/* roulang page: index */
:root {
      --color-primary: #0B0D10;
      --color-graphite: #16191E;
      --color-deep: #0D1117;
      --color-accent: #00E599;
      --color-accent-blue: #3E7BFA;
      --color-bg-light: #F8FAFC;
      --color-text-main: #0F172A;
      --color-text-body: #334155;
      --color-text-muted: #64748B;
      --color-border: #E2E8F0;
      --shadow-subtle: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
      --shadow-hover: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: var(--font-sans, system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif);
      color: var(--color-text-body);
      background-color: #FFFFFF;
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    .custom-scrollbar::-webkit-scrollbar {
      height: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
      background: #CBD5E1;
      border-radius: 9999px;
    }
    .card-transition {
      transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    }
    .card-transition:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-hover);
    }