:root{color-scheme:light;--blue:#1557bb;--ink:#172e4b;--muted:#60738b;--paper:#f2f6fc;--line:#d9e3ef;--white:#fff;--error:#a72c2c}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.6 "PingFang SC","Microsoft YaHei",sans-serif}main{width:min(100%,480px);margin:0 auto;padding:28px 24px 26px}header{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);letter-spacing:.08em}.parking{display:grid;place-items:center;background:var(--blue);color:white;font:700 22px/1 Arial,sans-serif;width:30px;height:32px;border-radius:5px}.intro{padding:30px 0 22px}.eyebrow{font-size:13px;color:var(--blue);margin:0 0 10px}h1{font-size:clamp(30px,8.5vw,40px);line-height:1.35;letter-spacing:-.04em;font-weight:750;margin:0}.description{color:var(--muted);font-size:14px;margin:14px 0 0}.plate-wrap{background:var(--white);border:1px solid var(--line);border-left:5px solid var(--blue);padding:12px 18px;display:flex;flex-direction:column;gap:4px;margin-bottom:26px}.plate-wrap>span{font-size:11px;color:var(--muted)}.plate-wrap strong{font-family:"DIN Alternate","Bahnschrift","Microsoft YaHei",sans-serif;font-size:27px;letter-spacing:.08em;overflow-wrap:anywhere}fieldset{border:0;padding:0;margin:0 0 20px;min-width:0}legend,.note-label{font-size:14px;font-weight:600;margin-bottom:10px}.reasons{display:grid;grid-template-columns:1fr 1fr;gap:10px}.reasons label{position:relative;cursor:pointer}.reasons input{position:absolute;opacity:0;width:1px;height:1px}.reasons span{display:block;text-align:center;border:1px solid var(--line);background:var(--white);padding:10px 8px;border-radius:6px;font-size:14px}.reasons input:checked+span{border-color:var(--blue);background:#e7effd;color:var(--blue);box-shadow:inset 0 0 0 1px var(--blue)}.reasons input:focus-visible+span{outline:3px solid var(--blue);outline-offset:3px}.note-label{display:flex;justify-content:space-between;align-items:center}.note-label span{font-size:11px;font-weight:400;color:var(--muted)}textarea{width:100%;border:1px solid var(--line);border-radius:6px;background:var(--white);padding:12px;font:inherit;font-size:16px;resize:vertical;min-height:82px;color:var(--ink)}textarea:focus-visible,button:focus-visible{outline:3px solid var(--blue);outline-offset:3px}textarea::placeholder{color:#7b899a}.privacy{margin:6px 0 22px;font-size:11px;color:var(--muted)}button{width:100%;border:0;background:var(--blue);color:var(--white);padding:16px 18px;display:flex;justify-content:space-between;align-items:center;border-radius:6px;font:600 17px/1.4 "PingFang SC","Microsoft YaHei",sans-serif;cursor:pointer;min-height:58px}button:disabled{background:#6d87aa;cursor:default}#result{margin-top:16px;padding:14px;background:#e5edf9;border-left:3px solid var(--blue);font-size:14px}#result[data-error="true"]{border-color:var(--error);background:#fbecec}#result p{margin:5px 0 0;font-size:12px;color:var(--muted)}footer{text-align:center;color:var(--muted);font-size:11px;margin-top:22px}@media(min-width:600px){main{margin:32px auto;padding:32px 32px 28px;background:var(--paper);border:1px solid var(--line);border-radius:12px}}@media(max-width:340px){main{padding:20px 16px}.note-label{gap:8px;flex-wrap:wrap}}