/* roulang page: index */
:root {
      --color-primary: #0B3B60;
      --color-secondary: #0284C7;
      --color-accent: #EA580C;
      --color-bg-base: #F4F8FA;
      --color-dark: #061826;
      --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
    }
    body {
      font-family: var(--font-stack);
      color: #1e293b;
      background-color: #ffffff;
      -webkit-font-smoothing: antialiased;
    }
    .text-balance {
      text-wrap: balance;
    }
    .card-transition {
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }
    .card-transition:hover {
      transform: translateY(-4px);
    }
    .code-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .code-scroll::-webkit-scrollbar-thumb {
      background: #334155;
      border-radius: 3px;
    }