#app{flex:1;display:flex;flex-direction:column}.banner{width:100%;height:580px}.header{position:absolute;top:0;display:flex;flex-direction:row;justify-content:center;align-items:center;height:15%;width:100%}.v_title{font-size:30px;color:#f0f8ff;font-weight:600;margin-right:100px}.v_select{cursor:pointer;margin:0 5%;font-size:15px;font-weight:700}.bg_yellow{color:#ff0}.bg_aliceblue{color:#f0f8ff}.v_content{margin-top:10px;margin-bottom:10px}.swper_view,.v_content{display:flex;flex-direction:row}.v_prodect{display:flex;flex-direction:column;margin-top:20px}.pro_img_view{display:flex;justify-content:space-around;height:450px;margin-top:30px;margin-bottom:30px}.pro_img_view,.v_content_About{margin-left:15%;margin-right:15%}.v_content_About{flex-direction:column;margin-bottom:10px}.footr{display:flex;justify-content:center;align-items:center;background:#a9a9a9;height:100px}.index_view{display:flex;flex-direction:row;margin-top:50px}.v_text{font-size:15px;margin-top:10px;margin-bottom:10px}