:root{font-family:"Noto Sans CJK SC","Microsoft YaHei","PingFang SC",system-ui,sans-serif;color:#1c2c40;background:#f2f5fa;font-synthesis:none}
*{box-sizing:border-box}body{margin:0}header{padding:28px max(24px,calc((100vw - 1280px)/2));background:#142944;color:#fff;display:flex;justify-content:space-between;align-items:center}
.brand{font-size:11px;letter-spacing:.18em;color:#99ceff}h1{font-size:28px;margin:8px 0}header p{color:#b2c5dc;margin:0}main{max-width:1280px;margin:24px auto;padding:0 20px}.columns{display:grid;grid-template-columns:1.25fr 1fr;gap:20px}
.card{background:white;border:1px solid #dae3ee;border-radius:12px;padding:24px;margin-bottom:20px;min-width:0}.narrow{max-width:440px;margin:60px auto}h2{font-size:18px;margin:0 0 18px}h2:not(:first-child){margin-top:28px}p{line-height:1.7;color:#52667e}
label{display:block;font-size:13px;font-weight:600;margin-bottom:15px}input,select{display:block;width:100%;font:inherit;padding:10px 12px;border:1px solid #bdcbdb;border-radius:6px;margin-top:7px;color:#20334b;background:#fff}
input:focus,select:focus{outline:2px solid #b4dbff;border-color:#3184d5}.pair{display:grid;grid-template-columns:1fr 1fr;gap:14px}.triple{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px}.model{background:#f5f8fc;border:1px solid #e0e7f0;padding:16px;border-radius:8px;margin:12px 0}
button{font:inherit;border:1px solid #ccd7e4;padding:10px 16px;border-radius:6px;background:white;cursor:pointer;color:#2a4768}.primary{background:#1769b8;border-color:#1769b8;color:white;font-weight:600}.danger{color:#a32334;border-color:#edb7bf}.quiet{background:#f4f7fb}button:disabled{opacity:.45;cursor:not-allowed}button:hover:not(:disabled){filter:brightness(.96)}
.check{display:flex;align-items:flex-start;gap:9px;font-weight:400;line-height:1.5}.check input{width:16px;min-width:16px;margin-top:3px}.hint{font-size:12px;color:#63758a}.notice{background:#fff7e7;border:1px solid #efdcaf;color:#665022;padding:14px 18px;border-radius:8px;line-height:1.6;margin:0 0 20px}
pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f7fa;border:1px solid #e0e6ec;border-radius:6px;padding:16px;font-family:"Cascadia Code","Microsoft YaHei",monospace;font-size:12px;line-height:1.6;max-height:450px;overflow:auto}
#message{background:#fff2f1;color:#942937;border:1px solid #e9bbc0;padding:12px;border-radius:6px;margin-bottom:16px}
.history-row{display:flex;align-items:center;gap:14px;padding:12px 0;border-bottom:1px solid #e6ecf2;flex-wrap:wrap}.history-row span{flex:1;font-size:13px}.download{display:inline-block;margin:12px 14px 0 0;color:#1769b8}footer{text-align:center;color:#6b7e93;font-size:12px;padding:20px}
[hidden]{display:none!important}@media(max-width:820px){.columns{grid-template-columns:1fr}header{padding:24px}h1{font-size:24px}.pair{grid-template-columns:1fr}.card{padding:18px}}