html {
    min-height: 100%;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
    background: url("../images/bg@2x.png") no-repeat center;
    background-size: 100% 100%;
}
body, .container {
    background: transparent;
}
body {
    font-family: PingFangSC-Regular, 微软雅黑, "Microsoft YaHei", sans-serif;
}
.container {
    max-width: 500px;
    padding: 0;
    position: relative;
}
.dialog {
    background-color: rgba(0,0,0,0.54);
    position: fixed;
    width: 100%;
    max-width: 500px;
    height: 100%;
    top: 0;
    bottom: 0;
}
.dialog .dialog-main {
    position: relative;
    width: 78%;
    height: 0;
    margin-top: 20%;
    margin-left: auto;
    margin-right: auto;
}
.dialog .content {
    padding-left: 10%;
    padding-right: 10%;
    padding-top: 44px;
}
.dialog-close {
    width: 22px;
    position: absolute;
    top: 22px;
    right: 30px;
}
.dialog-confirm {
    width: 20%;
    height: 0;
    padding-bottom: 20%;
    position: absolute;
    bottom: 10%;
    left: 40%;
}