/*网站的风格，各页面共同的地方-网页头部和底部*/
.fl {
	float: left;
}
.fr {
	float: right;
}
/*版心*/
.w {
	width: 1200px;
	margin: 0 auto;
}
/* header部分-start */
.header {
    /* width: 100%; */
    height: 75px;
    background-color: #0B0B0B;
    border-top: 1px solid transparent;
    transition: all 1.5s;
    min-width: 1630px;
}
.nav {
    height: 30px;
    margin-top: 20px;
    line-height: 30px;
}
.logo {
    float: left;
}
.logo h1 {
    font-size: 0;
}
.logo h1 a {
    display: block;
    width: 181px;
    height: 30px;
    background: url(../img/logo.png) no-repeat;
}
.nav_left {
    float: left;
}
.nav_left ul li {
    float: left;
}
.nav_left ul li a {
    display: block;
    height: 25px;
    margin-left: 18px;
    font-size: 14px;
    color: #fff;
    line-height: 30px;
}
.nav_left ul li a:hover {
    border-bottom: 2px solid #fff;
}
.nav_right {
    float: right;
}
.nav_right ul li {
    float: left;
}
.nav_right ul li a {
    display: block;
    height: 25px;
    margin-left: 18px;
    font-size: 14px;
    color: #8b939b;
    line-height: 30px;
}
.nav_right ul li a:hover {
    border-bottom: 2px solid #8b939b;
}
/* header部分-end */

/* footer部分-start */
.footer {
    height: 50px;
    background-color: #0f0e0e;
    border: 1px solid transparent;
    margin-top: 30px;
    padding-left: 204px;
    line-height: 50px;
    min-width: 1425px;
}
.footer_left ul li {
    float: left;
}
.footer_left li:nth-child(1) {
    width: 100px;
    height: 12px;
    background: url(../img/logo_min.png) no-repeat;
    margin-top: 20px;
}
.footer_left li:nth-child(2) a,
.footer_left li:nth-child(3) a {
    height: 20px;
    /* border: 1px solid #fff; */
    font-size: 12px;
    color: #fff;
    margin-left: 25px;

}
.footer_left li a:hover {
    border-bottom: 1px solid #fff;
}
.footer_right ul li {
    float: left;
    margin-left: 590px;
}
/* footer部分-end */