/* roulang page: index */
:root {
            --primary-900: #0f1c36;
            --primary-800: #182840;
            --primary-700: #1f3450;
            --primary-600: #2b4460;
            --accent: #d4a853;
            --cta: #f06a3a;
            --bg-light: #f5f7fa;
            --text-main: #1a1f36;
            --text-weak: #6b7280;
            --border-soft: #e5e9f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            line-height: 1.6;
            color: var(--text-main);
            background: var(--bg-light);
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header/Nav ===== */
        .site-header {
            background: rgba(15, 28, 54, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 24px;
            color: #fff;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #b8860b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #0f1c36;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.4);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .main-nav a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 18px;
            border-radius: 8px;
            transition: all 0.3s ease;
            position: relative;
        }

        .main-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }

        .main-nav a.active {
            color: #fff;
            background: rgba(212, 168, 83, 0.22);
            box-shadow: inset 0 0 0 1px rgba(212, 168, 83, 0.3);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: linear-gradient(135deg, var(--accent), #b8860b);
            color: #0f1c36;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 24px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 16px rgba(212, 168, 83, 0.35);
        }

        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(212, 168, 83, 0.45);
        }

        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            cursor: pointer;
            border: none;
        }

        @media (max-width: 1024px) {
            .main-nav {
                gap: 4px;
            }

            .main-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(15, 28, 54, 0.98);
                flex-direction: column;
                padding: 16px;
                gap: 8px;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
            }

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

            .main-nav a {
                width: 100%;
                text-align: center;
                padding: 12px;
            }

            .nav-toggle {
                display: flex;
            }

            .header-cta .btn-login {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        /* ===== Hero ===== */
        .hero {
            min-height: 92vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 28, 54, 0.88), rgba(15, 28, 54, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(transparent, var(--bg-light));
        }

        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(212, 168, 83, 0.2);
            border: 1px solid rgba(212, 168, 83, 0.4);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--accent);
            margin-bottom: 24px;
        }

        .hero-badge i {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

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

        .hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #b8860b);
            color: #0f1c36;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            transition: all 0.3s ease;
            box-shadow: 0 4px 20px rgba(212, 168, 83, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(212, 168, 83, 0.5);
        }

        .btn-outline {
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            font-weight: 500;
            padding: 13px 30px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .hero-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-top: 8px;
        }

        @media (max-width: 1024px) {
            .hero .container {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero h1 {
                font-size: 40px;
            }

            .hero-stats {
                max-width: 500px;
            }
        }

        @media (max-width: 768px) {
            .hero {
                padding: 100px 0 60px;
            }

            .hero h1 {
                font-size: 32px;
            }

            .hero p {
                font-size: 16px;
            }

            .hero-btns {
                flex-direction: column;
                align-items: stretch;
            }

            .btn-primary,
            .btn-outline {
                text-align: center;
                justify-content: center;
            }

            .stat-card {
                padding: 16px;
            }

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

        /* ===== Section Common ===== */
        .section {
            padding: 88px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 56px;
            max-width: 640px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            background: rgba(212, 168, 83, 0.12);
            color: #8a6a1f;
            font-size: 13px;
            font-weight: 600;
            border-radius: 50px;
            padding: 6px 18px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
            border: 1px solid rgba(212, 168, 83, 0.3);
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 12px;
            color: var(--primary-900);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 28px;
            }
        }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: 0 4px 24px rgba(15, 28, 54, 0.06);
            border: 1px solid var(--border-soft);
            transition: all 0.4s ease;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #f06a3a);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 12px 36px rgba(15, 28, 54, 0.1);
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: rgba(212, 168, 83, 0.15);
            color: #8a6a1f;
        }

        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--primary-900);
        }

        .feature-card p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
        }

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

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

            .feature-card {
                padding: 24px;
            }
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }

        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
            box-shadow: 0 4px 24px rgba(15, 28, 54, 0.08);
            transition: all 0.4s ease;
            border: 1px solid var(--border-soft);
        }

        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 40px rgba(15, 28, 54, 0.16);
        }

        .category-card img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .category-card .overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(15, 28, 54, 0.1) 0%, rgba(15, 28, 54, 0.85) 100%);
        }

        .category-body {
            position: relative;
            z-index: 2;
            padding: 32px;
            color: #fff;
            width: 100%;
        }

        .category-body h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-body p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            transition: gap 0.3s ease;
        }

        .category-link:hover {
            gap: 14px;
        }

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

            .category-card {
                min-height: 220px;
            }
        }

        /* ===== Content List ===== */
        .content-section {
            background: #fff;
            border-top: 1px solid var(--border-soft);
            border-bottom: 1px solid var(--border-soft);
        }

        .content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .content-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-soft);
            transition: all 0.3s ease;
            display: block;
        }

