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span{display:none}}.page-head{padding-block:var(--space-7)}.split-row{flex-wrap:nowrap;justify-content:space-between}.section-gap{margin-top:var(--space-8)}.today-meter{flex:220px;max-width:360px}.path-gap{margin-top:var(--space-5)}.today-bat{align-self:center;width:150px}@media (width<=959px){.today-aside{grid-template-columns:88px minmax(0,1fr);align-items:center;display:grid}.today-bat{grid-row:span 2;width:88px}}@media (width>=960px){.today-aside{top:calc(var(--header-h) + var(--space-6));position:sticky}}@media (width<=959px){.player-margin{top:var(--header-h);z-index:var(--z-sticky);margin-inline:calc(-1 * var(--gutter));padding:0 var(--gutter) var(--space-3);background:color-mix(in srgb, var(--bg) 92%, transparent);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky}.player-bat,.player-margin .steps-current{display:none}}@media (width>=960px){.player-margin{gap:var(--space-4);display:grid}.player-bat{width:140px;margin:var(--space-4) 0 0 var(--space-5)}.player-bat.bat-listening{border-radius:50%;width:160px}}.level>summary{gap:var(--space-2) var(--space-4);grid-template-columns:auto minmax(0,1fr);display:grid}.level>summary>.label{grid-column:2}@media (width>=760px){.level>summary{grid-template-columns:auto minmax(0,1fr) auto}.level>summary>.label{padding-top:var(--space-2);grid-column:3}}.level-desc{max-width:62ch;display:block}.level-chapters{margin-bottom:var(--space-6)}.level-chapters>li>.card{height:100%}@media (width>=760px){.live-brief{gap:var(--space-6);grid-template-columns:minmax(0,1fr) 140px;display:grid}}.live-brief-bat{border-radius:50%;width:120px;display:none}@media (width>=760px){.live-brief-bat{display:block}}.live-body{margin-top:var(--space-5);--captions-h:220px;gap:14px;display:grid}@media (width>=900px){.live-body{--captions-h:280px}.live-body.has-help{grid-template-columns:minmax(0,1fr) 280px}}.live-help{--gap:6px;animation:.3s ease-out rise}.live-help-list{--gap:6px;font-size:16.5px;line-height:1.35}.voice .call-controls{flex-wrap:wrap}.voice .call-level{flex:100%;height:36px}@media (width>=640px){.voice .call-controls{flex-wrap:nowrap}.voice .call-level{flex:auto}}.voice-thinking .live-thinking-bat{width:72px}.tutor{gap:var(--space-4) var(--space-5);text-align:left;width:100%;font:inherit;cursor:pointer;transition:transform var(--t-fast);grid-template-columns:64px minmax(0,1fr);align-items:center;display:grid}.tutor:hover{transform:translateY(-2px)}.tutor-mic{background:var(--violet);color:#fff;border-radius:50%;place-items:center;width:64px;height:64px;display:grid}.tutor-bat{width:120px;display:none}@media (width>=640px){.tutor{grid-template-columns:72px minmax(0,1fr) 120px}.tutor-bat{display:grid}}