* {
  margin: 0;
  padding: 0;
}
.container {
  margin: 0 auto;
  max-width: 1920px;
  min-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}
.banner {
  margin-top: 74px;
  width: 100%;
  max-width: 1920px;
  min-width: 1200px;
  height: 418px;
  background: url(../img/news_banner.png) no-repeat center;
}
.content {
  width: 100%;
  min-width: 1200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: #f9f9f9;
}
.navList {
  margin-top: 80px;
  width: 1200px;
  display: flex;
  align-items: center;
}
.navList a {
  margin-right: 20px;
  padding: 0 8px;
  font-size: 18px;
  color: #4c4c4c;
  line-height: 1;
  box-sizing: border-box;
}
.navList a:last-child {
  margin-right: 0;
}
.navList .navActive {
  color: #f45436;
  font-weight: 700;
}
.newsList {
  margin-top: 56px;
  width: 1200px;
  display: flex;
  flex-wrap: wrap;
}
.newsList .item {
  margin-right: 24px;
  margin-bottom: 65px;
  display: flex;
  flex-direction: column;
}
.newsList .item-top {
  width: 377px;
  height: 203px;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}
.newsList .item-top img {
  width: 100%;
}
.newsList .item-bottom {
  padding: 0 30px;
  box-sizing: border-box;
  width: 377px;
  height: 270px;
  background-color: #fff;
  display: flex;
  flex-direction: column;
}
.newsList .item-bottom-top {
  display: flex;
  flex-direction: column;
}
.newsList .item-bottom-top h4 {
  margin-top: 38px;
  font-size: 20px;
  color: #2c2c2c;
  line-height: 26px;
  font-weight: 700;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
}
.newsList .item-bottom-top p {
  margin-top: 18px;
  height: 66px;
  font-size: 16px;
  line-height: 22px;
  color: #515151;
  text-overflow: -o-ellipsis-lastline;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  line-clamp: 3;
  -webkit-box-orient: vertical;
}
.newsList .item-bottom span {
  margin-top: 35px;
  font-size: 16px;
  color: #444;
  line-height: 1;
}
.newsList .item-bottom button {
  margin-top: 145px;
  width: 122px;
  height: 0;
  background-color: #fff;
  border-radius: 35px;
  font-size: 16px;
  color: #003b83;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
  border: 0;
}
.newsList .item-bottom button img {
  width: 10px;
  height: 10px;
  margin-left: 10px;
}
.newsList .item:hover .item-top {
  display: none;
}
.newsList .item:hover .item-bottom {
  height: 473px;
  background-color: #f45436;
}
.newsList .item:hover .item-bottom .item-bottom-top h4,
.newsList .item:hover .item-bottom .item-bottom-top p {
  color: #fff;
}
.newsList .item:hover .item-bottom span {
  color: #fff;
}
.newsList .item:hover .item-bottom button {
  height: 35px;
}
.newsList .item:nth-child(3n) {
  margin-right: 0;
}