:root{color-scheme:light;--paper:#f7f7f1;--ink:#233d33;--muted:#6d786e;--green:#254e3e;--line:#dfe4da;--soft:#e9ede4;--gold:#a89163;font-family:Inter,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px}*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;background:var(--paper);color:var(--ink)}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;font-size:.875rem;cursor:pointer;color:inherit;border:0;background:transparent}button:focus-visible,a:focus-visible{outline:2px solid #8caa72;outline-offset:4px}button:disabled{cursor:default;opacity:.45}button:hover{color:#142d20}a{color:inherit;text-decoration:none}[hidden]{display:none!important}.app{height:100dvh;min-height:560px;display:grid;grid-template-rows:86px minmax(0,1fr) 38px}.site-header{padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:22px;background:var(--paper);border-bottom:1px solid var(--line);z-index:4}.brand{display:flex;align-items:center;gap:14px;flex-shrink:0}.brand-seal{width:42px;height:46px;border:1px solid #9fae99;display:grid;place-items:center;font:27px "Songti SC",SimSun,serif;color:var(--green);border-radius:20px 20px 2px 2px}.brand strong{font-family:"Songti SC","Noto Serif CJK SC",SimSun,serif;font-size:26px;letter-spacing:.18em;font-weight:500;display:block}.brand small{display:block;font-size:10px;letter-spacing:.15em;margin-top:4px;color:var(--muted)}.header-caption{font-size:.875rem;color:var(--muted);display:flex;align-items:center;gap:9px;letter-spacing:.08em}.green-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#809b6a;flex-shrink:0}.header-actions{display:flex;align-items:center;gap:12px}.quiet-button{border:1px solid var(--line);border-radius:7px;padding:10px 15px;white-space:nowrap;background:#ffffff60}.quiet-button:hover{background:var(--soft)}.workspace{min-height:0;display:grid;grid-template-columns:minmax(0,1fr) 334px}.stage{position:relative;min-width:0;overflow:hidden;background:#e3e9df}.whole-scene{position:absolute;inset:0;touch-action:none}.whole-scene canvas{width:100%;height:100%;display:block;cursor:grab;touch-action:none}.whole-scene canvas:active{cursor:grabbing}.view-heading{position:absolute;left:30px;top:28px;pointer-events:none;max-width:65%;text-shadow:0 1px 18px #edf2e6,0 1px 4px #edf2e6}.eyebrow{font-size:10px;letter-spacing:.18em;color:var(--muted);font-weight:500}.view-heading h1{font-size:clamp(21px,2.1vw,32px);font-family:"Songti SC",SimSun,serif;letter-spacing:.08em;font-weight:500;margin:10px 0}.view-heading p{font-size:.875rem;line-height:1.7;color:#5e7264;margin:0}.stage-bottom{position:absolute;left:0;right:0;bottom:19px;display:flex;align-items:center;flex-direction:column;gap:9px;pointer-events:none}.view-toolbar{display:flex;gap:2px;align-items:center;max-width:calc(100% - 30px);padding:6px;background:#f8faf2ed;border:1px solid #ffffff90;border-radius:11px;box-shadow:0 5px 25px #203d3210;pointer-events:auto}.view-toolbar button{padding:10px 11px;border-radius:6px;white-space:nowrap}.view-toolbar button[aria-pressed="true"]{background:var(--green);color:white}.view-toolbar button:hover:not([aria-pressed="true"]){background:#e1e8da}.segmented{display:inline-flex;background:#e6ebdf;border-radius:7px;padding:3px}.segmented button{border-radius:5px;padding:8px 14px}.segmented button[aria-pressed="true"]{background:var(--green);color:#fff}.toolbar-divider{width:1px;height:21px;margin:0 5px;background:#d9dfd2}.gesture-hint{margin:0;font-size:11px;color:#526753;text-shadow:0 1px 8px #fff}.touch-hint{display:none}.inspector{border-left:1px solid var(--line);background:var(--paper);padding:24px 22px 0;overflow-y:auto;scrollbar-width:thin;scrollbar-color:#c6d0be transparent;z-index:4}.inspector-title>div{display:flex;align-items:center;justify-content:space-between}.inspector h2{font-size:21px;letter-spacing:.08em;font-weight:500;margin:7px 0 19px}.floor-nav{display:grid;grid-template-columns:1fr 1fr;gap:8px}.floor-nav button{display:flex;align-items:center;gap:10px;text-align:left;border:1px solid var(--line);border-radius:8px;padding:11px 10px;background:#fff9;min-height:67px;transition:background .16s,border-color .16s}.floor-nav b{font-family:Georgia,serif;font-size:19px;font-weight:400;color:#809477;min-width:29px}.floor-nav span{font-size:.875rem}.floor-nav