@font-face{font-family:QijieSerif;src:url('./assets/fonts/noto-serif-sc-medium.woff') format('woff');font-display:swap;font-weight:500}
@font-face{font-family:QijieSans;src:url('./assets/fonts/noto-sans-sc.woff') format('woff');font-display:swap}
:root{--paper:#f7f8f5;--white:#fff;--ink:#28363b;--muted:#66747a;--rule:#dce1dc;--pink:#9c4162;--pale:#f4dee6;--blue:#426d88;--ice:#dbe9f0;--sans:QijieSans,'PingFang SC','Microsoft YaHei',sans-serif;--serif:QijieSerif,'Songti SC',serif;--safe:env(safe-area-inset-bottom,0px)}
*{box-sizing:border-box}html,body{margin:0;width:100%;height:100%;overscroll-behavior:none}body{font:14px/1.5 var(--sans);color:var(--ink);background:var(--paper);overflow:hidden}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;border:0;cursor:pointer;background:none}button:disabled{opacity:.45;cursor:wait}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,canvas:focus-visible,summary:focus-visible{outline:2px solid var(--pink);outline-offset:3px}svg{fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}button svg{width:21px;height:21px}[hidden]{display:none!important}.icon-button{display:inline-flex;justify-content:center;align-items:center;width:44px;height:44px;flex-shrink:0;border-radius:50%;font-size:27px;line-height:1}.icon-button:active{background:var(--pale)}
.app-shell{display:flex;flex-direction:column;height:100dvh;min-height:400px;width:100%;max-width:1680px;margin:auto;padding-top:env(safe-area-inset-top,0px)}.masthead{display:flex;align-items:center;justify-content:space-between;padding:5px 17px 3px;min-height:60px;flex-shrink:0}.brand{display:flex;align-items:center;gap:9px}.brand>svg{width:29px;height:29px;color:var(--pink);stroke-width:1.25}.brand strong{font:500 25px/1 var(--serif);letter-spacing:3px}.brand>span{font-size:11px;color:var(--muted);border-left:1px solid #c9d2cd;padding-left:10px;margin-left:1px}.masthead>.icon-button{color:var(--muted)}
.residence-heading{display:flex;justify-content:space-between;align-items:center;padding:6px 21px 14px;gap:9px;flex-shrink:0}.heading-kicker{margin:0 0 4px;font-size:10px;letter-spacing:.5px;color:var(--muted)}h1{font:500 33px/1.3 var(--serif);letter-spacing:1px;margin:0}h1>span{font:11px var(--sans);letter-spacing:0;color:var(--blue);margin-left:11px;white-space:nowrap}.variant-button{display:flex;align-items:center;gap:9px;text-align:left;min-height:48px;padding:5px 0 5px 7px}.variant-mark{height:29px;width:29px;background:var(--pale);color:var(--pink);display:grid;place-items:center;font-size:15px;border-radius:50%}.variant-button small{display:block;font-size:9px;color:var(--muted);margin-bottom:2px}.variant-button b{font-size:12px;font-weight:400}.variant-button svg{width:14px;height:14px;margin-left:3px}.type-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:3px;margin:0 18px;padding:0 0 8px;flex-shrink:0;border-bottom:1px solid var(--rule)}.type-nav button{padding:7px 0;height:47px;font-size:12px;border-radius:5px;display:flex;align-items:center;justify-content:center;gap:6px}.type-nav button>span{font-size:10px;color:var(--muted)}.type-nav button[aria-pressed=true]{background:var(--pale);color:var(--pink);box-shadow:inset 0 0 0 1px #e5c6d4}.type-nav button[aria-pressed=true]>span{color:var(--pink)}.type-nav button:active{background:#edd2dd;color:var(--pink)}
