.swiper-container1 {}
.swiper-container1 {
    width: 100%;
    height: 100%;
    overflow: hidden;
}
.sec1 {
    position: relative;
    z-index: 3;
    height: 100%;
    background: #fff;
    overflow: hidden;
}
.sec1 .bg {
    position: absolute;
    z-index: 1;
    height: 100%;
    background: url(../images/sy_bytp.jpg);
}
.sec2 {
    position: relative;
    z-index: 3;
    height: 100%;
    overflow: auto;
}
#videoBg {
    width: 100vw;
    height: 100vh;
    object-fit: cover;
    position: relative;
    z-index: 1;
}
.home_content {
    width: 1280px;
    position: relative;
    height: 100vh;
    margin: 0 auto;
    z-index: 5;
}
.home_logo{padding-top: 16%;}
.home_logo img{display: block;margin: 11px auto;width: 600px;}
.home_menu {
    width: 1053px;
    position: absolute;
    display: flex;
    justify-content: space-around;
    bottom: 200px;
    left: 50%;
    margin-left: -526px;
}
.home_menu a {
    display: inline-block;
    float: left;
    color: #fff;
    text-align: center;
}
.home_menu i {
    display: block;
    width: 84px;
    height: 84px;
    background: rgba(255, 255, 255, 0.84);
    border-radius: 50%;
    padding-top: 23px;
    margin-bottom: 20px;
    box-sizing: border-box;
}
.home_menu i img {
    display: block;
    margin: 0 auto;
}
.home_foot {
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 20px;
}
.home_foot p {
    text-align: center;
    height: 27px;
    font-size: 20px;
    color: #FFF;
    line-height: 27px;
}
.tips {
    margin-top: 20px;
}
.home_foot img {
    display: block;
    margin: 24px auto 0 auto;
}


@media (max-height: 900px){
    .home_logo{padding:50px;}
}
@media (max-height: 750px){
    .home_logo{padding:0px;}
}
@media screen and (max-width:1500px){
    .home_logo {padding-top: 8%;}
}
@media screen and (max-width:1366px){
    .home_logo {padding-top: 1%;}
}
@media screen and (max-width:1280px) {
    .home_content{width: 100%;}
    .home_logo{padding-top: 8%;}
}
@media screen and (max-width: 1201px) {
    .sec1 {
        display: none;
    }
}