.wrap {
    position: relative;
    height: 750px;
}
.wrap .bg {
    position: absolute;
    height: 750px;
    width: 100%;
    overflow: hidden;
}
.wrap .bg img {
    position: absolute;
    top: -100px;
    -webkit-transition: all .1s linear;
    -moz-transition: all .1s linear;
    transition: all .1s linear;
}
.wrap .content {
    position: relative;
    z-index: 9;
    padding-top: 160px;
    text-align: center;
    max-width: 1400px;
}
.wrap .content.en {
    padding-top: 200px;
}
.wrap .content>p {
    font-size: 50px;
    font-weight: bold;
    color: #ffffff;
    padding-bottom: 70px;
}
.wrap .content ul {
    margin-top: 80px;
    text-align: center;
}
.wrap .content ul li {
    height: 70px;
    width: 180px;
    border: 1px solid #ffffff;
    line-height: 50px;
    color: #ffffff;
    overflow: hidden;
    transition: all .5s;
    display: inline-block;
    margin: 0 6.9%;
}
@media screen and (max-width:1920px){
    .wrap .content.en ul li {
        margin: 0 5%;
    }
}
@media screen and (max-width:1600px){
    .wrap .content.en ul li {
        margin: 0 4%;
    }
}
@media screen and (max-width:1400px){
    .wrap .content.en ul li {
        margin: 0 3%;
    }
}
@media screen and (max-width:1200px){
    .wrap .content.en ul li {
        margin: 0 2%;
    }
}
@media screen and (max-width:1920px){
    .wrap .content ul li {
        margin: 0 7.8%;
    }
}
@media screen and (max-width:1600px){
    .wrap .content ul li {
        margin: 0 6.9%;
    }
}
@media screen and (max-width:1400px){
    .wrap .content ul li {
        margin: 0 6%;
    }
}
@media screen and (max-width:1200px){
    .wrap .content ul li {
        margin: 0 5%;
    }
}
.wrap .content ul li p {
    font-size: 18px;
    font-weight: bold;
    position: relative;
    text-align: center;
    height: 70px;
}
.wrap .content ul li p span {
    position: absolute;
    width: 100%;
    top: 50%;
    transform: translateY(-50%);
    line-height: 30px;
    left: 0;
}
.wrap .content ul li a {
    color: #d4181c;
    font-size: 16px;
}
.wrap .content ul li:hover {
    background: #ffffff;
    color: #222222;
    height: 120px;
    margin-top: -50px;
}