/* 问答广场 · 基于 deepseek 参考稿，映射主题 CSS 变量 */

.qa-plaza-container {
  --qa-accent: var(--primary-color, #f58a3c);
  --qa-accent-2: var(--secondary-color, #f9b84a);
  --qa-surface: var(--card-bg, #fff);
  --qa-bg: var(--body-bg, #faf8f5);
  --qa-text: var(--gray-900, #1e1e2a);
  --qa-muted: var(--gray-500, #8e8a9b);
  --qa-border: var(--gray-100, #f0eef4);
  --qa-radius-lg: 24px;
  --qa-radius-md: 20px;
  --qa-radius-sm: 12px;
  --qa-shadow: var(--box-shadow-md, 0 2px 16px rgba(15, 23, 42, 0.04));
}

.qa-plaza-page,
.qa-detail-page,
.qa-ask-page {
  background: var(--qa-bg);
}

/* ===== 布局 ===== */

.qa-plaza-layout,
.qa-detail-layout,
.qa-ask-layout {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
}

.qa-plaza-sidebar {
  width: 260px;
  flex-shrink: 0;
  position: sticky;
  top: 1.5rem;
}

.qa-plaza-main,
.qa-detail-main,
.qa-ask-main {
  flex: 1;
  min-width: 0;
}

.qa-detail-sidebar,
.qa-ask-sidebar {
  width: 300px;
  flex-shrink: 0;
  position: sticky;
  top: 1.5rem;
}

/* Hero 使用主题统一 page-hero（见 themes/pet-knowledge/assets/css/03-content.css） */

/* ===== 侧边栏卡片 ===== */

.qa-sidebar-card {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-md);
  padding: 1.125rem 1rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.03);
  margin-bottom: 1rem;
}

.qa-sidebar-card__title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--qa-text);
  margin-bottom: 0.75rem;
}

.qa-sidebar-card__title i {
  color: var(--qa-accent);
}

.qa-sidebar-card__badge {
  margin-left: auto;
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--gray-100, #eae8f0);
  color: var(--qa-muted);
  padding: 0 0.65rem;
  border-radius: 999px;
  line-height: 1.6;
}

.qa-category-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.qa-category-list__item a {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-radius: var(--qa-radius-sm);
  color: var(--gray-700, #4a4758);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: background 0.2s, color 0.2s;
}

.qa-category-list__item a:hover {
  background: color-mix(in srgb, var(--qa-accent) 6%, transparent);
}

.qa-category-list__item.is-active a {
  background: color-mix(in srgb, var(--qa-accent) 10%, transparent);
  color: var(--qa-accent);
}

.qa-category-list__icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gray-100, #f3f1f6);
  color: var(--qa-muted);
  flex-shrink: 0;
}

.qa-category-list__item.is-active .qa-category-list__icon {
  background: color-mix(in srgb, var(--qa-accent) 15%, transparent);
  color: var(--qa-accent);
}

.qa-category-list__count {
  margin-left: auto;
  font-size: 0.75rem;
  color: var(--qa-muted);
  background: var(--gray-100, #f3f1f6);
  padding: 0 0.5rem;
  border-radius: 999px;
  line-height: 1.5;
}

.qa-category-list__item.is-active .qa-category-list__count {
  background: color-mix(in srgb, var(--qa-accent) 12%, transparent);
  color: var(--qa-accent);
}

.qa-filter-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.qa-filter-list__item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  border-radius: var(--qa-radius-sm);
  background: transparent;
  color: var(--gray-700, #4a4758);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.qa-filter-list__item:hover {
  background: color-mix(in srgb, var(--qa-accent) 6%, transparent);
  color: var(--qa-accent);
}

.qa-filter-list__item.is-active {
  background: color-mix(in srgb, var(--qa-accent) 10%, transparent);
  color: var(--qa-accent);
}

.qa-filter-list__item i {
  width: 22px;
  text-align: center;
  color: var(--qa-muted);
}

.qa-ask-mini-card {
  display: flex;
  align-items: center;
  gap: 0.875rem;
  background: linear-gradient(145deg, #fef7ed, #fef0e0);
  border-color: color-mix(in srgb, var(--qa-accent) 15%, transparent);
}

