/* roulang page: index */
:root {
            --bg-deep: #070d19;
            --bg-surface: #0e1726;
            --bg-card: rgba(18, 28, 48, 0.65);
            --bg-card-hover: rgba(28, 44, 76, 0.85);
            --border-glass: rgba(0, 212, 255, 0.15);
            --border-glass-glow: rgba(0, 212, 255, 0.45);
            --primary-glow: #00d4ff;
            --secondary-glow: #3b82f6;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --accent-green: #10b981;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.65;
            overflow-x: hidden;
        }

        /* Glassmorphism Classes */
        .glass-panel {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-glass);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .glass-panel:hover {
            border-color: var(--border-glass-glow);
            box-shadow: 0 12px 40px 0 rgba(0, 212, 255, 0.15);
            transform: translateY(-2px);
        }

        /* Glowing Button */
        .btn-glow {
            background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
            color: #ffffff;
            font-weight: 600;
            border: none;
            border-radius: 30px;
            padding: 12px 28px;
            position: relative;
            z-index: 1;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }

        .btn-glow:hover {
            color: #ffffff;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
            transform: scale(1.02);
        }

        .btn-outline-glass {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-glass);
            color: var(--text-main);
            border-radius: 30px;
            padding: 12px 28px;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-outline-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary-glow);
            color: var(--primary-glow);
        }

        /* Navbar Customization */
        .custom-navbar {
            background: rgba(7, 13, 25, 0.85);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-glass);
            padding: 16px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .navbar-brand-text {
            font-size: 1.5rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #ffffff 30%, var(--primary-glow));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .nav-link {
            color: var(--text-muted) !important;
            font-weight: 500;
            padding: 8px 18px !important;
            border-radius: 20px;
            transition: all 0.25s ease;
        }

        .nav-link:hover, .nav-link.active {
            color: #ffffff !important;
            background: rgba(0, 212, 255, 0.1);
        }

        /* Section Layouts */
        .section-space {
            padding: 90px 0;
            position: relative;
        }

        .section-title-wrap {
            margin-bottom: 50px;
        }

        .section-tag {
            display: inline-block;
            color: var(--primary-glow);
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            padding: 4px 14px;
            background: rgba(0, 212, 255, 0.08);
            border: 1px solid rgba(0, 212, 255, 0.2);
            border-radius: 20px;
            margin-bottom: 14px;
        }

        .section-heading {
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .section-subtext {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 780px;
            margin: 0 auto;
        }

        /* Status Bar / Icon Matrix Hero */
        .hero-status-strip {
            background: rgba(14, 23, 38, 0.7);
            border: 1px solid var(--border-glass);
            border-radius: 40px;
            padding: 8px 24px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 30px;
            font-size: 0.9rem;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 10px var(--accent-green);
            display: inline-block;
        }

        .icon-matrix-card {
            padding: 30px 20px;
            text-align: center;
            height: 100%;
        }

        .icon-matrix-card i {
            font-size: 2.2rem;
            color: var(--primary-glow);
            margin-bottom: 18px;
            display: inline-block;
        }

        .icon-matrix-card h4 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #fff;
        }

        .icon-matrix-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* Check Item */
        .check-pill {
            padding: 24px;
            display: flex;
            align-items: flex-start;
            gap: 16px;
            height: 100%;
        }

        .check-pill-icon {
            background: rgba(0, 212, 255, 0.1);
            color: var(--primary-glow);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* Pricing & Comparison Table */
        .pricing-tier-card {
            padding: 36px 28px;
            position: relative;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .pricing-tier-card.featured {
            border-color: var(--primary-glow);
            background: rgba(18, 38, 70, 0.7);
            box-shadow: 0 0 35px rgba(0, 212, 255, 0.2);
        }

        .featured-tag {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--primary-glow);
            color: #070d19;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 12px;
            border-radius: 12px;
            text-transform: uppercase;
        }

        /* Timeline Agenda */
        .timeline-box {
            border-left: 2px solid var(--border-glass-glow);
            padding-left: 24px;
            margin-left: 10px;
            position: relative;
        }

        .timeline-node {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-node::before {
            content: '';
            position: absolute;
            left: -31px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary-glow);
            box-shadow: 0 0 8px var(--primary-glow);
        }

        /* Footer */
        .custom-footer {
            background: #040810;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 30px 0;
            color: var(--text-dim);
            font-size: 0.95rem;
        }

        .footer-heading {
            color: #ffffff;
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .footer-link {
            color: var(--text-muted);
            text-decoration: none;
            display: block;
            margin-bottom: 10px;
            transition: color 0.2s;
        }

        .footer-link:hover {
            color: var(--primary-glow);
        }

        /* Responsive Details */
        @media (max-width: 991.98px) {
            .section-heading { font-size: 1.8rem; }
            .section-space { padding: 60px 0; }
        }

