/* roulang page: index */
:root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --secondary: #e8a838;
            --secondary-light: #f0c060;
            --secondary-dark: #c88a20;
            --accent: #d94a4a;
            --bg-light: #f7f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f2440;
            --text-dark: #1a2a3a;
            --text-main: #2d4a6a;
            --text-light: #6a8aaa;
            --text-white: #f0f4fa;
            --border: #dce4ed;
            --border-light: #eaf0f6;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26,58,92,0.06);
            --shadow-md: 0 8px 30px rgba(26,58,92,0.10);
            --shadow-lg: 0 20px 50px rgba(26,58,92,0.14);
            --shadow-hover: 0 16px 40px rgba(26,58,92,0.18);
            --font-sans: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 120px;
            --nav-h: 52px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-main);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        a:focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

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

        /* ===== HEADER / NAV ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-white);
            box-shadow: 0 2px 20px rgba(26,58,92,0.06);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            border-bottom: 1px solid var(--border-light);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
        }
        .site-logo i {
            color: var(--secondary);
            font-size: 1.8rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover span {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 40px;
            padding: 0 16px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--secondary);
            box-shadow: 0 0 0 4px rgba(232,168,56,0.12);
        }
        .header-search input {
            background: transparent;
            padding: 8px 8px 8px 0;
            width: 180px;
            color: var(--text-dark);
            font-size: 0.9rem;
        }
        .header-search input::placeholder {
            color: var(--text-light);
        }
        .header-search button {
            color: var(--text-light);
            padding: 8px 4px;
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--secondary);
        }

        .header-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(232,168,56,0.30);
            white-space: nowrap;
        }
        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232,168,56,0.40);
            color: var(--primary-dark);
        }

        .nav-bar {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--nav-h);
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-bar::-webkit-scrollbar {
            display: none;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-item i {
            font-size: 0.8rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .nav-item:hover {
            background: rgba(232,168,56,0.08);
            border-color: var(--border);
            color: var(--primary);
        }
        .nav-item.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 12px rgba(26,58,92,0.20);
        }
        .nav-item.active i {
            color: var(--secondary);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--primary-dark);
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--bg-light);
        }

        @media (max-width: 900px) {
            .header-search input {
                width: 120px;
            }
            .header-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                height: 60px;
                padding: 0 16px;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo i {
                font-size: 1.4rem;
            }
            .header-search {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-bar {
                padding: 0 16px;
                height: 46px;
            }
            .nav-item {
                padding: 4px 14px;
                font-size: 0.82rem;
            }
        }

        /* ===== MOBILE DRAWER ===== */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--bg-white);
            z-index: 200;
            padding: 24px 20px;
            box-shadow: -8px 0 40px rgba(0,0,0,0.10);
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.35);
            z-index: 199;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.35s;
        }
        .drawer-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .drawer-close {
            align-self: flex-end;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
            border-radius: 8px;
        }
        .drawer-close:hover {
            background: var(--bg-light);
        }
        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .drawer-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }
        .drawer-nav a i {
            width: 20px;
            color: var(--text-light);
        }
        .drawer-nav a:hover {
            background: var(--bg-light);
        }
        .drawer-nav a.active {
            background: var(--primary);
            color: var(--text-white);
        }
        .drawer-nav a.active i {
            color: var(--secondary);
        }
        .drawer-cta {
            margin-top: auto;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            text-align: center;
            padding: 14px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
        }

        /* ===== HERO ===== */
        .hero {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--primary-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            mix-blend-mode: overlay;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,36,64,0.88) 0%, rgba(26,58,92,0.72) 100%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .hero-content {
            color: var(--text-white);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232,168,56,0.18);
            color: var(--secondary-light);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(232,168,56,0.20);
        }
        .hero-badge i {
            font-size: 0.7rem;
        }
        .hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero h1 em {
            font-style: normal;
            color: var(--secondary);
        }
        .hero p {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(240,250,255,0.80);
            margin-bottom: 32px;
            max-width: 480px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .hero-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }
        .hero-btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(232,168,56,0.35);
        }
        .hero-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(232,168,56,0.45);
            color: var(--primary-dark);
        }
        .hero-btn-outline {
            border: 2px solid rgba(255,255,255,0.25);
            color: var(--text-white);
            background: rgba(255,255,255,0.06);
        }
        .hero-btn-outline:hover {
            border-color: var(--secondary);
            background: rgba(232,168,56,0.12);
            color: var(--secondary-light);
        }
        .hero-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .hero-image img {
            max-width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: 0 24px 60px rgba(0,0,0,0.35);
            transform: perspective(1200px) rotateY(-4deg) rotateX(2deg);
            transition: transform 0.6s ease;
        }
        .hero-image img:hover {
            transform: perspective(1200px) rotateY(0deg) rotateX(0deg);
        }

