:root{color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#1d1d1f;background:#f5f5f7}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-content:center;padding:32px 20px;gap:28px}main{width:min(460px,calc(100vw - 40px));padding:40px;background:#fff;border:1px solid #e8e8ed;border-radius:28px}.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-size:16px;font-weight:600}.brand img{object-fit:contain}h1{font-size:30px;line-height:1.25;letter-spacing:-.025em;margin:32px 0 14px}.intro{margin:0 0 28px;color:#6e6e73;font-size:16px;line-height:1.6}label{display:block;font-size:14px;margin-bottom:8px}input{width:100%;min-height:48px;padding:10px 14px;border:1px solid #d2d2d7;border-radius:12px;font:inherit;font-size:17px}button{margin-top:18px;width:100%;min-height:48px;border:0;border-radius:980px;background:#fce47c;color:#1d1d1f;font:inherit;font-weight:600;cursor:pointer}button:hover{background:#f8da60}button:disabled{opacity:.6;cursor:wait}:focus-visible{outline:2px solid #957000;outline-offset:3px}#notice{color:#a52a24;font-size:14px;line-height:1.5;margin:12px 0 0}.hint{font-size:14px;color:#6e6e73;line-height:1.6;margin:24px 0 18px}.back{font-size:14px;color:#775900;text-decoration:none}footer{text-align:center;color:#6e6e73;font-size:12px;line-height:1.5}@media(max-width:480px){main{padding:28px}h1{font-size:27px}}

.contact-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid #e8e8ed}.contact-row p{font-size:14px;line-height:1.7;margin:0;color:#6e6e73}.contact-row strong{color:#1d1d1f;font-weight:600}.contact-qr{position:relative;flex:0 0 60px}.contact-qr .qr-toggle{display:block;margin:0;padding:0;width:60px;min-height:0;cursor:zoom-in;border:1px solid #e8e8ed;border-radius:8px;background:#fff}.contact-qr .qr-toggle::-webkit-details-marker{display:none}.contact-qr .qr-toggle img{display:block;width:58px;height:58px;border-radius:8px}.qr-enlarged{display:none;position:absolute;right:0;bottom:calc(100% + 8px);z-index:10;width:min(300px,calc(100vw - 88px));padding:10px;background:#fff;border:1px solid #e8e8ed;border-radius:14px;box-shadow:0 12px 40px #0002;text-align:center}.qr-enlarged img{display:block;width:100%;height:auto}.qr-enlarged span{display:block;font-size:13px;color:#6e6e73;padding:2px 0 4px}.contact-qr[data-open="true"] .qr-enlarged{display:block}