:root{color-scheme:dark;--bg:#07111f;--panel:#101f30;--line:#26394d;--muted:#8fa7bf;--cyan:#59dce8;--gold:#efb95f}*{box-sizing:border-box}body{margin:0;background:var(--bg);font:14px/1.5 "Microsoft YaHei",Arial,sans-serif;color:#eaf3fa}button,input,select{font:inherit}button{border:1px solid #3a5066;background:#172b3f;color:#eaf3fa;padding:9px 13px;border-radius:6px;cursor:pointer}button:hover{border-color:var(--cyan);background:#234156}button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}button:disabled{opacity:.42;cursor:not-allowed}header{height:92px;display:flex;align-items:center;gap:26px;padding:16px 28px;border-bottom:1px solid var(--line)}header img{width:170px;height:60px;object-fit:contain}.heading{border-left:1px solid #344356;padding-left:26px}h1{font-size:23px;font-weight:600;letter-spacing:2px;margin:2px 0}small,.hint{color:var(--muted)}.demo{margin-left:auto;border:1px solid #775f37;background:#372c1a;color:#ffdc9b;border-radius:5px;padding:7px 12px;white-space:nowrap}#clock{color:var(--muted);font-variant-numeric:tabular-nums}nav{display:flex;align-items:center;gap:8px;padding:10px 28px;border-bottom:1px solid var(--line)}nav button{border:0;background:none;padding:10px 20px}nav button.active{background:#17374a;color:#76e9ec}nav>span{margin-left:auto;color:var(--muted);font-size:12px}.view{display:none;padding:20px 28px}.view.active{display:block}.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:18px}.metrics article{background:linear-gradient(110deg,#152a3d,#101d2d);padding:14px 20px;border:1px solid var(--line);border-radius:8px;display:grid;grid-template-columns:1fr auto;align-items:center}.metrics span{color:#a9bfd0}.metrics strong{font-family:Arial,sans-serif;font-size:30px;font-weight:500;grid-row:1/3;grid-column:2}.metrics em{font-size:12px;font-style:normal;color:#78a1b6}.workspace{display:grid;grid-template-columns:218px minmax(380px,1fr) 280px;gap:16px}.equipment,.details,.scene-panel,.sequence,.chart-panel{background:var(--panel);border:1px solid var(--line);border-radius:8px}.equipment,.details{padding:16px}.panel-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}.panel-title span{font-size:12px;color:var(--muted)}h2{font-size:17px;font-weight:600;margin:0}h3{font-size:15px;margin:14px 0 8px}.device-item{display:flex;align-items:center;width:100%;text-align:left;border:1px solid transparent;background:transparent;padding:10px 6px;margin-bottom:3px;gap:10px}.device-item.active{background:#1d394d;border-color:#3d677a}.device-item b{font-size:12px;font-weight:400;color:#668aa3;border:1px solid #34526a;border-radius:4px;padding:3px}.device-item span{font-size:14px}.device-item small{display:block;font-size:12px;color:#a1b2c1}.device-item .status{width:6px;height:6px;border-radius:6px;background:#667786;margin-left:auto}.device-item .status.on{background:#69dcc0;box-shadow:0 0 9px #69dcc077}.legend{border-top:1px solid var(--line);padding-top:16px;margin-top:14px;color:var(--muted);font-size:12px;line-height:2}.legend i{display:inline-block;width:16px;height:3px;background:var(--gold);vertical-align:middle;margin:0 5px}.legend i.water{background:var(--cyan)}.scene-panel{position:relative;overflow:hidden;min-height:530px;background:radial-gradient(ellipse at 45% 45%,#1c3446,#101d2c)}.scene-head{position:absolute;left:20px;right:20px;top:18px;z-index:2;display:flex;justify-content:space-between;gap:10px;pointer-events:none}.scene-head button{pointer-events:auto;font-size:12px;padding:6px 9px;background:#152637cf}.camera-tools{display:flex;gap:6px;align-items:flex-start}.eyebrow{font-size:10px;color:#6ca0b4;letter-spacing:2px;display:block;margin-bottom:5px}#scene{height:100%;min-height:530px;position:relative}#scene