:root{color:#18212b;font-synthesis:none;text-rendering:optimizelegibility;--surface:#fff;--viewport:#eef1f3;--text:#18212b;--muted:#5e6b78;--border:#d8e0e7;--border-strong:#c3ced8;--accent:#0798d7;--accent-soft:#e6f5fc;--focus:#006ea8;--shadow:0 10px 28px #18212b1f;background:#eef1f3;font-family:Inter,Segoe UI,Microsoft YaHei,system-ui,sans-serif}*{box-sizing:border-box}html,body,#root{width:100%;height:100%;margin:0;overflow:hidden}body{min-width:320px}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--focus);outline-offset:2px}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.model-workbench{background:#eef1f3;grid-template-rows:64px minmax(0,1fr) 32px;width:100%;height:100dvh;display:grid}.workbench-header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:0 24px;display:flex}.workbench-brand{align-items:center;gap:12px;display:flex}.workbench-brand img{object-fit:contain;width:48px;height:32px}.workbench-brand span{gap:1px;display:grid}.workbench-brand strong{font-size:15px}.workbench-brand small,.workbench-count,.workbench-intro>span,.model-card-heading small,.model-card-stats,.workbench-footer{color:var(--muted)}.workbench-brand small{font-size:11px}.workbench-count{align-items:center;gap:7px;font-size:12px;display:inline-flex}.workbench-count svg{width:17px}.workbench-content{width:min(1120px,100% - 48px);min-height:0;margin:0 auto;padding:56px 0 40px;overflow:auto}.workbench-intro{max-width:680px;margin-bottom:32px}.workbench-intro p,.workbench-intro h1{margin:0}.workbench-intro p{color:var(--accent);letter-spacing:.08em;margin-bottom:8px;font-size:12px;font-weight:700}.workbench-intro h1{letter-spacing:-.025em;margin-bottom:10px;font-size:clamp(24px,3vw,34px);line-height:1.25}.workbench-intro>span{font-size:14px;line-height:1.7}.catalog-message{color:var(--muted);background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:24px;font-size:13px}.catalog-message.is-error{color:#8f2e22;background:#fff8f6;border-color:#efc4bd}.model-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin:0;padding:0;list-style:none;display:grid}.model-card{text-align:left;background:var(--surface);border:1px solid var(--border);cursor:pointer;border-radius:9px;grid-template-columns:150px minmax(0,1fr);width:100%;min-height:160px;padding:0;transition:border-color .16s,transform .16s,box-shadow .16s;display:grid;overflow:hidden}.model-card:hover{border-color:#9dcfe4;transform:translateY(-2px);box-shadow:0 12px 28px #18212b17}.model-card-preview{color:#46545e;border-right:1px solid var(--border);background:#dfe4e6;place-items:center;min-height:160px;display:grid}.model-card-preview svg{stroke-width:1.1px;width:58px;height:58px}.model-card-body{grid-template-rows:1fr auto auto;gap:12px;padding:18px 20px;display:grid}.model-card-heading{align-content:start;gap:7px;display:grid}.model-card-heading strong{font-size:18px}.model-card-heading small{font-size:12px}.model-card-stats{flex-wrap:wrap;gap:18px;font-size:11px;display:flex}.model-card-stats span,.model-card-open{align-items:center;gap:6px;display:inline-flex}.model-card-stats svg{width:15px}.model-card-open{color:var(--accent);justify-self:end;font-size:12px;font-weight:700}.model-card-open svg{width:16px;transition:transform .16s}.model-card:hover .model-card-open svg{transform:translate(3px)}.workbench-footer{background:var(--surface);border-top:1px solid var(--border);justify-content:center;align-items:center;font-size:10px;display:flex}.app-shell{background:var(--viewport);grid-template-rows:56px minmax(0,1fr) 28px;width:100%;height:100dvh;display:grid}.app-bar{z-index:30;background:var(--surface);border-bottom:1px solid var(--border);align-items:center;gap:18px;min-width:0;padding:0 