@import"./design-tokens.css";:root{--bg: var(--color-bg, #ffffff);--card: var(--color-surface, #ffffff);--text: var(--color-text, #2d3436);--muted: var(--color-text-muted-alpha, rgba(45,52,54,.55));--border: var(--color-border, rgba(163,177,198,.35));--chip: var(--color-chip, rgba(163,177,198,.12));--shadow: var(--shadow-raised-lg, 8px 8px 16px rgba(163,177,198,.4), -8px -8px 16px rgba(255,255,255,.9));--primary: var(--color-primary, #2563eb);--activeBg: var(--color-warning-soft, #fff7df);--activeBorder: var(--color-warning, #f59e0b);--v4-bg: var(--color-bg, #ffffff);--v4-white: var(--color-surface, #ffffff);--v4-surface: var(--color-surface-raised, #e8edf3);--v4-surface-alt: var(--color-surface-raised-hover, #dce3ec);--v4-text: var(--color-text, #2d3436);--v4-text-2: var(--color-text-secondary, #636e72);--v4-text-3: var(--color-text-faint, #b2bec3);--v4-line: var(--color-border, rgba(163,177,198,.35));--v4-line-light: var(--color-border-light, rgba(163,177,198,.18));--v4-amber: var(--color-warning-strong, #d97706);--v4-shadow-out: var(--shadow-raised-lg, 8px 8px 16px rgba(163,177,198,.4), -8px -8px 16px rgba(255,255,255,.9));--v4-shadow-out-sm: var(--shadow-raised-sm, 4px 4px 10px rgba(163,177,198,.3), -4px -4px 10px rgba(255,255,255,.8));--v4-shadow-in: var(--shadow-inset-md, inset 3px 3px 7px rgba(163,177,198,.35), inset -3px -3px 7px rgba(255,255,255,.8));--v4-shadow-btn: var(--shadow-raised-md, 6px 6px 14px rgba(163,177,198,.35), -6px -6px 14px rgba(255,255,255,.8));--v4-shadow-btn-hover: var(--shadow-raised-sm, 4px 4px 10px rgba(163,177,198,.3), -4px -4px 10px rgba(255,255,255,.8))}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:var(--font-sans, "Plus Jakarta Sans", "SE PingFang SC", "Noto Sans SC", system-ui, -apple-system, sans-serif);color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}button,input,textarea,select{font-family:var(--font-sans, "Plus Jakarta Sans", "SE PingFang SC", "Noto Sans SC", system-ui, sans-serif)}.wrap{max-width:1800px;width:92vw;margin:24px auto 32px;background:transparent}.topbar{position:sticky;top:10px;z-index:10;background:#ffffffeb;backdrop-filter:blur(10px);border:1px solid var(--border);border-radius:14px;padding:10px 12px;display:flex;align-items:center;justify-content:space-between;gap:10px;box-shadow:var(--shadow);display:none!important}.videoActions{margin-top:10px;padding:10px 12px;border-bottom:1px solid rgba(15,23,42,.1);border-radius:14px;background:#ffffffeb;backdrop-filter:blur(10px);box-shadow:var(--shadow);display:flex;align-items:center;gap:18px}.left,.right{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.pill{padding:6px 10px;border-radius:999px;background:var(--chip);font-size:12px;color:var(--muted)}.btn{border:1px solid var(--border);background:var(--v4-surface);color:var(--text);padding:7px 10px;border-radius:12px;cursor:pointer;font-size:13px;display:inline-flex;align-items:center;gap:6px}.btn:hover{background:var(--v4-surface-alt)}.btn.primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn.danger{border-color:#fecaca;color:#b91c1c}.btn.danger:hover{background:#fff1f2}.status{display:flex;align-items:center;gap:8px}.dot{width:8px;height:8px;border-radius:50%;background:#10b981}.dot.lock{background:#f59e0b}.hint{font-size:12px;color:var(--muted)}.layout{display:grid;grid-template-columns:5.7fr 4.3fr;gap:0;align-items:stretch}.layout>.panel:first-child{border-top-right-radius:0;border-bottom-right-radius:0;border-right:0}.layout>.panel:last-child{border-top-left-radius:0;border-bottom-left-radius:0;border-left:0;position:relative}.layout>.panel:last-child .panel-hd{position:absolute;top:0;left:0;right:0;height:64px;box-sizing:border-box;border-bottom:none;padding-top:18px;padding-bottom:8px}.layout>.panel:last-child .panel-hd .subTools{top:8px}.panel{border:none;border-radius:0;background:var(--bg);overflow:hidden;box-shadow:none}.panel-hd{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 12px;border-bottom:1px solid var(--v4-line-light);background:var(--bg);margin:0;position:relative;z-index:20;flex-shrink:0}.hideCardBar,.panel-hd.hideCardBar{display:none!important}.videoTitleBar{padding:24px 16px 8px;border-bottom:none;background:transparent;flex-shrink:0}.videoTitleMain{display:block;margin:0;font-size:24px;font-weight:600;line-height:1.2;color:var(--v4-text-2);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;letter-spacing:.5px!important;min-height:26px;outline:none;padding:2px 0}.videoTitleMeta{margin-top:6px;display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:12px;color:var(--v4-text-2)}.videoTitleMeta span{white-space:nowrap}.subTools{margin-left:auto;display:flex;gap:8px;align-items:center;position:relative}.iconBtn{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border:none;background:var(--v4-surface);border-radius:10px;cursor:pointer;user-select:none;padding:0;box-shadow:var(--v4-shadow-btn);transition:box-shadow .15s ease;position:relative}.iconBtn:hover{background:var(--v4-surface);box-shadow:var(--v4-shadow-out)}.iconBtn:active{box-shadow:var(--v4-shadow-in)}.iconBtn.active{background:var(--v4-text);border-color:var(--v4-text);color:#fff}.iconBtn span{font-size:16px;line-height:1}.subTools .iconBtn{width:auto;height:30px;min-width:62px;min-height:30px;padding:0 10px;border-radius:10px;border:none;background:var(--v4-white);box-shadow:0 3px 10px #0f172a14;flex-direction:row;gap:0;color:#666}.subTools .iconBtn svg{display:none}.subTools .iconBtn .ibl{font-size:11px;line-height:1;margin-top:0;font-weight:700;letter-spacing:.2px;color:#666;transform:translateY(1px)}.subTools .iconBtn:hover{background:var(--v4-white);color:#555;box-shadow:0 3px 10px #0f172a14}.subTools .iconBtn.active{background:var(--v4-white);color:#444;box-shadow:inset 0 2px 6px #0f172a1f}#playMenu{right:0}.subMenu{position:absolute;right:0;top:calc(100% + 8px);min-width:160px;padding:10px;border:1px solid var(--v4-line);border-radius:12px;background:var(--v4-white);box-shadow:var(--shadow);backdrop-filter:blur(10px);z-index:50}.subMenuItem{display:flex;gap:10px;align-items:center;padding:8px 6px;border-radius:10px;cursor:pointer;user-select:none}.subMenuItem:hover{background:var(--v4-line)}.ipa{margin:4px 0 0 52px;font-size:12px;color:var(--v4-text-2)}#vtEpNum:focus,#vtMainTitle:focus{outline:2px solid rgba(59,130,246,.25);outline-offset:2px;border-radius:6px;background:#3b82f60a}.videoBox video{width:100%;display:block;aspect-ratio:16 / 9;height:auto;background:#000;border-radius:0}.subsBox{flex:1;min-height:0;overflow-y:auto;padding:18px;scroll-behavior:smooth;background:var(--bg)}.subsBox::-webkit-scrollbar{width:0}@media(max-width:1100px){.layout{grid-template-columns:1fr 1fr}}@media(max-width:900px){.admin-panel{position:static!important;width:auto!important;max-height:none!important}.layout{grid-template-columns:1fr;gap:16px}.layout>.panel:last-child{border-radius:8px;border-left:1px solid var(--border);min-height:460px;overflow:visible}.subsBox{height:460px}}.line{background:transparent;padding:14px 16px;border-radius:0;border:none;box-shadow:none;transition:background .16s ease;position:relative}.line:hover{background-color:#94a3b814}.line+.line{border-top:none}.line+.line:after{content:"";position:absolute;top:0;left:18px;right:18px;height:.5px;background:#94a3b833;pointer-events:none}.line.active{background:#ffffff57;box-shadow:0 2px 8px #0f172a1a;border-radius:8px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.pbtn{width:38px;height:38px;border:none;background:transparent;display:inline-flex;align-items:center;justify-content:center;padding:0;cursor:pointer;position:relative;box-shadow:none;opacity:1}.pbtn.play,.pbtn.rec{width:38px;height:38px}.pbtn.play{border-radius:999px;overflow:hidden;background:transparent!important;box-shadow:none!important}.pbtn.play{border-radius:999px;overflow:hidden}.pbtn.play.is-playing{filter:brightness(.92)}.pbtn.play .ico-pause,.pbtn.play.is-playing .ico-play{opacity:0}.pbtn.play.is-playing .ico-pause{opacity:1}.pbtn .icon{display:block}.pbtn.play .icon{width:38px;height:38px}.pbtn.rec .icon,.pbtn.playrec .icon{width:40px;height:40px}.pbtn.playrec{border-radius:999px;overflow:hidden;background:transparent!important;box-shadow:none!important}.pbtn:active{transform:translateY(1px)}.pbtn.disabled{cursor:not-allowed;opacity:.55;background:#fff9;border-color:#0f172a1a;box-shadow:none}.pbtn.disabled .icon{color:#0f172a47}.pbtn.playrec.disabled{background:transparent!important;box-shadow:none!important;opacity:.55;filter:grayscale(1)}.pbtn.playrec.is-playing{animation:prPulse 1.05s ease-in-out infinite;box-shadow:0 6px 16px #f472b638}@keyframes playPulse{0%{transform:translateY(0) scale(1)}55%{transform:translateY(-.5px) scale(1.015)}to{transform:translateY(0) scale(1)}}.pbtn.playrec.is-playing svg .wave1{opacity:.95;animation:waveA .9s ease-in-out infinite}.pbtn.playrec.is-playing svg .wave2{opacity:.65;animation:waveB .9s ease-in-out infinite}@keyframes waveA{0%{transform:scaleY(.85)}50%{transform:scaleY(1.15)}to{transform:scaleY(.85)}}@keyframes waveB{0%{transform:scaleY(1.1)}50%{transform:scaleY(.8)}to{transform:scaleY(1.1)}}.pbtn.playrec svg .wave1,.pbtn.playrec svg .wave2{transform-origin:50px 50px}.pbtn.rec.is-recording{opacity:1}@keyframes ringSweep{0%{transform:rotate(0);opacity:.55}to{transform:rotate(360deg);opacity:.55}}.pbtn.rec .badge{position:absolute;right:6px;top:6px;width:6px;height:6px;border-radius:999px;background:transparent;box-shadow:none;transform:scale(0);transition:transform .15s ease,background .15s ease,box-shadow .15s ease}.pbtn.rec.has-recording .badge{transform:scale(1);background:#ff94d8f2;box-shadow:0 0 0 2px #fffffff2}.rec-score{font-size:10px;font-weight:700;margin-left:2px;vertical-align:middle;min-width:28px;display:inline-block;text-align:center}.pbtn.rec.is-recording{animation:recBreath 1.15s ease-in-out infinite}@keyframes recBreath{0%{transform:scale(1);filter:drop-shadow(0 0 0 rgba(255,148,216,0))}45%{transform:scale(1.035);filter:drop-shadow(0 6px 14px rgba(255,148,216,.22))}to{transform:scale(1);filter:drop-shadow(0 0 0 rgba(255,148,216,0))}}.pbtn.rec.is-recording .badge{transform:scale(0)!important}@keyframes recPulse{0%{box-shadow:0 0 #f9a8d499}70%{box-shadow:0 0 0 6px #f9a8d400}to{box-shadow:0 0 #f9a8d400}}.pbtn.rec.is-recording{animation:recPulse 1.5s infinite;filter:brightness(.95);border-radius:50%}.pbtn.rec .ico-mic{display:block}.pbtn.rec .ico-stop,.pbtn.rec.is-recording .ico-mic{display:none}.pbtn.rec.is-recording .ico-stop{display:block}.line.active:hover{background:#fff6;transform:translateY(-1px);box-shadow:0 4px 12px #0f172a24}.line.active.is-looping:hover{background:#ffffff6b!important}.line.active.is-looping.is-playing:hover{background:#ffffff7a!important}.line:before{display:none}.line-num-badge{position:absolute;top:10px;right:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:#0f172a33;pointer-events:none;font-weight:700;transition:color .2s ease}.line-num-badge span{font-size:9px;margin-right:1px;vertical-align:baseline}.line-num-badge b{font-size:11px;font-style:normal}.line:hover .line-num-badge,.line.active .line-num-badge{color:#0f172a66}.line.active:before{opacity:1}.meta{display:none}.ts{flex:0 0 auto;text-align:left;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;font-weight:400;font-variant-numeric:tabular-nums;letter-spacing:.03em;color:var(--v4-text-3);background:transparent!important;border:0!important;padding:0!important;border-radius:0!important;margin:0}.line.active .ts{background:transparent!important;color:#0f172a59}.en{display:flex;flex-direction:column;align-items:flex-start;gap:2px;font-size:16px;color:#0f172a;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,system-ui,sans-serif;font-weight:450;font-variation-settings:"wght" 450;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.7;letter-spacing:-.005em}.enText{flex:1}.zh{padding-left:0;color:var(--v4-text-2);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,system-ui,sans-serif;font-size:13px;font-weight:400;line-height:1.6;margin-top:4px}.ipa{margin-top:4px;margin-left:0;padding-left:0;color:#64748b;font-size:13px;font-weight:400;line-height:1.3;margin-bottom:4px}.quick-mode-tabs{display:flex;gap:4px;margin-left:16px}.qm-tab{padding:4px 12px;border-radius:6px;border:1px solid rgba(15,23,42,.1);background:transparent;font-size:12px;font-weight:500;color:#0f172a8c;cursor:pointer;transition:all .15s ease;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.qm-tab:hover{background:#0f172a08;color:var(--v4-text)}.qm-tab.active{background:var(--v4-text);color:#fff;border-color:var(--v4-text)}[data-theme=dark] .qm-tab{border-color:#ffffff1a;color:#ffffff80}[data-theme=dark] .qm-tab:hover{background:#ffffff0f;color:#fffc}[data-theme=dark] .qm-tab.active{background:var(--v4-text);border-color:var(--v4-text-2);color:#fff}.hl-legend{display:flex;align-items:center;gap:14px;padding:8px 18px;border-bottom:1px solid var(--v4-line);background:var(--bg);font-size:11px;color:var(--v4-text-3);flex-wrap:wrap;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.hl-legend-item{display:inline-flex;align-items:center;gap:5px;white-space:nowrap}.hl-legend-dot{width:10px;height:10px;border-radius:3px;display:inline-block;flex-shrink:0}[data-theme=dark] .hl-legend{background:var(--v4-text);border-color:#ffffff0f;color:#ffffff59}.hl{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-weight:700!important;border-radius:4px!important;padding:1px 4px!important;margin:0 2px!important;text-decoration:none!important;-webkit-text-stroke:0!important;text-shadow:none!important;transition:all .2s}.hl,.hl.bg-green{background-color:#d1fae5!important;color:#064e3b!important}.hl.bg-yellow{background-color:#fef3c7!important;color:#78350f!important}.hl.bg-red{background-color:#ffe4e6!important;color:#881337!important}.hl.bg-blue{background-color:var(--v4-surface)!important;color:#1e40af!important}.hl.bg-purple{background-color:#f3e8ff!important;color:#6b21a8!important}.hl.bg-teal{background-color:#ccfbf1!important;color:#0f766e!important}.hl.bg-orange{background-color:#ffedd5!important;color:#c2410c!important}.hl:hover{filter:brightness(.95)}.hl-cloze{display:inline-block;padding:2px 6px;border-radius:6px;font-weight:600;cursor:pointer;transition:all .2s ease;line-height:1.4;margin:0 2px;color:var(--v4-text)}.hc-0{background-color:#d1fae5;color:#065f46}.hc-1{background-color:#dbeafe;color:#1e40af}.hc-2{background-color:#f3e8ff;color:#6b21a8}.hc-3{background-color:#ffedd5;color:#9a3412}.hl-cloze.is-masked{color:transparent!important;user-select:none}.hl-cloze.is-masked:hover{opacity:.85}.wordcard{position:fixed;z-index:9999;width:320px;background:var(--v4-white);border:1px solid rgba(0,0,0,.06);border-radius:12px;box-shadow:0 4px 12px #00000014,0 1px 2px #0000000d;padding:24px;display:none;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.wc-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:2px}.wc-word{font-size:28px;font-weight:800;color:var(--v4-text);line-height:1.2;letter-spacing:-.02em}.wc-close{background:transparent;border:none;cursor:pointer;color:var(--v4-text-3);padding:4px;transition:color .2s}.wc-close:hover{color:var(--v4-text-2)}.wc-phonetic-row{display:flex;align-items:center;gap:8px;margin-bottom:14px;min-height:24px}.wc-ipa{font-family:Lucida Sans Unicode,sans-serif;font-size:15px;color:var(--v4-text-2);font-weight:400}.wc-speak-btn{background:var(--v4-bg);border:none;cursor:pointer;width:26px;height:26px;border-radius:50%;color:var(--v4-text-2);display:flex;align-items:center;justify-content:center;transition:all .2s}.wc-speak-btn:hover{background:var(--v4-surface-alt);color:#111}.wc-speak-btn svg{width:14px;height:14px;fill:currentColor}.wc-zh-large{font-size:18px;font-weight:600;color:var(--v4-text);margin-bottom:12px;line-height:1.6;display:block}.wc-pos-tag{display:inline-block;vertical-align:baseline;font-size:16px;font-weight:800;font-style:normal;color:var(--v4-text);background:var(--v4-bg);padding:0 6px;border-radius:4px;margin-right:8px}.wc-green-box{position:relative;background:#ecfdf5;color:#047857;padding:10px 14px;font-size:14px;line-height:1.5;font-weight:500;border-radius:0 6px 6px 0;margin-top:8px;white-space:pre-wrap}.wc-green-box:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:#34d399;border-top-left-radius:0;border-bottom-left-radius:0}.wc-tags{margin-top:12px;display:flex;gap:6px}.wc-chip{padding:2px 8px;border-radius:4px;background:var(--v4-bg);font-size:12px;color:var(--v4-text-2)}.wc-edit-mode{display:flex;flex-direction:column;gap:8px}.wc-edit-row{display:flex;flex-direction:column;gap:2px}.wc-edit-label{font-size:12px;color:var(--v4-text-3);font-weight:600}.wc-edit-input{padding:6px 8px;border:1px solid var(--v4-line);border-radius:6px;font-size:14px;font-family:inherit;background:var(--v4-bg);outline:none;width:100%}.wc-edit-input:focus{border-color:var(--v4-text);background:var(--v4-white);box-shadow:0 0 0 2px #2563eb1a}.wc-edit-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px;padding-top:8px;border-top:1px solid var(--v4-surface)}.wc-btn-save{background:var(--v4-text);color:#fff;border:none;padding:6px 14px;border-radius:6px;font-size:13px;cursor:pointer}.wc-btn-cancel{background:var(--v4-bg);color:var(--v4-text-2);border:1px solid var(--v4-line);padding:6px 14px;border-radius:6px;font-size:13px;cursor:pointer}.wc-edit-btn{background:transparent;border:none;cursor:pointer;color:var(--v4-text-3);padding:4px;margin-right:4px}.wc-edit-btn:hover{color:var(--v4-text)}.hl-type-wrap{position:relative;display:inline-flex;vertical-align:middle;margin:0 10px 0 4px!important}.hl-input{background:var(--v4-white);border:1px solid #eceae7;border-radius:6px;box-shadow:0 1px 2px #0000000d;font-family:inherit;font-size:14px;font-weight:600;text-align:center;color:var(--v4-text-2);outline:none;height:28px;line-height:26px;padding:0 8px;min-width:40px;transition:all .2s ease}.hl-input:focus{border-color:#a4e2f2;box-shadow:0 0 0 3px #a4e2f21a}.hl-input.is-correct{background-color:#f0fdf4!important;border-color:#22c55e!important;color:#15803d!important}.hl-input.is-error{background-color:#fef2f2!important;border-color:#ef4444!important;color:#b91c1c!important;animation:shake .4s ease-in-out}.hl-input-speak{position:absolute;top:-6px;right:-13px!important;width:12px;height:12px;background:transparent!important;box-shadow:none!important;border-radius:50%;cursor:pointer;color:#c9c9c9;display:flex;align-items:center;justify-content:center;transition:all .2s;z-index:2}.hl-input-speak:hover{color:var(--v4-text-2);transform:scale(1.2)}.hl-input-speak svg{width:14px;height:14px;fill:currentColor}.hl-input.is-correct{background-color:#10b981!important;color:#fff!important;box-shadow:0 2px 6px #10b98166}.hl-input.is-error{background-color:#fee2e2!important;color:#b91c1c!important;border-color:#fca5a5!important;animation:shake .4s ease-in-out}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.dict-wrap-line{display:block;width:100%;margin:6px 0 10px;padding:0}.dict-input{display:block!important;width:100%!important;box-sizing:border-box!important;border:1px solid var(--v4-line)!important;background:var(--v4-bg)!important;outline:none!important;font-size:15px!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-weight:500!important;color:var(--v4-text)!important;padding:4px 12px!important;margin:0!important;transition:all .2s!important;border-radius:8px!important;box-shadow:inset 0 1px 2px #00000005!important;line-height:1.4!important}.dict-input:focus{border-color:var(--v4-text-2)!important;background:var(--v4-white)!important;box-shadow:0 0 0 3px #3b82f61a!important}.dict-input.is-correct{color:#166534!important;border-color:#22c55e!important;background:#f0fdf4!important}.dict-input.is-error{color:#dc2626!important;border-color:#f87171!important;background:#fef2f2!important}.btn-slow{font-size:12px!important;font-weight:600!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;color:var(--v4-text-3)!important;border:1px solid var(--v4-line)!important;border-radius:6px!important;padding:0 8px!important;width:auto!important;height:22px!important;line-height:1!important;margin-left:6px!important;cursor:pointer!important;transition:all .2s!important;background:transparent!