.ad {
  width: 100%;
  margin: 2.5rem auto 2.375rem;
}
.ad img {
  width: 100%;
}
.nav {
  display: flex;
  align-items: center;
  color: #666666;
  font-size: 0.875rem;
  width: 75rem;
  margin: 1.25rem auto 1.5rem;
}
.nav .left {
  width: 0.8125rem;
  height: 1rem;
  margin-right: 0.375rem;
}
.nav .right {
  display: flex;
  align-items: center;
}
.nav .right a {
  color: #666666;
  font-size: 0.875rem;
}
a {
  text-decoration: none;
}
.main1 {
  width: 75rem;
  margin: 0 auto;
}
.main1 .top {
  font-size: 1.25rem;
  color: #333333;
  padding-right: 6.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid #0068b5;
  width: 40%;
}
.main1 .top span {
  font-size: 2rem;
  color: #0068b5;
  margin-right: 0.625rem;
  font-weight: 600;
}
.main1 .bot {
  border-top: 1px solid #8ebbde;
  padding-top: 0.625rem;
}
.main1 .bot .classify {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background-color: #e5f0f7;
}
.main1 .bot .classify .left {
  display: flex;
}
.main1 .bot .classify .left .switch1 {
  min-width: 6.875rem;
  height: 2.625rem;
  color: #333;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}
.main1 .bot .classify .left .active {
  background-color: #0068b5;
  color: #fff;
}
.main1 .bot .classify .left .switch1:hover {
  background-color: #0068b5;
  color: #fff;
}
.main1 .bot .bottom {
  display: flex;
  justify-content: space-between;
  margin-top: 2.5rem;
}
.main1 .bot .bottom .left {
  width: 25.625rem;
  height: 17.0625rem;
  overflow: hidden;
}
.main1 .bot .bottom .left img {
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.main1 .bot .bottom .left:hover img {
  transform: scale(1.2);
  transition: all 0.5s;
}
.main1 .bot .bottom .right {
  margin-left: 1.5rem;
  width: calc(100% - 26.5rem);
}
.main1 .bot .bottom .right .part {
  display: flex;
  height: 2.5rem;
  justify-content: space-between;
  align-items: center;
  font-size: 1rem;
  border-bottom: 1px solid #c9c9c9;
}
.main1 .bot .bottom .right .part .right1 {
  display: flex;
  color: #333;
}
.main1 .bot .bottom .right .part .right1 span {
  color: #0068b5;
  margin-right: 0.5rem;
}
.main1 .bot .bottom .right .part .right1 .tit {
  width: 28.125rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.main1 .bot .bottom .right .part .right2 {
  color: #4b4b4b;
}
.main1 .bot .bottom .right .part:hover .right1 .tit {
  color: #0068b5;
  text-decoration: underline;
}
.main {
  width: 75rem;
  margin: 3.125rem auto 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.main .main2 {
  margin-bottom: 1.875rem;
}
.main .main2 .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.main .main2 .top .left {
  display: flex;
  align-items: center;
  color: #0068b5;
  font-size: 1.125rem;
  font-weight: 600;
}
.main .main2 .top .left img {
  width: 1.5rem;
  margin-right: 0.375rem;
}
.main .main2 .top .more {
  display: flex;
  align-items: center;
  color: #999999;
  font-size: 0.875rem;
}
.main .main2 .top .more img {
  width: 0.4375rem;
  height: 0.875rem;
  margin-left: 0.375rem;
}
.main .main2 .top .right {
  display: flex;
  color: #999999;
  font-size: 1rem;
}
.main .main2 .top .right .right1 {
  position: relative;
  padding: 0 0.375rem;
}
.main .main2 .top .right .right1::after {
  position: absolute;
  width: 1px;
  height: 0.9375rem;
  background-color: #999999;
  content: '';
  left: 0;
  top: calc(50% - 0.4688rem);
}
.main .main2 .top .right .right1:nth-child(1)::after {
  width: 0;
}
.main .main2 .top .right .right1:hover {
  color: #0068b5;
}
.main .main2 .bottom {
  display: flex;
}
.main .main2 .bottom .part1 {
  width: 25.625rem;
  display: block;
}
.main .main2 .bottom .part1 .top {
  width: 25.625rem;
  height: 17.0625rem;
  border-top: 1px solid #0068b5;
  overflow: hidden;
  margin-bottom: 1rem;
}
.main .main2 .bottom .part1 .top img {
