:root{
  --brand:#1565C0; --brand-d:#0D47A1; --ink:#1a2230; --muted:#6b7787;
  --line:#e3e8ef; --bg:#f2f5f9; --card:#fff; --ok:#1f9254; --warn:#c77700;
  --err:#c62828; --side:#122637;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.6;
}
a{color:var(--brand);text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:600}
input,select,textarea,button{font-family:inherit;font-size:14px}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.side{width:216px;flex:0 0 216px;background:var(--side);color:#c8d6e5;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#1e88e5,#0d47a1);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:16px}
.brand b{display:block;color:#fff;font-size:14px;letter-spacing:.5px}
.brand span{font-size:11px;color:#7e93a8}
.side nav{padding:10px 8px;overflow:auto;flex:1}
.side nav a{display:flex;justify-content:space-between;align-items:center;padding:9px 12px;border-radius:7px;color:#b8c8d8;font-size:13.5px;margin-bottom:2px}
.side nav a:hover{background:rgba(255,255,255,.07);color:#fff}
.side nav a.on{background:var(--brand);color:#fff;font-weight:600}
.side nav a em{font-style:normal;font-size:10px;background:rgba(255,255,255,.16);padding:1px 5px;border-radius:4px;color:#dbe7f3}
.side .foot{padding:12px 16px;border-top:1px solid rgba(255,255,255,.08);font-size:11px;color:#6d8298}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:56px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 22px;position:sticky;top:0;z-index:20}
.topbar .tt{font-size:16px;font-weight:600}
.topbar .tt small{font-weight:400;color:var(--muted);font-size:12px;margin-left:10px}
.userbox{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted)}
.userbox b{color:var(--ink);font-weight:600}
.avatar{width:30px;height:30px;border-radius:50%;background:#e3f0fd;color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:13px}
.content{padding:20px 22px 40px;flex:1}

/* ---------- 通用 ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:16px}
.card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;gap:12px}
.card-h h3{font-size:15px}
.card-h .sub{color:var(--muted);font-size:12px;font-weight:400;margin-left:8px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}

.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:7px;border:1px solid var(--line);background:#fff;color:var(--ink);cursor:pointer;font-size:13px;white-space:nowrap}
.btn:hover{border-color:#c4d2e3;background:#fafcff}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.ghost{background:transparent}
.btn.danger{color:var(--err);border-color:#f0c9c9}
.btn.sm{padding:4px 9px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .sp{flex:1}
input.f,select.f,textarea.f{width:100%;padding:7px 10px;border:1px solid #d6dee8;border-radius:7px;background:#fff;color:var(--ink);outline:none}
input.f:focus,select.f:focus,textarea.f:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(21,101,192,.10)}
.search{max-width:280px}

table.tb{width:100%;border-collapse:collapse;font-size:13px}
table.tb th{background:#f7f9fc;color:#4a5a6d;font-weight:600;text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);white-space:nowrap}
table.tb td{padding:10px 12px;border-bottom:1px solid #f0f3f7;vertical-align:middle}
table.tb tr:hover td{background:#f9fbfe}
table.tb td.num,table.tb th.num{text-align:right;font-variant-numeric:tabular-nums}
table.tb .op a,table.tb .op button{margin-right:6px}
.empty{text-align:center;color:var(--muted);padding:40px 0;font-size:13px}

.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:12px;line-height:18px;background:#eef2f7;color:#4a5a6d}
.badge.ok{background:#e6f6ed;color:var(--ok)}
.badge.warn{background:#fdf3e3;color:var(--warn)}
.badge.info{background:#e8f2fd;color:var(--brand)}
.badge.mute{background:#f0f0f2;color:#8a8f99}
.badge.err{background:#fdeaea;color:var(--err)}

/* ---------- KPI ---------- */
.kpi{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px;margin-bottom:16px}
.kpi .box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:15px 16px}
.kpi .lab{color:var(--muted);font-size:12.5px;margin-bottom:6px}
.kpi .val{font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;letter-spacing:-.3px}
.kpi .val small{font-size:13px;color:var(--muted);font-weight:400;margin-left:3px}
.kpi .box.hl{background:linear-gradient(135deg,#1565c0,#0d47a1);border-color:transparent}
.kpi .box.hl .lab,.kpi .box.hl .val small{color:#cfe2f7}
.kpi .box.hl .val{color:#fff}
.kpi .foot{margin-top:6px;font-size:12px;color:var(--muted)}

