:root{--ink:#16241e;--muted:#66756d;--line:#d6dfd9;--paper:#f7f8f6;--panel:#fff;--green:#21634e;--soft:#e4f0e9;--red:#af3f36;--mono:Consolas,monospace}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 Inter,"Noto Sans SC","Microsoft YaHei",sans-serif}a{color:inherit}.shell{max-width:1220px;margin:auto;padding:0 28px}.top{border-bottom:1px solid var(--line);background:#fff}.top .shell{height:72px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{font:700 20px Georgia,"Noto Serif SC",serif;text-decoration:none}.brand span{display:inline-grid;place-items:center;width:32px;height:32px;margin-right:8px;background:var(--green);color:#fff;font:11px var(--mono)}nav{display:flex;gap:16px;overflow:auto}nav a{white-space:nowrap;color:var(--muted);text-decoration:none;font-size:14px}nav a:hover{color:var(--green);font-weight:700}.hero{padding:76px 0 62px;border-bottom:1px solid var(--line)}.eyebrow{color:var(--green);font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase}h1,h2,h3{font-family:Georgia,"Noto Serif SC",serif;line-height:1.2}h1{font-size:clamp(38px,6vw,72px);max-width:930px;margin:12px 0 20px}h2{font-size:30px;margin:0 0 12px}.lead{max-width:760px;color:var(--muted);font-size:19px}.flow{display:flex;align-items:center;gap:10px;overflow:auto;margin-top:42px;padding-bottom:6px}.flow span{background:#fff;border:1px solid var(--line);padding:9px 12px;white-space:nowrap;font-size:13px}.flow b{color:var(--green)}main{padding:58px 0}.section{margin-bottom:58px}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;border:1px solid var(--line);background:var(--line)}.stat{background:#fff;padding:18px}.stat strong{display:block;font:32px Georgia,serif;color:var(--green)}.stat span{color:var(--muted);font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{background:#fff;border:1px solid var(--line);padding:22px;text-decoration:none}.card:hover{border-color:var(--green)}.card p{color:var(--muted);margin-bottom:0}.badge{display:inline-block;padding:3px 8px;background:var(--soft);color:var(--green);font-size:12px;font-weight:700}.layout{display:grid;grid-template-columns:260px 1fr;gap:38px}.side{position:sticky;top:20px;height:max-content;border-left:2px solid var(--green);padding-left:16px}.side a{display:block;padding:6px 0;text-decoration:none;color:var(--muted)}.content{min-width:0}.panel{background:var(--panel);border:1px solid var(--line);padding:24px;margin-bottom:20px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{font-size:13px;color:var(--muted)}.feature{cursor:pointer;width:100%;text-align:left}.score{font:700 36px Georgia,serif;color:var(--green)}.code{font:13px/1.55 var(--mono);white-space:pre-wrap;word-break:break-word;background:#102019;color:#e7f2ea;padding:18px;overflow:auto}.page{background:#fff;box-shadow:0 2px 18px #17241f18;width:min(100%,794px);min-height:1122px;margin:auto;padding:66px 62px;font-family:var(--mono)}.page pre{font:8px/1.35 var(--mono);white-space:pre-wrap;word-break:break-word}.pager{display:flex;justify-content:center;gap:14px;margin:20px}.button{border:0;background:var(--green);color:#fff;padding:9px 14px;cursor:pointer}.button:disabled{opacity:.4}.gate{display:grid;grid-template-columns:80px 1fr 80px;gap:14px;padding:12px 0;border-bottom:1px solid var(--line)}.pass{color:var(--green);font-weight:700}.fail{color:var(--red);font-weight:700}.warning{color:#a7632e;font-weight:700}.material h1{font-size:32px}.material h2{font-size:22px;margin-top:30px}.material p{color:#33443b}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}@media(max-width:800px){.shell{padding:0 18px}.top .shell{height:auto;min-height:72px;align-items:flex-start;padding-top:18px;padding-bottom:18px;flex-direction:column}.hero{padding:48px 0}.stats,.grid{grid-template-columns:1fr 1fr}.layout{grid-template-columns:1fr}.side{position:static}.page{padding:32px 24px;min-height:900px}}@media(max-width:500px){.stats,.grid{grid-template-columns:1fr}h1{font-size:39px}}