/* roulang page: index */
:root {
      --bg-dark: #080C14;
      --primary-blue: #1877F2;
      --cyan-light: #00D2FF;
      --accent-green: #00E676;
      --text-white: #FFFFFF;
      --text-muted: #94A3B8;
      --border-line: rgba(255, 255, 255, 0.1);
      --card-glass: rgba(15, 23, 42, 0.75);
    }
    body {
      background-color: var(--bg-dark);
      color: #E2E8F0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
    }
    .glass-card {
      background: var(--card-glass);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-line);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.36);
      transition: all 0.3s ease;
    }
    .glass-card:hover {
      border-color: rgba(0, 210, 255, 0.4);
      box-shadow: 0 0 24px rgba(0, 210, 255, 0.25);
      transform: translateY(-3px);
    }
    .hero-glow-bg {
      background: radial-gradient(circle at 50% 20%, rgba(24, 119, 242, 0.22) 0%, rgba(8, 12, 20, 0.95) 75%),
                  url('/assets/images/a9dd064d5209f5f4.webp') center/cover no-repeat;
    }
    .accent-gradient-text {
      background: linear-gradient(135deg, #FFFFFF 10%, #00D2FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .btn-electric {
      background: linear-gradient(135deg, #1877F2 0%, #00D2FF 100%);
      color: #FFFFFF;
      box-shadow: 0 0 16px rgba(0, 210, 255, 0.3);
      transition: all 0.3s ease;
    }
    .btn-electric:hover {
      box-shadow: 0 0 24px rgba(0, 210, 255, 0.55);
      transform: translateY(-1px);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid var(--border-line);
      color: #F8FAFC;
      transition: all 0.3s ease;
    }
    .btn-ghost:hover {
      background: rgba(24, 119, 242, 0.15);
      border-color: var(--cyan-light);
    }
    .radar-pulse {
      position: relative;
    }
    .radar-pulse::after {
      content: '';
      position: absolute;
      width: 8px;
      height: 8px;
      background: var(--accent-green);
      border-radius: 50%;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      box-shadow: 0 0 10px var(--accent-green);
    }
    /* 自定义代码区滚条 */
    pre::-webkit-scrollbar {
      height: 6px;
      background: rgba(0, 0, 0, 0.2);
    }
    pre::-webkit-scrollbar-thumb {
      background: rgba(255, 255, 255, 0.2);
      border-radius: 3px;
    }