/* 韵樵医学计算工具箱 · 共享样式（移动优先） */
:root{
  --brand:#0e7490; --brand-2:#155e75; --brand-3:#0891b2; --accent:#0ea5e9;
  --bg:#f1f5f9; --card:#ffffff; --text:#0f172a; --muted:#64748b;
  --border:#e2e8f0; --line:#eef2f6;
  --ok:#15803d; --ok-bg:#f0fdf4; --warn:#b45309; --warn-bg:#fffbeb; --danger:#b91c1c; --danger-bg:#fef2f2;
  --radius:14px; --shadow:0 1px 2px rgba(15,23,42,.05),0 6px 16px rgba(15,23,42,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--text); font-size:16px; line-height:1.6;
  -webkit-text-size-adjust:100%; padding-bottom:env(safe-area-inset-bottom);
}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{line-height:1.35}
/* ---------- 顶栏 ---------- */
.topbar{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:8px;
  padding:10px 12px;background:linear-gradient(135deg,#0e7490,#0891b2);color:#fff;
  box-shadow:0 2px 10px rgba(8,145,178,.25);min-height:54px;
}
.topbar .back{color:#fff;font-size:18px;line-height:1;text-decoration:none;padding:7px 11px;border-radius:9px;background:rgba(255,255,255,.16);font-weight:600}
.topbar h1{font-size:16.5px;margin:0;font-weight:600;flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar .tag{font-size:11px;font-weight:600;background:rgba(255,255,255,.2);padding:3px 8px;border-radius:20px;white-space:nowrap}
.wrap{max-width:780px;margin:0 auto;padding:14px 13px 46px}
/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px;margin-bottom:12px;box-shadow:var(--shadow)}
.card.tight{padding:12px}
.card h2{font-size:15.5px;margin:0 0 10px;font-weight:700;display:flex;align-items:center;gap:7px}
.card h2 .n{display:inline-flex;width:22px;height:22px;border-radius:7px;background:#e0f2fe;color:var(--brand-2);font-size:12px;align-items:center;justify-content:center;font-weight:700}
.sub{color:var(--muted);font-size:13px;margin:-4px 0 10px}
/* ---------- 首页 ---------- */
.hero{background:linear-gradient(135deg,#0e7490,#0891b2 60%,#22d3ee);color:#fff;border-radius:16px;padding:18px 16px;margin-bottom:14px;box-shadow:0 8px 22px rgba(8,145,178,.28)}
.hero h1{margin:0 0 6px;font-size:21px;font-weight:800;letter-spacing:.3px}
.hero p{margin:0;font-size:13.5px;opacity:.94;line-height:1.55}
.hero .chips{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px}
.hero .chip{font-size:11.5px;background:rgba(255,255,255,.2);padding:3px 9px;border-radius:20px}
.cat{margin:16px 2px 8px;font-size:14px;font-weight:700;color:var(--brand-2);display:flex;align-items:center;gap:7px}
.cat span.ic{font-size:15px}
.grid{display:grid;grid-template-columns:1fr;gap:10px}
@media (min-width:560px){.grid{grid-template-columns:1fr 1fr}}
.tile{display:block;background:#fff;border:1px solid var(--border);border-radius:13px;padding:12px 13px;box-shadow:var(--shadow);transition:transform .12s ease,box-shadow .12s ease}
.tile:active{transform:scale(.985)}
.tile .t{font-size:15px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.tile .d{font-size:12.5px;color:var(--muted);margin-top:3px;line-height:1.5}
.badge{font-size:10.5px;font-weight:700;padding:2px 7px;border-radius:20px;background:#e0f2fe;color:#0369a1;white-space:nowrap}
.badge.g{background:var(--ok-bg);color:var(--ok)}
.badge.o{background:var(--warn-bg);color:var(--warn)}
/* ---------- 表单 ---------- */
.field{margin-bottom:11px}
.field:last-child{margin-bottom:0}
label{display:block;font-size:13.5px;font-weight:600;color:#334155;margin-bottom:5px}
label .hint{font-weight:400;color:var(--muted);font-size:12px}
input[type=number],input[type=text],select{
  width:100%;min-height:48px;padding:11px 12px;font-size:16px;color:var(--text);
  background:#fff;border:1.5px solid #d7e0e8;border-radius:11px;outline:none;appearance:none;
  font-family:inherit;transition:border-color .15s,box-shadow .15s;
}
select{background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 12px center;padding-right:36px}
input:focus,select:focus{border-color:var(--brand-3);box-shadow:0 0 0 3px rgba(8,145,178,.14)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.row3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}
.seg{display:flex;gap:8px}
.seg label{flex:1;margin:0;font-weight:600}
.seg input{position:absolute;opacity:0;width:0;height:0}
.seg span{display:flex;align-items:center;justify-content:center;min-height:48px;border:1.5px solid #d7e0e8;border-radius:11px;font-size:15px;background:#fff;font-weight:600;color:#475569;cursor:pointer}
