/* roulang page: index */
:root {
      --primary: #0F52BA;
      --accent: #00D26A;
      --dark: #081836;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-muted: #475569;
      --radius-lg: 1.25rem;
      --radius-xl: 1.75rem;
      --shadow-soft: 0 10px 30px -5px rgba(15, 82, 186, 0.08);
      --shadow-hover: 0 20px 40px -5px rgba(15, 82, 186, 0.16);
    }

    * {
      box-sizing: border-box;
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #F8FAFC;
      line-height: 1.65;
    }

    .glass-nav {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      border-bottom: 1px solid rgba(15, 82, 186, 0.08);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      gap: 0.35rem;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
      background: rgba(15, 82, 186, 0.08);
      color: var(--primary);
      border: 1px solid rgba(15, 82, 186, 0.15);
    }

    .badge-accent {
      background: rgba(0, 210, 106, 0.12);
      color: #008744;
      border: 1px solid rgba(0, 210, 106, 0.25);
    }

    .card-modern {
      background: var(--card-bg);
      border-radius: var(--radius-lg);
      border: 1px solid #E2E8F0;
      box-shadow: var(--shadow-soft);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .card-modern:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
      border-color: rgba(15, 82, 186, 0.25);
    }

    .btn-gradient {
      background: linear-gradient(135deg, #0F52BA 0%, #00A854 100%);
      color: #FFFFFF;
      transition: all 0.25s ease;
      box-shadow: 0 4px 14px rgba(15, 82, 186, 0.25);
    }

    .btn-gradient:hover {
      background: linear-gradient(135deg, #0C449B 0%, #00934A 100%);
      transform: translateY(-1px);
      box-shadow: 0 6px 20px rgba(15, 82, 186, 0.35);
    }

    .table-tech th, .table-tech td {
      padding: 1rem 1.25rem;
      border-bottom: 1px solid #E2E8F0;
    }