/*pics_content*/
.pics_content { margin: 20px 0; }
.pics_content ul { overflow: hidden; }
.pics_content ul li { float: left; width: 25%; position:relative;}
.pics_content ul li a { display: block; margin: 10px; background: #fff; padding:5px; overflow: hidden; }
.pics_content ul li i { height: 195px; overflow: hidden; display: block; }
.pics_content ul li img { width: 100%; min-height: 100%; transition: all .5s; }
.pics_content ul li:hover img { transform: scale(1.1) }

@media only screen and (max-width: 1200px) {
    .box { width: 1000px; }
    }
    @media screen and (min-width: 960px) and (max-width: 1024px) {
    .box { width: 940px; }
    .photos li i, .pics_content ul li i { height: 146px; }
    }
    @media only screen and (max-width: 959px) {
    .box { width: 96% }
    .pics_content ul li i, .photos li i { height: 140px }
    }
     @media only screen and (max-width: 768px) {
    .pics_content ul li i, .photos li i { height: 150px }
    }
     @media only screen and (max-width: 640px) {
    .pics_content ul li { width: 50% }
	.pics_content{ margin:0 0;}
    }
     @media only screen and (max-width:480px) {
    .pics_content ul li i, .photos li i { height:80px }
    }