/* ============================================================
   中天（山东）电力科技有限责任公司官网 — 主题样式
   版式参照 njwanhe.com.cn：白页头 / 蓝 #00468c / 强调绿 #339933
   页脚蓝 #0066cb / 1200px 版心 / 产品卡片阴影悬停
   ============================================================ */
:root{
  --blue:#00468c;
  --blue-d:#003468;
  --foot:#0066cb;
  --green:#339933;
  --orange:#f9a702;
  --gray:#f5f6f8;
  --line:#e8eaee;
  --txt:#333;
  --muted:#888;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font:14px/1.8 Arial,"Helvetica Neue","Microsoft YaHei",sans-serif;color:var(--txt);background:#fff}
img{max-width:100%;border:0;vertical-align:middle}
a{color:var(--txt);text-decoration:none;transition:color .2s}
a:hover{color:var(--green)}
ul,ol{list-style:none}
button{font:inherit;border:0;background:none;cursor:pointer}
.container{width:1200px;max-width:94%;margin:0 auto}
.clear::after{content:"";display:block;clear:both}

/* ---------- 顶部通栏 ---------- */
.topbar{background:var(--blue);color:#cfe0f2;font-size:13px;line-height:36px}
.topbar .container{display:flex;justify-content:space-between;align-items:center}
.topbar a{color:#cfe0f2;margin-left:18px}
.topbar a:hover{color:#fff}
.tb-hot strong{color:var(--orange);font-size:16px;margin-left:6px;font-family:Impact,"Arial Black",sans-serif;letter-spacing:1px}

/* ---------- 页头 ---------- */
.header{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);position:relative;z-index:50}
.header-in{display:flex;align-items:center;height:96px;gap:20px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{width:54px;height:54px}
.logo-text .cn{display:block;font-size:20px;font-weight:bold;color:var(--blue);line-height:1.3}
.logo-text .en{display:block;font-size:12px;color:var(--muted);line-height:1.4}
.nav{display:flex;margin-left:auto}
.nav>li{position:relative}
.nav>li>a{display:block;padding:0 20px;line-height:96px;font-size:16px;color:var(--txt);position:relative}
.nav>li>a:hover,.nav>li.active>a{color:var(--blue);font-weight:bold}
.nav>li>a::after{content:"";position:absolute;left:50%;bottom:22px;transform:translateX(-50%) scaleX(0);width:26px;height:3px;background:var(--green);transition:transform .25s}
.nav>li>a:hover::after,.nav>li.active>a::after{transform:translateX(-50%) scaleX(1)}
.nav .sub{position:absolute;left:50%;transform:translateX(-50%);top:100%;background:var(--blue);min-width:150px;text-align:center;opacity:0;visibility:hidden;transition:.25s;box-shadow:0 6px 16px rgba(0,0,0,.18)}
.nav>li:hover .sub{opacity:1;visibility:visible}
.nav .sub a{display:block;color:#fff;line-height:44px;padding:0 14px;border-top:1px solid rgba(255,255,255,.12);font-size:14px}
.nav .sub a:hover{background:var(--blue-d);color:#fff}
.nav-toggle{display:none}

/* ---------- Banner 轮播 ---------- */
.banner{position:relative;height:520px;overflow:hidden;background:var(--blue-d)}
.banner .slide{position:absolute;inset:0;background-size:cover;background-position:center;opacity:0;transition:opacity .9s;display:flex;align-items:center}
.banner .slide.active{opacity:1}
.slide-inner{position:relative;z-index:2;color:#fff}
.banner .slide::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,42,84,.72) 0%,rgba(0,42,84,.25) 55%,rgba(0,42,84,0) 100%)}
.slide-en{font-size:14px;letter-spacing:3px;text-transform:uppercase;opacity:.85}
.slide-title{font-size:42px;line-height:1.3;margin:10px 0 6px;text-shadow:0 2px 8px rgba(0,0,0,.35)}
.slide-sub{font-size:17px;opacity:.95;margin-bottom:26px}
.banner .btn{margin-right:14px}
.dots{position:absolute;left:0;right:0;bottom:18px;text-align:center;z-index:3}
.dots i{display:inline-block;width:26px;height:4px;background:rgba(255,255,255,.45);margin:0 5px;cursor:pointer;transition:.25s}
.dots i.active{background:var(--orange)}
.arrows span{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:46px;height:46px;line-height:44px;text-align:center;color:#fff;font-size:30px;border:1px solid rgba(255,255,255,.5);border-radius:50%;cursor:pointer;transition:.25s;user-select:none}
.arrows .prev{left:26px}
.arrows .next{right:26px}
.arrows span:hover{background:var(--orange);border-color:var(--orange)}

