body {
    font: 18px/1.5 "微软雅黑";
    color: #666;
    padding: 0;
    margin: 0;
    text-align: center;
}

div,
ul,
ol,
li,
dl,
dt,
dd,
h1,
h2,
h3,
h4,
h5,
h6,
p,
img,
select,
input {
    padding: 0;
    margin: 0;
    list-style: none;
    vertical-align: middle;
}

input,
textarea:focus {
    outline: none;
}

img {
    border: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.clearfix:after {
    content: "";
    display: block;
    clear: both;
    height: 0;
}

.clearfix {
    *zoom: 1;
}

.container {
    width: 1200px;
    margin: 0 auto;
}

a {
    text-decoration: none;
}

a:hover {
    text-decoration: none;
}

.t_left {
    text-align: left;
}

.header {
    height: 80px;
    padding: 10px 0;
    box-sizing: border-box;
}

.header a {
    margin-left: 30px;
    color: #555555;
    line-height: 80px;
}

.header a:hover {
    color: #ef000c;
}

.header .now {
    color: #ef000c;
}

.now .sj {
    opacity: 1;
}

.footer {
    width: 100%;
    height: 200px;
    background: #5c5c5c;
}

.footer .f_img {
    position: relative;
    transform: translateY(-36px);
    -webkit-transform: translateY(-36px);
}

.footer p {
    color: #fff;
    margin-top: 10px;
    font-size: 16px;
}

.sj {
    display: inline-block;
    opacity: 0;
    width: 10px;
    height: 15px;
    background: url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAJAQMAAADAY3TdAAAABlBMVEUAAADvAAwOb2J5AAAAAXRSTlMAQObYZgAAABhJREFUCNdjaGA4wPCA4QPDDyB+AGQ3AAA/6gcZYen4RAAAAABJRU5ErkJggg==') no-repeat center center;
}

.nav {
    margin-top: -10px;
}

.banner {
    background: url('../imgs/home_banner.png') no-repeat center center;
}

.banner1 {
    background: url('../imgs/home_join.png') no-repeat center center;
    margin-top: 10px;
}

.copy {
    color: #fff;
}

.copy:hover {
    text-decoration: underline;
}

.mask {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}