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;transform:none!important}.btn-slow:hover{color:var(--v4-text)!important;border-color:var(--v4-text-3)!important;background:var(--v4-surface)!important}[data-theme=dark] .dict-input{color:var(--v4-surface)!important;background:var(--v4-white)!important;border-color:var(--v4-text-2)!important}[data-theme=dark] .dict-input:focus{border-color:var(--v4-text)!important;background:var(--v4-bg)!important}[data-theme=dark] .dict-input.is-correct{background:#22c55e1a!important;border-color:#22c55e!important}[data-theme=dark] .dict-input.is-error{background:#ef44441a!important;border-color:#ef4444!important}[data-theme=dark] .btn-slow{color:var(--v4-text-3)!important;border-color:var(--v4-text-2)!important}[data-theme=dark] .btn-slow:hover{color:var(--v4-text-3)!important;background:var(--v4-white)!important}.enText{width:100%!important;display:block!important}.hl-input-clear{width:24px;height:24px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--v4-text-3);transition:all .2s;margin-left:-2px;flex-shrink:0}.hl-input-clear:hover{background:#fff7ed;color:#f97316;transform:rotate(90deg)}.hl-input-clear svg{width:14px;height:14px}.hl-input-hint{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:var(--v4-bg);border:none;cursor:pointer;font-size:11px;font-weight:700;color:var(--v4-text-2);margin-left:3px;vertical-align:middle;transition:all .15s}.hl-input-hint:hover{background:#fef9c3;color:#b45309}.btn.btn-dirty{border-color:#f59e0b;background:#fffbeb;color:#92400e}.admin-panel{position:fixed;top:64px;right:0;bottom:0;width:var(--adm-w, 460px);min-width:320px;max-width:60vw;height:calc(100vh - 64px);max-height:none;display:none;flex-direction:column;background:#fffffff7;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);border-left:1px solid rgba(15,23,42,.08);box-shadow:-12px 0 32px -16px #0000001f;z-index:1000;font-size:13px;overflow-y:auto;overflow-x:hidden;color:var(--v4-text-2)}.admin-panel .adm-resize-handle{position:absolute;left:0;top:0;bottom:0;width:6px;cursor:ew-resize;z-index:4}.admin-panel .adm-resize-handle:hover,.admin-panel.adm-resizing .adm-resize-handle{background:#3b82f647}.admin-panel{--adm-accent: #3b82f6;--adm-accent-hover: #2563eb;--adm-line: rgba(15, 23, 42, .08);--adm-line-soft: rgba(15, 23, 42, .05);--adm-text-strong: #0f172a;--adm-text-2: #64748b;--adm-text-3: #94a3b8;--adm-bg-input: #fafbfc}.admin-panel .admin-header{background:#fff;padding:14px 20px 10px;border-bottom:1px solid var(--adm-line);display:flex;align-items:flex-start;justify-content:space-between;flex-shrink:0}.admin-panel .admin-header h4{margin:0;font-size:14px;font-weight:600;letter-spacing:0;color:var(--adm-text-strong)}.admin-panel .admin-header .adm-quota-badge{font-size:11px;font-weight:500;color:var(--adm-text-2);padding:2px 8px;background:transparent;border:1px solid var(--adm-line);border-radius:999px}.admin-panel .admin-header .adm-limit-row{display:flex;align-items:center;gap:6px;margin-top:6px;font-size:11px;color:var(--adm-text-2)}.admin-panel .admin-header .adm-limit-row input{width:64px;padding:4px 8px;font-size:12px;text-align:center}.admin-panel .admin-header .adm-limit-row button{padding:4px 10px;font-size:11px}.admin-panel .adm-status-bar{padding:10px 20px;border-bottom:1px solid var(--adm-line-soft);display:flex;flex-direction:column;gap:6px;flex-shrink:0}.admin-panel .adm-search-row{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:6px;background:var(--adm-bg-input);border:1px solid var(--adm-line)}.admin-panel .adm-search-row input{flex:1;border:0;padding:0;background:transparent;font-size:12.5px;color:var(--adm-text-strong)}.admin-panel .adm-search-row input:focus{box-shadow:none;background:transparent}.admin-panel .adm-search-hint,.admin-panel #adminHint{font-size:11px;color:var(--adm-text-3)}.admin-panel .adm-tabs{display:flex;gap:0;padding:0 20px;background:#fff;border-bottom:1px solid var(--adm-line);flex-shrink:0}.admin-panel .adm-tab{flex:1;padding:10px 0;background:transparent;border:0;border-bottom:2px solid transparent;font-size:12.5px;font-weight:500;color:var(--adm-text-2);cursor:pointer;transition:color .12s,border-color .12s}.admin-panel .adm-tab:hover{color:var(--adm-text-strong)}.admin-panel .adm-tab.active{color:var(--adm-accent);border-bottom-color:var(--adm-accent);font-weight:600}.admin-panel .admin-body{flex:1;overflow-y:auto;padding:0;display:flex;flex-direction:column;gap:0}.admin-panel .adm-section,.admin-panel .adm-smart-box,.admin-panel .adm-phrase-box,.admin-panel .adm-autogen-box,.admin-panel .adm-sub-box,.admin-panel .adm-add-box,.admin-panel .adm-file-box,.admin-panel .adm-danger-zone{background:transparent;border:0;border-top:1px solid var(--adm-line-soft);border-radius:0;padding:16px 20px;box-shadow:none}.admin-panel .adm-tab-pane.active>.adm-section:first-child,.admin-panel .adm-tab-pane.active>.adm-smart-box:first-child{border-top:0}.admin-panel .adm-section:hover{box-shadow:none}.admin-panel .adm-sec-title{font-size:11px;font-weight:600;letter-spacing:.6px;text-transform:uppercase;color:var(--adm-text-3);margin-bottom:10px;display:flex;align-items:center;gap:6px}.admin-panel .adm-form-grid{display:grid;gap:10px}.admin-panel .adm-row-2{display:grid;grid-template-columns:1fr 1fr;gap:10px}.admin-panel .adm-row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px}.admin-panel .adm-input-group label{display:block;font-size:11px;font-weight:500;color:var(--adm-text-2);margin-bottom:4px}.admin-panel input,.admin-panel textarea,.admin-panel select{width:100%;box-sizing:border-box;background:var(--adm-bg-input);border:1px solid var(--adm-line);border-radius:6px;padding:7px 10px;font-size:12.5px;color:var(--adm-text-strong);outline:none;font-family:inherit;transition:border-color .12s,box-shadow .12s,background .12s}.admin-panel input:hover,.admin-panel textarea:hover{border-color:#0f172a2e}.admin-panel input:focus,.admin-panel textarea:focus{background:#fff;border-color:var(--adm-accent);box-shadow:0 0 0 3px #3b82f61f}.admin-panel input:disabled{background:#f1f5f980;color:var(--adm-text-3);cursor:not-allowed}.admin-panel textarea{resize:vertical;min-height:50px;line-height:1.5}.admin-panel .adm-mono{font-family:ui-monospace,SF Mono,Menlo,Consolas,monospace}.admin-panel .adm-actions{display:flex;gap:8px;margin-top:10px}.admin-panel .adm-actions.right{justify-content:flex-end}.admin-panel .btn{background:#fff;border:1px solid var(--adm-line);border-radius:6px;padding:7px 12px;font-size:12.5px;font-weight:500;color:var(--adm-text-strong);cursor:pointer;transition:background .12s,border-color .12s,color .12s}.admin-panel .btn:hover{background:var(--adm-bg-input);border-color:#0f172a2e}.admin-panel .btn.primary{background:var(--adm-accent);border-color:var(--adm-accent);color:#fff}.admin-panel .btn.primary:hover{background:var(--adm-accent-hover);border-color:var(--adm-accent-hover)}.admin-panel .btn.danger{background:#fff;border-color:#ef444466;color:#b91c1c}.admin-panel .btn.danger:hover{background:#fef2f2;border-color:#ef4444}.admin-panel .adm-btn-ghost{background:transparent;border:0;color:var(--adm-text-2);font-size:11px;padding:4px 8px}.admin-panel .adm-btn-ghost:hover{color:var(--adm-text-strong);background:var(--adm-bg-input)}.admin-panel .adm-min-btn{background:transparent;border:0;color:var(--adm-text-2);font-size:18px;line-height:1;cursor:pointer;padding:4px 8px;border-radius:4px}.admin-panel .adm-min-btn:hover{background:var(--adm-bg-input);color:var(--adm-text-strong)}.admin-panel .adm-prev-row{display:flex;align-items:center;gap:8px;font-size:12px;padding:6px 10px;border-radius:6px}.admin-panel .adm-prev-row.ok{background:#10b98114;color:#047857}.admin-panel .adm-prev-row.err{background:#ef444414;color:#b91c1c}.admin-panel .adm-type-tag{font-size:10px;font-weight:600;padding:2px 6px;border-radius:3px;white-space:nowrap;background:#0f172a0d;color:var(--adm-text-2)}.admin-panel .adm-type-tag.spoken{background:#6366f114;color:#4f46e5}.admin-panel .adm-type-tag.pv{background:#3b82f614;color:var(--adm-accent)}.admin-panel .adm-type-tag.colloc{background:#05966914;color:#047857}.admin-panel .adm-type-tag.word{background:#0f172a0d;color:var(--adm-text-2)}.admin-panel .adm-filter-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:4px;border:1px solid var(--adm-line);background:transparent;font-size:11px;font-weight:500;color:var(--adm-text-2);cursor:pointer;transition:background .12s,color .12s,border-color .12s}.admin-panel .adm-filter-chip:hover:not(.active){background:var(--adm-bg-input);color:var(--adm-text-strong)}.admin-panel .adm-filter-chip.active{background:var(--adm-accent);color:#fff;border-color:var(--adm-accent)}.admin-panel .adm-hl-row{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:6px;cursor:pointer;background:transparent;font-size:12px;transition:background .12s}.admin-panel .adm-hl-row:hover{background:var(--adm-bg-input)}.admin-panel .hl-list{display:flex;flex-direction:column;gap:6px}.admin-panel .hl-item{background:#fff;border:1px solid var(--adm-line-soft);border-radius:6px;padding:8px 12px;display:flex;justify-content:space-between;align-items:center}.admin-panel .hl-item .t{font-weight:600;color:var(--adm-text-strong);font-size:12.5px}.admin-panel .hl-item .m{font-size:11px;color:var(--adm-text-2);margin-top:3px}.admin-panel .cand-box{background:transparent;border:1px solid var(--adm-line);border-radius:6px;padding:12px;margin-top:10px}.admin-panel .cefr-radio{display:inline-flex;align-items:center;gap:4px;padding:5px 12px;border-radius:4px;cursor:pointer;font-size:11px;font-weight:500;color:var(--adm-text-2);border:1px solid var(--adm-line);background:transparent;transition:background .12s,color .12s,border-color .12s}.admin-panel .cefr-radio input{display:none}.admin-panel .cefr-radio:has(input:checked){background:var(--adm-accent);color:#fff;border-color:var(--adm-accent);box-shadow:none}@media(min-width:901px){.panel-hd{background:transparent!important}.subsBox{position:absolute;inset:78px 0 0;overflow-y:auto;padding:18px;scroll-behavior:smooth;background:var(--v4-bg)}.layout>.panel:first-child{padding:0 14px 18px 22px;box-sizing:border-box;background-color:var(--bg)}.admin-panel.minimized{inset:auto 16px 16px auto;width:auto;height:auto;min-width:0;max-width:none;max-height:none;padding:0;overflow:hidden;border:1px solid rgba(15,23,42,.08);border-radius:999px;box-shadow:0 10px 28px -10px #0000002e;cursor:pointer}.admin-panel.minimized>:not(.adm-chip){display:none!important}.admin-panel .adm-chip{display:none}.admin-panel.minimized .adm-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;font:600 13px/1 var(--font-sans, system-ui, sans-serif);color:#0f172a;background:#fffffff7;border:0;cursor:pointer}.admin-panel.minimized .adm-chip:hover{background:#f1f5f9}#bookMenu{padding:8px;border-radius:14px;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f,0 20px 25px -5px #0000001a}#bookMenu .subMenuItem{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;transition:all .2s cubic-bezier(.4,0,.2,1);border:1px solid transparent;margin-bottom:2px}#bookMenu .subMenuItem:hover{background:var(--v4-bg);transform:translateY(-1px)}.icon-box{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;font-size:18px;background:var(--v4-bg);transition:all .2s}.i-blue{background:#eff6ff;color:#2563eb}.i-green{background:#f0fdf4;color:#16a34a}.i-gray{background:var(--v4-bg);color:var(--v4-text-2)}[data-cloze=cloze_click]:hover .i-blue{background:#dbeafe}[data-cloze=cloze_type]:hover .i-green{background:#dcfce7}[data-cloze=off]:hover .i-gray{background:var(--v4-surface-alt);color:#ef4444}.menu-text{flex:1;display:flex;flex-direction:column;justify-content:center}.mt-title{font-size:14px;font-weight:600;color:var(--v4-text-2);line-height:1.2}.mt-desc{font-size:11px;color:var(--v4-text-3);font-weight:500;margin-top:2px}#bookMenu .pmCheck{color:var(--v4-text);font-weight:700;font-size:16px}#bookMenu .subMenuItem[data-cloze=cloze_click]:has(.pmCheck:not([style*=none])){background:var(--v4-surface);border-color:var(--v4-surface)}#bookMenu .subMenuItem[data-cloze=cloze_type]:has(.pmCheck:not([style*=none])){background:#f0fdf4;border-color:#dcfce7}#btnMinAdmin:hover{background-color:var(--v4-bg);color:var(--v4-text-2)}.iconBtn[data-tooltip]:hover:after{content:attr(data-tooltip);position:absolute;top:100%;left:50%;transform:translate(-50%);margin-top:10px;background-color:var(--v4-surface);color:var(--v4-text);padding:6px 10px;border-radius:8px;font-size:12px;font-weight:600;white-space:nowrap;box-shadow:0 4px 12px #2563eb26;z-index:100;pointer-events:none;animation:tooltipFadeIn .2s cubic-bezier(.2,0,.2,1) forwards}.iconBtn[data-tooltip]:hover:before{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);margin-top:4px;border:6px solid transparent;border-bottom-color:var(--v4-surface);z-index:100;animation:tooltipFadeIn .2s cubic-bezier(.2,0,.2,1) forwards}@keyframes tooltipFadeIn{0%{opacity:0;transform:translate(-50%) translateY(-2px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.iconBtn.active svg rect[fill=white]{fill:var(--v4-text)!important;transition:fill .2s ease}.iconBtn.active svg path,.iconBtn.active svg line,.iconBtn.active svg rect[stroke]{stroke:var(--v4-bg)!important;transition:stroke .2s ease}.iconBtn.active svg path[opacity]{stroke:var(--v4-bg)!important}.iconBtn.active svg rect[fill="#1d1d1f"]{fill:var(--v4-bg)!important;transition:fill .2s ease}.iconBtn.active svg [fill]:not([fill=none]){fill:var(--v4-bg)!important;transition:fill .2s ease}.iconBtn.active svg [stroke]{stroke:var(--v4-bg)!important;transition:stroke .2s ease}#btnPlayMode.active svg path:not([fill=none]){fill:var(--v4-bg)!important}#playMenu,#langMenu{padding:8px;border-radius:18px;box-shadow:0 10px 30px -5px #0000001a,0 4px 6px -2px #0000000d,0 0 0 1px #0000000a;background:#fffffff5;backdrop-filter:blur(16px);min-width:240px}.pm-group-title{font-size:11px;font-weight:700;color:var(--v4-text-3);padding:12px 12px 6px;text-transform:uppercase;letter-spacing:.8px}#playMenu .subMenuItem{display:flex;align-items:center;gap:12px;padding:8px 10px;border-radius:12px;cursor:pointer;transition:all .2s cubic-bezier(.2,0,.2,1);color:var(--v4-text-2);margin-bottom:2px;border:1px solid transparent}#playMenu .subMenuItem:hover{background:var(--v4-bg);transform:translate(2px)}.pm-icon-box{width:32px;height:32px;border-radius:8px;background:var(--v4-bg);color:var(--v4-text-2);display:flex;align-items:center;justify-content:center;transition:all .2s ease;flex-shrink:0}.pm-icon-box svg{width:18px;height:18px;stroke-width:2.2}.pm-text{font-size:14px;font-weight:500;flex:1}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])){background:var(--v4-surface);border-color:#2563eb1a}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) .pm-icon-box{background:var(--v4-text);color:var(--v4-bg);box-shadow:0 4px 12px #2563eb59;transform:scale(1.05)}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) .pm-text{color:var(--v4-text);font-weight:600}#playMenu .pmCheck{color:var(--v4-text);margin-left:auto;font-weight:700}#subMenu,#playMenu,#bookMenu,#langMenu{padding:6px;background:var(--v4-white);border:1px solid rgba(0,0,0,.08);border-radius:12px;box-shadow:0 4px 6px -1px #0000000d,0 10px 15px -3px #0000000d;min-width:200px}.subMenuItem{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:8px;cursor:pointer;color:var(--v4-text-2);background:transparent;transition:all .15s ease;margin-bottom:2px;border:none}.subMenuItem:hover{background:var(--v4-bg);color:var(--v4-text)}.subMenuItem svg{width:18px;height:18px;stroke:var(--v4-text-2);stroke-width:2;stroke-linecap:round;stroke-linejoin:round;fill:none;transition:all .2s}.subMenuItem:has(input:checked),.subMenuItem:has(.pmCheck:not([style*=none])){background:var(--v4-bg);color:var(--v4-text);font-weight:600}.subMenuItem:has(input:checked) svg,.subMenuItem:has(.pmCheck:not([style*=none])) svg{stroke:var(--v4-text)}.pmCheck{margin-left:auto;color:var(--v4-text);font-size:14px;font-weight:700}.pm-group-title{font-size:11px;font-weight:600;color:var(--v4-text-3);padding:8px 12px 4px;letter-spacing:.5px}#langMenu{min-width:260px!important;padding:12px!important}#langMenu .subMenuItem{padding:12px 16px!important;gap:16px!important;margin-bottom:4px!important;border-radius:10px!important;font-size:15px!important;font-weight:500!important}#langMenu .subMenuItem svg{width:22px!important;height:22px!important;shape-rendering:geometricPrecision}#bookMenu .subMenuItem[data-cloze=off] svg{fill:none;stroke:var(--v4-text-2)}#bookMenu .subMenuItem:hover,#langMenu .subMenuItem:hover{background-color:var(--v4-bg)}#bookMenu .subMenuItem:has(.pmCheck:not([style*=none])),#langMenu .subMenuItem:has(.pmCheck:not([style*=none])){background-color:var(--v4-surface)!important;color:var(--v4-text)!important}#bookMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg,#langMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{fill:var(--v4-text-2)!important}#bookMenu .subMenuItem[data-cloze=off]:has(.pmCheck:not([style*=none])) svg{fill:none!important;stroke:var(--v4-text-2)!important}#bookMenu .pmCheck,#langMenu .pmCheck{color:var(--v4-text-2);font-size:14px;margin-left:auto;font-weight:700}#bookMenu{min-width:240px!important;padding:10px!important}#bookMenu .subMenuItem{padding:12px 14px!important;gap:14px!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:15px!important;font-weight:500!important;color:var(--v4-text);margin-bottom:4px!important}#bookMenu .subMenuItem svg{width:20px!important;height:20px!important}#playMenu{min-width:240px;padding:10px;background-color:var(--v4-white);border-radius:12px;box-shadow:0 4px 6px -1px #0000000d,0 10px 15px -3px #0000000d;border:1px solid rgba(0,0,0,.05);backdrop-filter:none}#playMenu .subMenuItem{display:flex;align-items:center;gap:14px!important;padding:12px 14px!important;border-radius:8px;margin-bottom:4px!important;font-family:-apple-system,BlinkMacSystemFont,sans-serif;font-size:15px!important;font-weight:500;color:var(--v4-text);background:transparent;border:none}#playMenu .subMenuItem svg{width:20px!important;height:20px!important;stroke:var(--v4-text-2);fill:none!important;transition:stroke .2s}#playMenu .subMenuItem:hover{background-color:var(--v4-bg)}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])){background-color:var(--v4-surface);color:var(--v4-text)}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{stroke:var(--v4-text-2);color:var(--v4-text-2)}#playMenu .pmCheck{color:var(--v4-text-2);font-size:14px;margin-left:auto;font-weight:700}.pm-group-title{padding:8px 14px 4px!important;font-size:11px;color:var(--v4-text-3)}.pm-setting-row{display:flex;align-items:center;justify-content:space-between;padding:8px 14px;margin-top:2px;user-select:none}.pm-setting-label{font-size:13px;color:var(--v4-text-2);font-weight:500}.pm-setting-select{border:1px solid var(--v4-line);border-radius:6px;padding:2px 20px 2px 6px;font-size:13px;color:var(--v4-text-2);background-color:var(--v4-bg);outline:none;cursor:pointer;transition:all .2s;-webkit-appearance:none;appearance:none;text-align:center;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 4px center}.pm-setting-select:hover{border-color:var(--v4-line);background-color:var(--v4-white)}.pm-toggle-switch{position:relative;display:inline-block;width:40px;height:22px}.pm-toggle-switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;inset:0;background-color:var(--v4-surface-alt);transition:.3s;border-radius:34px}.slider:before{position:absolute;content:"";height:18px;width:18px;left:2px;bottom:2px;background-color:var(--v4-white);transition:.3s cubic-bezier(.4,0,.2,1);border-radius:50%;box-shadow:0 2px 4px #0003}input:checked+.slider{background-color:#10b981}input:checked+.slider:before{transform:translate(18px)}#langMenu .subMenuItem svg{width:22px!important;height:22px!important;transition:all .2s;flex-shrink:0;fill:var(--v4-text-2)!important;stroke:none!important;shape-rendering:geometricPrecision}#langMenu .subMenuItem:hover svg,#langMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{fill:var(--v4-text)!important}#langMenu .subMenuItem[data-toggle=en] svg,#langMenu .subMenuItem[data-toggle=zh] svg,#langMenu .subMenuItem[data-toggle=ipa] svg{stroke-width:0!important}#bookMenu .subMenuItem[data-cloze=cloze_click] svg,#bookMenu .subMenuItem[data-cloze=cloze_type] svg{fill:var(--v4-text-2)!important;stroke:none!important;width:20px!important;height:20px!important;transition:all .2s;shape-rendering:geometricPrecision}#bookMenu .subMenuItem[data-cloze=cloze_click]:hover svg,#bookMenu .subMenuItem[data-cloze=cloze_type]:hover svg,#bookMenu .subMenuItem[data-cloze=cloze_click]:has(.pmCheck:not([style*=none])) svg,#bookMenu .subMenuItem[data-cloze=cloze_type]:has(.pmCheck:not([style*=none])) svg{fill:var(--v4-text)!important}#bookMenu .subMenuItem[data-cloze=cloze_type] svg{width:19px!important;height:19px!important}#bookMenu .subMenuItem[data-cloze=off] svg{fill:none!important;stroke:var(--v4-text-2)!important;stroke-width:2!important;width:20px!important;height:20px!important;transition:all .2s}#bookMenu .subMenuItem[data-cloze=off]:hover svg,#bookMenu .subMenuItem[data-cloze=off]:has(.pmCheck:not([style*=none])) svg{stroke:#ef4444!important}#langMenu .subMenuItem{color:var(--v4-text)}#langMenu .subMenuItem svg,#langMenu .subMenuItem svg path{fill:var(--v4-text)}#bookMenu .subMenuItem{color:var(--v4-text)}#bookMenu .subMenuItem[data-cloze=cloze_click] svg path,#bookMenu .subMenuItem[data-cloze=cloze_type] svg path{fill:var(--v4-text)}#bookMenu .subMenuItem[data-cloze=off] svg,#bookMenu .subMenuItem[data-cloze=off] svg line,#bookMenu .subMenuItem[data-cloze=off] svg path{stroke:var(--v4-text);fill:none}#bookMenu .subMenuItem[data-cloze=cloze_type]:has(.pmCheck:not([style*=none])) svg path{fill:var(--v4-text)}#bookMenu .subMenuItem[data-cloze=off]:has(.pmCheck:not([style*=none])) svg line{stroke:#ef4444}.exp-overlay{position:fixed;inset:0;background:#0f172a99;z-index:10000;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}.exp-box{width:800px;max-width:95vw;height:90vh;background:var(--v4-bg);border-radius:12px;box-shadow:0 20px 50px #0003;display:flex;flex-direction:column;overflow:hidden;animation:expFadeIn .2s ease-out}@keyframes expFadeIn{0%{opacity:0;transform:scale(.98)}to{opacity:1;transform:scale(1)}}.exp-header{padding:16px 24px;background:var(--v4-white);border-bottom:1px solid var(--v4-line);display:flex;justify-content:space-between;align-items:center}.exp-header-left{flex:1;display:flex;align-items:center}.exp-header-left h3{margin:0;font-size:20px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-weight:400;color:var(--v4-text-2)}.exp-tabs{flex:1;display:flex;justify-content:center;gap:8px}.exp-tab{padding:6px 16px;border:1px solid var(--v4-line);background:var(--v4-surface);border-radius:6px;cursor:pointer;font-size:13px;color:var(--v4-text-2);font-weight:500;transition:all .2s}.exp-tab:hover{background:var(--v4-surface-alt);color:var(--v4-text)}.exp-tab.active{background:#0ea5e9;color:#fff;border-color:#0ea5e9}.exp-header-right{flex:1;display:flex;justify-content:flex-end;gap:10px}.exp-header-right .btn{padding:6px 18px;font-size:13px;font-weight:600;border-radius:6px}.exp-body{flex:1;background:var(--v4-white);overflow-y:auto;padding:0}.exp-paper{background:var(--v4-white);width:100%;min-height:100%;padding:30px 60px 50px;box-shadow:none;border-radius:0;max-width:none;margin:0;box-sizing:border-box}.doc-title{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;letter-spacing:2px;text-align:center;font-size:24px;font-weight:600;color:#242323;margin-bottom:30px;border-bottom:1px solid var(--v4-line);padding-bottom:16px}.doc-item{display:flex;align-items:flex-start;margin-bottom:12px}.doc-num{width:36px;font-size:13px;font-weight:500;color:#111;margin-top:2px;flex-shrink:0}.doc-content{flex:1;border-bottom:1px dashed var(--v4-line);padding-bottom:12px}.doc-en{font-size:16px;font-weight:700;color:var(--v4-text);margin-bottom:4px;line-height:1.3}.doc-ipa{font-family:Lucida Sans Unicode,sans-serif;font-size:12px;color:var(--v4-text-2);margin-bottom:4px}.doc-zh{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:13px;color:var(--v4-text);line-height:1.4}.ts-wrap{position:relative!important;display:flex!important;flex-direction:row!important;align-items:center!important;flex:unset!important;width:100%!important;height:auto!important;margin-right:0!important;margin-bottom:4px}.ts-actions{display:inline-flex;align-items:center;margin-left:6px;gap:0;opacity:0;transition:opacity .15s ease;transform:translateY(-1px)}.line:hover .ts-actions,.line.active .ts-actions{opacity:1}.ts-btn{cursor:pointer;display:flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:4px;transition:opacity .2s ease,color .2s ease;color:var(--v4-text-3);background:transparent!important;box-shadow:none!important;border:none!important;outline:none!important;-webkit-tap-highlight-color:transparent!important;user-select:none}.ts-btn:hover,.ts-btn:active,.ts-btn:focus,.ts-btn.is-active,.ts-btn.is-active:hover{background:transparent!important;outline:none!important;box-shadow:none!important}.ts-btn:hover{color:var(--v4-text-2)}.ts-btn.is-active{color:#f1494f!important;opacity:1!important}.ts-btn.is-active:hover{color:#d9343a!important;background:transparent!important}.ts-btn svg{width:15px!important;height:15px!important;display:block;fill:currentColor;transform:none!important}.btn-fav svg{width:17px!important;height:17px!important;position:relative;top:.5px}.btn-fav svg{width:17px!important;height:17px!important;position:relative;top:0}.loop-hint{position:static!important;display:none;margin-left:8px;color:#10b981;align-items:center}.line.active.is-looping .loop-hint{display:inline-flex!important}.line.active.is-looping{border:none!important;background:#ffffff61!important;box-shadow:0 2px 8px #0f172a1f!important;border-radius:8px;transition:background-color .2s ease,box-shadow .2s ease}.line.active.is-looping.is-playing{background:#ffffff75!important;border:none!important;animation:loopBreathingGlow 2s ease-in-out infinite!important}@keyframes loopBreathingGlow{0%{box-shadow:0 2px 8px #0f172a1f}50%{box-shadow:0 5px 14px #0f172a33}to{box-shadow:0 2px 8px #0f172a1f}}.line.active.is-looping:before{display:none!important}.videoBox{position:relative;background:transparent;border-radius:0;overflow:visible;margin:-4px 16px 0;z-index:20}#video::-webkit-media-controls{display:none!important}#video{outline:none;border-radius:0;width:100%;display:block}.v-controls{position:absolute;bottom:0;left:0;right:0;height:64px;background:linear-gradient(to top,rgba(0,0,0,.85),transparent);display:flex;align-items:center;padding:0 16px;gap:10px;opacity:0;transition:opacity .3s ease;z-index:20}.videoBox:hover .v-controls{opacity:1}.v-btn{background:none;border:none;color:#fff;cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;width:42px;height:42px;opacity:.9;transition:opacity .2s;flex-shrink:0}.v-btn:hover{opacity:1}.v-btn svg{width:26px;height:26px;fill:currentColor;filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}#vBtnPrev{margin-right:-4px}#vBtnNext{margin-left:-4px;margin-right:8px}.v-progress-wrap{flex:1;height:100%;display:flex;align-items:center;cursor:pointer;margin:0 