:root{
  --brand:#2563eb;
  --brand-weak:#eff4ff;
  --brand-strong:#1d4ed8;
  --ink:#0f172a;
  --ink-2:#475569;
  --ink-3:#94a3b8;
  --line:#e8edf3;
  --bg:#f6f8fb;
  --card:#ffffff;
  --ok:#16a34a;
  --warn:#f59e0b;
  --danger:#ef4444;
  --radius:14px;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 8px 24px rgba(15,23,42,.06);
  --shadow-sm:0 1px 3px rgba(15,23,42,.08);
  font-synthesis:none;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
:root{transition:--brand .3s}

/* ---------- 通用 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:10px;font-weight:600;font-size:14px;transition:.15s}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px -6px var(--brand)}
.btn-primary:hover{background:var(--brand-strong);transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}
.tag{display:inline-flex;align-items:center;padding:2px 10px;border-radius:999px;font-size:12px;font-weight:600}
.tag-ok{background:#e7f7ee;color:var(--ok)}
.tag-warn{background:#fef3da;color:#b45309}
.tag-danger{background:#fdeaea;color:var(--danger)}
.tag-mute{background:#f1f5f9;color:var(--ink-2)}
.muted{color:var(--ink-3)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}

/* ---------- 顶部导航 ---------- */
.topbar{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.85);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.topbar .wrap{display:flex;align-items:center;gap:18px;height:64px}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px}
.logo-mark{width:34px;height:34px;border-radius:9px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;font-size:16px;box-shadow:0 6px 14px -6px var(--brand)}
.topbar nav{display:flex;gap:4px;margin-left:8px}
.topbar nav a{padding:8px 12px;border-radius:8px;font-size:14px;color:var(--ink-2);font-weight:600}
.topbar nav a:hover{background:var(--brand-weak);color:var(--brand)}
.topbar .spacer{flex:1}
.pill{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600}
.pill .dot{width:8px;height:8px;border-radius:50%;background:var(--brand)}

/* 租户切换下拉 */
.switch{position:relative}
.switch > button{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:10px;border:1px solid var(--line);background:#fff;font-weight:600;font-size:13px}
.switch > button:hover{border-color:var(--brand)}
.switch .menu{position:absolute;right:0;top:46px;width:260px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);padding:8px;display:none}
.switch.open .menu{display:block}
.switch .menu .item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:9px;cursor:pointer}
.switch .menu .item:hover{background:var(--bg)}
.switch .menu .item .lm{width:28px;height:28px;border-radius:8px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:13px}
.switch .menu .item small{color:var(--ink-3);display:block;font-weight:500}

/* ---------- Hero / 门户 ---------- */
.hero{padding:64px 0 28px;text-align:center}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--brand-weak);color:var(--brand-strong);font-weight:700;font-size:13px;margin-bottom:18px}
.hero h1{font-size:42px;line-height:1.15;letter-spacing:-.5px}
.hero h1 .hl{color:var(--brand)}
.hero p{margin:16px auto 0;max-width:620px;color:var(--ink-2);font-size:16px}
.hero .cta{margin-top:26px;display:flex;gap:12px;justify-content:center}

.route-row{display:flex;align-items:center;justify-content:center;gap:10px;margin:34px auto 0;flex-wrap:wrap;max-width:760px}
.route-step{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:10px;background:#fff;border:1px solid var(--line);font-size:13px;font-weight:600}
.route-step .n{width:22px;height:22px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font-size:12px}
.route-arrow{color:var(--ink-3)}

.section-title{display:flex;align-items:baseline;justify-content:space-between;margin:48px 0 18px}
.section-title h2{font-size:22px}
.section-title span{color:var(--ink-3);font-size:14px}

/* 租户卡网格 */
.tenant-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}
.tcard{position:relative;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);background:#fff;padding:22px;cursor:pointer;transition:.18s;box-shadow:var(--shadow)}
.tcard:hover{transform:translateY(-3px);box-shadow:0 14px 34px -12px rgba(15,23,42,.18);border-color:var(--tc,var(--brand))}
.tcard .bar{height:6px;border-radius:6px;background:var(--tc,var(--brand));margin:-22px -22px 18px}
.tcard .head{display:flex;align-items:center;gap:12px}
.tcard .lm{width:46px;height:46px;border-radius:12px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:20px;background:var(--tc,var(--brand))}
.tcard h3{font-size:17px}
.tcard .sub{color:var(--ink-3);font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
.tcard .metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:18px}
.tcard .metrics div{background:var(--bg);border-radius:10px;padding:10px 12px}
.tcard .metrics b{display:block;font-size:18px}
.tcard .metrics span{font-size:12px;color:var(--ink-3)}
.tcard .foot{margin-top:16px;display:flex;align-items:center;justify-content:space-between}
.tcard .enter{font-weight:700;color:var(--tc,var(--brand))}

