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<style>
@media screen and (max-width: 960px) {...}
@media screen and (min-width: 960px) and (max-width: 1024px) {...}
@media screen and (min-width: 1025px) and (max-width: 1280px) {...}
@media screen and (min-width: 1281px) {...}
</style>
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原文地址：http://my.oschina.net/u/1266171/blog/411285
