:root{color-scheme:light;--paper:#f8f7f3;--ink:#293743;--muted:#60727d;--blue:#6a97b7;--line:#d9dfdf;--amber:#f2812f}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;line-height:1.65}main{max-width:860px;margin:auto;padding:24px 24px 48px}header{display:flex;gap:18px;align-items:baseline;border-bottom:1px solid var(--line);padding:12px 0 22px}.brand{font-size:30px;letter-spacing:2px;color:var(--blue)}header span:last-child{color:var(--muted)}h1{font-size:24px}h2{font-size:20px;font-weight:600}section{padding:16px 0 26px;border-bottom:1px solid var(--line)}label{display:block;margin:14px 0 16px;font-size:14px;color:var(--muted)}input,textarea{display:block;width:100%;margin-top:6px;padding:12px;border:1px solid #c8d2d7;background:#fff;color:var(--ink);border-radius:5px;font:inherit;font-size:16px}textarea{resize:vertical}button{background:var(--blue);color:white;border:1px solid var(--blue);border-radius:5px;padding:10px 16px;min-height:44px;font:inherit;cursor:pointer}button.secondary{color:var(--ink);background:transparent;border-color:#bdcbd4}button:disabled{cursor:default;opacity:.5}.row{display:flex;gap:10px;flex-wrap:wrap}.notice,footer{color:var(--muted);font-size:13px}.section-head{display:flex;align-items:center;justify-content:space-between}.item{padding:14px 0;border-top:1px solid var(--line)}.item p{margin:4px 0}.item small{color:var(--muted);overflow-wrap:anywhere}.item .row{margin-top:10px}#feedback{position:sticky;bottom:12px;padding:12px;background:var(--paper);border-left:3px solid var(--amber);white-space:pre-wrap;overflow-wrap:anywhere}#feedback:empty{display:none}a{color:#426d8a}button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--amber);outline-offset:3px}[hidden]{display:none!important}@media(max-width:520px){main{padding:12px 16px 32px}.row button{flex:1 1 100%}header{padding-bottom:12px}h1{font-size:22px}}
.confirmation{position:fixed;inset:0;z-index:20;background:#29374380;display:grid;place-items:center;padding:24px;border:0}.confirmation-card{width:min(100%,520px);padding:24px;background:var(--paper);border-radius:8px;box-shadow:0 12px 40px #29374340}.confirmation-card p{white-space:pre-wrap;overflow-wrap:anywhere}