@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--color-bg:#f5f5f7;--color-surface:#fff;--color-surface-2:#f0f0f3;--color-surface-3:#e8e8ec;--color-border:#e0e0e5;--color-text:#11181c;--color-text-secondary:#687076;--color-text-muted:#9ba1a6;--color-primary:#f5be27;--color-primary-hover:#e5ae17;--color-primary-bg:#f5be271f;--color-accent:#e67e22;--color-accent-bg:#e67e221a;--color-success:#22c55e;--color-danger:#ef4444;--color-highlight:#f5be27;--color-highlight-bg:#f5be271f;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 12px #00000014;--shadow-lg:0 8px 32px #0000001a;--sidebar-width:240px;--header-height:56px;--transition:.2s ease}[data-theme=dark]{--color-bg:#0f0f14;--color-surface:#1a1a22;--color-surface-2:#22222c;--color-surface-3:#2a2a36;--color-border:#2a2a36;--color-text:#e4e4e7;--color-text-secondary:#a1a1aa;--color-text-muted:#71717a;--color-primary-bg:#f5be2726;--color-highlight-bg:#f5be271a;--color-accent-bg:#e67e2226;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 12px #0006;--shadow-lg:0 8px 32px #00000080}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{background:var(--color-bg);height:100%;color:var(--color-text);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit}ul,ol{list-style:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--color-text-muted)}.app-layout{height:100vh;display:flex;overflow:hidden}.app-layout.no-sidebar .main-content{width:100%}.sidebar{width:var(--sidebar-width);background:var(--color-surface);border-right:1px solid var(--color-border);z-index:100;flex-direction:column;flex-shrink:0;display:flex}.sidebar-logo{border-bottom:1px solid var(--color-border);align-items:center;gap:12px;padding:20px 24px;display:flex}.sidebar-logo-img{object-fit:contain;width:38px;height:38px}.sidebar-logo-text{color:var(--color-text);font-size:17px;font-weight:700}.sidebar-nav{flex-direction:column;flex:1;gap:4px;padding:12px;display:flex}.sidebar-nav-link{border-radius:var(--radius-md);color:var(--color-text-secondary);transition:all var(--transition);align-items:center;gap:12px;padding:10px 14px;font-size:14px;font-weight:500;display:flex}.sidebar-nav-link:hover{background:var(--color-surface-2);color:var(--color-text)}.sidebar-nav-link.active{background:var(--color-primary-bg);color:var(--color-primary-hover)}.sidebar-nav-link .nav-icon{text-align:center;width:22px;font-size:18px}.sidebar-theme-toggle{background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer;border:none;border-radius:8px;align-items:center;gap:10px;margin:4px 12px;padding:10px 16px;font-size:13px;font-weight:500;transition:all .2s;display:flex}.sidebar-theme-toggle:hover{background:var(--color-surface-3);color:var(--color-text)}.sidebar-theme-toggle svg{font-size:16px}.sidebar-user{border-top:1px solid var(--color-border);align-items:center;gap:10px;padding:16px;display:flex}.sidebar-avatar{color:#fff;background:linear-gradient(135deg,#f5be27,#e67e22);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:34px;height:34px;font-size:14px;font-weight:700;display:flex}.sidebar-avatar img{object-fit:cover;border-radius:50%;width:100%;height:100%}.sidebar-user-info{flex:1;min-width:0}.sidebar-user-name{white-space:nowrap;text-overflow:ellipsis;font-size:13px;font-weight:600;overflow:hidden}.sidebar-user-email{color:var(--color-text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:11px;overflow:hidden}.main-content{flex-direction:column;flex:1;min-width:0;display:flex;overflow:hidden}.main-header{height:var(--header-height);background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-shrink:0;align-items:center;gap:16px;padding:0 24px;display:flex}.main-header-title{font-size:18px;font-weight:700}.main-header-search{flex:1;max-width:400px;position:relative}.main-header-search input{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-lg);width:100%;color:var(--color-text);transition:border-color var(--transition);outline:none;padding:8px 16px 8px 38px;font-size:13px}.main-header-search input:focus{border-color:var(--color-primary)}.main-header-search .search-icon{color:var(--color-text-muted);font-size:14px;position:absolute;top:50%;left:12px;transform:translateY(-50%)}.page-content{flex:1;padding:24px;overflow-y:auto}.video-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;display:grid}.video-card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);transition:all var(--transition);cursor:pointer;overflow:hidden}.video-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.video-card-thumb{aspect-ratio:16/9;background:var(--color-surface-2);position:relative;overflow:hidden}.video-card-thumb img{object-fit:cover;width:100%;height:100%}.video-card-duration{color:#fff;background:#000000b3;border-radius:4px;padding:2px 6px;font-size:11px;font-weight:600;position:absolute;bottom:8px;right:8px}.video-card-badge{text-transform:uppercase;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:700;position:absolute;top:8px;left:8px}.badge-free{background:var(--color-success);color:#fff}.badge-vip{color:#fff;background:linear-gradient(135deg,#f59e0b,#f97316)}.video-card-info{padding:14px}.video-card-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin-bottom:8px;font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.video-card-tags{flex-wrap:wrap;gap:6px;display:flex}.video-card-tag{background:var(--color-surface-3);color:var(--color-text-secondary);border-radius:4px;padding:2px 8px;font-size:11px}.category-tabs{flex-wrap:nowrap;gap:8px;padding-bottom:20px;display:flex;overflow-x:auto}.category-tab{border-radius:var(--radius-lg);background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);white-space:nowrap;transition:all var(--transition);cursor:pointer;padding:6px 16px;font-size:13px;font-weight:500}.category-tab:hover{border-color:var(--color-primary);color:var(--color-text)}.category-tab.