/* roulang page: index */
:root {
      --primary: #4F46E5;
      --accent: #06B6D4;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --radius-card: 20px;
      --shadow-card: 0 10px 30px -5px rgba(79, 70, 229, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 20px 40px -10px rgba(79, 70, 229, 0.16);
    }
    
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }

    .hero-mask {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(30, 41, 59, 0.9) 100%), url('/assets/images/9b75f08a1146cacd.png') center/cover no-repeat;
    }

    .glass-card {
      background: rgba(30, 41, 59, 0.7);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .card-rounded {
      border-radius: var(--radius-card);
      box-shadow: var(--shadow-card);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .card-rounded:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }

    .badge-pill {
      border-radius: 9999px;
      padding: 0.25rem 0.85rem;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.025em;
    }

    .glow-cyan {
      box-shadow: 0 0 25px rgba(6, 182, 212, 0.35);
    }

    .glow-purple {
      box-shadow: 0 0 25px rgba(79, 70, 229, 0.4);
    }

    /* 原生手风琴细节 */
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary .faq-icon {
      transform: rotate(180deg);
    }