.bodytitle{
    width: 50%;
    margin:80px auto;
    display: -webkit-box; /* Chrome 4+, Safari 3.1, iOS Safari 3.2+ */
    display: -moz-box; /* Firefox 17- */
    display: -webkit-flex; /* Chrome 21+, Safari 6.1+, iOS Safari 7+, Opera 15/16 */
    display: -moz-flex; /* Firefox 18+ */
    display: -ms-flexbox; /* IE 10 */
    display: flex; /* Chrome 29+, Firefox 22+, IE 11+, Opera 12.1/17/18, Android 4.4+ */
    justify-content: center;
    font-size: calc(35px + (100vw - 1920px) / 100);
}
.bodytitle .lines{
    width: 40.63%;
    height: 2px;
    background: #c1c1c1;
}
.bodytitle .titles{
    width: 23%;
    text-align: center;
    line-height: 3px;
    color:#888 ;
    font-family: "宋体";
}
.peijian{
    width: 100%;
    height:calc(590px + (100vw - 1920px) / 3.3);
}
.peijian .peijiamimg{
    width: calc(1050px + (100vw - 1920px) / 2);
    height:calc(480px + (100vw - 1920px) / 3.5);
    margin: auto;
}
.peijian .peijiamimg img{
    width: 100%;

}
@media screen and (max-width: 1200px) {
    .bodytitle .titles {
        width: 35%;
    }
}
@media screen and (max-width: 768px) {
    .bodytitle {
        margin: 40px auto
    }
    .bodytitle .titles {
        width: 65%;
    }
    .peijian .peijiamimg img {
        width: 88%;
    }
}