/*
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) {
.left_dh li{font-size: 20px; margin:30px auto; }
.nav_big1,.right1{ width: 75%; }
.left2{ width: 25%; }
}
/*
1500px 过渡尺寸
*/
@media only screen and (max-width: 1500px) {
}
/*
1600px [1600×900]
*/
@media only screen and (max-width: 1600px) {
	.n_dh li{ margin:25px auto; font-size: 18px; }
/*.index_r h1{  font-size: 20px; }*/
}
/*
1440px [1400×900]
*/
@media only screen and (max-width: 1430px) {
/*.index_r .con{ padding-top: 40px; }*/
.n_dh li{ margin:20px auto; }
/*.left .con{ padding:50px 0px; }*/
/*.nav{ padding-top: 85px; }*/
}
/*
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) {

.nav li{ font-size: 18px; margin-right: 15px; /* padding-bottom:20px;*/}
.nav li span{ padding-right: 15px; }
.nav { margin-top: 52px; }
.logo{ padding-bottom: 20px; }
.middle{ padding-top: 170px; }
.nlogo p a{ font-size: 32px; }
.logo p a{ font-size: 38px; }
.logo span{ width: 102px; height: 3px;  }
}
/*
1100px 过渡
*/
@media only screen and (max-width: 1100px) {
.nav li a.on{ padding-bottom: 14px; }
.index_r h1{background-size: 98% auto; font-size: 14px;}


}
/*
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) {
.left,.nav{ display: none; }
.right{ float: none; width: 100%; }
.middle{ padding:20px 0px; }
.w1200{ width: 96%; }
.index_l{ width:100%; }
.index_r{ width: 100%; float: none; display:none; }
.index_r .con{ width: 96%; padding-top: 50px; }
.smt_history li .con{ width: 100%; }
.smt_history li .year{ float: left; width: 25% }
.smt_history li .text{ float: right; width: 75%; }
.smt_history li .year span{ float: left; }
.smt_history li .year i{ float: right; }
.smt_history{ background-position: left 30px center; }
.h1,.foot_big{ width: 100%; }
.foot_nr{ width: 96%; }
.index_r h1{background-size: 393px 53px;font-size: 16px;}
.lang{ display: 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){
	.index_r h1{background-size: 320px 43px; 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) {
}
/* 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) {
}