canvas{width:100%;height:100%;display:block;outline:none}#labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.label3d{position:absolute;transform:translate(-50%,-50%);font-size:12px;white-space:nowrap;padding:3px 7px;background:#102334d9;border:1px solid #50708690;border-radius:4px;pointer-events:auto;color:#d9e9f6}.label3d.selected{color:#fff1c9;border-color:#efb95f}.scene-note{position:absolute;bottom:12px;left:18px;right:18px;font-size:12px;color:#9fb3c6;pointer-events:none;display:flex;justify-content:space-between}.scene-note span{font-size:11px;color:#7492aa}.details .hint{font-size:12px}.details hr{border:0;border-top:1px solid var(--line);margin:18px 0}.details label{display:block;margin:16px 0 7px;color:#a8bbcc}.details select{width:100%;padding:9px;background:#0b1827;border:1px solid #384f66;border-radius:5px;color:#e1eef9;margin-bottom:10px}.control-pair{display:flex;gap:7px}.control-pair button{flex:1;font-size:12px;padding:9px 5px}.primary{background:#167d89;border-color:#2794a0}.danger{background:#422427;border-color:#894448;color:#ffc3bd;width:100%;margin-top:10px;font-size:13px}#interlock{margin-top:12px;padding-top:12px;border-top:1px solid var(--line);font-size:12px;line-height:1.8;color:#b8ccda}.detail-name{font-size:21px;margin:5px 0 2px;color:#fff}.detail-tag{font-size:12px;color:var(--gold)}dl{display:grid;grid-template-columns:70px 1fr;gap:8px 10px;font-size:12px;margin:16px 0}dt{color:#8fa7bf}dd{margin:0;color:#d5e5f2}.sequence{padding:16px 22px;margin-top:18px;display:flex;align-items:center;gap:34px}.sequence h2{font-size:15px}.sequence ol{display:flex;list-style:none;gap:10px;padding:0;flex:1;margin:0;counter-reset:step}.sequence li{counter-increment:step;color:#8099af;font-size:12px;flex:1;border-top:3px solid #314559;padding-top:9px}.sequence li:before{content:counter(step) '  ';color:#78929e}.sequence li.done{border-color:#67cdb8;color:#d8eee8}.page-heading{display:flex;justify-content:space-between;align-items:center;margin:12px 0 24px;gap:24px}.page-heading h2{font-size:25px}.page-heading p{color:var(--muted)}.filters{display:flex;align-items:end;gap:12px}.filters label{font-size:12px;color:var(--muted)}input,select{display:block;background:#102033;border:1px solid #365167;border-radius:5px;color:#eff7ff;padding:9px}.chart-panel{padding:20px;margin-bottom:20px}#chart svg{width:100%;height:270px;display:block}#chart .empty{padding:90px;text-align:center;color:#91a8be}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;max-height:400px}table{border-collapse:collapse;width:100%;font-size:14px;white-space:nowrap}th{text-align:left;background:#192e43;color:#a9c5d8;position:sticky;top:0}td,th{padding:13px 20px;border-bottom:1px solid var(--line)}tbody tr:nth-child(even){background:#0d1c2b}.alarm{color:#ffb077}#alarmSummary{padding:14px 18px;margin-bottom:16px;border:1px solid #40586d;background:#142a3c;border-radius:6px}footer{display:flex;justify-content:space-between;gap:15px;padding:12px 28px 20px;color:#67869e;font-size:12px}#toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#204757;color:#fff;border:1px solid #68b3c4;padding:12px 24px;border-radius:6px;z-index:10;display:none}#webglError{padding:150px 50px}button[aria-pressed=true]{color:#7cfff0;border-color:#67cebf}@media(min-width:1700px){#scene{min-height:620px}.workspace{grid-template-columns:238px minmax(380px,1fr) 300px}}@media(max-width:1150px){header{gap:16px;padding:14px 18px}header img{width:130px}.heading{padding-left:15px}h1{font-size:19px}#clock{display:none}.workspace{grid-template-columns:170px minmax(350px,1fr)}.details{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.details hr{display:none}.details .panel-title,.details #deviceDetail{grid-column:1}.details>h3{grid-column:2;grid-row:1}.details>.hint{grid-column:2;grid-row:2}.sequence{display:block}.sequence