*{color: #000000;}
img{max-width: 100%;height: auto;}
a{color: #5E52FF;}
a:hover{color: #020202;}
.flex-box{
    display: flex;
    justify-content: space-between;
}
.container{
    width: 100%;
    max-width: 1140px;
}
.banner{background: #F9F6FF;text-align: center;padding: 52px 0 40px;}
.banner h1{font-size: 40px;font-weight: 800;line-height: 50px;}
.banner p.info{font-size: 16px;line-height: 24px;margin: 16px 0 14px;}
h2{
    font-size: 32px;
    color: #000000;
    font-weight: 600;
    text-align: center;
}
.products{
    margin: 40px auto 100px;
}
.products .flex-box{
    margin: 30px auto 40px;
}
.products .item{
    margin: 20px 8px 0px;
    width: 538px;
    box-shadow: 0px 8px 18px 0px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    padding: 26px 30px 34px;
    border-radius: 20px;
    text-align: center;
}
.products .item img{
    height: 61px;
    width: auto;
    display: block;
    margin: 0px auto;
}
.products .item .title{
    color: #000000;
    font-size: 30px;
    font-weight: 600;
    line-height: 48px;
    margin-top: 40px;
}
.products .item .price{
    color: #e11717;
    width: 124px;
    margin: 40px auto;
}
.products .item .price span{
    color: #e11717;
}
.products .item .des{
    color: #666;
    max-width: 370px;
    margin: 40px auto;
    font-size: 16px;
    line-height: 28px;
}
.products .item .price span:nth-child(1){
    font-size: 24px;
    font-weight: 900;
    line-height: 50px;
}
.products .item .price span:nth-child(2){
    font-size: 66px;
    font-weight: 900;
}
.products .item .price span:nth-child(3){
    font-size: 24px;
    font-weight: 900;
    line-height: 50px;
}
.btn{
    text-align: center;
    margin-top: 40px;
}
.btn a{
    display: block;
    width: 140px;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    font-weight: 500;
    background: #1ABC9C;
    border-radius: 6px;
    box-sizing: border-box;
    color: #fff;
    margin: 20px auto 0px;
    position: relative;
    transition: all .5s;
    cursor: pointer;
}
.btn a:hover{
    background: #12AB8D;
    transform: translateY(-10px);
}
.btn a::before{
    content: "";
    clear: both;
    position: relative;
    background: url(/img/about/windows.svg) center no-repeat;
    background-size: 16px 16px;
    width: 16px;
    height: 16px;
    display: inline-block;
    vertical-align: -3px;
    margin-right: 3px;
}
.btn a.win::before{
    background: url(/img/about/windows.svg) center no-repeat;
    background-size: 16px 16px;
}
.btn a.mac::before{
    background: url(/img/about/mac.svg) center no-repeat;
    background-size: 16px 16px;
}
@media (max-width: 800px){
    .products .flex-box{
        flex-wrap: wrap;
        flex-direction: column;
        align-items: center;
    }
    .products .item{
        max-width: 540px;
        width: 100%;
        margin: 20px auto;
    }
    .products .item .price{
        flex-wrap: nowrap;
        flex-direction: row;
        align-items: normal;
    }
  }