6px;position:relative;z-index:30}.v-progress-bg{width:100%;height:8px;background:#ffffff40;border-radius:6px;position:relative;overflow:hidden;transition:height .1s ease}.v-progress-fill{position:absolute;left:0;top:0;bottom:0;width:0%;background-color:var(--v4-text)!important;border-radius:100px!important;z-index:2}.v-progress-thumb{position:absolute;top:50%;left:0%;margin-top:0;width:18px;height:18px;background:#fff;border-radius:50%;box-shadow:0 3px 8px #0009;transform:translate(-50%,-50%) scale(0);transition:transform .15s cubic-bezier(.4,0,.2,1);z-index:30;pointer-events:none}.v-progress-wrap:hover .v-progress-bg{height:12px;background:#fff6}.v-progress-wrap:hover .v-progress-thumb{transform:translate(-50%,-50%) scale(1)}.v-progress-wrap:active .v-progress-thumb{transform:translate(-50%,-50%) scale(1.2)}.ab-pin{position:absolute;top:50%;transform:translateY(-50%);width:3px;height:14px;border-radius:1px;z-index:15;pointer-events:none}.ab-pin-a{background:#22c55e}.ab-pin-b{background:#f97316}.ab-pin-lbl{position:absolute;top:-15px;left:50%;transform:translate(-50%);font-size:9px;font-weight:700;color:#fff;background:inherit;padding:1px 3px;border-radius:2px;white-space:nowrap}.v-ab-btns{display:flex;align-items:center;gap:4px;margin:0 6px;flex-shrink:0}.v-ab-btn{height:24px;min-width:26px;padding:0 3px;border:1px solid rgba(255,255,255,.3);border-radius:4px;background:#ffffff14;color:#ffffffbf;font-size:11px;font-weight:700;cursor:pointer;line-height:1;transition:background .15s}.v-ab-btn:hover{background:#ffffff38}.v-ab-btn.ab-active-a{border-color:#22c55e;color:#22c55e}.v-ab-btn.ab-active-b{border-color:#f97316;color:#f97316}.v-ab-btn-clr{color:#f87171}.v-speed-box{position:relative;display:flex;align-items:center;margin-right:8px;height:100%}.v-speed-btn{display:flex;align-items:center;justify-content:center;height:24px;padding:0 6px 0 10px;min-width:54px;width:auto;border:1px solid rgba(255,255,255,.6);border-radius:100px;background:#0003;font-size:12px;color:#fff;font-weight:500;cursor:pointer;transition:all .2s}.v-speed-btn:after{content:"";display:block;width:0;height:0;margin-left:6px;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid #fff;opacity:.9;transform:translateY(1px)}.v-speed-btn:hover{background:#fff;border-color:#fff;color:var(--v4-text)}.v-speed-btn:hover:after{border-top-color:var(--v4-text)}.v-speed-menu{display:none;grid-template-columns:repeat(3,1fr);gap:8px;position:absolute;bottom:55px;left:50%;transform:translate(-50%);top:auto;background:var(--v4-white);padding:10px;border-radius:6px;box-shadow:0 5px 20px #00000026,0 0 0 1px #0000000d;width:max-content;min-width:170px;z-index:var(--z-dropdown, 10000)}.v-speed-menu.show,.v-speed-box:hover .v-speed-menu{display:grid}.v-speed-opt{display:flex;align-items:center;justify-content:center;padding:6px 0;font-family:Plus Jakarta Sans,ui-monospace,sans-serif;font-size:13px;font-weight:500;color:var(--v4-text);background:var(--v4-bg);border-radius:4px;cursor:pointer;transition:all .1s ease;white-space:nowrap}.v-speed-opt:hover{background:var(--v4-surface-alt);color:var(--v4-text)}.v-speed-opt.active{background:var(--v4-text);color:var(--v4-bg);font-weight:600}#vBtnPrev svg,#vBtnNext svg,#iconPause{width:24px!important;height:24px!important}#iconPlay{width:20px!important;height:20px!important}.v-time{font-size:12px;color:#fff;font-weight:500;text-align:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;margin:0 8px 0 4px;text-shadow:0 1px 2px rgba(0,0,0,.5);white-space:nowrap}#vBtnPrev svg,#vBtnNext svg{width:24px!important;height:24px!important}.v-info-box{margin-left:-22px!important;margin-right:-22px!important;margin-bottom:-18px!important;width:calc(100% + 44px)!important;padding:22px 22px 30px!important;background-color:var(--bg);border-bottom-left-radius:16px!important;border-bottom-right-radius:16px!important;border-top:none!important;position:relative;z-index:5}.v-info-meta{display:flex;align-items:center;gap:20px;border-bottom:1px solid rgba(15,23,42,.08)!important;padding-bottom:16px!important;margin-bottom:20px!important;padding-left:0!important}.v-meta-item{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--v4-text-3);font-family:inherit!important;font-weight:500}.v-meta-item svg{opacity:.8;position:relative;top:-1px}.v-info-body h4{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:20px!important;font-weight:700!important;color:var(--v4-text)!important;margin:0 0 6px!important;letter-spacing:.5px!important}.v-info-body p{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:13px!important;line-height:2!important;color:var(--v4-text-2)!important;font-weight:400!important;margin:0!important;padding:0!important;text-indent:0!important;text-align:left!important;outline:none!important}.study-section{margin-top:16px;background:var(--v4-white);border:none;border-radius:12px;box-shadow:none;padding:0;overflow:visible}.st-header{margin-bottom:20px;border-bottom:1px solid var(--v4-line-light);padding-bottom:16px}.st-title-row{margin-bottom:16px}.st-title-row h3{margin:0;font-size:26px;font-weight:800;color:var(--v4-text);display:flex;align-items:center;gap:8px}.st-title-row h3 svg{width:32px;height:32px;min-width:32px}.st-segment-bar{margin-bottom:16px}.st-tabs{display:inline-flex;background:var(--v4-surface);border:none;box-shadow:var(--v4-shadow-in);padding:5px;border-radius:6px;position:relative}.st-tab{position:relative;border:none;background:none;box-shadow:none;padding:10px 18px;min-height:38px;border-radius:6px;font-size:13px;line-height:1.2;font-weight:500;color:var(--v4-text-3);cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);white-space:nowrap;user-select:none}.st-tab:hover{color:var(--v4-text-2)}.st-tab.active{background:var(--v4-surface);color:var(--v4-text);box-shadow:var(--v4-shadow-btn);font-weight:600}.st-tab .badge{display:inline-block;height:auto;min-width:18px;padding:0 6px;font-size:10px;line-height:1.1;text-align:center;font-weight:700;background:#0000000d;color:var(--v4-text-3);border-radius:8px;margin-left:6px;vertical-align:middle;position:relative;top:0;transition:all .2s}.st-tab.active .badge{background:#00000014;color:var(--v4-text)}.st-controls{display:flex;justify-content:space-between;align-items:center;flex-wrap:nowrap;gap:5px;margin-top:6px}.filter-label{font-size:12px;color:var(--v4-text-3);margin-right:4px;font-weight:500}.st-filters{display:flex;align-items:center;gap:4px;flex:1;min-width:0}.st-toggles{display:flex;align-items:center;gap:6px;flex-shrink:0;margin-left:auto}.st-toggle-btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:4px 8px;border-radius:6px;border:none;background:var(--v4-bg);box-shadow:2px 2px 6px #a3b1c638,-2px -2px 6px #ffffffbf;cursor:pointer;user-select:none;transition:box-shadow .2s ease,border-color .2s ease,transform .15s ease}.st-toggle-btn:hover{box-shadow:3px 3px 8px #a3b1c63d,-3px -3px 8px #ffffffd1}.st-toggle-btn:active{transform:translateY(1px)}.st-toggle-btn input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.st-ios-switch{position:relative;width:30px;height:18px;border-radius:999px;background-color:#cbd5e1;box-shadow:inset 2px 2px 5px #a3b1c659,inset -2px -2px 5px #ffffffbf;flex-shrink:0;transition:background-color .2s ease,box-shadow .2s ease}.st-ios-switch:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background-color:#fff;box-shadow:0 1px 3px #00000029;transition:transform .2s cubic-bezier(.4,0,.2,1)}.st-toggle-label{font-size:11px;font-weight:700;letter-spacing:1.6px;color:var(--v4-text-2);line-height:1}.st-toggle-btn input:checked+.st-ios-switch{background-color:#a7e47f}.st-toggle-btn input:checked+.st-ios-switch:after{transform:translate(12px)}.st-toggle-btn input:checked+.st-ios-switch+.st-toggle-label{color:var(--v4-text)}.st-pill{border:1px solid transparent;background:transparent;color:var(--v4-text-2);padding:4px 10px;border-radius:6px;font-size:12px;cursor:pointer;transition:all .2s;font-weight:500}.st-pill:hover{background:var(--v4-bg);color:var(--v4-text-2)}.st-pill.active{background:var(--v4-bg);color:var(--v4-text);font-weight:700}.st-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px}.st-card{border:none;border-radius:6px;padding:18px;background:var(--v4-bg);box-shadow:0 2px 10px #a3b1c638;transition:box-shadow .25s,transform .2s;display:flex;flex-direction:column;position:relative;overflow:hidden}.st-card:hover{transform:translateY(-3px);box-shadow:0 6px 18px #a3b1c652}.st-c-head{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:6px}.st-word{font-size:18px;font-weight:700;color:var(--v4-text);line-height:1.2}.st-status-btn{font-size:11px;padding:2px 6px;border-radius:4px;cursor:pointer;border:1px solid;margin-left:4px}.st-status-btn.know{color:#10b981;border-color:#10b981;background:transparent}.st-status-btn.unknow{color:#ef4444;border-color:#ef4444;background:transparent}.st-status-btn:hover{opacity:.8}.st-ipa-box{display:flex;align-items:center;gap:8px;margin-bottom:12px}.st-ipa{font-family:Lucida Sans Unicode,sans-serif;font-size:13px;color:var(--v4-text-3)}.st-speaker{cursor:pointer;color:var(--v4-text-3);display:flex;align-items:center}.st-speaker:hover{color:var(--v4-text)}.st-speaker svg{width:14px;height:14px}.st-mean-box{margin-bottom:12px;min-height:40px}.st-mean-zh{font-size:15px;font-weight:600;color:var(--v4-text);margin-bottom:2px}.st-mean-en{font-size:12px;color:var(--v4-text-3)}.st-ex-box{background:var(--v4-bg);border-left:2px solid var(--v4-text-3);padding:10px 12px;border-radius:0 8px 8px 0;margin-bottom:12px;flex:1}.st-ex-en{font-size:13px;font-style:italic;color:var(--v4-text-2);margin-bottom:4px;line-height:1.4}.st-ex-zh{font-size:12px;color:var(--v4-text-3)}.st-c-foot{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:10px;border-top:1px solid var(--v4-line-light)}.st-jump-btn{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--v4-text-2);background:transparent;border:1px solid var(--v4-line);padding:4px 10px;border-radius:100px;cursor:pointer;font-weight:500;transition:all .2s}.st-jump-btn:hover{background:var(--v4-surface);color:var(--v4-text);border-color:var(--v4-line)}.st-jump-btn svg{width:12px;height:12px}.st-view-icon{color:var(--v4-text-3)}.wc-rich-editor{min-height:200px;max-height:60vh;overflow-y:auto;padding:12px;border:1px solid var(--v4-line);border-radius:8px;background:var(--v4-bg);font-size:14px;line-height:1.7;color:var(--v4-text-2);outline:none;white-space:pre-wrap}.wc-rich-editor:focus{background:var(--v4-white);border-color:var(--v4-text-2);box-shadow:0 0 0 3px #3b82f61a}.float-toolbar{position:fixed;z-index:10000;display:flex;align-items:center;gap:4px;background:var(--v4-text);padding:6px;border-radius:6px;box-shadow:0 4px 12px #00000026;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .2s,transform .2s}.ft-btn{background:transparent;border:none;color:#fff;padding:4px 6px;border-radius:4px;cursor:pointer;font-size:14px;font-weight:600;display:flex;align-items:center;justify-content:center}.ft-btn:hover{background:#fff3}.ft-btn.active{background:var(--v4-text);color:#fff}.ft-divider{width:1px;height:16px;background:#fff3;margin:0 4px}.wc-rich-editor span[style*=background-color]{border-radius:2px;padding:0 2px}.subsBox.hide-hl-style .hl:before,.subsBox.hide-hl-style .hl:after{opacity:0!important;transition:opacity .2s}.subsBox.hide-hl-style .hl-cloze{background-color:transparent!important;color:inherit!important}.subsBox.hide-hl-style .hl-input{background-color:transparent!important;border:none!important;border-bottom:1px solid #ccc!important;border-radius:0!important;box-shadow:none!important}.back-nav-wrap{position:fixed;top:24px;left:24px;z-index:999}.back-nav-btn{display:flex;align-items:center;gap:8px;padding:10px 18px;height:42px;background:#ffffffe6;backdrop-filter:blur(8px);border:1px solid rgba(15,23,42,.08);border-radius:99px;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -1px #00000008;color:var(--v4-text-2);font-size:14px;font-weight:600;font-family:inherit;cursor:pointer;outline:none;transition:all .2s cubic-bezier(.4,0,.2,1);user-select:none}.back-nav-btn svg{width:16px;height:16px;transition:transform .2s ease}.back-nav-btn:hover{background:var(--v4-white);color:var(--v4-text);border-color:#2563eb33;box-shadow:0 10px 15px -3px #2563eb1a,0 4px 6px -2px #2563eb0d;transform:translateY(-2px)}.back-nav-btn:hover svg{transform:translate(-3px)}.back-nav-btn:active{transform:translateY(0);box-shadow:0 2px 4px #0000000d;background:var(--v4-bg)}@media(max-width:768px){.back-nav-wrap{top:16px;left:16px}.back-nav-btn{padding:8px 14px;height:36px;font-size:13px}}.note-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:8px}.note-btn{padding:5px 12px;border-radius:6px;font-size:12px;cursor:pointer;border:1px solid transparent;transition:all .2s;font-weight:500}.note-btn.cancel{background:var(--v4-bg);color:var(--v4-text-2);border-color:var(--v4-line)}[data-theme=dark]:root,[data-theme=dark] :root{--bg: var(--color-bg, #0f172a);--card: var(--color-surface, #1e293b);--text: var(--color-text, #f1f5f9);--muted: var(--color-text-muted-alpha-dark, rgba(241,245,249,.5));--border: var(--color-border-solid, rgba(241,245,249,.12));--chip: var(--color-chip-dark, rgba(241,245,249,.08));--shadow: var(--shadow-soft-dark, 0 8px 26px rgba(0,0,0,.35));--activeBg: var(--color-success-soft, #1e3a2f);--activeBorder: var(--color-success, #22c55e);--primary: var(--color-primary, #3b82f6);--v4-bg: var(--color-bg, #0f172a);--v4-white: var(--color-surface, #1e293b);--v4-surface: var(--color-surface-muted, #263349);--v4-surface-alt: var(--color-surface-raised-hover, #334155);--v4-text: var(--color-text, #f1f5f9);--v4-text-2: var(--color-text-muted, #94a3b8);--v4-text-3: var(--color-text-subtle, #64748b);--v4-line: var(--color-border-solid, rgba(241,245,249,.12));--v4-line-light: var(--color-border-light, rgba(241,245,249,.06));--v4-shadow-out: var(--shadow-raised-lg, 6px 6px 12px rgba(0,0,0,.4), -3px -3px 8px rgba(255,255,255,.04));--v4-shadow-out-sm: var(--shadow-raised-sm, 3px 3px 7px rgba(0,0,0,.35), -2px -2px 5px rgba(255,255,255,.03));--v4-shadow-in: var(--shadow-inset-md, inset 2px 2px 5px rgba(0,0,0,.35), inset -2px -2px 5px rgba(255,255,255,.03));--v4-shadow-btn: var(--shadow-raised-md, 4px 4px 8px rgba(0,0,0,.4), -2px -2px 5px rgba(255,255,255,.04));--v4-shadow-btn-hover: var(--shadow-raised-sm, 2px 2px 4px rgba(0,0,0,.3), -1px -1px 3px rgba(255,255,255,.03))}[data-theme=dark] .site-header{background:var(--v4-bg);border-bottom-color:var(--v4-line);box-shadow:0 4px 12px #0006,0 -1px 4px #ffffff05}[data-theme=dark] .videoActions{background:var(--v4-surface);border-color:var(--v4-line)}[data-theme=dark] .panel-hd{background:var(--v4-white);border-bottom-color:var(--v4-line)}[data-theme=dark] .videoTitleBar{background:transparent;border-bottom:none}[data-theme=dark] .videoTitleMain{color:var(--v4-text)}[data-theme=dark] .videoTitleMeta{color:#f1f5f980}[data-theme=dark] .line{background:transparent;box-shadow:none}[data-theme=dark] .btn{background:var(--v4-surface);border-color:var(--v4-line);color:var(--v4-text)}[data-theme=dark] .btn:hover{background:var(--v4-surface-alt)}[data-theme=dark] .btn.danger:hover{background:#ef444426;color:#fca5a5}[data-theme=dark] .iconBtn{background:var(--v4-surface);border-color:var(--v4-line)}[data-theme=dark] .iconBtn:hover{background:var(--v4-surface-alt)}[data-theme=dark] .iconBtn svg [fill]:not([fill=none]){fill:var(--v4-text-2)!important;transition:fill .2s ease}[data-theme=dark] .iconBtn svg [stroke]:not([stroke=none]){stroke:var(--v4-text-2)!important;transition:stroke .2s ease}[data-theme=dark] .iconBtn.active svg [fill]:not([fill=none]){fill:var(--v4-text)!important}[data-theme=dark] .iconBtn.active svg [stroke]:not([stroke=none]){stroke:var(--v4-text)!important}[data-theme=dark] .subMenu{background:#162032fa;border-color:#f1f5f91a}[data-theme=dark] .subMenuItem:hover{background:#f1f5f90f}[data-theme=dark] .nav-dropdown-box{background:#1e293bf7;border-color:var(--v4-line)}[data-theme=dark] .nd-header{background:var(--v4-white);border-bottom-color:var(--v4-line)}[data-theme=dark] .nd-body{background:var(--v4-bg)}[data-theme=dark] .nav-dropdown-box .nm-item{color:var(--v4-text)!important}[data-theme=dark] .nav-dropdown-box .nm-item:hover{background:var(--v4-surface)}[data-theme=dark] .nav-dropdown-box .nm-item.active{background:var(--v4-surface-alt);color:var(--v4-text)!important}[data-theme=dark] .wordcard{background:var(--v4-white);border-color:var(--v4-line)}[data-theme=dark] .wc-word{color:var(--v4-text)}[data-theme=dark] .hl,[data-theme=dark] .hl.bg-green{background-color:#14532d!important;color:#86efac!important}[data-theme=dark] .hl.bg-yellow{background-color:#78350f!important;color:#fcd34d!important}[data-theme=dark] .hl.bg-red{background-color:#7f1d1d!important;color:#fca5a5!important}[data-theme=dark] .hl.bg-blue{background-color:#1e3a5f!important;color:var(--v4-text-3)!important}[data-theme=dark] .hl.bg-purple{background-color:#3b0764!important;color:#d8b4fe!important}[data-theme=dark] .hc-0{background-color:#14532d!important;color:#86efac!important}[data-theme=dark] .hc-1{background-color:#1e3a5f!important;color:#93c5fd!important}[data-theme=dark] .hc-2{background-color:#3b0764!important;color:#d8b4fe!important}[data-theme=dark] .hc-3{background-color:#7c2d12!important;color:#fdba74!important}[data-theme=dark] .rb-modal-box{background:var(--v4-text);border-color:#f1f5f91a}#btnDarkToggle{background:none;border:none;cursor:pointer;font-size:16px;padding:4px 8px;border-radius:6px;color:var(--text);line-height:1;transition:background .2s}#btnDarkToggle:hover{background:var(--chip)}[data-theme=dark] .study-section{background:var(--v4-bg);border:none;box-shadow:none}[data-theme=dark] .main-tab-header{background:var(--v4-bg);border-bottom-color:var(--v4-line)}[data-theme=dark] .main-tab-header:after{box-shadow:0 -6px 12px #00000052}[data-theme=dark] .main-tab-item{color:var(--v4-text-3);background:transparent;box-shadow:none;border-color:transparent;border-top-color:transparent}[data-theme=dark] .main-tab-item:hover{color:var(--v4-text-2)}[data-theme=dark] .main-tab-item.active{color:var(--v4-text);background:transparent;box-shadow:none;border-color:transparent;border-radius:0;transform:none}[data-theme=dark] .main-tab-item.active:before{display:none}[data-theme=dark] .main-tab-item.active:after{background:#94a3b8ad}[data-theme=dark] #panel-study,[data-theme=dark] #panel-flashcard{background:var(--v4-bg)}[data-theme=dark] .flashcard-section{background:var(--v4-white)!important;border-color:#f1f5f914!important}[data-theme=dark] .fc-title h3{color:var(--v4-surface)!important}[data-theme=dark] .fc-progress{background:var(--v4-surface-alt)!important;color:var(--v4-text-3)!important}[data-theme=dark] .fc-word-front{color:var(--v4-surface)!important}[data-theme=dark] .fc-speaker-btn{background:var(--v4-surface-alt)!important;color:var(--v4-text-3)!important}[data-theme=dark] .fc-speaker-btn:hover{background:#1e3a5f!important;color:var(--v4-text-3)!important}[data-theme=dark] .fc-back-top{border-bottom-color:#f1f5f914!important}[data-theme=dark] .fc-word-back{color:var(--v4-surface)!important}[data-theme=dark] .fc-ipa-back{color:#7aa8d4!important}[data-theme=dark] .fc-zh-back{color:var(--v4-line)!important}[data-theme=dark] .fc-ex-box{background:#3b82f61a!important}[data-theme=dark] .fc-ex-en{color:var(--v4-line)!important}[data-theme=dark] .fc-ex-zh{color:#cbd5e1d9!important}[data-theme=dark] #fcControlsNormal .fc-btn{background:var(--v4-surface-alt)!important;color:var(--v4-line)!important}[data-theme=dark] #fcControlsNormal .fc-btn:hover{background:var(--v4-text-2)!important;color:var(--v4-surface)!important}[data-theme=dark] .fc-btn-danger{background:#7f1d1d!important;color:#fca5a5!important}[data-theme=dark] .fc-btn-success{background:#14532d!important;color:#86efac!important}[data-theme=dark] .fc-spell-zh{color:var(--v4-line)!important}[data-theme=dark] .fc-spell-input{background:var(--v4-text)!important;border-color:#f1f5f926!important;color:var(--v4-surface)!important}[data-theme=dark] .fc-spell-input:focus{border-color:var(--v4-text-2)!important;background:var(--v4-text)!important}[data-theme=dark] .fc-spell-input.is-near{background:#1c1405!important;border-color:#f59e0b!important;color:#fcd34d!important}[data-theme=dark] .fc-spell-near-hint{color:#fbbf24!important}[data-theme=dark] .fc-skip-btn{color:var(--v4-text-2)!important;border-color:var(--v4-surface-alt)!important}[data-theme=dark] .fc-skip-btn:hover{background:var(--v4-white)!important;color:var(--v4-text-3)!important;border-color:var(--v4-text-2)!important}[data-theme=dark] .fc-done-stats{color:#94a3b8d9!important}[data-theme=dark] .fc-limit-select{background:var(--v4-white)!important;color:var(--v4-text-3)!important;border-color:var(--v4-surface-alt)!important}[data-theme=dark] .wc-rich-editor{background:var(--v4-bg);border-color:var(--v4-line);color:var(--v4-text)}[data-theme=dark] .wc-rich-editor:focus{background:var(--v4-bg);border-color:var(--v4-text-2)}[data-theme=dark] .layout>.panel:first-child{background:var(--v4-bg)!important}[data-theme=dark] .layout>.panel:last-child{background:var(--v4-bg)!important;border-left:0!important}[data-theme=dark] .panel-hd{background:var(--v4-white)}[data-theme=dark] .subsBox{background:var(--v4-bg)}[data-theme=dark] .layout>.panel:last-child .panel-hd{background:var(--v4-white)}[data-theme=dark] .layout>.panel:last-child .subsBox{background:var(--v4-bg)!important}[data-theme=dark] .layout>.panel:last-child .subsBox .line{background:transparent!important}[data-theme=dark] .layout>.panel:last-child .subsBox .line:hover{background:#94a3b81f!important}[data-theme=dark] .layout>.panel:last-child .subsBox .line.active{background:#fff3!important;box-shadow:0 4px 12px #02061759!important;border-radius:8px!important}[data-theme=dark] .layout>.panel:last-child .subsBox .line+.line:after{background:#94a3b829}[data-theme=dark] .v-info-box{background:var(--v4-white);border-top-color:var(--v4-line)}[data-theme=dark] .v-info-meta{border-bottom-color:var(--v4-line)}[data-theme=dark] .v-meta-item{color:var(--v4-text-3)}[data-theme=dark] .v-info-body h4{color:var(--v4-text)}[data-theme=dark] .v-info-body p{color:var(--v4-text-2)}[data-theme=dark] .user-note-box.editing .note-editable{background-color:#263349!important;border-color:#f1f5f926!important;color:var(--v4-surface)!important}[data-theme=dark] .user-note-box.editing .note-editable:focus{border-color:var(--v4-text-2)!important}[data-theme=dark] .note-btn.cancel{background:var(--v4-surface-alt)!important;color:var(--v4-text-3)!important}[data-theme=dark] .nav-label{color:inherit}[data-theme=dark] .nav-icon,[data-theme=dark] .nav-btn{background:var(--v4-bg);color:#64748b;box-shadow:2px 2px 6px #00000040,-1px -1px 4px #ffffff08}[data-theme=dark] .nav-icon:hover,[data-theme=dark] .nav-btn:hover{color:#f1f5f9;box-shadow:3px 3px 8px #00000059,-1px -1px 4px #ffffff08}[data-theme=dark] .nav-icon:active,[data-theme=dark] .nav-btn:active{box-shadow:inset 3px 3px 8px #0006,inset -1px -1px 3px #ffffff05}[data-theme=dark] .nav-btn.accent{color:#f87171}[data-theme=dark] .nav-avatar{background:var(--v4-bg);box-shadow:2px 2px 6px #00000040,-1px -1px 4px #ffffff08}[data-theme=dark] .ts,[data-theme=dark] .line.active .ts{color:var(--v4-text-3)}[data-theme=dark] .en{color:var(--v4-text)}[data-theme=dark] .zh{color:var(--v4-text-2)}[data-theme=dark] .ipa{color:var(--v4-text-3)}[data-theme=dark] .note-editable{color:var(--v4-text)}[data-theme=dark] .user-note-box:not(.editing){color:var(--v4-text-2)}[data-theme=dark] .note-btn.save{background:var(--v4-text);border-color:var(--v4-text);color:#fff}[data-theme=dark] .st-header{border-bottom-color:var(--v4-line-light)}[data-theme=dark] .st-card{background:var(--v4-bg);box-shadow:var(--v4-shadow-out-sm)}[data-theme=dark] .st-title-row h3,[data-theme=dark] .st-mean-zh{color:var(--v4-text)}[data-theme=dark] .st-mean-en{color:var(--v4-text-3)}[data-theme=dark] .st-ex-en{color:var(--v4-text-2)}[data-theme=dark] .st-ex-zh{color:var(--v4-text-3)}[data-theme=dark] .st-c-foot{border-top-color:var(--v4-line-light)}[data-theme=dark] #studyTabs{background-color:transparent!important;border:none!important}[data-theme=dark] #studyTabs .st-tab{background-color:transparent;color:var(--v4-text-3);box-shadow:none}[data-theme=dark] #studyTabs .st-tab:hover{background-color:transparent;color:var(--v4-text-2)}[data-theme=dark] #studyTabs .st-tab.active{background-color:var(--v4-surface);color:var(--v4-text);box-shadow:var(--v4-shadow-btn)}[data-theme=dark] #studyTabs .st-tab .badge{background-color:#ffffff1a;color:var(--v4-text-3)}[data-theme=dark] #studyTabs .st-tab[data-tab=fav]{background-color:#f59e0b26!important;color:#fcd34d!important}[data-theme=dark] #studyTabs .st-tab[data-tab=fav].active{background-color:#f59e0b!important;color:var(--v4-bg)!important}[data-theme=dark] .st-tab-dropdown{background-color:var(--v4-text)!important;border:1px solid rgba(255,255,255,.1)!important;box-shadow:0 10px 25px #00000080!important}[data-theme=dark] .st-drop-item{color:var(--v4-line)!important}[data-theme=dark] .st-drop-item:hover{background-color:var(--v4-surface-alt)!important;color:var(--v4-surface)!important}[data-theme=dark] .st-drop-item.selected{background-color:#3b82f633!important;color:var(--v4-text-3)!important}[data-theme=dark] .st-drop-item .st-drop-badge{background-color:#ffffff1a!important;color:var(--v4-line)!important}[data-theme=dark] .st-toggle-btn{background:var(--v4-white)!important;border:none!important;box-shadow:2px 2px 8px #0000004d,-1px -1px 3px #ffffff0a!important}[data-theme=dark] .st-toggle-label{color:var(--v4-text-3)!important}[data-theme=dark] .st-toggle-btn:hover .st-toggle-label{color:var(--v4-surface)!important}[data-theme=dark] .st-ios-switch{background-color:#94a3b847!important;box-shadow:inset 2px 2px 5px #00000059,inset -1px -1px 3px #ffffff0d!important}[data-theme=dark] .st-ios-switch:after{background-color:#e2e8f0!important}[data-theme=dark] .st-toggle-btn input:checked+.st-ios-switch{background-color:#84cc16!important}[data-theme=dark] .st-toggle-btn input:checked+.st-ios-switch:after{background-color:#fff!important}[data-theme=dark] .st-pill{color:var(--v4-text-3)}[data-theme=dark] .st-pill:hover{background:#f1f5f90f;color:var(--v4-line)}[data-theme=dark] .st-pill.active{background:var(--v4-text);border-color:var(--v4-text);color:#fff}[data-theme=dark] .filter-label{color:#f1f5f966}[data-theme=dark] #studyGrid>div,[data-theme=dark] #studyGrid .st-card.force-popup,[data-theme=dark] #studyGrid .st-card[data-color-key]{border-color:transparent!important;box-shadow:0 2px 8px #00000024!