/* roulang page: index */
:root {
            --primary: #1a3a5c;
            --primary-dark: #0e2438;
            --primary-light: #2a5a8c;
            --accent: #f0a030;
            --accent-dark: #d4881a;
            --accent-soft: #fef6e8;
            --bg: #f7f8fb;
            --bg-white: #ffffff;
            --bg-dark: #0e1a28;
            --bg-dark-2: #142536;
            --text: #1e2d3d;
            --text-soft: #4a5a6e;
            --text-muted: #7a8a9e;
            --border: #e4e8ef;
            --border-light: #eef1f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 58, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 58, 92, 0.09);
            --shadow-lg: 0 16px 48px rgba(26, 58, 92, 0.13);
            --shadow-accent: 0 8px 28px rgba(240, 160, 48, 0.32);
            --spacing-xs: 8px;
            --spacing-sm: 16px;
            --spacing-md: 28px;
            --spacing-lg: 48px;
            --spacing-xl: 72px;
            --spacing-xxl: 96px;
            --font-base: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition-fast: 0.2s ease;
            --transition: 0.32s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-slow: 0.5s cubic-bezier(0.22, 0.61, 0.36, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

        a:hover {
            color: var(--accent);
            text-decoration: none;
        }

        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.35;
            color: var(--text);
            margin-bottom: 0.5em;
        }

        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }

        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }

        h3 {
            font-size: 1.45rem;
        }

        h4 {
            font-size: 1.15rem;
        }

        p {
            margin-bottom: 1rem;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        .container-wide {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

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

        .button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.85rem 1.7rem;
            font-size: 1rem;
            font-weight: 600;
            font-family: var(--font-base);
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            text-align: center;
            transition: all var(--transition);
            white-space: nowrap;
            line-height: 1.4;
            letter-spacing: 0.01em;
        }

        .button-primary {
            background: var(--accent);
            color: #1e2d3d;
            box-shadow: var(--shadow-accent);
        }

        .button-primary:hover {
            background: var(--accent-dark);
            color: #1e2d3d;
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(240, 160, 48, 0.42);
        }

        .button-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(240, 160, 48, 0.3);
        }

        .button-secondary {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.65);
        }

        .button-secondary:hover {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        .button-dark {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .button-dark:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .button-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .button-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .button-sm {
            padding: 0.55rem 1.1rem;
            font-size: 0.88rem;
            border-radius: 6px;
        }

        .button-lg {
            padding: 1.1rem 2.2rem;
            font-size: 1.08rem;
            border-radius: var(--radius-md);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 0.3rem 0.8rem;
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.02em;
            line-height: 1.5;
        }

        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent-dark);
            border: 1px solid rgba(240, 160, 48, 0.3);
        }

        .badge-primary {
            background: rgba(26, 58, 92, 0.08);
            color: var(--primary);
            border: 1px solid rgba(26, 58, 92, 0.18);
        }

        .badge-danger {
            background: #fef0f0;
            color: #c0392b;
            border: 1px solid rgba(192, 57, 43, 0.25);
        }

        .tag {
            display: inline-block;
            padding: 0.2rem 0.65rem;
            font-size: 0.78rem;
            font-weight: 500;
            border-radius: 4px;
            background: var(--border-light);
            color: var(--text-soft);
            margin-right: 4px;
            margin-bottom: 4px;
            transition: all var(--transition-fast);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 杂志刊头导航 ========== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 3px solid var(--primary);
            box-shadow: 0 2px 20px rgba(26, 58, 92, 0.06);
            position: sticky;
            top: 0;
            z-index: 100;
        }

        .header-top-bar {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.78rem;
            padding: 0.4rem 0;
            letter-spacing: 0.03em;
        }

        .header-top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

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

        .header-top-left span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        .header-top-right a {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