small{font-size:11px;color:var(--muted);display:block;margin-top:4px}.floor-nav button:hover{background:#e9eee3}.floor-nav button[aria-pressed="true"]{background:var(--green);border-color:var(--green);color:#f6f8f2}.floor-nav button[aria-pressed="true"] b,.floor-nav button[aria-pressed="true"] small{color:#c5d9b4}.drawing-section{border-top:1px solid var(--line);margin-top:23px;padding-top:23px}.drawing-title{display:flex;align-items:center;justify-content:space-between;gap:8px}.drawing-title h3{font-size:16px;font-weight:500;margin:6px 0 13px}.text-button{font-size:12px;padding:8px 0;color:#567a5b;white-space:nowrap}.text-button:hover{text-decoration:underline;text-underline-offset:3px}.plan-preview{background:#eeeee3;border-radius:8px;border:1px solid #e3e7d9;overflow:hidden;min-height:215px}.floor-plan{display:block;width:100%;height:auto;overflow:visible}.floor-plan .zone{cursor:pointer;transition:fill .18s,opacity .18s;stroke:#f7f8f2;stroke-width:1.2}.floor-plan .zone:hover,.floor-plan .zone:focus{fill:#9eae8b!important;outline:none;stroke:#426b43;stroke-width:2}.floor-plan .zone.is-selected{fill:#8ea879!important;stroke:#2c553b;stroke-width:2}.floor-plan .wall-line{stroke:#73816c;fill:none;stroke-linecap:square}.floor-plan text{font-family:inherit;pointer-events:none;fill:#2d4c36}.floor-plan .room-number{font-size:11px;text-anchor:middle;dominant-baseline:central}.floor-plan .number-disc{fill:#f7f8f1;stroke:#bdcbb1;stroke-width:.65;pointer-events:none}.floor-plan .plan-caption{font-size:10px;letter-spacing:.12em;fill:#8b9680}.plan-hint{font-size:12px;line-height:1.65;color:var(--muted);margin:11px 0}.room-list{display:grid;grid-template-columns:1fr;gap:0;margin-bottom:20px}.room-item{display:flex;align-items:center;text-align:left;gap:10px;min-height:38px;border-bottom:1px solid #e7ebdf;font-size:14px;padding:6px 3px}.room-item .room-index{color:#829777;font:12px Georgia,serif;width:23px;flex-shrink:0}.room-item .room-name{flex:1;line-height:1.5}.room-item .room-arrow{color:#9bac90}.room-item:hover,.room-item.is-selected{color:#23543b;background:#e8eee0}.inspector-footer{padding:16px 0 20px;border-top:1px solid var(--line);display:flex;gap:8px;align-items:flex-start;font-size:11px;line-height:1.7;color:var(--muted)}.inspector-footer .green-dot{margin-top:6px}.site-footer{border-top:1px solid var(--line);padding:0 30px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:11px;color:#819078;letter-spacing:.04em}.site-footer i{font-style:normal;margin:0 8px;color:#bac4b1}.season-note{font-size:9px;letter-spacing:.14em}.scene-labels{position:absolute;inset:0;pointer-events:none;overflow:hidden}.scene-label{position:absolute;left:0;top:0;padding:6px 9px;font-size:12px;white-space:nowrap;border-radius:5px;border:1px solid #ffffffcf;background:#f9fcf1ed;color:#30513b;box-shadow:0 2px 8px #243e2b0c;pointer-events:auto;transform-origin:center;will-change:transform;transition:opacity .2s}.scene-label:before{content:"";width:5px;height:5px;border-radius:50%;background:#90a47b;display:inline-block;margin-right:6px;vertical-align:2px}.scene-label:hover{background:#274f3a;color:white}.scene-label[hidden]{display:none}.scene-loading{position:absolute;inset:0;display:flex;gap:15px;align-items:center;justify-content:center;background:#e3e9dff0;z-index:6;font-size:14px;color:#617654;transition:opacity .5s}.scene-loading.is-ready{opacity:0;pointer-events:none}.loading-orbit{width:22px;height:22px;border:1px solid #a7b99a;border-top-color:#335436;border-radius:50%;animation:turn 1.3s linear infinite}@keyframes turn{to{transform:rotate(360deg)}}.mobile-panel-toggle{display:none}.toast{position:fixed;bottom:95px;left:50%;transform:translate(-50%,12px);opacity:0;pointer-events:none;background:#244935;color:#fff;padding:11px 19px;border-radius:8px;font-size:14px;z-index:40;transition:opacity .2s,transform .2s}.toast.show{opacity:1;transform:translate(-50%,0)}.plan-dialog{border:1px solid #dae1d1;border-radius:14px;background:var(--paper);color:var(--ink);padding:0;width:min(1120px,calc(100vw - 48px));max-height:calc(100dvh - 48px);box-shadow:0 30px 130px #162b2540;overflow:hidden}.plan-dialog::backdrop{background:#152f2877;backdrop-filter:blur(6px)}.dialog-header{display:flex;justify-content:space-between;align-items:center;padding:22px 26px 15px;border-bottom:1px