:root{
  --brand:#22c3e6;--brand-hover:#46d2f0;--brand-weak:rgba(34,195,230,.12);--brand-ring:rgba(34,195,230,.22);--on-brand:#04131c;
  --bg:#0a0f1c;--panel:#111827;--fill:#172033;--fill-2:#222d44;--border:#243049;--border-2:#1c263b;--border-btn:#2a3752;--input-bg:#0f1626;
  --text:#e3e9f4;--text-2:#a6b1c6;--text-3:#6f7b93;--text-4:#4b566d;
  --success:#2fd494;--success-weak:rgba(47,212,148,.12);--warning:#f5b041;--warning-weak:rgba(245,176,65,.13);--warning-text:#f5b041;
  --danger:#ff5d6c;--danger-weak:rgba(255,93,108,.13);--info:#6d8dff;--info-weak:rgba(109,141,255,.14);--purple:#b18cff;--purple-weak:rgba(177,140,255,.14);
  --row-hover:rgba(34,195,230,.045);--row-hover-solid:#131e2e;--th-bg:#141d2e;
  --side-bg:#0c1322;--side-text:#8e9ab2;--side-text-hi:#e3e9f4;--side-text-3:#4f5b73;--side-hover:rgba(255,255,255,.04);--side-active-bg:rgba(34,195,230,.12);--side-active-text:#5fe0fb;--side-border:#1a2338;--side-border-in:#1a2338;
  --top-bg:rgba(10,15,28,.85);--top-bg-solid:#0a0f1c;
  --radius:5px;--radius-lg:8px;--card-border:#1f2a40;--mask:rgba(2,6,14,.66);--toast-bg:#18223a;--mark-bg:rgba(34,195,230,.18);
  --up:#2fd494;--down:#ff5d6c;
  color-scheme:dark;
}
body{background:radial-gradient(1200px 600px at 80% -10%,rgba(34,195,230,.07),transparent 60%),var(--bg);background-attachment:fixed}
.brand-logo{background:linear-gradient(135deg,#5fe0fb,#1aa5c9);box-shadow:0 0 18px rgba(34,195,230,.45)}
.brand-name{color:#e8f6fb;letter-spacing:.5px}
.brand-name small{letter-spacing:1px;font-size:10px}
.nav-item.active{box-shadow:inset 2px 0 0 #22c3e6}
.nav-item .badge{background:#ff5d6c}
.sys{font-size:11.5px;color:#5c6882;line-height:1.9}
.sys b{color:#9fb0c9;font-weight:500;float:right}
.sys .ok{color:var(--success)}
.topbar{border-bottom-color:#1a2338}
.live-pill{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--success);background:rgba(47,212,148,.08);border:1px solid rgba(47,212,148,.25);padding:3px 10px;border-radius:20px;margin-left:10px}
.live-pill i{width:6px;height:6px;border-radius:50%;background:var(--success);box-shadow:0 0 8px var(--success);animation:blink 1.4s infinite}
@keyframes blink{50%{opacity:.3}}
.clock{color:var(--text-2);font-size:12.5px;padding:0 12px;border-right:1px solid var(--border);margin-right:4px}
.card{background:linear-gradient(180deg,#121b2c,#0f1726)}
.card-t{font-size:14px;letter-spacing:.3px}
.card-t::before{content:"";width:3px;height:12px;background:var(--brand);border-radius:1px;box-shadow:0 0 6px var(--brand)}
.kpi .v{font-family:"DIN Alternate","Bahnschrift","SF Mono",Menlo,Consolas,"PingFang SC",sans-serif;font-weight:600}
.kpi-ic{background:var(--brand-weak);color:var(--brand)}
.kpi-ic.g{background:var(--success-weak);color:var(--success)}.kpi-ic.r{background:var(--danger-weak);color:var(--danger)}.kpi-ic.o{background:var(--warning-weak);color:var(--warning)}.kpi-ic.p{background:var(--purple-weak);color:var(--purple)}
.kpi .glow{position:absolute;right:-20px;bottom:-30px;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle,rgba(34,195,230,.14),transparent 70%)}
.btn{background:#152036}
.btn-primary{background:var(--brand);color:#04131c;font-weight:500}
.btn-primary:hover{color:#04131c}
.select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236f7b93' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E")}
.select option{background:#111827}
input[type=date]{color-scheme:dark}
.tag{border-radius:3px}
.mono,.num{font-variant-numeric:tabular-nums}
.table .fixed-r{box-shadow:-6px 0 10px -6px rgba(0,0,0,.6)}

