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slideUpIndicator{0%{opacity:0;transform:translate(-50%) translateY(4px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.mobile-bottom-toolbar .toolbar-icon-btn.mode-active svg{color:var(--theme-learning-accent, #10b981)}.mobile-bottom-toolbar .toolbar-icon-btn.reading-active{position:relative}.mobile-bottom-toolbar .toolbar-icon-btn.reading-active:after{content:"";position:absolute;bottom:0;left:50%;transform:translate(-50%);width:32px;height:3px;background:var(--theme-learning-accent, #10b981);border-radius:2px 2px 0 0;animation:slideUpIndicator .3s ease-out}.mobile-bottom-toolbar .toolbar-icon-btn.reading-active svg{color:var(--theme-learning-accent, #10b981)}@media (prefers-color-scheme: dark) and (min-width: 769px){html:not([data-app-theme]) .subtitle-recording-controls{background:#1f2937}html:not([data-app-theme]) .subtitle-recording-controls:hover{background:#374151}html:not([data-app-theme]) .recording-btn{background:#374151;box-shadow:0 2px 4px #0000004d}html:not([data-app-theme]) .read-badge{background:#059669}html:not([data-app-theme]) .reading-progress-bar{background:#374151}html:not([data-app-theme]) .reading-progress-bar .progress-text{color:var(--theme-text-muted,#9ca3af)}html:not([data-app-theme]) .playback-rate-select-mobile{background:#4f46e5;color:#fff}html:not([data-app-theme]) .playback-rate-select-mobile:hover{background:#3730a3}html:not([data-app-theme]) .playback-rate-select-mobile:active{background:#312e81}}

.account-required-backdrop{position:fixed;inset:0;z-index:1400;display:grid;place-items:center;padding:20px;background:#141f1994;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px)}.account-required-dialog{position:relative;width:min(390px,100%);padding:44px 32px 28px;border:1px solid rgba(63,138,91,.16);border-radius:20px;background:radial-gradient(circle at 100% 0%,rgba(77,160,108,.11),transparent 38%),#fffefb;box-shadow:0 28px 70px #0a1c1147;color:#293a30;font-family:Poppins,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;text-align:center}.account-required-close{position:absolute;top:14px;right:14px;width:36px;height:36px;border:0;border-radius:50%;background:#293a3012;color:#5f6d64;font:400 25px/1 sans-serif;cursor:pointer}.account-required-dialog h2{margin:0;color:#24352c;font-size:26px;font-weight:700;line-height:1.3}.account-required-copy{margin:14px auto 26px;color:#69766e;font-size:15px;line-height:1.75}.account-required-purchase,.account-required-login{width:100%;min-height:50px;border-radius:11px;font-family:inherit;font-size:15px;font-weight:700;cursor:pointer}.account-required-purchase{border:0;background:linear-gradient(135deg,#50aa72,#358b58);box-shadow:0 12px 25px #358b583d;color:#fff}.account-required-login{min-height:40px;margin-top:8px;border:0;background:transparent;color:#627067;font-size:14px;font-weight:500}@media (max-width: 480px){.account-required-backdrop{align-items:end;padding:12px}.account-required-dialog{padding:42px 24px 22px;border-radius:20px}.account-required-dialog h2{font-size:22px}}.subtitle-actions{position:absolute;top:6px;right:8px;z-index:2}.subtitle-item .subtitle-time{padding-right:44px;min-height:28px}.subtitle-more-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;padding:0;border:0;border-radius:50%;color:var(--theme-text-secondary, #64748b);background:transparent;cursor:pointer}.subtitle-more-btn:hover,.subtitle-more-btn[aria-expanded=true]{background:#94a3b824}.subtitle-more-btn.saved{color:var(--theme-accent-strong, #3f8a5b);background:var(--theme-accent-soft, #e8f3ea)}.subtitle-more-btn.saved:hover,.subtitle-more-btn.saved[aria-expanded=true]{background:var(--theme-accent-soft-strong, #dcecdf)}.subtitle-more-btn:focus-visible,.subtitle-actions-menu.keyboard-navigation button:focus-visible{outline:2px solid var(--theme-learning-accent, #10b981);outline-offset:-2px}.subtitle-actions-menu{position:fixed;outline:none;z-index:10000;width:160px;padding:8px;background:var(--theme-surface, #fff);color:var(--theme-text-primary, #334155);border:1px solid rgba(148,163,184,.2);border-radius:12px;box-shadow:0 8px 28px #0f172a29}.subtitle-actions-menu button{display:flex;align-items:center;gap:10px;width:100%;min-height:36px;padding:0 10px;border:0;border-radius:8px;outline:none;color:inherit;background:transparent;font-size:14px;font-family:inherit;font-weight:400;line-height:20px;text-align:left;cursor:pointer}.subtitle-actions-menu button:hover{background:#94a3b81f}.subtitle-actions-menu button.saved{color:#fdba22}.subtitle-action-icon{width:20px;height:20px;flex-shrink:0}@media (pointer: coarse){.subtitle-actions-menu button{min-height:44px}}.subtitle-actions-menu button:disabled,.subtitle-more-btn:disabled{opacity:.5;cursor:wait}.subtitle-action-toast{bottom:calc(200px + env(safe-area-inset-bottom,0px));z-index:10001;pointer-events:none}html.video-desktop-layout .subtitle-action-toast{bottom:24px}

