/* 产品服务页 - 两行两列协调版 */
.product-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Banner 区域保持不变 */
.product-banner {
  height: 280px;
  position: relative;
  overflow: hidden;
  margin-bottom: 60px;
  background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url(images/product-banner.jpg) center/cover no-repeat;
}
body.night-mode .product-banner {
  background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url(images/product-banner-night.jpg) center/cover no-repeat;
}
.product-banner-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: #fff;
}
.product-banner-text h1 {
  font-size: 36px;
  margin-bottom: 16px;
  letter-spacing: 3px;
  font-weight: 700;
}
.product-banner-text p {
  font-size: 20px;
  opacity: 0.9;
}

/* 核心：两行两列网格布局，整体居中、间距优雅 */
.product-card-wrapper {
  display: grid;
  grid-template-columns: repeat(2, 1fr); /* 固定两列 */
  gap: 40px 30px; /* 上下间距 40px，左右间距 30px */
  margin-bottom: 50px;
  max-width: 1100px; /* 限制最大宽度，避免过宽 */
  margin-left: auto;
  margin-right: auto;
}

/* 卡片整体：圆角更大、阴影柔和、hover 提升层次感 */
.product-card-item {
  background: #ffffff;
  border-radius: 20px; /* 更大的圆角，更现代 */
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.06); /* 柔和阴影 */
  overflow: hidden;
  transition: all 0.3s ease;
}
body.night-mode .product-card-item {
  background-color: #2C3036;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

/* hover 效果：轻微上浮 + 阴影加深 */
.product-card-item:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(22, 93, 255, 0.1);
}
body.night-mode .product-card-item:hover {
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.35);
}

/* 图片容器：固定高度、图片覆盖更饱满 */
.product-card-img-box {
  height: 220px; /* 固定图片高度，更统一 */
  overflow: hidden;
}
.product-card-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* 保证图片不拉伸 */
  transition: transform 0.5s ease;
}
.product-card-item:hover .product-card-img-box img {
  transform: scale(1.05); /* 轻微缩放，增强动感 */
}

/* 内容区域：文字排版更舒适、间距合理 */
.product-card-content {
  padding: 24px 20px; /* 上下内边距 24px，左右 20px */
  text-align: center;
}

/* 标题：加粗、间距适中 */
.product-card-title {
  font-size: 20px;
  color: #1d2129;
  margin-bottom: 8px;
  font-weight: 600;
  letter-spacing: 0.5px;
}
body.night-mode .product-card-title {
  color: #ffffff;
}

/* 描述：灰色、行高舒适 */
.product-card-desc {
  font-size: 14px;
  color: #6e7681; /* 更柔和的灰色 */
  margin-bottom: 20px;
  line-height: 1.6;
}
body.night-mode .product-card-desc {
  color: #b0b8c1;
}

/* 标签：如果保留，浅蓝背景更柔和 */
.product-card-tag {
  display: inline-block;
  padding: 5px 14px;
  background-color: #e8f0ff;
  color: #165dff;
  border-radius: 20px;
  font-size: 12px;
  margin-bottom: 18px;
}
body.night-mode .product-card-tag {
  background-color: #1e293b;
  color: #60a5fa;
}

/* 按钮：圆角更大、 padding 舒适、 hover 颜色更协调 */
.product-card-link {
  display: inline-block;
  padding: 10px 22px;
  background-color: #165dff;
  color: #ffffff;
  border-radius: 10px; /* 大圆角，更现代 */
  font-size: 14px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}
.product-card-link:hover {
  background-color: #0d47a1; /* 更深的蓝色 */
  transform: translateY(-2px);
}

/* 分页导航：居中、间距舒适 */
.product-page-nav {
  text-align: center;
  padding: 20px 0 40px;
}

/* 分页按钮：圆角、 padding 协调 */
.kun-page-link {
  display: inline-block;
  padding: 10px 18px;
  margin: 0 6px;
  border-radius: 8px;
  background: #ffffff;
  color: #4e5969;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 14px;
  text-decoration: none;
}
body.night-mode .kun-page-link {
  background-color: #2C3036;
  color: #E5E6EB;
}

.kun-page-link.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.kun-page-link.active {
  background-color: #165dff;
  color: #ffffff;
}

.kun-page-link:hover:not(.disabled):not(.active) {
  background-color: #f0f7ff;
  color: #165dff;
}

.product-page-nav span {
  display: inline-block;
  padding: 10px 10px;
  margin: 0 6px;
  color: #4e5969;
  font-size: 14px;
}
body.night-mode .product-page-nav span {
  color: #E5E6EB;
}

/* 移动端适配：单列、间距缩小 */
@media (max-width: 768px) {
  .product-banner {
    height: 200px;
    margin-bottom: 40px;
  }
  .product-banner-text h1 {
    font-size: 28px;
  }
  .product-banner-text p {
    font-size: 16px;
  }

  .product-card-wrapper {
    grid-template-columns: 1fr; /* 移动端单列 */
    gap: 25px; /* 缩小间距 */
    margin-bottom: 30px;
  }

  .product-card-img-box {
    height: 180px;
  }

  .product-card-content {
    padding: 20px 16px;
  }

  .kun-page-link {
    padding: 8px 14px;
    margin: 0 4px;
  }
}