/* roulang page: index */
:root {
      --primary-color: #10B981;
      --secondary-color: #06B6D4;
      --dark-surface: #0F172A;
      --card-bg: #FFFFFF;
      --text-main: #0F172A;
      --text-sub: #334155;
      --border-color: #E2E8F0;
      --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
      --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    }
    html {
      scroll-behavior: smooth;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      background-color: #F8FAFC;
      color: var(--text-sub);
      line-height: 1.7;
    }
    .hero-search-bg {
      background-image: linear-gradient(rgba(15, 23, 42, 0.88), rgba(15, 23, 42, 0.94)), url('/assets/images/5b4342ce8f7b2f29.webp');
      background-size: cover;
      background-position: center;
    }
    .custom-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scroll::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .font-mono-numbers {
      font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    }