.container-header {
  overflow: hidden;
  display: flex;
  justify-content: center;
  position: relative;
  width: 100%;
  height: 600px;
  padding-top: 100px;
}

.container-header > img {
  width: 1920px;
  height: 600px;
}

.container-header-box {
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 2;
  width: 1500px;
}

.container-header-box > span:nth-child(1) {
  height: 100px;
  line-height: 100px;
  font-size: 80px;
  font-weight: 600;
  color: #fff;
}

.container-header-box > span:nth-child(2) {
  height: 50px;
  line-height: 50px;
  font-size: 36px;
  font-family: PingFang SC-Regular, PingFang SC;
  font-weight: 400;
  color: #fff;
}

.container-body {
  display: flex;
  justify-content: center;
  width: 100%;
  padding: 60px 0 40px 0;
}

.container-body-box {
  position: relative;
  width: 1500px;
}

.container-list {
  display: flex;
  flex-wrap: wrap;
  width: 100%;
}

.container-list > li {
  display: flex;
  width: calc(100% / 3);
  height: 490px;
}

.container-item {
  display: flex;
  flex-direction: column;
  width: 470px;
  height: 450px;
  padding: 30px;
  background-color: #fff;
  transition: all 250ms linear;
  cursor: pointer;
}

.container-item:hover {
  background-color: #173f8f !important;
}

.container-item:hover .container-item-top-name {
  color: #fff !important;
}

.container-item:hover .container-item-text {
  color: #fff !important;
}

.container-item-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  height: 40px;
  margin-bottom: 20px;
}

.container-item-top-img {
  overflow: hidden;
  position: relative;
  width: 40px;
  height: 40px;
  border-radius: 50%;
}

.container-item-top-img > img {
  width: 40px;
  height: 40px;
}

.container-item-top-name {
  width: calc(100% - 40px - 20px);
  height: 40px;
  line-height: 40px;
  font-size: 24px;
  font-weight: 600;
  color: #000000;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.container-item-text {
  width: 100%;
  height: 120px;
  line-height: 30px;
  font-size: 18px;
  font-weight: 400;
  color: #000000;
  margin-bottom: 20px;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
}

.container-item-img {
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 190px;
}

.container-item-img > img {
  width: 100%;
  height: 190px;
}