.section {
    width: 100%;
    overflow: hidden;
}
.ser-four {
    padding-bottom: 70px;
}

.ser-tit {
    font-size: 50px;
    color: #333;
}
.sef-swiper {
    margin-top: 45px;
}
.about4-con{margin-top:60px;}
.about4-con li {
    margin: 0 10px;
    padding: 10px 0;
    float: left;
    _display: inline;
    text-align: center;
}
.about4-con li .sef-pic {
    width: 200px;
    text-align: center;
    box-shadow: 10px 10px 10px rgba(0,0,0,0.08);
    overflow: hidden;
}
.about4-con li .sef-pic img {
    display: block;
    width: 100%;
    transition: all .5s;
}


.about4-con li {
    margin: 0 10px;
    padding: 10px 0;
    float: left;
    _display: inline;
    text-align: center;
}

.about4-con li .sef-pic {
    width: 200px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.08);
    overflow: hidden;
}

            .sef-swiper li .sef-pic img {
                display: block;
                width: 100%;
                transition: all .5s;
            }

        .sef-swiper li:hover .sef-pic img {
            transform: scale(1.05);
        }
.about4-menu{text-align:center;width:50%;margin:0 auto;}
.about-tit1{}
.about-tit1.on{}
.about4-con{margin-top:60px;}
.about4-con1 {
    display: none;
}
.about4-con1.on{display:block;}



@media (max-width:767px) {
	.about4-con li .sef-pic {width: 170px;}
	.about4-con li{margin: 0 -3px;}
}