ol{margin-top:14px}nav>span{display:none}.page-heading{display:block}.filters{margin-top:15px}}@media(max-width:700px){header{height:auto;flex-wrap:wrap;gap:10px}.heading{flex:1}header img{width:95px}.heading small{font-size:12px}h1{font-size:16px;letter-spacing:0}.demo{margin:0;font-size:12px}nav{padding:8px;gap:0}nav button{padding:10px;font-size:12px}.view{padding:12px}.metrics{gap:8px;grid-template-columns:1fr 1fr}.metrics article{padding:10px}.metrics strong{font-size:24px}.workspace{display:flex;flex-direction:column}.equipment{order:2}.scene-panel{order:1;min-height:420px}#scene{min-height:420px;height:420px}.details{order:3;display:block}.equipment #deviceList{display:grid;grid-template-columns:1fr 1fr}.scene-head{display:block}.camera-tools{margin-top:10px}.scene-note{font-size:10px}.scene-note span{display:none}.label3d{font-size:10px}.sequence ol{flex-wrap:wrap}.sequence li{min-width:28%}.filters{flex-wrap:wrap}.filters label{flex:1}footer{flex-direction:column;padding:15px}.page-heading h2{font-size:21px}}
/* Multi-camera demo wall */
.monitor-preview{margin-top:18px;padding:18px;background:#101f30;border:1px solid #26394d;border-radius:8px}.monitor-preview .hint{margin-bottom:0;font-size:12px}#cameraStrip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.camera-card{min-width:0;background:#0c1825;border:1px solid #31495d;border-radius:7px;overflow:hidden}.camera-picture{display:block;padding:0;border:0;border-radius:0;width:100%;aspect-ratio:16/9;position:relative;overflow:hidden;background:#0b1521}.camera-picture canvas{width:100%;height:100%;display:block}.camera-badge,.camera-time,.camera-watermark{position:absolute;pointer-events:none;font-size:11px;padding:3px 6px;background:#081522b8;color:#a6edd8}.camera-badge{top:9px;left:9px}.camera-time{top:9px;right:9px;color:#d6e6f5;font-family:monospace}.camera-watermark{bottom:10px;right:9px;color:#c5d3e0;font-size:10px}.camera-caption{display:flex;justify-content:space-between;gap:8px;align-items:center;padding:10px 12px}.camera-caption small{font:11px monospace;color:#75a5bb;display:block}.camera-caption strong{font-size:13px;font-weight:500}.camera-caption button{font-size:12px;padding:6px 9px}.video-toolbar{display:flex;gap:9px;align-items:center;flex-wrap:wrap}.video-status{display:flex;justify-content:space-between;align-items:center;color:#e8be73;margin-bottom:15px}.video-status>div{display:flex;align-items:center;gap:16px;color:#8fa7bf}.video-status button{padding:6px 10px}#cameraGrid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}#cameraGrid[data-layout="9"]{grid-template-columns:repeat(3,minmax(0,1fr))}.camera-spare{display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px dashed #344a61;border-radius:8px;background:#0d1a29;color:#7d98ac;text-align:center;min-height:180px}.camera-spare>span{font-size:36px;color:#416279}.camera-spare p{font-size:12px}.video-test{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:20px 0 10px}.video-test p{color:#8fa7bf;font-size:12px}.signal-lost{border-color:#9a6737}.signal-lost .camera-badge{color:#ffc280}#cameraDialog{width:min(1050px,94vw);max-height:94vh;overflow:auto;background:#0f2031;border:1px solid #52758e;border-radius:10px;padding:20px;color:#e9f5ff}#cameraDialog::backdrop{background:#010810df;backdrop-filter:blur(5px)}#cameraDialog .video-toolbar{margin-top:14px}#cameraDialogBody .camera-picture{max-height:65vh}#cameraDialogBody .camera-picture canvas{object-fit:contain}#cameraDialogBody .camera-picture{cursor:default}#cameraDialogBody .camera-badge{font-size:14px}#cameraDialogBody .camera-time{font-size:14px}@media(max-width:1000px){#cameraStrip{grid-template-columns:repeat(2,minmax(0,1fr))}.camera-time{font-size:9px}#cameraGrid[data-layout="9"]{grid-template-columns:repeat(2,minmax(0,1fr))}nav{flex-wrap:wrap}}@media(max-width:600px){#cameraGrid,#cameraGrid[data-layout="9"]{grid-template-columns:1fr}.video-status{gap:10px;flex-wrap:wrap}.camera-time{font-size:10px}#cameraStrip .camera-time,#cameraStrip .camera-watermark{display:none}#cameraStrip .camera-badge{font-size:9px;top:4px;left:4px}.monitor-preview{padding:10px}.monitor-preview h2{font-size:14px}.monitor-preview .panel-title button{font-size:11px;padding:6px}.camera-caption{padding:7px}.camera-caption strong{font-size:12px}#cameraDialog{padding:10px}}

.flow-panel{margin:16px 0;padding:18px;background:#112331;border:1px solid #304959;border-radius:12px}.flow-heading{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:12px}.flow-heading span{font-size:12px;color:#b5cbd6}.flow-heading button{margin-left:auto}.flow-routes{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.flow-routes button{text-align:left;border-left:3px solid var(--route-color);padding:10px 12px;min-width:0;background:#142b3a}.flow-routes b,.flow-routes span,.flow-routes em{display:block}.flow-routes b{color:var(--route-color);font-size:13px}.flow-routes span{font-size:11px;line-height:1.8;margin-top:4px;white-space:normal}.flow-routes em{font-size:10px;font-style:normal;color:#7d9aaa}.flow-routes .flowing em{color:#72e7b6}.flow-routes .chosen{outline:2px solid var(--route-color);background:#244052}.flow-panel p{font-size:11px;color:#91aabb;margin-bottom:0}@media(max-width:1000px){.flow-routes{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:480px){.flow-heading{gap:8px}.flow-heading span{width:100%;font-size:11px}.flow-routes{grid-template-columns:1fr}.flow-panel{padding:12px}}

@media(min-width:1151px){.workspace{grid-template-columns:190px minmax(380px,1fr) 250px}#scene{height:660px;min-height:660px}}

/* Engraved brushed-metal equipment nameplates, shared by all 3D labels. */
.label3d{
 padding:6px 20px;min-height:31px;border-radius:3px;
 border:1px solid #d0d8db;color:#15232b;font-weight:700;letter-spacing:.3px;
 background:repeating-linear-gradient(0deg,#ffffff12 0px,#ffffff12 1px,#28373e0d 1px,#28373e0d 2px),linear-gradient(112deg,#8d9ba4 0%,#d4dde0 20%,#f2f4f3 44%,#b3c0c6 66%,#e0e5e6 82%,#899aa4 100%);
 box-shadow:inset 0 1px 0 #ffffffdd,inset 0 -2px 0 #42505a77,0 3px 7px #0009;
 text-shadow:0 1px 0 #ffffffb8;
}
.label3d::before,.label3d::after{
 content:'';position:absolute;top:50%;width:6px;height:6px;transform:translateY(-50%);
 border:1px solid #63717c;border-radius:50%;
 background:linear-gradient(135deg,transparent 42%,#46525b 44%,#46525b 56%,transparent 58%),radial-gradient(circle at 30% 25%,#fbffff,#acb8c1 60%,#687884);
 box-shadow:0 1px 1px #fff9;
}
.label3d::before{left:6px}.label3d::after{right:6px}
.label3d:hover{color:#111e25;border-color:#f4ffff;filter:brightness(1.1)}
.label3d.selected{color:#17232a;border-color:#f0c874;outline:1px solid #e7b85c;outline-offset:2px;box-shadow:inset 0 1px 0 #fff,inset 0 -2px 0 #42505a77,0 3px 8px #0009,0 0 12px #efb95f44}
.label3d:focus-visible{outline:2px solid #65e8f4;outline-offset:3px}
@media(max-width:700px){.label3d{font-size:10px;padding:5px 16px;min-height:27px}.label3d::before{left:4px}.label3d::after{right:4px}}

/* Owner at left, centered project title, technology provider at right. */
header.brand-header{height:126px;display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,1.8fr) minmax(240px,1fr);align-items:center;gap:24px;padding:12px 28px;background:linear-gradient(110deg,#0a1828,#0d2235 50%,#0a1828)}
.brand-header .owner-brand{min-width:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.brand-header .owner-logo{width:240px;height:67px;object-fit:contain;object-position:left center;filter:drop-shadow(0 2px 1px #000b) drop-shadow(0 0 3px #bacfdf26);margin-top:-9px;background:none}
