body {
  background: RGBA(247, 249, 250, 1);
}

.news-detail-page {
  display: flex;
  justify-content: space-between;
  padding: 85px 0 157px;
}

.news-detail-page .news-detail-main {
  width: 64.28%;
}

.news-detail-page .news-detail-title {
  color: #222222;
  line-height: 1.6;
  font-weight: normal;
}

.news-detail-page .news-detail-date {
  display: block;
  margin-top: 22px;
  font-weight: 400;
  font-size: 18px;
  color: #666666;
}

.news-detail-page .news-detail-body {
  margin-top: 29px;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 30px;
}

.news-detail-page .news-detail-body * {
  all: revert;
}

.news-detail-page .news-detail-body img {
  max-width: 100%;
  display: block;
  margin: 0 auto;
}

.news-detail-page .news-detail-img {
  width: 100%;
  height: auto;
  display: block;
}

.news-detail-page .news-detail-footer {
  margin-top: 32px;
}

.news-detail-page .news-detail-nav {
  margin-top: 20px;
}

.news-detail-page .news-detail-nav-item {
  line-height: 80px;
  background: #FFFFFF;
  border-radius: 5px;
  padding: 0 28px;
  font-weight: 400;
  font-size: 16px;
  color: #222222;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all .6s;
}

.news-detail-page .news-detail-nav-item:not(:last-child) {
  margin-bottom: 10px;
}

.news-detail-page .news-detail-nav-item:hover {
  color: #2b66ff;
}


.news-detail-page .news-detail-sidebar {
  width: 30.71%;
}

.news-detail-page .sidebar-title {
  font-weight: bold;
  color: #222222;
  line-height: 1;
  position: relative;
}

.news-detail-page .sidebar-list {
  margin-top: 36px;
}

.news-detail-page .sidebar-item {
  background: #FFFFFF;
  border-radius: 10px;
  display: block;
}

.news-detail-page .sidebar-item:not(:last-child) {
  margin-bottom: 22px;
}

.news-detail-page .sidebar-item-thumb {
  width: 100%;
  aspect-ratio: 430/240;
  border-radius: 10px;
}

.news-detail-page .sidebar-item-img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.news-detail-page .sidebar-item .text-box {
  padding: 23px 28px;
}

.news-detail-page .sidebar-item-title {
  font-weight: bold;
  font-size: 18px;
  color: #222222;
  line-height: 30px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: all .6s;
}

.news-detail-page .sidebar-item:hover .sidebar-item-title {
  color: #2b66ff;
}

.news-detail-page .sidebar-item-link {
  color: #333333;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.news-detail-page .sidebar-item-link:hover {
  color: #2b66ff;
}

.news-detail-page .sidebar-item-date {
  font-weight: 400;
  font-size: 18px;
  color: #666666;
  line-height: 1;
  margin-top: 35px;
}

/* ==========================================================================
   追加到 details.css 的响应式媒体查询（新闻详情与侧边栏深度优化）
   ========================================================================== */

@media (max-width: 1199px) {

  /* 1. 详情页面外围 */
  .news-detail-page {
    padding: 60px 0 100px;
  }

  /* 2. 主文章区域 */
  .news-detail-page .news-detail-title {
    font-size: 26px;
    /* 缩减主标题字号 */
  }

  .news-detail-page .news-detail-date {
    margin-top: 18px;
    font-size: 16px;
  }

  .news-detail-page .news-detail-body {
    margin-top: 24px;
    line-height: 28px;
  }

  .news-detail-page .news-detail-footer {
    margin-top: 25px;
  }

  .news-detail-page .news-detail-nav-item {
    line-height: 60px;
    /* 缩减翻页按钮高度 */
    padding: 0 20px;
    font-size: 15px;
  }

  /* 3. 侧边栏相关推荐 */
  .news-detail-page .sidebar-title {
    font-size: 24px;
  }

  .news-detail-page .sidebar-list {
    margin-top: 25px;
  }

  .news-detail-page .sidebar-item .text-box {
    padding: 18px 20px;
  }

  .news-detail-page .sidebar-item-date {
    margin-top: 20px;
    font-size: 16px;
  }
}

@media (max-width: 1024px) {
  .news-detail-page {
    padding: 50px 0 80px;
  }

  .news-detail-page .news-detail-main {
    width: 62%;
    /* 微调主体比例，腾出更多呼吸空间 */
  }

  .news-detail-page .news-detail-sidebar {
    width: 34%;
  }

  .news-detail-page .news-detail-title {
    font-size: 24px;
  }

  .news-detail-page .news-detail-nav-item {
    line-height: 54px;
    font-size: 14px;
  }

  .news-detail-page .sidebar-title {
    font-size: 22px;
  }

  .news-detail-page .sidebar-item-title {
    font-size: 16px;
    line-height: 24px;
  }
}

@media (max-width: 768px) {

  /* 左右两栏布局转为垂直单列布局，上下拉开50px间距 */
  .news-detail-page {
    flex-direction: column;
    gap: 50px;
    padding: 40px 0 60px;
  }

  .news-detail-page .news-detail-main,
  .news-detail-page .news-detail-sidebar {
    width: 100%;
    /* 全部占满宽度 */
  }

  .news-detail-page .news-detail-title {
    font-size: 22px;
    line-height: 1.4;
  }

  .news-detail-page .news-detail-body {
    font-size: 15px;
    line-height: 26px;
  }

  .news-detail-page .news-detail-footer {
    margin-top: 30px;
  }

  /* 平板端将侧边栏单排推荐，升维为更加大气的 3 列并排网格排版 */
  .news-detail-page .sidebar-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 25px;
  }

  .news-detail-page .sidebar-item {
    margin-bottom: 0 !important;
    /* 清除底边距 */
  }
}

@media (max-width: 500px) {
  .news-detail-page {
    gap: 40px;
    padding: 30px 0 50px;
  }

  .news-detail-page .news-detail-title {
    font-size: 18px;
  }

  .news-detail-page .news-detail-date {
    font-size: 14px;
    margin-top: 12px;
  }

  .news-detail-page .news-detail-body {
    font-size: 14px;
    line-height: 24px;
    margin-top: 20px;
  }

  .news-detail-page .news-detail-footer {
    margin-top: 20px;
  }

  .news-detail-page .news-detail-nav-item {
    line-height: 44px;
    padding: 0 15px;
    font-size: 13px;
  }

  .news-detail-page .news-detail-nav-item:not(:last-child) {
    margin-bottom: 8px;
  }
  .news-detail-page .sidebar-list {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .news-detail-page .sidebar-title {
    font-size: 18px;
  }

  .news-detail-page .sidebar-item .text-box {
    padding: 15px;
  }

  .news-detail-page .sidebar-item-title {
    font-size: 15px;
    line-height: 22px;
  }

  .news-detail-page .sidebar-item-date {
    font-size: 14px;
    margin-top: 15px;
  }
}