.intro {
    background-color: #00a9ec;
    color: #fff;
    width: 100%;
    height: 110px;
}

.intro p{
    font-size: 30px;
    line-height: 110px;
    text-align: center;
}

.content .title {
    padding-top: 80px;
    font-size: 35px;
    text-align: center;
}

.product {
    width: 100%;
    margin-top: 40px;
}
.product img{
    width: 100%;
}

.btn {
    width: 500px;
    height: 140px;
    border-radius: 18px;
    background-color: #df0023;
    color: #fff;
    margin: 100px auto;
    /*margin-top: 100px;*/
    align-content: center;
    position: relative;
    margin-bottom: 100px;
}
.btn div {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    font-size: 20px;
    width: 90%;
    text-align: center;
}

.btn div span{
    margin-left: 10px;
    width: 90%;
    font-size: 50px;
    line-height: 140px;
}
.scan {
    width: 60px;
    margin-top: -20px;
}

/*width="856" height="480"*/