.main_body{align-items:center;background-size:cover;height:100vh}.content,.main_body{display:flex;justify-content:center}.content{flex-direction:row;height:80vh;width:90%}.left_content{width:40%}.image_word{height:-webkit-fit-content;height:-moz-fit-content;height:fit-content;width:100%}.operation{align-items:center;flex-direction:row;margin-top:7vh}.btn_group,.operation{display:flex;justify-content:center}.btn_group{flex-direction:column;width:37%}.btn_group .btn_item{align-items:center;border-radius:5px;color:#fff;cursor:pointer;display:flex;flex-direction:row;font-size:28px;height:8vh;justify-content:center}.btn_group .btn_item .btn_text{margin-left:4%;margin-top:-3%}.image_qr_code{margin-left:12%;width:28%}.image_pic{height:-webkit-fit-content;height:-moz-fit-content;height:fit-content;width:50%}.mb_main_body{align-items:center;background-size:cover;display:flex;flex-direction:column;height:100vh;overflow-x:hidden;overflow-y:scroll}.mb_logo{margin-top:3vh;width:12%}.mb_logo,.mb_word{height:-webkit-fit-content;height:-moz-fit-content;height:fit-content}.mb_word{width:80%}.mb_btn_group{display:flex;flex-direction:column;justify-content:center;margin-bottom:4vh;margin-top:4vh;width:42%}.mb_btn_group .mb_btn_item{align-items:center;border-radius:5px;color:#fff;display:flex;flex-direction:row;font-size:18px;height:6vh;justify-content:center}.mb_btn_group .mb_btn_item .mb_btn_text{margin-left:4%}.mb_pic{height:-webkit-fit-content;height:-moz-fit-content;height:fit-content;width:80%}.mb_wx_box{align-items:center;height:100vh;justify-content:center;left:0;position:absolute;top:0;width:97%}.mb_wx_share{height:90vh}