/* roulang page: index */
:root {
            --primary: #0d1b2a;
            --primary-light: #1b2b42;
            --accent: #d4a853;
            --accent-light: #e8c97a;
            --accent-dark: #b8903a;
            --bg: #f4f6fb;
            --bg-white: #ffffff;
            --bg-soft: #f0f3f9;
            --text: #1a2332;
            --text-weak: #6b7a8f;
            --border: #e1e7f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 20px 40px rgba(10, 23, 39, 0.06);
            --shadow-hover: 0 24px 50px rgba(10, 23, 39, 0.12);
            --transition: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.25s ease;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

        .grid-container {
            max-width: 1200px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 10px 25px rgba(212, 168, 83, 0.3);
        }

        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(212, 168, 83, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 6px 16px rgba(212, 168, 83, 0.3);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-dark {
            background: var(--primary);
            color: #fff;
        }

        .btn-dark:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: rgba(212, 168, 83, 0.15);
            color: var(--accent-dark);
        }

        .section {
            padding: 90px 0;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 55px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent-dark);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-weak);
            line-height: 1.7;
        }

        .empty-tip {
            text-align: center;
            padding: 40px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--text-weak);
            font-size: 15px;
        }

        /* ============ Header / Nav ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: #fff;
            box-shadow: 0 2px 20px rgba(10, 23, 39, 0.06);
            border-bottom: 1px solid rgba(225, 231, 240, 0.6);
        }

        .header-brand-row {
            border-bottom: 1px solid var(--border);
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: var(--primary);
            color: var(--accent);
            font-size: 18px;
            flex-shrink: 0;
        }

        .logo-text {
            display: flex;
            flex-direction: column;
            line-height: 1.15;
        }

        .logo-text strong {
            font-size: 22px;
            letter-spacing: 0.02em;
        }

        .logo-text span {
            font-size: 12px;
            color: var(--text-weak);
            font-weight: 400;
            letter-spacing: 0.1em;
        }

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

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border-radius: 50px;
            padding: 8px 8px 8px 18px;
            border: 1px solid transparent;
            transition: var(--transition);
            width: 280px;
        }

        .header-search:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(212, 168, 83, 0.12);
        }

        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            font-size: 14px;
            color: var(--text);
            min-width: 0;
        }

        .header-search input::placeholder {
            color: #9aa8b8;
        }

        .header-search button {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .header-search button:hover {
            background: var(--accent);
            color: var(--primary);
        }

        .header-cta-mobile {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .header-cta-mobile:hover {
            background: var(--primary);
            color: var(--accent);
        }

        .header-nav-row {
            background: var(--primary);
        }

        .header-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 54px;
            gap: 20px;
        }

        .channel-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .channel-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 30px;
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            transition: var(--transition);
            white-space: nowrap;
            border: 1px solid transparent;
        }

        .channel-nav a i {
            font-size: 14px;
            opacity: 0.85;
        }

        .channel-nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

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

        .channel-nav a.active i {
            opacity: 1;
        }

        .channel-nav a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 30px;
        }

        .nav-date {
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-date i {
            color: var(--accent);
        }

        /* ============ Mobile Nav ============ */
        .mobile-menu {
            display: none;
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 12px 24px;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 14px 16px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            border-left: 3px solid transparent;
        }

        .mobile-menu a.active {
            color: var(--accent-dark);
            background: rgba(212, 168, 83, 0.08);
            border-left-color: var(--accent);
        }

        .mobile-menu a i {
            margin-right: 8px;
            color: var(--accent-dark);
        }

        /* ============ Hero ============ */
        .hero-section {
            background: linear-gradient(135deg, rgba(8, 15, 30, 0.92) 0%, rgba(10, 25, 47, 0.78) 55%, rgba(13, 27, 42, 0.86) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            padding: 110px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 60px;
            align-items: center;
        }

        .hero-content .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 8px 20px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            font-size: 13px;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 26px;
            backdrop-filter: blur(4px);
        }

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

        .hero-content h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            background: linear-gradient(120deg, #fff 60%, var(--accent-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-sub {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin-bottom: 34px;
            max-width: 520px;
        }

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

        .hero-meta {
            display: flex;
            gap: 30px;
            margin-top: 45px;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            flex-wrap: wrap;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }

        .hero-meta-item i {
            color: var(--accent);
            font-size: 16px;
        }

        .hero-countdown-box {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(16px);
            border-radius: 24px;
            padding: 36px 32px;
            box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
        }

        .countdown-label {
            text-align: center;
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .countdown-event {
            text-align: center;
            font-size: 20px;
            font-weight: 700;
            color: var(--accent-light);
            margin-bottom: 28px;
        }

        .countdown-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
        }

        .countdown-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            padding: 18px 8px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .countdown-item .num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            font-variant-numeric: tabular-nums;
        }

        .countdown-item .label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 4px;
            letter-spacing: 0.1em;
        }

        .countdown-note {
            text-align: center;
            margin-top: 22px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .countdown-note i {
            color: var(--accent);
        }

        /* ============ Stats Bar ============ */
        .stats-bar {
            background: #fff;
            border-bottom: 1px solid var(--border);
            padding: 32px 0;
            box-shadow: 0 4px 20px rgba(10, 23, 39, 0.04);
        }

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

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

        .stat-item::after {
            content: '';
            position: absolute;
            right: -12px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 50%;
            background: var(--border);
        }

        .stat-item:last-child::after {
            display: none;
        }

        .stat-num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .stat-num em {
            font-style: normal;
            color: var(--accent-dark);
            font-size: 24px;
            margin-left: 2px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 6px;
            letter-spacing: 0.04em;
        }

        /* ============ Features ============ */
        .features-section {
            background: var(--bg);
        }

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

        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.5s ease;
        }

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

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-icon {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--accent-dark);
            margin-bottom: 20px;
        }

