:root{color-scheme:dark;--bg:#080c12;--panel:#10161f;--line:#252e3a;--fg:#f5f6f9;--muted:#9ba8ba;--orange:#ff6d32;--blue:#52c8ff}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}button,a,input{touch-action:manipulation}button{font:inherit;color:inherit;cursor:pointer;border:1px solid var(--line);background:#171f2a;border-radius:7px;padding:8px 14px;transition:background .18s,border-color .18s}button:hover{background:#263342;border-color:#7b8797}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--orange);outline-offset:3px}button.active,button[aria-pressed=true]{background:#54281b;border-color:var(--orange);color:#ffae87}button.primary{background:var(--orange);border-color:var(--orange);color:#160b05;font-weight:750}button.primary:hover{background:#ff8d5c}button:disabled{opacity:.4;cursor:default}a{color:inherit}header{height:90px;padding:0 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#0c1118}.brand{display:flex;align-items:center;gap:14px}.brand-mark{font-weight:900;font-style:italic;font-size:36px;letter-spacing:-5px;color:var(--orange);width:53px}.brand-cn{font-size:27px;letter-spacing:5px;font-weight:800;line-height:1.2}.brand-en{font-size:12px;color:#afbdcb;letter-spacing:2.6px;margin-top:4px}.brand-note{margin-left:18px;padding-left:23px;border-left:1px solid #384251;font-size:14px;color:#c9d1da}header nav{display:flex;gap:8px}header nav button{background:transparent;border:0}header .nav-am{font-weight:800;color:var(--orange)}.intro{padding:23px 30px 19px;display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{font-family:ui-monospace,monospace;color:var(--orange);font-size:12px;letter-spacing:2px}.intro h1{font-size:27px;line-height:1.35;margin:4px 0 0;letter-spacing:1px}.intro p{margin:5px 0 0;color:var(--muted);font-size:14px}.viewtabs{display:flex;gap:4px;padding:4px;border:1px solid var(--line);border-radius:10px;background:#0d131c}.viewtabs button{border:0;background:transparent;padding:10px 19px}.viewtabs button.active{color:#fff;background:#303a48}.viewtabs .printtab{color:#ff9b70}.workspace{margin:0 24px;display:grid;grid-template-columns:205px minmax(300px,1fr) 310px;border:1px solid var(--line);border-radius:12px;overflow:hidden;min-height:620px;height:calc(100vh - 296px);max-height:840px;background:var(--panel)}.side{background:#101720;padding:18px 12px;overflow:auto;border-right:1px solid var(--line)}.tinyhead{font-size:12px;font-weight:650;letter-spacing:2px;color:#8c9bad;margin:0 8px 13px}.partlist{display:flex;flex-direction:column;gap:5px}.partlist button{background:transparent;border:1px solid transparent;border-radius:7px;width:100%;text-align:left;padding:11px 12px;line-height:1.45}.partlist button:hover{background:#1d2936}.partlist button.selected{background:#26313e;border-color:#465265}.partlist button.am-item{color:#ffab7a}.partlist button.am-item.selected{border-color:#bc5b31;background:#37261e}.num{font-size:11px;letter-spacing:1px;color:#647386;display:block;margin-bottom:3px}.partlist button b{font-size:14px;font-weight:550}.partlist button small{display:block;font-size:12px;color:#91a1b3;margin-top:4px}.side-divider{height:1px;background:var(--line);margin:17px 9px}.side-note{font-size:12px;line-height:1.8;color:#8a97a9;margin:10px}.stage{position:relative;overflow:hidden;background:radial-gradient(ellipse at 50% 40%,#233447 0%,#101c28 48%,#0c121b 80%)}#canvas{position:absolute;inset:0;touch-action:none;cursor:grab}#canvas:active{cursor:grabbing}#canvas canvas{display:block;width:100%;height:100%}.stage-heading{position:absolute;top:20px;left:23px;pointer-events:none;z-index:2}.stage-heading .name{font-weight:750;font-size:20px}.stage-heading .sub{font-size:12px;color:#93a8bc;letter-spacing:1px}.legend{display:flex;gap:14px;align-items:center;margin-top:9px;font-size:12px;color:#a0b1c3}.swatch{display:inline-block;width:7px;height:7px;border-radius:2px;margin-right:6px;background:#ff742e}.swatch.muted{background:#8a99a9}.stage-tools{position:absolute;right:15px;top:16px;display:flex;flex-direction:column;gap:7px;z-index:5}.stage-tools button{background:#121d29dd;font-size:12px;padding:6px 