.viewer{position:relative;flex:1;min-height:180px;isolation:isolate;overflow:hidden;background:var(--paper)}#stage{width:100%;height:100%;display:block;touch-action:none;cursor:grab;position:absolute;inset:0;z-index:1}#stage:active{cursor:grabbing}.poster{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;padding:53px 18px 80px;opacity:.42;mix-blend-mode:multiply;z-index:0}.poster.fallback{opacity:1}.stage-top{position:absolute;z-index:3;display:flex;justify-content:space-between;align-items:center;top:9px;left:21px;right:17px;pointer-events:none}.stage-top>*{pointer-events:auto}.view-switch{display:flex;padding:3px;border:1px solid var(--rule);border-radius:24px;background:var(--paper)}.view-switch button{height:35px;padding:0 14px;font-size:11px;border-radius:19px}.view-switch button[aria-pressed=true]{background:#fff;color:var(--pink);box-shadow:0 1px 4px #28363b12}.light-button{width:auto;gap:5px;padding:0 8px;font-size:10px;color:var(--muted);border-radius:22px;background:var(--paper)}.light-button svg{width:17px;height:17px}.viewer-meta{position:absolute;top:64px;left:23px;right:23px;display:flex;justify-content:space-between;color:var(--muted);font-size:10px;pointer-events:none;z-index:2}.viewer-meta b{font-size:14px;font-weight:400;color:var(--ink)}.viewer-meta small{font-size:9px;margin-left:4px}.stage-bottom{position:absolute;z-index:3;bottom:9px;left:21px;right:13px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.gesture-bar{display:flex;align-items:center;gap:7px;pointer-events:auto}.touch-mode-button{display:inline-flex;align-items:center;gap:5px;height:36px;padding:0 11px;border-radius:18px;border:1px solid #e5c6d4;background:#fff;color:var(--pink);font-size:11px;white-space:nowrap;box-shadow:0 1px 4px #28363b10}.touch-mode-button svg{width:15px;height:15px}.touch-mode-button[aria-pressed=true]{background:var(--pale);border-color:#d9aebf;color:var(--pink)}.touch-mode-button:active{background:#edd2dd}.stage-bottom p{font-size:9px;letter-spacing:.2px;color:var(--muted);margin:0;background:var(--paper);padding:3px 4px;border-radius:8px}.stage-actions{display:flex;gap:0;background:var(--paper);border-radius:24px;pointer-events:auto}.stage-actions .icon-button{width:36px;height:40px}.stage-actions svg{width:18px;height:18px}.room-marker{position:absolute;z-index:4;pointer-events:none;background:#fff;padding:5px 10px;border-left:2px solid var(--pink);font-size:11px;transform:translate(-50%,-100%);box-shadow:0 2px 8px #28363b12;white-space:nowrap}
.load-panel{position:absolute;left:22px;right:22px;bottom:65px;z-index:5;padding:10px 13px;background:#fffffff2;border:1px solid var(--rule);border-radius:5px;font-size:10px;color:var(--muted)}.load-panel>div{display:flex;align-items:center;gap:7px}.load-panel #load-value{margin-left:auto;color:var(--pink)}.loading-dot{width:5px;height:5px;background:var(--pink);border-radius:50%}.load-panel progress{height:2px;width:100%;border:0;display:block;margin-top:9px;appearance:none;background:#e7eae4}.load-panel progress::-webkit-progress-bar{background:#e7eae4}.load-panel progress::-webkit-progress-value{background:var(--pink)}.load-panel progress::-moz-progress-bar{background:var(--pink)}.error-panel{position:absolute;z-index:6;left:22px;right:22px;bottom:66px;padding:16px;background:#fff;border:1px solid var(--rule);border-radius:5px}.error-panel h2{font:500 19px var(--serif);margin:0 0 8px}.error-panel p{font-size:11px;line-height:1.7;color:var(--muted);margin:0 0 12px}.primary-button{min-height:44px;background:var(--ink);color:#fff;border-radius:4px;padding:10px 18px}.text-button{min-height:44px;padding:10px 12px;color:var(--blue);font-size:12px}
