/* roulang page: index */
:root {
      --primary: #0066FF;
      --primary-hover: #0052CC;
      --accent: #00D287;
      --dark-base: #0B132B;
      --dark-surface: #1C2541;
      --light-base: #F8FAFC;
      --text-main: #0F172A;
      --text-body: #334155;
      --text-muted: #64748B;
      --border-subtle: #E2E8F0;
    }
    html {
      scroll-behavior: smooth;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    }
    body {
      background-color: var(--light-base);
      color: var(--text-body);
      margin: 0;
      padding: 0;
      box-sizing: border-box;
      -webkit-font-smoothing: antialiased;
    }
    .custom-shadow {
      box-shadow: 0 4px 20px -2px rgba(11, 19, 43, 0.06);
    }
    .custom-shadow-hover:hover {
      box-shadow: 0 16px 32px -4px rgba(0, 102, 255, 0.12);
      transform: translateY(-2px);
    }
    .code-scroll::-webkit-scrollbar {
      height: 6px;
    }
    .code-scroll::-webkit-scrollbar-thumb {
      background: #334155;
      border-radius: 3px;
    }