*{
    margin: 0;
    padding: 0;
}
body{
    min-width: 1400px;
}
.center{
    width: 1400px;
    margin: 0 auto;
}
img{
    width: 100%;
    height: 100%;
}
a{
    color: inherit;
    text-decoration: none;
}
li{
    list-style-type: none;
}
.title-center {
    text-align: center;
    margin:60px 0;
}
.title-left {
    text-align: left;
}
.title-en{
    font-size: 36px;
    font-family: "Times New Roman";
    color: #008837;
    font-weight: bold;
}
.title-zh{
    font-size: 24px;
    color: #008837;
}
.top{
    padding: 5px 0;
}
.top .center{
    display: flex;
    justify-content: space-between;
}
.top-logo{
    width: 230px;
}
.top-nav{
    width: 750px;
    display: flex;
    justify-content: space-between;
}
.top-nav li{
    padding: 20px;
    line-height: 30px;
    text-align: center;
}
.top-nav li:hover{
    color: #008837;
    padding-bottom: 18px;
    border-bottom: 2px solid #008837;
}

.foot{
    padding: 60px 0 10px;
    text-align: center;
    background-color: #333;
    color: #e5e5e5;
    line-height: 30px;
}
.foot-nav{
    width: 800px;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;
}
.icp{
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}