.index {
    margin: 0px;
    padding: 0px;
    width: 100%;
    height: 100%;
    background: url("../img/bg.png");
    background-size: cover;
    background-repeat: no-repeat;
}
.down {
    width: 100%;
    height: 100%;
    background: url("../img/bj.png");
    background-size: cover;
    background-repeat: no-repeat;
}

.cx {
    margin-top: 25px;
    margin-left: 234px;
}


.logo {
    width: 350px;
    height: 71px;
    margin-left: 14px;
}

.logo-img {
    float: left;
}

.logo-tt {
    margin-left: 19px;
    width: 200px;
    height: 100%;
    float: left;
}

.logo-tx {
    height: 29px;
    font-size: 30px;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 40px;
    margin-bottom: 11px;
    margin-left: 0px;
    padding-left: 0px;
}


.logo-txc {
    height: 15px;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(255, 255, 255, 1);
    line-height: 40px;
    opacity: 0.6;
}

.cx-item-list {
    width: 618px;
}

.cx-item {
    width: 100%;
    height: 203px;
    background: url("../img/ibg.png");
}

.cx-item-b {
    width: 100%;
    height: 262px;
    background: url("../img/ibg2.png");
}

.cx-item-i {
    margin-top: 50px;
    margin-left: 55px;
    position: absolute;
}

.cx-item-img {
    float: left;
}

.cx-item-tt {
    float: left;
    margin-left: 6px;

}

.cx-item-tx {
    height: 34px;
    font-size: 36px;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(78, 87, 117, 1);
    line-height: 40px;
    margin-bottom: 15px;
}

.cx-item-txc {
    height: 23px;
    font-size: 16px;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(78, 87, 117, 1);
    line-height: 30px;
}

.btn {
    width: 321px;
    height: 85px;
    border: 3px solid rgba(117, 253, 177, 1);
    border-radius: 43px;
    text-align: center;
    line-height: 85px;
    margin-left: 30px;
    margin-top: 20px;
    cursor: pointer;
}

.txt {
    width: 190px;
    height: 85px;
    font-size: 24px;
    font-family: PingFang SC;
    font-weight: 400;
    color: rgba(117, 253, 177, 1);
    line-height: 85px;
    cursor: pointer;
}

.btn:active{
    background: white;
    border: 3px solid rgba(46,82,255,1);
}

.btn:active .txt{
    color: rgba(46,82,255,1);
}