.container{
   position: relative;
    width:100%;
    min-width: 1200px;
    height: 4100px;
    background:url(https://res.coc.10086.cn/res/res1/baiduCard/static/images/bg.jpg) no-repeat center center;
    background-size:cover;
}
.container>img{
    width: 100%;
}
.checkoutOrder{
    position: absolute;
    right: 0;
    top:80px;
    display: block;
    width: 180px;
}
.checkoutOrder>img{
    width: 180px;
}
.btn1{
    position: absolute;
    top: 850px;
    left: 0;
    right: 0;
    width: 1200px;
    margin:auto;
}
.btn1>img{
    width: 600px;
    margin:0 auto;
}

.btn2{
    position: fixed;
    bottom: 130px;
    left: 0;
    right: 0;
    width: 1200px;
    margin:auto;
    z-index: 2;
}
.btn2>img{
    width: 600px;
    margin:0 auto;
}
.tip{
    position: absolute;
    left:0;
    right: 0;
    bottom: 350px;
    margin: auto;
    color: #ffffff;
    text-align: center;
    text-decoration: underline;
}

.pagemask{
    position: fixed;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 99;
}
.popwindow{
    width: 70%;
    height: 580px;
    font-size:24px;
    color: #262626;
    line-height: 60px;
    border-radius: 5px;
    overflow: hidden;
    padding: 30px 30px 10px;
    background-color: #fff;
    position: fixed;
    left: 13%;
    top:5%;
    z-index:999;
}

.close{
    position: absolute;
    right: 35px;
    top: 30px;
    
}

.title{
    color: #333;
    font-size: 36px;
    text-align: center;
    margin: 0 auto 20px;
    font-weight: 600;
}

.content{
    position: relative;
    height:450px;	
    overflow: auto;
}