body { font-size: 14px; line-height: 24px; }
.container { position: relative; width: 1200px; margin: 0 auto; }
img { vertical-align: top; }
.fl { float: left; }
.fr { float: right; }
.flex { display: flex; }
.justify-between { justify-content: space-between; }

/* hedaer */
.top { position: fixed; z-index: 999; width: 100%; height: 87px; border-bottom: 1px solid #bbb; }
.top.sroll { background-color: rgba(0,0,0,.5); border-bottom: 0; }
.logo { margin-top: 10px; }

/* nav */
.nav > ul > li { position: relative; float: left; line-height: 87px; }
.nav > ul > li > a { position: relative; display: block; padding: 0 30px; font-size: 16px; color: #fff; transition: all .3s; }
.nav > ul > li > a:hover { color: #f5f5f5; }
.nav > ul > li > ul { position: absolute; z-index: 99; top: 107px; left: 0; padding: 10px 0; visibility: hidden; opacity: 0;  transition: all .3s; background-color: #fff; box-shadow: 0 1px 2px rgba(0,0,0,.1); }
.nav > ul > li:hover > ul { visibility: visible; top: 87px; opacity: 1; }
.nav >ul > li > ul > li > a { display: block; font-size: 14px; color: #333; padding: 0 35px; line-height: 36px; white-space: nowrap; }
.nav > ul > li ul li:hover > a { background-color: #417aff; color: #fff; }
.nav > ul > li > ul > li ul { display: none; }

.search { width: 38px; height: 38px; border: 1px solid #bbb; margin: 23px 0 0 30px; text-align: center; cursor: pointer; }
.search i { font-size: 20px; color: #fff; line-height: 38px; }
#search input { line-height: 75px; height: 75px; font-size: 20px; width: 470px; margin: 0; padding: 0 15px; border: 0; background: none; }

/* banner */
#banner .swiper-slide img { max-width: 100%; }
#banner .swiper-pagination-bullet { width: 20px; height: 5px; background-color: #fff; transition: opacity .5s, background-color .5s, width .5s; border-radius: 0; opacity: .6; }
#banner .swiper-pagination-bullet-active { opacity: 1; }
#banner .swiper-button-prev { color: #fff; left: 25px; }
#banner .swiper-button-next { color: #fff; right: 25px; }

/* common */
.common-title { text-align: center; }
.common-title p.title { font-size: 42px; color: #000; line-height: 42px; }
.common-title p.line { display: inline-block; width: 44px; height: 4px; background-color: #333; margin-top: 25px; }
.common-title-white p.title { color: #fff; }
.common-title-white p.line { background-color: #fff; }
.common-more { text-align: center; margin-top: 70px; }
.common-more a { display: inline-block; width: 158px; height: 38px; border: 1px solid #2d3691; border-radius: 3px; font-size: 15px; color: #2d3691; text-align: center; line-height: 38px; }
.common-more a i.layui-icon{ font-size: 14px; padding-left: 15px; }

/* home product */
#home-product { padding: 90px 0 60px; }
.home-product-content { margin-top: 60px; }
#swiper-product { padding-bottom: 50px; }
a.home-product-item { display: block; width: 380px; height: 253px; overflow: hidden; }
.home-product-item img { width: 100%; height: 100%; object-fit: cover; transition: all .3s; }
.home-product-item:hover img { transform: scale(1.1); }

/* home parameter */
#home-parameter { padding: 90px 0; background-color: #f6f6f6; }
.home-parameter-content { margin-top: 70px; }
.home-parameter-item-thumb { width: 50%; }
.home-parameter-item-thumb img { width: 100%; height: 100%; object-fit: cover; }
.home-parameter-item-info { width: 50%; padding: 80px 160px 80px 120px; box-sizing: border-box; background-color: #fff; }
.home-parameter-item-info p.title { font-size: 30px; line-height: 30px; }
.home-parameter-item-info p.desc { font-size: 16px; color: #808080; line-height: 30px; margin: 45px 0; }
.home-parameter-item-info a.more { display: block; width: 200px; height: 38px; background-color: #417aff; font-size: 16px; color: #fff; text-align: center; line-height: 38px; }
.home-parameter-item-info a.more i.layui-icon { font-size: 14px; padding-left: 20px; }