/* ---------- 按钮 ---------- */
.btn{display:inline-block;padding:12px 34px;font-size:15px;border-radius:3px;transition:.25s;cursor:pointer}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:#e29400;color:#fff}
.btn-ghost{border:1px solid rgba(255,255,255,.75);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--blue)}
.cta .btn-ghost,.page-body .btn-ghost,.detail-btns .btn-ghost{border-color:var(--blue);color:var(--blue)}
.cta .btn-ghost:hover,.page-body .btn-ghost:hover,.detail-btns .btn-ghost:hover{background:var(--blue);color:#fff}

/* ---------- 区块标题 ---------- */
.section{padding:64px 0}
.sec-head{text-align:center;margin-bottom:36px}
.sec-head h2{font-size:34px;color:var(--txt)}
.sec-head h2 span{color:var(--blue)}
.sec-head .bar{width:60px;height:3px;background:var(--green);margin:12px auto}
.sec-head .en{color:#aaa;font-size:14px;text-transform:uppercase;letter-spacing:1px}
.sec-head .desc{color:var(--muted);max-width:820px;margin:10px auto 0}

/* ---------- 关于我们 ---------- */
.about-sec{background:var(--gray)}
.about-keys{background:#fff;border:1px solid var(--line);padding:22px 30px;margin-bottom:34px}
.about-keys dl{display:flex;flex-wrap:wrap}
.about-keys dt,.about-keys dd{width:50%;position:relative;padding:6px 0 6px 30px;font-size:15px}
.about-keys dt::before,.about-keys dd::before{content:"";position:absolute;left:0;top:14px;width:16px;height:9px;background:var(--green);clip-path:polygon(0 50%,40% 0,60% 40%,100% 0,100% 30%,60% 70%,40% 30%)}
.about-layout{display:flex;gap:40px;align-items:stretch}
.about-pic{flex:0 0 44%}
.about-pic img{width:100%;height:100%;object-fit:cover;border-radius:4px;box-shadow:0 8px 20px rgba(0,0,0,.1)}
.about-txt{flex:1}
.about-txt p{margin-bottom:12px;text-indent:2em}
.about-txt .keys{margin:14px 0 20px}
.keys span{display:inline-block;background:#eef4fb;color:var(--blue);font-size:13px;padding:5px 14px;border-radius:20px;margin:0 10px 10px 0}

/* ---------- 推荐产品 ---------- */
.hot-pro{background:linear-gradient(135deg,#003a75 0%,#00468c 55%,#00559f 100%);padding:70px 0;color:#fff}
.hot-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:50px}
.about-bt p{font-size:36px;line-height:1.2;font-weight:bold}
.about-bt em{display:block;width:134px;height:4px;background:var(--orange);margin:12px 0}
.about-bt i{font-size:16px;text-transform:uppercase;font-style:normal;opacity:.85}
.hot-wz{text-align:right;max-width:380px}
.hot-wz p{font-size:18px;font-weight:bold}
.hot-wz i{font-style:normal;font-size:13px;opacity:.7;text-transform:uppercase}
.hot-body{display:flex;gap:50px;align-items:center}
.hot-pic{flex:0 0 40%;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:6px;padding:26px}
.hot-pic img{width:100%;filter:drop-shadow(0 10px 18px rgba(0,0,0,.3))}
.hot-nr{flex:1}
.hot-bt p{font-size:30px;font-weight:bold}
.hot-bt em{display:block;width:134px;height:3px;background:var(--orange);margin:10px 0}
.hot-bt i{font-style:normal;text-transform:uppercase;opacity:.8}
.hot-txt{margin-top:18px;font-size:15px;line-height:2}
.hot-txt p{opacity:.95}
.hot-more{display:inline-block;margin-top:22px;border:1px solid rgba(255,255,255,.6);border-radius:4px;padding:8px 28px;transition:.25s}
.hot-more a{color:#fff}
.hot-more:hover{background:#fff}
.hot-more:hover a{color:var(--blue)}

