.reading-workspace.vocab-wide{grid-template-columns:minmax(0,1fr);max-width:1480px;width:100%;margin:0 auto}.reading-workspace.vocab-wide>.original-panel{display:none}.vocab-wide .word-study{max-width:1180px;margin:auto}.vocab-wide .teaching-word-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.vocabulary-content .word-study-stages{flex-wrap:wrap}.vocabulary-content .word-study-stages .word-study-width{margin-left:auto;display:flex;gap:8px;align-items:center;background:transparent!important;color:#63788d;border-left:1px solid #e2e8ee}.vocabulary-game-invite{width:100%;display:flex;align-items:center;gap:16px;text-align:left;padding:20px 22px;border:0;border-radius:16px;background:#eef3e7;color:#264e47;margin:4px 0 24px}.vocabulary-game-invite>span{font-size:30px;color:#6e8850}.vocabulary-game-invite div{flex:1 1}.vocabulary-game-invite strong{display:block;font-size:16px}.vocabulary-game-invite small{display:block;margin-top:6px;font-size:12px;color:#65795c}.vocabulary-game-invite b{font-size:13px;white-space:nowrap}.word-meaning-collocations{padding:20px 24px;background:#f4f7ef;border-radius:14px;margin:18px 0 26px}.word-meaning-collocations h3{font-size:12px;color:#6e7d67;margin:0 0 12px}.word-meaning-collocations>div+div{margin-top:14px}.word-meaning-collocations span,.word-meaning-collocations strong{display:block}.word-meaning-collocations strong{font:500 19px/1.55 Georgia,Times New Roman,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;color:#253e51}.word-meaning-collocations span{font-size:14px;color:#718269;margin-top:3px}.vq{--vq-ink:#223e3b;--vq-muted:#76877e;--vq-lime:#d3e790;--vq-line:#e2e8dd;container-type:inline-size;position:relative;background:#fafbf7;color:var(--vq-ink);border-radius:22px;isolation:isolate;font-family:Arial,Microsoft YaHei,sans-serif;min-width:0;margin:2px auto 10px;overflow:hidden}.vq *{box-sizing:border-box}.vq h2,.vq h3,.vq p{margin:0;color:inherit}.vq button{font:inherit;cursor:pointer;transition:background .18s,transform .18s,box-shadow .18s;border:0}.vq button:focus-visible{outline:3px solid #486eaa;outline-offset:4px}.vq button:disabled{cursor:default}.vq svg{flex:none}.vq-lobby{padding:38px 40px 25px}.vq-overline{display:inline-flex;align-items:center;gap:8px;font-size:10px;font-weight:700;letter-spacing:2.2px;color:#718369;line-height:1.5}.vq-overline>span{width:7px;height:7px;background:#90aa63;border-radius:50%}.vq-hero{display:grid;grid-template-columns:1fr 250px;align-items:center;gap:12px;padding:0 0 28px}.vq-hero h2{font-size:clamp(28px,3.3cqw,43px);line-height:1.45;letter-spacing:-1.5px;margin:17px 0 13px;font-weight:750}.vq-period{color:#96ad54}.vq-hero-description{font-size:13px;line-height:1.9;color:#6e8174!important}.vq-art{width:100%;max-width:290px;justify-self:end;color:#3f6252}.vq-lesson{font-size:11px;display:inline-flex;align-items:center;gap:7px;padding:8px 11px;background:white;border:1px solid #e7ecdf;border-radius:30px;margin-top:20px;color:#668162}.vq-lesson svg{width:13px;height:13px}.vq-rank-strip{display:flex;gap:13px;align-items:center;background:#fff;border:1px solid var(--vq-line);border-radius:16px;padding:16px 20px}.vq-rank-gem{width:40px;height:40px;border-radius:12px;background:#eee6d6;color:#ad8544;display:grid;place-items:center;font-size:26px;flex:none}.vq-finish-rank small,.vq-rank-strip small{display:block;font-size:10px;color:#93a08c;margin-bottom:5px}.vq-finish-rank strong,.vq-rank-strip strong{display:block;font-size:14px}.vq-rank-track{display:flex;gap:6px;flex:1 1;margin:0 10px 0 18px}.vq-rank-track span{height:5px;border-radius:8px;background:#eaf0e2;flex:1 1}.vq-rank-track .lit{background:#aac16b}.vq-rank-caption{font-size:10px;color:#86947b}.vq-lobby-bar{display:flex;justify-content:space-between;align-items:center;margin:31px 0 16px}.vq-lobby-bar h3{font-size:18px;letter-spacing:-.4px}.vq-lobby-bar>span{font-size:11px;color:#899383}.vq-game-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.vq-game-card{display:flex;flex-direction:column;padding:22px;border-radius:20px;min-width:0;position:relative;overflow:hidden}.vq-match{background:#edf2df}.vq-cloze{background:#eeebf6}.vq-blitz{background:#faeee4}.vq-card-top{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.vq-mode-icon{display:grid;place-items:center;width:48px;height:48px;border-radius:16px;background:#d9e9b4;color:#54713d}.vq-cloze .vq-mode-icon{background:#ded4ef;color:#776094}.vq-blitz .vq-mode-icon{background:#f1d8c2;color:#ae7651}.vq-card-number{font:500 12px/1.5 Georgia,Times New Roman,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;color:#93a283;letter-spacing:2px}.vq-game-card h3{font-size:21px;letter-spacing:-.7px;margin:0 0 