*{
    margin:0;
    padding:0;
}
body{
    /* 设置body高度为100%窗口高度 */
    height:100vh;
    /* 弹性盒子模型 */
    display: flex;
    /* 限免两个属性是让body里的子类居中 */
    justify-content: center;
    align-items: center;
    background-color: #d3d3d3;
}
.container{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    width: 350px;
    height: 450px;
    border-radius: 20px;
    background-color: #fff;
    /* 盒子阴影 */
    box-shadow: 15px 15px 10px rgba(33,45,58,0.3);
    overflow: hidden;
    position:relative;
}
.tx {
    position: absolute;
    top: 30px;
    left: 20px;
    display: flex;
    width: 70px;
    height: 70px;
    float: left;
    margin-left: 10px;
    border-radius: 50%;
}
.name {
    position: absolute;
    top: 35px;
    left: 135px;
    font-size: 20px;
}
.qr {
    position: absolute;
    top: 125px;
    left: 50px;
    display: flex;
    width: 250px;
    height: 250px;
}
.name1 {
    position: absolute;
    top: 400px;
    left: 105px;
    display:flex ;
    font-size: 12px;
    color: #636363;
}
.txt {
    position: absolute;
    top: 80px;
    left: 110px;
    display: flex;
    font-size: 13px;
    color: #636363;
}