:root{--primary: #356FEF;--primary-light: #EAF1FE;--primary-dark: #2456C8;--accent: #FF8C42;--accent-light: #FFF0E6;--success: #4CAF50;--warning: #F59E0B;--danger: #EF4444;--purple: #9B7BD5;--pink: #F49EC4;--bg: #FFFFFF;--bg-card: #FFFFFF;--text: #1F1F2E;--text-secondary: #6B7280;--text-light: #9CA3AF;--border: #E5E7EB;--divider: #F3F4F6;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--radius-xl: 20px;--shadow-sm: 0 1px 3px rgba(0,0,0,.04);--shadow: 0 2px 8px rgba(0,0,0,.05);--shadow-md: 0 4px 12px rgba(0,0,0,.07)}*{box-sizing:border-box;margin:0;padding:0}html{font-size:16px}body{font-family:-apple-system,BlinkMacSystemFont,SF Pro Display,PingFang SC,Helvetica Neue,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.5}:root{--app-max-width: 480px}@media (min-width: 600px){:root{--app-max-width: 560px}}@media (min-width: 900px){:root{--app-max-width: 720px}}@media (min-width: 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16px;display:flex;flex-direction:column;min-height:100%}.all-songs-page,.my-favorites-page,.my-songs-page,.my-records-page,.my-vocab-page{height:100%;overflow:hidden}.section-title{font-size:1rem;font-weight:700;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}.section-title__more{font-size:.75rem;font-weight:400;color:var(--text-light);cursor:pointer}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius-xl);padding:12px 20px;font-size:.9375rem;font-weight:600;width:100%;display:flex;align-items:center;justify-content:center;gap:6px;transition:opacity .15s,transform .1s}.btn-primary:active{transform:scale(.97);opacity:.92}.btn-primary:disabled{opacity:.4}.btn-accent{background:var(--accent);color:#fff;border-radius:var(--radius-xl);padding:12px 20px;font-size:.9375rem;font-weight:600;width:100%;display:flex;align-items:center;justify-content:center;gap:6px;transition:opacity .15s,transform 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var(--border);position:sticky;top:0;z-index:10}.sub-page-header h2{font-size:1.125rem;font-weight:700;flex:1}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 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6px);z-index:100}.tab-bar__item{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-light);font-size:.8rem;padding:4px 0;transition:color .2s;background:transparent;-webkit-tap-highlight-color:transparent}.tab-bar__item:active{background:transparent}.tab-bar__item--active{color:var(--primary)}.tab-bar__icon{font-size:1.5rem;line-height:1;display:flex;align-items:center;justify-content:center}.tab-bar__label{font-weight:500}.song-list{padding:0 16px;display:flex;flex-direction:column;gap:8px}.song-list-row{display:flex;gap:12px;align-items:center;padding:10px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer;transition:transform 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var(--border);font-size:1rem;font-weight:500;background:#fff;color:var(--text);cursor:pointer;transition:all .15s;white-space:nowrap}.theme-tag--active{background:var(--primary);color:#fff;border-color:var(--primary)}.theme-tag:active{background:transparent}.theme-icon-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;padding:0 4px}.theme-icon{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 4px;border-radius:var(--radius);cursor:pointer;transition:transform .1s,background .15s}.theme-icon:active{transform:scale(.95)}.theme-icon__emoji{width:44px;height:44px;display:flex;align-items:center;justify-content:center;font-size:1.625rem;background:var(--primary-light);border-radius:50%;overflow:hidden}.theme-icon__emoji img{width:100%;height:100%;object-fit:cover}.theme-icon--orange .theme-icon__emoji{background:var(--accent-light)}.theme-icon--green .theme-icon__emoji{background:#e6f4ea}.theme-icon--purple .theme-icon__emoji{background:#f0e9f8}.theme-icon--pink .theme-icon__emoji{background:#fcedf3}.theme-icon__name{font-size:1rem;color:var(--text-secondary);text-align:center;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-playlists-empty{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 4px;cursor:pointer}.difficulty-badge{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:20px;font-size:1rem;font-weight:500;background:var(--accent-light);color:var(--accent)}.filter-chip{padding:7px 14px;border-radius:20px;border:1px solid var(--border);font-size:1rem;font-weight:500;background:#fff;color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all .15s}.filter-chip--active{background:var(--primary);color:#fff;border-color:var(--primary)}.filter-chip--icon{padding:7px 10px}.search-bar{display:flex;align-items:center;gap:8px;background:#f2f3f5;border-radius:var(--radius-xl);padding:10px 12px 10px 16px;margin:12px 0;box-shadow:none}.search-bar__icon{font-size:1rem;color:var(--text-light);flex-shrink:0}.search-bar__input{border:none;outline:none;flex:1;font-size:1rem;color:var(--text);background:transparent;min-width:0}.search-bar__input::placeholder{color:var(--text-light)}.search-bar__clear{flex-shrink:0;width:22px;height:22px;border:none;border-radius:50%;background:#0000001f;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;padding:0;font-size:.875rem}.search-bar__clear:active{background:#0003}.search-bar__submit{flex-shrink:0;border:none;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:.9375rem;font-weight:600;padding:7px 