/* roulang page: index */
:root {
            --primary: #C73A2A;
            --primary-dark: #A22D1F;
            --primary-light: #E8673C;
            --primary-gradient: linear-gradient(135deg, #C73A2A 0%, #E8673C 55%, #F0A030 100%);
            --secondary: #F0A030;
            --secondary-light: #F6C46A;
            --accent: #E8673C;
            --bg-light: #FDF6F0;
            --bg-warm: #F8E8DC;
            --bg-dark: #2B1D16;
            --bg-dark-2: #3A2A20;
            --text-dark: #2D1F1A;
            --text-body: #4A3A32;
            --text-muted: #7A675E;
            --text-light: #B8A69C;
            --white: #FFFFFF;
            --border: #F0E3D8;
            --border-light: #FAF0E8;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(45, 31, 26, 0.06);
            --shadow-md: 0 6px 24px rgba(45, 31, 26, 0.09);
            --shadow-lg: 0 16px 48px rgba(45, 31, 26, 0.13);
            --shadow-primary: 0 8px 28px rgba(199, 58, 42, 0.28);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
            --transition-fast: 0.2s ease;
            --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --header-height: 76px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.72;
            color: var(--text-body);
            background-color: var(--bg-light);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button:focus,
        a:focus,
        input:focus,
        [tabindex]:focus {
            outline: 3px solid rgba(199, 58, 42, 0.35);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container-custom {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
            width: 100%;
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            background: var(--white);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 20px rgba(45, 31, 26, 0.06);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: 0 8px 32px rgba(45, 31, 26, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--header-height);
            gap: 20px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .brand-logo .logo-icon {
            width: 46px;
            height: 46px;
            background: var(--primary-gradient);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 22px;
            box-shadow: var(--shadow-primary);
            transition: transform var(--transition-base);
        }
        .brand-logo:hover .logo-icon {
            transform: rotate(-6deg) scale(1.04);
        }
        .brand-logo .brand-text {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .brand-text span {
            color: var(--primary);
        }
        .brand-logo:hover .brand-text {
            color: var(--primary);
        }

        .nav-icon-grid {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-icon-grid::-webkit-scrollbar {
            display: none;
        }
        .nav-icon-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 4px;
            padding: 8px 14px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all var(--transition-fast);
            min-width: 72px;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .nav-icon-item i {
            font-size: 18px;
            transition: transform var(--transition-fast);
            color: var(--text-muted);
        }
        .nav-icon-item:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .nav-icon-item:hover i {
            color: var(--primary);
            transform: translateY(-2px);
        }
        .nav-icon-item.active {
            color: var(--primary);
            background: rgba(199, 58, 42, 0.08);
        }
        .nav-icon-item.active i {
            color: var(--primary);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--primary-gradient);
            color: var(--white);
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            cursor: pointer;
            box-shadow: var(--shadow-primary);
            transition: all var(--transition-base);
            flex-shrink: 0;
        }
        .nav-cta-btn:hover {
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(199, 58, 42, 0.38);
        }
        .nav-cta-btn i {
            font-size: 14px;
        }

        .navbar-toggler-custom {
            display: none;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 10px 12px;
            color: var(--text-dark);
            font-size: 20px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--border-light);
            color: var(--primary);
        }

