section div,section h2,section h3,section p{
    color: black;
}
.first{
    text-align: center;
    padding-top: 40px;
}
.first h2{
    color: #28a7e1;
    font-size: 40px;
}
.first p{
    font-size: 24px;
    margin-top: 22px;
}
.mean .row {
    width: 100%;
    padding: 0 20%;
}
.introduce div{
    text-align: center;
}
.introduce{
    margin-top: 52px;
}
.Use{
    position:relative;
    padding-bottom:400px;
}
.Use img{
    position: absolute;
    top: 161px;
    left: -8px;
    width: 100%;
}
.channel{
    background: url("../img/background_02.png")no-repeat;
}
.index_case_wrap{
    text-align: center;
}
.index_case_wrap li p{
    padding-top: 10px;
}
.index_case_main{
    padding-top: 135px;
}
.index_channel_main{
    padding-top: 120px;
}
.idnex_jeiru{
    padding-top: 10%;
}
.idnex_jeiru p{
    padding-top: 18%;
    line-height: 50px;
    font-size: 31px;
    color: #636161;
}
.idnex_jeiru h2{
    color: #28a7e1;
    font-size: 40px;
}
.index_channel_wrap{
    text-align: center;
}
.index_channel_wrap li{
    padding: 10px 0 ;
}
.index_channel_wrap li a{
    font-size: 18px;
}
.diyifu a:hover img {
    -webkit-transform: scale(1.3,1.3);
    -moz-transform: scale(1.3,1.3);
    -transform: scale(1.3,1.3);
}
.diyifu a:first-child img {
    transition: all 2s;
    width: 100%;
}
img {
    vertical-align: middle;
}
img {
    border: 0;
}
.diyifu div:first-child {
    overflow: hidden;
}
.index_dynamic{
    text-align: center;
}
.index_dynamic h2{
    color: #28a7e1;
    font-size: 40px;
    padding-top: 32px;
    padding-bottom: 12px;
}
.index_last{
    padding-bottom: 80px;
}
.taojinzhe {
    font-size: 16px;
    color: rgb(53,53,53);
    padding-top: 1%;
    padding-bottom: 0.5%;
    height: 26px;
}
.diyifu p:nth-child(3) span{
    padding-bottom: 1%;
    color: #b8b8b8  ;
    font-size: 12px;
}
.diyifu p:last-child {
    font-size: 14px;
    color: #636161;
}
.index_dynamic img{
    width: 100%;
}
.taojinzhe span a:hover {
    color: #3ADEFA;
}
.taojinzhe span a{
    color: #28a7e1;
}
.carousel-control:hover, .carousel-control:focus{
    opacity: 0.4;
}
.carousel-control{
    opacity: 0.3;
    width: 5%;
    font-size: 80px;
    padding-top: 9%;
}
@media screen and (min-width: 200px) and (max-width: 993px) {
    .index_case_wrap li{
     padding-left: 0;
     padding-right: 0;
 }
    .idnex_jeiru p{
        font-size: 18px;
    }
    .last_img{
        display:none;
    }
    .Use{
        position:relative;
        padding-bottom:280px;
    }
    .carousel-control{
        padding-top:6%;
    }
}