        .content-card:hover {
            background: #fff;
            box-shadow: 0 8px 28px rgba(15, 28, 54, 0.1);
            transform: translateY(-3px);
            border-color: rgba(212, 168, 83, 0.4);
        }

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

        .card-cat {
            background: rgba(212, 168, 83, 0.15);
            color: #8a6a1f;
            font-size: 12px;
            font-weight: 600;
            border-radius: 50px;
            padding: 4px 14px;
        }

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

        .content-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary-900);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .content-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .empty-tip {
            text-align: center;
            padding: 60px 20px;
            color: var(--text-weak);
            font-size: 16px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-soft);
        }

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

            .content-card {
                padding: 20px;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary-900), var(--primary-700)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

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

        .stats-box {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 16px;
            transition: all 0.3s ease;
        }

        .stats-box:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stats-box .num {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .stats-box .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-top: 10px;
        }

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

            .stats-box .num {
                font-size: 32px;
            }
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .process-step {
            text-align: center;
            padding: 36px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: 0 4px 20px rgba(15, 28, 54, 0.04);
            transition: all 0.3s ease;
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: 0 10px 32px rgba(15, 28, 54, 0.1);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--accent), #b8860b);
            color: #0f1c36;
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 4px 14px rgba(212, 168, 83, 0.3);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--primary-900);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.6;
        }

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

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

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: 0 4px 20px rgba(15, 28, 54, 0.06);
        }

        .faq-q {
            padding: 22px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary-900);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .faq-q:hover {
            background: rgba(212, 168, 83, 0.04);
        }

        .faq-q .icon {
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-q .icon {
            transform: rotate(45deg);
        }

        .faq-a {
            padding: 0 28px 22px;
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }

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

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-800), var(--primary-900));
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -20%;
            width: 140%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(212, 168, 83, 0.1) 0%, transparent 60%);
        }

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

        .cta-title {
            font-size: 36px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        @media (max-width: 768px) {
            .cta-title {
                font-size: 26px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-900);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 32px;
        }

        .footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 40px;
            flex-wrap: wrap;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            max-width: 360px;
        }

        .footer-brand .brand-logo {
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
        }

        .footer-links {
            display: flex;
            gap: 40px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            padding: 4px 0;
            color: rgba(255, 255, 255, 0.65);
            transition: all 0.2s ease;
        }

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

        .footer-bottom {
            padding-top: 28px;
            font-size: 13px;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
        }

        @media (max-width: 768px) {
            .footer-top {
                flex-direction: column;
                gap: 28px;
            }

            .footer-links {
                width: 100%;
                flex-wrap: wrap;
                gap: 24px;
            }
        }

        /* ===== A11y ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(212, 168, 83, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-up {
            animation: fadeInUp 0.6s ease both;
        }

        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
:root {
    --primary: #e63946;
    --primary-dark: #c1121f;
    --secondary: #1d3557;
    --accent: #f4a261;
    --bg: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --radius: 14px;
    --radius-sm: 10px;
    --radius-lg: 22px;
    --shadow-sm: 0 2px 12px rgba(30, 41, 59, 0.06);
    --shadow: 0 8px 30px rgba(30, 41, 59, 0.08);
    --shadow-lg: 0 16px 48px rgba(30, 41, 59, 0.12);
    --transition: all 0.3s ease;
}
* { box-sizing: border-box; }
body {
    font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
.container {
    max-width: 1280px !important;
    margin-left: auto !important;
    margin-right: auto !important;
    padding-left: 1.25rem !important;
    padding-right: 1.25rem !important;
}
a { text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

.site-header {
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 1.15rem;
    color: var(--secondary);
    white-space: nowrap;
}
.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    border-radius: 12px;
    font-size: 1.1rem;
    box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
    flex-shrink: 0;
}
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}
.main-nav a:hover { color: var(--primary); background: #fff1f2; }
.main-nav a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
}
.header-cta { display: flex; align-items: center; gap: 12px; }
.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    background: var(--secondary);
    color: #fff;
    border-radius: 999px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
}
.btn-login:hover {
    background: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
}
.nav-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--secondary);
    cursor: pointer;
    padding: 6px;
    border-radius: 10px;
}
.nav-toggle:focus { outline: 2px solid var(--primary); outline-offset: 2px; }

.article-hero {
    padding: 64px 0 76px;
    background-size: cover;
    background-position: center;
    position: relative;
    color: #fff;
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(13, 20, 35, 0.72) 0%, rgba(13, 20, 35, 0.88) 100%);
}
.article-hero .container { position: relative; z-index: 2; }
.breadcrumb { font-size: 0.85rem; margin-bottom: 18px; opacity: 0.85; }
.breadcrumb a { color: #fff; transition: var(--transition); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb i { font-size: 0.7rem; margin: 0 8px; color: rgba(255,255,255,0.6); }
.hero-tag {
    display: inline-block;
    background: rgba(255,255,255,0.18);
    border: 1px solid rgba(255,255,255,0.3);
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 0.85rem;
    margin-bottom: 16px;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.article-hero h1 {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 800;
    line-height: 1.35;
    margin-bottom: 18px;
    max-width: 920px;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    opacity: 0.85;
}
.article-meta span { display: inline-flex; align-items: center; gap: 7px; }

