:root{color-scheme:light;--ink:#202e35;--muted:#66767c;--line:#dce5e8;--accent:#126bb0}*{box-sizing:border-box}body{margin:0;background:#f8fafb;color:var(--ink);font:16px/1.8 system-ui,"Microsoft YaHei",sans-serif}header{background:#fff;border-bottom:1px solid var(--line);padding:20px max(24px,calc((100vw - 1140px)/2));display:flex;align-items:center;gap:24px;flex-wrap:wrap}header strong{font-size:22px;letter-spacing:-.5px}nav{display:flex;gap:20px;flex-wrap:wrap;font-size:14px}a{color:var(--accent);text-underline-offset:3px}main{max-width:1140px;margin:36px auto;padding:36px 44px;background:white;border:1px solid var(--line);border-radius:16px}h1{font-size:34px;letter-spacing:-1px;line-height:1.3}h2{font-size:23px;margin-top:40px}h3{font-size:19px}pre{overflow:auto;background:#eef3f6;border:1px solid var(--line);padding:18px;border-radius:10px;line-height:1.6}code{font-family:Consolas,monospace;overflow-wrap:anywhere;font-size:.9em}p,li{overflow-wrap:anywhere}table{display:block;overflow:auto;border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;vertical-align:top;border:1px solid var(--line);padding:10px 14px}th{background:#edf4f8}blockquote{border-left:3px solid var(--accent);margin:20px 0;padding-left:20px;color:var(--muted)}footer{max-width:1140px;margin:24px auto;padding:0 24px;color:var(--muted);font-size:13px}@media(max-width:700px){main{margin:16px 12px;padding:22px 18px}h1{font-size:28px}header{padding:18px}nav{gap:12px}}