16px;display:flex;position:relative}.app-back{width:38px;height:38px;color:var(--muted);cursor:pointer;background:0 0;border:1px solid #0000;border-radius:6px;flex:none;place-items:center;padding:0;display:grid}.app-back:hover{color:var(--accent);background:var(--accent-soft)}.app-back svg{width:19px}.brand-block{align-items:center;gap:10px;min-width:0;display:flex}.brand-mark{flex:none;width:44px;height:30px;display:block;overflow:hidden}.brand-mark img{object-fit:contain;width:100%;height:100%;display:block}.brand-block h1,.panel-heading h2,.panel-heading p{margin:0}.brand-block h1{letter-spacing:-.01em;font-size:16px;font-weight:700;line-height:20px}.header-status{color:var(--muted);margin-left:auto;font-size:12px}.header-action{border:1px solid var(--border);cursor:pointer;background:#fff;border-radius:6px;align-items:center;gap:7px;min-height:40px;padding:0 12px;display:inline-flex}.header-action:hover{color:var(--accent);border-color:var(--accent)}.header-action svg{width:17px}.quality-switch{border:1px solid var(--border);background:#eef1f3;border-radius:7px;flex:none;gap:2px;padding:2px;display:inline-flex}.quality-switch button{min-height:32px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:5px;padding:0 10px;font-size:11px}.quality-switch button.is-active{color:#fff;background:var(--accent);font-weight:700}.workspace{grid-template-columns:0 minmax(0,1fr);min-height:0;display:grid;position:relative}.workspace.has-tree{grid-template-columns:296px minmax(0,1fr)}.tree-panel{z-index:12;background:var(--surface);border-right:1px solid var(--border);opacity:0;pointer-events:none;visibility:hidden;grid-template-rows:auto auto auto minmax(0,1fr);width:296px;min-width:0;min-height:0;display:grid;position:relative}.tree-panel.is-open{opacity:1;pointer-events:auto;visibility:visible}.panel-heading{align-items:center;min-height:65px;padding:12px 16px 8px;display:flex}.panel-heading h2{font-size:15px;line-height:20px}.panel-heading p{color:var(--muted);margin-top:2px;font-size:11px}.search-field{min-height:40px;color:var(--muted);border:1px solid var(--border-strong);border-radius:6px;align-items:center;gap:8px;margin:0 12px 8px;padding:0 10px;display:flex}.search-field:focus-within{border-color:var(--accent);box-shadow:0 0 0 2px #0798d71f}.search-field input{min-width:0;color:var(--text);background:0 0;border:0;outline:0;flex:1;font-size:12px}.search-field button{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;padding:0;display:grid}.tree-actions{border-bottom:1px solid var(--border);grid-template-columns:1fr 1fr;gap:6px;padding:0 12px 10px;display:grid}.tree-actions button{min-height:36px;color:var(--muted);border:1px solid var(--border);cursor:pointer;background:#f8fafc;border-radius:5px;justify-content:center;align-items:center;gap:5px;font-size:12px;display:inline-flex}.tree-actions button:first-child:not(:disabled){color:var(--accent);background:var(--accent-soft);border-color:#a8daf0}button:disabled{opacity:.45;cursor:not-allowed}.tree-scroll{overscroll-behavior:contain;scrollbar-width:thin;min-height:0;overflow:auto}.tree-virtual{width:100%;position:relative}.tree-row{cursor:default;-webkit-user-select:none;user-select:none;border-left:3px solid #0000;grid-template-columns:26px minmax(0,1fr) 34px;align-items:center;width:100%;height:36px;padding-right:5px;font-size:12px;display:grid;position:absolute;top:0;left:0}.tree-row:hover{background:#f4f8fb}.tree-row.is-selected{background:var(--accent-soft);border-left-color:var(--accent)}.tree-disclosure,.tree-visibility{width:28px;height:28px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:4px;place-items:center;padding:0;display:grid}.tree-disclosure:disabled{opacity:0}.tree-disclosure