/* ---------- 产品展示 ---------- */
.sort_div{text-align:center;margin-bottom:34px}
.sort_div a{display:inline-block;padding:9px 30px;border:1px solid var(--line);border-radius:22px;margin:0 7px 10px;font-size:15px;color:#555;transition:.25s}
.sort_div a:hover,.sort_div a.active{background:var(--blue);border-color:var(--blue);color:#fff}
.index-products{display:flex;flex-wrap:wrap;margin:0 -10px}
.index-products .pro-card{width:calc(25% - 20px);margin:0 10px 30px;background:#fff;box-shadow:0 5px 14px rgba(0,0,0,.12);position:relative;overflow:hidden;border-radius:3px}
.index-products .pic{height:220px;overflow:hidden;background:#eef1f5;display:flex;align-items:center;justify-content:center}
.index-products .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.index-products .pro-card:hover .pic img{transform:scale(1.06)}
.pro-wz{padding:4px 14px 14px;position:relative}
.pro-wz p{line-height:42px;font-size:16px;font-weight:bold;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.pro_con{display:block;height:55px;overflow:hidden;color:#777;font-size:13px;line-height:1.8}
.pro-wz i{display:inline-block;font-style:normal;color:var(--green);font-size:13px;margin-top:4px}
.xq1{position:absolute;left:0;top:-58px;width:100%;height:58px;line-height:58px;text-align:center;color:#fff;background:rgba(0,70,140,.92);transition:top .3s}
.index-products .pro-card:hover .xq1{top:0}

/* ---------- 核心优势 ---------- */
.adv-sec{background:linear-gradient(135deg,#06213d 0%,#0b2c4d 60%,#0e3a63 100%);padding:80px 0;color:#fff;position:relative}
.adv-sec::before{content:"";position:absolute;inset:0;background:radial-gradient(ellipse at 70% 20%,rgba(51,153,51,.14),transparent 55%)}
.adv-sec .container{position:relative;z-index:2}
.adv-head{text-align:center;margin-bottom:50px}
.adv-head p{font-size:34px;font-weight:bold}
.adv-head i{display:block;width:67px;height:3px;background:var(--orange);margin:14px auto}
.adv-head span{opacity:.9;font-size:15px}
.adv-row{display:flex;gap:40px;justify-content:center}
.adv-item{flex:1;max-width:520px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.15);border-radius:6px;padding:30px 34px}
.adv-item .t{font-size:20px;font-weight:bold;margin-bottom:12px}
.adv-item .t::before{content:"◆";color:var(--orange);margin-right:10px;font-size:14px}
.adv-item span{opacity:.92;line-height:2}
.contain-adv{padding:56px 0}
.adv2{margin-bottom:36px}
.adv2 dt p{font-size:26px;font-weight:bold;color:var(--blue)}
.adv2 dt span{color:#aaa;font-size:14px;text-transform:uppercase}
.adv2 dt{border-left:4px solid var(--green);padding-left:20px;margin-bottom:14px}
.adv2 dd{color:#555;line-height:2.1;padding-left:24px}
.adv2-r dt{text-align:right;border-left:0;border-right:4px solid var(--green);padding:0 20px 0 0}
.adv2-r dd{text-align:right}

/* ---------- 新闻中心 ---------- */
.news-sec{background:var(--gray);padding:64px 0}
.news-head{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:44px}
.about-bt.dark p{color:var(--txt)}
.about-bt.dark i{color:#666}
.hot-wz.dark p{color:#555}
.hot-wz.dark i{color:#999}
.news-body{display:flex;gap:36px;align-items:center}
.new_img{flex:0 0 40%}
.new_img img{border-radius:4px;box-shadow:0 8px 20px rgba(0,0,0,.12)}
.index-news{flex:1;background:#fff;border:1px solid var(--line);border-radius:4px;padding:18px 26px}
.index-news li{border-bottom:1px dashed var(--line)}
.index-news li:last-child{border-bottom:0}
.index-news a{display:block;line-height:46px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;position:relative;padding-left:18px}
.index-news a::before{content:"";position:absolute;left:0;top:22px;width:6px;height:6px;background:var(--green);border-radius:50%}
.index-news a:hover{color:var(--green)}

/* ---------- 联系 CTA ---------- */
.cta{background:linear-gradient(120deg,#003a75,#00468c);color:#fff;padding:44px 0}
.cta .container{display:flex;justify-content:space-between;align-items:center;gap:30px}
.cta h2{font-size:26px;margin-bottom:6px}
.cta p{opacity:.85}
.cta .phone{font-size:36px;font-weight:bold;color:var(--orange);font-family:Impact,"Arial Black",sans-serif;letter-spacing:1px}