        .mobile-nav-collapse {
            display: none;
            border-top: 1px solid var(--border-light);
            background: var(--white);
            padding: 12px 0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.3s ease;
        }
        .mobile-nav-collapse.show {
            max-height: 420px;
            padding: 16px 0 20px;
        }
        .mobile-nav-collapse .nav-icon-item {
            flex-direction: row;
            justify-content: flex-start;
            gap: 12px;
            padding: 12px 16px;
            border-radius: 10px;
            min-width: auto;
            font-size: 15px;
            color: var(--text-body);
        }
        .mobile-nav-collapse .nav-icon-item i {
            font-size: 18px;
            width: 24px;
            text-align: center;
            color: var(--primary);
        }
        .mobile-nav-collapse .nav-icon-item:hover {
            background: var(--bg-light);
            color: var(--primary);
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--bg-dark);
            overflow: hidden;
            min-height: 620px;
            display: flex;
            align-items: center;
            clip-path: polygon(0 0, 100% 0, 100% 95%, 0 100%);
            margin-bottom: -1px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.jpg');
            background-size: cover;
            background-position: center;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(112deg, rgba(43, 29, 22, 0.92) 15%, rgba(199, 58, 42, 0.72) 55%, rgba(240, 160, 48, 0.48) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 100px 0 130px;
            color: var(--white);
            max-width: 720px;
        }
        .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 26px;
        }
        .hero-explosion {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--text-dark);
            font-weight: 800;
            font-size: 13px;
            text-align: center;
            line-height: 1.25;
            box-shadow: 0 8px 28px rgba(240, 160, 48, 0.45);
            transform: rotate(-10deg);
            animation: pulse-badge 2.4s ease-in-out infinite;
            flex-shrink: 0;
            letter-spacing: 0.5px;
        }
        @keyframes pulse-badge {
            0%, 100% { transform: rotate(-10deg) scale(1); }
            50% { transform: rotate(-10deg) scale(1.08); }
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 7px 18px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.28);
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            color: var(--white);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            letter-spacing: 0.5px;
        }
        .hero-tag i {
            color: var(--secondary-light);
            font-size: 14px;
        }
        .hero-title {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: 0.5px;
            color: var(--white);
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, #F6C46A, #F0A030);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.85;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 36px;
            max-width: 640px;
        }
        .hero-cta-row {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 34px;
            background: var(--white);
            color: var(--primary-dark);
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
        }
        .btn-hero-primary:hover {
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 16px 44px rgba(0, 0, 0, 0.26);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 28px;
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.55);
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition-base);
            backdrop-filter: blur(4px);
        }
        .btn-hero-secondary:hover {
            color: var(--white);
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }
        .hero-data-row {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-top: 42px;
            flex-wrap: wrap;
        }
        .hero-data-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-data-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--secondary-light);
        }
        .hero-data-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.5px;
        }
        .hero-data-divider {
            width: 1px;
            height: 36px;
            background: rgba(255, 255, 255, 0.25);
        }

        /* ========== 功能区/功能章节 ========== */
        .featured-section {
            padding: 80px 0 90px;
            background: var(--white);
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-label::before {
            content: '';
            width: 28px;
            height: 2px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }
        .section-title {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            color: var(--text-dark);
            line-height: 1.35;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.85;
            max-width: 640px;
            margin-bottom: 44px;
        }
        .feature-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-light);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 32px 26px 28px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .feature-card:hover {
            background: var(--white);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
            transform: translateY(-6px);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 24px;
            margin-bottom: 20px;
            box-shadow: 0 6px 20px rgba(199, 58, 42, 0.25);
            transition: transform var(--transition-base);
        }
        .feature-card:hover .feature-card-icon {
            transform: scale(1.08) rotate(-4deg);
        }
        .feature-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .feature-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .feature-card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(240, 160, 48, 0.15);
            color: #B8791E;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            margin-top: 14px;
            letter-spacing: 0.3px;
        }

        /* ========== 数据指标条 ========== */
        .stats-band {
            background: var(--bg-dark);
            padding: 52px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-band::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.14), transparent 70%);
            pointer-events: none;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 16px 12px;
        }
        .stat-number {
            font-size: clamp(30px, 4vw, 42px);
            font-weight: 800;
            color: var(--secondary-light);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.5px;
        }