/* ---------- 趋势条 ---------- */
.bars{display:flex;align-items:flex-end;gap:14px;height:150px;padding-top:8px}
.bars .col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%}
.bars .stack{flex:1;width:100%;display:flex;align-items:flex-end;justify-content:center;gap:3px}
.bars i{display:block;width:44%;border-radius:4px 4px 0 0;min-height:2px}
.bars i.r{background:#1565c0}
.bars i.g{background:#66bb6a}
.bars .ym{font-size:11px;color:var(--muted)}
.legend{display:flex;gap:16px;font-size:12px;color:var(--muted);margin-top:8px}
.legend b{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:5px}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.form-grid .full{grid-column:1/-1}
.fld label{display:block;font-size:12.5px;color:#4a5a6d;margin-bottom:5px}
.fld label i{color:var(--err);font-style:normal;margin-left:2px}
.fld .hint{font-size:11.5px;color:#9aa6b4;margin-top:4px}

/* ---------- 弹窗 ---------- */
.overlay{position:fixed;inset:0;background:rgba(16,32,48,.42);display:none;align-items:flex-start;justify-content:center;z-index:60;padding:40px 16px;overflow:auto}
.overlay.on{display:flex}
.dlg{background:#fff;border-radius:12px;width:100%;max-width:780px;box-shadow:0 18px 50px rgba(0,0,0,.20)}
.dlg header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.dlg header h3{font-size:15px}
.dlg .body{padding:18px 20px}
.dlg footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 20px;border-top:1px solid var(--line);background:#fbfcfe;border-radius:0 0 12px 12px}
.dlg .x{border:none;background:none;font-size:20px;color:#98a3b2;cursor:pointer;line-height:1}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f2233,#173a5e 60%,#1565c0);padding:24px}
.login-card{width:100%;max-width:380px;background:#fff;border-radius:14px;padding:30px 28px;box-shadow:0 24px 60px rgba(0,0,0,.28)}
.login-card h1{font-size:19px;margin-bottom:6px}
.login-card p.sub{color:var(--muted);font-size:12.5px;margin:0 0 20px}
.login-card .fld{margin-bottom:14px}
.login-card .btn{width:100%;justify-content:center;padding:10px}
.login-card .tip{margin-top:18px;font-size:11.5px;color:#98a3b2;line-height:1.8;border-top:1px dashed var(--line);padding-top:12px}

/* ---------- 其他 ---------- */
.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;font-size:13px}
.flash.ok{background:#e9f7ef;color:#186b40;border:1px solid #c8ebd8}
.flash.err{background:#fdeaea;color:#a01f1f;border:1px solid #f6cccc}
.issue{padding:9px 12px;border-radius:7px;font-size:13px;margin-bottom:8px;display:flex;gap:8px;align-items:flex-start}
.issue.err{background:#fdeaea;color:#a01f1f}
.issue.warn{background:#fff7e8;color:#8a5a00}
.kv{display:grid;grid-template-columns:110px 1fr;gap:8px 14px;font-size:13.5px}
.kv .k{color:var(--muted)}
.kv .v{color:var(--ink)}
.tag{display:inline-block;font-size:11.5px;color:var(--brand);background:#e8f2fd;border-radius:4px;padding:1px 6px;margin-left:6px}
.phase-note{background:#fff8e6;border:1px solid #f4e0b3;color:#8a5a00;padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:14px}
.timeline{list-style:none;padding:0;margin:0}
.timeline li{position:relative;padding:0 0 16px 18px;border-left:2px solid #e6edf5}
.timeline li:last-child{border-left-color:transparent}
.timeline li:before{content:"";position:absolute;left:-5px;top:6px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.timeline .t{font-size:12px;color:var(--muted)}
.timeline .d{font-size:13px}
@media print{.side,.topbar,.toolbar,.btn{display:none!important}.content{padding:0}}

/* ---------- 快捷资源（导航页内嵌） ---------- */
.nav-wrap{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
  height:calc(100vh - 205px);min-height:560px}
.nav-wrap iframe{display:block;width:100%;height:100%;border:0}
.nav-tip{margin-top:10px;font-size:12px;color:#98a3b2;line-height:1.8;text-align:center}
@media (max-width:900px){
  .nav-wrap{height:calc(100vh - 230px);min-height:480px}
}