.article-content-section { padding: 56px 0 64px; }
.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 320px;
    gap: 40px;
    align-items: start;
}
.article-card {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 36px;
    border: 1px solid rgba(226, 232, 240, 0.6);
}
.article-body { font-size: 1rem; line-height: 1.95; color: #334155; word-break: break-word; }
.article-body h2 {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 34px 0 16px;
    padding-left: 14px;
    border-left: 4px solid var(--primary);
    line-height: 1.4;
}
.article-body h3 {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--secondary);
    margin: 26px 0 12px;
}
.article-body p { margin-bottom: 18px; }
.article-body img {
    border-radius: var(--radius);
    max-width: 100%;
    height: auto;
    margin: 24px 0;
    box-shadow: var(--shadow-sm);
}
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: #fffbeb;
    padding: 16px 22px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    color: #92400e;
    font-weight: 500;
}
.article-body ul,
.article-body ol { margin: 16px 0 20px 22px; }
.article-body li { margin-bottom: 8px; }
.article-body a { color: var(--primary); font-weight: 500; transition: var(--transition); }
.article-body a:hover { color: var(--primary-dark); text-decoration: underline; }

.not-found {
    text-align: center;
    padding: 60px 20px;
}
.not-found i { font-size: 3.2rem; color: var(--primary); margin-bottom: 18px; }
.not-found h2 { font-size: 1.6rem; font-weight: 700; color: var(--secondary); margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 24px; }
.not-found a {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 12px 32px;
    border-radius: 999px;
    font-weight: 500;
    transition: var(--transition);
}
.not-found a:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.35); }

.empty-text { color: var(--text-muted); font-size: 0.92rem; padding: 16px 0; }

.sidebar-card {
    background: #fff;
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    margin-bottom: 24px;
    border: 1px solid rgba(226, 232, 240, 0.5);
}
.sidebar-card h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid #f1f5f9;
    position: relative;
}
.sidebar-card h3::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 32px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
}
.side-list { list-style: none; padding: 0; margin: 0; }
.side-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed #e2e8f0;
    font-size: 0.9rem;
}
.side-list li:last-child { border-bottom: none; }
.side-list li i { color: var(--primary); margin-top: 5px; font-size: 0.8rem; }
.side-list a {
    color: #475569;
    transition: var(--transition);
    line-height: 1.6;
    display: block;
}
.side-list a:hover { color: var(--primary); transform: translateX(2px); }
.side-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.side-tags a {
    display: inline-block;
    padding: 5px 14px;
    font-size: 0.78rem;
    background: #f1f5f9;
    border-radius: 999px;
    color: #475569;
    transition: var(--transition);
}
.side-tags a:hover { background: var(--primary); color: #fff; }
.sidebar-cta p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 16px; }
.block-btn { width: 100%; justify-content: center; padding: 11px 16px; }

.related-section {
    padding: 60px 0;
    background: #fff;
    border-top: 1px solid var(--border);
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}
.section-head h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--secondary);
    margin: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}
.section-head h2::after {
    content: '';
    width: 42px;
    height: 4px;
    background: var(--primary);
    border-radius: 4px;
}
.section-more {
    color: var(--primary);
    font-size: 0.9rem;
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
}
.section-more:hover { gap: 10px; color: var(--primary-dark); }
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}
.related-card {
    background: #f8fafc;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
    display: block;
}
.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(230, 57, 70, 0.4);
}
.related-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}
.related-card:hover img { transform: scale(1.04); }
.related-content { padding: 18px 20px 20px; }
.related-content h3 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--secondary);
    line-height: 1.55;
    margin-bottom: 8px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}
.related-date { font-size: 0.78rem; color: var(--text-muted); }
.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 50px 20px;
    color: var(--text-muted);
    background: #f8fafc;
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}

.features-section { padding: 64px 0; background: var(--bg); }
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.feature-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 32px 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(226, 232, 240, 0.5);
    transition: var(--transition);
    text-align: center;
}
.feature-card:hover {
    box-shadow: var(--shadow);
    transform: translateY(-6px);
    border-color: rgba(230, 57, 70, 0.25);
}
.feature-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    box-shadow: 0 6px 16px rgba(230, 57, 70, 0.3);
}
.feature-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, var(--secondary), #2d4a7a);
    box-shadow: 0 6px 16px rgba(29, 53, 87, 0.3);
}
.feature-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #f4a261, #e76f51);
    box-shadow: 0 6px 16px rgba(244, 162, 97, 0.3);
}
.feature-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 10px;
}
.feature-card p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; }

