/* roulang page: index */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        *, *::before, *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button, input, select, textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(138, 43, 226, .3);
        }

        .nav-toggle-mobile {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-text);
            padding: 4px 8px;
        }

        @media (max-width: 1024px) {
            .nav-main {
                gap: 2px;
            }
            .nav-main a {
                font-size: 13px;
                padding: 6px 7px;
            }
            .nav-search input {
                width: 80px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .site-header {
                height: 56px;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                box-shadow: 0 12px 28px rgba(12, 15, 26, .1);
                border-bottom: 2px solid var(--color-border);
                gap: 4px;
                overflow-y: auto;
                max-height: calc(100vh - 56px);
            }
            .nav-main.is-open {
                display: flex;
            }
            .nav-main a {
                width: 100%;
                padding: 10px 12px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: rgba(138, 43, 226, .08);
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
            .nav-toggle-mobile {
                display: block;
                margin-left: auto;
            }
        }

        /* Hero */
        .hero-section {
            background: var(--color-deep);
            position: relative;
            overflow: hidden;
            padding: 72px 0 80px;
            min-height: 560px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 15, 26, .88) 0%, rgba(12, 15, 26, .72) 45%, rgba(138, 43, 226, .35) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
            opacity: .55;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 255, .12);
            border: 1px solid rgba(0, 229, 255, .3);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            letter-spacing: .5px;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            color: #fff;
            margin: 0 0 20px;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-2));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .78);
            max-width: 680px;
            margin: 0 auto 32px;
        }

        .hero-search-wrapper {
            max-width: 560px;
            margin: 0 auto 28px;
            background: #fff;
            border-radius: 28px;
            padding: 8px 10px 8px 24px;
            display: flex;
            align-items: center;
            box-shadow: 0 8px 32px rgba(0, 0, 0, .3);
            border: 2px solid transparent;
            transition: border-color var(--transition);
        }

        .hero-search-wrapper:focus-within {
            border-color: var(--color-accent);
        }

        .hero-search-wrapper i {
            color: var(--color-text-light);
            font-size: 16px;
            margin-right: 10px;
        }

        .hero-search-wrapper input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 16px;
            color: var(--color-text);
            background: transparent;
        }

        .hero-search-wrapper button {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: 20px;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition);
        }

        .hero-search-wrapper button:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            transform: translateY(-1px);
        }

        .hero-quick-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-quick-tags a {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .2);
            color: rgba(255, 255, 255, .85);
            padding: 7px 16px;
            border-radius: var(--radius-pill);
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .hero-quick-tags a:hover {
            background: rgba(138, 43, 226, .3);
            border-color: var(--color-primary);
            color: #fff;
        }

        .hero-data-row {
            display: flex;
            justify-content: center;
            gap: 36px;
            flex-wrap: wrap;
        }

        .hero-data-item {
            text-align: center;
        }

        .hero-data-item .num {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.3;
        }

        .hero-data-item .label {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 48px 0 56px;
                min-height: auto;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-search-wrapper {
                flex-direction: column;
                gap: 8px;
                padding: 12px 16px;
                border-radius: 16px;
            }
            .hero-search-wrapper input {
                width: 100%;
                text-align: center;
            }
            .hero-search-wrapper button {
                width: 100%;
                border-radius: 12px;
            }
            .hero-data-row {
                gap: 18px;
            }
            .hero-data-item .num {
                font-size: 22px;
            }
        }

        /* Section general */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-block.alt-bg {
            background: #fff;
        }

        .section-block.dark-bg {
            background: var(--color-deep);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-deep);
            margin: 0 0 12px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            max-width: 640px;
            margin: 0 0 32px;
        }

        .dark-bg .section-title {
            color: #fff;
        }
        .dark-bg .section-desc {
            color: rgba(255, 255, 255, .7);
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-desc {
                font-size: 15px;
            }
        }

        /* Pain points */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 16px;
            margin-top: 12px;
        }

        .pain-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-left: 4px solid var(--color-primary);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .pain-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .pain-card .pain-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }

        .pain-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 6px;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Solution cards */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 12px;
        }

        .solution-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            position: relative;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent-2));
            opacity: 0;
            transition: opacity var(--transition);
        }

        .solution-card:hover::before {
            opacity: 1;
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .solution-card .sol-img {
            height: 140px;
            border-radius: 8px;
            background-size: cover;
            background-position: center;
            margin-bottom: 16px;
        }

        .solution-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 8px;
        }

        .solution-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Stats / KPI */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 12px;
        }

        .stat-card {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-card);
            transition: background var(--transition), border-color var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(0, 229, 255, .3);
        }

        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.2;
            letter-spacing: -0.5px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 6px;
            display: block;
        }

        .stat-card .stat-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stat-card .stat-num {
                font-size: 28px;
            }
        }

        /* Brand intro */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 32px;
            align-items: center;
        }

        .brand-intro-wrap .brand-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            height: 320px;
            background-size: cover;
            background-position: center;
        }

        .brand-intro-wrap .brand-text h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 12px;
        }

        .brand-intro-wrap .brand-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            margin: 0 0 12px;
        }

        @media (max-width: 768px) {
            .brand-intro-wrap {
                grid-template-columns: 1fr;
            }
            .brand-intro-wrap .brand-img {
                height: 200px;
            }
        }

        /* News section */
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            margin-top: 12px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            align-items: flex-start;
            transition: background var(--transition), padding-left var(--transition);
            border-radius: 6px;
        }

        .news-list-item:hover {
            padding-left: 8px;
            background: rgba(138, 43, 226, .03);
        }

        .news-list-item .news-meta {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex-shrink: 0;
            min-width: 80px;
        }

        .news-list-item .news-date {
            font-size: 12px;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .news-list-item .news-cat {
            font-size: 11px;
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(138, 43, 226, .08);
            padding: 2px 8px;
            border-radius: var(--radius-badge);
            display: inline-block;
        }

        .news-list-item .news-content h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            margin: 0 0 4px;
            line-height: 1.5;
        }

        .news-list-item .news-content p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .news-sidebar {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            height: fit-content;
        }

        .news-sidebar h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-border);
        }

        .news-sidebar .hot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .news-sidebar .hot-item:last-child {
            border-bottom: none;
        }

        .news-sidebar .hot-rank {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            width: 28px;
            flex-shrink: 0;
        }

        .news-sidebar .hot-item span {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-list-item {
                flex-direction: column;
                gap: 6px;
            }
            .news-list-item .news-meta {
                flex-direction: row;
                gap: 8px;
                align-items: center;
            }
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 16px;
            margin-top: 12px;
        }

        .testimonial-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .testimonial-card .quote-mark {
            font-size: 40px;
            color: var(--color-primary);
            opacity: .25;
            line-height: 1;
            position: absolute;
            top: 14px;
            right: 18px;
            font-family: serif;
        }

        .testimonial-card .testi-user {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .testimonial-card .testi-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testimonial-card .testi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep);
        }

        .testimonial-card .testi-role {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .testimonial-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* Partner tags */
        .partner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .partner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition);
        }

        .partner-tag:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(138, 43, 226, .04);
        }

        .partner-tag i {
            font-size: 13px;
            color: var(--color-accent-2);
        }

        .partner-tag .tag-desc {
            font-size: 12px;
            color: var(--color-text-light);
            margin-left: 4px;
        }

        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 10px;
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:focus-within {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 18px 20px;
            cursor: pointer;
            user-select: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            transition: color var(--transition);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-base);
        }

        .faq-item .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-item .faq-num {
            width: 28px;
            height: 28px;
            border-radius: 6px;
            background: rgba(138, 43, 226, .08);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .faq-item .faq-icon {
            margin-left: auto;
            font-size: 14px;
            color: var(--color-text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.9;
        }

        .faq-item.open .faq-answer {
            max-height: 600px;
            padding: 0 20px 18px 56px;
        }

        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-item.open {
            border-left: 3px solid var(--color-primary);
        }

        /* CTA section */
        .cta-section {
            background: var(--color-deep);
            position: relative;
            overflow: hidden;
            padding: 64px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: .2;
            z-index: 0;
        }

        .cta-section .container-site {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.35;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .7);
            max-width: 540px;
            margin: 0 auto 28px;
            line-height: 1.9;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-primary {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-cta-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, .35);
            color: #fff;
        }

        .btn-cta-secondary {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 500;
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }

        .btn-cta-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 229, 255, .06);
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 24px;
            }
        }

        /* Footer */
        .site-footer {
            background: #0A0C12;
            color: rgba(255, 255, 255, .55);
            padding: 48px 0 24px;
            font-size: 13px;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 28px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .5);
            margin: 0;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .5);
            font-size: 13px;
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent-2);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--color-accent-2);
        }

