/* pages/index/index.wxss */
page {
  padding: 0;
  margin: 0;
}

.container {
  min-height: 100vh;
  background: linear-gradient(180deg, #f8f9ff 0%, #f5f5f5 100%);
  padding-bottom: 20rpx;
  padding-top: 0;
  margin-top: 0;
}

/* 轮播图区域 */
.swiper-section {
  width: 100%;
  height: 400rpx;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  position: relative;
  overflow: hidden;
  padding-top: 0;
  transition: margin-top 0.3s ease;
}

.swiper {
  width: 100%;
  height: 100%;
}

.swiper-item {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.swiper-image {
  width: 100%;
  height: 100%;
  opacity: 0.7;
}

.swiper-content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 40rpx 30rpx 30rpx;
  background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.6) 100%);
  color: #fff;
}

.swiper-title {
  font-size: 36rpx;
  font-weight: 600;
  margin-bottom: 12rpx;
  text-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.swiper-author {
  font-size: 26rpx;
  opacity: 0.9;
  text-shadow: 0 2rpx 6rpx rgba(0, 0, 0, 0.3);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.search-bar {
  background: #fff;
  padding: 20rpx 30rpx 20rpx;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.08);
  padding-top: calc(20rpx + env(safe-area-inset-top));
}

.search-box {
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #f5f5f5 0%, #f0f0f0 100%);
  border-radius: 50rpx;
  padding: 22rpx 32rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  border: 2rpx solid transparent;
}

.search-box:active {
  transform: scale(0.98);
  box-shadow: 0 2rpx 12rpx rgba(102, 126, 234, 0.2);
  border-color: #667eea;
}

.search-placeholder {
  margin-left: 12rpx;
  font-size: 28rpx;
  color: #999;
  flex: 1;
}

.search-input-box {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.98);
  padding: 20rpx 30rpx;
  box-shadow: 0 2rpx 12rpx rgba(0, 0, 0, 0.08);
  position: fixed;
  top: calc(100rpx + env(safe-area-inset-top));
  left: 0;
  right: 0;
  z-index: 999;
}

.search-input {
  flex: 1;
  height: 64rpx;
  padding: 0 24rpx;
  background: #f5f5f5;
  border-radius: 32rpx;
  font-size: 28rpx;
  border: 2rpx solid transparent;
  transition: all 0.3s ease;
}

.search-input:focus {
  border-color: #667eea;
  background: #fff;
}

.search-cancel {
  margin-left: 20rpx;
  font-size: 28rpx;
  color: #667eea;
  font-weight: 500;
  padding: 8rpx 16rpx;
}

.type-tabs {
  display: flex;
  background: #fff;
  padding: 24rpx 30rpx;
  border-bottom: 1rpx solid rgba(0, 0, 0, 0.05);
  box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.03);
}

.type-tab {
  margin-right: 48rpx;
  font-size: 30rpx;
  color: #666;
  padding: 12rpx 0;
  position: relative;
  font-weight: 500;
  transition: all 0.3s ease;
}

.type-tab.active {
  color: #667eea;
  font-weight: 600;
}

.type-tab.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 6rpx;
  background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
  border-radius: 3rpx;
  animation: slideIn 0.3s ease;
}

@keyframes slideIn {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

.category-scroll {
  white-space: nowrap;
  background: #fff;
  padding: 24rpx 0;
  border-bottom: 1rpx solid rgba(0, 0, 0, 0.05);
}

.category-list {
  display: inline-flex;
  padding: 0 30rpx;
  gap: 20rpx;
}

.category-item {
  display: inline-block;
  padding: 12rpx 32rpx;
  font-size: 26rpx;
  color: #666;
  background: linear-gradient(135deg, #f5f5f5 0%, #f0f0f0 100%);
  border-radius: 32rpx;
  font-weight: 500;
  transition: all 0.3s ease;
  white-space: nowrap;
  border: 2rpx solid transparent;
}

.category-item.active {
  color: #fff;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  box-shadow: 0 4rpx 16rpx rgba(102, 126, 234, 0.3);
  transform: scale(1.05);
  border-color: rgba(255, 255, 255, 0.3);
}

