@charset "utf-8";
/* ============================================================
   昆明丁哇贸易有限公司 - 全站样式（还原参考站 红色重工模板 布局）
   配色：主色 #c5202a（暖香料红）、辅色 #8f1620、半透明 rgba(197,32,42,.22)、金 #f0a830
   断点：手机 <768 / 平板 768-1024 / 桌面 >1024
   ============================================================ */

/* ---------- 主题变量 ---------- */
:root{
    --colour1:#c5202a;
    --colour2:#8f1620;
    --colour3:rgba(197,32,42,.22);
    --gold:#f0a830;
    --txt:#333;
    --txt2:#666;
    --txt3:#999;
    --bg:#fff;
    --line:#e8e8e8;
}

/* ---------- 全局重置 ---------- */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:rgba(0,0,0,0);}
html{font-size:14px;}
body{
    font-family:"Microsoft YaHei","微软雅黑",Helvetica,Arial,sans-serif;
    font-size:14px;color:var(--txt);background:var(--bg);line-height:1.6;
    text-align:left;-webkit-text-size-adjust:none;overflow-x:hidden;
    padding-top:118px;
}
img{border:0;max-width:100%;display:block;}
a{text-decoration:none;color:var(--txt);outline:0;transition:all .35s;}
a:hover{color:var(--colour1);}
ul,ol,li{list-style:none;}
i{font-style:normal;}
h1,h2,h3,h4,h5,h6{font-weight:normal;font-size:100%;}
input,textarea,select,button{font-family:inherit;font-size:100%;outline:none;}
button{cursor:pointer;border:0;background:none;}

/* ---------- 通用工具类 ---------- */
.w1200{max-width:1200px;margin:0 auto;padding:0 15px;width:100%;}
.fl{float:left;}
.fr{float:right;}
.clear,.clearfix{clear:both;}
.clearfix::after{content:".";display:block;clear:both;height:0;visibility:hidden;overflow:hidden;}
.tc{text-align:center;}
.hide{display:none !important;}
/* 淡入动画 */
.fade-in{opacity:0;transform:translateY(36px);transition:opacity .8s ease,transform .8s ease;}
.fade-in.in{opacity:1;transform:translateY(0);}
/* 图片兜底占位 */
.img-fallback{
    background:linear-gradient(135deg,var(--colour1),var(--gold));
    display:flex;align-items:center;justify-content:center;
    width:100%;height:100%;min-height:200px;color:#fff;font-size:14px;
}
/* 高光扫光特效 */
.sheen{position:relative;overflow:hidden;}
.sheen::after{
    content:'';position:absolute;left:-120%;top:0;width:80%;height:100%;
    background:linear-gradient(0deg,rgba(255,255,255,0),rgba(255,255,255,.45),rgba(255,255,255,0));
    transform:skewX(-25deg);transition:left .6s;
}
.sheen:hover::after{left:140%;}