.qa-ask-mini-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--qa-accent-2), var(--qa-accent));
  color: #fff;
  flex-shrink: 0;
}

.qa-ask-mini-card__title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--qa-text);
}

.qa-ask-mini-card__sub {
  font-size: 0.8125rem;
  color: var(--qa-muted);
}

.qa-ask-mini-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 1rem;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--qa-accent-2), var(--qa-accent));
  color: #fff !important;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  box-shadow: 0 2px 10px color-mix(in srgb, var(--qa-accent) 25%, transparent);
}

/* ===== 工具栏 ===== */

.qa-plaza-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
  background: var(--card-bg, var(--qa-surface, #fff));
  border-radius: 18px;
  padding: 0.65rem 1rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.03);
}

.qa-plaza-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1 1 200px;
  min-width: 140px;
  background: var(--gray-100, #f3f1f6);
  border-radius: 999px;
  padding: 0 1rem;
  border: 1px solid transparent;
  box-shadow: none;
  transition: background 0.2s;
}

.qa-plaza-search:hover {
  border-color: transparent;
  box-shadow: none;
  outline: none;
}

.qa-plaza-search:focus-within {
  background: var(--gray-100, #f3f1f6);
  border-color: color-mix(in srgb, var(--qa-accent) 35%, var(--gray-200, #e5e7eb));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--qa-accent) 12%, transparent);
  outline: none;
}

.qa-plaza-search i {
  color: var(--qa-muted);
  font-size: 0.875rem;
}

.qa-plaza-search input,
.qa-plaza-search input[type='search'] {
  border: 0;
  background: transparent;
  padding: 0.55rem 0;
  width: 100%;
  outline: none;
  box-shadow: none;
  font-size: 0.875rem;
  color: var(--qa-text);
  -webkit-appearance: none;
  appearance: none;
}

.qa-plaza-search input:hover,
.qa-plaza-search input:focus,
.qa-plaza-search input:focus-visible,
.qa-plaza-search input[type='search']:hover,
.qa-plaza-search input[type='search']:focus,
.qa-plaza-search input[type='search']:focus-visible {
  border: 0;
  outline: none;
  box-shadow: none;
}

.qa-plaza-search input::-webkit-search-decoration,
.qa-plaza-search input::-webkit-search-cancel-button,
.qa-plaza-search input::-webkit-search-results-button,
.qa-plaza-search input::-webkit-search-results-decoration {
  -webkit-appearance: none;
  appearance: none;
}

.qa-plaza-view-toggle {
  display: flex;
  gap: 4px;
  border: 1.5px dashed var(--gray-300, #d6d2e0);
  border-radius: 999px;
  padding: 3px 4px;
}

.qa-plaza-view-toggle button {
  border: 0;
  background: transparent;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  font-size: 0.875rem;
  color: var(--qa-muted);
  cursor: pointer;
}

.qa-plaza-view-toggle button.is-active {
  background: var(--qa-accent);
  color: #fff;
  box-shadow: 0 2px 8px color-mix(in srgb, var(--qa-accent) 20%, transparent);
}

.qa-plaza-ask-btn,
.qa-btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.25rem;
  border-radius: 999px;
  border: 0;
  background: linear-gradient(135deg, var(--qa-accent-2), var(--qa-accent));
  color: #fff !important;
  font-weight: 600;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--qa-accent) 25%, transparent);
  transition: transform 0.2s, box-shadow 0.2s;
}

.qa-plaza-ask-btn:hover,
.qa-btn-submit:hover {
  transform: translateY(-2px);
  color: #fff;
}

.qa-btn-cancel {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 1.25rem;
  border-radius: 999px;
  border: 1.5px solid var(--gray-300, #dedbe8);
  background: transparent;
  color: var(--gray-700, #4a4758);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
}

/* ===== 列表卡片 ===== */

.qa-plaza-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.qa-plaza-cards--grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.qa-plaza-card {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-md);
  padding: 1.5rem 1.5rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.02);
  transition: border-color 0.25s, box-shadow 0.25s, transform 0.2s;
  cursor: pointer;
}

.qa-plaza-card:hover {
  border-color: color-mix(in srgb, var(--qa-accent) 15%, transparent);
  box-shadow: 0 6px 28px rgba(15, 23, 42, 0.06);
  transform: translateY(-2px);
}

