@charset "utf-8";
/* ==========================================================================
   青岛卡曼元一机械有限公司 - 官网样式
   配色：工业红 #c8102e + 深灰 #22282f
   ========================================================================== */

:root{
    --red:#c8102e;          /* 工业红 主色 */
    --red-dark:#a10c24;     /* 红 深 */
    --red-light:#e8384f;    /* 红 浅 */
    --dark:#22282f;         /* 深灰 主 */
    --dark-2:#2c333c;       /* 深灰 次 */
    --gray:#5c6672;         /* 中性灰 */
    --gray-light:#8b95a1;   /* 浅灰字 */
    --line:#e3e6ea;         /* 边线 */
    --bg:#f5f6f8;           /* 页面底色 */
    --steel:#6b7785;        /* 钢铁灰 */
    --radius:4px;
}
*{margin:0;padding:0;box-sizing:border-box;}
body{
    font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
    font-size:14px;line-height:1.75;color:#333;
    background:#fff;-webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:.25s;}
a:hover{color:var(--red);}
img{max-width:100%;border:0;vertical-align:middle;}
ul,ol{list-style:none;}
h1,h2,h3,h4,h5{font-weight:700;line-height:1.35;color:var(--dark);}
input,textarea,button,select{font-family:inherit;font-size:14px;outline:none;}
table{border-collapse:collapse;width:100%;}
.container{max-width:1240px;margin:0 auto;padding:0 20px;}
.clearfix::after{content:"";display:block;clear:both;}

/* ---------- 按钮 ---------- */
.btn{
    display:inline-block;padding:11px 26px;border-radius:var(--radius);
    font-size:14px;font-weight:600;text-align:center;cursor:pointer;border:1px solid transparent;
    transition:.25s;line-height:1.4;
}
.btn-red{background:var(--red);color:#fff;border-color:var(--red);}
.btn-red:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff;}
.btn-dark{background:var(--dark);color:#fff;border-color:var(--dark);}
.btn-dark:hover{background:#12161b;border-color:#12161b;color:#fff;}
.btn-line{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-line:hover{background:#fff;color:var(--red);border-color:#fff;}
.btn-line-dark{background:transparent;color:var(--dark);border-color:var(--line);}
.btn-line-dark:hover{background:var(--red);color:#fff;border-color:var(--red);}
.btn-lg{padding:14px 34px;font-size:15px;}

/* ---------- 顶部条 ---------- */
.topbar{background:var(--dark);color:#c3cad3;font-size:13px;line-height:40px;}
.topbar .container{display:flex;justify-content:space-between;align-items:center;}
.topbar .tb-welcome{opacity:.85;}
.topbar .tb-phone strong{color:#fff;font-size:15px;margin-left:6px;letter-spacing:.5px;}
.topbar .tb-phone strong::before{content:"☎";color:var(--red-light);margin-right:6px;}

/* ---------- 头部 ---------- */
.header{background:#fff;border-bottom:1px solid var(--line);}
.header .container{display:flex;align-items:center;justify-content:space-between;height:92px;gap:20px;}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.logo img{height:52px;width:auto;}
.logo-text{display:flex;flex-direction:column;justify-content:center;}
.logo-text .cn{font-size:21px;font-weight:700;color:var(--dark);letter-spacing:.5px;line-height:1.25;}
.logo-text .cn em{font-style:normal;color:var(--red);}
.logo-text .en{font-size:10px;color:var(--gray-light);letter-spacing:1.2px;text-transform:uppercase;margin-top:3px;}

.nav{display:flex;align-items:center;height:100%;}
.nav>li{position:relative;height:100%;display:flex;align-items:center;padding:0 17px;}
.nav>li>a{font-size:16px;font-weight:600;color:var(--dark);display:block;line-height:92px;}
.nav>li::after{
    content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
    width:0;height:3px;background:var(--red);transition:.28s;
}
.nav>li:hover::after,.nav>li.active::after{width:100%;}
.nav>li.active>a,.nav>li:hover>a{color:var(--red);}
.subnav{
    position:absolute;top:100%;left:50%;transform:translateX(-50%);
    min-width:180px;background:#fff;box-shadow:0 8px 26px rgba(0,0,0,.13);
    padding:8px 0;display:none;z-index:60;border-top:3px solid var(--red);
}
.nav>li:hover .subnav{display:block;}
.subnav li a{display:block;padding:9px 20px;font-size:14px;color:var(--gray);white-space:nowrap;}
.subnav li a:hover{background:#fafafa;color:var(--red);padding-left:26px;}

