/* ============================================
   西兰卡普 - 视频欣赏页面样式
   ============================================ */

/* 视频播放器区域 */
.video-hero {
  background: linear-gradient(135deg, var(--primary-navy), #0d1a2d);
  padding: 0;
  position: relative;
  overflow: hidden;
}

.video-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.video-hero-content {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: var(--spacing-2xl);
  padding: var(--spacing-2xl);
  position: relative;
  z-index: 1;
}

.main-video {
  position: relative;
}

.main-video-player {
  width: 100%;
  aspect-ratio: 16/9;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 12px;
  display: block;
  object-fit: cover;
  position: relative;
}

.play-button {
  position: absolute;
  width: 80px;
  height: 80px;
  background: var(--accent-red);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 10px 40px rgba(196, 30, 58, 0.4);
  z-index: 10;
}

.play-button:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 50px rgba(196, 30, 58, 0.5);
}

.play-button svg {
  width: 30px;
  height: 30px;
  fill: white;
  margin-left: 5px;
}

.video-title {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  color: white;
  margin-top: var(--spacing-lg);
  letter-spacing: 0.05em;
}

.video-meta {
  display: flex;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-sm);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.9rem;
}

/* 视频列表侧边栏 */
.video-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  max-height: 500px;
  overflow-y: auto;
  padding-right: 8px;
}

/* 自定义滚动条 */
.video-sidebar::-webkit-scrollbar {
  width: 6px;
}

.video-sidebar::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 3px;
}

.video-sidebar::-webkit-scrollbar-thumb {
  background: rgba(201, 162, 39, 0.5);
  border-radius: 3px;
  transition: background 0.3s ease;
}

.video-sidebar::-webkit-scrollbar-thumb:hover {
  background: var(--accent-gold);
}

.video-sidebar {
  scrollbar-width: thin;
  scrollbar-color: rgba(201, 162, 39, 0.5) rgba(255, 255, 255, 0.05);
}

.video-list-item {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-sm);
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
}

.video-list-item:hover,
.video-list-item.active {
  background: rgba(255, 255, 255, 0.1);
}

.video-thumb {
  width: 140px;
  height: 80px;
  border-radius: 8px;
  overflow: hidden;
  flex-shrink: 0;
  position: relative;
}

.video-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-thumb .image-placeholder {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

.video-thumb .image-placeholder::before {
  font-size: 1.5rem;
}

.video-thumb .image-placeholder::after {
  font-size: 0.65rem;
}

.play-icon {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.play-icon svg {
  width: 12px;
  height: 12px;
  fill: white;
  margin-left: 2px;
}

.video-info h4 {
  font-size: 0.9rem;
  color: white;
  margin-bottom: 4px;
  line-height: 1.4;
}

.video-info span {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.6);
}

/* 视频分类 */
.video-categories {
  display: flex;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.video-category {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 12px 24px;
  background: var(--primary-navy);
  color: white;
  border-radius: 50px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: var(--transition);
}

.video-category:hover,
.video-category.active {
  background: var(--accent-red);
}

.video-category-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
}

.video-category-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* 视频网格 */
.video-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.video-card {
  background: var(--bg-white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.video-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

.video-card-image {
  width: 100%;
  height: 180px;
  position: relative;
}

.video-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-card-image .image-placeholder {
  width: 100%;
  height: 100%;
}

.video-card-image .image-placeholder::before {
  font-size: 2.5rem;
}

.video-card-image .image-placeholder::after {
  font-size: 0.7rem;
}

.video-card .play-button {
  width: 40px;
  height: 40px;
  box-shadow: 0 5px 20px rgba(196, 30, 58, 0.4);
  bottom: 10px;
  left: 10px;
}

.video-card .play-button svg {
  width: 14px;
  height: 14px;
  margin-left: 2px;
}

.video-card-info {
  padding: var(--spacing-md);
}

.video-card-info h3 {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--primary-navy);
  margin-bottom: 8px;
  letter-spacing: 0.03em;
}

.video-card-info p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 响应式 */
@media (max-width: 992px) {
  .video-hero-content {
    grid-template-columns: 1fr;
  }
  
  .video-sidebar {
    flex-direction: row;
    max-height: none;
    overflow-x: auto;
  }
  
  .video-list-item {
    flex-shrink: 0;
    width: 280px;
  }
  
  .video-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .video-grid {
    grid-template-columns: 1fr;
  }
}