:root{--ink:#1c2b2a;--paper:#f4f1e9;--white:#fffdf7;--line:#c9c8b9;--accent:#176b60;--muted:#5f6a66;--danger:#ab4b34}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.55 -apple-system,BlinkMacSystemFont,"PingFang SC",sans-serif}main{max-width:1100px;margin:auto;padding:0 24px 80px}nav{height:72px;display:flex;align-items:center;gap:26px;border-bottom:1px solid var(--line)}nav b{font:700 20px/1 Georgia,serif;letter-spacing:.12em;margin-right:auto}nav a{font-size:14px;color:var(--ink);text-decoration:none}nav a:hover{text-decoration:underline}.hero{padding:78px 0 54px;border-bottom:1px solid var(--ink)}.eyebrow{text-transform:uppercase;letter-spacing:.18em;font:700 11px/1.4 ui-monospace,SFMono-Regular,monospace;color:var(--accent)}h1,h2,h3{font-family:Georgia,"Songti SC",serif;line-height:1.15}h1{font-size:clamp(44px,7vw,78px);letter-spacing:-.045em;margin:18px 0 24px;max-width:800px}h2{font-size:31px;letter-spacing:-.03em;margin:10px 0 18px}h3{font-size:23px;margin:8px 0 16px}.hero p{max-width:650px;font-size:18px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:28px 0 64px}.card,.panel{background:var(--white);border:1px solid var(--line);padding:30px}.card p{color:var(--muted);margin:8px 0}.button,button{display:inline-block;background:var(--ink);color:#fff;border:1px solid var(--ink);padding:12px 18px;font:600 14px/1.25 inherit;cursor:pointer;text-decoration:none;border-radius:0}.button:hover,button:hover{background:var(--accent);border-color:var(--accent)}button.secondary,.button.secondary{background:transparent;color:var(--ink)}button.secondary:hover{background:#e3e9e3}.button{margin-top:22px}.layout{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(270px,.8fr);gap:20px;margin-top:28px}.stack{display:grid;gap:20px}.hint{color:var(--muted);font-size:14px}.notice{border-left:3px solid var(--accent);padding:12px 16px;background:#e9f1eb;margin:14px 0}.warning{border-left-color:var(--danger);background:#faede8}.field{display:flex;flex-direction:column;gap:6px;margin:14px 0}.field label{font-size:13px;font-weight:700}.field input,.field select,.field textarea,input,select,textarea{font:inherit;color:var(--ink);background:#fff;border:1px solid #a9b0a8;padding:10px 12px;border-radius:0;max-width:100%}.field textarea{min-height:110px;resize:vertical}.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}.row .field{flex:1;min-width:120px}.slots{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.slot{padding:10px;background:#fff;border:1px solid var(--line);text-align:left;color:var(--ink);min-width:0}.slot.full{color:var(--muted);background:#eee9e0}.slot.selected{border:2px solid var(--accent)}.slot small{display:block;font-size:11px}.record{padding:14px 0;border-top:1px solid var(--line)}.record p{margin:4px 0}.status{font-size:13px;color:var(--accent);font-weight:700}.auth{background:var(--ink);color:#fff;padding:22px;margin-top:24px}.auth input{background:#fff;min-width:min(360px,100%)}.auth .hint{color:#c8d4d0}.auth button{background:var(--accent);border-color:var(--accent)}.auth .row{align-items:center}footer{border-top:1px solid var(--line);padding:28px 0;color:var(--muted);font-size:13px}footer a{color:inherit}.hidden{display:none!important}#message{white-space:pre-wrap}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}.mini{font-size:13px}.sep{border-top:1px solid var(--line);margin:22px 0}@media(max-width:760px){main{padding:0 16px 50px}nav{gap:14px;height:60px}nav b{font-size:16px}.hero{padding:45px 0 32px}.grid,.layout,.two-col{grid-template-columns:1fr}.card,.panel{padding:22px}.slots{grid-template-columns:repeat(2,1fr)}}
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