.q-invite-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--gray-700, #4a4758);
  margin-bottom: 0.75rem;
}

.q-invite-row .invite-text {
  color: var(--qa-muted);
}

.qa-author-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.qa-author-chip__avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
}

.qa-author-chip__avatar--placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--gray-200, #eae8f0), var(--gray-300, #d6d2e0));
  color: var(--gray-700, #4a4758);
  font-size: 0.75rem;
  font-weight: 600;
}

.qa-author-chip__avatar--placeholder.is-admin {
  background: linear-gradient(135deg, var(--qa-accent-2), var(--qa-accent));
  color: #fff;
}

.qa-author-chip__name {
  font-weight: 600;
  color: var(--qa-text);
  font-size: 0.875rem;
}

.q-title {
  display: block;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--qa-text);
  text-decoration: none;
  line-height: 1.45;
  margin: 0.625rem 0;
}

.q-title:hover {
  color: var(--qa-accent);
}

.q-excerpt {
  font-size: 0.9375rem;
  color: var(--gray-600, #5e5a6e);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.7;
  margin: 0.15rem 0 0.5rem;
}

.q-footer,
.qd-footer {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--qa-border);
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--qa-muted);
}

.q-footer__tags,
.qd-footer__tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.q-footer .category-tag,
.qd-footer .category-tag,
.q-footer .qa-species-badge,
.qd-footer .qa-species-badge,
.q-footer .qa-tag-badge,
.qd-footer .qa-tag-badge {
  padding: 0.3125rem 0.875rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 500;
  line-height: 1.25;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--primary-color, #6366f1) 14%, var(--border-color, var(--gray-200, #e8e4ef)));
}

.q-footer .category-tag,
.qd-footer .category-tag,
.q-footer .qa-species-badge,
.qd-footer .qa-species-badge {
  background: var(--gray-100, #f3f1f6);
  color: var(--gray-700, #4a4758);
}

.q-footer a.qa-tag-badge,
.qd-footer a.qa-tag-badge {
  cursor: pointer;
}

.qa-species-badge--dog {
  background: #eef6ff;
  color: #2563eb;
}

.qa-species-badge--cat {
  background: #fff7ed;
  color: #ea580c;
}

.qa-species-badge--small {
  background: #f0fdf4;
  color: #16a34a;
}

.qa-species-badge--other {
  background: var(--gray-100, #f3f1f6);
  color: var(--gray-700, #4a4758);
}

.qa-tag-grid,
.qa-tag-filter-list,
.qa-tag-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.qa-tag-dimension + .qa-tag-dimension,
.qa-tag-dimension--form + .qa-tag-dimension--form {
  margin-top: 0.875rem;
}

.qa-tag-dimension__title,
.qa-filters-tags .qa-tag-dimension__title {
  margin-bottom: 0.45rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--text-muted, var(--gray-700, #4a4758));
}

.qa-tag-option input,
.qa-species-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.qa-tag-option__label,
.qa-tag-filter-list__item,
.qa-tag-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.875rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--primary-color, #6366f1) 14%, var(--border-color, var(--gray-200, #e8e4ef)));
  background: var(--card-bg, #fff);
  color: var(--text-color, var(--gray-700, #4a4758));
  font-size: 0.8125rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.qa-tag-filter-list__item:hover,
.qa-tag-option__label:hover {
  border-color: color-mix(in srgb, var(--primary-color, #6366f1) 35%, var(--border-color, var(--gray-200, #e8e4ef)));
  color: var(--primary-color, var(--qa-primary, #7c3aed));
}

.qa-tag-option input:checked + .qa-tag-option__label,
.qa-tag-filter-list__item.is-active,
.qa-species-option input:checked + .qa-species-option__label,
.qa-species-filter-list__item.is-active {
  border-color: var(--primary-color, var(--qa-primary, #7c3aed));
  background: color-mix(in srgb, var(--primary-color, var(--qa-primary, #7c3aed)) 10%, var(--card-bg, #fff));
  color: var(--primary-color, var(--qa-primary, #7c3aed));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--primary-color, var(--qa-primary, #7c3aed)) 12%, transparent);
}

