:root{color-scheme:light;--paper:#f3f4f1;--ink:#25343a;--muted:#77858a;--line:#d5dcd9;--red:#b9303e;--business:#9a7549;--first:#934a55;--second:#4d718a}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:14px/1.6 "PingFang SC","Microsoft YaHei",system-ui,sans-serif}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible{outline:3px solid var(--red);outline-offset:4px}button:disabled{cursor:default;opacity:.48}button[hidden],[hidden]{display:none!important}.topbar{height:78px;padding:0 4vw;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:19px;font-weight:650;letter-spacing:.08em}.brand-symbol{width:36px;height:36px;background:var(--red);color:white;border-radius:7px 15px 7px 7px;display:grid;place-items:center;font:italic 700 13px Arial;letter-spacing:-.06em}.brand-sub{display:block;font:9px/1.2 system-ui;letter-spacing:.2em;color:var(--muted);margin-top:3px}.topbar nav{display:flex;gap:27px;align-items:center;font-size:12px;color:var(--muted)}.topbar nav a:hover,.topbar nav a[aria-current]{color:var(--red)}main{width:min(1680px,92vw);margin:0 auto;padding:30px 0 18px}.intro{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:23px}.eyebrow{font:10px/1.5 system-ui;letter-spacing:.16em;color:var(--muted);margin:0 0 7px}h1{font-size:clamp(28px,3.2vw,43px);letter-spacing:-.03em;font-weight:600;line-height:1.25;margin:0}.title-dot{color:var(--red)}.intro-note{font-size:12px;color:var(--muted);text-align:right;margin:0 0 3px}.workspace{position:relative;isolation:isolate;height:clamp(490px,calc(100dvh - 300px),820px);border:1px solid #bfcac7;border-radius:10px;overflow:hidden;background:#b5c9c9}.viewport{position:absolute;inset:0;touch-action:none}.viewport canvas{width:100%;height:100%;display:block;outline:0}.file-fallback{width:100%;height:100%;object-fit:cover;display:none}.view-label{position:absolute;top:20px;left:22px;display:flex;align-items:center;gap:10px;color:#273b40;font-size:11px;background:#ffffffb8;border:1px solid #ffffff70;padding:8px 12px;border-radius:5px;pointer-events:none}.live-dot{width:6px;height:6px;border-radius:50%;background:#b62c40}.view-divider{height:11px;width:1px;background:#53666650}.view-tools{position:absolute;right:20px;top:20px;display:flex;gap:8px}.view-tools button{border:1px solid #ffffff90;background:#ffffffb8;color:#354c51;padding:7px 12px;border-radius:5px;font-size:11px}.view-tools button:hover{background:#fff}.coach-card{position:absolute;bottom:24px;left:24px;width:280px;background:#f7faf7ef;padding:21px 23px 22px;border:1px solid #ffffff90;border-radius:8px;box-shadow:0 8px 35px #142d3912}.coach-card h2{font-size:23px;line-height:1.3;font-weight:550;margin:0 0 10px}.coach-card>p:not(.eyebrow){font-size:12px;line-height:1.8;color:#6b7d83;margin:0 0 16px}.primary{display:flex;align-items:center;justify-content:space-between;background:var(--red);color:white;border:0;padding:10px 13px;width:100%;border-radius:4px;font-size:12px}.primary:hover:not(:disabled){background:#9e2230}.primary span{font-size:18px}.view-hint{position:absolute;bottom:24px;right:23px;font-size:10px;color:#273b40;background:#ffffffb8;padding:6px 11px;border-radius:4px;pointer-events:none}.view-hint span{opacity:.5;padding:0 7px}.loader{position:absolute;inset:0;z-index:9;background:#d0dbd7ef;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;color:#3b5055}.loader strong{font-size:14px;font-weight:500}.loader small{color:#77888b;font-size:11px}.loader-spinner{width:30px;height:30px;border:2px solid #97abaa;border-top-color:var(--red);border-radius:50%;animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;padding:25px;background:#fff;border-radius:8px;width:min(440px,90%);box-shadow:0 15px 60px #21363640}.error strong{font-size:20px}.error p{color:var(--muted);font-size:13px}.error a{color:var(--red);font-size:12px}.error button{background:#fff;border:1px solid var(--line);padding:6px 