10px}.vq-game-card>p{font-size:12px;line-height:1.9;min-height:46px;color:#72806b}.vq-cloze>p{color:#83758d}.vq-blitz>p{color:#9a816f}.vq-tags{display:flex;gap:6px;flex-wrap:wrap;margin:15px 0 23px}.vq-tags span{font-size:9px;line-height:1.4;border:1px solid #ccd6bc;border-radius:20px;padding:5px 7px;color:#7a8b68}.vq-cloze .vq-tags span{border-color:#d9cee5;color:#8c7d99}.vq-blitz .vq-tags span{border-color:#e6d3c3;color:#a28976}.vq .vq-start{display:flex;justify-content:space-between;align-items:center;gap:8px;width:100%;background:#fff;padding:13px 14px;border-radius:11px;font-size:12px;font-weight:700;margin-top:auto;color:#33523d;box-shadow:0 2px 0 #314d3010}.vq .vq-start svg{width:17px;height:17px}.vq .vq-start:hover{transform:translateY(-2px);box-shadow:0 5px 12px #314d3010}.vq-personal-best{font-size:9px;color:#82916b;margin:-8px 0 10px}.vq .vq-start:disabled{opacity:.45}.vq .vq-rescue-entry{display:flex;align-items:center;gap:14px;width:100%;text-align:left;background:#fff;border:1px solid var(--vq-line);border-radius:16px;padding:17px 20px;margin:18px 0 0;color:#526653}.vq-rescue-entry>span:nth-child(2){flex:1 1}.vq-rescue-icon{width:39px;height:39px;border-radius:12px;background:#f7f1e7;display:grid;place-items:center;color:#b39563}.vq-rescue-entry strong{font-size:13px;display:block}.vq-rescue-entry small{display:block;font-size:10px;color:#94a087;margin-top:5px}.vq-rescue-entry b{font-size:14px;border-radius:50%;width:28px;height:28px;display:grid;place-items:center;background:#f4f0e5;color:#ac8a4e}.vq-rescue-entry>svg{width:17px;height:17px;color:#98a18e}.vq-rescue-entry:disabled{opacity:.7}.vq-lobby-footer{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-top:20px;color:#8c9986;font-size:9px;line-height:1.8}.vq-lobby-footer>span{display:flex;align-items:center;gap:6px}.vq-lobby-footer svg{width:13px;height:13px}.vq .vq-difficulty{font-size:9px;background:transparent;color:#798976;white-space:nowrap;padding:4px}.vq-difficulty span{margin-left:9px;text-decoration:underline;text-underline-offset:3px}.vq-playing{min-height:570px;background:radial-gradient(ellipse at 50% 10%,#eef3e4 0,transparent 45%),#fafbf7;padding:0 32px 26px}.vq-hud{display:flex;align-items:center;gap:16px;padding:24px 0 18px}.vq .vq-icon-button{width:36px;height:36px;display:grid;place-items:center;border:1px solid #e1e7db;background:white;border-radius:12px;color:#788c74}.vq-icon-button svg{width:17px;height:17px}.vq-hud-title{flex:1 1}.vq-hud-title small{display:block;font-size:9px;color:#98a58b;letter-spacing:1.5px;margin-bottom:5px}.vq-hud-title h3{font-size:17px}.vq-clock{font:600 22px/1.2 Arial,sans-serif;font-feature-settings:"tnum";font-variant-numeric:tabular-nums;letter-spacing:-.5px;color:#4c6747}.vq-clock.urgent{color:#ba604f}.vq-progress-line{height:4px;border-radius:4px;background:#e9eedd;overflow:hidden}.vq-progress-line span{display:block;height:100%;background:#9bb65d;transition:width .3s}.vq-round-meta{display:flex;justify-content:space-between;align-items:center;font-size:10px;color:#91a080;padding:14px 0 0;gap:10px}.vq-round-meta b{color:#476441}.vq-hearts{display:flex;gap:4px;align-items:center}.vq-hearts svg{width:17px;height:17px;stroke:#cdd7c2}.vq-hearts .full{fill:#dc8e7b;stroke:#dc8e7b}.vq-hearts>svg:last-child{width:22px;height:22px;margin-left:9px}.vq-hearts .charged{fill:#bacfe9;stroke:#50749e;filter:drop-shadow(0 0 6px #adc9f1)}.vq-match-heading{display:flex;justify-content:space-between;align-items:center;margin:27px 0 22px;gap:12px}.vq-match-heading h3{font-size:18px}.vq-match-heading>span{font-size:10px;color:#97a38b}.vq-bubble-board{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.vq .vq-bubble{position:relative;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:7px;min-width:0;min-height:85px;padding:15px 12px;border-radius:22px;font-size:clamp(13px,1.5cqw,17px);line-height:1.45;text-align:center;color:#486044;border:1.5px solid transparent;transition:opacity .25s,transform .2s,background .2s,box-shadow .2s;overflow-wrap:anywhere}.vq-bubble small{font-size:8px;letter-spacing:1px;font-weight:700;color:#88987d}.vq-bubble-0{background:#e9efdb}.vq-bubble-1{background:#eeebf3;color:#786c8b!important}.vq-bubble-2{background:#f5ecde;color:#927b5f!important}.vq-bubble-3{background:#e4eeea;color:#507b70!important}.vq .vq-bubble:hover:not(:disabled){transform:translateY(-3px);box-shadow:0 6px 16px #4f705114}.vq .vq-bubble.selected{border-color:#68824c;background:#e1edc7;box-shadow:0 0 0 3px #b5cf7d25;transform:translateY(-3px)}.vq .vq-bubble.matched{opacity:0;transform:scale(.65);pointer-events:none}.vq .vq-bubble.mismatch{animation:vq-shake .3s;background:#f7ded5;border-color:#ddab96}.vq-live-hint{min-height:44px;padding:24px 0 0;font-size:11px;text-align:center;color:#8c9c7c}.vq-live-hint.wrong{color:#b47b61}.vq-cloze-play{background:transparent;text-align:center;padding:25px 