        /* ========== 客户证言 ========== */
        .testimonials-section {
            padding: 80px 0 90px;
            background: var(--bg-light);
        }
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            position: relative;
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .testimonial-quote-icon {
            font-size: 32px;
            color: rgba(199, 58, 42, 0.18);
            margin-bottom: 14px;
            display: block;
        }
        .testimonial-text {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 20px;
            font-style: italic;
        }
        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }
        .testimonial-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.3px;
        }
        .testimonial-meta {
            font-size: 13px;
            color: var(--text-muted);
        }
        .testimonial-rating {
            margin-left: auto;
            color: var(--secondary);
            font-size: 13px;
            letter-spacing: 2px;
        }

        /* ========== 资讯列表 ========== */
        .news-section {
            padding: 80px 0 90px;
            background: var(--white);
        }
        .news-layout {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 36px;
            align-items: start;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-list-item:first-child {
            border-top: 1px solid var(--border-light);
        }
        .news-list-item:hover {
            padding-left: 12px;
            border-bottom-color: var(--primary);
        }
        .news-list-item:hover .news-list-title {
            color: var(--primary);
        }
        .news-list-num {
            font-size: 26px;
            font-weight: 800;
            color: rgba(199, 58, 42, 0.2);
            min-width: 40px;
            text-align: center;
            flex-shrink: 0;
            letter-spacing: -1px;
        }
        .news-list-content {
            flex: 1;
            min-width: 0;
        }
        .news-list-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            transition: color var(--transition-fast);
            display: block;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-list-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12.5px;
            color: var(--text-muted);
        }
        .news-list-meta i {
            font-size: 12px;
            color: var(--primary-light);
        }
        .news-list-badge {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(199, 58, 42, 0.08);
            color: var(--primary);
            border-radius: 50px;
            font-size: 11.5px;
            font-weight: 600;
            flex-shrink: 0;
            letter-spacing: 0.3px;
        }
        .news-sidebar {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
        }
        .news-sidebar-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .news-sidebar-title i {
            color: var(--primary);
        }
        .news-sidebar-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .news-sidebar-item:last-child {
            border-bottom: none;
        }
        .news-sidebar-item:hover .news-sidebar-title-text {
            color: var(--primary);
        }
        .news-sidebar-thumb {
            width: 64px;
            height: 48px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-sidebar-info {
            flex: 1;
            min-width: 0;
        }
        .news-sidebar-title-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-dark);
            line-height: 1.5;
            margin-bottom: 4px;
            transition: color var(--transition-fast);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-sidebar-time {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* ========== 直播回放轨 ========== */
        .replay-section {
            padding: 70px 0 90px;
            background: var(--bg-light);
        }
        .replay-scroll {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding: 12px 4px 24px;
            scrollbar-width: thin;
            scrollbar-color: var(--primary) var(--border);
        }
        .replay-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .replay-scroll::-webkit-scrollbar-track {
            background: var(--border-light);
            border-radius: 3px;
        }
        .replay-scroll::-webkit-scrollbar-thumb {
            background: var(--primary);
            border-radius: 3px;
        }
        .replay-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .replay-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .replay-thumb-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }
        .replay-thumb-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .replay-card:hover .replay-thumb-wrap img {
            transform: scale(1.06);
        }
        .replay-duration {
            position: absolute;
            bottom: 12px;
            right: 12px;
            padding: 4px 12px;
            background: rgba(0, 0, 0, 0.72);
            color: var(--white);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.5px;
        }
        .replay-live-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            background: #E53935;
            color: var(--white);
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.5px;
        }
        .replay-live-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--white);
            animation: blink-dot 1.5s ease-in-out infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
        .replay-card-body {
            padding: 18px 20px 20px;
        }
        .replay-card-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.5;
        }
        .replay-card-meta {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .replay-card-meta i {
            color: var(--primary);
            margin-right: 6px;
        }

