/* =========================================================
   现代蓝色企业模板  (dltydl 风格 / 电缆制造企业)
   主样式文件 css/style.css
   ---------------------------------------------------------
   配色：蓝 #337ab7 / #286090  深蓝底 #235e93  白 #fff  灰 #666
   布局：顶部条 + 蓝色导航 + 通栏 Banner + 产品网格 + 侧边浮窗
   ========================================================= */

html,body{margin:0;padding:0;width:100%;font-size:14px;background:#fff;color:#666;font-family:"Microsoft YaHei","Helvetica Neue",Tahoma,Arial,"微软雅黑",sans-serif;}
img{max-width:100%;height:auto;border:0;}
ul,li,dl,dd,dt,p{margin:0;padding:0;}
a{text-decoration:none;color:#666;}
ul,li{list-style:none;}
input,button,textarea{outline:none;}
button{cursor:pointer;}
.clearfix:after{content:"";display:block;clear:both;}
.fl{float:left;} .fr{float:right;} .clearboth{clear:both;}
:root{--blue:#337ab7;--blue2:#286090;--blue3:#235e93;--deep:#154060;}

.dl-wrap{width:1200px;margin:0 auto;position:relative;}
@media (max-width:1220px){.dl-wrap{width:96%;}}

/* ---------- 顶部条 ---------- */
.dl-topbar{background:#337ab7;color:#fff;line-height:34px;font-size:13px;}
.dl-topbar .wrap{width:1200px;margin:0 auto;clearfix;}
.dl-topbar .wel{float:left;}
.dl-topbar .links{float:right;}
.dl-topbar .links a{color:#fff;margin:0 6px;}
.dl-topbar .links a:hover{text-decoration:underline;}

/* ---------- Header ---------- */
.dl-header{background:#fff;border-bottom:3px solid #337ab7;}
.dl-header .wrap{width:1200px;margin:0 auto;position:relative;padding:0;}
.dl-logo{display:block;float:left;height:96px;line-height:96px;font-size:28px;font-weight:bold;color:#337ab7;letter-spacing:1px;}
.dl-logo b{color:#2b2b2b;}
.dl-menu{float:right;}
.dl-menu>ul>li{position:relative;float:left;}
.dl-menu>ul>li>a{display:block;padding:0 24px;height:96px;line-height:96px;font-size:17px;color:#333;transition:.2s;}
.dl-menu>ul>li:hover>a,.dl-menu>ul>li.on>a{color:#fff;background:#337ab7;}
.dl-menu .sub{display:none;position:absolute;top:96px;left:0;min-width:150px;background:#fff;box-shadow:0 8px 20px rgba(0,0,0,.12);z-index:80;}
.dl-menu>ul>li:hover .sub{display:block;}
.dl-menu .sub a{display:block;padding:12px 20px;color:#333;font-size:15px;border-top:1px solid #f0f0f0;}
.dl-menu .sub a:hover{background:#337ab7;color:#fff;}
.dl-mbtn{display:none;float:right;margin-top:28px;width:44px;height:40px;border:1px solid #ddd;background:#fff;font-size:22px;color:#337ab7;line-height:38px;text-align:center;}

/* ---------- Banner ---------- */
.dl-banner{position:relative;overflow:hidden;background:#235e93;}
.dl-banner .slide{position:absolute;top:0;left:0;width:100%;height:100%;background-size:cover;background-position:center;opacity:0;transition:opacity .9s;z-index:1;}
.dl-banner .slide.on{opacity:1;}
.dl-banner .ph{height:480px;}
.dl-banner .dots{position:absolute;bottom:16px;left:0;right:0;text-align:center;z-index:4;}
.dl-banner .dots i{display:inline-block;width:12px;height:12px;margin:0 6px;border:2px solid #fff;border-radius:50%;cursor:pointer;opacity:.7;}
.dl-banner .dots i.on{background:#fff;opacity:1;}

