/* roulang page: index */
:root {
            --primary: #0b1d3a;
            --primary-light: #132a52;
            --accent: #00c9a7;
            --accent-hover: #00ad92;
            --accent-soft: rgba(0, 201, 167, 0.12);
            --orange: #ff8c42;
            --text-main: #182230;
            --text-weak: #697586;
            --bg-body: #f4f6f9;
            --bg-dark: #0a1728;
            --card-bg: #ffffff;
            --line: rgba(11, 29, 58, 0.09);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 10px 30px rgba(11, 29, 58, 0.09);
            --shadow-lg: 0 20px 48px rgba(11, 29, 58, 0.14);
            --space: 96px;
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: var(--space) 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.55);
            transition: background .35s, box-shadow .35s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 8px 32px rgba(11, 29, 58, 0.10);
            border-bottom: 1px solid var(--line);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #1b3a6b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(11, 29, 58, 0.2);
        }
        .brand-text {
            font-size: 18px;
            color: var(--primary);
        }
        .brand-tag {
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 6px;
            letter-spacing: 1px;
        }
        .site-header .nav-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 999px;
            transition: background .25s, color .25s;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            transition: background .3s, transform .25s;
            border: 0;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: none;
            font-size: 20px;
            color: var(--primary);
            padding: 4px 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding-top: 140px;
            padding-bottom: 90px;
            color: #fff;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(7, 18, 38, 0.88) 0%, rgba(11, 29, 58, 0.72) 50%, rgba(0, 201, 167, 0.28) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 999px;
            padding: 7px 18px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 22px;
            color: #eafff9;
        }
        .hero-title {
            font-size: clamp(2.4rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            max-width: 720px;
        }
        .hero-title .text-gradient {
            background: linear-gradient(90deg, #fff, #65e6cc);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-subtitle {
            font-size: cl00amp(1rem, 1.5vw, 1.2rem);
            max-width: 620px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.9;
            margin-bottom: 30px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-mint {
            background: var(--accent);
            color: #062b24 !important;
            font-weight: 700;
            border-radius: 999px;
            padding: 14px 30px;
            border: 0;
            transition: all .3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-mint:hover {
            background: #33dcba;
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(0, 201, 167, 0.35);
        }
        .btn-ghost {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.38);
            color: #fff;
            border-radius: 999px;
            padding: 13px 28px;
            font-weight: 600;
            transition: all .3s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.26);
            transform: translateY(-3px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            margin-top: 50px;
        }
        .hero-stat {
            border-left: 2px solid var(--accent);
            padding-left: 18px;
        }
        .hero-stat .num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
        }
        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* Feature cards */
        .feature-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 32px 26px;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: all .35s;
            height: 100%;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(0, 201, 167, 0.3);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: var(--accent-soft);
            color: var(--accent);
        }
        .feature-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .feature-text {
            color: var(--text-weak);
            font-size: 0.95rem;
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* Stats band */
        .stats-section {
            background: var(--bg-dark);
            position: relative;
            color: #fff;
            background-image: linear-gradient(135deg, #0a1728, #0f264a), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-blend-mode: overlay;
        }
        .stats-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stat-number {
            font-size: clamp(2rem, 4vw, 2.8rem);
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-top: 6px;
        }

        /* Category entry */
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            transition: all .35s;
            height: 100%;
        }
        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-8px);
        }
        .category-img {
            height: 220px;
            object-fit: cover;
            width: 100%;
        }
        .category-body {
            padding: 26px 24px;
        }
        .category-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 13px;
            font-weight: 700;
            border-radius: 999px;
            padding: 4px 14px;
            margin-bottom: 12px;
        }
        .category-title {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .category-desc {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .category-list {
            list-style: none;
            padding: 0;
            margin: 0 0 18px;
        }
        .category-list li {
            padding: 5px 0;
            font-size: 0.92rem;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .category-list li i {
            color: var(--accent);
            font-size: 12px;
        }
        .category-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-link:hover {
            color: var(--accent);
        }

        /* News */
        .latest-news-block {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: 36px;
        }
        .news-card {
            border-bottom: 1px solid var(--line);
            padding: 24px 0;
            transition: all .3s;
        }
        .news-card:last-child {
            border-bottom: 0;
        }
        .news-card:hover {
            padding-left: 12px;
        }
        .news-index {
            font-size: 2rem;
            font-weight: 800;
            color: rgba(11, 29, 58, 0.14);
            line-height: 1;
            min-width: 44px;
        }
        .badge-soft {
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            border-radius: 999px;
            padding: 3px 12px;
        }
        .news-time {
            font-size: 13px;
            color: var(--text-weak);
        }
        .news-title-h3 {
            margin-bottom: 6px;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .news-title-h3 a {
            color: var(--primary);
        }
        .news-title-h3 a:hover {
            color: var(--accent);
        }
        .news-desc {
            color: var(--text-weak);
            font-size: 0.9rem;
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .empty-tip {
            text-align: center;
            color: var(--text-weak);
            padding: 50px 20px;
            background: #fafbfc;
            border-radius: var(--radius);
            font-size: 1rem;
            border: 1px dashed var(--line);
        }

        /* Steps */
        .step-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
            height: 100%;
            transition: all .3s;
        }
        .step-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 3.2rem;
            font-weight: 800;
            color: rgba(11, 29, 58, 0.07);
            line-height: 1;
        }
        .step-item .step-icon {
            width: 46px;
            height: 46px;
            border-radius: 14px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 18px;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 24px 26px;
            margin-bottom: 14px;
            transition: all .25s;
        }
        .faq-item:hover {
            border-color: rgba(0, 201, 167, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            margin-bottom: 6px;
        }
        .faq-question i {
            color: var(--accent);
        }
        .faq-answer {
            color: var(--text-weak);
            font-size: 0.92rem;
            line-height: 1.75;
            margin-top: 6px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), #16325c);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(0, 201, 167, 0.22);
            filter: blur(40px);
        }
        .cta-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-sub {
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.64);
            padding-top: 70px;
        }
        .footer-brand {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.58);
        }
        .footer-title {
            font-size: 1rem;
            color: #fff;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.64);
            font-size: 0.9rem;
            transition: color .25s;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            margin-top: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 16px;
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
            }
            .site-header .nav-link {
                padding: 10px 16px !important;
            }
            .nav-cta {
                margin: 10px 0 0 16px;
                display: inline-block;
            }
            .hero {
                min-height: auto;
                padding: 130px 0 70px;
            }
        }
        @media (max-width: 768px) {
            .section {
                --space: 60px;
            }
            .stats-list {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .hero-stats {
                gap: 18px;
                flex-direction: column;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .latest-news-block {
                padding: 24px 18px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-mint,
            .btn-ghost {
                justify-content: center;
            }
            .stats-list {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