        .header-top-right a:hover {
            color: var(--accent);
        }

        .masthead-nav {
            padding: 0.8rem 0;
        }

        .masthead-nav .container {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }

        .brand-area {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .brand-logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.01em;
            line-height: 1.25;
            white-space: nowrap;
        }

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

        .brand-sub {
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.12em;
            text-transform: uppercase;
            font-weight: 500;
        }

        .nav-divider {
            width: 1px;
            height: 38px;
            background: var(--border);
            flex-shrink: 0;
        }

        .nav-channels {
            display: flex;
            align-items: center;
            gap: 0;
            flex-wrap: wrap;
        }

        .nav-channels a {
            display: inline-flex;
            align-items: center;
            padding: 0.45rem 0.9rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-soft);
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-channels a + a::before {
            content: '';
            position: absolute;
            left: -0.5px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border);
        }

        .nav-channels a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.04);
        }

        .nav-channels a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.07);
        }

        .nav-channels a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
        }

        .masthead-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            display: flex;
            align-items: center;
            gap: 0;
            border: 1.5px solid var(--border);
            border-radius: 999px;
            overflow: hidden;
            background: var(--bg);
            transition: all var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.15);
        }

        .header-search input {
            border: none;
            background: transparent;
            padding: 0.45rem 1rem;
            font-size: 0.85rem;
            font-family: var(--font-base);
            color: var(--text);
            width: 140px;
            outline: none;
        }

        .header-search button {
            background: var(--primary);
            border: none;
            color: #fff;
            padding: 0.45rem 0.85rem;
            cursor: pointer;
            transition: background var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .header-search button:hover {
            background: var(--accent);
            color: #1e2d3d;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 0.3rem 0.5rem;
            border-radius: 4px;
        }

        /* ========== Hero 视频官网 ========== */
        .hero-video {
            position: relative;
            min-height: 85vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-dark);
        }

        .hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            transform: scale(1.02);
        }

        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(
                135deg,
                rgba(10, 22, 38, 0.88) 0%,
                rgba(14, 36, 56, 0.78) 35%,
                rgba(20, 37, 54, 0.65) 65%,
                rgba(26, 58, 92, 0.55) 100%
            );
            z-index: 1;
        }

        .hero-glow {
            position: absolute;
            top: -15%;
            right: -10%;
            width: 55%;
            height: 75%;
            background: radial-gradient(ellipse at center, rgba(240, 160, 48, 0.22) 0%, transparent 70%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: var(--spacing-xl) 0;
            color: #fff;
        }

        .hero-inner {
            max-width: 680px;
        }

        .hero-flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #1e2d3d;
            font-weight: 700;
            font-size: 0.82rem;
            padding: 0.35rem 1rem;
            border-radius: 999px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-sm);
            animation: pulse-badge 2.2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 0 0 rgba(240, 160, 48, 0.5); }
            50% { box-shadow: 0 0 0 8px rgba(240, 160, 48, 0); }
        }

        .hero-play-row {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: var(--spacing-sm);
        }

        .hero-play-btn {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            border: 2px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            position: relative;
            flex-shrink: 0;
        }

        .hero-play-btn::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            right: -4px;
            bottom: -4px;
            border-radius: 50%;
            border: 2px solid rgba(255, 255, 255, 0.25);
            animation: ring-pulse 2s ease-out infinite;
        }

        @keyframes ring-pulse {
            0% { transform: scale(0.9); opacity: 1; }
            100% { transform: scale(1.25); opacity: 0; }
        }

        .hero-play-btn:hover {
            background: var(--accent);
            border-color: var(--accent);
            transform: scale(1.06);
        }

        .hero-play-btn i {
            color: #fff;
            font-size: 1.3rem;
            margin-left: 4px;
        }

        .hero-play-text {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            letter-spacing: 0.03em;
        }

        .hero-video h1 {
            color: #fff;
            font-size: 2.9rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
            line-height: 1.3;
        }

