
/* head.css */
body {
    font-family: "微软雅黑";
    font-size: 12px;
    -webkit-tap-highlight-color: transparent;
    color: #444;
}

*,
*:before,
*:after,
.boxsizing {
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}

* {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
    outline: none;
    color: #444;
}

input,
select {
    outline: none;
}

.fl {
    float: left;
}

.fr {
    float: right;
}

.fn-clear {
    clear: both;
    zoom: 1;
}

.fn-clear:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
}

.hidden {
    display: none !important;
}

/*提亮 */
.position {
    position: absolute;
    left: 0;
    right: 0;
    margin: 0 aufooterto;
}

.ani {
    transition: 1s;
    filter: grayscale(0) brightness(1);
    -webkit-filter: grayscale(0) brightness(1);
    -moz-filter: grayscale(0) brightness(1);
    -ms-webkit-filter: grayscale(0) brightness(1);
    -o-webkit-filter: grayscale(0) brightness(1)
}

.ani:hover {
    color: #B0B0B0;
    transition: 1s;
    filter: grayscale(0) brightness(1.4);
    -webkit-filter: grayscale(0) brightness(1.4);
    -moz-filter: grayscale(0) brightness(1.4);
    -ms-webkit-filter: grayscale(0) brightness(1.4);
    -o-webkit-filter: grayscale(0) brightness(1.4)
}
/* 导航栏 */
.nav{
    min-width: 1200;
    width: 100%;
    height: 120px;
    background: #f6f6f8;
}
.nav_box{
    width: 1200px;
    margin: 0 auto;
    font-size: 16px;
    line-height: 40px;
    padding-top: 40px;
}

.nav_box .logo_box{
    color: #b5b7;
}
.nav_box .logo_box img{
    width: 420px;
}
.nav_box .logo_box span{
    position: relative;
    bottom: 13px;
    font-weight: 700;
    font-size: 20px;
}
.nav .nav_item ul li{
    width: 100px;
    height: 40px;
    border-radius: 40px;
    background: #f6f6f8;;
    text-align: center;
    color: #000000;
    cursor: pointer;
    margin-right: 5px;
}

.nav .nav_item ul li>a{
    color: #000000;
    display: block;
    width: 100px;
    height: 40px;
    border-radius: 40px;
    background: #f6f6f8;;
    text-align: center;
    color: #000000;
    cursor: pointer;
    margin-right: 5px;
}
.nav .nav_item ul li>a:hover,
.nav .nav_item ul li.on>a{
    color: #ffffff;
    background: #02b2b5;
}

.nav .nav_item ul li:hover .hover_drop a{
    color: #000000;
}
.hover_drop{
    position: relative;
    top: 40px;
    z-index: 11;

}
.hover_drop a{
    display: block;
}
.nav .nav_item .hover_drop{
    height: 0;
    opacity: 0;
    -o-transition: 0.5s all;
    transition: 0.5s all;
    -webkit-transition: 0.5s all;
    -moz-transition: 0.5s all;
    display: none;
}
.nav .nav_item:hover .hover_drop{
    height: 240px;
    opacity: 1;
    display: block;
}
.nav .nav_item ul li .hover_drop a:hover{
    color: #e4262f;
}
.top-swiper{
    width: 100%;
    min-width: 1200px;
    overflow: hidden;
}
.top-swiper .swiper-slide .img{
    width: 100%;
}
.drop_down{
    width: 100%;
    height: 0px;
    background: rgba(246, 246, 248, 0.8);
    position: absolute;
    top: 120px;
    left: 0;
    z-index: 10;
    -o-transition: 0.5s all;
    transition: 0.5s all;
    -webkit-transition: 0.5s all;
    -moz-transition: 0.5s all;
    opacity: 0;
}
.nav_item:hover .drop_down{
    height: 240px;
    opacity: 1;
}
.footer{
    background: #f6f6f8;
    padding: 30px 0;
    min-width: 1200x;
    margin-top: 70px;
}
.footer .footer_box{
    width: 1200px;
    margin:  0 auto;
    line-height: 30px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.footer .logo{
    width: 240px;;
}
.footer .footer_box .fl{
    font-size: 18px;
}
.footer .footer_box .fl span{
    margin-left: 20px;
}