:root{--bg:#071322;--surface:#0d2138;--surface-2:#102a45;--line:#1f4866;--text:#eaf5fb;--muted:#8da9bd;--cyan:#32d7ef;--blue:#4f86ff;--green:#42d49b;--amber:#f5b953;--red:#fb6b73;--shadow:0 16px 40px rgba(0,0,0,.22)}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 500px at 50% -100px,#133d60 0,#071322 65%);color:var(--text);font-family:"Segoe UI","Microsoft YaHei",sans-serif;min-height:100vh}body.cover-active{overflow:hidden}body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.1;background-image:linear-gradient(rgba(50,215,239,.25) 1px,transparent 1px),linear-gradient(90deg,rgba(50,215,239,.2) 1px,transparent 1px);background-size:56px 56px;mask-image:linear-gradient(to bottom,#000,transparent 80%)}
.cover-screen{position:fixed;inset:0;z-index:50;display:grid;place-items:center;overflow:hidden;background:#061827;transition:opacity .6s ease,visibility .6s ease}.cover-screen.dismissed{opacity:0;visibility:hidden;pointer-events:none}.cover-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;filter:saturate(.86) brightness(.7)}.cover-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,22,35,.67),rgba(5,24,39,.14) 48%,rgba(3,17,29,.52)),linear-gradient(0deg,rgba(3,16,27,.58),transparent 50%)}.cover-content{position:relative;width:min(1180px,calc(100% - 64px));padding:clamp(120px,22vh,220px) 0 80px;text-align:center}.cover-kicker{color:#8beaf4;font-size:12px;letter-spacing:5px}.cover-content h1{margin:18px 0 9px;font-size:clamp(32px,5vw,66px);letter-spacing:8px;text-shadow:0 4px 22px rgba(0,0,0,.45)}.cover-content p{margin:0;color:#d7edf4;font-size:clamp(16px,2vw,24px);letter-spacing:5px}.enter-btn{margin:46px auto 17px;display:flex;align-items:center;gap:38px;padding:0 9px 0 27px;height:52px;color:#e9fcff;background:rgba(6,37,57,.55);border:1px solid #61e4f4;box-shadow:0 0 28px rgba(50,215,239,.18),inset 0 0 18px rgba(50,215,239,.08);font-size:14px;letter-spacing:3px;cursor:pointer;transition:.22s}.enter-btn b{display:grid;place-items:center;width:34px;height:34px;background:#32d7ef;color:#062033;font-size:22px;font-weight:400}.enter-btn:hover{background:rgba(22,83,108,.7);transform:translateY(-2px);box-shadow:0 0 34px rgba(50,215,239,.35)}.cover-content small{display:block;color:#9cb9c9;font-size:11px;letter-spacing:1px}.cover-corner{position:absolute;width:90px;height:90px;border-color:rgba(116,222,239,.65);border-style:solid;z-index:2}.cover-corner-tl{left:28px;top:28px;border-width:1px 0 0 1px}.cover-corner-br{right:28px;bottom:28px;border-width:0 1px 1px 0}
.app-shell{max-width:1680px;margin:0 auto;min-height:100vh;padding:0 28px 22px}.topbar{height:100px;display:grid;grid-template-columns:1fr 1.6fr 1fr;align-items:center;border-bottom:1px solid rgba(90,163,199,.3);position:relative}.brand-mark{display:flex;gap:12px;align-items:center;font-size:18px;letter-spacing:1px}.brand-mark b{display:block;font-size:15px;color:var(--cyan);font-weight:500}.brand-mark strong{display:block;font-size:20px;letter-spacing:3px}.brand-pulse{width:30px;height:30px;border:1px solid var(--cyan);display:block;position:relative;transform:rotate(45deg)}.brand-pulse:before,.brand-pulse:after{content:"";position:absolute;background:var(--cyan)}.brand-pulse:before{width:12px;height:1px;left:8px;top:14px}.brand-pulse:after{width:1px;height:12px;left:14px;top:8px}.header-center{text-align:center}.eyebrow,.section-kicker,.panel-kicker{font-size:10px;color:var(--cyan);letter-spacing:2px;text-transform:uppercase}.header-center