        .hero-video .hero-desc {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.03rem;
            line-height: 1.9;
            margin-bottom: var(--spacing-md);
            max-width: 600px;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-md);
        }

        .hero-stats {
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
            border-top: 1px solid rgba(255, 255, 255, 0.18);
            padding-top: var(--spacing-sm);
        }

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .hero-stat-num .accent {
            color: var(--accent);
        }

        .hero-stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        /* ========== 限时条 ========== */
        .flash-bar {
            background: var(--accent);
            color: #1e2d3d;
            padding: 0.7rem 0;
            position: relative;
            z-index: 5;
        }

        .flash-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .flash-bar-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .flash-countdown {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
        }

        .flash-countdown .cd-num {
            background: #1e2d3d;
            color: #fff;
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.85rem;
            min-width: 34px;
            text-align: center;
        }

        .flash-bar .button {
            background: #1e2d3d;
            color: #fff;
            padding: 0.45rem 1.2rem;
            font-size: 0.82rem;
            box-shadow: none;
        }

        .flash-bar .button:hover {
            background: var(--bg-dark);
            transform: none;
            box-shadow: none;
        }

        /* ========== 通用板块样式 ========== */
        .section {
            padding: var(--spacing-xl) 0;
        }

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

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

        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }

        .section-header {
            margin-bottom: var(--spacing-lg);
        }

        .section-header .badge {
            margin-bottom: var(--spacing-xs);
        }

        .section-header h2 {
            margin-bottom: var(--spacing-xs);
        }

        .section-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 640px;
            line-height: 1.8;
        }

        .section-dark .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== 服务亮点 - 交错布局 ========== */
        .highlight-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-lg);
            align-items: center;
            margin-bottom: var(--spacing-xl);
        }

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

        .highlight-row.reverse {
            direction: rtl;
        }

        .highlight-row.reverse > * {
            direction: ltr;
        }

        .highlight-text h3 {
            font-size: 1.45rem;
            margin-bottom: var(--spacing-xs);
        }

        .highlight-text .highlight-index {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            display: block;
            margin-bottom: 6px;
        }

        .highlight-text p {
            color: var(--text-soft);
            line-height: 1.85;
            font-size: 0.95rem;
        }

        .highlight-feature-list {
            list-style: none;
            padding: 0;
            margin: var(--spacing-sm) 0;
        }

        .highlight-feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--text-soft);
            border-bottom: 1px dashed var(--border-light);
        }

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

        .highlight-feature-list i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .highlight-image-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .highlight-image-wrap img {
            width: 100%;
            height: 320px;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .highlight-image-wrap:hover img {
            transform: scale(1.05);
        }

        .highlight-image-tag {
            position: absolute;
            bottom: 14px;
            left: 14px;
            background: rgba(14, 26, 40, 0.85);
            color: #fff;
            padding: 0.35rem 0.9rem;
            border-radius: 6px;
            font-size: 0.78rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        /* ========== 时段卡 ========== */
        .time-slot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .time-slot-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 1.8rem 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
            overflow: hidden;
        }

        .time-slot-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--accent);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition);
        }

        .time-slot-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--accent);
        }

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

        .time-slot-time {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            margin-bottom: var(--spacing-xs);
        }

        .time-slot-card h3 {
            font-size: 1.15rem;
            margin-bottom: var(--spacing-xs);
        }

        .time-slot-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: var(--spacing-sm);
        }

        .time-slot-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
        }

        .time-slot-link:hover {
            color: var(--accent-dark);
            gap: 8px;
        }

        /* ========== 资讯区 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.6fr 1fr;
            gap: var(--spacing-lg);
        }

        .news-list {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .news-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1rem;
            padding-bottom: 0.8rem;
            border-bottom: 2px solid var(--border-light);
        }

        .news-list-header h3 {
            font-size: 1.1rem;
            margin-bottom: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .news-list-header h3 i {
            color: var(--accent);
        }

        .news-list-header .news-more {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 0.85rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

