* { margin: 0; padding: 0; list-style: none; }
section {
	padding-bottom: 50px;
}
.w_1200 {
	width: 1200px;
	margin: 0 auto;
}
.title {
	font-size: 14px;
	padding: 50px 0 30px;
}
.title h3 {
	font-size: 68px;
	font-weight: normal;
}
.title sub {
	font-size: 36px;
	font-weight: 100;
}
.title p {
	font-size: 30px;
}
.title hr {
	width: 200px;
	margin-top: 20px;
}
.pc {
    display: none;
}
.wap .mianbao {
    color: #fff;
    font-size: 14px;
    padding: 5px 10px;
    background-color: #2d3556;
}
.wap img {
    width: 100%; display: block;
}
li.art {
    width: 380px; display: inline-block; margin-bottom: 50px; margin-right: 20px;
}
li.art:nth-child(3n) {
    margin-right: 0px;
}
li.mart {
    width: 100%; display: inline-block; margin-bottom: 20px;
}
@media(max-width: 1200px) {
    body {
        width: 100%;
        max-width: 750px;
        margin: 0 auto;
    }
    body .wap {
        display: block;
    }
}
@media(min-width: 1200px) {
    body .pc {
        display: block;
    }
    body .wap {
        display: none;
    }
}