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.mobile-settings-topbar{position:sticky;top:0;z-index:3;display:block;min-height:52px;flex:0 0 auto;background:var(--episode-bg)}.episode-content .mobile-settings-body{min-height:0;overflow-y:auto;padding-top:8px;padding-bottom:4px;scroll-padding:8px;scroll-snap-type:y proximity;-webkit-overflow-scrolling:touch}.episode-content .mobile-settings-handle{display:block;width:46px;height:5px;margin:16px auto 0;padding:0;border:0;border-radius:999px;background:color-mix(in srgb,var(--episode-muted) 28%,transparent);cursor:grab;-webkit-tap-highlight-color:transparent;-webkit-appearance:none;-moz-appearance:none;appearance:none}.episode-content .mobile-settings-handle:hover,.episode-content .mobile-settings-handle:focus,.episode-content .mobile-settings-handle:focus-visible,.episode-content .mobile-settings-handle:active{outline:0;background:color-mix(in srgb,var(--episode-muted) 28%,transparent);box-shadow:none}.episode-content .mobile-settings-close{position:absolute;top:8px;right:0;width:30px;height:30px;border:0;color:color-mix(in srgb,var(--episode-text) 62%,transparent);background:transparent;font-size:22px}.episode-content .mobile-settings-actions{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:6px;margin-bottom:10px;padding:10px 8px 12px;border:1px solid var(--episode-line);border-radius:18px;background:var(--episode-panel);scroll-snap-align:start}.episode-content .mobile-settings-actions button{display:grid;justify-items:center;gap:7px;border:0;color:var(--episode-text);background:transparent;font-size:19px}.episode-content .mobile-settings-actions button span:last-child{font-size:12px;white-space:nowrap}.episode-content .mobile-setting-row{display:grid;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;margin-bottom:8px;padding:12px;border:1px solid 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.mobile-switch{position:relative;width:54px;height:28px;border:0;border-radius:999px;background:color-mix(in srgb,var(--episode-muted) 28%,transparent)}.episode-content .mobile-switch.checked{background:color-mix(in srgb,var(--episode-text) 86%,var(--episode-accent))}.episode-content .mobile-switch span{position:absolute;top:3px;left:3px;display:grid;place-items:center;width:22px;height:22px;border-radius:999px;color:var(--episode-muted);background:var(--episode-panel);font-size:14px;font-weight:700;transition:transform .18s ease}.episode-content .mobile-switch.checked span{color:var(--episode-text);transform:translate(26px)}.episode-content .mobile-segmented{display:flex;justify-content:flex-end;gap:6px;flex-wrap:wrap}.episode-content .mobile-segmented button{min-width:58px;height:28px;padding:0 12px;border:1px solid color-mix(in srgb,var(--episode-muted) 38%,transparent);border-radius:999px;color:color-mix(in srgb,var(--episode-text) 78%,transparent);background:var(--episode-panel);font-size:12px}.episode-content .mobile-segmented button.active{border-color:color-mix(in srgb,var(--episode-text) 70%,transparent);color:var(--episode-inverse);background:color-mix(in srgb,var(--episode-text) 86%,var(--episode-accent))}.episode-content .mobile-theme-palette{display:grid;gap:9px}.episode-content .mobile-theme-group>span{display:block;margin-bottom:6px;color:color-mix(in srgb,var(--episode-muted) 88%,transparent);font-size:11px}.episode-content .mobile-theme-group>div{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px 8px}.episode-content .mobile-theme-group button{display:flex;align-items:center;justify-content:center;gap:5px;width:100%;min-width:0;height:28px;padding:0 8px;border:1px solid color-mix(in srgb,var(--episode-muted) 38%,transparent);border-radius:999px;color:color-mix(in srgb,var(--episode-text) 78%,transparent);background:var(--episode-panel);font-size:11px}.episode-content .mobile-theme-group button.active{border-color:color-mix(in srgb,var(--episode-text) 70%,transparent);color:var(--episode-inverse);background:color-mix(in srgb,var(--episode-text) 86%,var(--episode-accent))}.episode-content .mobile-theme-group .theme-preview{width:13px;height:13px;flex:0 0 13px}.episode-content .mobile-theme-group em{min-width:0;overflow:hidden;font-style:normal;text-overflow:ellipsis;white-space:nowrap}.episode-content .video-progress{position:fixed;z-index:35;left:0;right:0;bottom:76px;gap:8px;padding:6px 8px 8px;background:var(--episode-bg);font-size:11px}.episode-content .video-current,.episode-content .video-duration{width:34px;flex:0 0 34px}.episode-content .video-current{text-align:left}.episode-content .video-duration{text-align:right}.episode-content .player-layout aside{position:fixed;left:0;right:0;top:56.25vw;bottom:112px;display:flex;flex-direction:column;max-height:none;border:0;border-radius:0;background:var(--episode-bg);box-shadow:none;overflow:hidden}.episode-content .subtitle-panel-head{position:relative;display:block;padding:0;border-bottom:1px solid var(--episode-line);background:var(--episode-bg)}.episode-content .subtitle-panel-actions,.episode-content .desktop-settings-backdrop{display:none}.episode-content .ant-lesson-tabs{position:relative;flex:0 0 auto;top:auto;z-index:15;padding:0 24px;background:var(--episode-bg);border-bottom:1px solid var(--episode-line);border-radius:0}.episode-content .video-panel.video-hidden+.settings-sheet+.lesson-controls,.episode-content .video-panel.video-hidden~.lesson-controls{pointer-events:auto}.episode-content:has(.video-panel.video-hidden) .player-layout aside{top:0}.episode-content .ant-lesson-tabs .ant-tabs-nav{width:100%;margin:0 auto;padding:0;border-radius:0;background:transparent}.episode-content .ant-lesson-tabs .ant-tabs-nav:before,.episode-content .ant-lesson-tabs .ant-tabs-nav-wrap,.episode-content .ant-lesson-tabs .ant-tabs-nav-list,.episode-content .ant-lesson-tabs .ant-tabs-content-holder,.episode-content .ant-lesson-tabs .ant-tabs-content{border-radius:0}.episode-content .ant-lesson-tabs .ant-tabs-nav-list{width:100%;justify-content:space-between;gap:18px}.episode-content .ant-lesson-tabs .ant-tabs-tab{flex:0 0 auto;justify-content:center;margin:0;padding:12px 0 9px;color:var(--episode-muted);font-size:14px;font-weight:400;background:transparent!important}.episode-content .ant-lesson-tabs .ant-tabs-tab:nth-child(3),.episode-content .ant-lesson-tabs .ant-tabs-tab:nth-child(5){display:none}.episode-content .ant-lesson-tabs .ant-tabs-tab.ant-tabs-tab-active .ant-tabs-tab-btn{color:var(--episode-text)!important;font-weight:400!important}.episode-content .ant-lesson-tabs .ant-tabs-tab.ant-tabs-tab-active{background:transparent!important}.episode-content .ant-lesson-tabs .ant-tabs-tab-btn{padding:0!important;background:transparent!important;font-size:14px;font-weight:400!important}.episode-content .mode-cycle-tab{border:0;padding:0;color:inherit;background:transparent;font:inherit}.episode-content .ant-lesson-tabs .ant-tabs-ink-bar{display:block;height:3px;background:var(--episode-accent)}.tab-label-desktop{display:none}.tab-label-mobile{display:inline}.episode-content .subtitle-list{flex:1 1 auto;max-height:none;padding:14px 20px 96px;overflow:auto;-webkit-overflow-scrolling:touch}.episode-content .subtitle-row{margin:0;padding:16px 18px;border:0;border-bottom:1px solid var(--episode-line);border-radius:0;background:transparent;box-shadow:none}.episode-content .subtitle-row.active{margin:8px 0;padding:18px 18px 16px;border:1px solid var(--episode-line);border-radius:12px;background:var(--episode-active-bg);box-shadow:0 1px #ffffff0a inset;color:var(--episode-text)}.episode-content .subtitle-english{font-size:var(--subtitle-size, 18px);font-weight:400;line-height:1.45}.episode-content .subtitle-chinese{margin-top:5px;color:color-mix(in srgb,var(--episode-muted) 82%,transparent);font-size:max(11px,calc(var(--subtitle-size, 18px) - 5px));font-weight:400}.episode-content .subtitle-meta-line{margin-top:16px;margin-bottom:0;font-size:12px}.episode-content .subtitle-tools{gap:12px}.episode-content .subtitle-tools .ant-btn{width:24px;height:24px;min-width:24px;padding:0;color:color-mix(in srgb,var(--episode-muted) 62%,transparent);font-size:15px}.episode-content .subtitle-tools .ant-btn:hover{color:var(--episode-text);background:transparent}.episode-content .lesson-controls{position:fixed;z-index:40;left:0;right:0;bottom:0;grid-template-columns:repeat(7,minmax(0,1fr));gap:0;margin:0;padding:6px 8px 8px;border-top:0;background:var(--episode-bg)}.episode-content .lesson-controls.settings-open{display:none}.episode-content .progress-track{background:color-mix(in srgb,var(--episode-muted) 24%,transparent)}.episode-content .lesson-controls .tool-button:nth-child(3),.episode-content .lesson-controls .tool-button:nth-child(9),.episode-content .lesson-controls .tool-button:nth-child(10){display:none}.episode-content .tool-button{gap:2px;color:color-mix(in srgb,var(--episode-muted) 88%,transparent);font-weight:400}.episode-content .tool-button span{width:32px;height:32px;color:color-mix(in srgb,var(--episode-text) 82%,transparent);background:color-mix(in srgb,var(--episode-control-bg) 72%,transparent);font-size:17px}.episode-content .tool-button small{font-size:11px;font-weight:400}.episode-content .lesson-controls .tool-button:nth-child(8) small{font-size:0}.episode-content .lesson-controls .tool-button:nth-child(8) small:after{content:"精听";font-size:11px}.episode-content .settings-sheet{position:fixed;z-index:70;left:10px;right:auto;bottom:86px;width:min(370px,calc(100vw - 20px));padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:#232323b8;box-shadow:0 12px 30px #00000047;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.episode-content .settings-sheet .settings-row>span{display:none}.episode-content .settings-sheet .speed-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-top:0}.episode-content .settings-sheet .speed-grid button{min-height:44px;border-radius:10px;border-color:#ffffff29;color:#ffffffe0;background:#ffffff0d;font-size:17px;font-weight:650}}