0 12px}.vq-streak{display:inline-flex;gap:5px;align-items:center;font-size:10px;color:#9b875c;margin-bottom:30px;background:#f5efdf;padding:7px 12px;border-radius:20px}.vq-streak svg{width:13px;height:13px}.vq-cloze-play>.vq-overline{display:block;font-size:9px}.vq-cloze-play h3{font-size:28px;line-height:1.6;margin:17px 0 25px;letter-spacing:-.7px}.vq-drop-sentence{padding:27px 20px;background:white;border:1px solid #e1e5d7;border-radius:18px;font:500 clamp(23px,3cqw,34px)/1.9 Georgia,Times New Roman,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;min-height:120px;display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;box-shadow:0 8px 28px #4b663407}.vq-drop-sentence.drag-over{background:#eaf1dd;border-color:#819c5e}.vq-blank{display:inline-flex;align-items:center;justify-content:center;min-width:130px;padding:0 16px;border-bottom:2px dashed #aec481;color:#a3b28f;font:14px/2.5 Arial,Microsoft YaHei,sans-serif;letter-spacing:1px}.vq-blank.right{color:#3f7653;border-color:#76a279;font:inherit;letter-spacing:0}.vq-blank.wrong{color:#b57b60;border-color:#cca78c;font:inherit;letter-spacing:0}.vq-small-hint{font-size:10px;color:#a0ac92!important;margin:18px 0!important}.vq-choice-row{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin:20px auto 24px}.vq .vq-choice-row button{font-size:16px;background:#ede8f5;border:1px solid #d9cde8;border-radius:12px;padding:13px 20px;color:#766187;box-shadow:0 3px 0 #d8cce6;cursor:grab}.vq .vq-choice-row button:hover:not(:disabled){background:#e0d6ec;transform:translateY(-2px)}.vq .vq-choice-row button:disabled{opacity:.5;cursor:default}.vq-heart-rule{font-size:9px;color:#acb39f}.vq-blitz-play{background:transparent;max-width:590px;margin:30px auto 0}.vq-card-timer{height:3px;background:#e6e8d7;max-width:80%;margin:0 auto 18px;border-radius:5px;overflow:hidden}.vq-card-timer>span{display:block;height:100%;background:#d9ab7e;transition:width .2s linear}.vq-truth-card{border-radius:26px;background:white;border:1px solid #e5e6da;box-shadow:0 14px 36px #36462d0a,5px 5px 0 #eeeddf;min-height:260px;padding:36px 28px 23px;text-align:center;touch-action:pan-y;-webkit-user-select:none;user-select:none;display:flex;align-items:center;flex-direction:column;justify-content:center}.vq-truth-card h3{font:500 clamp(27px,4cqw,43px)/1.35 Georgia,Times New Roman,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;margin:25px 0 20px;overflow-wrap:anywhere}.vq-truth-divider{width:30px;height:2px;background:#dddcc8}.vq-truth-card p{font-size:21px;color:#8b917b;margin:19px 0 24px}.vq-swipe-hint{font-size:9px;color:#b3b7a7;letter-spacing:2px;margin-top:auto}.vq-truth-card.is-right{background:#f1f7e7;border-color:#aac477}.vq-truth-card.is-wrong{background:#fdf2e9;border-color:#dbb294}.vq-truth-actions{display:flex;gap:18px;margin-top:25px}.vq .vq-truth-actions button{display:flex;align-items:center;justify-content:center;gap:14px;flex:1 1;background:#f3e8e2;color:#b2745e;border-radius:16px;padding:15px;font-size:16px}.vq .vq-truth-actions button+button{background:#e6edd9;color:#638149}.vq-truth-actions b{font-size:23px;font-weight:400}.vq-truth-actions strong{font-size:16px}.vq-truth-actions kbd{font-size:11px;border:1px solid #00000012;border-radius:4px;padding:2px 5px;opacity:.6}.vq .vq-truth-actions button:hover:not(:disabled){transform:translateY(-3px)}.vq .vq-truth-actions button:disabled{opacity:.5}.vq-answer-feedback{display:flex;align-items:center;gap:18px;margin-top:24px;border-radius:14px;padding:16px 20px;border:1px solid #dfe8d0;background:#edf3e2;color:#587645}.vq-answer-feedback.wrong{background:#fbefe5;border-color:#ecd8c7;color:#ac7f61}.vq-answer-feedback>div{flex:1 1}.vq-answer-feedback strong{display:block;font-size:13px;line-height:1.6}.vq-answer-feedback span{font-size:11px;display:block;margin-top:5px;line-height:1.6}.vq .vq-answer-feedback button{display:flex;align-items:center;gap:6px;background:white;border-radius:8px;padding:10px;font-size:11px;white-space:nowrap;color:inherit}.vq-answer-feedback svg{width:16px;height:16px}.vq-rescue-play{text-align:center;max-width:650px;margin:42px auto 15px}.vq-rescue-play h3{font:500 clamp(26px,4cqw,42px)/1.5 Georgia,Times New Roman,Microsoft YaHei,PingFang SC,Noto Sans CJK SC,sans-serif;margin:28px 0 13px}.vq-rescue-play>p{font-size:12px;color:#9da68f;margin-bottom:25px}.vq-rescue-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.vq .vq-rescue-options button{background:white;border:1px solid #e2e8d8;border-radius:14px;padding:20px;font-size:15px;line-height:1.5;color:#6f7d60}.vq .vq-rescue-options