body.bq-body{background:#f5f7fb}
.bq-main{padding:22px 0 40px}
.bq-head{text-align:center;margin:8px auto 16px;max-width:850px}
.bq-head h1{font-size:32px;line-height:1.25;margin:0;color:#173b70}
.bq-head p{margin:8px 0 0;color:#222}
.bq-kicker{color:#173b70;font:700 12px Arial,sans-serif;letter-spacing:.4px;text-transform:uppercase;margin:0 0 4px}
.bq-switch{margin-top:12px}
.bq-switch a,.bq-btn{display:inline-block;background:#173b70;color:#fff;border:0;border-radius:8px;padding:12px 16px;text-decoration:none;cursor:pointer;font:700 16px Arial,sans-serif}
.bq-btn{width:100%;max-width:850px;display:block;margin:4px auto 18px}
.bq-btn:hover,.bq-switch a:hover{background:#0f2c55}
.bq-btn-soft{background:#555555;width:auto;margin-top:14px}
.bq-btn-soft:hover{background:#444444}
.bq-card,.selector-card{background:#ffffff;border:1px solid #dddddd;border-radius:12px;padding:20px;margin:0 auto 14px;max-width:850px;box-shadow:0 3px 12px rgba(0,0,0,.08)}
.selector-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field-label{display:block;font-weight:bold;margin-bottom:8px;color:#173b70}
.bq-select{width:100%;padding:12px;border:1px solid #cccccc;border-radius:8px;font-size:16px;background:#ffffff;color:#222}
.bq-lang-grid,.bq-book-list,.bq-chapter-list{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:850px;margin:0 auto}
.bq-lang,.bq-book-list a,.bq-chapter-list a{display:block;text-decoration:none;color:inherit}
.bq-book-list a,.bq-chapter-list a{background:#ffffff;border:1px solid #dddddd;border-radius:10px;padding:14px}
.bq-book-list a:hover,.bq-chapter-list a:hover,.bq-option:hover{background:#eef4ff;border-color:#173b70}
.bq-lang b,.bq-book-list b,.bq-chapter-list b{display:block;font-size:20px;color:#173b70}
.bq-lang span,.bq-book-list span,.bq-chapter-list span{color:#222;font:14px Arial,sans-serif}
.bq-switch span,.bq-notice{display:block;background:#fff8e1;border:1px solid #f0d47a;border-radius:8px;padding:10px 12px;color:#222}
.bq-num{color:#173b70;font:700 13px Arial,sans-serif;margin-bottom:6px}
.bq-question{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:12px;color:#222}
.bq-option{display:flex;gap:10px;align-items:flex-start;padding:12px;margin:8px 0;border:1px solid #dddddd;border-radius:8px;cursor:pointer;background:#ffffff}
.bq-option input{margin-top:3px}
.bq-option.correct{background:#e8f8ed;border-color:#20a04b;color:#137333;font-weight:700}
.bq-option.wrong{background:#fdeaea;border-color:#dc3545;color:#b4232f;font-weight:700}
.bq-option.correct-answer{background:#e8f8ed;border-color:#20a04b}
.bq-status{margin-top:12px;padding:10px 12px;border-radius:8px;font-weight:700}
.correct-status{background:#e8f8ed;color:#137333}
.wrong-status{background:#fdeaea;color:#b4232f}
.bq-explain{margin-top:10px;padding:12px;background:#f5f7fb;border-radius:8px;line-height:1.6;font-size:14px;color:#222}
.bq-score{font-size:26px;font-weight:700;color:#173b70}
.bq-result{text-align:center}
.bq-crumbs{font:13px Arial,sans-serif;color:#222;margin:0 auto 12px;max-width:850px;text-align:center}
.bq-crumbs a{color:#173b70}
.bq-hud{max-width:850px;margin:0 auto 12px;text-align:center}
.bq-hud-row{display:flex;justify-content:space-between;gap:8px;font:700 14px Arial,sans-serif;color:#173b70;margin-bottom:6px}
.bq-low{color:#b4232f}
.bq-progress{height:8px;background:#eef4ff;border-radius:8px;overflow:hidden;margin:6px 0}
.bq-progress span{display:block;height:100%;width:0;background:#173b70}
.bq-timebar{background:#fdeaea}
.bq-timebar span{background:#173b70}
.share-box .btn.copy{background:#5c6570;color:#fff}
.bq-voice{max-width:850px;margin:0 auto 12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center;justify-content:center}
.bq-voice button,.bq-voice select{border:1px solid #173b70;background:#ffffff;color:#173b70;border-radius:8px;padding:8px 10px;font:700 14px Arial,sans-serif;cursor:pointer}
.bq-voice label{font:700 14px Arial,sans-serif;color:#173b70}
#scoreCard,.bq-share-card{width:min(100%,720px);height:auto;border-radius:18px;display:block;margin:14px auto;box-shadow:0 8px 24px rgba(23,59,112,.25)}
.bq-share-note{font:13px Arial,sans-serif;color:#222;margin:8px auto;max-width:850px}
@media(max-width:700px){
  .bq-head h1{font-size:24px}
  .selector-row,.bq-book-list,.bq-chapter-list{grid-template-columns:1fr}
  .bq-lang-grid{grid-template-columns:1fr 1fr;gap:8px}
  .bq-lang{padding:12px}
  .bq-lang b{font-size:16px}
  .bq-lang span{font-size:12px;line-height:1.35}
  .bq-hud-row{font-size:13px}
}

.bq-score-card{max-width:720px;margin:14px auto;padding:28px 18px;border-radius:18px;text-align:center;color:#fff;background:linear-gradient(120deg,#244e96,#7c3aed);box-shadow:0 8px 24px rgba(23,59,112,.25)}
.bq-score-top{font:500 16px Arial,sans-serif}
.bq-score-card h2{margin:10px 0;font-size:32px}
.bq-score-line{width:70%;height:2px;background:#fff;margin:8px auto 16px}
.bq-score-big{font:700 52px Arial,sans-serif}
.bq-score-pct{font:700 22px Arial,sans-serif;margin-top:6px}
.bq-score-stats{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin:18px auto;max-width:520px}
.bq-score-stats div{background:rgba(255,255,255,.18);border-radius:10px;padding:12px 6px}
.bq-score-stats b{display:block;font-size:28px}
.bq-score-stats span{font:14px Arial,sans-serif}
.bq-score-foot{font:14px Arial,sans-serif;margin-top:8px}