        @media (max-width: 768px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 6px;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Utility */
        .visually-hidden {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                transition: none !important;
                animation: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        a:hover {
            color: var(--color-primary);
        }
        button, input, select, textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }
        button {
            cursor: pointer;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }
        /* Header */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }
        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }
        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }
        .logo-brand:hover {
            color: var(--color-primary);
        }
        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-main::-webkit-scrollbar {
            display: none;
        }
        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }
        .nav-main a:hover {
            color: var(--color-primary);
        }
        .nav-main a.active {
            color: var(--color-primary);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }
        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }
        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }
        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }
        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }
        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(138, 43, 226, .3);
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--color-text);
            padding: 4px 8px;
            border-radius: 6px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: #F1F2F5;
        }
        @media (max-width: 1024px) {
            .nav-main {
                gap: 2px;
            }
            .nav-search input {
                width: 80px;
            }
        }
        @media (max-width: 820px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-card);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-hover);
                gap: 2px;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 10px 12px;
                border-radius: 8px;
                font-size: 15px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
        }
        /* Breadcrumb */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 10px 0;
        }
        .breadcrumb-bar .container-site {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-secondary);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }
        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 500;
        }
        .breadcrumb-bar i {
            font-size: 10px;
            color: #C5C9D4;
        }
        /* Hero */
        .hero-mini {
            background: var(--color-deep);
            background-image: linear-gradient(135deg, rgba(12, 15, 26, .92) 0%, rgba(20, 24, 38, .86) 45%, rgba(12, 15, 26, .94) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            padding: 48px 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-mini::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 380px;
            height: 100%;
            background: radial-gradient(circle at center, rgba(0, 229, 255, .12), transparent 65%);
            pointer-events: none;
        }
        .hero-mini .container-site {
            position: relative;
            z-index: 1;
        }
        .hero-mini-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 229, 255, .12);
            border: 1px solid rgba(0, 229, 255, .25);
            color: var(--color-accent);
            font-size: 13px;
            font-weight: 500;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            margin-bottom: 14px;
        }
        .hero-mini h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 10px;
            color: #fff;
        }
        .hero-mini p {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            max-width: 640px;
            margin: 0 0 20px;
            line-height: 1.75;
        }
        .hero-mini-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(138, 43, 226, .35);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: var(--radius-btn);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            transition: border-color var(--transition), background var(--transition), transform var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-outline-light:hover {
            border-color: var(--color-accent);
            background: rgba(0, 229, 255, .08);
            color: var(--color-accent);
            transform: translateY(-2px);
        }
        /* Section */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-deep {
            background: var(--color-deep);
            color: #fff;
        }
        .section-head {
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 8px;
            color: var(--color-deep);
        }
        .section-alt .section-head h2,
        .section-deep .section-head h2 {
            color: inherit;
        }
        .section-head p {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 680px;
            line-height: 1.75;
        }
        .section-deep .section-head p {
            color: rgba(255, 255, 255, .72);
        }
        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .hero-mini h1 {
                font-size: 26px;
            }
        }
        /* Stats */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 12px;
        }
        .stat-card .stat-icon.purple {
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
        }
        .stat-card .stat-icon.cyan {
            background: rgba(0, 229, 255, .1);
            color: var(--color-accent);
        }
        .stat-card .stat-icon.green {
            background: rgba(45, 226, 192, .1);
            color: var(--color-accent-2);
        }
        .stat-card .stat-icon.orange {
            background: rgba(255, 165, 0, .1);
            color: #FF9500;
        }
        .stat-number {
            font-size: 30px;
            font-weight: 700;
            color: var(--color-deep);
            line-height: 1.2;
            letter-spacing: -0.5px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 2px;
        }
        .stat-trend {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            margin-top: 8px;
        }
        .stat-trend.up {
            background: rgba(45, 226, 192, .12);
            color: #1FB293;
        }
        .stat-trend.down {
            background: rgba(255, 100, 100, .1);
            color: #E55454;
        }
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 26px;
            }
        }
        /* Ranking Cards */
        .rank-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .rank-card-group {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .rank-card-group-header {
            padding: 18px 20px 14px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .rank-card-group-header h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0;
            color: var(--color-deep);
        }
        .rank-card-group-header .badge-live {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent-2);
            background: rgba(45, 226, 192, .1);
            padding: 3px 10px;
            border-radius: 10px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 14px 20px;
            border-bottom: 1px solid #F0F1F5;
            transition: background var(--transition);
            position: relative;
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            background: #FAFAFD;
        }
        .rank-item.top-1 {
            background: linear-gradient(90deg, rgba(255, 215, 0, .07), rgba(255, 255, 255, .5));
            border-left: 4px solid #FFC700;
        }
        .rank-item.top-2 {
            background: linear-gradient(90deg, rgba(192, 192, 192, .08), rgba(255, 255, 255, .4));
            border-left: 4px solid #C0C0C0;
        }
        .rank-item.top-3 {
            background: linear-gradient(90deg, rgba(205, 127, 50, .08), rgba(255, 255, 255, .4));
            border-left: 4px solid #CD7F32;
        }
        .rank-number {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 15px;
            flex-shrink: 0;
            background: #F1F2F5;
            color: var(--color-text-secondary);
        }
        .rank-item.top-1 .rank-number {
            background: #FFC700;
            color: #fff;
        }
        .rank-item.top-2 .rank-number {
            background: #C0C0C0;
            color: #fff;
        }
        .rank-item.top-3 .rank-number {
            background: #CD7F32;
            color: #fff;
        }
        .rank-avatar {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: #E8EAF0;
        }
        .rank-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rank-info {
            flex: 1;
            min-width: 0;
        }
        .rank-info .rank-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            margin: 0;
        }
        .rank-info .rank-sub {
            font-size: 12px;
            color: var(--color-text-light);
            margin: 0;
        }
        .rank-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            text-align: right;
        }
        .rank-value.small {
            font-size: 15px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .rank-trend-badge {
            font-size: 11px;
            padding: 2px 7px;
            border-radius: 8px;
            font-weight: 600;
            margin-left: 6px;
        }
        .rank-trend-badge.rise {
            background: rgba(45, 226, 192, .12);
            color: #1FB293;
        }
        .rank-trend-badge.fall {
            background: rgba(255, 100, 100, .1);
            color: #E55454;
        }
        .rank-trend-badge.stable {
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
        }
        @media (max-width: 1024px) {
            .rank-layout {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 640px) {
            .rank-item {
                padding: 12px 14px;
                gap: 10px;
                flex-wrap: wrap;
            }
            .rank-value {
                font-size: 15px;
            }
            .rank-avatar {
                width: 36px;
                height: 36px;
            }
        }
        /* Hero Stats Card */
        .hero-stat-strip {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: #fff;
        }
        .hero-stat-item i {
            color: var(--color-accent);
            font-size: 16px;
        }
        .hero-stat-item strong {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
        }
        /* Trend Section */
        .trend-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .trend-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
        }
        .trend-panel h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .trend-panel h3 i {
            color: var(--color-primary);
            font-size: 14px;
        }
        .trend-bar-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .trend-bar-label {
            width: 60px;
            flex-shrink: 0;
            font-weight: 500;
            color: var(--color-text);
        }
        .trend-bar-track {
            flex: 1;
            background: #F1F2F5;
            border-radius: 6px;
            height: 10px;
            overflow: hidden;
        }
        .trend-bar-fill {
            height: 100%;
            border-radius: 6px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent-2));
            transition: width .6s ease;
        }
        .trend-bar-value {
            width: 40px;
            flex-shrink: 0;
            text-align: right;
            font-weight: 600;
            color: var(--color-primary);
        }
        @media (max-width: 1024px) {
            .trend-grid {
                grid-template-columns: 1fr;
            }
        }
        /* FAQ */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition), border-color var(--transition);
        }
        .faq-item.active {
            border-left: 4px solid var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-text-light);
            transition: transform var(--transition), color var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 20px 16px;
        }
        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--color-deep), #1E1430, #0C0F1A);
            border-radius: 16px;
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            border: 1px solid rgba(0, 229, 255, .12);
            box-shadow: 0 16px 40px rgba(12, 15, 26, .3);
        }
        .cta-box h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 4px;
            line-height: 1.4;
        }
        .cta-box p {
            color: rgba(255, 255, 255, .72);
            margin: 0;
            font-size: 14px;
        }
        .cta-box .btn-primary {
            flex-shrink: 0;
        }
        @media (max-width: 640px) {
            .cta-box {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
            }
        }
        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, .72);
            padding: 48px 0 20px;
            font-size: 14px;
        }
        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand h3 {
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 8px;
        }
        .footer-brand p {
            font-size: 13px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .55);
            max-width: 300px;
            margin: 0;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 12px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, .55);
            font-size: 13px;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 16px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
            align-items: center;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 1024px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 640px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 32px 0 16px;
            }
        }
        /* Responsive sticky header adjust */
        @media (max-width: 820px) {
            .site-header {
                height: 56px;
            }
        }

/* roulang page: category1 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button, input, select, textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(138, 43, 226, .35);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-text);
            flex-shrink: 0;
        }

        @media (max-width: 1023px) {
            .nav-search {
                display: none;
            }
            .nav-main {
                gap: 2px;
            }
            .nav-main a {
                padding: 6px 8px;
                font-size: 13px;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                height: 56px;
                padding: 0 8px;
            }
            .site-header .container-site {
                gap: 8px;
                padding: 0 8px;
            }
            .logo-brand {
                font-size: 15px;
            }
            .logo-brand .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 12px;
            }
            .nav-main a {
                font-size: 12px;
                padding: 4px 6px;
            }
        }

        /* Hero banner (category page small banner) */
        .hero-banner {
            background: linear-gradient(rgba(12, 15, 26, .72), rgba(12, 15, 26, .82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            color: #fff;
            padding: 56px 0 48px;
            min-height: 260px;
            display: flex;
            align-items: center;
            position: relative;
        }

        .hero-banner .container-site {
            width: 100%;
        }

        .breadcrumb {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb .sep {
            color: rgba(255, 255, 255, .35);
        }

        .hero-banner h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.35;
            margin: 0 0 12px;
            color: #fff;
            letter-spacing: .5px;
        }

        .hero-banner .hero-sub {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            max-width: 620px;
            margin: 0 0 20px;
            line-height: 1.7;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-hero {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-primary-hero:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, .4);
        }

        .btn-outline-hero {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: var(--radius-pill);
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: border-color var(--transition), color var(--transition), background var(--transition);
        }

        .btn-outline-hero:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 229, 255, .08);
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 36px 0 32px;
                min-height: 200px;
            }
            .hero-banner h1 {
                font-size: 24px;
            }
            .hero-banner .hero-sub {
                font-size: 14px;
            }
        }

        @media (max-width: 520px) {
            .hero-banner h1 {
                font-size: 20px;
            }
            .btn-primary-hero, .btn-outline-hero {
                font-size: 13px;
                padding: 8px 16px;
            }
        }

        /* Main content area */
        .news-main-section {
            padding: 48px 0;
            background: var(--color-bg);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 32px;
            align-items: start;
        }

        @media (max-width: 1023px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* News list */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: grid;
            grid-template-columns: 240px 1fr;
            gap: 20px;
        }

        .news-item-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .news-card-img {
            width: 100%;
            height: 100%;
            min-height: 160px;
            overflow: hidden;
            background-color: #E8EAF0;
        }

        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .3s ease;
        }

        .news-item-card:hover .news-card-img img {
            transform: scale(1.04);
        }

        .news-card-body {
            padding: 18px 20px 16px 0;
            display: flex;
            flex-direction: column;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
            white-space: nowrap;
        }

        .badge-tag.hot {
            background: rgba(255, 107, 53, .12);
            color: #FF6B35;
        }

        .badge-tag.cyan {
            background: rgba(0, 229, 255, .12);
            color: #00A8C5;
        }