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

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

        /* ============ Categories ============ */
        .categories-section {
            background: var(--bg-white);
        }

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

        .cat-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 260px;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
        }

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

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

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

        .cat-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 15, 30, 0.88) 0%, rgba(8, 15, 30, 0.25) 60%, transparent 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }

        .cat-card-overlay .cat-label {
            font-size: 12px;
            color: var(--accent-light);
            letter-spacing: 0.08em;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cat-card-overlay h3 {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .cat-card-overlay p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.6;
        }

        /* ============ News Section ============ */
        .news-section {
            background: var(--bg);
        }

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

        .news-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 83, 0.4);
        }

        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 16px;
        }

        .news-card-top .badge {
            background: rgba(212, 168, 83, 0.12);
            color: var(--accent-dark);
        }

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

        .news-card h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card h3 a {
            transition: color 0.25s ease;
        }

        .news-card h3 a:hover {
            color: var(--accent-dark);
        }

        .news-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card .read-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-dark);
            margin-top: auto;
            transition: gap 0.25s ease;
        }

        .news-card .read-more:hover {
            gap: 14px;
            color: var(--primary);
        }

        /* ============ Process Section ============ */
        .process-section {
            background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
            position: relative;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            counter-reset: step;
        }

        .process-item {
            position: relative;
            text-align: center;
            padding: 40px 28px;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .process-step {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            border-radius: 20px;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            font-weight: 800;
            color: var(--accent);
            box-shadow: 0 10px 25px rgba(13, 27, 42, 0.2);
        }

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

        .process-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.8;
        }

        .process-line {
            position: absolute;
            top: 60px;
            left: 60%;
            width: 110%;
            height: 2px;
            background: repeating-linear-gradient(90deg, var(--border) 0px, var(--border) 8px, transparent 8px, transparent 12px);
            z-index: 0;
        }

        .process-item:last-child .process-line {
            display: none;
        }

        /* ============ Ranking Section ============ */
        .ranking-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
        }

        .ranking-section .section-tag {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent-light);
        }

        .ranking-section .section-title {
            color: #fff;
        }

        .ranking-section .section-desc {
            color: rgba(255, 255, 255, 0.55);
        }

        .ranking-panel {
            max-width: 880px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 24px;
            overflow: hidden;
            backdrop-filter: blur(8px);
        }

        .ranking-item {
            display: grid;
            grid-template-columns: 60px 1fr 100px 80px;
            align-items: center;
            gap: 16px;
            padding: 20px 28px;
            transition: var(--transition);
            border-bottom: 1px solid rgba(255, 255, 255, 0.07);
        }

        .ranking-item:last-child {
            border-bottom: none;
        }

        .ranking-item:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .rank-num {
            font-size: 20px;
            font-weight: 800;
            color: rgba(255, 255, 255, 0.35);
            font-style: italic;
        }

        .rank-num.top {
            color: var(--accent);
        }

        .rank-name {
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .rank-name i {
            color: var(--accent);
            font-size: 16px;
        }

        .rank-heat {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
        }

        .rank-heat strong {
            color: var(--accent-light);
            font-size: 18px;
            margin-right: 4px;
        }

        .rank-trend {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 4px;
        }

        .rank-trend.up {
            color: #4ade80;
        }

        .rank-trend.down {
            color: #f87171;
        }

        /* ============ FAQ ============ */
        .faq-section {
            background: #fff;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            border-color: rgba(212, 168, 83, 0.4);
            box-shadow: 0 8px 24px rgba(10, 23, 39, 0.04);
        }

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

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

        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(212, 168, 83, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: var(--accent-dark);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--text-weak);
            line-height: 1.8;
            padding-top: 4px;
            border-top: 1px solid var(--border);
        }

        /* ============ CTA ============ */
        .cta-section {
            padding: 0 0 90px;
            background: var(--bg);
        }

        .cta-box {
            background: linear-gradient(120deg, rgba(8, 15, 30, 0.92) 0%, rgba(13, 27, 42, 0.8) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-radius: 28px;
            padding: 70px 50px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(10, 23, 39, 0.2);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 83, 0.2) 0%, transparent 70%);
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .cta-box p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 520px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }

        .cta-box .btn {
            position: relative;
            z-index: 2;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.6);
            padding-top: 70px;
        }

        .footer-main {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 60px;
            padding-bottom: 50px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand .logo-icon {
            background: var(--accent);
            color: var(--primary);
        }

        .footer-brand .logo-text span {
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col h3 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .footer-col ul li {
            margin-bottom: 12px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul a i {
            font-size: 12px;
            color: var(--accent);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
        }

        .footer-contact li i {
            color: var(--accent);
            width: 18px;
        }

        .footer-sub {
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
        }

        .footer-sub a {
            color: rgba(255, 255, 255, 0.5);
            transition: color 0.25s ease;
        }

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

        /* ============ Responsive ============ */
        @media (max-width: 1024px) {
            .section {
                padding: 70px 0;
            }

            .hero-container {
                grid-template-columns: 1fr 0.9fr;
                gap: 40px;
            }

            .hero-content h1 {
                font-size: 38px;
            }

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

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .stat-item::after {
                display: none;
            }

            .header-search {
                width: 200px;
            }

            .process-grid {
                gap: 24px;
            }

            .footer-main {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .header-search {
                display: none;
            }

            .header-cta-mobile {
                display: flex;
            }

            .header-nav-row {
                display: none;
            }

            .hero-section {
                padding: 70px 0 60px;
            }

            .hero-container {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

            .hero-content .hero-sub {
                font-size: 16px;
            }

            .hero-countdown-box {
                padding: 28px 20px;
            }

            .countdown-item .num {
                font-size: 24px;
            }

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

            .section-desc {
                font-size: 15px;
            }

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

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

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

            .cat-card {
                height: 220px;
            }

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

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

            .process-line {
                display: none;
            }

            .ranking-item {
                grid-template-columns: 44px 1fr 70px;
                padding: 16px 18px;
                gap: 12px;
            }