/* ============================================================
   一、顶部信息栏 + 导航（topbox > lotbox + menubox）
   ============================================================ */
.topbox{
    position:fixed;top:0;left:0;right:0;z-index:999;background:#fff;
    box-shadow:0 2px 12px rgba(0,0,0,.08);
}
/* 信息栏 */
.lotbox{padding:14px 0 12px;border-bottom:1px solid #f2f2f2;display:flex;align-items:center;justify-content:space-between;}
.logo{display:flex;align-items:center;gap:12px;}
.logo .logo-icon{width:54px;height:54px;flex-shrink:0;display:flex;align-items:center;justify-content:center;}
.logo .logo-icon svg{width:100%;height:100%;display:block;}
.logo .logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo .logo-text .brand{font-size:24px;font-weight:bold;color:#222;letter-spacing:1px;}
.logo .logo-text .brand b{color:var(--colour1);}
.logo .logo-text .tag{font-size:12px;color:var(--txt3);letter-spacing:3px;margin-top:5px;text-transform:uppercase;}
.top-contact{display:flex;align-items:center;gap:10px;}
.top-contact .tel-icon{
    width:40px;height:40px;border-radius:50%;flex-shrink:0;
    background:var(--colour3);display:flex;align-items:center;justify-content:center;color:var(--colour1);
}
.top-contact .tel-icon svg{width:20px;height:20px;}
.top-contact .tel-text{display:flex;flex-direction:column;line-height:1.1;}
.top-contact .tel-text .lbl{font-size:12px;color:var(--txt3);}
.top-contact .tel-text .num{font-size:22px;font-weight:bold;color:var(--colour1);font-family:Arial;letter-spacing:1px;}
/* 导航栏 */
.menubox{position:relative;}
.nav{display:flex;justify-content:center;}
.nav>li{position:relative;}
.nav>li>a{
    display:block;padding:0 26px;height:52px;line-height:52px;
    font-size:16px;color:#4f5050;font-weight:bold;
}
.nav>li:hover>a,.nav>li.on>a{color:var(--colour1);}
.nav>li.on>a{position:relative;}
.nav>li.on>a::after{
    content:'';position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
    width:28px;height:3px;border-radius:2px;background:var(--colour1);
}
.nav>li:hover>a::after{
    content:'';position:absolute;left:50%;bottom:6px;transform:translateX(-50%);
    width:0;height:3px;border-radius:2px;background:var(--colour1);transition:width .3s;
}
.nav>li:hover>a::after{width:28px;}
/* 下拉子菜单 */
.sub{
    position:absolute;top:52px;left:50%;transform:translateX(-50%);
    min-width:170px;background:#fff;border:1px solid #eee;border-radius:6px;
    box-shadow:0 8px 20px rgba(0,0,0,.1);
    opacity:0;visibility:hidden;transform:translate(-50%,8px);transition:all .3s;padding:6px 0;z-index:50;
}
.nav>li:hover .sub{opacity:1;visibility:visible;transform:translate(-50%,0);}
.sub li a{display:block;padding:0 18px;height:40px;line-height:40px;font-size:14px;color:#555;text-align:center;white-space:nowrap;}
.sub li a:hover{background:var(--colour1);color:#fff;}
/* 移动端汉堡 */
.nav-toggle{
    display:none;width:42px;height:42px;flex-direction:column;justify-content:center;align-items:center;gap:5px;
}
.nav-toggle span{display:block;width:24px;height:2px;background:var(--colour1);transition:.3s;}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.open span:nth-child(2){opacity:0;}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============================================================
   二、Banner 轮播
   ============================================================ */
.banner{position:relative;overflow:hidden;background:#222;}
.banner .slides{display:flex;transition:transform .6s ease;}
.banner .slide{position:relative;min-width:100%;height:0;padding-bottom:31.25%;overflow:hidden;}
.banner .slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.banner .slide .slide-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.55),rgba(0,0,0,.15));}
.banner .slide .slide-text{
    position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);z-index:2;
    max-width:1200px;margin:0 auto;padding:0 15px;color:#fff;
}
.banner .slide .slide-text h2{font-size:46px;font-weight:bold;line-height:1.2;text-shadow:0 2px 6px rgba(0,0,0,.5);}
.banner .slide .slide-text p{font-size:20px;margin-top:14px;opacity:.95;text-shadow:0 1px 4px rgba(0,0,0,.5);}
.banner .slide .slide-text .slide-btn{
    display:inline-block;margin-top:24px;padding:12px 34px;border:1px solid #fff;border-radius:30px;
    color:#fff;font-size:15px;letter-spacing:2px;background:rgba(255,255,255,.12);
}
.banner .slide .slide-text .slide-btn:hover{background:var(--colour1);border-color:var(--colour1);}
.banner .banner-dots{position:absolute;left:0;right:0;bottom:20px;text-align:center;z-index:5;}
.banner .banner-dots span{display:inline-block;width:10px;height:10px;margin:0 5px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;transition:.4s;}
.banner .banner-dots span.on{width:30px;border-radius:6px;background:#fff;}
.banner .banner-arrow{
    position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:46px;height:64px;
    background:rgba(0,0,0,.25);color:#fff;font-size:26px;display:flex;align-items:center;justify-content:center;
    opacity:0;transition:.4s;cursor:pointer;
}
.banner:hover .banner-arrow{opacity:1;}
.banner .banner-arrow.prev{left:20px;}
.banner .banner-arrow.next{right:20px;}
.banner .banner-arrow:hover{background:var(--colour1);}

/* ============================================================
   三、搜索栏
   ============================================================ */
.searchbar{background:#f4f4f6;padding:18px 0;}
.searchbar .sb-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;}
.searchbar .hot b{color:var(--colour1);font-size:16px;margin-right:6px;}
.searchbar .hot a{color:rgba(57,57,57,.6);margin-right:18px;font-size:14px;}
.searchbar .hot a:hover{color:var(--colour1);}
.searchbox{display:flex;align-items:stretch;background:var(--colour1);border-radius:24px;overflow:hidden;}
.searchbox input{width:230px;padding:0 16px;height:42px;background:transparent;color:#fff;border:0;font-size:14px;}
.searchbox input::placeholder{color:rgba(255,255,255,.7);}
.searchbox button{width:54px;height:42px;color:#fff;display:flex;align-items:center;justify-content:center;background:var(--colour2);}
.searchbox button svg{width:20px;height:20px;}

/* ============================================================
   四、通用区块标题
   ============================================================ */
.sec{padding:70px 0;}
.sec-title{text-align:center;margin-bottom:42px;}
.sec-title h2{font-size:34px;font-weight:bold;color:#1a1a1a;}
.sec-title h2 span{color:var(--colour1);}
.sec-title .en{display:block;font-size:15px;color:var(--txt3);letter-spacing:4px;text-transform:uppercase;margin-top:8px;font-family:Arial;}
.sec-title .en::before,.sec-title .en::after{content:'';display:inline-block;width:34px;height:1px;background:var(--line);vertical-align:middle;margin:0 12px;}
.more{text-align:center;}
.more a{
    display:inline-block;width:198px;height:46px;line-height:46px;text-align:center;
    border-radius:50px;border:1px solid var(--colour1);background:var(--colour1);color:#fff;font-size:15px;
}
.more a:hover{background:#111;border-color:#111;}