:root {
            --primary: #0b1d3a;
            --primary-light: #132a52;
            --accent: #00c9a7;
            --accent-soft: rgba(0, 201, 167, 0.12);
            --text-main: #182230;
            --text-weak: #697586;
            --bg-body: #f4f6f9;
            --card-bg: #fff;
            --line: rgba(11, 29, 58, 0.09);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 10px 30px rgba(11, 29, 58, 0.09);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 64px 0;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--text-weak);
            font-size: 1rem;
            max-width: 640px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
            transition: all .35s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 32px rgba(11, 29, 58, 0.1);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #1b3a6b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .brand-text {
            font-size: 18px;
            color: var(--primary);
        }
        .brand-tag {
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 6px;
        }
        .site-header .nav-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 999px;
            transition: all .25s;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: 0;
            transition: all .3s;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: none;
            font-size: 20px;
            color: var(--primary);
        }

        /* Page Banner */
        .page-banner {
            position: relative;
            padding: 160px 0 80px;
            background-image: linear-gradient(120deg, rgba(7, 18, 38, 0.9), rgba(11, 29, 58, 0.65)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .page-banner .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 16px;
            color: #eafff9;
        }
        .page-banner h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-banner p {
            max-width: 640px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 0;
        }

        /* Match cards */
        .match-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: 24px 22px;
            transition: all .3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .match-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .match-card .match-league {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .match-card .match-score {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            margin: 8px 0;
        }
        .match-card .match-teams {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: var(--primary);
            gap: 8px;
        }
        .match-card .match-teams span {
            flex: 1;
        }
        .match-card .match-teams .vs {
            color: var(--text-weak);
            font-weight: 700;
        }
        .match-card .match-info {
            font-size: 13px;
            color: var(--text-weak);
            border-top: 1px solid var(--line);
            padding-top: 12px;
            margin-top: auto;
        }

        /* Hot list */
        .hot-list {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: 32px 28px;
        }
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--line);
            transition: padding-left .3s;
        }
        .hot-list-item:last-child {
            border-bottom: 0;
        }
        .hot-list-item:hover {
            padding-left: 8px;
        }
        .hot-rank {
            font-size: 1.4rem;
            font-weight: 800;
            color: rgba(11, 29, 58, 0.16);
            min-width: 32px;
        }
        .hot-list-title {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .hot-list-meta {
            font-size: 13px;
            color: var(--text-weak);
        }

        /* Stat mini */
        .mini-stat {
            background: var(--bg-dark, #0a1728);
            border-radius: var(--radius);
            padding: 24px 20px;
            color: #fff;
        }
        .mini-stat .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent);
        }
        .mini-stat .label {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 22px 24px;
            margin-bottom: 12px;
        }
        .faq-item .q {
            font-weight: 700;
            color: var(--primary);
            display: flex;
            gap: 8px;
            margin-bottom: 6px;
        }
        .faq-item .q i {
            color: var(--accent);
        }
        .faq-item .a {
            color: var(--text-weak);
            font-size: .92rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--primary), #16325c);
            border-radius: var(--radius-lg);
            padding: 50px 36px;
            text-align: center;
            color: #fff;
        }
        .cta-box h2 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        /* Footer */
        .site-footer {
            background: #0a1728;
            color: rgba(255, 255, 255, 0.6);
            padding-top: 60px;
            margin-top: 60px;
        }
        .footer-brand {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: .9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: .9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding: 20px 0;
            font-size: .85rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 16px;
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
            }
            .page-banner {
                padding: 130px 0 60px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }

:root {
            --primary: #0b1d3a;
            --primary-light: #132a52;
            --accent: #00c9a7;
            --accent-soft: rgba(0, 201, 167, 0.12);
            --orange: #ff8c42;
            --text-main: #182230;
            --text-weak: #697586;
            --bg-body: #f4f6f9;
            --card-bg: #fff;
            --line: rgba(11, 29, 58, 0.09);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 10px 30px rgba(11, 29, 58, 0.09);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 64px 0;
        }
        .section-eyebrow {
            display: inline-block;
            font-size: 13px;
            letter-spacing: 2px;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: clamp(1.8rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-subtitle {
            color: var(--text-weak);
            max-width: 640px;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
            transition: all .35s;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 32px rgba(11, 29, 58, 0.1);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #1b3a6b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .brand-text {
            font-size: 18px;
            color: var(--primary);
        }
        .brand-tag {
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 6px;
        }
        .site-header .nav-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 999px;
        }
        .site-header .nav-link:hover,
        .site-header .nav-link.active {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: 0;
        }
        .nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }
        .navbar-toggler {
            border: none;
            font-size: 20px;
            color: var(--primary);
        }

        /* Banner */
        .page-banner {
            position: relative;
            padding: 160px 0 80px;
            background-image: linear-gradient(120deg, rgba(7, 18, 38, 0.9), rgba(0, 201, 167, 0.25)), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            color: #fff;
        }
        .banner-tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.22);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
        }
        .page-banner p {
            max-width: 640px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            line-height: 1.8;
        }

        /* Sport cards */
        .sport-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            height: 100%;
            transition: all .35s;
        }
        .sport-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
        }
        .sport-card img {
            height: 180px;
            object-fit: cover;
            width: 100%;
        }
        .sport-card-body {
            padding: 24px 22px;
        }
        .sport-card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .sport-card-body p {
            font-size: .9rem;
            color: var(--text-weak);
            margin-bottom: 14px;
        }
        .sport-link {
            font-weight: 600;
            color: var(--accent);
            font-size: .92rem;
        }
        .sport-link:hover {
            color: var(--primary);
        }

        /* Topic cards */
        .topic-card {
            background: var(--primary);
            border-radius: var(--radius);
            padding: 30px 26px;
            color: #fff;
            height: 100%;
            transition: all .3s;
        }
        .topic-card:hover {
            transform: scale(1.02);
        }
        .topic-card .topic-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .topic-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .topic-card p {
            font-size: .88rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* FAQ */
        .faq-item {
            background: #fff;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 22px 24px;
            margin-bottom: 12px;
        }
        .faq-item .q {
            font-weight: 700;
            color: var(--primary);
            display: flex;
            gap: 8px;
            margin-bottom: 6px;
        }
        .faq-item .q i {
            color: var(--accent);
        }
        .faq-item .a {
            color: var(--text-weak);
            font-size: .92rem;
            line-height: 1.7;
        }

        /* CTA */
        .cta-box {
            background: linear-gradient(135deg, var(--primary), #16325c);
            border-radius: var(--radius-lg);
            padding: 50px 36px;
            text-align: center;
            color: #fff;
        }
        .cta-box h2 {
            font-weight: 800;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        /* Footer */
        .site-footer {
            background: #0a1728;
            color: rgba(255, 255, 255, 0.6);
            padding-top: 60px;
            margin-top: 60px;
        }
        .footer-brand {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: .9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: .9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding: 20px 0;
            font-size: .85rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 16px;
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
            }
            .page-banner {
                padding: 130px 0 60px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
        }