svg,.tree-visibility svg{width:15px}.tree-visibility:hover{color:var(--accent);background:#fff}.tree-name{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.tree-empty{color:var(--muted);text-align:center;margin:28px 16px;font-size:12px}.viewport-shell,.viewport-host{min-width:0;min-height:0;position:relative;overflow:hidden}.viewport-host{background:var(--viewport);width:100%;height:100%}.viewer-canvas{touch-action:none;width:100%;height:100%;display:block}.viewport-host.is-surface-picking .viewer-canvas,.viewport-host.is-measuring .viewer-canvas{cursor:crosshair}.viewer-hint{z-index:14;color:var(--muted);border:1px solid var(--border);pointer-events:none;background:#fffffff5;border-radius:7px;align-items:center;gap:9px;padding:9px 12px;font-size:11px;display:flex;position:absolute;top:14px;left:50%;transform:translate(-50%);box-shadow:0 5px 18px #18212b1a}.viewer-hint svg{width:18px;color:var(--accent)}.viewer-hint span{gap:1px;display:grid}.viewer-hint strong{color:var(--text);font-size:12px}.bottom-toolbar{z-index:13;border:1px solid var(--border);box-shadow:var(--shadow);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#fffffff5;border-radius:9px;grid-template-columns:repeat(5,minmax(58px,68px));padding:5px;display:grid;position:absolute;bottom:14px;left:50%;transform:translate(-50%)}.tool-slider{width:280px;color:var(--text);border:1px solid var(--border);box-shadow:var(--shadow);background:#fffffff7;border-radius:8px;gap:8px;padding:11px 13px;font-size:11px;display:grid;position:absolute;bottom:calc(100% + 9px);left:50%;transform:translate(-50%)}.tool-slider:after{content:"";border-right:1px solid var(--border);border-bottom:1px solid var(--border);background:#fff;width:10px;height:10px;position:absolute;top:100%;left:50%;transform:translate(-50%,-5px)rotate(45deg)}.tool-slider>span{justify-content:space-between;display:flex}.tool-slider output{color:var(--muted);font-variant-numeric:tabular-nums}.tool-slider input{width:100%;min-height:22px;accent-color:var(--accent);cursor:pointer;margin:0}.toolbar-tool{min-width:0;display:grid;position:relative}.bottom-toolbar button{width:100%;min-height:48px;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:6px;place-items:center;gap:1px;font-size:10px;display:grid}.bottom-toolbar button:hover,.bottom-toolbar button.is-active{color:var(--accent);background:var(--accent-soft)}.bottom-toolbar button:disabled{color:#a8afb4;cursor:not-allowed;opacity:.55;background:0 0}.bottom-toolbar svg{width:19px;height:19px}.loading-overlay,.error-banner{z-index:11;min-width:180px;color:var(--muted);border:1px solid var(--border);box-shadow:var(--shadow);background:#fffffff0;border-radius:8px;place-items:center;gap:6px;padding:18px 22px;font-size:11px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.model-loading{z-index:20;border:1px solid var(--border);width:min(380px,100% - 32px);box-shadow:var(--shadow);background:#fffffff7;border-radius:9px;place-items:center;gap:8px;padding:28px 32px 24px;display:grid;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.model-loading img{object-fit:contain;width:74px;height:48px;margin-bottom:2px}.model-loading strong{font-size:18px}.model-loading span,.model-loading output{color:var(--muted);font-size:11px}.model-loading progress{appearance:none;background:#e4e9ed;border:0;border-radius:2px;width:100%;height:8px;margin-top:8px;overflow:hidden}.model-loading progress::-webkit-progress-bar{background:#e4e9ed}.model-loading progress::-webkit-progress-value{background:var(--accent)}.model-loading progress::-moz-progress-bar{background:var(--accent)}.loading-overlay