/* ============================================================
   五、关于我们（首页）
   ============================================================ */
.about{background:#fafafa;}
.about .ab-inner{display:flex;align-items:center;gap:50px;}
.about .ab-img{position:relative;flex:0 0 48%;overflow:hidden;border-radius:8px;box-shadow:0 16px 40px rgba(0,0,0,.12);}
.about .ab-img::before{
    content:'';position:absolute;right:-26px;top:-26px;width:54%;height:60%;z-index:0;
    background:var(--colour1);border-radius:8px;
}
.about .ab-img img{position:relative;z-index:1;width:100%;height:360px;object-fit:cover;transition:transform 1s;}
.about .ab-img:hover img{transform:scale(1.08);}
.about .ab-txt{flex:1;}
.about .ab-txt .sec-title{text-align:left;margin-bottom:20px;}
.about .ab-txt .sec-title .en::before,.about .ab-txt .sec-title .en::after{display:none;}
.about .ab-txt h3{font-size:22px;color:#222;margin-bottom:16px;font-weight:bold;}
.about .ab-txt p{color:rgba(0,0,0,.7);font-size:15px;line-height:2;text-align:justify;margin-bottom:14px;}
.ab-stats{display:flex;gap:18px;margin-top:28px;}
.ab-stats .st{flex:1;background:#fff;border-radius:8px;padding:18px 10px;text-align:center;box-shadow:0 4px 16px rgba(0,0,0,.05);border-top:3px solid var(--colour1);}
.ab-stats .st b{display:block;font-size:30px;color:var(--colour1);font-family:Arial;font-weight:bold;}
.ab-stats .st span{display:block;font-size:13px;color:var(--txt2);margin-top:4px;}

/* ============================================================
   六、产品中心（首页：分类标签 + 三列卡片）
   ============================================================ */
.product{background:#fff;}
.prod-tabs{text-align:center;margin-bottom:34px;}
.prod-tabs li{display:inline-block;width:auto;min-width:130px;height:42px;line-height:42px;padding:0 22px;margin:6px;
    color:#828283;font-size:15px;border:1px solid #d5d4d5;border-radius:30px;cursor:pointer;transition:all .4s;}
.prod-tabs li:hover,.prod-tabs li.on{color:#fff;background:var(--colour1);border-color:var(--colour1);}
.prod-grid{display:flex;flex-wrap:wrap;justify-content:center;}
.prod-card{
    width:calc((100% - 60px)/3);margin:0 10px 26px;background:#fff;border-radius:6px;overflow:hidden;
    box-shadow:0 4px 18px rgba(0,0,0,.12);transition:transform .4s,box-shadow .4s;
}
.prod-card:hover{transform:translateY(-8px);box-shadow:0 14px 34px rgba(0,0,0,.16);}
.prod-card .pc-img{width:100%;height:240px;overflow:hidden;}
.prod-card .pc-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.prod-card:hover .pc-img img{transform:scale(1.1);}
.prod-card .pc-name{font-size:17px;text-align:center;line-height:1.4;padding:14px 10px 4px;border-bottom:1px solid var(--colour1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.prod-card .pc-sub{display:block;text-align:center;font-size:12px;color:#b1b1b1;padding:8px 10px 14px;}

/* ============================================================
   七、应用场景 / 客户案例（icase：左3小图 + 右大图）
   ============================================================ */
.icase{background:#fafafa;}
.icase-tabs{display:flex;justify-content:center;gap:20px;margin-bottom:36px;flex-wrap:wrap;}
.icase-tabs li{
    width:200px;height:96px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
    background:#e8e8e8;border-radius:8px;cursor:pointer;transition:.4s;text-align:center;padding:0 8px;
}
.icase-tabs li svg{width:30px;height:30px;color:#666;}
.icase-tabs li span{font-size:15px;color:#4b4b4b;font-weight:bold;}
.icase-tabs li.on,.icase-tabs li:hover{background:var(--colour1);}
.icase-tabs li.on svg,.icase-tabs li:hover svg,.icase-tabs li.on span,.icase-tabs li:hover span{color:#fff;}
.icase-body{display:flex;gap:30px;align-items:stretch;}
.icase-left{flex:0 0 50%;}
.icase-left h3{font-size:24px;color:#333;font-weight:bold;margin-bottom:6px;}
.icase-left .il-en{color:var(--colour1);font-size:14px;letter-spacing:3px;text-transform:uppercase;margin-bottom:14px;}
.icase-left p{font-size:15px;color:var(--txt2);line-height:1.9;}
.icase-left .il-thumbs{display:flex;gap:14px;margin-top:22px;}
.icase-left .il-thumbs .t{flex:1;position:relative;height:130px;border-radius:6px;overflow:hidden;}
.icase-left .il-thumbs .t img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.icase-left .il-thumbs .t:hover img{transform:scale(1.1);}
.icase-right{flex:1;position:relative;}
.icase-right .ic-slides{position:relative;border-radius:8px;overflow:hidden;height:340px;}
.icase-right .ic-slides img{width:100%;height:100%;object-fit:cover;transition:transform 1s;}
.icase-right .ic-slides:hover img{transform:scale(1.08);}
.icase-right .ic-cap{position:absolute;left:0;bottom:0;background:var(--colour1);color:#fff;padding:0 22px;height:50px;line-height:50px;font-size:15px;max-width:80%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.icase-right .ic-arr{position:absolute;right:0;bottom:0;width:50px;height:50px;background:rgba(255,255,255,.3);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;cursor:pointer;}
.icase-right .ic-arr.prev{right:50px;}