        /* ========== 价格对比 ========== */
        .comparison-section {
            padding: 80px 0 90px;
            background: var(--white);
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }
        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 30px;
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .comparison-card.regular {
            background: var(--bg-light);
            border: 1px solid var(--border);
        }
        .comparison-card.premium {
            background: var(--bg-dark);
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
        }
        .comparison-card-label {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(199, 58, 42, 0.12);
            color: var(--primary);
            border-radius: 50px;
            font-size: 12.5px;
            font-weight: 700;
            letter-spacing: 0.8px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .comparison-card.premium .comparison-card-label {
            background: rgba(240, 160, 48, 0.2);
            color: var(--secondary-light);
        }
        .comparison-card-title {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .comparison-card.regular .comparison-card-title {
            color: var(--text-dark);
        }
        .comparison-card.premium .comparison-card-title {
            color: var(--white);
        }
        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0 0 22px;
        }
        .comparison-list li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 9px 0;
            font-size: 14.5px;
            line-height: 1.6;
        }
        .comparison-card.regular .comparison-list li {
            color: var(--text-body);
        }
        .comparison-card.premium .comparison-list li {
            color: rgba(255, 255, 255, 0.85);
        }
        .comparison-list i {
            font-size: 15px;
            flex-shrink: 0;
        }
        .comparison-list .fa-check-circle {
            color: #2E7D32;
        }
        .comparison-card.premium .comparison-list .fa-check-circle {
            color: #81C784;
        }
        .comparison-list .fa-times-circle {
            color: #C62828;
        }
        .comparison-card.premium .comparison-list .fa-minus-circle {
            color: rgba(255, 255, 255, 0.5);
        }
        .comparison-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14.5px;
            cursor: pointer;
            border: none;
            transition: all var(--transition-base);
        }
        .comparison-card.regular .comparison-cta {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .comparison-card.regular .comparison-cta:hover {
            background: var(--primary);
            color: var(--white);
        }
        .comparison-card.premium .comparison-cta {
            background: var(--primary-gradient);
            color: var(--white);
            box-shadow: var(--shadow-primary);
        }
        .comparison-card.premium .comparison-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(199, 58, 42, 0.42);
        }

        /* ========== 误区澄清 ========== */
        .myth-section {
            padding: 70px 0 80px;
            background: var(--bg-light);
        }
        .myth-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .myth-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            border-left: 4px solid #E53935;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .myth-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .myth-card.fact {
            border-left-color: #2E7D32;
        }
        .myth-card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.8px;
            margin-bottom: 8px;
            text-transform: uppercase;
        }
        .myth-card .myth-card-tag {
            color: #C62828;
        }
        .myth-card.fact .myth-card-tag {
            color: #2E7D32;
        }
        .myth-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .myth-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ========== 热播推荐 ========== */
        .hot-section {
            padding: 80px 0 90px;
            background: var(--white);
        }
        .hot-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .hot-main-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
        }
        .hot-main-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
        }
        .hot-main-img {
            aspect-ratio: 16/8;
            overflow: hidden;
            position: relative;
        }
        .hot-main-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }
        .hot-main-card:hover .hot-main-img img {
            transform: scale(1.04);
        }
        .hot-main-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            padding: 6px 16px;
            background: #E53935;
            color: var(--white);
            border-radius: 50px;
            font-size: 12.5px;
            font-weight: 700;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hot-main-badge i {
            font-size: 11px;
        }
        .hot-main-body {
            padding: 22px 26px 26px;
        }
        .hot-main-title {
            font-size: 19px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .hot-main-desc {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .hot-main-meta {
            display: flex;
            align-items: center;
            gap: 18px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hot-main-meta i {
            color: var(--primary);
            margin-right: 6px;
        }
        .hot-mini-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hot-mini-card {
            display: flex;
            gap: 14px;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            border: 1px solid var(--border-light);
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .hot-mini-card:hover {
            background: var(--white);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .hot-mini-thumb {
            width: 76px;
            height: 60px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .hot-mini-info {
            flex: 1;
            min-width: 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .hot-mini-title {
            font-size: 14.5px;
            font-weight: 700;
            color: var(--text-dark);
            line-height: 1.45;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .hot-mini-meta {
            font-size: 12.5px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .hot-mini-meta .hot-tag {
            padding: 2px 10px;
            background: rgba(199, 58, 42, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
        }

