.content_img img {
  width: 100%;
 
}
.content {
  background-color: #ffff;
  padding-bottom: 50px;
  position: relative;
}
.content .classification {
  width: 100% ;
  background-color: #fff;
  /* 二级菜单 */
}
.content .classification .file_list {
  display: flex;
  width: 1400px;
  margin: 0 auto;
  align-items: center;
  justify-content: center;
  margin: 49px auto 10px;
  flex-wrap: wrap;
}
.content .classification .ficationLi {
  width: 258px;
  height: 80px;
  margin: 15px 10px;
  text-align: center;
  cursor: pointer;
  display: block;
}
.content .classification .ficationLi img {
  width: 32px;
  height: 32px;
  margin: 10px 0 5px;
}
.content .fication_content {
  width: 1400px;
  margin: 0 auto;
  margin-bottom: 50px;
  background-color: #fff;
}
.content .fication_content .details {
  margin-top: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.content .fication_content .details .details_title {
  margin: 0 auto;
  font-size: 26px;
  font-weight: bold;
  color: #333333;
}
.content .fication_content .details .details_introduce {
  line-height: 30px;
}
.content .fication_content .details .details_img img {
  height: 6px;
  width: 126px;
}
.content .fication_content .details .details_content {
  margin-top: 20px;
  width: 100%;
  display: flex;
  flex-wrap: wrap;
}
.content .fication_content .details .details_content div {
  margin: 13px;
  width: 440px;
  height: 365px;
  background-color: #F4F4F4;
  position: relative;
}
.content .fication_content .details .details_content div p {
  position: absolute;
  right: 30px;
  top: 30px;
  align-items: center;
  padding: 5px 24px;
  width: 77px;
  height: 52px;
  background-color: #00519D;
  color: #fff;
  line-height: 23px ;
}
.content .fication_content .details .details_content div img {
  margin: 30px  ;
  height: 265px;
  width: 380px;
}
.content .fication_content .details .details_content div span {
  margin-left: 30px;
  font-size: 20px;
  font-weight: 400;
  color: #333333;
  display: inline-block;
  height: 20px ;
  line-height: 20px;
  width: 380px;
  text-align: center;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}