:root{
  --brand:#2b6cb0; --brand2:#3182ce; --ink:#1a202c; --muted:#718096;
  --line:#e2e8f0; --bg:#f5f7fa; --ok:#2f855a; --err:#c53030; --warn:#b7791f;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.6;padding-bottom:64px}
a{color:var(--brand);text-decoration:none}
.topbar{position:sticky;top:0;z-index:20;background:#fff;border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;padding:12px 14px;min-height:52px}
.topbar h1{font-size:17px;margin:0;font-weight:600;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar .back{font-size:15px;color:var(--muted)}
.wrap{max-width:720px;margin:0 auto;padding:12px}
.card{background:#fff;border-radius:12px;padding:14px;margin-bottom:12px;box-shadow:0 1px 2px rgba(16,42,67,.06)}
.card h2{font-size:15px;margin:0 0 10px;font-weight:600}
.row{display:flex;gap:10px;align-items:center}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.stat{background:#fff;border-radius:12px;padding:12px;text-align:center;box-shadow:0 1px 2px rgba(16,42,67,.06)}
.stat b{display:block;font-size:22px;color:var(--brand)}
.stat span{font-size:12px;color:var(--muted)}
label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=password],input[type=tel],input[type=number],select,textarea{
  width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:15px;
  background:#fff;font-family:inherit;color:var(--ink)}
textarea{min-height:64px;resize:vertical}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:11px 16px;
  border-radius:10px;background:var(--brand);color:#fff;border:0;font-size:15px;cursor:pointer;
  font-family:inherit;font-weight:500}
.btn.block{width:100%;margin-top:12px}
.btn.ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn.gray{background:#edf2f7;color:#4a5568}
.btn:disabled,.btn[disabled]{opacity:.42;cursor:not-allowed;box-shadow:none}
.btn.sm{padding:6px 10px;font-size:13px;border-radius:8px}
.btn.danger{background:#fff;color:var(--err);border:1px solid #feb2b2}
.chip{display:inline-block;padding:3px 9px;border-radius:999px;background:#ebf4ff;color:var(--brand);
  font-size:12px;margin:2px 4px 2px 0}
.chip.gray{background:#edf2f7;color:#4a5568}
.chip.ok{background:#e6fffa;color:var(--ok)}
.chip.warn{background:#fffaf0;color:var(--warn)}
.muted{color:var(--muted);font-size:13px}
.small{font-size:13px}
.flash{padding:10px 12px;border-radius:10px;margin-bottom:10px;font-size:14px}
.flash.ok{background:#e6fffa;color:var(--ok);border:1px solid #b2f5ea}
.flash.err{background:#fff5f5;color:var(--err);border:1px solid #feb2b2}
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:30;background:#fff;border-top:1px solid var(--line);
  display:flex;padding:6px 0 max(6px,env(safe-area-inset-bottom))}
.tabbar a{flex:1;text-align:center;font-size:11px;color:var(--muted);display:flex;flex-direction:column;gap:2px}
.tabbar a.on{color:var(--brand);font-weight:600}
.tabbar .ico{font-size:19px;line-height:1}
.item{border-top:1px solid var(--line);padding:12px 0}
.item:first-child{border-top:0;padding-top:0}
.item .stem{font-size:15px;margin-bottom:6px;word-break:break-word}
.ansline{font-size:13px;color:var(--muted);display:flex;gap:14px;flex-wrap:wrap}
.ansline b{color:var(--ink);font-weight:500}
.pick{display:flex;gap:10px;align-items:flex-start}
.pick input[type=checkbox]{width:20px;height:20px;margin-top:3px;flex:0 0 auto;accent-color:var(--brand)}
.kidtabs{display:flex;gap:8px;overflow-x:auto;padding:2px 0 8px}
.kidtabs a{padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#4a5568;font-size:14px;white-space:nowrap}
.kidtabs a.on{background:var(--brand);color:#fff;border-color:var(--brand)}
.seg{display:flex;background:#edf2f7;border-radius:10px;padding:3px;margin-bottom:10px}
.seg a{flex:1;text-align:center;padding:7px;border-radius:8px;font-size:14px;color:#4a5568}
.seg a.on{background:#fff;color:var(--brand);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.06)}
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:8px}
.photos img{width:100%;border-radius:8px;border:1px solid var(--line)}
.empty{text-align:center;color:var(--muted);padding:36px 10px;font-size:14px}
.spin{width:26px;height:26px;border:3px solid #cbd5e0;border-top-color:var(--brand);border-radius:50%;
  margin:0 auto 10px;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.codewrap{display:flex;gap:8px;align-items:stretch}
.codewrap input{flex:1;min-width:0;letter-spacing:2px;font-size:16px}
.codewrap .btn{min-width:108px;white-space:nowrap;border-radius:10px;font-size:14px}
@media print{
  body{background:#fff;padding:0;font-size:13pt}
  .noprint{display:none!important}
  .wrap{max-width:none;padding:0}
}