.qa-tag-filter-clear,
.qa-tags-filter-card .qa-tag-filter-clear {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.8125rem;
  color: var(--text-muted, var(--gray-500, #6b6578));
  text-decoration: none;
}

.qa-tag-filter-clear:hover {
  color: var(--primary-color, var(--qa-primary, #7c3aed));
}

.qa-filters-tags {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border-color, var(--gray-200, #e8e4ef));
}

.qa-species-grid,
.qa-species-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.qa-species-filter-list {
  flex-direction: column;
  align-items: stretch;
}

.qa-species-group {
  width: 100%;
  margin-top: 0.25rem;
}

.qa-species-group__title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 0.35rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--gray-500, #6b6578);
  text-transform: none;
}

.qa-species-group__items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding-left: 0.25rem;
}

.qa-species-filter-list__item {
  padding-left: calc(0.875rem + var(--qa-species-depth, 0) * 0.75rem);
}

.qa-species-filter-list__item--group {
  font-weight: 600;
  color: var(--gray-800, #2f2b3a);
}

.qa-species-option {
  margin: 0;
}

.qa-species-option input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.qa-species-option__label,
.qa-species-filter-list__item {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.875rem;
  border-radius: 999px;
  border: 1px solid var(--gray-200, #e8e4ef);
  background: #fff;
  color: var(--gray-700, #4a4758);
  font-size: 0.8125rem;
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease, color 0.15s ease;
}

.qa-species-option input:checked + .qa-species-option__label,
.qa-species-filter-list__item.is-active {
  border-color: var(--primary-color, var(--qa-primary, #7c3aed));
  background: color-mix(in srgb, var(--primary-color, var(--qa-primary, #7c3aed)) 10%, var(--card-bg, #fff));
  color: var(--primary-color, var(--qa-primary, #7c3aed));
}

.qa-filters-species {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gray-200, #e8e4ef);
}

.qa-filters-species__title {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-600, #5f5b6d);
  margin-bottom: 0.625rem;
}

.q-footer .stats,
.qd-footer .stats {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.q-footer .dot,
.qd-footer .dot {
  color: var(--gray-300, #d6d2e0);
  font-size: 0.25rem;
}

.qa-plaza-search-meta {
  font-size: 0.875rem;
  color: var(--qa-muted);
  margin: -0.75rem 0 1rem;
}

.qa-plaza-sort-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  font-size: 0.875rem;
  color: var(--qa-muted);
  margin: -0.5rem 0 1rem;
}

.qa-plaza-sort-meta i {
  color: var(--qa-accent);
  margin-right: 0.25rem;
}

.qa-plaza-sort-meta a {
  color: var(--qa-accent);
  text-decoration: none;
  font-weight: 500;
}

.qa-plaza-sort-meta a:hover {
  text-decoration: underline;
}

.qa-plaza-search-meta a {
  margin-left: 0.5rem;
}

/* ===== 详情问题卡片 ===== */

.qa-question-detail-card {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.02);
  margin-bottom: 2rem;
}

.qd-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 1.5rem;
}

.qd-title {
  flex: 1;
  font-size: clamp(1.35rem, 3vw, 1.875rem);
  font-weight: 700;
  line-height: 1.35;
  margin: 0;
  color: var(--qa-text);
}

.qa-status-badge {
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.15rem 1rem;
  border-radius: 999px;
  line-height: 1.75;
}

.qa-status-badge--solved {
  background: #e8f5e9;
  color: #2d8f5c;
}

.qa-status-badge--pending {
  background: #fff3e0;
  color: #e67e22;
}

.qd-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  padding-bottom: 1rem;
}

.qd-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--gray-800, #2d2a3f);
  margin-bottom: 1rem;
}

.qa-answers-header h2 {
  font-size: 1.25rem;
    font-weight: 700;
  margin-bottom: 1.25rem;
  color: var(--qa-text);
}

.qa-answers-header__count {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--qa-muted);
}

.qa-answers-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2rem;
}

.qa-answer-card {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-md);
  padding: 1.375rem 1.75rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.02);
}

.qa-answer-card--best {
  border-top: 3px solid var(--qa-accent);
  background: color-mix(in srgb, var(--qa-accent) 4%, #fff);
}

