:root{
  --navy:#1f3864; --navy-dark:#182b4e; --blue:#2e75b6; --bg:#f4f6fa;
  --line:#e1e5eb; --text:#333; --muted:#788291; --ok:#1e7b45; --warn:#a35b00; --danger:#b42318;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;font:14px/1.55 -apple-system,"Segoe UI","Microsoft YaHei",sans-serif;color:var(--text);background:var(--bg)}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
a{color:var(--blue);text-decoration:none}
a:hover{text-decoration:underline}

/* ---------- 布局 ---------- */
.app{display:flex;height:100vh;overflow:hidden}
.side{width:210px;flex:none;background:var(--navy);color:#d7e1f0;display:flex;flex-direction:column}
.logo{padding:20px 22px 16px;background:var(--navy-dark)}
.logo b{display:block;font-size:18px;color:#fff;letter-spacing:.5px}
.logo span{font-size:11.5px;color:#96afd2}
.nav{flex:1;overflow:auto;padding:8px 0}
.nav a{display:block;padding:11px 22px;color:#d7e1f0;font-size:14px;border-left:3px solid transparent}
.nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.nav a.on{background:var(--blue);color:#fff;border-left-color:#9cc3ea}
.nav .grp{padding:14px 22px 6px;font-size:11px;color:#7d93b6;letter-spacing:1px}
.side .foot{padding:12px 18px;font-size:11px;color:#7d93b6;border-top:1px solid rgba(255,255,255,.08)}
.main{flex:1;display:flex;flex-direction:column;min-width:0}
.header{height:64px;flex:none;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:12px}
.header h1{font-size:16px;margin:0;color:var(--navy)}
.header .sub{font-size:12px;color:var(--muted)}
.header .spacer{flex:1}
.userbox{font-size:13px;color:var(--muted);display:flex;align-items:center;gap:10px}
.avatar{width:30px;height:30px;border-radius:50%;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
.view{flex:1;overflow:auto;padding:18px 20px 60px}

/* ---------- 通用 ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:14px}
.card h3{margin:0 0 10px;font-size:14px;color:var(--navy)}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px;margin-bottom:14px}
.stat{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.stat b{display:block;font-size:24px;color:var(--navy);line-height:1.15}
.stat span{font-size:12px;color:var(--muted)}
.stat em{display:block;font-size:11px;color:var(--muted);font-style:normal;margin-top:2px}
.bar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;margin-bottom:12px}
.bar input[type=search],.bar input[type=text]{flex:1;min-width:200px}
.bar .count{font-size:12px;color:var(--muted);margin-left:4px}
input,select,textarea{padding:7px 10px;border:1px solid #d6d9de;border-radius:7px;background:#fff;color:var(--text);outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(46,117,182,.12)}
button.primary{background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:7px;padding:7px 14px}
button.primary:hover{background:#2868a3}
button.ghost{background:#fff;color:var(--text);border:1px solid #d6d9de;border-radius:7px;padding:7px 14px}
button.ghost:hover{border-color:var(--blue);color:var(--blue)}
button.mini{padding:4px 9px;font-size:12px;border-radius:6px}
button.danger{color:var(--danger);border-color:#f0c7c3}
button:disabled{opacity:.5;cursor:not-allowed}
table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden}
th{background:#eef3fa;text-align:left;font-weight:600;font-size:12px;color:var(--navy);padding:9px 10px;border-bottom:1px solid var(--line);white-space:nowrap;position:sticky;top:0;z-index:1}
td{padding:8px 10px;border-bottom:1px solid #f0f1f3;vertical-align:middle}
tbody tr:hover td{background:#f8fafc}
tbody tr.sel td{background:#e9f1fb}
.mini{font-size:12px;color:var(--muted)}
.num{text-align:right;font-variant-numeric:tabular-nums}
.thumb{width:52px;height:52px;object-fit:contain;background:#fff;border:1px solid #eee;border-radius:6px}
.big{width:100%;max-width:300px;border:1px solid #eee;border-radius:10px;background:#fff}
.tag{display:inline-block;padding:1px 8px;border-radius:20px;font-size:11px;background:#eef2f7;color:#33507a;white-space:nowrap}
.tag.ok{background:#e8f5ec;color:var(--ok)}
.tag.warn{background:#fff4e5;color:var(--warn)}
.tag.bad{background:#fdecea;color:var(--danger)}
.tag.off{background:#f0f2f5;color:#8a9aab}
.pager{display:flex;gap:10px;align-items:center;margin-top:12px}
.pager button{padding:5px 12px}
.kv{display:grid;grid-template-columns:110px 1fr;gap:7px 12px;font-size:13px}
.kv .k{color:var(--muted)}
.grid2{display:grid;grid-template-columns:300px 1fr;gap:16px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:12px}
.tabs button{background:#fff;color:var(--navy);border:1px solid var(--line);border-radius:20px;padding:5px 14px;font-size:13px}
.tabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.empty{padding:40px;text-align:center;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:10px}
.err{color:var(--danger);font-size:13px}

