.header-top{
    position: absolute;
    z-index: 1001;
    top: 0;
    left: 0;
    background-color: transparent;
}

.a-logo{
    width: 10rem;
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
}

.a-logo img{
    width: 100%;
}

.about-desc{
    width: 80%;
    text-indent: 2rem;
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
    color: #5c5c5c;
    font-size: 1.2rem;
}

.about-info-head{
    height: 5.5rem;
    position: relative;
    margin-top: 2rem;
}

.aih-title{
    height: 5.5rem;
    line-height: 5.5rem;
    text-align: center;
    font-size: 2.5rem;
    color: #747474;
    font-weight: normal;
    width: 12rem;
    margin-left: -6rem;
    margin-right: auto;
    background-color: white;
    position: absolute;
    left: 50%;
    z-index: 1;
}

.aih-line{
    position: absolute;
    height: 0.1rem;
    background-color: #e4e4e4;
    bottom: 0;
    width: 50%;
    left: 50%;
    margin-left: -25%;
    top: 50%;
    z-index: 0;
}

.send-content{
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
}

.sc-head-title{
    height: 5.5rem;
    line-height: 5.5rem;
    text-align: left;
    font-size: 2rem;
    width: 80%;
    margin-left: auto;
    margin-right: auto;
    margin-top: 2rem;
    border-bottom: 0.01rem solid #e6e6e6;
    color: #747474;
}

.textBlue{
    color: #007bff;
    text-decoration: none;
    background-color: transparent;
}

.textBold{
    font-weight: bold;
    color: red;
}
@media screen and (max-width: 900px) {
    .header-top{
        top:0;
    }
}