:root{
  --bg:#edf1f7; --card:#fff; --line:#e3e8f0; --text:#1a2333; --muted:#64748b;
  --primary:#185fa5; --primary-d:#0e4377; --primary-soft:#e8f1fa;
  --ok:#1a7f37; --alarm:#b91c1c; --amber:#b45309;
  --shadow:0 1px 3px rgba(20,40,80,.06),0 1px 2px rgba(20,40,80,.04);
  --shadow-lg:0 4px 16px rgba(20,40,80,.10);
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;line-height:1.55}
button{font-family:inherit}
.center{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(160deg,#12395f 0%,#185fa5 55%,#2c7cc0 100%)}
/* ---------- 顶栏 ---------- */
.topbar{display:flex;justify-content:space-between;align-items:center;padding:12px 22px;background:linear-gradient(90deg,#12395f,#185fa5 60%,#1d6cb8);color:#fff}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:16px;letter-spacing:.3px}
.brand .logo{width:30px;height:30px;border-radius:8px;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center;font-size:16px;border:1px solid rgba(255,255,255,.25)}
.brand small{font-weight:400;font-size:12px;opacity:.75;margin-left:2px}
.userbox{display:flex;align-items:center;gap:10px;color:#eaf1fa;font-size:13px}
.userbox button.ghost{color:#eaf1fa;border-color:rgba(255,255,255,.35);background:rgba(255,255,255,.06)}
.userbox button.ghost:hover{background:rgba(255,255,255,.15)}
.tag{font-size:12px;background:var(--primary-soft);color:var(--primary);padding:1px 8px;border-radius:10px;margin-left:6px;white-space:nowrap}
.tag.ok{background:#e6f4ea;color:var(--ok)}
/* ---------- 导航 ---------- */
.nav{display:flex;gap:4px;padding:8px 16px;background:var(--card);border-bottom:1px solid var(--line);flex-wrap:wrap;position:sticky;top:0;z-index:20;box-shadow:var(--shadow)}
.nav button{background:none;border:none;padding:7px 13px;cursor:pointer;border-radius:8px;color:var(--muted);font-size:13.5px;display:flex;align-items:center;gap:5px;transition:background .15s,color .15s}
.nav button:hover{background:#f1f5fa;color:var(--text)}
.nav button.active{background:var(--primary);color:#fff;font-weight:600}
.nav button .ni{font-size:14px}
main{padding:20px;max-width:1160px;margin:0 auto}
.tab.hidden{display:none}
.hidden{display:none !important}
h3{margin:4px 0 14px;font-size:16px}
h4{margin:0 0 10px;font-size:14px}
/* ---------- 卡片 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin:10px 0;box-shadow:var(--shadow)}
.login-card{width:340px;text-align:center;padding:28px 30px;border-radius:14px}
.login-card h1{font-size:20px;margin:6px 0 14px;letter-spacing:.5px}
.login-card input{display:block;width:100%;margin:8px 0;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px}
.login-card input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,95,165,.12)}
/* ---------- 按钮 ---------- */
button{background:var(--primary);color:#fff;border:none;padding:9px 16px;border-radius:8px;cursor:pointer;font-size:13.5px;transition:background .15s,transform .05s}
button:hover{background:var(--primary-d)}
button:active{transform:translateY(1px)}
button.ghost{background:#fff;color:var(--muted);border:1px solid var(--line)}
button.ghost:hover{color:var(--text);border-color:#c9d4e2;background:#f7f9fc}
button.del{color:var(--alarm);border-color:#f0c9c4}
button.del:hover{background:var(--alarm);color:#fff;border-color:var(--alarm)}
button.primary{background:var(--primary)}
button.ok{background:var(--ok)}
button.ok:hover{background:#14682d}
button:disabled{opacity:.5;cursor:not-allowed}
/* ---------- 表单 ---------- */
.row{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;align-items:center}
.row input,.row select,.row button{padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13.5px}
