.bank-main{max-width:800px;margin:auto;padding:38px 24px 42px}.bank-intro h1{font-size:clamp(34px,6vw,49px);margin:20px 0}.bank-intro h1 span{color:var(--primary)}.bank-lead{font-size:19px;line-height:1.7;color:var(--muted);margin:18px 0}.bank-status{font-size:16px;color:var(--muted);margin:20px 0}.bank-intro>.primary{width:100%}.bank-quiz-top{display:flex;align-items:center;gap:14px;margin:0 0 16px;font-size:15px;font-weight:800;color:var(--muted)}.bank-no-clock{margin-left:auto;color:#78601c;font-size:13px;padding:8px 12px;border-radius:20px;background:#fff5d9}.bank-meta{display:flex;flex-wrap:wrap;gap:10px;margin:26px 0 18px;font-size:13px;font-weight:750;color:var(--muted)}.bank-meta span{padding:7px 12px;background:#f2f6fc;border-radius:20px}.bank-context p,.bank-passage p{font-size:19px;line-height:1.75;margin:16px 0;overflow-wrap:anywhere}.bank-passage{padding:22px;background:#f3f7ff;border-left:4px solid #a4bade;border-radius:0 18px 18px 0;margin:24px 0}.bank-passage h2{font-size:20px}.bank-question{font-size:26px;line-height:1.4;margin:20px 0 24px;overflow-wrap:anywhere}.bank-choice{display:flex;align-items:center;gap:14px;min-height:68px;padding:17px;border:2px solid var(--line);border-bottom-width:5px;border-radius:18px;background:#fff;text-align:left;width:100%;font-size:19px;line-height:1.5;font-weight:650}.bank-choice>span:last-child{min-width:0;overflow-wrap:anywhere}.bank-letter{display:grid;place-items:center;width:32px;flex:0 0 32px;height:32px;border:1px solid var(--line);border-radius:10px;color:var(--muted);font-size:14px;font-weight:850}.bank-choice.selected{background:#edf3fe;border-color:#718db8}.bank-choice.correct{background:#e6f7ef;border-color:#21a082}.bank-choice.incorrect{background:#fff1ed;border-color:#d78e7b}.bank-choice:disabled{opacity:1}.bank-feedback{padding:24px;background:#eef8f3;border:1px solid #b0daca;border-radius:22px;margin:28px 0}.bank-feedback.is-error{background:#fff7e8;border-color:#e7cca0}.bank-feedback h2{font-size:23px;margin-bottom:14px}.bank-feedback p,.bank-feedback li,.bank-review p{font-size:18px;line-height:1.75;overflow-wrap:anywhere}.bank-feedback p{margin:14px 0}.bank-feedback ol{padding-left:24px}.bank-feedback summary{min-height:48px;cursor:pointer;font-size:17px;font-weight:800}.bank-feedback details{margin-top:18px;border-top:1px solid #cce2d6;padding-top:16px}.bank-learn{display:inline-flex;align-items:center;min-height:48px;margin-top:16px;font-size:17px;font-weight:800}.bank-actions{display:flex;gap:12px;margin:26px 0 18px}.bank-actions .primary{flex:1}.bank-actions .secondary{font-size:16px}.bank-sound{min-height:48px;padding:10px 14px;border:1px solid var(--line);border-radius:14px;background:var(--soft);font-size:15px;font-weight:750}.bank-result-top{text-align:center}.bank-result-top h1{font-size:36px;margin:20px 0}.bank-result-top>strong{display:inline-block;font-size:64px;color:#173e79;background:#edf3fe;border:6px solid #e2c573;border-radius:50%;width:170px;height:170px;line-height:158px;margin:16px 0}.bank-result-top>.primary,.bank-result-top>.secondary{width:100%;margin:8px 0}.bank-result-top .share-buttons{margin:20px 0}.bank-review-title{font-size:27px;margin:40px 0 20px}.bank-review{border:1px solid var(--line);border-radius:19px;padding:18px;margin:14px 0;background:#fafbfd}.bank-review summary{font-size:18px;font-weight:750;min-height:48px;cursor:pointer;overflow-wrap:anywhere}.bank-review h3{font-size:21px;line-height:1.5;margin:18px 0}.bank-review p{margin:14px 0}.bank-toast{position:fixed;left:50%;bottom:20px;transform:translate(-50%,30px);background:#17324e;color:white;padding:14px 18px;border-radius:15px;font-size:16px;max-width:calc(100% - 28px);width:max-content;opacity:0;pointer-events:none;z-index:60;transition:opacity .2s,transform .2s;overflow-wrap:anywhere}.bank-toast.is-visible{opacity:1;transform:translate(-50%,0)}@media(max-width:600px){.bank-main{padding:28px 20px 35px}.bank-intro h1{font-size:35px}.bank-question{font-size:24px}.bank-quiz-top{gap:10px}.bank-no-clock{font-size:11px;padding:7px 9px}.bank-choice{font-size:19px;padding:15px 13px}.bank-feedback{padding:20px 17px}.bank-actions{gap:9px;flex-wrap:wrap}.bank-actions .primary{font-size:17px;min-width:200px}.bank-actions .secondary{font-size:15px;flex:1}.bank-result-top h1{font-size:32px}}@media(prefers-reduced-motion:reduce){.bank-toast{transition:none}}
.bank-context .katex,.bank-question .katex,.bank-choice .katex,.bank-feedback .katex,.bank-review .katex{display:inline-block;max-width:100%;overflow-x:auto;overflow-y:hidden;vertical-align:middle}