@charset "UTF-8";
:root{color-scheme:dark;--bg:#101715;--panel:#141c19;--ink:#e9e4d7;--muted:#9caa9f;--gold:#d8c186;--line:#ffffff14;font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--ink);font-size:14px}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}button:disabled{opacity:.35;cursor:wait}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--gold);outline-offset:5px}button:hover:not(:disabled),a:hover{color:var(--gold)}button[aria-pressed=true]{color:var(--gold)}[hidden]{display:none!important}.masthead{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 4.3%;border-bottom:1px solid var(--line)}.identity{display:flex;align-items:center;gap:14px;font-family:"Songti SC","Noto Serif SC",serif;font-size:22px;letter-spacing:4px}.identity svg{width:33px;height:33px;fill:none;stroke:var(--gold);stroke-width:1.1}.identity-en{display:block;font-family:Georgia,serif;font-size:8px;letter-spacing:2.2px;line-height:2;margin-top:4px;color:var(--muted)}.header-right{display:flex;gap:38px;align-items:center;font-size:12px;letter-spacing:2px}.header-right a span{margin-left:15px;color:var(--gold)}.edition{color:var(--muted)}.exhibit{display:grid;grid-template-columns:minmax(0,1fr) 370px;max-width:1800px;margin:auto;padding:32px 4.3% 42px;gap:4%}.view-shell{position:relative;min-width:0;display:flex;flex-direction:column;background:radial-gradient(ellipse at 50% 45%,#26332966,transparent 67%)}.view-caption{position:absolute;z-index:2;top:10px;left:8px;display:flex;align-items:center;gap:10px;font-size:11px;letter-spacing:1px;color:var(--muted);pointer-events:none}.status-dot{width:5px;height:5px;background:#9ebc9d;border-radius:50%;box-shadow:0 0 12px #9ebc9d66}.caption-rule{height:10px;width:1px;background:#ffffff25;margin:0 3px}#stage{width:100%;height:min(60vw,670px);min-height:430px;position:relative;flex:1;overflow:hidden;touch-action:none}#stage canvas{position:relative;z-index:1;display:block;outline:none;width:100%;height:100%}.stage-watermark{position:absolute;inset:22% 0 auto;text-align:center;font-size:clamp(60px,8vw,150px);font-family:"Songti SC",serif;color:#d8c18604;letter-spacing:.35em;pointer-events:none}.view-bottom{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);min-height:54px;padding:5px 6px;gap:12px}.gesture-hint{font-size:11px;color:#94a196;letter-spacing:1px}.view-tools{display:flex;align-items:center;gap:4px}.view-tools button{height:42px;min-width:40px;font-size:14px}.view-tools button:nth-child(-n+2){font-size:20px}.view-tools>span{height:14px;width:1px;background:var(--line);margin:0 8px}.view-presets{display:flex;gap:6px;justify-content:center;align-items:center;padding:18px 0}.view-presets button{border:1px solid transparent;border-radius:5px;padding:0 14px;min-height:42px;font-size:12px;color:#adb7ae;white-space:nowrap}.view-presets button[aria-pressed=true]{background:#d8c1860a;border-color:#d8c18644;color:var(--gold)}.view-presets i{height:16px;width:1px;background:var(--line);margin:0 7px}.view-presets button span{font-size:18px;margin-right:4px}.object-note{padding-top:26px}.eyebrow{font-size:10px;letter-spacing:2px;color:var(--gold);margin:0 0 20px;line-height:1.9}h1,h2,h3{font-family:"Songti SC","Noto Serif SC",SimSun,serif;font-weight:400}h1{font-size:44px;letter-spacing:5px;line-height:1.25;margin:0 0 10px}.subtitle{font-size:13px;letter-spacing:3px;color:#b4baa9;margin:0}.intro{font-family:"Songti SC",serif;font-size:15px;line-height:2;letter-spacing:1px;color:#acb2a5;margin:26px 