:root{
  --bg:#FBFCFB; --surface:#FFFFFF; --ink:#1C2B2A; --muted:#566663;
  --jade:#2F6B5E; --jade-soft:#E6F0EC; --gold:#A87C2A; --line:#D5DED9;
  --warn-bg:#FBF3E4; --warn-ink:#6B4E14;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#121A19; --surface:#18221F; --ink:#E4ECE9; --muted:#9FB0AB;
    --jade:#7CC0AE; --jade-soft:#1F302C; --gold:#D9B26A; --line:#2C3B37;
    --warn-bg:#2B2416; --warn-ink:#E8CF98; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#121A19; --surface:#18221F; --ink:#E4ECE9; --muted:#9FB0AB;
  --jade:#7CC0AE; --jade-soft:#1F302C; --gold:#D9B26A; --line:#2C3B37;
  --warn-bg:#2B2416; --warn-ink:#E8CF98; color-scheme:dark;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:18px;line-height:1.8}
h1,h2,h3{font-family:"Noto Serif SC","Songti SC","STSong",serif;font-weight:700;line-height:1.35;color:var(--ink)}
h1{font-size:clamp(1.9rem,5vw,2.8rem);margin:.2em 0 .5em;letter-spacing:.02em}
h2{font-size:1.5rem;margin:2.2em 0 .6em}
h3{font-size:1.15rem;margin:1.6em 0 .4em}
p,li{max-width:36em}
a{color:var(--jade);text-underline-offset:3px}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.wrap{max-width:62rem;margin:0 auto;padding:0 1.25rem}
.narrow{max-width:44rem}
header.site{border-bottom:1px solid var(--line);background:var(--surface)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:baseline;gap:.4rem 1.5rem;padding-top:1rem;padding-bottom:.8rem}
.brand{font-family:"Noto Serif SC",serif;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand small{display:block;font-family:inherit;font-weight:400;font-size:.72rem;color:var(--muted);letter-spacing:.04em}
nav.main{display:flex;gap:1.1rem;overflow-x:auto;font-size:.95rem;white-space:nowrap;padding-bottom:.2rem}
nav.main a{color:var(--muted);text-decoration:none;padding:.2rem 0;border-bottom:2px solid transparent}
nav.main a[aria-current="page"],nav.main a:hover{color:var(--jade);border-color:var(--jade)}
main{padding:2.5rem 0 4rem}
.lead{font-size:1.1rem;color:var(--muted)}
.btns{display:flex;flex-wrap:wrap;gap:.8rem;margin:1.6rem 0}
.btn{display:inline-block;padding:.7rem 1.3rem;border-radius:6px;text-decoration:none;font-weight:600;border:2px solid var(--jade);font-size:1rem;cursor:pointer;font-family:inherit}
.btn.primary{background:var(--jade);color:var(--bg)}
.btn.ghost{background:transparent;color:var(--jade)}
/* 就医路线：像地铁线一样的纵向站点 */
.route{list-style:none;padding:0;margin:2rem 0;position:relative;max-width:40rem}
.route::before{content:"";position:absolute;left:1.05rem;top:.6rem;bottom:.6rem;width:6px;border-radius:3px;background:var(--jade)}
.route li{position:relative;padding:0 0 1.8rem 3.6rem;max-width:none}
.route li:last-child{padding-bottom:0}
.route .stop{position:absolute;left:0;top:.1rem;width:2.3rem;height:2.3rem;border-radius:50%;background:var(--surface);border:5px solid var(--jade);display:grid;place-items:center;font-weight:700;font-size:.9rem;color:var(--jade)}
.route h3{margin:0 0 .2rem;font-size:1.15rem}
.route p{margin:0;color:var(--muted)}
.note{background:var(--warn-bg);color:var(--warn-ink);border-left:4px solid var(--gold);padding:1rem 1.2rem;border-radius:0 6px 6px 0;margin:1.5rem 0}
.note p{margin:.3rem 0}
.box{background:var(--jade-soft);padding:1.2rem 1.4rem;border-radius:8px;margin:1.5rem 0}
.box ul{margin:.4rem 0;padding-left:1.2rem}
.tablewrap{overflow-x:auto;margin:1.2rem 0;border:1px solid var(--line);border-radius:8px}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:var(--surface)}
th,td{text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--jade-soft);font-weight:600;white-space:nowrap}
tr:last-child td{border-bottom:0}
details{border-bottom:1px solid var(--line);padding:.9rem 0}
summary{cursor:pointer;font-weight:600;font-size:1.05rem}
details p{margin:.6rem 0 0}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.85rem;padding:2rem 0 3rem}
footer.site p{margin:.3rem 0;max-width:none}
/* 自测 */
.q{border-bottom:1px solid var(--line);padding:1rem 0}
.q p{margin:0 0 .5rem;font-weight:600}
.scale{display:flex;flex-wrap:wrap;gap:.4rem}
.scale label{display:flex;align-items:center;gap:.3rem;border:1px solid var(--line);border-radius:6px;padding:.35rem .7rem;font-size:.92rem;cursor:pointer;background:var(--surface)}
.scale input{accent-color:var(--jade)}
.scale label:has(input:checked){border-color:var(--jade);background:var(--jade-soft)}
.progress{position:sticky;top:0;background:var(--bg);padding:.6rem 0;font-size:.9rem;color:var(--muted);z-index:2;border-bottom:1px solid var(--line)}
#result{margin-top:2rem}
.bar{display:grid;grid-template-columns:4.5rem 1fr 3rem;align-items:center;gap:.6rem;margin:.35rem 0;font-size:.95rem}
.bar .track{height:12px;background:var(--jade-soft);border-radius:6px;overflow:hidden}
.bar .fill{height:100%;background:var(--jade)}
.bar.hi .fill{background:var(--gold)}
.err{color:#B3261E;font-weight:600}
@media (max-width:600px){body{font-size:17px} .route li{padding-left:3.2rem}}
@media (prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}