/* roulang page: index */
:root {
      --color-primary: #1e40af;
      --color-accent: #d97706;
      --color-bg-soft: #f8fafc;
      --text-main: #0f172a;
      --text-muted: #64748b;
    }
    body {
      font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
      color: #334155;
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
    }
    .elder-font-large {
      font-size: 112.5% !important;
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(30, 64, 175, 0.82) 100%);
    }
    .transition-base {
      transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }