.clearfix:after {
    content: "";
    height: 0;
    clear: both;
    display: block;
    visibility: hidden;
}

.prj_dl {
    background: #f8faff;
    border-radius: 1rem;
    overflow: hidden;
}

.prj_dl dt {
    float: left;
    width: 50%;
    line-height: 0px;
}

.prj_dl dt img {
    width: 100%;
}
.prj_dl dd{
    float: right;
    width: 50%;
    box-sizing: border-box;
    padding: 1rem 4%;
    height: 100%;
}
.prj_dl dd h1 {
    height: 4.7rem;
    text-align: left;
    font-family: 'ALIMAMA';
    font-size: 2.2rem;
    color: #000000;
    line-height: 4.7rem;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 0rem;
    margin-top: 0rem;
}

.prj_dl dd .desc {
    font-size: 16px;
    line-height: 28px;
}

.desc {}

.yingyong {
    margin-top: 2rem;
    margin-bottom: 1rem;
}
.yingyong li:nth-child(3n){ margin-right:0px;}
.yingyong li {
    float: left;
    width: 31.6%;
    margin-right: 2.5%;
    margin-bottom: 1.6rem;
}

.yingyong li span i {
    display: inline-block;
    background: url(/images/pro.png) no-repeat right;
    background-size: 22px;
    padding: 5px 33px 5px 0;
}

.yingyong  li:hover span i {
   background: url(/images/pros.png) no-repeat right;
    background-size: 22px;  
    color:#00a0e8;
    font-weight:bold;
}
.yingyong  li:hover img{
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
  -ms-transform: scale(1.1);
  transform: scale(1.1);
}

.yingyong li em {
    display: block;
    margin-bottom: 1rem;
    border: 1px solid #ccc;
    border-radius: 10px;
    overflow: hidden;
    line-height: 0px;
}

.yingyong li em img {
    width: 100%;
    -webkit-transition: 1s;
    -moz-transition: 1s;
    transition: 1s;
}

.yingyong li  span {
    display: block;
    text-align: center;
    font-size: 16px;
    color: #000;
    line-height: 1rem;
}

.yingyong li span i {}

ul.clearfix {}

.yingyong h3 {
    height: 4.7rem;
    text-align: center;
    font-family: 'ALIMAMA';
    font-size: 2.2rem;
    color: #000000;
    line-height: 4.7rem;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 0rem;
    margin-top: 2rem;
}


.wenjian {
    text-align: center;
    margin: 41px auto;
    width: 194px;
}

.wenjian a {
    width: 192px;
    border: 1px solid #00a0e8;
    border-radius: 38px;
    box-sizing: border-box;
    padding: 9px 33px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 51px;
}

.wenjian a img {
    width: 25px;
}

.wenjian a span {
    color: #00a0e8;
    font-size: 21px;
    margin-left: 12px;
}