/* roulang page: index */
:root {
            --primary: #1565c0;
            --primary-dark: #0d47a1;
            --primary-light: #e3f2fd;
            --secondary: #0288d1;
            --accent: #ff6f00;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --card-shadow: 0 10px 25px -5px rgba(21, 101, 192, 0.08), 0 8px 10px -6px rgba(21, 101, 192, 0.04);
            --card-hover-shadow: 0 20px 30px -10px rgba(21, 101, 192, 0.15), 0 10px 15px -5px rgba(21, 101, 192, 0.08);
            --radius-md: 12px;
            --radius-lg: 18px;
            --transition: all 0.3s ease-in-out;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

        /* 顶部导航 Header & Mega Menu */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .navbar-brand-custom {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand-custom i {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .nav-link-custom {
            font-weight: 500;
            color: var(--text-dark);
            padding: 0.6rem 1rem !important;
            border-radius: 8px;
            transition: var(--transition);
        }
        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--primary);
            background-color: var(--primary-light);
        }
        
        /* 导航 Mega 区域 */
        .dropdown-mega {
            position: static;
        }
        .dropdown-menu-mega {
            width: 100%;
            left: 0;
            right: 0;
            top: 100%;
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            margin-top: 0;
        }

        /* Hero 资源检索风格 + 直播预告横幅 */
        .hero-banner {
            position: relative;
            background: linear-gradient(135deg, rgba(13, 71, 161, 0.9) 0%, rgba(21, 101, 192, 0.82) 100%), url('/assets/images/1810dfc8f6ac5234.webp') center/cover no-view;
            color: #ffffff;
            padding: 90px 0 70px;
            overflow: hidden;
        }
        .hero-title-main {
            font-size: 2.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .hero-intro-text {
            font-size: 1.08rem;
            color: #e0f2fe;
            max-width: 820px;
            margin: 0 auto 35px;
            line-height: 1.8;
        }
        .hero-search-wrapper {
            max-width: 740px;
            margin: 0 auto 25px;
            background: #ffffff;
            padding: 8px;
            border-radius: 50px;
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
            display: flex;
            align-items: center;
        }
        .hero-search-input {
            border: none;
            padding: 12px 24px;
            flex-grow: 1;
            font-size: 1rem;
            outline: none;
            border-radius: 50px 0 0 50px;
            color: var(--text-dark);
        }
        .hero-search-btn {
            background: var(--primary);
            color: #ffffff;
            border: none;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .hero-search-btn:hover {
            background: var(--primary-dark);
        }
        .hero-quick-tags {
            font-size: 0.9rem;
            color: #bae6fd;
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .hero-quick-tags a {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.15);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            backdrop-filter: blur(4px);
        }
        .hero-quick-tags a:hover {
            background: rgba(255, 255, 255, 0.3);
            color: #ffffff;
        }

        /* 直播预告胶囊条 */
        .live-preview-pill {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            padding: 6px 18px;
            margin-bottom: 25px;
            font-size: 0.9rem;
        }
        .badge-live-pulse {
            width: 10px;
            height: 10px;
            background-color: #ef4444;
            border-radius: 50%;
            display: inline-block;
            margin-right: 8px;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7); }
            70% { transform: scale(1.1); box-shadow: 0 0 0 8px rgba(239, 68, 68, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0); }
        }

        /* 通用板块样式 */
        .content-section {
            padding: 70px 0;
        }
        .bg-surface {
            background-color: #ffffff;
        }
        .bg-soft {
            background-color: #f1f5f9;
        }
        .section-header {
            margin-bottom: 45px;
        }
        .section-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 14px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 780px;
            line-height: 1.7;
        }

        /* 卡片视觉 */
        .custom-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            height: 100%;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .custom-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
            border-color: #cbd5e1;
        }
        .card-media-box {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            margin-bottom: 18px;
            background-color: #0f172a;
        }
        .card-media-box img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .custom-card:hover .card-media-box img {
            transform: scale(1.05);
        }
        .media-tag-float {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(4px);
            color: #fff;
            font-size: 0.75rem;
            padding: 3px 10px;
            border-radius: 6px;
            font-weight: 600;
        }
        .media-duration {
            position: absolute;
            bottom: 10px;
            right: 10px;
            background: rgba(0, 0, 0, 0.8);
            color: #fff;
            font-size: 0.75rem;
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* 标签与徽章 */
        .filter-badge {
            display: inline-block;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            color: var(--text-muted);
            padding: 7px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }
        .filter-badge:hover, .filter-badge.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 排行列表项 */
        .rank-list-item {
            display: flex;
            align-items: center;
            padding: 16px;
            border-bottom: 1px solid var(--border-color);
            background: #ffffff;
            border-radius: 8px;
            margin-bottom: 10px;
            transition: var(--transition);
        }
        .rank-list-item:hover {
            background: #f8fafc;
            border-color: #94a3b8;
        }
        .rank-number {
            font-size: 1.4rem;
            font-weight: 800;
            width: 40px;
            text-align: center;
            color: #94a3b8;
        }
        .rank-number.top1 { color: #e11d48; }
        .rank-number.top2 { color: #ea580c; }
        .rank-number.top3 { color: #d97706; }

