html, body,div,ul,li,img,span,p,em,strong,td,tr,table,h1,h2,h3,h4,h5,h6{margin: 0;padding: 0;}
ul, li {list-style: none;}
a {color: #242424;text-decoration: none;}
a:hover {opacity: 0.75;}
body {background: #f7f7f0;}
.clearfix {clear: both;height:0;overflow: hidden;}
.contain {margin: 0 auto; width: 1440px;}
.mb40 {margin-bottom: 40px;}
.mt40 {margin-top: 40px;}

#header {margin-bottom: 65px;}
#top {
    margin:0 auto;
    width: 100%;
    max-width: 1980px;
    height: 480px;
    overflow: hidden;
    position: relative;
}

#logo {
    margin: 36px;
    position: relative;
    z-index: 999;
}

#logo img {
    max-width: 80px;
    max-height: 80px;
}

#band {
    width: 100%;
    /*max-width: 100%;*/
    height: 480px;
    position: absolute;
    left: 0;top: 0;
    overflow: hidden;
}

#nav {background: #fff;border-bottom: 1px solid #ddd;height: 49px;width: 100%;
    margin: 0 auto;}
.nav_item {float:left;width: 1200px;overflow: hidden;}
.nav_item li {float: left;width: 150px;text-align: center;line-height: 50px;}
.nav_item li a:hover {display: block;height: 49px;width: 150px;background: #e5e5d6;}
.search {float: right;border:1px solid #999;margin:12px 6px 0 6px;height: 24px;width: 198px;}
.search input {border:none}
.search input.keys {float: left;width: 164px;margin:3px}
.search input.btn {float:right;width: 17px;height: 17px;margin:3px;}

#left_box {float: left;width: 850px;}
.item_box {background:#fff;padding: 40px;}
.item_box_title {max-width: 100%;height: 38px;border-bottom: 1px solid #ddd;margin-bottom: 26px;}
.item_box_title h3 {float: left; border-left: 3px solid #4191f2; font-size: 1.1rem;padding-left: 16px;}
.item_box_title .more {float:right;color:#666;}
.item_li li {height: 39px;line-height: 39px; padding-left: 16px;border-bottom: 1px solid #ddd; background: url(../images/li.jpg) 4px center no-repeat;}
.item_li li span {float: right;font-size:0.9rem;color:#666}

#right_box {
    float: right;
    width: 550px;
}
.home_about {
    margin: 40px 0;}
.home_about img {
    float: left;
    margin:0 1rem 0.5rem 0;
    max-width: 200px;
    max-height: 150px;
}

.home_news li {
    height: 85px;
    background: #ebf5ff;
    border-radius: 15px;
}
.home_news li span {
    float: left;
    width: 85px;
    height: 85px;
    text-align: center;
    color: #fff;
    background: #80b5f7;
    margin-right: 18px;
    border-radius: 15px;
}
.home_news li span strong {
    display: block;
    margin:18px 0 0 0;
    font-size: 1.3rem;
}
.home_news li h3 {margin-top:16px; font-weight: normal;font-size: 1rem;padding: 16px 16px 0 0;}
.home_news li h3 a {color: #666;}

.title2 {max-width: 100%;height: 38px;border-bottom: 1px solid #ddd;margin-bottom: 26px;}
.title2 h3 {float: left;}
.title2 .more {float:right;color:#666;}

.home_client ul，.home_link ul {width: 110%;
    overflow: hidden;
}
.home_client ul li {float:left;margin:0 25px 25px 0;
    width: 137px;text-align: center;
    height: 72px;border:1px solid #ddd}
.home_client ul li img {max-width: 137px;max-height: 72px;}

.home_link li {float: left;width: 25%;line-height: 42px;}


#footer {border-top:1px solid #ddd;
    padding-top: 40px;}
.foot_logo {float: left;width: 76px;
    height: 76px;
    padding-right: 10px;
    border-right: 1px solid #ddd;
}
.foot_logo img {
    width: 76px;
    height: 76px;}

.copyright {float: left;width:760px;
    padding-left: 30px;
   }
.icp {float: right;width:550px;text-align: right;
   }
.copyright,.icp {
    margin-top: 27px;}
.icp a {
    margin-left: 10px;}
.copyright,.icp,.copyright,.icp a,.home_link li a {color:#666;}

#s_left {float: left;width: 292px;}
.s_left_nav li {
    padding:18px 38px;
    background: #fff;
    margin-bottom: 8px;

}
.s_left_nav li a {border-left:3px solid #4191f2; font-size: 1.1rem;padding-left: 16px;}

#s_right {float: right;width: 1000px;padding: 40px;
    background: #fff;}
.bu {border-bottom: 1px solid #ddd;font-size:0.9rem;
    padding-bottom: 16px;
    margin-bottom: 40px;}
.bu,.bu a {color:#666;}
.about {
    line-height: 1.8rem;}

.news_list li {
    height: 45px;
    line-height: 45px;}

.list_page {margin:48px 0;text-align: center;}
.list_page li {display:inline-block;
    width: 30px;
    height: 30px;text-align: center;
    line-height: 30px;margin-left: 6px;}
.list_page li a {display: block;
    width: 30px;
    height: 30px;border:1px solid #ddd;}
.list_page li a:hover,.list_page li.ac  {
    background: #80b2ec;border:1px solid #80b2ec;color:#fff}
.list_page li a {color:#666;}

.news h1 {font-size:1.8rem;text-align: center;}
.news_i {color:#666;text-align: center;margin:40px 0;font-size:0.9rem;}
.news_body {
    line-height: 1.8rem;}
.contact .map {margin:48px 0;text-align: center;}


/* 图片轮播 */
.carousel {
    width: 100%;
    max-width: 1980px;
    height: 480px;
    overflow: hidden;
    position: relative;
}

.carousel-inner {
    display: flex;
    transition: transform 0.5s ease;
}

.carousel-item {
    min-width: 100%;
    box-sizing: border-box;
}

.carousel-item img {
    width: 100%;
    height: 100%;
    min-height: 480px;
    object-fit: cover;
}