/* ---- 短语/单词卡弹层（逐字复刻原站 useVideoLayerSuppression CSS） ---- */
.word-popup-overlay{position:fixed;inset:0;z-index:10000;background-color:#0f172a59;display:flex;align-items:center;justify-content:center;animation:overlayFadeIn .2s ease-out}

.word-popup-overlay.closing{animation:overlayFadeOut .2s ease-out forwards}

@keyframes overlayFadeIn{0%{opacity:0}to{opacity:1}}

@keyframes overlayFadeOut{0%{opacity:1}to{opacity:0}}

.word-popup-card{position:absolute;background:var(--theme-surface,#fff);border-radius:20px;box-shadow:0 18px 45px #0f172a40;padding:24px 20px 20px;min-width:290px;max-width:360px;animation:popupSlideIn .2s cubic-bezier(.34,1.56,.64,1);z-index:10001}

@media (min-width: 769px){.word-popup-card{left:var(--popup-x);top:var(--popup-y)}.word-popup-card.word-popup-top{transform:translate(-50%,calc(-100% - 10px))}.word-popup-card.word-popup-bottom{transform:translate(-50%)}}

@media (max-width: 768px){.word-popup-card{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);margin:0;max-width:calc(100vw - 40px)}.word-popup-card.closing{animation:popupSlideOutMobile .2s cubic-bezier(.4,0,.6,1) forwards}}

@keyframes popupSlideIn{0%{opacity:0;transform:translate(-50%,calc(-100% - 10px)) scale(.9)}to{opacity:1;transform:translate(-50%,calc(-100% - 10px)) scale(1)}}

@keyframes popupSlideInBottom{0%{opacity:0;transform:translate(-50%) scale(.9)}to{opacity:1;transform:translate(-50%) scale(1)}}

.word-popup-card.word-popup-bottom{animation:popupSlideInBottom .2s cubic-bezier(.34,1.56,.64,1)}

@media (max-width: 768px){@keyframes popupSlideIn{0%{opacity:0;transform:translate(-50%,-45%) scale(.92)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}@keyframes popupSlideOutMobile{0%{opacity:1;transform:translate(-50%,-50%) scale(1)}to{opacity:0;transform:translate(-50%,-45%) scale(.95)}}}

@media (min-width: 769px){.word-popup-card.word-popup-top.closing{animation:popupSlideOutTop .2s cubic-bezier(.4,0,.6,1) forwards}.word-popup-card.word-popup-bottom.closing{animation:popupSlideOutBottom .2s cubic-bezier(.4,0,.6,1) forwards}@keyframes popupSlideOutTop{0%{opacity:1;transform:translate(-50%,calc(-100% - 10px)) scale(1)}to{opacity:0;transform:translate(-50%,calc(-100% - 15px)) scale(.95)}}@keyframes popupSlideOutBottom{0%{opacity:1;transform:translate(-50%) scale(1)}to{opacity:0;transform:translate(-50%,5px) scale(.95)}}}

.word-popup-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:14px}

.word-popup-title{font-size:26px;font-weight:700;color:var(--theme-text,#1f2937);margin:0;flex:1}

.word-popup-close{background:transparent;border:none;margin-left:12px;padding:4px;border-radius:999px;cursor:pointer;color:var(--theme-text-muted,#9ca3af);display:inline-flex;align-items:center;justify-content:center}

.word-popup-close:active{background:var(--theme-surface-muted,#f3f4f6)}

.word-popup-phonetic{display:flex;align-items:center;gap:8px;margin-bottom:16px;justify-content:flex-start;width:100%}