0}.spec-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 24px;margin:0;padding:21px 0 25px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}dt{font-size:10px;color:var(--muted);letter-spacing:2px;margin-bottom:9px}dd{font-family:Georgia,serif;font-size:26px;margin:0;letter-spacing:1px;font-variant-numeric:tabular-nums}dd small{font-size:12px;color:var(--muted);margin-left:3px}.detail-title{display:flex;justify-content:space-between;align-items:center;font-size:12px;letter-spacing:1px;margin:25px 0 8px}.detail-title>span{font-size:10px;color:#829285;letter-spacing:0}.detail-buttons{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}.detail-buttons button{min-height:64px;display:flex;align-items:center;text-align:left;gap:10px;border-bottom:1px solid var(--line);padding:8px 0}.detail-buttons button>span:nth-child(2){font-size:12px;line-height:1.7;white-space:nowrap}.detail-buttons small{display:block;font-size:9px;color:var(--muted)}.detail-buttons b{margin-left:auto;color:#809182;font-weight:400;font-size:11px}.material{flex-shrink:0;display:block;width:25px;height:25px;border-radius:50%;box-shadow:inset -4px -3px 8px #0009,0 0 0 1px #ffffff19}.gold{background:radial-gradient(circle at 30% 25%,#fcf0b6,#a87a31 65%,#422e0a)}.blue{background:repeating-linear-gradient(145deg,#28aeca,#37b6d0 1px,#1c5e94 2px,#175169 4px)}.ruby{background:conic-gradient(from 25deg,#a12632,#441123,#ce6b71,#630e20,#a12632)}.pearl{background:radial-gradient(circle at 32% 25%,#fffbee,#d9d4bc 45%,#6d7b79)}.detail-caption{font-size:10px;line-height:1.8;color:var(--muted);margin:13px 0;min-height:36px}.lighting{display:flex;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line)}.lighting span{font-size:10px;color:var(--muted);margin-right:auto;letter-spacing:1px}.lighting button{font-size:10px;min-height:34px;padding:0 9px;border:1px solid transparent;border-radius:4px}.lighting button[aria-pressed=true]{border-color:#d8c18644}.reconstruction-note{font-size:10px;color:#7f8e80;line-height:1.8;margin:8px 0 0}.archive{border-top:1px solid var(--line);padding:62px 4.3% 74px;max-width:1800px;margin:auto}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:35px;gap:20px}.section-head .eyebrow{font-size:9px;margin-bottom:12px}h2{font-size:31px;letter-spacing:2px;margin:0}.section-head>p{font-size:12px;color:var(--muted);letter-spacing:1px}.archive-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:4%}.archive-grid article{min-width:0;border-top:1px solid #b5bc922c;padding-top:21px}.article-index{font-size:9px;letter-spacing:2px;color:var(--gold)!important;margin:0 0 18px!important}h3{font-size:21px;letter-spacing:1px;margin:0 0 18px}.archive-grid p{font-size:12px;line-height:2.1;color:#a9b4a8;margin:14px 0}.archive-grid .fine-print{font-size:10px;color:#839083;line-height:1.9}.counts{display:grid;grid-template-columns:1fr 1fr 1fr;margin:23px 0 20px;gap:10px}.counts span{font-size:9px;color:var(--muted);letter-spacing:1px}.counts strong{font-family:Georgia,serif;display:block;font-size:24px;font-weight:400;color:#e7dfc7;margin-bottom:8px;letter-spacing:1px}.source-link{display:inline-flex;align-items:center;min-height:44px;font-size:11px;color:var(--gold);margin-top:7px}.reference-list{margin-top:22px}.reference-list a{display:flex;justify-content:space-between;align-items:center;min-height:61px;border-bottom:1px solid var(--line);font-size:11px}.reference-list