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.video-detail-layout{height:calc(100vh - var(--header-height));color:var(--color-text);background:#f8f9fb;grid-template-columns:1fr 480px;display:grid;overflow:hidden}.video-detail-left{background:#f8f9fb;flex-direction:column;align-items:center;padding:20px 32px 0;display:flex;overflow-y:auto}.video-player-container{aspect-ratio:16/9;border-radius:16px;flex-shrink:0;width:100%;max-width:960px;position:relative;overflow:hidden;box-shadow:0 4px 24px #0000001f}.video-player-container iframe,.video-player-container video{display:block;position:absolute;top:0;left:0;width:100%!important;height:100%!important}.theater-mode{z-index:1000;background:#000;position:fixed;inset:0;grid-template-columns:1fr!important}.theater-mode .video-detail-left{background:#000;padding:0;overflow:visible}.theater-mode .video-player-container{max-width:100%;box-shadow:none;height:calc(100vh - 120px);aspect-ratio:unset;border-radius:0}.theater-mode .video-detail-right,.theater-mode .current-sub-card{display:none}.theater-mode .video-controls{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);background:#000000b3;border:none}.theater-mode .video-controls .control-btn,.theater-mode .video-controls .control-btn-label{color:#ccc}.theater-mode .video-controls .control-btn:hover{color:#fff}.theater-mode .video-controls .control-btn-play{background:var(--color-primary)}.theater-subtitle-overlay{pointer-events:none;z-index:10;flex-direction:column;align-items:center;gap:4px;max-width:85%;display:flex;position:absolute;bottom:24px;left:50%;transform:translate(-50%)}.theater-subtitle-text{color:#fff;text-shadow:0 2px 6px #000000e6,0 0 3px #000c;padding:4px 8px;font-size:30px;font-weight:600;line-height:1.5}.theater-subtitle-translation{color:#ccc;text-shadow:0 1px 3px #000000e6,0 0 2px #000c;padding:2px 8px;font-size:20px;line-height:1.4}.video-controls{background:#fff;border:1px solid #e5e7eb;border-radius:14px;flex-wrap:wrap;flex-shrink:0;justify-content:center;align-items:center;gap:6px;width:100%;max-width:960px;margin-top:16px;padding:10px 20px;display:flex;box-shadow:0 2px 8px #0000000a}.control-btn{color:#6b7280;cursor:pointer;background:0 0;border:none;border-radius:10px;flex-direction:column;align-items:center;gap:2px;padding:8px 14px;font-size:18px;transition:all .2s;display:flex}.control-btn:hover{color:#111827;background:#f3f4f6}.control-btn.active{color:#d4a017;background:#f5be271f}.control-btn-label{font-size:10px;font-weight:500}.control-btn-play{color:#fff;cursor:pointer;background:#f5be27;border:none;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;transition:all .2s;display:flex;box-shadow:0 2px 12px #f5be274d}.control-btn-play:hover{background:#e5ae17;transform:scale(1.06);box-shadow:0 4px 20px #f5be2766}.current-sub-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:16px;flex-shrink:0;width:100%;max-width:960px;min-height:80px;margin-top:16px;padding:20px 24px;box-shadow:0 2px 8px #0000000a}.current-sub-body{align-items:flex-start;gap:16px;display:flex}.current-sub-text{flex:1;font-size:20px;font-weight:600;line-height:1.9}.current-sub-actions{flex-direction:row;flex-shrink:0;align-items:center;gap:8px;display:flex}.current-sub-action{border:1px solid var(--color-border);background:var(--color-surface-2);width:38px;height:38px;color:var(--color-text-secondary);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;transition:all .2s;display:flex}.current-sub-action:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-bg)}.current-sub-action.accent{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.current-sub-action.accent:hover{background:var(--color-primary-hover)}.current-sub-translation{border-top:1px solid var(--color-border);color:var(--color-text-secondary);margin-top:10px;padding-top:10px;font-size:14px;line-height:1.5}.current-sub-empty{color:var(--color-text-muted);text-align:center;padding:16px 0;font-size:15px}.current-sub-card .highlight-word{color:var(--color-accent);cursor:pointer;border-bottom:2px solid var(--color-accent);padding-bottom:1px;font-weight:600;transition:border-color .2s}.current-sub-card .highlight-word:hover{border-bottom-color:var(--color-primary)}.video-current-subtitle{display:none}.vocab-list-item{cursor:pointer;border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:12px 20px;transition:background .15s;display:flex}.vocab-list-item:last-child{border-bottom:none}.vocab-list-item:hover{background:var(--color-surface-2)}.vocab-list-badge{color:#fff;background:#28a745;border-radius:4px;padding:2px 8px;font-size:10px;font-weight:700}.vocab-list-speak{cursor:pointer;color:var(--color-text-muted);background:0 0;border:none;border-radius:6px;padding:4px;transition:all .15s}.vocab-list-speak:hover{color:var(--color-primary);background:var(--color-primary-bg)}.speed-menu{background:var(--color-surface);border:1px solid var(--color-border);z-index:50;border-radius:10px;flex-direction:column;min-width:70px;padding:4px;animation:.15s speedMenuIn;display:flex;position:absolute;bottom:calc(100% + 8px);left:50%;transform:translate(-50%);box-shadow:0 8px 24px #0000001f}.speed-menu-item{color:var(--color-text-secondary);cursor:pointer;text-align:center;background:0 0;border:none;border-radius:6px;padding:8px 12px;font-size:13px;font-weight:600;transition:all .15s}.speed-menu-item:hover{background:var(--color-surface-2);color:var(--color-text)}.speed-menu-item.active{background:var(--color-primary);color:#fff}@keyframes