/* 地图 */
.map-card{position:relative;overflow:hidden}
.map-wrap{position:relative;height:430px}
.map-wrap svg{width:100%;height:calc(100% - 40px);display:block}
.site-dot{cursor:pointer}
.site-dot .ring{transform-origin:center;transform-box:fill-box;animation:ring 2.2s ease-out infinite}
.site-dot.alarm .ring{animation-duration:1.2s}
@keyframes ring{0%{transform:scale(.6);opacity:.9}100%{transform:scale(2.6);opacity:0}}
.site-dot:hover .core{stroke:#fff;stroke-width:2}
.map-tip{position:absolute;pointer-events:none;background:rgba(10,16,30,.95);border:1px solid #2a3a58;border-radius:8px;padding:10px 12px;font-size:12px;line-height:1.75;min-width:180px;box-shadow:0 10px 30px rgba(0,0,0,.5);display:none;z-index:3}
.map-tip b{color:#fff;font-size:13px}
.map-legend{position:absolute;left:18px;bottom:12px;display:flex;gap:14px;font-size:12px;color:var(--text-2)}
.map-legend i{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:5px}
.map-stat{position:absolute;right:16px;bottom:6px;display:flex;gap:8px}
.map-stat div{background:rgba(15,23,38,.8);border:1px solid #22304b;border-radius:6px;padding:4px 10px;font-size:12px;color:var(--text-3);display:flex;align-items:baseline;gap:8px}
.map-stat b{color:var(--text);font-size:15px;font-weight:600;font-family:"DIN Alternate","Bahnschrift",Menlo,monospace}
.feed{display:flex;flex-direction:column;max-height:430px;overflow:hidden}
.feed-it{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border-2);animation:feedin .5s ease}
@keyframes feedin{from{opacity:0;transform:translateY(-8px);background:rgba(255,93,108,.08)}to{opacity:1;transform:none}}
.lv{display:inline-grid;place-items:center;height:20px;padding:0 6px;border-radius:3px;font-size:11px;font-weight:600;flex:none}
.lv-1{background:rgba(255,93,108,.18);color:#ff7a86}.lv-2{background:rgba(245,176,65,.16);color:#f5b041}.lv-3{background:rgba(109,141,255,.16);color:#8ea6ff}
.feed-it .t{font-size:13px}.feed-it .s{font-size:11.5px;color:var(--text-3);margin-top:2px}

/* 设备详情 */
.dev-head{display:flex;gap:18px;align-items:center;padding:18px 20px;flex-wrap:wrap}
.dev-img{width:64px;height:64px;border-radius:10px;background:linear-gradient(145deg,#1c2a44,#0f1829);display:grid;place-items:center;color:var(--brand);border:1px solid #2a3a58;flex:none}
.dev-head h2{margin:0;font-size:18px;display:flex;align-items:center;gap:10px}
.dev-head .meta{font-size:12.5px;color:var(--text-3);margin-top:4px;display:flex;gap:14px;flex-wrap:wrap}
.dev-head .acts{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.metric-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:1px;background:var(--border-2);border-top:1px solid var(--border-2)}
.metric{background:#101826;padding:14px 18px}
.metric .k{font-size:12px;color:var(--text-3);display:flex;align-items:center;gap:6px}
.metric .v{font-size:22px;font-weight:600;font-family:"DIN Alternate","Bahnschrift",Menlo,monospace;margin-top:4px;transition:color .3s}
.metric .v small{font-size:12px;color:var(--text-3);font-weight:400;margin-left:3px;font-family:inherit}
.metric .v.flash{color:var(--brand)}
.metric .lim{font-size:11px;color:var(--text-4);margin-top:2px}
.metric.warn .v{color:var(--warning)}.metric.bad .v{color:var(--danger)}
.chart-sm{height:210px}
.param-t td{padding:9px 12px!important}
.ctrl-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px dashed var(--border-2);font-size:13px}
.ctrl-row:last-child{border-bottom:0}
.switch{width:38px;height:22px;border-radius:11px;background:var(--fill-2);position:relative;cursor:pointer;border:0;transition:background .2s;flex:none}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s}
.switch.on{background:var(--brand)}
.switch.on::after{transform:translateX(16px)}