/* roulang page: category1 */
:root {
      --bg-deep: #070d19;
      --bg-surface: #0e1726;
      --bg-card: rgba(18, 28, 48, 0.65);
      --bg-card-hover: rgba(28, 44, 76, 0.85);
      --border-glass: rgba(0, 212, 255, 0.15);
      --border-glass-glow: rgba(0, 212, 255, 0.45);
      --primary-glow: #00d4ff;
      --secondary-glow: #3b82f6;
      --text-main: #f1f5f9;
      --text-muted: #94a3b8;
      --text-dim: #64748b;
      --accent-green: #10b981;
      --accent-purple: #8b5cf6;
      --radius-md: 14px;
      --radius-lg: 20px;
      --shadow-glass: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    }
    body {
      background-color: var(--bg-deep);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      line-height: 1.65;
      overflow-x: hidden;
    }
    .custom-navbar {
      background: rgba(7, 13, 25, 0.85);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border-glass);
      padding: 16px 0;
      position: sticky;
      top: 0;
      z-index: 1000;
    }
    .navbar-brand-text {
      font-size: 1.5rem;
      font-weight: 800;
      letter-spacing: -0.5px;
      background: linear-gradient(135deg, #ffffff 30%, var(--primary-glow));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      display: flex;
      align-items: center;
      gap: 10px;
      text-decoration: none;
    }
    .nav-link {
      color: var(--text-muted) !important;
      font-weight: 500;
      padding: 8px 18px !important;
      border-radius: 20px;
      transition: all 0.25s ease;
    }
    .nav-link:hover, .nav-link.active {
      color: #ffffff !important;
      background: rgba(0, 212, 255, 0.1);
    }
    .btn-glow {
      background: linear-gradient(135deg, var(--primary-glow), var(--secondary-glow));
      color: #ffffff;
      font-weight: 600;
      border: none;
      border-radius: 30px;
      padding: 12px 28px;
      position: relative;
      z-index: 1;
      box-shadow: 0 0 20px rgba(0, 212, 255, 0.4);
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      text-decoration: none;
    }
    .btn-glow:hover {
      color: #ffffff;
      box-shadow: 0 0 30px rgba(0, 212, 255, 0.7);
      transform: scale(1.02);
    }
    .btn-outline-glass {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-glass);
      color: var(--text-main);
      border-radius: 30px;
      padding: 12px 28px;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .btn-outline-glass:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--primary-glow);
      color: var(--primary-glow);
    }
    .section-space {
      padding: 85px 0;
      position: relative;
    }
    .section-tag {
      display: inline-block;
      color: var(--primary-glow);
      font-size: 0.85rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 2px;
      padding: 4px 14px;
      background: rgba(0, 212, 255, 0.08);
      border: 1px solid rgba(0, 212, 255, 0.2);
      border-radius: 20px;
      margin-bottom: 14px;
    }
    .section-heading {
      font-size: 2.2rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .section-subtext {
      color: var(--text-muted);
      font-size: 1.05rem;
      max-width: 780px;
      margin: 0 auto;
    }
    .glass-box {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border-glass);
      border-radius: var(--radius-lg);
      transition: all 0.35s ease;
    }
    .glass-box:hover {
      border-color: var(--border-glass-glow);
      background: var(--bg-card-hover);
      box-shadow: 0 10px 30px rgba(0, 212, 255, 0.12);
    }

    /* Hero: 优惠券墙入口风格 */
    .coupon-hero-section {
      padding: 90px 0 60px;
      background: radial-gradient(circle at 50% 20%, rgba(0, 212, 255, 0.12) 0%, rgba(7, 13, 25, 0.98) 70%);
      border-bottom: 1px solid var(--border-glass);
    }
    .coupon-card-main {
      background: linear-gradient(135deg, rgba(14, 23, 38, 0.95), rgba(28, 44, 76, 0.85));
      border: 2px dashed rgba(0, 212, 255, 0.4);
      border-radius: 24px;
      padding: 40px;
      position: relative;
      overflow: hidden;
      box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4), inset 0 0 25px rgba(0, 212, 255, 0.08);
    }
    .coupon-cut-l, .coupon-cut-r {
      position: absolute;
      width: 28px;
      height: 28px;
      background-color: var(--bg-deep);
      border-radius: 50%;
      top: 50%;
      transform: translateY(-50%);
    }
    .coupon-cut-l { left: -14px; }
    .coupon-cut-r { right: -14px; }
    .coupon-badge-top {
      background: rgba(16, 185, 129, 0.2);
      border: 1px solid rgba(16, 185, 129, 0.4);
      color: #34d399;
      font-size: 0.8rem;
      font-weight: 700;
      padding: 4px 12px;
      border-radius: 12px;
      display: inline-block;
      margin-bottom: 12px;
    }
    .coupon-amount {
      font-size: 3.6rem;
      font-weight: 900;
      color: var(--primary-glow);
      line-height: 1;
    }
    .coupon-unit {
      font-size: 1.5rem;
      color: #fff;
      font-weight: 600;
    }
    .sub-coupon-card {
      background: rgba(14, 23, 38, 0.7);
      border: 1px dashed rgba(0, 212, 255, 0.25);
      border-radius: 18px;
      padding: 24px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
      position: relative;
    }

