/* 课程列表：筛选条（与政策动态列表筛选条同视觉） */
.zhsl-subject-filter-row {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.zhsl-subject-filter-row .form-control {
  min-width: 150px;
}
.zhsl-subject-filter-row .zhsl-subject-search {
  min-width: 260px;
}
.zhsl-subject-filter-strip {
  margin-bottom: 20px;
}
.zhsl-subject-filter-strip .block-content {
  background: #fff;
  border: 1px solid var(--zhsl-border);
  border-radius: 10px;
  padding: 16px;
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.05);
}
.zhsl-subject-filter-title {
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 10px;
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px solid var(--zhsl-border);
}
.zhsl-subject-filter-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.zhsl-subject-filter-list .btn {
  border-radius: 6px;
}

/* 末行不足 3 个时保持左对齐（避免 flex 行内 justify-content:center 把单卡顶到中间） */
.zhsl-subject-grid.row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-content: flex-start;
}
.zhsl-subject-grid {
  margin-top: 0;
}
#main-container {
  background: #fff;
}
.zhsl-subject-card {
  border: 1px solid #e8edf5;
  border-radius: 10px;
  overflow: hidden;
  background: #fff;
  transition: all 0.2s ease;
  margin-bottom: 20px;
}
.zhsl-subject-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.08);
}
.zhsl-subject-cover {
  position: relative;
}
.zhsl-subject-cover img {
  width: 100%;
  height: 190px;
  object-fit: cover;
}
.zhsl-subject-body {
  padding: 14px;
}
.zhsl-subject-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  height: 48px;
  overflow: hidden;
  margin: 0 0 8px;
}
.zhsl-subject-title a {
  color: #111827;
}
.zhsl-subject-title a:hover {
  color: #2563eb;
}
.zhsl-subject-brief {
  color: #6b7280;
  min-height: 42px;
  margin: 0 0 10px;
}
.zhsl-subject-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 12px;
}
.zhsl-subject-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #f1f5f9;
  padding-top: 10px;
}
.zhsl-subject-price {
  font-size: 18px;
  font-weight: 700;
  color: #ef4444;
}
.zhsl-subject-price.is-free {
  color: #059669;
  font-size: 15px;
  font-weight: 600;
}
.zhsl-subject-action .btn {
  border-radius: 6px;
}
.zhsl-subject-card.is-mobile {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  margin-bottom: 12px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-cover {
  width: 128px;
  min-width: 128px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-cover img {
  height: 100%;
  min-height: 116px;
  object-fit: cover;
}
.zhsl-subject-card.is-mobile .zhsl-subject-body {
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  flex: 1;
  min-width: 0;
}
.zhsl-subject-card.is-mobile .zhsl-subject-title {
  font-size: 15px;
  height: auto;
  margin-bottom: 6px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-brief {
  display: none;
}
.zhsl-subject-card.is-mobile .zhsl-subject-meta {
  margin-bottom: 8px;
  font-size: 12px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-footer {
  margin-top: auto;
  padding-top: 8px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-price {
  font-size: 15px;
}
.zhsl-subject-card.is-mobile .zhsl-subject-action {
  margin-left: auto;
}
.zhsl-subject-card.is-mobile .zhsl-subject-action .btn {
  padding: 4px 10px;
  font-size: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  min-width: 78px;
}
@media (max-width: 767px) {
  .zhsl-subject-grid > [class*='col-'] {
    width: 100%;
    max-width: 100%;
    flex: 0 0 100%;
  }
  .zhsl-subject-cover img {
    height: 170px;
  }
}