* {
    font-family: "微软雅黑";
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    -ms-box-sizing: border-box;
    -o-box-sizing: border-box;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

em,
i {
    font-style: normal
}

a,
a:visited {
    color: #333;
}

img {
    display: inline-block;
    border: 0;
    vertical-align: middle;
}

button,
input {
    font-family: Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    border: 0;
    outline: none;
}

body {
    /* CSS3 抗锯齿形 让文字显示的更加清晰 */
    -webkit-font-smoothing: antialiased;
    background-color: #fff;
    font: 12px/1.5 Microsoft YaHei, Heiti SC, tahoma, arial, Hiragino Sans GB, "\5B8B\4F53", sans-serif;
    /* 点击蓝色选中状态消除 */
    -moz-user-select: none;
    /*火狐*/
    -webkit-user-select: none;
    /*webkit浏览器*/
    -ms-user-select: none;
    /*IE10*/
}

.hide,
.none {
    display: none;
}

.clearfix::after {
    content: '';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}

.clearfix {
    *zoom: 1;
}
.w{
    width:1200px;
    height:100%;
    margin:0 auto;
}