            .rank-trend {
                display: none;
            }

            .cta-box {
                padding: 50px 24px;
                border-radius: 20px;
            }

            .cta-box h2 {
                font-size: 26px;
            }

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

            .footer-sub {
                flex-direction: column;
                text-align: center;
            }

            .nav-date {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .logo-text strong {
                font-size: 19px;
            }

            .logo-text span {
                font-size: 11px;
            }

            .hero-content h1 {
                font-size: 26px;
            }

            .hero-actions .btn {
                padding: 10px 20px;
                font-size: 14px;
            }

            .hero-meta {
                gap: 16px;
                flex-direction: column;
                align-items: flex-start;
            }

            .countdown-grid {
                gap: 8px;
            }

            .countdown-item {
                padding: 12px 4px;
            }

            .countdown-item .num {
                font-size: 20px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-num {
                font-size: 30px;
            }

            .section {
                padding: 55px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .news-card {
                padding: 20px;
            }

            .cta-box {
                padding: 40px 20px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .cta-box p {
                font-size: 15px;
            }

            .ranking-item {
                grid-template-columns: 40px 1fr 60px;
                padding: 14px 14px;
            }

            .rank-name {
                font-size: 15px;
            }

            .footer-main {
                gap: 30px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root {
    --primary: #0d1b3e;
    --primary-dark: #081126;
    --primary-light: #16263f;
    --accent: #f0b646;
    --accent-dark: #d99c28;
    --accent-light: #ffe3a1;
    --bg-light: #f5f7fb;
    --bg-white: #ffffff;
    --bg-dark: #0a1428;
    --text-dark: #16203a;
    --text-body: #4a5568;
    --text-muted: #7a8698;
    --border: #e6eaf2;
    --shadow-sm: 0 2px 12px rgba(13,27,62,.06);
    --shadow-md: 0 8px 30px rgba(13,27,62,.08);
    --shadow-lg: 0 18px 48px rgba(13,27,62,.14);
    --radius-sm: 8px;
    --radius-md: 14px;
    --radius-lg: 24px;
    --max-width: 1200px;
    --font: "PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

/* ===== Reset / Base ===== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

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

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

a {
    color: inherit;
    text-decoration: none;
    transition: all .25s ease;
}

ul,
ol {
    list-style: none;
}

button,
input {
    font-family: inherit;
    outline: none;
}

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

/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all .3s cubic-bezier(.4,0,.2,1);
    line-height: 1.5;
    white-space: nowrap;
}

.btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    color: var(--primary-dark);
    border-color: rgba(255,255,255,.2);
    box-shadow: 0 6px 20px rgba(240,182,70,.35);
}

.btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(240,182,70,.5);
    color: var(--primary-dark);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,.6);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,.12);
    border-color: #fff;
    color: #fff;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 36px;
    font-size: 16px;
}

.btn:focus-visible {
    outline: 3px solid rgba(240,182,70,.5);
    outline-offset: 2px;
}

/* ===== 徽章 / 标签 ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.12);
    border: 1px solid rgba(255,255,255,.25);
    color: #fff;
    padding: 6px 16px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 500;
    backdrop-filter: blur(8px);
}

.badge-accent {
    background: rgba(240,182,70,.15);
    border-color: rgba(240,182,70,.4);
    color: var(--accent);
}

/* ===== 板块标题 ===== */
.section {
    padding: 90px 0;
}

.section.bg-light {
    background: var(--bg-light);
}

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

.section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 56px;
}

.section-head .section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 600;
    font-size: 14px;
    letter-spacing: .08em;
    text-transform: uppercase;
    margin-bottom: 12px;
}

.section-head h2 {
    font-size: 38px;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.25;
    margin-bottom: 16px;
}

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

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--primary);
    box-shadow: 0 4px 24px rgba(8,17,38,.25);
}

.header-top {
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.header-top-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 68px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--accent), var(--accent-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 19px;
    box-shadow: 0 4px 14px rgba(240,182,70,.4);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text strong {
    color: #fff;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: .02em;
}

.logo-text span {
    color: rgba(255,255,255,.65);
    font-size: 11px;
    letter-spacing: .12em;
}

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

.header-search {
    display: flex;
    align-items: center;
    background: rgba(255,255,255,.1);
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 40px;
    padding: 0 14px;
    width: 260px;
    height: 40px;
    transition: all .3s ease;
}

.header-search:focus-within {
    background: rgba(255,255,255,.16);
    border-color: rgba(240,182,70,.5);
}

.header-search input {
    flex: 1;
    background: transparent;
    border: 0;
    color: #fff;
    font-size: 14px;
    width: 100%;
}

.header-search input::placeholder {
    color: rgba(255,255,255,.5);
}

.header-search button {
    background: transparent;
    border: 0;
    color: rgba(255,255,255,.6);
    cursor: pointer;
    font-size: 14px;
    padding: 4px;
}

.header-search button:hover {
    color: var(--accent);
}

.header-score-btn {
    padding: 9px 20px;
    font-size: 14px;
}

/* ===== 频道导航 ===== */
.channel-nav {
    background: linear-gradient(90deg, var(--primary-dark), var(--primary-light));
    border-bottom: 1px solid rgba(255,255,255,.06);
}

.channel-nav-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    min-height: 46px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
    padding-top: 6px;
    padding-bottom: 6px;
}

.channel-nav-inner::-webkit-scrollbar {
    display: none;
}

.channel-nav a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.7);
    font-size: 15px;
    font-weight: 500;
    padding: 8px 20px;
    border-radius: 30px;
    white-space: nowrap;
    transition: all .3s ease;
    position: relative;
    border: 1px solid transparent;
}