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

        .news-item:hover {
            padding-left: 6px;
        }

        .news-item-thumb {
            width: 88px;
            height: 64px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-item-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-item-body {
            flex: 1;
            min-width: 0;
        }

        .news-item-title {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            display: block;
            margin-bottom: 3px;
            transition: color var(--transition-fast);
        }

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

        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .news-item-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-md);
        }

        .news-sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 1.3rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .news-sidebar-card h4 {
            font-size: 0.98rem;
            margin-bottom: 0.8rem;
            display: flex;
            align-items: center;
            gap: 7px;
            color: var(--primary);
        }

        .news-sidebar-card h4 i {
            color: var(--accent);
            font-size: 0.85rem;
        }

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

        .hot-rank-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 0.5rem 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.85rem;
            color: var(--text-soft);
            transition: all var(--transition-fast);
        }

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

        .hot-rank-list li:hover {
            padding-left: 5px;
            color: var(--primary);
        }

        .rank-num {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .hot-rank-list li:nth-child(1) .rank-num {
            background: #fef0e0;
            color: #e67e22;
        }

        .hot-rank-list li:nth-child(2) .rank-num {
            background: #eef1f6;
            color: #4a5a6e;
        }

        .hot-rank-list li:nth-child(3) .rank-num {
            background: #fef5e8;
            color: #d4881a;
        }

        .recommend-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--bg-dark-2) 100%);
            border-radius: var(--radius-lg);
            padding: 1.4rem;
            color: #fff;
            border: none;
        }

        .recommend-card h4 {
            color: #fff;
            font-size: 0.98rem;
            margin-bottom: 0.5rem;
        }

        .recommend-card p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.7;
            margin-bottom: 0.8rem;
        }

        .recommend-card .button {
            background: var(--accent);
            color: #1e2d3d;
            font-size: 0.8rem;
            padding: 0.4rem 1rem;
            box-shadow: none;
        }

        .recommend-card .button:hover {
            background: var(--accent-dark);
            transform: none;
            box-shadow: none;
        }

        /* ========== 预约表单 ========== */
        .form-section {
            background: linear-gradient(180deg, var(--bg) 0%, var(--bg-white) 50%, var(--bg) 100%);
        }

        .form-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 2.2rem;
            border: 1px solid var(--border-light);
            max-width: 780px;
            margin: 0 auto;
        }

        .form-card h2 {
            text-align: center;
            margin-bottom: 0.3rem;
        }

        .form-card .form-sub {
            text-align: center;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.1rem;
        }

        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 0.35rem;
        }

        .form-group label .required {
            color: #e74c3c;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            font-size: 0.92rem;
            font-family: var(--font-base);
            color: var(--text);
            border: 1.5px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: all var(--transition-fast);
            -webkit-appearance: none;
            appearance: none;
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.15);
            outline: none;
            background: #fff;
        }

        .form-control::placeholder {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .form-control.error {
            border-color: #e74c3c;
            box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.12);
        }

        textarea.form-control {
            min-height: 110px;
            resize: vertical;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .form-check-group {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-soft);
        }

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

        .form-submit-row {
            text-align: center;
            margin-top: 1.2rem;
        }

        .form-submit-row .button {
            min-width: 200px;
        }

        .form-success-msg {
            display: none;
            background: #e8f8f0;
            border: 1px solid #b8e6d0;
            border-radius: var(--radius-sm);
            padding: 1rem;
            margin-top: 1rem;
            font-size: 0.88rem;
            color: #1a7a4e;
            text-align: center;
        }