.faq-section { padding: 60px 0; background: #fff; border-top: 1px solid var(--border); }
.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.faq-item {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 24px 26px;
    border: 1px solid rgba(226, 232, 240, 0.6);
    transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-sm); border-color: rgba(230, 57, 70, 0.25); }
.faq-item h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.faq-item h3 i { color: var(--primary); }
.faq-item p { font-size: 0.92rem; color: var(--text-muted); line-height: 1.8; margin: 0; }

.cta-section {
    padding: 72px 0;
    background-size: cover;
    background-position: center;
    position: relative;
    text-align: center;
}
.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(193, 18, 31, 0.9), rgba(29, 53, 87, 0.9));
}
.cta-section .container { position: relative; z-index: 2; }
.cta-inner h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.4rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.cta-inner p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 1rem;
    margin-bottom: 30px;
    max-width: 620px;
    margin-left: auto;
    margin-right: auto;
}
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary-dark);
    font-weight: 600;
    padding: 14px 34px;
    border-radius: 999px;
    font-size: 1rem;
    transition: var(--transition);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.site-footer {
    background: var(--secondary);
    color: #cbd5e1;
    padding: 60px 0 20px;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.2fr 2fr;
    gap: 48px;
    margin-bottom: 40px;
}
.footer-brand .brand-logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.85;
    opacity: 0.8;
    margin: 0;
}
.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}
.footer-col a {
    display: block;
    color: rgba(203, 213, 225, 0.8);
    font-size: 0.88rem;
    padding: 5px 0;
    transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 5px; }
.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    font-size: 0.82rem;
    color: rgba(203, 213, 225, 0.6);
}

@media (max-width: 1024px) {
    .article-layout { grid-template-columns: minmax(0, 1fr) 280px; gap: 28px; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: repeat(2, 1fr); }
    .brand-logo span:last-child { font-size: 1rem; }
}
@media (max-width: 768px) {
    .main-nav {
        position: fixed;
        top: 72px;
        right: -100%;
        width: 280px;
        height: calc(100vh - 72px);
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        padding: 24px;
        gap: 10px;
        box-shadow: -8px 0 30px rgba(0, 0, 0, 0.08);
        transition: right 0.3s ease;
        z-index: 99;
    }
    .main-nav.open { right: 0; }
    .main-nav a { width: 100%; padding: 12px 16px; border-radius: 12px; }
    .nav-toggle { display: block; }
    .article-layout { grid-template-columns: 1fr; }
    .article-card { padding: 24px; }
    .faq-grid { grid-template-columns: 1fr; }
    .footer-top { grid-template-columns: 1fr; gap: 32px; }
    .footer-links { grid-template-columns: repeat(2, 1fr); }
    .features-grid { grid-template-columns: 1fr; }
    .article-hero { padding: 48px 0 60px; }
    .article-content-section { padding: 40px 0 48px; }
    .related-section, .faq-section { padding: 44px 0; }
    .site-header .container { height: 64px; }
    .brand-logo { font-size: 1rem; }
    .btn-login span { display: none; }
}
@media (max-width: 520px) {
    .container { padding-left: 1rem !important; padding-right: 1rem !important; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-links { grid-template-columns: 1fr 1fr; gap: 20px; }
    .brand-logo span:last-child { max-width: 150px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .article-meta { gap: 12px; font-size: 0.82rem; }
    .section-head h2 { font-size: 1.4rem; }
    .feature-card { padding: 24px 20px; }
    .faq-item { padding: 20px; }
}

/* roulang page: category1 */
:root {
    --primary: #0f2b5b;
    --primary-dark: #091c3e;
    --primary-light: #1e4a8a;
    --accent: #e8a33d;
    --accent-dark: #d18b24;
    --accent-light: #f7c56c;
    --bg-body: #f4f6fb;
    --bg-card: #ffffff;
    --text-main: #16233a;
    --text-muted: #5b6b83;
    --border-color: #e3e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-main: 0 10px 40px rgba(15, 43, 91, 0.08);
    --shadow-hover: 0 16px 48px rgba(15, 43, 91, 0.14);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
    background: var(--bg-body);
    color: var(--text-main);
    line-height: 1.7;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input,
textarea {
    font-family: inherit;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ---------- Header 导航 ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(9, 28, 62, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    height: 72px;
    box-shadow: 0 4px 30px rgba(9, 28, 62, 0.2);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 900;
    color: #fff;
    white-space: nowrap;
    letter-spacing: 0.5px;
}

.brand-logo .logo-icon {
    width: 42px;
    height: 42px;
    border-radius: 13px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 19px;
    box-shadow: 0 6px 18px rgba(232, 163, 61, 0.35);
    transition: var(--transition);
}