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key]{background-color:var(--v4-surface)!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-green]{background:linear-gradient(145deg,#a7f3d024,#10b98114)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-blue]{background:linear-gradient(145deg,#bfdbfe26,#3b82f614)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-red]{background:linear-gradient(145deg,#fecaca21,#ef444412)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-yellow]{background:linear-gradient(145deg,#fef08a26,#f59e0b14)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-purple]{background:linear-gradient(145deg,#ddd6fe26,#a855f714)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-teal]{background:linear-gradient(145deg,#99f6e424,#14b8a614)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card.vc-style[data-color-key=bg-orange]{background:linear-gradient(145deg,#fed7aa24,#f9731614)!important;border-color:transparent!important}[data-theme=dark] #studyGrid .st-card:hover{box-shadow:var(--v4-shadow-out)!important;filter:none!important}[data-theme=dark] .st-card.fav-sent-style{background-color:var(--v4-text)!important;border-color:#ffffff14!important}[data-theme=dark] .st-card.fav-sent-style>div:first-child{background-color:transparent!important;border-bottom-color:#ffffff0f!important}[data-theme=dark] .st-card.fav-sent-style>div:first-child span{color:var(--v4-surface)!important}[data-theme=dark] .st-card.fav-sent-style>div:nth-child(2)>div:first-child>div:first-child{color:var(--v4-bg)!important}[data-theme=dark] .st-card.fav-sent-style>div:nth-child(2)>div:first-child{background-color:#0003!important;border-left-color:#d97706cc!important}[data-theme=dark] #studyGrid .vc-lnk-btn{background-color:#0003!important;border:1px solid rgba(255,255,255,.06)!important;color:#fff9!important}[data-theme=dark] #studyGrid .vc-lnk-btn:hover{background-color:#ffffff1f!important;color:#fff!important}[data-theme=dark] #studyGrid .vc-word{color:var(--v4-text)!important;text-shadow:none!important}[data-theme=dark] #studyGrid .vc-header{border-bottom-color:#ffffff12!important}[data-theme=dark] #studyGrid .vc-ipa{background:transparent!important;color:#fff9!important}[data-theme=dark] #studyGrid .vc-region{color:#fff9!important}[data-theme=dark] #studyGrid .vc-speaker{background:transparent!important;color:#fff9!important}[data-theme=dark] #studyGrid .vc-speaker:hover{color:var(--v4-text-3)!important}[data-theme=dark] #studyGrid .vc-tag-pill{background:#ffffff12!important;border-color:#ffffff24!important;color:#c8d7e6cc!important}[data-theme=dark] #studyGrid .vc-def-zh{color:var(--v4-text)!important}[data-theme=dark] #studyGrid .vc-def-en{color:#d2deeab3!important;border-bottom-color:#ffffff12!important;opacity:1!important}[data-theme=dark] #studyGrid .vc-syn-box{color:#b4dcc8d9!important;background-color:#0003!important}[data-theme=dark] #studyGrid .vc-ex-box{background:#00000038!important;border:none!important}[data-theme=dark] #studyGrid .vc-ex-en{color:#d7e4f0e0!important}[data-theme=dark] #studyGrid .vc-ex-zh{color:#c8daead1!important}[data-theme=dark] #studyGrid .vc-stat-btn{background:transparent!important;color:#cddcead9!important;border-color:#fff3!important}[data-theme=dark] #studyGrid .vc-stat-btn:hover{background:#ffffff1a!important;color:var(--v4-text)!important}[data-theme=dark] #studyGrid .vc-lnk-btn{color:#bed2e6b3!important}[data-theme=dark] #studyGrid .vc-footer{background:#00000026!important;border-top-color:#ffffff12!important}[data-theme=dark] #studyGrid .v2-collapse-trigger{color:#b9cddea6!important}[data-theme=dark] #studyGrid .v2-collapse-trigger:hover{color:#d2e4f4e6!important}[data-theme=dark] #studyGrid .v2-custom-arrow{color:#b9cdde8c!important}[data-theme=dark] .v2-group-card{background:#101826f7!important;border-color:#ffffff14!important;box-shadow:0 2px 8px #00000052!important}[data-theme=dark] .v2-group-hd{background:transparent!important}[data-theme=dark] .v2-group-label{color:#e0e8f2!important;text-shadow:none!important}[data-theme=dark] .v2-group-item:hover{background-color:#ffffff0d!important}[data-theme=dark] .v2-group-divider{background-color:#ffffff12!important}[data-theme=dark] .v2-ctx-en{color:#dde6f0!important}[data-theme=dark] .v2-ctx-zh{color:#c8daeacc!important}[data-theme=dark] .cp-word{color:var(--v4-text)!important}[data-theme=dark] .cp-ipa{color:#aabed7b8!important}[data-theme=dark] .cp-speaker{background:#ffffff14!important;color:#cddceacc!important}[data-theme=dark] .cp-mean-zh{color:var(--v4-text)!important;border-bottom-color:#ffffff14!important}[data-theme=dark] .cp-def-en{color:#d2deeab3!important}[data-theme=dark] .cp-ex-box{background:#00000038!important}[data-theme=dark] .cp-ex-en{color:#d7e4f0e0!important}[data-theme=dark] .cp-ex-zh{color:#b4c8da94!important}[data-theme=dark] .cp-footer{border-top-color:#ffffff12!important}[data-theme=dark] .cp-btn{background:#ffffff14!important;color:#cddcead9!important}[data-theme=dark] .cp-btns{background:#0000004d!important}[data-theme=dark] .cp-btns.has-status .cp-btn:not(.active){background:#ffffff14!important}[data-theme=dark] .cp-jump-btn{background:#ffffff14!important;border-color:#ffffff24!important;color:#cddcead9!important}[data-theme=dark] .cp-jump-btn:hover{background:#ffffff26!important;color:var(--v4-text)!important}[data-theme=dark] .expr-title{color:var(--v4-text)!important}[data-theme=dark] .expr-body{color:#d2deead1!important}[data-theme=dark] .expr-footer{border-top-color:#ffffff12!important}[data-theme=dark] .expr-icon-btn{color:#b9cdde85!important}[data-theme=dark] .expr-icon-btn.edit:hover{background:#ffffff1a!important;color:var(--v4-text)!important}[data-theme=dark] .expr-icon-btn.del:hover{background:#7f1d1d!important;color:#fca5a5!important}[data-theme=dark] .st-ipa{color:#aabed7b8!important}[data-theme=dark] .st-ex-box{background:#00000038!important}[data-theme=dark] .st-word{color:var(--v4-text)!important}[data-theme=dark] .st-status-btn.know{background:#14532d;border-color:#22c55e;color:#86efac}[data-theme=dark] .st-status-btn.unknow{background:#7f1d1d;border-color:#ef4444;color:#fca5a5}[data-theme=dark] .user-note-box:not(.editing) .note-editable{color:var(--v4-surface)!important}[data-theme=dark] .user-note-box:not(.editing) .note-editable.bg-green{background:linear-gradient(to top,#14532d 8px,transparent 8px)!important}[data-theme=dark] .user-note-box:not(.editing) .note-editable.bg-yellow{background:linear-gradient(to top,#78350f 8px,transparent 8px)!important}[data-theme=dark] .user-note-box:not(.editing) .note-editable.bg-red{background:linear-gradient(to top,#7f1d1d 8px,transparent 8px)!important}[data-theme=dark] .user-note-box:not(.editing) .note-editable.bg-blue{background:linear-gradient(to top,#1e3a5f 8px,transparent 8px)!important}[data-theme=dark] .user-note-box:not(.editing) .note-editable.bg-purple{background:linear-gradient(to top,#3b0764 8px,transparent 8px)!important}[data-theme=dark] .st-note-text.bg-green{background-image:linear-gradient(#14532d,#14532d)!important}[data-theme=dark] .st-note-text.bg-yellow{background-image:linear-gradient(#78350f,#78350f)!important}[data-theme=dark] .st-note-text.bg-red{background-image:linear-gradient(#7f1d1d,#7f1d1d)!important}[data-theme=dark] .st-note-text.bg-blue{background-image:linear-gradient(#1e3a5f,#1e3a5f)!important}[data-theme=dark] .st-note-text.bg-purple{background-image:linear-gradient(#3b0764,#3b0764)!important}[data-theme=dark] .topbar{background:#0f172ad9;border-color:#f1f5f914}[data-theme=dark] .panel-hd,[data-theme=dark] .videoTitleBar,[data-theme=dark] .videoActions{border-color:#f1f5f914}[data-theme=dark] #subMenu,[data-theme=dark] #playMenu,[data-theme=dark] #bookMenu,[data-theme=dark] #langMenu{background-color:var(--v4-text);border-color:#f1f5f91a}[data-theme=dark] #playMenu .subMenuItem svg{stroke:var(--v4-line)}[data-theme=dark] #playMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{stroke:var(--v4-text-3);color:var(--v4-text-3)}[data-theme=dark] #playMenu .subMenuItem:has(.pmCheck:not([style*=none])) .pm-text{color:var(--v4-text-3)}[data-theme=dark] #playMenu .pmCheck,[data-theme=dark] #playMenu .subMenuItem,[data-theme=dark] #langMenu .subMenuItem,[data-theme=dark] #bookMenu .subMenuItem{color:var(--v4-text-3)}[data-theme=dark] #playMenu .subMenuItem svg,[data-theme=dark] #bookMenu .subMenuItem[data-cloze=off] svg line{stroke:var(--v4-line)}[data-theme=dark] #langMenu .subMenuItem svg path,[data-theme=dark] #bookMenu .subMenuItem[data-cloze=cloze_click] svg path,[data-theme=dark] #bookMenu .subMenuItem[data-cloze=cloze_type] svg path{fill:var(--v4-line)}[data-theme=dark] .subMenuItem:hover,[data-theme=dark] #playMenu .subMenuItem:hover,[data-theme=dark] #langMenu .subMenuItem:hover,[data-theme=dark] #bookMenu .subMenuItem:hover{background:#f1f5f90f;color:var(--v4-surface)}[data-theme=dark] .pm-icon-box{background:var(--v4-surface-alt);color:var(--v4-text-3)}[data-theme=dark] .subMenuItem:has(input:checked),[data-theme=dark] .subMenuItem:has(.pmCheck:not([style*=none])),[data-theme=dark] #playMenu .subMenuItem:has(.pmCheck:not([style*=none])),[data-theme=dark] #langMenu .subMenuItem:has(.pmCheck:not([style*=none])),[data-theme=dark] #bookMenu .subMenuItem:has(.pmCheck:not([style*=none])){background:#3b82f633;color:var(--v4-text-3)}[data-theme=dark] .subMenuItem:has(.pmCheck:not([style*=none])) .pm-icon-box{background:var(--v4-text);color:var(--v4-bg)}[data-theme=dark] #langMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg path,[data-theme=dark] #bookMenu .subMenuItem[data-cloze=cloze_click]:has(.pmCheck:not([style*=none])) svg path,[data-theme=dark] #bookMenu .subMenuItem[data-cloze=cloze_type]:has(.pmCheck:not([style*=none])) svg path{fill:var(--v4-text-3)}[data-theme=dark] #playMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{stroke:var(--v4-text-3)}[data-theme=dark] #bookMenu .subMenuItem[data-cloze=off]:has(.pmCheck:not([style*=none])) svg line{stroke:#ef4444}[data-theme=dark] .admin-panel{background:var(--v4-bg);border-color:var(--v4-line)}[data-theme=dark] .admin-header{background:var(--v4-white);border-bottom-color:var(--v4-line)}[data-theme=dark] .admin-header h4{color:var(--v4-text)}[data-theme=dark] .adm-section{background:var(--v4-white);border-color:var(--v4-line)}[data-theme=dark] .adm-sec-title{color:var(--v4-text-3)}[data-theme=dark] .exp-box{background:var(--v4-bg)}[data-theme=dark] .exp-header{background:var(--v4-white);border-bottom-color:var(--v4-line)}[data-theme=dark] .exp-header-left h3{color:var(--v4-text)}[data-theme=dark] .exp-tab{background:var(--v4-surface);border-color:var(--v4-line);color:var(--v4-text-2)}[data-theme=dark] .exp-tab:hover{background:var(--v4-surface-alt);color:var(--v4-text)}[data-theme=dark] .exp-body,[data-theme=dark] .exp-paper{background:var(--v4-bg);color:var(--v4-text)}[data-theme=dark] .st-header,[data-theme=dark] .fc-header{background-color:transparent;border-bottom-color:var(--v4-line-light)}[data-theme=dark] .main-tab-header .tab-btn{color:var(--v4-text-3)}[data-theme=dark] .main-tab-header .tab-btn.active{color:var(--v4-text);border-bottom-color:var(--v4-text)}[data-theme=dark] .wc-close{color:var(--v4-text-2)}[data-theme=dark] .wc-close:hover{color:var(--v4-text-3)}div#panel-flashcard.main-panel{background-color:#f6f6f7;min-height:calc(100vh - 130px)}.fc2-top-progress{width:100%;max-width:560px;margin:0 auto 16px;display:flex;align-items:center;gap:16px}.fc2-progress-text{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:14px;font-weight:700;color:var(--v4-text-2);letter-spacing:3px;white-space:nowrap}.fc2-top-track{flex:1;height:4px;background:var(--v4-surface);border:none;border-radius:4px;overflow:hidden}.fc2-top-fill{height:100%;background:var(--v4-text);border-radius:4px;transition:width .4s cubic-bezier(.4,0,.2,1)}.fc2-card{width:100%;max-width:560px;margin:0 auto;display:flex;flex-direction:column;background:transparent;border:none;box-shadow:none;padding:0}.fc2-main-box{background:var(--v4-white);border-radius:16px;padding:40px 36px 28px;box-shadow:0 2px 8px #0000000a,0 0 0 1px #00000005;display:flex;flex-direction:column;align-items:center;text-align:center;position:relative;overflow:hidden}.fc2-progress-track{position:absolute;top:0;left:0;width:100%;height:4px;background:var(--v4-bg)}.fc2-progress-fill{position:absolute;left:0;top:0;height:100%;background:var(--v4-text);transition:width .4s ease}.fc2-sound-row{display:flex;justify-content:center;margin-bottom:16px}.fc2-sound-btn{width:56px;height:56px;border-radius:50%;background:var(--v4-surface);color:var(--v4-text);border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:var(--v4-shadow-btn)}.fc2-sound-btn:hover{transform:scale(1.04);box-shadow:var(--v4-shadow-out-sm)}@keyframes fc2-sound-pulse{0%{box-shadow:0 0 #11182766;transform:scale(1)}70%{box-shadow:0 0 0 16px #11182700;transform:scale(1.05)}to{box-shadow:0 0 #11182700;transform:scale(1)}}@keyframes fc2-sound-pulse-dark{0%{box-shadow:0 0 #f8fafc80;transform:scale(1)}70%{box-shadow:0 0 0 16px #f8fafc00;transform:scale(1.05)}to{box-shadow:0 0 #f8fafc00;transform:scale(1)}}.fc2-sound-btn.is-playing{animation:fc2-sound-pulse .8s ease-out;background:var(--v4-surface-alt)}[data-theme=dark] .fc2-sound-btn.is-playing{animation:fc2-sound-pulse-dark .8s ease-out;background:var(--v4-surface-alt)}.fc2-sound-hint{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:12px;color:var(--v4-text-3);letter-spacing:1px;margin-bottom:24px;font-weight:500}.fc2-meta-zh-row{display:flex;align-items:baseline;justify-content:center;gap:12px;margin-bottom:12px}.fc2-pos{font-family:Georgia,serif;font-style:italic;font-size:22px;color:var(--v4-text-3);background:transparent;padding:0;font-weight:500}.fc2-pos:empty{display:none}.fc2-zh{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:24px;color:var(--v4-text);font-weight:700;margin:0;letter-spacing:1px}.fc2-freq-badge{display:inline-flex;align-items:center;font-size:13px;font-weight:500;color:var(--v4-text-3);background:transparent;padding:0}.fc2-freq-badge:before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--v4-text-3);margin-right:6px}.fc2-feedback-area{min-height:24px;display:flex;flex-direction:column;align-items:center;justify-content:center;margin:24px 0 16px}.fc2-dots{display:flex;gap:8px;justify-content:center}.fc2-dot{width:8px;height:8px;border-radius:50%;background:var(--v4-surface);transition:background .3s}.fc2-dot.used{background:var(--v4-text)}.fc2-feedback{font-size:16px;margin-top:8px}.fc2-reveal{color:var(--v4-text);font-weight:800;font-size:22px;letter-spacing:2px;font-family:ui-monospace,monospace}.fc2-input-wrap{display:flex;align-items:center;width:100%;border-bottom:1.5px solid var(--v4-line);padding-bottom:6px;transition:border-color .2s;position:relative}.fc2-input-wrap:has(.fc2-input:focus){border-bottom-color:var(--v4-text)}.fc2-input-wrap:has(.fc2-input.fc2-correct){border-bottom-color:#10b981}.fc2-input-wrap:has(.fc2-input.fc2-wrong){border-bottom-color:#ef4444;animation:fc2shake .35s ease}.fc2-input{flex:1;height:44px;border:none;background:transparent;outline:none;font-size:17px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-weight:600;color:var(--v4-text);text-align:left;padding-left:4px}.fc2-input::placeholder{font-weight:400;color:var(--v4-text-3);font-size:15px;letter-spacing:0}.fc2-input.fc2-correct{color:#10b981}.fc2-input.fc2-wrong{color:#ef4444}.fc2-submit-btn{width:56px;height:40px;border-radius:12px;background:var(--v4-surface);color:var(--v4-text);font-weight:700;font-size:13px;letter-spacing:1px;border:none;box-shadow:var(--v4-shadow-btn);cursor:pointer;transition:all .2s;margin-left:12px}.fc2-submit-btn:hover{box-shadow:2px 2px 3px #0000000a,-2px -2px 3px #ffffffe6;transform:translateY(-1px)}.fc2-actions{display:flex;justify-content:space-between;gap:16px;margin-top:24px}.fc2-action-btn{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;flex:1;height:42px;border-radius:100px;background:var(--v4-surface);border:none;box-shadow:var(--v4-shadow-btn);color:var(--v4-text-2);font-size:13px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px;transition:all .2s;line-height:1}.fc2-action-btn:hover{box-shadow:2px 2px 3px #0000000a,-2px -2px 3px #ffffffe6;color:var(--v4-text);transform:translateY(-1px)}.fc2-action-btn svg{display:block;flex-shrink:0;margin:0;transform:none}.fc2-hint-badge{background:#0000000d;color:var(--v4-text-2);padding:0 8px;border-radius:6px;font-size:11px;margin-left:2px;display:inline-flex;align-items:center;justify-content:center;height:18px;line-height:1}.fc2-stats-inline{display:flex;justify-content:center;gap:40px;margin-top:32px;width:100%}.fc2-stat-inline-item{display:flex;align-items:flex-end;gap:6px}.fc2-stat-num{font-size:26px;font-weight:700;line-height:.75;transform:translateY(2.5px)}.fc2-stat-label{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:12px;color:var(--v4-text-3);font-weight:500;line-height:1;margin-bottom:0}.fc2-text-green{color:#10b981}.fc2-text-red{color:#ef4444}.fc2-text-blue{color:var(--v4-text-2)}.fc2-toast{position:fixed;bottom:40px;left:50%;transform:translate(-50%) translateY(12px);background:var(--v4-text);color:var(--v4-white);padding:8px 18px;border-radius:20px;font-size:13px;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;z-index:9999}.fc2-toast.fc2-toast-show{opacity:1;transform:translate(-50%) translateY(0)}.fc2-done{flex-direction:column;align-items:center;padding:48px 20px;gap:16px;background:var(--v4-white);border-radius:24px;border:1px solid var(--v4-line);box-shadow:0 2px 8px #0000000a,0 0 0 1px #00000005}.fc2-done-rate{font-size:64px;font-weight:700;color:var(--v4-text);line-height:1;font-family:Georgia,serif}.fc2-done-sub{font-size:15px;color:var(--v4-text-2);margin-bottom:24px}.fc2-done-section{width:100%;max-width:400px;margin-bottom:16px}.fc2-done-label{font-size:12px;color:var(--v4-text-3);text-transform:uppercase;letter-spacing:.06em;margin-bottom:10px}.fc2-done-words{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.fc2-done-word{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;padding:4px 12px;border-radius:6px;font-size:14px;font-weight:500}.fc2-done-word.bank{background:#fffbeb;color:#92400e;border-color:#fde68a}.fc2-retry-btn{background:var(--v4-text);color:var(--v4-white);border:none;border-radius:12px;padding:12px 32px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;margin-top:12px}.fc2-retry-btn:hover{background:var(--v4-text-2)}[data-theme=dark] .fc2-progress-text{color:var(--v4-text-3)}[data-theme=dark] .fc2-top-track{background:var(--v4-surface)}[data-theme=dark] .fc2-top-fill{background:var(--v4-text)}[data-theme=dark] div#panel-flashcard.main-panel{background-color:var(--v4-bg);border:none}[data-theme=dark] .fc2-main-box{background:var(--v4-white);box-shadow:var(--v4-shadow-out)}[data-theme=dark] .fc2-sound-btn{background:var(--v4-surface);color:var(--v4-text);box-shadow:var(--v4-shadow-btn)}[data-theme=dark] .fc2-sound-btn:hover{box-shadow:var(--v4-shadow-out-sm)}[data-theme=dark] .fc2-zh{color:var(--v4-text)}[data-theme=dark] .fc2-pos{color:var(--v4-text-3)}[data-theme=dark] .fc2-input{color:var(--v4-text)}[data-theme=dark] .fc2-input-wrap{border-bottom-color:var(--v4-line)}[data-theme=dark] .fc2-input-wrap:has(.fc2-input:focus){border-bottom-color:var(--v4-text)}[data-theme=dark] .fc2-submit-btn{background:var(--v4-surface);color:var(--v4-text);box-shadow:var(--v4-shadow-btn)}[data-theme=dark] .fc2-submit-btn:hover{box-shadow:2px 2px 3px #0000004d,-2px -2px 3px #ffffff08}[data-theme=dark] .fc2-action-btn{background:var(--v4-surface);color:var(--v4-text-2);box-shadow:var(--v4-shadow-btn)}[data-theme=dark] .fc2-action-btn:hover{color:var(--v4-text)}[data-theme=dark] .fc2-dot{background:var(--v4-surface)}[data-theme=dark] .fc2-dot.used{background:var(--v4-text)}[data-theme=dark] .fc2-freq-badge{color:var(--v4-text-3)}[data-theme=dark] .fc2-done{background:var(--v4-white);border-color:var(--v4-line)}[data-theme=dark] .fc2-done-rate{color:var(--v4-text)}[data-theme=dark] .fc2-retry-btn{background:var(--v4-text);color:var(--v4-white)}[data-theme=dark] .fc2-retry-btn:hover{background:var(--v4-text-2)}#studyTabs{display:inline-flex!important;flex-wrap:wrap!important;width:auto!important;box-sizing:border-box!important;background-color:transparent!important;border:none!important;padding:0!important;gap:12px!important}#studyTabs .st-tab[data-tab=fav]{background-color:#fff7ed!important;color:#f59e0b!important}#studyTabs .st-tab[data-tab=fav] .badge{background-color:#f59e0b26!important;color:#f59e0b!important}#studyTabs .st-tab[data-tab=fav].active{background-color:#f59e0b!important;color:var(--v4-bg)!important;box-shadow:0 