.qa-answer-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.875rem;
  margin-bottom: 0.65rem;
}

.qa-answer-card__best {
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0 0.75rem;
  border-radius: 999px;
  line-height: 1.6;
  background: var(--qa-accent);
  color: #fff;
}

.qa-answer-card__time {
  margin-left: auto;
  color: var(--qa-muted);
  font-size: 0.8125rem;
}

.qa-answer-card__content {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--gray-800, #2d2a3f);
}

.qa-answers-empty {
  text-align: center;
  padding: 2rem 1rem;
  color: var(--qa-muted);
  margin-bottom: 1.5rem;
}

.qa-reply-section {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-lg);
  padding: 1.5rem 1rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.02);
}

.qa-reply-section__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--qa-text);
}

.qa-reply-section__title i {
  color: var(--qa-accent);
  margin-right: 0.35rem;
}

.qa-reply-textarea {
  min-height: 120px;
  border-radius: 16px !important;
  background: var(--qa-bg) !important;
}

.qa-reply-textarea:focus,
.qa-reply-textarea:focus-visible {
  outline: none;
  border-color: var(--qa-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--qa-accent) 8%, transparent);
  border-radius: 16px !important;
}

.qa-reply-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: 1rem;
}

.qa-reply-actions__info {
  font-size: 0.8125rem;
  color: var(--qa-muted);
}

.qa-reply-actions__buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

/* ===== 提问页 ===== */

.qa-ask-form-card {
  background: var(--qa-surface);
  border-radius: var(--qa-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--qa-shadow);
  border: 1px solid rgba(0, 0, 0, 0.02);
}

.qa-ask-form-card__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--qa-text);
}

.qa-ask-form-card__sub {
  font-size: 0.9375rem;
  color: var(--qa-muted);
  margin-bottom: 1.5rem;
}

.qa-ask-form__user {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 2.75rem;
  padding: 0.5rem 0.875rem;
  border-radius: var(--qa-radius, 12px);
  border: 1px solid var(--qa-border, rgba(0, 0, 0, 0.08));
  background: color-mix(in srgb, var(--qa-surface, #fff) 92%, var(--qa-muted, #888) 8%);
}

.qa-ask-form__user .comment-form__avatar {
  width: 2rem;
  height: 2rem;
  margin: 0;
}

.qa-ask-form__user .comment-form__nickname {
  font-weight: 600;
  color: var(--qa-text);
}

.qa-form-group {
  margin-bottom: 1.375rem;
}

.qa-form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 0.4rem;
  color: var(--qa-text);
}

.qa-form-group label .required {
  color: #e67e22;
}

.qa-form-group label .hint {
  font-weight: 400;
  font-size: 0.8125rem;
  color: var(--qa-muted);
  margin-left: 0.35rem;
}

.qa-form-group input[type='text'],
.qa-form-group textarea,
.qa-form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1.5px solid var(--gray-200, #eae8f0);
  border-radius: 14px;
  font-size: 0.9375rem;
  color: var(--qa-text);
  background: var(--qa-bg);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.qa-form-group input:focus,
.qa-form-group input:focus-visible,
.qa-form-group textarea:focus,
.qa-form-group textarea:focus-visible {
  outline: none;
  border-color: var(--qa-accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--qa-accent) 8%, transparent);
  background: #fff;
}

.qa-form-group input[type='text']:focus,
.qa-form-group input[type='text']:focus-visible,
.qa-form-group textarea:focus,
.qa-form-group textarea:focus-visible {
  border-radius: 14px;
}

.qa-char-count {
  text-align: right;
  font-size: 0.8125rem;
  color: var(--qa-muted);
  margin-top: 0.35rem;
}

.qa-textarea-wrap {
  position: relative;
}

.qa-textarea-wrap textarea {
  padding-bottom: 1.85rem;
  resize: vertical;
}

.qa-textarea-wrap .qa-char-count {
  position: absolute;
  right: 0.85rem;
  bottom: 1rem;
  margin-top: 0;
  pointer-events: none;
  line-height: 1;
}

