.eureka-shell{max-width:900px;margin:0 auto;padding:8px 0 40px}.eureka-hero{display:flex;gap:24px;align-items:center;justify-content:space-between;padding:26px;border:1px solid #ddd;border-radius:18px;background:#fff}.eureka-kicker{font-size:12px;letter-spacing:.16em;font-weight:700;opacity:.55}.eureka-hero h1{font-size:34px;margin:6px 0}.eureka-hero p{margin:0;opacity:.72}.eureka-primary{border:0;border-radius:12px;padding:14px 20px;font-weight:700;font-size:16px;cursor:pointer;background:#111;color:#fff}.eureka-primary.as-link{display:inline-block;text-decoration:none}.eureka-stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:16px 0}.eureka-stat{border:1px solid #ddd;border-radius:14px;padding:16px;background:#fff}.eureka-stat span{display:block;font-size:12px;opacity:.6}.eureka-stat strong{font-size:26px;margin-right:4px}.eureka-stat small{opacity:.65}.eureka-panel{border:1px solid #ddd;border-radius:16px;padding:20px;background:#fff}.eureka-panel h2{margin-top:0}.eureka-volume-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid #eee}.eureka-volume-row:first-of-type{border-top:0}.eureka-volume-row strong{display:block}.eureka-volume-row span{font-size:12px;opacity:.55}.eureka-note{font-size:12px;opacity:.55;margin-top:14px}.eureka-study-shell{max-width:820px}.eureka-study-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.eureka-badge{display:inline-block;padding:5px 9px;border-radius:999px;background:#111;color:#fff;font-size:12px;font-weight:700}.eureka-badge.secondary{background:#555}.eureka-badge.ghost{background:#eee;color:#333}.eureka-small{font-size:13px;opacity:.6}.eureka-context{font-size:14px;opacity:.75;margin:8px 0}.eureka-goal{padding:10px 12px;border-left:4px solid #999;background:#f5f5f5;margin:10px 0}.eureka-image-wrap{margin:16px auto;text-align:center}.eureka-image-wrap img{max-width:100%;max-height:620px;border-radius:10px;border:1px solid #ddd}.eureka-question{font-size:24px;font-weight:700;line-height:1.55;margin:22px 0}.eureka-question.compact{font-size:20px}.eureka-choices{display:grid;gap:10px}.eureka-choice{display:flex;gap:12px;align-items:flex-start;padding:14px;border:1px solid #d7d7d7;border-radius:12px;background:#fff;cursor:pointer;line-height:1.5}.eureka-choice:hover{border-color:#888}.eureka-choice input{margin-top:5px}.eureka-choice-letter{font-weight:800;min-width:18px}.eureka-submit{width:100%;margin-top:16px}.eureka-result-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-radius:14px;margin-bottom:16px}.eureka-result-head.ok{background:#edf8ef}.eureka-result-head.ng{background:#fff1f0}.eureka-result-head strong{font-size:22px}.eureka-answer-box,.eureka-wrong-box,.eureka-explanation{border:1px solid #ddd;border-radius:14px;padding:18px;margin:14px 0;background:#fff}.eureka-answer-box .label,.eureka-wrong-box .label{font-size:12px;font-weight:700;opacity:.55;margin-bottom:5px}.eureka-answer-box .answer{font-size:20px;font-weight:700}.eureka-wrong-box p{margin-bottom:0;opacity:.75}.eureka-explanation h2{font-size:16px;margin-top:0}.eureka-explanation details{margin-top:12px}.eureka-next-actions{display:flex;gap:14px;align-items:center;margin-top:18px}.eureka-secondary-link{text-decoration:none;font-weight:700}.eureka-secondary-link:hover{text-decoration:underline}@media(max-width:700px){.eureka-hero{display:block;padding:18px}.eureka-hero form{margin-top:18px}.eureka-primary{width:100%}.eureka-stat-grid{grid-template-columns:repeat(2,1fr)}.eureka-volume-row{display:block}.eureka-volume-row>div:last-child{margin-top:5px}.eureka-question{font-size:20px}.eureka-choice{padding:12px}.eureka-next-actions{display:block}.eureka-next-actions .eureka-secondary-link{display:block;text-align:center;margin-top:16px}}

/* EUREKA_MOBILE_CHOICE_FIX_V1 */
.eureka-choice {
  display: grid !important;
  grid-template-columns: 22px 24px minmax(0, 1fr) !important;
  column-gap: 9px !important;
  align-items: start !important;
  width: 100% !important;
  max-width: 100% !important;
  box-sizing: border-box !important;
}

.eureka-choice input[type="radio"] {
  width: 22px !important;
  min-width: 22px !important;
  max-width: 22px !important;
  height: 22px !important;
  min-height: 22px !important;
  max-height: 22px !important;
  margin: 2px 0 0 0 !important;
  padding: 0 !important;
}

.eureka-choice-letter {
  width: 24px !important;
  min-width: 24px !important;
  max-width: 24px !important;
  line-height: 1.55 !important;
}

.eureka-choice > span:last-child {
  min-width: 0 !important;
  width: auto !important;
  max-width: 100% !important;
  white-space: normal !important;
  overflow-wrap: anywhere !important;
  word-break: normal !important;
}

@media (max-width: 700px) {
  .eureka-study-shell {
    width: 100% !important;
    max-width: none !important;
    overflow-x: hidden !important;
  }

  .eureka-choices {
    width: 100% !important;
    max-width: 100% !important;
  }

  .eureka-choice {
    grid-template-columns: 22px 22px minmax(0, 1fr) !important;
    column-gap: 8px !important;
    padding: 13px 12px !important;
    min-height: 52px !important;
    font-size: 16px !important;
    line-height: 1.55 !important;
  }

  .eureka-question {
    font-size: 21px !important;
    line-height: 1.5 !important;
    margin: 18px 0 !important;
  }
}