/* roulang page: index */
:root {
      --color-primary: #0B131F;
      --color-accent: #00E599;
      --color-cyan: #00B4D8;
      --color-amber: #FF6B35;
      --color-bg-light: #F8FAFC;
      --color-text-main: #0F172A;
      --color-text-muted: #475569;
      --radius-default: 1rem;
      --shadow-sm: 0 4px 20px -4px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 16px 32px -8px rgba(0, 229, 153, 0.15);
    }
    
    body {
      background-color: #F8FAFC;
      color: #0F172A;
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
      overflow-x: hidden;
    }

    .clip-hero-diagonal {
      clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
    }

    .glass-nav {
      background: rgba(11, 19, 31, 0.88);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
    }

    .glass-card {
      background: rgba(17, 28, 42, 0.75);
      backdrop-filter: blur(10px);
      border: 1px solid rgba(255, 255, 255, 0.08);
    }

    .stat-number {
      font-feature-settings: "tnum";
      font-variant-numeric: tabular-nums;
    }