        /* 直播开播倒计时卡片 */
        .live-countdown-card {
            background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
            border-radius: var(--radius-lg);
            color: #fff;
            padding: 36px;
            border: 1px solid rgba(255,255,255,0.1);
        }
        .timer-unit-box {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            padding: 12px 18px;
            text-align: center;
            min-width: 75px;
        }
        .timer-unit-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: #38bdf8;
            line-height: 1;
            margin-bottom: 4px;
        }
        .timer-unit-label {
            font-size: 0.75rem;
            color: #94a3b8;
            text-transform: uppercase;
        }

        /* 资讯与安全条目 */
        .news-item-card {
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            background: #ffffff;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            margin-bottom: 16px;
        }

        /* 底部 Footer */
        .site-footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 25px;
            border-top: 1px solid #1e293b;
        }
        .site-footer h5 {
            color: #ffffff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .site-footer ul {
            padding-left: 0;
            list-style: none;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: #94a3b8;
        }
        .site-footer ul li a:hover {
            color: #38bdf8;
        }
        .footer-bottom-bar {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            margin-top: 40px;
            font-size: 0.88rem;
        }

        /* 响应式调整 */
        @media (max-width: 991px) {
            .hero-title-main { font-size: 1.95rem; }
            .dropdown-menu-mega { position: static; }
        }
        @media (max-width: 767px) {
            .hero-title-main { font-size: 1.65rem; }
            .hero-search-wrapper { flex-direction: column; border-radius: 16px; padding: 12px; }
            .hero-search-input { width: 100%; border-radius: 8px; margin-bottom: 10px; }
            .hero-search-btn { width: 100%; border-radius: 8px; }
            .content-section { padding: 45px 0; }
        }

/* roulang page: category2 */
:root {
      --primary: #1565c0;
      --primary-dark: #0d47a1;
      --primary-light: #e3f2fd;
      --secondary: #0288d1;
      --accent: #ff6f00;
      --text-dark: #1e293b;
      --text-muted: #64748b;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(21, 101, 192, 0.08), 0 8px 10px -6px rgba(21, 101, 192, 0.04);
      --card-hover-shadow: 0 20px 30px -10px rgba(21, 101, 192, 0.15), 0 10px 15px -5px rgba(21, 101, 192, 0.08);
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.3s ease-in-out;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: var(--primary);
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-dark);
    }

    /* 顶部导航 Header */
    .site-header {
      background-color: rgba(255, 255, 255, 0.98);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1050;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }
    .navbar-brand-custom {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .navbar-brand-custom i {
      color: var(--primary);
      font-size: 1.5rem;
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-dark);
      padding: 0.6rem 1rem !important;
      border-radius: 8px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }

    /* 独立站品牌大图叙事 Hero */
    .hero-narrative {
      position: relative;
      background: linear-gradient(135deg, rgba(13, 71, 161, 0.92) 0%, rgba(2, 136, 209, 0.88) 100%), url('/assets/images/01ac52d5686a6821.webp') center/cover no-repeat;
      color: #ffffff;
      padding: 100px 0 80px;
    }
    .hero-eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.16);
      border: 1px solid rgba(255, 255, 255, 0.3);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
      letter-spacing: 0.5px;
      margin-bottom: 20px;
    }
    .hero-title-main {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 22px;
      letter-spacing: -0.5px;
    }
    .hero-summary {
      font-size: 1.15rem;
      color: #e0f2fe;
      max-width: 780px;
      line-height: 1.8;
      margin-bottom: 35px;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .btn-action-primary {
      background: #ffffff;
      color: var(--primary-dark);
      font-weight: 700;
      padding: 14px 34px;
      border-radius: 50px;
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
      border: none;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-action-primary:hover {
      background: #f0fdf4;
      color: var(--primary);
      transform: translateY(-2px);
    }
    .btn-action-outline {
      border: 2px solid rgba(255, 255, 255, 0.8);
      color: #ffffff;
      font-weight: 600;
      padding: 13px 30px;
      border-radius: 50px;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-action-outline:hover {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      border-color: #ffffff;
    }

    /* 板块通用 */
    .section-spacing {
      padding: 85px 0;
    }
    .section-spacing-alt {
      padding: 85px 0;
      background-color: #f1f5f9;
    }
    .section-tagline {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-size: 0.82rem;
      font-weight: 700;
      padding: 6px 14px;
      border-radius: 20px;
      margin-bottom: 12px;
    }
    .section-heading {
      font-size: 2.1rem;
      font-weight: 800;
      color: var(--text-dark);
      margin-bottom: 14px;
      line-height: 1.35;
    }
    .section-desc {
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 720px;
      line-height: 1.7;
    }

