:root{color-scheme:light;--ink:#243934;--paper:#f4f1e8;--muted:#6e766e;--line:#d8d8ca;--accent:#d9ef9a}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:"PingFang SC","Hiragino Sans GB",sans-serif;line-height:1.6}main{width:min(100% - 48px,470px);margin:10vh auto 4vh}header{display:flex;align-items:center;justify-content:space-between}.brand{font-family:"Songti SC",serif;font-size:30px;font-weight:700;letter-spacing:3px}.mode{font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:3px 12px}.rule{height:1px;background:var(--line);margin:22px 0 46px}.eyebrow{font-size:12px;letter-spacing:3px;color:var(--muted)}h1{font-family:"Songti SC",serif;font-size:34px;font-weight:600;line-height:1.3;margin:14px 0}.intro{color:var(--muted);font-size:15px;margin-bottom:30px}label{display:block;font-size:13px;margin:18px 0 7px}input{width:100%;border:1px solid var(--line);border-radius:10px;padding:13px 15px;background:#fffdf8;color:var(--ink);font:inherit;outline-offset:3px}input:focus-visible,button:focus-visible{outline:2px solid #3e6a43}button{width:100%;cursor:pointer;background:var(--ink);color:#f7f6eb;border:0;border-radius:10px;padding:14px 18px;font:inherit;font-size:15px;margin-top:25px;display:flex;justify-content:space-between;align-items:center}button:hover{background:#365348}button:disabled{opacity:.6;cursor:wait}.secondary{background:transparent;color:var(--ink);border:1px solid var(--line);justify-content:center;margin-top:12px}.secondary:hover{background:#e7e7da}ul{list-style:none;padding:0;margin:0;border-top:1px solid var(--line)}li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}li:before{content:"✓";padding-right:12px;color:#477047}.note{color:var(--muted);font-size:12px;margin:20px 0}#message{color:#975137;font-size:13px;min-height:22px}footer{margin-top:44px;color:var(--muted);font-size:11px;letter-spacing:1px}body[aria-busy=true] button{pointer-events:none;opacity:.65}[hidden]{display:none!important}@media(max-width:500px){main{margin-top:7vh}h1{font-size:30px}.rule{margin-bottom:32px}}