* {
    margin: 0;
    padding: 0;
}

body {
    width: 100%;
    max-width: 1920px;
    margin: 0 auto;
    /*font-family: '微软雅黑';*/
    font-size: 16px;
    overflow-y: scroll;
    /*body高度变化加上margin:0 auto会导致滚动条跳动*/
}

img {
    border: 0;
}

a {
    text-decoration: none;
}

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

ul,
li {
    list-style: none;
}

a:focus {
    outline: none;
}


/*导航*/

.nav {
    /*height: 70px;*/
    /*width: 1200px;*/
    /*border-radius: 40px;*/
    background: #fff;
    width: 100%;
    height: 220px;
    text-align: center;
   	position: fixed;
   	/*top: 53%;*/
   	bottom: 0;
    /*left: 50%;*/
    /*margin-left: -600px;*/
    /*position: fixed;*/
    /* top: 91.66%; */
    /*top: 88%;*/
    /*left: 50%;*/
    /*margin-left: -600px;*/
    z-index: 9999;
}

/*.zhezhao {*/
    /*height: 70px;*/
    /*width: 1200px;*/
    /*border-radius: 40px;*/
    /*position: fixed;*/
    /* top: 91.66%; */
    /*top: 88%;*/
    /*left: 50%;*/
    /*margin-left: -600px;*/
    /*background-color: #f00;
    opacity: .3;
    filter: alpha(opacity=30);*/
/*}*/

.nav_u {
    /*width: 100%;*/
   width: 1200px;
   display: inline-block;
}

.nav_u li {
    float: left;
    width: 200px;
}

.nav_u li a {
    color: #222;
    font-size: 26px;
    display: block;
    width: 208px;
    height: 70px;
    line-height: 70px;
    border-radius: 29px;
    text-align: center;
}

.nav_u li a.active {
    background-color: #54b000;
    color: #fff;
}


/*模糊*/

.blur {
    /* filter: url(blur.svg#blur); */
    /* FireFox, Chrome, Opera */
    -webkit-filter: blur(10px);
    /* Chrome, Opera */
    -moz-filter: blur(10px);
    -ms-filter: blur(10px);
    filter: blur(10px);
    filter: progid: DXImageTransform.Microsoft.Blur(PixelRadius=10, MakeShadow=false);
    /* IE6~IE9 */
}