/* roulang page: index */
:root {
      --brand-primary: #d94a56;
      --brand-secondary: #f67280;
      --brand-accent: #ff8b94;
      --brand-deep: #4a2828;
      --brand-bg-soft: #fff9f8;
      --brand-bg-card: #ffffff;
      --brand-border: #f0dcd8;
      --brand-text-main: #2b1f1d;
      --brand-text-muted: #6e5d59;
      --brand-gradient: linear-gradient(135deg, #d94a56 0%, #ff8b94 100%);
      --brand-gradient-subtle: linear-gradient(180deg, #fff2f0 0%, #fff9f8 100%);
      --radius-xl: 24px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-sm: 0 4px 12px rgba(217, 74, 86, 0.06);
      --shadow-md: 0 10px 28px rgba(74, 40, 40, 0.08);
      --shadow-hover: 0 16px 36px rgba(217, 74, 86, 0.16);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }

    * { box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-bg-soft);
      color: var(--brand-text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }

    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }

    /* 顶部导航 */
    .site-header {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-icon {
      width: 32px;
      height: 32px;
      background: var(--brand-gradient);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
    }
    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--brand-text-main);
      padding: 0.5rem 1rem !important;
      border-radius: 8px;
      margin: 0 2px;
      transition: var(--transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--brand-primary);
      background: rgba(217, 74, 86, 0.08);
    }

    /* 按钮与通用徽章 */
    .btn-brand-primary {
      background: var(--brand-gradient);
      color: #fff !important;
      border: none;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(217, 74, 86, 0.28);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(217, 74, 86, 0.38);
      color: #fff;
    }
    .btn-brand-outline {
      border: 1.5px solid var(--brand-primary);
      color: var(--brand-primary) !important;
      background: transparent;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-outline:hover {
      background: rgba(217, 74, 86, 0.08);
      transform: translateY(-2px);
    }
    .badge-subtle {
      background: #ffe3e1;
      color: var(--brand-primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* Bento Hero */
    .hero-section {
      padding: 3.5rem 0 2rem;
    }
    .bento-card-main {
      background: #fff;
      border-radius: var(--radius-xl);
      padding: 2.75rem;
      border: 1px solid var(--brand-border);
      box-shadow: var(--shadow-md);
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      overflow: hidden;
    }
    .bento-card-side {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      border: 1px solid var(--brand-border);
      box-shadow: var(--shadow-sm);
      height: 100%;
      transition: var(--transition);
    }
    .bento-card-side:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }
    .hero-cta-banner {
      background: var(--brand-gradient);
      color: #fff;
      border-radius: var(--radius-lg);
      padding: 1.25rem 2rem;
      margin-top: 1.5rem;
      box-shadow: var(--shadow-md);
    }

    /* 板块结构基类 */
    .site-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .site-section.bg-alt {
      background: #fff5f3;
      border-top: 1px solid var(--brand-border);
      border-bottom: 1px solid var(--brand-border);
    }
    .section-header {
      margin-bottom: 2.75rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand-deep);
      margin-bottom: 0.75rem;
      letter-spacing: -0.5px;
    }
    .section-intro {
      color: var(--brand-text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }

    /* 圆角大卡 */
    .round-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .round-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--brand-secondary);
    }
    .round-card-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      aspect-ratio: 16/10;
      position: relative;
    }
    .round-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .round-card:hover .round-card-img-wrap img {
      transform: scale(1.05);
    }

    /* 数据指标徽章 */
    .stat-badge-block {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.5rem 1rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .stat-badge-block:hover {
      border-color: var(--brand-primary);
      transform: translateY(-2px);
    }
    .stat-badge-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.1;
      margin-bottom: 0.25rem;
      font-feature-settings: "tnum";
    }

    /* 步骤流节点 */
    .step-node-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
      position: relative;
      height: 100%;
    }
    .step-number {
      width: 38px;
      height: 38px;
      border-radius: 12px;
      background: var(--brand-gradient);
      color: #fff;
      font-weight: 800;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 1rem;
    }

    /* 口碑卡片 */
    .testimonial-bubble {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }

    /* 竖屏种草小卡 */
    .vertical-seed-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
    }
    .vertical-seed-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }
    .vertical-seed-card .seed-img-box {
      height: 240px;
      width: 100%;
      overflow: hidden;
      position: relative;
    }
    .vertical-seed-card .seed-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }

    /* 统一页脚 */
    .site-footer {
      background: #231615;
      color: #baa8a5;
      padding: 4.5rem 0 2rem;
      border-top: 3px solid var(--brand-primary);
    }
    .site-footer h5 {
      color: #fff;
      font-weight: 700;
      margin-bottom: 1.25rem;
      font-size: 1.05rem;
    }
    .site-footer a {
      color: #baa8a5;
    }
    .site-footer a:hover {
      color: #fff;
    }
    .site-footer .footer-bottom {
      border-top: 1px solid #362524;
      padding-top: 1.75rem;
      margin-top: 3rem;
      font-size: 0.9rem;
    }

    @media (max-width: 991.98px) {
      .hero-section { padding: 2rem 0 1rem; }
      .bento-card-main { padding: 1.75rem; margin-bottom: 1.25rem; }
      .section-title { font-size: 1.65rem; }
      .site-section { padding: 3rem 0; }
    }

/* roulang page: category1 */
:root {
            --brand-primary: #d94a56;
            --brand-secondary: #f67280;
            --brand-accent: #ff8b94;
            --brand-deep: #4a2828;
            --brand-bg-soft: #fff9f8;
            --brand-bg-card: #ffffff;
            --brand-border: #f0dcd8;
            --brand-text-main: #2b1f1d;
            --brand-text-muted: #6e5d59;
            --brand-gradient: linear-gradient(135deg, #d94a56 0%, #ff8b94 100%);
            --brand-gradient-subtle: linear-gradient(180deg, #fff2f0 0%, #fff9f8 100%);
            --radius-xl: 24px;
            --radius-lg: 16px;
            --radius-md: 12px;
            --shadow-sm: 0 4px 12px rgba(217, 74, 86, 0.06);
            --shadow-md: 0 10px 28px rgba(74, 40, 40, 0.08);
            --shadow-hover: 0 16px 36px rgba(217, 74, 86, 0.16);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--brand-bg-soft);
            color: var(--brand-text-main);
            line-height: 1.65;
            overflow-x: hidden;
        }

        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }

        /* 顶部导航 */
        .site-header {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--brand-border);
            position: sticky;
            top: 0;
            z-index: 1020;
        }
        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--brand-primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--brand-gradient);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
        }
        .navbar-nav .nav-link {
            font-weight: 600;
            color: var(--brand-text-main);
            padding: 0.5rem 1rem !important;
            border-radius: 8px;
            margin: 0 2px;
            transition: var(--transition);
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active {
            color: var(--brand-primary);
            background: rgba(217, 74, 86, 0.08);
        }

        /* 按钮与通用徽章 */
        .btn-brand-primary {
            background: var(--brand-gradient);
            color: #fff !important;
            border: none;
            padding: 0.75rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 6px 18px rgba(217, 74, 86, 0.28);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-brand-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(217, 74, 86, 0.38);
            color: #fff;
        }
        .btn-brand-outline {
            border: 1.5px solid var(--brand-primary);
            color: var(--brand-primary) !important;
            background: transparent;
            padding: 0.75rem 1.6rem;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .btn-brand-outline:hover {
            background: rgba(217, 74, 86, 0.08);
            transform: translateY(-2px);
        }
        .badge-subtle {
            background: #ffe3e1;
            color: var(--brand-primary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 0.35rem 0.85rem;
            border-radius: 30px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* Hero 资源检索风格 */
        .category-hero {
            background: linear-gradient(rgba(74, 40, 40, 0.78), rgba(74, 40, 40, 0.82)), url('/assets/images/668f8dc990bfd935.jpg') center/cover no-repeat;
            padding: 4.5rem 0 3.5rem;
            color: #ffffff;
            position: relative;
        }
        .search-box-wrap {
            max-width: 640px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: 50px;
            padding: 6px 8px 6px 20px;
            display: flex;
            align-items: center;
            box-shadow: 0 12px 32px rgba(0,0,0,0.2);
        }
        .search-box-wrap input {
            border: none;
            outline: none;
            flex-grow: 1;
            font-size: 0.95rem;
            color: var(--brand-text-main);
        }
        .quick-tag {
            background: rgba(255, 255, 255, 0.16);
            backdrop-filter: blur(4px);
            color: #fff;
            padding: 0.25rem 0.85rem;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(255,255,255,0.25);
            display: inline-block;
            transition: var(--transition);
        }
        .quick-tag:hover {
            background: #fff;
            color: var(--brand-primary);
        }

