:root{color-scheme:light;--ink:#20312b;--muted:#66716b;--line:#dce0d9}*{box-sizing:border-box}body{margin:0 auto;max-width:840px;padding:0 32px;background:#f8f8f3;color:var(--ink);font:16px/1.8 Arial,Helvetica,sans-serif}a{color:inherit;text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #74895c;outline-offset:5px}header{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:36px 0;border-bottom:1px solid var(--line)}.brand{font-size:30px;font-weight:800;letter-spacing:-1.7px;text-decoration:none}nav{display:flex;gap:24px;font-size:13px}nav a{text-decoration:none}main{padding:64px 0 54px;min-height:65vh}h1{font-size:44px;letter-spacing:-1.6px;line-height:1.2;margin:14px 0 26px}h2{font-size:21px;line-height:1.4;margin-top:35px}.label{font-size:10px;letter-spacing:2px;font-weight:bold;color:var(--muted)}.intro{font-size:21px;line-height:1.6;max-width:650px}.zh,.meta,.contact{color:var(--muted);font-size:13px}.links{display:flex;gap:30px;padding:25px 0}.contact{margin-top:32px}footer{display:flex;justify-content:space-between;gap:18px;padding:25px 0 40px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.skip{position:absolute;left:20px;top:-70px;background:#fff;padding:9px}.skip:focus{top:12px}@media(max-width:520px){body{padding:0 22px}header{padding:24px 0}nav{gap:16px}main{padding-top:40px}h1{font-size:36px}.intro{font-size:19px}.links{flex-wrap:wrap;gap:15px}footer{flex-direction:column;gap:4px}}