.brand-header .mine-name{font-size:23px;font-weight:600;letter-spacing:1px;color:#e8f2f8;line-height:1.4;margin-top:-7px;white-space:nowrap}
.brand-header .heading{border:0;padding:0;min-width:0;text-align:center}
.brand-header h1{font-size:clamp(23px,2.05vw,36px);letter-spacing:2px;font-weight:650;line-height:1.5;margin:0 0 9px;white-space:nowrap;text-shadow:0 2px 14px #4abddd22}
.brand-header .demo{display:inline-block;margin:0;padding:3px 12px;font-size:12px;letter-spacing:1px}
.brand-header .provider-brand{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:2px;min-width:0}
.brand-header .provider-logo{width:190px;height:61px;object-fit:contain;object-position:right center}
.brand-header #clock{display:block;font-size:12px;letter-spacing:.4px;white-space:nowrap}
@media(max-width:1200px){header.brand-header{grid-template-columns:minmax(205px,1fr) minmax(0,1.8fr) minmax(205px,1fr);gap:15px;padding:12px 20px}.brand-header .owner-logo{width:205px;height:61px}.brand-header .mine-name{font-size:20px;letter-spacing:0}.brand-header h1{font-size:24px;letter-spacing:1px}.brand-header .provider-logo{width:160px}}
@media(max-width:900px){header.brand-header{grid-template-columns:1fr 1fr;height:auto;gap:10px 16px;padding:12px 18px}.brand-header .owner-brand{grid-column:1;grid-row:1}.brand-header .provider-brand{grid-column:2;grid-row:1}.brand-header .heading{grid-column:1/-1;grid-row:2}.brand-header h1{font-size:26px;white-space:normal}.brand-header .mine-name{font-size:20px}.brand-header .demo{font-size:11px}}
@media(max-width:480px){header.brand-header{padding:10px 12px;gap:12px 8px}.brand-header .owner-logo{width:174px;height:53px}.brand-header .mine-name{font-size:17px}.brand-header .provider-logo{width:126px;height:46px}.brand-header #clock{font-size:10px;letter-spacing:0}.brand-header h1{font-size:22px;letter-spacing:.5px;margin-bottom:7px}}

.model-status{position:absolute;left:14px;bottom:12px;z-index:3;font-size:11px;letter-spacing:.08em;color:#a8c0cb;background:rgba(13,28,39,.82);border:1px solid #4b616c;border-radius:5px;padding:7px 11px;pointer-events:none}

/* Public demo navigation and accessible responsive framing */
.public-demo-nav{display:flex;gap:20px;align-items:center;padding:10px 24px;background:#071724;color:#99cddd;font:12px/1.7 system-ui,sans-serif;border-bottom:1px solid #245063;flex-wrap:wrap}.public-demo-nav a{color:#9eeaf8;text-decoration:none}.public-demo-nav span{margin-left:auto;color:#e7bd79}.public-demo-nav a:hover{text-decoration:underline}@media(max-width:600px){.public-demo-nav{gap:10px;padding:9px 14px}.public-demo-nav span{margin-left:0;width:100%}}@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}

.brand-header .owner-logo{width:240px;height:auto;max-height:85px;object-fit:contain;margin:0;filter:none}.brand-header .mine-name{font-size:15px;margin:2px 0 0;color:#83b4c8}.brand img{height:auto;max-height:76px;object-fit:contain}.entrance-thumb{background-size:cover;background-position:center}@media(max-width:540px){.brand-header .owner-logo{width:168px}.brand-header .mine-name{font-size:12px}.brand img{width:126px;height:auto}}

/* Compact mobile process overview; desktop camera and layout remain unchanged. */
@media(max-width:600px){.scene-panel{height:360px;min-height:360px}#scene{height:360px;min-height:360px}.scene-head{left:10px;right:10px;top:10px;flex-direction:column;gap:6px}.scene-head h2{font-size:14px}.scene-head .eyebrow{font-size:8px;margin-bottom:2px}.scene-head .camera-tools{flex-wrap:wrap;gap:4px}.scene-head button{font-size:10px;padding:5px 7px}.label3d{font-size:9px;padding:2px 4px}.scene-note{left:10px;right:10px;bottom:8px;font-size:10px}.scene-note span{font-size:9px}.model-status{font-size:10px}}