.hd-search{position:relative;display:flex;align-items:center;flex-shrink:0;}
.hd-search input{
    width:170px;height:40px;border:1px solid var(--line);border-radius:20px;
    padding:0 42px 0 16px;background:#f7f8fa;transition:.25s;
}
.hd-search input:focus{width:200px;border-color:var(--red);background:#fff;}
.hd-search button{
    position:absolute;right:2px;width:38px;height:38px;border:0;border-radius:50%;
    background:var(--red);color:#fff;cursor:pointer;font-size:15px;
}
.hd-search button:hover{background:var(--red-dark);}
.nav-toggle{display:none;width:44px;height:40px;background:var(--dark);border:0;border-radius:var(--radius);cursor:pointer;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;}

/* ---------- 首页轮播 ---------- */
.km-slider{position:relative;height:560px;overflow:hidden;background:var(--dark);}
.km-slide{position:absolute;inset:0;opacity:0;transition:opacity .9s ease;pointer-events:none;}
.km-slide.on{opacity:1;pointer-events:auto;}
.km-slide img{width:100%;height:100%;object-fit:cover;display:block;}
.km-slide-text{
    position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);
    color:#fff;pointer-events:none;
}
.km-slide-text .tagline{
    display:inline-block;font-size:13px;letter-spacing:3px;text-transform:uppercase;
    color:#fff;background:var(--red);padding:5px 14px;margin-bottom:18px;border-radius:2px;
}
.km-slide-text h2{font-size:44px;color:#fff;letter-spacing:1px;margin-bottom:14px;text-shadow:0 2px 14px rgba(0,0,0,.35);}
.km-slide-text p{font-size:17px;color:rgba(255,255,255,.92);max-width:620px;line-height:1.7;text-shadow:0 1px 10px rgba(0,0,0,.4);}
.km-slide-text .btns{margin-top:0;display:flex;gap:14px;}
.km-arrow{
    position:absolute;top:50%;transform:translateY(-50%);width:50px;height:50px;line-height:48px;
    text-align:center;color:#fff;font-size:26px;background:rgba(34,40,47,.42);cursor:pointer;
    z-index:5;user-select:none;transition:.25s;border-radius:2px;
}
.km-arrow:hover{background:var(--red);}
.km-arrow.prev{left:24px;}
.km-arrow.next{right:24px;}
.km-dots{position:absolute;left:0;right:0;bottom:26px;text-align:center;z-index:5;}
.km-dots i{
    display:inline-block;width:30px;height:4px;background:rgba(255,255,255,.45);
    margin:0 5px;cursor:pointer;transition:.25s;border-radius:2px;
}
.km-dots i.on{background:var(--red);width:44px;}

/* ---------- 快捷入口条 ---------- */
.quickbar{background:var(--dark-2);}
.quickbar .container{display:flex;}
.quickbar a{
    flex:1;color:#e6eaee;text-align:center;padding:22px 10px;font-size:15px;font-weight:600;
    border-right:1px solid rgba(255,255,255,.08);position:relative;transition:.25s;
}
.quickbar a:last-child{border-right:0;}
.quickbar a span{display:block;font-size:12px;font-weight:400;color:var(--gray-light);margin-top:4px;letter-spacing:.5px;}
.quickbar a:hover{background:var(--red);color:#fff;}
.quickbar a:hover span{color:rgba(255,255,255,.85);}

/* ---------- 通用区块 ---------- */
.sec{padding:66px 0;background:var(--bg);}
.sec.white{background:#fff;}
.sec-tit{text-align:center;margin-bottom:44px;}
.sec-tit h2{font-size:32px;letter-spacing:1px;}
.sec-tit h2 span{color:var(--red);}
.sec-tit .line{width:54px;height:3px;background:var(--red);margin:14px auto 14px;}
.sec-tit p{color:var(--gray);font-size:14px;}
.sec-tit.left{text-align:left;}
.sec-tit.left .line{margin-left:0;}
.sec-more{text-align:center;margin-top:40px;}

