/*
1919px [1920×1080]
*/
@media only screen and (max-width: 1919px) {

}
/*
1800px 过渡尺寸
*/
@media only screen and (max-width: 1800px){
html{ font-size: 90px; }
}
/*
1680px [1680×1050]
*/
@media only screen and (max-width: 1680px) {
html{ font-size: 80px; }

}

/*
1500px 过渡尺寸
*/
@media only screen and (max-width: 1500px) {

}
/*
1600px [1600×900]
*/
@media only screen and (max-width: 1600px) {


}

/*
1440px [1400×900]
*/
@media only screen and (max-width: 1440px) {


}

/*
1400px 过渡尺寸
*/
@media only screen and (max-width: 1400px) {
html{ font-size: 70px; }
}


/*
1366px [1366×768]
*/
@media only screen and (max-width: 1366px) {

}

/*
1280px [1280×1024] [1280×800]
*/
@media only screen and (max-width: 1280px) {



}
/*
1200px 过渡尺寸
*/
@media only screen and (max-width: 1200px) {
html{ font-size: 60px; }
.w1200{ width: 96%; }
.top,.top1,.n_top{ display: none; }
.dian{ height: 50px; }
.sp_header{ display: block; }
span.spanpagelist{ display:none}
span.spanpagejump{ display:none}
.page_fy a {padding: 5px 10px; border: #eee 1px solid;}
.n_dh {

	white-space: nowrap;
	/*设置横向滚动*/
	overflow-x: scroll;
	/*禁止纵向滚动*/
	overflow-y: hidden;
	/*设置边距改变效果为内缩*/
	box-sizing: border-box;
}

.n_dh::-webkit-scrollbar {display: none;}
.banner .swiper-button-next, .banner .swiper-button-prev{ display: none; }
.banner .text .con{ width: 100%; }

}

/*
1100px 过渡
*/
@media only screen and (max-width: 1100px) {


}

/*
1024px [1024×768] ipad1 ipad2 ipad mini 手机端开始
*/
@media only screen and (max-width: 1024px) {

}

/*
1000px 过渡
*/
@media only screen and (max-width: 1000px) {


}

/* 900px 过渡 */
@media only screen and (max-width: 900px) {
.youshi_list {
    grid-template-columns: repeat(1, 1fr);
    gap: 20px;
}
.banner .w1200{max-width: 90%;}
.Trucks_list{grid-template-columns: repeat(2, 1fr); gap: 20px;}
.Feature_youshi_list li{ display: block; }
.Feature_youshi_list li .pic_box{ width: 100%; float: none; margin:30px auto; }
.Feature_youshi_list li .text{ width: 100%; }
.Feature_youshi_list1{ width: 100%; }
.Feature_youshi_list2,.Feature_youshi_list6{
     display: block;

}
.Feature_youshi_list4 { display: block; }
.Feature_youshi_list4 .item_pic,.Feature_youshi_list4 .item{ width: 100%; margin:20px auto; float: none; }
.Feature_box4_list,.tong_dec{ display: block; }
.tong_dec .pic,.tong_dec .con{ float: none; width: 100%; margin:20px auto; }
.work_nlist,.Features_con ul{ display: block; }
.Features_con ul li{ margin:10px auto; }
.guige_list1{    column-count: 1;
    column-gap: 0px;}
   .guige_list1 .item .tit{ font-size: 18px; }
   .tong_dec{ margin:15px auto; }
   .guige_list1 .item .dec{ font-size: 14px; }
}

/* 800px 竖屏 安卓平板 */
@media only screen and (max-width: 800px) {

}

/* 768px 竖屏 ipad mini */
@media only screen and (max-width: 767px) {
.tong_connr img{ width: auto!important; height: auto!important; display: block; }
.Feature_youshi {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin: 20px auto;
}
.banner .text h1{ font-size: 26px; }
.banner .more a{ display: block; width: calc(100% - 44px); text-align: center; margin:10px auto; }
.box1{ margin-top: 10px; }
.youshi_list li h5{ font-size: 18px; }
body{ font-size: 14px; }
.youshi_list li img{ width: 50px; }
.youshi_list li a{ padding:20px; }
.index_dh h2, .index_dh h1{ font-size: 12px; }
.index_dh p{ font-size: 18px; }
.about{ margin:15px auto; line-height: 1.5; }
.link {
    margin: 15px auto;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}
.Trucks_list{ display: block; }
.Trucks_list li h3{ padding:30px 15px 15px 15px; }
.foot_nav li.li{ float: none; width: 100%; }
.work_nlist{ display: block; }
.middle{ margin:15px auto; }
.Feature_dh h2{ font-size: 26px; }
.Feature_youshi li h3{ font-size: 16px; }
.lxwm_n .lxwm_m .lxwm_m_l{ float: none;width: calc(100% - 30px); margin:auto; padding:30px 15px; }
.lxwm_n .lxwm_m .lxwm_m_l p{ margin-top: 10px; }
.mess_con dd input.button{ margin:10px auto; }
.mess_con dd{ text-align: center; }

}



/* 700px 过渡 */
@media only screen and (max-width: 700px) {





}

/* 640px 过渡 */
@media only screen and (max-width:640px){


}
/* 绝对手机模式 */
@media only screen and (max-width: 600px) {

}

/* 苹果s */
@media only screen and (max-width: 414px) {

}

/* 苹果普通、X */
@media only screen and (max-width: 375px) {

}

/* 安卓小屏 */
@media only screen and (max-width: 360px) {


}

/* 苹果5 */
@media only screen and (max-width: 320px) {
body{ font-size: 12px; }

}

/*手机横屏*/
@media (max-width:850px) and (max-height:414px) {


}

@media (max-width:600px) and (max-height:320px) {

}