/* home about */
#home-about { height: 880px; padding-top: 80px; background: url('/index/images/about_bg.jpg') no-repeat center top; }
.home-about-content { margin-top: 30px; }
.home-about-content > p.desc { height: 56px; overflow: hidden; margin: 0 40px; font-size: 16px; color: #fff; text-align: center; line-height: 28px; }
.home-about-content a.more { display: block; width: 158px; height: 38px; border: 1px solid #fff; border-radius: 3px; font-size: 15px; color: #fff; text-align: center; line-height: 38px; margin: 35px auto 55px; }
.home-about-content a.more i.layui-icon { font-size: 14px; padding-left: 15px; }
.home-about-video { width: 900px; height: 400px; margin: 0 auto; }
#about-video { width: auto!important; height: 100%!important; padding: 0!important; }
.home-about-point { width: 1000px; margin: 70px auto 0; }
.home-about-point-item { text-align: center; }
.home-about-point-item p.title { font-size: 16px; color: #fff; }
.home-about-point-item p.title span { font-family: Arial; font-size: 48px; color: #fff; }
.home-about-point-item p.desc { font-size: 16px; color: #fff; margin-top: 10px; }

/* home news */
#home-news { padding: 90px 0; }
.home-news-content { margin-top: 60px; }
a.home-news-item { display: block; width: 260px; padding: 35px 20px 45px; transition: all .3s; }
.home-news-item p.date { font-family: Arial; font-size: 16px; color: #417aff; }
.home-news-item p.title { height: 52px; overflow: hidden; font-size: 16px; color: #333; line-height: 26px; margin-top: 20px; transition: all .3s; }
.home-news-item-thumb { width: 260px; height: 173px; overflow: hidden; margin: 30px 0; }
.home-news-item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: all .3s; }
.home-news-item p.desc { height: 72px; overflow: hidden; color: #888; }

.home-news-item:hover { background-color: #f6f6f6; }
.home-news-item:hover p.title { color: #417aff; }
.home-news-item:hover .home-news-item-thumb img { transform: scale(1.1); }

/* home case */
#home-case { padding: 120px 0 60px; background: url('/index/images/case_bg.jpg') no-repeat center top; }
.home-case-title a.more { display: block; width: 158px; height: 38px; border: 1px solid #fff; border-radius: 3px; font-size: 15px; color: #fff; text-align: center; line-height: 38px; }
.home-case-title a.more i.layui-icon { font-size: 14px; padding-left: 15px; }
.home-case-title p.title { font-size: 36px; color: #fff; line-height: 36px; }
.home-case-title p.line { width: 44px; height: 4px; background-color: #fff; margin: 15px 0 10px; }
.home-case-title p.desc { width: 700px; height: 52px; overflow: hidden; font-size: 14px; color: #fff; line-height: 26px; }
.home-case-content { margin-top: 60px; }
#swiper-case { padding-bottom: 50px; }
a.home-case-item { display: block; width: 380px; }
.home-case-item-thumb { width: 378px; height: 252px; overflow: hidden; border: 1px solid #fff; }
.home-case-item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: all .3s; }
.home-case-item-info { padding: 10px 15px; }
.home-case-item-info p.title { font-size: 16px; color: #666; text-align: center; transition: all .3s; }

.home-case-item:hover .home-case-item-thumb img { transform: scale(1.1); }
.home-case-item:hover .home-case-item-info p.title { color: #417aff; }

/* ===================== page style ======================== */
.page-banner { background-color: #fff; }
.page-banner img { max-width: 100%; }

/* page */
.page { padding: 50px 0; background-color: #fff; }

/* sider-menu */
.sider-menu { float: left; width: 240px; padding: 20px; background-color: #f8f8f8; }
.sider-menu ul li a { display: block; padding: 10px 20px; font-size: 16px; background-color: #fff; color: #666; margin-bottom: 8px; }
.sider-menu ul li:last-child a { margin-bottom: 0; }
.sider-menu ul li ul { display: none; margin: 5px 20px; }
.sider-menu ul li ul li a { position: relative; font-size: 14px; }
.sider-menu ul li.active>a,
.sider-menu ul li a:hover { background-color: #417aff; color: #fff; }
.sider-menu ul li.active>ul { display: block; }

/* page content */
.page-content { float: right; width: 870px; background-color: #fff; min-height: 400px; _height: 400px; }
.page-tit { font-size: 24px; line-height: 36px; border-bottom: 1px solid #f8f8f8; margin-bottom: 30px; padding-bottom: 10px; }
.page-info { line-height: 2em; font-size: 16px; text-align: justify; }
.page-info img { max-width: 100%; }

/* media list */
.media-item { position: relative; display: block; transition: all .4s ease-in-out; background-color: #f8f8f8;  padding: 5px; }
.media-thumb { overflow: hidden; }
.media-thumb img { width: 100%; height: 100%; object-fit: cover; transition: all .4s ease-in-out; }
.media-info { padding: 10px 10px 5px; text-align: center; }
.media-item:hover .media-thumb img { transform: scale(1.1); }

