/* 移动端优先；首屏预算：导航44 / H1紧凑 / 胶囊28 / 答案卡 / 人话句 / 下一步条，iPhone SE 不滚动见答案 */
:root{
  --ink:#14213d; --muted:#5a6a85; --accent:#0b6e4f; --accent-ink:#ffffff;
  --card:#f2f6f3; --line:#d9e2dc; --warn:#8a5a00; --bg:#ffffff;
  --up:#0b6e4f; --down:#9d2c2c;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  -webkit-text-size-adjust:100%;overflow-x:hidden}
a{color:#0b5394}
header.site{height:44px;display:flex;align-items:center;gap:12px;padding:0 12px;border-bottom:1px solid var(--line)}
header.site .brand{font-weight:800;color:var(--accent);text-decoration:none;font-size:20px;white-space:nowrap;letter-spacing:-0.2px}
header.site nav{margin-left:auto;display:flex;gap:14px;font-size:14px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
header.site nav::-webkit-scrollbar{display:none}
header.site nav a{color:var(--muted);text-decoration:none}
main{max-width:860px;margin:0 auto;padding:18px 14px 40px}
h1{font-size:24px;line-height:1.2;margin:6px 0 8px}
h2{font-size:19px;margin:26px 0 8px}
h3{font-size:16px;margin:18px 0 6px}
p{line-height:1.55}
.capsule{display:flex;flex-wrap:wrap;gap:6px;align-items:flex-start;min-height:28px;max-width:100%;overflow-wrap:anywhere;
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:9px 12px;font-size:12px;color:var(--muted);line-height:1.45}
.capsule .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;margin-top:4px;flex:0 0 auto}
.capsule a{font-size:12px}
.answer-card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.answer-card .big{font-size:38px;font-weight:800;letter-spacing:-0.5px;line-height:1.1}
.answer-card .pct{font-size:17px;font-weight:600}
.up{color:var(--up)} .down{color:var(--down)}
.human{font-size:16px;line-height:1.5;margin:8px 0 4px}
.next-bar{margin:12px 0 4px}
.next-bar .lbl{font-size:13px;color:var(--muted);display:block;margin-bottom:6px}
.chips{display:flex;flex-wrap:wrap;gap:8px;padding-bottom:4px}
.chip{flex:0 1 auto;background:#fff;border:1px solid var(--accent);color:var(--accent);
  border-radius:999px;padding:8px 12px;font-size:14px;text-decoration:none;min-height:40px;display:inline-flex;align-items:center;max-width:100%}
@media (max-width:640px){
  header.site{flex-wrap:wrap;height:auto;min-height:44px;padding-top:8px;padding-bottom:8px;row-gap:6px}
  header.site nav{margin-left:0;flex-wrap:wrap;white-space:normal;overflow:visible}
}
.calc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:14px 0}
.calc label{display:block;font-size:13px;color:var(--muted);margin:10px 0 4px}
.calc input,.calc select{width:100%;font-size:17px;padding:10px;border:1px solid var(--line);border-radius:8px;min-height:44px}
.calc .row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
@media (max-width:560px){.calc .row{grid-template-columns:1fr}}
button.act,.act-btn{background:var(--accent);color:var(--accent-ink);border:none;border-radius:8px;
  padding:10px 14px;font-size:15px;min-height:44px;cursor:pointer}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.actions button{background:#fff;border:1px solid var(--line);border-radius:8px;padding:9px 12px;font-size:14px;min-height:40px;cursor:pointer}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:10px 0}
table{border-collapse:collapse;width:100%;font-size:14px}
th,td{border-bottom:1px solid var(--line);padding:7px 8px;text-align:right;font-variant-numeric:tabular-nums}
th:first-child,td:first-child{text-align:left}
thead th{color:var(--muted);font-weight:600}
details.verify{border:1px dashed var(--line);border-radius:10px;padding:10px 14px;margin:12px 0}
details.verify summary{cursor:pointer;font-weight:600;font-size:15px}
.small{font-size:13px;color:var(--muted)}
main>nav.small{display:flex;flex-wrap:wrap;gap:2px 8px;align-items:center;font-size:15px;line-height:1.5;padding:2px 0 10px}
main>nav.small a{padding:8px 2px;margin:-8px 0}
ul.facts li{margin:5px 0;line-height:1.5}
footer.site{border-top:1px solid var(--line);padding:18px 14px 30px;color:var(--muted);font-size:13px}
footer.site .wrap{max-width:860px;margin:0 auto}
footer.site a{color:var(--muted)}
.toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);background:var(--ink);color:#fff;
  padding:9px 16px;border-radius:999px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s;z-index:50}
.toast.show{opacity:1}
.err{background:#fdf3e3;border:1px solid #e8c87a;border-radius:8px;padding:10px 12px;font-size:14px}
textarea.cite{width:100%;min-height:110px;font-size:13px;padding:8px;border:1px solid var(--line);border-radius:8px}
.tabs{display:flex;gap:6px;margin:8px 0}
.tabs button{border:1px solid var(--line);background:#fff;border-radius:999px;padding:6px 12px;font-size:13px;cursor:pointer;min-height:36px}
.tabs button.on{background:var(--ink);color:#fff}