body,html{overflow:hidden;height:100%;max-width:640px;margin:0 auto}.fix-bk{background-repeat:no-repeat;background-position:50%;background-size:cover;transform:translateZ(0);-ms-transform:translateZ(0);-webkit-transform:translateZ(0);-o-transform:translateZ(0);-moz-transform:translateZ(0);transform-style:preserve-3d;-webkit-transform-style:preserve-3d}.downloadpage{height:100%;overflow-x:hidden;overflow-y:auto}.head-logo{margin-top:50px;text-align:center;width:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.logo{width:50%}.middle-content{padding:20px}.middle-content img{width:100%}.bottom-btn{text-align:center;width:100%;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center;-webkit-box-align:center;-ms-flex-align:center;align-items:center}.download-img{margin:0 auto;width:80%}.guide-div{position:fixed;height:100%;width:100%;z-index:9999;top:0;right:0;left:0;bottom:0;opacity:.7;background:#000;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.guide-img{width:90%;height:60%}.pc-btn{margin:0 auto;width:80%;height:100%}.pc-btn a{margin:0 auto;margin-bottom:1rem;text-align:center;color:#1890ff;height:60px;width:100%;line-height:60px;display:block;border-radius:1.5rem;border:1px solid #1890ff}