.row input:focus,.row select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,95,165,.10)}
.row input.q{flex:1;min-width:240px;max-width:480px;background:#fbfcfe}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px 12px;margin-bottom:4px}
.fld{display:flex;flex-direction:column;gap:4px}
.fld label{font-size:12px;color:var(--muted)}
.fld input,.fld select{padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:13.5px;background:#fbfcfe;width:100%}
.fld input:focus,.fld select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(24,95,165,.10);background:#fff}
.fld .hint{font-size:11px;color:#94a3b8}
.fld.btns{display:flex;flex-direction:row;align-items:flex-end;gap:8px}
.fld.btns button{white-space:nowrap}
/* ---------- 表格 ---------- */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow)}
table{width:100%;border-collapse:collapse;background:var(--card)}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);font-size:13px;white-space:nowrap}
th{background:#f6f8fc;color:var(--muted);font-weight:600;font-size:12.5px;letter-spacing:.2px}
tbody tr:nth-child(even){background:#fafbfe}
tbody tr:hover{background:#f1f6fc}
th.num,td.num{text-align:right;font-variant-numeric:tabular-nums}
td.num .small{display:block;text-align:right}
/* ---------- 统计卡 ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px;margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-left:4px solid var(--primary);border-radius:var(--radius);padding:14px 18px;box-shadow:var(--shadow);position:relative}
.stat b{display:block;font-size:24px;font-variant-numeric:tabular-nums;margin-top:4px}
.stat span{color:var(--muted);font-size:12px}
.stat .ic{position:absolute;top:12px;right:14px;font-size:20px;opacity:.85}
.stat.alarm{border-left-color:var(--alarm)}
.stat.alarm b{color:var(--alarm)}
.stat.gain{border-left-color:#c62828}
.stat.gain b{color:#c62828}
.stat.loss{border-left-color:#1b8a4b}
.stat.loss b{color:#1b8a4b}
/* ---------- 提醒 ---------- */
.alert{border-left:4px solid var(--primary);background:var(--card);padding:11px 14px;margin:8px 0;border-radius:8px;font-size:13px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:8px;box-shadow:var(--shadow)}
.alert.warning{border-left-color:var(--amber)}
.alert.danger{border-left-color:var(--alarm)}
.alert.read{opacity:.5}
.alert .t{color:var(--muted);font-size:12px;margin-left:auto;white-space:nowrap}
.alert .ai{font-size:15px;flex:0 0 auto}
/* ---------- 其他 ---------- */
.muted{color:var(--muted)}.small{font-size:12px}.err{color:var(--alarm)}
.ok{color:var(--ok)}
.clink{color:var(--primary);text-decoration:none;cursor:pointer;font-weight:600}
.clink:hover{text-decoration:underline}
/* 涨红跌绿（A股习惯） */
.up{color:#c62828;font-weight:600}
.down{color:#1b8a4b;font-weight:600}
/* 状态/类型小标签 */
.pill{display:inline-block;padding:2px 10px;border-radius:12px;font-size:12px;background:#eef2f7;color:var(--muted);white-space:nowrap}
.pill.blue{background:var(--primary-soft);color:var(--primary)}
.pill.green{background:#e6f4ea;color:var(--ok)}
.pill.red{background:#fdecea;color:var(--alarm)}
.pill.amber{background:#fdf3e3;color:var(--amber)}
/* 空状态 */
.empty{text-align:center;padding:34px 10px;color:var(--muted)}
.empty .ei{font-size:30px;display:block;margin-bottom:8px;opacity:.8}
.empty .et{font-size:13px}
/* 语音按钮 */
.mic-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;font-size:15px;border-radius:12px;background:var(--primary);color:#fff;border:none;cursor:pointer}
.mic-btn:hover{background:var(--primary-d)}
.mic-btn.off{background:#eef2f7;color:var(--muted);cursor:not-allowed}
@media (max-width:760px){
  main{padding:12px}
  .row input.q{max-width:none}
  .form-grid{grid-template-columns:1fr}
  th,td{padding:8px 8px}
}