.index-part03{padding:6% 0 0}
.index-part03 ul{margin:0;display:flex;justify-content:center;}
.index-part03 li{ float: left; width:25%; padding:4.5% 0 0;transition: 0.5s all;-moz-transition: 0.5s all;-webkit-transition: 0.5s all;}
.index-part03 li span{ display: block; width:74px; height: 74px; margin-left:35px; margin-bottom:40px;}
.index-part03 li span img{width:74px; height: 74px;transition: 0.5s all;-moz-transition: 0.5s all;-webkit-transition: 0.5s all;}
.index-part03 li span img+img{ display: none;}
.index-part03 li .txt{ height: 314px; padding:0 35px; border-right: 1px solid #D0D0D0;}
.index-part03 li:first-child .txt{border-left:1px solid #D0D0D0;}
.index-part03 li h2{margin-bottom:30px;color:#000;transition: 0.5s all;-moz-transition: 0.5s all;-webkit-transition: 0.5s all;}
.index-part03 li p{color:#686868; margin-bottom:14px;transition: 0.5s all;-moz-transition: 0.5s all;-webkit-transition: 0.5s all;}

@media only screen and (min-width: 1025px) {
.index-part03 li:hover{ background: url(../images/bg02.jpg) no-repeat; background-size: cover;}
.index-part03 li:hover span img{ display: none;}
.index-part03 li:hover span img+img{ display: block;}
.index-part03 li:hover .txt{border-right: none;}
.index-part03 li:first-child:hover .txt{border-left:none;}
.index-part03 li:hover h2,.index-part03 li:hover p{color:#fff;}
}

@media only screen and (max-width: 1279px) {
    .index-part03 li {padding-top:0;}
    .index-part03 li .txt{ height:260px;}
}

@media only screen and (max-width: 1023px) {
     .index-part01 .rr ul{margin-top:5%;}
    .index-part03{padding-bottom: 5%;}
    .index-part03 li .txt{ height: auto; padding:0 10px 0 0; border:none!important;}
    .index-part03 li span{ margin-left: 0;}
}
@media only screen and (max-width: 767px) {
        .index-part03 li{ width: 100%; text-align: center; margin-bottom:10px;}
    .index-part03 li span{margin:0 auto 10px;}
    .index-part03 li .txt{padding:0;}
    .index-part03 li h2,.index-part03 li p{margin-bottom:5px;}
    
    .index-part03 ul {
        margin-top: 20px;
    }
    .index-part03 li span img,
    .index-part03 li span {
        width: 50px;
        height: 50px;
    }
}