.channel-nav a i {
    font-size: 14px;
}

.channel-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,.08);
}

.channel-nav a.active {
    color: var(--accent);
    background: rgba(240,182,70,.12);
    border-color: rgba(240,182,70,.3);
}

.channel-nav a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* ===== Hero 页头 ===== */
.page-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--primary-dark);
    padding: 100px 0 110px;
    overflow: hidden;
}

.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(100deg, rgba(8,17,38,.92) 0%, rgba(8,17,38,.72) 50%, rgba(13,27,62,.35) 100%);
}

.page-hero::after {
    content: "";
    position: absolute;
    right: -120px;
    bottom: -120px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(240,182,70,.18), transparent 65%);
}

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

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255,255,255,.6);
    font-size: 14px;
    margin-bottom: 28px;
}

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

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

.breadcrumb i {
    font-size: 11px;
    color: rgba(255,255,255,.4);
}

.hero-content {
    max-width: 760px;
}

.hero-content h1 {
    font-size: 52px;
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin: 18px 0;
    letter-spacing: .02em;
}

.hero-content h1 .highlight {
    color: var(--accent);
    position: relative;
}

.hero-content p.lead {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255,255,255,.85);
    margin-bottom: 36px;
}

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

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
}

/* ===== 分类卡片 ===== */
.category-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.category-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-height: 320px;
    display: flex;
    align-items: flex-end;
    box-shadow: var(--shadow-sm);
    transition: all .4s cubic-bezier(.4,0,.2,1);
    border: 1px solid var(--border);
    background: var(--primary-dark);
}

.category-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .6s cubic-bezier(.4,0,.2,1);
}

.category-card::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(8,17,38,.05) 40%, rgba(8,17,38,.88) 100%);
}

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

.category-card:hover img {
    transform: scale(1.08);
}

.category-card .card-body {
    position: relative;
    z-index: 2;
    padding: 28px;
    width: 100%;
}

.category-card .card-icon {
    width: 46px;
    height: 46px;
    background: var(--accent);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-dark);
    font-size: 18px;
    margin-bottom: 14px;
    box-shadow: 0 4px 14px rgba(240,182,70,.4);
}

.category-card h3 {
    color: #fff;
    font-size: 21px;
    font-weight: 700;
    margin-bottom: 8px;
}

.category-card p {
    color: rgba(255,255,255,.78);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 14px;
    max-height: 45px;
    overflow: hidden;
}

.card-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent);
    font-size: 14px;
    font-weight: 600;
}

.card-link:hover {
    gap: 10px;
    color: var(--accent-light);
}

/* ===== 统计数字 ===== */
.stats-section {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

.stats-section::before {
    content: "";
    position: absolute;
    left: -80px;
    top: -80px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(240,182,70,.08);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    position: relative;
    z-index: 1;
}

.stat-item {
    text-align: center;
    padding: 24px 12px;
    border-radius: var(--radius-md);
    background: rgba(255,255,255,.04);
    border: 1px solid rgba(255,255,255,.08);
    transition: all .3s ease;
}

.stat-item:hover {
    background: rgba(255,255,255,.08);
    transform: translateY(-4px);
}

.stat-num {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
    margin-bottom: 6px;
}

.stat-label {
    color: rgba(255,255,255,.8);
    font-size: 15px;
    font-weight: 500;
}

/* ===== 流程步骤 ===== */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
}

.step-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    position: relative;
    transition: all .35s ease;
    box-shadow: var(--shadow-sm);
}

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

.step-num {
    position: absolute;
    top: 18px;
    right: 22px;
    font-size: 40px;
    font-weight: 800;
    color: rgba(13,27,62,.06);
    line-height: 1;
}

.step-icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: linear-gradient(135deg, rgba(240,182,70,.15), rgba(240,182,70,.05));
    color: var(--accent-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
    border: 1px solid rgba(240,182,70,.25);
}

.step-item h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
}

.step-item p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.65;
}

/* ===== 资讯列表 ===== */
.news-list {
    display: grid;
    gap: 20px;
}

.news-item {
    display: flex;
    align-items: center;
    gap: 20px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: 20px 24px;
    transition: all .3s ease;
    box-shadow: var(--shadow-sm);
    cursor: pointer;
}

.news-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(6px);
    border-color: rgba(240,182,70,.4);
}

.news-item .news-thumb {
    width: 72px;
    height: 72px;
    border-radius: 12px;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-light);
}

.news-item .news-content {
    flex: 1;
}

.news-item .news-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-muted);
    font-size: 13px;
    margin-bottom: 4px;
}

.news-item .news-tag {
    background: rgba(240,182,70,.15);
    color: var(--accent-dark);
    padding: 2px 10px;
    border-radius: 20px;
    font-weight: 600;
}

.news-item h3 {
    font-size: 17px;
    color: var(--text-dark);
    font-weight: 600;
    line-height: 1.5;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.news-item:hover h3 {
    color: var(--accent-dark);
}

.news-date {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
}

.news-arrow {
    color: var(--text-muted);
    font-size: 16px;
    flex-shrink: 0;
}

/* ===== 热门排行 ===== */
.rank-section {
    background: var(--bg-light);
}

.rank-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.rank-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 30px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: all .3s ease;
}

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

.rank-card-head {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.rank-card-head .rank-icon {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 17px;
    color: #fff;
}

.rank-icon.football {
    background: linear-gradient(135deg, #3a8df0, #2563eb);
}

.rank-icon.basketball {
    background: linear-gradient(135deg, #f0723a, #e14a1a);
}

.rank-icon.tennis {
    background: linear-gradient(135deg, #6bcb77, #2e9e52);
}

.rank-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-dark);
}

.rank-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px dashed var(--border);
    transition: all .2s ease;
}