:root {
            --primary: #0b1d3a;
            --primary-light: #132a52;
            --accent: #00c9a7;
            --accent-soft: rgba(0, 201, 167, 0.12);
            --text-main: #182230;
            --text-weak: #697586;
            --bg-body: #f4f6f9;
            --card-bg: #fff;
            --line: rgba(11, 29, 58, 0.09);
            --radius: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 10px 30px rgba(11, 29, 58, 0.09);
            --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        body {
            margin: 0;
            font-family: var(--font-main);
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            display: block;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section {
            padding: 60px 0;
        }

        /* Header */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--line);
            transition: all .35s;
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(11, 29, 58, 0.1);
        }
        .site-header .navbar {
            padding: 14px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), #1b3a6b);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .brand-text {
            font-size: 18px;
            color: var(--primary);
        }
        .brand-tag {
            background: var(--accent-soft);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 999px;
            margin-left: 6px;
        }
        .site-header .nav-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 999px;
        }
        .site-header .nav-link:hover {
            background: var(--accent-soft);
            color: var(--accent);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff !important;
            border-radius: 999px;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border: 0;
        }
        .navbar-toggler {
            border: none;
            font-size: 20px;
            color: var(--primary);
        }

        /* Article */
        .article-wrap {
            padding-top: 130px;
            padding-bottom: 50px;
        }
        .article-main {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: clamp(28px, 4vw, 48px);
        }
        .article-breadcrumb {
            font-size: 13px;
            color: var(--text-weak);
            margin-bottom: 18px;
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .article-breadcrumb a {
            color: var(--accent);
        }
        .article-breadcrumb a:hover {
            color: var(--primary);
        }
        .article-title {
            font-size: clamp(1.7rem, 3.2vw, 2.4rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 18px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--line);
            margin-bottom: 28px;
            color: var(--text-weak);
            font-size: 14px;
        }
        .article-meta .badge {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            border-radius: 999px;
            padding: 5px 14px;
            font-size: 12px;
        }
        .article-cover {
            border-radius: var(--radius);
            overflow: hidden;
            margin-bottom: 28px;
        }
        .article-body {
            font-size: 1rem;
            line-height: 1.9;
            color: #2a3444;
        }
        .article-body p {
            margin-bottom: 1.4em;
        }
        .article-body h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 1.6em;
            margin-bottom: .6em;
        }
        .article-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-top: 1.3em;
            margin-bottom: .5em;
        }
        .article-body ul,
        .article-body ol {
            margin: 1em 0;
            padding-left: 1.4em;
        }
        .article-body li {
            margin-bottom: .4em;
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.4em auto;
        }
        .article-empty {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--line);
        }
        .article-empty h2 {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .article-empty a {
            color: var(--accent);
            font-weight: 600;
        }

        /* Sidebar */
        .article-sidebar {
            position: sticky;
            top: 100px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--line);
            box-shadow: var(--shadow-sm);
            padding: 26px 22px;
            margin-bottom: 20px;
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-link {
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid var(--line);
            font-size: .92rem;
            color: var(--text-main);
            transition: color .2s;
        }
        .sidebar-link:hover {
            color: var(--accent);
        }

        /* Footer */
        .site-footer {
            background: #0a1728;
            color: rgba(255, 255, 255, 0.6);
            padding-top: 60px;
            margin-top: 40px;
        }
        .footer-brand {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }
        .footer-desc {
            font-size: .9rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }
        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
            font-size: 1rem;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: .9rem;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 40px;
            padding: 20px 0;
            font-size: .85rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, 0.35);
        }

        @media (max-width: 992px) {
            .navbar-collapse {
                background: rgba(255, 255, 255, 0.98);
                border-radius: 16px;
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
            }
            .article-wrap {
                padding-top: 115px;
            }
        }
        @media (max-width: 768px) {
            .article-main {
                padding: 24px 18px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2563eb;
            --primary-rgb: 37, 99, 235;
            --primary-dark: #1e40af;
            --primary-light: #dbeafe;
            --accent: #f97316;
            --accent-rgb: 249, 115, 22;
            --dark: #0f172a;
            --dark-rgb: 15, 23, 42;
            --text: #1e293b;
            --muted: #64748b;
            --bg: #f8fafc;
            --card-bg: #ffffff;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, .14);
            --transition: .3s ease;
            --nav-height: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding: 0 24px;
        }
        .section {
            padding: 90px 0;
        }
        .section-head {
            margin-bottom: 44px;
        }
        .section-head .sec-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.25;
            margin-bottom: 10px;
            letter-spacing: -1px;
        }
        .section-head p {
            color: var(--muted);
            font-size: 16px;
            max-width: 560px;
            margin: 0;
        }
        .section-head.center {
            text-align: center;
        }
        .section-head.center p {
            margin: 0 auto;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, .55);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .08);
            transition: background .35s ease, box-shadow .35s ease, border-color .35s ease;
        }
        .site-header.scrolled {
            background: rgba(15, 23, 42, .92);
            box-shadow: 0 8px 32px rgba(2, 6, 23, .35);
            border-bottom-color: rgba(255, 255, 255, .05);
        }
        .site-header .navbar {
            padding: 14px 0;
            min-height: var(--nav-height);
        }
        .site-header .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 22px;
            color: #fff;
            letter-spacing: .5px;
        }
        .site-header .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(37, 99, 235, .4);
        }
        .site-header .brand-text {
            font-weight: 800;
        }
        .site-header .brand-tag {
            font-size: 12px;
            font-weight: 700;
            background: var(--accent);
            color: #fff;
            padding: 2px 8px;
            border-radius: 20px;
            margin-left: 4px;
            vertical-align: 2px;
            letter-spacing: 1px;
        }
        .site-header .nav-link {
            color: rgba(255, 255, 255, .88) !important;
            font-weight: 500;
            font-size: 15px;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: color .25s, background .25s;
        }
        .site-header .nav-link:hover {
            color: #fff !important;
            background: rgba(255, 255, 255, .08);
        }
        .site-header .nav-link.active {
            color: #fff !important;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(37, 99, 235, .34);
        }
        .site-header .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: #fff;
            border: none;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 30px;
            transition: transform .25s, box-shadow .25s, background .25s;
        }
        .site-header .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, .35);
            background: #ea580c;
            color: #fff;
        }
        .site-header .navbar-toggler {
            border: none;
            color: #fff;
            font-size: 20px;
            padding: 4px 8px;
            background: rgba(255, 255, 255, .1);
            border-radius: 8px;
            width: 42px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .site-header .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(37, 99, 235, .4);
        }

