/* roulang page: index */
:root {
      --primary: #4f46e5;
      --primary-hover: #4338ca;
      --accent: #10b981;
      --dark: #0f172a;
      --dark-card: #1e293b;
      --bg-light: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
      --border-color: #e2e8f0;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
      color: var(--text-main);
      background-color: #ffffff;
      overflow-x: hidden;
    }
    .hero-live-bg {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.85)), url('/assets/images/e72c39e0826d69e7.webp') center/cover no-repeat;
    }
    .dark-section-bg {
      background: linear-gradient(180deg, #0f172a 0%, #1e293b 100%);
    }
    .gradient-border-card {
      background: #ffffff;
      border: 1px solid rgba(226, 232, 240, 0.8);
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .gradient-border-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 8px 10px -6px rgba(0, 0, 0, 0.04);
      border-color: rgba(99, 102, 241, 0.4);
    }
    .badge-glow {
      box-shadow: 0 0 12px rgba(99, 102, 241, 0.35);
    }
    .countdown-box {
      background: rgba(255, 255, 255, 0.08);
      backdrop-filter: blur(12px);
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    details summary::-webkit-details-marker {
      display: none;
    }