solid var(--line);gap:12px}.dialog-header h2{font-size:22px;font-weight:500;letter-spacing:.05em;margin:7px 0 0}.dialog-tools{padding:13px 26px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.zoom-controls{display:flex;align-items:center;gap:9px;font-size:13px}.zoom-controls button{width:35px;height:35px;border:1px solid var(--line);border-radius:5px}.dialog-body{display:grid;grid-template-columns:minmax(0,1fr) 230px;min-height:320px;height:min(65dvh,680px)}.drawing-viewport{overflow:auto;background:#edeedf;padding:20px;display:grid;align-items:center;scrollbar-width:thin}.drawing-viewport #large-plan{width:100%;min-width:320px;margin:auto}.drawing-viewport img{display:block;max-width:none;width:100%;height:auto;margin:auto}.dialog-legend{padding:20px 16px;overflow:auto;border-left:1px solid var(--line);font-size:14px}.dialog-legend h3{font-size:14px;font-weight:500;margin:0 0 13px}.dialog-legend p{font-size:12px;line-height:1.7;color:var(--muted)}.dialog-footer{padding:13px 26px;display:flex;gap:16px;justify-content:space-between;font-size:11px;color:var(--muted);border-top:1px solid var(--line)}
@media(max-width:1150px){.workspace{grid-template-columns:minmax(0,1fr) 300px}.inspector{padding:20px 16px 0}.view-toolbar button{padding:10px 8px;font-size:12px}.view-heading{left:22px;top:24px}.header-caption{display:none}}
@media(max-width:850px){.app{grid-template-rows:72px minmax(0,1fr) 30px;min-height:520px}.site-header{padding:0 16px;gap:10px}.brand{gap:9px}.brand-seal{width:30px;height:36px;font-size:22px}.brand strong{font-size:22px}.brand small{font-size:8px;letter-spacing:.10em}.header-actions{gap:6px}.quiet-button{padding:9px 10px;font-size:12px}.workspace{display:block;position:relative}.stage{height:100%}.mobile-panel-toggle{display:block}.inspector{display:none;position:absolute;inset:10px 12px 95px auto;width:310px;border:1px solid #dfe5d6;border-radius:12px;box-shadow:0 16px 60px #23443122}.panel-open .inspector{display:block}.view-heading{top:23px;left:19px;max-width:75%}.view-heading h1{font-size:24px}.view-heading p{font-size:12px}.stage-bottom{bottom:13px;gap:9px}.site-footer{padding:0 16px;font-size:10px}.site-footer>span:nth-child(2){display:none}.view-toolbar{padding:5px;gap:0;max-width:calc(100% - 20px)}.view-toolbar button{font-size:12px;padding:10px 8px}.toolbar-divider{margin:0 3px}.gesture-hint{font-size:10px}.scene-label{font-size:11px;padding:5px 7px}.view-heading .eyebrow{font-size:9px}.plan-dialog{width:calc(100vw - 20px);max-height:calc(100dvh - 24px);border-radius:10px}.dialog-header{padding:16px}.dialog-tools{padding:10px 14px}.dialog-header h2{font-size:19px}.dialog-body{grid-template-columns:1fr;height:62dvh;overflow:auto;display:block}.drawing-viewport{min-height:300px;padding:10px;max-height:60dvh}.dialog-legend{border-left:0;border-top:1px solid var(--line);padding:13px 16px}.dialog-legend .room-item{display:inline-flex;min-width:45%;margin-right:10px}.dialog-legend p{margin-bottom:0}.dialog-footer{padding:12px 15px;flex-wrap:wrap;gap:6px;font-size:10px}.dialog-legend h3{margin-bottom:4px}}
@media(max-width:450px){.brand strong{font-size:19px;letter-spacing:.10em}.brand small{font-size:7px}.brand-seal{display:none}.header-actions .quiet-button{font-size:11px;padding:9px 8px}.view-toolbar{display:grid;grid-template-columns:repeat(6,auto);row-gap:3px;border-radius:10px}.view-toolbar>.segmented{grid-column:span 2;justify-content:center}.view-toolbar>.toolbar-divider{display:none}.view-toolbar button{font-size:12px;padding:8px 9px;min-height:35px}.view-toolbar>#reset-view,.view-toolbar>#fullscreen{grid-column:span 3}.stage-bottom{bottom:12px}.gesture-hint{font-size:9px}.inspector{bottom:139px;left:10px;right:10px;width:auto}.view-heading h1{font-size:22px}.view-heading p{font-size:11px}.scene-label{font-size:10px}.scene-label:before{width:4px;height:4px;margin-right:4px}.site-footer .season-note{font-size:8px}}
@media(pointer:coarse){.desktop-hint{display:none}.touch-hint{display:inline}.view-toolbar button,.quiet-button,.floor-nav button,.room-item{min-height:44px}.view-toolbar button{padding-left:8px;padding-right:8px}.stage-bottom{gap:6px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.loading-orbit{animation:none}button,.scene-label,.toast{transition:none!important}}