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

}
/*
1800px 过渡尺寸
*/
@media only screen and (max-width: 1800px){

}
/*
1680px [1680×1050]
*/
@media only screen and (max-width: 1680px) {


}

/*
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) {

.index_dh b{ font-size: 54px; }
.index_dh b{ height: 50px;    max-width: 235px; }
.index_dh1 b{max-width: 265px; height:60px;}
.index_dh2 b{max-width: 350px;}
.product li .text{ font-size: 18px; }

}

/*
1400px 过渡尺寸
*/
@media only screen and (max-width: 1400px) {

}


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

}

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

.w1300{ width: 100%; }

}
/*
1200px 过渡尺寸
*/
@media only screen and (max-width: 1200px) {

.w1200{ width: 96%; }
.top{ display: none; }
.ul_con ul{ float: none; width: 100%; }
}

/*
1100px 过渡
*/
@media only screen and (max-width: 1100px) {
.index_dh b{ font-size: 36px; }
.index_dh b{ height: 33px;    max-width: 160px; }
.index_dh1 b{max-width: 170px; height: 40px;}
.index_dh2 b{max-width: 230px;}


.product li .text{ font-size: 16px; }
.index_dh{ padding-top: 30px; }
.middle{ margin: 30px auto; }
.foot1{ padding: 50px 0px; }
.pic_list li .text span{ font-size: 20px; }
.pic_list li .text p{ margin: 20px auto; display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 3;
overflow: hidden;
}
.nbanner .pic span{ padding-top: 25%; }
.n_name{ font-size: 24px;  text-align: center; }
.classname{text-align: center;}
.classname li{ float: none; display: inline-block; }
.pic_r .text{ font-size: 26px; }
.pic_box{ height: 385px; }
.banner .swiper-button-next, .banner .swiper-button-prev{ display: none; }
}

/*
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) {


}

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

.pic_list li .pic{ width: 30%; }
.pic_list li .text{ width: 65%; }

.pic_box{ height: 300px; }
.pic_r .text{ margin-top: 30px; }
.video_list li .pic i{ font-size: 30px; margin-top: -15px; margin-left:-15px; }
.video_list li h4{ font-size: 14px; }
.swiper-pagination-bullet{ width: 10px;  }
}

/* 768px 竖屏 ipad mini */
@media only screen and (max-width: 768px) {


}



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

.classname  {
	width: 100%;
	height: 50px;
	line-height: 50px;
	/*段落中文本不换行*/
	white-space: nowrap;
	/*设置横向滚动*/
	overflow-x: scroll;
	/*禁止纵向滚动*/
	overflow-y: hidden;
	/*文本平铺*/
	text-align: justify;
	/*背景颜色*/
	padding: 0px 5px;
	margin-bottom: 10px;
	/*设置边距改变效果为内缩*/
	box-sizing: border-box;
}

.dan_con img,.tong_connr img{ height: auto!important; }


}

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


}
/* 绝对手机模式 */
@media only screen and (max-width: 600px) {
.index_dh b{ font-size: 26px; }
.index_dh b{ height: auto;    max-width: 120px; }
.index_dh1 b{max-width: 120px;}
.index_dh2 b{max-width: 170px;}

.product li{ width: 50%; }
.about_con{ margin: 20px auto; }
.video{ padding-top: 15px; }
.box{ padding-bottom: 160px; }
.about{ line-height: 180%; }
.honor li{ width: 100%; margin-bottom: 4%; float: none; }
.honor li .con{ width: 100%; }
.foot_l{display: none;}
.foot_ly{ display: block; width: 96%; float: none; margin: auto; }
.foot1{ padding: 20px 0px 0px 0px; }
.foot_ly p input[type="text"]{ height: 25px; line-height: 25px; }
.f_nav{ margin: 10px auto 0px auto; }
.about_con p{ font-size: 20px; }
.product li .text{ font-size: 14px; }
.product li{ margin: auto; }
.pic_list li .text span{ font-size: 18px; }
.pic_list li .text p{ margin: 10px auto; line-height: 150%; display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 2;
overflow: hidden;
}

.pic_list li{ margin: 15px auto; padding-bottom: 15px; }
.pic_l,.pic_r{ float: none; margin: auto; width: 100%; }
.dh_box{ display: none; }
.pic_r .text_con p,.n_dh1{ margin: 10px auto; padding-bottom: 10px; }
.pic_r .text{ font-size: 22px; }
}

/* 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; }
.pic_box{height: 250px;}
}