        .page-hero {
            min-height: 480px;
            display: flex;
            align-items: center;
            background: linear-gradient(120deg, rgba(2, 6, 23, .92) 0%, rgba(30, 58, 138, .82) 55%, rgba(37, 99, 235, .6) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 140px 0 100px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(transparent, var(--bg));
            pointer-events: none;
        }
        .page-hero .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            background: rgba(255, 255, 255, .1);
            padding: 6px 14px;
            border-radius: 30px;
            margin-bottom: 22px;
            -webkit-backdrop-filter: blur(8px);
            backdrop-filter: blur(8px);
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, .75);
        }
        .page-hero .breadcrumb a:hover {
            color: #fff;
        }
        .page-hero .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, .5);
        }
        .page-hero h1 {
            font-size: 52px;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -1.5px;
            margin-bottom: 18px;
        }
        .page-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, .85);
            max-width: 640px;
            margin-bottom: 28px;
        }
        .page-hero .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-solid {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: 30px;
            border: none;
            transition: transform .25s, box-shadow .25s, background .25s;
        }
        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(249, 115, 22, .35);
            background: #ea580c;
            color: #fff;
        }
        .btn-ghost-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 26px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, .3);
            transition: background .25s, border-color .25s, transform .25s;
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, .22);
            border-color: rgba(255, 255, 255, .5);
            color: #fff;
            transform: translateY(-2px);
        }

        .stats-bar {
            padding: 40px 0;
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
            position: relative;
            z-index: 2;
        }
        .stats-bar .stat-item {
            text-align: center;
            padding: 16px 0;
        }
        .stats-bar .stat-num {
            font-size: 42px;
            font-weight: 900;
            color: var(--dark);
            line-height: 1.2;
            letter-spacing: -1px;
        }
        .stats-bar .stat-num em {
            font-style: normal;
            color: var(--primary);
            font-size: 22px;
            margin-left: 2px;
        }
        .stats-bar .stat-label {
            font-size: 14px;
            color: var(--muted);
            margin-top: 4px;
            letter-spacing: 1px;
        }

        .cat-section {
            background: var(--bg);
            padding: 90px 0;
        }
        .cat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: transform .35s, box-shadow .35s;
            height: 100%;
        }
        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .cat-card .card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .cat-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .cat-card:hover .card-img img {
            transform: scale(1.06);
        }
        .cat-card .card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, .32) 100%);
        }
        .cat-card .card-body {
            padding: 24px;
            position: relative;
        }
        .cat-card .card-icon {
            position: absolute;
            top: -20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: 0 6px 16px rgba(37, 99, 235, .35);
            z-index: 2;
        }
        .cat-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--muted);
            margin-bottom: 16px;
            line-height: 1.65;
        }
        .cat-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }
        .cat-card .card-link i {
            transition: transform .25s;
        }
        .cat-card .card-link:hover i {
            transform: translateX(4px);
        }

        .news-section {
            background: #fff;
            padding: 90px 0;
        }
        .news-feature {
            background: var(--dark);
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            height: 100%;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            transition: box-shadow .35s;
        }
        .news-feature:hover {
            box-shadow: var(--shadow-lg);
        }
        .news-feature img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .55;
            transition: transform .5s ease;
        }
        .news-feature:hover img {
            transform: scale(1.04);
        }
        .news-feature .feat-content {
            position: relative;
            z-index: 2;
            padding: 28px;
            background: linear-gradient(180deg, transparent, rgba(2, 6, 23, .85) 55%);
            width: 100%;
        }
        .news-feature .feat-content .feat-tag {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: .5px;
        }
        .news-feature .feat-content h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
        }
        .news-feature .feat-content p {
            color: rgba(255, 255, 255, .75);
            font-size: 14px;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-feature .feat-meta {
            display: flex;
            gap: 16px;
            color: rgba(255, 255, 255, .6);
            font-size: 13px;
        }
        .news-feature .feat-meta i {
            margin-right: 4px;
        }
        .news-list-wrap {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-list-item {
            display: flex;
            gap: 16px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 14px;
            transition: box-shadow .25s, transform .25s;
            align-items: center;
        }
        .news-list-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .news-list-item .thumb {
            width: 110px;
            height: 80px;
            border-radius: 8px;
            overflow: hidden;
            flex-shrink: 0;
            position: relative;
        }
        .news-list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .news-list-item:hover .thumb img {
            transform: scale(1.08);
        }
        .news-list-item .item-body {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .item-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 10px;
            border-radius: 20px;
            margin-bottom: 6px;
            letter-spacing: .5px;
        }
        .news-list-item h4 {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.45;
            color: var(--text);
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-list-item .item-meta {
            font-size: 12px;
            color: var(--muted);
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .news-list-item .item-meta i {
            font-size: 11px;
            margin-right: 2px;
        }

        .topic-section {
            background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 100%);
            padding: 90px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .topic-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(37, 99, 235, .25);
            filter: blur(80px);
        }
        .topic-section .section-head h2 {
            color: #fff;
        }
        .topic-section .section-head p {
            color: rgba(255, 255, 255, .75);
        }
        .topic-section .section-head .sec-badge {
            background: rgba(255, 255, 255, .15);
            color: #fff;
        }
        .topic-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius);
            padding: 28px;
            height: 100%;
            transition: background .3s, border-color .3s, transform .3s;
            position: relative;
            z-index: 2;
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
        }
        .topic-card:hover {
            background: rgba(255, 255, 255, .12);
            border-color: rgba(255, 255, 255, .25);
            transform: translateY(-4px);
        }
        .topic-card .topic-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 8px 20px rgba(37, 99, 235, .4);
            margin-bottom: 18px;
        }
        .topic-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }
        .topic-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .topic-card .topic-more {
            color: #93c5fd;
            font-size: 14px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .topic-card .topic-more i {
            transition: transform .25s;
        }
        .topic-card .topic-more:hover {
            color: #fff;
        }
        .topic-card .topic-more:hover i {
            transform: translateX(4px);
        }

        .expert-section {
            background: var(--bg);
            padding: 90px 0;
        }
        .expert-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px;
            height: 100%;
            transition: box-shadow .3s, transform .3s;
            position: relative;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .expert-card::before {
            content: '\201C';
            position: absolute;
            top: 14px;
            right: 24px;
            font-size: 60px;
            font-family: Georgia, serif;
            color: var(--primary-light);
            line-height: 1;
        }
        .expert-card .expert-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 18px;
        }
        .expert-card .expert-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            flex-shrink: 0;
        }
        .expert-card .expert-head .ex-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
        }
        .expert-card .expert-head .ex-role {
            font-size: 13px;
            color: var(--muted);
        }
        .expert-card .ex-view {
            font-size: 15px;
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            font-style: italic;
        }

        .faq-section {
            background: #fff;
            padding: 90px 0;
        }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 22px 28px;
            margin-bottom: 14px;
            background: var(--bg);
            transition: border-color .25s, box-shadow .25s;
        }
        .faq-item:hover {
            border-color: rgba(37, 99, 235, .3);
            box-shadow: var(--shadow);
        }
        .faq-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--primary);
            font-size: 14px;
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-light);
            border-radius: 50%;
        }
        .faq-item p {
            font-size: 15px;
            color: var(--muted);
            line-height: 1.7;
            margin: 0;
            padding-left: 34px;
        }

