.pic{
    width: 348px;
    height: 562px;
    display: block;
    margin: 0 auto;
    margin-top: 40px;
}
.foot{
    display: block;
    margin: 0 auto;
    margin-top: 20px;
    color: #000;
    font-size: 18px;
    text-align: center;
    text-decoration: none;
}
.w1220 h1{
    font-size: 30px;
    text-align: center;
    margin: 30px auto;
}
.w1220 h2{
    font-size: 20px;
    text-align: center;
    margin: 10px auto;
    font-weight: normal;
}
.logo{
    display: block;
    width: 100px;
    height: 100px;
    margin: 30px auto;
}
.ewm{
    display: block;
    width: 300px;
    height: 300px;
    margin: 30px auto;
}
.pics{
    width: 50%;
    margin: 0 auto;
    display: flex;
    justify-content: space-evenly;
}