/* ---------- 弹窗 ---------- */
.mask{position:fixed;inset:0;background:rgba(20,30,45,.45);display:flex;align-items:flex-start;justify-content:center;z-index:50;padding:40px 16px;overflow:auto}
.dlg{background:#fff;border-radius:12px;width:720px;max-width:100%;box-shadow:0 20px 60px rgba(0,0,0,.25)}
.dlg.wide{width:900px}
.dlg.slim{width:460px}
.dlg header{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line)}
.dlg header b{font-size:15px;color:var(--navy)}
.dlg header .x{margin-left:auto;border:0;background:none;font-size:20px;color:var(--muted);line-height:1}
.dlg .body{padding:16px 18px}
.dlg footer{display:flex;gap:10px;justify-content:flex-end;padding:12px 18px;border-top:1px solid var(--line);background:#fbfcfd;border-radius:0 0 12px 12px}
.form{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.form .f{display:flex;flex-direction:column;gap:4px}
.form .f.full{grid-column:1/-1}
.form label{font-size:12px;color:var(--muted)}
.form .f input,.form .f select,.form .f textarea{width:100%}
.form .hint{font-size:11px;color:var(--muted)}
.calcbox{background:#f6f9fe;border:1px solid #dce6f4;border-radius:8px;padding:12px 14px;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px;font-size:13px}
.calcbox b{color:var(--navy)}

/* ---------- 登录 ---------- */
.login{position:fixed;inset:0;background:linear-gradient(135deg,#1f3864,#2e75b6);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}
.login .box{background:#fff;border-radius:14px;padding:28px 30px;width:360px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login h2{margin:0 0 4px;font-size:20px;color:var(--navy)}
.login p{margin:0 0 20px;font-size:12px;color:var(--muted)}
.login .f{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.login label{font-size:12px;color:var(--muted)}
.login input{width:100%}
.login button{width:100%;padding:10px;font-size:14px}
.login .err{margin-top:10px;min-height:18px}

/* ---------- 移动端 ---------- */
@media (max-width:820px){
  .app{flex-direction:column}
  .side{width:100%;flex:none}
  .logo{padding:12px 16px}
  .nav{display:flex;overflow-x:auto;padding:0}
  .nav a{padding:10px 14px;white-space:nowrap;border-left:0;border-bottom:3px solid transparent}
  .nav a.on{border-left:0;border-bottom-color:#9cc3ea}
  .nav .grp,.side .foot{display:none}
  .header{height:auto;padding:10px 14px;flex-wrap:wrap}
  .header .sub{display:none}
  .view{padding:12px}
  .grid2{grid-template-columns:1fr}
  .form{grid-template-columns:1fr}
  .calcbox{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}
  th,td{padding:6px 7px;font-size:12.5px}
  .hide-sm{display:none}
}