h1{font-size:24px;margin:6px 0 0;letter-spacing:6px;font-weight:600}.header-meta{justify-self:end;display:flex;align-items:center;gap:9px;color:#b6d0df;font-size:13px}.header-meta time{padding-left:16px;border-left:1px solid var(--line);font-variant-numeric:tabular-nums;color:var(--text)}.live-dot,.connection i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green);display:inline-block}
.nav-tabs{height:66px;display:flex;align-items:center;justify-content:center;gap:10px;border-bottom:1px solid rgba(90,163,199,.23)}.nav-tab{height:38px;padding:0 27px;color:#9cb9c9;background:transparent;border:1px solid transparent;font-size:14px;cursor:pointer;transition:.2s}.nav-tab:hover{color:var(--text);border-color:var(--line)}.nav-tab.active{color:var(--text);border-color:var(--cyan);background:linear-gradient(90deg,rgba(50,215,239,.14),rgba(50,215,239,.03));box-shadow:inset 0 -2px var(--cyan)}
.main-content{padding-top:23px}.page-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:18px}.page-heading h2{font-size:26px;margin:5px 0 0;letter-spacing:1px}.refresh{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:12px}.refresh button{width:31px;height:31px;border:1px solid var(--line);background:var(--surface);color:var(--cyan);font-size:20px;cursor:pointer}.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:13px;margin-bottom:13px}.kpi{position:relative;padding:17px 19px;background:linear-gradient(120deg,rgba(16,42,69,.95),rgba(9,27,45,.94));border:1px solid var(--line);box-shadow:var(--shadow);overflow:hidden}.kpi:after{content:"";position:absolute;right:-25px;top:-40px;width:100px;height:100px;border:1px solid rgba(50,215,239,.18);transform:rotate(45deg)}.kpi-label{font-size:12px;color:var(--muted);display:flex;justify-content:space-between}.kpi-value{font-size:30px;font-weight:600;margin:11px 0 2px;font-variant-numeric:tabular-nums}.kpi-value small{font-size:13px;color:var(--muted);font-weight:400;margin-left:4px}.kpi-trend{font-size:11px;color:var(--green)}.kpi-trend.warn{color:var(--amber)}.kpi-accent{position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--cyan)}.kpi:nth-child(2) .kpi-accent{background:var(--green)}.kpi:nth-child(3) .kpi-accent{background:var(--amber)}.kpi:nth-child(4) .kpi-accent{background:var(--blue)}
.dashboard-grid{display:grid;grid-template-columns:1.25fr 1.45fr .85fr;grid-template-rows:minmax(312px,auto) minmax(190px,auto);gap:13px}.panel{background:linear-gradient(140deg,rgba(13,33,56,.96),rgba(9,25,42,.96));border:1px solid var(--line);box-shadow:var(--shadow);min-width:0}.panel-head{display:flex;justify-content:space-between;align-items:flex-start;padding:17px 18px 10px}.panel-head h3{margin:5px 0 0;font-size:16px;font-weight:500;letter-spacing:.5px}.status-chip,.model-badge{font-size:11px;padding:4px 8px;border:1px solid var(--line);color:var(--muted)}.status-chip.safe{border-color:rgba(66,212,155,.4);color:var(--green)}.map-panel{grid-row:span 2}.map-wrap{position:relative;margin:2px 14px 0;height:375px;overflow:hidden;border:1px solid #285778;background:#0a1b2a}.map-wrap img{width:100%;height:100%;object-fit:cover;filter:saturate(.78) brightness(.73);opacity:.88}.map-wrap:after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(50,215,239,.14),transparent 