/* Smart-factory diagram: restyled equipment drawing (conceptual) as hero + data relationships. Component scoped (.sf-*).
   Blue = data relationships only; yellow = the selected feature only. Equipment bitmap is never animated. */
.sf-source{--sf-ink:#1e2830;--sf-ink2:#55626b;--sf-line:#d9d5cc;--sf-paper:#f7f5f0;--sf-data:var(--data,#3b78b8);--sf-data-soft:#b4c8da;--sf-data-glow:#8fc0ef;--sf-pick:#e2b23a;--sf-pick-ink:#8a6510;margin:0;display:flex;flex-direction:column;background:var(--sf-paper);color:var(--sf-ink);border:1px solid var(--sf-line);overflow-anchor:none}
.sf-source>figcaption{order:0}
/* Upper stratum: Big Data -> analysis -> preventive maintenance */
.sf-source-intelligence{order:1;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:56px;background:#1f272d;color:#eef1f2;padding:20px 32px 22px;position:relative}
.sf-source-intelligence>section{display:flex;gap:14px;align-items:flex-start;position:relative;min-width:0;padding:4px 0}
.sf-link{position:absolute;left:-43px;top:0;color:#b5c4ce;font-size:28px;font-style:normal;line-height:32px;pointer-events:none}
.sf-data-icon{width:30px;height:30px;flex:0 0 30px;stroke:#9fb2bf;stroke-width:1.4;margin-top:2px}
#main .sf-source h3{font-size:17px;font-weight:600;line-height:1.35;letter-spacing:-.02em;margin:0 0 6px}
#main .sf-source p{font-size:15px;line-height:1.6;word-break:keep-all;text-wrap:pretty;margin:0;max-width:none}
#main .sf-source-intelligence p{color:#c3ccd2}
#main .sf-source-cycle{position:relative;list-style:none;display:flex;flex-direction:column;gap:7px;margin:16px 0 0;padding:0 0 0 35px}
.sf-source-cycle:before{content:'↻';position:absolute;left:0;top:50%;transform:translateY(-50%);color:#a9bdca;font-size:29px;line-height:1}
#main .sf-source-cycle li{font-size:14px;line-height:1.5;margin:0;padding:0;color:#d5dde2;display:flex;align-items:center;gap:10px}
.sf-source-cycle li:before{content:'01';font-size:11px;font-variant-numeric:tabular-nums;color:#8eabbc}
.sf-source-cycle li:nth-child(2):before{content:'02'}
.sf-source-cycle li:nth-child(3):before{content:'03'}
/* Lower stratum: IoT, drawing and annotation strip */
.sf-source-field{order:2;display:grid;grid-template-columns:minmax(0,1fr) auto;grid-template-areas:'bridge foot' 'floor floor';align-items:center;column-gap:24px;padding:0 32px 28px}
.sf-source-bridge{grid-area:bridge;display:flex;align-items:center;gap:14px;padding:14px 0;min-width:0}
.sf-source-iot{order:0;position:relative;display:inline-flex;align-items:center;gap:8px;padding:4px 12px;background:#fff;border:1px solid var(--sf-data-soft);color:#21405c;font-size:14px;line-height:1.4;white-space:nowrap}
.sf-source-iot>span{color:var(--sf-data);font-size:16px;line-height:1}
.sf-source-iot small{font-size:13px;color:var(--sf-ink2)}
#main .sf-source-bridge h3{order:1;margin:0;font-size:14px;font-weight:500;color:var(--sf-ink2)}

.sf-drawing-foot{grid-area:foot;display:flex;align-items:center;gap:16px;font-size:13px;color:#7a858c}
.sf-source-enlarge{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 2px;background:none;border:0;color:var(--sf-ink);font:inherit;font-size:14px;cursor:pointer}
.sf-source-enlarge>span{font-size:18px;color:var(--sf-ink2)}
.sf-source-enlarge:hover{color:var(--sf-data)}
.sf-source-floor{grid-area:floor;position:relative;min-width:0}
.sf-source-drawing{position:relative;z-index:1}
.sf-drawing-plane{position:relative;border:0}
.sf-equipment-art{display:block;width:100%;height:auto;overflow:visible;mix-blend-mode:multiply}
.sf-equipment-ring{fill:none;stroke:var(--sf-pick);stroke-width:2.5;vector-effect:non-scaling-stroke;opacity:0;transition:opacity .18s;pointer-events:none;transform-box:fill-box;transform-origin:center}
.sf-equipment-ring.is-active{opacity:1}
.sf-drawing-pin{position:absolute;left:var(--pin-x);top:var(--pin-y);z-index:2;width:44px;height:44px;margin:0;padding:0;transform:translate(-50%,-50%);border:0;border-radius:50%;background:none;cursor:pointer;display:grid;place-items:center}
.sf-drawing-pin>span{width:12px;height:12px;border-radius:50%;background:#fff;border:2px solid var(--sf-data);box-shadow:0 0 0 3px #ffffffb3;transition:background .18s,border-color .18s}
