.eqb-quiz{max-width:760px;margin:20px auto;padding:20px;border:1px solid #ddd;border-radius:12px;background:#fff;box-sizing:border-box}
.eqb-btn{background:#2563eb;color:#fff;border:0;padding:12px 20px;border-radius:8px;cursor:pointer;font-size:16px}
.eqb-btn:hover{background:#1d4ed8}
.eqb-btn:disabled{opacity:.4;cursor:default}
.eqb-sec{background:#e5e7eb;color:#111}.eqb-sec:hover{background:#d1d5db}
.eqb-nav{display:flex;gap:10px;margin-top:16px}.eqb-nav .eqb-btn{flex:1}
.eqb-count{font-size:14px;color:#6b7280}
.eqb-pg{height:6px;background:#e5e7eb;border-radius:4px;margin:6px 0 14px}.eqb-pg i{display:block;height:100%;background:#2563eb;border-radius:4px;transition:width .2s}
.eqb-qtext{font-weight:600;margin:0 0 10px;font-size:1.05em}
.eqb-q{margin:18px 0;padding-bottom:14px;border-bottom:1px solid #eee}
.eqb-opt{display:block;padding:10px 12px;margin:6px 0;border:1px solid #ddd;border-radius:8px;cursor:pointer}
.eqb-opt.ok{background:#dcfce7;border-color:#22c55e}
.eqb-opt.bad{background:#fee2e2;border-color:#ef4444}
.eqb-timer{position:sticky;top:0;background:#fff;padding:6px 0;font-weight:700;text-align:right;color:#b91c1c}
.eqb-score{font-size:22px;font-weight:700;margin:6px 0 10px}
.eqb-exp{font-size:14px;color:#374151;margin-top:6px;background:#f3f4f6;padding:8px;border-radius:6px}
.eqb-img{max-width:100%;height:auto;border-radius:8px;margin:6px 0 10px;display:block}
.eqb-result{padding:14px;border-radius:10px;margin-bottom:10px}
.eqb-pass{background:#dcfce7;border:1px solid #22c55e}.eqb-fail{background:#fee2e2;border:1px solid #ef4444}
.eqb-verdict{font-weight:700;margin:4px 0}.eqb-sub{margin:4px 0;font-size:14px;color:#374151}
.eqb-topics{margin-top:18px;padding:14px;border:2px solid #f59e0b;border-radius:10px;background:#fffbeb}
.eqb-topics h4{margin:0 0 4px}
.eqb-topic{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-top:1px solid #fde68a}
.eqb-topic a{font-weight:600;color:#1d4ed8}.eqb-cnt{color:#b91c1c;font-weight:700;white-space:nowrap}
.eqb-oimg{display:block;max-width:100%;max-height:200px;height:auto;margin-top:6px;border-radius:6px}