50%);pointer-events:none}.map-tag{position:absolute;z-index:2;font-size:10px;padding:3px 7px;border:1px solid var(--cyan);background:rgba(5,21,34,.82);color:#d7f7ff}.tag-a{left:55%;top:45%}.tag-b{left:31%;top:38%;border-color:var(--green)}.tag-c{right:10%;top:22%;border-color:var(--amber)}.tag-d{left:65%;bottom:25%;border-color:var(--blue)}.map-legend{display:flex;gap:15px;padding:12px 18px;color:var(--muted);font-size:11px}.dot{width:7px;height:7px;display:inline-block;border-radius:50%;margin-right:4px}.dot.cyan{background:var(--cyan)}.dot.green{background:var(--green)}.dot.amber{background:var(--amber)}.dot.red{background:var(--red)}
.trend-panel{grid-column:2;grid-row:1}.chart-area{height:245px;padding:0 12px;position:relative}.chart-area.has-extra{height:410px}.chart-area svg{width:100%;height:100%;overflow:visible}.chart-area>svg:first-child{height:245px}.chart-grid{stroke:#1d3b53;stroke-width:1}.chart-label{fill:#7d9aae;font-size:10px}.chart-line{fill:none;stroke-width:2.5;vector-effect:non-scaling-stroke}.chart-point{stroke:#0d2138;stroke-width:2;transition:r .15s,stroke-width .15s}.chart-point.selected{stroke:#fff;stroke-width:3}.chart-hit{fill:transparent;cursor:pointer;outline:none}.chart-hit:hover,.chart-hit:focus,.chart-hit.selected{fill:rgba(50,215,239,.08)}.chart-tooltip{position:absolute;top:7px;right:17px;z-index:3;min-width:126px;padding:8px 10px;background:rgba(5,21,34,.95);border:1px solid var(--cyan);box-shadow:0 8px 20px rgba(0,0,0,.25);font-size:10px;color:var(--text)}.chart-tooltip[hidden]{display:none}.chart-tooltip b{display:block;margin-bottom:5px;color:#dffaff;font-size:11px}.chart-tooltip span{display:flex;align-items:center;gap:5px;line-height:1.5;color:var(--muted)}.chart-tooltip i{width:7px;height:7px;border-radius:50%;display:inline-block}.chart-tooltip strong{margin-left:auto;color:var(--text);font-variant-numeric:tabular-nums}.trend-extra{margin:2px 0 0;padding:0 3px 5px;border-top:1px solid rgba(90,163,199,.2)}.extra-head{display:flex;justify-content:space-between;padding:7px 3px 1px;color:#6f8d9f;font-size:9px;letter-spacing:1px}.bar-chart{height:145px!important}.bar-column{opacity:.82;cursor:pointer;transition:opacity .15s,filter .15s}.bar-column:hover,.bar-column:focus,.bar-column.selected{opacity:1;filter:brightness(1.2);outline:none}
.forecast-panel{grid-column:3;grid-row:1}.forecast-main{display:flex;gap:13px;align-items:center;padding:9px 18px 14px;border-bottom:1px solid rgba(90,163,199,.2)}.forecast-value{font-size:31px;color:var(--cyan);font-variant-numeric:tabular-nums}.forecast-main b{display:block;font-size:13px}.forecast-main small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.forecast-bars{padding:10px 18px 0}.forecast-curve-head{display:flex;justify-content:space-between;color:#6f8d9f;font-size:9px;letter-spacing:1px}.forecast-curve{display:block;width:100%;height:116px;overflow:visible}.forecast-axis{stroke:#23455d;stroke-width:1}.forecast-path{fill:none;stroke:var(--cyan);stroke-width:2.5;filter:drop-shadow(0 0 4px rgba(50,215,239,.45))}.forecast-dot{fill:#0d2138;stroke:var(--cyan);stroke-width:2.5}.forecast-number{fill:#dffaff;font-size:9px;font-weight:600}.forecast-month{fill:#7897aa;font-size:9px}.muted{color:#718b9b;font-size:10px;line-height:1.55;padding:0 18px}.alerts-panel{grid-column:2 / 4;grid-row:2}.alert-list{padding:0 18px 12px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.alert-item{display:flex;gap:10px;padding:9px;background:#102a42;border-left:2px solid var(--amber)}.alert-item.red{border-left-color:var(--red)}.alert-item b{font-size:11px;font-weight:500}.alert-item small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.alert-level{font-size:10px;color:var(--amber)}