speedMenuIn{0%{opacity:0;transform:translate(-50%)translateY(4px)}to{opacity:1;transform:translate(-50%)translateY(0)}}.video-detail-right{background:#fff;border-left:1px solid #e5e7eb;flex-direction:column;display:flex;overflow:hidden}.subtitle-header{background:#fff;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.subtitle-header-title{color:var(--color-text);letter-spacing:.3px;font-size:15px;font-weight:700}.subtitle-tabs{gap:4px;display:flex}.subtitle-tab{cursor:pointer;color:#9ca3af;background:0 0;border:none;border-radius:6px;padding:4px 12px;font-size:12px;font-weight:600;transition:all .2s}.subtitle-tab:hover{color:#374151;background:#f3f4f6}.subtitle-tab.active{color:#fff;background:#f5be27}.subtitle-list{scroll-behavior:smooth;flex:1;padding:8px 0;overflow-y:auto}.subtitle-list::-webkit-scrollbar{width:5px}.subtitle-list::-webkit-scrollbar-track{background:0 0}.subtitle-list::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:3px}.subtitle-list::-webkit-scrollbar-thumb:hover{background:#9ca3af}.subtitle-item{cursor:pointer;background:#fff;border:1px solid #eef0f2;border-radius:12px;margin:4px 10px;padding:14px 16px;transition:all .25s;box-shadow:0 1px 3px #00000008}.subtitle-item:hover{border-color:#d1d5db;transform:translateY(-1px);box-shadow:0 2px 8px #0000000f}.subtitle-item.active{background:linear-gradient(135deg,#f5be2714,#f5be2708);border-color:#f5be27;box-shadow:0 2px 12px #f5be271f}.subtitle-item-text{color:#1f2937;margin-bottom:3px;font-size:15px;line-height:1.6}.subtitle-item.active .subtitle-item-text{color:#111827;font-weight:500}.subtitle-item-translation{color:#6b7280;font-size:13px;line-height:1.4}.subtitle-item.active .subtitle-item-translation{color:#374151}.subtitle-item-meta{color:#9ca3af;align-items:center;gap:12px;margin-top:8px;font-size:11px;display:flex}.subtitle-item-meta .meta-actions{opacity:0;gap:6px;margin-left:auto;transition:opacity .2s;display:flex}.subtitle-item:hover .subtitle-item-meta .meta-actions{opacity:1}.subtitle-item-meta .meta-action{color:#6b7280;cursor:pointer;background:#f3f4f6;border:none;border-radius:6px;padding:4px 6px;font-size:13px;transition:all .2s}.subtitle-item-meta .meta-action:hover{color:#d4a017;background:#f5be2726}.video-detail-header{background:#f8f9fb!important;border-bottom:1px solid #e5e7eb!important}[data-theme=dark] .video-detail-layout{color:#e4e4e7;background:#0a0a0f}[data-theme=dark] .video-detail-left{background:#0a0a0f}[data-theme=dark] .video-player-container{box-shadow:0 8px 40px #00000080}[data-theme=dark] .video-controls{-webkit-backdrop-filter:blur(16px);box-shadow:none;background:#ffffff0f;border:1px solid #ffffff14}[data-theme=dark] .control-btn{color:#a1a1aa}[data-theme=dark] .control-btn:hover{color:#fafafa;background:#ffffff14}[data-theme=dark] .control-btn.active{color:#f5be27;background:#f5be2726}[data-theme=dark] .control-btn-play{color:#0a0a0f;box-shadow:0 0 20px #f5be274d}[data-theme=dark] .control-btn-play:hover{background:#ffd04a;box-shadow:0 0 30px #f5be2780}[data-theme=dark] .video-current-subtitle{color:#fafafa}[data-theme=dark] .video-current-subtitle .highlight-word{color:#f5be27;border-bottom-color:#f5be2780}[data-theme=dark] .video-detail-right{background:#111118;border-left-color:#ffffff0f}[data-theme=dark] .subtitle-header{background:#111118;border-bottom-color:#ffffff0f}[data-theme=dark] .subtitle-header-title{color:#fafafa}[data-theme=dark] .subtitle-tab{color:#71717a}[data-theme=dark] .subtitle-tab:hover{color:#d4d4d8;background:#ffffff0f}[data-theme=dark] .subtitle-tab.active{color:#0a0a0f;background:#f5be27}[data-theme=dark] .subtitle-list::-webkit-scrollbar-thumb{background:#ffffff1f}[data-theme=dark] .subtitle-list::-webkit-scrollbar-thumb:hover{background:#fff3}[data-theme=dark] .subtitle-item{box-shadow:none;background:#ffffff08;border-color:#ffffff0f}[data-theme=dark] .subtitle-item:hover{background:#ffffff0f;border-color:#ffffff1a;box-shadow:0 2px 8px #0003}[data-theme=dark] .subtitle-item.active{background:#f5be2714;border-color:#f5be274d;box-shadow:0 2px 12px #f5be271a}[data-theme=dark] .subtitle-item-text{color:#e4e4e7}[data-theme=dark] .subtitle-item.active .subtitle-item-text{color:#fafafa}[data-theme=dark] .subtitle-item-translation{color:#71717a}[data-theme=dark] .subtitle-item.active .subtitle-item-translation{color:#a1a1aa}[data-theme=dark] .subtitle-item-meta{color:#52525b}[data-theme=dark] .subtitle-item-meta .meta-action{color:#a1a1aa;background:#ffffff0f}[data-theme=dark] .subtitle-item-meta .meta-action:hover{color:#f5be27;background:#f5be2726}[data-theme=dark] .video-detail-header{color:#fafafa!important;background:#0a0a0f!important;border-bottom:1px solid #ffffff0f!important}[data-theme=dark] .current-sub-card{box-shadow:none;background:#111118;border-color:#ffffff0f}[data-theme=dark] .current-sub-translation{color:#a1a1aa;border-top-color:#ffffff0f}[data-theme=dark] .current-sub-action{color:#a1a1aa;background:#ffffff0f;border-color:#ffffff1a}[data-theme=dark] .current-sub-action:hover{color:#f5be27;background:#f5be2726;border-color:#f5be274d}[data-theme=dark] .current-sub-empty{color:#52525b}@media (width>=1600px){.video-detail-layout{grid-template-columns:1fr 540px}}@media (width<=900px){.video-detail-layout{grid-template-rows:auto auto;grid-template-columns:1fr}.video-detail-left{padding:12px 12px 0;overflow-y:visible}.video-detail-right{border-top:1px solid #e5e7eb;border-left:none}.video-controls{flex-wrap:wrap;gap:2px;padding:8px}.control-btn{padding:6px 8px;font-size:16px}.control-btn-label{display:none}.control-btn-play{width:40px;height:40px;font-size:18px}.video-current-subtitle{min-height:80px;padding:16px 