/* roulang page: index */
:root {
      --primary-color: #111827;
      --accent-color: #10B981;
      --accent-hover: #059669;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
      --border-color: #E2E8F0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      background-color: var(--bg-light);
      color: var(--text-main);
      overflow-x: hidden;
    }
    .custom-shadow {
      box-shadow: 0 10px 30px -5px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
    }
    .hover-card-rise {
      transition: transform 0.28s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.28s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.28s;
    }
    .hover-card-rise:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 35px -8px rgba(16, 185, 129, 0.12);
      border-color: rgba(16, 185, 129, 0.4);
    }
    .glass-dark {
      background: rgba(17, 24, 39, 0.85);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
    }
    .glow-tag {
      background: rgba(16, 185, 129, 0.1);
      border: 1px solid rgba(16, 185, 129, 0.25);
      color: #10B981;
    }
    /* 原生 Accordion 动效 */
    details summary::-webkit-details-marker {
      display:none;
    }
    details summary {
      list-style: none;
    }