.control-panel{margin-top:13px}.connection{font-size:11px;color:var(--green);display:flex;gap:7px;align-items:center}.control-grid{display:grid;grid-template-columns:1.2fr repeat(3,1fr);gap:10px;padding:2px 18px 14px}.control-mode{padding:10px;background:#102a42}.control-mode>span{font-size:12px;color:var(--muted)}.segmented{display:flex;margin:8px 0}.mode-btn{flex:1;border:1px solid var(--line);background:#0a1d30;color:var(--muted);padding:7px 4px;font-size:11px;cursor:pointer}.mode-btn.active{color:var(--cyan);border-color:var(--cyan);background:rgba(50,215,239,.1)}.control-mode small{font-size:10px;line-height:1.4;color:#69889c}.device-btn{display:flex;align-items:center;gap:9px;padding:10px 12px;background:#102a42;border:1px solid var(--line);color:var(--text);text-align:left;cursor:pointer}.device-btn:hover{border-color:var(--cyan)}.device-icon{width:25px;height:25px;border:1px solid var(--cyan);color:var(--cyan);display:grid;place-items:center;font-size:15px}.device-btn b{display:block;font-size:12px;font-weight:500}.device-btn small{display:block;color:var(--muted);font-size:10px;margin-top:3px}.device-btn em{font-style:normal;margin-left:auto;color:var(--muted);font-size:10px}.device-btn.on em{color:var(--green)}.device-btn.alarm .device-icon{color:var(--amber);border-color:var(--amber)}.control-log{border-top:1px solid rgba(90,163,199,.2);padding:9px 18px;color:var(--muted);font-size:10px;font-family:monospace}footer{display:flex;justify-content:space-between;color:#638296;font-size:10px;padding:17px 2px 0}footer b{color:#93b2c2;font-weight:400}
@media(max-width:1100px){.app-shell{padding:0 16px}.topbar{grid-template-columns:1fr 1fr;height:84px}.header-center{display:none}.kpi-grid{grid-template-columns:repeat(2,1fr)}.dashboard-grid{grid-template-columns:1fr 1.25fr;grid-template-rows:auto auto auto}.map-panel{grid-row:span 1}.forecast-panel{grid-column:1;grid-row:2}.alerts-panel{grid-column:2;grid-row:2}.control-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:680px){.nav-tabs{justify-content:flex-start;overflow:auto}.nav-tab{padding:0 16px;white-space:nowrap}.page-heading h2{font-size:20px}.dashboard-grid{display:block}.panel{margin-bottom:12px}.map-wrap{height:260px}.trend-panel .chart-area{height:210px}.trend-panel .chart-area>svg:first-child{height:210px}.trend-panel .chart-area.has-extra{height:375px}.alert-list{grid-template-columns:1fr}.control-grid{grid-template-columns:1fr}footer{display:block;line-height:1.9}.header-meta span:not(.live-dot){display:none}.header-meta time{padding-left:0;border:0}.brand-mark strong{font-size:16px}}
.schematic-strip{position:relative;margin:0 14px 14px;height:73px;overflow:hidden;border:1px solid #285778;background:#0a1b2a}.schematic-strip img{width:100%;height:100%;object-fit:cover;opacity:.66;filter:saturate(.7) brightness(.7)}.schematic-strip span{position:absolute;inset:0;display:grid;place-items:center;color:#d6f6ff;font-size:11px;letter-spacing:2px;background:rgba(4,20,34,.26)}