/* roulang page: index */
:root {
      --brand-primary: #00E599;
      --brand-cyan: #00B4D8;
      --brand-purple: #7209B7;
      --bg-base: #0B0F19;
      --bg-surface: #111827;
      --bg-card: #162032;
      --border-light: rgba(255, 255, 255, 0.08);
      --text-main: #FFFFFF;
      --text-muted: #94A3B8;
      --text-sub: #64748B;
      --radius-card: 20px;
    }

    body {
      background-color: var(--bg-base);
      color: var(--text-main);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
      overflow-x: hidden;
    }

    .border-glow {
      border: 1px solid var(--border-light);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .border-glow:hover {
      border-color: rgba(0, 229, 153, 0.35);
      box-shadow: 0 15px 30px -10px rgba(0, 229, 153, 0.15);
      transform: translateY(-4px);
    }

    .badge-pill {
      display: inline-flex;
      align-items: center;
      padding: 0.35rem 0.85rem;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      background: rgba(0, 229, 153, 0.12);
      color: var(--brand-primary);
      border: 1px solid rgba(0, 229, 153, 0.25);
    }

    .badge-pill::before {
      content: '';
      display: inline-block;
      width: 6px;
      height: 6px;
      border-radius: 50%;
      background-color: var(--brand-primary);
      margin-right: 6px;
      box-shadow: 0 0 8px var(--brand-primary);
      animation: pulse 2s infinite;
    }

    @keyframes pulse {
      0%, 100% { opacity: 1; transform: scale(1); }
      50% { opacity: 0.4; transform: scale(0.85); }
    }

    .btn-gradient {
      background: linear-gradient(135deg, #00E599 0%, #00B4D8 100%);
      color: #07101C;
      font-weight: 700;
      transition: all 0.25s ease;
    }
    .btn-gradient:hover {
      filter: brightness(1.1);
      box-shadow: 0 0 20px rgba(0, 229, 153, 0.4);
    }

    .btn-outline {
      border: 1px solid rgba(255, 255, 255, 0.2);
      color: #FFFFFF;
      transition: all 0.25s ease;
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.05);
      border-color: var(--brand-primary);
      color: var(--brand-primary);
    }

    /* 手风琴折叠动画与指示图标 */
    details summary::-webkit-details-marker {
      display: none;
    }
    details[open] summary svg {
      transform: rotate(180deg);
    }

    /* 自定义滚动条 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #0B0F19;
    }
    ::-webkit-scrollbar-thumb {
      background: #1F2937;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #374151;
    }