        .cta-section {
            padding: 90px 0;
            background: linear-gradient(120deg, rgba(2, 6, 23, .9), rgba(30, 58, 138, .8)),
                url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }
        .cta-section .cta-inner {
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 900;
            margin-bottom: 18px;
            letter-spacing: -1px;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 32px;
        }
        .cta-section .btn-lg {
            font-size: 16px;
            padding: 14px 36px;
        }

        .site-footer {
            background: #0b1220;
            color: #94a3b8;
            padding: 70px 0 0;
            font-size: 15px;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--primary), #60a5fa);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
        }
        .site-footer .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: #64748b;
            max-width: 320px;
            margin-bottom: 0;
        }
        .site-footer .footer-title {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .site-footer .footer-links li {
            margin-bottom: 10px;
        }
        .site-footer .footer-links a {
            color: #64748b;
            transition: color .25s, padding-left .25s;
        }
        .site-footer .footer-links a:hover {
            color: var(--primary);
            padding-left: 6px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            margin-top: 50px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: #475569;
            flex-wrap: wrap;
            gap: 8px;
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                background: rgba(15, 23, 42, .95);
                border-radius: 16px;
                padding: 16px;
                margin-top: 12px;
                border: 1px solid rgba(255, 255, 255, .1);
            }
            .site-header .nav-link {
                padding: 10px 16px !important;
            }
            .site-header .nav-cta {
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }
            .page-hero {
                min-height: 420px;
                padding: 120px 0 70px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
            .section {
                padding: 70px 0;
            }
            .section-head h2 {
                font-size: 30px;
            }
            .stats-bar .stat-num {
                font-size: 32px;
            }
            .news-feature {
                min-height: 340px;
                margin-bottom: 24px;
            }
            .cta-section h2 {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }
            .page-hero {
                min-height: 380px;
                padding: 110px 0 60px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero p {
                font-size: 16px;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .stats-bar .stat-item {
                padding: 10px 0;
            }
            .stats-bar .stat-num {
                font-size: 28px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-list-item .thumb {
                width: 100%;
                height: 160px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section .btn-lg {
                font-size: 15px;
                padding: 12px 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .section-head h2 {
                font-size: 22px;
            }
            .news-feature .feat-content h3 {
                font-size: 18px;
            }
            .faq-item {
                padding: 18px 20px;
            }
            .faq-item p {
                padding-left: 0;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root {
            --primary: #1456e8;
            --primary-dark: #0d3fa8;
            --primary-light: #4d89f5;
            --primary-rgb: 20, 86, 232;
            --accent: #f5a623;
            --accent-rgb: 245, 166, 35;
            --dark: #09122b;
            --dark-soft: #0e1a3a;
            --bg: #f4f6fb;
            --surface: #ffffff;
            --text-main: #1c2740;
            --text-regular: #455571;
            --text-muted: #7c8aa5;
            --border: #e3e9f2;
            --radius-sm: 8px;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow-xs: 0 2px 8px rgba(9, 18, 43, .05);
            --shadow-sm: 0 4px 16px rgba(9, 18, 43, .07);
            --shadow-md: 0 12px 32px rgba(9, 18, 43, .10);
            --shadow-lg: 0 20px 48px rgba(9, 18, 43, .14);
            --transition: .3s cubic-bezier(.4, 0, .2, 1);
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: inline-block;
        }
        button,
        input {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
        }
        .section {
            padding: 88px 0;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(var(--primary-rgb), .08);
            color: var(--primary);
            font-size: .82rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 100px;
            letter-spacing: .04em;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(1.55rem, 2.4vw, 2.1rem);
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .section-sub {
            color: var(--text-regular);
            font-size: .98rem;
            max-width: 680px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1090;
            background: rgba(255, 255, 255, .62);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, .6);
            transition: background .4s ease, box-shadow .4s ease, border-color .4s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .94);
            backdrop-filter: blur(22px);
            box-shadow: 0 8px 30px rgba(9, 18, 43, .08);
            border-bottom-color: rgba(227, 233, 242, .9);
        }
        .site-header .navbar {
            padding: 14px 0;
            transition: padding .3s ease;
        }
        .site-header.scrolled .navbar {
            padding: 10px 0;
        }
        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.18rem;
            color: var(--text-main) !important;
            letter-spacing: .01em;
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 10px;
            font-size: .95rem;
            box-shadow: 0 4px 12px rgba(var(--primary-rgb), .28);
        }
        .brand-text {
            line-height: 1.1;
        }
        .brand-tag {
            display: inline-block;
            font-size: .68rem;
            font-weight: 700;
            background: rgba(var(--accent-rgb), .16);
            color: #b9761a;
            padding: 2px 7px;
            border-radius: 50px;
            margin-left: 6px;
            vertical-align: 2px;
        }
        .navbar-nav .nav-link {
            font-size: .94rem;
            font-weight: 500;
            color: var(--text-regular);
            padding: 8px 16px !important;
            border-radius: 99px;
            transition: color var(--transition), background var(--transition);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary);
            background: rgba(var(--primary-rgb), .06);
        }
        .navbar-nav .nav-link.active {
            color: var(--primary);
            font-weight: 600;
            background: rgba(var(--primary-rgb), .08);
        }
        .nav-cta {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 100px;
            padding: 10px 24px;
            font-size: .9rem;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(var(--primary-rgb), .24);
            transition: all var(--transition);
        }
        .nav-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(var(--primary-rgb), .32);
        }
        .navbar-toggler {
            border: none;
            color: var(--text-main);
            font-size: 1.25rem;
            padding: 4px 10px;
            border-radius: 10px;
            background: rgba(var(--primary-rgb), .06);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid rgba(var(--primary-rgb), .4);
        }
        .page-banner {
            position: relative;
            padding: 168px 0 72px;
            background: linear-gradient(135deg, rgba(9, 18, 43, .86), rgba(20, 86, 232, .55)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .page-banner::after {
            content: "";
            position: absolute;
            inset: auto -10% -60% 40%;
            width: 60%;
            height: 100%;
            background: radial-gradient(circle at center, rgba(255, 255, 255, .10), transparent 60%);
            pointer-events: none;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-custom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            font-size: .85rem;
            color: rgba(255, 255, 255, .7);
            margin-bottom: 20px;
            gap: 6px;
        }
        .breadcrumb-custom a {
            color: rgba(255, 255, 255, .85);
        }
        .breadcrumb-custom a:hover {
            color: #fff;
        }
        .breadcrumb-custom .sep {
            color: rgba(255, 255, 255, .4);
            margin: 0 2px;
        }
        .breadcrumb-custom .current {
            color: rgba(255, 255, 255, .95);
            font-weight: 600;
            max-width: 260px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
        }
        .article-hero-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            line-height: 1.32;
            margin-bottom: 20px;
            letter-spacing: .01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .82);
        }
        .article-meta .badge-custom {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .18);
            color: #fff;
            padding: 5px 14px;
            border-radius: 100px;
            font-size: .82rem;
            font-weight: 500;
            backdrop-filter: blur(6px);
        }
        .article-meta i {
            opacity: .85;
        }
        .article-section {
            padding: 60px 0 72px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 36px;
            align-items: start;
        }
        .article-main-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            overflow: hidden;
        }
        .article-body {
            font-size: 1rem;
            line-height: 1.9;
            color: var(--text-regular);
            word-break: break-word;
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body h2 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
            margin: 34px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 26px 0 12px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius);
            margin: 22px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body blockquote {
            background: #f0f4fd;
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius) var(--radius) 0;
            margin: 24px 0;
            color: var(--text-regular);
            font-style: normal;
        }
        .article-body blockquote p {
            margin-bottom: 0;
        }
        .article-body ul,
        .article-body ol {
            padding-left: 20px;
            margin-bottom: 20px;
        }
        .article-body li {
            margin-bottom: 6px;
        }
        .article-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-body a:hover {
            color: var(--primary-dark);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: .92rem;
        }
        .article-body table th,
        .article-body table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-body table th {
            background: #f0f4fb;
            font-weight: 600;
            color: var(--text-main);
        }
        .article-body table tr:nth-child(even) td {
            background: #fafbfe;
        }
        .article-footer-meta {