button:hover:not(:disabled){border-color:#9eb975;background:#f0f5e8}.vq-pause{position:absolute;inset:0;z-index:4;display:grid;place-items:center;background:#f5f8efed;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:26px;text-align:center}.vq-pause-symbol{display:grid;place-items:center;width:62px;height:62px;border:1px solid #d7e2c4;border-radius:22px;margin:0 auto 26px;background:#e8efd9;color:#829865}.vq-pause h3{font-size:23px;margin-bottom:15px}.vq-pause p{font-size:12px;color:#92a180;margin-bottom:27px}.vq .vq-primary{display:inline-flex;align-items:center;justify-content:center;gap:13px;background:#294f46;border:1px solid #294f46;color:#fff;border-radius:12px;padding:14px 25px;font-size:14px;font-weight:700}.vq .vq-primary svg{width:17px;height:17px}.vq .vq-primary:hover{background:#41695e;transform:translateY(-2px)}.vq .vq-primary:disabled{opacity:.4}.vq .vq-secondary{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #cfdcc0;background:white;color:#6d8555;border-radius:12px;padding:14px 22px;font-size:13px}.vq .vq-text-button{display:block;background:none;color:#8a9a7c;font-size:11px;padding:13px 8px;margin:9px auto 0;text-decoration:underline;text-underline-offset:4px}.vq-finish{position:relative;padding:50px 20px 26px;text-align:center;max-width:700px;margin:auto}.vq-finish-medal{display:grid;place-items:center;width:85px;height:85px;margin:0 auto 26px;background:#e4eec9;color:#78964c;border:7px solid #f1f5e6;border-radius:50%;box-shadow:0 0 0 1px #dae5bd}.vq-finish-medal svg{width:34px;height:34px}.vq-finish>.vq-overline{font-size:9px;letter-spacing:3px}.vq-finish h2{font-size:32px;letter-spacing:-1px;margin:15px 0 11px;line-height:1.45}.vq-finish>p{font-size:12px;color:#93a17e}.vq-finish-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:37px auto 28px}.vq-finish-stats>div{padding:10px;border-right:1px solid #dfe7d2}.vq-finish-stats>div:last-child{border:0}.vq-finish-stats strong{font:600 32px/1.3 Arial,sans-serif;display:block;color:#476146}.vq-finish-stats small{font:400 12px Arial,sans-serif}.vq-finish-stats span{display:block;font-size:10px;color:#98a688;margin-top:10px}.vq-finish-rank{display:inline-flex;align-items:center;gap:11px;background:white;border:1px solid #e4e9dc;border-radius:14px;text-align:left;padding:11px 23px;margin:0 auto 26px}.vq-finish-actions{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.vq-finish-actions>.vq-text-button{flex-basis:100%;margin-top:3px}.vq-confetti{position:absolute;top:0;left:5%;width:90%;height:170px;pointer-events:none;overflow:hidden}.vq-confetti i{position:absolute;left:calc(var(--i) * 8%);top:20px;width:6px;height:10px;background:#c3d78f;border-radius:2px;transform:rotate(calc(var(--i)*34deg));animation:vq-fall 2.5s ease-out both;animation-delay:calc(var(--i)*.05s)}.vq-confetti i:nth-child(3n){background:#d6c5e8}.vq-confetti i:nth-child(3n+1){background:#e5bf99}@keyframes vq-shake{25%,75%{transform:translateX(-4px)}50%{transform:translateX(4px)}}@keyframes vq-fall{0%{opacity:0;translate:0 -30px}20%{opacity:1}to{opacity:0;translate:15px 150px;rotate:100deg}}@container (max-width:760px){.vq-lobby{padding:26px 24px 22px}.vq-hero{grid-template-columns:1fr 160px}.vq-hero h2{font-size:29px}.vq-rank-caption{display:none}.vq-game-grid{gap:10px}.vq-game-card{padding:17px 15px}.vq-game-card h3{font-size:17px}.vq-game-card>p{font-size:11px;min-height:63px}.vq-tags{margin:12px 0 17px}.vq-tags span{font-size:8px;padding:4px 5px}.vq-card-top{margin-bottom:19px}.vq .vq-start{font-size:11px;padding:11px}.vq-lobby-footer{flex-wrap:wrap;justify-content:center}.vq-playing{padding:0 24px 24px}.vq-bubble-board{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.vq-match-heading{display:block}.vq-match-heading>span{display:block;margin-top:9px}.vq .vq-bubble{min-height:91px;font-size:14px;padding:14px 10px}.vq-bubble-board .vq-bubble:last-child:nth-child(3n+1){grid-column:2}.vq-rank-track{margin-left:7px}}@container (max-width:470px){.vq-lobby{padding:23px 19px 18px}.vq-hero{grid-template-columns:1fr 112px;gap:0;padding-bottom:23px}.vq-hero h2{font-size:25px;letter-spacing:-1px;margin-top:12px}.vq-hero-description{font-size:11px}.vq-art{margin-left:5px;width:130px}.vq-overline{font-size:8px;letter-spacing:1.5px}.vq-lesson{font-size:9px;max-width:190px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-top:15px}.vq-rank-strip{gap:10px;padding:13px}.vq-rank-gem{width:33px;height:33px;font-size:22px}.vq-rank-track{gap:4px;margin-right:0}.vq-rank-strip strong{font-size:12px}.vq-rank-strip small{font-size:8px}.vq-game-grid{grid-template-columns:1fr}.vq-game-card{display:grid;grid-template-columns:42px 1fr 24px;gap:0 13px;padding:18px}.vq-card-top{display:contents}.vq-mode-icon{grid-column:1;grid-row:1/4;width:40px;height:43px;border-radius:13px}.vq-card-number{grid-column:3;grid-row:1;font-size:10px}.vq-game-card