.tv-measure-layer{position:absolute;inset:0;z-index:1;pointer-events:none;overflow:hidden}.tv-measure-label{position:absolute;left:0;top:0;font-family:var(--font-pixel);font-size:16px;line-height:1;color:#fff;white-space:nowrap;text-shadow:1px 0 #000,-1px 0 #000,0 1px #000,0 -1px #000,1px 1px #000,-1px -1px #000,1px -1px #000,-1px 1px #000,0 2px 0 rgba(0,0,0,.6);opacity:0;transition:opacity .16s linear;will-change:transform}.tv-measure-label.is-in{opacity:1}.tv-measure-label em{font-style:normal;font-family:Microsoft YaHei,Noto Sans SC,sans-serif;font-size:11px;color:#cfcfcf;margin-left:3px}.tv-measure-label.is-gap{color:#d9d9d9}.tv-measure-layer.is-hidden .tv-measure-label{opacity:0;transition-duration:.08s}.tv-measure-legend{display:block;margin-top:6px;font-style:normal;font-size:12px;line-height:1.6;color:var(--color-text-muted)}.tv-measure-legend strong{color:var(--color-text-primary);font-weight:700}@media (max-height:860px){.bdi-page .bd-viewer:not(:fullscreen):not(.is-pseudo-fullscreen) .bdi-tool-rail.has-measure>button{height:42px}}@media (orientation:landscape) and (max-height:520px){.bd-viewer:is(:fullscreen,.is-pseudo-fullscreen) .bdi-tool-rail.has-measure{gap:2px}.bd-viewer:is(:fullscreen,.is-pseudo-fullscreen) .bdi-tool-rail.has-measure>button{width:32px;height:32px}.bd-viewer:is(:fullscreen,.is-pseudo-fullscreen) .bdi-tool-rail.has-measure>i{height:4px}}@media (max-width:767px) and (orientation:portrait){.bd-viewer:is(:fullscreen,.is-pseudo-fullscreen) .bdi-tool-rail.has-measure{gap:3px}.bd-viewer:is(:fullscreen,.is-pseudo-fullscreen) .bdi-tool-rail.has-measure>button{width:39px;height:39px}}.tv-measure-legend-row{flex:none;padding:0 16px 12px}.tv-measure-legend-row .tv-measure-legend{margin-top:0}@media (max-width:767px){.tv-measure-legend-row{padding:0 14px 10px}}.mcb-viewport{--mcb-vp-bg:#1d1d1d;--mcb-vp-bg-hi:#242424;--mcb-vp-bg-lo:#161616;--mcb-vp-vignette:0.32;position:relative;background:radial-gradient(118% 112% at 50% 46%,var(--mcb-vp-bg-hi) 0,var(--mcb-vp-bg) 50%,var(--mcb-vp-bg-lo) 100%)}.mcb-viewport-vignette{position:absolute;inset:0;pointer-events:none;background:radial-gradient(118% 118% at 50% 50%,rgba(0,0,0,0) 36%,rgba(0,0,0,calc(var(--mcb-vp-vignette, .32) * .5)) 74%,rgba(0,0,0,var(--mcb-vp-vignette,.32)) 100%)}