/* ---------- 客户 CRM ---------- */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px;margin-bottom:14px}
.cards .card{margin:0;padding:12px 14px}
.cards .card.wide{grid-column:1/-1}
.card .k{font-size:12px;color:var(--muted);margin-bottom:2px}
.card .v{font-size:24px;font-weight:600;color:var(--navy);line-height:1.2}
.card .v.sm{font-size:16px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{background:#fff;border:1px solid var(--line);border-radius:14px;padding:3px 10px;font-size:12px;color:var(--muted)}
.chip b{color:var(--navy);margin-left:2px}
.chip:hover{border-color:var(--blue);color:var(--blue)}
.badge{display:inline-block;background:#eef3fa;color:#4a648c;border-radius:4px;font-size:11px;padding:1px 6px;margin:1px 3px 1px 0}
.lvl{display:inline-block;width:20px;height:20px;line-height:20px;text-align:center;border-radius:50%;font-size:12px;font-weight:600;color:#fff;background:#9aa5b4}
.lvl.lA{background:#c0392b}.lvl.lB{background:#d68910}.lvl.lC{background:#7f8c8d}.lvl.lD{background:#b3bcc8}
tr.rowlink{cursor:pointer}
td.due{color:var(--danger);font-weight:600}
.bar select{max-width:150px}
button.ghost.on{background:#e9f1fb;border-color:var(--blue);color:var(--blue)}
.pager{display:flex;gap:10px;align-items:center;justify-content:flex-end;padding:10px 2px}
.detail-head{display:flex;align-items:flex-start;gap:10px;margin-bottom:14px}
.detail-head h2{margin:0 0 4px;font-size:18px;color:var(--navy);font-weight:600}
.detail-head .spacer{flex:1}
.cols{display:grid;grid-template-columns:1.15fr .85fr;gap:14px;margin-bottom:14px}
.panel{background:#fff;border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:14px;overflow:auto}
.panel h3{margin:0 0 10px;font-size:14px;color:var(--navy);display:flex;align-items:center;gap:8px}
.kvlist{display:grid;grid-template-columns:1fr 1fr;gap:6px 16px}
.kv{display:grid;grid-template-columns:96px 1fr;gap:6px;font-size:13px;padding:3px 0;border-bottom:1px dashed #f0f2f5}
.kv label{color:var(--muted);font-size:12px}
.kv div{word-break:break-all}
.note{background:#fbfcfe;border:1px dashed var(--line);border-radius:8px;padding:10px;font-size:12.5px;color:#4b5563;white-space:pre-wrap;line-height:1.6}
.timeline{max-height:520px;overflow:auto}
.tl{border-left:2px solid #dfe7f2;padding:0 0 12px 12px;margin-left:4px;position:relative}
.tl:before{content:"";position:absolute;left:-5px;top:6px;width:8px;height:8px;border-radius:50%;background:var(--blue)}
.tl-h{display:flex;gap:10px;align-items:baseline}
.tl-h b{font-size:13px;color:var(--navy)}
.tl-b{font-size:13px;margin:3px 0;white-space:pre-wrap}
@media(max-width:960px){.cols{grid-template-columns:1fr}.kvlist{grid-template-columns:1fr}}

/* 型号库（全网收集） */
.xgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(196px,1fr));gap:12px}
.xcard{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer;transition:.15s}
.xcard:hover{border-color:#9cc3ea;box-shadow:0 4px 14px rgba(31,56,100,.08)}
.xcard .xp{height:132px;display:flex;align-items:center;justify-content:center;background:#fafcfe;border-radius:8px;overflow:hidden}
.xcard .xp img{max-width:100%;max-height:132px;object-fit:contain}
.xcard .noimg{color:#a8b6c6;font-size:12px}
.xcard .xn{margin-top:8px;font-size:13px;line-height:1.35}
.xcard .xn b{color:var(--navy);font-weight:600}
.xcard .xn span{display:block;font-size:11px;color:var(--muted);margin-top:2px}
.xcard .xc{font-size:12px;color:#33507a;margin-top:6px;font-variant-numeric:tabular-nums}
.xcard .xb{margin-top:6px;display:flex;gap:4px;flex-wrap:wrap}


/* 子件行「进入」按钮 */
tr.itrow{cursor:pointer}
tr.itrow:hover{background:#f6f9fd}
.gobtn{display:inline-block;background:#e8f0fb;color:#1c5fa8;border-radius:6px;padding:3px 9px;font-size:12px;font-weight:600;white-space:nowrap}
tr.itrow:hover .gobtn{background:#1c5fa8;color:#fff}