        .news-date {
            font-size: 13px;
            color: var(--color-text-light);
        }

        .news-card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .news-card-title a {
            color: inherit;
        }

        .news-card-title a:hover {
            color: var(--color-primary);
        }

        .news-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0 0 12px;
            flex: 1;
        }

        .news-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            color: var(--color-primary-hover);
        }

        .news-stats {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-light);
        }

        .news-stats i {
            margin-right: 3px;
        }

        @media (max-width: 768px) {
            .news-item-card {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .news-card-img {
                height: 180px;
                min-height: 180px;
            }
            .news-card-body {
                padding: 16px 18px 18px;
            }
            .news-card-title {
                font-size: 16px;
            }
        }

        /* Sidebar */
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 80px;
        }

        @media (max-width: 1023px) {
            .news-sidebar {
                position: static;
                top: auto;
            }
        }

        .sidebar-widget {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
        }

        .sidebar-widget h3 {
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--color-text);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--color-primary);
            display: inline-block;
        }

        .sidebar-widget .widget-head {
            margin-bottom: 14px;
        }

        .filter-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .filter-check {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 6px 8px;
            border-radius: 6px;
            cursor: pointer;
            transition: background var(--transition);
        }

        .filter-check:hover {
            background: #F5F6F8;
        }

        .filter-check input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--color-primary);
            cursor: pointer;
        }

        .hot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hot-item {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--color-border);
        }

        .hot-item:last-child {
            padding-bottom: 0;
            border-bottom: none;
        }

        .hot-rank {
            width: 24px;
            height: 24px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            border-radius: 6px;
            background: #C4C9D4;
        }

        .hot-rank.top1 {
            background: linear-gradient(135deg, #FF6B35, #FF9F1C);
        }

        .hot-rank.top2 {
            background: linear-gradient(135deg, var(--color-primary), #B86BF7);
        }

        .hot-rank.top3 {
            background: linear-gradient(135deg, var(--color-accent-2), #00C9A7);
        }

        .hot-info {
            flex: 1;
            min-width: 0;
        }

        .hot-title {
            font-size: 13px;
            font-weight: 600;
            line-height: 1.5;
            color: var(--color-text);
            margin: 0 0 4px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .hot-title a:hover {
            color: var(--color-primary);
        }

        .hot-meta {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            font-size: 12px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 5px 12px;
            border-radius: var(--radius-pill);
            background: #F5F6F8;
            border: 1px solid var(--color-border);
            transition: all var(--transition);
        }

        .tag-cloud a:hover {
            background: rgba(138, 43, 226, .08);
            color: var(--color-primary);
            border-color: rgba(138, 43, 226, .3);
        }

        /* Stats highlight */
        .stats-highlight {
            padding: 48px 0;
            background: var(--color-deep);
            color: #fff;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-block {
            text-align: center;
            padding: 20px 12px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-accent-2);
            margin-bottom: 6px;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-number {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* Brand intro */
        .brand-intro-section {
            padding: 48px 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .brand-intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .brand-intro-text h2 {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 14px;
            color: var(--color-text);
        }

        .brand-intro-text p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin: 0 0 12px;
        }

        .brand-intro-img {
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
        }

        .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .brand-intro-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .brand-intro-text h2 {
                font-size: 20px;
            }
        }

        /* Why section */
        .why-section {
            padding: 48px 0;
            background: var(--color-bg);
        }

        .why-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .why-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
            transition: box-shadow var(--transition), transform var(--transition);
            border-left: 4px solid var(--color-primary);
        }

        .why-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .why-card i {
            font-size: 28px;
            color: var(--color-primary);
            margin-bottom: 12px;
            display: block;
        }

        .why-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }

        .why-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        @media (max-width: 1023px) {
            .why-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .why-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-section {
            padding: 48px 0;
            background: var(--color-card);
            border-top: 1px solid var(--color-border);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            line-height: 1.4;
            margin: 0 0 24px;
            color: var(--color-text);
            text-align: center;
        }

        .section-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 32px;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition);
        }

        .faq-item.open {
            border-left: 4px solid var(--color-primary);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: none;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            font-size: 13px;
            transition: transform var(--transition), background var(--transition);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(138, 43, 226, .1);
            border-color: rgba(138, 43, 226, .3);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease;
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* CTA */
        .cta-section {
            padding: 56px 0;
            background: var(--color-deep);
            color: #fff;
            text-align: center;
        }

        .cta-box {
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            line-height: 1.4;
        }

        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            margin: 0 0 24px;
            line-height: 1.7;
        }

        .cta-btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 640px) {
            .cta-box h2 {
                font-size: 22px;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, .6);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }

        .site-footer a {
            color: rgba(255, 255, 255, .6);
        }

        .site-footer a:hover {
            color: var(--color-accent);
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col a {
            font-size: 13px;
            transition: color var(--transition);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 8px 16px;
            font-size: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, .08);
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
            font-size: 12px;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 900px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 560px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* Utility buttons */
        .btn-secondary-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            color: var(--color-primary);
            border: 1px solid rgba(138, 43, 226, .3);
            border-radius: var(--radius-btn);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            transition: all var(--transition);
        }

        .btn-secondary-card:hover {
            background: rgba(138, 43, 226, .08);
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .btn-ghost-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #F5F6F8;
            color: var(--color-text-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .btn-ghost-card:hover {
            border-color: var(--color-border-strong);
            color: var(--color-text);
        }

        .btn-accent {
            background: var(--color-accent-2);
            color: var(--color-deep);
            border: none;
            border-radius: var(--radius-pill);
            padding: 10px 24px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-accent:hover {
            background: #26C9A8;
            color: var(--color-deep);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(45, 226, 192, .3);
        }

/* roulang page: category3 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
            flex-wrap: nowrap;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(138, 43, 226, .35);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--color-text);
            padding: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 780px) {
            .nav-toggle {
                display: block;
            }
            .nav-main {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-card);
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(12, 15, 26, .12);
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 16px;
                max-height: 70vh;
                overflow-y: auto;
                z-index: 99;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                width: 100%;
                padding: 10px 12px;
                font-size: 15px;
                border-radius: 8px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: rgba(138, 43, 226, .08);
            }
        }

        /* ========== Hero Banner ========== */
        .page-hero {
            position: relative;
            min-height: 300px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--color-deep);
        }

        .page-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center 35%;
            opacity: .55;
        }

        .page-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 15, 26, .72) 0%, rgba(12, 15, 26, .88) 100%);
        }

        .page-hero .container-site {
            position: relative;
            z-index: 2;
            padding-top: 48px;
            padding-bottom: 48px;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-light);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--color-accent);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb span {
            color: var(--color-text-light);
        }

        .page-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.35;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 1px;
        }

        .page-hero .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .82);
            margin: 0 0 20px;
            max-width: 640px;
            line-height: 1.7;
        }

        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .22);
            border-radius: var(--radius-pill);
            color: #fff;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 12px;
        }

        @media (max-width: 640px) {
            .page-hero {
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-sub {
                font-size: 15px;
            }
            .hero-badge {
                padding: 5px 12px;
                font-size: 12px;
            }
        }

        /* ========== Section Common ========== */
        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-block.alt-bg {
            background: var(--color-deep);
        }

        .section-block.light-bg {
            background: #F0F1F5;
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-deep);
            margin: 0 0 10px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0;
            max-width: 680px;
            line-height: 1.8;
        }

        .section-header.centered {
            text-align: center;
        }

        .section-header.centered p {
            margin-left: auto;
            margin-right: auto;
        }

        .section-header.on-dark h2 {
            color: #fff;
        }

        .section-header.on-dark p {
            color: rgba(255, 255, 255, .72);
        }

        @media (max-width: 780px) {
            .section-block {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 22px;
            }
            .section-header {
                margin-bottom: 24px;
            }
        }

        /* ========== Focus Match Cards ========== */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .focus-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .focus-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .focus-card-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
            flex-shrink: 0;
        }

        .focus-card-img .focus-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            letter-spacing: .5px;
        }

        .focus-card-img .focus-live {
            position: absolute;
            top: 12px;
            right: 12px;
            background: #E53935;
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-badge);
            animation: pulse-live 1.8s infinite;
        }

        @keyframes pulse-live {
            0%, 100% { opacity: 1; }
            50% { opacity: .55; }
        }

        .focus-card-body {
            padding: 20px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .focus-card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 10px;
            line-height: 1.45;
        }

        .focus-card-body .match-info {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        .match-info-item {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            font-size: 13px;
            color: var(--color-text-secondary);
            background: #F5F6F8;
            border-radius: 6px;
            padding: 5px 10px;
        }

        .match-info-item i {
            color: var(--color-primary);
            font-size: 12px;
        }

        .focus-card-body .match-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .focus-card-body .btn-line {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 8px 0;
            transition: color var(--transition), gap var(--transition);
        }

        .focus-card-body .btn-line:hover {
            color: var(--color-primary-hover);
            gap: 10px;
        }

        @media (max-width: 900px) {
            .focus-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .focus-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .focus-card-img {
                height: 140px;
            }
            .focus-card-body {
                padding: 16px 18px 20px;
            }
            .focus-card-body h3 {
                font-size: 17px;
            }
        }

        /* ========== Schedule Timeline ========== */
        .timeline-wrap {
            display: grid;
            grid-template-columns: 120px 1fr;
            gap: 28px;
            max-width: 860px;
            margin: 0 auto;
        }

        .timeline-days {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .timeline-day-btn {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: 10px;
            padding: 12px 16px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
        }

        .timeline-day-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .timeline-day-btn.active {
            border-color: var(--color-primary);
            background: rgba(138, 43, 226, .06);
            color: var(--color-primary);
        }

        .timeline-day-btn.active::after {
            content: '';
            position: absolute;
            right: -10px;
            top: 50%;
            transform: translateY(-50%);
            border-top: 8px solid transparent;
            border-bottom: 8px solid transparent;
            border-left: 10px solid var(--color-primary);
        }

        .timeline-events {
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
            padding-left: 22px;
        }

        .timeline-events::before {
            content: '';
            position: absolute;
            left: 6px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: var(--color-border-strong);
            border-radius: 2px;
        }

        .timeline-events .event-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition), border-color var(--transition);
            position: relative;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            flex-wrap: wrap;
        }