/* ---------- 后台布局 ---------- */
.app{display:grid;grid-template-columns:232px 1fr;min-height:calc(100vh - 64px)}
.side{background:#fff;border-right:1px solid var(--line);padding:18px 12px;display:flex;flex-direction:column;gap:4px}
.side .grp{font-size:11px;font-weight:700;color:var(--ink-3);letter-spacing:.08em;padding:14px 12px 6px}
.side a{display:flex;align-items:center;gap:11px;padding:10px 12px;border-radius:10px;color:var(--ink-2);font-weight:600;font-size:14px;cursor:pointer}
.side a .ic{width:20px;text-align:center;font-size:15px}
.side a:hover{background:var(--bg)}
.side a.active{background:var(--brand-weak);color:var(--brand-strong)}
.side .spacer{flex:1}
.side .pin{margin-top:auto;padding:12px;border-radius:12px;background:var(--brand-weak);font-size:12px;color:var(--brand-strong);font-weight:600}
.side .pin b{display:block;color:var(--ink);font-size:13px;margin-bottom:4px}

.main{padding:26px 30px;overflow:auto}
.greet{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.greet h1{font-size:24px}
.greet .sub{color:var(--ink-3);font-size:14px;margin-top:4px}
.tenant-flag{display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;background:#fff;border:1px dashed var(--brand);color:var(--brand-strong);font-size:12px;font-weight:700}

.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:14px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow-sm)}
.kpi .lbl{font-size:12px;color:var(--ink-3);font-weight:600}
.kpi .val{font-size:24px;font-weight:800;margin-top:6px}
.kpi .val small{font-size:13px;font-weight:600;color:var(--ink-3)}
.kpi .trend{font-size:12px;margin-top:4px;color:var(--ok);font-weight:600}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);margin-top:22px}
.panel .ph{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--line)}
.panel .ph h3{font-size:16px}
.panel .ph a{font-size:13px;font-weight:700;color:var(--brand)}
.feed{padding:8px 20px 16px}
.feed .row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.feed .row:last-child{border-bottom:none}
.feed .av{width:36px;height:36px;border-radius:50%;background:var(--brand-weak);color:var(--brand-strong);display:grid;place-items:center;font-weight:700;font-size:14px}
.feed .txt{flex:1;font-size:14px}
.feed .txt b{font-weight:700}
.feed .time{font-size:12px;color:var(--ink-3);white-space:nowrap}

.flow{display:flex;align-items:center;gap:6px;padding:18px 20px;flex-wrap:wrap}
.flow .step{padding:8px 14px;border-radius:999px;background:var(--brand-weak);color:var(--brand-strong);font-weight:700;font-size:13px}
.flow .arr{color:var(--ink-3)}

/* 表格（管控台） */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:13px 16px;border-bottom:1px solid var(--line)}
.tbl th{font-size:12px;color:var(--ink-3);font-weight:700;background:var(--bg)}
.tbl td .row{display:flex;align-items:center;gap:10px}
.tbl .lm{width:32px;height:32px;border-radius:9px;display:grid;place-items:center;color:#fff;font-weight:800;font-size:14px}
.tbl tr:hover td{background:#fafcff}
.bar-mini{height:6px;border-radius:6px;background:var(--line);overflow:hidden;min-width:90px}
.bar-mini i{display:block;height:100%;background:var(--brand)}

.cols{display:grid;grid-template-columns:1.4fr 1fr;gap:22px;margin-top:22px}
.empty{display:none;padding:40px;text-align:center;color:var(--ink-3)}

.foot-note{text-align:center;color:var(--ink-3);font-size:13px;padding:40px 0 10px}

@media(max-width:920px){
  .kpis{grid-template-columns:repeat(3,1fr)}
  .cols{grid-template-columns:1fr}
  .app{grid-template-columns:1fr}
  .side{display:none}
}