4px 12px #f59e0b4d!important}#studyTabs .st-tab[data-tab=fav].active .badge{background-color:#ffffff40!important;color:var(--v4-bg)!important}.ft-dropdown-box{position:relative;display:flex;align-items:center;height:100%}.ft-dropdown-box:hover .ft-dropdown-menu{display:block;opacity:1;transform:translateY(0);pointer-events:auto}.ft-dropdown-menu{display:none;opacity:0;pointer-events:none;position:absolute;bottom:100%;left:-8px;padding-bottom:12px;z-index:10001;transform:translateY(10px);transition:opacity .15s,transform .15s}.ft-menu-content{background:var(--v4-text);border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:6px;box-shadow:0 10px 25px -5px #0006;max-height:320px;overflow-y:auto}.ft-size-menu{min-width:160px}.ft-color-menu{min-width:280px}.ft-flex-row{display:flex;gap:8px}.ft-color-col{display:flex;flex-direction:column;flex:1}.ft-menu-title{font-size:11px;color:var(--v4-text-2);padding:4px 8px;margin-bottom:4px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.ft-opt{padding:6px 10px;color:var(--v4-text-3);font-size:13px;cursor:pointer;border-radius:6px;transition:all .1s;white-space:nowrap;display:flex;align-items:center;margin-bottom:1px}.ft-opt:hover{background:#ffffff26;color:#fff}.ft-menu-content::-webkit-scrollbar{width:4px}.ft-menu-content::-webkit-scrollbar-thumb{background:#fff3;border-radius:4px}#studyGrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(380px,1fr))!important;gap:24px!important;align-items:stretch!important}.st-card.capris-style{background:var(--v4-white);border:1px solid var(--v4-line);border-radius:16px;padding:26px 28px!important;display:flex;flex-direction:column;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 2px #00000005;position:relative;min-height:240px}.st-card.capris-style:hover{transform:translateY(-4px);box-shadow:0 12px 30px -5px #00000014,0 4px 10px -2px #0000000a;border-color:var(--v4-line)}.cp-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:10px;padding-right:10px}.cp-word{font-size:20px;font-weight:800;color:var(--v4-text);line-height:1.1;letter-spacing:-.01em}.cp-btns{position:absolute!important;top:18px;right:18px;display:flex;gap:6px;opacity:0;visibility:hidden;transform:translateY(-6px) scale(.95);transition:all .2s cubic-bezier(.34,1.56,.64,1);background:#ffffffd9;backdrop-filter:blur(4px);padding:4px;border-radius:8px;z-index:10}.st-card.capris-style:hover .cp-btns{opacity:1;visibility:visible;transform:translateY(0) scale(1)}.cp-btn.know.active{background:#10b981;color:#fff;border-color:#10b981}.cp-btn.unknow.active{background:#ef4444;color:#fff;border-color:#ef4444}.cp-btn:not(.active):hover{opacity:1!important}.cp-btns.has-status .cp-btn:not(.active){opacity:.5;background:var(--v4-white)}.cp-btn{font-size:11px;padding:3px 8px;border-radius:6px;cursor:pointer;font-weight:600;background:var(--v4-surface);transition:all .15s;line-height:1;border-width:1px;border-style:solid}.cp-btn.know{border-color:#10b981;color:#10b981}.cp-btn.know:hover{background:#10b981;color:#fff}.cp-btn.unknow{border-color:#ef4444;color:#ef4444}.cp-btn.unknow:hover{background:#ef4444;color:#fff}.cp-ipa-row{display:flex;align-items:center;gap:10px;margin-bottom:6px}.cp-ipa{font-family:Lucida Sans Unicode,sans-serif;font-size:14px;color:var(--v4-text-3);font-weight:500}.cp-speaker{width:26px;height:26px;border-radius:50%;background:var(--v4-bg);display:flex;align-items:center;justify-content:center;color:var(--v4-text-2);cursor:pointer;transition:all .2s}.cp-speaker:hover{background:var(--v4-surface-alt);color:var(--v4-text-2);transform:scale(1.1)}.cp-speaker svg{width:14px;height:14px;fill:currentColor}.cp-mean-zh{font-size:16px;font-weight:700;color:#3a3937!important;line-height:1.5;padding-bottom:8px;border-bottom:1px solid var(--v4-surface);margin-bottom:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cp-def-en{font-size:14px;color:var(--v4-text-2);line-height:1.5;margin-bottom:12px;min-height:20px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.cp-ex-box{background:var(--v4-bg)!important;border-left:3px solid var(--v4-text-2)!important;border-radius:8px!important;height:80px!important;display:flex!important;flex-direction:column!important;justify-content:center!important;padding:0 12px!important;flex:none!important;margin-bottom:12px!important;overflow:hidden}.cp-ex-en{font-size:14px!important;font-style:normal!important;color:var(--v4-text-2);margin-bottom:4px!important;line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.cp-ex-zh{font-size:12px;color:var(--v4-text-3);line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cp-footer{display:flex;justify-content:space-between;align-items:center;margin-top:auto;padding-top:16px;border-top:1px solid var(--v4-surface)}.cp-jump-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--v4-white);border:1px solid var(--v4-text);border-radius:8px;color:var(--v4-text);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.cp-jump-btn:hover{background:var(--v4-surface);box-shadow:0 2px 5px #2563eb26}.cp-jump-btn svg{width:14px;height:14px}.cp-view-icon{color:var(--v4-text-3);cursor:pointer;padding:6px;transition:color .2s}.cp-view-icon:hover{color:var(--v4-text-2)}.ctx-menu{position:fixed;z-index:10000;background:var(--v4-white);border:1px solid var(--v4-line);border-radius:8px;box-shadow:0 4px 6px -1px #0000001a,0 10px 15px -3px #0000001a;padding:6px;display:flex;flex-direction:column;gap:2px;min-width:140px;opacity:0;transform:scale(.95);pointer-events:none;transition:opacity .1s ease,transform .1s ease}.ctx-menu.visible{opacity:1;transform:scale(1);pointer-events:auto}.ctx-item{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:6px;cursor:pointer;font-size:13px;color:var(--v4-text-2);transition:all .15s}.ctx-item:hover{background:var(--v4-bg);color:var(--v4-text)}.ctx-item svg{width:16px;height:16px;color:var(--v4-text-2)}.ctx-item:hover svg{color:var(--v4-text)}.ctx-divider{height:1px;background:var(--v4-surface-alt);margin:4px 0}.st-card.expr-style{background:#fff!important;border:1px solid var(--v4-line);border-radius:12px;box-shadow:0 2px 4px #00000005;display:flex;flex-direction:column;height:100%;transition:all .2s ease}.st-card.expr-style:hover{transform:translateY(-2px);box-shadow:0 10px 20px -5px #00000014;border-color:var(--v4-line)}.expr-head-bar{padding:20px 24px 12px;display:flex;justify-content:space-between;align-items:flex-start}.expr-title{font-size:20px;font-weight:700;color:var(--v4-text);line-height:1.4}.expr-body{padding:0 24px 20px;font-size:14px;line-height:1.7;color:var(--v4-text-2);white-space:pre-wrap;word-break:break-word;flex:1}.expr-footer{padding:12px 24px;border-top:1px solid var(--v4-bg);display:flex;justify-content:flex-end;margin-top:auto}.expr-actions{display:flex;gap:8px;opacity:0;transition:opacity .2s}.st-card.expr-style:hover .expr-actions{opacity:1}.expr-icon-btn{color:var(--v4-text-3);cursor:pointer;padding:4px;border-radius:4px;transition:all .2s}.expr-icon-btn.edit:hover{color:var(--v4-text);background:var(--v4-surface)}.expr-icon-btn.del:hover{color:#ef4444;background:#fef2f2}.expr-jump-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:99px;background-color:var(--v4-surface);color:var(--v4-text);border:1px solid var(--v4-surface);font-size:13px;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 1px 2px #00000008}.expr-jump-btn:hover{background-color:var(--v4-text);color:var(--v4-bg);border-color:var(--v4-text);box-shadow:0 6px 16px #2563eb59;transform:translateY(-2px)}.expr-jump-btn:active{transform:translateY(0);box-shadow:0 2px 6px #2563eb33;opacity:.9}.expr-jump-btn svg{width:14px;height:14px;stroke-width:2.2;fill:none}.st-card.expr-style .expr-body img{max-width:100%;border-radius:8px}.st-card.expr-style .expr-body h1,.st-card.expr-style .expr-body h2{font-size:1.2em;margin:.5em 0}.expr-body{padding:0 24px 20px;font-size:14px;line-height:1.7;color:var(--v4-text-2);white-space:pre-wrap;word-break:break-word;flex:1;outline:none;cursor:text;transition:background .2s}.expr-body:focus{background:var(--v4-bg)}.float-toolbar{position:fixed;z-index:var(--z-popover, 10001);display:flex;align-items:center;gap:4px;background:var(--v4-text);padding:6px;border-radius:6px;box-shadow:0 4px 12px #00000026;opacity:0;pointer-events:none;transform:translateY(10px);transition:opacity .2s,transform .2s}.float-toolbar.visible{opacity:1;pointer-events:auto;transform:translateY(0)}.expr-icon-btn.edit{display:none!important}.expr-body span[style*=background-color]{border-radius:2px;padding:0 2px}.ft-emoji-grid{display:grid;grid-template-columns:repeat(8,1fr);gap:2px;min-width:300px;padding:4px}.ft-emoji-grid .ft-opt{justify-content:center;font-size:20px;padding:6px 2px;margin:0;border-radius:4px}.ft-emoji-grid .ft-opt:hover{background:#fff3;transform:scale(1.1)}@keyframes speedMenuFadeIn{0%{opacity:0;transform:translate(-50%) translateY(5px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.user-note-box{display:none;margin-top:4px;margin-left:0!important;width:100%!important;flex-direction:column;align-items:flex-start}.note-editable{font-size:14px;line-height:1.6;outline:none;font-family:inherit;white-space:pre-wrap;word-break:break-word;transition:all .2s ease}.user-note-box.editing .note-editable{width:100%;background-color:var(--v4-white);border:1px solid var(--v4-line);color:var(--v4-text-2);padding:10px 12px;border-radius:6px;min-height:60px;box-shadow:inset 0 1px 2px #0000000d;cursor:text}.user-note-box.editing .note-editable:focus{border-color:var(--v4-text-2);box-shadow:0 0 0 3px #3b82f61a}.user-note-box:not(.editing){display:block!important;width:100%}.note-btn{padding:5px 12px;border-radius:4px;font-size:12px;cursor:pointer;border:1px solid transparent;font-weight:600}.note-btn.cancel{background:var(--v4-bg);color:var(--v4-text-2)}.note-btn.cancel:hover{background:var(--v4-surface-alt);color:var(--v4-text-2)}.note-btn.save{background:var(--v4-text);color:#fff}.note-btn.save:hover{background:var(--v4-text)}.note-color-picker{display:flex;align-items:center;gap:8px;margin-right:auto;padding-left:2px}.color-dot{width:16px;height:16px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:all .2s;box-shadow:0 1px 2px #0000001a}.color-dot:hover{transform:scale(1.2)}.color-dot.selected{border-color:var(--v4-text-2);transform:scale(1.1)}.user-note-box:not(.editing) .note-editable{display:inline!important;-webkit-box-decoration-break:clone;box-decoration-break:clone;color:var(--v4-text);font-weight:600;font-size:14px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;line-height:1.8;border-radius:3px!important;padding:2px 4px!important;border:none!important;width:auto!important;transition:all .2s ease}.user-note-box:not(.editing) .note-editable{display:inline!important;padding-bottom:4px!important;padding-left:2px!important;padding-right:2px!important;background-size:100% 2px!important;background-position:0 100%!important;background-repeat:no-repeat!important;border-radius:2px!important;-webkit-box-decoration-break:clone;box-decoration-break:clone;font-weight:600;color:var(--v4-text);line-height:2;border:none!important}.user-note-box:not(.editing) .note-editable.bg-green{background-image:linear-gradient(#afffa7,#afffa7)!important}.user-note-box:not(.editing) .note-editable.bg-yellow{background-image:linear-gradient(#ffe897,#ffe897)!important}.user-note-box:not(.editing) .note-editable.bg-red{background-image:linear-gradient(#ffd2d2,#ffd2d2)!important}.user-note-box:not(.editing) .note-editable.bg-blue{background-image:linear-gradient(#b1f5ff,#b1f5ff)!important}.user-note-box:not(.editing) .note-editable.bg-purple{background-image:linear-gradient(#f2d2ff,#f2d2ff)!important}.user-note-box:not(.editing) .note-editable:after{content:none!important}.user-note-box:not(.editing) .note-editable.bg-green{background:linear-gradient(to top,#afffa7 8px,transparent 8px)!important}.user-note-box:not(.editing) .note-editable.bg-yellow{background:linear-gradient(to top,#ffe897 8px,transparent 8px)!important}.user-note-box:not(.editing) .note-editable.bg-red{background:linear-gradient(to top,#ffd2d2 8px,transparent 8px)!important}.user-note-box:not(.editing) .note-editable.bg-blue{background:linear-gradient(to top,#b1f5ff 8px,transparent 8px)!important}.user-note-box:not(.editing) .note-editable.bg-purple{background:linear-gradient(to top,#f2d2ff 8px,transparent 8px)!important}.user-note-box:not(.editing) .note-editable:hover{filter:brightness(.95)}.note-actions{display:none;flex-direction:row;align-items:center;flex-wrap:nowrap;width:100%;height:36px;margin-top:8px;padding-top:8px;border-top:1px solid var(--v4-surface)}.user-note-box.editing .note-actions{display:flex}.note-color-picker{display:flex;align-items:center;gap:12px;padding-right:12px;border-right:1px solid var(--v4-line);height:20px}.color-dot{width:14px;height:14px;border-radius:50%;cursor:pointer;border:1px solid rgba(0,0,0,.05);transition:all .2s}.color-dot:hover{transform:scale(1.25)}.color-dot.selected{border-color:var(--v4-text-3);transform:scale(1.15);box-shadow:0 2px 6px #0000001a}.dot-green{background-color:#89ff8d}.dot-yellow{background-color:#fffa80}.dot-red{background-color:#f99}.dot-blue{background-color:#8cd1ff}.dot-purple{background-color:#e299ff}.inline-toolbar{display:flex;align-items:center;gap:2px;padding-left:4px}.tb-btn{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border:none;background:transparent;cursor:pointer;border-radius:4px;color:var(--v4-text-2);position:relative;padding:0;transition:all .2s}.tb-btn:hover{background-color:var(--v4-bg);color:var(--v4-text)}.tb-btn svg{width:20px;height:20px}.tb-btn[title=\6587\5b57\989c\8272] svg{width:24px;height:24px;margin-top:-1px}.tb-btn.mono svg{fill:currentColor}.tb-select-overlay{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;appearance:none;-webkit-appearance:none;z-index:10}.right-btns{margin-left:auto;display:flex;align-items:center;gap:8px}.note-editable{font-family:Arial,sans-serif!important;font-weight:400!important}.note-editable b,.note-editable strong{font-weight:900!important}.note-actions{gap:0!important}.note-color-picker{padding-right:10px!important;margin-right:0!important;border-right:1px solid var(--v4-line)!important}.inline-toolbar{padding-left:0!important;margin-left:0!important}.btn-color svg{width:28px!important;height:auto!important;margin-top:-2px!important}.hl-popover{position:fixed;z-index:9999;transform:translate(-50%);bottom:100%;pointer-events:none;opacity:0;transition:opacity .2s,top .2s}.hl-popover.show{opacity:1;pointer-events:auto}.hl-options{display:flex;align-items:center;gap:8px;background:var(--v4-surface-alt);padding:8px 12px;border-radius:50px;box-shadow:0 4px 12px #0003}.hl-dot{width:20px;height:20px;border-radius:50%;cursor:pointer;border:2px solid transparent;transition:transform .2s}.hl-dot:hover{transform:scale(1.2);border-color:#fff}.dot-green{background:#afffa7}.dot-yellow{background:#ffe897}.dot-red{background:#ffd2d2}.dot-blue{background:#b1f5ff}.dot-purple{background:#f2d2ff}.dot-teal{background:#99f6e4}.dot-orange{background:#fed7aa}.hl-line{width:1px;height:16px;background:#fff3}.hl-btn-remove{cursor:pointer;font-size:16px;opacity:.8}.hl-btn-remove:hover{opacity:1;transform:scale(1.1)}.hl-arrow{position:absolute;left:50%;bottom:-6px;margin-left:-6px;width:0;height:0;border-left:6px solid transparent;border-right:6px solid transparent;border-top:6px solid var(--v4-text-2)}.vocab-card{position:fixed;z-index:10000;width:340px;background:var(--v4-white);border-radius:12px;box-shadow:0 10px 30px #00000026;border:1px solid rgba(0,0,0,.08);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;display:none;overflow:hidden}.vc-header{background-color:#fff5e5;padding:14px 18px;display:flex;justify-content:space-between;align-items:flex-start;border-bottom:1px solid rgba(0,0,0,.03)}.vc-word-group{display:flex;flex-direction:column;gap:2px}.vc-word{font-size:24px;font-weight:800;color:var(--v4-text);letter-spacing:-.5px}.vc-star{cursor:pointer;color:var(--v4-text-3);font-size:20px;transition:color .2s}.vc-star.active{color:#f59e0b}.vc-close{cursor:pointer;color:var(--v4-text-3);font-size:20px;background:none;border:none;padding:0}.vc-close:hover{color:var(--v4-text-2)}.vc-body{padding:16px 18px}.vc-phonetic{display:flex;gap:16px;margin-bottom:16px;font-size:13px;color:var(--v4-text-2);align-items:center}.vc-ph-item{display:flex;align-items:center;gap:4px;cursor:pointer}.vc-speaker-icon{font-size:14px}.vc-tag{margin-left:auto;background:var(--v4-white);border:1px solid #fed7aa;color:#f97316;font-size:11px;padding:1px 5px;border-radius:4px}.vc-def-zh{font-size:17px;font-weight:700;color:var(--v4-text);margin-bottom:6px;line-height:1.4}.vc-def-en{font-size:13px!important;color:var(--v4-text-2)!important;line-height:1.3!important;margin-bottom:12px!important}.vc-example-box{background-color:var(--v4-bg);border-left:3px solid #F97316;padding:10px 12px;border-radius:0 6px 6px 0;margin-top:12px}.vc-ex-en{font-size:14px;color:var(--v4-text);font-weight:500;margin-bottom:4px;line-height:1.4}.vc-ex-zh{font-size:12px;color:var(--v4-text-3)}.vc-footer{padding:10px 18px;border-top:1px solid var(--v4-surface);display:flex;justify-content:space-between;align-items:center;background:var(--v4-white)}.vc-actions{display:flex;gap:10px}.vc-btn{width:28px;height:28px;border-radius:50%;background:var(--v4-bg);color:var(--v4-text-2);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none;font-size:13px;transition:all .2s}.vc-btn:hover{background:var(--v4-surface-alt);color:#111}.vc-btn.google{background:#fee2e2;color:#dc2626}.vc-btn.baidu{background:#dbeafe;color:#2563eb}.vc-detail-link{font-size:12px;cursor:pointer;display:flex;align-items:center;gap:2px;text-decoration:none;font-weight:600;color: ${currentTheme.accent}opacity:.75;transition:opacity .2s}.vc-detail-link:hover{opacity:1}s .st-tab-wrap{position:relative!important;display:inline-flex!important}.st-tab-dropdown{display:none;position:absolute!important;top:100%!important;left:50%!important;transform:translate(-50%)!important;margin-top:8px!important;min-width:150px;background:var(--v4-white);border:1px solid var(--v4-line);border-radius:12px;box-shadow:0 10px 25px -5px #0000001a,0 4px 10px -2px #0000000d;z-index:10000!important;padding:6px;animation:slideDownCenter .15s ease-out forwards!important}.st-tab-wrap.active:hover .st-tab-dropdown{display:block}#studyTabs .st-tab-wrap:last-child .st-tab-dropdown{left:auto!important;right:0!important;transform:none!important}.st-tab-dropdown:before{content:"";position:absolute;top:-10px;left:0;width:100%;height:10px}.st-drop-item{display:flex!important;justify-content:space-between!important;align-items:center!important;width:100%;text-align:left;padding:8px 12px;font-size:13px;color:var(--v4-text-2);border-radius:8px;cursor:pointer;transition:all .2s;background:transparent;border:none}.st-drop-item:hover{background-color:var(--v4-bg);color:var(--v4-text-2)}.st-drop-item.selected{color:var(--v4-text);font-weight:700;background-color:var(--v4-surface)}@keyframes slideDownCenter{0%{opacity:0;transform:translate(-50%,-8px)}to{opacity:1;transform:translate(-50%)}}.st-caret-svg{margin-left:6px;width:10px;height:10px;opacity:.5;transition:transform .2s;fill:currentColor}.st-tab-wrap:hover .st-caret-svg{transform:rotate(180deg);opacity:.8}.st-drop-item{display:flex!important;justify-content:space-between!important;align-items:center!important}.st-drop-badge{font-size:11px;font-weight:500;color:var(--v4-text-3);background-color:var(--v4-bg);padding:1px 6px;border-radius:99px;min-width:20px;text-align:center;margin-left:8px}.st-drop-item.selected .st-drop-badge{color:var(--v4-text);background-color:#2563eb1a}.st-drop-item:hover .st-drop-badge{background-color:var(--v4-surface-alt)}.st-drop-item.selected:hover .st-drop-badge{background-color:#2563eb33}.st-pill-badge{font-size:11px;font-weight:600;opacity:.6;margin-left:6px;background-color:#0000000d;padding:1px 6px;border-radius:99px;min-width:16px;text-align:center;display:inline-block;line-height:1.2}.st-pill.active .st-pill-badge{background-color:#0000001a;color:inherit;opacity:.9}.st-pill:hover .st-pill-badge{background-color:#00000014}#studyGrid .st-card.force-popup{padding:0!important;background:var(--v4-bg);border:none;border-radius:6px;overflow:hidden;box-shadow:0 2px 10px #a3b1c638;display:flex;flex-direction:column;min-height:240px}#studyGrid .st-card.force-popup:hover{transform:translateY(-3px);box-shadow:0 6px 18px #a3b1c652}.vc-header{padding:14px 18px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(0,0,0,.04)}.vc-head-left{display:flex;align-items:center;gap:8px}.vc-head-right{display:flex;gap:4px}.vc-star{width:18px!important;height:18px!important;min-width:18px!important;color:var(--v4-text-3);cursor:pointer;transition:all .2s;margin-top:2px}.vc-star.active{color:#f59e0b!important}.vc-star:hover{color:#f59e0b;transform:scale(1.1)}.vc-word{font-size:20px;font-weight:800;color:var(--v4-text);line-height:1}.vc-stat-btn{font-size:10px!important;padding:2px 8px!important;border-radius:99px!important;border:1px solid rgba(0,0,0,.1)!important;background:#ffffffb3!important;color:var(--v4-text-2)!important;cursor:pointer;font-weight:600!important;transition:all .15s}.vc-stat-btn:hover{background:#fff!important;transform:translateY(-1px)}.vc-stat-btn.know.active{background:#10b981!important;color:#fff!important;border-color:#10b981!important}.vc-stat-btn.unknow.active{background:#ef4444!important;color:#fff!important;border-color:#ef4444!important}.vc-body{padding:16px 18px;flex:1;display:flex;flex-direction:column}.vc-meta-row{display:flex;align-items:center;gap:8px;margin-bottom:12px}.vc-ipa{font-family:Lucida Sans Unicode,sans-serif;font-size:12px;color:var(--v4-text-2);background:var(--v4-bg);padding:1px 6px;border-radius:4px}.vc-speaker{width:22px;height:22px;border-radius:50%;background:var(--v4-bg);color:var(--v4-text-2);display:flex;align-items:center;justify-content:center;cursor:pointer}.vc-speaker:hover{background:var(--v4-surface-alt);color:var(--v4-text-2)}.vc-tag-pill{margin-left:auto;font-size:11px!important;padding:2px 8px!important;border-radius:99px!important;border:1px solid!important;background:#fff!important;font-weight:600;opacity:.9}.vc-def-zh{font-size:15px;font-weight:700;color:var(--v4-text);margin-bottom:6px}.vc-def-en{font-size:13px;color:var(--v4-text-2);line-height:1.4;margin-bottom:12px;opacity:.9}.vc-ex-box{background:var(--v4-bg);border-left-width:3px;border-left-style:solid;padding:8px 12px;border-radius:0 6px 6px 0;margin-top:auto}.vc-ex-en{font-size:13px;color:var(--v4-text-2);margin-bottom:4px;line-height:1.35;font-weight:500}.vc-ex-zh{font-size:11px;color:var(--v4-text-3)}.vc-footer{padding:10px 18px;background:var(--v4-white);border-top:1px solid var(--v4-surface);display:flex;justify-content:space-between;align-items:center}.vc-links{display:flex;gap:8px}#studyGrid .vc-links-box{display:flex!important;flex-direction:row!important;align-items:center!important;gap:6px!important;margin-left:auto!important}#studyGrid .vc-head-right{display:flex!important;flex-direction:row!important;align-items:center!important;gap:8px!important;flex-shrink:0!important}.vc-lnk-btn{width:24px!important;height:24px!important;border-radius:50%!important;display:flex!important;align-items:center!important;justify-content:center!important;font-size:10px!important;font-weight:800!important;text-decoration:none!