.logo{width:200px;height:50px}.down{display:flex;align-items:center;margin-left:37px;font-weight:700;font-size:16px;color:#ffd200}.down:hover{color:#ffd200}.down .down-icon{margin-left:10px;width:12px;height:12px}.download-container{position:relative}.qr-code{display:none;position:absolute;top:100%;left:50%;transform:translate(-50%);padding:10px;background:#fff;border-radius:4px;box-shadow:0 2px 8px #00000026}.qr-code img{width:120px;height:120px}.download-container:hover .qr-code{display:block}.main-content .banner{width:100%}.main-content .title{margin:54px 0 85px;width:100%;text-align:center;font-size:32px;color:#333}.main-content .middle{margin:0 auto 100px;width:60%;display:flex;justify-content:space-between}.main-content .middle .item{display:flex;flex-direction:column;justify-content:center;align-items:center}.main-content .middle .item .icon{width:124px;height:124px}.main-content .middle .item .stitle{margin:20px 0 10px;color:#333;font-size:24px;font-weight:800}body{margin:0;font-family:Arial,sans-serif;background-color:#f0f2f5;border:0;padding:0}