.seg input:checked+span{border-color:var(--brand-3);background:#e0f2fe;color:var(--brand-2);box-shadow:0 0 0 3px rgba(8,145,178,.12)}
.btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:50px;border:none;border-radius:12px;
  font-size:16px;font-weight:700;font-family:inherit;cursor:pointer;transition:filter .12s;margin-top:4px}
.btn.primary{background:linear-gradient(135deg,#0e7490,#0891b2);color:#fff;box-shadow:0 4px 12px rgba(8,145,178,.3)}
.btn.primary:active{filter:brightness(.94)}
.btn.ghost{background:#fff;color:var(--brand-2);border:1.5px solid #cbd5e1;min-height:44px;font-size:14.5px}
.btnrow{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:10px}
.err{color:var(--danger);font-size:12.5px;margin-top:6px;display:none}
.err.show{display:block}
/* ---------- 结果 ---------- */
.result{display:none;border:1.5px solid #bae6fd;background:linear-gradient(180deg,#f0f9ff,#fff)}
.result.show{display:block}
.big{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:2px 0 8px}
.big .v{font-size:34px;font-weight:800;color:var(--brand-2);letter-spacing:-.5px;line-height:1.1}
.big .u{font-size:14px;color:var(--muted);font-weight:600}
.kv{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.kv:last-child{border-bottom:none}
.kv .k{color:var(--muted)}
.kv .v2{font-weight:700;text-align:right}
.tagbox{display:inline-block;font-size:13px;font-weight:700;padding:5px 11px;border-radius:9px;margin:6px 0 2px}
.tagbox.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bbf7d0}
.tagbox.warn{background:var(--warn-bg);color:var(--warn);border:1px solid #fde68a}
.tagbox.bad{background:var(--danger-bg);color:var(--danger);border:1px solid #fecaca}
.alert{font-size:13px;padding:9px 11px;border-radius:10px;margin-top:8px;line-height:1.5}
.alert.warn{background:var(--warn-bg);color:#7c2d12;border:1px solid #fde68a}
.alert.bad{background:var(--danger-bg);color:#7f1d1d;border:1px solid #fecaca}
.alert.info{background:#f0f9ff;color:#075985;border:1px solid #bae6fd}
/* ---------- 表格 ---------- */
.tblwrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--border);border-radius:11px}
table.tbl{border-collapse:collapse;width:100%;font-size:13.5px;min-width:420px;background:#fff}
table.tbl th,table.tbl td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
table.tbl th{background:#f8fafc;font-weight:700;color:#334155;font-size:12.5px;position:sticky;top:0}
table.tbl tr:last-child td{border-bottom:none}
table.tbl td.cur{background:#e0f2fe;font-weight:700;color:var(--brand-2)}
/* ---------- 公式 / 说明 ---------- */
.formula{background:#0f172a;color:#e2e8f0;border-radius:11px;padding:11px 12px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:12.8px;line-height:1.75;overflow-x:auto;white-space:pre-wrap;word-break:break-word}
.formula .cm{color:#7dd3fc}
.note{font-size:13px;color:#475569;line-height:1.65}
.note ul{padding-left:19px;margin:6px 0}
.note li{margin:4px 0}
.note b{color:var(--text)}
.src{font-size:11.8px;color:var(--muted);line-height:1.6;margin-top:8px;padding-top:8px;border-top:1px dashed var(--line)}
.disclaimer{font-size:11.8px;color:var(--muted);background:#fff;border:1px dashed #cbd5e1;border-radius:11px;padding:11px;line-height:1.65}
.footer{text-align:center;font-size:12px;color:var(--muted);padding:18px 10px 30px;line-height:1.7}
.collapse{border:1px solid var(--border);border-radius:11px;overflow:hidden;margin-top:10px}
.collapse summary{cursor:pointer;padding:10px 12px;font-size:13.5px;font-weight:600;color:var(--brand-2);background:#f8fafc;list-style:none}
.collapse summary::-webkit-details-marker{display:none}
.collapse summary::after{content:"▾";float:right;color:var(--muted)}
.collapse[open] summary::after{content:"▴"}
.collapse .inner{padding:11px 12px;font-size:13px;line-height:1.65}
.remove{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:8px;border:1px solid #fecaca;background:#fff;color:var(--danger);font-size:15px;cursor:pointer;flex:none}
.dynrow{display:grid;grid-template-columns:1.4fr 1fr .9fr 34px;gap:7px;align-items:center;margin-bottom:8px}
.dynrow select,.dynrow input{min-height:44px;padding:8px 9px;font-size:14px}
@media (max-width:400px){.dynrow{grid-template-columns:1fr 1fr;}}
.copybtn{background:#fff;border:1.5px solid #cbd5e1;color:var(--brand-2);border-radius:9px;padding:6px 12px;font-size:13px;font-weight:600;font-family:inherit;cursor:pointer}
.mono{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:13px}