12px;font-size:16px}.subtitle-item{margin:2px 4px;padding:12px 14px}[data-theme=dark] .video-detail-right{border-top-color:#ffffff0f}}.subtitle-toggle-btn{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);width:100%;color:var(--color-text);cursor:pointer;justify-content:center;align-items:center;gap:8px;margin-top:12px;padding:10px 16px;font-size:13px;font-weight:600;display:none}@media (width<=600px){.subtitle-toggle-btn{display:flex}.current-sub-card.mobile-hidden{display:none}}.dictionary-layout{height:calc(100vh - var(--header-height) - 48px);grid-template-columns:1fr 1fr;gap:24px;display:grid}.dictionary-search-panel{flex-direction:column;display:flex}.dictionary-search-box{margin-bottom:16px;position:relative}.dictionary-search-box input{background:var(--color-surface);border:2px solid var(--color-border);border-radius:var(--radius-lg);width:100%;color:var(--color-text);transition:border-color var(--transition);outline:none;padding:12px 16px 12px 44px;font-size:16px}.dictionary-search-box input:focus{border-color:var(--color-primary)}.dictionary-search-box .search-icon{color:var(--color-text-muted);font-size:18px;position:absolute;top:50%;left:14px;transform:translateY(-50%)}.similar-words-list{flex:1;overflow-y:auto}.similar-word-item{border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);align-items:center;gap:12px;padding:10px 14px;display:flex}.similar-word-item:hover{background:var(--color-surface-2)}.similar-word-char{min-width:60px;font-size:20px;font-weight:700}.similar-word-pinyin{color:var(--color-primary-hover);font-size:13px}.similar-word-meaning{color:var(--color-text-secondary);flex:1;font-size:13px}.word-detail-panel{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);padding:24px;overflow-y:auto}.word-detail-header{border-bottom:1px solid var(--color-border);align-items:flex-end;gap:16px;margin-bottom:24px;padding-bottom:20px;display:flex}.word-detail-char{font-size:48px;font-weight:800;line-height:1}.word-detail-pinyin{color:var(--color-primary-hover);font-size:18px;font-weight:500}.word-detail-hanviet{color:var(--color-accent);font-size:14px}.word-detail-section{margin-bottom:20px}.word-detail-section-title{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);margin-bottom:8px;font-size:12px;font-weight:700}.word-detail-meaning{font-size:16px;line-height:1.5}.word-example-item{background:var(--color-surface-2);border-radius:var(--radius-md);margin-bottom:8px;padding:10px 14px}.word-example-chinese{margin-bottom:2px;font-size:15px;font-weight:500}.word-example-pinyin{color:var(--color-text-muted);font-size:12px}.word-example-vietnamese{color:var(--color-text-secondary);margin-top:4px;font-size:13px}.related-word-tag{background:var(--color-surface-2);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);align-items:center;gap:6px;margin:0 6px 6px 0;padding:4px 12px;font-size:13px;display:inline-flex}.related-word-tag:hover{background:var(--color-primary-bg);color:var(--color-primary-hover)}.vocabulary-layout{height:calc(100vh - var(--header-height) - 48px);grid-template-columns:280px 1fr;gap:24px;display:grid}.vocabulary-categories{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);overflow-y:auto}.vocabulary-category-header{text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-muted);border-bottom:1px solid var(--color-border);padding:16px;font-size:13px;font-weight:700}.vocabulary-category-item{cursor:pointer;transition:all var(--transition);justify-content:space-between;align-items:center;padding:10px 16px;font-size:14px;display:flex}.vocabulary-category-item:hover{background:var(--color-surface-2)}.vocabulary-category-item.active{background:var(--color-primary-bg);color:var(--color-primary-hover)}.vocabulary-category-count{background:var(--color-surface-3);color:var(--color-text-muted);border-radius:10px;padding:2px 8px;font-size:12px}.vocabulary-words{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);overflow-y:auto}.word-list-item{border-bottom:1px solid var(--color-border);cursor:pointer;transition:all var(--transition);align-items:center;gap:16px;padding:12px 20px;display:flex}.word-list-item:hover{background:var(--color-surface-2)}.word-list-item:last-child{border-bottom:none}.word-list-thumb{border-radius:var(--radius-md);background:var(--color-surface-3);flex-shrink:0;width:44px;height:44px;overflow:hidden}.word-list-thumb img{object-fit:cover;width:100%;height:100%}.word-list-thumb.thumb-fallback{color:var(--color-primary);background:var(--color-primary-bg);justify-content:center;align-items:center;font-size:20px;font-weight:700;display:flex}.word-list-char{min-width:60px;font-size:18px;font-weight:700}.word-list-pinyin{color:var(--color-primary-hover);min-width:80px;font-size:13px}.word-list-meaning{color:var(--color-text-secondary);flex:1;font-size:13px}.stories-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.story-card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition);overflow:hidden}.story-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.story-card-thumb{aspect-ratio:4/3;background:var(--color-surface-2);overflow:hidden}.story-card-thumb img{object-fit:cover;width:100%;height:100%}.story-card-info{padding:12px 14px}.story-card-title{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:14px;font-weight:600;line-height:1.4;display:-webkit-box;overflow:hidden}.story-reader{max-width:800px;margin:0 auto}.story-reader-title{margin-bottom:8px;font-size:28px;font-weight:800}.story-reader-subtitle{color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);margin-bottom:32px;padding-bottom:24px;font-size:18px}.story-subtitle-row{border-bottom:1px solid var(--color-border);padding:16px 