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important}.vc-lnk-btn.g{background:#fff1f2!important;color:#e11d48!important;border:1px solid #ffe4e6!important}.vc-lnk-btn.g:hover{background:#e11d48!important;color:#fff!important}.vc-lnk-btn.b{background:#eff6ff!important;color:#2563eb!important;border:1px solid #dbeafe!important}.vc-lnk-btn.b:hover{background:#2563eb!important;color:#fff!important}.vc-lnk-btn.d{background:#f0fdf4!important;color:#059669!important;border:1px solid #dcfce7!important}.vc-lnk-btn.d:hover{background:#059669!important;color:#fff!important}.vc-actions{display:flex;gap:8px}.vc-btn-icon{border:none;background:none;cursor:pointer;color:var(--v4-text-3);font-size:16px}.vc-btn-icon:hover{color:var(--v4-text-2)}#studyGrid .st-card.force-popup .vc-header,#studyGrid .st-card.force-popup .vc-body,#studyGrid .st-card.force-popup .vc-footer{background:transparent!important;border:none!important;box-shadow:none!important}#studyGrid .st-card.force-popup .vc-ex-box{background:#ffffff80!important;border-left-color:#0000001a!important}#studyGrid .st-card.force-popup .vc-lnk-btn,#studyGrid .st-card.force-popup .vc-speaker{background:#fff9!important;border:1px solid rgba(255,255,255,.6)!important;box-shadow:none!important}#studyGrid .st-card.force-popup .vc-stat-btn{background:#fff9!important;border-color:#0000000d!important}#studyGrid .vc-word{font-size:24px!important;font-weight:800!important;color:var(--v4-text)!important;line-height:1.2!important}#studyGrid .vc-stat-btn{background:#fff!important;border:1px solid var(--v4-line)!important;color:var(--v4-text-2)!important;font-weight:600!important;padding:3px 10px!important}#studyGrid .vc-stat-btn.know.active{background:#10b981!important;border-color:#10b981!important;color:#fff!important}#studyGrid .vc-stat-btn.unknow.active{background:#ef4444!important;border-color:#ef4444!important;color:#fff!important}#studyGrid .vc-tag-pill{background:transparent!important;border:none!important;color:var(--v4-text-3)!important;font-weight:600!important;padding:0!important;margin-left:auto!important}#studyGrid .vc-ipa{background:transparent!important;color:var(--v4-text-2)!important;font-weight:500!important;padding:0!important;font-family:Lucida Sans Unicode,sans-serif!important}.vc-region{font-size:11px!important;color:var(--v4-text-3)!important;margin-right:2px!important;transform:translateY(1px)}#studyGrid .vc-speaker{width:20px!important;height:20px!important;background:transparent!important;color:var(--v4-text-2)!important;margin-left:2px!important;margin-right:12px!important}#studyGrid .vc-meta-row{display:flex!important;align-items:center!important;flex-wrap:wrap!important;gap:0!important;margin-bottom:10px!important}.vc-p-group{display:flex!important;align-items:center!important;gap:2px!important;margin-right:12px!important}.vc-region{font-size:11px!important;font-weight:700!important;color:var(--v4-text-3)!important;margin-right:2px!important;transform:translateY(1px)!important}#studyGrid .vc-ipa{font-family:Lucida Sans Unicode,sans-serif!important;font-size:13px!important;font-weight:500!important;color:var(--v4-text-2)!important;background:transparent!important;padding:0!important}#studyGrid .vc-speaker{width:20px!important;height:20px!important;border-radius:50%!important;background:transparent!important;color:var(--v4-text-3)!important;display:flex!important;align-items:center!important;justify-content:center!important;cursor:pointer!important;margin-left:2px!important}#studyGrid .vc-speaker:hover{color:var(--v4-text)!important;background:var(--v4-surface)!important}#wordcard.vocab-card{width:380px!important}#wordcard .vc-ph-item{display:inline-flex!important;align-items:baseline!important;gap:2px!important;margin-right:0!important;margin-left:0!important;background:transparent!important}#wordcard .vc-ipa{background:transparent!important;padding:0!important;font-family:Lucida Sans Unicode,sans-serif!important;font-weight:400!important;color:var(--v4-text-2)!important;font-size:13px!important}#wordcard .vc-speaker-icon-wrap{background:transparent!important;width:auto!important;height:auto!important;padding:0 0 0 2px!important;border-radius:0!important;color:var(--v4-text-3)!important;transform:translateY(2px)!important}#wordcard .vc-speaker-icon-wrap:hover{color:var(--v4-text)!important;background:transparent!important;animation:none!important}#wordcard .vc-region{font-size:12px!important;color:var(--v4-text-3)!important;font-weight:400!important;margin-right:2px!important}#wordcard .vc-region,#wordcard .vc-ipa,#wordcard .vc-speaker-icon-wrap{color:var(--v4-text-2)!important}#wordcard .vc-speaker-icon-wrap{background:transparent!important;transform:translateY(3px)!important}#wordcard .vc-speaker-icon-wrap:hover{color:var(--v4-text)!important}#studyGrid .vc-star{width:14px!important;height:14px!important;min-width:14px!important;display:block!important;margin-right:6px!important;margin-left:0!important;margin-top:6px!important;color:var(--v4-text-3)!important;transition:all .2s;flex-shrink:0}#studyGrid .vc-star.active{color:var(--theme-color)!important;transform:scale(1.1)}#studyGrid .vc-star:hover{color:var(--theme-color)!important;transform:scale(1.2)}#studyGrid .vc-header{padding-top:24px!important;padding-bottom:10px!important;align-items:flex-start!important}#studyGrid .vc-status-box{opacity:0;visibility:hidden;transform:translateY(-6px);transition:all .2s cubic-bezier(.4,0,.2,1)}#studyGrid .vc-meta-row{display:flex!important;align-items:baseline!important;gap:0!important;margin-bottom:8px!important}#studyGrid .vc-p-group{display:inline-flex!important;align-items:baseline!important;gap:3px!important;margin-right:8px!important}#studyGrid .vc-region,#studyGrid .vc-ipa{color:var(--v4-text-2)!important;background:transparent!important;padding:0!important;font-family:Lucida Sans Unicode,sans-serif!important;font-size:13px!important;font-weight:400!important}#studyGrid .vc-region{font-size:12px!important;margin-right:2px!important;font-weight:400!important}#studyGrid .vc-speaker{width:auto!important;height:auto!important;background:transparent!important;margin-left:2px!important;cursor:pointer;color:var(--v4-text-3)!important;transform:translateY(2.5px)!important}#studyGrid .vc-speaker:hover{color:var(--v4-text)!important}#studyGrid .vc-speaker svg{width:14px!important;height:14px!important}#studyGrid .vc-header{padding-bottom:4px!important;border-bottom:none!important}#studyGrid .vc-body{padding-top:14px!important;flex:none!important;display:flex;flex-direction:column}#studyGrid .vc-star{display:block!important;width:18px!important;height:18px!important;min-width:18px!important;cursor:pointer;margin-right:5px!important;margin-left:0!important;margin-top:5px!important;color:var(--v4-text-3)!important;transition:color .2s!important}#studyGrid .vc-star.active{color:var(--star-color)!important;transform:scale(1)!important}#studyGrid .vc-star:hover{color:var(--star-color)!important;transform:scale(1.1)!important}#studyGrid .st-card{position:relative!important}#studyGrid .vc-status-box{position:absolute!important;top:12px!important;right:12px!important;margin:0!important;opacity:0;visibility:hidden;transform:translateY(-4px);transition:all .2s cubic-bezier(.4,0,.2,1);z-index:20}#studyGrid .st-card:hover .vc-status-box{opacity:1;visibility:visible;transform:translateY(0)}#studyGrid .vc-stat-btn{font-size:10px!important;padding:1px 7px!important;height:20px!important;line-height:18px!important;border-width:.5px!important}#studyGrid .vc-def-zh{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:18px!important;font-weight:700!important;color:var(--v4-text)!important;line-height:1.4!important;border-bottom:none!important;padding-bottom:0!important;margin-bottom:4px!important}#studyGrid .vc-def-en{font-size:13px!important;color:var(--v4-text-2)!important;line-height:1.4!important;opacity:.9;border-bottom:1px solid rgba(0,0,0,.06)!important;padding-bottom:12px!important;margin-bottom:12px!important}#studyGrid .vc-syn-box{display:flex;align-items:baseline;gap:6px;font-size:13px;color:#059669;background-color:#ecfdf5;padding:4px 8px;border-radius:6px;margin-bottom:8px;line-height:1.4;width:fit-content;max-width:100%}#studyGrid .vc-syn-label{font-size:10px;font-weight:800;text-transform:uppercase;opacity:.7;letter-spacing:.5px;flex-shrink:0}#studyGrid .st-card.force-popup .vc-speaker,#studyGrid .vc-speaker{background:transparent!important;border:none!important;box-shadow:none!important;border-radius:0!important;width:auto!important;height:auto!important;padding:0!important;display:flex!important;align-items:center!important;color:var(--v4-text-2)!important;margin-left:0!important;margin-right:4px!important;transform:translateY(3px)!important}#studyGrid .st-card.force-popup .vc-speaker:hover,#studyGrid .vc-speaker:hover{background:transparent!important;color:var(--v4-text)!important}#studyGrid .vc-speaker svg{width:16px!important;height:16px!important}#studyGrid .vc-ex-box,#studyGrid .st-card.force-popup .vc-ex-box{background:transparent!important;background-color:transparent!important;border:none!important;box-shadow:none!important;border-radius:0!important;padding:0!important;margin-top:10px!important;display:block!important;height:auto!important;min-height:0!important}#studyGrid .v2-footer{display:flex!important;justify-content:space-between!important;align-items:center!important;padding-top:12px!important;margin-top:auto!important;border-top:none!important}#studyGrid .v2-footer-left{display:flex!important;align-items:center!important;gap:14px!important}#studyGrid .vc-status-box{position:static!important;transform:none!important;display:flex!important;gap:8px!important;margin:0!important;opacity:1!important;visibility:visible!important}.v2-collapse-trigger{display:flex;align-items:center;justify-content:space-between;padding:12px 4px 4px;margin-top:auto;border-top:none!important;cursor:pointer;user-select:none;transition:background .2s;font-size:12px;color:var(--v4-text-2);font-weight:600}.v2-collapse-trigger:hover{color:var(--v4-text-2)}.v2-collapse-arrow{font-size:14px;transition:transform .3s cubic-bezier(.4,0,.2,1);display:inline-block;opacity:.6}.v2-collapse-trigger.open .v2-collapse-arrow{transform:rotate(180deg)}.v2-ctx-container{display:none;flex-direction:column;gap:12px;margin-top:12px;padding-bottom:4px;animation:slideDown .25s ease-out}.v2-ctx-card{background:var(--v4-bg);border:none;border-radius:0;padding:12px;position:relative;transition:all .2s}.v2-ctx-card:hover{background:var(--v4-white);box-shadow:0 4px 12px #0000000d;border-color:#0000001a}.v2-ctx-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.v2-ctx-label{font-size:11px;font-weight:800;color:var(--v4-text);opacity:.8;letter-spacing:.5px}.v2-ctx-edit{width:20px;height:20px;display:flex;align-items:center;justify-content:center;border-radius:4px;color:var(--v4-text-3);cursor:pointer;transition:all .2s;font-size:14px}.v2-ctx-edit:hover{background:var(--v4-surface);color:var(--v4-text)}.v2-ctx-en{font-size:13px;color:var(--v4-text-2);line-height:1.5;margin-bottom:4px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.v2-ctx-zh{font-size:12px;color:var(--v4-text-3);line-height:1.4;margin-bottom:8px}.v2-ctx-en b{color:#ef4444;font-weight:700}.v2-ctx-play-row{display:inline-flex;align-items:center;gap:6px;font-size:11px;color:var(--v4-text-2);font-family:ui-monospace,SFMono-Regular,monospace;cursor:pointer;background:var(--v4-surface);padding:2px 8px;border-radius:99px;transition:all .2s}.v2-ctx-play-row:hover{background:var(--v4-text);color:#fff}.v2-ctx-play-row svg{fill:currentColor;width:10px;height:10px}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}#studyGrid .vc-head-left{gap:0!important}#studyGrid .vc-star{width:18px!important;min-width:18px!important;height:18px!important;margin-right:10px!important;margin-top:5px!important}#studyGrid .vc-header{padding-top:30px!important;padding-bottom:2px!important;border-bottom:none!important;margin-bottom:0!important;height:auto!important;min-height:auto!important}#studyGrid .vc-body{padding-top:4px!important}#studyGrid .vc-meta-row{padding-left:28px!important;margin-top:0!important;display:flex!important;align-items:baseline!important;margin-bottom:14px!important;border-bottom:1px solid rgba(0,0,0,.06)!important;padding-bottom:14px!important}#studyGrid .vc-def-zh{padding-left:28px!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;color:#262626!important;font-size:15px!important;font-weight:700!important;line-height:1.4!important;margin-bottom:6px!important;border-bottom:none!important}#studyGrid .vc-def-en{padding-left:28px!important;border-bottom:none!important;padding-bottom:0!important;color:#262626!important;font-size:13px!important;line-height:1.6!important;opacity:1!important;margin-bottom:16px!important}#studyGrid .vc-syn-box{margin-left:28px!important;margin-bottom:10px!important;line-height:1.6!important;display:flex!important;align-items:baseline!important;gap:4px!important;font-size:14px!important}#studyGrid .vc-syn-box span{font-weight:700!important}#studyGrid .vc-ex-box{margin-left:28px!important;background:transparent!important;border:none!important;padding:0!important;margin-top:4px!important;margin-bottom:12px!important;display:block!important}.vc-ex-en{padding-left:0!important;text-indent:0!important;display:block!important;text-align:left!important;white-space:normal!important;color:#707070!important;font-size:14px!important;line-height:1.5!important;font-weight:400!important;font-family:inherit!important}.vc-ex-zh{padding-left:0!important;margin-top:4px!important;color:#707070!important;font-size:13px!important;line-height:1.4!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important}.vc-ex-en span,.vc-ex-en b{color:inherit!important;font-weight:400!important;margin:0!important;display:inline!important}.vc-ex-en span{margin-right:4px!important}#studyGrid>div{border:1px solid rgba(0,0,0,.08)!important;box-sizing:border-box!important}#studyGrid .vc-syn-label{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;position:relative!important;top:0!important}#studyGrid .vc-syn-box{align-items:baseline!important}#studyGrid .vc-head-right{display:flex!important;gap:8px!important;align-items:center!important}#studyGrid .vc-head-right a{display:flex!important;align-items:center!important;justify-content:center!important;width:24px!important;height:24px!important;border-radius:50%!important;background-color:var(--v4-white)!important;font-size:12px!important;font-weight:800!important;text-decoration:none!important;line-height:1!important;box-shadow:0 1px 2px #0000000d!important;border:none!important}#studyGrid .vc-head-right a:nth-child(1),#studyGrid .vc-btn-g{color:#dc2626!important}#studyGrid .vc-head-right a:nth-child(2),#studyGrid .vc-btn-b{color:var(--v4-text)!important}#studyGrid .vc-head-right a:nth-child(3),#studyGrid .vc-btn-d{color:#16a34a!important}#studyGrid .vc-head-right a:hover{background-color:var(--v4-bg)!important;transform:scale(1.05)}#studyGrid .v2-collapse-trigger{padding:12px 18px 12px 28px!important;display:flex!important;align-items:center!important;justify-content:space-between!important;margin-top:12px!important;border-top:none!important;cursor:pointer!important;user-select:none!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:14px!important;color:var(--v4-text)!important;font-weight:600!important}#studyGrid .v2-custom-arrow{width:20px!important;height:20px!important;fill:var(--v4-text)!important;opacity:1!important;transition:transform .3s ease!important}#studyGrid .v2-collapse-trigger.open .v2-custom-arrow{transform:rotate(180deg)!important}#studyGrid .v2-ctx-container{display:none;flex-direction:column;gap:12px;margin-top:0!important;padding-bottom:12px!important;padding-left:28px!important;padding-right:4px!important;max-height:320px!important;overflow-y:auto!important;overflow-x:hidden!important;animation:slideDown .2s ease-out}#studyGrid .v2-ctx-container::-webkit-scrollbar{width:10px!important;height:10px!important}#studyGrid .v2-ctx-container::-webkit-scrollbar-track{background:transparent!important}#studyGrid .v2-ctx-container::-webkit-scrollbar-thumb{background-color:var(--v4-surface-alt)!important;border-radius:99px!important;border:2px solid transparent!important;background-clip:content-box!important;transition:background-color .2s}#studyGrid .v2-ctx-container::-webkit-scrollbar-thumb:hover{background-color:var(--v4-text-3)!important}#studyGrid .v2-ctx-container::-webkit-scrollbar-button{display:none;width:100%;height:12px;background-repeat:no-repeat;background-position:center;background-size:12px;cursor:pointer;background-color:transparent}#studyGrid .v2-ctx-container::-webkit-scrollbar-button:vertical:start:decrement{display:block!important;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239ca3af'%3E%3Cpath d='M12 8l-6 6h12z'/%3E%3C/svg%3E")}#studyGrid .v2-ctx-container::-webkit-scrollbar-button:vertical:end:increment{display:block!important;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%239ca3af'%3E%3Cpath d='M12 16l6-6H6z'/%3E%3C/svg%3E")}#studyGrid .v2-ctx-container::-webkit-scrollbar-button:hover{background-color:#0000000a;border-radius:4px}.v2-ctx-en b{color:#f97316!important;font-weight:700}.v2-ctx-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:6px}.v2-ctx-actions{display:flex;align-items:center;gap:8px}.v2-jump-btn{cursor:pointer;color:var(--v4-text-3);font-size:14px;transition:all .2s;display:flex;align-items:center}.v2-jump-btn:hover{color:var(--v4-text-2);transform:scale(1.1)}.v2-ctx-ft{display:flex;align-items:center;justify-content:space-between;margin-top:8px}.v2-sent-num{font-size:11px;color:var(--v4-text-3);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-weight:500;opacity:.8}.v2-ctx-content{cursor:pointer;padding:4px 0;transition:opacity .2s}.v2-ctx-content:hover{opacity:.85}.v2-ctx-en{font-size:15px;color:#262626!important;line-height:1.5;margin-bottom:4px;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}.v2-ctx-zh{font-size:13px;color:var(--v4-text-2)!important;line-height:1.4;margin-bottom:8px}.v2-ctx-card.is-playing{background-color:#fff1f2!important;border-color:#fda4af!important;box-shadow:0 4px 6px -1px #e11d481a;transition:all .2s ease}.v2-group-card{background:#ffffffe6!important;backdrop-filter:blur(12px)!important;-webkit-backdrop-filter:blur(12px)!important;border:1px solid rgba(0,0,0,.06)!important;border-radius:8px!important;margin-bottom:8px;overflow:hidden;box-shadow:0 2px 4px #00000005,0 6px 12px #00000003!important}.v2-group-hd{background:transparent!important;padding:12px 16px 2px!important;border-bottom:none!important;display:flex;justify-content:space-between;align-items:center}.v2-group-label{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:16px!important;color:var(--v4-text)!important;font-weight:600!important;text-shadow:0 1px 0 rgba(255,255,255,.5)}.v2-group-item{padding:14px 16px;cursor:pointer;transition:background-color .2s;position:relative}.v2-group-item:hover{background-color:var(--v4-bg)}.v2-group-divider{height:1px!important;background-color:#0000000f!important;margin:0 12px!important}.v2-group-item.is-playing{background-color:transparent!important}.v2-group-item.is-playing .v2-text-wrap{background-color:var(--hl-bg, var(--v4-surface))!important;box-shadow:inset 4px 0 0 var(--theme-color, #f97316)!important;border-radius:6px!important;color:var(--v4-text)!important}.v2-group-item.is-playing .v2-ctx-play-row{color:var(--theme-color, #ea580c)!important;font-weight:700!important;background-color:#fff9!important;padding:2px 8px!important;border-radius:99px!important}.v2-group-item.is-playing .v2-play-icon-box svg{fill:var(--theme-color, #f97316)!important;transform:scale(1.1)}.v2-ctx-play-row{display:inline-flex!important;align-items:center!important;gap:6px!important;color:#4c4c4c!important;font-size:12px!important;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-variant-numeric:tabular-nums!important;font-weight:300!important;cursor:pointer!important;background:transparent!important;padding:2px 0!important;border-radius:0!important;transition:all .2s!important}.v2-play-icon-box{display:flex;align-items:center;justify-content:center;width:14px;height:14px}.v2-ctx-play-row svg{width:100%!important;height:100%!important;fill:#eea9ce!important;transition:transform .2s}.v2-ctx-play-row:hover svg{transform:scale(1.1);fill:#e88ebc!important}.v2-ctx-play-row .icon-play{display:block}.v2-ctx-play-row .icon-pause,.v2-group-item.is-playing .v2-ctx-play-row .icon-play{display:none}.v2-group-item.is-playing .v2-ctx-play-row .icon-pause{display:block}.v2-group-item.is-playing .v2-ctx-play-row{color:var(--v4-text-2)!important;font-weight:600}.v2-group-item.is-playing .v2-text-wrap{background-color:#fffae6!important;box-shadow:inset 2px 0 #ffe8bb!important;border-radius:4px!important}.v2-play-icon-box svg{width:100%!important;height:100%!important;overflow:visible!important;display:block}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])){background-color:var(--v4-surface);color:var(--v4-text-2);font-weight:600}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) svg{stroke:var(--v4-text-2);color:var(--v4-text-2);fill:none;transform:none}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) .pm-text{color:var(--v4-text-2)}#playMenu .subMenuItem:has(.pmCheck:not([style*=none])) .pm-icon-box{background:var(--v4-bg);color:var(--v4-text-2);box-shadow:none}#playMenu .pmCheck{color:var(--v4-text-2)}.iconBtn.menu-open:not(.active){background:var(--v4-white)!important;border:1px solid var(--v4-text)!important;color:var(--v4-text)!important}.iconBtn.menu-open:not(.active) svg{fill:var(--v4-text)!important}.ts-btn.btn-fav.is-active{color:#ec4899!important;opacity:1!important}.ts-btn.btn-fav:hover{color:#ff7575}.st-note-text{position:relative;display:inline!important;font-size:13px;font-weight:600;color:var(--v4-text-2);line-height:1.8;padding:0 4px 3px!important;background-size:100% 3px!important;background-position:0 100%!important;background-repeat:no-repeat!important;border-radius:2px!important;-webkit-box-decoration-break:clone;box-decoration-break:clone}.st-note-text:after{content:none!important}.st-note-text.bg-green{background-image:linear-gradient(#afffa7,#afffa7)!important}.st-note-text.bg-yellow{background-image:linear-gradient(#ffe897,#ffe897)!important}.st-note-text.bg-red{background-image:linear-gradient(#ffd2d2,#ffd2d2)!important}.st-note-text.bg-blue{background-image:linear-gradient(#b1f5ff,#b1f5ff)!important}.st-note-text.bg-purple{background-image:linear-gradient(#f2d2ff,#f2d2ff)!important}.user-note-box:not(.editing):has(.note-editable:empty){display:none!important}.user-note-box:not(.editing) .note-editable:empty,.user-note-box:not(.editing) .note-editable:blank{display:none!important}.user-note-box:not(.editing) .note-editable:empty{background:none!important;padding:0!important}.user-note-box.hidden-force{display:none!important}.v-speed-box{margin-right:4px!important}#customVideoBox .v-right-group #vBtnFull{width:28px!important;height:28px!important}#customVideoBox .v-right-group #vBtnFull svg{width:20px!important;height:20px!important}.help-overlay{position:fixed;inset:0;background:#00000080;z-index:var(--z-modal, 10010);display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}.help-box{background:var(--v4-white);width:600px;max-width:90vw;border-radius:12px;box-shadow:0 20px 50px #0003;padding:24px;position:relative}.help-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.help-header h3{margin:0;font-size:18px;color:var(--v4-text)}.help-close{background:transparent;border:none;font-size:20px;cursor:pointer;color:var(--v4-text-3)}.help-close:hover{color:var(--v4-text-2)}.help-body{display:flex;gap:40px}.help-col{flex:1}.help-group-title{font-size:12px;font-weight:700;color:var(--v4-text-3);margin-bottom:12px}.help-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:13px;color:var(--v4-text-2)}.help-row kbd{background:var(--v4-bg);border:1px solid var(--v4-line);border-radius:4px;padding:2px 6px;font-family:monospace;font-weight:600;color:var(--v4-text);min-width:24px;text-align:center;display:inline-block}.help-footer{margin-top:20px;padding-top:16px;border-top:1px solid var(--v4-surface);text-align:center;color:var(--v4-text-3);font-size:12px}.help-footer kbd{background:var(--v4-bg);border:1px solid var(--v4-line);border-radius:3px;padding:0 4px;font-family:monospace}#vBtnHelp svg{width:20px!important;height:20px!important}.ab-active-msg{animation:fadeInOut 2s ease}@keyframes fadeInOut{0%{opacity:0;transform:translate(-50%,10px)}10%{opacity:1;transform:translate(-50%)}90%{opacity:1;transform:translate(-50%)}to{opacity:0;transform:translate(-50%,-10px)}}.v-btn:focus{outline:none!important;box-shadow:none!important;background:transparent!important}.v-overlay-sub{position:absolute;bottom:60px;left:50%;transform:translate(-50%);width:90%;text-align:center;pointer-events:none;z-index:15;display:flex;flex-direction:column;gap:8px;align-items:center;transition:opacity .2s ease}.vos-en{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:20px;font-weight:500;color:#fff;line-height:1.3;text-shadow:0 2px 4px rgba(0,0,0,.8),0 0 2px rgba(0,0,0,.5)}.vos-zh{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:20px;font-weight:700;color:#fff;opacity:1;margin-top:0;text-shadow:0 2px 4px rgba(0,0,0,.9),0 0 3px rgba(0,0,0,.6)}#vBtnCC.is-off{opacity:.4}#customVideoBox .v-controls{display:flex!important;flex-direction:column!important;justify-content:flex-end!important;height:auto!important;min-height:56px!important;padding:0!important;background:linear-gradient(to top,rgba(0,0,0,.9) 0%,rgba(0,0,0,.6) 60%,transparent 100%)!important;position:absolute!important;bottom:0!important;left:0!important;right:0!important;z-index:20!important}#customVideoBox .v-progress-container{width:100%!important;height:16px!important;display:flex!important;align-items:center!important;cursor:pointer!important;padding:0 10px!important;box-sizing:border-box!important;order:1!important;margin-bottom:0!important}#customVideoBox .v-progress-wrap{width:100%!important;height:100%!important;display:flex!important;align-items:center!important;margin:0!important;flex:1!important}#customVideoBox .v-progress-bg{width:100%!important;height:3px!important;background:#ffffff4d!important;transition:height .1s!important;position:relative!important}#customVideoBox .v-progress-container:hover .v-progress-bg{height:5px!important}#customVideoBox .v-bottom-row{order:2!important;width:100%!important;display:flex!important;justify-content:space-between!important;align-items:center!important;padding:0 12px 6px!important;box-sizing:border-box!important}#customVideoBox .v-left-group,#customVideoBox .v-right-group{display:flex!important;align-items:center!important;gap:0!important}#customVideoBox .v-right-group{gap:8px!important}#customVideoBox .v-btn{width:36px!important;height:36px!important;padding:0!important;margin:0!important;display:flex!important;align-items:center!important;justify-content:center!important;background:transparent!important;border:none!important;cursor:pointer!important}#customVideoBox .v-btn svg{width:22px!important;height:22px!important;fill:#fff!important}#customVideoBox .v-vol-box{display:flex!important;align-items:center!important;justify-content:center!important;position:relative!important;overflow:visible!important;width:auto!important;height:100%!important;margin-right:4px!important;margin-left:2px!important;background:transparent!important;z-index:25!important}#customVideoBox .v-vol-slider-wrap{width:26px!important;height:112px!important;overflow:visible!important;background:#ffffff24!important;border:1px solid rgba(255,255,255,.28)!important;border-radius:4px!important;backdrop-filter:blur(8px) saturate(130%)!important;-webkit-backdrop-filter:blur(8px) saturate(130%)!important;box-shadow:0 6px 18px #0000002e!important;position:absolute!important;left:50%!important;bottom:calc(100% + 8px)!important;transform:translate(-50%) translateY(6px)!important;display:flex!important;align-items:center!important;justify-content:center!important;padding:14px 0 6px!important;box-sizing:border-box!important;margin:0!important;opacity:0!important;visibility:hidden!important;pointer-events:none!important;transition:opacity .16s ease,transform .16s ease!important}#customVideoBox .v-vol-box:hover .v-vol-slider-wrap,#customVideoBox .v-vol-box:focus-within .v-vol-slider-wrap{opacity:1!important;visibility:visible!important;pointer-events:auto!important;transform:translate(-50%) translateY(0)!important}#customVideoBox .v-vol-slider-wrap:before{content:none!important}#customVideoBox .v-vol-slider-wrap:after{content:attr(data-vol);position:absolute;top:5px;left:50%;transform:translate(-50%);font-size:11px;line-height:1;color:#fffffff2;font-weight:600;letter-spacing:0;pointer-events:none}#customVideoBox .v-vol-slider{width:76px!important;height:3px!important;transform:rotate(-90deg)!important;transform-origin:center!important;-webkit-appearance:none!important;background:transparent!important;margin-left:1px!important;margin-top:6px!important;cursor:pointer!important;opacity:1!important;z-index:10!important;border-radius:2px!important;outline:none!important}#customVideoBox .v-vol-slider::-webkit-slider-runnable-track{background:transparent!important;border:none!important;height:3px!important}#customVideoBox .v-vol-slider::-moz-range-track{background:transparent!important;border:none!important;height:3px!important}#customVideoBox .v-vol-slider::-webkit-slider-thumb{-webkit-appearance:none!important;height:12px!important;width:12px!important;border-radius:50%!important;border:none!important;background:#ff3b30!important;margin-top:-4.5px!important;box-shadow:0 1px 3px #0006!important;transition:transform .1s!important;position:relative!important;z-index:20!important}.vc-controls #vBtnFull{width:auto!important;height:30px!important;padding:0 10px!important;border-radius:10px!important;margin-left:0!important}.vc-controls #vBtnFull svg{width:13px!important;height:13px!important;transform:translateY(1px)!important}.vc-controls #vBtnFull .vc-chip-label{display:block;line-height:1;transform:translateY(1px)}#vBtnPrev{margin-right:-12px!important}#vBtnNext{margin-left:-12px!important;margin-right:10px!important}#customVideoBox #vBtnHelp{width:28px!important;height:28px!important;padding:0!important;margin-left:4px!important}#customVideoBox #vBtnHelp svg{width:18px!important;height:18px!important}#customVideoBox .v-progress-container #vVolBox,#customVideoBox .v-progress-container #vBtnPiP,#customVideoBox .v-progress-container #vBtnHelp{flex:0 0 auto}#customVideoBox .v-progress-container #vVolBox{width:28px!important;margin-left:6px!important;margin-right:0!important;justify-content:center!important}#customVideoBox .v-progress-container #vBtnPiP,#customVideoBox .v-progress-container #vBtnHelp{margin-left:6px!important;margin-right:0!important}#customVideoBox #vBtnFull{margin-left:-4px!important;margin-right:0!important}#customVideoBox #vBtnCC{transform:translateY(.8px)!important;position:relative;z-index:20}#customVideoBox .vc-controls>button[data-action=vcToggleHideVideo],#customVideoBox .vc-controls>#vBtnCC,#customVideoBox .vc-controls>#vBtnFull{margin-left:0!important;margin-right:0!important}.vc-controls>button[data-action=vcToggleHideVideo],.vc-controls>#vBtnCC,.vc-controls>#vBtnFull{margin-left:0!important;margin-right:0!important}.site-header{position:sticky;top:0;z-index:9999;display:flex;justify-content:space-between;align-items:center;padding:0 32px;height:64px;background:var(--v4-bg);box-shadow:0 4px 12px #a3b1c64d,0 -2px 8px #ffffff80}.header-logo{display:flex;align-items:center;gap:10px;cursor:pointer;color:var(--v4-text);transition:all .2s cubic-bezier(.4,0,.2,1);user-select:none}.header-logo:hover{color:var(--v4-text);transform:translateY(-1px)}.header-logo:active{transform:translateY(1px)}.logo-icon{color:var(--v4-text)}.logo-icon-wrap{width:38px;height:38px;border-radius:12px;background:var(--v4-surface);box-shadow:var(--v4-shadow-btn);display:flex;align-items:center;justify-content:center;flex-shrink:0}.logo-text{font-size:19px;font-weight:800;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;letter-spacing:.3px;color:var(--v4-text)}.header-actions{display:flex;align-items:center;gap:6px}.nav-label{font-size:13px;font-weight:600;letter-spacing:.3px;color:inherit;transition:color .15s}.nav-icon,.nav-btn{background:var(--v4-bg);border:none;padding:8px 14px;color:var(--v4-text-2);cursor:pointer;border-radius:12px;box-shadow:2px 2px 6px #a3b1c633,-2px -2px 6px #ffffffb3;font-family:inherit;font-size:13px;font-weight:600;letter-spacing:.3px;transition:box-shadow .18s,color .15s;display:flex;align-items:center;justify-content:center}.nav-icon:hover,.nav-btn:hover{color:var(--v4-text)}.nav-icon:active,.nav-btn:active{box-shadow:inset 4px 4px 10px #a3b1c64d,inset -4px -4px 10px #ffffffb3}.nav-btn.accent{color:#6c2c3c}.nav-avatar{width:36px;height:36px;border-radius:50%;background:var(--v4-bg);box-shadow:2px 2px 6px #a3b1c633,-2px -2px 6px #ffffffb3;overflow:hidden;cursor:pointer;transition:box-shadow .2s;display:flex;align-items:center;justify-content:center;margin-left:6px;border:none}.nav-avatar:active{box-shadow:inset 4px 4px 10px #a3b1c64d,inset -4px -4px 10px #ffffffb3}.nav-avatar img{width:100%;height:100%;object-fit:cover}@media(max-width:768px){.site-header{padding:0 16px;height:56px}.logo-text{font-size:18px}.header-actions{gap:4px}.nav-icon,.nav-btn{padding:6px}.nav-avatar{margin-left:6px;width:32px;height:32px}}#btnNavFav.is-active{color:#f59e0b}#btnNavFav.is-active svg{fill:#f59e0b;stroke:#f59e0b}.nav-modal-overlay{position:fixed;inset:0;background:#0f172a80;z-index:var(--z-modal, 10010);display:flex;align-items:flex-start;justify-content:center;padding-top:80px;backdrop-filter:blur(4px)}.nav-modal-box{width:500px;max-width:90vw;background:var(--v4-white);border-radius:12px;box-shadow:0 20px 40px #00000026;display:flex;flex-direction:column;overflow:hidden;max-height:70vh;animation:navPopIn .2s cubic-bezier(.2,0,.2,1)}@keyframes navPopIn{0%{opacity:0;transform:scale(.96) translateY(-10px)}to{opacity:1;transform:scale(1) translateY(0)}}.nm-header{padding:16px 20px;border-bottom:1px solid var(--v4-line);display:flex;justify-content:space-between;align-items:center;background:var(--v4-white)}.nm-close{background:none;border:none;font-size:18px;color:var(--v4-text-3);cursor:pointer;padding:4px;border-radius:4px}.nm-close:hover{background:var(--v4-bg);color:var(--v4-text-2)}.nm-body{padding:12px;overflow-y:auto;background:var(--v4-bg);flex:1}.nm-item{padding:12px 16px;background:var(--v4-white);border:1px solid var(--v4-line);border-radius:8px;margin-bottom:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:all .2s;font-weight:500;color:var(--v4-text-2)}.nm-item:hover{border-color:var(--v4-line);transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000000d}.nm-item.active{border-color:var(--v4-text);background:var(--v4-surface);color:var(--v4-text);font-weight:700}.nm-item-badge{font-size:11px;background:var(--v4-surface);color:var(--v4-text);padding:2px 6px;border-radius:4px;font-weight:700}.nav-dropdown-wrap{position:fixed;top:60px;right:32px;z-index:var(--z-dropdown, 10000)}.nav-dropdown-box{width:350px;background:#fffffff2;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(15,23,42,.08);border-radius:8px;box-shadow:0 12px 40px -10px #00000026,0 4px 12px -4px #0000000d;display:flex;flex-direction:column;max-height:calc(100vh - 60px);overflow:hidden;transform-origin:top right;animation:navDropFade .2s cubic-bezier(.2,0,.2,1)}@keyframes navDropFade{0%{opacity:0;transform:translateY(-10px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}.nd-header{padding:14px 18px;border-bottom:1px solid var(--v4-line);display:flex;justify-content:space-between;align-items:center;background:var(--v4-white)}.nd-close{background:none;border:none;font-size:16px;color:var(--v4-text-3);cursor:pointer;padding:0;line-height:1}.nd-close:hover{color:#ef4444}.nd-body{padding:8px;overflow-y:auto;background:var(--v4-bg)}.nav-dropdown-box .nm-item{padding:10px 14px;border:none;border-radius:8px;margin-bottom:2px;background:transparent;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif!important;font-size:14px;font-weight:500;color:#000!important}.nav-dropdown-box .nm-item:hover{background:var(--v4-bg)}.nav-dropdown-box .nm-item.active{background:var(--v4-surface);color:var(--v4-text)!important;font-weight:700}@media(max-width:768px){.nav-dropdown-wrap{top:56px;right:16px;left:16px}.nav-dropdown-box{width:auto}}.detail-fav-btn{cursor:pointer;color:var(--v4-text-3);display:inline-flex;align-items:center;justify-content:center;padding:6px;border-radius:8px;transition:all .2s cubic-bezier(.4,0,.2,1);margin-right:-6px}.detail-fav-btn:hover{color:var(--v4-text-3);background-color:var(--v4-bg);transform:translateY(-1px)}.detail-fav-btn{cursor:pointer;color:var(--v4-text-3);display:inline-flex;align-items:center;justify-content:center;padding:4px;border-radius:6px;transition:all .2s ease;transform:translateY(3px)}.detail-fav-btn svg{width:16px!important;height:16px!important;display:block}.detail-fav-btn:hover{color:var(--v4-text-3);background-color:var(--v4-bg);transform:translateY(3px) scale(1.1)}.detail-fav-btn.is-active{color:#f59e0b!important}.detail-fav-btn.is-active:hover{background-color:#fffbeb;color:#d97706!important}.checkin-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0006;backdrop-filter:blur(4px);z-index:100000;display:none;justify-content:center;align-items:center;opacity:0;transition:opacity .2s ease}.checkin-overlay.show{opacity:1;display:flex}.checkin-box{background:var(--v4-white);width:440px;border-radius:16px;box-shadow:0 20px 40px #00000026;display:flex;flex-direction:column;overflow:hidden;transform:scale(.95);transition:transform .2s cubic-bezier(.2,.8,.2,1)}.checkin-overlay.show .checkin-box{transform:scale(1)}.checkin-header{padding:20px 24px;text-align:center;position:relative;border-bottom:1px solid var(--v4-surface)}.checkin-header h3{margin:0 0 6px;font-size:18px;color:var(--v4-text);font-weight:700;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.checkin-header p{margin:0;font-size:13px;color:var(--v4-text-2);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.checkin-close{position:absolute;right:16px;top:18px;background:none;border:none;font-size:20px;color:var(--v4-text-3);cursor:pointer;transition:color .2s;line-height:1}.checkin-close:hover{color:var(--v4-text-2)}.checkin-body{padding:24px}.checkin-textarea{width:100%;height:100px;padding:14px;border:1px solid var(--v4-line);border-radius:10px;resize:none;font-size:14px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;color:var(--v4-text-2);outline:none;box-sizing:border-box;transition:all .2s;line-height:1.5}.checkin-textarea::placeholder{color:var(--v4-text-3)}.checkin-textarea:focus{border-color:#10b981;box-shadow:0 0 0 3px #10b9811a}.checkin-rating-title{margin:20px 0 8px;font-size:13px;color:var(--v4-text-2);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.checkin-stars{display:flex;gap:6px;cursor:pointer;color:var(--v4-text-3)}.checkin-stars svg{width:22px;height:22px;fill:currentColor;transition:transform .1s}.checkin-stars svg:hover{transform:scale(1.2)}.checkin-stars svg.active{color:#facc15}.checkin-footer{padding:0 24px 24px;display:flex;justify-content:flex-end;align-items:center;gap:16px}.checkin-btn-cancel{background:none;border:none;font-size:14px;color:var(--v4-text-2);cursor:pointer;padding:8px 12px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.checkin-btn-cancel:hover{color:var(--v4-text-2)}.checkin-btn-submit{background:#10b981;color:#fff;border:none;padding:10px 24px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;transition:background .2s;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.checkin-btn-submit:hover{background:#059669}.videoBox.is-floating{position:fixed!important;bottom:32px!important;right:32px!important;width:380px;height:auto;z-index:10000!important;border-radius:12px!important;box-shadow:0 20px 40px #0006,0 0 0 1px #ffffff1a!important;animation:floatIn .3s cubic-bezier(.16,1,.3,1);cursor:grab!important}.videoBox.is-floating:active{cursor:grabbing!important}.videoBox.is-floating .v-controls,.videoBox.is-floating .v-float-close{cursor:default!important}@keyframes floatIn{0%{transform:translateY(60px) scale(.9);opacity:0}to{transform:translateY(0) scale(1);opacity:1}}.v-float-close{display:none;position:absolute;top:-10px;right:-10px;left:auto;width:26px;height:26px;background:var(--v4-text);color:#fff;border-radius:50%;cursor:pointer;z-index:10001;align-items:center;justify-content:center;font-size:12px;border:2px solid #fff;box-shadow:0 2px 6px #0003;transition:all .2s;font-family:sans-serif}.videoBox.is-floating .v-float-close{display:flex}.v-float-close:hover{background:#ef4444;transform:scale(1.1)}.v-float-return{display:none;position:absolute;top:-10px;right:24px;width:26px;height:26px;background:var(--v4-text);color:#fff;border-radius:50%;cursor:pointer;z-index:10001;align-items:center;justify-content:center;border:2px solid #fff;box-shadow:0 2px 6px #0003;transition:all .2s}.videoBox.is-floating .v-float-return{display:flex}.v-float-return:hover{background:var(--v4-text);transform:scale(1.1)}.v-float-return svg{width:14px;height:14px;fill:none;stroke:currentColor;stroke-width:2.5;stroke-linecap:round;stroke-linejoin:round}.resize-edge{position:absolute;z-index:10005;display:none}.videoBox.is-floating .resize-edge{display:block}.resize-edge.t{top:-6px;left:0;right:0;height:12px;cursor:n-resize}.resize-edge.b{bottom:-6px;left:0;right:0;height:12px;cursor:s-resize}.resize-edge.l{top:0;bottom:0;left:-6px;width:12px;cursor:w-resize}.resize-edge.r{top:0;bottom:0;right:-6px;width:12px;cursor:e-resize}#customVideoBox.is-floating .v-controls{height:calc(38px * var(--pip-scale, 1))!important;min-height:calc(38px * var(--pip-scale, 1))!important;padding:0!important}#customVideoBox.is-floating .v-bottom-row{padding:0 calc(12px * var(--pip-scale, 1)) calc(6px * var(--pip-scale, 1)) calc(12px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-btn{width:calc(24px * var(--pip-scale, 1))!important;height:calc(24px * var(--pip-scale, 1))!important;margin:0 calc(2px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-btn svg{width:calc(14px * var(--pip-scale, 1))!important;height:calc(14px * var(--pip-scale, 1))!important}#customVideoBox.is-floating #vBtnPrev{margin-right:calc(-4px * var(--pip-scale, 1))!important}#customVideoBox.is-floating #vBtnNext{margin-left:calc(-4px * var(--pip-scale, 1))!important;margin-right:calc(4px * var(--pip-scale, 1))!important}#customVideoBox.is-floating #vBtnFull{margin-left:0!important}#customVideoBox.is-floating .v-time{font-size:calc(10px * var(--pip-scale, 1))!important;margin:0 calc(6px * var(--pip-scale, 1)) 0 calc(4px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-progress-container{height:calc(10px * var(--pip-scale, 1))!important;padding:0 calc(8px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-progress-bg{height:calc(2px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-progress-container:hover .v-progress-bg{height:calc(3.5px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-progress-thumb{width:calc(10px * var(--pip-scale, 1))!important;height:calc(10px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-box{margin-left:0!important;margin-right:calc(4px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-slider-wrap{width:calc(20px * var(--pip-scale, 1))!important;height:calc(52px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-slider-wrap:after{display:none}#customVideoBox.is-floating .v-vol-slider{width:calc(40px * var(--pip-scale, 1))!important;height:calc(2px * var(--pip-scale, 1))!important;margin-top:0!important}#customVideoBox.is-floating .v-vol-slider::-webkit-slider-thumb{width:calc(8px * var(--pip-scale, 1))!important;height:calc(8px * var(--pip-scale, 1))!important;margin-top:calc(-3px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-slider::-moz-range-thumb{width:calc(8px * var(--pip-scale, 1))!important;height:calc(8px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-slider::-webkit-slider-runnable-track{height:calc(2px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .v-vol-slider::-moz-range-track{height:calc(2px * var(--pip-scale, 1))!important}#customVideoBox.is-floating #vBtnSpeed,#customVideoBox.is-floating #vBtnHelp,#customVideoBox.is-floating #vBtnCC{display:none!important}#customVideoBox.is-floating .v-overlay-sub{bottom:calc(44px * var(--pip-scale, 1))!important;gap:calc(6px * var(--pip-scale, 1))!important}#customVideoBox.is-floating .vos-en{font-size:calc(16px * var(--pip-scale, 1))!important;text-shadow:0 1px 2px rgba(0,0,0,.8),0 0 2px rgba(0,0,0,.5)!important}#customVideoBox.is-floating .vos-zh{font-size:calc(13px * var(--pip-scale, 1))!important;margin-top:0!important;text-shadow:0 1px 2px rgba(0,0,0,.9),0 0 2px rgba(0,0,0,.6)!important}#panel-flashcard{background:var(--v4-bg);display:flex;justify-content:center;align-items:flex-start;padding:40px 20px;border-radius:12px;border:none}.spl-container{width:100%;max-width:560px;margin:0 auto;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;color:var(--text-primary)}.spl-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px;padding:0 4px}.spl-header-left{display:flex;align-items:center;gap:12px}.spl-back-btn{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:var(--card-bg);display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s;color:var(--text-primary)}.spl-back-btn:hover{border-color:var(--accent);color:var(--accent)}.spl-header-title{font-size:15px;font-weight:500;color:var(--text-secondary);letter-spacing:.5px}.spl-progress-pill{font-size:13px;font-weight:500;color:var(--accent);background:var(--accent-light);padding:6px 14px;border-radius:20px}.spl-progress-wrap{width:100%;height:4px;background:var(--border);border-radius:4px;margin-bottom:48px;overflow:hidden}.spl-progress-fill{width:36%;height:100%;background:var(--accent);border-radius:4px;transition:width .5s ease}.spl-card{background:var(--card-bg);border-radius:var(--radius);box-shadow:var(--shadow-md);padding:48px 40px;text-align:center;position:relative;overflow:hidden}.spl-card:before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),#7B5FED)}.spl-sound-area{margin-bottom:40px}.spl-sound-btn{width:88px;height:88px;border-radius:50%;border:none;background:var(--accent-light);color:var(--accent);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:all .3s ease;position:relative}.spl-sound-btn:after{content:"";position:absolute;inset:-6px;border-radius:50%;border:2px solid var(--accent-glow);animation:spl-pulse-ring 2s ease-out infinite}@keyframes spl-pulse-ring{0%{transform:scale(1);opacity:1}to{transform:scale(1.3);opacity:0}}.spl-sound-btn:hover{background:var(--accent);color:#fff;transform:scale(1.05);box-shadow:0 8px 24px var(--accent-glow)}.spl-sound-btn:hover:after{display:none}.spl-sound-btn svg{width:32px;height:32px}.spl-sound-hint{font-size:13px;color:var(--text-hint);margin-top:16px;letter-spacing:.3px}.spl-hint-row{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:36px;flex-wrap:wrap}.spl-hint-tag{font-size:12px;font-weight:500;color:var(--text-secondary);background:var(--v4-surface);padding:5px 12px;border-radius:8px;letter-spacing:.3px}.spl-hint-tag.pos{color:var(--accent);background:var(--accent-light)}.spl-hint-chinese{font-size:18px;font-weight:400;color:var(--text-primary);line-height:1.6}.spl-badge{display:inline-block;font-size:11px;padding:2px 