.qa1 {
    width: 100%;
    padding-top: 1.14rem;
    background: url('../img/about/about4bg.png') no-repeat;
    background-size: 100% auto;
    padding-bottom: 0.78rem;
}

.qa1 .qa1_item {
    width: 15rem;
    margin: 0 auto 0.63rem;
    border-bottom: 0.01rem solid #E3E3E3;
    cursor: pointer;
}

.qa1 .qa1_item .qa1_title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.33rem;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.25rem;
    color: #000000;
}

.qa1_title .qa1_btn {
    position: relative;
    width: 0.44rem;
    height: 0.44rem;
    border: 0.01rem solid var(--c);
    border-radius: 50%;
    transition: 0.5s;
}

.qa1_title .qa1_btn::before{
    content: '';
    height: 0.02rem;
    width: 0.25rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: var(--c);
    transition: 0.5s;
}

.qa1_title .qa1_btn::after{
    content: '';
    width: 0.02rem;
    height: 0.25rem;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    background: var(--c);
    transition: 0.5s;
}

.qa1_btn_active{
    background: var(--c);
    transform: rotate(45deg);
}
.qa1_btn_active::before,
.qa1_btn_active::after{
    background: #FFFFFF !important;
}
.qa1_item .qa1_bot {
    display: none;
    padding-top: 0.02rem;
    padding-bottom: 0.28rem;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: bold;
    font-size: 0.18rem;
    color: #12A3FD;
    line-height: 0.35rem;
}

.qa1 .qa1_item.active {
    border-bottom: 0.01rem solid #12A3FD;
}

.qa1 .qa1_item.active .qa1_title .qa1_btn .yes {
    opacity: 0;
}

.qa1 .qa1_item.active .qa1_title .qa1_btn .no {
    opacity: 1;
}

.qa1 .pub_page {
    padding-top: 0.37rem;
}

.qa2 {
    width: 100%;
    padding-top: 0.88rem;
    background: url('../img/about/about4bg.png') no-repeat;
    background-size: 100% auto;
    padding-bottom: 0.53rem;
}

.qa2 .qa2_title {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 600;
    font-size: 0.19rem;
    color: #000000;
    line-height: 0.26rem;
}

.qa2 .qa2_title span {
    color: #FF0000;
}

.qa2 .qa2_top {
    width: 15rem;
    margin: 0 auto;
}

.qa2 .radio {
    display: flex;
    margin-bottom: 0.35rem;
    margin-top: 0.24rem;

}

.radio input {
    display: none;
}

.radio label {
    position: relative;
    display: block;
    padding-left: 0.2rem;
    margin-right: 1.18rem;
    cursor: pointer;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.17rem;
    color: #666666;
    line-height: 0.22rem;
}

.radio label::after {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0.07rem;
    height: 0.07rem;
    background: #FFFFFF;
    border: 0.03rem solid #CECECE;
    border-radius: 50%;
    transition: all 0.3s;
}

.radio input:checked+label::after {
    border: 0.03rem solid #12A3FD;
}

.qa2 .qa2_center {
    display: flex;
    width: 15rem;
    margin: 0 auto 0.34rem;
}

.qa2 .qa2_center .center_item {
    margin-right: 0.55rem;
}

.qa2 .qa2_center .center_item:last-child {
    margin-right: 0;
}

.center_item input {
    display: block;
    width: 4.64rem;
    height: 0.6rem;
    padding: 0 0.16rem;
    margin-top: 0.14rem;
    background: rgba(255, 255, 255, 0.46);
    border: 0.01rem solid #E5E5E5;
    box-sizing: border-box;
    font-size: 0.17rem;
}

.center_item input::placeholder {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.17rem;
    color: #9A9A9A;
}

.qa2_bot {
    width: 15rem;
    margin: 0 auto 0.75rem;
}

.qa2_bot textarea {
    display: block;
    width: 100%;
    height: 3.22rem;
    padding: 0.19rem 0.16rem;
    font-size: 0.17rem;
    background: rgba(255, 255, 255, 0.46);
    border: 0.01rem solid #E5E5E5;
    margin-top: 0.14rem;
}

.qa2_bot textarea::placeholder {
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.17rem;
    color: #9A9A9A;
}

@keyframes btn {
    0% {
        width: 0;
        height: 0;
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        width: 1.1rem;
        height: 1.1rem;
        opacity: 0;
    }
}

.qa2 .qa2_btn {
    position: relative;
    display: block;
    width: 1.3rem;
    height: 0.41rem;
    background: #12A3FD;
    margin: 0 auto;
    overflow: hidden;
    border-radius: 0.2rem;
    font-family: Microsoft YaHei, Microsoft YaHei;
    font-weight: 400;
    font-size: 0.16rem;
    color: #FFFFFF;
    text-align: center;
    line-height: 0.41rem;
}

.qa2 .qa2_btn::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 0;
    height: 0;
    background: rgba(0, 0, 0, 0.1);
    border-radius: 50%;
}

.qa2 .qa2_btn:hover::after {
    animation: 0.8s btn;
}