        @media (max-width: 960px) {
            .hero .container {
                grid-template-columns: 1fr;
                text-align: center;
                padding-top: 40px;
                padding-bottom: 40px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-actions {
                justify-content: center;
            }
            .hero-image {
                display: none;
            }
            .hero {
                min-height: 400px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero p {
                font-size: 0.95rem;
            }
            .hero-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== SECTION ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232,168,56,0.12);
            color: var(--secondary-dark);
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-tag i {
            font-size: 0.65rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary-dark);
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }
        .section-dark .section-title {
            color: var(--text-white);
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-dark .section-desc {
            color: rgba(240,250,255,0.70);
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== CARDS GRID ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-grid-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-tag {
            display: inline-block;
            background: rgba(232,168,56,0.12);
            color: var(--secondary-dark);
            padding: 2px 12px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .card-footer .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-footer .more {
            color: var(--primary);
            font-weight: 600;
            transition: var(--transition);
        }
        .card-footer .more:hover {
            color: var(--secondary);
        }

        @media (max-width: 1024px) {
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .card-body {
                padding: 14px 16px 18px;
            }
            .card h3 {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .card-grid,
            .card-grid-2,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FEATURES ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--text-white);
            box-shadow: 0 8px 24px rgba(26,58,92,0.15);
        }
        .feature-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== STATS ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255,255,255,0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.08);
            backdrop-filter: blur(4px);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.9rem;
            color: rgba(240,250,255,0.70);
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== CATEGORY TABS ===== */
        .category-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .cat-tab {
            padding: 8px 24px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-main);
            background: var(--bg-white);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
        }
        .cat-tab:hover {
            border-color: var(--secondary);
            color: var(--secondary-dark);
        }
        .cat-tab.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(26,58,92,0.20);
        }

        /* ===== STEP FLOW ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: relative;
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 800;
            font-size: 1rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(26,58,92,0.18);
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 12px 0 8px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question i {
            color: var(--text-light);
            transition: transform 0.3s;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(240,250,255,0.75);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }
        .cta-btn-primary {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark);
            box-shadow: 0 8px 28px rgba(232,168,56,0.30);
        }
        .cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 40px rgba(232,168,56,0.45);
            color: var(--primary-dark);
        }
        .cta-btn-outline {
            border: 2px solid rgba(255,255,255,0.25);
            color: var(--text-white);
        }
        .cta-btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary-light);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-btn {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== FOOTER ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(240,250,255,0.70);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-logo {
            margin-bottom: 12px;
        }
        .footer-brand .site-logo span {
            color: var(--text-white);
            -webkit-text-fill-color: var(--text-white);
            background: none;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(240,250,255,0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
        }
        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(240,250,255,0.45);
        }
        .footer-bottom a {
            color: rgba(240,250,255,0.55);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== NEWS LIST ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            background: var(--bg-white);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-light);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-content h3 a {
            color: inherit;
        }
        .news-content h3 a:hover {
            color: var(--secondary);
        }
        .news-content p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 8px;
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .news-meta .cat {
            background: rgba(232,168,56,0.12);
            color: var(--secondary-dark);
            padding: 1px 10px;
            border-radius: 40px;
            font-weight: 600;
        }
        .news-meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                padding: 16px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
        }

        /* ===== EMPTY STATE ===== */
        .empty-state {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
        }
        .empty-state i {
            font-size: 2.4rem;
            color: var(--border);
            margin-bottom: 16px;
        }
        .empty-state p {
            font-size: 1rem;
        }