    /* 卡片体系 */
    .custom-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      transition: var(--transition);
      box-shadow: var(--card-shadow);
      height: 100%;
      position: relative;
    }
    .custom-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--card-hover-shadow);
      border-color: #cbd5e1;
    }
    .card-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 22px;
    }

    /* 场景左右图文流式 */
    .feature-showcase-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow: hidden;
    }
    .feature-img-wrapper {
      position: relative;
      min-height: 380px;
      height: 100%;
    }
    .feature-img-wrapper img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }
    .feature-badge-float {
      position: absolute;
      top: 20px;
      left: 20px;
      background: rgba(13, 71, 161, 0.88);
      color: #ffffff;
      padding: 6px 14px;
      border-radius: 30px;
      font-size: 0.8rem;
      font-weight: 600;
      backdrop-filter: blur(5px);
    }
    .feature-content-inner {
      padding: 45px 40px;
    }

    /* 播放器/声学测试指标块 */
    .metric-terminal-card {
      background: #0f172a;
      border-radius: var(--radius-lg);
      color: #f8fafc;
      padding: 36px 30px;
      box-shadow: 0 20px 40px rgba(15, 23, 42, 0.25);
    }
    .metric-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 14px 0;
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .metric-row:last-child {
      border-bottom: none;
    }

    /* 成功案例卡片 */
    .case-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .case-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
    }
    .case-card-thumb {
      height: 220px;
      position: relative;
      overflow: hidden;
    }
    .case-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .case-card:hover .case-card-thumb img {
      transform: scale(1.06);
    }
    .case-card-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    /* 套餐/码率规格定价表 */
    .tier-card {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      padding: 36px 28px;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      position: relative;
    }
    .tier-card.featured {
      border: 2px solid var(--primary);
      box-shadow: 0 15px 35px rgba(21, 101, 192, 0.12);
    }
    .tier-badge {
      position: absolute;
      top: -14px;
      right: 24px;
      background: var(--accent);
      color: #ffffff;
      padding: 4px 14px;
      border-radius: 30px;
      font-size: 0.75rem;
      font-weight: 700;
    }

    /* 评价墙 */
    .review-quote-card {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      height: 100%;
      box-shadow: var(--card-shadow);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    /* 资讯列表行 */
    .news-horizontal-item {
      background: var(--bg-white);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      transition: var(--transition);
    }
    .news-horizontal-item:hover {
      border-color: var(--primary);
      transform: translateX(4px);
      box-shadow: var(--card-shadow);
    }

    /* 底部收官 CTA */
    .cta-ribbon-section {
      background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
      color: #ffffff;
      padding: 70px 0;
      border-radius: var(--radius-lg);
      margin: 40px auto 80px;
      box-shadow: 0 20px 40px rgba(13, 71, 161, 0.2);
    }

    /* 页脚 Footer */
    .site-footer {
      background-color: #0b192c;
      color: #cbd5e1;
      padding: 70px 0 30px;
      border-top: 1px solid #1e293b;
    }
    .footer-brand {
      font-size: 1.3rem;
      font-weight: 700;
      color: #ffffff;
      display: flex;
      align-items: center;
    }
    .footer-title {
      font-size: 1.05rem;
      font-weight: 600;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding-left: 0;
      margin-bottom: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.92rem;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 25px;
      margin-top: 45px;
      font-size: 0.85rem;
      color: #64748b;
    }

    @media (max-width: 991px) {
      .hero-title-main { font-size: 2.1rem; }
      .section-heading { font-size: 1.75rem; }
      .feature-img-wrapper { min-height: 260px; }
      .feature-content-inner { padding: 30px 24px; }
    }

/* roulang page: category1 */
:root {
            --primary: #1565c0;
            --primary-dark: #0d47a1;
            --primary-light: #e3f2fd;
            --secondary: #0288d1;
            --accent: #ff6f00;
            --accent-hover: #e65100;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --card-shadow: 0 10px 25px -5px rgba(21, 101, 192, 0.08), 0 8px 10px -6px rgba(21, 101, 192, 0.04);
            --card-hover-shadow: 0 20px 30px -10px rgba(21, 101, 192, 0.15), 0 10px 15px -5px rgba(21, 101, 192, 0.08);
            --radius-md: 12px;
            --radius-lg: 18px;
            --transition: all 0.3s ease-in-out;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

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

        /* 顶部导航 Header & Mega Menu */
        .site-header {
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }

        .navbar-brand-custom {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .navbar-brand-custom i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .nav-link-custom {
            font-weight: 500;
            color: var(--text-dark);
            padding: 0.6rem 1rem !important;
            border-radius: 8px;
            transition: var(--transition);
        }

        .nav-link-custom:hover, .nav-link-custom.active {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .mega-dropdown {
            position: static;
        }

        .mega-menu-panel {
            width: 100%;
            left: 0;
            right: 0;
            top: 100%;
            padding: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            border-radius: 0 0 var(--radius-md) var(--radius-md);
            margin-top: 0;
        }

        /* 分类页 Hero：拼团转化与成团提示 */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(13, 71, 161, 0.92) 0%, rgba(21, 101, 192, 0.85) 100%), url('/assets/images/49551c7f823aa8b9.webp') center/cover no-repeat;
            color: #ffffff;
            padding: 80px 0 65px;
            overflow: hidden;
        }

        .hero-group-badge {
            display: inline-flex;
            align-items: center;
            background: rgba(255, 111, 0, 0.2);
            border: 1px solid rgba(255, 111, 0, 0.6);
            color: #ffcc80;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-group-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background-color: #ff6f00;
            border-radius: 50%;
            margin-right: 8px;
            box-shadow: 0 0 10px #ff6f00;
        }

        .hero-heading {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            letter-spacing: -0.5px;
        }

        .hero-lead {
            font-size: 1.1rem;
            color: #e3f2fd;
            max-width: 780px;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .group-status-card {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 30px;
        }

        .user-avatars {
            display: flex;
            align-items: center;
        }

        .avatar-img {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid #ffffff;
            margin-left: -10px;
            background: #cbd5e1;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary-dark);
            font-size: 0.85rem;
        }

        .avatar-img:first-child {
            margin-left: 0;
        }

        .btn-group-primary {
            background: var(--accent);
            color: #ffffff;
            font-weight: 700;
            padding: 14px 34px;
            border-radius: 30px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 10px 20px rgba(255, 111, 0, 0.35);
        }

        .btn-group-primary:hover {
            background: var(--accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
        }

        .btn-group-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff;
            font-weight: 600;
            padding: 14px 30px;
            border-radius: 30px;
            border: 1px solid rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .btn-group-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
            color: #ffffff;
        }

        /* 通用板块与排版 */
        .content-section {
            padding: 75px 0;
            position: relative;
        }

        .section-alt {
            background-color: #f1f5f9;
        }

        .section-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 5px 16px;
            border-radius: 30px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
            line-height: 1.35;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.75;
        }

        .custom-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
            transition: var(--transition);
            overflow: hidden;
            height: 100%;
        }

        .custom-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
            border-color: #cbd5e1;
        }

        /* 价值主张板块 */
        .value-feature-item {
            display: flex;
            gap: 18px;
            margin-bottom: 25px;
        }

        .feature-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        /* 功能矩阵卡片 */
        .matrix-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: #eff6ff;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 18px;
        }

        /* 场景展示 */
        .scene-card-img {
            height: 200px;
            object-fit: cover;
            width: 100%;
        }

        .scene-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(15, 23, 42, 0.75);
            backdrop-filter: blur(4px);
            color: #ffffff;
            font-size: 0.78rem;
            padding: 4px 10px;
            border-radius: 6px;
        }

        /* 播放演示与截图 */
        .demo-player-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
            border: 1px solid var(--border-color);
        }

        .demo-player-img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            display: block;
        }

        .player-overlay-hud {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, transparent 60%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 30px;
            color: #ffffff;
        }

        /* 案例精析交错板块 */
        .case-thumb-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .case-thumb-img {
            width: 100%;
            height: 280px;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-thumb-wrap:hover .case-thumb-img {
            transform: scale(1.03);
        }

        /* 拼团价格套餐卡 */
        .pricing-card {
            border: 2px solid transparent;
            position: relative;
            background: #ffffff;
        }

        .pricing-card.popular {
            border-color: var(--accent);
            box-shadow: 0 15px 35px rgba(255, 111, 0, 0.12);
        }

        .pricing-badge-popular {
            position: absolute;
            top: -14px;
            right: 25px;
            background: var(--accent);
            color: #ffffff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
        }

        .price-text {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary-dark);
        }

        /* 评价墙 */
        .quote-bubble {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .quote-user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 15px;
        }

        .quote-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* 资讯卡片 */
        .news-item-card {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
            display: flex;
            gap: 20px;
            align-items: center;
        }

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

        .news-thumb {
            width: 140px;
            height: 95px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
        }

        /* 底部强转化 CTA */
        .group-cta-strip {
            background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
            color: #ffffff;
            padding: 70px 0;
            border-radius: var(--radius-lg);
            position: relative;
            overflow: hidden;
        }

        /* 页脚 Footer */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 70px 0 30px;
            border-top: 1px solid #1e293b;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
        }