small{display:block;color:#859487;font-size:9px;margin-top:6px}.reference-list b{font-size:14px;color:var(--gold);font-weight:400}.method-list{padding-left:16px;font-size:11px;line-height:2.4;color:#a4b09f;margin:20px 0}footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:26px 4.3%;font-size:9px;letter-spacing:1.5px;color:#768776}footer a{padding:10px}#load-state{position:absolute;inset:0;z-index:5;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:17px;background:#101715f0;color:var(--gold)}#load-state strong{font-size:14px;font-weight:400;letter-spacing:3px}#load-detail{font-size:11px;color:var(--muted);max-width:260px;text-align:center;line-height:1.8}#retry{border:1px solid #d8c18655;border-radius:4px;padding:12px 24px}.loading-orbit{width:34px;height:34px;border:1px solid #d8c18622;border-top-color:var(--gold);border-radius:50%;animation:spin 1.6s linear infinite}.error .loading-orbit{animation:none;border-color:#a47464}.view-shell:fullscreen{background:#101715;padding:20px;width:100%;height:100%;max-height:none}.view-shell:fullscreen #stage{height:auto;flex:1}.view-shell:fullscreen .view-caption{top:30px;left:30px}.view-shell:fullscreen .view-bottom,.view-shell:fullscreen .view-presets{flex-shrink:0}@keyframes spin{to{transform:rotate(360deg)}}@media(min-width:1600px){.exhibit{grid-template-columns:minmax(0,1fr) 410px}.object-note{padding-top:40px}h1{font-size:48px}.detail-buttons button{min-height:73px}.spec-grid{gap:23px}}@media(max-width:1100px){.exhibit{grid-template-columns:minmax(0,1fr) 310px;gap:3%;padding-inline:3%}.masthead,.archive,footer{padding-left:3%;padding-right:3%}h1{font-size:37px}.eyebrow{font-size:9px;letter-spacing:1px}.view-presets{gap:2px}.view-presets button{padding:0 9px}.gesture-hint{font-size:9px}.detail-buttons{gap:0 10px}.material{width:22px;height:22px}}@media(max-width:800px){.masthead{height:77px;padding:0 22px}.identity{font-size:19px;gap:10px}.identity svg{width:28px}.identity-en{font-size:7px}.header-right{gap:16px;font-size:10px}.edition{display:none}.exhibit{display:flex;flex-direction:column;padding:18px 20px 36px;gap:20px}.view-caption{top:8px;font-size:9px;left:1px}#stage{height:58vh;min-height:350px;max-height:580px;flex:none}.object-note{padding:10px 3px 0;max-width:640px;width:100%;margin:auto}.object-note .eyebrow{margin-bottom:13px}h1{font-size:38px}.intro{margin:18px 0;font-size:14px}.spec-grid{grid-template-columns:repeat(4,1fr);gap:10px;padding:20px 0}dd{font-size:24px}dt{font-size:9px}dd small{font-size:10px;margin-left:0}.detail-title{margin-top:23px}.detail-buttons{gap:0 25px}.detail-buttons button{min-height:69px}.detail-buttons button>span:nth-child(2){font-size:13px}.detail-buttons small{font-size:10px}.material{width:28px;height:28px}.detail-caption{min-height:18px}.reconstruction-note{margin-top:10px}.view-bottom{padding:3px 0}.gesture-hint{font-size:9px;letter-spacing:0}.view-tools{gap:0}.view-tools button{min-width:33px}.view-tools>span{margin:0 5px}.view-presets{padding:12px 0 0;gap:3px;justify-content:space-between}.view-presets button{padding:0 10px;font-size:11px}.view-presets i{margin:0 3px}.view-presets button span{font-size:16px}.archive{padding:35px 23px 40px}.section-head{display:block;margin-bottom:26px}.section-head>p{margin-top:15px;font-size:11px}.archive-grid{grid-template-columns:1fr;gap:34px}.archive-grid article{padding-top:20px}.archive-grid p{font-size:13px;line-height:2}.archive-grid .fine-print{font-size:11px}.reference-list a{font-size:13px;min-height:68px}.reference-list small{font-size:11px}.method-list{font-size:12px}.source-link{font-size:12px}.counts strong{font-size:27px}.counts span{font-size:10px}footer{padding:18px 23px;gap:15px;font-size:9px}footer>span:nth-child(2){display:none}}@media(max-width:375px){.exhibit{padding-inline:14px}.view-presets button{padding:0 7px}.spec-grid dd{font-size:21px}.header-right{letter-spacing:0}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.loading-orbit{animation:none}}

