body {
  margin: 0;
  padding: 0;
}
.banner {
  width: 100%;
}
.banner img {
  width: 100%;
  height: 53.75rem;
}
.navs {
  width: 100%;
  height: 5.0625rem;
  line-height: 5.0625rem;
  background: #E3E3E3;
  padding-left: 22.5rem;
  box-sizing: border-box;
  color: #7A7A7A;
  font-size: 1rem;
}
.top {
  width: 75rem;
  height: 23.5rem;
  background: #F3F3F3;
  margin: 0 auto;
}
.top .top1 {
  width: 6.625rem;
  height: 0.25rem;
  background: #1651B9;
  border-radius: 0rem 0rem 0rem 0rem;
  opacity: 1;
  border: 0.0625rem solid #707070;
  margin-left: 3.0625rem;
  margin-bottom: 5.5rem;
}
.top .top2 {
  font-size: 2.375rem;
  margin-left: 3.0625rem;
}
.top .top3 {
  display: flex;
  justify-content: space-around;
  margin-top: 2rem;
}
.top .top3 .top3-1 {
  border-top: 0.25rem solid #D6D6D6;
  width: 12.5rem;
  height: 6.25rem;
  padding-top: 1.875rem;
  box-sizing: border-box;
  line-height: 2.5rem;
  color: #7A7A7A;
  font-size: 1.5rem;
  font-weight: bold;
}
.top .top3 .top3-1:nth-child(2) span {

  color: #7A7A7A;
  font-size: 1.5rem;
  font-weight: bold;
}
.top .top3 .top3-1 span {
  font-size: 1.125rem;
  display: block;
  font-weight: 400;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  width: 12.5rem;
}
.bot {
  width: 75rem;
  margin: 2.5rem auto;
  padding-bottom: 3.125rem;
  border-bottom: 1px solid #70707070;
}
.bot * {
  max-width: 100%;
  font-size: 18px!important;
}
.bot *{
  line-height: 34px!important;
}

.bot >p{
  text-indent:2rem;
}
.bot p>img{
  margin-left: -2rem;
}


.back {
  width: 9.4375rem;
  height: 3.4375rem;
  line-height: 3.4375rem;
  text-align: center;
  color: #fff;
  font-size: 1.125rem;
  background: #222222;
  margin-bottom: 2.25rem;
  margin-left: 22.5rem;
  display: none;
}
a:link {
  text-decoration: none;
  color: #7A7A7A;
}
.back a:link {
  color: #ffffff;
}
.back a:visited {
  color: #ffffff;
}
a:visited {
  text-decoration: none;
  color: #7A7A7A;
}
.bb{
  /* display: none; */
}
.bb{
  display: flex;
  justify-content: space-between;
  width: 75rem;
  margin: 0 auto 6rem;
  font-size: 16px;
}
.top-mob{
  /* display: none; */
  width: 75rem;
  text-align: center;
  margin: 8rem auto 5rem;
  display: block;
}
.top-mob .title{
  font-size: 2.375rem;

  margin-bottom: 1rem;
}
.top-mob .desc{
  /*color: #666;*/
  margin: 1.5rem 0;
  font-size: 20px;
}
.top-mob .time{
  color: #7A7A7A;
  font-size: 16px;
  border-bottom: 1px solid #70707070;
    width: 100%;
    margin: 0 auto;
    padding-bottom: 2rem;
  
}
.prev,.next{
  width: 48%;
  font-size: 16px;
  color: #333;
  overflow: hidden;
  text-overflow: ellipsis;
      display:-webkit-box;
     -webkit-line-clamp: 2;/*行数*/
     -webkit-box-orient: vertical;
}
@media (max-width: 850px) {
  .top .top3 .top3-1 span {
    font-size: 14px;
}
.top .top3 .top3-1 {
  font-size: 14px;

}
.navs {
  font-size: 16px;
}

.back {
  font-size: 14px;
}
.banner {

  margin-top: 7.5rem!important;
  height: 44.5rem!important;
}
.banner img {
  top: 0;
  height: 44.5rem!important;

}

}
@media (max-width: 800px) {
  .back {
    width: 12.4375rem;
    height: 3.4375rem;
    line-height: 3.4375rem;
    text-align: center;
    color: #fff;
    font-size: 1.125rem;
    background: #222222;
    margin-bottom: 2.25rem;
    margin-left: 22.5rem;
  }
  .banner {
    margin-top: 10rem!important;
}
.banner img {
  top: 0;
  height: 44.5rem!important;
}
}
@media (max-width: 600px) {
  .back {
    width: 15.4375rem;
    height: 4.4375rem;
    line-height: 4.4375rem;
    text-align: center;
    color: #fff;
    font-size: 1.125rem;
    background: #222222;
    margin-bottom: 2.25rem;
    margin-left: 22.5rem;
  }
}
@media (max-width: 450px) {
  .top {
    width: 90%;
    height: auto;
    background: #F3F3F3;
    margin: 0 auto;
    display: none;
  }
  .top .top2 {
    font-size: 5.5rem;
    margin: 0 2.5rem;
  }
  .top .top3 {
    display: flex;
    justify-content: space-around;
    margin-top: 5rem;
    flex-wrap: wrap;
  }
  .top .top3 .top3-1 {
    border-top: 0.25rem solid #D6D6D6;
    width: 50%;
    height: auto;
    box-sizing: border-box;
    line-height: 6.5rem;
    color: #7A7A7A;
    font-size: 5rem;
    font-weight: bold;
    padding: 3rem 2rem;
  }
  .top .top3 .top3-1 span {
    font-size: 4rem;
    display: block;
    font-weight: 400;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    width: 100%;
  }
  .bot {
    font-size: 4.5rem;
    width: 90%;
    margin: 5rem auto;
  }
  .bot p * {
    font-size: 16px!important;
    line-height: 1.5!important;
  }
  .back {
    width: 30rem;
    height: 10rem;
    line-height: 10rem;
    text-align: center;
    color: #fff;
    font-size: 5rem;
    background: #222222;
    margin-bottom: 5rem;
    /* margin-bottom: 27.5vh; */

    margin-left: 22.5rem;
  }
  .navs {
    width: 100%;
    height: 12rem;
    line-height: 12rem;
    background: #E3E3E3;
    padding-left: 5%;
    box-sizing: border-box;
    color: #7A7A7A;
    font-size: 5rem;
  }
  .top-mob{
    width: 100%;
    margin: 8rem auto;
    display: block;
  }
  .top-mob .title{
      max-width: 90%;
      text-align: center;
      font-size: 20px;
      color: #333;
      margin:0 auto 3rem;
  }
  .top-mob .time{
    font-size: 14px;
    color: #7A7A7A;
    text-align: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid #70707070;
    width: 90%;
    margin: 0 auto;
  }
  .back{
    display: none;
  }
  .bb{
    display: flex;
    justify-content: space-between;
    width: 90%;
    margin: 0 auto 6rem;
  }
  .prev,.next{
    width: 48%;
    font-size: 16px;
    color: #333;
    overflow: hidden;
    text-overflow: ellipsis;
        display:-webkit-box;
       -webkit-line-clamp: 2;/*行数*/
       -webkit-box-orient: vertical;
  }
  .banner {
    margin-top: 19.2rem!important;
    height: 200px!important;
}
.banner img{
  top: 0!important;
  height: 200px!important;
}
}