.headerImg{
  width: 100%;
}
.header_nav>li:nth-child(5)>a{
  color: #fff;
}
.header_nav>li:nth-child(5)>a::before{
  height: 100%;
}




/* 左侧标签 */
.nav_content{
  /* width: 100%; */
  border-bottom: 1px solid #ccc;
}
.nav_content>div{
  max-width: 1200px;
  height: 76px;
  display: flex;
  justify-content: space-between;
  /* padding: 0 30px; */
  /* justify-content: space-around; */
  align-items: center;
 margin: 0 auto;
  font-size: 12px;
}

.nav_content>div>div:first-child{
  padding-left: 20px;
  display: flex;
  align-items: center;
}
.nav_content>div>div:first-child>img{
  margin: 0 5px;
}
.nav_content>div>div:first-child>img:first-child{
  margin-left: 0;
}


/* 右侧导航 */
.nav_list{
  list-style: none;
  display: flex;
  height: 100%;
  justify-content: space-between;
  align-items: center;
  margin: 0;
}
.nav_list>li>a{
  display: block;
  margin-right: 30px;
  color: #63666b;
  font-size:12px;
  height: 100%;
  line-height: 76px;
  /* border-bottom: 2px solid red; */
  box-sizing: border-box;
  position: relative;
}
.nav_list>li>a::before{
  content: '';
  position: absolute;
  height: 2px;
  background: #0084ff;
  bottom: 0;
  left: 0;
  width: 0;
  transition: all 300ms;
}

.active_a::before{
  width: 100% !important;
}


/* .nav_list>li:first-child>a::before{
  width: 100%;
} */
/* .nav_list>li:hover+li::before{
  width: 0 !important;
} */
.nav_list>li>a:hover::before{
  width: 100%;
}




/* 下拉样式 */
.select_box{
  padding: 5px;
  border-radius: 5px;
  display: none;
}









/* ********************** */



.box{
  max-width: 1200px;
  margin: 0 auto;
  justify-content: space-between;
  /* padding-bottom: 60px; */
  padding: 0  20px 60px 20px;
}

/* 动态详情 */
.contentDetail{
  display: flex;
  justify-content: center;
  flex-direction: column;
  align-items: center;
  padding-top: 20px;
}
.contentDetail>.item_img{
  margin-top: 20px;
  margin-bottom: 20px;
}
.contentDetail>p{
  max-width: 723px;
}


.content{
  display: flex;
  margin-top: 23px;
  justify-content: space-between;
  align-items:center;
}
.item{
  padding-right: 20px;
}
.item>h4,.contentDetail>h4{
  color: #474545;
  font-size: 18px;
  font-weight: bold;
  margin-top: 0;
  line-height: 36px;
}
.content>h2{
  display: none;
  font-size: 18px;
 
}
.content>p{
  display: none;
  font-size: 12px;
  color: #777777;
}
.item>p,.contentDetail>p{
  font-size: 12px;
  color: #777777;
  line-height: 22px;
}
.item_img{
  width: 362px;
}

.button_box{
  /* text-align: right; */

  padding-right: 20px;
  padding-bottom: 30px;
  display: none;
}
.button_box>a{
  display: inline-block;
  height: 20px;
  font-size: 14px;
  padding: 2px 10px;
  border-radius: 4px;
  color: #fff;
  background: #0084ff;
}

@media screen and (max-width:820px) {
  .box{
    display: flex;
    flex-wrap: wrap;
  }
  .content{
    width: 48%;
    display: block;
    box-shadow: 0px 0px 24px rgba(0, 0, 0, .1);
    padding-bottom: 10px;
  }
  .item{
    width: 100%;
    padding: 0;
  }
  .item_img{
    width: 100%;
  }
  .item>h4{
    display: none;

  }
  .content>h2{
    display: block;
    padding: 10px;
    font-size: 16px;
  }

  .contentDetail>h4{
    font-size: 16px;
    line-height: 26px;
  }

  .content>p,.contentDetail>p{
    display: block;
    padding: 10px;
    margin: 0;
    line-height: 18px;
  }
  .item>p{
    display: none;
  }
  .button_box{
    display: flex;
    justify-content: flex-end;
  }
}

@media screen and (max-width:564px) {
  .box{
    display: block;
    padding: 0;
  }
  .content{
    width: 100%;
    display: block;
  }
 .item{
   width: 100%;
   padding: 0;
 }
  .item_img{
    width: 100%;
  }

  .contentDetail{
    padding: 20px 20px 60px 20px;
  }
 }

 @media screen and (max-width:768px){
  .select_box{
    display: block;
  }
  .nav_list{
    display: none;
  }
  .nav_content{
    padding: 0 12px;
  }
  .nav_content>div{
    /* justify-content: space-around; */
    justify-content: space-between;
  }
  .nav_content>div>div:first-child{
    padding-left: 0;
  }

}