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.main .main2 .bottom .part1 .top:hover img {
  transform: scale(1.2);
  transition: all 0.5s;
}
.main .main2 .bottom .part1 .tit {
  font-size: 1rem;
  color: #0068b5;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;
  margin-bottom: 1.25rem;
}
.main .main2 .bottom .part1 .time {
  color: #666666;
  font-size: 0.75rem;
}
.main .main2 .bottom .part2 {
  width: 22.5rem;
  border-top: 1px solid #0068b5;
  margin-left: 2.5rem;
}
.main .main2 .bottom .part2 .part2-1 {
  max-height: 4.875rem;
  border-bottom: 1px dashed #cccccc;
  padding: 0.5rem 0;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.main .main2 .bottom .part2 .part2-1 .tit {
  font-size: 1rem;
  color: #333333;
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  line-clamp: 2;
  -webkit-line-clamp: 2;
}
.main .main2 .bottom .part2 .part2-1 .time {
  color: #969696;
  font-size: 0.75rem;
}
.main .main2 .bottom .part2 .part2-1:hover .tit {
  color: #0068b5;
}
.main .main3 {
  width: 22.5rem;
  margin-bottom: 1.875rem;
}
.main .main3 .top {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.main .main3 .top .left {
  display: flex;
  align-items: center;
  color: #0068b5;
  font-size: 1.125rem;
}
.main .main3 .top .left img {
  width: 1.1875rem;
  height: 1.3125rem;
  margin-right: 0.625rem;
}
.main .main3 .top .more {
  color: #535353;
  font-size: 0.875rem;
}
.main .main3 .bottom {
  margin-top: 0.9375rem;
  border-top: 1px solid #0068b5;
}
.main .main3 .bottom .part {
  border-bottom: 1px dashed #cccccc;
  height: 3.125rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.main .main3 .bottom .part .tit {
  display: flex;
  align-items: center;
}
.main .main3 .bottom .part .tit .num {
  color: #fff;
  font-size: 1rem;
  width: 1.375rem;
  height: 1.375rem;
  line-height: 1.375rem;
  border-radius: 50%;
  text-align: center;
  background-color: #7fb3da;
  margin-right: 0.75rem;
}
.main .main3 .bottom .part .tit .tit1 {
  color: #333;
  font-size: 0.875rem;
  width: calc(100% - 2.25rem);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.main .main3 .bottom .part1 {
  height: auto;
  padding: 0.875rem 0;
}
.main .main3 .bottom .part1 .desc {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  line-clamp: 3;
  -webkit-line-clamp: 3;
  color: #666666;
  font-size: 0.75rem;
  margin-top: 0.75rem;
  margin-bottom: 1rem;
}
.main .main3 .bottom .part1 .tit .tit1 {
  color: #0068b5;
}
.main .main3 .bottom .part1 .time {
  color: #969696;
  font-size: 0.75rem;
}
.main .main3 .bottom .part:hover .tit1 {
  color: #0068b5;
}
.main .main3 .bottom .part:nth-child(-n+3) .tit .num {
  background-color: #0068b5;
}
.main .main4 {
  width: 22.5rem;
}
.main .main4 .top {
  height: 2.5rem;
  padding: 0 0.9375rem 0 1.5625rem;
  box-sizing: border-box;
  background-color: #0068b5;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: #fff;
}
.main .main4 .top .left {
  font-size: 1.125rem;
}
.main .main4 .top .right {
  display: flex;
}
.main .main4 .top .right .right1 {
  font-size: 0.875rem;
}
.main .main4 .top .right .right1:nth-child(1) {
  margin-right: 10px;
}
.main .main4 .top .right .active {
  text-decoration: underline;
}
.main .main4 .bottom {
  background-color: #e0edf6;
  padding: 0.625rem 0.625rem 1.5625rem;
}
.main .main4 .bottom .part1 {
  border-bottom: 1px dashed #646464;
  display: flex;
  align-items: center;
  height: 2.25rem;
}
.main .main4 .bottom .part1 img {
  width: 0.3125rem;
  margin-right: 0.25rem;
}
.main .main4 .bottom .part1 .tit {
  color: #646464;
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.main .main4 .bottom .part1 .tit span {
  color: #0068b5;
  margin-right: 0.25rem;
}
.main .main4 .bottom .part1:hover .tit {
  color: #0068b5;
}
.main .main5 {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.main .main5 .part .top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}
