.rb_exam_review { max-width: 900px; margin: 0 auto; padding: 20px 0 40px; }
.rb_exam_review .er_ad { margin-bottom: 24px; text-align: center; }
.rb_exam_review .er_title { font-size: 1.5em; margin-bottom: 8px; }
.rb_exam_review .er_desc { color: #666; margin-bottom: 24px; }
.rb_exam_review .er_admin_link { text-align: right; margin-bottom: 12px; }
.rb_exam_review .btn_admin { display: inline-block; padding: 6px 12px; font-size: 13px; border: 1px solid #ddd; border-radius: 4px; }
.rb_exam_review .er_empty { padding: 40px; text-align: center; color: #888; background: #f9f9f9; border-radius: 8px; }
.rb_exam_review .er_list { list-style: none; padding: 0; margin: 0; }
.rb_exam_review .er_list li { border-bottom: 1px solid #eee; }
.rb_exam_review .er_item { display: block; padding: 18px 8px; text-decoration: none; color: inherit; }
.rb_exam_review .er_item:hover { background: #f8fafc; }
.rb_exam_review .er_item strong { display: block; font-size: 1.1em; margin-bottom: 6px; }
.rb_exam_review .er_item_desc { display: block; color: #666; font-size: 0.95em; margin-bottom: 4px; }
.rb_exam_review .er_item_meta { font-size: 0.85em; color: #999; }

.rb_exam_review_view .er_header { margin-bottom: 28px; padding-bottom: 20px; border-bottom: 2px solid #09244B; }
.rb_exam_review_view .er_header h2 { font-size: 1.4em; margin-bottom: 10px; }
.rb_exam_review_view .er_intro { color: #444; line-height: 1.7; }
.rb_exam_review_view .er_login_notice { padding: 14px 16px; background: #fff8e6; border-radius: 6px; margin-bottom: 24px; }
.rb_exam_review_view .er_question { margin-bottom: 36px; padding: 24px; border: 1px solid #e5e7eb; border-radius: 10px; background: #fff; }
.rb_exam_review_view .er_q_head,
.rb_exam_review_view .er_a_head { display: flex; gap: 10px; align-items: flex-start; margin-bottom: 12px; }
.rb_exam_review_view .er_q_no,
.rb_exam_review_view .er_a_no { flex-shrink: 0; display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 32px; padding: 0 8px; line-height: 1; text-align: center; background: #09244B; color: #fff; border-radius: 6px; font-size: 14px; box-sizing: border-box; }
.rb_exam_review_view .er_q_head h3,
.rb_exam_review_view .er_a_text { flex: 1; margin: 0; font-size: 1.1em; line-height: 1.5; color: #222; word-break: break-word; }
.rb_exam_review_view .er_admin_answers { margin-bottom: 16px; }
.rb_exam_review_view .er_a_block { margin-bottom: 12px; }
.rb_exam_review_view .er_a_block:last-child { margin-bottom: 0; }
.rb_exam_review_view .er_a_block .er_a_head { margin-bottom: 0; }
.rb_exam_review_view .er_q_body { margin-bottom: 16px; padding: 12px 14px; background: #f9fafb; border-radius: 6px; line-height: 1.7; color: #333; white-space: pre-wrap; }
.rb_exam_review_view .er_answer_form textarea { width: 100%; box-sizing: border-box; padding: 12px; border: 1px solid #ddd; border-radius: 6px; resize: vertical; font-family: inherit; line-height: 1.6; }
.rb_exam_review_view .er_admin_only { background: #f3f4f6; color: #444; }
.rb_exam_review_view .er_blocked { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.rb_exam_review_view .er_form_btns { margin-top: 10px; display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.rb_exam_review_view button.btn_submit,
.rb_exam_review_view button.btn_add_answer,
.rb_exam_review_view button.btn_toggle_answers,
.rb_exam_review_view button.btn_cancel { appearance: none; -webkit-appearance: none; margin: 0; font-family: inherit; line-height: 1.2; box-sizing: border-box; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; border-radius: 5px; transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease; }
.rb_exam_review_view button.btn_submit { min-height: 32px; padding: 0 14px; background: #09244B; color: #fff; border: none; }
.rb_exam_review_view button.btn_submit:hover { background: #0c2d66; color: #fff; }
.rb_exam_review_view .er_add_answer_wrap { margin-top: 20px; padding-top: 20px; border-top: 1px dashed #e5e7eb; }
.rb_exam_review_view button.btn_add_answer { min-height: 32px; padding: 0 14px; background: #09244B; color: #fff; border: none; }
.rb_exam_review_view button.btn_add_answer:hover { background: #0c2d66; color: #fff; }
.rb_exam_review_view button.btn_cancel { min-height: 32px; padding: 0 14px; background: #fff; color: #09244B; border: 1px solid #09244B; }
.rb_exam_review_view button.btn_cancel:hover { background: #f0f4fa; color: #09244B; border-color: #09244B; }
.rb_exam_review_view button.btn_toggle_answers { flex-shrink: 0; min-height: 32px; padding: 0 14px; background: #fff; color: #09244B; border: 1px solid #09244B; font-size: 13px; }
.rb_exam_review_view button.btn_toggle_answers:hover { background: #f0f4fa; }
.rb_exam_review_view .er_answers { margin-top: 20px; }
.rb_exam_review_view .er_answers_head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; }
.rb_exam_review_view .er_answers_head h4 { margin: 0; font-size: 1em; }
.rb_exam_review_view .er_answers h4 span { color: #888; font-weight: normal; }
.rb_exam_review_view .er_answers_panel { padding-top: 4px; border-top: 1px dashed #eee; }
.rb_exam_review_view .er_answers ul { list-style: none; padding: 0; margin: 0; }
.rb_exam_review_view .er_answers li { padding: 14px 0; border-bottom: 1px solid #f0f0f0; }
.rb_exam_review_view .er_answers li.is_mine { background: #f8fafc; padding-left: 10px; padding-right: 10px; border-radius: 6px; }
.rb_exam_review_view .er_ans_meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; font-size: 0.9em; }
.rb_exam_review_view .er_ans_meta span { color: #999; }
.rb_exam_review_view .er_badge { font-style: normal; font-size: 11px; padding: 2px 8px; border-radius: 10px; background: #eee; color: #666; }
.rb_exam_review_view .er_badge.mine { background: #dbeafe; color: #1d4ed8; }
.rb_exam_review_view .er_ans_content { line-height: 1.7; color: #333; }
.rb_exam_review_view .er_answers_empty { color: #999; font-size: 0.95em; }
.rb_exam_review_view .er_back { margin-top: 20px; }
.rb_exam_review_view .btn_list { display: inline-block; padding: 10px 18px; border: 1px solid #ddd; border-radius: 6px; }

@media (max-width: 768px) {
    .rb_exam_review_view .er_question { padding: 16px; }
    .rb_exam_review_view .er_answers_head { flex-wrap: wrap; }
}