        .footer-title {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .footer-links a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .footer-bottom {
            margin-top: 50px;
            padding-top: 25px;
            border-top: 1px solid #1e293b;
            font-size: 0.85rem;
            color: #64748b;
        }

        @media (max-width: 991.98px) {
            .hero-heading {
                font-size: 2rem;
            }
            .content-section {
                padding: 50px 0;
            }
            .news-item-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 180px;
            }
        }

/* roulang page: category3 */
:root {
      --primary: #1565c0;
      --primary-dark: #0d47a1;
      --primary-light: #e3f2fd;
      --secondary: #0288d1;
      --accent: #ff6f00;
      --text-dark: #1e293b;
      --text-muted: #64748b;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(21, 101, 192, 0.08), 0 8px 10px -6px rgba(21, 101, 192, 0.04);
      --card-hover-shadow: 0 20px 30px -10px rgba(21, 101, 192, 0.15), 0 10px 15px -5px rgba(21, 101, 192, 0.08);
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.3s ease-in-out;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: var(--primary);
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-dark);
    }

    /* 顶部导航 Header & Mega Menu */
    .site-header {
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1050;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }
    .navbar-brand-custom {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .navbar-brand-custom i {
      color: var(--primary);
      font-size: 1.5rem;
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-dark);
      padding: 0.6rem 1rem !important;
      border-radius: 8px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .mega-menu-nav {
      position: static;
    }
    .mega-menu-content {
      width: 100%;
      left: 0;
      right: 0;
      top: 100%;
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: 0 20px 40px rgba(0,0,0,0.08);
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      margin-top: 0;
    }

    /* 蓝图设定：创作者主页头图，头像/昵称区 + 数据徽章 + 关注入口 */
    .creator-hero {
      position: relative;
      background-color: #0b1f3a;
      overflow: hidden;
      border-bottom: 1px solid var(--border-color);
    }
    .creator-banner-bg {
      height: 280px;
      background: linear-gradient(180deg, rgba(13, 71, 161, 0.65) 0%, rgba(11, 31, 58, 0.95) 100%), url('/assets/images/01ac52d5686a6821.webp') center/cover no-repeat;
      position: relative;
    }
    .creator-profile-container {
      margin-top: -80px;
      position: relative;
      z-index: 2;
      padding-bottom: 45px;
    }
    .creator-card-main {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      padding: 35px 40px;
      box-shadow: var(--card-shadow);
      border: 1px solid var(--border-color);
    }
    .creator-avatar-wrap {
      width: 120px;
      height: 120px;
      border-radius: 50%;
      border: 4px solid var(--bg-white);
      box-shadow: 0 8px 20px rgba(0,0,0,0.15);
      overflow: hidden;
      margin-top: -70px;
      background: #e2e8f0;
      display: inline-block;
    }
    .creator-avatar-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .badge-certified {
      background: #e0f2fe;
      color: var(--primary);
      font-weight: 600;
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .metric-badge-box {
      background: #f8fafc;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 12px 18px;
      text-align: center;
    }
    .metric-badge-num {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.1;
    }
    .metric-badge-lbl {
      font-size: 0.8rem;
      color: var(--text-muted);
      margin-top: 4px;
    }

    /* 业务板块与结构 */
    .content-section {
      padding: 65px 0;
    }
    .section-header {
      margin-bottom: 40px;
    }
    .section-badge {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.82rem;
      padding: 5px 14px;
      border-radius: 30px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 1.85rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
      line-height: 1.35;
    }
    .section-subtitle {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 720px;
      margin: 0;
      line-height: 1.7;
    }

    /* 微剧卡片组件 */
    .drama-card {
      background: var(--bg-white);
      border-radius: var(--radius-md);
      overflow: hidden;
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
      height: 100%;
    }
    .drama-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
      border-color: #cbd5e1;
    }
    .drama-card-thumb {
      position: relative;
      height: 200px;
      overflow: hidden;
      background: #0f172a;
    }
    .drama-card-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .drama-card:hover .drama-card-thumb img {
      transform: scale(1.05);
    }
    .drama-badge-duration {
      position: absolute;
      bottom: 10px;
      right: 10px;
      background: rgba(15, 23, 42, 0.85);
      color: #ffffff;
      font-size: 0.75rem;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .drama-badge-tag {
      position: absolute;
      top: 10px;
      left: 10px;
      background: var(--primary);
      color: #ffffff;
      font-size: 0.72rem;
      padding: 3px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .drama-card-body {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .drama-card-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 8px;
      line-height: 1.4;
    }
    .drama-card-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .drama-meta-row {
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    /* 剧情主创联动大卡（非三列样式） */
    .featured-strip-box {
      background: var(--bg-white);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--card-shadow);
    }
    .featured-strip-content {
      padding: 40px;
    }

