/* 最小宽度为320象素用以下样式 */
@media screen and (min-width:320px) {
.m_nav li{width: 87px;height: 25px;padding-top: 55px;}
.g_pp h2{height: 80px;padding-top: 17px;}
.g-adv .sclwrap_box , .g-adv .m-box{overflow:hidden;height: 150px;}
}

/* 最小宽度为360象素用以下样式 */
@media screen and (min-width:360px) {
.m_nav li{width: 97px;height: 28px;padding-top: 60px;}
.g_pp h2{height: 90px;padding-top: 19px;}
.g-adv .sclwrap_box , .g-adv .m-box{overflow:hidden;height: 168px;}
}

/* 最小宽度为480象素用以下样式 */
@media screen and (min-width:480px) {
.m_nav li{width: 130px;height: 38px;padding-top: 82px;}
.g_pp h2{height: 120px;padding-top: 26px;}
.g-adv .sclwrap_box , .g-adv .m-box{overflow:hidden;height: 224px;}
}

/* 最小宽度为568象素用以下样式 */
@media screen and (min-width:568px) {
.m_nav li{width: 154px;height: 44px;padding-top: 98px;}
.g_pp h2{height: 142px;padding-top: 30px;}
.g-adv .sclwrap_box , .g-adv .m-box{overflow:hidden;height: 265px;}

}

/* 最小宽度为639象素用以下样式 */
@media screen and (min-width:639px) {
.m_nav li{width: 174px;height: 50px;padding-top: 110px;}
.g_pp h2{height: 160px;padding-top: 34px;}
.g-adv .sclwrap_box , .g-adv .m-box{overflow:hidden;height: 300px;}

}