            border-top: 1px solid var(--border);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 14px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: #f1f4fc;
            color: var(--text-regular);
            font-size: .8rem;
            padding: 5px 13px;
            border-radius: 100px;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .tag-item:hover {
            background: rgba(var(--primary-rgb), .08);
            color: var(--primary);
            border-color: rgba(var(--primary-rgb), .3);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .share-label {
            font-size: .82rem;
            color: var(--text-muted);
            margin-right: 4px;
        }
        .share-btn {
            width: 34px;
            height: 34px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #f1f4fc;
            color: var(--text-regular);
            border-radius: 10px;
            font-size: .85rem;
            transition: all var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .side-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-xs);
            padding: 24px;
            margin-bottom: 24px;
        }
        .side-card-title {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .side-card-title i {
            color: var(--primary);
            font-size: .95rem;
        }
        .side-info-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-info-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 9px 0;
            border-bottom: 1px dashed var(--border);
            font-size: .88rem;
            color: var(--text-regular);
        }
        .side-info-list li:last-child {
            border-bottom: none;
        }
        .side-info-list i {
            color: var(--primary);
            width: 18px;
            text-align: center;
            opacity: .8;
        }
        .side-info-list .info-value {
            color: var(--text-main);
            font-weight: 600;
        }
        .side-hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .side-hot-list li {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
        }
        .side-hot-list li:last-child {
            border-bottom: none;
        }
        .hot-num {
            width: 26px;
            height: 26px;
            flex: 0 0 26px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: #eef2fa;
            color: var(--text-muted);
            border-radius: 8px;
            font-size: .75rem;
            font-weight: 700;
        }
        .hot-num.hot {
            background: var(--primary);
            color: #fff;
        }
        .hot-link {
            font-size: .88rem;
            line-height: 1.5;
            color: var(--text-regular);
            transition: color var(--transition);
        }
        .hot-link:hover {
            color: var(--primary);
        }
        .side-cta-card {
            background: linear-gradient(135deg, var(--dark), var(--dark-soft));
            border: none;
            color: #fff;
        }
        .side-cta-card .side-card-title {
            color: #fff;
        }
        .side-cta-text {
            font-size: .87rem;
            color: rgba(255, 255, 255, .75);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .side-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--dark);
            font-size: .85rem;
            font-weight: 600;
            padding: 9px 18px;
            border-radius: 100px;
            transition: all var(--transition);
        }
        .side-cta-btn:hover {
            background: var(--accent);
            color: var(--dark);
            transform: translateY(-2px);
        }
        .not-found-box {
            text-align: center;
            padding: 60px 20px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
        }
        .not-found-icon {
            font-size: 2.8rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            display: block;
        }
        .not-found-box h2 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .not-found-box p {
            color: var(--text-regular);
            margin-bottom: 22px;
        }
        .back-home-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border-radius: 100px;
            padding: 10px 26px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
        }
        .back-home-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(var(--primary-rgb), .28);
        }
        .related-section {
            background: var(--surface);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            border: 1px solid transparent;
            overflow: hidden;
            transition: all var(--transition);
            height: 100%;
        }
        .related-card:hover {
            background: #fff;
            border-color: var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .related-img {
            width: 100%;
            height: 168px;
            object-fit: cover;
            display: block;
            border-radius: 0;
        }
        .related-body {
            padding: 20px;
        }
        .related-body h3 {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text-main);
            transition: color var(--transition);
        }
        .related-card:hover .related-body h3 {
            color: var(--primary);
        }
        .related-body p {
            font-size: .84rem;
            color: var(--text-regular);
            line-height: 1.65;
            margin-bottom: 0;
        }
        .cta-section {
            position: relative;
            padding: 84px 0;
            background: linear-gradient(135deg, rgba(9, 18, 43, .88), rgba(20, 86, 232, .56)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
        }
        .cta-inner {
            text-align: center;
            max-width: 760px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.6vw, 2.1rem);
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            font-size: .98rem;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 30px;
        }
        .cta-btn-group {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }
        .cta-btn-primary,
        .cta-btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 100px;
            font-size: .92rem;
            font-weight: 600;
            transition: all var(--transition);
        }
        .cta-btn-primary {
            background: var(--accent);
            color: var(--dark);
        }
        .cta-btn-primary:hover {
            background: #ffc14d;
            color: var(--dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 166, 35, .35);
        }
        .cta-btn-light {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .22);
            backdrop-filter: blur(8px);
        }
        .cta-btn-light:hover {
            background: rgba(255, 255, 255, .22);
            color: #fff;
            transform: translateY(-2px);
        }
        .faq-section {
            background: var(--bg);
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }
        .accordion-item {
            background: var(--surface);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(9, 18, 43, .02);
        }
        .accordion-button {
            font-weight: 600;
            font-size: .96rem;
            color: var(--text-main);
            background: var(--surface);
            padding: 18px 22px;
            border: none;
            transition: background var(--transition), color var(--transition);
        }
        .accordion-button:not(.collapsed) {
            background: rgba(var(--primary-rgb), .05);
            color: var(--primary);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(var(--primary-rgb), .3);
            outline-offset: -2px;
            border-radius: var(--radius);
        }
        .accordion-button::after {
            background-size: 1rem;
            transition: transform .25s ease;
        }
        .accordion-body {
            padding: 4px 22px 20px;
            color: var(--text-regular);
            font-size: .92rem;
            line-height: 1.75;
        }
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, .75);
            padding: 64px 0 0;
        }
        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer .footer-brand .brand-icon {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            box-shadow: 0 4px 12px rgba(var(--primary-rgb), .25);
        }
        .footer-desc {
            font-size: .88rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, .6);
            max-width: 360px;
        }
        .footer-title {
            color: #fff;
            font-size: .95rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: .02em;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            margin-top: 44px;
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 8px;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-main-card {
                padding: 32px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .page-banner {
                padding: 140px 0 56px;
            }
            .navbar-collapse {
                background: rgba(255, 255, 255, .98);
                border-radius: 16px;
                padding: 16px;
                margin-top: 12px;
                box-shadow: var(--shadow-md);
                border: 1px solid var(--border);
            }
            .navbar-nav .nav-link {
                padding: 10px 14px !important;
                border-radius: 12px;
            }
            .nav-cta {
                margin-left: 0 !important;
                margin-top: 12px;
                width: 100%;
                text-align: center;
            }
            .article-main-card {
                padding: 24px;
            }
            .article-footer-meta {
                flex-direction: column;
                align-items: flex-start;
            }
            .cta-section {
                padding: 64px 0;
            }
        }
        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }
            .page-banner {
                padding: 128px 0 46px;
            }
            .breadcrumb-custom .current {
                max-width: 180px;
            }
            .article-hero-title {
                font-size: 1.35rem;
            }
            .article-meta {
                gap: 10px;
            }
            .article-main-card {
                padding: 20px;
                border-radius: 16px;
            }
            .article-body {
                font-size: .95rem;
            }
            .article-body h2 {
                font-size: 1.18rem;
            }
            .related-img {
                height: 140px;
            }
            .cta-btn-group {
                flex-direction: column;
                width: 100%;
            }
            .cta-btn-primary,
            .cta-btn-light {
                justify-content: center;
                width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #d7263d;
            --primary-dark: #b01c2f;
            --primary-light: #ff6b6b;
            --accent: #f5c518;
            --dark: #0b1a2e;
            --dark-2: #132338;
            --body-bg: #f4f6fa;
            --card-bg: #ffffff;
            --text-main: #1a2332;
            --text-body: #4a5568;
            --text-weak: #8a94a6;
            --border: #e9edf2;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 12px rgba(11, 26, 46, 0.06);
            --shadow-md: 0 8px 30px rgba(11, 26, 46, 0.1);
            --shadow-lg: 0 16px 48px rgba(11, 26, 46, 0.14);
            --transition: all 0.3s ease;
            --gradient-hero: linear-gradient(135deg, #0b1a2e 0%, #132338 60%, #1d3454 100%);
            --gradient-primary: linear-gradient(135deg, #d7263d 0%, #f0455c 100%);
            --section-space: 80px;
        }