        /* 板块结构基类 */
        .site-section {
            padding: 4.5rem 0;
            position: relative;
        }
        .site-section.bg-alt {
            background: #fff5f3;
            border-top: 1px solid var(--brand-border);
            border-bottom: 1px solid var(--brand-border);
        }
        .section-header {
            margin-bottom: 2.75rem;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--brand-deep);
            margin-bottom: 0.75rem;
            letter-spacing: -0.5px;
        }
        .section-intro {
            color: var(--brand-text-muted);
            font-size: 1.05rem;
            max-width: 780px;
            margin: 0 auto;
        }

        /* 圆角大卡 */
        .round-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-border);
            padding: 1.75rem;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .round-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--brand-secondary);
        }
        .round-card-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 1.25rem;
            aspect-ratio: 16/10;
            position: relative;
        }
        .round-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .round-card:hover .round-card-img-wrap img {
            transform: scale(1.05);
        }

        /* 数据指标徽章 */
        .stat-badge-block {
            background: #fff;
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            padding: 1.5rem 1rem;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .stat-badge-block:hover {
            border-color: var(--brand-primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }
        .stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--brand-primary);
            line-height: 1.1;
            margin-bottom: 0.35rem;
        }

        /* 痛点与方案网格 */
        .pain-solve-card {
            background: #ffffff;
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
            box-shadow: var(--shadow-sm);
        }
        .pain-side {
            background: #fff0f0;
            padding: 1.25rem 1.5rem;
            border-bottom: 1px dashed #f5c2c7;
        }
        .solve-side {
            padding: 1.5rem;
            flex-grow: 1;
        }

        /* 步骤时间轴 */
        .step-pill-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--brand-border);
            padding: 1.5rem;
            position: relative;
            height: 100%;
        }
        .step-num-circle {
            width: 44px;
            height: 44px;
            background: var(--brand-gradient);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
        }

        /* 客户评价卡片 */
        .testimonial-bubble {
            background: #ffffff;
            border: 1px solid var(--brand-border);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .user-avatar-tag {
            width: 42px;
            height: 42px;
            background: #ffdedb;
            color: var(--brand-primary);
            font-weight: bold;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 页脚 */
        .site-footer {
            background: var(--brand-deep);
            color: #f7ebe8;
            padding: 4.5rem 0 2rem;
            border-top: 4px solid var(--brand-primary);
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }
        .site-footer a:hover {
            color: var(--brand-accent);
        }
        .footer-bottom {
            margin-top: 3.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

/* roulang page: category2 */
:root {
      --brand-primary: #d94a56;
      --brand-secondary: #f67280;
      --brand-accent: #ff8b94;
      --brand-deep: #4a2828;
      --brand-bg-soft: #fff9f8;
      --brand-bg-card: #ffffff;
      --brand-border: #f0dcd8;
      --brand-text-main: #2b1f1d;
      --brand-text-muted: #6e5d59;
      --brand-gradient: linear-gradient(135deg, #d94a56 0%, #ff8b94 100%);
      --brand-gradient-subtle: linear-gradient(180deg, #fff2f0 0%, #fff9f8 100%);
      --radius-xl: 24px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-sm: 0 4px 12px rgba(217, 74, 86, 0.06);
      --shadow-md: 0 10px 28px rgba(74, 40, 40, 0.08);
      --shadow-hover: 0 16px 36px rgba(217, 74, 86, 0.16);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-bg-soft);
      color: var(--brand-text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    
    .site-header {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-icon {
      width: 32px;
      height: 32px;
      background: var(--brand-gradient);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
    }
    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--brand-text-main);
      padding: 0.5rem 1rem !important;
      border-radius: 8px;
      margin: 0 2px;
      transition: var(--transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--brand-primary);
      background: rgba(217, 74, 86, 0.08);
    }
    