/* ---------- 产品分类（带图） ---------- */
.cat-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.cat-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:block;transition:.28s;
}
.cat-card .pic{height:210px;overflow:hidden;background:#f7f8fa;display:flex;align-items:center;justify-content:center;padding:18px;}
.cat-card .pic img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;transition:.5s;}
.cat-card:hover .pic img{transform:scale(1.06);}
.cat-card .info{padding:20px 22px 22px;border-top:3px solid transparent;transition:.25s;}
.cat-card:hover{border-color:var(--red);box-shadow:0 12px 30px rgba(200,16,46,.1);}
.cat-card:hover .info{border-top-color:var(--red);}
.cat-card .info h3{font-size:19px;margin-bottom:6px;}
.cat-card .info h3 em{font-style:normal;font-size:12px;color:var(--gray-light);font-weight:400;margin-left:8px;letter-spacing:.5px;}
.cat-card .info p{color:var(--gray);font-size:13px;line-height:1.7;}
.cat-card .more{display:inline-block;margin-top:12px;font-size:13px;color:var(--red);font-weight:600;}

/* ---------- 产品网格 ---------- */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;}
.prod-card{
    background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    overflow:hidden;display:block;transition:.28s;
}
.prod-card .pic{position:relative;height:232px;background:#fff;display:flex;align-items:center;justify-content:center;padding:16px;overflow:hidden;}
.prod-card .pic img{max-width:100%;max-height:100%;object-fit:contain;transition:.4s;}
.prod-card:hover .pic img{transform:scale(1.05);}
.prod-card .tag{
    position:absolute;left:0;top:14px;background:var(--red);color:#fff;
    font-size:12px;padding:3px 10px;border-radius:0 2px 2px 0;
}
.prod-card .info{padding:16px 18px 18px;border-top:1px solid var(--line);}
.prod-card .info h3{font-size:15px;line-height:1.5;height:45px;overflow:hidden;}
.prod-card .info p{font-size:13px;color:var(--gray-light);margin-top:6px;height:22px;overflow:hidden;}
.prod-card:hover{border-color:var(--red);box-shadow:0 10px 26px rgba(0,0,0,.09);}
.prod-card:hover .info h3{color:var(--red);}

/* ---------- 优势 ---------- */
.adv-sec{background:var(--dark);position:relative;overflow:hidden;}
.adv-sec::before{
    content:"";position:absolute;right:-140px;top:-140px;width:460px;height:460px;
    border:70px solid rgba(200,16,46,.13);border-radius:50%;
}
.adv-sec .sec-tit h2{color:#fff;}
.adv-sec .sec-tit p{color:var(--gray-light);}
.adv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;z-index:2;}
.adv-item{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);padding:32px 24px;transition:.3s;border-radius:var(--radius);}
.adv-item:hover{background:var(--red);border-color:var(--red);transform:translateY(-6px);}
.adv-item .ico{width:52px;height:52px;border-radius:50%;background:var(--red);display:flex;align-items:center;justify-content:center;margin-bottom:18px;transition:.3s;}
.adv-item:hover .ico{background:#fff;}
.adv-item .ico svg{width:26px;height:26px;stroke:#fff;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.adv-item:hover .ico svg{stroke:var(--red);}
.adv-item h3{font-size:18px;color:#fff;margin-bottom:10px;}
.adv-item p{font-size:13px;color:#b9c1ca;line-height:1.8;}
.adv-item:hover p{color:rgba(255,255,255,.9);}

/* ---------- 应用领域 ---------- */
.app-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;}
.app-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);text-align:center;padding:26px 10px;transition:.25s;}
.app-item .ico{font-size:26px;line-height:1;margin-bottom:10px;color:var(--red);}
.app-item b{display:block;font-size:15px;color:var(--dark);}
.app-item span{display:block;font-size:12px;color:var(--gray-light);margin-top:4px;}
.app-item:hover{background:var(--red);border-color:var(--red);transform:translateY(-4px);}
.app-item:hover .ico,.app-item:hover b{color:#fff;}
.app-item:hover span{color:rgba(255,255,255,.8);}

/* ---------- 关于我们 ---------- */
.about-wrap{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.about-txt h3{font-size:27px;margin-bottom:8px;}
.about-txt .sub{font-size:11px;letter-spacing:2px;color:var(--gray-light);text-transform:uppercase;margin-bottom:20px;}
.about-txt p{color:var(--gray);line-height:1.95;margin-bottom:14px;font-size:14px;}
.about-txt .ops{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;}
.about-visual{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.stat-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 20px;text-align:center;transition:.25s;}
.stat-box:hover{border-color:var(--red);box-shadow:0 10px 24px rgba(0,0,0,.07);}
.stat-box b{display:block;font-size:30px;color:var(--red);line-height:1;letter-spacing:-.5px;}
.stat-box b sup{font-size:14px;color:var(--gray);margin-left:2px;}
.stat-box span{display:block;font-size:13px;color:var(--gray);margin-top:10px;}
.about-visual .slogan{
    grid-column:1 / -1;background:var(--dark);color:#fff;border-radius:var(--radius);
    padding:18px 22px;font-size:14px;letter-spacing:1px;text-align:center;
}
.about-visual .slogan em{font-style:normal;color:var(--red-light);}

/* ---------- 新闻 ---------- */
.news-home{display:grid;grid-template-columns:1fr 1fr;gap:44px;}
.news-home .col-t{
    font-size:18px;padding-bottom:14px;border-bottom:2px solid var(--line);
    margin-bottom:8px;display:flex;justify-content:space-between;align-items:center;position:relative;
}
.news-home .col-t::after{content:"";position:absolute;left:0;bottom:-2px;width:58px;height:2px;background:var(--red);}
.news-home .col-t a{font-size:13px;color:var(--gray-light);font-weight:400;}
.news-home .col-t a:hover{color:var(--red);}
.news-item{display:flex;gap:16px;padding:16px 0;border-bottom:1px dashed var(--line);}
.news-item:last-child{border-bottom:0;}
.news-item .date{
    flex-shrink:0;width:62px;text-align:center;background:#f4f5f7;border-radius:var(--radius);
    padding:8px 0;transition:.25s;
}
.news-item:hover .date{background:var(--red);}
.news-item .date b{display:block;font-size:20px;color:var(--dark);line-height:1.1;}
.news-item:hover .date b,.news-item:hover .date span{color:#fff;}
.news-item .date span{display:block;font-size:11px;color:var(--gray-light);}
.news-item h4{font-size:15px;line-height:1.5;margin-bottom:5px;}
.news-item:hover h4{color:var(--red);}
.news-item p{font-size:13px;color:var(--gray-light);line-height:1.6;}

/* ---------- 咨询横幅 ---------- */
.cta-band{background:linear-gradient(120deg,var(--red) 0%,var(--red-dark) 100%);color:#fff;padding:44px 0;}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;}
.cta-band h3{font-size:25px;color:#fff;margin-bottom:8px;}
.cta-band h3 b{color:#ffd9df;margin-left:10px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:14px;}
.cta-band .ops{display:flex;align-items:center;gap:22px;flex-wrap:wrap;}
.cta-band .phone{font-size:29px;font-weight:700;letter-spacing:1px;color:#fff;}
.cta-band .phone::before{content:"☎";font-size:22px;margin-right:8px;opacity:.8;}
.cta-band .btn-line:hover{background:#fff;color:var(--red);}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#a9b2bc;padding-top:56px;font-size:13px;}
.f-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:44px;}
.footer h4{color:#fff;font-size:16px;margin-bottom:20px;position:relative;padding-bottom:12px;}
.footer h4::after{content:"";position:absolute;left:0;bottom:0;width:34px;height:2px;background:var(--red);}
.footer p{line-height:1.9;color:#a9b2bc;margin-bottom:10px;}
.footer ul li{margin-bottom:11px;}
.footer ul li a{color:#a9b2bc;}
.footer ul li a:hover{color:var(--red-light);padding-left:4px;}
.f-contact li{display:flex;gap:8px;margin-bottom:12px;line-height:1.7;}
.f-contact li b{color:#dfe4e9;font-weight:400;flex-shrink:0;}
.f-contact li .tel{color:var(--red-light);font-size:17px;font-weight:700;}
.f-about p{font-size:13px;}
.f-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0;}
.f-bottom .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;color:#8b95a1;}
.f-bottom a.icp{color:#8b95a1;}
.f-bottom a.icp:hover{color:var(--red-light);}

/* ---------- 返回顶部 ---------- */
.backtop{
    position:fixed;right:26px;bottom:34px;width:46px;height:46px;line-height:44px;text-align:center;
    background:var(--dark);color:#fff;border-radius:var(--radius);cursor:pointer;font-size:20px;
    opacity:0;visibility:hidden;transition:.3s;z-index:80;
}
.backtop.on{opacity:1;visibility:visible;}
.backtop:hover{background:var(--red);}

/* ---------- 内页横幅 ---------- */
.page-banner{
    background:var(--dark);color:#fff;padding:60px 0;position:relative;overflow:hidden;
}
.page-banner::before{
    content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;
    border:56px solid rgba(200,16,46,.16);border-radius:50%;
}
.page-banner::after{
    content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--red);
}
.page-banner h1{font-size:32px;color:#fff;position:relative;z-index:2;}
.page-banner p{color:rgba(255,255,255,.75);margin-top:10px;font-size:14px;position:relative;z-index:2;}
.crumb{background:#fff;border-bottom:1px solid var(--line);font-size:13px;color:var(--gray-light);padding:13px 0;}
.crumb a{color:var(--gray-light);}
.crumb a:hover{color:var(--red);}

/* ---------- 内页布局 ---------- */
.page-wrap{display:grid;grid-template-columns:250px 1fr;gap:32px;padding:40px 0 10px;align-items:start;}
.sidebar{display:flex;flex-direction:column;gap:22px;}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.side-tit{background:var(--dark);color:#fff;font-size:16px;font-weight:600;padding:15px 20px;position:relative;}
.side-tit::after{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--red);}
.side-nav li a{
    display:flex;justify-content:space-between;align-items:center;
    padding:13px 20px;font-size:14px;color:#3c444e;border-bottom:1px solid #f0f2f5;
}
.side-nav li:last-child a{border-bottom:0;}
.side-nav li a::after{content:"›";color:#c3cad3;font-size:17px;}
.side-nav li a:hover,.side-nav li.active a{background:#faf7f8;color:var(--red);padding-left:26px;}
.side-nav li.active a{font-weight:600;background:#fdf3f5;}
.side-nav li.active a::after,.side-nav li a:hover::after{color:var(--red);}
.side-contact{padding:20px;text-align:center;background:var(--dark);}
.side-contact .tel{font-size:21px;font-weight:700;color:#fff;letter-spacing:.5px;}
.side-contact .tel::before{content:"☎";color:var(--red-light);margin-right:7px;font-size:17px;}
.side-contact span{display:block;font-size:12px;color:var(--gray-light);margin-top:6px;}
.side-prod{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:#f0f2f5;}
.side-prod a{background:#fff;padding:10px;text-align:center;transition:.25s;}
.side-prod a img{height:74px;width:auto;object-fit:contain;margin:0 auto;display:block;}
.side-prod a:hover{background:#fdf3f5;}

.main-box{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 32px 34px;min-width:0;}
.main-box h2.art-t{font-size:21px;text-align:center;padding-bottom:16px;border-bottom:1px solid var(--line);margin-bottom:22px;}

/* 富文本 */
.rich{font-size:15px;line-height:2;color:#3c444e;word-break:break-word;}
.rich p{margin-bottom:16px;}
.rich img{max-width:100%;height:auto;margin:10px 0;border-radius:var(--radius);}
.rich h3,.rich h4{margin:24px 0 14px;font-size:17px;}
.rich ul,.rich ol{margin:0 0 16px 22px;}
.rich ul li{list-style:disc;margin-bottom:8px;}
.rich ol li{list-style:decimal;margin-bottom:8px;}
.rich table{margin:16px 0;border:1px solid var(--line);font-size:14px;}
.rich table th{background:#f5f6f8;font-weight:600;color:var(--dark);}
.rich table th,.rich table td{border:1px solid var(--line);padding:10px 12px;text-align:center;}
.rich table tr:hover td{background:#fafbfc;}

/* ---------- 产品列表 ---------- */
.filter-bar{
    display:flex;gap:10px;flex-wrap:wrap;padding-bottom:20px;margin-bottom:26px;
    border-bottom:1px solid var(--line);
}
.filter-bar a{
    padding:7px 18px;border:1px solid var(--line);border-radius:20px;font-size:13px;color:var(--gray);
}
.filter-bar a:hover,.filter-bar a.on{background:var(--red);border-color:var(--red);color:#fff;}

/* ---------- 分页 ---------- */
.pages{margin-top:38px;text-align:center;font-size:0;line-height:2;}
.pages>span{display:inline-block;}
.pages a,.pages .page-num{
    display:inline-block;min-width:38px;height:38px;line-height:36px;padding:0 12px;margin:0 3px;
    border:1px solid var(--line);border-radius:var(--radius);font-size:14px;font-style:normal;color:#3c444e;
    vertical-align:middle;transition:.22s;background:#fff;
}
.pages a:hover{border-color:var(--red);color:var(--red);}
.pages a.page-num-current{background:var(--red);border-color:var(--red);color:#fff;}
.pages .page-status{color:var(--gray-light);font-size:13px;margin-right:14px;}
.pages .page-none{color:var(--gray-light);font-size:13px;}

/* ---------- 产品详情 ---------- */
.prod-detail{display:grid;grid-template-columns:1fr 1fr;gap:38px;margin-bottom:36px;}
.prod-view{border:1px solid var(--line);border-radius:var(--radius);padding:18px;background:#fff;}
.prod-view .mainimg{width:100%;height:400px;object-fit:contain;display:block;}
.prod-view .prod-thumbs{display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;}
.prod-view .prod-thumbs img{
    width:66px;height:66px;object-fit:contain;border:1px solid var(--line);
    border-radius:var(--radius);padding:4px;cursor:pointer;transition:.25s;background:#fff;
}
.prod-view .prod-thumbs img:hover,.prod-view .prod-thumbs img.on{border-color:var(--red);}
.prod-info h1{font-size:25px;margin-bottom:14px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.prod-info .desc{color:var(--gray);line-height:1.9;margin-bottom:20px;font-size:14px;min-height:52px;}
.meta-row{display:flex;gap:12px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.meta-row .k{color:var(--gray-light);flex-shrink:0;width:78px;}
.meta-row .v{color:#3c444e;}
.prod-info .ops{margin-top:24px;display:flex;gap:14px;flex-wrap:wrap;}
.page-nav{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);font-size:14px;color:var(--gray);}
.page-nav p{margin-bottom:8px;}
.page-nav a{color:#3c444e;}
.page-nav a:hover{color:var(--red);}

/* ---------- 新闻列表 ---------- */
.art-list li{padding:20px 0;border-bottom:1px dashed var(--line);}
.art-list li:last-child{border-bottom:0;}
.art-list li h3{font-size:16px;margin-bottom:8px;}
.art-list li h3 a{display:inline-flex;align-items:center;gap:8px;}
.art-list li h3 a::before{content:"";width:5px;height:5px;background:var(--red);flex-shrink:0;border-radius:50%;}
.art-list li p{font-size:13px;color:var(--gray-light);line-height:1.75;}
.art-list li .meta{font-size:12px;color:#a8b1bb;margin-top:9px;}

/* 文章页 */
.art-head{text-align:center;padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:24px;}
.art-head h1{font-size:23px;margin-bottom:12px;}
.art-head .meta{font-size:13px;color:var(--gray-light);}
.art-head .meta span{margin:0 10px;}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-item{display:flex;flex-direction:column;gap:8px;}
.form-item.full{grid-column:1 / -1;}
.form-item label{font-size:14px;color:#3c444e;font-weight:600;}
.form-item label i{color:var(--red);font-style:normal;margin-left:3px;}
.form-item input,.form-item textarea{
    width:100%;border:1px solid var(--line);border-radius:var(--radius);
    padding:12px 14px;background:#fafbfc;transition:.25s;color:#333;
}
.form-item input:focus,.form-item textarea:focus{border-color:var(--red);background:#fff;box-shadow:0 0 0 3px rgba(200,16,46,.07);}
.form-item textarea{min-height:132px;resize:vertical;}
.form-item input.code{width:150px;}
.code-row{display:flex;gap:12px;align-items:center;}
.code-row img{height:44px;border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;}
.form-sub{margin-top:24px;display:flex;gap:14px;align-items:center;flex-wrap:wrap;}
.form-tip{font-size:13px;color:var(--gray-light);}

/* ---------- 联系我们 ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line);}
.contact-list li .ico{
    width:44px;height:44px;flex-shrink:0;border-radius:50%;background:#fdf3f5;
    display:flex;align-items:center;justify-content:center;color:var(--red);font-size:19px;
}
.contact-list li .txt b{display:block;font-size:13px;color:var(--gray-light);font-weight:400;margin-bottom:3px;}
.contact-list li .txt span{font-size:16px;color:var(--dark);font-weight:600;}
.map-box{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:#f5f6f8;min-height:330px;display:flex;align-items:center;justify-content:center;text-align:center;padding:30px;}
.map-box .ph{color:var(--gray-light);}
.map-box .ph b{display:block;font-size:17px;color:var(--dark);margin-bottom:8px;}

/* ---------- 搜索结果 ---------- */
.search-form-lg{display:flex;gap:12px;max-width:620px;margin:0 auto 34px;}
.search-form-lg input{flex:1;border:2px solid var(--line);border-radius:var(--radius);padding:13px 16px;}
.search-form-lg input:focus{border-color:var(--red);}
.empty{text-align:center;padding:56px 20px;color:var(--gray-light);}
.empty b{display:block;font-size:18px;color:var(--dark);margin-bottom:10px;}

/* ---------- 手机端底部导航 ---------- */
.mfoot{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
    .nav>li{padding:0 12px;}
    .nav>li>a{font-size:15px;}
    .prod-grid{grid-template-columns:repeat(3,1fr);}
    .app-grid{grid-template-columns:repeat(3,1fr);}
}
@media (max-width:992px){
    .header .container{height:76px;}
    .logo img{height:44px;}
    .logo-text .cn{font-size:17px;}
    .logo-text .en{display:none;}
    .nav{
        position:fixed;left:0;top:0;bottom:0;width:270px;background:var(--dark);
        flex-direction:column;align-items:stretch;padding:70px 0 20px;z-index:99;
        transform:translateX(-100%);transition:.3s;overflow-y:auto;height:100%;
    }
    .nav.on{transform:none;}
    .nav>li{padding:0;height:auto;display:block;}
    .nav>li>a{line-height:52px;padding:0 22px;color:#fff;font-size:15px;border-bottom:1px solid rgba(255,255,255,.07);}
    .nav>li.active>a,.nav>li:hover>a{color:var(--red-light);}
    .nav>li::after{display:none;}
    .subnav{position:static;transform:none;box-shadow:none;display:block;background:rgba(0,0,0,.22);border-top:0;padding:0;min-width:0;}
    .subnav li a{color:#b9c1ca;padding:11px 34px;font-size:13px;}
    .nav-toggle{display:flex;}
    .hd-search{display:none;}
    .km-slider{height:420px;}
    .km-slide-text h2{font-size:28px;}
    .km-slide-text p{font-size:14px;}
    .sec{padding:46px 0;}
    .sec-tit h2{font-size:24px;}
    .cat-cards{grid-template-columns:1fr 1fr;gap:16px;}
    .prod-grid{grid-template-columns:1fr 1fr;gap:16px;}
    .adv-grid{grid-template-columns:1fr 1fr;gap:16px;}
    .about-wrap{grid-template-columns:1fr;gap:30px;}
    .news-home{grid-template-columns:1fr;gap:30px;}
    .page-wrap{grid-template-columns:1fr;}
    .prod-detail{grid-template-columns:1fr;}
    .contact-grid{grid-template-columns:1fr;}
    .f-grid{grid-template-columns:1fr 1fr;gap:26px;}
    .quickbar .container{flex-wrap:wrap;}
    .quickbar a{flex:1 1 33.33%;}
    .cta-band h3{font-size:20px;}
    .cta-band .phone{font-size:23px;}
}
@media (max-width:640px){
    .topbar{font-size:12px;line-height:34px;}
    .topbar .tb-welcome{display:none;}
    .topbar .container{justify-content:center;}
    .km-slider{height:330px;}
    .km-slide-text h2{font-size:21px;}
    .km-slide-text .tagline{font-size:11px;letter-spacing:1px;margin-bottom:10px;}
    .km-slide-text .btns{margin-top:16px;}
    .km-arrow{display:none;}
    .cat-cards{grid-template-columns:1fr;}
    .prod-grid{grid-template-columns:1fr 1fr;gap:12px;}
    .prod-card .pic{height:168px;padding:10px;}
    .prod-card .info{padding:12px;}
    .prod-card .info h3{font-size:13.5px;height:42px;}
    .adv-grid{grid-template-columns:1fr;}
    .app-grid{grid-template-columns:1fr 1fr;}
    .f-grid{grid-template-columns:1fr;}
    .main-box{padding:20px 16px 26px;}
    .form-grid{grid-template-columns:1fr;}
    .prod-view .mainimg{height:290px;}
    .quickbar a{flex:1 1 50%;font-size:14px;padding:16px 8px;}
    .about-visual{grid-template-columns:1fr 1fr;}
    .page-banner{padding:38px 0;}
    .page-banner h1{font-size:23px;}
}