10px;backdrop-filter:blur(8px)}.stage-bottom{position:absolute;bottom:20px;left:20px;right:20px;z-index:5;pointer-events:none}.control-box{pointer-events:auto;padding:13px 15px 12px;border:1px solid #354353;border-radius:9px;background:#101924ee;backdrop-filter:blur(12px)}.slider-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px;font-size:13px}.slider-head span{color:#acbdce}.slider-head b{color:#ff9b66;font:700 17px ui-monospace,monospace}.slider-row{display:flex;align-items:center;gap:12px}.slider-row>span{white-space:nowrap;flex-shrink:0}.slider-row input{min-width:0;flex:1}input[type=range]{accent-color:var(--orange);width:100%;cursor:pointer}.control-actions{display:flex;gap:7px;flex-wrap:wrap;margin-top:9px}.control-actions button{font-size:12px;padding:5px 10px;flex:1;white-space:nowrap}.model-note{margin:9px 3px 0;font-size:11px;color:#8b9bae;line-height:1.6;text-align:center}.hint{position:absolute;left:22px;bottom:172px;font-size:12px;color:#7d91a6;pointer-events:none}#hotspots{position:absolute;inset:0;pointer-events:none}.hotspot{position:absolute;transform:translate(-50%,-50%);white-space:nowrap;pointer-events:auto;border:1px solid #4d6177;border-radius:4px;background:#101a26ed;padding:4px 8px;font-size:11px;box-shadow:0 4px 18px #0008}.hotspot.am{color:#ffb783;border-color:#f97739}.hotspot::before{content:'';width:5px;height:5px;background:currentColor;display:inline-block;border-radius:50%;margin-right:6px}.detail{padding:23px 21px;overflow:auto;background:linear-gradient(160deg,#18222e,#10151d);border-left:1px solid var(--line)}.detail .tag{font-size:11px;letter-spacing:1px;color:#ffae7e;background:#36261e;border:1px solid #78432b;display:inline-block;border-radius:4px;padding:3px 7px}.detail h2{font-size:23px;line-height:1.4;margin:13px 0 10px}.detail .description{color:#b6c3d1;font-size:14px;line-height:1.9;margin:0 0 17px}.metric{border-top:1px solid #374353;border-bottom:1px solid #374353;padding:13px 0;margin-bottom:18px;display:flex;gap:13px;align-items:center}.metric strong{font:600 43px/1 ui-monospace,monospace;letter-spacing:-3px;color:#ff8e50;white-space:nowrap}.metric span{font-size:12px;color:#b2becc}.metric em{font-style:normal;font-size:10px;display:block;color:#8393a7;margin-top:3px}.detail h3{font-size:12px;color:#859bb0;letter-spacing:1px;margin:18px 0 5px}.detail .point{font-size:14px;line-height:1.9;color:#d5dde6}.detail .photo{display:block;width:100%;padding:0;border:1px solid #3b4654;border-radius:7px;overflow:hidden;margin-top:17px;text-align:left;background:#111c28}.photo img{display:block;width:100%;height:139px;object-fit:cover}.photo span{font-size:11px;color:#aebdcd;display:block;padding:7px 10px}.detail .focusbtn{width:100%;margin-top:15px;font-size:13px}.detail .evidence{font-size:11px;line-height:1.7;color:#8291a3;margin:14px 0 0}.underbar{margin:14px 30px 13px;display:flex;justify-content:space-between;align-items:center;gap:16px;font-size:12px;color:#8292a5}.underbar b{color:#d3dce6}.underbar a{font-weight:800;text-decoration:none;color:#dfe7ee}.underbar a span{color:var(--orange)}.underbar .status{display:flex;gap:20px}.printchoices{display:none}.printmode .carchoices{display:none}.printmode .printchoices{display:block}#print-controls{display:none}.printmode #car-controls{display:none}.printmode #print-controls{display:block}#render-error{position:absolute;inset:120px 30px auto;background:#131d28;padding:25px;z-index:6;border:1px solid var(--line);display:none}.modal{position:fixed;inset:0;background:#03080edc;backdrop-filter:blur(14px);z-index:50;padding:4vh 5vw;display:none;overflow:auto}.modal.open{display:block}.modal-inner{max-width:1160px;margin:auto;padding:30px;background:#101822;border:1px solid #354355;border-radius:14px}.modal-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:22px}.modal-top h2{font-size:25px;margin:0}.modal-close{font-size:20px;position:sticky;top:10px;z-index:3}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.gallery-item{padding:0;overflow:hidden;text-align:left;background:#19232f}.gallery-item img{width:100%;height:210px;display:block;object-fit:cover}.gallery-item div{padding:12px;font-size:12px;color:#bec9d6}.lightbox .modal-inner{background:#0b111a;max-width:1100px}.lightbox img{max-width:100%;max-height:72vh;display:block;margin:auto;object-fit:contain}.light-caption{font-size:14px;color:#9eb0c4;text-align:center;margin:18px 0 0}.article{max-width:790px;margin:auto;font-size:17px;line-height:2;color:#ccd5e1}.article h1{font-size:31px;line-height:1.5;color:#fff;margin:10px 0 20px}.article h2{color:#fff;font-size:23px;margin-top:35px}.article strong{color:#ffa76e}.article figure{margin:25px 0}.article img{width:100%;border-radius:6px;max-height:520px;object-fit:contain;background:#0a1119}.article figcaption{font-size:12px;line-height:1.8;color:#8f9db0}.article a{color:#ffac7c}.article .byline{color:#93a2b6;font-size:13px}.source-box{padding:17px 20px;background:#18232f;border:1px solid #304052;border-radius:7px;font-size:13px;line-height:1.9}.help p{color:#b8c8da;line-height:2}.help kbd{background:#293744;padding:2px 7px;border-radius:4px}.toast{position:fixed;bottom:28px;left:50%;transform:translateX(-50%);background:#243549;border:1px solid #536b83;padding:9px 18px;border-radius:7px;z-index:90;display:none;font-size:14px}.glossary{font-size:13px;color:#a7bacd}body.modal-open{overflow:hidden}
@media(min-width:1700px){.workspace{grid-template-columns:235px minmax(400px,1fr) 350px}.detail{padding:30px}.photo img{height:190px}.partlist button{padding:14px}.detail .description,.detail .point{font-size:16px}}
@media(max-width:1150px){.workspace{grid-template-columns:165px minmax(200px,1fr) 275px;margin:0 15px;min-height:620px}.side{padding:15px 7px}.detail{padding:19px 16px}.intro{padding:20px}.brand-note{display:none}.stage-heading{left:15px}.control-actions button{padding:5px}.stage-bottom{left:12px;right:12px}.detail h2{font-size:21px}}
@media(max-width:850px){header{height:76px;padding:0 18px}.brand-cn{font-size:22px}.brand-en{font-size:10px}.brand-mark{font-size:30px;width:42px}.brand{gap:9px}header nav{gap:0}header nav button{font-size:12px;padding:6px 8px}.intro{align-items:flex-start;flex-direction:column;gap:14px}.intro h1{font-size:24px}.intro p{font-size:13px}.viewtabs{width:100%}.viewtabs button{flex:1;font-size:14px}.workspace{height:auto;max-height:none;grid-template-columns:1fr;grid-template-rows:auto 560px auto;min-height:0;margin:0 12px}.side{padding:10px 12px;border-right:0;border-bottom:1px solid var(--line);overflow:auto}.tinyhead,.side-divider,.side-note{display:none}.partlist{flex-direction:row;width:max-content;gap:6px}.partlist button{width:auto;padding:7px 12px;white-space:nowrap;background:#16212d}.partlist button .num,.partlist button small{display:none}.stage-heading .name{font-size:18px}.stage-heading .sub{font-size:11px}.stage-tools{right:12px;top:12px}.detail{border-left:0;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:0 20px;overflow:visible;padding:22px}.detail .tag,.detail h2,.detail .description{grid-column:1/-1}.detail .metric{grid-column:1/-1}.detail .evidence{grid-column:1/-1}.detail .photo{margin-top:0}.detail h2{font-size:25px}.detail .focusbtn{grid-column:1/-1}.detail .point-block{grid-column:1/-1}.underbar{flex-direction:column;align-items:flex-start;margin:15px 20px 22px;gap:9px}.underbar .status{flex-wrap:wrap;gap:8px 18px}.gallery-grid{grid-template-columns:repeat(2,1fr)}.modal{padding:15px 10px}.modal-inner{padding:19px}.gallery-item img{height:160px}.article{font-size:16px}.article h1{font-size:26px}.modal-top h2{font-size:21px}}
@media(max-width:460px){header .nav-am{display:none}.brand-cn{font-size:20px;letter-spacing:3px}.brand-en{font-size:9px}.brand-mark{display:none}.intro h1{font-size:23px}.workspace{grid-template-rows:auto 500px auto}.legend{gap:8px;font-size:10px}.stage-heading{top:15px;left:13px}.stage-tools button{font-size:10px;padding:5px 7px}.stage-heading .sub{max-width:220px;letter-spacing:0}.control-actions{gap:4px}.control-actions button{font-size:11px}.model-note{font-size:10px}.detail{display:block}.detail .photo{margin-top:16px}.photo img{height:190px}.gallery-grid{grid-template-columns:1fr}.gallery-item img{height:230px}.hint{font-size:10px;bottom:178px;left:15px}.hotspot{font-size:10px}.modal-top h2{font-size:19px}}