.brand-logo:hover .logo-icon {
    transform: rotate(-8deg) scale(1.05);
}

.main-nav {
    display: flex;
    gap: 6px;
    align-items: center;
}

.main-nav a {
    color: rgba(255, 255, 255, 0.75);
    padding: 9px 20px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.main-nav a:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
}

.main-nav a.active {
    color: var(--primary-dark);
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    font-weight: 700;
    box-shadow: 0 6px 20px rgba(232, 163, 61, 0.4);
}

.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
}

.btn-login {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    padding: 9px 22px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 500;
    transition: var(--transition);
}

.btn-login:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.nav-toggle {
    display: none;
    color: #fff;
    font-size: 22px;
    padding: 8px;
    border-radius: 10px;
    transition: var(--transition);
}

.nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* ---------- Hero 首屏 ---------- */
.page-hero {
    position: relative;
    padding: 170px 0 90px;
    background: linear-gradient(135deg, rgba(9, 28, 62, 0.92), rgba(15, 43, 91, 0.78)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    color: #fff;
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -60%;
    right: -20%;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 163, 61, 0.18), transparent 60%);
    pointer-events: none;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 163, 61, 0.2);
    border: 1px solid rgba(232, 163, 61, 0.4);
    color: var(--accent-light);
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 24px;
    backdrop-filter: blur(6px);
}

.page-hero h1 {
    font-size: clamp(32px, 5vw, 52px);
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: 1px;
}

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

.page-hero p.hero-desc {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.85);
    max-width: 680px;
    margin: 0 auto 36px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.hero-stat {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    padding: 18px 30px;
    backdrop-filter: blur(8px);
    min-width: 140px;
    text-align: center;
    transition: var(--transition);
}

.hero-stat:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
}

.hero-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 900;
    color: var(--accent-light);
    line-height: 1.3;
}

.hero-stat span {
    font-size: 13px;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 1px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 22px;
}

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

.breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.35);
}

/* ---------- 通用板块 ---------- */
.section-content {
    padding: 80px 0;
    position: relative;
}

.section-alt {
    background: #fff;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-head {
    text-align: center;
    margin-bottom: 50px;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.section-head .section-tag {
    display: inline-block;
    background: rgba(232, 163, 61, 0.12);
    color: var(--accent-dark);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 14px;
}

.section-head h2 {
    font-size: clamp(26px, 3.5vw, 36px);
    font-weight: 900;
    line-height: 1.3;
    color: var(--primary);
    margin-bottom: 12px;
}

.section-head p {
    color: var(--text-muted);
    font-size: 16px;
    line-height: 1.7;
}

/* ---------- 观赛方式卡片 ---------- */
.guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 36px 30px 30px;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    height: 100%;
}

.guide-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: var(--transition);
}

.guide-card:hover {
    border-color: rgba(232, 163, 61, 0.4);
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
}

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

.guide-icon {
    width: 72px;
    height: 72px;
    border-radius: 22px;
    background: linear-gradient(135deg, rgba(15, 43, 91, 0.05), rgba(232, 163, 61, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 26px;
    color: var(--primary);
    margin: 0 auto 22px;
    transition: var(--transition);
}

.guide-card:hover .guide-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    box-shadow: 0 8px 24px rgba(232, 163, 61, 0.35);
    transform: scale(1.06);
}

.guide-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 12px;
}

.guide-card p {
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.8;
    margin-bottom: 20px;
}

.guide-tags {
    display: flex;
    justify-content: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.tag-sm {
    background: #f1f4f9;
    color: var(--primary-light);
    font-size: 12px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 999px;
    letter-spacing: 0.5px;
}

.guide-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-dark);
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}

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

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

.guide-link:hover i {
    transform: translateX(5px);
}

/* ---------- 赛事卡片 ---------- */
.match-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.match-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.match-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
    border-color: rgba(15, 43, 91, 0.15);
}

.match-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: var(--primary-dark);
}

.match-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.match-card:hover .match-cover img {
    transform: scale(1.06);
}

.match-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(9, 28, 62, 0.5), transparent 60%);
}

.match-status {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.5px;
    backdrop-filter: blur(6px);
}

.match-status.live {
    background: rgba(239, 68, 68, 0.9);
    color: #fff;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.match-status.live i {
    animation: pulse-dot 1.2s infinite;
}

.match-status.upcoming {
    background: rgba(232, 163, 61, 0.92);
    color: var(--primary-dark);
}

.match-status.replay {
    background: rgba(15, 43, 91, 0.85);
    color: #fff;
}

.match-status.pending {
    background: rgba(255, 255, 255, 0.18);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.3; }
}

.match-score {
    position: absolute;
    right: 14px;
    bottom: 14px;
    z-index: 2;
    background: rgba(9, 28, 62, 0.75);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 12px;
    font-size: 18px;
    font-weight: 900;
    color: #fff;
    letter-spacing: 2px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.match-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.match-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.match-meta i {
    margin-right: 4px;
    color: var(--accent);
}