        .form-success-msg.show {
            display: block;
        }

        /* ========== 底部固定转化条 ========== */
        .sticky-cta-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            box-shadow: 0 -4px 20px rgba(26, 58, 92, 0.12);
            padding: 0.6rem 1rem;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .sticky-cta-bar .sticky-text {
            font-size: 0.78rem;
            color: var(--text-soft);
            font-weight: 600;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sticky-cta-bar .button {
            font-size: 0.8rem;
            padding: 0.45rem 1rem;
            white-space: nowrap;
            flex-shrink: 0;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--spacing-xl) 0 var(--spacing-md);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: var(--spacing-lg);
            margin-bottom: var(--spacing-lg);
        }

        .footer-brand .brand-logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
            display: block;
        }

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

        .footer-brand p {
            font-size: 0.82rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.92rem;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 0.55rem;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.84rem;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        .footer-contact-info {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0.6rem;
            line-height: 1.6;
        }

        .footer-contact-info i {
            color: var(--accent);
            font-size: 0.85rem;
            margin-top: 4px;
            flex-shrink: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: var(--spacing-sm);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }

        .footer-bottom p {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.65);
            transition: all var(--transition-fast);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #1e2d3d;
            transform: translateY(-3px);
        }

        /* ========== 响应式断点 ========== */
        @media (max-width: 1024px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .hero-video h1 {
                font-size: 2.3rem;
            }
            .hero-video {
                min-height: 72vh;
            }
            .highlight-row {
                gap: var(--spacing-md);
            }
            .highlight-image-wrap img {
                height: 260px;
            }
            .time-slot-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr;
            }
            .footer-col:last-child {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.45rem;
            }
            h3 {
                font-size: 1.2rem;
            }
            .section {
                padding: var(--spacing-lg) 0;
            }
            .hero-video {
                min-height: auto;
                padding: var(--spacing-lg) 0;
            }
            .hero-video h1 {
                font-size: 1.75rem;
            }
            .hero-video .hero-desc {
                font-size: 0.92rem;
                line-height: 1.75;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
            .hero-play-btn {
                width: 52px;
                height: 52px;
            }
            .hero-play-btn i {
                font-size: 1.05rem;
            }

            .masthead-nav .container {
                align-items: center;
                flex-wrap: nowrap;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .brand-sub {
                font-size: 0.65rem;
            }
            .nav-divider {
                display: none;
            }
            .nav-channels {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 0.8rem;
                border-bottom: 2px solid var(--primary);
                box-shadow: var(--shadow-lg);
                gap: 0;
            }
            .nav-channels.open {
                display: flex;
            }
            .nav-channels a {
                padding: 0.7rem 1rem;
                border-radius: 6px;
                text-align: center;
            }
            .nav-channels a + a::before {
                display: none;
            }
            .nav-channels a.active::after {
                bottom: 4px;
                width: 28px;
            }
            .masthead-right {
                margin-left: auto;
            }
            .header-search {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }

            .highlight-row {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .highlight-row.reverse {
                direction: ltr;
            }
            .highlight-image-wrap img {
                height: 220px;
            }

            .time-slot-grid {
                grid-template-columns: 1fr;
            }

            .news-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }

            .form-card {
                padding: 1.4rem;
            }
            .form-row {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }
            .footer-col:last-child {
                grid-column: span 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .sticky-cta-bar {
                display: flex;
            }
            body {
                padding-bottom: 62px;
            }

            .flash-bar .container {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
        }

        @media (max-width: 520px) {
            h1 {
                font-size: 1.55rem;
            }
            h2 {
                font-size: 1.3rem;
            }
            .hero-video h1 {
                font-size: 1.5rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .hero-cta-group .button {
                width: 100%;
            }
            .hero-stats {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .highlight-image-wrap img {
                height: 180px;
            }
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-item-thumb {
                width: 100%;
                height: 140px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-sm);
            }
            .form-card {
                padding: 1.1rem;
            }
            .section {
                padding: var(--spacing-md) 0;
            }
            .brand-logo {
                font-size: 1.05rem;
            }
            .flash-bar-text {
                font-size: 0.78rem;
                flex-wrap: wrap;
                justify-content: center;
            }
            .header-top-bar .container {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }
        }