/* roulang page: index */
:root {
      --color-primary: #0F1E36;
      --color-accent: #00A389;
      --color-bg-light: #F8FAFC;
      --color-text: #1E293B;
      --color-subtext: #475569;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      color: var(--color-text);
      background-color: #ffffff;
      font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      line-height: 1.75;
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background-color: #cbd5e1;
      border-radius: 4px;
    }
    .cta-glow {
      box-shadow: 0 0 25px rgba(0, 163, 137, 0.4);
    }
    .hero-bg-overlay {
      background: linear-gradient(135deg, rgba(15, 30, 54, 0.94) 0%, rgba(15, 30, 54, 0.82) 100%);
    }