        /* ===== MISC ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .divider {
            height: 1px;
            background: var(--border-light);
            margin: 16px 0;
        }

        /* backpic section bg */
        .bg-back-2 {
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        }
        .bg-back-3 {
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
        }
        .overlay-dark {
            position: relative;
        }
        .overlay-dark::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15,36,64,0.82);
            z-index: 1;
        }
        .overlay-dark .container {
            position: relative;
            z-index: 2;
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0b1a2e;
            --primary-light: #132a44;
            --primary-dark: #060f1b;
            --secondary: #f0b90b;
            --secondary-light: #fcd34d;
            --secondary-dark: #d49a08;
            --accent: #e74c3c;
            --bg: #f5f7fa;
            --bg-card: #ffffff;
            --bg-dark: #0b1a2e;
            --text: #1a1a2e;
            --text-light: #4a5568;
            --text-white: #f8fafc;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --header-h: 120px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 双层导航 Header ===== */
        .site-header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
            max-width: var(--container);
            margin: 0 auto;
            width: 100%;
            min-height: 56px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: 0.5px;
        }
        .site-logo i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .site-logo span {
            background: linear-gradient(135deg, #fff 60%, var(--secondary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: 40px;
            padding: 6px 16px 6px 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
            min-width: 200px;
        }
        .header-search:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--secondary);
        }
        .header-search input {
            background: transparent;
            color: var(--text-white);
            font-size: 0.9rem;
            padding: 6px 0;
            width: 100%;
            border: none;
        }
        .header-search input::placeholder {
            color: var(--text-muted);
        }
        .header-search button {
            color: var(--text-muted);
            font-size: 0.95rem;
            padding: 4px 0 4px 12px;
            transition: var(--transition);
        }
        .header-search button:hover {
            color: var(--secondary);
        }
        .header-cta {
            background: var(--secondary);
            color: var(--primary);
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }
        .header-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(240, 185, 11, 0.35);
        }
        /* 频道 Tabs 导航行 */
        .nav-bar-wrap {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-bar {
            display: flex;
            align-items: center;
            gap: 4px;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-bar::-webkit-scrollbar {
            display: none;
        }
        .nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: var(--transition);
            white-space: nowrap;
            border-bottom: 3px solid transparent;
            position: relative;
        }
        .nav-item i {
            font-size: 0.95rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .nav-item:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-item:hover i {
            color: var(--secondary);
        }
        .nav-item.active {
            color: var(--secondary);
            background: rgba(240, 185, 11, 0.08);
            border-bottom-color: var(--secondary);
        }
        .nav-item.active i {
            color: var(--secondary);
        }
        .nav-item:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: -2px;
        }
        /* 移动端菜单切换 */
        .mobile-toggle {
            display: none;
            background: none;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 768px) {
            .site-header {
                position: relative;
            }
            .header-top {
                padding: 10px 16px;
                flex-wrap: wrap;
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .header-search {
                min-width: 140px;
                padding: 4px 12px 4px 16px;
                order: 3;
                flex: 1;
                margin-top: 4px;
            }
            .header-search input {
                font-size: 0.8rem;
            }
            .header-cta {
                padding: 6px 16px;
                font-size: 0.8rem;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-bar-wrap {
                overflow: hidden;
                max-height: 0;
                transition: max-height 0.4s ease;
            }
            .nav-bar-wrap.open {
                max-height: 400px;
            }
            .nav-bar {
                flex-direction: column;
                padding: 8px 16px 16px;
                gap: 2px;
            }
            .nav-item {
                width: 100%;
                border-radius: var(--radius-sm);
                border-bottom: none;
                padding: 10px 16px;
                font-size: 0.9rem;
            }
            .nav-item.active {
                border-bottom: none;
                background: rgba(240, 185, 11, 0.12);
            }
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            background: var(--primary);
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .category-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.88) 40%, rgba(11, 26, 46, 0.60) 80%);
            z-index: 1;
        }
        .category-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 24px;
        }
        .category-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .category-banner h1 i {
            color: var(--secondary);
            margin-right: 12px;
        }
        .category-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 700px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .banner-tag {
            background: rgba(255, 255, 255, 0.10);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 18px;
            border-radius: 40px;
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .banner-tag:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        @media (max-width: 768px) {
            .category-banner {
                min-height: 240px;
            }
            .category-banner .container {
                padding: 40px 16px;
            }
            .category-banner h1 {
                font-size: 1.8rem;
            }
            .category-banner h1 i {
                margin-right: 8px;
            }
            .category-banner p {
                font-size: 0.95rem;
            }
        }

        /* ===== 板块通用 ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--bg-card);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-dark .section-header h2 {
            color: var(--text-white);
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 620px;
            margin: 0 auto;
        }
        .section-dark .section-header p {
            color: var(--text-muted);
        }
        .section-header .subtitle {
            display: inline-block;
            background: rgba(240, 185, 11, 0.12);
            color: var(--secondary-dark);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 4px 18px;
            border-radius: 40px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-dark .section-header .subtitle {
            background: rgba(240, 185, 11, 0.18);
            color: var(--secondary-light);
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header p {
                font-size: 0.95rem;
            }
        }

        /* ===== 分类介绍板块 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-content h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }
        .intro-content p {
            color: var(--text-light);
            margin-bottom: 16px;
            line-height: 1.8;
        }
        .intro-content .intro-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }
        .intro-content .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-light);
            font-size: 0.95rem;
        }
        .intro-content .intro-list li i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .intro-image img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .intro-image:hover img {
            transform: scale(1.03);
        }
        @media (max-width: 768px) {
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-content h3 {
                font-size: 1.3rem;
            }
            .intro-image img {
                height: 220px;
            }
        }

        /* ===== 体育项目卡片网格 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--secondary);
        }
        .sport-card .card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .sport-card:hover .card-img img {
            transform: scale(1.06);
        }
        .sport-card .card-img .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--secondary);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.75rem;
            padding: 3px 14px;
            border-radius: 40px;
            letter-spacing: 0.3px;
        }
        .sport-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .sport-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .sport-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }
        .sport-card .card-footer .meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sport-card .card-footer .btn-sm {
            background: var(--primary);
            color: var(--text-white);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.82rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .sport-card .card-footer .btn-sm:hover {
            background: var(--secondary);
            color: var(--primary);
        }
        @media (max-width: 992px) {
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .sport-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .sport-card .card-img {
                height: 160px;
            }
        }

        /* ===== 热门赛事列表 ===== */
        .event-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .event-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .event-item:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .event-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(240, 185, 11, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--secondary);
            flex-shrink: 0;
        }
        .event-info {
            flex: 1;
            min-width: 0;
        }
        .event-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .event-info p {
            font-size: 0.88rem;
            color: var(--text-light);
        }
        .event-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .event-meta .badge {
            background: rgba(240, 185, 11, 0.12);
            color: var(--secondary-dark);
            font-weight: 600;
            font-size: 0.75rem;
            padding: 4px 14px;
            border-radius: 40px;
            white-space: nowrap;
        }
        .event-meta .badge.hot {
            background: rgba(231, 76, 60, 0.10);
            color: var(--accent);
        }
        .event-meta .badge.live {
            background: rgba(46, 204, 113, 0.12);
            color: #1a9e5e;
        }
        .event-link {
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
            padding: 6px;
        }
        .event-link:hover {
            color: var(--secondary);
            transform: translateX(4px);
        }
        @media (max-width: 768px) {
            .event-item {
                flex-wrap: wrap;
                padding: 16px 18px;
                gap: 12px;
            }
            .event-icon {
                width: 42px;
                height: 42px;
                font-size: 1.1rem;
            }
            .event-meta {
                width: 100%;
                justify-content: flex-start;
                gap: 10px;
                padding-top: 6px;
            }
            .event-info h4 {
                font-size: 0.95rem;
            }
        }

        /* ===== 使用流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--secondary);
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            transition: var(--transition);
        }
        .step-card:hover .step-num {
            background: var(--secondary);
            color: var(--primary);
        }
        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width: 992px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 600px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-card {
                padding: 24px 16px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--secondary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-question:hover {
            color: var(--secondary-dark);
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--secondary);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.8;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 18px 14px;
                font-size: 0.88rem;
            }
        }

