@media screen and (min-width:980px) and (max-width:1024px){
    .index_top{padding:25px 10px;}
    .screen_one_text{width:80%;}
    .screen_two_top{width:85%;}
    .screen_five_t{height: 45%;}
    .screen_six_t{height: 40%;}
    .screen_six_main,.index_foot,.page_top_main,.page_bt_main,.newslist_main,.about_tj ul,.screen_four_main,.screen_three_main{padding:0 10px;}
    .lb_box{top:38%;}
    .news_next{margin-bottom:35px;}
    .newslist_top{margin-bottom:20px;}
    .newslist_bottom{margin-bottom:40px;}


}

@media screen and (min-width:619px) and (max-width:980px) {
    .lb_box{top:35%;}
    .index_top{padding:25px 10px;}
    .screen_one_text{width:98%;}
    .screen_one_text p{width:50%;}
    .screen_t_text{margin:20px auto}
    .screen_two_top{width:95%;}
    .screen_two_ul li p{width:70%;margin-left:10px;height: 50px;overflow: hidden;}
    .screen_three_top{padding:0 10px;}
    .screen_three_ul ul{flex-wrap:wrap;}
    .screen_three_ul li{width:49%;}
    .screen_three_ul li:nth-child(1),.screen_three_ul li:nth-child(2){margin-bottom: 10px;}
    .screen_four_top ul{flex-wrap:wrap;}
    .screen_four_top{padding:0 10px;}
    .screen_four_top li{width:50%;}
    .screen_five_t{height:55%;}
    .lb_text{padding-top:60px;}
    .screen_six_t li{width: 49%;height: 31%;}
    .screen_six_f_text{padding-top:30px;}
    .screen_six_t{padding:0 10px;}
    .screen_seven_bottom{display: block;}
    .screen_seven_bottom>div{width:100%;border:none;}
    .screen_seven_t{height:60%;}
    .screen_seven_b_box2{text-align: left;margin:20px 0;}
    .screen_seven_b_box3{padding-left:0;}
    .screen_seven_b_b3_t{width:80%;}
    .index_foot{padding:0 10px;}
    .screen_six_main,.index_foot,.page_top_main,.page_bt_main,.newslist_main,.about_tj ul,.screen_four_main,.screen_three_main{padding:0 10px;}
    .page_top_left{width:100%;line-height: 55px;}
    .page_top_right{width:100%;line-height: 55px;}
    .page_top_main{flex-wrap:wrap;}


    .about_big{margin:20px 0;}
    .about_bottom{padding:30px 20px;}
    .about_bottom li p{overflow: hidden;
        white-space: nowrap;
        text-overflow: ellipsis;}
    .about_top{margin:20px 0;}
    .about_tj{margin:20px 0 30px;}
    .page_bt{margin-top:30px;}
    .newslist_top{margin:30px 0;}
    .newslist_bottom{margin-bottom:45px;}
    .news_text{margin-top:25px;}
    .news_next{margin:30px 0;}
    .product{margin:30px auto;}
}