    .btn-brand-primary {
      background: var(--brand-gradient);
      color: #fff !important;
      border: none;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(217, 74, 86, 0.28);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(217, 74, 86, 0.38);
      color: #fff;
    }
    .btn-brand-outline {
      border: 1.5px solid var(--brand-primary);
      color: var(--brand-primary) !important;
      background: transparent;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-outline:hover {
      background: rgba(217, 74, 86, 0.08);
      transform: translateY(-2px);
    }
    .badge-subtle {
      background: #ffe3e1;
      color: var(--brand-primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    
    .hero-vip-dark {
      background: linear-gradient(145deg, #1f1414 0%, #2e1a1b 50%, #150d0e 100%);
      color: #f7e6e6;
      border-radius: var(--radius-xl);
      padding: 3.5rem 3rem;
      box-shadow: 0 15px 40px rgba(43, 20, 20, 0.4);
      position: relative;
      border: 1px solid rgba(246, 114, 128, 0.25);
      overflow: hidden;
    }
    .vip-badge {
      background: linear-gradient(90deg, #d4af37 0%, #f9e8a2 50%, #d4af37 100%);
      color: #2b1f1d;
      font-weight: 800;
      font-size: 0.8rem;
      padding: 0.3rem 0.8rem;
      border-radius: 20px;
      display: inline-flex;
      align-items: center;
      gap: 5px;
      letter-spacing: 0.5px;
      text-transform: uppercase;
    }
    
    .site-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .site-section.bg-alt {
      background: #fff5f3;
      border-top: 1px solid var(--brand-border);
      border-bottom: 1px solid var(--brand-border);
    }
    .section-header {
      margin-bottom: 2.75rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand-deep);
      margin-bottom: 0.75rem;
      letter-spacing: -0.5px;
    }
    .section-intro {
      color: var(--brand-text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }
    
    .round-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .round-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--brand-secondary);
    }
    .round-card-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      aspect-ratio: 16/10;
      position: relative;
    }
    .round-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .round-card:hover .round-card-img-wrap img {
      transform: scale(1.05);
    }
    
    .stat-badge-block {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.75rem 1.25rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      height: 100%;
    }
    .stat-badge-block:hover {
      border-color: var(--brand-primary);
      transform: translateY(-3px);
      box-shadow: var(--shadow-hover);
    }
    .stat-num {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--brand-primary);
      line-height: 1.1;
      margin-bottom: 0.35rem;
    }
    
    .step-block {
      background: #fff;
      border: 1px dashed var(--brand-secondary);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      position: relative;
      height: 100%;
      transition: var(--transition);
    }
    .step-block:hover {
      border-style: solid;
      background: #fffafa;
    }
    .step-tag {
      position: absolute;
      top: -14px;
      left: 1.5rem;
      background: var(--brand-primary);
      color: #fff;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 2px 10px;
      border-radius: 12px;
    }
    
    .site-footer {
      background: #2b1f1d;
      color: #f7e6e6;
      padding: 4.5rem 0 2rem;
      border-top: 3px solid var(--brand-primary);
    }
    .site-footer h5 {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 1.75rem;
      margin-top: 3.5rem;
    }
    
    @media (max-width: 991px) {
      .hero-vip-dark { padding: 2.5rem 1.5rem; }
      .site-section { padding: 3.5rem 0; }
    }

/* roulang page: category3 */
:root {
      --brand-primary: #d94a56;
      --brand-secondary: #f67280;
      --brand-accent: #ff8b94;
      --brand-deep: #4a2828;
      --brand-bg-soft: #fff9f8;
      --brand-bg-card: #ffffff;
      --brand-border: #f0dcd8;
      --brand-text-main: #2b1f1d;
      --brand-text-muted: #6e5d59;
      --brand-gradient: linear-gradient(135deg, #d94a56 0%, #ff8b94 100%);
      --brand-gradient-subtle: linear-gradient(180deg, #fff2f0 0%, #fff9f8 100%);
      --radius-xl: 24px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-sm: 0 4px 12px rgba(217, 74, 86, 0.06);
      --shadow-md: 0 10px 28px rgba(74, 40, 40, 0.08);
      --shadow-hover: 0 16px 36px rgba(217, 74, 86, 0.16);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-bg-soft);
      color: var(--brand-text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }

    /* 顶部导航 */
    .site-header {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-icon {
      width: 32px;
      height: 32px;
      background: var(--brand-gradient);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
    }
    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--brand-text-main);
      padding: 0.5rem 1rem !important;
      border-radius: 8px;
      margin: 0 2px;
      transition: var(--transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--brand-primary);
      background: rgba(217, 74, 86, 0.08);
    }

    /* 按钮与徽章 */
    .btn-brand-primary {
      background: var(--brand-gradient);
      color: #fff !important;
      border: none;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(217, 74, 86, 0.28);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(217, 74, 86, 0.38);
      color: #fff;
    }
    .btn-brand-outline {
      border: 1.5px solid var(--brand-primary);
      color: var(--brand-primary) !important;
      background: transparent;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-outline:hover {
      background: rgba(217, 74, 86, 0.08);
      transform: translateY(-2px);
    }
    .badge-subtle {
      background: #ffe3e1;
      color: var(--brand-primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }

    /* 页面基础板块 */
    .site-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .site-section.bg-alt {
      background: #fff5f3;
      border-top: 1px solid var(--brand-border);
      border-bottom: 1px solid var(--brand-border);
    }
    .section-header {
      margin-bottom: 2.75rem;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand-deep);
      margin-bottom: 0.75rem;
      letter-spacing: -0.5px;
    }
    .section-intro {
      color: var(--brand-text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }

    /* Hero发布倒计时风格 */
    .category-hero {
      background: radial-gradient(circle at 80% 20%, rgba(255, 139, 148, 0.25) 0%, rgba(255, 249, 248, 0) 70%), var(--brand-gradient-subtle);
      border-bottom: 1px solid var(--brand-border);
      padding: 4rem 0 3.5rem;
    }
    .countdown-ring-box {
      background: #fff;
      border: 2px dashed var(--brand-secondary);
      border-radius: var(--radius-xl);
      padding: 1.75rem;
      box-shadow: var(--shadow-sm);
      text-align: center;
    }
    .countdown-val {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1;
    }

    /* 叙事流卡片 */
    .round-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .round-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--brand-secondary);
    }
    .round-card-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      aspect-ratio: 16/10;
      position: relative;
    }
    .round-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .round-card:hover .round-card-img-wrap img {
      transform: scale(1.05);
    }

    /* 数据徽章 */
    .stat-badge-block {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.5rem 1rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .stat-badge-block:hover {
      border-color: var(--brand-primary);
      transform: translateY(-3px);
    }
    .stat-badge-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-primary);
      display: block;
      line-height: 1.2;
    }

    /* 步骤流卡片 */
    .step-item {
      position: relative;
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
    }
    .step-num {
      width: 38px;
      height: 38px;
      background: var(--brand-gradient);
      color: #fff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-bottom: 1rem;
    }

    /* 页脚 */
    .site-footer {
      background: #231817;
      color: #dfd5d4;
      padding: 4.5rem 0 2rem;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .site-footer h5 {
      color: #ffffff;
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      margin-top: 3.5rem;
      padding-top: 1.5rem;
    }