/* 工单看板 */
.kanban{display:grid;grid-template-columns:repeat(4,minmax(240px,1fr));gap:14px;overflow-x:auto;padding-bottom:6px}
.kcol{background:#0e1523;border:1px solid var(--border-2);border-radius:8px;display:flex;flex-direction:column;min-height:420px}
.kcol-hd{display:flex;align-items:center;gap:8px;padding:12px 14px;font-weight:600;font-size:13.5px;border-bottom:1px solid var(--border-2)}
.kcol-hd .cnt{font-size:11.5px;color:var(--text-3);background:var(--fill);border-radius:10px;padding:0 7px;font-weight:500}
.kcol-hd i{width:8px;height:8px;border-radius:2px}
.kcol-bd{padding:10px;display:flex;flex-direction:column;gap:10px;overflow-y:auto;max-height:640px}
.kcard{background:#141e31;border:1px solid #223049;border-radius:7px;padding:12px;cursor:pointer;transition:all .15s;position:relative}
.kcard:hover{border-color:#2f4a70;transform:translateY(-1px);box-shadow:0 8px 20px rgba(0,0,0,.35)}
.kcard .no{font-size:11.5px;color:var(--text-3);display:flex;justify-content:space-between}
.kcard .tt{font-size:13.5px;margin:6px 0 8px;line-height:1.45}
.kcard .ft{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--text-3)}
.kcard .ft .avatar{width:22px;height:22px;font-size:10px}
.kcard.urgent::before{content:"";position:absolute;left:-1px;top:10px;bottom:10px;width:3px;border-radius:0 3px 3px 0;background:var(--danger)}
.sla{margin-left:auto}
.sla.bad{color:var(--danger)}

/* 固件 */
.fw-card{padding:16px 18px;border-bottom:1px solid var(--border-2)}
.fw-card:last-child{border-bottom:0}
.fw-card .h{display:flex;align-items:center;gap:8px}
.fw-card .ver{font-family:"SF Mono",Menlo,monospace;font-weight:600;font-size:14px}
.fw-card ul{margin:8px 0 0;padding-left:18px;color:var(--text-2);font-size:12.5px;line-height:1.8}
.task{padding:16px 18px;border-bottom:1px solid var(--border-2)}
.task:last-child{border-bottom:0}
.task .h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.task .h b{font-weight:600}
.task .stats{display:flex;gap:18px;font-size:12.5px;color:var(--text-3);margin-top:8px;flex-wrap:wrap}
.task .stats b{color:var(--text);font-weight:600}
.segbar{display:flex;height:8px;border-radius:4px;overflow:hidden;background:var(--fill-2);margin-top:10px}
.segbar i{height:100%;transition:width .6s}
.pick-list{max-height:260px;overflow:auto;border:1px solid var(--border-2);border-radius:8px}
.pick-row{display:flex;align-items:center;gap:10px;padding:8px 12px;border-bottom:1px solid var(--border-2);font-size:13px}
.pick-row:last-child{border-bottom:0}

@media (max-width:1280px){.metric-grid{grid-template-columns:repeat(3,1fr)}}
@media (max-width:900px){.clock{display:none}.map-wrap{height:320px}.map-stat{display:none}.kanban{grid-template-columns:repeat(4,260px)}}
@media (max-width:640px){.metric-grid{grid-template-columns:repeat(2,1fr)}.live-pill{display:none}}
@media (max-width:1360px){.map-stat div:first-child{display:none}}

.file-hide{position:absolute!important;width:1px!important;height:1px!important;opacity:0;pointer-events:none}
.file-pick{display:flex;align-items:center;gap:10px;height:64px;padding:0 16px;border:1px dashed #33476a;border-radius:8px;background:rgba(34,195,230,.04);color:var(--text-2);cursor:pointer;font-size:13px;transition:all .15s}
.file-pick:hover{border-color:var(--brand);color:var(--brand)}
.file-pick.has{border-style:solid;border-color:var(--brand);color:var(--text)}
.form-item.has-err .file-pick{border-color:var(--danger)}
@media (max-width:640px){
  .param-t tr{display:grid;grid-template-columns:42% 58%}
  .param-t td{white-space:normal}
  #rng-sub{display:none}
  .seg button{white-space:nowrap}
  .card-hd{flex-wrap:wrap;gap:8px}
}
@media (max-width:640px){
  .g-5{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-5>.kpi:last-child{grid-column:span 2}
  .g-5 .kpi{padding:14px}
  .g-5 .kpi .v{font-size:24px}
  .g-5 .kpi .f{font-size:11.5px}
  .map-wrap{height:auto;padding-bottom:40px}
  .map-wrap svg{height:auto;aspect-ratio:3/2}/* 手机上只显示站点所在的东中部区域，站点和城市名放大到可读 */
}