.match-body h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
    line-height: 1.4;
}

.match-body p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 16px;
    flex: 1;
}

.match-tags {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 18px;
}

.tag {
    font-size: 12px;
    font-weight: 500;
    padding: 3px 10px;
    border-radius: 6px;
    background: #f1f4f9;
    color: var(--primary-light);
}

.btn-match {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--primary);
    color: #fff;
    padding: 11px 18px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    width: 100%;
}

.btn-match:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(15, 43, 91, 0.3);
}

.btn-match i {
    transition: transform 0.3s ease;
}

.btn-match:hover i {
    transform: translateX(4px);
}

/* ---------- 观赛流程 ---------- */
.step-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    counter-reset: step;
}

.step-item {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 32px 26px 28px;
    text-align: center;
    transition: var(--transition);
    overflow: hidden;
}

.step-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    transition: width 0.4s ease;
    border-radius: 0 0 4px 4px;
}

.step-item:hover::before {
    width: 100%;
}

.step-item:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-6px);
}

.step-num {
    position: absolute;
    top: 18px;
    right: 20px;
    font-size: 42px;
    font-weight: 900;
    color: rgba(15, 43, 91, 0.06);
    line-height: 1;
    pointer-events: none;
}

.step-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 22px;
    margin: 0 auto 18px;
    box-shadow: 0 8px 20px rgba(15, 43, 91, 0.25);
    transition: var(--transition);
    position: relative;
    z-index: 1;
}

.step-item:hover .step-icon {
    transform: scale(1.1) rotate(-6deg);
    box-shadow: 0 12px 28px rgba(15, 43, 91, 0.35);
}

.step-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
}

.step-item p {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.7;
}

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

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(232, 163, 61, 0.35);
}

.faq-item.open {
    border-color: rgba(232, 163, 61, 0.5);
    box-shadow: 0 8px 24px rgba(15, 43, 91, 0.06);
}

.faq-question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    text-align: left;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
    gap: 16px;
}

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

.faq-question i {
    color: var(--accent);
    transition: transform 0.3s ease;
    font-size: 14px;
    flex-shrink: 0;
}

.faq-item.open .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.45s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.faq-answer p {
    padding: 0 24px 22px;
    color: var(--text-muted);
    font-size: 14px;
    line-height: 1.85;
}

/* ---------- CTA ---------- */
.cta-section {
    position: relative;
    padding: 90px 0;
    background: linear-gradient(135deg, rgba(9, 28, 62, 0.92), rgba(15, 43, 91, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat fixed;
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    bottom: -40%;
    left: -10%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232, 163, 61, 0.14), transparent 60%);
    pointer-events: none;
}

.cta-section h2 {
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 900;
    margin-bottom: 16px;
    line-height: 1.3;
}

.cta-section p {
    font-size: 17px;
    color: rgba(255, 255, 255, 0.8);
    max-width: 560px;
    margin: 0 auto 36px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-accent {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary-dark);
    font-weight: 700;
    font-size: 16px;
    padding: 14px 34px;
    border-radius: 999px;
    box-shadow: 0 10px 30px rgba(232, 163, 61, 0.35);
    transition: var(--transition);
}

.btn-accent:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 40px rgba(232, 163, 61, 0.45);
}

.btn-outline-light {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    border: 1.5px solid rgba(255, 255, 255, 0.5);
    color: #fff;
    font-weight: 600;
    font-size: 16px;
    padding: 13px 30px;
    border-radius: 999px;
    transition: var(--transition);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-3px);
}

/* ---------- Footer ---------- */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 64px;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light), var(--accent));
}

.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 2fr;
    gap: 60px;
    padding-bottom: 42px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand p {
    margin-top: 18px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
    line-height: 1.9;
    max-width: 360px;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    border-radius: 3px;
}

.footer-col a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.5);
    padding: 7px 0;
    font-size: 14px;
    transition: var(--transition);
}

.footer-col a:hover {
    color: var(--accent-light);
    transform: translateX(5px);
}

.footer-col a i {
    color: var(--accent);
    font-size: 12px;
    width: 18px;
    text-align: center;
}

.footer-bottom {
    padding: 22px 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.3);
    font-size: 13px;
    letter-spacing: 0.5px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-bottom a {
    color: rgba(255, 255, 255, 0.4);
}

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

/* ---------- 焦点状态 ---------- */
a:focus-visible,
button:focus-visible {
    outline: 3px solid rgba(232, 163, 61, 0.6);
    outline-offset: 2px;
    border-radius: 6px;
}

/* ---------- 响应式 ---------- */
@media (max-width: 1024px) {
    .match-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .step-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .hero-stats {
        gap: 16px;
    }

    .hero-stat {
        padding: 14px 24px;
        min-width: 120px;
    }

    .hero-stat strong {
        font-size: 24px;
    }
}

@media (max-width: 768px) {
    .site-header .container {
        gap: 12px;
    }

