/* roulang page: index */
:root {
      --primary: #4F46E5;
      --secondary: #7C3AED;
      --emerald: #059669;
      --amber: #D97706;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --card-radius: 1.25rem;
      --shadow-soft: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.01);
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-gradient-bg {
      background: linear-gradient(135deg, #1E1B4B 0%, #0F172A 50%, #020617 100%);
    }
    .hero-banner-mask {
      background: linear-gradient(180deg, rgba(15, 23, 42, 0.82) 0%, rgba(15, 23, 42, 0.94) 100%);
    }
    .glass-card {
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(226, 232, 240, 0.8);
      box-shadow: var(--shadow-soft);
    }
    .glass-dark-card {
      background: rgba(30, 41, 59, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }
    .pill-badge {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.8125rem;
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    .hover-lift {
      transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .hover-lift:hover {
      transform: translateY(-4px);
      box-shadow: 0 25px 30px -5px rgba(79, 70, 229, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    }
    .tab-active {
      background-color: #4F46E5;
      color: #ffffff;
    }