/* ---------- 通用栏目标题 ---------- */
.dl-ptt{text-align:center;line-height:60px;font-size:30px;color:#333;position:relative;margin:0 0 8px;}
.dl-ptt span{font-size:16px;color:#337ab7;margin-left:12px;text-transform:uppercase;letter-spacing:2px;}
.dl-ptt::after{content:"";display:block;width:70px;height:3px;margin:8px auto 0;background:#337ab7;}

/* ---------- 产品展示 ---------- */
.dl-products{padding:50px 0;}
.dl-products .hd{overflow:hidden;margin-bottom:24px;clear:both;}
.dl-products .cate{float:left;width:260px;}
.dl-products .cate .cate-t{background:#337ab7;color:#fff;line-height:46px;padding:0 18px;font-size:18px;}
.dl-products .cate ul li a{display:block;padding:12px 18px;color:#444;font-size:15px;border-bottom:1px solid #f0f0f0;background:#f8f8f8;}
.dl-products .cate ul li a:hover,.dl-products .cate ul li.on a{background:#337ab7;color:#fff;}
.dl-products .cate .more{display:block;margin-top:14px;color:#337ab7;font-size:14px;}
.dl-products .prod{float:right;width:calc(100% - 290px);}
.dl-prod-grid{display:flex;flex-wrap:wrap;margin:-8px;}
.dl-prod{box-sizing:border-box;width:33.33%;padding:8px;}
.dl-prod-card{position:relative;overflow:hidden;background:#fff;border:1px solid #e6e6e6;height:100%;}
.dl-prod-card .img{display:block;height:200px;overflow:hidden;}
.dl-prod-card .img img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.dl-prod-card:hover .img img{transform:scale(1.08);}
.dl-prod-card h3{display:block;padding:12px 12px;font-size:16px;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dl-prod-card h3 a{color:#333;}
.dl-prod-card h3 a:hover{color:#337ab7;}
.dl-prod-card .mask{position:absolute;top:0;left:0;right:0;height:200px;background:rgba(51,122,183,.82);opacity:0;transition:.3s;display:flex;align-items:center;justify-content:center;}
.dl-prod-card:hover .mask{opacity:1;}
.dl-prod-card .mask h4{color:#fff;font-size:20px;font-weight:normal;}

/* ---------- 标语区块 ---------- */
.dl-callout{padding:46px 0;background:linear-gradient(135deg,#337ab7,#235e93);color:#fff;text-align:center;}
.dl-callout .slogan{font-size:32px;font-weight:bold;letter-spacing:1px;}
.dl-callout .subapp{font-size:26px;margin-top:10px;opacity:.95;}
.dl-callout .telbox{margin-top:22px;font-size:22px;}
.dl-callout .telbox b{color:#ffe08a;font-size:30px;margin:0 14px;}
.dl-callout .btn{display:inline-block;background:#fff;color:#337ab7;font-size:16px;padding:10px 26px;border-radius:30px;margin-left:18px;}
.dl-callout .btn:hover{background:#ffe08a;color:#154060;}

/* ---------- 关于我们 ---------- */
.dl-about{padding:50px 0;background:#f6f8fb;overflow:hidden;}
.dl-about .pic{float:left;width:46%;}
.dl-about .pic img{width:100%;}
.dl-about .text{float:right;width:50%;padding-top:20px;}
.dl-about .text p{font-size:15px;color:#555;line-height:30px;text-align:justify;margin-bottom:12px;}
.dl-about .text .more{display:inline-block;margin-top:10px;color:#337ab7;font-weight:bold;font-size:15px;}

/* ---------- 客户/工程案例 ---------- */
.dl-partners{padding:50px 0;}
.dl-partners .row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.dl-partners .cell{width:180px;height:120px;background:#eaf1f8;display:flex;align-items:center;justify-content:center;color:#337ab7;font-size:16px;font-weight:bold;}