.concept-note{display:flex;align-items:center;gap:11px;padding:13px 17px 14px 22px;border-top:1px solid var(--rule);background:#fff;flex-shrink:0}.concept-line{width:3px;height:32px;border-radius:2px;background:var(--pink);flex:none}.concept-note h2{font:500 17px var(--serif);margin:0 0 4px}.concept-note p{font-size:9px;margin:0;color:var(--muted)}.concept-note>.icon-button{margin-left:auto;color:var(--blue);width:35px}.bottom-nav{height:calc(65px + var(--safe));padding:4px 12px calc(4px + var(--safe));display:grid;grid-template-columns:repeat(3,1fr);background:#fff;flex-shrink:0;border-top:1px solid #edf0ea}.bottom-nav button{display:flex;align-items:center;justify-content:center;flex-direction:column;gap:3px;font-size:10px;min-height:52px}.bottom-nav svg{width:19px;height:19px;color:var(--blue);stroke-width:1.4}.bottom-nav small{font-size:8px;color:var(--muted);margin-left:3px}.bottom-nav button:active{background:var(--ice);border-radius:6px}
.room-peek{position:absolute;z-index:5;left:18px;right:18px;bottom:55px;background:#fff;display:flex;align-items:center;border:1px solid #e5d0d9;border-radius:6px;box-shadow:0 3px 16px #28363b0a}.room-peek-content{display:flex;align-items:center;gap:9px;flex:1;text-align:left;padding:12px;min-height:62px}.pink-dot{background:var(--pink);width:6px;height:6px;flex:none;border-radius:50%}.room-peek-content strong{font-size:12px;font-weight:400;display:block}.room-peek-content small{font-size:10px;display:block;color:var(--muted);margin-top:3px}.room-peek-content>span:last-child{display:flex;align-items:center;gap:5px;margin-left:auto;color:var(--pink);font-size:10px;white-space:nowrap}.room-peek-content svg{width:13px;height:13px}.room-peek>.icon-button{width:36px;font-size:22px;color:var(--muted)}
dialog{position:fixed;inset:auto 0 0;margin:0;width:100%;max-width:none;max-height:90dvh;padding:0;border:0;border-radius:19px 19px 0 0;background:#fff;color:var(--ink);overflow:hidden;box-shadow:0 -8px 50px #24313918}dialog::backdrop{background:#1c303b48}.sheet-handle{width:30px;height:3px;background:#c8d1cc;margin:9px auto 0;border-radius:2px}.sheet-header{display:flex;justify-content:space-between;align-items:center;padding:12px 22px 15px;border-bottom:1px solid var(--rule);gap:14px}.sheet-header p{font-size:10px;color:var(--muted);margin:0 0 3px}.sheet-header h2{font:500 26px var(--serif);margin:0}.sheet-header>.icon-button{color:var(--muted)}.sheet-content{padding:16px 22px calc(24px + var(--safe));max-height:calc(90dvh - 106px);overflow-y:auto;overscroll-behavior:contain;touch-action:pan-y;scrollbar-width:thin}.sheet-filters{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:17px}.sheet-filters button{height:36px;font-size:11px;padding:0 13px;border:1px solid var(--rule);border-radius:19px}.sheet-filters button[aria-pressed=true]{border-color:#e2bfd0;color:var(--pink);background:var(--pale)}.catalog-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px 12px}.catalog-item{padding:0;text-align:left;border:1px solid var(--rule);border-radius:5px;overflow:hidden;min-width:0;background:#fff}.catalog-item[aria-pressed=true]{border-color:var(--pink);box-shadow:inset 0 0 0 1px var(--pink)}.catalog-item img{width:100%;aspect-ratio:1.55;object-fit:cover;display:block;background:var(--paper)}.catalog-item>div{padding:10px}.catalog-item strong{font-weight:400;font-size:11px;color:var(--blue);display:block;margin-bottom:4px}.catalog-item span{font-size:12px;display:block}.catalog-item small{font-size:9px;color:var(--muted);display:block;margin-top:5px}.version-row{display:flex;align-items:center;text-align:left;width:100%;gap:13px;padding:13px 0;border-bottom:1px solid var(--rule);min-height:86px}.version-row:first-child{padding-top:0}.version-row img{width:87px;height:65px;object-fit:cover;border-radius:3px}.version-row b{font-size:13px;display:block;font-weight:400}.version-row p{font-size:10px;color:var(--muted);margin:5px 