.navbar_parent{
    width: 100%;
    height: 45vh;
    background: url('/static/public/images/48.png') no-repeat center center;
    background-size: 100% 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: flex-start;
}
.after_sales{
    font-weight: bold;
    color: #ffffff;
    font-size: 4rem;
    width: 30%;
    text-align: center;
}
.main_title {
    color: #252551;
    font-size: 40px;
    font-weight: bold;
    text-align: center;
    padding:5rem 0rem 2rem 0rem;
}

.sub_title {
    color: #252551;
    font-size: 16px;
    text-align: center;
    margin-bottom: 30px;
}
.HowToChoose{
    width: 100%;
}
.HowToChoose .chooseContent{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 84%;
    flex-wrap: wrap;
    margin: 0 auto;
    gap: 1rem;
    padding-bottom: 3rem;
}
.HowToChoose .chooseContent .content_list{
    width: 30%;
    background: url("/static/public/images/图层 678.png") no-repeat center;
    background-size: 100% 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: #FFFFFF;
    gap: 2rem;
    padding: 2rem;
    cursor: pointer;
    position: relative;
}
.HowToChoose .chooseContent .content_list .title{
    font-size: 1.5rem;
    font-weight: bold;
    text-align: center;
}
.HowToChoose .chooseContent .content_list .button {
    color: #005288;
    background: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem;
    border-radius: 2rem;
}

/*.HowToChoose .chooseContent .content_list::before {*/
/*    content: '';*/
/*    position: absolute;*/
/*    top: 0;*/
/*    left: 0;*/
/*    right: 0;*/
/*    bottom: 0;*/
/*    background-color: rgba(0, 0, 0, 0.1);*/
/*    opacity: 0; !* 初始状态透明 *!*/
/*    transition: opacity 0.3s ease;*/
/*    z-index: 1;*/
/*}*/

.HowToChoose .chooseContent .content_list:hover::before {
    opacity: 1;
}
.HowToChoose .chooseContent .content_list:hover img {
    filter: brightness(0) invert(1);
}
.HowToChoose .chooseContent .content_list:hover .button {
    color: #FFFFFF;
    background: #3091E6 !important;
}

@media (max-width: 768px) {
    .HowToChoose .chooseContent .content_list{
        width: 100%;
    }
    .HowToChoose .chooseContent .content_list .button{
        padding: 0.7rem;
        font-size: 0.8rem;
    }
    .after_sales{
        text-align: center;
        width: 100%;
        font-size: 4rem;
    }
}