        /* ===== CTA ===== */
        .cta-box {
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-box .container {
            position: relative;
            z-index: 1;
        }
        .cta-box h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-box p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-box .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-box .btn-primary {
            background: var(--secondary);
            color: var(--primary);
            padding: 14px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
        }
        .cta-box .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240, 185, 11, 0.30);
        }
        .cta-box .btn-outline {
            border: 2px solid rgba(255, 255, 255, 0.25);
            color: var(--text-white);
            padding: 12px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            background: transparent;
        }
        .cta-box .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(240, 185, 11, 0.08);
        }
        @media (max-width: 768px) {
            .cta-box {
                padding: 36px 20px;
            }
            .cta-box h2 {
                font-size: 1.4rem;
            }
            .cta-box p {
                font-size: 0.92rem;
            }
            .cta-box .btn-primary,
            .cta-box .btn-outline {
                padding: 12px 28px;
                font-size: 0.9rem;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-muted);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .site-logo {
            justify-content: flex-start;
            margin-bottom: 14px;
            font-size: 1.2rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-col ul li a i {
            color: var(--secondary);
            font-size: 0.6rem;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer-bottom a:hover {
            color: var(--secondary);
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 600px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .site-footer {
                padding: 36px 0 0;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .header-top {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-search {
                min-width: 100%;
                order: 4;
            }
            .category-banner h1 {
                font-size: 1.5rem;
            }
            .banner-tag {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .sport-card .card-body {
                padding: 16px 18px 18px;
            }
            .sport-card .card-body h3 {
                font-size: 1rem;
            }
        }