.phonetic-text{font-size:17px;color:#6b7280;font-style:italic;font-family:Arial,Helvetica Neue,Noto Sans,Segoe UI,sans-serif;font-feature-settings:"liga" 0;display:inline-block;flex:0 1 auto;min-width:0;max-width:100%;line-height:1.55;white-space:normal;overflow-wrap:anywhere}

.phonetic-button{border:none;background:#f3f4f6;border-radius:999px;padding:4px;width:28px;height:28px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;color:#6b7280;transition:all .2s ease;flex:0 0 auto}

.phonetic-button:hover{background:#e5e7eb}

.phonetic-button:active{transform:scale(.96)}

.phonetic-button svg{display:block}

.word-popup-chinese{font-size:17px;font-weight:600;color:var(--theme-text,#1f2937);margin-bottom:14px;line-height:1.5}

.word-popup-english{margin-bottom:18px;padding:10px 12px;border-radius:10px;background:var(--theme-learning-action-soft,#e8f5e9);border-left:3px solid var(--theme-learning-accent,#2FBFA0);display:flex;align-items:center;gap:10px}

.word-popup-english-text{font-size:14px;color:var(--theme-learning-accent-strong,#065f46);line-height:1.6;flex:1}

.phrase-popup-title{line-height:1.35}

.phrase-popup-token-btn{border:none;background:transparent;color:inherit;font:inherit;line-height:inherit;padding:0 1px;margin:0;cursor:pointer;border-radius:4px}

.phrase-popup-token-btn:hover{color:var(--theme-learning-accent-strong,#047857)}

.phrase-popup-token-btn:active{color:var(--theme-learning-accent-strong,#065f46)}

.phrase-popup-token-btn:focus-visible{outline:2px solid var(--theme-learning-action-soft-strong,#86efac);outline-offset:1px}

.word-popup-footer{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--theme-border,#f3f4f6);padding-top:12px;margin-top:4px}

.word-popup-footer-text{font-size:14px;color:var(--theme-text-muted,#6b7280)}

.word-popup-footer-back{border:none;background:transparent;color:var(--theme-text-muted,#6b7280);padding:4px 6px;border-radius:8px;cursor:pointer;display:inline-flex;align-items:center;gap:2px;font-size:14px;font-weight:600}

.word-popup-footer-back:hover{background:var(--theme-surface-muted,#f3f4f6);color:var(--theme-text,#374151)}

.word-popup-footer-back:active{background:var(--theme-border,#e5e7eb)}

.word-popup-footer-back:focus-visible{outline:2px solid var(--theme-learning-action-soft-strong,#86efac);outline-offset:1px}

.word-popup-fav-btn{background:transparent;border:none;padding:8px;width:44px;height:44px;border-radius:999px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:background .15s ease}

.word-popup-fav-btn:hover,.word-popup-fav-btn:active{background:var(--theme-surface-muted,#f3f4f6)}

.word-popup-fav-btn:disabled{opacity:.6;cursor:default}

@media (max-width: 768px){.word-popup-card{padding:22px 18px 18px;min-width:270px}.word-popup-title{font-size:24px}.word-popup-chinese{font-size:16px}.word-popup-english{margin-bottom:16px}}

@media (max-width: 380px){.word-popup-card{min-width:240px}.word-popup-title{font-size:20px}}

/* ---- 实时查词弹窗加载/错误/多行释义（原版 useVideoLayerSuppression CSS） ---- */
.dict-loading{display:flex;align-items:center;gap:10px;padding:20px 0;color:#6b7280;font-size:14px}
.dict-spinner{width:20px;height:20px;border:2px solid #e5e7eb;border-top-color:var(--theme-learning-accent,#10b981);border-radius:50%;animation:dictSpin .6s linear infinite}
@keyframes dictSpin{to{transform:rotate(360deg)}}
.dict-error{padding:16px 0;color:#9ca3af;font-size:14px;text-align:center}
.dict-chinese-list{display:flex;flex-direction:column;gap:10px}
.dict-chinese-line{word-break:break-word}