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

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

        body {
            font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
            background-color: var(--body-bg);
            color: var(--text-body);
            line-height: 1.75;
            font-size: 16px;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: var(--primary);
            transition: var(--transition);
        }

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

        p {
            margin-bottom: 1rem;
        }

        .container {
            max-width: 1200px;
        }

        /* ---------- Header ---------- */
        .site-header {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(11, 26, 46, 0.35);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 26, 46, 0.92);
            box-shadow: var(--shadow-md);
            border-bottom-color: transparent;
        }

        .navbar {
            padding: 14px 0;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
        }

        .navbar-brand:hover {
            color: #ffffff;
            opacity: 0.9;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--gradient-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(215, 38, 61, 0.4);
        }

        .brand-text {
            font-weight: 900;
            color: #ffffff;
            letter-spacing: 1px;
        }

        .brand-tag {
            display: inline-block;
            background: rgba(245, 197, 24, 0.2);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 6px;
            margin-left: 4px;
            vertical-align: middle;
            border: 1px solid rgba(245, 197, 24, 0.3);
        }

        .navbar-nav .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 8px;
            letter-spacing: 0.3px;
            transition: var(--transition);
            position: relative;
        }

        .navbar-nav .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.06);
        }

        .navbar-nav .nav-link.active {
            color: #ffffff;
            font-weight: 600;
        }

        .navbar-nav .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: transparent;
            padding: 6px 10px;
            border-radius: 8px;
            color: #ffffff;
            line-height: 1;
        }

        .navbar-toggler i {
            font-size: 1.2rem;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 0.2rem rgba(255, 255, 255, 0.2);
        }

        .nav-cta {
            background: var(--gradient-primary);
            border: none;
            color: #ffffff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 10px 24px;
            border-radius: 30px;
            letter-spacing: 0.5px;
            box-shadow: 0 6px 20px rgba(215, 38, 61, 0.35);
            transition: var(--transition);
        }

        .nav-cta:hover {
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(215, 38, 61, 0.45);
        }

        /* ---------- Inner Hero ---------- */
        .page-hero {
            position: relative;
            padding: 180px 0 100px;
            background: var(--gradient-hero);
            background-image: url('/assets/images/backpic/back-2.png'), var(--gradient-hero);
            background-size: cover;
            background-position: center;
            color: #ffffff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 46, 0.55) 0%, rgba(11, 26, 46, 0.75) 100%);
        }

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

        .page-hero .badge-hero {
            display: inline-block;
            background: rgba(245, 197, 24, 0.15);
            border: 1px solid rgba(245, 197, 24, 0.4);
            color: var(--accent);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

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

        .page-hero p.lead {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            line-height: 1.8;
        }

        .hero-stats {
            margin-top: 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
        }

        .hero-stat-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-md);
            padding: 12px 22px;
            text-align: center;
            min-width: 110px;
        }

        .hero-stat-item .num {
            font-size: 1.6rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.3;
        }

        .hero-stat-item .label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
        }

        /* ---------- Breadcrumb ---------- */
        .page-breadcrumb {
            padding: 18px 0;
            background: transparent;
            margin-bottom: 0;
        }

        .page-breadcrumb .breadcrumb {
            margin: 0;
            font-size: 0.85rem;
            background: transparent;
        }

        .page-breadcrumb .breadcrumb-item a {
            color: var(--text-body);
        }

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

        .page-breadcrumb .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 500;
        }

        /* ---------- Section base ---------- */
        .section-space {
            padding: var(--section-space) 0;
        }

        .section-alt {
            background: #ffffff;
        }

        .section-head {
            margin-bottom: 44px;
        }

        .section-head .tag-line {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            background: rgba(215, 38, 61, 0.08);
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 0.8px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }

        .section-head p {
            color: var(--text-weak);
            max-width: 680px;
        }

        /* ---------- Sport Cards Grid ---------- */
        .sport-card {
            background: var(--card-bg);
            border: none;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid rgba(233, 237, 242, 0.8);
        }

        .sport-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .sport-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
        }

        .sport-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .sport-card .card-img-wrap .category-overlay {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(215, 38, 61, 0.92);
            color: #ffffff;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            backdrop-filter: blur(4px);
        }