/* 今日推荐区域 */
.recommended-section {
  background: #fff;
  margin: 24rpx 0;
  border-radius: 0;
  padding: 30rpx 20rpx;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.08);
  width: 100%;
  box-sizing: border-box;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24rpx;
}

.section-title {
  font-size: 32rpx;
  font-weight: 600;
  color: #1a1a1a;
}

.section-more {
  font-size: 26rpx;
  color: #999;
}

.recommended-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 20rpx;
}

.recommended-item {
  flex: 0 0 calc(50% - 10rpx); /* 每行2个，默认 */
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform 0.3s ease;
}

.recommended-item:active {
  transform: scale(0.95);
}

.recommended-cover-wrapper {
  width: 100%;
  aspect-ratio: 3/4;
  border-radius: 12rpx;
  overflow: hidden;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.12);
  margin-bottom: 12rpx;
  background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 100%);
}

.recommended-cover {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.recommended-item:active .recommended-cover {
  transform: scale(1.05);
}

.recommended-cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12rpx;
  box-sizing: border-box;
}

.recommended-cover-text {
  color: #fff;
  font-size: 20rpx;
  font-weight: 500;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}

.recommended-title {
  font-size: 24rpx;
  color: #333;
  font-weight: 500;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  width: 100%;
  line-height: 1.4;
}

/* 每行3个的样式 */
.recommended-grid.columns-3 .recommended-item {
  flex: 0 0 calc(33.333% - 14rpx);
}

.content-list {
  padding: 30rpx 24rpx;
}

.content-item {
  display: flex;
  background: #fff;
  border-radius: 20rpx;
  padding: 32rpx;
  margin-bottom: 24rpx;
  box-shadow: 0 4rpx 20rpx rgba(102, 126, 234, 0.08);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.content-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 6rpx;
  height: 100%;
  background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.content-item:active {
  transform: translateY(-4rpx);
  box-shadow: 0 8rpx 28rpx rgba(102, 126, 234, 0.15);
}

.content-item:active::before {
  opacity: 1;
}

.cover-wrapper {
  width: 180rpx;
  height: 240rpx;
  margin-right: 32rpx;
  flex-shrink: 0;
  border-radius: 12rpx;
  overflow: hidden;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.12);
}

.cover {
  width: 100%;
  height: 100%;
  transition: transform 0.3s ease;
}

.content-item:active .cover {
  transform: scale(1.05);
}

.cover-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  border-radius: 12rpx;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12rpx;
  box-sizing: border-box;
}

.cover-text {
  color: #fff;
  font-size: 22rpx;
  font-weight: 500;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  line-height: 1.4;
}

.content-info {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
}

.title {
  font-size: 34rpx;
  font-weight: 600;
  color: #1a1a1a;
  margin-bottom: 12rpx;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.4;
}

.author {
  font-size: 26rpx;
  color: #8a8a8a;
  margin-bottom: 14rpx;
  font-weight: 500;
}

.meta {
  display: flex;
  align-items: center;
  margin-bottom: 16rpx;
  flex-wrap: wrap;
  gap: 12rpx;
}

.meta text {
  font-size: 22rpx;
  color: #667eea;
  padding: 6rpx 14rpx;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
  border-radius: 12rpx;
  font-weight: 500;
}

.description {
  font-size: 26rpx;
  color: #666;
  line-height: 1.8;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

.loading {
  text-align: center;
  padding: 60rpx 40rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.loading text {
  font-size: 26rpx;
  color: #999;
  margin-top: 20rpx;
}

.loading::before {
  content: '';
  width: 40rpx;
  height: 40rpx;
  border: 4rpx solid #f0f0f0;
  border-top-color: #667eea;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.no-more {
  text-align: center;
  padding: 40rpx;
  font-size: 26rpx;
  color: #999;
  position: relative;
}

.no-more::before,
.no-more::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 80rpx;
  height: 1rpx;
  background: #e0e0e0;
}

.no-more::before {
  left: 20%;
}

.no-more::after {
  right: 20%;
}

.empty {
  text-align: center;
  padding: 200rpx 40rpx;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.empty::before {
  content: '📖';
  font-size: 120rpx;
  margin-bottom: 30rpx;
  opacity: 0.3;
}

.empty text {
  font-size: 28rpx;
  color: #999;
  line-height: 1.6;
}