0}.story-subtitle-text{margin-bottom:4px;font-size:20px;font-weight:500}.story-subtitle-pronounce{color:var(--color-primary-hover);margin-bottom:4px;font-size:14px}.story-subtitle-meaning{color:var(--color-text-secondary);font-size:15px}.profile-container{max-width:600px;margin:0 auto}.profile-card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);margin-bottom:20px;padding:24px}.profile-card-title{margin-bottom:16px;font-size:16px;font-weight:700}.profile-avatar-section{align-items:center;gap:20px;margin-bottom:20px;display:flex}.profile-avatar-large{color:#fff;background:linear-gradient(135deg,#f5be27,#e67e22);border-radius:50%;justify-content:center;align-items:center;width:72px;height:72px;font-size:28px;font-weight:800;display:flex}.profile-avatar-large img{object-fit:cover;border-radius:50%;width:100%;height:100%}.profile-info-name{font-size:22px;font-weight:700}.profile-info-email{color:var(--color-text-secondary);font-size:14px}.checkin-widget{border-radius:var(--radius-md);background:linear-gradient(135deg,#f5be271a,#e67e2214);justify-content:space-between;align-items:center;margin-bottom:16px;padding:16px;display:flex}.checkin-stats{gap:24px;display:flex}.checkin-stat{text-align:center}.checkin-stat-value{color:var(--color-primary-hover);font-size:24px;font-weight:800}.checkin-stat-label{color:var(--color-text-muted);text-transform:uppercase;font-size:11px}.checkin-btn{border-radius:var(--radius-lg);background:var(--color-primary);color:#fff;transition:all var(--transition);border:none;padding:10px 24px;font-size:14px;font-weight:600}.checkin-btn:hover{background:var(--color-primary-hover)}.checkin-btn:disabled{opacity:.5;cursor:not-allowed}.profile-menu-item{border-bottom:1px solid var(--color-border);cursor:pointer;transition:color var(--transition);justify-content:space-between;align-items:center;padding:12px 0;display:flex}.profile-menu-item:last-child{border-bottom:none}.profile-menu-item:hover{color:var(--color-primary-hover)}.profile-menu-item.danger{color:var(--color-danger)}.login-page{background:linear-gradient(135deg,#f5f5f7 0%,#e8e8ec 100%);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--color-surface);border-radius:var(--radius-xl);border:1px solid var(--color-border);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{border-radius:var(--radius-lg);color:#fff;background:linear-gradient(135deg,#f5be27,#e67e22);justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:12px;font-size:24px;font-weight:800;display:inline-flex}.login-title{font-size:24px;font-weight:800}.login-subtitle{color:var(--color-text-secondary);margin-top:4px;font-size:14px}.login-form{flex-direction:column;gap:14px;display:flex}.form-group{flex-direction:column;gap:6px;display:flex}.form-label{color:var(--color-text-secondary);font-size:13px;font-weight:600}.form-input{background:var(--color-surface-2);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text);transition:border-color var(--transition);outline:none;padding:10px 14px;font-size:14px}.form-input:focus{border-color:var(--color-primary)}.btn-primary{background:var(--color-primary);color:#fff;border-radius:var(--radius-md);transition:all var(--transition);border:none;padding:12px;font-size:14px;font-weight:600}.btn-primary:hover{background:var(--color-primary-hover)}.btn-secondary{background:var(--color-surface-2);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition);padding:12px;font-size:14px;font-weight:600}.btn-secondary:hover{background:var(--color-surface-3)}.subtitle-word-group.large .subtitle-word-char{font-size:22px}.subtitle-word-group.large .subtitle-word-pinyin{font-size:12px}.subtitle-word-clickable.large{font-size:22px}.btn-google{color:#333;border-radius:var(--radius-md);transition:all var(--transition);background:#fff;border:none;justify-content:center;align-items:center;gap:10px;padding:12px;font-size:14px;font-weight:600;display:flex}.btn-google:hover{background:#f3f3f3}.login-divider{color:var(--color-text-muted);align-items:center;gap:16px;margin:8px 0;font-size:12px;display:flex}.login-divider:before,.login-divider:after{content:"";background:var(--color-border);flex:1;height:1px}.login-footer{text-align:center;color:var(--color-text-secondary);margin-top:20px;font-size:13px}.login-footer a{color:var(--color-primary-hover);font-weight:600}.pagination{justify-content:center;align-items:center;gap:8px;margin-top:24px;display:flex}.pagination-btn{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);padding:6px 14px;font-size:13px;font-weight:500}.pagination-btn:hover{border-color:var(--color-primary);color:var(--color-text)}.pagination-btn.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.pagination-btn:disabled{opacity:.3;cursor:not-allowed}.video-lock-content{flex-direction:column;flex:1;justify-content:center;align-items:center;padding:32px 24px;display:flex;overflow-y:auto}.lock-banner{border-radius:var(--radius-lg);background:#fffbeb;border:1px solid #f5be2733;align-items:center;gap:14px;width:100%;margin-bottom:20px;padding:16px;display:flex}.lock-icon-circle{width:48px;height:48px;color:var(--color-primary);background:#f5be2726;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:22px;display:flex}.lock-banner-title{color:var(--color-text);margin-bottom:2px;font-size:16px;font-weight:700}.lock-banner-subtitle{color:var(--color-text-muted);font-size:13px}.lock-description{color:var(--color-text-secondary);text-align:center;margin-bottom:20px;font-size:15px;line-height:1.6}.lock-credit-card{background:var(--color-surface);border-radius:var(--radius-md);border:1px solid var(--color-border);color:var(--color-text-secondary);align-items:center;gap:6px;margin-bottom:20px;padding:12px 