0 0}.version-row .version-index{color:var(--pink);font-size:11px;margin-right:7px}.check{width:18px;height:18px;border:1px solid #b8c4c9;border-radius:50%;margin-left:auto;flex:none}.version-row[aria-pressed=true] .check{border:5px solid var(--pink)}.room-row{display:flex;align-items:center;padding:13px 1px;border-bottom:1px solid var(--rule);width:100%;text-align:left;gap:12px;min-height:53px}.room-row .code{font-size:10px;color:var(--pink);width:20px}.room-row .area{margin-left:auto;font-size:11px;color:var(--muted)}.room-row>svg{width:14px;height:14px;color:var(--muted)}.room-row[aria-pressed=true]{color:var(--pink)}
.detail-name{font:500 27px var(--serif);margin:4px 0 17px}.detail-numbers{display:flex;gap:30px;padding:15px 0;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);margin-bottom:14px}.detail-numbers strong{display:block;font:24px var(--sans);font-weight:400}.detail-numbers small{font-size:10px;color:var(--muted)}.detail-numbers span{font-size:13px;display:block;line-height:2}.detail-actions{display:flex;gap:10px;align-items:center;margin-top:18px}.detail-actions>button{flex:1}.secondary-button{border:1px solid var(--rule);min-height:44px;border-radius:4px;padding:10px 14px;color:var(--blue)}.body-note{font-size:11px;line-height:1.8;color:var(--muted);margin:0 0 12px}.support-intro{font:500 25px/1.65 var(--serif);margin:3px 0 18px}.support-path{display:flex;gap:13px;margin:0 0 14px;padding:16px 15px;border-left:3px solid var(--pink);background:#fcf2f6}.support-path.blue{border-color:var(--blue);background:#eef5f8}.support-path>svg{width:24px;height:24px;color:var(--pink);margin-top:2px}.support-path.blue>svg{color:var(--blue)}.support-path h3{font-size:14px;margin:0 0 5px;font-weight:400}.support-path p{font-size:11px;line-height:1.8;margin:0;color:var(--muted)}.source-note{padding-top:14px;margin-top:18px;border-top:1px solid var(--rule);font-size:10px;color:var(--muted);line-height:1.9}.source-note summary{cursor:pointer;min-height:40px;display:flex;align-items:center}.support-facts{display:flex;justify-content:space-around;text-align:center;margin:21px 0;padding:17px 0;border-block:1px solid var(--rule)}.support-facts b{font:24px var(--serif);display:block;color:var(--blue);font-weight:500}.support-facts span{font-size:10px;color:var(--muted)}.help-list h3{font-size:13px;font-weight:400;margin:16px 0 5px}.help-list p{font-size:11px;color:var(--muted);line-height:1.8;margin:0 0 13px}.help-list kbd{font:11px var(--sans);padding:2px 6px;background:var(--paper);border:1px solid var(--rule);border-radius:3px}.toast{position:fixed;bottom:calc(150px + var(--safe));left:50%;transform:translate(-50%,8px);opacity:0;transition:opacity .2s,transform .2s;background:var(--ink);color:#fff;z-index:20;padding:11px 17px;border-radius:5px;font-size:12px;max-width:calc(100vw - 40px);width:max-content;pointer-events:none}.toast.visible{opacity:1;transform:translate(-50%,0)}body.night .viewer{background:#27363e}body.night .viewer-meta{color:#c2cdd1}body.night .viewer-meta b{color:#e3e9e7}body.night .stage-top .view-switch,body.night .light-button,body.night .stage-actions,body.night .stage-bottom p{background:#e9efeb}
