:root{--paper:#fffdf9;--bg:#f7f4ee;--ink:#352e29;--muted:#74665b;--line:#d9cfc4;--accent:#87573d}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 Arial,'Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}button{cursor:pointer}button,a{ -webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #87573d;outline-offset:3px}.shell{display:grid;grid-template-columns:235px minmax(0,1fr);min-height:100vh}.rail{padding:35px 24px;border-right:1px solid var(--line);display:flex;flex-direction:column;background:#eee7de}.brand{display:flex;align-items:center;gap:12px;margin-bottom:48px;line-height:1.3}.brand img{width:39px}.brand strong{font-size:21px;letter-spacing:2px}.brand small{display:block;font-size:9px;letter-spacing:1.5px}.rail nav{display:grid;gap:8px}.rail nav a{padding:12px 15px;border:1px solid transparent}.rail nav a.active{background:var(--paper);border-color:var(--line);color:var(--accent)}.rail .bottom{margin-top:auto;padding-top:55px;font-size:12px;color:var(--muted)}.content{padding:0 45px 45px;max-width:1500px;width:100%;margin:auto}.top{display:flex;justify-content:space-between;align-items:center;min-height:86px;border-bottom:1px solid var(--line);gap:16px}.kicker{font-size:11px;letter-spacing:1.8px;text-transform:uppercase;color:var(--accent)}.langs{display:flex;gap:6px}.langs a{padding:10px;min-height:44px}.langs a[aria-current]{text-decoration:underline;text-underline-offset:5px;color:var(--accent)}.demo{background:#eee7de;border-left:3px solid #b99a80;padding:12px 18px;font-size:12px;color:#665345;margin:22px 0 30px}.heading{display:flex;align-items:center;justify-content:space-between;gap:24px;margin:28px 0}.heading h1{margin:4px 0;font:400 clamp(30px,3.5vw,46px)/1.2 Georgia,serif;letter-spacing:-1px}p{color:var(--muted)}.btn{border:1px solid var(--accent);background:var(--accent);color:white;padding:12px 20px;min-height:46px;display:inline-flex;align-items:center;justify-content:center;gap:10px}.btn.secondary{background:transparent;color:var(--accent);border-color:var(--line)}.btn:hover{filter:brightness(.94)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:30px 0}.stat{border:1px solid var(--line);background:var(--paper);padding:20px 24px}.stat b{font:400 38px Georgia,serif;display:block}.stat span{font-size:12px;color:var(--muted)}.grid{display:grid;grid-template-columns:minmax(0,1fr) 270px;gap:25px}.panel{background:var(--paper);border:1px solid var(--line);padding:25px;min-width:0}.panel h2{font:400 25px/1.3 Georgia,serif;margin:0 0 20px}.empty{text-align:center;padding:45px 15px}.empty .seal{font-size:44px;color:#b69a84}.empty h2{margin:15px}.empty p{max-width:440px;margin:15px auto 25px}.cover{height:160px;overflow:hidden;margin:-25px -25px 24px}.cover img{width:100%;height:100%;object-fit:cover;object-position:50% 70%}.help p,.help a{font-size:13px}.help a{text-decoration:underline;text-underline-offset:4px}.item{padding:23px 0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr auto;gap:12px}.item h3{font-weight:400;font-size:18px;margin:8px 0;overflow-wrap:anywhere}.meta{font-size:12px;color:var(--muted)}.badge{font-size:11px;background:#eee5db;color:#795237;padding:5px 9px;display:inline-block}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.field{display:block;margin:0 0 20px}.field span{display:block;font-size:13px;margin-bottom:7px}input:not([type=checkbox]),textarea,select{width:100%;padding:12px;background:#fffefb;border:1px solid #b9ab9d;color:var(--ink);border-radius:0}textarea{min-height:140px;resize:vertical}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:25px}.steps{display:flex;list-style:none;padding:0;gap:10px;margin:0 0 28px}.steps li{flex:1;border-top:2px solid var(--line);padding-top:12px;font-size:12px;color:var(--muted)}.steps li.current{border-color:var(--accent);color:var(--accent)}.check{display:flex;align-items:flex-start;gap:12px;margin:20px 0}.check input{margin-top:6px;width:18px;height:18px;flex-shrink:0}.timeline{padding:0;list-style:none}.timeline li{border-left:2px solid var(--line);padding:0 0 25px 20px;color:var(--muted);font-size:13px}.timeline li.current{border-color:var(--accent);color:var(--accent);font-weight:bold}.message{border-left:2px solid var(--line);padding:5px 18px;margin:18px 0;white-space:pre-wrap;overflow-wrap:anywhere}.file{padding:12px;background:var(--bg);margin:10px 0;overflow-wrap:anywhere}.file button{background:none;border:0;color:var(--accent);text-decoration:underline;padding:8px}.error{color:#a32f27}.toast{position:fixed;bottom:24px;right:24px;max-width:calc(100% - 48px);padding:15px 24px;background:#352e29;color:white;z-index:20}.toast:empty{display:none}.summary{white-space:pre-wrap;overflow-wrap:anywhere}.full{grid-column:1/-1}@media(max-width:1100px){.content{padding:0 25px 30px}.grid{grid-template-columns:1fr}.help{display:none}.shell{grid-template-columns:205px minmax(0,1fr)}}@media(max-width:700px){.shell{display:block}.rail{padding:18px;border-right:0;border-bottom:1px solid var(--line)}.brand{margin:0 0 18px}.rail nav{display:flex;gap:4px;flex-wrap:wrap}.rail nav a{padding:9px 12px;font-size:13px}.rail .bottom{display:none}.content{padding:0 18px 30px}.top{min-height:65px}.heading{align-items:flex-start;flex-direction:column}.heading h1{font-size:34px}.stats{gap:8px}.stat{padding:14px 12px}.stat b{font-size:30px}.panel{padding:20px}.form-grid{grid-template-columns:1fr}.item{grid-template-columns:1fr}.steps{flex-wrap:wrap}.steps li{min-width:40%}.kicker{font-size:9px}.demo{margin:18px 0}.heading .btn{width:100%}}