.rank-list li:last-child {
    border-bottom: 0;
}

.rank-list li:hover {
    padding-left: 8px;
}

.rank-num {
    width: 30px;
    height: 30px;
    border-radius: 8px;
    background: var(--bg-light);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 700;
    flex-shrink: 0;
}

.rank-list li:first-child .rank-num {
    background: var(--accent);
    color: var(--primary-dark);
}

.rank-list li:nth-child(2) .rank-num {
    background: rgba(240,182,70,.3);
    color: var(--accent-dark);
}

.rank-item-name {
    flex: 1;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-dark);
}

.rank-item-val {
    font-size: 13px;
    color: var(--text-muted);
    font-weight: 600;
}

/* ===== FAQ ===== */
.faq-wrap {
    max-width: 820px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all .3s ease;
    box-shadow: var(--shadow-sm);
}

.faq-item:hover {
    border-color: rgba(240,182,70,.4);
    box-shadow: var(--shadow-md);
}

.faq-item details {
    padding: 0;
}

.faq-item summary {
    padding: 22px 26px;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-dark);
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    transition: all .3s ease;
}

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

.faq-item summary::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 14px;
    color: var(--accent);
    transition: transform .3s ease;
    flex-shrink: 0;
}

.faq-item details[open] summary {
    color: var(--accent-dark);
}

.faq-item details[open] summary::after {
    transform: rotate(180deg);
}

.faq-item .faq-answer {
    padding: 0 26px 22px;
    color: var(--text-body);
    font-size: 15px;
    line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
    position: relative;
    background-size: cover;
    background-position: center;
    background-color: var(--primary-dark);
    padding: 100px 0;
    text-align: center;
    overflow: hidden;
}

.cta-section::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(8,17,38,.9), rgba(13,27,62,.8));
}

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

.cta-section h2 {
    font-size: 38px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.cta-section p {
    color: rgba(255,255,255,.8);
    font-size: 17px;
    max-width: 600px;
    margin: 0 auto 36px;
}

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

/* ===== Footer ===== */
.site-footer {
    background: var(--primary-dark);
    color: rgba(255,255,255,.7);
    padding: 80px 0 0;
    position: relative;
}

.footer-main {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255,255,255,.08);
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
    color: rgba(255,255,255,.6);
}

.footer-col h3 {
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-col h3::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 28px;
    height: 3px;
    background: var(--accent);
    border-radius: 3px;
}

.footer-col ul li {
    margin-bottom: 10px;
}

.footer-col ul li a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: rgba(255,255,255,.65);
    font-size: 14px;
    transition: all .3s ease;
}

.footer-col ul li a i {
    font-size: 10px;
    color: var(--accent);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: rgba(255,255,255,.6);
    margin-bottom: 14px;
}

.footer-contact li i {
    color: var(--accent);
    width: 16px;
}

.footer-sub {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    padding: 24px 0;
    font-size: 13px;
    color: rgba(255,255,255,.45);
}

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

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

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

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

    .rank-card:last-child {
        grid-column: 1 / -1;
    }

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

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media screen and (max-width: 768px) {
    .section {
        padding: 64px 0;
    }

    .section-head h2 {
        font-size: 30px;
    }

    .header-top-inner {
        height: 60px;
    }

    .header-search {
        display: none;
    }

    .hero-content h1 {
        font-size: 36px;
    }

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

    .channel-nav-inner {
        flex-wrap: nowrap;
        justify-content: flex-start;
    }

    .channel-nav a {
        padding: 7px 14px;
        font-size: 14px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-brand {
        grid-column: auto;
    }
}

@media screen and (max-width: 520px) {
    .container {
        padding: 0 16px;
    }

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

    .category-card {
        min-height: 260px;
    }

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

    .stat-num {
        font-size: 36px;
    }

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

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

    .news-item {
        flex-direction: column;
        align-items: flex-start;
        padding: 16px;
    }

    .news-item .news-thumb {
        width: 100%;
        height: 160px;
        border-radius: 10px;
    }

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

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

    .page-hero {
        padding: 66px 0 76px;
    }

    .btn-lg {
        padding: 12px 24px;
        font-size: 15px;
    }

    .footer-sub {
        flex-direction: column;
        text-align: center;
    }
}