/* roulang page: category4 */
:root {
      --brand-primary: #d94a56;
      --brand-secondary: #f67280;
      --brand-accent: #ff8b94;
      --brand-deep: #4a2828;
      --brand-bg-soft: #fff9f8;
      --brand-bg-card: #ffffff;
      --brand-border: #f0dcd8;
      --brand-text-main: #2b1f1d;
      --brand-text-muted: #6e5d59;
      --brand-gradient: linear-gradient(135deg, #d94a56 0%, #ff8b94 100%);
      --brand-gradient-subtle: linear-gradient(180deg, #fff2f0 0%, #fff9f8 100%);
      --radius-xl: 24px;
      --radius-lg: 16px;
      --radius-md: 12px;
      --shadow-sm: 0 4px 12px rgba(217, 74, 86, 0.06);
      --shadow-md: 0 10px 28px rgba(74, 40, 40, 0.08);
      --shadow-hover: 0 16px 36px rgba(217, 74, 86, 0.16);
      --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--brand-bg-soft);
      color: var(--brand-text-main);
      line-height: 1.65;
      overflow-x: hidden;
    }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    img { max-width: 100%; height: auto; display: block; }
    .site-header {
      background: rgba(255, 255, 255, 0.94);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--brand-border);
      position: sticky;
      top: 0;
      z-index: 1020;
    }
    .brand-logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: var(--brand-primary);
      letter-spacing: -0.5px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .brand-logo-icon {
      width: 32px;
      height: 32px;
      background: var(--brand-gradient);
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 1rem;
    }
    .navbar-nav .nav-link {
      font-weight: 600;
      color: var(--brand-text-main);
      padding: 0.5rem 1rem !important;
      border-radius: 8px;
      margin: 0 2px;
      transition: var(--transition);
    }
    .navbar-nav .nav-link:hover,
    .navbar-nav .nav-link.active {
      color: var(--brand-primary);
      background: rgba(217, 74, 86, 0.08);
    }
    .btn-brand-primary {
      background: var(--brand-gradient);
      color: #fff !important;
      border: none;
      padding: 0.75rem 1.6rem;
      border-radius: 50px;
      font-weight: 600;
      box-shadow: 0 6px 18px rgba(217, 74, 86, 0.28);
      transition: var(--transition);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .btn-brand-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 10px 24px rgba(217, 74, 86, 0.38);
      color: #fff;
    }
    .badge-subtle {
      background: #ffe3e1;
      color: var(--brand-primary);
      font-size: 0.85rem;
      font-weight: 700;
      padding: 0.35rem 0.85rem;
      border-radius: 30px;
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .site-section {
      padding: 4.5rem 0;
      position: relative;
    }
    .site-section.bg-alt {
      background: #fff5f3;
      border-top: 1px solid var(--brand-border);
      border-bottom: 1px solid var(--brand-border);
    }
    .section-header { margin-bottom: 2.75rem; }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: var(--brand-deep);
      margin-bottom: 0.75rem;
      letter-spacing: -0.5px;
    }
    .section-intro {
      color: var(--brand-text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }
    .round-card {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--brand-border);
      padding: 1.75rem;
      transition: var(--transition);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .round-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: var(--brand-secondary);
    }
    .round-card-img-wrap {
      border-radius: var(--radius-md);
      overflow: hidden;
      margin-bottom: 1.25rem;
      aspect-ratio: 16/10;
      position: relative;
    }
    .round-card-img-wrap img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .round-card:hover .round-card-img-wrap img {
      transform: scale(1.05);
    }
    .stat-badge-block {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.5rem 1rem;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .stat-badge-block:hover {
      border-color: var(--brand-primary);
      transform: translateY(-3px);
    }
    .stat-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--brand-primary);
      line-height: 1.2;
    }
    .hero-banner-custom {
      background: linear-gradient(rgba(74, 40, 40, 0.78), rgba(74, 40, 40, 0.85)), url('/assets/images/ae97c12c348e2f3c.webp') center/cover no-repeat;
      color: #fff;
      padding: 4.5rem 0 3.5rem;
      border-bottom: 1px solid var(--brand-border);
    }
    .trust-strip {
      background: #fff;
      border-radius: var(--radius-md);
      padding: 1rem 1.5rem;
      border: 1px solid var(--brand-border);
      margin-top: 2rem;
      box-shadow: var(--shadow-sm);
    }
    .step-badge {
      width: 42px;
      height: 42px;
      background: var(--brand-gradient);
      color: #fff;
      border-radius: 50%;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      font-size: 1.1rem;
      margin-bottom: 1rem;
    }
    .review-bubble {
      background: #fff;
      border: 1px solid var(--brand-border);
      border-radius: var(--radius-lg);
      padding: 1.75rem;
      position: relative;
      box-shadow: var(--shadow-sm);
      height: 100%;
    }
    .review-user {
      display: flex;
      align-items: center;
      gap: 12px;
      margin-top: 1.25rem;
    }
    .user-avatar-circle {
      width: 44px;
      height: 44px;
      border-radius: 50%;
      background: #ffe3e1;
      color: var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
    }
    .site-footer {
      background: #2b1f1d;
      color: #e5d7d5;
      padding: 4.5rem 0 2rem;
      border-top: 4px solid var(--brand-primary);
    }
    .site-footer h5 {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 1.25rem;
    }
    .site-footer a:hover {
      color: #ff8b94 !important;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      margin-top: 3.5rem;
      padding-top: 1.5rem;
    }

/* 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}