/* ---- 未标注单词点选工具条（逐字复刻原站 useVideoLayerSuppression CSS） ---- */
.selection-toolbar-backdrop{position:fixed;inset:0;z-index:9998}
.selection-toolbar{display:inline-flex;background:#1f2937;border-radius:20px;padding:4px 6px;box-shadow:0 4px 16px #00000040;animation:selectionToolbarIn .15s ease-out}
.selection-toolbar-btn{display:inline-flex;align-items:center;gap:4px;background:transparent;border:none;color:#fff;font-size:13px;font-weight:500;padding:6px 12px;border-radius:16px;cursor:pointer;white-space:nowrap}
.selection-toolbar-pill{display:inline-flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;line-height:1;padding:2px 6px;border-radius:999px;background:#ffffff2e}
.selection-toolbar-word{display:inline-block;max-width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:600;letter-spacing:.2px}
.selection-toolbar-btn:active{background:#ffffff26}
@keyframes selectionToolbarIn{0%{opacity:0;transform:translate(-50%) translateY(4px) scale(.9)}to{opacity:1;transform:translate(-50%) translateY(0) scale(1)}}

/* ---- 移动端：底部工具栏弹层（桌面版同名规则在 min-width:769px 媒体内，移动端需镜像） ---- */
@media (max-width: 768px) {
.desktop-loop-popover{pointer-events:auto;position:fixed;z-index:10050;min-width:0;background:#fff;border:1px solid #e5e7eb;border-radius:10px;box-shadow:0 8px 24px #0000001f;padding:8px;overflow:hidden}
.dlp-title{color:#6b7280;font-size:12px;padding:6px 8px 4px}
.dlp-item{display:flex;align-items:center;gap:10px;height:36px;padding:0 10px;border-radius:8px;cursor:pointer}
.dlp-item:hover{background:#f3f4f6}
.dlp-item-button{width:100%;border:0;background:transparent;font:inherit;text-align:left}
.dlp-item-button:disabled{cursor:wait;opacity:.58}
.dlp-item-button:focus-visible{outline:3px solid rgba(16,185,129,.22);outline-offset:-2px}
.dlp-icon{width:20px;display:flex;align-items:center;justify-content:center;color:#4a4a4a}
.dlp-text{flex:1;color:#111827;font-size:14px}
.dlp-check{width:18px;display:flex;align-items:center;justify-content:center;color:var(--theme-learning-accent, #10b981)}
.dlp-divider{height:1px;background:#eef2f7;margin:6px 0}
.dlp-settings{padding:6px 8px 2px;display:flex;align-items:center;gap:10px}
.dlp-settings label{color:#6b7280;font-size:12px}
.dlp-select{border:1px solid #e5e7eb;border-radius:8px;background:#fff;height:30px;padding:0 8px;font-size:12px;color:#111827;-webkit-appearance:none;-moz-appearance:none;appearance:none}
.dlp-settings .ios-switch{transform:scale(.9)}
}