        .timeline-events .event-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 22px;
            width: 10px;
            height: 10px;
            background: var(--color-primary);
            border-radius: 50%;
            border: 2px solid #fff;
            box-shadow: 0 0 0 2px var(--color-primary);
        }

        .timeline-events .event-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
            border-color: var(--color-primary);
        }

        .event-time {
            flex-shrink: 0;
            min-width: 110px;
        }

        .event-time .date {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-deep);
        }

        .event-time .time {
            font-size: 13px;
            color: var(--color-text-light);
        }

        .event-content {
            flex: 1;
            min-width: 0;
        }

        .event-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-deep);
            margin: 0 0 6px;
            line-height: 1.5;
        }

        .event-content p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0 0 8px;
            line-height: 1.65;
        }

        .event-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .event-meta .tag {
            font-size: 12px;
            font-weight: 500;
            padding: 3px 9px;
            border-radius: var(--radius-badge);
            background: #F0F1F5;
            color: var(--color-text-secondary);
        }

        .event-meta .tag.bo {
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
        }

        .event-meta .tag.live {
            background: rgba(229, 57, 53, .1);
            color: #E53935;
        }

        @media (max-width: 780px) {
            .timeline-wrap {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .timeline-days {
                flex-direction: row;
                overflow-x: auto;
                scrollbar-width: none;
                -ms-overflow-style: none;
            }
            .timeline-days::-webkit-scrollbar {
                display: none;
            }
            .timeline-day-btn {
                flex-shrink: 0;
                min-width: 80px;
                padding: 10px 14px;
            }
            .timeline-day-btn.active::after {
                display: none;
            }
            .timeline-events {
                padding-left: 18px;
            }
            .timeline-events .event-item::before {
                left: -18px;
            }
            .timeline-events .event-item {
                padding: 14px 16px;
            }
            .event-time {
                min-width: 90px;
            }
        }

        /* ========== Steps ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .step-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .step-num {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin: 0 auto 12px;
        }

        .step-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 900px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .step-card {
                padding: 18px 16px;
            }
        }

        /* ========== Stats ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 12px 8px;
        }

        .stat-item .stat-num {
            font-size: 38px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
            letter-spacing: 1px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-top: 6px;
        }

        @media (max-width: 780px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-num {
                font-size: 30px;
            }
        }

        /* ========== CTA Block ========== */
        .cta-panel {
            background: linear-gradient(135deg, var(--color-deep) 0%, #1A1F33 100%);
            border-radius: 16px;
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr auto;
            align-items: center;
            gap: 32px;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .cta-panel::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(138, 43, 226, .35) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-panel h2 {
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .cta-panel p {
            font-size: 15px;
            color: rgba(255, 255, 255, .78);
            margin: 0;
            line-height: 1.7;
        }

        .cta-panel .cta-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn-primary-lg {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-primary-lg:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(138, 43, 226, .4);
        }

        .btn-ghost-lg {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: var(--radius-btn);
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 600;
            white-space: nowrap;
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

        .btn-ghost-lg:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(0, 229, 255, .06);
        }

        @media (max-width: 780px) {
            .cta-panel {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 20px;
            }
            .cta-panel h2 {
                font-size: 22px;
            }
            .btn-primary-lg,
            .btn-ghost-lg {
                padding: 12px 20px;
                font-size: 14px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-item.open {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-deep);
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            font-family: var(--font-base);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: rgba(138, 43, 226, .08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
            transition: transform var(--transition);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(90deg);
        }

        .faq-answer {
            padding: 0 22px 18px 64px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
                gap: 10px;
            }
            .faq-answer {
                padding: 0 16px 14px 42px;
                font-size: 13px;
            }
            .faq-question .faq-icon {
                width: 24px;
                height: 24px;
                font-size: 11px;
            }
        }

        /* ========== Testimonials ========== */
        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testi-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .testi-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .testi-quote {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0 0 16px;
            flex: 1;
            position: relative;
            padding-left: 14px;
        }

        .testi-quote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -10px;
            font-size: 42px;
            color: var(--color-primary);
            opacity: .35;
            line-height: 1;
        }

        .testi-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testi-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #3A3D4D, #1B1E28);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
        }

        .testi-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep);
        }

        .testi-role {
            font-size: 12px;
            color: var(--color-text-light);
        }

        @media (max-width: 900px) {
            .testi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 560px) {
            .testi-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .testi-card {
                padding: 18px 16px;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep);
            padding: 48px 0 24px;
            color: rgba(255, 255, 255, .78);
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            letter-spacing: 1px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, .62);
            line-height: 1.75;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: .5px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, .62);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            font-size: 12px;
            color: rgba(255, 255, 255, .48);
            justify-content: space-between;
            align-items: center;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .6);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 900px) {
            .footer-columns {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 560px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer {
                padding: 36px 0 20px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

/* roulang page: category4 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button, input, select, textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible, a:focus-visible, input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* ========== Header / Navigation ========== */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
            font-weight: 600;
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
            display: inline-block;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(138, 43, 226, .3);
        }

        .nav-hamburger {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-deep);
            padding: 6px 8px;
            border-radius: 6px;
            flex-shrink: 0;
            line-height: 1;
        }

        .nav-hamburger:hover {
            background: var(--color-bg);
        }

        @media (max-width: 1023px) {
            .nav-main {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-card);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 20px rgba(12, 15, 26, .08);
                overflow-x: visible;
            }
            .nav-main.open {
                display: flex;
            }
            .nav-main a {
                padding: 10px 12px;
                border-radius: 8px;
            }
            .nav-main a.active::after {
                display: none;
            }
            .nav-main a.active {
                background: rgba(138, 43, 226, .06);
            }
            .nav-hamburger {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                height: 56px;
            }
            .nav-main {
                top: 56px;
            }
            .logo-brand {
                font-size: 15px;
            }
            .logo-brand .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 14px;
            }
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-bar {
            background: #fff;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .breadcrumb-bar .container-site {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-text-secondary);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-bar span {
            color: var(--color-text);
            font-weight: 500;
        }

        .breadcrumb-bar i {
            font-size: 11px;
            color: var(--color-text-light);
        }

        /* ========== Page Hero ========== */
        .page-hero {
            background: var(--color-deep);
            background-image: linear-gradient(135deg, rgba(12, 15, 26, .82) 0%, rgba(20, 24, 38, .94) 100%), url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            padding: 56px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: linear-gradient(270deg, rgba(138, 43, 226, .18), transparent);
            pointer-events: none;
        }

        .page-hero .container-site {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            font-size: 32px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            line-height: 1.35;
        }

        .page-hero h1 .highlight {
            color: var(--color-accent);
        }

        .page-hero p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            max-width: 680px;
            margin: 0 0 20px;
            line-height: 1.8;
        }

        .page-hero-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }

        .page-hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: rgba(255, 255, 255, .7);
            font-size: 13px;
        }

        .page-hero-meta i {
            color: var(--color-accent);
        }

        @media (max-width: 640px) {
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 24px;
            }
            .page-hero p {
                font-size: 14px;
            }
        }

        /* ========== Section Common ========== */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: #fff;
        }

        .section-deep {
            background: var(--color-deep);
            background-image: linear-gradient(160deg, var(--color-deep) 0%, var(--color-deep-2) 100%);
        }

        .section-title {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 10px;
            line-height: 1.35;
        }

        .section-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0 0 32px;
            max-width: 700px;
            line-height: 1.8;
        }

        .section .section-title-wrap {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .section-title-wrap .view-all {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 500;
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .section-title-wrap .view-all:hover {
            color: var(--color-primary-hover);
        }

        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 22px;
            }
            .section-sub {
                font-size: 14px;
                margin-bottom: 24px;
            }
        }

        /* ========== Team Cards ========== */
        .team-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .team-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .team-card-top {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .team-card-logo {
            width: 56px;
            height: 56px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--color-deep), var(--color-deep-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 24px;
            flex-shrink: 0;
        }

        .team-card-logo.tl-purple {
            background: linear-gradient(135deg, #8A2BE2, #A855F7);
        }

        .team-card-logo.tl-red {
            background: linear-gradient(135deg, #E53935, #FF7043);
        }

        .team-card-logo.tl-blue {
            background: linear-gradient(135deg, #1E88E5, #00E5FF);
        }

        .team-card-logo.tl-green {
            background: linear-gradient(135deg, #2DE2C0, #66BB6A);
        }

        .team-card-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 2px;
        }

        .team-card-tag {
            font-size: 12px;
            color: var(--color-primary);
            background: rgba(138, 43, 226, .08);
            padding: 2px 10px;
            border-radius: var(--radius-badge);
            display: inline-block;
            font-weight: 500;
        }

        .team-card-stats {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 12px;
            padding: 14px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        .team-card-stat {
            text-align: center;
        }

        .team-card-stat .stat-value {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-deep);
            display: block;
        }

        .team-card-stat .stat-value.highlight {
            color: var(--color-primary);
        }

        .team-card-stat .stat-label {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .team-card-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .team-card-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .btn-outline-sm {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 6px 14px;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }

        .btn-outline-sm:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        @media (max-width: 768px) {
            .team-grid {
                grid-template-columns: 1fr;
            }
            .team-card {
                padding: 18px;
            }
            .team-card-name {
                font-size: 16px;
            }
        }

        /* ========== Stats Strip ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-block {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-card);
            padding: 22px;
            text-align: center;
            transition: background var(--transition), border-color var(--transition);
        }

        .stat-block:hover {
            background: rgba(255, 255, 255, .09);
            border-color: rgba(255, 255, 255, .18);
        }

        .stat-block .stat-number {
            font-size: 34px;
            font-weight: 700;
            color: var(--color-accent);
            display: block;
            line-height: 1.3;
        }

        .stat-block .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
            margin-top: 6px;
        }

        .stat-block .stat-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .stats-strip {
                grid-template-columns: 1fr;
            }
        }

        /* ========== Player Cards ========== */
        .player-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .player-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .player-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .player-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .player-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .player-card:hover .player-card-img img {
            transform: scale(1.05);
        }

        .player-card-img::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(12, 15, 26, .8), transparent);
            pointer-events: none;
        }

        .player-card-position {
            position: absolute;
            bottom: 10px;
            left: 14px;
            z-index: 3;
            font-size: 12px;
            font-weight: 600;
            color: #fff;
            background: var(--color-primary);
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }

        .player-card-body {
            padding: 16px 18px 20px;
        }

        .player-card-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 2px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .player-card-team {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin-bottom: 12px;
        }

        .player-card-stats {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

        .player-card-stats .mini-stat {
            text-align: center;
        }

        .player-card-stats .mini-stat .val {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
        }

        .player-card-stats .mini-stat .lbl {
            font-size: 11px;
            color: var(--color-text-light);
        }

        @media (max-width: 1024px) {
            .player-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .player-grid {
                grid-template-columns: 1fr;
            }
            .player-card-img {
                height: 200px;
            }
        }

        /* ========== Detail Sidebar Layout ========== */
        .detail-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 24px;
            align-items: start;
        }

        .detail-main {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .detail-sidebar {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: sticky;
            top: 84px;
        }

        @media (max-width: 1024px) {
            .detail-layout {
                grid-template-columns: 1fr;
            }
            .detail-sidebar {
                position: static;
            }
        }

        /* ========== Sidebar Cards ========== */
        .sidebar-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 14px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .sidebar-card h3 i {
            color: var(--color-primary);
            font-size: 14px;
        }

        .rank-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .rank-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
        }

        .rank-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .rank-num {
            width: 26px;
            height: 26px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .rank-num.top-1 {
            background: linear-gradient(135deg, #FFD700, #FFA000);
            color: #fff;
        }

        .rank-num.top-2 {
            background: linear-gradient(135deg, #B0BEC5, #78909C);
            color: #fff;
        }

        .rank-num.top-3 {
            background: linear-gradient(135deg, #D2691E, #A0522D);
            color: #fff;
        }

        .rank-num.normal {
            background: var(--color-bg);
            color: var(--color-text-secondary);
        }

        .rank-info {
            flex: 1;
            min-width: 0;
        }

        .rank-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-team {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .rank-val {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            white-space: nowrap;
        }

        .recent-form {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .recent-form .form-dot {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }

        .form-dot.win {
            background: rgba(45, 226, 192, .14);
            color: #1BA88F;
        }

        .form-dot.loss {
            background: rgba(229, 57, 53, .12);
            color: #E53935;
        }

        /* ========== Performance Table ========== */
        .perf-panel {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
        }

        .perf-panel h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .perf-panel h3 i {
            color: var(--color-primary);
        }

        .perf-row {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--color-border);
            flex-wrap: wrap;
        }

        .perf-row:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .perf-player {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 140px;
        }

        .perf-player .avatar-dot {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .perf-player .pname {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep);
        }

        .perf-player .pteam {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .perf-metrics {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .perf-metrics .metric {
            text-align: center;
        }

        .perf-metrics .metric .mv {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
            display: block;
        }

        .perf-metrics .metric .ml {
            font-size: 11px;
            color: var(--color-text-light);
        }

        @media (max-width: 640px) {
            .perf-panel {
                padding: 16px;
            }
            .perf-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .perf-metrics {
                width: 100%;
                justify-content: space-between;
            }
        }

        /* ========== Testimonials ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }

        .testimonial-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 48px;
            font-weight: 700;
            color: var(--color-primary);
            opacity: .15;
            position: absolute;
            top: 8px;
            right: 16px;
            line-height: 1;
            font-family: Georgia, serif;
        }

        .testimonial-card .quote-text {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 14px;
        }

        .testimonial-card .quote-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .quote-author .qa-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-avatar-bg, #2DE2C0), var(--color-avatar-bg2, #8A2BE2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .testimonial-card .qa-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-deep);
            display: block;
        }

        .testimonial-card .qa-role {
            font-size: 12px;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-left: 3px solid var(--color-primary);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 20px;
            cursor: pointer;
            background: none;
            border: none;
            text-align: left;
            width: 100%;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            transition: color var(--transition);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 6px;
            background: rgba(138, 43, 226, .08);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .faq-question .fa-chevron-down {
            margin-left: auto;
            font-size: 13px;
            color: var(--color-text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            display: none;
            padding: 0 20px 16px 58px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px 54px;
                font-size: 13px;
            }
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 24px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, .82);
            font-size: 15px;
            margin: 0;
        }

        .btn-cta-white {
            background: #fff;
            color: var(--color-primary);
            border: none;
            border-radius: var(--radius-btn);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            white-space: nowrap;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-white:hover {
            background: #f0e6ff;
            color: var(--color-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, .2);
        }

        @media (max-width: 640px) {
            .cta-section {
                padding: 36px 0;
            }
            .cta-section h2 {
                font-size: 20px;
            }
            .cta-section p {
                font-size: 14px;
            }
            .cta-section .container-site {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--color-deep);
            padding: 56px 0 28px;
            color: rgba(255, 255, 255, .72);
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand h3 .logo-icon {
            width: 28px;
            height: 28px;
            border-radius: 7px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            padding: 5px 0;
            transition: color var(--transition), transform var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent);
            transform: translateX(2px);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 13px;
            color: rgba(255, 255, 255, .48);
        }

        .footer-bottom span {
            white-space: nowrap;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .48);
            font-size: 13px;
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category5 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
            --color-green: #2DCE89;
            --color-blue: #3B82F6;
            --color-orange: #F59E0B;
            --color-red: #EF4444;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition), box-shadow var(--transition), transform var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(138, 43, 226, .35);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-text);
            padding: 4px 8px;
            border-radius: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }

            .nav-main {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--color-card);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 8px 24px rgba(12, 15, 26, .1);
                max-height: 70vh;
                overflow-y: auto;
            }

            .nav-main.is-open {
                display: flex;
            }

            .nav-main a {
                padding: 10px 12px;
                font-size: 15px;
                border-radius: 8px;
            }

            .nav-main a.active::after {
                display: none;
            }

            .nav-main a.active {
                background: rgba(138, 43, 226, .08);
            }

            .nav-search {
                display: none;
            }

            .btn-nav-cta {
                display: none;
            }

            .site-header .container-site {
                gap: 10px;
                position: relative;
            }

            .site-header {
                position: relative;
            }

            .nav-toggle {
                margin-left: auto;
            }
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: #F0F1F4;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .breadcrumb-bar .container-site {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-primary);
        }

        .breadcrumb-bar .sep {
            color: var(--color-text-light);
            font-size: 11px;
        }

        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Hero - Creator style */
        .hero-guide {
            background: linear-gradient(160deg, #0C0F1A 0%, #1A0F2E 40%, #0C0F1A 100%);
            padding: 60px 0 70px;
            position: relative;
            overflow: hidden;
        }

        .hero-guide::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(138, 43, 226, .25) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-guide::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(0, 229, 255, .12) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-guide .container-site {
            position: relative;
            z-index: 2;
        }

        .hero-creator-top {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-avatar-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), #6C1FD0);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 30px;
            color: #fff;
            border: 3px solid rgba(255, 255, 255, .2);
            flex-shrink: 0;
            box-shadow: 0 8px 30px rgba(138, 43, 226, .4);
        }

        .hero-creator-info h2 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            letter-spacing: 1px;
        }

        .hero-creator-info p {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            margin: 0;
        }

        .hero-badges {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-left: auto;
        }

        .hero-badge {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .15);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
            display: flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .hero-badge i {
            color: var(--color-accent);
        }

        .hero-badge strong {
            color: #fff;
            font-weight: 700;
        }

        .hero-guide h1 {
            font-size: 40px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 2px;
            line-height: 1.35;
        }

        .hero-guide .hero-sub {
            font-size: 17px;
            color: rgba(255, 255, 255, .75);
            max-width: 650px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-guide-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(138, 43, 226, .4);
        }

        .btn-hero-secondary {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .3);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: border-color var(--transition), background var(--transition), color var(--transition);
        }

        .btn-hero-secondary:hover {
            border-color: var(--color-accent);
            background: rgba(0, 229, 255, .1);
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .hero-guide {
                padding: 40px 0 50px;
            }

            .hero-guide h1 {
                font-size: 28px;
            }

            .hero-guide .hero-sub {
                font-size: 15px;
            }

            .hero-creator-top {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }

            .hero-badges {
                margin-left: 0;
            }

            .hero-avatar {
                width: 56px;
                height: 56px;
                font-size: 24px;
            }
        }

        /* Section common */
        .section {
            padding: var(--spacing-section) 0;
        }

        .section-alt {
            background: #EDEFF3;
        }

        .section-deep {
            background: var(--color-deep);
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 16px;
        }

        .section-header h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0;
            letter-spacing: 1px;
        }

        .section-header .section-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            max-width: 420px;
            margin: 4px 0 0;
        }

        .section-header .section-link {
            font-size: 14px;
            color: var(--color-primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .section-header .section-link:hover {
            color: var(--color-primary-hover);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 22px;
            }
        }

        /* Difficulty badge */
        .difficulty-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
            white-space: nowrap;
        }

        .difficulty-badge.beginner {
            background: rgba(45, 206, 137, .1);
            color: #1A9E5A;
            border: 1px solid rgba(45, 206, 137, .3);
        }

        .difficulty-badge.intermediate {
            background: rgba(59, 130, 246, .1);
            color: #2B6CB0;
            border: 1px solid rgba(59, 130, 246, .3);
        }

        .difficulty-badge.advanced {
            background: rgba(138, 43, 226, .1);
            color: var(--color-primary);
            border: 1px solid rgba(138, 43, 226, .3);
        }

        .difficulty-badge.expert {
            background: rgba(239, 68, 68, .1);
            color: #C0392B;
            border: 1px solid rgba(239, 68, 68, .3);
        }

        /* Staircase tutorial layout */
        .staircase-section {
            padding: var(--spacing-section) 0;
            background: var(--color-bg);
        }

        .staircase-level {
            display: grid;
            grid-template-columns: 220px 1fr;
            gap: 32px;
            margin-bottom: 44px;
            align-items: start;
        }

        .staircase-level:last-child {
            margin-bottom: 0;
        }

        .level-side {
            position: sticky;
            top: 84px;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 24px 16px;
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 2px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .level-side .level-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .level-side .level-number.l1 {
            background: linear-gradient(135deg, var(--color-green), #1A9E5A);
        }

        .level-side .level-number.l2 {
            background: linear-gradient(135deg, var(--color-blue), #2B6CB0);
        }

