.app_scen_main {
  padding: 100px 0 0;
  /* background: url('../images/1346.png') no-repeat right center; */
}
.app_scen_main h3 .img {
  width: 390px;
  height: 28px;
  background: url('../images/logo_title.png') no-repeat center;
  margin-top: 12px;
}
.app_scen_main h3 {
  font-size: 30px;
  font-weight: 400;
  margin: 0 0 45px 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.app_scen_center {
  width: 1200px;
  margin: 0 auto;
  /* box-shadow: 0 5px 5px #ace2ff; */
  display: flex;
  flex-wrap: wrap;
  box-sizing: border-box;
  margin-top: 20px;
  margin-bottom: 40px;
  position: relative;
  box-sizing: border-box;
}
.app_scen_center .scene_it {
width: 33.333333333%;
height: 240px;
border: 1px solid #fff;
box-sizing: border-box;
color: #fff;
position: relative;
padding: 40px;
cursor: pointer;
display: flex;
flex-direction: column;
}
.app_scen_center .scene_it::before {
content: '';
display: inline-block;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
z-index: 1;
background: #596c829a;
}
.app_scen_center .scene_it.yuanqu::after,
.app_scen_center .scene_it.yingyeting::after,
.app_scen_center .scene_it.gongdi::after,
.app_scen_center .scene_it.dianli::after,
.app_scen_center .scene_it.jifang::after,
.app_scen_center .scene_it.cangku::after
{
content: '';
display: inline-block;
position: absolute;
left: 0;
top: 0;
right: 0;
bottom: 0;
z-index: 0;
}
.app_scen_center .scene_it.yuanqu::after {
background: url('../images/zhihuiyuanqu.webp') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it.yingyeting::after {
background: url('../images/yingyeting.webp') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it.gongdi::after {
background: url('../images/gongdi.webp') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it.dianli::after {
background: url('../images/dianli.webp') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it.jifang::after {
background: url('../images/jifang.png') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it.cangku::after {
background: url('../images/cangku.png') no-repeat center center / 100% 100%;
}
.app_scen_center .scene_it:hover .hover_content {
display: block;
}
.app_scen_center .scene_it:hover > .scene_text,
.app_scen_center .scene_it:hover .scene_icon {
display: none;
}
.app_scen_center .scene_it .hover_content {
position: absolute;
background: #0058aaa8;
left: 0;
top: 0;
right: 0;
bottom: 0;
padding: 40px;
box-sizing: border-box;
text-align: justify;
display: none;
transition: all 0.2s;
z-index: 2;
}
.app_scen_center .scene_it .scene_text,
.app_scen_center .scene_it .scene_icon {
font-size: 20px;
position: relative;
z-index: 2;
}

.app_scen_center .scene_it .hover_content ul, 
.app_scen_center .scene_it .hover_content ul li{
padding: 0;
margin: 0;
}
.app_scen_center .scene_it .hover_content ul {
padding-top: 12px;
}
.app_scen_center .scene_it .hover_content ul li {
font-size: 16px;
line-height: 1.5;
margin-left: 20px;
}