16px;cursor:pointer;white-space:nowrap}.search-bar__submit:active{opacity:.85}.search-bar-wrapper{position:relative;margin:12px 16px}.search-suggest{position:absolute;top:100%;left:0;right:0;background:#fff;border-radius:var(--radius-lg);box-shadow:0 4px 20px #0000001a,0 1px 3px #0000000f;z-index:200;max-height:60vh;overflow-y:auto;-webkit-overflow-scrolling:touch}.search-suggest__row{display:flex;align-items:center;gap:8px;padding:10px 14px;cursor:pointer;border-bottom:1px solid #f5f5f5}.search-suggest__row:last-child{border-bottom:none}.search-suggest__row:active{background:transparent}.search-suggest__type{flex-shrink:0;font-size:.75rem;font-weight:600;padding:2px 6px;border-radius:4px;line-height:1.2}.search-suggest__type--theme{background:#fef2e8;color:#d97706}.search-suggest__type--song{background:#ecfdf5;color:#059669}.search-suggest__type--word{background:#eff6ff;color:#2563eb}.search-suggest__label{flex:1;min-width:0;font-size:.9375rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}.search-suggest__sub{flex-shrink:0;font-size:.8125rem;color:var(--text-light);max-width:40%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.search-suggest__loading{padding:12px 14px;font-size:.875rem;color:var(--text-light);text-align:center}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(160deg,#eaf1fe,#f5f4f0,#fff7ed);padding:24px}.login-card{text-align:center;padding:36px 32px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);max-width:340px;width:100%}.login-logo{font-size:3.5rem;margin-bottom:16px}.login-card h1{font-size:1.375rem;margin-bottom:4px;color:var(--text)}.login-card p{color:var(--text-secondary);font-size:1rem;margin-bottom:20px}.login-input{display:block;width:100%;margin:10px 0;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);font-size:1rem;outline:none;color:var(--text);background:#fff}.login-input:focus{border-color:var(--primary)}.login-input::placeholder{color:var(--text-light)}.login-btn{margin-top:16px}.login-error{color:var(--danger);font-size:1rem;margin:10px 0 0}.home-page{padding:0 0 calc(72px + env(safe-area-inset-bottom))}.home-hello{display:flex;align-items:center;justify-content:space-between;padding:18px 16px 8px}.home-hello h2{font-size:1.375rem;font-weight:700}.home-hello p{color:var(--text-secondary);font-size:1rem;margin-top:2px}.home-hello-actions{display:flex;align-items:center;gap:8px}.home-hello-avatar{width:44px;height:44px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.375rem;cursor:pointer}.icon-btn{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.125rem;background:#fff;box-shadow:var(--shadow-sm)}.home-scroll-section{margin:18px 0;padding:0 16px}.home-scroll-section h3.section-title{padding:0}.home-scroll-section h3{font-size:1rem;font-weight:700;margin-bottom:10px;padding:0 4px}.home-scroll{display:flex;gap:10px;overflow-x:auto;padding:0 4px 4px;scrollbar-width:none;-webkit-overflow-scrolling:touch}.home-scroll::-webkit-scrollbar{display:none}.home-scroll-item{flex-shrink:0;width:130px;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);cursor:pointer}.home-scroll-item__cover{width:100%;aspect-ratio:16/9;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.75rem;overflow:hidden}.home-scroll-item__cover img{width:100%;height:100%;object-fit:cover}.home-scroll-item__info{padding:6px 8px 8px}.home-scroll-item__title{font-size:1rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-scroll-item__sub{font-size:1rem;color:var(--text-secondary);margin-top:2px}.search-page{padding:0 0 16px}.search-section{padding:0 16px;margin-bottom:16px}.search-section h3{font-size:1rem;font-weight:700;margin-bottom:10px}.search-section__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}.search-section__head h3{margin-bottom:0}.search-section__head a{font-size:1rem;color:var(--text-light)}.search-empty{text-align:center;padding:48px 24px;color:var(--text-light)}.search-empty__icon{font-size:3rem;margin-bottom:12px}.search-cat-tabs{display:flex;gap:18px;padding:0 16px;border-bottom:1px solid var(--divider);background:#fff}.search-cat-tabs button{padding:12px 0;font-size:1rem;color:var(--text-secondary);font-weight:500;border-bottom:2px solid transparent;position:relative}.search-cat-tabs button.active{color:var(--primary);border-color:var(--primary);font-weight:600}.search-result-summary{padding:12px 16px 6px;font-size:1rem;color:var(--text-secondary)}.search-filters{display:flex;gap:8px;padding:0 16px 12px;overflow-x:auto;scrollbar-width:none}.search-filters::-webkit-scrollbar{display:none}.theme-result-page{padding:0 0 16px}.theme-result-header{display:flex;align-items:center;padding:12px 16px}.theme-hero{margin:0 16px 12px;border-radius:var(--radius-lg);padding:16px;text-align:center;background:var(--bg-card)}.theme-hero--with-bg{background:linear-gradient(135deg,#fff4d6,#ffeab6);padding:24px 20px}.theme-hero__emoji{font-size:2.25rem;margin-bottom:4px}.theme-hero__icon{width:90px;height:90px;border-radius:16px;object-fit:cover;display:block;margin:0 auto 6px;box-shadow:0 2px 8px #00000014}.theme-hero__img{width:100%;max-height:180px;border-radius:var(--radius-lg);object-fit:cover;margin-bottom:12px;box-shadow:0 2px 10px #0000001a}.theme-hero__name{font-size:1.25rem;font-weight:700;margin-bottom:4px}.theme-hero__meta{font-size:.9375rem;color:var(--text-secondary)}.theme-hero__desc{font-size:1rem;color:var(--text-secondary);margin-top:6px;line-height:1.5}.song-detail-page{padding:0 0 24px}.song-detail-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px}.song-detail-header__icons{display:flex;gap:12px}.song-detail-header__icons span{font-size:1.125rem;padding:4px}.difficulty-badge{display:inline-block;font-size:11px;line-height:1;padding:4px 8px;border-radius:10px;font-weight:600;white-space:nowrap}.song-cover-area{width:calc(100% - 32px);margin:0 16px 16px;aspect-ratio:16/10;background:#f5f5f5;border-radius:var(--radius-lg);overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative}.song-cover-area img{width:100%;height:100%;object-fit:cover}.song-cover-area video{width:100%;height:100%;object-fit:cover}.song-cover-area__placeholder{color:#fff9;font-size:1rem}.song-cover-area__play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:64px;height:64px;border:none;border-radius:50%;background:#ffffffeb;color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.625rem;box-shadow:0 4px 14px #0000004d}.song-cover-area__play:active{transform:translate(-50%,-50%) scale(.94)}.song-cover-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#00000026;cursor:pointer}.song-cover-play{width:56px;height:56px;border-radius:50%;background:#fffffff2;display:flex;align-items:center;justify-content:center;font-size:1.375rem;color:#1a1a1a;box-shadow:0 4px 16px #0003}.song-info{padding:0 16px}.song-info__head{display:flex;align-items:center;gap:10px}.song-info__head h1{flex:1;min-width:0}.song-info h1{font-size:1.375rem;font-weight:700}.song-info__zh{color:var(--text-secondary);font-size:1rem;margin-top:4px}.song-info__meta{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:8px 0;font-size:1rem;color:var(--text-secondary)}.song-info__rating{color:#f59e0b}.song-info__rating-text{color:var(--text-secondary);margin-left:4px}.song-info__time{margin-left:auto;color:var(--text-light)}.song-info__chips{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0 16px}.song-actions{display:flex;gap:8px;padding:0 16px;margin-bottom:16px}.song-actions .btn-block{flex:1;justify-content:center;display:flex;align-items:center;gap:6px}.song-actions .btn-accent{flex:1}.song-audio-player{display:flex;flex-direction:column;gap:8px;margin:14px 16px 4px;padding:10px 12px;background:var(--primary-light);border-radius:14px}.song-audio-player__top{display:flex;align-items:center;gap:8px}.song-audio-player__play{flex:0 0 40px;width:40px;height:40px;border:none;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.125rem}.song-audio-player__label{font-size:1rem;font-weight:600;color:var(--primary);cursor:pointer;white-space:nowrap;flex:1}.song-audio-player__body{min-width:0}.song-audio-player__bar{height:6px;border-radius:3px;background:#356fef2e;overflow:hidden;cursor:pointer}.song-audio-player__fill{height:100%;background:var(--primary);border-radius:3px;transition:width .1s linear}.song-audio-player__time{display:flex;justify-content:space-between;font-size:1rem;color:var(--text-secondary);margin-top:6px}.song-audio-player__rate{flex:0 0 auto;border:none;background:transparent;color:var(--primary);font-size:1rem;font-weight:600}.lyrics-text{padding:0 4px}.lyrics-text p{font-size:1rem;line-height:1.9;color:var(--text);text-align:center;font-weight:500}.song-desc{padding:4px 16px 8px}.song-desc p{font-size:1rem;line-height:1.7;color:var(--text)}.vocab-list{display:flex;flex-direction:column;gap:8px;padding:0 16px}.vocab-item{display:flex;align-items:baseline;gap:12px;padding:10px 0}.vocab-item__en{font-size:1rem;font-weight:600;color:var(--text);flex:0 0 auto}.vocab-item__zh{font-size:1rem;color:var(--text-secondary)}.lyrics-img{width:100%;border-radius:var(--radius);background:#fff}.teach-link{display:flex;align-items:center;gap:12px;padding:12px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer}.teach-link__cover{width:64px;height:64px;border-radius:var(--radius-sm);overflow:hidden;background:var(--primary-light);flex-shrink:0}.teach-link__cover img{width:100%;height:100%;object-fit:cover}.teach-link__info{flex:1}.teach-link__title{font-weight:600;font-size:1rem}.teach-link__sub{font-size:1rem;color:var(--text-secondary);margin-top:2px}.teach-link__arrow{color:var(--text-light);font-size:1rem}.player-page{padding:0 0 16px}.player-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#fff;display:flex;flex-direction:column;overflow-y:auto;padding:0 0 16px}.player-topbar{display:flex;align-items:center;padding:12px 16px;position:relative}.player-topbar__title{flex:1;text-align:center;font-size:1rem;font-weight:600}.player-topbar__icons{display:flex;gap:8px;align-items:center}.player-topbar__icons span{font-size:1.125rem;padding:4px}.player-cast-btn{background:transparent;border:none;color:#fff;cursor:pointer;display:flex;align-items:center;padding:4px;-webkit-tap-highlight-color:transparent}.player-cast-btn:active{opacity:.6}.player-video-area{width:calc(100% - 32px);margin:0 16px 12px;aspect-ratio:16/9;border-radius:var(--radius-lg);overflow:hidden;display:flex;align-items:center;justify-content:center;position:relative}.player-video-area video{width:100%;height:100%;object-fit:cover}.player-video-area--placeholder{background:var(--primary-light)}.player-video-area--placeholder img{width:100%;height:100%;object-fit:cover}.player-video-area__badge{position:absolute;right:12px;bottom:12px;width:48px;height:48px;border-radius:50%;background:#356fefe6;color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.375rem;box-shadow:0 2px 8px #00000040}.player-title{padding:0 16px 8px}.player-title__name{font-size:1.125rem;font-weight:700}.player-title__sub{font-size:1rem;color:var(--text-secondary);margin-top:2px}.player-lyrics-big{background:#fff;border-radius:var(--radius-lg);margin:0 16px 12px;padding:24px 20px;min-height:180px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:6px;justify-content:center}.player-lyrics-big__line{text-align:center;font-size:1rem;line-height:1.8;color:var(--text);font-weight:500}.player-progress{padding:0 16px 12px}.player-progress-bar{height:3px;background:var(--divider);border-radius:2px;overflow:hidden}.player-progress-fill{height:100%;background:var(--primary);transition:width .3s}.player-progress-time{display:flex;justify-content:space-between;font-size:1rem;color:var(--text-light);margin-top:4px}.player-controls{display:flex;justify-content:space-around;align-items:center;padding:8px 16px 12px}.player-controls button{padding:6px;display:flex;flex-direction:column;align-items:center;gap:2px}.player-controls__play{width:56px;height:56px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.375rem;box-shadow:0 4px 12px #5b9bd559}.player-controls__play:active{transform:scale(.95)}.player-controls__extra{display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-secondary);font-size:1rem}.player-controls__extra-label{font-size:1rem}.player-controls__rate{color:var(--text);font-weight:600;font-size:1rem;min-width:36px}.player-footer{display:flex;align-items:center;justify-content:space-between;padding:0 16px;margin:8px 0 12px}.player-footer__add,.player-footer__status{display:flex;align-items:center;gap:6px;padding:10px 16px;background:#fff;border-radius:var(--radius-xl);box-shadow:var(--shadow-sm);font-size:1rem;font-weight:500;cursor:pointer}.player-footer__add{color:var(--primary)}.player-footer__status{color:var(--text-secondary)}.player-tabs{display:flex;gap:24px;justify-content:center;margin:8px 0 12px}.player-tabs button{padding:6px 0;font-size:1rem;color:var(--text-light);font-weight:500;border-bottom:2px solid transparent}.player-tabs button.active{color:var(--primary);border-color:var(--primary)}.player-tabs button:disabled{opacity:.4}.action-sheet-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;z-index:200;display:flex;align-items:flex-end;justify-content:center}.action-sheet{width:100%;max-width:var(--app-max-width);background:#fff;border-radius:var(--radius-lg) var(--radius-lg) 0 0;padding:16px 0 0;animation:sheetUp .2s ease-out}@keyframes sheetUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.action-sheet__title{font-size:1rem;font-weight:600;padding:0 16px 12px;border-bottom:1px solid var(--divider)}.action-sheet__row{display:flex;align-items:center;gap:12px;padding:14px 16px;border-bottom:1px solid var(--divider);cursor:pointer;font-size:1rem}.action-sheet__row:active{background:transparent}.action-sheet__row--disabled{opacity:.55;cursor:default;pointer-events:none}.action-sheet__cancel{width:calc(100% - 32px);margin:12px 16px calc(env(safe-area-inset-bottom,0px) + 16px);padding:12px;border-radius:var(--radius);background:var(--divider);font-size:1rem;font-weight:600;color:var(--text)}.action-sheet .auth-input{display:block;width:calc(100% - 32px);margin:12px 16px;padding:10px 14px;border:1px solid var(--divider);border-radius:var(--radius);font-size:1rem;outline:none;box-sizing:border-box}.action-sheet .auth-input:focus{border-color:var(--primary)}.action-sheet__confirm{display:block;width:calc(100% - 32px);margin:8px 16px 0;padding:10px;border:none;border-radius:var(--radius);background:var(--primary);color:#fff;font-size:1rem;font-weight:600;cursor:pointer}.action-sheet__confirm:active{opacity:.85}.playlist-page{padding:0 0 calc(env(safe-area-inset-bottom,0px) + 80px)}.playlist-header{display:flex;align-items:center;justify-content:space-between;padding:16px}.playlist-header h2{font-size:1.25rem;font-weight:700}.playlist-header__create{padding:6px 14px;border-radius:20px;background:var(--primary);color:#fff;font-size:1rem;font-weight:600}.playlist-tabs{display:flex;gap:24px;padding:0 16px 8px;border-bottom:1px solid var(--divider)}.playlist-tabs button{padding:10px 0;font-size:1rem;color:var(--text-secondary);font-weight:500;border-bottom:2px solid transparent}.playlist-tabs button.active{color:var(--primary);border-color:var(--primary);font-weight:600}.playlist-section{padding:12px 16px}.playlist-section h3{font-size:1rem;font-weight:700;margin-bottom:10px}.playlist-list-row{display:flex;align-items:center;gap:10px;padding:10px;background:#fff;border-radius:var(--radius);margin-bottom:8px;box-shadow:var(--shadow-sm);cursor:pointer}.playlist-list-row__icon,.playlist-list-row__icon-circle{width:40px;height:40px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0}.playlist-list-row__num{width:18px;font-size:1rem;color:var(--text-light);text-align:center;flex-shrink:0}.playlist-list-row__cover{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--primary-light);overflow:hidden;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.375rem}.playlist-list-row__cover img{width:100%;height:100%;object-fit:cover}.playlist-list-row__info{flex:1;min-width:0}.playlist-list-row__name{font-weight:600;font-size:1rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playlist-list-row__count{font-size:1rem;color:var(--text-light);margin-top:2px}.playlist-list-row__arrow{color:var(--text-light);font-size:1rem}.playlist-list-row--playing{background:var(--primary-light)}.playlist-list-row--playing .playlist-list-row__num,.playlist-list-row--playing .playlist-list-row__count{color:var(--primary)}.playlist-list-row__playing-icon{width:18px;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--primary)}.playlist-playall{padding:12px 16px 0}.playlist-list-row__del{padding:4px 8px;font-size:1rem;color:var(--text-light)}.playlist-list-row__del{padding:4px 6px;display:flex;align-items:center;justify-content:center;color:var(--text-light);font-size:1.25rem}.playlist-list-row__del:active{color:#e5484d}.playlist-list-row__play{margin-left:8px;width:34px;height:34px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}.playlist-list-row__play:active{background:var(--primary);color:#fff}.playlist-header__del{padding:4px 8px;font-size:1.25rem;color:var(--text-light)}.playlist-header__del:active{color:#e5484d}.playlist-header__edit{padding:4px 8px;font-size:1.25rem;color:var(--text-light)}.playlist-header__edit:active{color:var(--accent)}.icon-line:before{content:"";display:inline-block;width:16px;height:2px;background:currentColor;border-radius:1px;vertical-align:middle}.playlist-create{background:#fff;border-radius:var(--radius);padding:16px;margin-bottom:12px;box-shadow:var(--shadow-sm)}.playlist-create input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:1rem;outline:none;margin-bottom:10px}.playlist-create input:focus{border-color:var(--primary)}.playlist-create__actions{display:flex;gap:8px}.playlist-create__actions button{flex:1;padding:10px;border-radius:var(--radius);font-size:1rem;font-weight:600}.playlist-create__actions .ok{background:var(--primary);color:#fff}.playlist-create__actions .cancel{background:var(--divider);color:var(--text)}.btn-outline{width:100%;padding:12px;border-radius:var(--radius);border:1.5px dashed var(--primary);background:#fff;color:var(--primary);font-size:1rem;font-weight:600;cursor:pointer}.btn-outline:active{background:transparent}.playlist-empty{display:flex;flex-direction:column;align-items:center;gap:12px;padding:40px 16px}.playlist-empty .btn-primary{min-width:160px}.fab{position:fixed;right:max(20px,calc(50vw - 195px));bottom:86px;width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;font-size:1.625rem;font-weight:300;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 16px #ff8c4266;z-index:50;cursor:pointer}.fab:active{transform:scale(.95)}.profile-page{padding:0 0 16px}.profile-header{display:flex;align-items:center;gap:12px;padding:18px 16px 14px;cursor:pointer}.profile-header__avatar{width:50px;height:50px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.625rem}.profile-header__name{font-size:1.125rem;font-weight:700}.profile-header__sub{font-size:1rem;color:var(--text-secondary);margin-top:2px}.profile-header__arrow{color:var(--text-light);font-size:1rem}.profile-section{margin-bottom:18px;padding:0 16px}.profile-section h3{font-size:1rem;font-weight:700;margin-bottom:10px}.profile-stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.profile-stat-tile{border-radius:var(--radius-lg);padding:14px 10px;position:relative;overflow:hidden}.profile-stat-tile--blue{background:#ebf2ff;color:#356fef}.profile-stat-tile--orange{background:#fff5ed;color:#e67e22}.profile-stat-tile--green{background:#eaf8ec;color:#43a047}.profile-stat-tile--purple{background:#f3eefa;color:#8e44ad}.profile-stat-tile__value{font-size:.9rem;opacity:.75;margin-bottom:6px;font-weight:500}.profile-stat-tile__big{font-size:1.75rem;font-weight:700;line-height:1.2}.home-song-list{padding:4px 0 8px;display:flex;flex-direction:column}.home-song-list .song-list-row{padding:12px 0;box-shadow:none;border-radius:0;border-bottom:1px solid var(--divider)}.home-song-list .song-list-row:last-child{border-bottom:none}.song-list-row{display:flex;align-items:center;gap:12px;background:#fff;border-radius:var(--radius);padding:8px 10px;box-shadow:var(--shadow-sm);cursor:pointer}.song-list-row:active{background:transparent}.song-list-row__cover{width:66px;height:66px;border-radius:10px;overflow:hidden;display:flex;align-items:center;justify-content:center;background:var(--bg);color:var(--text-light);font-size:1.25rem}.song-list-row__cover img{width:100%;height:100%;object-fit:cover}.song-list-row__info{flex:1;min-width:0}.song-list-row__title{font-size:1rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.song-list-row__sub{font-size:.8125rem;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.playlist-card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.playlist-card{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;border-radius:var(--radius-lg);cursor:pointer;box-shadow:var(--shadow-sm)}.playlist-card:active{opacity:.85}.playlist-card__info{min-width:0}.playlist-card__name{font-size:1rem;font-weight:700;color:#1a1a1a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.playlist-card__meta{font-size:1rem;color:#555;margin-top:2px}.playlist-card__icon{width:48px;height:48px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:1.75rem;border-radius:10px;background:#fff9}.playlist-card__icon img{width:100%;height:100%;object-fit:cover;border-radius:10px}.profile-stat-tile__unit{font-size:1rem;font-weight:400;opacity:.7;margin-left:2px}.profile-tags-row{display:flex;gap:8px;flex-wrap:wrap}.profile-tag-chip{display:inline-flex;align-items:center;gap:8px;padding:7px 14px;background:#fff;border-radius:var(--radius);font-size:1rem;font-weight:500;color:var(--text);box-shadow:var(--shadow-sm);cursor:pointer}.profile-tag-chip__count{color:var(--primary);font-size:1rem;font-weight:600}.records-list{padding:4px 0}.records-group{margin-bottom:8px}.records-group__title{font-size:1rem;font-weight:700;color:var(--text-light);margin:12px 4px 6px}.record-row{display:flex;align-items:center;gap:12px;padding:10px 12px;background:#fff;border-radius:var(--radius);margin-bottom:8px;box-shadow:var(--shadow-sm);cursor:pointer}.record-row:active{background:transparent}.record-row__thumb{width:40px;height:40px;flex:0 0 40px;border-radius:var(--radius);background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.25rem}.record-row__info{flex:1;min-width:0}.record-row__title{font-size:1rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.record-row__time{font-size:1rem;color:var(--text-light);margin-top:2px}.record-row__arrow{color:var(--text-light);font-size:1.125rem}.records-loader{text-align:center;color:var(--text-light);font-size:1rem;padding:16px 0 60px}.skeleton{display:block;background:linear-gradient(90deg,#ececec 25%,#f5f5f5 37%,#ececec 63%);background-size:400% 100%;animation:skeleton-shimmer 1.3s ease-in-out infinite}@keyframes skeleton-shimmer{0%{background-position:100% 0}to{background-position:0 0}}.hero-card--skeleton{background:transparent;box-shadow:none}.home-recent-item .skeleton{width:100%;height:100%}.home-recent-scroll .home-recent-item{width:110px;flex:0 0 110px}.home-recent-scroll .home-recent-item__cover,.home-recent-scroll .home-recent-item .skeleton{width:110px;height:110px}.my-themes-summary{font-size:1rem;color:var(--text-light);padding:4px 16px 8px}.my-themes-list{padding:4px 12px 16px}.my-theme-song-row{display:flex;align-items:center;gap:12px;padding:11px 12px;background:#fff;border-radius:var(--radius);margin-bottom:8px;box-shadow:var(--shadow-sm);cursor:pointer}.my-theme-song-row:active{background:transparent}.my-theme-song-row__num{width:28px;height:28px;flex:0 0 28px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1rem;font-weight:700}.my-theme-song-row__cover{width:52px;height:52px;flex:0 0 52px;border-radius:10px;object-fit:cover;background:var(--bg)}.my-theme-song-row__info{flex:1;min-width:0}.my-theme-song-row__title{font-size:1rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.my-theme-song-row__tags{font-size:1rem;color:var(--text-light);margin-top:5px;display:flex;flex-wrap:wrap;gap:6px}.my-theme-song-row__tag{background:var(--bg);border-radius:10px;padding:2px 8px;line-height:18px;white-space:nowrap}.my-theme-song-row__cnt{font-size:1rem;color:var(--primary);flex:0 0 auto;font-weight:500}.theme-map{padding:8px 12px 4px}.theme-map__title{font-size:1rem;font-weight:600;color:var(--text);margin:4px 4px 10px}.theme-map__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.theme-map__item{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 6px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer}.theme-map__item:active{background:transparent}.theme-map__icon{width:44px;height:44px;border-radius:12px;object-fit:cover}.theme-map__emoji{width:44px;height:44px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.5rem}.theme-map__name{font-size:1rem;font-weight:600;color:var(--text);max-width:100%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.theme-map__count{font-size:1rem;color:var(--text-light)}.profile-checkin-row{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fff;border-radius:var(--radius);margin-bottom:6px;box-shadow:var(--shadow-sm);cursor:pointer}.profile-checkin-row__icon{font-size:1.5rem;width:36px;text-align:center}.profile-checkin-row__info{flex:1;min-width:0}.profile-checkin-row__title{font-size:1rem;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-checkin-row__sub{font-size:1rem;color:var(--text-light);margin-top:2px}.profile-checkin-row__arrow{color:var(--text-light);font-size:1rem}.profile-menu{display:flex;flex-direction:column;gap:8px}.profile-menu-item{display:flex;align-items:center;gap:8px;width:100%;text-align:left;padding:14px 16px;border-radius:var(--radius);background:#fff;font-size:1rem;font-weight:500;color:var(--text)}.profile-menu-item:active{background:transparent}.profile-menu-item__count{color:var(--text-light);font-size:1rem}.profile-menu-item__arrow{color:var(--text-light);font-size:1rem;margin-left:auto}.profile-block-head{display:flex;align-items:center;justify-content:space-between;margin:0 4px 10px}.profile-block-head h3{font-size:1.0625rem;font-weight:700}.profile-block-head__more{font-size:.9375rem;color:var(--accent)}.profile-block-head__more:active{opacity:.7}.recent-song-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}.recent-song-item{display:flex;flex-direction:column;gap:4px}.recent-song-item__cover{width:100%;aspect-ratio:1 / 1;border-radius:12px;overflow:hidden;background:var(--bg-soft);display:flex;align-items:center;justify-content:center}.recent-song-item__cover img{width:100%;height:100%;object-fit:cover}.recent-song-item__title{font-size:.8125rem;color:var(--text);line-height:1.3;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.my-vocab-list{display:flex;flex-direction:column;gap:8px}.my-vocab-item{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);overflow:hidden}.my-vocab-item__head{display:flex;align-items:center;gap:10px;padding:13px 14px;cursor:pointer;-webkit-tap-highlight-color:transparent}.my-vocab-item__head:active{background:transparent}.my-vocab-item__word{flex:1;min-width:0;display:flex;align-items:baseline;gap:8px}.my-vocab-item__en{font-size:1rem;font-weight:700;color:var(--text)}.my-vocab-item__zh{font-size:1rem;color:var(--text-light)}.my-vocab-item__meta{display:flex;align-items:center;gap:4px;color:var(--text-light);flex-shrink:0}.my-vocab-item__from{font-size:.85rem}.my-vocab-item__songs{border-top:1px solid var(--divider);background:var(--bg);padding:4px 0}.my-vocab-item__song{padding:9px 14px 9px 30px;font-size:1rem;color:var(--text);cursor:pointer;display:flex;align-items:center;gap:8px}.my-vocab-item__song-cover{width:24px;height:24px;border-radius:50%;object-fit:cover;flex-shrink:0;background:var(--bg)}.my-vocab-item__song:active{background:transparent}.hero-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.hero-card-grid--hot{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.hero-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:736 / 320;cursor:pointer;box-shadow:var(--shadow-sm);transition:transform .1s}.hero-card:active{transform:scale(.97)}.hero-card__bg{position:absolute;top:0;right:0;bottom:0;left:0;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:2.25rem}.hero-card__bg img{width:100%;height:100%;object-fit:cover}.hero-card__overlay{position:absolute;left:12px;right:12px;bottom:10px;z-index:2}.hero-card__name{font-size:1rem;font-weight:700;color:#1a1a1a;line-height:1.3;text-shadow:0 1px 2px rgba(255,255,255,.6)}.hero-card__meta{font-size:.9rem;color:#444;margin-top:2px;text-shadow:0 1px 2px rgba(255,255,255,.6)}.topic-list{display:flex;flex-direction:column;gap:6px}.topic-list-row{display:flex;align-items:center;gap:12px;padding:11px 12px;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm);cursor:pointer;transition:transform .08s}.topic-list-row:active{transform:scale(.98)}.topic-list-row__icon{width:36px;height:36px;border-radius:50%;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.25rem;flex-shrink:0;overflow:hidden}.topic-list-row__icon img{width:100%;height:100%;object-fit:cover}.topic-list-row__info{flex:1;min-width:0;display:flex;align-items:baseline;gap:8px}.topic-list-row__name{font-weight:600;font-size:1rem}.topic-list-row__meta{font-size:1rem;color:var(--text-light);white-space:nowrap}.topic-list-row__arrow{color:var(--text-light);font-size:1rem}.topic-card-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media (min-width: 600px){.hero-card-grid,.topic-card-grid{grid-template-columns:repeat(3,1fr)}}@media (min-width: 900px){.hero-card-grid,.topic-card-grid{grid-template-columns:repeat(4,1fr)}}.topic-card{display:flex;align-items:center;gap:10px;padding:10px 12px;background:#fff;border-radius:var(--radius-lg);cursor:pointer;-webkit-tap-highlight-color:transparent}.topic-card:active{transform:scale(.98);background:#fff}.topic-card:focus{outline:none}.topic-card--active{background:#fff}.topic-card--active .topic-card__icon{background:var(--primary-light)}.topic-card__icon{width:60px;height:60px;border-radius:12px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.375rem;overflow:hidden}.topic-card__icon img{width:100%;height:100%;object-fit:cover}.topic-card__info{display:flex;flex-direction:column;min-width:0}.topic-card__name{font-size:1rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topic-card__meta{font-size:1rem;color:var(--text-light);margin-top:2px}.mini-player{position:fixed;bottom:calc(64px + env(safe-area-inset-bottom,0px));left:50%;transform:translate(-50%);width:100%;max-width:var(--app-max-width);height:54px;display:flex;align-items:center;gap:10px;padding:0 10px;background:#fffffff5;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-top:1px solid var(--divider);box-shadow:0 -2px 10px #0000000f;z-index:101;cursor:pointer}.mini-player__cover{width:40px;height:40px;border-radius:8px;overflow:hidden;flex-shrink:0;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary)}.mini-player__cover img{width:100%;height:100%;object-fit:cover}.mini-player__cover img.spin{animation:mini-spin 4s linear infinite}@keyframes mini-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.mini-player__info{flex:1;min-width:0}.mini-player__title{font-size:.92rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-player__sub{font-size:.74rem;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mini-player__btn{width:38px;height:38px;border:none;border-radius:50%;background:transparent;color:var(--text);display:flex;align-items:center;justify-content:center;flex-shrink:0}.mini-player__btn:active{background:var(--divider)}.player-card-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;z-index:200;display:flex;align-items:flex-end;justify-content:center}.player-card{width:100%;max-width:var(--app-max-width);max-height:92vh;background:#fff;border-radius:20px 20px 0 0;display:flex;flex-direction:column;overflow-y:auto;overflow-x:hidden;animation:card-up .25s ease}@keyframes card-up{0%{transform:translateY(30px);opacity:.7}to{transform:translateY(0);opacity:1}}.player-card__topbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px 6px;position:sticky;top:0;background:#fff;z-index:2}.player-card__close{border:none;background:transparent;color:var(--text);padding:4px;display:flex;align-items:center}.player-card__topbar-title{font-size:.88rem;color:var(--text-light);font-weight:500}.player-card__queue-btn{border:none;background:transparent;color:var(--text);padding:4px;display:flex;align-items:center}.player-card__artwork{display:flex;justify-content:center;padding:24px 16px 12px}.player-card__disc{width:min(280px,70vw);height:min(280px,70vw);border-radius:50%;overflow:hidden;box-shadow:0 8px 32px #0000001f,inset 0 0 0 3px #eee;display:flex;align-items:center;justify-content:center;background:#f5f5f5}.player-card__disc img{width:100%;height:100%;object-fit:cover;border-radius:50%}.player-card__disc.spinning{animation:disc-spin 12s linear infinite}@keyframes disc-spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.player-card__meta{text-align:center;padding:4px 16px 10px}.player-card__name{font-size:1.15rem;font-weight:700;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.player-card__artist{font-size:.82rem;color:var(--text-light);margin-top:2px}.player-card__lyrics{max-height:120px;overflow-y:auto;padding:0 20px 8px;text-align:center;-webkit-mask-image:linear-gradient(to bottom,black 80%,transparent 100%);mask-image:linear-gradient(to bottom,black 80%,transparent 100%)}.player-card__lyrics-line{margin:2px 0;font-size:.9rem;color:var(--text-light);line-height:1.55}.player-card__lyrics-empty{font-size:.85rem;color:var(--text-lighter);padding:16px 0}.player-card__progress{padding:8px 20px 2px}.player-card__progress-bar{height:4px;border-radius:2px;background:var(--divider);cursor:pointer;position:relative}.player-card__progress-fill{height:100%;border-radius:2px;background:var(--primary);transition:width .15s linear}.player-card__progress-time{display:flex;justify-content:space-between;font-size:.72rem;color:var(--text-light);margin-top:4px}.player-card__controls{display:flex;align-items:center;justify-content:center;gap:18px;padding:14px 20px calc(60px + env(safe-area-inset-bottom,0px))}.player-card__controls button{border:none;background:transparent;color:var(--text);display:flex;align-items:center;justify-content:center;min-width:36px;min-height:36px}.player-card__play-btn{width:56px!important;height:56px!important;min-width:unset!important;min-height:unset!important;border-radius:50%!important;background:var(--primary)!important;color:#fff!important;font-size:22px;box-shadow:0 4px 16px rgba(var(--primary-rgb, 64, 128, 200),.35)}.queue-panel{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;z-index:210;display:flex;align-items:flex-end;justify-content:center}.queue-panel__sheet{width:100%;max-width:var(--app-max-width);max-height:75vh;background:#fff;border-radius:16px 16px 0 0;display:flex;flex-direction:column;overflow:hidden;animation:queue-up .2s ease}@keyframes queue-up{0%{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}.queue-panel__header{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;font-weight:600;border-bottom:1px solid var(--divider)}.queue-panel__close{border:none;background:transparent;color:var(--text-light);display:flex;align-items:center}.queue-panel__list{overflow-y:auto;padding:6px 0 16px}.queue-row{display:flex;align-items:center;gap:10px;padding:9px 16px;cursor:pointer}.queue-row--active{background:var(--primary-light)}.queue-row__idx{width:20px;text-align:center;color:var(--text-light);font-size:.85rem;flex-shrink:0;display:flex;align-items:center;justify-content:center}.queue-row--active .queue-row__idx{color:var(--primary)}.queue-row__cover{width:38px;height:38px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--primary-light);display:flex;align-items:center;justify-content:center;color:var(--primary)}.queue-row__cover img{width:100%;height:100%;object-fit:cover}.queue-row__info{flex:1;min-width:0}.queue-row__title{font-size:.92rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.queue-row--active .queue-row__title{color:var(--primary);font-weight:600}.queue-row__sub{font-size:.74rem;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.queue-row__badge{font-size:.7rem;color:var(--primary);flex-shrink:0}body.has-mini .app-main{padding-bottom:calc(152px + env(safe-area-inset-bottom,0px))}body.has-mini .page{padding-bottom:calc(24px + env(safe-area-inset-bottom,0px))}body.has-mini .page-scroll{padding-bottom:calc(140px + env(safe-area-inset-bottom,0px))}.page-scroll-spacer{height:0}body.has-mini .page-scroll-spacer{height:calc(140px + env(safe-area-inset-bottom,0px))}