        .level-side .level-number.l3 {
            background: linear-gradient(135deg, var(--color-primary), #6C1FD0);
        }

        .level-side h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 6px;
        }

        .level-side p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        .level-side .level-count {
            margin-top: 12px;
            font-size: 12px;
            color: var(--color-text-light);
            background: #F1F2F5;
            border-radius: 12px;
            padding: 4px 12px;
        }

        .tutorial-card-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .tutorial-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            transition: box-shadow var(--transition), transform var(--transition);
        }

        .tutorial-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        .tutorial-card .tut-img {
            width: 220px;
            min-height: 150px;
            flex-shrink: 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .tutorial-card .tut-img .tut-img-overlay {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(12, 15, 26, .75);
            border-radius: 6px;
            padding: 3px 10px;
            font-size: 12px;
            color: #fff;
            font-weight: 600;
            backdrop-filter: blur(8px);
        }

        .tutorial-card .tut-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .tutorial-card .tut-top {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
            flex-wrap: wrap;
        }

        .tutorial-card .tut-category {
            font-size: 12px;
            color: var(--color-text-light);
            background: #F1F2F5;
            padding: 2px 10px;
            border-radius: 4px;
        }

        .tutorial-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 8px;
            line-height: 1.55;
        }

        .tutorial-card .tut-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .tutorial-card .tut-meta {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: auto;
            font-size: 12px;
            color: var(--color-text-light);
        }

        .tutorial-card .tut-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .tutorial-card .tut-meta i {
            font-size: 11px;
        }

        @media (max-width: 768px) {
            .staircase-level {
                grid-template-columns: 1fr;
                gap: 20px;
                margin-bottom: 32px;
            }

            .level-side {
                position: static;
                flex-direction: row;
                align-items: center;
                gap: 14px;
                padding: 16px 20px;
                text-align: left;
            }

            .level-side .level-number {
                width: 44px;
                height: 44px;
                font-size: 20px;
                margin-bottom: 0;
                flex-shrink: 0;
            }

            .level-side .level-count {
                margin-top: 0;
                margin-left: auto;
                flex-shrink: 0;
            }

            .tutorial-card {
                flex-direction: column;
            }

            .tutorial-card .tut-img {
                width: 100%;
                min-height: 160px;
            }
        }

        /* Featured guides */
        .featured-guides {
            padding: var(--spacing-section) 0;
            background: #EDEFF3;
        }

        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .featured-card {
            background: var(--color-card);
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition), transform var(--transition);
            display: flex;
            flex-direction: column;
        }

        .featured-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .featured-card .feat-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .featured-card .feat-img .feat-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 4px;
        }

        .featured-card .feat-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card .feat-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .featured-card .feat-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 14px;
            line-height: 1.7;
            flex: 1;
        }

        .featured-card .feat-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border);
            padding-top: 12px;
        }

        @media (max-width: 1024px) {
            .featured-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }
        }

        /* Stats strip */
        .stats-strip {
            background: var(--color-deep);
            padding: 48px 0;
        }

        .stats-strip .container-site {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, .04);
            border: 1px solid rgba(255, 255, 255, .08);
        }

        .stat-item .stat-num {
            font-size: 36px;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
        }

        @media (max-width: 768px) {
            .stats-strip .container-site {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stat-item .stat-num {
                font-size: 28px;
            }
        }

        /* FAQ Section */
        .faq-section {
            padding: var(--spacing-section) 0;
            background: var(--color-bg);
        }

        .faq-list {
            max-width: 850px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.is-open {
            border-left: 4px solid var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 18px 22px;
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: #F8F6FA;
        }

        .faq-question .faq-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F1F2F5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 700;
            flex-shrink: 0;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            color: var(--color-text-light);
            transition: transform var(--transition);
        }

        .faq-item.is-open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
        }

        .faq-item.is-open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.8;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, #0C0F1A 0%, #1A0F2E 50%, #0C0F1A 100%);
            padding: 70px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(138, 43, 226, .2) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-section .container-site {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: 30px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, .7);
            max-width: 500px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }

        .cta-section .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin: 0 6px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(138, 43, 226, .35);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .3);
            border-radius: var(--radius-pill);
            padding: 12px 26px;
            font-size: 15px;
            font-weight: 500;
            transition: border-color var(--transition), background var(--transition);
        }

        .btn-outline-light:hover {
            border-color: var(--color-accent);
            background: rgba(0, 229, 255, .1);
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }

            .cta-section h2 {
                font-size: 24px;
            }
        }

        /* Subscribe card mini */
        .subscribe-inline {
            display: flex;
            align-items: center;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-pill);
            padding: 8px 14px;
        }

        .subscribe-inline input {
            flex: 1;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 14px;
            outline: none;
            min-width: 0;
        }

        .subscribe-inline input::placeholder {
            color: rgba(255, 255, 255, .5);
        }

        .subscribe-inline button {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition);
        }

        .subscribe-inline button:hover {
            background: var(--color-primary-hover);
        }

        @media (max-width: 640px) {
            .subscribe-inline {
                flex-direction: column;
                border-radius: var(--radius-card);
                padding: 14px;
            }

            .subscribe-inline input {
                width: 100%;
                text-align: center;
                padding: 6px 0;
            }

            .subscribe-inline button {
                width: 100%;
            }
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, .7);
            padding: 56px 0 0;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 8px;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            padding: 20px 0;
            font-size: 12px;
            color: rgba(255, 255, 255, .4);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .4);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* Utility */
        .text-accent {
            color: var(--color-accent);
        }

        .text-primary {
            color: var(--color-primary);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

/* roulang page: category6 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button, input, select, textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 640px) {
            .container-site {
                padding: 0 16px;
            }
        }

        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 18px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 120px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(138, 43, 226, .28);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 20px;
            color: var(--color-deep);
            padding: 4px;
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-toggle {
                display: block;
            }

            .nav-main {
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                gap: 0;
                padding: 12px 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: 0 12px 24px rgba(12, 15, 26, .08);
                display: none;
                overflow-y: auto;
                max-height: calc(100vh - 64px);
            }

            .nav-main.open {
                display: flex;
            }

            .nav-main a {
                width: 100%;
                padding: 12px 10px;
                border-bottom: 1px solid #F1F2F5;
            }

            .nav-main a.active::after {
                display: none;
            }

            .nav-main a.active {
                background: rgba(138, 43, 226, .06);
                border-radius: 8px;
            }

            .nav-search {
                display: none;
            }
        }

        @media (max-width: 640px) {
            .site-header {
                height: 56px;
            }

            .nav-main {
                top: 56px;
                max-height: calc(100vh - 56px);
            }

            .logo-brand {
                font-size: 15px;
            }

            .btn-nav-cta {
                font-size: 12px;
                padding: 6px 14px;
            }
        }

        .community-hero {
            background: var(--color-deep);
            position: relative;
            overflow: hidden;
            padding: 80px 0 72px;
        }

        .community-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(12, 15, 26, .92) 0%, rgba(12, 15, 26, .72) 45%, rgba(138, 43, 226, .35) 100%);
            z-index: 1;
        }

        .community-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            z-index: 0;
            opacity: .55;
        }

        .community-hero .container-site {
            position: relative;
            z-index: 2;
        }

        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb-row a {
            color: rgba(255, 255, 255, .65);
        }

        .breadcrumb-row a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-row .sep {
            opacity: .5;
        }

        .breadcrumb-row .current {
            color: #fff;
            font-weight: 500;
        }

        .community-hero-content {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .community-hero-text h1 {
            font-size: 36px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
            line-height: 1.35;
            letter-spacing: .02em;
        }

        .community-hero-text p {
            font-size: 16px;
            color: rgba(255, 255, 255, .78);
            margin: 0;
            max-width: 560px;
            line-height: 1.8;
        }

        .hero-stat-badges {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .hero-stat-badge {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .16);
            border-radius: 8px;
            padding: 8px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
            backdrop-filter: blur(8px);
        }

        .hero-stat-badge strong {
            color: var(--color-accent);
            font-size: 16px;
            margin-right: 4px;
        }

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }

        .btn-hero-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(138, 43, 226, .32);
        }

        @media (max-width: 640px) {
            .community-hero {
                padding: 48px 0 56px;
            }

            .community-hero-text h1 {
                font-size: 26px;
            }

            .community-hero-text p {
                font-size: 14px;
            }

            .hero-stat-badges {
                gap: 8px;
            }

            .hero-stat-badge {
                font-size: 12px;
                padding: 6px 12px;
            }
        }

        .section-block {
            padding: var(--spacing-section) 0;
        }

        .section-block.alt-bg {
            background: #fff;
        }

        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .section-title-left .section-label {
            font-size: 13px;
            font-weight: 500;
            color: var(--color-primary);
            letter-spacing: .06em;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }

        .section-title-left h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-deep);
            margin: 0;
            line-height: 1.35;
        }

        .section-title-left .section-sub {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 8px 0 0;
            max-width: 560px;
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--color-primary);
            color: var(--color-primary);
            border-radius: var(--radius-btn);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 500;
            transition: background var(--transition), color var(--transition), border-color var(--transition);
            white-space: nowrap;
        }

        .btn-outline-primary:hover {
            background: var(--color-primary);
            color: #fff;
            border-color: var(--color-primary);
        }

        .post-composer {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .post-composer .avatar-placeholder {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #E8EAF0, #D5D9E3);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-light);
            font-size: 18px;
        }

        .post-composer .composer-input {
            flex: 1;
            min-width: 200px;
        }

        .post-composer .composer-input input {
            width: 100%;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 11px 14px;
            font-size: 14px;
            color: var(--color-text);
            transition: border-color var(--transition);
        }

        .post-composer .composer-input input:focus {
            border-color: var(--color-primary);
            outline: none;
        }

        .post-composer .composer-actions {
            display: flex;
            gap: 8px;
            flex-shrink: 0;
        }

        .btn-composer-tool {
            background: #F5F6F8;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-btn);
            padding: 9px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: background var(--transition), border-color var(--transition);
        }

        .btn-composer-tool:hover {
            background: #EDEEF2;
            border-color: var(--color-border-strong);
        }

        .btn-post-submit {
            background: var(--color-primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }

        .btn-post-submit:hover {
            background: var(--color-primary-hover);
            transform: translateY(-1px);
        }