/* ---------- 新闻中心 ---------- */
.dl-news{padding:50px 0;}
.dl-news .cols{display:flex;gap:30px;}
.dl-news .nmain{flex:1 1 55%;}
.dl-news .nside{flex:1 1 45%;}
.dl-news h2{line-height:40px;color:#333;font-size:20px;border-bottom:2px solid #337ab7;margin-bottom:6px;}
.dl-news h2 a{float:right;font-size:13px;color:#337ab7;font-weight:normal;}
.dl-news .nitem{border-bottom:1px dashed #e3e3e3;padding:16px 0;overflow:hidden;}
.dl-news .nitem .pimg{float:left;width:160px;height:110px;overflow:hidden;}
.dl-news .nitem .pimg img{width:100%;height:100%;object-fit:cover;}
.dl-news .nitem .panel{float:right;width:calc(100% - 180px);}
.dl-news .nitem .panel h4 a{color:#333;font-size:17px;font-weight:bold;line-height:26px;}
.dl-news .nitem .panel h4 a:hover{color:#337ab7;}
.dl-news .nitem .panel time{color:#999;font-size:13px;display:block;margin:6px 0;}
.dl-news .nitem .panel p{color:#777;font-size:14px;line-height:24px;}
.dl-news .nlist li{padding:13px 0;border-bottom:1px dashed #e3e3e3;overflow:hidden;}
.dl-news .nlist li a{color:#555;font-size:16px;float:left;max-width:82%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dl-news .nlist li a:hover{color:#337ab7;}
.dl-news .nlist li span{float:right;color:#999;font-size:13px;}
.dl-falist li{padding:11px 0;border-bottom:1px dashed #e3e3e3;overflow:hidden;}
.dl-falist li a{color:#555;font-size:15px;float:left;max-width:85%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dl-falist li a:hover{color:#337ab7;}
.dl-falist li span{float:right;color:#999;font-size:13px;}

/* ---------- 列表页 / 分页 ---------- */
.dl-main{padding:40px 0 70px;}
.dl-crumb{line-height:50px;color:#888;font-size:14px;border-bottom:1px solid #eee;margin-bottom:10px;}
.dl-crumb a{color:#337ab7;}
.dl-list .item{padding:22px 0;border-bottom:1px dashed #e3e3e3;overflow:hidden;}
.dl-list .item .pic{float:left;width:180px;height:126px;overflow:hidden;}
.dl-list .item .pic img{width:100%;height:100%;object-fit:cover;}
.dl-list .item .panel{float:right;width:calc(100% - 200px);}
.dl-list .item .panel h3 a{color:#333;font-size:19px;font-weight:bold;line-height:28px;}
.dl-list .item .panel h3 a:hover{color:#337ab7;}
.dl-list .item .panel time{color:#999;font-size:13px;display:block;margin:6px 0;}
.dl-list .item .panel p{color:#777;font-size:15px;line-height:26px;}
.dl-pagebar{text-align:center;padding:26px 0 0;}
.dl-pagebar a,.dl-pagebar span{display:inline-block;min-width:40px;padding:8px 13px;margin:0 5px;font-size:15px;line-height:22px;background:#fff;border:1px solid #ddd;color:#666;}
.dl-pagebar a:hover,.dl-pagebar .cur,.dl-pagebar .on{background:#337ab7;color:#fff;border-color:#337ab7;}