h3{grid-column:2;grid-row:1;font-size:18px;margin-bottom:6px}.vq-game-card>p{grid-column:2/4;grid-row:2;min-height:0;font-size:10px}.vq-tags{grid-column:2/4;grid-row:3;margin:9px 0 14px}.vq .vq-start{grid-column:2/4;grid-row:5;padding:10px 12px}.vq-personal-best{grid-column:2/4;grid-row:4}.vq-lobby-bar h3{font-size:16px}.vq-lobby-bar>span{font-size:9px}.vq-rescue-entry{gap:10px!important;padding:14px!important}.vq-rescue-entry small{font-size:9px}.vq-playing{padding:0 17px 21px;min-height:560px}.vq-hud{gap:10px;padding-top:21px}.vq-hud-title h3{font-size:16px}.vq-hud-title small{font-size:8px;letter-spacing:1px}.vq-clock{font-size:21px}.vq-bubble-board{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.vq-bubble-board .vq-bubble:last-child:nth-child(3n+1){grid-column:auto}.vq .vq-bubble{min-height:77px;font-size:13px;border-radius:18px}.vq-match-heading{margin-top:22px}.vq-match-heading h3{font-size:17px}.vq-match-heading>span,.vq-round-meta{font-size:9px}.vq-round-meta>span:last-child{max-width:70%;text-align:right}.vq-hearts{gap:2px}.vq-hearts svg{width:14px}.vq-cloze-play h3{font-size:24px}.vq-drop-sentence{font-size:24px;padding:25px 13px;line-height:1.7}.vq-blank{min-width:100px;padding:0 10px;font-size:12px}.vq .vq-choice-row button{font-size:14px;padding:11px 15px}.vq-cloze-play{padding-top:20px}.vq-streak{font-size:9px;margin-bottom:25px}.vq-truth-card{min-height:247px;padding:27px 16px 22px}.vq-truth-card h3{font-size:32px}.vq-truth-card p{font-size:18px;line-height:1.5}.vq-truth-actions{gap:12px}.vq .vq-truth-actions button{gap:12px;padding:12px}.vq-truth-actions kbd{display:none}.vq-answer-feedback{padding:13px;gap:9px;margin-top:20px}.vq-answer-feedback strong{font-size:11px}.vq-answer-feedback span{font-size:10px}.vq .vq-answer-feedback button{font-size:10px;padding:9px}.vq-pause h3{font-size:19px}.vq-finish{padding:40px 0 15px}.vq-finish h2{font-size:26px}.vq-finish-stats{gap:5px;margin-top:30px}.vq-finish-stats>div{padding:8px 3px}.vq-finish-stats strong{font-size:25px}.vq-finish-stats small{font-size:10px}.vq .vq-primary{padding:13px 18px;font-size:12px}.vq-rescue-play h3{font-size:30px}.vq-rescue-options{gap:9px}.vq .vq-rescue-options button{font-size:13px;padding:17px 11px}}@media(max-width:800px){.vocab-wide .teaching-word-grid{grid-template-columns:1fr}.vocabulary-content .word-study-stages{gap:4px;padding-left:14px;padding-right:14px}.vocabulary-content .word-study-stages button{padding:9px 7px;font-size:10px;min-height:35px}.vocabulary-content .word-study-stages .word-study-width{margin-left:0;padding-left:10px}.vocabulary-game-invite{gap:10px;padding:17px 15px}.vocabulary-game-invite strong{font-size:13px}.vocabulary-game-invite small{font-size:10px}.vocabulary-game-invite b{font-size:11px}.vq-lobby-footer{font-size:8px}.result-content.vocabulary-content:has(.vq){padding-left:12px;padding-right:12px}.vocabulary-content:has(.vq) .word-study-stages{margin-left:-12px;margin-right:-12px}}.vq .vq-resume-entry{display:flex;align-items:center;gap:10px;width:100%;margin:18px 0 0;padding:14px 18px;background:#e5edda;color:#597547;border:1px solid #cbdcb2;border-radius:12px;font-size:12px}.vq-resume-entry svg{width:16px;height:16px}.vq-resume-entry svg:last-child{margin-left:auto}@media(prefers-reduced-motion:reduce){.vq *,.vq :after,.vq :before{transition:none!important;animation:none!important}}.vq{overflow:clip;scroll-margin-top:calc(var(--reading-header-height,78px) + var(--resource-tabs-height,44px) + var(--vocab-nav-height,58px) + 12px)}.vq-hud{position:sticky;top:calc(var(--resource-tabs-height,44px) + var(--vocab-nav-height,58px));z-index:1;background:#fafbf7}@media(max-width:800px){.vq-hud{top:calc(var(--reading-header-height,115px) + var(--resource-tabs-height,44px) + var(--vocab-nav-height,90px))}}.word-source-labels{display:flex;gap:5px;flex-wrap:wrap;margin:5px 0 10px}.word-source-labels:empty{display:none}.word-source-labels span{font-size:12px;line-height:1.6;border:1px solid #d9e4f2;border-radius:4px;background:#f1f5fb;padding:2px 6px;color:#526e91}.vocabulary-questions{margin:26px 0;border-top:1px solid #d6e3f2;padding-top:18px}.vocabulary-original-question{padding:12px 0;line-height:1.9}.vocabulary-original-question ol{padding-left:28px}.vocabulary-original-question li{padding:8px 0}.thought-float-button{position:fixed;z-index:12;display:flex;align-items:center;gap:8px;width:148px;height:48px;padding:0 12px;border:1px solid #bbcbd9a8;border-radius:17px;background:#f6f9fcd9;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);box-shadow:0 5px 22px #19395720,inset 0 1px 0 #fff;color:#254b73;font:600 13px/1.3 Arial,Microsoft YaHei,sans-serif;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab;transition:background .16s,box-shadow .16s}.thought-float-button.is-open,.thought-float-button:focus-visible,.thought-float-button:hover{background:#f8fbfff5;border-color:#9db5cd;box-shadow:0 7px 26px #1939572b}.thought-float-button.is-dragging{cursor:grabbing;transition:none}.thought-float-pencil{display:grid;place-items:center;width:25px;height:25px;flex:none;color:#547798}.thought-float-pencil>svg{width:20px;height:20px}.thought-float-grip{margin-left:auto;flex:none;color:#a1b1bf}.thought-float-grip,.thought-float-grip>svg{width:9px;height:20px}.thought-float-dot{position:absolute;top:9px;left:32px;width:6px;height:6px;border-radius:50%;background:#527f70;box-shadow:0 0 0 2px #f5f9fc}.floating-thought-window{position:fixed;z-index:13;display:flex;flex-direction:column;min-width:0;min-height:0;background:#fffffff5;backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid #bacbdc;border-radius:17px;box-shadow:0 18px 65px #17395725,0 3px 12px #17395712;color:#263f58;text-align:left;isolation:isolate;font-family:Arial,Microsoft YaHei,sans-serif}.floating-thought-window.is-dragging{box-shadow:0 24px 75px #17395732}.thought-window-header{display:flex;align-items:center;gap:8px;flex:none;padding:11px 12px 10px 16px;border-radius:16px 16px 0 0;background:#f3f7fbce;border-bottom:1px solid #e5ecf3}.thought-drag-handle{display:flex;align-items:center;gap:9px;flex:1 1;min-width:0;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab;border-radius:5px}.is-dragging .thought-drag-handle{cursor:grabbing}.thought-drag-handle>svg:first-child{width:19px;height:19px;flex:none;color:#718ca6}.thought-drag-handle>svg:last-child{width:10px;height:20px;flex:none;color:#b1bfcb;margin-left:auto}.thought-drag-handle>div{min-width:0}.thought-drag-handle h3{font:700 14px/1.5 Arial,Microsoft YaHei,sans-serif;color:#234d78;margin:0}.thought-drag-handle small{display:block;font:10px/1.5 Arial,sans-serif;color:#92a1af;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:210px}.thought-window-header button{border:0;flex:none}.thought-auto-height{font:10px/1.4 Arial,Microsoft YaHei,sans-serif;color:#7e90a2;padding:6px 7px;border-radius:6px;background:transparent}.thought-auto-height[aria-pressed=true]{background:#e5edf6;color:#426689}.thought-window-close{width:27px;height:29px;padding:0;background:transparent;border-radius:7px;color:#7e91a3;font:22px/1 Arial,sans-serif}.thought-window-close:hover{background:#e6edf5}.thought-window-body{display:flex;flex-direction:column;flex:1 1;min-height:0;padding:15px 17px 10px}.thought-window-body>textarea{display:block;flex:1 1;width:100%;min-width:0;min-height:0;height:100%;margin:0;padding:0 1px;border:0;border-radius:0;outline:none;background:transparent;resize:none;box-shadow:none;color:#2a425b;font:16px/1.85 Arial,Microsoft YaHei,sans-serif;scrollbar-width:thin;scrollbar-color:#c8d3de transparent;overflow-y:auto;white-space:pre-wrap;overflow-wrap:break-word}.thought-window-body>textarea::placeholder{color:#a0acb9;font-size:13px;line-height:1.9}.thought-window-body>textarea:focus-visible{outline:none!important}.thought-window-body>p[role=alert]{font:11px/1.7 Arial,Microsoft YaHei,sans-serif;color:#a34c3a;margin:7px 0 0}.thought-window-footer{display:flex;align-items:center;justify-content:space-between;gap:10px;flex:none;padding:4px 16px 13px;color:#8a9ba9;min-height:44px}.thought-window-footer>span{font:10px/1.6 Arial,Microsoft YaHei,sans-serif;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}.thought-window-footer>button{font:600 11px/1.5 Arial,Microsoft YaHei,sans-serif;flex:none;white-space:nowrap;border:1px solid #cfdae6;border-radius:8px;color:#365d83;background:#eef3f9;padding:7px 12px}.thought-window-footer>button:hover{background:#e1eaf5}.thought-resize-handle{position:absolute;z-index:2;touch-action:none;user-select:none;-webkit-user-select:none;border-radius:5px}.thought-drag-handle:focus-visible,.thought-resize-handle:focus-visible{outline:2px solid #668bad;outline-offset:1px;background:#b8cbe240}.thought-resize-n,.thought-resize-s{left:18px;right:18px;height:10px;cursor:ns-resize}.thought-resize-n{top:-5px}.thought-resize-s{bottom:-5px}.thought-resize-e,.thought-resize-w{top:18px;bottom:18px;width:10px;cursor:ew-resize}.thought-resize-e{right:-5px}.thought-resize-w{left:-5px}.thought-resize-ne,.thought-resize-nw,.thought-resize-se,.thought-resize-sw{width:20px;height:20px}.thought-resize-ne{top:-5px;right:-5px;cursor:nesw-resize}.thought-resize-nw{top:-5px;left:-5px;cursor:nwse-resize}.thought-resize-se{bottom:-5px;right:-5px;cursor:nwse-resize}.thought-resize-sw{bottom:-5px;left:-5px;cursor:nesw-resize}.thought-resize-se:after{content:"";position:absolute;width:8px;height:8px;border:solid #a2b5c8;border-width:0 1.5px 1.5px 0;bottom:9px;right:9px;border-radius:0 