/* roulang page: index */
@import url('/assets/css/vendor/1ecd1de215-css2.css');
    :root {
      --primary: #4B2AAD;
      --accent: #00E5A0;
      --gold: #FFB73B;
      --bg-dark: #0A0E1A;
      --text-light: #D1D5DB;
      --text-muted: #9CA3AF;
      --card-bg: rgba(255, 255, 255, 0.04);
      --border-light: rgba(255, 255, 255, 0.1);
      --shadow-sm: 0 10px 25px -10px rgba(0,0,0,0.3);
      --transition: all 0.2s ease;
    }
    * {
      box-sizing: border-box;
    }
    body {
      font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
      background-color: var(--bg-dark);
      color: var(--text-light);
      line-height: 1.7;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }
    .container {
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.5rem;
      padding-right: 1.5rem;
    }
    /* 导航 */
    .navbar {
      background: rgba(10, 14, 26, 0.78);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(75, 42, 173, 0.4);
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 50;
    }
    .nav-link {
      transition: var(--transition);
      font-weight: 500;
      color: #e5e7eb;
    }
    .nav-link:hover {
      color: var(--accent);
    }
    .btn-primary {
      background: linear-gradient(135deg, #4B2AAD 0%, #00E5A0 100%);
      color: white;
      border-radius: 12px;
      padding: 0.6rem 1.8rem;
      font-weight: 600;
      transition: var(--transition);
      box-shadow: 0 8px 18px -6px rgba(75,42,173,0.6);
      display: inline-block;
    }
    .btn-primary:hover {
      filter: brightness(1.15);
      transform: scale(1.05);
      box-shadow: 0 12px 24px -8px rgba(0,229,160,0.5);
    }
    .btn-outline {
      border: 1px solid rgba(255,255,255,0.25);
      color: white;
      border-radius: 12px;
      padding: 0.6rem 1.8rem;
      font-weight: 500;
      transition: var(--transition);
      background: transparent;
      display: inline-block;
    }
    .btn-outline:hover {
      background: rgba(255,255,255,0.08);
      border-color: var(--accent);
    }
    /* 卡片 */
    .card {
      background: rgba(255,255,255,0.03);
      backdrop-filter: blur(4px);
      border-radius: 24px;
      padding: 2rem;
      border: 1px solid rgba(255,255,255,0.05);
      transition: var(--transition);
    }
    .card:hover {
      transform: translateY(-6px);
      box-shadow: 0 18px 32px -12px rgba(75,42,173,0.5);
      border-color: rgba(0,229,160,0.25);
    }
    .badge-gold {
      background: rgba(255,183,59,0.15);
      color: #FFB73B;
      font-weight: 700;
      border-radius: 40px;
      padding: 0.15rem 1rem;
      font-size: 0.8rem;
      letter-spacing: 0.3px;
      display: inline-block;
    }
    .hero-glow {
      background: radial-gradient(circle at 30% 40%, rgba(75,42,173,0.55) 0%, rgba(10,14,26,0.9) 70%);
    }
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
      transition: background 0.3s;
    }
    .faq-item[open] summary {
      color: var(--accent);
    }
    @media (max-width: 768px) {
      .hero-title {
        font-size: 2.3rem !important;
      }
      .card-grid {
        grid-template-columns: 1fr;
      }
      .pricing-grid {
        grid-template-columns: 1fr;
      }
    }
    .mobile-menu {
      display: none;
    }
    @media (max-width: 1024px) {
      .desktop-nav {
        display: none;
      }
      .mobile-menu {
        display: block;
      }
    }