    .brand-logo {
        font-size: 17px;
    }

    .brand-logo .logo-icon {
        width: 36px;
        height: 36px;
        font-size: 16px;
    }

    .nav-toggle {
        display: block;
    }

    .main-nav {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: rgba(9, 28, 62, 0.98);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 24px 20px;
        gap: 6px;
        transform: translateY(-130%);
        transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
        backdrop-filter: blur(16px);
    }

    .main-nav.open {
        transform: translateY(0);
    }

    .main-nav a {
        padding: 13px 18px;
        font-size: 15px;
        border-radius: 12px;
        border: 1px solid transparent;
    }

    .main-nav a:hover {
        background: rgba(255, 255, 255, 0.06);
    }

    .main-nav a.active {
        background: linear-gradient(135deg, var(--accent), var(--accent-light));
    }

    .btn-login {
        padding: 8px 16px;
        font-size: 13px;
    }

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

    .page-hero h1 {
        font-size: 30px;
    }

    .page-hero p.hero-desc {
        font-size: 15px;
    }

    .hero-stats {
        gap: 10px;
    }

    .hero-stat {
        padding: 12px 18px;
        min-width: 100px;
        flex: 1;
    }

    .hero-stat strong {
        font-size: 22px;
    }

    .section-content {
        padding: 56px 0;
    }

    .section-head {
        margin-bottom: 34px;
    }

    .section-head h2 {
        font-size: 26px;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }

    .cta-section {
        padding: 64px 0;
        background-attachment: scroll;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-accent,
    .btn-outline-light {
        width: 100%;
        justify-content: center;
        max-width: 320px;
    }
}

@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }

    .brand-logo span:last-child {
        max-width: 150px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }

    .match-grid,
    .step-grid {
        grid-template-columns: 1fr;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 26px;
    }

    .hero-stats {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-stat {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .hero-stat strong {
        font-size: 24px;
    }

    .breadcrumb {
        font-size: 12px;
        flex-wrap: wrap;
    }

    .guide-card {
        padding: 28px 22px 24px;
    }

    .match-body {
        padding: 18px;
    }

    .faq-question {
        padding: 16px 18px;
        font-size: 14px;
    }

    .faq-answer p {
        padding: 0 18px 18px;
        font-size: 13px;
    }

    .footer-bottom {
        font-size: 12px;
        padding: 18px 12px;
    }
}

/* roulang page: category2 */
:root {
            --primary: #1d4ed8;
            --primary-dark: #1e3a8a;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --bg: #f8fafc;
            --bg-deep: #0f172a;
            --text: #0f172a;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.1);
            --gap-section: 84px;
        }

        * {
            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;
            color: var(--text);
            background: var(--bg);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header 品牌活动导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.7);
            box-shadow: 0 2px 20px rgba(15, 23, 42, 0.05);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 18px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(29, 78, 216, 0.3);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .main-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: all 0.25s ease;
            position: relative;
        }

        .main-nav a:hover {
            color: var(--primary);
            background: rgba(29, 78, 216, 0.08);
        }

        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(29, 78, 216, 0.35);
        }

        .header-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 20px;
            border-radius: 999px;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: all 0.25s ease;
        }

        .btn-login:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 18px rgba(29, 78, 216, 0.3);
            transform: translateY(-1px);
        }

        .nav-toggle {
            display: none;
            background: transparent;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            transition: background 0.2s;
        }

        .nav-toggle:hover {
            background: rgba(15, 23, 42, 0.06);
        }

        .nav-toggle:focus,
        .main-nav a:focus,
        .btn-login:focus,
        .btn-primary:focus,
        .btn-outline:focus,
        .btn-accent:focus {
            outline: 3px solid rgba(29, 78, 216, 0.35);
            outline-offset: 2px;
        }

        /* ===== Hero Banner ===== */
        .hero-banner {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 110px 0 90px;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(15, 23, 42, 0.88) 15%, rgba(15, 23, 42, 0.55) 60%, rgba(30, 64, 175, 0.35));
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            backdrop-filter: blur(8px);
            margin-bottom: 22px;
        }

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

        .hero-content h1 {
            color: #fff;
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 18px;
        }

        .hero-content p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary,
        .btn-outline,
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 700;
            transition: all 0.25s ease;
            border: none;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 20px rgba(29, 78, 216, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(29, 78, 216, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.14);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-accent {
            background: var(--accent);
            color: #0f172a;
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.3);
        }

        .btn-accent:hover {
            background: #f59e0b;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(245, 158, 11, 0.4);
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-top: 40px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.9);
            transition: color 0.2s;
        }

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

        .breadcrumb i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Sections ===== */
        .content-section {
            padding: 84px 0;
        }