10px;border-radius:4px;margin-left:15px;font-size:12px}.formation{margin-top:19px}.formation-heading{display:flex;justify-content:space-between;margin:0 0 10px;font-size:11px;color:var(--muted)}.formation-heading strong{color:var(--ink);font-weight:500}.formation-cars{display:grid;grid-template-columns:repeat(8,minmax(0,1fr));gap:6px}.formation-cars button{background:#fff;border:1px solid var(--line);border-bottom:3px solid var(--muted);border-radius:4px;display:flex;align-items:center;justify-content:space-between;gap:7px;padding:10px 11px;color:var(--ink);transition:background .15s}.formation-cars button:first-child{border-top-left-radius:19px}.formation-cars button:last-child{border-top-right-radius:19px}.formation-cars small{font:10px system-ui;color:var(--muted)}.formation-cars strong{font-size:12px;font-weight:500}.formation-cars span{font:9px system-ui;color:var(--muted)}.formation-cars .business{border-bottom-color:var(--business)}.formation-cars .first{border-bottom-color:var(--first)}.formation-cars .second{border-bottom-color:var(--second)}.formation-cars button.selected{background:#253b41;border-color:#253b41;color:white}.formation-cars button.selected small,.formation-cars button.selected span{color:#b4c6c7}.formation-cars button:hover{background:#e6eeeb}.formation-cars button.selected:hover{background:#344e55}footer{display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted);margin-top:22px}footer a:hover{color:var(--red)}.walk-controls{position:absolute;right:22px;bottom:57px;text-align:center}.walk-controls button{border:1px solid #ffffff90;background:#f8fcf5d9;color:#34474e;width:37px;height:34px;border-radius:4px;margin:2px;touch-action:none;user-select:none}.walk-controls>div{display:flex}.workspace.inside .coach-card{bottom:20px;width:225px;padding:15px 18px}.workspace.inside .coach-card h2{font-size:20px}.workspace.inside .coach-card>p:not(.eyebrow){margin-bottom:10px;font-size:11px}.workspace.inside .coach-card .primary{display:none}.workspace.inside .view-label{background:#edf2e9dd}.workspace.inside .view-hint{background:#edf2e9dd}.asset-layout{display:grid;grid-template-columns:minmax(0,1fr) 290px;gap:20px}.asset-layout .workspace{height:clamp(500px,calc(100dvh - 235px),900px)}.asset-panel{border:1px solid var(--line);border-radius:9px;background:#fff;padding:24px}.asset-panel h2{font-size:25px;line-height:1.35;font-weight:550;margin:0 0 14px}.asset-panel p{font-size:12px;color:var(--muted)}.asset-options{display:grid;gap:7px;margin-bottom:30px}.asset-options button{border:1px solid var(--line);background:#fff;text-align:left;padding:10px 12px;border-radius:4px;font-size:12px;display:flex;justify-content:space-between}.asset-options button.selected{background:#253b41;border-color:#253b41;color:#fff}.asset-options small{opacity:.6;font:9px/2 system-ui}.asset-meta{border-top:1px solid var(--line);padding-top:15px}.asset-meta dl{display:grid;grid-template-columns:1fr 1fr;font-size:11px;row-gap:8px;margin:0 0 20px}.asset-meta dt{color:var(--muted)}.asset-meta dd{margin:0;text-align:right}.asset-links{display:grid;gap:8px;font-size:11px}.asset-links a{color:#a22736}.asset-reference{width:100%;max-height:175px;object-fit:contain;background:#eef0ed;border-radius:4px;margin-top:16px}.renders{margin-top:35px}.renders h2{font-size:22px;font-weight:550;margin:0 0 16px}.render-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.render-grid figure{margin:0;background:#fff;border:1px solid var(--line);border-radius:7px;overflow:hidden}.render-grid img{display:block;width:100%;aspect-ratio:1.5;object-fit:cover}.render-grid figcaption{padding:12px 16px;font-size:12px}.render-grid .wide{grid-column:1/-1}.render-grid .wide img{aspect-ratio:2.3;object-fit:contain;background:#50656d}