    /* 音画质感特性网格 */
    .spec-icon-box {
      width: 50px;
      height: 50px;
      border-radius: 12px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      margin-bottom: 16px;
    }

    /* 播放器/时间线亮点面板 */
    .timeline-curation-item {
      position: relative;
      padding-left: 28px;
      border-left: 2px solid #e2e8f0;
      margin-bottom: 25px;
    }
    .timeline-curation-item::before {
      content: '';
      position: absolute;
      left: -7px;
      top: 6px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--primary);
      border: 2px solid #ffffff;
    }

    /* 关注与订阅转化区 */
    .subscribe-action-section {
      background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 50px;
      box-shadow: 0 15px 35px rgba(13, 71, 161, 0.2);
    }

    /* 页脚 */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 70px 0 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand {
      font-size: 1.3rem;
      font-weight: 700;
      color: #ffffff;
    }
    .footer-title {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 20px;
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 50px;
      padding-top: 25px;
      font-size: 0.85rem;
      color: #64748b;
    }

    /* 响应式调整 */
    @media (max-width: 991.98px) {
      .creator-card-main {
        padding: 25px 20px;
      }
      .featured-strip-content {
        padding: 25px 20px;
      }
      .subscribe-action-section {
        padding: 30px 20px;
      }
    }
    @media (max-width: 767.98px) {
      .creator-banner-bg {
        height: 200px;
      }
      .creator-avatar-wrap {
        width: 90px;
        height: 90px;
        margin-top: -50px;
      }
      .section-title {
        font-size: 1.5rem;
      }
    }

/* roulang page: category4 */
:root {
      --primary: #1565c0;
      --primary-dark: #0d47a1;
      --primary-light: #e3f2fd;
      --secondary: #0288d1;
      --accent: #ff6f00;
      --text-dark: #1e293b;
      --text-muted: #64748b;
      --bg-light: #f8fafc;
      --bg-white: #ffffff;
      --border-color: #e2e8f0;
      --card-shadow: 0 10px 25px -5px rgba(21, 101, 192, 0.08), 0 8px 10px -6px rgba(21, 101, 192, 0.04);
      --card-hover-shadow: 0 20px 30px -10px rgba(21, 101, 192, 0.15), 0 10px 15px -5px rgba(21, 101, 192, 0.08);
      --radius-md: 12px;
      --radius-lg: 18px;
      --transition: all 0.3s ease-in-out;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
      background-color: var(--bg-light);
      color: var(--text-dark);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      text-decoration: none;
      color: var(--primary);
      transition: var(--transition);
    }
    a:hover {
      color: var(--primary-dark);
    }
    
    /* 顶部导航 Header */
    .site-header {
      background-color: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-color);
      position: sticky;
      top: 0;
      z-index: 1050;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
    }
    .navbar-brand-custom {
      font-size: 1.25rem;
      font-weight: 700;
      color: var(--primary-dark);
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .navbar-brand-custom i {
      color: var(--primary);
      font-size: 1.5rem;
    }
    .nav-link-custom {
      font-weight: 500;
      color: var(--text-dark);
      padding: 0.6rem 1rem !important;
      border-radius: 8px;
      transition: var(--transition);
    }
    .nav-link-custom:hover, .nav-link-custom.active {
      color: var(--primary);
      background-color: var(--primary-light);
    }
    .nav-btn-action {
      background-color: var(--primary);
      color: #fff !important;
      padding: 0.5rem 1.25rem !important;
      border-radius: 50px;
      font-weight: 600;
    }
    .nav-btn-action:hover {
      background-color: var(--primary-dark);
      box-shadow: 0 4px 12px rgba(21, 101, 192, 0.25);
    }
    .mega-dropdown-menu {
      width: 100%;
      left: 0;
      right: 0;
      top: 100%;
      padding: 24px;
      border: 1px solid var(--border-color);
      box-shadow: 0 20px 40px rgba(0,0,0,0.08);
      border-radius: 0 0 var(--radius-md) var(--radius-md);
      margin-top: 0;
    }

