/*首页*/
@media screen and (max-width:1760px) {
}
@media screen and (max-width:1440px) {
}
@media screen and (max-width:1200px) {
}
@media screen and (max-width:1000px) {
}
@media screen and (max-width:960px) {
}
@media screen and (max-width:830px) {
}
 @media screen and (max-width: 780px) {
}
@media screen and (max-width: 640px) {
}
 @media screen and (max-width: 480px) {
}
 @media screen and (max-width:360px) {
}