@media(max-width:1000px){.formation-cars button{flex-direction:column;gap:2px;padding:9px 3px}.coach-card{width:245px}.topbar nav{gap:15px}.asset-layout{grid-template-columns:minmax(0,1fr) 240px}.asset-panel{padding:18px}.view-hint{font-size:9px}}@media(max-width:700px){.topbar{padding:0 5vw;height:67px}.brand{font-size:16px;gap:9px}.brand-symbol{width:29px;height:29px;font-size:11px}.topbar nav{gap:12px;font-size:10px}.topbar nav a:last-child{display:none}main{width:92vw;padding-top:22px}.intro{margin-bottom:18px}.intro-note{font-size:10px}.eyebrow{font-size:9px}h1{font-size:29px}.workspace{height:580px;min-height:480px}.view-label{top:13px;left:12px;font-size:9px;gap:7px;padding:7px 9px}.view-tools{right:12px;top:51px}.view-tools button{padding:5px 9px;font-size:10px}.coach-card{left:13px;bottom:45px;width:220px;padding:14px 17px}.coach-card h2{font-size:20px}.coach-card>p:not(.eyebrow){font-size:11px;line-height:1.7;margin-bottom:10px}.view-hint{left:13px;right:auto;bottom:12px;font-size:9px}.formation-cars{gap:4px}.formation-cars button{padding:9px 2px}.formation-cars strong{font-size:10px}.formation-cars small{font-size:9px}.formation-cars span{font-size:8px}.formation-heading{font-size:10px}footer{flex-wrap:wrap;gap:7px;font-size:9px}.walk-controls{right:13px;bottom:57px}.workspace.inside .coach-card{width:180px;bottom:45px;padding:13px}.workspace.inside .coach-card h2{font-size:17px}.asset-layout{display:flex;flex-direction:column;gap:14px}.asset-layout .workspace{height:480px;min-height:450px}.asset-panel{padding:20px}.asset-options{grid-template-columns:repeat(3,1fr);gap:5px;margin-bottom:18px}.asset-options button{font-size:10px;padding:8px}.asset-options small{display:none}.asset-reference{max-height:200px}.render-grid{grid-template-columns:1fr}.render-grid .wide img{aspect-ratio:1.5}}@media(prefers-reduced-motion:reduce){.loader-spinner{animation:none}*{scroll-behavior:auto;transition:none!important}}

.walk-status{position:absolute;top:66px;left:22px;display:flex;align-items:center;gap:9px;font-size:10px;color:#566967;background:#f8faf3dd;padding:6px 11px;border-radius:4px;pointer-events:none}.avatar-mark{color:#a7362c;border-right:1px solid #8f9f9850;padding-right:9px}.workspace.inside .coach-card{width:210px;opacity:.93}.workspace.inside .coach-card>p:not(.eyebrow){line-height:1.7}@media(max-width:700px){.walk-status{top:53px;left:12px;max-width:calc(100% - 154px);font-size:9px;padding:6px 8px;gap:6px}.workspace.inside .coach-card{width:174px}.workspace.inside .view-hint{font-size:8px}}
.run-status{position:absolute;top:65px;right:20px;display:flex;align-items:center;gap:7px;padding:5px 10px;background:#f5faf4d9;border:1px solid #ffffff70;border-radius:4px;color:#345b52;font:10px/1.5 system-ui;pointer-events:none}.run-indicator{width:5px;height:5px;border-radius:50%;background:#368c73}.train-paused .run-indicator{background:#8a9690}.train-paused .run-status{color:#6e7c78}.workspace .view-label{max-width:calc(100% - 325px)}@media(max-width:850px){.view-label #view-detail,.view-label .view-divider{display:none}}@media(max-width:700px){.workspace .view-label{max-width:calc(100% - 135px)}.run-status{top:13px;right:12px;font-size:9px;padding:6px 9px}.view-tools{top:53px}.walk-status{top:92px;max-width:calc(100% - 24px)}}
.run-status{flex-direction:column;align-items:flex-end;gap:2px}.run-status>div{display:flex;align-items:center;gap:7px}#run-distance{font-variant-numeric:tabular-nums;font-size:9px;opacity:.8}.train-marker{position:absolute;display:flex;align-items:center;gap:6px;transform:translate(-50%,-100%);padding:5px 8px;background:#a82435ed;color:#fff;border:1px solid #ffffffc9;border-radius:5px;box-shadow:0 3px 10px #263b4020;pointer-events:none;z-index:1;font-size:10px;white-space:nowrap}.train-marker:after{content:"";position:absolute;left:calc(50% - 4px);bottom:-5px;border-top:5px solid #a82435;border-left:4px solid transparent;border-right:4px solid transparent}.train-marker strong{font-weight:500}#train-direction{display:inline-block;font-size:11px;line-height:1}.view-tools,.view-label,.run-status{z-index:3}.coach-card{z-index:2}.workspace:not(.has-car-selection) .coach-card{display:none}