@media(min-width:801px){.view-shell{align-self:start;position:sticky;top:20px}#stage{flex:none;height:clamp(380px,calc(100svh - 275px),740px);min-height:380px}.view-presets{padding:12px 0}}

/* Inspection workspace: controls stay above the canvas; the inspector never covers it. */
:root {
  --inspector-width:370px;
  --exhibit-edge:4.3vw;
  --inspector-edge:calc(var(--exhibit-edge) + max(0px, (100vw - 1800px) / 2));
  --inspector-height:clamp(240px, 44dvh, 380px);
}
[hidden] { display:none!important; }
.visually-hidden { position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0; }
button { min-height:44px;min-width:44px; }
.header-right a,footer a { display:inline-flex;align-items:center;min-height:44px; }
.viewer-controls { position:relative;z-index:4;flex:none;padding:0 0 8px; }
.explore-toolbar { display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0;padding:0 0 10px;border-bottom:1px solid var(--line); }
.explore-toolbar button,.part-actions button,.part-more { min-height:44px;border:1px solid #ffffff18;background:transparent;color:#cac9bb;padding:8px 12px;border-radius:5px;font:inherit;font-size:12px;cursor:pointer;white-space:nowrap; }
.explore-toolbar button:hover,.part-actions button:hover,.part-more:hover { border-color:#bca56c;color:#eee5cc; }
.explore-toolbar [aria-pressed=true],.part-actions [aria-pressed=true] { background:#c7ae6d12;border-color:#bca56c70;color:#e0c88c; }
.mode-switch { display:flex;gap:5px;margin-right:auto; }
.explore-toolbar #parts-toggle span { padding-left:8px; }
.view-presets { justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;overscroll-behavior-x:contain;gap:3px;padding:7px 0 0;scrollbar-width:thin;scrollbar-color:#625d46 transparent; }
.view-presets button { flex:none;min-height:44px;padding:0 11px; }
.view-presets i { flex:none; }
.view-bottom { flex:none;min-height:44px;border:0;padding:0;gap:8px; }
.view-tools { flex:none;gap:2px; }
.view-tools button { min-width:44px;height:44px; }
.view-tools>span { margin:0 4px; }
.gesture-hint { font-size:10px;letter-spacing:0; }
.view-caption { top:12px;left:12px;right:12px;gap:8px;line-height:1.6; }
#stage { flex:none;height:clamp(300px, calc(100svh - 300px), 680px);min-height:300px; }
.explode-control { padding:10px 0 0;border-top:1px solid var(--line);margin-top:7px; }
.explode-control label { display:flex;justify-content:space-between;font-size:11px;color:#cbc4af; }
.explode-control input { display:block;width:100%;height:44px;accent-color:#cbb579;margin:0;cursor:ew-resize; }
.explode-control p,.explorer-footnote { font-size:11px;line-height:1.7;color:#9b9f95;margin:0; }
.explorer { position:fixed;z-index:40;top:16px;bottom:16px;right:var(--inspector-edge);width:var(--inspector-width);display:flex;flex-direction:column;min-height:0;margin:0;padding:0;background:#131c19;border:1px solid #c7b37b26;border-radius:10px;box-shadow:0 16px 50px #0004;overflow:hidden; }