0 2px 0}@media(max-width:650px){.thought-window-header{padding-left:12px;gap:5px}.thought-drag-handle{gap:7px}.thought-drag-handle small{max-width:150px}.thought-window-body{padding:12px 14px 9px}.thought-window-body>textarea{font-size:16px}.thought-window-footer{padding-left:13px;padding-right:13px}.thought-float-button{border-radius:16px}}@media(prefers-reduced-motion:reduce){.thought-float-button{transition:none}}.reading-type-control{position:relative;flex:none;margin:0;color:#536f8e}.reading-type-control>summary{display:flex;align-items:center;gap:4px;min-height:32px;padding:6px 7px;list-style:none;border:0;border-radius:6px;color:#536f8e;font:12px/1.5 Arial,Microsoft YaHei,sans-serif;white-space:nowrap;-webkit-user-select:none;user-select:none}.reading-type-control>summary::-webkit-details-marker{display:none}.reading-type-control>summary svg{width:12px;height:12px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round}.reading-type-control>summary:hover,.reading-type-control[open]>summary{background:#edf3fa;color:#153e6d}.reading-type-control>summary:focus-visible{outline:2px solid #315f91;outline-offset:2px}.reading-type-control[open]{z-index:8}.reading-type-popover{position:fixed;z-index:8;width:226px;padding:14px;border:1px solid #cbd8e6;border-radius:12px;background:#fffffff7;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 9px 30px #17395725;color:#405d79;text-align:left}.reading-type-popover>label{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:0 0 11px;font:12px/1.5 Arial,Microsoft YaHei,sans-serif}.reading-type-popover>label>select{display:block;width:149px;min-width:0;height:35px;margin:0;padding:6px 8px;border:1px solid #d3ddeb;border-radius:6px;background:#f8fafd;color:#294c71;font:13px/1.5 Arial,Microsoft YaHei,sans-serif}.reading-type-popover>button{display:block;width:100%;min-height:32px;margin:3px 0 0;padding:6px 8px!important;border:0!important;border-radius:6px;background:#edf3fa;font:12px/1.5 Arial,Microsoft YaHei,sans-serif!important;color:#486989!important;text-align:center}.reading-type-popover>button:hover{background:#e2ecf7}.reading-mark-controls>div{align-items:center}.reading-workspace .original-text.reading-source{font-family:var(--source-font,Arial,sans-serif);font-size:var(--source-size,20px)}.reading-workspace .original-text.reading-source>p:not(.original-instruction):not(.supplement){font-family:inherit;font-size:inherit}.reading-workspace .reading-original-question>ol,.reading-workspace .reading-original-question>p{font-family:var(--source-font,Arial,sans-serif);font-size:var(--source-size,20px)}.reading-workspace .original-text.reading-source>.supplement{font-family:inherit;font-size:calc(var(--source-size,20px) * .65)}.reading-workspace .reading-source .reading-break{font-family:inherit}.reading-type-content{font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px);line-height:1.9}.reading-type-content :is(.prose,.english-question,.option-translation,.source-quote,.bilingual-english,.bilingual-chinese,.note-invitation,.common-collocations,.vocabulary-passage,.mixed-passage,.note-editor,.student-note-content){font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px)}.reading-type-content .option-review .resource-heading>strong{font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px)}.reading-type-content :is(.english-question,.option-translation,.prose,.option-review .resource-heading>strong){min-width:0;overflow-wrap:anywhere}.reading-type-content .prose :is(strong,b){font-family:inherit;font-size:inherit;line-height:inherit;font-weight:700}.reading-type-content :is(.prose blockquote,.vocabulary-passage>p,.mixed-passage>p,.mixed-passage .vocab-target){font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px)}.reading-type-content :is(.guide-vocabulary>h3,.guide-translation h3,.result-part h3,.question-note-part>h3){font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px)}.reading-type-content .guide-location{font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:calc(var(--analysis-size,16px) * .875)}.reading-type-content :is(.guide-vocabulary-term,.teaching-word h4){font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:calc(var(--analysis-size,16px) * 1.375)}.reading-type-content .guide-vocabulary-head>.prose>p{font-size:var(--analysis-size,16px)}.reading-type-content .guide-collocations>li>.guide-collocation-english{font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:calc(var(--analysis-size,16px) * 1.0625)}.reading-type-content .guide-collocations>li>.prose>p{font-size:calc(var(--analysis-size,16px) * .9375)}.reading-type-content>textarea{font-family:var(--analysis-font,Georgia,"Times New