/* 窄屏：KPI 两列；数据表改为卡片（每行一张，左侧字段名），不在容器内横向滑动 */
@media (max-width:640px){
  .g-4,.g-5{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .g-5>.kpi:last-child:nth-child(odd){grid-column:1/-1}
  .kpi{padding:12px 14px}.kpi .kpi-ic{display:none}.kpi .v{font-size:22px;line-height:30px}.kpi .f{font-size:11.5px}
  .dt .dt-scroll{overflow:visible}
  .dt .table,.dt .table tbody{display:block;width:100%;min-width:0}
  .dt .table thead{display:none}
  .dt .table tbody tr:not(.empty-row){display:block;padding:10px 14px;border-bottom:1px solid var(--border,#eef0f3)}
  .dt .table tbody tr:not(.empty-row) td{display:block;padding:3px 0;border:0;white-space:normal;text-align:right;position:static;background:none;box-shadow:none;min-height:24px}
  .dt .table tbody td::before{content:attr(data-l);float:left;margin-right:12px;color:var(--text-3,#98a2b3);font-size:12px;text-align:left}
  .dt .table tbody tr:not(.empty-row) td.c-first{display:block;text-align:left;padding-bottom:6px}
  .dt .table tbody td.c-first::before,.dt .table tbody td.fixed-r::before,.dt .table tbody td[data-l=""]::before{display:none}
  .dt .table tbody tr:not(.empty-row) td.fixed-r{text-align:right;padding-top:6px}
  .dt .table tbody tr:not(.empty-row) td.col-check{display:none}
  .dt .table tbody td>*{min-width:0}
}

@media (max-width:640px){.dt .table tbody tr:not(.empty-row) td::after{content:'';display:table;clear:both}}

/* 窄屏：抽屉底部说明文字独占一行、标签页不折行 */
@media (max-width:640px){
  .drawer-ft{flex-wrap:wrap;row-gap:8px}
  .drawer-ft>.grow{flex:1 0 100%;font-size:12px}
  .tabs{gap:0;justify-content:space-between}
  .tabs button{white-space:nowrap;font-size:13px;padding:10px 2px}
}

/* 工单看板：手机端按状态切换单列显示，避免横向滑动 */
.kb-tabs{display:none}
@media (max-width:640px){
.kb-tabs{display:flex;gap:6px;margin-bottom:12px}
.kb-tabs button{flex:1;min-width:0;display:flex;align-items:center;justify-content:center;gap:4px;padding:8px 2px;border:1px solid var(--border);border-radius:8px;background:var(--panel);color:var(--text-2);font-size:12.5px;white-space:nowrap;cursor:pointer}
.kb-tabs button i{width:7px;height:7px;border-radius:50%;flex:none}
.kb-tabs button.on{border-color:var(--brand);color:var(--text);font-weight:600}
.kanban{grid-template-columns:1fr;overflow:visible}
.kanban .kcol:not(.on){display:none}
}

/* 「在线体验」标记：桌面放在侧栏底部空白处（网关状态上方），窄屏挂在顶栏下沿右侧，不压正文 */
@media (min-width:901px){
  .demo-mark{left:12px;right:auto;bottom:104px;background:rgba(34,195,230,.08);color:#6f7d96;border:1px solid #1d2840;opacity:1;backdrop-filter:none}
  .nav-collapsed .demo-mark{left:auto;right:14px;bottom:12px;background:var(--mark-bg,rgba(0,0,0,.62));color:#fff;border:0;opacity:.85}
}
@media (max-width:900px){
  .demo-mark{top:var(--top-h,56px);bottom:auto;right:12px;font-size:10px;line-height:15px;padding:0 8px;border-radius:0 0 6px 6px;background:#121b2e;color:#7d8aa3;border:1px solid #1f2a40;border-top:0;opacity:1;backdrop-filter:none;letter-spacing:.3px;z-index:19}
}