        .bg-soft {
            background: #fff;
        }

        .bg-muted {
            background: #f1f5f9;
        }

        .section-head {
            max-width: 680px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
            background: rgba(29, 78, 216, 0.08);
            padding: 6px 16px;
            border-radius: 999px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: var(--text);
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
        }

        /* ===== 卡片 ===== */
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(29, 78, 216, 0.2);
        }

        .feature-card .card-cover {
            height: 190px;
            overflow: hidden;
            position: relative;
            background: linear-gradient(135deg, #0f172a, #1e3a8a);
        }

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

        .feature-card:hover .card-cover img {
            transform: scale(1.06);
        }

        .feature-card .card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(15, 23, 42, 0.35));
        }

        .feature-card .card-body {
            padding: 26px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-card .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .feature-card .card-body p {
            font-size: 14.5px;
            color: var(--text-light);
            line-height: 1.75;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 18px;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            transition: gap 0.2s;
        }

        .card-link:hover {
            gap: 12px;
        }

        /* ===== 功能图文 ===== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            margin-bottom: 72px;
        }

        .feature-row:last-child {
            margin-bottom: 0;
        }

        .feature-media {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .feature-media img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .feature-media .play-badge {
            position: absolute;
            top: 18px;
            left: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .feature-text h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .feature-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            display: grid;
            gap: 12px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14.5px;
            color: var(--text);
        }

        .feature-list li i {
            color: var(--primary);
            margin-top: 4px;
            font-size: 14px;
            flex-shrink: 0;
        }

        /* ===== 流程 ===== */
        .process-card {
            text-align: center;
            padding: 36px 24px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            height: 100%;
            position: relative;
        }

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

        .process-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 22px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 22px;
            box-shadow: 0 8px 20px rgba(29, 78, 216, 0.25);
        }

        .process-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        .process-step-number {
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 40px;
            font-weight: 800;
            color: rgba(15, 23, 42, 0.05);
        }

        /* ===== 数据条 ===== */
        .data-band {
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            position: relative;
        }

        .data-band::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.85);
        }

        .data-band .container {
            position: relative;
            z-index: 2;
        }

        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .data-item {
            padding: 30px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            transition: all 0.3s ease;
        }

        .data-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .data-number {
            font-size: 38px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .data-number span {
            color: var(--accent);
        }

        .data-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        /* ===== 内容推荐 ===== */
        .media-card {
            border-radius: 18px;
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .media-cover {
            height: 160px;
            overflow: hidden;
            position: relative;
        }

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

        .media-cover .media-type {
            position: absolute;
            left: 12px;
            top: 12px;
            padding: 4px 12px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.92);
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
        }

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

        .media-body h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .media-body p {
            font-size: 13.5px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .media-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 12.5px;
            color: #94a3b8;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s, box-shadow 0.3s;
        }

        .faq-item:hover {
            border-color: rgba(29, 78, 216, 0.2);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            list-style: none;
            position: relative;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i.fa-chevron-down {
            margin-left: auto;
            color: var(--primary);
            transition: transform 0.3s;
            font-size: 13px;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(29, 78, 216, 0.08);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .faq-item[open] summary i.fa-chevron-down {
            transform: rotate(180deg);
        }

        .faq-item .faq-answer {
            padding: 0 24px 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px dashed var(--border);
            margin: 0 24px 0;
            padding: 16px 0 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 90px 0;
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(110deg, rgba(15, 23, 42, 0.92) 40%, rgba(29, 78, 216, 0.75));
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-actions {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 14px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 0;
            margin-top: 0;
        }

        .site-footer .brand-logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .brand-logo .logo-icon {
            background: linear-gradient(135deg, var(--primary), #60a5fa);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 2fr;
            gap: 48px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
            margin-top: 6px;
            max-width: 320px;
        }

        .footer-links {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #94a3b8;
            font-size: 14px;
            padding: 6px 0;
            transition: color 0.2s, transform 0.2s;
        }

        .footer-col a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-content h1 {
                font-size: 36px;
            }

            .feature-row {
                gap: 40px;
            }

            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .site-header .container {
                height: 64px;
            }

            .brand-logo {
                font-size: 16px;
            }

            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }

            .main-nav {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                box-shadow: 0 16px 40px rgba(15, 23, 42, 0.12);
                border-bottom: 1px solid var(--border);
            }

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

            .main-nav a {
                justify-content: center;
                padding: 12px 18px;
                border-radius: 10px;
            }

            .header-cta .btn-login {
                padding: 8px 14px;
                font-size: 13px;
            }

            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .hero-banner {
                padding: 80px 0 60px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

            .hero-content p {
                font-size: 15px;
            }

            .content-section {
                padding: 60px 0;
            }

            .section-title {
                font-size: 26px;
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 48px;
            }

            .feature-media img {
                height: 240px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .footer-links {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .brand-logo span:last-child {
                max-width: 150px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
                width: 100%;
            }

            .data-grid {
                grid-template-columns: 1fr;
            }

            .footer-links {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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