/* roulang page: index */
:root {
      --color-brand-dark: #0F172A;
      --color-brand-blue: #1E40AF;
      --color-brand-accent: #EA580C;
      --color-bg-light: #F8FAFC;
    }
    body {
      font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
    }
    .custom-gradient-hero {
      background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(30, 64, 175, 0.88) 100%);
    }