8px;border-radius:6px;font-weight:500;margin-top:12px;background:#e8f8f0;color:#2db87b}.spl-letter-slots{display:flex;justify-content:center;gap:6px;margin-bottom:36px;flex-wrap:wrap}.spl-letter-slot{width:42px;height:50px;border:2px solid var(--border);border-radius:10px;display:flex;align-items:center;justify-content:center;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:20px;font-weight:500;color:var(--text-primary);background:var(--bg);transition:all .2s;box-sizing:border-box}.spl-letter-slot.active{border-color:var(--accent);background:var(--v4-white);box-shadow:0 0 0 3px var(--accent-glow)}.spl-letter-slot.filled{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}.spl-letter-slot.correct{border-color:var(--success);background:var(--success-light);color:var(--success);animation:spl-pop .3s ease}.spl-letter-slot.wrong{border-color:var(--error);background:var(--error-light);color:var(--error);animation:spl-shake .4s ease}@keyframes spl-pop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}@keyframes spl-shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.spl-input-wrap{position:relative;margin-bottom:24px}.spl-spell-input{width:100%;height:52px;border:2px solid var(--border);border-radius:12px;padding:0 48px 0 20px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:18px;letter-spacing:2px;color:var(--text-primary);background:var(--v4-white);outline:none;transition:all .2s;box-sizing:border-box}.spl-spell-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.spl-spell-input::placeholder{font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:14px;letter-spacing:0;color:var(--text-hint)}.spl-submit-btn{position:absolute;right:6px;top:50%;transform:translateY(-50%);width:40px;height:40px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.spl-submit-btn:hover{background:#2d5bd8;transform:translateY(-50%) scale(1.05)}.spl-action-row{display:flex;justify-content:center;gap:32px}.spl-action-link{font-size:13px;color:var(--text-hint);text-decoration:none;cursor:pointer;transition:color .2s;display:flex;align-items:center;gap:4px}.spl-action-link:hover{color:var(--accent)}.spl-stats-bar{display:flex;justify-content:center;gap:40px;margin-top:32px;padding-top:24px}.spl-stat-item{text-align:center}.spl-stat-num{font-family:Georgia,serif;font-size:28px;color:var(--text-primary);line-height:1;font-weight:700}.spl-stat-num.green{color:var(--success)}.spl-stat-num.red{color:var(--error)}.spl-stat-label{font-size:12px;color:var(--text-hint);margin-top:4px}.spl-kbd-hint{text-align:center;margin-top:24px;font-size:12px;color:var(--text-hint)}.spl-kbd{display:inline-block;padding:2px 6px;border:1px solid var(--border);border-radius:4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:var(--v4-white);margin:0 2px;color:var(--text-secondary)}.main-tab-header{display:flex;background:var(--v4-bg);border-bottom:1px solid var(--v4-line-light);padding:0;position:relative;overflow:visible}.main-tab-header:before{display:none}.main-tab-header:after{content:"";position:absolute;left:0;right:0;top:-6px;height:6px;box-shadow:0 -4px 8px #a3b1c624;pointer-events:none}.main-tab-item{flex:1;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 0;border-radius:12px;font-size:17px;font-weight:500;letter-spacing:1.5px;color:var(--v4-text-3);background:transparent;box-shadow:none;border:1px solid transparent;cursor:pointer;transition:color .2s,box-shadow .2s,background .2s,transform .2s;white-space:nowrap;user-select:none;position:relative;z-index:1;overflow:visible}.main-tab-item svg{transition:transform .2s ease,opacity .2s ease}.main-tab-item:before{display:none}.main-tab-item:hover{color:var(--v4-text-2)}.main-tab-item.active{color:var(--v4-text);background:transparent;box-shadow:none;border-color:transparent;font-weight:700;text-decoration-line:underline;text-decoration-thickness:4px;text-decoration-color:#a7e47f;text-underline-offset:0px;text-decoration-skip-ink:none;transform:none;z-index:2;border-radius:0}.main-tab-item.active svg{transform:none}.main-tab-item.active:before{display:none}.main-tab-item.active:after{display:none}.main-panel{padding:24px;background:var(--v4-bg);animation:fadeInTab .3s ease-out}@keyframes fadeInTab{0%{opacity:0;transform:translateY(5px)}to{opacity:1;transform:translateY(0)}}.st-level-filter{display:flex;align-items:center;flex-wrap:nowrap;gap:8px;padding:8px 0;border-bottom:none;margin-bottom:6px}.st-level-label{font-size:12px;color:var(--v4-text-2);margin-right:2px;font-weight:500}.st-level-btn{background:var(--v4-bg);border:1px solid transparent;color:var(--v4-text-2);padding:3px 8px;border-radius:6px;font-size:11px;font-weight:500;cursor:pointer;transition:all .2s;display:inline-flex;align-items:center;gap:5px;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.lvl-dot{display:inline-block;width:7px;height:7px;border-radius:50%;opacity:.85}.lvl-dot.c-green{background-color:#34d399}.lvl-dot.c-blue{background-color:#f59e0b}.lvl-dot.c-red{background-color:#fb7185}.st-level-btn:hover{background:var(--v4-bg);color:var(--v4-text)}.st-level-btn.active{background:var(--v4-surface);color:var(--v4-text);border-color:var(--v4-line);font-weight:500}.st-level-btn.active .lvl-dot{background-color:var(--v4-text)!important}.st-level-btn.active .lvl-dot.c-green{background-color:#34d399!important}.st-level-btn.active .lvl-dot.c-blue{background-color:#f59e0b!important}.st-level-btn.active .lvl-dot.c-red{background-color:#fb7185!important}.st-level-btn .num{font-size:9px;background:#0000000d;padding:0 5px;border-radius:7px;color:inherit;font-weight:600;line-height:1;margin-left:2px;display:inline-flex;align-items:center;justify-content:center;min-width:13px;height:13px;position:relative;top:1px}.st-level-btn .num,.st-level-btn[data-level=basic] .num,.st-level-btn[data-level=inter] .num,.st-level-btn[data-level=adv] .num{min-width:13px;height:13px;padding:0 3px;margin-left:2px;border-radius:6px;font-size:9px;position:relative;top:1px}.st-level-btn.active .num{background:#2563eb1f;font-weight:600}[data-theme=dark] .st-level-filter{border-bottom:none}[data-theme=dark] .st-level-btn{background:var(--v4-white);color:var(--v4-text-3)}[data-theme=dark] .st-level-btn:hover{background:var(--v4-surface-alt);color:var(--v4-line)}[data-theme=dark] .st-level-btn.active{background:#3b82f633;color:var(--v4-text-3);border-color:#3b82f666}.video-ext-bar{display:flex;align-items:center;justify-content:center;gap:2px;padding:8px 16px;background:transparent;border:none;box-shadow:none;border-radius:0;border-bottom:1px solid var(--v4-line-light)}.ve-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:6px 12px;border:none;background:transparent;color:var(--v4-text-3);cursor:pointer;font-size:11px;font-weight:500;transition:color .2s;border-radius:8px;white-space:nowrap}.ve-btn:hover{color:var(--v4-text-2);background:#00000005}.ve-btn:active{color:var(--v4-text)}.ve-btn span{font-size:11px;color:inherit}.ve-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;border-radius:50%;font-size:12px;font-weight:600;color:inherit;background:transparent;box-shadow:none;border:none}.ve-icon svg{width:16px;height:16px;fill:currentColor}.ve-btn svg{width:16px;height:16px}#veBtnInterval svg,#veBtnAB svg{fill:none;stroke:currentColor}#veBtnAuto svg{fill:currentColor;stroke:none}.video-ext-bar #veBtnPrev .ve-icon,.video-ext-bar #veBtnPlayPause .ve-icon,.video-ext-bar #veBtnNext .ve-icon,.video-ext-bar #veBtnLoop .ve-icon{background-color:transparent;border:none;box-shadow:none}.video-ext-bar #veBtnPrev svg,.video-ext-bar #veBtnPlayPause svg,.video-ext-bar #veBtnNext svg,.video-ext-bar #veBtnLoop svg{width:18px;height:18px;stroke:none;transition:fill .2s ease}.video-ext-bar #veBtnPrev svg,.video-ext-bar #veBtnPlayPause svg,.video-ext-bar #veBtnNext svg,.video-ext-bar #veBtnLoop svg,.video-ext-bar #veBtnPrev svg path,.video-ext-bar #veBtnPlayPause svg path,.video-ext-bar #veBtnNext svg path,.video-ext-bar #veBtnLoop svg path{fill:var(--v4-text)}.ve-btn.active{color:#d97706}.ve-btn.active .ve-icon,.ve-btn.active svg,.ve-btn.active svg path{color:#d97706;fill:#d97706}.video-ext-bar>div[style*="width:1px"],.video-ext-bar>div[style*="width: 1px"]{background-color:#0000000a!important;height:16px!important;margin:0 4px!important}.ve-speed-wrap .ve-icon{font-family:Plus Jakarta Sans,sans-serif;font-size:12px;font-weight:600}.ve-more-menu{position:absolute;bottom:calc(100% + 8px);right:0;min-width:160px;padding:6px;background:var(--v4-white);border:1px solid rgba(0,0,0,.06);border-radius:12px;box-shadow:0 8px 24px #00000014;z-index:60}.ve-more-menu .ve-btn{width:100%;justify-content:flex-start;padding:8px 12px;border-radius:8px}[data-theme=dark] .video-ext-bar{border-bottom-color:#ffffff0a}[data-theme=dark] .ve-btn{color:var(--v4-text-3)}[data-theme=dark] .ve-btn:hover{color:var(--v4-text-2);background:#ffffff08}[data-theme=dark] .ve-more-menu{background:var(--v4-white);border-color:#ffffff0f}[data-theme=dark] .ve-btn.active{color:#d97706}[data-theme=dark] .video-ext-bar #veBtnPrev .ve-icon,[data-theme=dark] .video-ext-bar #veBtnPlayPause .ve-icon,[data-theme=dark] .video-ext-bar #veBtnNext .ve-icon,[data-theme=dark] .video-ext-bar #veBtnLoop .ve-icon{background-color:transparent;border:none}[data-theme=dark] .video-ext-bar #veBtnPrev:hover .ve-icon,[data-theme=dark] .video-ext-bar #veBtnPlayPause:hover .ve-icon,[data-theme=dark] .video-ext-bar #veBtnNext:hover .ve-icon,[data-theme=dark] .video-ext-bar #veBtnLoop:hover .ve-icon{background-color:transparent}[data-theme=dark] .video-ext-bar #veBtnPrev svg,[data-theme=dark] .video-ext-bar #veBtnPlayPause svg,[data-theme=dark] .video-ext-bar #veBtnNext svg,[data-theme=dark] .video-ext-bar #veBtnLoop svg,[data-theme=dark] .video-ext-bar #veBtnPrev svg path,[data-theme=dark] .video-ext-bar #veBtnPlayPause svg path,[data-theme=dark] .video-ext-bar #veBtnNext svg path,[data-theme=dark] .video-ext-bar #veBtnLoop svg path{fill:var(--v4-text-3)}[data-theme=dark] .video-ext-bar #veBtnPrev:hover svg,[data-theme=dark] .video-ext-bar #veBtnPlayPause:hover svg,[data-theme=dark] .video-ext-bar #veBtnNext:hover svg,[data-theme=dark] .video-ext-bar #veBtnLoop:hover svg,[data-theme=dark] .video-ext-bar #veBtnPrev:hover svg path,[data-theme=dark] .video-ext-bar #veBtnPlayPause:hover svg path,[data-theme=dark] .video-ext-bar #veBtnNext:hover svg path,[data-theme=dark] .video-ext-bar #veBtnLoop:hover svg path{fill:var(--v4-text-3)}.ve-fullscreen-btn{width:auto!important;height:auto!important}.ve-fullscreen-btn .ve-icon svg{width:18px!important;height:18px!important}[data-theme=dark] .video-ext-bar #vBtnFull svg{fill:var(--v4-text-3)}[data-theme=dark] .video-ext-bar #vBtnFull:hover svg{fill:var(--v4-text-3)}.ve-speed-wrap{position:relative}.ve-speed-wrap .ve-icon{font-size:12px;font-weight:600;cursor:pointer;user-select:none;color:currentColor}.ve-speed-wrap .v-speed-menu{bottom:auto!important;top:calc(100% + 8px)!important;left:50%!important;transform:translate(-50%)!important;background:#fffffff2!important;border:1px solid rgba(15,23,42,.1)!important;box-shadow:0 8px 24px #0000001f!important}[data-theme=dark] .ve-speed-wrap .v-speed-menu{background:#1e293bf7!important;border-color:#ffffff1a!important}[data-theme=dark] .ve-speed-wrap .v-speed-opt{color:var(--v4-line)}[data-theme=dark] .ve-speed-wrap .v-speed-opt:hover{background:#ffffff1a;color:#fff}[data-theme=dark] .ve-speed-wrap .v-speed-opt.active{color:var(--v4-text-3)}[data-theme=dark] .video-ext-bar #veBtnHideVideo{color:var(--v4-text-2)}[data-theme=dark] .video-ext-bar #veBtnHideVideo:hover{color:var(--v4-text)}[data-theme=dark] .video-ext-bar #veBtnHideVideo.active{color:#fbbf24}.ve-more-wrap{position:relative}.ve-more-menu{position:absolute;top:calc(100% + 8px);right:0;background:#fffffff7;border:1px solid rgba(15,23,42,.1);border-radius:12px;box-shadow:0 8px 28px #0000001f;padding:6px;display:none;flex-direction:column;gap:2px;z-index:200;min-width:128px}.ve-more-menu.is-open{display:flex}.ve-more-menu .ve-btn{width:100%;justify-content:flex-start;border:none;border-radius:8px;background:transparent;padding:6px 10px}.ve-more-menu .ve-btn:hover{background:#0f172a0d}.ve-more-menu .ve-btn:hover .ve-icon{background-color:transparent}.ve-more-menu #veBtnHideVideo.active{color:#f59e0b}#veBtnMoreToggle.is-open{color:var(--v4-text)}[data-theme=dark] .ve-more-menu{background:#1e293bf7;border-color:#ffffff1a;color:var(--v4-text-3)}[data-theme=dark] .ve-more-menu .ve-btn:hover{background:#ffffff14}[data-theme=dark] .ve-more-menu #veBtnHideVideo.active{color:#fbbf24}[data-theme=dark] #veBtnMoreToggle.is-open{color:var(--v4-text-3)}.v-countdown-display{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif;font-size:80px;font-weight:800;color:#fffffff2;text-shadow:0 4px 20px rgba(0,0,0,.4);z-index:50;pointer-events:none;user-select:none;animation:popIn .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes popIn{0%{opacity:0;transform:translate(-50%,-50%) scale(.5)}to{opacity:1;transform:translate(-50%,-50%) scale(1)}}.ve-loop-box{position:relative;display:flex;justify-content:center;align-items:center}.ve-icon-standard{width:20px;height:20px;display:flex;align-items:center;justify-content:center;position:relative;color:inherit;background:transparent;box-shadow:none;border:none}.ve-icon-standard svg{width:16px;height:16px;fill:currentColor}.ve-loop-menu{display:none;position:absolute;top:calc(100% + 12px);left:50%;transform:translate(-50%);background:var(--v4-white);border:1px solid rgba(0,0,0,.06);border-radius:12px;padding:12px 14px;box-shadow:0 4px 20px #00000014;width:max-content;z-index:100;cursor:default}.ve-loop-menu.show{display:block;animation:vlmPopDown .15s ease-out forwards}@keyframes vlmPopDown{0%{opacity:0;transform:translate(-50%,-6px) scale(.98)}to{opacity:1;transform:translate(-50%) scale(1)}}.vlm-title{font-size:12px;color:var(--v4-text-2);text-align:center;margin-bottom:10px;font-weight:500;font-family:SE SF Pro Text,Plus Jakarta Sans,SE PingFang SC,Noto Sans SC,-apple-system,sans-serif}.vlm-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px}.vlm-opt{display:flex;align-items:center;justify-content:center;width:44px;height:32px;background:var(--v4-white);border:1px solid var(--v4-line);border-radius:6px;font-size:14px;font-weight:500;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--v4-text-2);cursor:pointer;transition:all .2s}.vlm-opt:hover{background:var(--v4-bg);border-color:var(--v4-line)}.vlm-opt.active{background:#737373;color:var(--v4-bg);border-color:#737373;font-weight:600;box-shadow:0 2px 4px #0000001a}.vlm-off-btn{margin-top:12px;padding:8px 10px;text-align:center;font-size:13px;color:var(--v4-text-2);background:var(--v4-bg);border:1px solid var(--v4-line);border-radius:8px;cursor:pointer;font-weight:500;transition:all .2s}.vlm-off-btn:hover{background:var(--v4-bg);color:#ef4444;border-color:var(--v4-line)}[data-theme=dark] .ve-loop-menu{background:var(--v4-white);border-color:#ffffff14;box-shadow:0 10px 30px #0006}[data-theme=dark] .vlm-title{color:var(--v4-text-3)}[data-theme=dark] .vlm-opt{background:var(--v4-bg);border-color:var(--v4-surface-alt);color:var(--v4-line)}[data-theme=dark] .vlm-opt:hover{background:var(--v4-white);border-color:var(--v4-text-2)}[data-theme=dark] .vlm-opt.active{background:var(--v4-text-2);color:var(--v4-bg);border-color:var(--v4-text-2);box-shadow:0 2px 6px #0000004d}#speech-panel{margin:0;padding:20px 24px;background:var(--v4-bg);border:none;border-radius:0;display:flex;flex-direction:column;align-items:center;gap:16px;position:relative;min-height:140px}#sp-tab-shadow,#sp-tab-spell{transition:box-shadow .15s ease,color .15s ease}#sp-subtitle{font-size:17px;font-weight:500;color:var(--v4-text);min-height:24px;line-height:1.6;text-align:center;width:100%;padding:0 60px;margin-top:8px}#sp-subtitle+div,#sp-ipa-line{text-align:center;color:var(--v4-text-3);font-size:13px}#sp-zh-line{text-align:center;color:var(--v4-text-2);font-size:14px}#sp-practice-bar{opacity:1!important;max-height:none!important;overflow:visible!important;display:flex!important;justify-content:center;gap:16px;padding:4px 0;margin:0}#sp-practice-bar .pbtn{width:42px;height:42px;border-radius:50%;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease;position:relative;padding:0}#sp-practice-bar .pbtn.play{background:var(--v4-surface);box-shadow:3px 3px 6px #0000000d,-3px -3px 6px #fffffff2}#sp-practice-bar .pbtn.play:hover{box-shadow:2px 2px 3px #0000000a,-2px -2px 3px #ffffffe6}#sp-practice-bar .pbtn.play:active{box-shadow:inset 2px 2px 4px #0000000a,inset -2px -2px 4px #ffffffe6}#sp-practice-bar .pbtn.rec{background:var(--v4-surface);box-shadow:3px 3px 6px #0000000d,-3px -3px 6px #fffffff2}#sp-practice-bar .pbtn.rec:hover{box-shadow:2px 2px 3px #0000000a,-2px -2px 3px #ffffffe6}#sp-practice-bar .pbtn.rec:active,#sp-practice-bar .pbtn.rec.is-recording{box-shadow:inset 2px 2px 4px #0000000a,inset -2px -2px 4px #ffffffe6}#sp-practice-bar .pbtn.playrec{background:var(--v4-surface);box-shadow:3px 3px 6px #0000000d,-3px -3px 6px #fffffff2}#sp-practice-bar .pbtn.playrec:hover{box-shadow:2px 2px 3px #0000000a,-2px -2px 3px #ffffffe6}#sp-practice-bar .pbtn.playrec.disabled{opacity:.35;cursor:not-allowed}#sp-practice-bar .pbtn .icon,#sp-practice-bar .pbtn svg.icon{width:42px;height:42px}#sp-practice-bar .rec-score{font-size:11px;font-weight:700;color:var(--v4-text-2);margin-left:4px}[data-theme=dark] #sp-practice-bar .pbtn.play,[data-theme=dark] #sp-practice-bar .pbtn.rec,[data-theme=dark] #sp-practice-bar .pbtn.playrec{background:var(--v4-surface);box-shadow:4px 4px 8px #00000059,-4px -4px 8px #ffffff0a}[data-theme=dark] #sp-practice-bar .pbtn:hover{box-shadow:2px 2px 4px #00000040,-2px -2px 4px #ffffff08}[data-theme=dark] #sp-practice-bar .pbtn:active{box-shadow:inset 2px 2px 5px #0000004d,inset -2px -2px 5px #ffffff08}[data-theme=dark] #speech-panel{background:var(--v4-bg)}[data-theme=dark] #sp-subtitle{color:var(--v4-text)}.sp-input-row{display:flex;gap:8px;align-items:stretch}#sp-spell-input{flex:1;padding:9px 12px;border-radius:8px;border:1.5px solid var(--v4-line);font-size:14px;outline:none;color:var(--v4-text);background:var(--v4-white)}#sp-spell-record-btn{padding:0 14px;border-radius:8px;border:1.5px solid var(--v4-line);background:var(--v4-surface);font-size:18px;cursor:pointer;flex-shrink:0}.sp-submit-btn{padding:0 14px;border-radius:8px;border:none;background:var(--v4-text);color:var(--v4-bg);font-size:13px;font-weight:600;cursor:pointer;flex-shrink:0}#sp-spell-result{margin-top:10px;padding:12px;background:var(--v4-white);border-radius:8px;border:1px solid var(--v4-line);font-size:13px;color:var(--v4-text-2)}@media(max-width:900px){html,body{max-width:100%;overflow-x:hidden}.wrap{width:100%;max-width:none;margin:0 auto 24px;padding:0 12px;box-sizing:border-box}.layout{grid-template-columns:minmax(0,1fr);gap:12px;width:100%}.panel,.layout>.panel:first-child,.layout>.panel:last-child{width:100%;min-width:0;border-radius:12px}.layout>.panel:first-child{border-right:0}.layout>.panel:last-child{min-height:0;overflow:hidden;border-left:0}.layout>.panel:last-child .panel-hd{position:relative;height:auto;padding:12px 12px 6px}.layout>.panel:last-child .panel-hd .subTools{top:auto}.videoTitleBar{padding:16px 4px 8px}.video-title-editable{flex-wrap:wrap;align-items:baseline;gap:4px 6px}.videoTitleMain{font-size:clamp(20px,5.6vw,24px);line-height:1.25;white-space:normal;overflow-wrap:anywhere}.video-title-main-text{flex:1 1 180px;min-width:0;margin-left:8px;overflow-wrap:anywhere}.videoTitleMeta,.video-meta-row{align-items:flex-start;gap:6px 8px;flex-wrap:wrap}.videoTitleMeta span{white-space:normal}.video-meta-tags{flex:1 1 100%;min-width:0;flex-wrap:wrap}.video-meta-divider{display:none}.video-meta-accent,.video-meta-difficulty{flex:0 1 auto;min-width:0}.video-meta-actions{margin-left:0;flex:0 0 auto;gap:10px}.detail-action-btn{min-width:32px;min-height:32px}#customVideoBox,.videoBox,.videoBox video{max-width:100%}.subsBox{height:auto;min-height:280px;max-height:min(48vh,520px);padding:12px;overscroll-behavior:contain}.line{padding:12px 10px}.line+.line:after{left:10px;right:10px}.en{font-size:16px;line-height:1.58}.zh{font-size:13px;line-height:1.55;margin-top:3px}.ipa{margin:4px 0 2px;font-size:12px;line-height:1.35}.admin-panel{position:static!important;width:100%!important;max-width:100%;max-height:70vh!important;margin:12px 0}.admin-panel .admin-body{max-height:calc(70vh - 72px);overflow:auto}}@media(max-width:640px){.wrap{padding:0;margin-bottom:18px}.layout{gap:8px}.panel,.layout>.panel:first-child,.layout>.panel:last-child{border-radius:0}.videoTitleBar{padding:14px 12px 6px}.video-meta-actions{margin-left:auto}.subsBox{min-height:320px;max-height:52vh;padding:8px 10px 12px}#customVideoBox .v-controls{min-height:50px!important}#customVideoBox .v-bottom-row{gap:4px!important;padding:0 8px 5px!important}#customVideoBox .v-left-group{flex:1 1 auto;min-width:0}#customVideoBox .v-right-group{flex:0 0 auto;gap:4px!important}#customVideoBox .v-btn{width:32px!important;height:32px!important}#customVideoBox .v-btn svg,#customVideoBox .video-control-icon{width:18px!important;height:18px!important}#customVideoBox .v-time{min-width:72px;margin:0 2px!important;font-size:11px}#customVideoBox .v-progress-container #vVolBox,#customVideoBox .v-progress-container #vBtnPiP,#customVideoBox .v-progress-container #vBtnHelp{display:none!important}#customVideoBox .v-right-group .v-speed-box{display:flex!important;margin:0!important}#customVideoBox .v-speed-btn{min-width:40px;height:28px;padding:0 8px;font-size:11px}#customVideoBox .v-speed-menu{left:auto;right:0;transform:none;min-width:150px;max-width:calc(100vw - 24px)}.vc-controls{flex-wrap:wrap;justify-content:center;gap:8px;padding:12px 8px;border-radius:12px;overflow:visible}.vc-transport{position:relative;left:auto;top:auto;transform:none;order:1;flex:1 1 100%;justify-content:center}.vc-controls>button[data-action=vcToggleHideVideo],.vc-controls>#vBtnFull,.vc-settings-group{order:2}.vc-settings-group{margin-left:0;flex-wrap:wrap;justify-content:center}.vc-setting-chip,.vc-controls button[data-action=vcToggleHideVideo],.vc-controls #vBtnFull{height:32px;padding:0 9px}#vcLoopChip{min-width:auto}.vc-settings-panel{position:fixed;inset:auto 12px 16px;width:auto;max-height:70vh;overflow:auto}.vc-loop-dropdown{position:fixed;inset:auto 12px 80px;width:auto;max-width:360px;margin:0 auto}.vc-practice{margin-top:8px;padding:58px 12px 20px}.utf-tb{top:12px;left:12px;right:12px;gap:8px}.utf-tb-left,.utf-ta{min-width:0}.utf-mode-btns{gap:4px}.utf-mode-btn{min-width:46px;height:28px;padding:0 10px}.utf-sa{padding:10px 2px 8px}.utf-sa .vc-sentence-main,.utf-dict-prompt.is-answer .vc-sentence-main{font-size:20px;line-height:1.55}}@media(max-width:430px){.videoTitleMain{font-size:20px}.video-title-main-text{flex-basis:150px;margin-left:6px}.videoTitleMeta,.video-meta-row{gap:5px 7px}.video-meta-actions{width:100%;justify-content:flex-end}.subsBox{min-height:300px;max-height:54vh}.line{padding:11px 8px}.line-num-badge{right:8px}#customVideoBox .v-bottom-row{padding-inline:6px!important}#customVideoBox .v-btn{width:30px!important;height:30px!important}#customVideoBox .v-time{min-width:68px;font-size:10px}#customVideoBox .v-speed-btn{min-width:36px;padding:0 6px}.vc-controls{padding-inline:6px}.vc-setting-chip .vc-chip-label,.vc-controls button[data-action=vcToggleHideVideo] .vc-hide-label,#vcLoopChip .vc-loop-label{display:none}.vc-setting-chip,.vc-controls button[data-action=vcToggleHideVideo],.vc-controls #vBtnFull{width:34px;padding:0;justify-content:center}}}