.qa-char-count.warning .current {
  color: #e67e22;
}

.qa-char-count.danger .current {
  color: #e74c3c;
}

.qa-category-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.qa-category-option {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0.875rem;
  border: 1.5px solid var(--gray-200, #eae8f0);
  border-radius: var(--qa-radius-sm);
  background: var(--qa-bg);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

.qa-category-option input {
  accent-color: var(--qa-accent);
}

.qa-category-option.is-selected,
.qa-category-option:has(input:checked) {
  border-color: var(--qa-accent);
  background: color-mix(in srgb, var(--qa-accent) 6%, transparent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--qa-accent) 8%, transparent);
}

.qa-category-option__label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--gray-700, #4a4758);
}

.qa-category-option__label i {
  color: var(--qa-accent);
  margin-right: 0.25rem;
}

.qa-form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-top: 0.5rem;
}

.qa-form-actions__info {
  font-size: 0.8125rem;
  color: var(--qa-muted);
}

.qa-form-actions__buttons {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.qa-tip-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.qa-tip-list li {
  display: flex;
  gap: 0.75rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--qa-border);
  font-size: 0.875rem;
  color: var(--gray-700, #4a4758);
  line-height: 1.5;
}

.qa-tip-list li:last-child {
  border-bottom: 0;
}

.qa-tip-list__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--qa-accent) 12%, transparent);
  color: var(--qa-accent);
  font-weight: 700;
  font-size: 0.8125rem;
  flex-shrink: 0;
}

.qa-stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.65rem;
}

.qa-stat-grid__item {
  background: var(--qa-bg);
  border-radius: 14px;
  padding: 0.75rem 0.5rem;
  text-align: center;
}

.qa-stat-grid__number {
  font-size: 1.625rem;
  font-weight: 700;
  color: var(--qa-text);
  line-height: 1.2;
}

.qa-stat-grid__label {
  font-size: 0.8125rem;
  color: var(--qa-muted);
  margin-top: 0.15rem;
}

/* ===== 简码（保留） ===== */

.nova-qa-block { margin: 1.5rem 0; }
.nova-qa-item { border: 1px solid var(--border-color, #e5e7eb); border-radius: 8px; overflow: hidden; background: #fff; }
.nova-qa-item + .nova-qa-item { margin-top: 0.75rem; }
.nova-qa-question { display: flex; align-items: center; justify-content: space-between; gap: 1rem; width: 100%; padding: 1rem 1.25rem; border: 0; background: transparent; text-align: left; font-weight: 600; cursor: pointer; }
.nova-qa-answer { display: none; padding: 0 1.25rem 1.25rem; color: var(--gray-500); line-height: 1.7; }
.nova-qa-item.is-open .nova-qa-answer { display: block; }
.nova-qa-item.is-open .nova-qa-icon { transform: rotate(180deg); }
.nova-qa-icon { transition: transform 0.2s ease; }
.nova-qa-best-badge { display: inline-block; margin-bottom: 0.75rem; padding: 0.125rem 0.5rem; border-radius: 999px; font-size: 0.75rem; background: #dcfce7; color: #166534; }

/* ===== 响应式 ===== */

@media (max-width: 860px) {
  .qa-plaza-layout,
  .qa-detail-layout,
  .qa-ask-layout {
    flex-direction: column;
  }

  .qa-plaza-sidebar,
  .qa-detail-sidebar,
  .qa-ask-sidebar {
    width: 100%;
    position: static;
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .qa-plaza-sidebar .qa-sidebar-card,
  .qa-detail-sidebar .qa-sidebar-card,
  .qa-ask-sidebar .qa-sidebar-card {
    flex: 1 1 220px;
    margin-bottom: 0;
  }

  .qa-plaza-cards--grid {
    grid-template-columns: 1fr;
  }

  .qa-category-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .qa-plaza-toolbar {
    flex-direction: column;
    align-items: stretch;
  }

  .qa-plaza-view-toggle {
    align-self: center;
  }

  .qa-plaza-ask-btn {
    justify-content: center;
  }

  .qa-question-detail-card,
  .qa-ask-form-card,
  .qa-reply-section {
    padding: 1.125rem 1rem;
  }

  .q-footer,
  .qd-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .qa-form-actions,
  .qa-reply-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .qa-form-actions__buttons,
  .qa-reply-actions__buttons {
    flex-direction: column;
  }
}