.explorer-head { display:flex;flex:none;justify-content:space-between;align-items:center;padding:10px 12px 10px 18px;border-bottom:1px solid var(--line);gap:8px; }
.explorer-head .eyebrow { display:block;font-size:8px;line-height:1.3;margin:0 0 4px;letter-spacing:1.8px; }
.explorer h2 { font-size:20px;letter-spacing:.05em;margin:0;color:#e1dfd2;font-weight:400; }
.explorer-head>button { flex:none;background:none;border:0;color:#bcbdb0;font-size:25px;cursor:pointer;min-width:44px;min-height:44px; }
.explorer-content { flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:14px 16px 16px;scrollbar-gutter:stable;scrollbar-color:#625d46 #131c19; }
.part-filter { display:grid;grid-template-columns:minmax(0,1fr) 125px;gap:7px; }
.part-filter input,.part-filter select { min-width:0;width:100%;min-height:44px;background:#0c1310;color:#ddd8c4;border:1px solid #ffffff1f;padding:9px 8px;border-radius:4px;font:inherit;font-size:11px; }
.part-filter input:focus,.part-filter select:focus { outline:1px solid #cdb775;outline-offset:2px; }
.selection-card { border-left:2px solid #bba46b;padding:10px 12px;background:#c3aa7510;margin:0 0 14px; }
.selection-card h3 { font-size:18px;line-height:1.45;color:#e6ddc4;margin:3px 0 4px; }
.selection-card code { display:block;font-size:10px;word-break:break-all;color:#aaad9c; }
.selection-card #part-kind { color:#d6be83;font-size:10px; }
.selection-card p { font-size:11px;line-height:1.65;color:#b4b8ab;margin:8px 0; }
.part-actions { display:grid;grid-template-columns:1fr 1fr;gap:6px; }
.part-actions button { font-size:11px;padding:7px 6px;min-height:44px; }
.list-heading { display:flex;justify-content:space-between;flex-wrap:wrap;gap:6px;font-size:10px;color:#969e8e;margin:16px 0 7px; }
#part-list { max-height:none;overflow:visible; }
.part-row { width:100%;display:flex;justify-content:space-between;gap:12px;text-align:left;align-items:center;padding:12px 8px;min-height:48px;border:0;border-bottom:1px solid #ffffff0c;color:#d0d2c5;background:none;cursor:pointer;font:inherit;font-size:12px; }
.part-row:hover,.part-row[aria-pressed=true] { background:#baa16515;color:#e5cb91; }
.part-row small { display:block;font-size:9px;color:#8c9889;margin-top:4px;word-break:break-all; }
.part-row b { font-weight:400;color:#b6a46e; }
.part-more { display:block;margin:12px auto; }
.no-parts { font-size:12px;color:#a6ad9f;padding:18px 4px; }
.explorer-footnote { margin-top:16px;font-size:10px; }
.lighting button { min-height:44px;min-width:44px; }
body.parts-open { overflow:hidden; }
body.parts-open::before { content:"";position:fixed;inset:0;z-index:19;background:var(--bg); }
body.parts-open .masthead,body.parts-open .object-note,body.parts-open .archive,body.parts-open footer { visibility:hidden; }
body.parts-open .view-shell { position:fixed;z-index:20;top:16px;bottom:16px;left:var(--inspector-edge);right:calc(var(--inspector-edge) + var(--inspector-width) + 16px);height:calc(100dvh - 32px);max-height:none;min-height:0;padding:12px;border:1px solid var(--line);border-radius:10px;background:radial-gradient(ellipse at 50% 55%,#26332966,transparent 67%),var(--bg); }
body.parts-open #stage { height:auto;min-height:0;max-height:none;flex:1 1 0; }
.view-shell:fullscreen { display:flex;position:fixed;inset:0;left:0!important;right:0!important;top:0!important;bottom:0!important;width:100%;height:100%;padding:16px;border:0;border-radius:0; }
.view-shell:fullscreen #stage { flex:1 1 0;height:auto;min-height:0;max-height:none; }