/* roulang page: article */
/* ===== 1. 设计变量 ===== */
:root{
    --primary:#081b33;
    --primary-deep:#050e1f;
    --primary-light:#0e2a4e;
    --accent:#d4a53a;
    --accent-bright:#f0b90b;
    --accent-soft:#fff4d6;
    --bg:#f1f4fa;
    --surface:#ffffff;
    --text:#17293b;
    --text-light:#5e6e81;
    --text-white:#f2f6fa;
    --border:#dfe6f0;
    --radius-sm:8px;
    --radius:14px;
    --radius-lg:22px;
    --shadow-sm:0 2px 8px rgba(8,27,51,.06);
    --shadow-md:0 10px 28px rgba(8,27,51,.10);
    --shadow-lg:0 22px 50px rgba(8,27,51,.15);
    --container-width:1200px;
    --transition:all .25s ease;
}
/* ===== 2. 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
    font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);
    -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent)}
ul{list-style:none}
/* ===== 3. 容器与排版 ===== */
.container{width:100%;max-width:var(--container-width);margin:0 auto;padding:0 20px}
.section-head{text-align:center;max-width:720px;margin:0 auto 44px}
.section-tag{
    display:inline-block;background:var(--accent-soft);color:#9c7416;
    font-size:13px;font-weight:700;letter-spacing:2px;padding:7px 18px;border-radius:30px;margin-bottom:14px;
}
.section-head h2{font-size:32px;line-height:1.35;color:var(--primary);font-weight:800;margin-bottom:12px}
.section-head p{color:var(--text-light);font-size:16px}
/* ===== 4. 按钮 ===== */
.button{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    font-size:15px;font-weight:700;line-height:1;padding:14px 26px;border-radius:50px;
    transition:var(--transition);text-decoration:none;cursor:pointer;border:none;
}
.button:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-light);color:#fff}
.btn-accent{background:linear-gradient(135deg,var(--accent),#e9a623);color:#fff;box-shadow:0 6px 18px rgba(212,165,58,.32)}
.btn-accent:hover{box-shadow:0 12px 26px rgba(212,165,58,.42);color:#fff}
.btn-ghost{background:transparent;border:2px solid rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff}
/* ===== 5. 页头 ===== */
.site-header{background:var(--primary-deep);position:sticky;top:0;z-index:100;box-shadow:0 4px 20px rgba(5,14,31,.35)}
.header-main{border-bottom:1px solid rgba(255,255,255,.08)}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none}
.logo-icon{
    width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
    background:linear-gradient(135deg,var(--accent),#e9a623);color:var(--primary-deep);font-size:20px;
    box-shadow:0 4px 14px rgba(212,165,58,.35);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:23px;font-weight:800;color:#fff;letter-spacing:1px}
.logo-text span{font-size:12px;color:rgba(255,255,255,.65);letter-spacing:2px;margin-top:2px}
.header-right{display:flex;align-items:center;gap:18px}
.header-note{color:rgba(255,255,255,.55);font-size:13px;display:inline-flex;align-items:center;gap:7px}
.header-note i{color:var(--accent-bright)}
.header-btn{
    display:inline-flex;align-items:center;gap:6px;background:rgba(255,255,255,.08);color:#fff;
    border:1px solid rgba(255,255,255,.16);padding:9px 18px;border-radius:30px;font-size:13px;font-weight:600;
    transition:var(--transition);
}
.header-btn:hover{background:var(--accent);border-color:var(--accent);color:var(--primary-deep);transform:translateY(-1px)}
.header-nav{border-bottom:1px solid rgba(255,255,255,.06)}
.channel-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;padding:8px 0}
.channel-nav a{
    display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);
    font-size:15px;font-weight:600;padding:11px 22px;border-radius:30px;transition:var(--transition);
}
.channel-nav a i{font-size:14px}
.channel-nav a:hover{color:#fff;background:rgba(255,255,255,.08)}
.channel-nav a.active{background:var(--accent);color:var(--primary-deep);box-shadow:0 4px 14px rgba(212,165,58,.30)}
/* ===== 6. 文章首屏 ===== */
.article-hero{
    background-position:center;background-size:cover;background-attachment:fixed;
    padding:64px 0 52px;position:relative;color:var(--text-white);text-align:center;
}
.hero-eyebrow{
    display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:3px;
    color:rgba(255,255,255,.65);margin-bottom:14px;text-transform:uppercase;
}
.hero-eyebrow i{color:var(--accent-bright)}
.breadcrumb{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:20px;font-size:13px;color:rgba(255,255,255,.55)}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:var(--accent-bright)}
.breadcrumb .crumb-sep{opacity:.6;font-size:11px}
.breadcrumb .crumb-current{color:rgba(255,255,255,.85);max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:inline-block;vertical-align:middle}
.hero-cat{
    display:inline-flex;align-items:center;gap:8px;background:rgba(212,165,58,.16);
    border:1px solid rgba(212,165,58,.4);color:var(--accent-bright);
    font-size:13px;font-weight:700;letter-spacing:1px;padding:8px 20px;border-radius:30px;margin-bottom:18px;
}
.hero-title{
    font-size:42px;line-height:1.25;font-weight:800;color:#fff;
    max-width:880px;margin:0 auto 20px;text-shadow:0 4px 20px rgba(0,0,0,.35);
}
.hero-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;font-size:14px;color:rgba(255,255,255,.7)}
.hero-meta .meta-item{display:inline-flex;align-items:center;gap:7px}
.hero-meta .meta-item i{color:var(--accent-bright)}
/* ===== 7. 统计条 ===== */
.stats-bar{background:var(--surface);border-bottom:1px solid var(--border);padding:26px 0}
.stats-inner{display:flex;justify-content:center;gap:0;flex-wrap:wrap;text-align:center}
.stat-item{flex:1;min-width:150px;padding:10px 24px;border-right:1px solid var(--border)}
.stat-item:last-child{border-right:none}
.stat-item strong{display:block;font-size:30px;font-weight:800;color:var(--primary);line-height:1.2}
.stat-item strong i{color:var(--accent);font-style:normal;font-size:22px;margin-left:2px}
.stat-item span{display:block;font-size:13px;color:var(--text-light);margin-top:6px}
/* ===== 8. 文章主体区域 ===== */
.main-wrap{padding:44px 0 60px}
.article-card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
