/* roulang page: index */
:root {
      --bg-dark: #060B19;
      --bg-card: rgba(15, 23, 42, 0.72);
      --bg-card-hover: rgba(30, 41, 59, 0.85);
      --primary-cyan: #00D2DF;
      --primary-blue: #0077FF;
      --accent-green: #10B981;
      --accent-amber: #F59E0B;
      --border-glow: rgba(0, 210, 223, 0.25);
      --border-subtle: rgba(255, 255, 255, 0.08);
      --text-main: #F8FAFC;
      --text-muted: #94A3B8;
      --text-secondary: #CBD5E1;
    }

    body {
      background-color: var(--bg-dark);
      color: var(--text-secondary);
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      overflow-x: hidden;
      scroll-behavior: smooth;
    }

    /* 玻璃拟态卡片 */
    .glass-card {
      background: var(--bg-card);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--border-subtle);
      box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.45);
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .glass-card:hover {
      border-color: var(--border-glow);
      transform: translateY(-4px);
      box-shadow: 0 16px 40px -8px rgba(0, 210, 223, 0.2);
    }

    /* 科技感发光按钮 */
    .glow-btn-primary {
      background: linear-gradient(135deg, #00D2DF 0%, #0077FF 100%);
      color: #060B19;
      font-weight: 600;
      box-shadow: 0 0 20px rgba(0, 210, 223, 0.4);
      transition: all 0.3s ease;
    }
    .glow-btn-primary:hover {
      box-shadow: 0 0 32px rgba(0, 210, 223, 0.7);
      transform: scale(1.02);
      color: #000000;
    }

    .glow-btn-ghost {
      background: rgba(15, 23, 42, 0.6);
      border: 1px solid rgba(0, 210, 223, 0.4);
      color: #00D2DF;
      transition: all 0.3s ease;
      backdrop-filter: blur(8px);
    }
    .glow-btn-ghost:hover {
      background: rgba(0, 210, 223, 0.12);
      border-color: #00D2DF;
      box-shadow: 0 0 20px rgba(0, 210, 223, 0.3);
      color: #FFFFFF;
    }

    /* 渐变标题字效 */
    .text-gradient-cyan {
      background: linear-gradient(135deg, #FFFFFF 20%, #00D2DF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }
    .text-gradient-blue {
      background: linear-gradient(135deg, #00D2DF 0%, #0077FF 100%);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
    }

    /* 脉冲信号点 */
    .pulse-dot {
      display: inline-block;
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background-color: var(--accent-green);
      box-shadow: 0 0 10px var(--accent-green);
      animation: pulseAnim 2s infinite;
    }
    @keyframes pulseAnim {
      0% { transform: scale(0.95); opacity: 0.7; }
      50% { transform: scale(1.25); opacity: 1; }
      100% { transform: scale(0.95); opacity: 0.7; }
    }

    /* 隐藏原生滚动条 */
    ::-webkit-scrollbar {
      width: 8px;
    }
    ::-webkit-scrollbar-track {
      background: #060B19;
    }
    ::-webkit-scrollbar-thumb {
      background: #1E293B;
      border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
      background: #00D2DF;
    }