.wrap {
    margin: 0 auto;
    min-width: 1000px;
    max-width: 1920px;
    background: url(../img/h5/bg1.jpg) center bottom no-repeat;
    background-size: cover;
    position: relative;
    height: 100%;
    width: 100%;
}
.main {
    width: 1200px;
    margin: 0 auto;
    /*height: 972px;*/
    position: relative;
    overflow: hidden;
}
.box {
    width: 446px;
    height: 892px;
    margin: 40px auto;
    position: relative;
    background: url(../img/h5/box.png) no-repeat;
    background-size: 100% 100%;
    box-sizing: border-box;
    padding: 23px 27px 22px 25px;
}
.web {
    width: 100%;
    height: 100%;
    border-radius: 40px;
    overflow: hidden;
}
iframe {
    border: 0;
    width: 100%;
    height: 100%;
}

.logo_a{
    position: absolute;
    width: 220px;
    height: 80px;
    left: 3.5%;
    top: 4.5%;
}
.logo{position: absolute;left: 70px;top: 75px;}