.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: 19.8%;
    text-align: center;
    line-height: 3px;
    color:#888 ;
    font-family: "宋体";
}
.infos{
    width: 90%;
    margin:-20px auto 0;
    text-align: center;
    font-family: '思源黑体' !important;
    font-size: calc(17px + (100vw - 1920px) / 300);
    line-height:calc(40px + (100vw - 1920px) / 200) ;
    letter-spacing: 2px;
}
.picfooter{
    width: 67%;
    margin: auto;
}
.firstpic{
    margin-top:3%;
}
.picfooter img{
    width: 100%;
}

@media screen and (max-width: 768px) {
    .bodytitle .titles {
        width: 65%;
    }
    .bodytitle {
        margin: 40px auto;
    }
    .infos {
        margin: -15px auto 0;
    }
}