        .sport-card .card-body {
            padding: 22px 24px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .sport-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .sport-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            flex: 1;
        }

        .sport-card .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .sport-card .card-tags .tag {
            font-size: 0.72rem;
            background: #f1f4f9;
            color: var(--text-weak);
            padding: 3px 10px;
            border-radius: 20px;
            font-weight: 500;
        }

        .sport-card .card-link {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .sport-card .card-link i {
            transition: transform 0.3s ease;
        }

        .sport-card .card-link:hover i {
            transform: translateX(4px);
        }

        /* ---------- Feature / 知识卡片 ---------- */
        .knowledge-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .knowledge-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--gradient-primary);
            opacity: 0;
            transition: var(--transition);
        }

        .knowledge-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

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

        .knowledge-card .k-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: rgba(215, 38, 61, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .knowledge-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .knowledge-card p {
            font-size: 0.85rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ---------- 步骤流程 ---------- */
        .steps-section {
            background: var(--gradient-hero);
            background-image: url('/assets/images/backpic/back-3.png'), var(--gradient-hero);
            background-size: cover;
            background-position: center;
            position: relative;
            color: #ffffff;
        }

        .steps-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(11, 26, 46, 0.85);
        }

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

        .steps-section .section-head .tag-line {
            background: rgba(245, 197, 24, 0.15);
            color: var(--accent);
            border: 1px solid rgba(245, 197, 24, 0.25);
        }

        .steps-section .section-head h2 {
            color: #ffffff;
        }

        .steps-section .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }

        .step-item {
            position: relative;
            padding: 28px 22px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            height: 100%;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-4px);
        }

        .step-number {
            font-size: 2.2rem;
            font-weight: 900;
            color: rgba(245, 197, 24, 0.35);
            -webkit-text-stroke: 1px var(--accent);
            line-height: 1;
            margin-bottom: 14px;
        }

        .step-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.84rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ---------- 数据板块 ---------- */
        .data-band {
            background: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .data-item {
            text-align: center;
            padding: 30px 16px;
        }

        .data-item .data-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .data-item .data-label {
            font-size: 0.86rem;
            color: var(--text-weak);
            font-weight: 500;
        }

        /* ---------- 指南列表 ---------- */
        .guide-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .guide-list li {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }

        .guide-list li:last-child {
            border-bottom: none;
        }

        .guide-list .g-icon {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: rgba(215, 38, 61, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }

        .guide-list .g-content h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .guide-list .g-content p {
            font-size: 0.85rem;
            color: var(--text-weak);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .guide-list .g-content a {
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* ---------- FAQ ---------- */
        .faq-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-card:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-card .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }

        .faq-card .faq-q i {
            color: var(--primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .faq-card .faq-a {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            font-size: 0.87rem;
            color: var(--text-body);
            line-height: 1.75;
        }

        .faq-card.open .faq-a {
            padding: 0 22px 18px;
            max-height: 320px;
        }

        .faq-card.open .faq-q i {
            transform: rotate(180deg);
        }

        /* ---------- CTA ---------- */
        .cta-section {
            background: var(--gradient-primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            color: #ffffff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 16px 40px rgba(215, 38, 61, 0.3);
        }

        .cta-section::before {
            content: "\f1e3";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: -30px;
            bottom: -40px;
            font-size: 10rem;
            color: rgba(255, 255, 255, 0.08);
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-section p {
            opacity: 0.9;
            font-size: 0.98rem;
            max-width: 560px;
        }

        .btn-cta-light {
            background: #ffffff;
            color: var(--primary);
            font-weight: 700;
            padding: 12px 32px;
            border-radius: 30px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-cta-light:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.25);
            color: var(--primary-dark);
        }

        /* ---------- Footer ---------- */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-icon {
            width: 38px;
            height: 38px;
            font-size: 0.9rem;
        }

        .site-footer .footer-desc {
            font-size: 0.87rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.8;
        }

        .site-footer .footer-title {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .site-footer .footer-links li {
            margin-bottom: 10px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.87rem;
            transition: var(--transition);
        }

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

        .site-footer .footer-bottom {
            margin-top: 50px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ---------- 通用按钮 ---------- */
        .btn-outline-light-custom {
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #ffffff;
            padding: 10px 26px;
            border-radius: 30px;
            font-weight: 500;
            transition: var(--transition);
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #ffffff;
            color: #ffffff;
        }

        /* ---------- 响应式 ---------- */
        @media (max-width: 1024px) {
            :root {
                --section-space: 64px;
            }

            .page-hero {
                padding: 160px 0 80px;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }
        }

        @media (max-width: 768px) {
            .navbar-collapse {
                background: var(--dark-2);
                border-radius: var(--radius-md);
                padding: 16px;
                margin-top: 12px;
                box-shadow: var(--shadow-lg);
            }

            .navbar-nav .nav-link {
                padding: 10px 14px;
            }

            .navbar-nav .nav-link.active::after {
                bottom: 6px;
            }

            .nav-cta {
                margin-top: 10px;
                display: inline-block;
                text-align: center;
                margin-left: 14px !important;
            }

            .page-hero {
                padding: 140px 0 70px;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero p.lead {
                font-size: 0.95rem;
            }

            .hero-stats {
                gap: 10px;
            }

            .hero-stat-item {
                min-width: 90px;
                padding: 10px 14px;
            }

            .hero-stat-item .num {
                font-size: 1.2rem;
            }

            .section-head h2 {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 36px 24px;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .site-footer {
                padding-top: 50px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            body {
                font-size: 15px;
            }

            .page-hero {
                padding: 130px 0 60px;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .page-hero .badge-hero {
                font-size: 0.72rem;
            }

            .section-space {
                --section-space: 52px;
            }

            .section-head h2 {
                font-size: 1.4rem;
            }

            .sport-card .card-body {
                padding: 18px 18px 14px;
            }

            .step-item {
                padding: 20px 16px;
            }

            .cta-section {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

            .cta-section .btn-cta-light,
            .cta-section .btn-outline-light-custom {
                width: 100%;
                margin-bottom: 10px;
            }

            .data-item .data-num {
                font-size: 1.8rem;
            }

            .knowledge-card {
                padding: 22px 18px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            * {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ---------- Scrollbar ---------- */
        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: #f1f4f9;
        }

        ::-webkit-scrollbar-thumb {
            background: #ccd3e0;
            border-radius: 6px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ------------- 其他分组样式 ---------------- */
        .insight-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 22px;
            height: 100%;
            transition: var(--transition);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

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

        .insight-card .num {
            flex-shrink: 0;
            font-size: 1.6rem;
            font-weight: 900;
            color: rgba(215, 38, 61, 0.25);
            line-height: 1;
            margin-top: 4px;
        }

        .insight-card h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .insight-card p {
            font-size: 0.83rem;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.65;
        }

        .more-view .btn {
            border-radius: 30px;
            padding: 10px 30px;
            font-weight: 500;
        }