main {
    /* width: 100%; */
    /* 容器宽度占满父容器 */
    /* padding-top: 53.33%; */
    /* 模拟宽高比（1920:1024） */
    position: relative;
    /* 创建相对定位上下文 */
    background-image: url('../img/bg-main-2.png');
    /* 替换为你的图片路径 */
    background-size: cover;
    /* 覆盖整个容器 */
    /* background-position: center; */
    /* 图片居中 */
    background-repeat: no-repeat;
    /* 禁止平铺 */
    /* background-color: #f0f0f0; */
    background-color: #fff;
    /* 可选：备用背景颜色 */
    /* height: 320rem; */
    /* display: flex; */
    position: relative;
  
  }

  /* 外层容器样式 */
.article-grid-container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.875rem;
    padding: 6.25rem 12.5rem;
}

.pagination {
  text-align: center;
  padding: 0 0  20rem 0;
  font-size: 1.5rem;
}

.pagination a,
.pagination span {
  display: inline-block;
  padding: 1rem 1.3rem;
  margin: 0 2px;
  border: 1px solid #ddd;
  text-decoration: none;
  color: #333;
  background-color: #fff;
  border-radius: 5px;
  transition: background-color 0.3s, color 0.3s;
}

.pagination .current {
  background-color: #6A47ED;
  color: #fff;
  border-color: #6A47ED;
}

.pagination a:hover {
  background-color: #f1f1f1;
  color: #6A47ED;
}

.pagination .dots {
  border: none;
  background-color: transparent;
  cursor: default;
}

.pagination .prev,
.pagination .next {
  font-weight: bold;
}

.pagination .prev:hover,
.pagination .next:hover {
  background-color: #6A47ED;
  color: #fff;
}