:root{
  --bg:#f4f6f9; --panel:#ffffff; --line:#e8eaee; --text:#1f2329; --sub:#8a9099;
  --brand:#2b6cf6; --brand-weak:#eaf1ff; --brand-dark:#1f5ce0;
  --ok:#12a05c; --ok-weak:#e6f7ee; --warn:#e8871a; --warn-weak:#fff5e6;
  --danger:#e5484d; --danger-weak:#fdecec;
  --radius:10px; --radius-sm:8px; --shadow:0 1px 3px rgba(0,0,0,.05);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--bg); color:var(--text); font-size:14px; line-height:1.6;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand); text-decoration:none}
a:hover{opacity:.85}
.muted{color:var(--sub); font-size:12px}
.tiny{font-size:11px}
.mono{font-family:ui-monospace,Consolas,Monaco,monospace; font-size:12px}
.req{color:var(--danger)}
.right{text-align:right}
.center{text-align:center}

/* ---------- 布局 ---------- */
.layout{display:flex; min-height:100vh}
.sidebar{
  width:216px; flex:0 0 216px; background:#fff; border-right:1px solid var(--line);
  padding:18px 0; position:sticky; top:0; height:100vh; overflow:auto;
}
.brand{padding:0 20px 16px; font-size:16px; font-weight:600; letter-spacing:.5px; line-height:1.3}
.brand small{display:block; font-size:11px; color:var(--sub); font-weight:400; margin-top:3px; letter-spacing:0}
.nav a{
  display:flex; align-items:center; gap:8px; padding:9px 20px; color:#444; font-size:14px;
  border-left:3px solid transparent;
}
.nav a:hover{background:#f7f8fa}
.nav a.on{background:var(--brand-weak); color:var(--brand); border-left-color:var(--brand); font-weight:600}
.nav .grp{padding:14px 20px 6px; font-size:11px; color:#a5abb3; letter-spacing:1px}

.main{flex:1; min-width:0; padding:22px 26px 60px}
.topbar{display:flex; align-items:center; justify-content:space-between; margin-bottom:18px}
.topbar h1{font-size:19px; margin:0}
.topbar .desc{color:var(--sub); font-size:12px; margin-top:3px}
.userbox{display:flex; align-items:center; gap:10px; font-size:13px; color:var(--sub)}
.userbox .dot{width:26px;height:26px;border-radius:50%;background:var(--brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:12px}

/* ---------- 卡片 ---------- */
.card{background:var(--panel); border:1px solid var(--line); border-radius:var(--radius); box-shadow:var(--shadow); margin-bottom:16px; overflow:hidden}
.card > .hd{
  padding:13px 18px; border-bottom:1px solid var(--line); font-weight:600; font-size:14px;
  display:flex; justify-content:space-between; align-items:center; gap:10px; flex-wrap:wrap;
}
.card > .hd .sub{font-weight:400; font-size:12px; color:var(--sub)}
.card > .bd{padding:18px}
.card > .bd.no-pad{padding:0}
.card .bd + .bd{border-top:1px solid var(--line)}

/* 卡片头部右侧工具条（按钮/筛选/链接） */
.hd-actions{display:flex; align-items:center; gap:6px; flex-wrap:wrap}

/* ---------- 栅格 ---------- */
.grid{display:grid; gap:14px}
.g4{grid-template-columns:repeat(4,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
.g1{grid-template-columns:1fr}
@media(max-width:1100px){.g4{grid-template-columns:repeat(2,1fr)} .g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.g4,.g3,.g2{grid-template-columns:1fr} .sidebar{display:none}}

/* ---------- 统计卡 ---------- */
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.stat .k{color:var(--sub);font-size:12px}
.stat .v{font-size:26px;font-weight:600;margin-top:6px;letter-spacing:.5px}
.stat .t{font-size:11px;color:var(--sub);margin-top:4px}

/* ---------- 表格 ---------- */
table.tb{width:100%; border-collapse:collapse; font-size:13px}
table.tb th,table.tb td{padding:11px 14px; border-bottom:1px solid var(--line); text-align:left; vertical-align:middle}
table.tb th{background:#fafbfc; color:#666; font-weight:600; font-size:12px; white-space:nowrap}
table.tb tr:last-child td{border-bottom:none}
table.tb tr:hover td{background:#fcfcfd}
table.tb td.num{text-align:right; font-variant-numeric:tabular-nums}
table.tb .col-id{width:52px}
table.tb .col-sm{width:72px}
table.tb .col-md{width:120px}
table.tb .col-lg{width:160px}
table.tb .col-actions{width:150px; white-space:nowrap}
table.tb .col-150{width:150px}

/* ---------- 表单 ---------- */
.field{margin-bottom:14px}
.field > label{display:block; font-size:13px; margin-bottom:6px; color:#444}
.field .tip{font-size:12px; color:var(--sub); margin-top:5px; line-height:1.5}
.form-row{display:grid; grid-template-columns:160px 1fr; align-items:start; gap:14px; margin-bottom:14px}
.form-row > label{font-size:13px; color:#444; padding-top:8px}
.form-row .tip{font-size:12px; color:var(--sub); margin-top:5px; line-height:1.5}
input[type=text],input[type=password],input[type=number],select,textarea{
  width:100%; padding:8px 11px; border:1px solid #d8dbe0; border-radius:var(--radius-sm); font-size:13px;
  background:#fff; color:var(--text); outline:none; font-family:inherit;
}
input:focus,select:focus,textarea:focus{border-color:var(--brand); box-shadow:0 0 0 3px rgba(43,108,246,.1)}
textarea{min-height:78px; resize:vertical}
.inline{display:flex; gap:10px; align-items:center}
.inline > *{flex:1}
.inline > .btn{flex:0 0 auto}
.copy-line{display:flex; gap:10px; align-items:center}
.copy-line > input{flex:1}