        /* ========== CTA 转化区 ========== */
        .cta-section {
            padding: 70px 0 80px;
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(240, 160, 48, 0.16), transparent 65%);
            pointer-events: none;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -50%;
            right: -5%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(199, 58, 42, 0.18), transparent 65%);
            pointer-events: none;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: clamp(24px, 3.5vw, 36px);
            font-weight: 800;
            color: var(--white);
            line-height: 1.4;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.85;
            margin-bottom: 32px;
        }
        .cta-btn-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 36px;
            background: var(--primary-gradient);
            color: var(--white);
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 10px 36px rgba(199, 58, 42, 0.4);
            transition: all var(--transition-base);
        }
        .btn-cta-primary:hover {
            color: var(--white);
            transform: translateY(-3px);
            box-shadow: 0 18px 48px rgba(199, 58, 42, 0.52);
        }
        .btn-cta-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 30px;
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.4);
            border-radius: 50px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: all var(--transition-base);
        }
        .btn-cta-secondary:hover {
            color: var(--white);
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }
        .cta-trust-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            margin-top: 28px;
            flex-wrap: wrap;
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.65);
        }
        .cta-trust-row i {
            color: #81C784;
            margin-right: 6px;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 80px 0 70px;
            background: var(--white);
        }
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }
        .faq-item:hover .faq-question {
            color: var(--primary);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.3px;
            transition: color var(--transition-fast);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 16px;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease;
            opacity: 0;
            font-size: 15px;
            line-height: 1.85;
            color: var(--text-muted);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            opacity: 1;
            padding-top: 12px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            padding: 48px 0 28px;
            color: rgba(255, 255, 255, 0.62);
            margin-top: auto;
        }
        .footer-top {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            padding-bottom: 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            max-width: 340px;
        }
        .footer-brand .brand-logo {
            margin-bottom: 14px;
        }
        .footer-brand .brand-text {
            color: var(--white);
            font-size: 17px;
            font-weight: 700;
        }
        .footer-brand .brand-text span {
            color: var(--secondary);
        }
        .footer-brand-desc {
            font-size: 13.5px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-links {
            display: flex;
            gap: 48px;
            flex-wrap: wrap;
        }
        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            font-size: 13.5px;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--secondary-light);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            flex-wrap: wrap;
            padding-top: 20px;
            font-size: 12.5px;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.45);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--secondary-light);
        }