.main .main5 .part .top .left {
  display: flex;
  align-items: center;
  color: #0068b5;
  font-size: 1.125rem;
  font-weight: 600;
}
.main .main5 .part .top .left img {
  width: 1.5rem;
  margin-right: 0.375rem;
}
.main .main5 .part .top .more {
  display: flex;
  align-items: center;
  color: #999999;
  font-size: 0.875rem;
}
.main .main5 .part .top .more img {
  width: 0.4375rem;
  height: 0.875rem;
  margin-left: 0.375rem;
}
.main .main5 .part .top .right {
  display: flex;
  color: #999999;
  font-size: 1rem;
}
.main .main5 .part .top .right .right1 {
  position: relative;
  padding: 0 0.375rem;
}
.main .main5 .part .top .right .right1::after {
  position: absolute;
  width: 1px;
  height: 0.9375rem;
  background-color: #999999;
  content: '';
  left: 0;
  top: calc(50% - 0.4688rem);
}
.main .main5 .part .top .right .right1:nth-child(1)::after {
  width: 0;
}
.main .main5 .part .top .right .right1:hover {
  color: #0068b5;
}
.main .main5 .part .bottom .part2 {
  width: 22.5rem;
  border-top: 1px solid #0068b5;
  margin-bottom: 2.5rem;
}
.main .main5 .part .bottom .part2 .part2-1 {
  width: 100%;
  height: 4.875rem;
  border-bottom: 1px dashed #cccccc;
  display: flex;
  flex-direction: column;
  justify-content: space-around;
  box-sizing: border-box;
}
.main .main5 .part .bottom .part2 .part2-1 .tit {
  font-size: 1rem;
  color: #333333;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.main .main5 .part .bottom .part2 .part2-1 .time {
  color: #969696;
  font-size: 0.75rem;
}
.main .main5 .part .bottom .part2 .part2-1:hover .tit {
  color: #0068b5;
}
.main .main5 .part .bottom .part2 .part2-2 {
  height: 9.375rem;
  overflow: hidden;
  position: relative;
  display: block;
}
.main .main5 .part .bottom .part2 .part2-2 img {
  width: 100%;
  height: 100%;
  transition: all 0.5s;
}
.main .main5 .part .bottom .part2 .part2-2 .bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1.875rem;
  line-height: 1.875rem;
  color: #fff;
  font-size: 0.875rem;
  box-sizing: border-box;
  padding: 0 0.625rem;
  background-color: rgba(51, 51, 51, 0.56);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.main .main5 .part .bottom .part2 .part2-2:hover img {
  transform: scale(1.2);
  transition: all 0.5s;
}
.main .main5 .part:nth-child(1) .bottom .part2 {
  width: 25.625rem;
}
.main .main5 .part:nth-child(4) .bottom .part2 {
  width: 25.625rem;
}
.main:nth-of-type(n+4) {
  display: none;
}
@media (max-width: 1200px) {
  .main1 .bot .classify .left .switch1 {
    height: 30px;
    font-size: 14px;
    padding: 0 5px;
  }
  .nav .left {
    width: 10px;
    height: auto;
    margin-right: 5px;
  }
  .main1 .top {
    font-size: 14px;
    width: 50%;
  }
  .main1 .top span {
    font-size: 16px;
    color: #0068b5;
    margin-right: 5px;
  }
  .main .main2 .bottom .part2 .part2-1 {
    max-height: 60px;
  }
  .main .main2 .bottom .part2 .part2-1:nth-child(n+5) {
    display: none;
  }
  .main .main3 .bottom .part .tit .num {
    width: 15px;
    height: 15px;
    line-height: 15px;
  }
  .main .main4 .bottom .part1 {
    height: 30px;
  }
  .main .main4 .bottom .part1 img {
    width: 5px;
    margin-right: 0.25rem;
  }
  .main .main4 .top {
    height: 30px;
  }
  .main .main2 .top .left,
  .main .main3 .top .left,
  .main .main4 .top .left,
  .main .main5 .part .top .left {
    font-size: 15px;
    font-weight: 600;
  }
  .main .main2 .top .left img,
  .main .main3 .top .left img,
  .main .main5 .part .top .left img {
    width: 15px;
    margin-right: 5px;
  }
  .main .main5 .part .bottom .part2 .part2-2 .bottom {
    height: 25px;
    line-height: 25px;
  }
  .main .main5 .part .bottom .part2 .part2-1 {
    width: 100%;
    height: 50px;
  }
  .main .main5 .part .top .more img {
    width: 4px;
  }
}