.view-shell:fullscreen .view-caption { top:12px;left:12px; }
body.parts-open .view-shell:fullscreen { height:100dvh;padding-right:calc(var(--inspector-width) + 32px); }
.view-shell:fullscreen .explorer { right:16px; }
@media(min-width:1600px) { :root { --inspector-width:410px; } }
@media(min-width:801px) and (max-width:1100px) { :root { --inspector-width:310px;--exhibit-edge:3vw; } .explore-toolbar { gap:6px; } .explore-toolbar button { padding-inline:8px;font-size:11px; } .view-presets button { padding-inline:9px;font-size:11px; } .gesture-hint { font-size:9px; } }
@media(max-width:800px) {
  :root { --inspector-edge:0px; }
  .exhibit { padding-top:14px; }
  .viewer-controls { padding-bottom:4px; }
  .explore-toolbar { display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:4px;padding-bottom:6px; }
  .mode-switch { display:grid;grid-template-columns:1fr 1fr;gap:3px;margin:0;min-width:0; }
  .explore-toolbar button { font-size:11px;padding:7px 6px;min-height:44px;min-width:0; }
  .explore-toolbar #parts-toggle span { padding-left:4px; }
  .view-presets { justify-content:flex-start;gap:2px;padding:4px 0 0; }
  .view-presets button { padding:0 10px;font-size:11px; }
  .view-bottom { padding:0;min-height:44px; }
  .gesture-hint { font-size:9px; }
  .view-tools { gap:0; }
  .view-tools button { min-width:44px; }
  #stage { height:clamp(280px, calc(100svh - 280px), 560px);min-height:280px;max-height:560px; }
  .view-caption { top:8px;left:8px;font-size:9px; }
  .explorer { top:auto;bottom:0;left:0;right:0;width:100%;height:var(--inspector-height);max-height:var(--inspector-height);border-radius:14px 14px 0 0;border-bottom:0;padding-bottom:env(safe-area-inset-bottom); }
  .explorer-head { padding:6px 10px 6px 16px; }
  .explorer-head .eyebrow { display:none; }
  .explorer h2 { font-size:18px; }
  .explorer-content { padding:10px 14px 14px; }
  .part-filter { grid-template-columns:minmax(0,1fr) 132px; }
  .part-filter input,.part-filter select { font-size:12px; }
  .selection-card { padding:9px 11px;margin-bottom:12px; }
  .selection-card h3 { font-size:17px; }
  .part-actions { grid-template-columns:repeat(4,minmax(0,1fr));gap:4px; }
  .part-actions button { font-size:10px;padding:6px 2px;white-space:normal;line-height:1.4;min-height:44px; }
  body.parts-open .view-shell { top:0;left:0;right:0;bottom:var(--inspector-height);height:calc(100dvh - var(--inspector-height));padding:8px 12px 0;border:0;border-radius:0; }
  body.parts-open .view-shell:fullscreen { padding:8px 12px calc(var(--inspector-height) + 2px); }
  .view-shell:fullscreen .explorer { right:0; }
  body.parts-open .explode-control { padding-top:5px;margin-top:3px; }
  body.parts-open .explode-control p { display:none; }
  .explode-control input { height:44px; }
}
@media(max-width:360px) { .gesture-hint { max-width:120px;line-height:1.4; } .exhibit { padding-inline:12px; } }
@media(max-width:800px) and (orientation:landscape) {
  :root { --inspector-height:42dvh; }
  body.parts-open .viewer-controls { display:grid;grid-template-columns:minmax(0,1fr) auto;gap:0 8px; }
  body.parts-open .explore-toolbar { grid-column:1; }
  body.parts-open .view-bottom { grid-column:2;grid-row:1; }
  body.parts-open .gesture-hint,body.parts-open .view-presets { display:none; }
  body.parts-open .explode-control { grid-column:1/-1; }
}

.part-row[data-depth="1"]{padding-left:18px}.part-row[data-depth="2"]{padding-left:30px}.part-row[data-depth="3"]{padding-left:42px}