/* 开关行：标签与开关同一行 */
.toggle-row{display:flex; align-items:center; justify-content:space-between; gap:14px; padding:11px 0; border-bottom:1px solid var(--line)}
.toggle-row:last-child{border-bottom:none}
.toggle-row .lbl{font-size:13px; color:#333}
.toggle-row .lbl .tip{font-size:12px; color:var(--sub); margin-top:3px; line-height:1.5}

/* 键值行 */
.kv{display:grid; grid-template-columns:150px 1fr; gap:8px 14px; font-size:13px}
.kv .k{color:var(--sub)}
.kv .v{color:var(--text)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:5px;
  padding:7px 14px; border-radius:var(--radius-sm); border:1px solid #d8dbe0; background:#fff;
  color:#333; font-size:13px; cursor:pointer; font-family:inherit; white-space:nowrap;
}
.btn:hover{background:#f6f7f9}
.btn.primary{background:var(--brand); border-color:var(--brand); color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn.danger{color:var(--danger); border-color:#f3c6c7}
.btn.danger:hover{background:var(--danger-weak)}
.btn.sm{padding:4px 9px; font-size:12px; border-radius:6px}
.btn.lg{padding:10px 22px; font-size:14px}
.btn.block{width:100%}
.btn.link{background:none; border:none; color:var(--brand); padding:6px 4px}
.btn:disabled{opacity:.55; cursor:not-allowed}

/* ---------- 标签 / 徽标 ---------- */
.tag{display:inline-block; padding:1px 8px; border-radius:20px; font-size:11px; line-height:19px; background:#f0f1f3; color:#666}
.tag.ok{background:var(--ok-weak); color:var(--ok)}
.tag.warn{background:var(--warn-weak); color:var(--warn)}
.tag.danger{background:var(--danger-weak); color:var(--danger)}
.tag.brand{background:var(--brand-weak); color:var(--brand)}

/* ---------- 开关 ---------- */
.switch{position:relative; display:inline-block; width:42px; height:23px; flex:0 0 42px}
.switch input{opacity:0; width:0; height:0}
.switch span{position:absolute; inset:0; background:#d4d7dc; border-radius:23px; transition:.2s; cursor:pointer}
.switch span:before{content:""; position:absolute; width:19px; height:19px; left:2px; top:2px; background:#fff; border-radius:50%; transition:.2s}
.switch input:checked + span{background:var(--brand)}
.switch input:checked + span:before{transform:translateX(19px)}

/* ---------- 提示 ---------- */
.alert{padding:11px 14px; border-radius:var(--radius-sm); font-size:13px; margin-bottom:14px; line-height:1.6}
.alert.ok{background:var(--ok-weak); color:#0e7c48; border:1px solid #c6ecd8}
.alert.err{background:var(--danger-weak); color:#b8353a; border:1px solid #f6cfd0}
.alert.info{background:#eef4ff; color:#2455c5; border:1px solid #d5e2ff}
.alert.warn{background:var(--warn-weak); color:#8a6416; border:1px solid #f5e2b8}

/* ---------- 杂项 ---------- */
.divider{height:1px; background:var(--line); margin:16px 0}
.mt8{margin-top:8px} .mt10{margin-top:10px} .mt12{margin-top:12px} .mt14{margin-top:14px} .mt16{margin-top:16px} .mt20{margin-top:20px}
.mb8{margin-bottom:8px} .mb12{margin-bottom:12px} .mb16{margin-bottom:16px}
.dnone{display:none}
.empty{padding:40px; text-align:center; color:var(--sub); font-size:13px}
.row-flex{display:flex; gap:8px; flex-wrap:wrap}
.row-flex.end{justify-content:flex-end}
.row-flex.mt{margin-top:12px}
.w180{width:180px; flex:0 0 180px}
.prose{font-size:13px; line-height:1.9}
.color-box{display:inline-block; width:16px; height:16px; border-radius:4px; border:1px solid #ddd; vertical-align:-3px; margin-right:5px}
.thumb{max-width:56px; max-height:72px; border-radius:4px; border:1px solid var(--line)}
.pre{background:#f7f8fa; border:1px solid var(--line); border-radius:var(--radius-sm); padding:12px; font-size:12px; white-space:pre-wrap; display:none; margin-top:12px}
.drive-grid{display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:9px}
.drive-item{border:1px solid var(--line); border-radius:9px; padding:10px 12px; cursor:pointer; background:#fff}
.drive-item.on{border-color:var(--brand); background:var(--brand-weak)}
.drive-item b{display:block; font-size:13px; font-weight:600}
.drive-item span{font-size:11px; color:var(--sub)}
.bar{display:flex; align-items:flex-end; gap:6px; height:150px}
.bar .col{flex:1; text-align:center}
.bar .col .fill{height:3px; background:linear-gradient(180deg,#4d86ff,#2b6cf6); border-radius:4px 4px 0 0}
.bar .col .lab{font-size:10px; margin-top:4px; color:var(--sub)}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh; display:flex; align-items:center; justify-content:center; background:linear-gradient(135deg,#eef3ff,#f7f8fa)}
.login-box{width:360px; background:#fff; border-radius:14px; padding:34px 30px; box-shadow:0 10px 40px rgba(20,40,80,.08)}
.login-box h2{margin:0 0 4px; font-size:20px}
.login-box p{margin:0 0 22px; color:var(--sub); font-size:13px}
.login-box .btn{width:100%; margin-top:6px; padding:10px}