/* product list */
.product-item { position: relative; display: block; transition: all .4s ease-in-out; background-color: #f8f8f8;  padding: 5px; }
.product-thumb { overflow: hidden; }
.product-thumb img { width: 260px; height: 173px; object-fit: cover; transition: all .4s ease-in-out; }
.product-info { padding: 15px 15px 10px; text-align: center; transition: all .4s ease-in-out; }
.product-info p.title { font-size: 16px; }
.product-item:hover .product-thumb img { transform: scale(1.1); }
.product-item:hover .product-info p.title { color: #417aff; }

/* newslist */
.news-item { display: flex; justify-content: flex-start; padding-bottom: 30px; border-bottom: 1px solid #e9e9e8; margin-bottom: 20px; }
.news-item:last-child { border: none; }
.news-item-info { flex: 1; }
.news-item-info p.tit { font-size: 18px; color: #1e1e1e; padding-top: 20px; transition: all 0.6s; }
.news-item-info p.date { font-size: 14px; color: #b0b0b0; line-height: 20px; margin: 10px 0; }
.news-item-info .description { position: relative; width: 100%; height: 48px; transition: all 0.6s; }
.news-item-info p.desc { height: 48px; font-size: 14px; color: #777; overflow: hidden; }
.news-item-thumb { position: relative; width: 260px; height: 150px; background-size: cover; background-repeat: no-repeat; background-position: center; margin-left: 80px; }
.news-item-thumb p.news-item-more { position: absolute; z-index: 1; left: 0; bottom: 0; width: 100px; height: 40px; background-color: #fff; font-size: 12px; color: #b0b0b0; text-align: center; line-height: 40px; opacity: 0; transition: all 0.6s; }

.news-item:hover .news-item-info p.tit { color: #417aff; }
.news-item:hover .news-item-thumb p.news-item-more { opacity: 1; }

/* parameter list */
a.parameter-item { display: block; padding: 10px 15px; border-radius: 5px; background-color: #f8f8f8; transition: all 0.6s; }
.parameter-item p.title { color: #333; transition: all 0.6s; }

.parameter-item:hover { background-color: #417aff; }
.parameter-item:hover p.title { color: #fff; }

/* show */
.show-title { font-size: 20px; text-align: center; margin: 15px 0; }
.show-para { color: #ccc; text-align: center; border-bottom: 1px solid #eee; padding-bottom: 10px; }
.show-content { padding: 15px 0; line-height: 2em; font-size: 16px; text-align: justify; }
.show-img { text-align: center; margin-bottom: 30px; }
.show-content img { max-width: 100%; }
.show-content p.ptitle { font-size: 16px; color: #124c72; font-weight: 700; }
.show-content p.ptitle i { display: inline-block; width: 15px; height: 15px; margin-right: 10px; background-color: #ca141d; }

/* page search */
.page-search .container { width: 1000px; margin: 0 auto; }
a.search-item { display: block; line-height: 48px; padding: 0 15px 0 10px; border-bottom: 1px dashed #eee; }
.search-item p.date { float: right; }
.search-item p.title { width: 700px; }
.search-item p.title i.layui-icon { font-size: 12px; color: #999; margin-right: 10px; }

/* pagination */
.pagination { margin-top: 30px; }
.pagination li { display: inline-block; margin: 0 5px; }
.pagination li a,
.pagination li span { display: inline-block; padding: 5px 15px; background-color: #eee; border-radius: 3px; }
.pagination li a:hover { color: #417aff; }
.pagination li.active span { background-color: #417aff; color: #fff; }

/* footer */
.footer { background-color: #01081a; }
.footer-content { padding: 60px 0; border-bottom: 1px solid #233444; }

.footer-menu { float: left; }
.footer-menu-item { float: left; width: 200px; }
.footer-menu dt { padding-bottom: 12px; font-size: 16px; line-height: 24px; font-weight: bold; color: #D7D8D9; }
.footer-menu dd a { font-size: 14px; line-height: 30px; color: #888A8E; }
.footer-menu dd a:hover { color: #fff; }

.footer-contact { float: left; }
.footer-contact-tit { padding-bottom: 12px; font-size: 16px; line-height: 24px; font-weight: bold; color: #D7D8D9; }
.footer-contacts li { font-size: 14px; line-height: 30px; color: #888A8E; }

.footer-qrcode { float: right; text-align: center; }
.footer-qrcode-item { float: left; margin-right: 30px; }
.footer-qrcode-item:last-child { margin: 0; }
.footer-qrcode-item img { width: 140px; height: 140px; margin-bottom: 15px; }
.footer-qrcode-item p { color: #fff; text-align: center; line-height: 28px; }

.copyright { padding: 25px 0; color: #fff; }
.copyright p.copyright-desc { text-align: center; }