/* roulang page: index */
:root {
      --primary: #1E3A8A;
      --secondary: #0D9488;
      --accent: #10B981;
      --bg-dark: #0F172A;
      --bg-light: #F8FAFC;
      --text-main: #0F172A;
      --text-muted: #64748B;
    }
    body {
      color: #334155;
      background-color: #FFFFFF;
      overflow-x: hidden;
      font-family: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    .badge-glow {
      box-shadow: 0 0 15px rgba(13, 148, 136, 0.2);
    }
    .grid-pattern {
      background-size: 30px 30px;
      background-image: 
        linear-gradient(to right, rgba(226, 232, 240, 0.4) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(226, 232, 240, 0.4) 1px, transparent 1px);
    }
    .accordion-content {
      transition: max-height 0.3s ease-out, opacity 0.25s ease-out;
      max-height: 0;
      opacity: 0;
      overflow: hidden;
    }
    .accordion-content.active {
      max-height: 300px;
      opacity: 1;
    }