.service2-1 {
    height: 628px;
    background: url("https://taozhi-static-1310526484.cos.ap-guangzhou.myqcloud.com/static%2Fimage%2Fservice2-3.png") no-repeat center;
    background-size: 1030px 448px;
}
.service2-2 {
    height: 612px;
    background: url("https://taozhi-static-1310526484.cos.ap-guangzhou.myqcloud.com/static%2Fimage%2Fservice2-2.png") no-repeat center;
    background-size: 1920px 100%;
}
.service2-3 {
    height: 780px;
    background: url("https://taozhi-static-1310526484.cos.ap-guangzhou.myqcloud.com/static%2Fimage%2Fservice2-1.png") no-repeat center;
    background-size: 1222px 586px;
}
a {
    color: inherit;
    text-decoration: none;
}