/* roulang page: article */
:root {
    --primary: #0a2647;
    --primary-light: #1a3a6a;
    --primary-dark: #06152b;
    --secondary: #f0b830;
    --secondary-light: #f5cd6a;
    --secondary-dark: #d4a020;
    --bg: #f0f2f5;
    --bg-card: #ffffff;
    --bg-light: #f8f9fc;
    --text: #1a1a2e;
    --text-light: #4a4a6a;
    --text-muted: #8a8aaa;
    --border: #e2e5ec;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --shadow: 0 4px 20px rgba(10,38,71,0.08);
    --shadow-hover: 0 12px 40px rgba(10,38,71,0.15);
    --transition: 0.25s cubic-bezier(.4,0,.2,1);
    --font: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    --max-width: 1200px;
    --header-height: 130px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--secondary); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; border: none; }
ul, ol { list-style: none; }
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}
.site-header {
    background: var(--bg-card);
    box-shadow: 0 2px 16px rgba(10,38,71,0.06);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(12px);
    background: rgba(255,255,255,0.97);
}
.header-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 20px;
    max-width: var(--max-width);
    margin: 0 auto;
    gap: 16px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.3px;
}
.site-logo i { font-size: 1.6rem; color: var(--secondary); }
.site-logo span { white-space: nowrap; }
.header-actions {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.search-form {
    display: flex;
    align-items: center;
    background: var(--bg-light);
    border: 1px solid var(--border);
    border-radius: 40px;
    padding: 2px 2px 2px 16px;
    transition: border var(--transition), box-shadow var(--transition);
}
.search-form:focus-within {
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(240,184,48,0.15);
}
.search-form input {
    background: transparent;
    border: none;
    padding: 8px 0;
    font-size: 0.9rem;
    color: var(--text);
    min-width: 160px;
}
.search-form input::placeholder { color: var(--text-muted); }
.search-form button {
    background: var(--secondary);
    color: var(--primary-dark);
    border: none;
    border-radius: 40px;
    padding: 8px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.search-form button:hover { background: var(--secondary-dark); transform: scale(1.02); }
.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--secondary);
    color: var(--primary-dark);
    padding: 8px 22px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    border: none;
    cursor: pointer;
    white-space: nowrap;
}
.btn-cta:hover {
    background: var(--secondary-dark);
    color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(240,184,48,0.35);
}
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    transition: background var(--transition);
}
.mobile-toggle:hover { background: var(--bg-light); }
.nav-bar {
    display: flex;
    align-items: center;
    gap: 4px;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px 10px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.nav-bar::-webkit-scrollbar { display: none; }
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    border-radius: 40px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-light);
    background: transparent;
    transition: background var(--transition), color var(--transition), box-shadow var(--transition);
    white-space: nowrap;
    border: none;
    cursor: pointer;
}
.nav-item i { font-size: 0.9rem; color: var(--text-muted); transition: color var(--transition); }
.nav-item:hover { background: var(--bg-light); color: var(--primary); }
.nav-item:hover i { color: var(--secondary); }
.nav-item.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(10,38,71,0.2); }
.nav-item.active i { color: var(--secondary); }
.page-banner {
    position: relative;
    padding: 80px 0 60px;
    background: var(--primary-dark);
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    color: #fff;
    overflow: hidden;
}
.page-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10,38,71,0.85) 0%, rgba(10,38,71,0.6) 100%);
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.7);
    margin-bottom: 16px;
}
.breadcrumb a { color: rgba(255,255,255,0.8); }
.breadcrumb a:hover { color: var(--secondary); }
.breadcrumb i { font-size: 0.6rem; color: rgba(255,255,255,0.4); }
.page-banner h1 {
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1.3;
    max-width: 800px;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.banner-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 0.9rem;
    color: rgba(255,255,255,0.75);
}
.banner-meta i { margin-right: 6px; color: var(--secondary); }
.banner-meta .badge {
    display: inline-block;
    background: var(--secondary);
    color: var(--primary-dark);
    padding: 2px 14px;
    border-radius: 40px;
    font-weight: 600;
    font-size: 0.8rem;
}
.main-wrap {
    padding: 40px 0 60px;
}
.main-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 40px;
    align-items: start;
}
.article-body {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 40px;
}
.article-body .content {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text);
}
.article-body .content p { margin-bottom: 1.2em; }
.article-body .content h2, .article-body .content h3 {
    margin-top: 1.6em;
    margin-bottom: 0.6em;
    font-weight: 700;
    color: var(--primary);
}
.article-body .content h2 { font-size: 1.6rem; }
.article-body .content h3 { font-size: 1.3rem; }
.article-body .content ul, .article-body .content ol {
    margin-bottom: 1.2em;
    padding-left: 1.5em;
}
.article-body .content ul { list-style: disc; }
.article-body .content ol { list-style: decimal; }
.article-body .content li { margin-bottom: 0.4em; }
.article-body .content a { color: var(--secondary-dark); text-decoration: underline; }
.article-body .content a:hover { color: var(--primary); }
.article-body .content blockquote {
    border-left: 4px solid var(--secondary);
    background: var(--bg-light);
    padding: 16px 24px;
    margin: 1.2em 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-light);
    font-style: italic;
}
.article-body .content img {
    border-radius: var(--radius-sm);
    margin: 1.5em auto;
    box-shadow: var(--shadow);
}
.article-body .content .wp-caption { text-align: center; font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.2em; }