        @media (max-width: 640px) {
            .post-composer {
                padding: 16px;
                flex-direction: column;
                gap: 12px;
            }

            .composer-actions {
                flex-wrap: wrap;
                width: 100%;
            }
        }

        .topic-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .topic-tab {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 7px 16px;
            font-size: 13px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: background var(--transition), border-color var(--transition), color var(--transition);
            white-space: nowrap;
        }

        .topic-tab:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }

        .topic-tab.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
        }

        .post-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .post-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            transition: transform var(--transition), box-shadow var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .post-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .post-card .post-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .post-card .post-avatar-sm {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
            font-weight: 600;
        }

        .avatar-1 { background: linear-gradient(135deg, #8A2BE2, #C084FC); }
        .avatar-2 { background: linear-gradient(135deg, #00E5FF, #0EA5E9); }
        .avatar-3 { background: linear-gradient(135deg, #F59E0B, #F97316); }
        .avatar-4 { background: linear-gradient(135deg, #10B981, #34D399); }
        .avatar-5 { background: linear-gradient(135deg, #EF4444, #F87171); }
        .avatar-6 { background: linear-gradient(135deg, #6366F1, #818CF8); }

        .post-card .post-user {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
        }

        .post-card .post-time {
            font-size: 12px;
            color: var(--color-text-light);
            margin-left: auto;
        }

        .post-card .post-card-body {
            flex: 1;
        }

        .post-card .post-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-deep);
            margin: 0 0 8px;
            line-height: 1.5;
        }

        .post-card .post-excerpt {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            line-height: 1.7;
        }

        .post-card .post-image {
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 12px;
            aspect-ratio: 16/9;
        }

        .post-card .post-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition);
        }

        .post-card:hover .post-image img {
            transform: scale(1.03);
        }

        .post-card .post-card-footer {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-secondary);
        }

        .post-card .post-stat {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
        }

        .post-card .post-stat i {
            font-size: 12px;
        }

        .hot-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: #FF4D4F;
            color: #fff;
            font-size: 11px;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: var(--radius-badge);
            letter-spacing: .03em;
        }

        @media (max-width: 1024px) {
            .post-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .post-grid {
                grid-template-columns: 1fr;
            }

            .section-title-row h2 {
                font-size: 22px;
            }
        }

        .community-value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .value-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .value-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .value-card .value-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
            color: #fff;
        }

        .value-icon.vi1 { background: linear-gradient(135deg, #8A2BE2, #C084FC); }
        .value-icon.vi2 { background: linear-gradient(135deg, #00E5FF, #0EA5E9); }
        .value-icon.vi3 { background: linear-gradient(135deg, #F59E0B, #F97316); }
        .value-icon.vi4 { background: linear-gradient(135deg, #10B981, #34D399); }

        .value-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--color-deep);
            margin: 0 0 8px;
        }

        .value-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.7;
        }

        @media (max-width: 1024px) {
            .community-value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .community-value-grid {
                grid-template-columns: 1fr;
            }
        }

        .active-players-section {
            background: var(--color-deep);
            padding: var(--spacing-section) 0;
            position: relative;
        }

        .active-players-section .section-title-left h2 {
            color: #fff;
        }

        .active-players-section .section-title-left .section-sub {
            color: rgba(255, 255, 255, .7);
        }

        .players-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .player-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-card);
            padding: 20px;
            display: flex;
            gap: 14px;
            align-items: center;
            transition: background var(--transition), border-color var(--transition);
        }

        .player-card:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .22);
        }

        .player-card .player-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            font-weight: 600;
        }

        .player-card .player-info {
            flex: 1;
            min-width: 0;
        }

        .player-card .player-name {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0;
        }

        .player-card .player-desc {
            font-size: 12px;
            color: rgba(255, 255, 255, .62);
            margin: 4px 0 0;
            line-height: 1.5;
        }

        .player-card .player-badge {
            background: rgba(0, 229, 255, .16);
            color: var(--color-accent);
            font-size: 11px;
            font-weight: 500;
            padding: 3px 8px;
            border-radius: var(--radius-badge);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .players-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .players-grid {
                grid-template-columns: 1fr;
            }
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item:hover {
            border-color: var(--color-border-strong);
        }

        .faq-item.active {
            border-left: 3px solid var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-deep);
            text-align: left;
            transition: background var(--transition);
        }

        .faq-question:hover {
            background: #FAFBFC;
        }

        .faq-question .faq-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #F5F6F8;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-text-secondary);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question .faq-num {
            background: var(--color-primary);
            color: #fff;
        }

        .faq-question .faq-toggle {
            margin-left: auto;
            flex-shrink: 0;
            color: var(--color-text-light);
            font-size: 14px;
            transition: transform var(--transition);
        }

        .faq-item.active .faq-question .faq-toggle {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            padding: 0 22px 18px 64px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                font-size: 14px;
                padding: 14px 16px;
                gap: 10px;
            }

            .faq-answer {
                padding: 0 16px 14px 54px;
                font-size: 13px;
            }
        }

        .cta-community {
            background: linear-gradient(135deg, var(--color-deep) 0%, #1E1B3A 55%, #2A1E45 100%);
            padding: 64px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-community::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(circle at 80% 30%, rgba(138, 43, 226, .3) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-community .container-site {
            position: relative;
            z-index: 1;
            text-align: center;
        }

        .cta-community h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .cta-community p {
            font-size: 15px;
            color: rgba(255, 255, 255, .72);
            margin: 0 auto 28px;
            max-width: 480px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-accent {
            background: linear-gradient(135deg, var(--color-accent-2), #00C9B8);
            color: var(--color-deep);
            border: none;
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-accent:hover {
            background: linear-gradient(135deg, #3DE8CE, #00E0C6);
            color: var(--color-deep);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(45, 226, 192, .25);
        }

        .btn-cta-outline-white {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, .3);
            color: #fff;
            border-radius: var(--radius-btn);
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 500;
            transition: background var(--transition), border-color var(--transition);
        }

        .btn-cta-outline-white:hover {
            background: rgba(255, 255, 255, .1);
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
        }

        @media (max-width: 640px) {
            .cta-community h2 {
                font-size: 22px;
            }

            .cta-community p {
                font-size: 13px;
            }
        }

        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, .75);
            padding: 56px 0 24px;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            margin: 0;
            line-height: 1.8;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .55);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 1024px) {
            .footer-columns {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 640px) {
            .footer-columns {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

/* roulang page: category7 */
:root {
            --color-deep: #0C0F1A;
            --color-deep-2: #141826;
            --color-primary: #8A2BE2;
            --color-primary-hover: #9B3DF3;
            --color-accent: #00E5FF;
            --color-accent-2: #2DE2C0;
            --color-bg: #F5F6F8;
            --color-card: #FFFFFF;
            --color-text: #1B1E28;
            --color-text-secondary: #5A6072;
            --color-text-light: #9BA1B0;
            --color-border: #E8EAF0;
            --color-border-strong: #D5D9E3;
            --color-sale: #E5484D;
            --color-warning: #F5A623;
            --color-stock: #2DE2C0;
            --radius-card: 12px;
            --radius-btn: 8px;
            --radius-pill: 20px;
            --radius-badge: 4px;
            --shadow-sm: 0 1px 3px rgba(12, 15, 26, .06);
            --shadow-hover: 0 8px 24px rgba(12, 15, 26, .12);
            --font-base: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --transition: 0.22s ease;
            --spacing-section: 72px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.8;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition), border-color var(--transition), background var(--transition), opacity var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        a:hover {
            color: var(--color-primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: var(--font-base);
            font-size: 15px;
            line-height: 1.6;
        }

        button {
            cursor: pointer;
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
        }

        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header / Navigation */
        .site-header {
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 100;
            height: 64px;
            display: flex;
            align-items: center;
            box-shadow: 0 1px 4px rgba(12, 15, 26, .04);
        }

        .site-header .container-site {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 14px;
        }

        .logo-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
            font-weight: 700;
            font-size: 17px;
            color: var(--color-deep);
            white-space: nowrap;
        }

        .logo-brand:hover {
            color: var(--color-primary);
        }

        .logo-brand .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            flex-shrink: 0;
        }

        .nav-main {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-main::-webkit-scrollbar {
            display: none;
        }

        .nav-main a {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 6px 10px;
            border-radius: 6px;
            white-space: nowrap;
            position: relative;
            transition: color var(--transition);
        }

        .nav-main a:hover {
            color: var(--color-primary);
        }

        .nav-main a.active {
            color: var(--color-primary);
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            left: 10px;
            right: 10px;
            bottom: -2px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #F1F2F5;
            border-radius: var(--radius-pill);
            padding: 6px 14px;
            border: 1px solid transparent;
            transition: border-color var(--transition), background var(--transition);
            flex-shrink: 0;
        }

        .nav-search:focus-within {
            border-color: var(--color-primary);
            background: #fff;
        }

        .nav-search input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 110px;
            color: var(--color-text);
            outline: none;
        }

        .nav-search i {
            color: var(--color-text-light);
            font-size: 13px;
        }

        .btn-nav-cta {
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            white-space: nowrap;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            flex-shrink: 0;
        }

        .btn-nav-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(138, 43, 226, .28);
        }

        .btn-hamburger {
            display: none;
            background: #F1F2F5;
            border: 1px solid var(--color-border);
            border-radius: 6px;
            padding: 8px 12px;
            font-size: 18px;
            color: var(--color-text);
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            transition: background var(--transition);
        }

        .btn-hamburger:hover {
            background: #E8EAF0;
        }

        /* Mobile nav */
        .mobile-nav {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--color-card);
            border-bottom: 1px solid var(--color-border);
            box-shadow: 0 8px 24px rgba(12, 15, 26, .10);
            z-index: 99;
            padding: 16px 20px;
            flex-direction: column;
            gap: 4px;
            max-height: calc(100vh - 64px);
            overflow-y: auto;
        }

        .mobile-nav.open {
            display: flex;
        }

        .mobile-nav a {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            padding: 10px 12px;
            border-radius: 8px;
            transition: background var(--transition), color var(--transition);
        }

        .mobile-nav a:hover {
            background: #F5F6F8;
            color: var(--color-primary);
        }

        .mobile-nav a.active {
            color: var(--color-primary);
            background: rgba(138, 43, 226, .06);
        }