@media(min-width:800px){.app-shell{display:grid;grid-template-columns:320px 1fr;grid-template-rows:78px 144px 76px 1fr 105px}.masthead{grid-column:1/-1;padding:10px 32px;border-bottom:1px solid var(--rule)}.brand strong{font-size:29px}.brand>span{font-size:12px}.residence-heading{grid-column:1;grid-row:2;padding:24px 25px 15px;display:block;border-right:1px solid var(--rule)}.heading-kicker{margin-bottom:8px}h1{font-size:39px}h1>span{font-size:12px}.variant-button{position:absolute;top:238px;left:max(24px,calc((100vw - 1680px)/2 + 24px));width:270px;padding:10px 0;border-block:1px solid var(--rule);height:62px;z-index:4}.variant-button small{font-size:10px}.variant-button b{font-size:13px}.variant-button>svg{margin-left:auto}.type-nav{grid-column:1;grid-row:3;margin:0;padding:95px 24px 0;display:flex;flex-direction:column;gap:8px;align-self:start;border:0;z-index:4}.type-nav button{width:270px;justify-content:start;height:47px;padding:0 17px;font-size:14px;gap:16px}.type-nav button>span{font-size:12px}.viewer{grid-column:2;grid-row:2/6;width:100%;height:100%;min-height:0}.stage-top{top:25px;left:35px;right:30px}.viewer-meta{top:88px;left:38px;right:37px;font-size:12px}.viewer-meta small{font-size:11px}.viewer-meta b{font-size:17px}.view-switch button{padding:0 20px;height:37px;font-size:12px}.light-button{height:44px;font-size:11px}.stage-bottom{left:37px;right:28px;bottom:24px}.stage-bottom p{font-size:11px}.stage-actions .icon-button{height:44px;width:44px}.concept-note{grid-column:1;grid-row:4;align-self:end;background:transparent;display:block;border:0;padding:20px 25px 25px;border-right:1px solid var(--rule)}.concept-note h2{font-size:23px;line-height:1.6;margin:0 0 8px}.concept-note p{font-size:11px;line-height:1.9}.concept-line{display:block;width:29px;height:3px;margin-bottom:15px}.concept-note .icon-button{margin-left:0;margin-top:8px}.bottom-nav{grid-column:1;grid-row:5;padding:10px 14px;height:100%;border-top:1px solid var(--rule);border-right:1px solid var(--rule);background:transparent}.bottom-nav button{font-size:11px;gap:8px}.bottom-nav svg{width:21px;height:21px}.room-peek{left:38px;right:auto;width:350px;bottom:90px}.load-panel,.error-panel{left:38px;right:auto;width:min(380px,calc(100% - 76px));bottom:90px}dialog{inset:16px 16px 16px auto;width:440px;max-height:none;height:calc(100dvh - 32px);border-radius:12px}.sheet-content{max-height:calc(100dvh - 145px)}.sheet-handle{visibility:hidden}.sheet-header{padding-top:7px}.toast{bottom:36px}.poster{padding:80px}}
@media(max-width:360px){.residence-heading{padding-inline:17px}h1{font-size:29px}.variant-button{gap:6px}.variant-button b{font-size:11px}.type-nav{margin-inline:14px}.type-nav button{font-size:10px;gap:4px}.concept-note{padding-inline:18px}.concept-note p{font-size:8px}.stage-bottom p{font-size:8px}.stage-top{left:17px}.catalog-item>div{padding:8px}.sheet-content{padding-inline:18px}}
@media(max-width:799px) and (max-height:730px){.masthead{min-height:50px}.residence-heading{padding-top:2px;padding-bottom:7px}h1{font-size:28px}.heading-kicker{font-size:9px}.type-nav{padding-bottom:5px}.type-nav button{height:40px}.concept-note{padding-block:8px}.concept-note h2{font-size:15px}.concept-note p{font-size:8px}.bottom-nav{height:calc(58px + var(--safe))}.bottom-nav button{min-height:46px}.viewer-meta{top:60px}.view-switch button{height:30px;padding:0 12px}.stage-top{top:5px}}
@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.app-shell{display:grid;grid-template-columns:195px 1fr;grid-template-rows:49px 100px 1fr 57px}.masthead{grid-column:1/-1;min-height:49px;border-bottom:1px solid var(--rule);padding-block:0}.brand strong{font-size:22px}.residence-heading{grid-column:1;grid-row:2;padding:9px 15px;display:block}h1{font-size:26px}.heading-kicker{font-size:8px}.variant-button{position:absolute;top:140px;left:14px;padding:0;height:44px;min-height:44px;z-index:4}.variant-button small{display:none}.variant-mark{height:23px;width:23px;font-size:11px}.type-nav{grid-column:1;grid-row:3;margin:35px 12px 0;display:grid;grid-template-columns:1fr 