@media screen and (max-width: 1199px){
    .box1200, .box120{display: none}
    .box768{display: block}
    .box4 .words h6{display: block}
    .box4 h6{display: none}
    .box4 .words .pic{margin-top: 0px}
    .box4 .words{padding: 15px;}
    .box4 .words h5{margin: 25px 0px}
    .box4{padding: 0.5rem 0px;}









}


@media screen and (max-width: 919px){
    .box3_list li{width: 32%; margin-right: 2%;}
    .box3_list li:nth-of-type(3n+3){margin-right: 0;}
    .box3_list li:nth-of-type(4n+4){margin-right: 2%;}
    .fooh ul{display: none}
    .fooh{justify-content: center}
}

@media screen and (max-width: 767px){
    .tit h6{font-size: 24px}
    .tit h5{font-size: 16px}
    .box768 li:nth-of-type(2n+2){float: right;}
    .box768 li{margin-right: 0px; width: 48%;}
    .box2_swiper .swiper-slide a{display: block; height: auto;}
    .box2_swiper .pic{margin-top: 20px;}
    .box2_swiper .words{padding: 10px;  max-width: none; margin-top: 15px;}
    .box2_swiper .words p{height: auto; font-size: 14px; line-height: 24px}
    .box2_swiper .words h6{font-size: 24px; }
    .box2_swiper .words h5{font-size: 16px; margin: 10px 0px}
    .box2_swiper .swiper-container{height: auto; min-height: 479px; }
    .box2_swiper .pic{width: 100%; padding: 22% 0px; max-height: 300px;}
    .box2_swiper .swiper-prev, .box2_swiper .swiper-next{bottom: 0px;}
    .box2_swiper::after{content: none}
    .box3_list li p{line-height: 36px;}
    .box3_list li{width: 48%; margin-right: 0 !important; }
    .box3_list li:nth-of-type(2n+2){float: right;}
    .box3{margin-top: 25px}
    .box4 .words .pic{margin-right: 0px; float: none; width: 100%; padding: 25% 0px}
    .box4 .words h6{float: none; font-size: 24px; margin-top: 15px; width: 100%;}
    .box4 .words h5{float: none; font-size: 20px; margin: 10px 0px;}
    .box4 .words p{float: none; font-size: 14px; line-height: 24px; width: 100%;}
    .box5_swiper .swiper-slide h5{padding: 5px 0px; font-size: 18px; }
    .fend .layout{flex-direction: column; justify-content: center}
    .all_nav dl{display: none}
    .all_nav ul{float: none;}
    .all_nav ul li{line-height: 36px; width: 25%; margin: 0px !important; text-align: center}
    .all_nav ul li::after{bottom: 0px; }
    .about .words iframe, .about .words img{ width: 100%; margin: 0 0 20px !important;  float: none !important; }
    .about .words{padding: 15px;}
    .news_list li .pic{float: none; width: 100%; padding: 25% 0px;}
    .news_list li h5{font-size: 18px; margin-top: 0px; padding: 0.1rem 0px}
    .news_list li .words{width: 100%; padding-left: 0px}
    .pro_list li{margin-right: 0px !important; width: 48%}
    .pro_list li:nth-of-type(2n+2){float: right;}
    .pro_list li p{padding: 0 5px; font-size: 14px;}
    .pro_list li p i, .fix_list{display: none}
    .box4 .words .video{left: 15px; right: 15px; width: auto; height: auto; margin-left: 0px;  top: 50%; height: auto; padding: 50% 0px;}
    .box4 .words .pic img{object-fit: cover}
    .all_nav1{margin-top: 10px;}














}

@media screen and (max-width: 413px){



}