20px;font-size:15px;display:flex}.lock-unlock-btn{border-radius:var(--radius-lg);background:var(--color-primary);color:#fff;cursor:pointer;width:100%;transition:all var(--transition);border:none;justify-content:center;align-items:center;gap:8px;padding:16px;font-size:16px;font-weight:700;display:flex;box-shadow:0 3px 12px #f5be2740}.lock-unlock-btn:hover{background:var(--color-primary-hover)}.lock-unlock-btn.disabled{box-shadow:none;cursor:not-allowed;background:#d1d5db}.lock-insufficient{color:#ef4444;text-align:center;margin-top:8px;font-size:13px}.lock-divider{align-items:center;width:100%;margin:20px 0;display:flex}.lock-divider-line{background:var(--color-border);flex:1;height:1px}.lock-divider-text{color:var(--color-text-muted);margin:0 16px;font-size:13px}.lock-vip-btn{border:2px solid var(--color-primary);border-radius:var(--radius-lg);width:100%;color:var(--color-primary);cursor:pointer;transition:all var(--transition);background:#fffdf5;justify-content:center;align-items:center;gap:8px;padding:14px;font-size:16px;font-weight:700;display:flex}.lock-vip-btn:hover{background:#fff8e1}.vip-modal{background:var(--color-surface);border-radius:var(--radius-xl);width:92%;max-width:560px;max-height:90vh;padding:36px 32px;animation:.2s fadeIn;position:relative;overflow-y:auto}.vip-modal-header{text-align:center;margin-bottom:24px}.vip-modal-badge{color:#fff;letter-spacing:1.5px;background:linear-gradient(135deg,#f5be27,#f97316);border-radius:20px;margin-bottom:10px;padding:5px 20px;font-size:14px;font-weight:800;display:inline-block}.vip-modal-header h2{color:var(--color-text);margin-bottom:4px;font-size:24px;font-weight:800}.vip-modal-header p{color:var(--color-text-muted);font-size:14px}.vip-features{grid-template-columns:1fr 1fr;gap:8px;margin-bottom:24px;display:grid}.vip-feature-item{color:var(--color-text-secondary);border-radius:var(--radius-sm);background:var(--color-surface-2);align-items:center;gap:8px;padding:8px 12px;font-size:13px;display:flex}.vip-plans{grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:24px;display:grid}.vip-plan{border:2px solid var(--color-border);border-radius:var(--radius-md);text-align:center;transition:all var(--transition);padding:16px 8px;position:relative}.vip-plan--hot{border-color:var(--color-primary);background:var(--color-primary-bg)}.vip-plan-tag{background:var(--color-primary);color:#fff;white-space:nowrap;border-radius:20px;padding:2px 10px;font-size:10px;font-weight:700;position:absolute;top:-10px;left:50%;transform:translate(-50%)}.vip-plan-name{color:var(--color-text-muted);margin-bottom:6px;font-size:12px;font-weight:600}.vip-plan-price{color:var(--color-text);font-size:16px;font-weight:800;line-height:1.2}.vip-plan-period{color:var(--color-text-muted);margin-top:4px;font-size:11px}.vip-bank{background:var(--color-surface-2);border-radius:var(--radius-md);align-items:center;gap:20px;margin-bottom:16px;padding:16px;display:flex}.vip-bank-qr{flex-shrink:0;width:180px}.vip-bank-qr img{border-radius:var(--radius-sm);width:100%}.vip-bank-text{flex-direction:column;flex:1;gap:10px;display:flex}.vip-bank-text>div{flex-direction:column;gap:1px;display:flex}.vip-bank-text span{color:var(--color-text-muted);font-size:11px}.vip-bank-text strong{color:var(--color-text);font-size:14px}.vip-steps{background:var(--color-surface-2);border-radius:var(--radius-md);flex-direction:column;gap:6px;margin-bottom:20px;padding:14px 16px;display:flex}.vip-steps span{color:var(--color-text-secondary);font-size:13px}.vip-cta{border-radius:var(--radius-lg);color:#fff;width:100%;transition:all var(--transition);background:#1877f2;justify-content:center;align-items:center;padding:14px;font-size:15px;font-weight:700;text-decoration:none;display:flex}.vip-cta:hover{background:#1565c0}.vip-banner{border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition);background:linear-gradient(135deg,#fef3c7,#fde68a);border:1px solid #f59e0b;justify-content:space-between;align-items:center;gap:16px;margin:0 24px;padding:14px 20px;display:flex}.vip-banner:hover{box-shadow:0 4px 16px #f59e0b40}.vip-banner-content{align-items:center;gap:12px;display:flex}.vip-banner-icon{color:#d97706;flex-shrink:0;font-size:24px}.vip-banner-title{color:#92400e;font-size:14px;font-weight:700}.vip-banner-desc{color:#a16207;margin-top:2px;font-size:12px}.vip-banner-btn{color:#fff;border-radius:var(--radius-md);white-space:nowrap;background:#f59e0b;flex-shrink:0;padding:8px 16px;font-size:12px;font-weight:700}[data-theme=dark] .vip-banner{background:linear-gradient(135deg,#f59e0b26,#d977061a);border-color:#f59e0b4d}[data-theme=dark] .vip-banner-title{color:#fbbf24}[data-theme=dark] .vip-banner-desc{color:#d97706}@media (width<=600px){.vip-banner{flex-direction:column;align-items:flex-start;margin:0 12px;padding:12px 14px}.vip-banner-btn{text-align:center;width:100%}}.vip-upsell-card{cursor:pointer;transition:all var(--transition);background:linear-gradient(135deg,#fffbeb,#fef3c7)!important;border:2px solid #f59e0b!important}.vip-upsell-card:hover{box-shadow:0 4px 16px #f59e0b33}.vip-upsell-header{color:#d97706;align-items:center;gap:12px;margin-bottom:12px;display:flex}.vip-upsell-title{color:#92400e;font-size:16px;font-weight:700}.vip-upsell-desc{color:#a16207;font-size:12px}.vip-upsell-features{flex-wrap:wrap;gap:8px;margin-bottom:14px;display:flex}.vip-upsell-features span{color:#92400e;background:#f59e0b26;border-radius:20px;padding:4px 10px;font-size:12px}.vip-upsell-btn{color:#fff;border-radius:var(--radius-md);text-align:center;background:#f59e0b;width:100%;padding:10px;font-size:14px;font-weight:700}[data-theme=dark] .vip-upsell-card{background:linear-gradient(135deg,#f59e0b14,#d977060d)!important;border-color:#f59e0b4d!important}[data-theme=dark] .vip-upsell-title{color:#fbbf24}[data-theme=dark] .vip-upsell-desc{color:#d97706}[data-theme=dark] .vip-upsell-features