.register-box .first {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background-color: #1696ff;
    color: #fff;
    font-size: 20px;
    font-weight: 400;
    line-height: 36px;
    padding: 15px;
    text-align: center;
}

.register-box .second {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background-color: #fff;
    font-size: 18px;
    font-weight: 400;
    line-height: 36px;
    padding: 15px;
    letter-spacing: 2px;
    text-align: center;
}

.register-box .third {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    background-color: #fff;
    font-size: 18px;
    font-weight: 400;
    line-height: 36px;
    padding: 15px;
    text-align: center;
}

.mall-box .first {
    text-align: center;
    border: 1px solid #ccc;
    padding: 15px;
    margin-bottom: 15px;
}

.mall-box .first img {
    height: 140px
}

.mall-box .second {
    text-align: center;
    border: 1px solid #ccc;
    padding: 15px;
    margin-bottom: 15px;
}

.mall-box .second img {
    height: 140px
}