    /* 方案分组与交付卡片 */
    .pillar-icon-box {
      width: 60px;
      height: 60px;
      border-radius: 16px;
      background: rgba(0, 212, 255, 0.1);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.8rem;
      color: var(--primary-glow);
      margin-bottom: 20px;
    }
    .service-checklist {
      list-style: none;
      padding: 0;
      margin: 0;
    }
    .service-checklist li {
      margin-bottom: 10px;
      color: var(--text-muted);
      font-size: 0.95rem;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .service-checklist li i {
      color: var(--primary-glow);
      font-size: 0.85rem;
    }

    /* 场景矩阵卡片 */
    .scenario-card {
      padding: 32px;
      border-radius: var(--radius-lg);
      background: linear-gradient(180deg, rgba(14, 23, 38, 0.8), rgba(10, 18, 32, 0.9));
      border: 1px solid var(--border-glass);
      height: 100%;
    }
    .scenario-tag {
      font-size: 0.8rem;
      padding: 4px 10px;
      border-radius: 6px;
      background: rgba(59, 130, 246, 0.15);
      color: #60a5fa;
      display: inline-block;
      margin-bottom: 12px;
    }

    /* 演示流程面板 */
    .pipeline-step {
      padding: 24px;
      border-radius: var(--radius-md);
      background: rgba(18, 28, 48, 0.5);
      border: 1px solid var(--border-glass);
      position: relative;
    }
    .step-number {
      font-size: 2.5rem;
      font-weight: 800;
      color: rgba(0, 212, 255, 0.2);
      position: absolute;
      right: 20px;
      top: 15px;
      line-height: 1;
    }

    /* 成果指标数据条 */
    .metric-badge-num {
      font-size: 2.4rem;
      font-weight: 800;
      background: linear-gradient(135deg, #fff, var(--primary-glow));
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      line-height: 1.1;
    }

    /* 套餐定制卡片 */
    .plan-card {
      padding: 40px 30px;
      border-radius: 20px;
      background: rgba(14, 23, 38, 0.7);
      border: 1px solid var(--border-glass);
      position: relative;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .plan-card.highlight {
      background: linear-gradient(180deg, rgba(20, 36, 68, 0.85), rgba(11, 20, 38, 0.95));
      border: 1px solid var(--primary-glow);
      box-shadow: 0 0 35px rgba(0, 212, 255, 0.2);
    }
    .plan-ribbon {
      position: absolute;
      top: -12px;
      right: 25px;
      background: var(--primary-glow);
      color: #070d19;
      font-size: 0.75rem;
      font-weight: 800;
      padding: 4px 12px;
      border-radius: 20px;
      text-transform: uppercase;
    }

    /* 评价与声音 */
    .voice-card {
      padding: 28px;
      border-radius: var(--radius-md);
      background: rgba(14, 23, 38, 0.6);
      border: 1px solid var(--border-glass);
      height: 100%;
    }
    .avatar-placeholder {
      width: 48px;
      height: 48px;
      border-radius: 50%;
      background: rgba(0, 212, 255, 0.15);
      border: 1px solid rgba(0, 212, 255, 0.3);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--primary-glow);
      font-weight: 700;
    }

    /* 资讯列表 */
    .article-item-card {
      padding: 24px;
      border-radius: var(--radius-md);
      background: rgba(14, 23, 38, 0.65);
      border: 1px solid var(--border-glass);
      transition: all 0.3s;
      height: 100%;
    }
    .article-item-card:hover {
      border-color: var(--primary-glow);
      transform: translateY(-4px);
    }

    /* 页脚 */
    .custom-footer {
      background: #050912;
      border-top: 1px solid var(--border-glass);
      padding: 70px 0 30px;
    }
    .footer-heading {
      color: #fff;
      font-size: 1.1rem;
      font-weight: 600;
      margin-bottom: 20px;
    }
    .footer-link {
      display: block;
      color: var(--text-muted);
      text-decoration: none;
      margin-bottom: 12px;
      font-size: 0.95rem;
      transition: color 0.2s ease;
    }
    .footer-link:hover {
      color: var(--primary-glow);
    }