1fr;align-content:start;border:0}.type-nav button{height:35px;gap:4px;font-size:10px}.concept-note{display:none}.viewer{grid-column:2;grid-row:2/5;min-height:0;height:100%}.bottom-nav{grid-column:1;grid-row:4;height:57px;padding:3px}.bottom-nav button{font-size:9px}.bottom-nav svg{width:16px;height:16px}.viewer-meta{top:53px}.view-switch button{height:28px}.stage-top{top:6px;left:14px;right:10px}.stage-bottom{left:14px;right:8px;bottom:5px}.stage-actions .icon-button{width:30px;height:34px}.stage-bottom p{font-size:8px}.room-peek{bottom:45px;left:14px;right:14px}.load-panel,.error-panel{left:14px;right:14px;bottom:45px}dialog{inset:10px 10px 10px auto;width:370px;height:calc(100dvh - 20px);max-height:none;border-radius:10px}.sheet-content{max-height:calc(100dvh - 125px)}.sheet-header h2{font-size:22px}.sheet-handle{display:none}.sheet-header{padding-top:12px}.room-peek-content{min-height:48px;padding:7px 10px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.heading-kicker{font-size:11px}.view-switch button{font-size:12px}.viewer-meta{font-size:11px}.viewer-meta small{font-size:10px}.stage-bottom p{font-size:10px}.concept-note p{font-size:11px;line-height:1.6}.bottom-nav button{font-size:11px}.load-panel{font-size:11px}.sheet-filters button{min-height:44px}.catalog-item small{font-size:11px}.catalog-item strong{font-size:12px}.version-row p,.help-list p,.body-note,.support-path p{font-size:12px}.version-row .version-index{font-size:12px}.sheet-header p{font-size:11px}.source-note{font-size:11px}.detail-numbers small{font-size:11px}.room-row .area{font-size:12px}.room-row .code{font-size:11px}.room-peek-content small{font-size:11px}
@media(max-width:360px){.concept-note p{font-size:10px}.stage-bottom p{font-size:9px}.type-nav button{font-size:11px}.residence-heading h1{font-size:26px}}
@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.stage-bottom p{font-size:9px}.sheet-header p{font-size:10px}.help-list p{font-size:12px}}

.stage-actions .icon-button{width:44px;height:44px}@media(max-width:360px){.gesture-bar{gap:5px}.touch-mode-button{height:34px;padding:0 9px;font-size:10px;gap:4px}.touch-mode-button svg{width:14px;height:14px}}@media(min-width:800px){.touch-mode-button{height:38px;padding:0 13px;font-size:12px}}@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.touch-mode-button{height:32px;padding:0 10px;font-size:10px}}
@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.app-shell{min-height:0}.variant-button{width:169px}.type-nav button{width:auto}.stage-actions .icon-button{width:36px;height:36px}}
.open-3d{position:absolute;z-index:4;bottom:75px;left:50%;transform:translateX(-50%);font-size:12px;background:var(--blue)}#skip-3d{font-size:11px;color:var(--blue);padding:5px 0 5px 8px;min-height:32px;white-space:nowrap}.sheet-filters{flex-wrap:nowrap}.sheet-filters button{min-width:44px;flex:none}.sheet-filters button:first-child{flex:1}
.variant-button{flex-shrink:0}.variant-button b{white-space:nowrap}
@media(max-width:799px){.residence-heading{min-height:84px}.residence-heading>div{min-width:0}.residence-heading h1{font-size:clamp(26px,8vw,33px);white-space:nowrap}.residence-heading h1>span{margin-left:8px}}
@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.residence-heading{min-height:0}.residence-heading h1{font-size:26px}}
@media(max-width:1023px) and (max-height:540px) and (orientation:landscape){.app-shell{grid-template-rows:49px 100px minmax(0,1fr) 57px}.type-nav{padding:0;margin:35px 12px 0;min-height:0}.type-nav button{white-space:nowrap}.bottom-nav{min-height:0;overflow:hidden}.viewer{min-height:0;overflow:hidden}}