/* ---- 跟读练习：逐句录音控件（复刻原站 subtitle-recording-controls） ---- */
.subtitle-recording-controls{display:flex;align-items:center;gap:12px;padding:8px 12px;background:#f1f3f5;border-radius:8px;margin-top:8px;transition:all .2s}
.subtitle-recording-controls:hover{background:#e9ecef}
.recording-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border:none;border-radius:50%;cursor:pointer;transition:all .2s;background:#fff;box-shadow:0 2px 4px #0000001a;position:relative;touch-action:manipulation;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;-moz-user-select:none;user-select:none;overflow:hidden}
.recording-btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px #00000026}
.recording-btn:active{transform:translateY(0);box-shadow:0 2px 4px #0000001a}
.recording-btn.active{transform:scale(.92);box-shadow:0 1px 2px #0000001f}
.recording-btn.play{background:#3b82f6;color:#fff}
.recording-btn.play:hover{background:#2563eb}
.recording-btn.play:active{background:#1d4ed8}
.recording-btn.play.playing{background:#1d4ed8;box-shadow:0 0 0 4px #3b82f62e,0 6px 12px #1d4ed847}
.recording-btn.record{background:#ef4444;color:#fff}
.recording-btn.record:hover{background:#dc2626}
.recording-btn.record:active{background:#b91c1c}
.recording-btn.record.recording{box-shadow:0 0 0 4px #ef444433}
.recording-animation{display:flex;align-items:center;justify-content:center;width:100%;height:100%}
.recording-stop-icon{width:12px;height:12px;border-radius:3px;background:currentColor}
.recording-animation .pulse,.recording-stop-icon{animation:iconPulse 1s infinite}
@keyframes iconPulse{0%,to{opacity:1}50%{opacity:.7}}
.recording-btn.playback{background:var(--theme-learning-accent, #10b981);color:#fff}
.recording-btn.playback:hover{background:var(--theme-learning-accent-strong, #059669)}
.recording-btn.playback:active{background:var(--theme-learning-accent-strong, #047857)}
.recording-btn.playback.playing{background:var(--theme-learning-accent-strong, #047857);box-shadow:0 0 0 4px rgba(var(--theme-learning-accent-rgb, 16, 185, 129),.18),0 6px 12px rgba(var(--theme-learning-accent-rgb, 16, 185, 129),.28)}
.recording-btn.playback.disabled{background:#d1d5db;color:#9ca3af;cursor:not-allowed;opacity:.5}
.recording-btn.playback.disabled:hover{transform:none;box-shadow:0 2px 4px #0000001a;background:#d1d5db}
.recording-waveform{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;gap:3px;height:30px;margin-left:auto;padding:0 6px;color:#ef4444}
.recording-waveform>span{width:3px;border-radius:3px;background:currentColor;transform-origin:center;animation:recordingWave .8s ease-in-out infinite}
@keyframes recordingWave{0%,to{transform:scaleY(.25)}50%{transform:scaleY(1)}}
.processing-badge{margin-left:auto;padding:4px 12px;background:#f59e0b;color:#fff;border-radius:12px;font-size:12px;font-weight:500;white-space:nowrap;animation:fadeInBadge .3s ease-in,processingPulse 1.5s infinite}
@keyframes fadeInBadge{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}
@keyframes processingPulse{0%,to{opacity:1}50%{opacity:.7}}
.recording-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}
.recording-btn[aria-disabled=true]{cursor:not-allowed;opacity:.5}
@media (max-width: 768px){.subtitle-recording-controls{padding:8px 10px;gap:10px}.recording-btn{width:44px;height:44px}.recording-btn svg{width:18px;height:18px}.recording-btn:hover{transform:none;box-shadow:0 2px 4px #0000001a}.recording-btn:active,.recording-btn.active{transform:scale(.92)}.recording-btn:focus-visible{outline:2px solid #3b82f6;outline-offset:2px}.recording-btn[aria-disabled=true]{cursor:not-allowed;opacity:.5}}
@media (prefers-reduced-motion: reduce){.recording-waveform>span{animation:none;transform:scaleY(.65)}}
@media (prefers-color-scheme: dark) and (min-width: 769px){html:not([data-app-theme]) .subtitle-recording-controls{background:#1f2937}html:not([data-app-theme]) .subtitle-recording-controls:hover{background:#374151}html:not([data-app-theme]) .recording-btn{background:#374151;box-shadow:0 2px 4px #0000004d}}

/* ---- 内容精读：加载失败重试（原站 error-message 样式已在 app.css，此处补按钮） ---- */
.content-study-section .retry-button{margin-top:8px;padding:6px 16px;border:none;border-radius:6px;background:var(--primary-color,#2563eb);color:#fff;font-size:13px;cursor:pointer}
.content-study-section .retry-button:hover{background:var(--primary-hover,#1d4ed8)}

/* ---- 单词跟读高亮（karaoke）：播放时逐词突出当前读音 ----
   权重计时在 video.js 运行时算（数据无单词级时间戳）。
   高亮块用「背景色 + 同色 box-shadow 扩散」模拟内边距——阴影不参与布局，
   加/去高亮零 reflow（早期用 padding+负 margin，行尾词仍会抖动 ±3px）。
   配色：深主题色底 + 白字（2026-10-17 用户要求）；四主题色走 restyle.css 变量。 */
.sub-word{border-radius:5px;box-shadow:0 0 0 0 var(--theme-accent-strong,#E05B39);transition:color .12s ease,background-color .12s ease,box-shadow .12s ease}
.sub-word.on{color:#fff;background-color:var(--theme-accent-strong,#E05B39);box-shadow:0 0 0 3px var(--theme-accent-strong,#E05B39);box-decoration-break:clone;-webkit-box-decoration-break:clone}
/* 填空练习：未揭示的卡片词不能因跟读高亮泄题；已揭示的照常高亮（同样用阴影模拟内边距） */
.cloze-on .word-highlight.sub-word.on:not(.revealed),.cloze-on .phrase-highlight.sub-word.on:not(.revealed){color:transparent;background-color:var(--cloze-bg,#fdecc8);box-shadow:0 0 0 3px var(--cloze-bg,#fdecc8)}
.cloze-on .word-highlight.revealed.sub-word.on,.cloze-on .phrase-highlight.revealed.sub-word.on{color:var(--theme-accent-strong,#E05B39);background-color:var(--theme-accent-soft,#FFE3D6);box-shadow:0 0 0 3px var(--theme-accent-soft,#FFE3D6)}
@media (prefers-reduced-motion:reduce){.sub-word{transition:none}}