/* ---------- 页面横幅 ---------- */
.page-banner{height:280px;background-size:cover;background-position:center;position:relative;display:flex;align-items:center}
.page-banner::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,42,84,.78),rgba(0,42,84,.35))}
.page-banner .container{position:relative;z-index:2;color:#fff}
.page-banner .en{font-size:13px;letter-spacing:2px;text-transform:uppercase;opacity:.85}
.page-banner h1{font-size:34px;margin:6px 0}
.page-banner .crumbs{font-size:13px;opacity:.85}
.page-banner .crumbs a{color:#fff}

/* ---------- 内页布局 ---------- */
.page-body{padding:50px 0 70px}
.with-side{display:flex;gap:34px;align-items:flex-start}
.with-side>div:first-child{flex:0 0 250px}
.with-side>div:last-child{flex:1;min-width:0}

/* 侧栏 */
.side-menu{border:1px solid var(--line);border-radius:4px;overflow:hidden;margin-bottom:24px}
.sm-title{background:var(--blue);color:#fff;font-size:17px;font-weight:bold;padding:13px 20px}
.side-menu a{display:block;padding:11px 20px;border-top:1px solid var(--line);position:relative;transition:.2s}
.side-menu a:hover{color:var(--blue);background:#f6f9fd;padding-left:26px}
.side-menu a.active{background:#eef4fb;color:var(--blue);font-weight:bold}
.side-menu a.active::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--green)}
.side-contact{border:1px solid var(--line);border-radius:4px;padding:26px 24px;background:var(--gray);text-align:center}
.side-contact h4{font-size:16px;color:var(--txt)}
.side-contact .tel{font-size:24px;font-weight:bold;color:#d03a2b;font-family:Impact,"Arial Black",sans-serif;margin:8px 0 4px}
.side-contact p{color:var(--muted);font-size:13px}

/* 产品网格（列表页） */
.pro-grid{display:flex;flex-wrap:wrap;margin:0 -10px}
.pro-grid .pro-card{width:calc(33.33% - 20px);margin:0 10px 26px;background:#fff;box-shadow:0 5px 14px rgba(0,0,0,.1);overflow:hidden;border-radius:3px;transition:.25s}
.pro-grid .pro-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.pro-grid .pic{height:200px;overflow:hidden;background:#eef1f5;display:flex;align-items:center;justify-content:center}
.pro-grid .pic img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.pro-grid .pro-card:hover .pic img{transform:scale(1.06)}
.pro-grid .pro-wz i{color:var(--blue)}

/* 详情页 */
.detail-top{display:flex;gap:34px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:28px;margin-bottom:26px}
.detail-pic{flex:0 0 42%;background:#eef1f5;display:flex;align-items:center;justify-content:center;border-radius:4px;overflow:hidden}
.detail-pic img{max-height:320px;object-fit:contain}
.detail-info h1{font-size:24px;color:var(--blue);margin-bottom:8px}
.detail-info .desc{color:#777;margin-bottom:14px}
.spec-table{width:100%;border-collapse:collapse;margin-bottom:16px}
.spec-table th,.spec-table td{border:1px solid var(--line);padding:8px 12px;font-size:13.5px;text-align:left}
.spec-table th{background:#f4f7fb;color:var(--blue);width:100px;white-space:nowrap}
.detail-btns .btn{margin-right:12px;padding:10px 26px}
.detail-block{background:#fff;border:1px solid var(--line);border-radius:4px;padding:28px;margin-bottom:26px}
.detail-block>h2{font-size:20px;color:var(--blue);border-left:4px solid var(--green);padding-left:14px;margin-bottom:18px}
.detail-nav{background:#fff;border:1px solid var(--line);border-radius:4px;padding:14px 22px;margin-bottom:26px;font-size:14px;color:#666}
.detail-nav p{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.cta-band{background:linear-gradient(120deg,#003a75,#00468c);color:#fff;border-radius:4px;padding:26px 32px;display:flex;justify-content:space-between;align-items:center;gap:24px}
.cta-band h3{font-size:20px;margin-bottom:4px}
.cta-band p{opacity:.85}
.cta-band .phone{font-size:30px;font-weight:bold;color:var(--orange);font-family:Impact,"Arial Black",sans-serif}