span{color:#fbbf24;background:#f59e0b1a}.vip-status-card{background:linear-gradient(135deg,#f0fdf4,#dcfce7)!important;border:2px solid #22c55e!important}[data-theme=dark] .vip-status-card{background:linear-gradient(135deg,#22c55e14,#22c55e0a)!important;border-color:#22c55e4d!important}.sidebar-vip-btn{color:#fff;cursor:pointer;background:linear-gradient(135deg,#f59e0b,#d97706);border:none;border-radius:8px;align-items:center;gap:10px;margin:4px 12px;padding:10px 16px;font-size:13px;font-weight:600;transition:all .2s;display:flex}.sidebar-vip-btn:hover{filter:brightness(1.1);box-shadow:0 2px 8px #f59e0b4d}.qr-preview-overlay{z-index:1100;cursor:pointer;background:#000c;justify-content:center;align-items:center;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.qr-preview-img{border-radius:var(--radius-lg);max-width:400px;max-height:80vh;box-shadow:0 8px 40px #00000080}.empty-state{color:var(--color-text-muted);flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state-icon{opacity:.5;margin-bottom:16px;font-size:48px}.empty-state-text{font-size:16px;font-weight:500}.loading-spinner{justify-content:center;align-items:center;padding:60px;display:flex}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:36px;height:36px;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=1024px){.video-detail-layout,.dictionary-layout,.vocabulary-layout{grid-template-columns:1fr}}.mobile-menu-btn{z-index:200;border-radius:var(--radius-md);border:1px solid var(--color-border);background:var(--color-surface);width:40px;height:40px;color:var(--color-text);cursor:pointer;box-shadow:var(--shadow-sm);justify-content:center;align-items:center;font-size:20px;display:none;position:fixed;top:12px;left:12px}.mobile-menu-overlay{z-index:300;background:#00000080;display:none;position:fixed;inset:0}.mobile-sidebar{z-index:301;width:280px;animation:.25s slideInLeft;position:fixed;top:0;bottom:0;left:0}.mobile-menu-close{z-index:10;border-radius:var(--radius-sm);background:var(--color-surface-2);width:32px;height:32px;color:var(--color-text);cursor:pointer;border:none;justify-content:center;align-items:center;font-size:18px;display:flex;position:absolute;top:16px;right:12px}.desktop-sidebar{display:flex}@keyframes slideInLeft{0%{transform:translate(-100%)}to{transform:translate(0)}}@media (width<=768px){.desktop-sidebar{display:none!important}.mobile-menu-btn{display:flex}.mobile-menu-overlay{display:block}.main-header{padding-left:60px}.video-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}}.category-tabs-row{background:var(--color-surface);border-bottom:1px solid var(--color-border);align-items:center;padding:12px 0 12px 24px;display:flex}.category-tabs-row .category-tabs{scrollbar-width:none;overflow-x:auto}.category-tabs-row .category-tabs::-webkit-scrollbar{display:none}.category-dropdown-btn{color:var(--color-text-muted);cursor:pointer;border:none;border-left:1px solid var(--color-border);background:0 0;flex-shrink:0;padding:8px 16px;font-size:18px}.modal-overlay{z-index:1000;background:#0006;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.modal-close-btn{color:var(--color-text);cursor:pointer;background:0 0;border:none;padding:4px;font-size:20px}.category-modal{background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;flex-direction:column;width:100%;max-width:600px;max-height:85vh;animation:.3s slideUp;display:flex}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.category-modal-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.category-modal-header h2{font-size:20px;font-weight:700}.category-modal-search{background:var(--color-surface-2);border-radius:var(--radius-md);align-items:center;margin:12px 16px 4px;padding:0 12px;display:flex;position:relative}.category-modal-search input{color:var(--color-text);background:0 0;border:none;outline:none;flex:1;padding:10px 8px;font-size:15px}.category-modal-search .search-icon{color:var(--color-text-muted);position:static;transform:none}.category-modal-search .clear-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;padding:2px}.category-modal-search-btn{background:var(--color-primary);color:#fff;border-radius:var(--radius-md);cursor:pointer;border:none;justify-content:center;align-items:center;margin:8px 16px;padding:10px;font-size:14px;font-weight:600;display:flex}.category-modal-body{flex:1;padding:0 16px 40px;overflow-y:auto}.category-group{padding-top:16px}.category-group-title{text-transform:uppercase;letter-spacing:.5px;color:var(--color-text-muted);margin-bottom:10px;font-size:13px;font-weight:700}.category-group-grid{flex-wrap:wrap;gap:8px;display:flex}.category-grid-item{background:var(--color-surface-2);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);border:none;border-radius:20px;padding:8px 16px;font-size:14px}.category-grid-item:hover{background:var(--color-surface-3);color:var(--color-text)}.category-grid-item.active{background:var(--color-primary);color:#fff}.dict-word-card{background:var(--color-surface);border-radius:var(--radius-lg);border:1px solid var(--color-border);cursor:pointer;transition:all var(--transition);margin-bottom:12px;padding:16px}.dict-word-card:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}.dict-word-header{align-items:baseline;gap:12px;margin-bottom:6px;display:flex}.dict-word-char{font-size:24px;font-weight:700}.dict-word-pinyin{color:var(--color-primary);font-size:15px}.dict-word-meaning{color:var(--color-text-secondary);margin-bottom:10px;font-size:15px;line-height:1.5}.dict-word-actions{border-top:1px