        /* ========== 浮动转化条 ========== */
        .floating-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: var(--white);
            border-top: 1px solid var(--border-light);
            box-shadow: 0 -4px 24px rgba(45, 31, 26, 0.1);
            z-index: 1040;
            transform: translateY(100%);
            transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 12px 0;
        }
        .floating-cta-bar.visible {
            transform: translateY(0);
        }
        .floating-cta-inner {
            display: flex;
            align-items: center;
            gap: 18px;
            flex-wrap: wrap;
        }
        .floating-cta-text {
            flex: 1;
            min-width: 200px;
        }
        .floating-cta-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 2px;
        }
        .floating-cta-sub {
            font-size: 13px;
            color: var(--text-muted);
        }
        .floating-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 26px;
            background: var(--primary-gradient);
            color: var(--white);
            border: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            cursor: pointer;
            box-shadow: var(--shadow-primary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .floating-cta-btn:hover {
            color: var(--white);
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(199, 58, 42, 0.4);
        }
        .floating-cta-close {
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 16px;
            cursor: pointer;
            padding: 6px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .floating-cta-close:hover {
            color: var(--text-dark);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .feature-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .news-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hot-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .hero-content {
                padding: 70px 0 110px;
            }
            .hero-section {
                min-height: 540px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .container-custom {
                padding-left: 18px;
                padding-right: 18px;
            }
            .nav-icon-grid {
                gap: 4px;
            }
            .nav-icon-item {
                padding: 6px 10px;
                font-size: 12px;
                min-width: 58px;
                gap: 2px;
            }
            .nav-icon-item i {
                font-size: 15px;
            }
            .brand-logo .brand-text {
                font-size: 16px;
                letter-spacing: 0.2px;
            }
            .brand-logo .logo-icon {
                width: 38px;
                height: 38px;
                font-size: 18px;
                border-radius: 11px;
            }
            .nav-cta-btn {
                padding: 8px 16px;
                font-size: 13px;
                gap: 6px;
            }
            .hero-section {
                min-height: 500px;
                clip-path: polygon(0 0, 100% 0, 100% 97%, 0 100%);
            }
            .hero-content {
                padding: 56px 0 90px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
                margin-bottom: 26px;
            }
            .hero-cta-row {
                gap: 12px;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 12px 24px;
                font-size: 14.5px;
            }
            .hero-data-row {
                gap: 18px;
                margin-top: 28px;
            }
            .hero-data-number {
                font-size: 22px;
            }
            .hero-data-divider {
                height: 28px;
            }
            .hero-explosion {
                width: 48px;
                height: 48px;
                font-size: 11px;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 14.5px;
                margin-bottom: 28px;
            }
            .featured-section,
            .testimonials-section,
            .news-section,
            .replay-section,
            .comparison-section,
            .myth-section,
            .hot-section,
            .cta-section,
            .faq-section {
                padding: 50px 0 60px;
            }
            .feature-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .feature-card {
                padding: 24px 22px 22px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .myth-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .replay-card {
                flex: 0 0 240px;
            }
            .comparison-card {
                padding: 24px 22px;
            }
            .hot-mini-card {
                padding: 12px;
            }
            .hot-mini-thumb {
                width: 60px;
                height: 48px;
            }
            .footer-top {
                flex-direction: column;
                gap: 20px;
            }
            .footer-links {
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .floating-cta-inner {
                gap: 12px;
            }
            .floating-cta-title {
                font-size: 14px;
            }
            .floating-cta-sub {
                font-size: 12px;
            }
            .floating-cta-btn {
                padding: 10px 20px;
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .container-custom {
                padding-left: 14px;
                padding-right: 14px;
            }
            .header-inner {
                gap: 10px;
            }
            .nav-icon-item {
                font-size: 11px;
                padding: 5px 7px;
                min-width: 48px;
            }
            .nav-icon-item i {
                font-size: 13px;
            }
            .brand-logo .brand-text {
                font-size: 14px;
            }
            .nav-cta-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
            .hero-section {
                min-height: 470px;
            }
            .hero-title {
                font-size: 24px;
                line-height: 1.35;
            }
            .hero-desc {
                font-size: 14px;
                line-height: 1.7;
                margin-bottom: 22px;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                justify-content: center;
                text-align: center;
            }
            .hero-data-row {
                gap: 14px;
            }
            .hero-data-number {
                font-size: 19px;
            }
            .hero-data-label {
                font-size: 11px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stat-number {
                font-size: 26px;
            }
            .section-title {
                font-size: 21px;
            }
            .replay-card {
                flex: 0 0 200px;
            }
            .news-list-item {
                gap: 12px;
                padding: 14px 0;
            }
            .news-list-num {
                font-size: 20px;
                min-width: 30px;
            }
            .news-list-title {
                font-size: 14px;
            }
            .faq-question {
                font-size: 15px;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-btn-row {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-cta-primary,
            .btn-cta-secondary {
                justify-content: center;
            }
            .floating-cta-inner {
                flex-wrap: wrap;
                gap: 8px;
            }
            .floating-cta-text {
                min-width: 140px;
            }
        }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}