*{
    margin: 0;
    padding: 0;
    list-style: none;
}
html,body{
    min-width: 1200px;
    font-size: 16px;
}
img,span{
    display: block;
}
a{
    text-decoration: none;
    color: #000;
}
.mm_header_wrap{
    width: 1200px;
    height: 84px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mm_header_logo a{
    display: flex;
    align-items: center;
}
.mm_header_logo a img{
    width: auto;
    height: 75px;
}
.mm_header_logo a span{
    margin-left: 10px;
}
.mm_nav_wrap{
    height: 80px;
    display: flex;
}
.mm_nav_wrap li{
    height: 80px;
    margin-right: 15px;
    text-align: center;
    line-height: 80px;
}
.mm_nav_wrap li:last-child{
    margin-right: 0;
}
.on{
    height: 78px !important;
    border-bottom: 4px solid #BA1A24;
}
.mm_banner_wrap{
    width: 100%;
    height: auto;
}
.mm_banner_wrap img{
    width: 100%;
    height: auto;
}
.mm_footer_wrap{
    width: 100%;
    height: 175px;
    background: #191919;
    clear: both;
}
.mm_footer_block{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.mm_footer_ul{
    width: 590px;
    height: auto;
    padding-bottom: 20px;
    border-bottom: 1px solid #686868;
    display: flex;
    align-items: center;
    font-size: 12px;
    color: #686868;
}
.mm_footer_ul li{
    border-right: 1px solid #686868;
    padding-right: 10px;
    margin-left: 10px;
}
.mm_footer_ul li:first-child{
    margin-left: 0;
}
.mm_footer_ul li:last-child{
    padding-right: 0;
    border-right: 0;
}
.mm_footer_ul span{
    margin: 0 15px;
}
.mm_footer_ul li a{
    color: #686868;
}
.mm_copy_wrap{
    font-size: 12px;
    color: #686868;
    margin-top: 20px;
}
.mm_footer_right{
    display: flex;
    align-items: center;
}
.mm_code{
    width: 80px;
    height: 80px;
    border: 1px solid #626262;
    margin-right: 20px;
    padding: 10px;
}
.mm_code:last-child{
    margin-right: 0;
}
.mm_code img{
    width: 100%;
    height: 100%;
}
.base-title {
    height: 69px;
    line-height: 69px;
    width: 100%;
    background-color: #fff;
    font-size: 0;
    border-bottom: 1px solid #eaeaea;
}
.base-title .mian {
    width: 100%;
    height: 100%;
    background-color: #fff;
    position: relative;
    top: 0;
    left: 0;
    z-index: 39;
}
.base-title .box {
    padding: 0;
    width: 1200px;
    margin: 0 auto;
}
.base-title #tits {
    width: 480px;
    height: 100%;
    float: left;
}
.base-title #tits .swiper-slide {
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
    width: 30%;
    color: #333333;
}
.base-title #tits .swiper-slide {
    width: 20%;
}
.base-title a {
    display: inline-block;
    color: #666;
    font-size: 14px;
    height: 69px;
    -webkit-transition: all 0.4s;
    transition: all 0.4s;
}
.base-title .titls {
    height: 69px;
    display: block;
    width: 40%;
    text-align: right;
    font-size: 0;
    float: right;
}
.base-title #tits .swiper-slide a {
    position: relative;
    padding: 0 10px;
}
.base-title .titls .tt {
    padding-left: 25px;
    background: url(../images/public/img4.png) left center/15px no-repeat;
}
.base-title .titls span {
    font-family: '宋体';
    display: inline-block;
    text-align: center;
    color: #666;
    width: 25px;
    height: 69px;
    font-size: 14px;
}
.base-title .mian {
    height: 69px;
}
.base-title.on .mian {
    position: fixed;
    box-shadow: 0 0 5px 5px rgb(0 0 0 / 10%);
}