    overflow:hidden;box-shadow:var(--shadow-sm);
}
.article-feature{position:relative;height:300px;overflow:hidden}
.article-feature img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.article-card:hover .article-feature img{transform:scale(1.03)}
.feature-badge{
    position:absolute;left:18px;bottom:18px;display:inline-flex;align-items:center;gap:7px;
    background:rgba(8,27,51,.82);color:#fff;font-size:12px;font-weight:600;letter-spacing:1px;
    padding:8px 16px;border-radius:30px;backdrop-filter:blur(4px);
}
.feature-badge i{color:var(--accent-bright)}
.article-card-body{padding:32px 34px}
.article-lead{
    font-size:17px;line-height:1.9;color:var(--text-light);border-left:3px solid var(--accent);
    padding-left:16px;margin-bottom:28px;font-weight:500;
}
.article-content{font-size:16px;line-height:1.95;color:#2c3e50}
.article-content p{margin-bottom:18px}
.article-content h2{font-size:24px;color:var(--primary);font-weight:800;margin:34px 0 16px;padding-bottom:12px;border-bottom:1px solid var(--border)}
.article-content h3{font-size:19px;color:var(--primary);font-weight:700;margin:26px 0 12px}
.article-content h4{font-size:17px;color:var(--primary);font-weight:700;margin:22px 0 10px}
.article-content ul,.article-content ol{margin:16px 0 22px;padding-left:26px}
.article-content ul li{list-style:disc;margin-bottom:10px}
.article-content ol li{list-style:decimal;margin-bottom:10px}
.article-content ul li::marker{color:var(--accent)}
.article-content ol li::marker{color:var(--accent);font-weight:700}
.article-content blockquote{
    border-left:4px solid var(--accent);background:#fbfaf6;border-radius:0 10px 10px 0;
    padding:18px 22px;margin:22px 0;color:var(--text-light);font-style:italic;
}
.article-content img{border-radius:12px;margin:18px 0;box-shadow:var(--shadow-sm)}
.article-content a{color:#b8860b;text-decoration:underline;text-underline-offset:3px}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;border-radius:10px;overflow:hidden;font-size:14px}
.article-content th,.article-content td{padding:12px 14px;border:1px solid var(--border);text-align:left}
.article-content th{background:var(--primary);color:#fff;font-weight:600}
.article-content tr:nth-child(even) td{background:#f8fafc}
.article-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--border);margin-top:30px}
.tag-label{font-weight:700;color:var(--text);display:inline-flex;align-items:center;gap:6px}
.tag-label i{color:var(--accent)}
.tag-item{
    display:inline-block;background:#f3f6fb;border:1px solid var(--border);color:var(--text-light);
    font-size:13px;font-weight:600;padding:7px 14px;border-radius:20px;transition:var(--transition);
}
.tag-item:hover{background:var(--primary);color:#fff;border-color:var(--primary)}
.article-source{
    display:flex;align-items:flex-start;gap:16px;background:#f7f9fc;border:1px solid var(--border);
    border-radius:var(--radius);padding:20px 22px;margin-top:22px;
}
.article-source>i{font-size:28px;color:var(--accent);margin-top:2px}
.article-source strong{color:var(--primary);font-size:15px;display:block;margin-bottom:4px}
.article-source p{font-size:13px;color:var(--text-light);line-height:1.7;margin:0}
.article-tip{
    display:flex;align-items:flex-start;gap:10px;background:var(--accent-soft);
    border:1px dashed #e5c46a;border-radius:var(--radius);padding:16px 18px;margin-top:26px;
    color:#7a5e1a;font-size:14px;line-height:1.7;
}
.article-tip i{color:#c79318;margin-top:3px}
/* ===== 9. 侧边栏 ===== */
.sidebar-inner{display:flex;flex-direction:column;gap:24px;position:sticky;top:130px}
.side-card{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow-sm);padding:24px;transition:var(--transition);
}
.side-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.side-card h3{
    font-size:17px;font-weight:800;color:var(--primary);margin-bottom:16px;
    display:flex;align-items:center;gap:9px;padding-bottom:12px;border-bottom:2px solid var(--accent-soft);
}
.side-card h3 i{color:var(--accent)}
.side-post{display:block;padding:12px 0;border-bottom:1px dashed var(--border);transition:var(--transition)}
.side-post:last-child{border-bottom:none;padding-bottom:0}
.side-post:hover{padding-left:6px}
.side-post-title{display:block;font-size:14px;font-weight:600;color:var(--text);line-height:1.55}
.side-post:hover .side-post-title{color:var(--accent)}
.side-post-meta{display:block;font-size:12px;color:var(--text-light);margin-top:5px}
.side-links li{margin-bottom:10px}
.side-links a{
    display:flex;align-items:center;gap:9px;color:var(--text-light);font-size:14px;font-weight:500;
    padding:9px 12px;border-radius:10px;transition:var(--transition);
}
.side-links a i{color:var(--accent);font-size:12px;transition:transform .2s}
.side-links a:hover{background:#f5f7fb;color:var(--primary);padding-left:16px}
.side-links a:hover i{transform:translateX(3px)}
.side-cta{
    background:linear-gradient(150deg,var(--primary-deep),var(--primary-light));
    color:#fff;text-align:center;position:relative;overflow:hidden;
}
.side-cta::before{
    content:'';position:absolute;width:180px;height:180px;border-radius:50%;
    background:rgba(212,165,58,.14);top:-70px;right:-70px;
}
.side-cta h3{color:#fff;border-bottom-color:rgba(255,255,255,.14)}
.side-cta h3 i{color:var(--accent)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.7);margin-bottom:20px;text-align:left}
.side-cta .button{width:100%}
.side-empty{font-size:13px;color:var(--text-light);text-align:center;padding:18px 0}
/* ===== 10. 延伸阅读卡片 ===== */
.extend-section{padding:64px 0;background:var(--surface)}
.guide-card{
    background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);
    overflow:hidden;height:100%;display:flex;flex-direction:column;transition:var(--transition);
    box-shadow:var(--shadow-sm);
}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.guide-img{position:relative;height:150px;overflow:hidden}
.guide-img img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.guide-card:hover .guide-img img{transform:scale(1.07)}