        /* Store Hero */
        .store-hero {
            position: relative;
            background: var(--color-deep);
            color: #fff;
            padding: 56px 0 40px;
            overflow: hidden;
        }

        .store-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
        }

        .store-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(12, 15, 26, .55) 0%, rgba(12, 15, 26, .82) 100%);
        }

        .store-hero .container-site {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .65);
            margin-bottom: 20px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, .75);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--color-accent);
        }

        .breadcrumb span.sep {
            color: rgba(255, 255, 255, .4);
        }

        .store-hero h1 {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            margin: 0 0 12px;
            color: #fff;
        }

        .store-hero p.hero-sub {
            font-size: 16px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .78);
            max-width: 560px;
            margin: 0 0 20px;
        }

        .store-hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .store-hero-badges span {
            background: rgba(255, 255, 255, .10);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-pill);
            padding: 4px 14px;
            font-size: 13px;
            color: rgba(255, 255, 255, .85);
        }

        .store-hero-badges span i {
            color: var(--color-accent);
            margin-right: 4px;
        }

        /* Section base */
        .section-store {
            padding: var(--spacing-section) 0;
        }

        .section-store.section-alt {
            background: #fff;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            color: var(--color-deep);
            margin: 0 0 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 28px;
        }

        /* Filter bar */
        .store-filter-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 14px 18px;
            box-shadow: var(--shadow-sm);
        }

        .filter-group {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
        }

        .filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            margin-right: 4px;
        }

        .filter-btn {
            background: #F5F6F8;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 5px 14px;
            font-size: 13px;
            color: var(--color-text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

        .filter-btn:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: #fff;
        }

        .filter-btn.active {
            background: var(--color-primary);
            border-color: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }

        .filter-sort {
            margin-left: auto;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .filter-sort label {
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 600;
        }

        .filter-sort select {
            background: #F5F6F8;
            border: 1px solid var(--color-border);
            border-radius: 8px;
            padding: 5px 10px;
            font-size: 13px;
            color: var(--color-text);
            outline: none;
            transition: border-color var(--transition);
        }

        .filter-sort select:focus {
            border-color: var(--color-primary);
        }

        /* Product grid */
        .product-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .product-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .product-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--color-border-strong);
        }

        .product-card .product-media {
            position: relative;
            aspect-ratio: 4/3;
            overflow: hidden;
        }

        .product-card .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .product-card:hover .product-media img {
            transform: scale(1.04);
        }

        .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-badge);
        }

        .product-tag.tag-new {
            background: var(--color-accent-2);
            color: var(--color-deep);
        }

        .product-tag.tag-limited {
            background: var(--color-sale);
        }

        .product-tag.tag-hot {
            background: var(--color-warning);
            color: var(--color-deep);
        }

        .product-info {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .product-category {
            font-size: 12px;
            color: var(--color-text-light);
            margin-bottom: 4px;
            letter-spacing: .5px;
        }

        .product-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            line-height: 1.45;
            margin-bottom: 6px;
            min-height: 42px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .product-price-row {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 12px;
        }

        .product-price {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-deep);
        }

        .product-price .currency {
            font-size: 14px;
        }

        .product-old-price {
            font-size: 13px;
            color: var(--color-text-light);
            text-decoration: line-through;
        }

        .btn-buy {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-btn);
            padding: 9px 16px;
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            width: 100%;
        }

        .btn-buy:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(138, 43, 226, .25);
        }

        .btn-buy.sold-out {
            background: #E8EAF0;
            color: var(--color-text-light);
            cursor: not-allowed;
            pointer-events: none;
        }

        .btn-buy.pre-order {
            background: linear-gradient(135deg, var(--color-accent-2), #14C8A8);
            color: var(--color-deep);
        }

        .btn-buy.pre-order:hover {
            background: linear-gradient(135deg, #3DE8C6, #2DE2C0);
            color: var(--color-deep);
            box-shadow: 0 4px 12px rgba(45, 226, 192, .3);
        }

        /* Limited edition section */
        .limited-section {
            background: var(--color-deep);
            color: #fff;
            padding: var(--spacing-section) 0;
            position: relative;
            overflow: hidden;
        }

        .limited-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-accent-2));
        }

        .limited-section .section-title {
            color: #fff;
        }

        .limited-section .section-subtitle {
            color: rgba(255, 255, 255, .65);
        }

        .limited-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .limited-card {
            background: var(--color-deep-2);
            border: 1px solid rgba(255, 255, 255, .08);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
        }

        .limited-card:hover {
            border-color: rgba(138, 43, 226, .5);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
        }

        .limited-card .limited-media {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

        .limited-card .limited-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }

        .limited-card:hover .limited-media img {
            transform: scale(1.05);
        }

        .limited-card .limited-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            background: linear-gradient(135deg, var(--color-sale), #FF6B6B);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
            letter-spacing: 1px;
        }

        .limited-info {
            padding: 18px 20px 20px;
        }

        .limited-name {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .limited-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, .6);
            line-height: 1.6;
            margin-bottom: 10px;
        }

        .limited-price {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-accent-2);
            margin-bottom: 12px;
        }

        .btn-limited {
            background: linear-gradient(135deg, var(--color-accent-2), #14C8A8);
            color: var(--color-deep);
            border: none;
            border-radius: var(--radius-btn);
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 700;
            transition: all var(--transition);
            width: 100%;
        }

        .btn-limited:hover {
            background: linear-gradient(135deg, #3DE8C6, #2DE2C0);
            color: var(--color-deep);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(45, 226, 192, .3);
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 18px;
        }

        .testimonial-card {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 20px 22px;
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }

        .testimonial-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent-2));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-light);
        }

        .testimonial-text {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
        }

        .testimonial-text::before {
            content: '“';
            color: var(--color-primary);
            font-size: 28px;
            font-weight: 700;
            line-height: 0;
            margin-right: 4px;
            vertical-align: -6px;
        }

        /* Service features */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .service-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            padding: 22px 20px;
            text-align: left;
            transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
        }

        .service-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(138, 43, 226, .3);
        }

        .service-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(138, 43, 226, .1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .service-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-deep);
            margin-bottom: 6px;
        }

        .service-desc {
            font-size: 13px;
            line-height: 1.7;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: border-color var(--transition), box-shadow var(--transition);
        }

        .faq-item.active {
            border-left: 4px solid var(--color-primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 16px 20px;
            cursor: pointer;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-deep);
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: color var(--transition);
            position: relative;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-number {
            width: 26px;
            height: 26px;
            border-radius: 6px;
            background: #F1F2F5;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-text-secondary);
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .faq-item.active .faq-number {
            background: var(--color-primary);
            color: #fff;
        }

        .faq-question .faq-arrow {
            margin-left: auto;
            font-size: 14px;
            color: var(--color-text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .3s ease, padding .3s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px 56px;
        }

        .faq-answer p {
            font-size: 14px;
            line-height: 1.75;
            color: var(--color-text-secondary);
            margin: 0;
        }

        /* CTA */
        .store-cta {
            background: linear-gradient(135deg, var(--color-deep) 0%, #1a0f2e 50%, #1a1a2e 100%);
            color: #fff;
            text-align: center;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .store-cta::before {
            content: '';
            position: absolute;
            top: -50%;
            left: 50%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(138, 43, 226, .2) 0%, transparent 70%);
            transform: translateX(-50%);
            pointer-events: none;
        }

        .store-cta .container-site {
            position: relative;
            z-index: 2;
        }

        .store-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px;
        }

        .store-cta p {
            font-size: 15px;
            color: rgba(255, 255, 255, .7);
            line-height: 1.7;
            max-width: 520px;
            margin: 0 auto 24px;
        }

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-primary), #A855F7);
            color: #fff;
            border: none;
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 700;
            transition: all var(--transition);
        }

        .btn-cta-primary:hover {
            background: linear-gradient(135deg, var(--color-primary-hover), #B86BF7);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(138, 43, 226, .35);
        }

        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .35);
            border-radius: var(--radius-pill);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            transition: all var(--transition);
            margin-left: 10px;
        }

        .btn-cta-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: rgba(255, 255, 255, .05);
        }

        /* Footer */
        .site-footer {
            background: var(--color-deep);
            color: rgba(255, 255, 255, .6);
            padding: 48px 0 24px;
            font-size: 14px;
        }

        .site-footer .container-site {
            padding: 0 24px;
        }

        .footer-columns {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .5);
            margin: 0;
            max-width: 300px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin: 0 0 12px;
        }

        .footer-col a {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, .55);
            padding: 4px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--color-accent-2);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            font-size: 12px;
            color: rgba(255, 255, 255, .45);
            align-items: center;
            justify-content: space-between;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, .5);
            transition: color var(--transition);
        }

        .footer-bottom a:hover {
            color: var(--color-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .product-grid {
                grid-template-columns: repeat(3, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .limited-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing-section: 48px;
            }

            .site-header {
                height: 56px;
            }

            .site-header .container-site {
                gap: 8px;
            }

            .nav-main {
                display: none;
            }

            .btn-hamburger {
                display: flex;
            }

            .nav-search {
                display: none;
            }

            .btn-nav-cta {
                margin-left: auto;
                padding: 7px 14px;
                font-size: 13px;
            }

            .mobile-nav {
                top: 56px;
            }

            .store-hero {
                padding: 40px 0 32px;
            }

            .store-hero h1 {
                font-size: 26px;
            }

            .store-hero p.hero-sub {
                font-size: 14px;
            }

            .section-title {
                font-size: 22px;
            }

            .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .limited-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
            }

            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }

            .filter-sort {
                margin-left: 0;
            }

            .footer-columns {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
            }

            .btn-cta-secondary {
                display: flex;
                margin-left: 0;
                margin-top: 10px;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .container-site {
                padding: 0 14px;
            }

            .product-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .store-hero-badges {
                gap: 6px;
            }

            .store-hero-badges span {
                font-size: 12px;
                padding: 3px 10px;
            }

            .product-name {
                min-height: auto;
                -webkit-line-clamp: 1;
            }

            .btn-nav-cta span {
                display: none;
            }

            .btn-nav-cta::after {
                content: '赛事';
                font-size: 13px;
            }

            .filter-bar {
                padding: 12px 14px;
            }

            .filter-btn {
                font-size: 12px;
                padding: 4px 10px;
            }
        }