/* ---------- 内容页 ---------- */
.dl-article{max-width:980px;margin:0 auto;}
.dl-article h1{font-size:28px;color:#333;text-align:center;line-height:1.4;padding-top:8px;}
.dl-article .meta{text-align:center;color:#999;font-size:14px;padding:14px 0 20px;border-bottom:1px dashed #e3e3e3;}
.dl-article .meta a{color:#337ab7;}
.dl-article .body{font-size:16px;line-height:2;color:#444;padding-top:8px;}
.dl-article .body img{margin:14px auto;}
.dl-article .body h4{font-size:18px;color:#333;margin:18px 0 8px;}
.dl-article .body a{color:#337ab7;}
.dl-article .prenext{margin-top:24px;padding-top:16px;border-top:1px dashed #ddd;font-size:15px;color:#888;}
.dl-article .prenext a{color:#337ab7;font-weight:bold;}
.dl-related{margin-top:26px;}
.dl-related h4{font-size:18px;color:#333;border-left:4px solid #337ab7;padding-left:12px;margin-bottom:12px;}
.dl-related li{padding:11px 0;border-bottom:1px dashed #eaeaea;}
.dl-related li a{color:#555;font-size:15px;}
.dl-related li a:hover{color:#337ab7;}
.dl-related li a::before{content:"·";color:#337ab7;margin-right:8px;}

/* ---------- 产品/案例 网格 ---------- */
.dl-grid{display:flex;flex-wrap:wrap;margin:-10px;}
.dl-col{box-sizing:border-box;padding:10px;width:33.33%;}
.dl-card{border:1px solid #e2e2e2;background:#fff;overflow:hidden;transition:box-shadow .3s;height:100%;}
.dl-card:hover{box-shadow:0 8px 22px rgba(51,122,183,.15);}
.dl-card .cimg{display:block;overflow:hidden;height:220px;}
.dl-card .cimg img{width:100%;height:100%;object-fit:cover;transition:.4s;}
.dl-card:hover .cimg img{transform:scale(1.06);}
.dl-card .cbody{padding:16px;}
.dl-card .cbody h3{font-size:18px;color:#333;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.dl-card .cbody h3 a{color:#333;}
.dl-card .cbody h3 a:hover{color:#337ab7;}
.dl-card .cbody p{color:#888;font-size:14px;margin-top:6px;line-height:24px;}

/* ---------- 关于页 ---------- */
.dl-aboutpage{display:flex;gap:40px;align-items:center;}
.dl-aboutpage .img{width:46%;}
.dl-aboutpage .img img{width:100%;}
.dl-aboutpage .panel{width:54%;}
.dl-aboutpage .panel h3{font-size:22px;color:#337ab7;margin-bottom:12px;}
.dl-aboutpage .panel p{font-size:15px;color:#555;line-height:30px;text-align:justify;}

/* ---------- 联系页 ---------- */
.dl-contact{max-width:760px;margin:0 auto;}
.dl-contact .info{text-align:center;padding:10px 0 20px;}
.dl-contact .info p{font-size:17px;line-height:34px;color:#555;}
.dl-contact .info p b{color:#337ab7;}
.dl-contact .row{margin:14px 0;}
.dl-contact label{display:block;font-size:15px;color:#555;margin-bottom:6px;}
.dl-contact input,.dl-contact textarea{width:100%;padding:11px 13px;border:1px solid #ddd;font-size:15px;box-sizing:border-box;}
.dl-contact input:focus,.dl-contact textarea:focus{border-color:#337ab7;}
.dl-contact textarea{min-height:130px;resize:vertical;}
.dl-contact button{background:#337ab7;color:#fff;border:none;padding:11px 34px;font-size:16px;cursor:pointer;}
.dl-contact button:hover{background:#286090;}

