:root{color:#172026;background:#dfe4e5;font-family:Inter,PingFang SC,Microsoft YaHei,system-ui,-apple-system,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #151a1d;--ink-soft: #31393d;--paper: #f5f6f3;--line: rgba(255, 255, 255, .16);--accent: #f1c232;--teal: #5ba9aa;--orange: #d8612c}*{box-sizing:border-box}html,body,#app{width:100%;height:100%;margin:0;overflow:hidden}button,input{font:inherit}button{color:inherit}button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}#app{position:relative;background:#dfe4e5}#scene,#scene canvas,#scene .label-layer{position:absolute;inset:0;width:100%;height:100%}#scene canvas{display:block;touch-action:none}#scene .label-layer{pointer-events:none;overflow:hidden}.app-header{position:absolute;z-index:20;top:16px;left:16px;right:16px;min-height:64px;display:grid;grid-template-columns:minmax(240px,1fr) auto minmax(240px,1fr);align-items:center;gap:16px;padding:8px;color:#fff;background:#151a1de8;border:1px solid var(--line);border-radius:8px;box-shadow:0 10px 30px #141d2124;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.brand-block{min-width:0;display:flex;align-items:center;gap:10px}.brand-block>div{min-width:0}.brand-mark{width:42px;height:42px;flex:0 0 42px;display:grid;place-items:center;color:var(--ink);background:var(--accent);border-radius:5px;font-size:14px;font-weight:800}.brand-block h1{margin:0;overflow:hidden;font-size:16px;line-height:1.3;letter-spacing:0;text-overflow:ellipsis;white-space:nowrap}.brand-block p{margin:4px 0 0;color:#ffffff94;font-size:11px;line-height:1;letter-spacing:0}.brand-block p span{display:inline-block;width:3px;height:3px;margin:0 6px 2px;background:var(--accent);border-radius:50%}.mode-switch{display:grid;grid-template-columns:repeat(4,minmax(54px,1fr));width:276px;padding:3px;background:#ffffff14;border:1px solid rgba(255,255,255,.08);border-radius:6px}.mode-button{min-width:0;height:34px;padding:0 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38px;display:grid;place-items:center;padding:0;color:#ffffff9e;background:transparent;border:1px solid transparent;border-radius:5px;cursor:pointer}.icon-button svg{width:17px;height:17px;stroke-width:1.8}.fullscreen-exit-icon,.icon-button.is-fullscreen .fullscreen-enter-icon{display:none}.icon-button.is-fullscreen .fullscreen-exit-icon{display:block}.icon-button:hover{color:#fff;background:#ffffff14}.icon-button.is-active{color:var(--accent);background:#f1c2321a;border-color:#f1c23252}.walk-ui{position:absolute;z-index:24;inset:0;display:none;pointer-events:none}.walk-ui.is-active{display:block}.walk-bar{position:absolute;top:max(16px,env(safe-area-inset-top));left:50%;min-height:54px;display:flex;align-items:center;gap:10px;padding:7px;color:#fff;background:#151a1de6;border:1px solid rgba(255,255,255,.16);border-radius:8px;box-shadow:0 10px 30px #141d212e;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);transform:translate(-50%);pointer-events:auto}.walk-title{min-width:112px;display:flex;align-items:center;gap:8px;padding:0 8px;font-size:12px;font-weight:750;white-space:nowrap}.walk-title svg,.walk-exit svg,.walk-pad-button svg{width:17px;height:17px}.walk-title svg{color:var(--accent)}.walk-floor-switch{display:grid;grid-template-columns:repeat(2,62px);padding:3px;background:#ffffff14;border-radius:5px}.walk-floor{height:34px;color:#ffffffad;background:transparent;border:0;border-radius:4px;font-size:11px;font-weight:700;cursor:pointer}.walk-floor.is-active{color:var(--ink);background:var(--accent)}.walk-exit{width:38px;height:38px;display:grid;place-items:center;padding:0;color:#ffffffb8;background:transparent;border:1px solid transparent;border-radius:5px;cursor:pointer}.walk-exit:hover{color:#fff;background:#ffffff14}.walk-pad{position:absolute;left:18px;bottom:max(18px,env(safe-area-inset-bottom));width:148px;height:148px;display:none;grid-template-columns:repeat(3,46px);grid-template-rows:repeat(3,46px);gap:5px;pointer-events:auto}.walk-pad-button{width:46px;height:46px;display:grid;place-items:center;padding:0;color:#fff;background:#151a1dd6;border:1px solid rgba(255,255,255,.18);border-radius:6px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);touch-action:none}.walk-pad-button.is-pressed{color:var(--ink);background:var(--accent)}.walk-pad-forward{grid-column:2;grid-row:1}.walk-pad-left{grid-column:1;grid-row:2}.walk-pad-back{grid-column:2;grid-row:2}.walk-pad-right{grid-column:3;grid-row:2}@media(hover:none),(pointer:coarse){.walk-pad{display:grid}}body.is-walking .app-header,body.is-walking .view-rail,body.is-walking .detail-panel,body.is-walking .scene-status,body.is-walking 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var(--line);border-radius:8px;box-shadow:0 10px 30px #141d2121;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.detail-eyebrow{margin-bottom:8px;color:var(--accent);font-size:10px;font-weight:750;letter-spacing:0}.detail-title-row{display:flex;align-items:center;gap:9px}.detail-title-row h2{flex:1;min-width:0;margin:0;font-size:18px;line-height:1.35;letter-spacing:0}.detail-compare-button{width:34px;height:34px;flex:0 0 34px;display:grid;place-items:center;margin-left:auto;padding:0;color:#ffffffa8;background:#ffffff0f;border:1px solid rgba(255,255,255,.12);border-radius:5px;cursor:pointer}.detail-compare-button:hover{color:var(--accent);background:#f1c2321a;border-color:#f1c2324d}.detail-compare-button svg{width:16px;height:16px}.status-dot{width:7px;height:7px;flex:0 0 7px;background:var(--teal);border-radius:50%;box-shadow:0 0 0 4px #5ba9aa1f}.detail-panel>p{margin:10px 0 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16px);padding:7px}.render-tabs{width:100%;margin-left:0}.comparison-grid{grid-template-columns:1fr;overflow-y:auto;overscroll-behavior:contain}.comparison-pane+.comparison-pane{border-top:1px solid rgba(255,255,255,.14);border-left:0}.comparison-media{aspect-ratio:3 / 2}.comparison-media img{max-height:none}.comparison-pane figcaption{align-items:flex-start;flex-direction:column;gap:3px;min-height:0}.comparison-pane figcaption span{text-align:left}}@media(max-width:480px){.tool-strip{gap:1px}.icon-button{width:38px;height:38px;flex-basis:38px}.icon-button svg{width:15px;height:15px}.dialog-close{width:40px;height:40px}}@media(max-width:360px){.app-header{min-height:196px;grid-template-columns:1fr;grid-template-rows:42px 38px 38px 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figcaption{gap:2px;min-height:0;padding:7px 8px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}