:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#172033;background:#f6f8fb}body{margin:0}.english-top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;background:#fff;border-bottom:1px solid #e6edf5;position:sticky;top:0;z-index:2}.english-top a{text-decoration:none;color:#123878;font-weight:800}.english-shell{max-width:920px;margin:0 auto;padding:22px 14px 48px}.hero{padding:34px 4px 24px}.eyebrow{color:#0f8a4b;font-weight:900;letter-spacing:.02em}.hero h1,.score-card h1{font-size:34px;line-height:1.08;margin:8px 0 14px}.hero p{font-size:17px;line-height:1.65;color:#526071}.primary,.actions a,.actions button,.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;padding:13px 16px;background:#1768df;color:#fff;text-decoration:none;font-weight:900;font-size:16px}.panel{display:grid;gap:14px;background:#fff;border:1px solid #dbe7f7;border-radius:8px;padding:16px;box-shadow:0 10px 24px rgba(18,38,63,.06)}label{display:grid;gap:6px;font-weight:800}input,select,textarea{width:100%;box-sizing:border-box;border:1px solid #cbd8e8;border-radius:8px;padding:12px;font:inherit}textarea{min-height:120px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.cards article,.grid article{background:#fff;border:1px solid #dbe7f7;border-radius:8px;padding:14px}.cards b,.grid b{display:block;color:#123878;margin-bottom:6px}.cards span,.grid span{color:#64748b;line-height:1.5}.choice{font-weight:500;margin:8px 0}.score-card{background:#fff;border:1px solid #cfe2ff;border-radius:8px;padding:18px;box-shadow:0 16px 34px rgba(18,38,63,.10)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:16px 0}.metrics div{background:#eef6ff;border-radius:8px;padding:12px}.metrics b{display:block;font-size:24px;color:#123878}.metrics span{font-size:12px;color:#526071}.actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:16px}.hint{color:#64748b}table{width:100%;border-collapse:collapse;background:#fff}th,td{border:1px solid #e1e8f0;padding:8px;text-align:left;vertical-align:top;font-size:13px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.metric-grid article{background:#fff;border:1px solid #dbe7f7;border-radius:8px;padding:14px}.metric-grid b{font-size:26px;color:#123878}@media(max-width:720px){.hero h1,.score-card h1{font-size:28px}.grid,.metrics,.actions,.metric-grid{grid-template-columns:1fr}.english-shell{padding:16px 12px 36px}}

.quiz-panel{display:grid;gap:14px}.quiz-list{display:grid;gap:12px}.quiz-card{background:#fff;border:1px solid #dbe7f7;border-radius:8px;padding:14px;box-shadow:0 8px 18px rgba(18,38,63,.05)}.quiz-card h2{font-size:17px;line-height:1.45;margin:7px 0 12px;color:#172033;font-weight:850}.quiz-meta{display:inline-flex;max-width:100%;border-radius:999px;background:#eef6ff;color:#123878;padding:5px 9px;font-size:12px;font-weight:900;line-height:1.2}.choice-list{display:grid;gap:8px}.choice{display:grid;grid-template-columns:22px 28px 1fr;align-items:center;gap:9px;margin:0;padding:10px 11px;border:1px solid #dbe7f7;border-radius:8px;background:#fbfdff;font-weight:750;line-height:1.35}.choice input{width:20px;height:20px;margin:0;accent-color:#1768df}.choice-mark{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:999px;background:#eaf3ff;color:#123878;font-size:13px;font-weight:950}.choice:has(input:checked){border-color:#1768df;background:#eef6ff}.sticky-submit{position:sticky;bottom:12px;box-shadow:0 12px 24px rgba(23,104,223,.24)}
@media(max-width:720px){.quiz-card{padding:13px;border-radius:8px}.quiz-card h2{font-size:16px}.choice{grid-template-columns:22px 26px 1fr;padding:10px}.choice-mark{width:26px;height:26px}.sticky-submit{width:100%;min-height:48px}}

.speaking-panel{gap:16px}.recorder-box{display:grid;gap:12px;border:1px solid #dbe7f7;border-radius:8px;background:#fbfdff;padding:14px}.record-status{font-weight:900;color:#123878}.record-timer{font-size:42px;line-height:1;font-weight:950;color:#172033;text-align:center;font-variant-numeric:tabular-nums}.record-actions{display:grid;gap:10px}.secondary{display:inline-flex;align-items:center;justify-content:center;border:1px solid #c7d7eb;border-radius:8px;padding:13px 16px;background:#fff;color:#123878;text-decoration:none;font-weight:900;font-size:16px}.fallback-upload{display:grid;gap:12px;border-top:1px solid #e6edf5;padding-top:14px}.speaking-panel audio{width:100%}@media(max-width:720px){.record-timer{font-size:38px}.record-actions{grid-template-columns:1fr}.speaking-panel .primary,.speaking-panel .secondary{width:100%;min-height:50px}}
.speaking-prompt{border:1px solid #cfe2ff;background:#eef6ff;border-radius:8px;padding:12px;display:grid;gap:6px}.speaking-prompt b{color:#123878}.speaking-prompt span{line-height:1.55;color:#172033}textarea[readonly]{background:#f8fbff;color:#172033}
.upload-feedback{min-height:22px;font-weight:850;color:#123878}.upload-feedback.error{color:#b42318}

.landing-info-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:12px}.requirement-list{margin:10px 0 0;padding-left:18px;color:#526071;line-height:1.6}.requirement-list li{margin:6px 0}.requirement-list strong{color:#172033}.fine-print{margin:12px 0 0;color:#64748b;font-size:13px;line-height:1.5}@media(max-width:720px){.landing-info-grid{grid-template-columns:1fr}.requirement-list{font-size:14px;line-height:1.55}.fine-print{font-size:12px}}