/*
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) {

}
/*
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) {

}
/*
1200px 过渡尺寸
*/
@media only screen and (max-width: 1200px) {
.w1200{ width: 96%; }
}
/*
1100px 过渡
*/
@media only screen and (max-width: 1100px) {
.banner,.nbanner{ font-size: 26px; }
}
/*
1024px [1024×768] ipad1 ipad2 ipad mini 手机端开始
*/
@media only screen and (max-width: 1024px) {
/*.nav,.top{ display: none; }*/
}
/*
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) {
.top img{ height: 60px; }
.nav{ height: 45px; line-height: 45px; }
.nav li{ width: 20%;float: none;
    display: inline-block;}

.banner p,.nbanner p{ width: 95%; }
.box{ display:block;}
.box .item{ width: 100%; float: none; }

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

}

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


}
/* 640px 过渡 */
@media only screen and (max-width:640px){
body{ font-size: 12px; }

.banner,.nbanner{ font-size: 14px; /*padding:20px 0;*/ }
.index_dh a{ font-size: 16px; }
.list li a span,.tong_list1 li a span{ font-size: 15px; }
.list li a p{ height: 50px; font-size: 14px;}

.foot{ padding: 20px 0; }
.nav{ width: 100%; }
.nav li{ width: 25%;  float: none; display: inline-block; }
.zs_tu,.lxwm_tu{ float: none; width: 100%; margin-bottom: 20px;  margin-right:0px; }
.route{ line-height: 30px; font-size: 12px; }
.index_dh{ line-height: 35px; }
.tong_list1 li a p{font-size: 14px;}
.nav li a{ font-size: 14px; }
}
/* 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) {
	.banner p,.nbanner p{ width: 80%; }
}
/* 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) {
}