solid var(--color-border);gap:8px;padding-top:10px;display:flex}.dict-action-btn{background:var(--color-surface-2);border:1px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);border-radius:20px;align-items:center;padding:8px 10px;font-size:16px;display:flex}.dict-action-btn:hover{background:var(--color-primary-bg);color:var(--color-primary);border-color:var(--color-primary)}.dict-tts-btn{color:var(--color-primary);cursor:pointer;transition:color var(--transition);background:0 0;border:none;margin-left:8px;padding:2px;font-size:18px}.dict-tts-btn-sm{color:var(--color-primary);cursor:pointer;background:0 0;border:none;padding:2px;font-size:14px}.dict-clear-btn{color:var(--color-text-muted);cursor:pointer;background:0 0;border:none;padding:2px;font-size:16px;position:absolute;top:50%;right:12px;transform:translateY(-50%)}.dict-default-content{flex:1;overflow-y:auto}.dict-section{margin-bottom:24px}.dict-section-title{margin-bottom:12px;font-size:17px;font-weight:600}.dict-recent-chips{flex-wrap:wrap;gap:8px;display:flex}.dict-recent-chip{background:var(--color-surface);border:1px solid var(--color-border);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition);border-radius:20px;align-items:center;gap:6px;padding:6px 14px;font-size:14px;display:flex}.dict-recent-chip:hover{border-color:var(--color-primary);color:var(--color-text)}.dict-search-results{flex:1;overflow-y:auto}.word-detail-header-actions{gap:8px;margin-left:auto;display:flex}.save-modal{background:var(--color-surface);border-radius:var(--radius-xl) var(--radius-xl) 0 0;flex-direction:column;width:100%;max-width:440px;max-height:80vh;animation:.3s slideUp;display:flex}.save-modal-header{border-bottom:1px solid var(--color-border);justify-content:space-between;align-items:center;padding:20px 24px;display:flex}.save-modal-word{background:var(--color-surface-2);border-radius:var(--radius-md);align-items:center;gap:12px;margin:16px 16px 0;padding:16px 24px;display:flex}.save-modal-word-char{font-size:24px;font-weight:700}.save-modal-word-pinyin{color:var(--color-primary);font-size:14px}.save-modal-word-meaning{color:var(--color-text-secondary);font-size:13px}.save-modal-list{flex:1;padding:16px;overflow-y:auto}.save-modal-item{background:var(--color-surface-2);border-radius:var(--radius-md);cursor:pointer;width:100%;color:var(--color-text);text-align:left;transition:all var(--transition);border:none;align-items:center;gap:12px;margin-bottom:8px;padding:14px 16px;font-size:15px;display:flex}.save-modal-item:hover{background:var(--color-primary-bg)}.word-lookup-modal{background:var(--color-surface);border-radius:var(--radius-xl);width:100%;max-width:480px;max-height:80vh;margin:auto;padding:24px;animation:.2s fadeIn;overflow-y:auto}@keyframes fadeIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.word-lookup-header{justify-content:space-between;align-items:center;margin-bottom:16px;display:flex}.word-lookup-detail{max-height:60vh;overflow-y:auto}.subtitle-config-modal{background:var(--color-surface);border-radius:var(--radius-xl);width:100%;max-width:360px;margin:auto;padding:24px;animation:.2s fadeIn}.config-checkbox{cursor:pointer;align-items:center;gap:12px;padding:10px 0;font-size:15px;display:flex}.config-checkbox input[type=checkbox]{width:20px;height:20px;accent-color:var(--color-primary)}.subtitle-clickable-words{flex-wrap:wrap;gap:4px;display:flex}.subtitle-word-group{cursor:pointer;transition:background var(--transition);border-radius:4px;flex-direction:column;align-items:center;padding:2px 3px;display:inline-flex}.subtitle-word-group:hover{background:var(--color-primary-bg)}.subtitle-word-char{font-size:15px}.subtitle-word-pinyin{color:var(--color-text-muted);font-size:10px;line-height:1.2}.subtitle-word-group.key-vocab .subtitle-word-char{color:#155724;background:#d4edda;border-bottom:2px solid #28a745;border-radius:4px;padding:1px 4px;font-weight:600}.subtitle-word-group.key-vocab:hover .subtitle-word-char{color:#0d3f1a;background:#b8dfca}.subtitle-word-group.large.key-vocab .subtitle-word-char{border-radius:5px;padding:2px 6px}[data-theme=dark] .subtitle-word-group.key-vocab .subtitle-word-char{color:#6fcf87;background:#28a74533;border-bottom-color:#28a745}[data-theme=dark] .subtitle-word-group.key-vocab:hover .subtitle-word-char{color:#a0e8b4;background:#28a74559}.subtitle-word-group.karaoke-active{background:#f5be27;border-radius:4px;transition:background .15s}.subtitle-word-group.karaoke-active .subtitle-word-char{font-weight:700;color:#0a0a0f!important}.subtitle-word-group.karaoke-active .subtitle-word-pinyin{font-weight:600;color:#0a0a0f!important}.vocab-bubble{z-index:200;cursor:pointer;width:450px;max-width:calc(100vw - 32px);animation:.3s vocabBubbleIn;position:fixed;right:16px}@media (width<=900px){.vocab-bubble{width:auto;left:16px;right:16px}}.vocab-bubble-arrow{border-bottom:10px solid #28a745;border-left:10px solid #0000;border-right:10px solid #0000;width:0;height:0}.vocab-bubble-content{background:var(--color-surface);border:2px solid #28a745;border-radius:14px;padding:14px 18px;box-shadow:0 8px 32px #28a74526,0 2px 8px #00000014}.vocab-bubble:hover .vocab-bubble-content{box-shadow:0 8px 32px #28a7454d,0 2px 8px #0000001a}.vocab-bubble-badge{color:#fff;background:#28a745;border-radius:4px;padding:2px 7px;font-size:10px;font-weight:700}@keyframes vocabBubbleIn{0%{opacity:0;transform:translateY(-10px)scale(.95)}to{opacity:1;transform:translateY(0)scale(1)}}.subtitle-word-clickable{cursor:pointer;transition:background var(--transition);border-radius:3px;padding:1px 2px}.subtitle-word-clickable:hover{background:var(--color-primary-bg)}