*{box-sizing:border-box}body{margin:0;font-family:system-ui,"Microsoft YaHei",sans-serif;color:#302c27;background:#faf8f4;line-height:1.8}a{color:#925b2a;text-underline-offset:4px}header,main,footer{width:min(880px,calc(100% - 40px));margin:auto}header{display:flex;align-items:center;justify-content:space-between;padding:24px 0;border-bottom:1px solid #e8e2d9}header a{text-decoration:none}header .brand{display:flex;align-items:center;gap:12px;font-size:20px;font-weight:650}.brand svg{width:42px;height:42px}nav{display:flex;gap:20px}main{padding:50px 0 70px}h1{font-size:clamp(30px,5vw,46px);line-height:1.3;letter-spacing:-1px;margin:0 0 20px}h2{font-size:21px;margin:32px 0 12px}p,li{font-size:15px}p{margin:10px 0 18px}footer{padding:24px 0;color:#777066;font-size:13px;border-top:1px solid #e8e2d9}.muted{color:#777066}.hero{padding:25px 0 30px}.hero p{font-size:19px}.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.card{padding:24px;background:white;border:1px solid #e8e2d9;border-radius:18px}.card h2{margin-top:0}.links{display:flex;gap:20px;flex-wrap:wrap;margin-top:24px}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f0ece5;padding:20px;border-radius:12px;font-size:13px}table{border-collapse:collapse;width:100%;font-size:14px}td,th{padding:12px;border-bottom:1px solid #e8e2d9;text-align:left}.help-toc{display:flex;flex-wrap:wrap;gap:8px 18px;padding:20px;background:#f0ece5;border-radius:12px;font-size:14px}code{overflow-wrap:anywhere}section{scroll-margin-top:20px}@media(max-width:600px){header{align-items:flex-start;gap:12px}nav{gap:12px;font-size:13px}.cards{grid-template-columns:1fr}main{padding-top:32px}.brand small{display:none}}