/* 新闻列表 */
.news-list .n-item{display:flex;gap:20px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:20px 24px;margin-bottom:16px;transition:.25s}
.news-list .n-item:hover{box-shadow:0 8px 18px rgba(0,0,0,.08)}
.n-date{flex:0 0 76px;text-align:center;background:#f4f7fb;border-radius:4px;padding:8px 0;height:fit-content}
.n-date b{display:block;font-size:26px;color:var(--blue);line-height:1.2}
.n-date span{font-size:12px;color:var(--muted)}
.n-body{flex:1;min-width:0}
.n-body h3{font-size:17px;margin-bottom:4px}
.n-body p{color:#777;font-size:13.5px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.n-meta{color:#aaa;font-size:12.5px;margin-top:6px}

/* 文章页 */
.article{background:#fff;border:1px solid var(--line);border-radius:4px;padding:30px 34px;margin-bottom:26px}
.art-title{font-size:24px;color:var(--txt);margin-bottom:10px}
.art-meta{color:#999;font-size:13px;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:20px}
.art-meta span{margin-right:22px}

/* 案例网格 */
.case-grid{display:flex;flex-wrap:wrap;margin:0 -10px}
.case-card{width:calc(33.33% - 20px);margin:0 10px 26px;background:#fff;box-shadow:0 5px 14px rgba(0,0,0,.1);border-radius:3px;overflow:hidden;transition:.25s}
.case-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.case-card .pic{height:190px;overflow:hidden;background:#eef1f5}
.case-card .pic img{width:100%;height:100%;object-fit:cover}
.case-card .body{padding:16px 18px 20px}
.case-card .tag{display:inline-block;background:#eef4fb;color:var(--blue);font-size:12px;padding:2px 12px;border-radius:12px;margin-bottom:8px}
.case-card h3{font-size:16px;margin-bottom:4px}
.case-card p{color:#777;font-size:13px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}

/* 联系页 */
.contact-cards{display:flex;gap:20px;margin-bottom:30px}
.c-card{flex:1;background:#fff;border:1px solid var(--line);border-top:3px solid var(--blue);border-radius:4px;padding:24px 18px;text-align:center}
.c-card .icon{width:46px;height:46px;margin:0 auto 10px;background:#eef4fb;border-radius:50%;display:flex;align-items:center;justify-content:center}
.c-card .icon svg{width:22px;height:22px;fill:none;stroke:var(--blue);stroke-width:1.8}
.c-card h3{font-size:15px;color:#666;margin-bottom:6px}
.c-card .val{font-size:17px;font-weight:bold;color:var(--blue);word-break:break-all}
.contact-layout{display:flex;gap:30px;align-items:flex-start}
.contact-layout>div:first-child{flex:1.4}
.contact-layout>div:last-child{flex:1}

/* 表单 */
.form-card{background:#fff;border:1px solid var(--line);border-radius:4px;padding:28px}
.form-card h2{font-size:20px;color:var(--blue);border-left:4px solid var(--green);padding-left:14px;margin-bottom:20px}
.form-grid{display:flex;flex-wrap:wrap;margin:-8px}
.form-item{width:50%;padding:8px}
.form-item.full{width:100%}
.form-item label{display:block;font-size:14px;margin-bottom:6px}
.form-item label i{color:#d03a2b;font-style:normal;margin-left:2px}
.form-item input,.form-item textarea{width:100%;border:1px solid #d9dee6;border-radius:3px;padding:10px 12px;font:inherit;outline:none;transition:.2s;background:#fbfcfe}
.form-item input:focus,.form-item textarea:focus{border-color:var(--blue);background:#fff}
.form-item textarea{min-height:120px;resize:vertical}
.code-row{display:flex;gap:12px}
.code-row input{flex:1}
.code-row img{height:44px;cursor:pointer;border-radius:3px;border:1px solid #d9dee6}
.form-tip{font-size:12.5px;color:#999;margin-top:8px}
.form-tip.ok{color:var(--green)}
.form-tip.err{color:#d03a2b}

/* 搜索 */
.search-head{background:#fff;border:1px solid var(--line);border-radius:4px;padding:22px;margin-bottom:24px}
.search-form{display:flex;gap:12px;max-width:560px}
.search-form input{flex:1;border:1px solid #d9dee6;border-radius:3px;padding:10px 14px;font:inherit;outline:none}
.search-form input:focus{border-color:var(--blue)}
.search-tip{margin-top:12px;color:#888;font-size:13px}

/* 分页 */
.pager-nav{margin-top:10px;text-align:center}
.pager{display:inline-block}
.pager a,.pager span{display:inline-block;padding:7px 14px;border:1px solid var(--line);margin:0 3px;border-radius:3px;color:#555;font-size:13px;background:#fff}
.pager a:hover{border-color:var(--blue);color:var(--blue)}
.pager span.current{background:var(--blue);border-color:var(--blue);color:#fff;font-weight:bold}
.pager-empty{text-align:center;color:#999;padding:40px 0}

