/* roulang page: index */
:root {
      --primary: #0F2B2E;
      --accent: #10E599;
      --accent-hover: #0dc482;
      --surface-light: #F8FAFC;
      --surface-dark: #0B171A;
      --border-color: #E2E8F0;
    }
    body {
      background-color: var(--surface-light);
      color: #1E293B;
      font-family: system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      overflow-x: hidden;
    }
    .hero-mask {
      background: linear-gradient(135deg, rgba(11, 23, 26, 0.94) 0%, rgba(15, 43, 46, 0.88) 55%, rgba(11, 23, 26, 0.96) 100%);
    }
    .metric-glow {
      box-shadow: 0 0 25px rgba(16, 229, 153, 0.18);
    }
    .glow-card {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    .glow-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 12px 28px -6px rgba(15, 43, 46, 0.12), 0 0 15px rgba(16, 229, 153, 0.15);
      border-color: #10E599;
    }
    .timeline-dot::after {
      content: '';
      position: absolute;
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: #10E599;
      box-shadow: 0 0 10px #10E599;
      left: 50%;
      top: 50%;
      transform: translate(-50%, -50%);
    }
    .tab-active {
      background-color: #0F2B2E;
      color: #10E599;
      border-color: #10E599;
    }