/**
 * 课程列表页 — 对齐 coze 演示站 /courses
 */
.page-courses {
  --cp-primary: #4d7afc;
  --cp-accent: linear-gradient(90deg, #f59e0b, #ef4444);
  background: #f3f4f6;
  min-height: 60vh;
}

.page-courses .courses-breadcrumb {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}

.page-courses .courses-breadcrumb-inner {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 16px;
  font-size: 14px;
  color: #6b7280;
}

.page-courses .courses-breadcrumb-inner a {
  color: #6b7280;
  text-decoration: none;
}

.page-courses .courses-breadcrumb-inner a:hover {
  color: var(--cp-primary);
}

.page-courses .courses-breadcrumb-inner span.sep {
  margin: 0 8px;
  color: #d1d5db;
}

.page-courses .courses-breadcrumb-inner .current {
  color: #111827;
  font-weight: 500;
}

.page-courses .courses-main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px 0 48px;
}

.page-courses .courses-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}

.page-courses .courses-head h1 {
  margin: 0;
  font-size: 26px;
  font-weight: 800;
  color: #111827;
  letter-spacing: -0.02em;
}

.page-courses .courses-vip-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 40px;
  padding: 0 18px;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 700;
  color: #fff !important;
  text-decoration: none !important;
  background: var(--cp-accent);
  box-shadow: 0 6px 18px rgba(239, 68, 68, 0.28);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  white-space: nowrap;
}

.page-courses .courses-vip-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(239, 68, 68, 0.35);
}

.page-courses .courses-filter-card {
  margin-top: 70px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  padding: 16px 18px 18px;
  margin-bottom: 20px;
}

.page-courses .courses-filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: #374151;
  margin-bottom: 12px;
  font-size: 14px;
}

.page-courses .courses-filter-label svg {
  flex-shrink: 0;
  opacity: 0.7;
}

.page-courses .filterx-type .pid,
.page-courses .filterx-type .child,
.page-courses .filterx-type .sub-cate {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 10px;
  padding: 0;
}

.page-courses .filterx-type .child,
.page-courses .filterx-type .sub-cate {
  margin-top: 4px;
}

.page-courses .filterx-type ul.pid li,
.page-courses .filterx-type ul.child li,
.page-courses .filterx-type ul.sub-cate li {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 13px;
  font-weight: 500;
  color: #4b5563;
  background: #f3f4f6;
  cursor: pointer;
  border: none;
  transition: background 0.15s ease, color 0.15s ease;
  margin: 0;
}

.page-courses .filterx-type ul.pid li:hover,
.page-courses .filterx-type ul.child li:hover,
.page-courses .filterx-type ul.sub-cate li:hover {
  background: #e5e7eb;
}

.page-courses .filterx-type ul.pid li.active,
.page-courses .filterx-type ul.child li.active,
.page-courses .filterx-type ul.sub-cate li.active {
  background: var(--cp-primary) !important;
  color: #fff !important;
}

.page-courses .courses-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 20px;
}

.page-courses .courses-count {
  font-size: 14px;
  color: #6b7280;
}

.page-courses .courses-count strong {
  color: #111827;
  font-weight: 700;
}

.page-courses .courses-toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.page-courses .courses-sort-select {
  height: 38px;
  padding: 0 32px 0 12px;
  border-radius: 8px;
  border: 1px solid #e5e7eb;
  background: #fff;
  font-size: 13px;
  color: #374151;
  cursor: pointer;
}

.page-courses .courses-view-toggle {
  display: flex;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
}

.page-courses .courses-view-toggle button {
  width: 40px;
  height: 36px;
  border: none;
  background: #fff;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #6b7280;
  padding: 0;
}

.page-courses .courses-view-toggle button + button {
  border-left: 1px solid #e5e7eb;
}

.page-courses .courses-view-toggle button.active {
  background: #f3f4f6;
  color: #111827;
}

.page-courses .filterx-other {
  display: none;
}

.page-courses ul.course-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  list-style: none;
  margin: 0 0 40px;
  padding: 0;
  min-height: 200px;
}

.page-courses ul.course-list.view-list {
  display: block;
}

.page-courses ul.course-list.view-list .course-item {
  margin-bottom: 16px;
}

.page-courses ul.course-list.view-list .course-item > a {
  display: flex;
  flex-direction: row;
  align-items: stretch;
}

.page-courses ul.course-list.view-list .course-card-cover {
  width: 280px;
  max-width: 42%;
  flex-shrink: 0;
  aspect-ratio: 16/9;
}

.page-courses ul.course-list.view-list .course-card-body {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

@media (max-width: 1100px) {
  .page-courses ul.course-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .page-courses ul.course-list {
    grid-template-columns: 1fr;
  }
  .page-courses ul.course-list.view-list .course-item > a {
    flex-direction: column;
  }
  .page-courses ul.course-list.view-list .course-card-cover {
    width: 100%;
    max-width: none;
  }
}

.page-courses .course-item {
  margin: 0;
}

.page-courses .course-item > a {
  display: block;
  background: #fff;
  border: 1px solid #eef0f3;
  border-radius: 14px;
  overflow: hidden;
  text-decoration: none !important;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  height: 100%;
}

.page-courses .course-item > a:hover {
  box-shadow: 0 14px 36px rgba(15, 23, 42, 0.1);
  transform: translateY(-2px);
}

.page-courses .course-card-cover {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(135deg, #e0e7ff, #dbeafe);
  overflow: hidden;
}

.page-courses .course-card-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.page-courses .course-item > a:hover .course-card-cover img {
  transform: scale(1.05);
}

.page-courses .course-card-badges {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  pointer-events: none;
}

.page-courses .badge-hot {
  background: #eab308;
  color: #1f2937;
  font-size: 11px;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 6px;
}

.page-courses .badge-vip {
  background: #22c55e;
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 8px;
  border-radius: 6px;
}

.page-courses .course-card-mask {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.12);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.page-courses .course-item > a:hover .course-card-mask {
  opacity: 1;
}

.page-courses .course-card-mask img {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

.page-courses .course-tag-float {
  position: absolute;
  top: 10px;
  left: 10px;
  display: flex;
  gap: 6px;
  z-index: 2;
}

.page-courses .course-card-body {
  padding: 14px 16px 16px;
}

.page-courses .course-card-cate {
  font-size: 12px;
  color: #9ca3af;
  margin-bottom: 6px;
}

.page-courses .course-card-title {
  font-size: 15px;
  font-weight: 700;
  color: #111827;
  line-height: 1.45;
  margin: 0 0 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  border: 0;
}

.page-courses .course-item > a:hover .course-card-title {
  color: var(--cp-primary);
}

.page-courses .course-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px 16px;
  font-size: 13px;
  color: #6b7280;
  margin-bottom: 12px;
}

.page-courses .course-card-meta span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.page-courses .course-card-price-row {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-courses .course-card-price {
  font-size: 20px;
  font-weight: 800;
  color: #dc2626;
}

.page-courses .course-card-price .orig {
  font-size: 13px;
  font-weight: 500;
  color: #9ca3af;
  text-decoration: line-through;
  margin-left: 8px;
}

.page-courses .course-list .course-tag {
  position: absolute;
  top: auto;
  bottom: 10px;
  right: 10px;
}

.page-courses #page {
  text-align: center;
  margin: 8px 0 32px !important;
}

.page-courses .layui-laypage a,
.page-courses .layui-laypage span {
  border-radius: 8px !important;
}

.page-courses .nocourse {
  background: #fff;
  border-radius: 14px;
  border: 1px dashed #e5e7eb;
  padding: 48px 20px !important;
}