:root{color-scheme:light dark;--paper:#f9f6ee;--panel:#fffdf8;--nav:#eee9de;--ink:#332d27;--muted:#675e54;--rule:#ded6c8;--terra:#9c5037;--tint:#f2e4d8;--shadow:0 12px 38px #5146340c}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;-webkit-font-smoothing:antialiased}a{color:var(--terra);text-underline-offset:.2em}a:focus-visible,summary:focus-visible{outline:3px solid var(--terra);outline-offset:3px;border-radius:3px}header,footer{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:20px clamp(20px,5vw,62px)}header{border-bottom:1px solid var(--rule)}.wordmark{display:inline-flex;align-items:center;gap:9px;font-size:19px;font-weight:650;color:var(--ink);text-decoration:none}.wordmark img{width:31px;height:31px}nav{display:flex;gap:clamp(12px,3vw,34px)}nav a,footer a{text-decoration:none;color:var(--muted);font-size:14px}nav a[aria-current],nav a:hover{color:var(--ink);text-decoration:underline}.skip{position:absolute;left:-100vw}.skip:focus{left:12px;top:12px;background:var(--panel);padding:8px;z-index:2}main{max-width:1180px;margin:auto;padding:0 clamp(20px,5vw,62px)}.hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:clamp(25px,6vw,84px);padding:clamp(65px,9vw,130px) 0 76px}.kicker{font:600 12px/1.4 ui-monospace,monospace;letter-spacing:.11em;color:var(--terra);margin:0 0 16px}.hero h1,.article h1,h2{font-family:Georgia,'Songti SC','Noto Serif CJK SC',serif;font-weight:550;line-height:1.19;letter-spacing:-.035em}.hero h1{font-size:clamp(38px,4.7vw,67px);margin:0}.lead{color:var(--muted);font-size:18px;line-height:1.8;max-width:36em}.actions{display:flex;gap:16px;align-items:center;flex-wrap:wrap;margin-top:28px}.cta{display:inline-flex;align-items:center;gap:12px;border:1px solid var(--terra);background:var(--terra);color:var(--panel);padding:9px 19px;border-radius:10px;text-decoration:none;font-weight:600}.preview{border:1px solid var(--rule);border-radius:17px;box-shadow:var(--shadow);overflow:hidden;background:var(--panel)}.titlebar{background:var(--nav);display:flex;gap:5px;align-items:center;padding:10px 15px;color:var(--muted);font-size:12px}.titlebar i{width:8px;height:8px;border:1px solid var(--muted);border-radius:50%}.titlebar span{margin-left:auto}.exchange{padding:23px}.exchange p{margin:0 0 15px}.me{margin-left:12%!important;border-radius:10px;background:var(--nav);padding:8px 13px}.answer{font-family:Georgia,'Songti SC',serif;font-size:20px}.trace{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:8px}.trace i{width:7px;height:7px;border-radius:50%;background:var(--terra)}.mini-composer{font-size:13px;margin-top:20px;border:1px solid var(--rule);border-radius:11px;padding:10px;color:var(--muted)}.featuregrid,.versions{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(240px,100%),1fr));gap:17px;margin:20px 0 65px}.box{background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:23px;box-shadow:var(--shadow)}.box h2,.box h3{margin:9px 0;font-size:22px}.box p{color:var(--muted);margin:.5em 0}.step{font:600 13px ui-monospace,monospace;color:var(--terra)}.article{max-width:850px;padding-top:65px;padding-bottom:80px}.article h1{font-size:clamp(35px,5vw,54px);margin:0 0 16px}.article h2{margin:34px 0 9px;font-size:27px}.article p,.article li{max-width:65ch}.article li+li{margin-top:9px}.note{border-left:3px solid var(--terra);padding:8px 16px;background:var(--tint);color:var(--ink)}.tag{font-size:13px;padding:3px 9px;border-radius:30px;background:var(--tint);color:var(--terra)}code{font-family:ui-monospace,monospace;font-size:.92em;overflow-wrap:anywhere}footer{border-top:1px solid var(--rule);color:var(--muted);font-size:13px;flex-wrap:wrap}@media(max-width:760px){.hero{grid-template-columns:1fr;padding:50px 0 38px}.preview{max-width:580px}.article{padding-top:46px}.box{padding:18px}}@media(max-width:430px){header{flex-wrap:wrap;gap:10px;padding-block:12px}nav{gap:16px}}@media(prefers-color-scheme:dark){:root{--paper:#191816;--panel:#22211e;--nav:#2c2a26;--ink:#f3eee3;--muted:#b9b1a4;--rule:#413d36;--terra:#e6a085;--tint:#392c25;--shadow:none}}
:root{--terra:#b8431f;--tint:#fbe5dc}@media(prefers-color-scheme:dark){:root{--terra:#f7845f;--tint:#3a241c}}.lang{border:1px solid var(--rule);border-radius:20px;padding:1px 10px}.approve{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:16px;padding:10px 12px;border:1px solid var(--rule);border-radius:11px;font-size:13px}.approve span{margin-right:auto}.approve b,.approve em{font-style:normal;font-weight:600;padding:3px 12px;border-radius:8px}.approve b{background:var(--terra);color:var(--panel)}.approve em{border:1px solid var(--rule);color:var(--muted)}.faq{padding-top:10px}.faq h3{font-size:18px;margin:26px 0 4px}
.featuregrid{grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr))}
.steps{list-style:none;counter-reset:s;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(230px,100%),1fr));gap:16px;max-width:none}.article .steps li{counter-increment:s;max-width:none;margin:0;background:var(--panel);border:1px solid var(--rule);border-radius:14px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:6px}.steps li:before{content:counter(s);width:30px;height:30px;border-radius:50%;background:var(--terra);color:var(--panel);display:grid;place-items:center;font-weight:700;margin-bottom:6px}.steps span{color:var(--muted);font-size:15px}#start{max-width:1180px;padding-bottom:20px}.roadmap{list-style:none;padding:0}.roadmap b{display:inline-block;min-width:5.5em;color:var(--terra)}