.BT {
    width: 16rem;
    height: 3.2rem;
    border-radius: 4rem;
    font-size: 1.1rem;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    padding: 0 1rem;
    font-family: SourceHanSansCNRegular;
    cursor: pointer;
}

.F93B1D {
    background-color: #F93B1D;
}

.flex {
    display: flex;
    justify-content: space-between;
    width: 70%;
    margin: 0 auto;
    margin-top: 4rem;
}

.Title {
    font-family: SourceHanSansCNMedium;
    font-size: 1.7rem;
    color: #333;
    border-bottom: 1px solid #C0C0C0;
    width: 1200px;
    margin: 0 auto;
    line-height: 6rem;
    margin-top: 3rem;
}

.problem {
    width: 100%;
    margin: 0 auto;
}

.titleShow {
    display: flex;
    justify-content: space-between;
}

.single {
    border-bottom: 1px solid #C0C0C0;
    margin-top: 2rem;
    padding-bottom: 2rem;
}

.titleShow span {
    font-family: SourceHanSansCNRegular;
    font-size: 1rem;
    color: #000;
}

.single div {
    font-family: SourceHanSansCNLight;
    color: #505050;
    width: 95%;
    margin-top: 2rem;
    transition: all 1s;
}

.titleShow img {
    width: 2rem;
    transition: all 1s;
}

.ZK {
    height: 0;
    overflow: hidden;
    margin-top: 0 !important;
}

.single div img {
    width: 100%;
    display: inline-block;
    margin-top: 1.2rem;
    margin-left: 1rem;
}

/*.single div span {*/
/*    display: block;*/
/*}*/

.enlarge {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(2, 2, 2, 0.7);
    display: none;
}

.enlarge>div {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

.enlarge>div>div {
    width: 90%;
    position: relative;
}

.enlarge div div img {
    width: 100%;
}

.img {
    width: 2rem !important;
}

.GD {
    width: 2rem;
    display: block;
    margin: 0 auto;
    margin-top: 3rem;
}

.frequency {
    z-index:999;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(2, 2, 2, 0.7);
    width: 100%;
    height: 100vh;
    display: none;
}

.frequency div {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    position: relative;
}

.frequency div video {
    width: 600px;
}

.frequency div img {
    position: absolute;
    top: 23%;
    right: 29%;
    padding: 1rem;
    cursor: pointer;
}