.guide-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(8,27,51,.35))}
.guide-tag{
    position:absolute;top:14px;left:14px;z-index:2;background:rgba(255,255,255,.92);
    color:var(--primary);font-size:12px;font-weight:700;padding:5px 13px;border-radius:20px;
}
.guide-body{padding:20px;display:flex;flex-direction:column;flex:1}
.guide-body h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:8px;line-height:1.4}
.guide-body p{font-size:13px;color:var(--text-light);line-height:1.7;margin-bottom:16px;flex:1}
.guide-link{
    font-size:14px;font-weight:700;color:var(--accent);display:inline-flex;align-items:center;gap:6px;
    transition:var(--transition);
}
.guide-link i{font-size:12px;transition:transform .25s}
.guide-link:hover{color:var(--primary)}
.guide-link:hover i{transform:translateX(4px)}
/* ===== 11. FAQ ===== */
.faq-section{padding:70px 0;background:var(--bg)}
.faq-grid{row-gap:24px}
.faq-acc.accordion{background:transparent;border:none;margin:0}
.faq-acc .accordion-item{
    background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
    margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);
}
.faq-acc .accordion-item.is-active{border-color:#e0c987;box-shadow:var(--shadow-md)}
.faq-acc .accordion-title{
    background:var(--surface);border:none;color:var(--text);font-size:15px;font-weight:700;
    padding:18px 22px;display:flex;align-items:center;justify-content:space-between;gap:14px;
    text-decoration:none;border-radius:var(--radius);
}
.faq-acc .accordion-title:hover{background:#f9fafc;color:var(--primary)}
.faq-acc .accordion-title .acc-icon{
    width:26px;height:26px;border-radius:50%;background:var(--accent-soft);color:#b8860b;
    display:inline-flex;align-items:center;justify-content:center;font-size:12px;flex-shrink:0;
    transition:var(--transition);
}
.faq-acc .accordion-item.is-active .acc-icon{transform:rotate(45deg);background:var(--accent);color:#fff}
.faq-acc .accordion-title::before,.faq-acc .accordion-title::after{content:none!important}
.faq-acc .accordion-content{
    background:var(--surface);border:none;padding:4px 22px 20px;color:var(--text-light);font-size:14px;line-height:1.85;
}
.faq-acc .accordion-content p{color:var(--text-light)}
/* ===== 12. CTA ===== */
.cta-band{
    background-position:center;background-size:cover;padding:72px 0;position:relative;
}
.cta-inner{
    display:flex;align-items:center;justify-content:space-between;gap:32px;color:#fff;flex-wrap:wrap;
}
.cta-tag{
    display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,.1);
    border:1px solid rgba(255,255,255,.2);padding:7px 16px;border-radius:30px;
    font-size:13px;letter-spacing:1px;color:var(--accent-bright);margin-bottom:14px;
}
.cta-inner h2{font-size:32px;font-weight:800;line-height:1.35;margin-bottom:10px}
.cta-inner p{font-size:16px;color:rgba(255,255,255,.72)}
/* ===== 13. 页脚 ===== */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.65);padding-top:64px}
.footer-main{
    display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{flex:1.6;min-width:260px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.5);max-width:340px}
.footer-col{flex:1;min-width:160px}
.footer-col h3{
    font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:1px;
    padding-bottom:12px;position:relative;
}
.footer-col h3::after{content:'';position:absolute;left:0;bottom:0;width:24px;height:2px;background:var(--accent)}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{color:rgba(255,255,255,.55);font-size:14px;display:inline-flex;align-items:center;gap:7px;transition:var(--transition)}
.footer-col ul a i{font-size:10px;color:var(--accent)}
.footer-col ul a:hover{color:var(--accent-bright);padding-left:3px}
.footer-contact li{font-size:14px;display:flex;align-items:center;gap:9px;color:rgba(255,255,255,.5)}
.footer-contact li i{color:var(--accent)}
.footer-sub{
    display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;
    padding:22px 0;font-size:13px;color:rgba(255,255,255,.35);
}
/* ===== 14. Foundation 覆盖与响应式 ===== */
.grid-x.grid-margin-x{margin-left:0;margin-right:0}
.grid-x.grid-margin-x>.cell{padding-left:10px;padding-right:10px}
@media screen and (min-width:1025px){
    .sidebar-inner{position:sticky;top:120px}
}
@media screen and (max-width:1024px){
    .hero-title{font-size:36px}
    .header-note{display:none}
    .article-feature{height:250px}
    .stat-item{padding:10px 18px}
}
@media screen and (max-width:768px){
    .header-row{flex-direction:column;gap:8px;padding:16px 0}
    .header-btn{display:none}
    .channel-nav{justify-content:center;padding:6px 0}
    .channel-nav a{padding:9px 16px;font-size:14px}
    .article-hero{padding:46px 0 36px}
    .hero-title{font-size:28px;line-height:1.35}
    .hero-meta{gap:14px;flex-wrap:wrap;justify-content:center}
    .article-card-body{padding:24px 20px}
    .article-content{font-size:15px;line-height:1.85}
    .article-feature{height:200px}
    .section-head h2{font-size:26px}
    .cta-inner{flex-direction:column;text-align:center;justify-content:center}
    .cta-inner h2{font-size:26px}
    .stats-inner{flex-wrap:wrap}
    .stat-item{min-width:33.33%;border-right:none;border-bottom:1px solid var(--border);padding:16px}
    .stat-item:nth-child(3n){border-right:none}
    .footer-main{gap:28px;padding-bottom:30px}
    .footer-brand{flex:1 1 100%}
}
@media screen and (max-width:520px){
    .container{padding:0 14px}
    .logo-text strong{font-size:20px}
    .logo-icon{width:40px;height:40px;font-size:18px}
    .channel-nav a{padding:8px 13px;font-size:13px}
    .hero-title{font-size:23px}
    .hero-eyebrow{font-size:11px}
    .breadcrumb{font-size:12px}
    .stat-item{min-width:50%}
    .stat-item:nth-child(2n){border-right:none}
    .stat-item:nth-child(3n){border-right:none}
    .article-tags{gap:6px}
    .tag-item{padding:5px 10px;font-size:12px}
    .article-source{padding:16px}
    .guide-img{height:130px}
    .footer-sub{flex-direction:column;text-align:center;justify-content:center}
    .cta-inner h2{font-size:22px}
    .section-head h2{font-size:22px}
}