/* ---------- 页脚 ---------- */
.footer{background:var(--foot);color:#fff;margin-top:0}
.f-top{border-bottom:1px solid rgba(255,255,255,.18);padding:18px 0}
.f-nav{display:flex;flex-wrap:wrap;gap:0}
.f-nav a{color:#e6f1fb;font-size:14px;padding:0 22px;border-right:1px solid rgba(255,255,255,.25);line-height:1.6}
.f-nav a:first-child{padding-left:0}
.f-nav a:last-child{border-right:0}
.f-nav a:hover{color:var(--orange)}
.f-main{display:flex;gap:44px;align-items:center;padding:34px 0}
.f-hot p{font-size:15px;opacity:.9}
.f-hot .tel{font-size:34px;font-weight:bold;font-family:Impact,"Arial Black",sans-serif;letter-spacing:1px;color:var(--orange)}
.f-col em{display:block;font-style:normal;line-height:2.1;font-size:14px;opacity:.95}
.f-name{font-size:16px;font-weight:bold}
.f-addr{flex:1}
.f-qr{text-align:center;margin-left:auto}
.f-qr p{font-size:13px;margin-top:6px;opacity:.85}
.copyright{background:var(--blue-d);padding:14px 0;font-size:13px;text-align:center;color:rgba(255,255,255,.75)}

/* ---------- 悬浮侧栏 ---------- */
.side-float{position:fixed;right:12px;bottom:90px;z-index:90;display:flex;flex-direction:column;gap:8px}
.side-float a,.side-float button{width:52px;height:52px;background:var(--blue);color:#fff;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:11px;gap:2px;box-shadow:0 4px 12px rgba(0,0,0,.2);transition:.25s}
.side-float svg{width:18px;height:18px;fill:none;stroke:#fff;stroke-width:1.8}
.side-float a:hover,.side-float button:hover{background:var(--orange)}

/* ---------- 动效 ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s,transform .7s}
.reveal.in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .header-in{height:auto;padding:12px 0;flex-wrap:wrap}
  .nav-toggle{display:block;margin-left:auto;width:40px;height:34px;position:relative}
  .nav-toggle span{position:absolute;left:8px;right:8px;height:2px;background:var(--blue);transition:.25s}
  .nav-toggle span:nth-child(1){top:9px}.nav-toggle span:nth-child(2){top:16px}.nav-toggle span:nth-child(3){top:23px}
  .nav-toggle.on span:nth-child(1){top:16px;transform:rotate(45deg)}
  .nav-toggle.on span:nth-child(2){opacity:0}
  .nav-toggle.on span:nth-child(3){top:16px;transform:rotate(-45deg)}
  .nav{display:none;width:100%;flex-direction:column;border-top:1px solid var(--line)}
  .nav.open{display:flex}
  .nav>li>a{line-height:48px;padding:0 6px;border-bottom:1px solid var(--line)}
  .nav>li>a::after{display:none}
  .nav .sub{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;background:#f6f9fd}
  .nav .sub a{color:var(--txt);border-top:0}
  .banner{height:340px}
  .slide-title{font-size:26px}
  .about-layout,.hot-body,.news-body,.detail-top,.contact-layout{flex-direction:column}
  .about-pic,.hot-pic,.new_img{flex:auto;width:100%}
  .index-products .pro-card,.pro-grid .pro-card,.case-card{width:calc(50% - 20px)}
  .with-side{flex-direction:column}
  .with-side>div:first-child{flex:auto;width:100%}
  .hot-head,.news-head{flex-direction:column;align-items:flex-start;gap:12px}
  .hot-wz{text-align:left}
  .adv-row{flex-direction:column;align-items:center}
  .adv2-r dt,.adv2-r dd{text-align:left}
  .adv2-r dt{border-right:0;border-left:4px solid var(--green);padding-left:20px}
  .cta .container{flex-direction:column;text-align:center}
  .contact-cards{flex-wrap:wrap}
  .c-card{width:calc(50% - 20px);flex:auto}
  .form-item{width:100%}
  .f-main{flex-wrap:wrap;gap:24px}
}
@media (max-width:560px){
  .topbar .tb-left{display:none}
  .index-products .pro-card,.pro-grid .pro-card,.case-card{width:100%}
  .banner{height:280px}
  .sec-head h2{font-size:26px}
  .hot-pro,.section{padding:44px 0}
}