@media screen and (max-width: 619px) {
	 .news_n_right a{display:none;}
    .lb_box{top:32%;}
    .index_top{padding:15px 10px;}
    .index_top_r_phone{display: none;}
    .index_top_left{font-size:25px;line-height: 47px;}
    .index_nav{top:77px;padding:0 10px 50px;}
    .index_nav li{margin-top:60px;}
    .screen_one_text{width:98%;padding:35px 0;}
    .screen_one_text h2{font-size:20px;}
    .screen_one_text ul li a{font-size: 14px;}
    .screen_one_text ul li{background-size: contain;}
    .screen_one_text ul{padding:0 10px;}
    .screen_one_text img{margin:5px 0;height: 35px;}
    .screen_one_text p{font-size: 15px;width:70%;margin-top: 20px;}
    .screen_one{background-size: cover;}
    .index_nav li a{font-size: 16px;}
    .screen_two_ul ul{flex-wrap:wrap;}
    .screen_two_ul li{width:100%;}
    .screen_two_top{width:100%;padding:0 10px;}
    .screen_t_text{width:100%;margin:15px 0;line-height: 25px;}
    .screen_two_top h2{font-size: 25px;}
    .swiper-container .phone_two{height:0;!important;}
    .screen_three_main{padding: 0 10px;}
    .screen_three_top h2{font-size:25px;}
    .screen_three_ul ul{flex-wrap:wrap;}
    .screen_three_ul li{width:49%;padding:20px 5px;}
    .screen_three_ul li p{margin:15px 0;font-size: 16px;}
    .screen_three_ul{margin-top:20px;}
    .screen_three_ul li:nth-child(1),.screen_three_ul li:nth-child(2){margin-bottom:10px;}
    .screen_three_fl{padding:20px 10px;}
    .screen_three_fl a{font-size: 16px;}
    .screen_three_fl_text{font-size: 15px;line-height: 25px;}
    .screen_three_fl h4{margin:5px 0 10px}
    .screen_four_top h2{font-size:25px;}
    .screen_four_main{padding:0 10px;}
    .screen_four_top ul{flex-wrap:wrap;margin-top:25px;}
    .screen_four_top li{width:50%;}
    .lb_text{width:80%;line-height: 25px;padding-top:40px;}
    .lb_t_text{height: 120px;overflow: hidden;}
    .lb_text a{margin:15px auto;}
    .lb_text h3{margin-top:20px;}
    .screen_five_t{height: 60%;}
    .screen_six_t li{width:49%;height: 32%;}
    .screen_six_f_text{padding-top:15px;}
    .screen_six_f_text h2{font-size: 22px;}
    .screen_six_f_text h3{margin:10px auto;}
    .screen_six_f_text p{padding: 0 10px;font-size: 15px;}
    .screen_six_t li:nth-child(6){background-size: contain;}
    .screen_six_t li:nth-child(6) a{font-size: 16px;}
    .screen_seven_bottom{flex-wrap:wrap;margin-top:20px;}
    .screen_seven_bottom>div{width:100%;}
    .screen_seven_t{height:75%;}
    .screen_seven_b_box1 p{font-size: 16px;margin-bottom:10px;}
    .screen_seven_b_box1, .screen_seven_b_box2{border:none;}
    .screen_seven_b_b3_t{font-size: 15px;line-height: 25px;}
    .screen_seven_b_box3{padding:0;}
    .screen_seven_b_box2{margin:15px 0;}
    .screen_seven_b_box3 h3{margin-top:10px;}
    .screen_seven_t{padding-top:30px;}
    .index_foot{padding:0 10px;flex-wrap:wrap;height: 10%;text-align: center;}
    .screen_seven{height: 90%;}
    .index_foot p{width: 100%;margin-right:0;}


    .ipad_box2{display: block;}
    .page_banner{display: none;}
    .ipad_newslist_none{height:49px;}
    .page_top{display: none;}
    .page_bt{display: none;}
    .cpfl{display: flex;margin-top:10px;}
    .newslist_main{padding:0 10px;}
    .newslist_top{margin-top:15px;margin-bottom:25px;}
    .newslist_top ul{flex-wrap:wrap;}
    .newslist_top li{width:100%;}
    .newslist_top_text{line-height: 25px;margin: 0;font-size:15px;}
    .newslist_top li a{margin: 10px 0 5px;font-size: 16px;}
    .newslist_top li{padding:10px;}
    .newslist_top li:nth-child(1){margin-bottom:15px;}
    .newslist_bottom li{width:100%;}
    .newslist_bottom li{padding:15px 10px;}
    .newslist_bottom_text{font-size: 15px ;line-height: 25px;margin-top:10px;}
    .newslist_bottom li a{font-size: 16px;}
    .newslist_bottom li:nth-child(4),.newslist_bottom li:nth-child(5),.newslist_bottom li:nth-child(6){display: none;}
    .newslist_bottom{margin-bottom:25px;}
    .productlist_bottom li{width:49%;}
    .productlist_bottom{margin:0 0 25px;}
    .productlist_bottom li p{line-height: 25px;}
    .news_text p span{display: block;}
    .product p span{display: block;}
    .news_text{margin-top:15px;}
    .pro_list{display: none;}
    .product{width:100%;margin:15px 0;}
    .product h2{font-size: 18px;margin-bottom:10px;}
    .news_next{margin:30px 0;}
    .about_top{margin:20px 0;}
    .about_top h2{font-size:20px;}
    .about_top span{font-size: 15px;margin:5px 0;}
    .about_bottom{padding:20px 0;margin-bottom:25px;}
    .about_big{margin:20px 0;}
    .about_bottom ul{flex-wrap:wrap;}
    .about_bottom li{width:50%;}
    .about_bottom li span{font-size: 16px;margin:5px 0;}
    .about_bottom li p{font-size: 15px;overflow: hidden;padding:0 10px;
        white-space: nowrap;
        text-overflow: ellipsis;}
    .about_bottom li:nth-child(1),.about_bottom li:nth-child(2){margin-bottom:10px;}
    .about_tj{margin:0 0 25px 0;background-size: auto;}
    .about_tj ul{flex-wrap:wrap;}
    .about_tj li{width:85%;margin:0 auto 5px;}
    .index_nac_col img{width:25px;}
    .phone_foot{display: block;}
    .foot_none{height:74px;}
}

@media screen and (min-width:375px) and (max-width:619px)
{.lb_box{top:30.5%;}}