.site-content-container {
  background: #FFFFFF;
	min-width: 1200px;
}
.site-content-tabs {
  background: #FFFFFF;
  border-bottom: 1px solid #DDDDDD;
  position: relative;
  will-change: transform;
}
.site-content-tabs .site-tabs-main {
  display: flex;
  align-items: center;
}
/* 下划线样式优化 */
.tab-underline {
  position: absolute;
  bottom: 0;
  height: 5px;
  background-color: #2563eb;
  border-radius: 3px 3px 0 0;
  /* 使用贝塞尔曲线使动画更自然 */
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: left, width; /* 告诉浏览器这些属性会变化，提前优化渲染 */
}
.site-tabs-main li {
  flex: 1;
  margin-right: 16px;
  font-size: 18px;
  color: #000000;
  line-height: 55px;
  text-align: center;
  border-bottom: 5px solid transparent;
  cursor: pointer;
}

.site-tabs-main li:last-child { 
  margin-right: 0;
}

.site-tabs-main li.active,
.site-tabs-main li:hover {
  color: #2577FF;
}
.site-news-main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 0 40px;
}
.news-list {
  flex: 1;
}
.swiper-container,
.swiper-slide,
.news-img {
  width: 550px;
  height: 350px;
}
.left {
  margin-left: 12px;
}
.right {
  margin-right: 12px;
}
.news-item {
  display: flex;
  align-items: center;
  padding: 20px 0 10px 0;
  border-bottom: 1px solid #E2E2E2;
  cursor: pointer;
}
.news-item:hover,
.news-item:hover .news-title {
  color: #2577FF;
  border-bottom-color: #2577FF;
}
.news-item {
  /* 初始位置 */
	transform: translateX(0);
	/* 过渡动画设置 */
	transition: transform 0.3s ease;
}
.news-item:hover {
  /* 向右移动20px */
	transform: translateX(12px);
}
.item-left {
  min-width: 80px;
  text-align: center;
  margin-right: 8px;
}
.news-item .news-index {
  font-weight: 500;
  font-size: 38px;
  line-height: 38px;
}
.news-item .news-date {
  font-size: 14px;
  line-height: 20px;
}
.site-core-box {
  margin-top: 70px;
}
.site-core-title {
  font-family: AlibabaPuHuiTi_2_85_Bold;
  font-size: 28px;
  color: #2577FF;
  line-height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 40px;
}
.site-core-title::before {
  content: '';
  display: block;
  width: 67px;
  height: 16px;
  background: url('../images/title_left_icon.png') center no-repeat;
  background-size: contain;
  margin-right: 16px;
}
.site-core-title::after {
  content: '';
  display: block;
  width: 67px;
  height: 16px;
  background: url('../images/title_right_icon.png') center no-repeat;
  background-size: contain;
  margin-left: 16px;
}

.tabs-content {
	display: none; /* 默认隐藏所有列表项 */
  animation: fadeIn 0.5s ease;
}

.tabs-content.active {
	display: flex;
}