.article-footer-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.article-footer-tags .tag-label { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
.tag-item {
    display: inline-block;
    background: var(--bg-light);
    padding: 4px 16px;
    border-radius: 40px;
    font-size: 0.8rem;
    color: var(--text-light);
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.tag-item:hover { background: var(--secondary); color: var(--primary-dark); border-color: var(--secondary); }
.article-share {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
}
.article-share span { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
.share-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-light);
    color: var(--text-light);
    border: 1px solid var(--border);
    transition: all var(--transition);
    font-size: 0.9rem;
}
.share-btn:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }
.not-found-box {
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}
.not-found-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 16px; }
.not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; color: var(--primary); }
.not-found-box p { color: var(--text-light); margin-bottom: 24px; }
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.sidebar-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 28px 24px;
}
.sidebar-card h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 18px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--bg-light);
    display: flex;
    align-items: center;
    gap: 10px;
}
.sidebar-card h3 i { color: var(--secondary); font-size: 1rem; }
.sidebar-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--bg-light);
}
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.95rem;
    color: var(--text-light);
    transition: color var(--transition);
}
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list a i { font-size: 0.6rem; color: var(--secondary); transition: transform var(--transition); }
.sidebar-list a:hover i { transform: translateX(4px); }
.sidebar-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sidebar-tags .tag-item { font-size: 0.8rem; }
.sidebar-hot li {
    padding: 12px 0;
    border-bottom: 1px solid var(--bg-light);
    display: flex;
    gap: 14px;
    align-items: flex-start;
}
.sidebar-hot li:last-child { border-bottom: none; }
.sidebar-hot .hot-num {
    flex-shrink: 0;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: var(--bg-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-muted);
}
.sidebar-hot .hot-num.top { background: var(--secondary); color: var(--primary-dark); }
.sidebar-hot a {
    font-size: 0.9rem;
    color: var(--text-light);
    line-height: 1.4;
    transition: color var(--transition);
}
.sidebar-hot a:hover { color: var(--primary); }
.related-section {
    padding: 60px 0;
    background: var(--bg-light);
}
.related-section .section-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 32px;
    text-align: center;
}
.related-section .section-title i { color: var(--secondary); margin-right: 10px; }
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.related-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform var(--transition), box-shadow var(--transition);
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 0;
}
.related-card .card-body { padding: 18px 20px 20px; }
.related-card .card-body h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 8px;
    line-height: 1.4;
}
.related-card .card-body h4 a { color: var(--text); }
.related-card .card-body h4 a:hover { color: var(--primary); }
.related-card .card-body .meta {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 12px;
}
.cta-section {
    padding: 60px 0;
    background: var(--primary);
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    background-blend-mode: overlay;
    color: #fff;
    text-align: center;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 12px;
}
.cta-section p {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.8);
    max-width: 600px;
    margin: 0 auto 28px;
}
.cta-section .btn-cta { font-size: 1.05rem; padding: 12px 36px; }
.site-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,0.8);
    padding: 60px 0 30px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
}
.footer-brand .site-logo { color: #fff; margin-bottom: 12px; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); line-height: 1.7; max-width: 360px; }
.footer-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
    color: rgba(255,255,255,0.6);
    font-size: 0.9rem;
    transition: color var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}
.footer-col ul a:hover { color: var(--secondary); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 24px;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.5);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--secondary); }
@media (max-width: 1024px) {
    .main-grid { grid-template-columns: 1fr; }
    .related-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    :root { --header-height: 120px; }
    .header-top { padding: 10px 16px; flex-wrap: wrap; }
    .site-logo { font-size: 1.2rem; }
    .site-logo span { font-size: 1rem; }
    .search-form { display: none; }
    .btn-cta { padding: 6px 16px; font-size: 0.8rem; }
    .mobile-toggle { display: block; }
    .nav-bar { padding: 0 16px 8px; gap: 2px; }
    .nav-item { padding: 6px 14px; font-size: 0.85rem; }
    .nav-item i { font-size: 0.8rem; }
    .page-banner { padding: 50px 0 40px; }
    .page-banner h1 { font-size: 1.5rem; }
    .banner-meta { gap: 12px; font-size: 0.8rem; }
    .article-body { padding: 24px 20px; }
    .article-body .content { font-size: 1rem; }
    .related-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .cta-section h2 { font-size: 1.5rem; }
    .cta-section p { font-size: 0.95rem; }
    .sidebar { order: 2; }
    .main-grid > :first-child { order: 1; }
}
@media (max-width: 520px) {
    .header-top { padding: 8px 12px; }
    .site-logo { font-size: 1rem; gap: 6px; }
    .site-logo i { font-size: 1.2rem; }
    .site-logo span { font-size: 0.85rem; }
    .btn-cta { padding: 4px 12px; font-size: 0.75rem; gap: 4px; }
    .nav-item { padding: 4px 10px; font-size: 0.75rem; gap: 4px; }
    .page-banner { padding: 36px 0 28px; }
    .page-banner h1 { font-size: 1.2rem; }
    .article-body { padding: 16px 14px; }
    .related-card .card-img { height: 140px; }
    .footer-grid { gap: 20px; }
    .sidebar-card { padding: 20px 16px; }
}