Roman","Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif);font-size:var(--analysis-size,16px)}@media(max-width:800px){.reading-type-control>summary{font-size:11px;padding-left:5px;padding-right:5px}.reading-type-popover{max-width:calc(100vw - 40px)}}.student-assignments{max-width:1240px;margin:28px auto 0;padding:24px 0 8px}.assignment-section-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.assignment-section-heading h2{margin:0;font:700 25px/1.4 Arial,Microsoft YaHei,sans-serif}.assignment-section-heading .eyebrow{margin:0 0 7px}.assignment-card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.assignment-card{padding:22px 25px;border:1px solid #d4dfed;border-radius:12px;background:#fff}.assignment-card>div{display:flex;align-items:center;justify-content:space-between;gap:14px}.assignment-card small,.assignment-card>p{color:#778b9f;font-size:12px}.assignment-card h3{font:650 20px/1.6 Arial,Microsoft YaHei,sans-serif;margin:18px 0 12px;color:#183e67}.assignment-card .button{margin-top:12px}.assignment-status{font-size:12px;padding:4px 9px;border-radius:5px;color:#365b83;background:#edf3fa}.assignment-form,.assignment-history{background:#fff;border:1px solid #d4dfed;border-radius:12px;padding:26px 30px;margin:24px 0}.assignment-form>label{display:grid;gap:8px;font-size:14px;margin:20px 0}.assignment-form>label>input,.assignment-form>label>select{width:100%;max-width:760px}.assignment-form>fieldset{border:0;padding:0;margin:26px 0}.assignment-form legend{font-size:14px;margin-bottom:12px}.assignment-form>.muted{font-size:12px;line-height:1.8}.assignment-students{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:10px}.assignment-students>label{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid #d7e1ee;border-radius:8px;font-size:14px;cursor:pointer}.assignment-students>label:has(input:checked){background:#edf3fa;border-color:#91abc9}.assignment-students input{width:18px;height:18px;flex:none;margin:0;accent-color:#153e6d}.assignment-students small,.assignment-students strong{display:block}.assignment-students strong{font-weight:500}.assignment-students small{font-size:12px;color:#7d8da0;margin-top:4px}.assignment-success{background:#edf7f1;border:1px solid #c5dfd0;padding:14px 18px;border-radius:8px;color:#276447;font-size:14px}.assignment-history table{width:100%;border-collapse:collapse;text-align:left;font-size:14px}.assignment-history td,.assignment-history th{padding:13px 12px;border-bottom:1px solid #e4eaf2;line-height:1.7}.assignment-history small{color:#7b8fa4;font-size:12px}@media(max-width:800px){.student-assignments{margin-top:20px}.assignment-section-heading h2{font-size:22px}.assignment-card-grid{grid-template-columns:1fr}.assignment-form,.assignment-history{padding:20px 18px}.assignment-students{grid-template-columns:1fr}.assignment-teacher .teacher-title{flex-wrap:wrap}}.word-guidance{font-family:var(--font-sans,Arial,sans-serif);font-size:13px;line-height:1.6;margin:7px 0}.word-guidance-editor{display:flex;gap:5px;flex-wrap:wrap}.word-guidance-editor button{border:1px solid #ccdcdb;border-radius:5px;background:white;color:#49605e;padding:3px 8px;font-size:12px;cursor:pointer}.word-guidance-editor button[aria-pressed=true]{background:#e7f3ee;border-color:#27816d;color:#115b4d;font-weight:600}.word-guidance-editor button:disabled{opacity:.55}.word-importance{display:inline-block;border-radius:4px;padding:1px 6px;font-size:12px;font-weight:600;line-height:1.6;vertical-align:middle}.word-importance.important{color:#8b5014;background:#fff0d6}.word-importance.familiar{color:#42675d;background:#eef5f1}.word-importance.inline{font:11px/1.55 Arial,sans-serif;margin:0 3px}.word-frequency{margin:9px 0;color:#47635f}.word-frequency h3{font-size:13px;font-weight:600;line-height:1.6;margin:0 0 6px}.word-frequency p{font:14px/1.7 Arial,sans-serif!important;margin:8px 0!important}.word-frequency table{border-collapse:collapse;font:12px/1.6 Arial,sans-serif;width:100%;margin:8px 0}.word-frequency td,.word-frequency th{border-bottom:1px solid #dfebe7;text-align:left;padding:5px}.word-frequency small{display:block;font-size:11px;line-height:1.7;color:#70847e}.word-guidance-status{font:12px/1.6 Arial,sans-serif;display:flex;gap:8px;justify-content:space-between;flex-wrap:wrap;background:#f1f7f4;color:#477065;padding:8px 12px}.word-guidance-status [role=alert]{color:#9e3b2d}.teaching-term{display:inline;color:inherit!important;font:inherit!important;line-height:inherit!important;letter-spacing:inherit;border:0;background:none;padding:0;text-align:inherit;cursor:pointer}.teaching-term:focus-visible,.teaching-term:hover{text-decoration:underline;text-decoration-style:dotted;text-underline-offset:4px}.inline-teaching-word{font:inherit;color:inherit}.reread-meaning .word-frequency,.reread-meaning .word-guidance-editor{max-width:310px}