*{
    margin: 0;
    padding: 0;
}
body{
    min-width: 1500px;
}
.center{
    width: 1400px;
    margin: 0 auto;
}
img{
    width: 100%;
    height: 100%;
}
a{
    color: inherit;
    text-decoration: none;
}
li{
    list-style-type: none;
}
.nav{
    width: 100%;
    background-color: #fff;
    padding-bottom: 2px;
    border-bottom: 1px solid #e5e5e5;
}
.nav-logo {
    width: 408px;
    height: 60px;
    margin-top: 5px;
    padding: 10px 0;
}
.nav .center{
    display: flex;
    justify-content: space-between;
}
.nav-ul{
    list-style-type: none;
    display: flex;
    justify-content: center;
    font-size: 16px;
}
.nav-a{
    line-height: 20px;
    padding: 22px 20px;
    margin: 0 5px;
    margin-bottom: 2px;
    text-align: center;
}
.nav-a:hover{
    border-bottom: 2px solid #e62129;
    margin-bottom: 0;
    color: #e62129;
}

.title-zh{
    font-size: 36px;
    /* font-weight: bolder; */
    color: #231815;
}
.title-en{
    font-size: 14px;
    color: #666;
}


.foot{
    padding: 80px 0 70px;
    background-color: #333;
    color: #f8f8f8;
}
.foot .center{
    display: flex;
    justify-content: space-between;
}
.foot-logo {
    width: 200px;
    height: 147px;
}
.foot-nav{
    width: 600px;
    display: flex;
    justify-content: space-between;
    font-size: 14px;
    line-height: 30px;
}
.foot-contact{
    width: 300px;
}
.foot-contact li{
    margin-top: 10px;
    display: flex;
}
.foot-ico {
    width: 50px;
    height: 36px;
}
.foot-contact-body{
    font-size: 14px;
    line-height: 18px;
}
.foot-contact-title{
    color: #999;
}
.foot-400{
    flex-wrap: wrap;
}
.foot-400-title{
    font-size: 16px;
}
.foot-400-400{
    font-size: 32px;
}
.ipc{
    width: 100%;
    background-color: #333;
    color: #999;
    font-size: 14px;
    text-align: center;
    line-height: 40px;
}
.ipc a img{
    width: 15px;
    height: 15px;
}