@media(hover:hover){.sf-drawing-pin:hover>span{background:#e6eff8}}
.sf-drawing-pin.is-active>span{background:var(--sf-pick);border-color:var(--sf-pick-ink)}
.sf-source-notes{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));column-gap:24px;margin-top:20px}
.sf-source-note{position:relative;min-width:0;padding:14px 16px 16px;border-radius:4px;transition:background .18s}
.sf-source-note.is-active{background:#e2b23a0d}
.sf-source-note.is-active .sf-note-select{color:var(--sf-pick-ink)}
#main .sf-source-note h3{display:flex;align-items:center;gap:2px;font-size:16px;margin:0 0 2px}
.sf-note-select{display:flex;flex:1;min-width:0;align-items:center;gap:9px;min-height:44px;padding:0;background:none;border:0;color:inherit;font:inherit;letter-spacing:inherit;text-align:left;cursor:pointer;overflow-wrap:anywhere}
.sf-note-select>span{width:9px;height:9px;flex:0 0 9px;border-radius:50%;border:1.5px solid var(--sf-data);background:#fff;transition:background .18s,border-color .18s}
@media(hover:hover){.sf-note-select:hover{color:var(--sf-data)}}
.sf-source-note.is-active .sf-note-select>span{background:var(--sf-pick);border-color:var(--sf-pick-ink)}
#main .sf-source-note p{font-size:15px;color:var(--sf-ink2);padding-left:18px}
.sf-product-link{display:inline-flex;flex-shrink:0;align-items:center;justify-content:center;min-width:44px;min-height:44px;color:#7d8a93;font-size:16px;text-decoration:none}
.sf-product-link:hover{color:var(--sf-data)}
.sf-source :is(button,a):focus-visible{outline:2px solid var(--sf-data);outline-offset:3px}
.sf-source-intelligence :is(button,a):focus-visible{outline-color:var(--sf-data-glow)}
@media(min-width:1700px){#main .sf-source p{font-size:16px}.sf-source-intelligence{padding-inline:40px}.sf-source-field{padding-inline:40px}}
@media(max-width:1280px){.sf-source-notes{grid-template-columns:repeat(3,minmax(0,1fr));row-gap:16px}}
@media(max-width:1100px){
 .sf-source-intelligence{column-gap:36px;padding:18px 24px 20px}.sf-link{left:-29px;font-size:24px}.sf-data-icon{display:none}
 .sf-source-field{padding:0 24px 24px}
}
@media(max-width:700px){
 .sf-source-intelligence{order:3;grid-template-columns:1fr;row-gap:26px;padding:20px 18px 22px}
 .sf-source-intelligence>section{padding:0}
 .sf-data-icon{display:block;width:26px;height:26px;flex-basis:26px}
 .sf-link{left:3px;top:-27px;font-size:22px;line-height:22px;transform:rotate(90deg)}
 .sf-source-field{display:flex;flex-direction:column;align-items:stretch;padding:4px 14px 18px}
 .sf-drawing-foot{order:0;justify-content:space-between;gap:8px}
 .sf-source-floor{order:1}
 .sf-source-bridge{order:2;padding:14px 0 0;flex-wrap:wrap;gap:8px 12px}
 .sf-source-iot>span{rotate:180deg}
 .sf-source-notes{grid-template-columns:1fr;row-gap:0;margin-top:12px}
 .sf-source-note{padding:12px 14px 16px}
 .sf-drawing-pin>span{width:9px;height:9px;border-width:1.5px;box-shadow:0 0 0 2px #ffffffb3}
}
@media(prefers-reduced-motion:reduce){.sf-source *{transition:none!important}}
.sf-source-dialog{width:min(1350px,calc(100% - 40px));max-width:none;max-height:calc(100dvh - 40px);padding:0;border:0;background:#fff;color:#202a30}
.sf-source-dialog::backdrop{background:#101820b8}
.sf-source-dialog-head{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid #dce1e3}
.sf-source-dialog-head h2{font-size:20px;margin:0}
.sf-source-dialog-head form{margin:0}
.sf-source-dialog-head button{display:flex;align-items:center;gap:16px;font:inherit;font-size:15px;background:none;border:0;padding:8px;min-height:44px;cursor:pointer;color:inherit}
.sf-source-dialog-image{overflow:auto;max-height:calc(100dvh - 145px);padding:16px}
.sf-source-dialog-image img{display:block;width:100%;min-width:1000px;height:auto;max-width:none}
html:has(.sf-source-dialog[open]){overflow:hidden}
@media(max-width:700px){.sf-source-dialog{width:calc(100% - 20px);max-height:calc(100dvh - 20px)}.sf-source-dialog-head{padding:12px 16px}.sf-source-dialog-head h2{font-size:18px}.sf-source-dialog-image{padding:8px}}