li {
  list-style: none;
}
.btn_active {
  border: none;
  color: #fff;
  background-color: #0890F4;
}
.img_boder {
  border: 1px solid #0890F4;
}
.content {
  background-color: #F9F9F9;
  margin-top: 5.6rem;
}
.content .introduce {
  width: 75rem;
  margin: 0 auto;
}
.content .introduce .introduce_head img {
  width: 100%;
}
.content .introduce .introduce_content {
  background-color: #fff;
  margin-top: 0.125rem;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
}
.content .introduce .introduce_content .content_left {
  -webkit-flex: 2;
  -moz-box-flex: 2;
  -ms-flex: 2;
  flex: 2;
}
.content .introduce .introduce_content .content_left .left_style {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-direction: column;
  -moz-box-orient: vertical;
  -moz-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  margin: 0 auto;
  width: 80%;
  padding: 1.25rem;
}
.content .introduce .introduce_content .content_left .left_style .crumbs {
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  width: 100%;
  padding: 0.625rem;
  border-bottom: 1px solid #cccccc;
}
.content .introduce .introduce_content .content_left .left_style .crumbs span {
  color: #000;
}
.content .introduce .introduce_content .content_left .left_style .crumbs:hover {
  background-color: #0890f0;
}
.content .introduce .introduce_content .content_left .left_style .crumbs:hover span {
  color: #fff;
}
.content .introduce .introduce_content .content_left .left_style .active {
  background-color: #0890F4;
}
.content .introduce .introduce_content .content_left .left_style .active span {
  color: #fff;
}
.content .introduce .introduce_content .content_right {
  -webkit-flex: 8;
  -moz-box-flex: 8;
  -ms-flex: 8;
  flex: 8;
}
.content .introduce .introduce_content .content_right .jianjie {
  padding: 2rem;
}
.content .introduce .introduce_content .content_right .jianjie .daohang {
  font-size: 0.625rem;
  color: #ccc;
}
.content .introduce .introduce_content .content_right .jianjie .title {
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  margin: 1rem 0;
  font-size: 1.5rem;
  font-weight: bold;
}
.content .introduce .introduce_content .content_right .jianjie .title .ytitle {
  font-size: 1.2rem;
  color: #0890f0;
  position: relative;
}
.content .introduce .introduce_content .content_right .jianjie .title .ytitle::after {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  height: 2px;
  width: 3.75rem;
  background-color: #0890f0;
}
.content .introduce .introduce_content .content_right .jianjie .neirong {
  text-align: center;
  border: 1px solid #ececec;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div {
  margin-top: 2rem;
  text-align: center;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .title_button {
  width: 80%;
  margin: 0 auto;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: space-between;
  -moz-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding: 1rem 0;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .title_button div {
  width: 24%;
  padding: 0.4rem 0;
  border: 1px solid #797979;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .big_img {
  padding: 1rem 2rem;
  width: 100%;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .big_img .btn {
  -webkit-flex: 1;
  -moz-box-flex: 1;
  -ms-flex: 1;
  flex: 1;
  display: -webkit-flex;
  display: -moz-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
  -moz-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-align-items: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .big_img .btn img {
  width: 80%;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .big_img .big_imgtitle {
  -webkit-flex: 8;
  -moz-box-flex: 8;
  -ms-flex: 8;
  flex: 8;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .big_img .big_imgtitle img {
  width: 90%;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .img_item {
  width: 49rem;
  margin: 0 auto;
  overflow: hidden;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .img_item .img_itemul {
  width: 9999rem;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .img_item .img_itemul li {
  margin-right: 1rem;
  float: left;
}
.content .introduce .introduce_content .content_right .jianjie .neirong .neirong_div .neirong_title .img_item .img_itemul li img {
  width: 9rem;
}
.title_div {
  position: relative;
  padding: 1rem 0;
}
.title_div .ctitle {
  position: absolute;
  width: 100%;
  color: black;
  font-size: 1.25rem;
  font-weight: bold;
  top: 0.1rem;
}
.title_div .etitle {
  color: #ececec;
  font-weight: bold;
}