.core{
    color:#fff; padding:50px 0;
}
.core h6{
    color:#fff; font-size:40px; color:#333; margin-bottom:50px;
}
.core .item{
    text-align:left; border:1px dashed #dee2e6; padding:20px 10px; text-align:center;
}
.core .item:hover{
    box-shadow:0px 0px 15px rgba(0,0,0,0.1);
}
.core .item img{
    width:100%;
}
.core .item strong{
    font-size:18px; color:#333; display:block; margin-top:15px;
}
.core .item p{
    line-height:180%; color:#666; text-align:left;
}

.other{
    padding:50px 0; background-color:#f5f5f5;
}
.other h6{
    font-size:40px; color:#333; margin-bottom:50px;
}
.other .item{
    border:1px #dee2e6 solid; z-index:1; position:relative; background-color:#fff;
    padding:15px 0; border-right:0; border-bottom:0; transition: all .3s ease-in-out;
}
.other .item:hover{
    background-color: #f9fbfd; z-index:20;
    box-shadow:1px 13px 29px 3px rgba(217,226,237,.74);
}
.other .layui-col-md3:nth-child(4n) .item{border-right:1px #dee2e6 solid;}
.other .layui-col-md3:nth-last-child(-n+4) .item{border-bottom:1px #dee2e6 solid;}
.other .item img{ display:block; width:50px; margin:0 10px 0 20px;}
.other .item strong{
    font-size:18px; color:#333; display:block; text-align:left; margin-top:15px; transition: all .3s ease-in-out;
}
.other .item:hover strong{
    color:#1477f8; 
}
.other .item p{
    line-height:25px; height:50px; text-align:left; color:#999; padding-right:10px;
}
@media (max-width:992px) {
    .other .layui-col-md3:nth-child(4n) .item{border-right:0;}
    .other .layui-col-md3:nth-last-child(-n+4) .item{border-bottom:0;}
    .other .layui-col-md3:nth-child(2n) .item{border-right:1px #dee2e6 solid;}
    .other .layui-col-md3:nth-last-child(-n+2) .item{border-bottom:1px #dee2e6 solid;}
}
@media (max-width:470px) {
    .other .item p{height:75px;}
}

.advantage{
    padding:50px 0;
}
.advantage h6{
    font-size:40px; color:#333; margin-bottom:50px;
}
.advantage .item{
    padding:30px;
}
.advantage .layui-col-sm6:nth-child(1) .item{background-color:#02b29d;}
.advantage .layui-col-sm6:nth-child(2) .item{background-color:#987297;}
.advantage .layui-col-sm6:nth-child(3) .item{background-color:#e96751;}
.advantage .layui-col-sm6:nth-child(4) .item{background-color:#557189;}
.advantage .item i{
    background-color:#fff; font-size:60px; padding:20px; border-radius:60px; margin:0 40px;
}
.advantage .layui-col-sm6:nth-child(1) .item i{color:#02b29d;}
.advantage .layui-col-sm6:nth-child(2) .item i{color:#987297;}
.advantage .layui-col-sm6:nth-child(3) .item i{color:#e96751;}
.advantage .layui-col-sm6:nth-child(4) .item i{color:#557189;}
.advantage .item strong{
    font-size:25px; line-height:200%; color:#fff; flex:1; text-align:center; display:block; margin-right:20px;
}
@media (max-width:520px) {
    .advantage .item strong{font-size:20px;}
}
@media (max-width:480px) {
    .advantage .item{padding:30px 20px;}
    .advantage .item i{font-size:40px; margin:0 20px;}
    .advantage .item strong{font-size:16px;}
}

.guarantee{
    padding:50px 0; background-color:#f5f5f5;
}
.guarantee h6{
    font-size:40px; color:#333; margin-bottom:50px;
}
.guarantee .item{
    padding:30px;
}
.guarantee .item strong{
    font-size:18px; color:#333; display:block; margin-top:40px;
}
.guarantee .item p{
    line-height:180%; color:#666; text-align:left;
}
.guarantee .item i{
    background-color:#fff; font-size:60px; padding:20px; border-radius:60px;
}