    /* Hero：安全合规主张 + 检查项勾选条 + 信任 CTA */
    .hero-compliance-section {
      background: linear-gradient(145deg, #0d47a1 0%, #1565c0 55%, #1976d2 100%), url('/assets/images/01ac52d5686a6821.webp') center/cover no-repeat;
      position: relative;
      color: #ffffff;
      padding: 85px 0 80px;
      overflow: hidden;
    }
    .hero-compliance-section::before {
      content: "";
      position: absolute;
      top: 0; left: 0; right: 0; bottom: 0;
      background: rgba(13, 71, 161, 0.88);
      z-index: 1;
    }
    .hero-compliance-container {
      position: relative;
      z-index: 2;
    }
    .hero-trust-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.28);
      border-radius: 30px;
      padding: 6px 18px;
      font-size: 0.88rem;
      margin-bottom: 22px;
      backdrop-filter: blur(5px);
    }
    .hero-main-heading {
      font-size: 2.45rem;
      font-weight: 800;
      line-height: 1.35;
      margin-bottom: 20px;
      letter-spacing: -0.5px;
    }
    .hero-desc-para {
      font-size: 1.1rem;
      color: #e3f2fd;
      max-width: 860px;
      line-height: 1.8;
      margin-bottom: 30px;
    }
    .compliance-checklist {
      display: flex;
      flex-wrap: wrap;
      gap: 15px 30px;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.18);
      border-radius: var(--radius-md);
      padding: 18px 24px;
      margin-bottom: 35px;
      backdrop-filter: blur(8px);
    }
    .check-item {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 0.95rem;
      color: #ffffff;
      font-weight: 500;
    }
    .check-item i {
      color: #38bdf8;
      font-size: 1.1rem;
    }
    .hero-action-group {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      align-items: center;
    }
    .btn-trust-solid {
      background-color: var(--accent);
      color: #fff;
      font-weight: 600;
      padding: 13px 34px;
      border-radius: 50px;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      box-shadow: 0 10px 20px rgba(255, 111, 0, 0.35);
      border: none;
      transition: var(--transition);
    }
    .btn-trust-solid:hover {
      background-color: #e65100;
      color: #fff;
      transform: translateY(-2px);
    }
    .btn-trust-outline {
      background: rgba(255, 255, 255, 0.15);
      color: #ffffff;
      font-weight: 600;
      padding: 12px 30px;
      border-radius: 50px;
      border: 1px solid rgba(255, 255, 255, 0.4);
      display: inline-flex;
      align-items: center;
      gap: 10px;
      transition: var(--transition);
    }
    .btn-trust-outline:hover {
      background: rgba(255, 255, 255, 0.28);
      color: #ffffff;
    }

    /* 通用板块与排版 */
    .content-block {
      padding: 75px 0;
    }
    .content-block.bg-alt {
      background-color: #ffffff;
    }
    .block-header-wrap {
      margin-bottom: 45px;
    }
    .block-pill-badge {
      display: inline-block;
      background: var(--primary-light);
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.85rem;
      padding: 5px 16px;
      border-radius: 30px;
      margin-bottom: 12px;
    }
    .block-main-title {
      font-size: 1.95rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 12px;
    }
    .block-sub-desc {
      font-size: 1rem;
      color: var(--text-muted);
      max-width: 720px;
    }

    /* 模块2：功能分组卡片（异形网格） */
    .feature-group-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 30px;
      height: 100%;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
    }
    .feature-group-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--card-hover-shadow);
      border-color: #bfdbfe;
    }
    .feature-icon-box {
      width: 58px;
      height: 58px;
      border-radius: 14px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.6rem;
      margin-bottom: 20px;
    }
    .feature-list-check {
      list-style: none;
      padding-left: 0;
      margin-bottom: 0;
      margin-top: 15px;
    }
    .feature-list-check li {
      position: relative;
      padding-left: 24px;
      font-size: 0.92rem;
      color: var(--text-muted);
      margin-bottom: 8px;
    }
    .feature-list-check li::before {
      content: "\f00c";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 0;
      color: var(--primary);
      font-size: 0.85rem;
    }

    /* 模块3：使用场景纵深条状卡片 */
    .scenario-box {
      background: var(--bg-light);
      border-radius: var(--radius-md);
      padding: 24px;
      border: 1px solid var(--border-color);
      transition: var(--transition);
    }
    .scenario-box:hover {
      background: #ffffff;
      box-shadow: var(--card-shadow);
      border-color: #93c5fd;
    }
    .scenario-badge {
      background: #e0f2fe;
      color: var(--secondary);
      font-size: 0.8rem;
      font-weight: 600;
      padding: 3px 10px;
      border-radius: 6px;
    }

    /* 模块4：声画演示与动态对比 */
    .demo-showcase-panel {
      background: #ffffff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      box-shadow: var(--card-shadow);
      overflow: hidden;
    }
    .demo-visual-wrap {
      position: relative;
      overflow: hidden;
    }
    .demo-visual-wrap img {
      width: 100%;
      height: 100%;
      min-height: 380px;
      object-fit: cover;
      display: block;
    }
    .demo-overlay-tag {
      position: absolute;
      top: 20px;
      left: 20px;
      background: rgba(13, 71, 161, 0.85);
      backdrop-filter: blur(5px);
      color: #fff;
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.85rem;
      font-weight: 600;
    }
    .waveform-bar-indicator {
      display: flex;
      align-items: flex-end;
      gap: 4px;
      height: 36px;
      margin-top: 15px;
    }
    .waveform-bar-indicator span {
      flex: 1;
      background: var(--primary);
      border-radius: 3px 3px 0 0;
    }