/* ---- 主题色切换圆点：桌面头部「时长/难度」行右侧 / 移动标题栏最右 ----
   15px 纯色小圆点（无图案），点击出纵向 4 圆点面板。底色跟随当前主题 accent。 */
.video-theme-dot{width:15px;height:15px;flex:0 0 auto;display:block;padding:0;border:0;border-radius:50%;background:var(--theme-accent);cursor:pointer;box-shadow:0 1px 4px var(--theme-shadow-color);transition:transform .15s ease,background-color .2s ease;-webkit-tap-highlight-color:transparent}
.video-theme-dot:hover{transform:scale(1.25)}
.video-meta .video-theme-dot{margin-left:6px}
.mobile-top-tab .video-theme-dot{margin-left:auto}
/* 面板：纵向 4 个小圆点，无文字（title 提供无障碍名称） */
.video-theme-panel{position:fixed;z-index:1200;display:flex;flex-direction:column;align-items:center;gap:10px;padding:10px;border:1px solid var(--theme-border-subtle);border-radius:20px;background:var(--theme-surface);box-shadow:0 18px 42px var(--theme-shadow-color);animation:videoThemePanelIn .14s ease-out}
@keyframes videoThemePanelIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.video-theme-opt{width:26px;height:26px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;background:transparent;cursor:pointer}
.video-theme-opt i{width:16px;height:16px;border-radius:50%;box-shadow:inset 0 0 0 1px #0000001f;transition:transform .12s ease}
.video-theme-opt:hover i{transform:scale(1.18)}
/* 当前主题：外圈环标记 */
.video-theme-opt.on i{box-shadow:inset 0 0 0 1px #0000001f,0 0 0 2px var(--theme-surface),0 0 0 4px var(--theme-accent-strong)}
@media (prefers-reduced-motion:reduce){.video-theme-panel{animation:none}}

/* CC BY 署名合规：简介标题右侧「作者：xxx」小字 + 点击弹出的来源说明。
   仅在 sidecar 带 source 时由 video.js 注入（占位符替换为空串），无数据时零像素影响。
   许可协议不在界面显示 —— 只在 HTML 源码里保留 rel=license 链接（机器可读）。
   颜色全部走主题变量，四主题自适应。 */
.video-src-wrap{float:right;position:relative;z-index:61;margin:-2px 0 0 10px;display:inline-block}
/* 弱化：无下划线、无 hover 变色，只比正文更淡一点；保留 cursor:pointer 提示可点 */
.video-src-chip{padding:1px 0;border:0;background:none;font-family:inherit;font-size:12px;font-weight:400;line-height:1.5;color:var(--theme-text-muted,#7A6B8A);opacity:.72;cursor:pointer;text-decoration:none;outline:none}
.video-src-chip:hover{color:var(--theme-text-muted,#7A6B8A);opacity:.72}
.video-src-pop{display:none;position:absolute;top:calc(100% + 8px);right:0;z-index:60;min-width:250px;max-width:320px;padding:12px 14px;border:1px solid var(--theme-border,#F2E5DA);border-radius:10px;background:var(--theme-surface,#FFFFFF);box-shadow:0 8px 24px rgba(64,48,78,.16);font-size:12px;font-weight:400;line-height:1.75;color:var(--theme-text-muted,#7A6B8A);text-align:left;white-space:normal}
.video-src-pop:not([hidden]){display:block}
.video-src-pop-title{display:block;font-weight:500;color:var(--theme-text,#40304E);margin-bottom:2px}
.video-src-pop-row{display:block;word-break:break-word}
/* 弹层内链接与正文同色、无下划线、hover 不变色（同样走弱化） */
.video-src-pop a{color:inherit;text-decoration:none;cursor:pointer;outline:none}
.video-src-pop a:hover{color:inherit;text-decoration:none;border-bottom-color:transparent}
.video-src-license{display:none}
@media (max-width:768px){.video-src-chip{font-size:11px}.video-src-pop{min-width:210px;max-width:260px;padding:10px 12px}}