/* ---------- 页脚 ---------- */
.dl-footer{background:#235e93;color:#fff;padding:40px 0 0;}
.dl-footer .wrap{width:1200px;margin:0 auto;}
@media (max-width:1220px){.dl-footer .wrap{width:96%;}}
.dl-footer .nav_foot{text-align:center;line-height:36px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.2);margin-bottom:26px;padding-bottom:10px;}
.dl-footer .nav_foot a{color:#d6e6f5;margin:0 8px;}
.dl-footer .nav_foot a:hover{color:#fff;}
.dl-footer .ads{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;}
.dl-footer .ads li{width:230px;display:flex;align-items:center;gap:12px;}
.dl-footer .ads .ic{width:46px;height:46px;border-radius:8px;background:rgba(255,255,255,.15);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;}
.dl-footer .ads .det h3{font-size:14px;font-weight:normal;color:#cfe1f0;}
.dl-footer .ads .det span{font-size:17px;color:#fff;}
.dl-footer .wei{text-align:center;margin-top:24px;}
.dl-footer .wei img{width:120px;height:120px;border:2px solid #fff;background:#fff;padding:4px;}
.dl-footer .wei p{font-size:13px;color:#cfe1f0;margin-top:8px;}
.dl-footer .friendlinks{margin-top:26px;text-align:center;}
.dl-footer .friendlinks .ft-title{color:#cfe1f0;font-size:16px;font-weight:bold;letter-spacing:2px;margin-bottom:14px;}
.dl-footer .friendlinks .flinks a{display:inline-block;margin:0 8px 10px 0;padding:7px 14px;border:1px solid rgba(255,255,255,.22);border-radius:4px;color:#d6e6f5;font-size:14px;transition:.2s;}
.dl-footer .friendlinks .flinks a:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#7ab6ff;}
.dl-copyright{background:#154060;text-align:center;color:#b6c9db;font-size:13px;line-height:34px;}
.dl-copyright a{color:#b6c9db;}
.dl-copyright a:hover{color:#fff;}

/* ---------- 右侧浮窗 ---------- */
.dl-toolbar{position:fixed;right:0;top:45%;z-index:120;}
.dl-toolbar ul li{position:relative;width:52px;height:52px;background:#337ab7;margin-bottom:2px;cursor:pointer;color:#fff;font-size:13px;text-align:center;line-height:22px;padding-top:6px;box-sizing:border-box;}
.dl-toolbar ul li:hover{background:#286090;}
.dl-toolbar ul li .ic{display:block;font-size:20px;line-height:20px;}
.dl-toolbar ul li.backtop{background:#337ab7;}
.dl-toolbar ul li .tel-pop{position:absolute;right:56px;top:0;background:#fff;color:#337ab7;line-height:52px;padding:0 16px;white-space:nowrap;box-shadow:0 0 12px rgba(0,0,0,.15);display:none;}
.dl-toolbar ul li:hover .tel-pop{display:block;}

/* ---------- 响应式 ---------- */
@media (max-width:1000px){
  .dl-menu{display:none;position:absolute;top:56px;left:0;right:0;background:#fff;box-shadow:0 12px 22px rgba(0,0,0,.12);z-index:120;}
  .dl-menu.open{display:block;}
  .dl-menu>ul>li{float:none;}
  .dl-menu>ul>li>a{height:46px;line-height:46px;padding:0 20px;border-top:1px solid #f0f0f0;}
  .dl-menu .sub{position:static;box-shadow:none;background:#f7f9fc;}
  .dl-mbtn{display:block;}
  .dl-logo{height:62px;line-height:62px;font-size:22px;}
  .dl-banner .ph{height:320px;}
  .dl-products .cate,.dl-products .prod{width:100%;float:none;}
  .dl-prod{width:50%;}
  .dl-news .cols{flex-direction:column;}
  .dl-callout .slogan{font-size:22px;}
  .dl-callout .subapp{font-size:18px;}
  .dl-about .pic,.dl-about .text{width:100%;float:none;}
  .dl-aboutpage{flex-direction:column;}
  .dl-aboutpage .img,.dl-aboutpage .panel{width:100%;}
  .dl-col{width:50%;}
}
@media (max-width:640px){
  .dl-prod,.dl-col{width:100%;}
  .dl-prod-card .img,.dl-prod-card .mask{height:180px;}
  .dl-callout .telbox b{display:block;margin:8px 0;}
  .dl-news .nitem .pimg{width:100%;float:none;margin-bottom:10px;}
  .dl-news .nitem .panel{width:100%;float:none;}
  .dl-footer .ads li{width:100%;}
}