    /* 模块5：成功案例/精选大碟解析 */
    .case-card-flat {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      overflow: hidden;
      box-shadow: var(--card-shadow);
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .case-card-flat:hover {
      transform: translateY(-4px);
      box-shadow: var(--card-hover-shadow);
    }
    .case-img-holder {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .case-img-holder img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .case-card-flat:hover .case-img-holder img {
      transform: scale(1.05);
    }
    .case-body-content {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    /* 模块6：规格阶梯/通道对比 */
    .tier-spec-card {
      background: #ffffff;
      border: 2px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 35px 25px;
      text-align: center;
      transition: var(--transition);
      position: relative;
    }
    .tier-spec-card.highlight {
      border-color: var(--primary);
      box-shadow: var(--card-hover-shadow);
      transform: scale(1.02);
    }
    .tier-ribbon {
      position: absolute;
      top: -14px;
      left: 50%;
      transform: translateX(-50%);
      background: var(--accent);
      color: #fff;
      font-size: 0.78rem;
      font-weight: 700;
      padding: 4px 18px;
      border-radius: 20px;
    }
    .tier-name {
      font-size: 1.35rem;
      font-weight: 700;
      color: var(--text-dark);
      margin-bottom: 10px;
    }
    .tier-bitrate {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-dark);
      margin-bottom: 20px;
    }
    .tier-features-list {
      list-style: none;
      padding: 0;
      margin: 25px 0;
      text-align: left;
    }
    .tier-features-list li {
      padding: 8px 0;
      border-bottom: 1px dashed var(--border-color);
      font-size: 0.92rem;
      color: var(--text-muted);
    }
    .tier-features-list li i {
      color: #10b981;
      margin-right: 8px;
    }

    /* 模块7：专业评价墙与鉴赏反馈 */
    .testimonial-card-quote {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 28px;
      box-shadow: var(--card-shadow);
      height: 100%;
    }
    .quote-icon {
      color: #cbd5e1;
      font-size: 1.8rem;
      margin-bottom: 15px;
    }
    .reviewer-meta {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 20px;
      padding-top: 15px;
      border-top: 1px solid #f1f5f9;
    }
    .reviewer-avatar {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }

    /* 模块8：音画制作解析资讯 */
    .news-strip-card {
      background: #ffffff;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px;
      display: flex;
      gap: 20px;
      align-items: center;
      transition: var(--transition);
      margin-bottom: 18px;
    }
    .news-strip-card:hover {
      box-shadow: var(--card-shadow);
      border-color: #93c5fd;
    }
    .news-date-badge {
      background: var(--bg-light);
      border: 1px solid var(--border-color);
      border-radius: 8px;
      padding: 10px 14px;
      text-align: center;
      min-width: 75px;
    }
    .news-date-badge .day {
      font-size: 1.4rem;
      font-weight: 700;
      color: var(--primary-dark);
      display: block;
      line-height: 1;
    }
    .news-date-badge .year {
      font-size: 0.75rem;
      color: var(--text-muted);
    }

    /* 模块9：CTA 收尾行动区 */
    .bottom-cta-banner {
      background: linear-gradient(135deg, #0d47a1 0%, #1565c0 100%);
      color: #ffffff;
      border-radius: var(--radius-lg);
      padding: 55px 40px;
      box-shadow: 0 15px 35px rgba(13, 71, 161, 0.25);
      position: relative;
      overflow: hidden;
    }

    /* 页脚 Footer */
    .site-footer {
      background: #0f172a;
      color: #cbd5e1;
      padding: 70px 0 30px;
      border-top: 1px solid #1e293b;
    }
    .footer-brand {
      font-size: 1.3rem;
      font-weight: 700;
      color: #ffffff;
    }
    .footer-title {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 600;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 10px;
    }
    .footer-title::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: 0;
      width: 30px;
      height: 2px;
      background: var(--primary);
    }
    .footer-links {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.9rem;
      transition: var(--transition);
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 5px;
    }
    .footer-bottom {
      border-top: 1px solid #1e293b;
      padding-top: 25px;
      margin-top: 40px;
      font-size: 0.85rem;
      color: #64748b;
    }

    @media (max-width: 991px) {
      .hero-main-heading { font-size: 1.95rem; }
      .compliance-checklist { flex-direction: column; gap: 12px; }
      .mega-dropdown-menu { position: static; box-shadow: none; padding: 15px 0; }
    }
    @media (max-width: 767px) {
      .content-block { padding: 45px 0; }
      .hero-main-heading { font-size: 1.65rem; }
      .news-strip-card { flex-direction: column; align-items: flex-start; }
      .tier-spec-card.highlight { transform: none; }
    }

/* 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}