strong{color:var(--text);font-size:13px}.loading-overlay svg{color:var(--accent)}.spin{animation:1s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.error-banner{color:#8f2e22;background:#fff8f6;border-color:#efc4bd;grid-template-columns:auto 1fr;place-items:start;width:min(440px,100% - 32px)}.error-banner span{gap:4px;display:grid}.status-bar{z-index:30;min-width:0;color:var(--muted);background:var(--surface);border-top:1px solid var(--border);align-items:center;gap:18px;padding:0 14px;font-size:10px;display:flex;position:relative}.status-bar>span+span{border-left:1px solid var(--border);padding-left:18px}.status-help{margin-left:auto}@media (max-width:1080px) and (min-width:821px){.workspace.has-tree{grid-template-columns:260px minmax(0,1fr)}.tree-panel{width:260px}}@media (max-width:820px){.model-workbench{grid-template-rows:56px minmax(0,1fr) 28px}.workbench-header{padding:0 14px}.workbench-brand img{width:40px;height:28px}.workbench-count{font-size:10px}.workbench-content{width:calc(100% - 28px);padding:16px 0 14px}.workbench-intro{margin-bottom:12px}.workbench-intro p{margin-bottom:3px;font-size:10px}.workbench-intro h1{margin-bottom:4px;font-size:21px}.workbench-intro>span{-webkit-line-clamp:1;-webkit-box-orient:vertical;font-size:12px;line-height:1.4;display:-webkit-box;overflow:hidden}.model-list{grid-template-columns:1fr;gap:8px}.model-card{grid-template-columns:76px minmax(0,1fr);min-height:106px}.model-card-preview{border-right:1px solid var(--border);border-bottom:0;min-height:106px}.model-card-preview svg{width:34px;height:34px}.model-card-body{grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) auto;gap:7px 10px;padding:10px 12px}.model-card-heading{grid-column:1/-1;gap:2px;min-width:0}.model-card-heading strong,.model-card-heading small{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.model-card-heading strong{font-size:15px}.model-card-heading small{font-size:11px}.model-card-stats{align-self:end;gap:10px;min-width:0;font-size:10px}.model-card-stats>span:last-child{display:none}.model-card-stats svg{width:13px}.model-card-open{align-self:end;font-size:10px}.app-shell{grid-template-rows:52px minmax(0,1fr) 24px}.app-bar{gap:10px;padding:0 10px}.app-back{width:34px;height:34px}.brand-mark{width:38px;height:26px}.brand-block h1{font-size:14px}.header-status,.header-action span{display:none}.header-action{justify-content:center;width:40px;margin-left:auto;padding:0}.quality-switch button{min-height:30px;padding:0 7px;font-size:10px}.workspace{min-height:0;display:block;overflow:clip}.viewport-shell{width:100%;height:100%}.tree-panel{z-index:24;border:1px solid var(--border);width:auto;max-height:min(66vh,560px);box-shadow:var(--shadow);opacity:0;pointer-events:none;visibility:hidden;border-radius:10px;transition:transform .18s,opacity .15s,visibility 0s linear .18s;position:absolute;inset:auto 8px 70px;transform:translateY(calc(100% + 86px))}.tree-panel.is-open{opacity:1;pointer-events:auto;visibility:visible;transition-delay:0s;transform:translateY(0)}.bottom-toolbar{grid-template-columns:repeat(5,minmax(52px,62px));bottom:10px}.status-bar{gap:8px;padding:0 8px}.status-help{display:none}.status-bar>span+span{margin-left:auto;padding-left:8px}}@media (max-width:420px){.workbench-brand small,.workbench-count svg,.brand-mark{display:none}.bottom-toolbar{grid-template-columns:repeat(5,1fr);width:calc(100% - 16px)}.tool-slider{width:min(280px,100vw - 32px)}.toolbar-tool-explode .tool-slider{left:auto;right:-4px;transform:none}.toolbar-tool-explode .tool-slider:after{left:auto;right:28px;transform:translateY(-5px)rotate(45deg)}.status-bar{font-size:9px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}