*{
    margin: 0;
    padding: 0;
}
/* 以下为首页样式 */
.header-box{
    display: flex;

}
.head-left,.head-right{
    width: 50%;
    height: 60px;
    text-align: center;
    line-height: 60px;
    text-decoration: underline;
    font-size: 14px;
}
.head-left:hover ,.head-right:hover {
    transition: all .5s;
    font-size: 17px;
}
.head-left{

    background-color: #e0beb1;

}
.head-right{
    background-color: #e1dce4;
}
.nav-box{
    width: 100%;
    height: 68px;
    background-color: black;
    display: flex;
    justify-content: space-between;
    align-items: center;
   color: white;
   padding: 0 40px;
   box-sizing: border-box;
}
.nav-logo{
    
    
}
.nav-right{
    width: 15%;
    display: flex;
    justify-content: space-around;
}
.banner{
    width: 100%;
    height: 630px;
    background-color: #e0beb1;
}