/* ============================================================
   八、合作伙伴（partner：竖排标题 + logo墙）
   ============================================================ */
.partner{background:#eaeaea;padding:70px 0;}
.partner .pt-inner{display:flex;align-items:flex-start;gap:30px;}
.partner .pt-title{flex:0 0 70px;text-align:center;}
.partner .pt-title h3{writing-mode:vertical-rl;font-size:26px;font-weight:bold;color:#1a1a1a;letter-spacing:2px;}
.partner .pt-title h3 span{color:var(--colour1);}
.partner .pt-list{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.partner .pt-list .pl{
    background:#fff;border-radius:6px;height:90px;display:flex;align-items:center;justify-content:center;
    font-size:16px;font-weight:bold;color:#555;transition:.4s;border:1px solid transparent;
}
.partner .pt-list .pl:hover{border-color:var(--colour1);color:var(--colour1);transform:translateY(-4px);box-shadow:0 8px 20px rgba(0,0,0,.1);}

/* ============================================================
   九、新闻动态（inews：三列卡片悬停翻转）
   ============================================================ */
.inews{background:linear-gradient(rgba(255,255,255,.92),rgba(255,255,255,.92)),repeating-linear-gradient(45deg,#f3f3f3,#f3f3f3 12px,#ededed 12px,#ededed 24px);}
.inews .news-list{display:flex;flex-wrap:wrap;}
.news-card{
    position:relative;width:calc((100% - 60px)/3);margin:0 10px 20px;background:#fff;border-radius:6px;overflow:hidden;
    box-shadow:0 5px 18px #d6d6d6;transition:.4s;height:auto;
}
.news-card .nc-front{padding-bottom:24px;}
.news-card .nc-img{width:100%;height:200px;overflow:hidden;}
.news-card .nc-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.news-card:hover .nc-img img{transform:scale(1.08);}
.news-card .nc-time{padding:14px 18px 0;display:flex;align-items:baseline;gap:10px;}
.news-card .nc-time .day{font-size:44px;font-family:Tahoma;color:var(--colour1);line-height:1;font-weight:bold;}
.news-card .nc-time .ym{color:#787878;font-size:15px;}
.news-card .nc-title{font-size:17px;line-height:1.6;padding:8px 18px 0;color:#272727;height:54px;overflow:hidden;font-weight:bold;}
.news-card:hover{box-shadow:0 12px 30px rgba(0,0,0,.16);transform:translateY(-6px);}
.news-card:hover .nc-title{color:var(--colour1);}

/* ============================================================
   十、联系我们（contact：左红右白表单）
   ============================================================ */
.contact{background:linear-gradient(rgba(245,245,245,.7),rgba(245,245,245,.7)),#f5f5f5;}
.ct-box{display:flex;background:#fff;border-radius:8px;overflow:hidden;box-shadow:0 10px 40px rgba(0,0,0,.08);}
.ct-left{flex:1;background:var(--colour1);color:#fff;padding:48px 44px;}
.ct-left h3{font-size:24px;font-weight:bold;}
.ct-left .ct-en{font-size:13px;color:rgba(255,255,255,.6);letter-spacing:3px;text-transform:uppercase;margin:8px 0 26px;}
.ct-left ul li{position:relative;padding-left:34px;line-height:2.1;font-size:14px;color:rgba(255,255,255,.85);word-break:break-all;}
.ct-left ul li svg{position:absolute;left:0;top:6px;width:20px;height:20px;}
.ct-right{flex:1;padding:48px 44px;}
.ct-right h3{font-size:22px;color:#333;font-weight:bold;}
.ct-right p{font-size:13px;color:var(--txt3);margin:8px 0 24px;}
.ct-form .row{display:flex;gap:16px;margin-bottom:16px;}
.ct-form .row.full{display:block;}
.ct-form input,.ct-form textarea{
    flex:1;width:100%;height:44px;padding:0 16px;border:1px solid #e5e5e5;border-radius:22px;color:#4f5050;font-size:14px;background:#fff;transition:.4s;
}
.ct-form textarea{height:90px;padding:12px 16px;border-radius:14px;resize:none;line-height:1.6;}
.ct-form input:focus,.ct-form textarea:focus{border-color:var(--colour1);box-shadow:0 0 0 2px var(--colour3);}
.ct-form button{
    width:100%;height:46px;border-radius:23px;background:var(--colour1);color:#fff;font-size:15px;letter-spacing:4px;transition:.4s;
}
.ct-form button:hover{background:var(--colour2);}

/* ============================================================
   十一、友情链接 + 页脚
   ============================================================ */
.links{background:#2a2a2a;color:#bbb;padding:14px 0;}
.links .lk-inner{display:flex;align-items:center;flex-wrap:wrap;gap:6px 16px;font-size:13px;}
.links .lk-inner b{color:var(--colour1);}
.links .lk-inner a{color:#bbb;}
.links .lk-inner a:hover{color:#fff;}
.footer{background:#1f1f1f;color:rgba(255,255,255,.55);padding:30px 0;}
.footer .ft-inner{display:flex;flex-wrap:wrap;justify-content:space-between;gap:30px;}
.footer .ft-col{flex:1;min-width:170px;}
.footer .ft-col h4{color:#fff;font-size:16px;font-weight:bold;margin-bottom:16px;position:relative;padding-left:14px;}
.footer .ft-col h4::before{content:'';position:absolute;left:0;top:4px;width:4px;height:16px;background:var(--colour1);border-radius:2px;}
.footer .ft-col p{font-size:13px;line-height:2;color:rgba(255,255,255,.6);}
.footer .ft-col ul li a{font-size:13px;color:rgba(255,255,255,.6);line-height:2;display:inline-block;}
.footer .ft-col ul li a:hover{color:#fff;padding-left:4px;}
.footer .ft-qr{text-align:center;}
.footer .ft-qr img{width:104px;height:104px;border:4px solid #fff;border-radius:6px;margin:0 auto 8px;background:#fff;}
.footer .ft-qr span{font-size:12px;color:rgba(255,255,255,.6);}
.footer .ft-copy{border-top:1px solid rgba(255,255,255,.1);margin-top:24px;padding-top:18px;text-align:center;font-size:13px;color:rgba(255,255,255,.5);}
.footer .ft-copy a{color:rgba(255,255,255,.5);}
.footer .ft-copy a:hover{color:#fff;}

/* ============================================================
   十二、浮动工具栏
   ============================================================ */
.toolbar{position:fixed;right:14px;top:50%;transform:translateY(-50%);z-index:90;display:flex;flex-direction:column;gap:6px;}
.toolbar .ti{
    position:relative;width:56px;height:56px;background:var(--colour1);border-radius:6px;color:#fff;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:12px;cursor:pointer;transition:.4s;
}
.toolbar .ti svg{width:22px;height:22px;}
.toolbar .ti:hover{background:#333;}
.toolbar .ti .tip{
    position:absolute;right:64px;top:50%;transform:translateY(-50%);background:var(--colour1);color:#fff;
    padding:8px 14px;border-radius:6px;white-space:nowrap;font-size:13px;opacity:0;visibility:hidden;transition:.3s;
}
.toolbar .ti .tip img{width:120px;height:120px;border-radius:4px;background:#fff;padding:4px;}
.toolbar .ti:hover .tip{opacity:1;visibility:visible;}
.toolbar .ti .tip::after{content:'';position:absolute;right:-8px;top:50%;transform:translateY(-50%);border:8px solid transparent;border-left-color:var(--colour1);}
/* 工具栏语义修饰符（搭配 .ti 使用） */
.toolbar .ti.qq,.toolbar .ti.tel,.toolbar .ti.code,.toolbar .ti.top{display:flex;}
.toolbar .ti.top:hover{background:var(--colour2);}

/* ============================================================
   十三、内页 Banner + 面包屑（n-banner / ntit / ntt / weiz）
   ============================================================ */
.n-banner{position:relative;height:320px;overflow:hidden;background-position:center;background-size:cover;background-repeat:no-repeat;}
.n-banner::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.6),rgba(0,0,0,.25));}
.n-banner .nb-inner{position:relative;z-index:2;max-width:1200px;margin:0 auto;padding:90px 15px 0;color:#fff;}
.n-banner .nb-inner h1{font-size:42px;font-weight:bold;text-shadow:0 2px 4px rgba(0,0,0,.5);}
.n-banner .nb-inner p{font-size:16px;margin-top:10px;opacity:.9;}
/* 面包屑栏 */
.ntit{background:#fff;border-bottom:1px solid #f0f0f0;}
.ntit .ntt-inner{max-width:1200px;margin:0 auto;padding:0 15px;display:flex;align-items:center;justify-content:space-between;height:64px;}
.ntit h1{font-size:24px;color:#222;font-weight:bold;}
.ntit h1 i{display:inline-block;width:6px;height:22px;background:var(--colour1);border-radius:3px;vertical-align:-4px;margin-right:10px;}
.ntit .ntt-en{font-size:13px;color:var(--txt3);letter-spacing:3px;text-transform:uppercase;margin-left:10px;}
.ntit .weiz{font-size:13px;color:var(--txt3);}
.ntit .weiz a{color:var(--txt2);}
.ntit .weiz a:hover{color:var(--colour1);}
.ntit .weiz i{padding:0 6px;color:#bbb;}

/* ============================================================
   十四、内页通用容器
   ============================================================ */
.bg-main{padding:40px 0 70px;min-height:520px;}
.bg-main .bm-inner{max-width:1200px;margin:0 auto;padding:0 15px;}

/* 内页小导航/分类 */
.sub-nav{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #f2f2f2;padding-bottom:18px;margin-bottom:34px;flex-wrap:wrap;gap:12px;}
.sub-nav .sn-title{color:var(--colour1);font-size:24px;font-weight:bold;}
.sub-nav .sn-title i{display:inline-block;width:6px;height:22px;background:var(--colour1);border-radius:3px;vertical-align:-4px;margin-right:10px;}
.sub-nav .sn-tabs li{float:left;}
.sub-nav .sn-tabs li a{display:block;padding:0 20px;border:1px solid #e6e6e6;margin-left:8px;color:#666;font-size:14px;border-radius:4px;}
.sub-nav .sn-tabs li a.on,.sub-nav .sn-tabs li a:hover{background:var(--colour1);color:#fff;border-color:var(--colour1);}

/* 产品/案例网格（列表页） */
.grid-list{display:flex;flex-wrap:wrap;}
.grid-list .gl-card{
    width:calc((100% - 60px)/3);margin:0 10px 26px;background:#fff;border-radius:6px;overflow:hidden;
    box-shadow:0 3px 14px rgba(0,0,0,.08);transition:.4s;
}
.grid-list .gl-card:hover{box-shadow:0 14px 30px rgba(0,0,0,.14);transform:translateY(-6px);}
.grid-list .gl-card .gl-img{width:100%;height:240px;overflow:hidden;}
.grid-list .gl-card .gl-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.grid-list .gl-card:hover .gl-img img{transform:scale(1.1);}
.grid-list .gl-card .gl-body{padding:16px;}
.grid-list .gl-card .gl-body h3{font-size:17px;color:#333;margin-bottom:6px;}
.grid-list .gl-card:hover .gl-body h3{color:var(--colour1);}
.grid-list .gl-card .gl-body p{font-size:13px;color:var(--txt3);line-height:1.6;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}

/* 新闻列表（左图右文） */
.news-ul li{border-bottom:1px solid rgba(0,0,0,.06);padding:26px 0;}
.news-ul li a{display:flex;align-items:center;}
.news-ul li .nu-img{width:200px;height:140px;flex-shrink:0;margin-right:26px;overflow:hidden;border-radius:6px;}
.news-ul li .nu-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s;}
.news-ul li:hover .nu-img img{transform:scale(1.1);}
.news-ul li .nu-txt{flex:1;overflow:hidden;padding-right:16px;}
.news-ul li .nu-txt h3{font-size:19px;line-height:1.5;color:#222;font-weight:bold;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;transition:.4s;}
.news-ul li:hover .nu-txt h3{color:var(--colour1);}
.news-ul li .nu-txt .nu-meta{color:var(--txt3);font-size:13px;margin:6px 0;}
.news-ul li .nu-txt p{color:#b5b5b5;font-size:14px;line-height:1.8;overflow:hidden;text-overflow:ellipsis;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.news-ul li .nu-date{width:80px;flex-shrink:0;text-align:center;color:#999;border-left:1px solid #f0f0f0;padding-left:20px;}
.news-ul li .nu-date strong{display:block;font-size:34px;line-height:1.1;color:#333;font-weight:300;font-family:Arial;}
.news-ul li .nu-date span{display:block;font-size:13px;color:var(--txt3);margin-top:4px;}
.news-ul li:hover .nu-date strong{color:var(--colour1);}

/* 分页 */
.pager{text-align:center;padding:30px 0 10px;}
.pager a{display:inline-block;padding:6px 14px;margin:0 3px;border:1px solid #ddd;color:#444;border-radius:4px;line-height:1.4;}
.pager a.current,.pager a:hover{background:var(--colour1);color:#fff;border-color:var(--colour1);}

/* ============================================================
   十五、详情页（产品 / 新闻）
   ============================================================ */
.detail-top{padding:24px 0;border-bottom:1px solid #f0f0f0;text-align:center;margin-bottom:28px;}
.detail-top h1{font-size:28px;font-weight:bold;color:#222;margin-bottom:12px;}
.detail-top .dt-meta{color:var(--txt3);font-size:13px;}
.detail-top .dt-meta span{margin:0 10px;}
.context{color:#555;line-height:2;font-size:15px;text-align:justify;}
.context p{margin-bottom:16px;}
.context img{max-width:100%;height:auto;border-radius:6px;margin:18px auto;display:block;}
.context h3{font-size:19px;color:#222;font-weight:bold;margin:24px 0 12px;border-left:4px solid var(--colour1);padding-left:12px;}

/* 产品详情：左图右文 */
.showpro{display:flex;gap:40px;flex-wrap:wrap;}
.showpro .sp-img{flex:0 0 44%;min-width:300px;}
.showpro .sp-img .big{width:100%;height:380px;border-radius:8px;overflow:hidden;border:1px solid #eee;}
.showpro .sp-img .big img{width:100%;height:100%;object-fit:cover;}
.showpro .sp-img .thumbs{display:flex;gap:12px;margin-top:14px;}
.showpro .sp-img .thumbs .th{width:90px;height:70px;border-radius:6px;overflow:hidden;border:3px solid #fff;cursor:pointer;transition:.4s;}
.showpro .sp-img .thumbs .th img{width:100%;height:100%;object-fit:cover;}
.showpro .sp-img .thumbs .th.on{border-color:var(--colour1);}
.showpro .sp-info{flex:1;min-width:300px;}
.showpro .sp-info .sp-tit{font-size:26px;color:var(--colour1);font-weight:bold;padding-bottom:14px;border-bottom:1px solid #eee;margin-bottom:18px;}
.showpro .sp-info p{color:var(--txt2);line-height:2;font-size:14px;margin-bottom:10px;}
/* 参数表 */
.param-table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px;border-radius:8px;overflow:hidden;}
.param-table th,.param-table td{border:1px solid #eee;padding:11px 16px;text-align:left;}
.param-table th{background:#faf5f5;color:#333;font-weight:bold;width:130px;}
.param-table td{color:#666;}
/* 产品特点 */
.sp-features{margin-top:24px;}
.sp-features .sf-h{font-size:18px;font-weight:bold;color:#222;margin-bottom:14px;}
.sp-features ul li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;color:#555;font-size:14px;line-height:1.7;}
.sp-features ul li svg{width:20px;height:20px;color:var(--colour1);flex-shrink:0;margin-top:3px;}
/* 相关产品 */
.relate{margin-top:46px;}
.relate .relate-tit{font-size:20px;font-weight:bold;color:#222;border-bottom:1px solid #eee;padding-bottom:12px;margin-bottom:22px;position:relative;}
.relate .relate-tit::after{content:'';position:absolute;left:0;bottom:-1px;width:80px;height:2px;background:var(--colour1);}
.relate .relate-grid{display:flex;flex-wrap:wrap;}
.relate .relate-grid .gl-card{width:calc((100% - 60px)/3);margin:0 10px 14px;}

/* 详情页 上/下篇 */
.reLink{height:50px;line-height:50px;border:1px solid #eee;padding:0 16px;margin-top:30px;color:#666;font-size:14px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;}
.reLink a{color:#666;}
.reLink a:hover{color:var(--colour1);}

/* ============================================================
   十六、关于我们页：时间轴 + 企业文化 + 团队
   ============================================================ */
.about-page p.lead{font-size:15px;color:#555;line-height:2;text-align:justify;margin-bottom:14px;}
.timeline{position:relative;margin:40px 0;padding-left:30px;}
.timeline::before{content:'';position:absolute;left:8px;top:0;bottom:0;width:2px;background:var(--colour3);}
.timeline .tl-node{position:relative;padding:0 0 30px 30px;}
.timeline .tl-node::before{content:'';position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--colour1);border:3px solid #fff;box-shadow:0 0 0 2px var(--colour1);}
.timeline .tl-node .yr{font-size:20px;font-weight:bold;color:var(--colour1);font-family:Arial;}
.timeline .tl-node h4{font-size:16px;color:#222;font-weight:bold;margin:4px 0 6px;}
.timeline .tl-node p{font-size:14px;color:var(--txt2);line-height:1.8;}
/* 文化卡片 */
.culture-grid{display:flex;flex-wrap:wrap;}
.culture-grid .cul-card{width:calc((100% - 60px)/3);margin:0 10px 24px;background:#fff;border-radius:8px;padding:30px 24px;text-align:center;box-shadow:0 4px 18px rgba(0,0,0,.06);border-top:3px solid var(--colour1);}
.culture-grid .cul-card .ico{width:64px;height:64px;margin:0 auto 16px;border-radius:50%;background:var(--colour3);display:flex;align-items:center;justify-content:center;color:var(--colour1);}
.culture-grid .cul-card .ico svg{width:30px;height:30px;}
.culture-grid .cul-card h3{font-size:19px;color:#222;font-weight:bold;margin-bottom:8px;}
.culture-grid .cul-card p{font-size:13px;color:var(--txt2);line-height:1.8;}
/* 团队 */
.team-grid{display:flex;flex-wrap:wrap;}
.team-grid .tm-card{width:calc((100% - 80px)/4);margin:0 10px 26px;text-align:center;}
.team-grid .tm-card .av{width:140px;height:140px;border-radius:50%;overflow:hidden;margin:0 auto 14px;border:4px solid #fff;box-shadow:0 6px 18px rgba(0,0,0,.12);}
.team-grid .tm-card .av img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.team-grid .tm-card:hover .av img{transform:scale(1.1);}
.team-grid .tm-card h4{font-size:18px;color:#222;font-weight:bold;}
.team-grid .tm-card span{display:block;font-size:13px;color:var(--colour1);margin-top:4px;}

/* ============================================================
   十七、响应式
   ============================================================ */
@media (max-width:1024px){
    .banner .slide .slide-text h2{font-size:34px;}
    .banner .slide .slide-text p{font-size:16px;}
    .about .ab-img::before{display:none;}
    .footer .ft-col{flex:1 1 40%;}
}
@media (max-width:768px){
    body{padding-top:72px;}
    .lotbox{padding:10px 0;}
    .logo .logo-icon{width:42px;height:42px;}
    .logo .logo-text .brand{font-size:18px;}
    .logo .logo-text .tag{font-size:10px;letter-spacing:2px;}
    .top-contact .tel-text .num{font-size:16px;}
    .top-contact .tel-text .lbl,.top-contact .tel-icon{display:none;}
    /* 移动端导航 */
    .nav-toggle{display:flex;}
    .menubox{max-height:0;overflow:hidden;transition:max-height .4s;}
    .menubox.open{max-height:560px;}
    .nav{flex-direction:column;align-items:stretch;padding:6px 0;}
    .nav>li>a{height:46px;line-height:46px;padding:0 24px;border-bottom:1px solid #f4f4f4;}
    .nav>li.on>a::after,.nav>li:hover>a::after{display:none;}
    .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:0;padding:0;background:#fafafa;border-radius:0;}
    .sub li a{height:42px;line-height:42px;}
    /* banner */
    .banner .slide{padding-bottom:50%;}
    .banner .slide .slide-text h2{font-size:22px;}
    .banner .slide .slide-text p{font-size:13px;}
    .banner .slide .slide-text .slide-btn{padding:8px 20px;font-size:12px;}
    .banner .banner-arrow{display:none;}
    /* search */
    .searchbox input{width:150px;}
    /* section */
    .sec{padding:40px 0;}
    .sec-title h2{font-size:24px;}
    /* about */
    .about .ab-inner{flex-direction:column;gap:24px;}
    .about .ab-img{flex:none;width:100%;}
    .about .ab-img img{height:220px;}
    .ab-stats{flex-wrap:wrap;}
    .ab-stats .st{flex:1 1 40%;}
    /* product */
    .prod-card{width:calc((100% - 40px)/2);margin:0 10px 16px;}
    .prod-card .pc-img{height:170px;}
    /* icase */
    .icase-body{flex-direction:column;}
    .icase-left{flex:none;}
    .icase-tabs li{width:46%;}
    /* partner */
    .partner .pt-inner{flex-direction:column;gap:18px;}
    .partner .pt-title{flex:none;display:flex;justify-content:center;}
    .partner .pt-title h3{writing-mode:horizontal-tb;}
    .partner .pt-list{grid-template-columns:repeat(2,1fr);}
    /* news */
    .news-card{width:100%;margin:0 0 16px;}
    /* contact */
    .ct-box{flex-direction:column;}
    .ct-left,.ct-right{padding:30px 22px;}
    .ct-form .row{flex-direction:column;gap:12px;}
    /* footer */
    .footer .ft-col{flex:1 1 100%;}
    .footer .ft-qr{display:none;}
    /* n-banner */
    .n-banner{height:220px;}
    .n-banner .nb-inner{padding-top:60px;}
    .n-banner .nb-inner h1{font-size:28px;}
    .ntit .ntt-inner{height:auto;flex-direction:column;align-items:flex-start;padding:12px 15px;gap:6px;}
    .ntit h1{font-size:20px;}
    .ntit .ntt-en{display:none;}
    /* detail */
    .detail-top h1{font-size:22px;}
    .showpro{flex-direction:column;gap:20px;}
    .showpro .sp-img{flex:none;}
    .grid-list .gl-card,.culture-grid .cul-card,.team-grid .tm-card,.relate .relate-grid .gl-card{width:calc((100% - 40px)/2);margin:0 10px 16px;}
    .news-ul li a{flex-wrap:wrap;}
    .news-ul li .nu-img{width:100%;height:180px;margin:0 0 14px;}
    .news-ul li .nu-date{display:none;}
    .toolbar{display:none;}
}