* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    position: relative;
}

body {
    background-color: #f6f6f6;
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Roboto, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", "Microsoft Jhenghei", sans-serif;
}

.panel {
    width: 90%;
    max-width: 720px;
    margin: 5rem auto 0 auto;
    
}

.row {
    width: 350px;
    display:block;
    margin: 0 auto;
}


.row .column {
    width: 48%;
    height: auto;
    display: inline-block;
}
.cell {
    width: 150px;
}
.cell .cell-img 
{
    width: 90px;
    height: 90px;
    margin: 0 auto;
}
.cell .cell-item {
    margin-top: 10px;
    text-align: center;
}

.cell-img .img-1 {
   width: 100%;
   height: 100%;
   background-image:url('/img/8356f2288ef0847.jpg');
   background-repeat: round;
   
}
.cell-img .img-2 {
    width: 100%;
    height: 100%;
    background-image:url('/img/df785a74a6f9276361d5a5b8aa3d9dbc.jpeg');
    background-repeat: round;
 }



.big-title {
    text-align: center;
    font-size: 3rem;
    margin-right: 0px;
    margin-bottom: 26px;
    margin-left: 0px;
    color: rgb(24, 144, 255);
    font-weight: bold;
}

.description 
{
    font-size: 1rem;
    line-height: 2rem;
    margin-bottom: 1rem;
    text-align: left;
}
.wechat-group {
    margin: 0 auto 2rem auto;
    width: 35%;
    border-bottom: 2px solid rgb(24, 144, 255);
}

.footer {
    position: fixed;
    left: 0;
    right: 0;
    bottom: 0;
    margin: 0 auto 20px auto;
    width: 400px;
}