:root {
      --bg: #f6f7fb;
      --card: #ffffff;
      --text: #1f2937;
      --muted: #667085;
      --line: #e5e7eb;
      --accent: #2563eb;
    }
    * { box-sizing: border-box; }
    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.7;
      word-break: keep-all;
    }
    .wrap {
      max-width: 860px;
      margin: 0 auto;
      padding: 48px 20px 80px;
    }
    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 20px;
      padding: 32px 24px;
      box-shadow: 0 8px 30px rgba(15, 23, 42, 0.05);
    }
    h1, h2, h3 { line-height: 1.35; margin: 0 0 16px; }
    h1 { font-size: 2rem; }
    h2 { font-size: 1.3rem; margin-top: 36px; }
    h3 { font-size: 1.05rem; margin-top: 24px; }
    p { margin: 0 0 14px; }
    ul { margin: 0 0 14px 20px; padding: 0; }
    li { margin-bottom: 8px; }
    .muted { color: var(--muted); }
    .topnav { margin-bottom: 18px; }
    .topnav a {
      color: var(--accent);
      text-decoration: none;
      font-weight: 600;
    }
    .footer {
      margin-top: 36px;
      padding-top: 20px;
      border-top: 1px solid var(--line);
      color: var(--muted);
      font-size: 0.95rem;
    }
    code {
      background: #eef2ff;
      border-radius: 8px;
      padding: 2px 6px;
      font-size: 0.95em;
    }
  
.language-switcher { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 24px; font-size: 14px; }
.language-switcher [aria-current="page"] { color: var(--text); font-weight: 700; text-decoration: none; }
ol { margin: 0 0 14px 20px; padding: 0; }
a { overflow-wrap: anywhere; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }