/* 山东恒阳新材料有限公司 整站样式 */
*{margin:0;padding:0;box-sizing:border-box}
:root{
  --blue:#c8102e; --blue2:#9e0c1d; --green:#e8761e; --orange:#ff7a00;
  --ink:#222; --gray:#666; --line:#e6e9f0; --bg:#f5f7fa;
}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;color:var(--ink);font-size:16px;line-height:1.75;background:#fff}
img{max-width:100%;display:block}
a{color:var(--blue2);text-decoration:none}
a:hover{color:var(--orange)}
.container{width:98%;max-width:1560px;margin:0 auto}
/* ---------- 顶栏 ---------- */
.topbar{background:var(--blue);color:#f6dada;font-size:14px;padding:6px 0}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:12px}
.topbar a{color:#f6dada}
.topbar a:hover{color:#fff}
.lang-switch{display:flex;gap:6px;align-items:center}
.lang-switch a{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border:1px solid rgba(255,255,255,.35);border-radius:20px;color:#fff;font-size:13px}
.lang-switch a.cur,.lang-switch a:hover{background:rgba(255,255,255,.18);color:#fff}
.flag{width:18px;height:12px;display:inline-block;border-radius:2px;overflow:hidden;vertical-align:-1px}
.flag svg{display:block;width:100%;height:100%}
/* ---------- 头部 ---------- */
.header{background:#fff;border-bottom:3px solid var(--blue)}
.header .container{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{width:52px;height:52px;border-radius:50%;overflow:hidden;flex-shrink:0;box-shadow:0 2px 8px rgba(200,16,46,.3)}
.logo-mark img{width:100%;height:100%;object-fit:cover}
.logo-text b{font-size:24px;color:var(--blue);letter-spacing:1px}
.logo-text span{display:block;font-size:12px;color:var(--gray);letter-spacing:2px}
.head-tel{text-align:right}
.head-tel .t1{font-size:13px;color:var(--gray)}
.head-tel .t2{font-size:24px;font-weight:800;color:var(--orange)}
/* ---------- 主导航 ---------- */
.mainnav{background:var(--blue)}
.mainnav .container{display:flex;flex-wrap:wrap}
.mainnav a{color:#fff;font-size:17px;padding:13px 0;flex:1;text-align:center;border-left:1px solid rgba(255,255,255,.12)}
.mainnav a:first-child{border-left:none}
.mainnav a:hover,.mainnav a.cur{background:var(--blue2)}
/* ---------- Hero ---------- */
.hero{position:relative;background:#4a0d14;color:#fff;overflow:hidden}
.hero img{width:100%;height:auto;aspect-ratio:16/5;min-height:240px;max-height:600px;object-fit:cover;opacity:.55}
.hero .hero-txt{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;width:98%;max-width:1560px;margin:0 auto}
.hero h1{font-size:42px;line-height:1.3;text-shadow:0 2px 8px rgba(0,0,0,.5)}
.hero p{font-size:20px;margin:14px 0 22px;text-shadow:0 1px 4px rgba(0,0,0,.5)}
.hero .btns a{display:inline-block;padding:12px 34px;border-radius:6px;font-size:18px;margin-right:14px}
.btn-primary{background:var(--orange);color:#fff!important}
.btn-ghost{border:2px solid #fff;color:#fff!important}
/* ---------- 通用板块 ---------- */
.section{padding:44px 0}
.section.gray{background:var(--bg)}
.sec-title{text-align:center;margin-bottom:30px}
.sec-title h2{font-size:30px;color:var(--blue);display:inline-block}
.sec-title h2::after{content:"";display:block;width:70px;height:4px;background:var(--orange);margin:8px auto 0;border-radius:2px}
.sec-title p{color:var(--gray);margin-top:8px;font-size:15px}
/* 横向 Tab 导航 */
.tabnav{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-bottom:26px}
.tabnav button{border:1px solid var(--line);background:#fff;color:var(--ink);font-size:15px;padding:7px 18px;border-radius:22px;cursor:pointer;font-family:inherit}
.tabnav button:hover{border-color:var(--blue2);color:var(--blue2)}
.tabnav button.on{background:var(--blue);border-color:var(--blue);color:#fff}
/* 产品网格 4 列 */
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:.25s;display:block}
.card:hover{box-shadow:0 8px 24px rgba(200,16,46,.16);transform:translateY(-4px)}
.card .pic{aspect-ratio:4/3;overflow:hidden;background:#eef1f6}
.card .pic img{width:100%;height:100%;object-fit:cover;transition:.4s}
.card:hover .pic img{transform:scale(1.06)}
.card .cname{padding:12px 10px;text-align:center;font-size:17px;font-weight:700;color:var(--ink)}
.card .cen{text-align:center;font-size:12px;color:#999;padding:0 10px 12px}
/* 案例网格 5 列 */
.grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.grid5 .card .cname{font-size:15px}
/* 厂区 4 列 / 荣誉 5 列 */
.honor-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.honor-grid .card .pic{background:#fff;display:flex;align-items:center;justify-content:center}
.honor-grid .card .pic img{object-fit:contain;padding:6px}
/* 新闻 3 列 */
.news3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-col{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px}
.news-col h3{font-size:19px;color:var(--blue);border-bottom:2px solid var(--blue);padding-bottom:10px;margin-bottom:12px;display:flex;justify-content:space-between;align-items:baseline}
.news-col h3 a{font-size:13px;font-weight:400;color:#999}
.news-col ul{list-style:none}
.news-col li{padding:7px 0;border-bottom:1px dashed var(--line);display:flex;justify-content:space-between;gap:10px}
.news-col li a{color:var(--ink);font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-col li a:hover{color:var(--orange)}
.news-col li .d{color:#999;font-size:13px;flex-shrink:0}
/* 关于我们 */
.about-wrap{display:grid;grid-template-columns:1.1fr .9fr;gap:36px;align-items:center}
.about-wrap .pic img{border-radius:10px;box-shadow:0 10px 30px rgba(0,0,0,.12)}
.about-txt h2{font-size:28px;color:var(--blue);margin-bottom:16px}
.about-txt p{margin-bottom:12px;color:#444;text-indent:2em}
.about-txt ul{margin:14px 0 0 2em;color:#444}
/* CTA 条 */
.cta{background:linear-gradient(90deg,var(--blue),var(--blue2));color:#fff;padding:34px 0}
.cta .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.cta h3{font-size:26px}
.cta p{opacity:.85;margin-top:4px}
.cta .tel{font-size:34px;font-weight:800;color:#ffd27a}
/* 分站网格 */
.substation{display:grid;grid-template-columns:repeat(8,1fr);gap:10px}
.substation a{background:#fff;border:1px solid var(--line);border-radius:6px;text-align:center;padding:10px 4px;font-size:14px;color:var(--ink)}
.substation a:hover{background:var(--blue);color:#fff;border-color:var(--blue)}
/* ---------- 面包屑 / 内页 ---------- */
.crumb{background:var(--bg);padding:12px 0;font-size:14px;color:var(--gray);border-bottom:1px solid var(--line)}
.crumb a{color:var(--gray)}
.page-body{padding:40px 0}
.layout-2{display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
/* 产品详情 */
.pd-head{display:grid;grid-template-columns:520px 1fr;gap:36px;margin-bottom:36px}
.pd-head .pic{border:1px solid var(--line);border-radius:10px;overflow:hidden}
.pd-head h1{font-size:30px;color:var(--blue);margin-bottom:12px}
.pd-attrs{background:var(--bg);border-radius:10px;padding:18px;margin:14px 0}
.pd-attrs div{display:flex;padding:6px 0;border-bottom:1px dashed var(--line);font-size:15px}
.pd-attrs div b{width:110px;flex-shrink:0;color:var(--blue)}
.pd-cta{margin-top:16px}
.pd-cta a{display:inline-block;background:var(--orange);color:#fff;font-size:19px;font-weight:700;padding:12px 34px;border-radius:8px}
.pd-cta a:hover{background:#e66d00}
.pd-sec{margin-bottom:30px}
.pd-sec h2{font-size:22px;color:var(--blue);border-left:5px solid var(--orange);padding-left:12px;margin-bottom:14px}
.pd-sec p{margin-bottom:10px;color:#333;text-indent:2em}
.pd-sec ul{margin:8px 0 8px 2em;color:#333}
.pd-sec table{width:100%;border-collapse:collapse;font-size:15px}
.pd-sec th,.pd-sec td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.pd-sec th{background:var(--bg);width:160px;color:var(--blue)}
.faq-item{background:var(--bg);border-radius:8px;padding:14px 18px;margin-bottom:12px}
.faq-item b{color:var(--blue);display:block;margin-bottom:6px}
/* 侧栏 */
.side-box{background:#fff;border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px}
.side-box h3{font-size:18px;color:var(--blue);border-bottom:2px solid var(--blue);padding-bottom:8px;margin-bottom:12px}
.side-box ul{list-style:none}
.side-box li{padding:6px 0;border-bottom:1px dashed var(--line);font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.side-contact{text-align:center}
.side-contact .big{font-size:26px;font-weight:800;color:var(--orange);margin:8px 0}
.side-contact img{width:150px;margin:10px auto 4px;border:1px solid var(--line);border-radius:8px}
/* 列表页 */
.list-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
/* 省份/城市页 */
.geo-case{background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px 18px;margin-bottom:12px}
.geo-case b{color:var(--blue)}
.city-links{display:flex;flex-wrap:wrap;gap:8px 14px;font-size:14px}
.city-links a{color:#666}
.city-links a:hover{color:var(--orange)}
/* 新闻列表 */
.news-list-item{background:#fff;border:1px solid var(--line);border-radius:8px;padding:18px 22px;margin-bottom:14px}
.news-list-item h2{font-size:19px;margin-bottom:6px}
.news-list-item .meta{color:#999;font-size:13px;margin-bottom:6px}
.news-list-item p{color:#555;font-size:14px}
.article h1{font-size:28px;color:var(--blue);margin-bottom:10px;line-height:1.4}
.article .meta{color:#999;font-size:14px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:20px}
.article .content p{margin-bottom:14px;text-indent:2em;color:#333}
.article .content{white-space:pre-line}
/* ---------- 页脚 ---------- */
.footer{background:#3a1216;color:#e3cbc9;margin-top:20px}
.footer .cols{display:grid;grid-template-columns:1.2fr 1fr 1.4fr 1fr;gap:30px;padding:40px 0 24px}
.footer h4{color:#fff;font-size:17px;margin-bottom:14px}
.footer p,.footer li{font-size:14px;line-height:2}
.footer ul{list-style:none}
.footer a{color:#e3cbc9}
.footer a:hover{color:#fff}
.footer .qr img{width:120px;border-radius:6px;background:#fff;padding:4px}
.foot-links{border-top:1px solid #5a2a30;padding:16px 0;font-size:13px;line-height:2.1}
.foot-links b{color:#fff;font-size:14px;display:block;margin-bottom:6px}
.foot-links a{color:#c9a8ac;margin-right:12px;white-space:nowrap}
.foot-links a:hover{color:#fff}
.copy{background:#280c10;text-align:center;padding:14px 0;font-size:13px;color:#c9a8ac}
.copy a{color:#c9a8ac}
.copy a:hover{color:#fff}
/* 浮动电话 */
.float-tel{position:fixed;right:18px;bottom:80px;z-index:99}
.float-tel a{display:block;background:var(--orange);color:#fff;font-weight:700;padding:12px 18px;border-radius:30px;box-shadow:0 6px 18px rgba(255,122,0,.4);font-size:17px}
/* ---------- 响应式 ---------- */
@media(max-width:1200px){.grid5{grid-template-columns:repeat(4,1fr)}.substation{grid-template-columns:repeat(6,1fr)}}
@media(max-width:960px){
 .grid4{grid-template-columns:repeat(2,1fr)}.grid5{grid-template-columns:repeat(2,1fr)}
 .honor-grid{grid-template-columns:repeat(2,1fr)}.news3{grid-template-columns:1fr}
 .about-wrap{grid-template-columns:1fr}.layout-2{grid-template-columns:1fr}
 .pd-head{grid-template-columns:1fr}.list-grid{grid-template-columns:1fr}
 .hero img{min-height:200px}.hero h1{font-size:20px}.hero p{font-size:13px;margin:8px 0 12px}.hero .btns a{padding:9px 18px;font-size:15px}
 .mainnav a{font-size:15px;flex:auto;padding:10px 12px}
 .footer .cols{grid-template-columns:1fr 1fr}
 .head-tel .t2{font-size:18px}.logo-text b{font-size:18px}
}

/* 站内搜索 */
.site-search{display:flex;align-items:center;flex:1;max-width:420px;margin:0 10px}
.site-search input{flex:1;padding:9px 14px;border:2px solid var(--blue);border-radius:22px 0 0 22px;font-size:14px;outline:none;min-width:0}
.site-search button{padding:9px 20px;background:var(--blue);color:#fff;border:2px solid var(--blue);border-radius:0 22px 22px 0;font-size:14px;cursor:pointer;white-space:nowrap}
.site-search button:hover{background:var(--blue2)}
.site-search.big{max-width:640px;margin:0}
.site-search.big input{padding:12px 18px;font-size:15px}
.site-search.big button{padding:12px 28px;font-size:15px}
.srch-item{padding:12px 16px;border-bottom:1px solid var(--line)}
.srch-item a{font-size:16px;font-weight:700;color:var(--blue)}
.srch-item a:hover{color:var(--orange)}
.srch-item span{display:block;font-size:12px;color:#999;margin-top:4px}
@media(max-width:860px){
 .site-search{order:3;max-width:100%;width:100%;margin:10px 0 0}
 .header .container{flex-wrap:wrap}
}

/* 分页 */
.pager{display:flex;justify-content:center;gap:8px;margin-top:24px}
.pager button{min-width:38px;height:38px;padding:0 12px;border:1px solid var(--line);background:#fff;border-radius:8px;font-size:15px;cursor:pointer;color:var(--blue)}
.pager button.on{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:700}
.pager button:hover{border-color:var(--blue)}

/* 404 页面 */
.nf-wrap{text-align:center;padding:60px 0 70px}
.nf-code{font-size:150px;font-weight:900;line-height:1;letter-spacing:8px;
 background:linear-gradient(135deg,#c8102e 10%,#ff7a00 60%,#ffb84d 100%);
 -webkit-background-clip:text;background-clip:text;color:transparent;
 text-shadow:0 12px 40px rgba(200,16,46,.12)}
.nf-code span{display:inline-block;animation:nf-bounce 2.4s ease-in-out infinite}
@keyframes nf-bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-14px)}}
.nf-links{display:flex;flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px}
.nf-link{padding:10px 26px;border:2px solid var(--blue);border-radius:24px;color:var(--blue);font-weight:700;font-size:15px;transition:.2s}
.nf-link:hover{background:var(--blue);color:#fff;transform:translateY(-2px)}
@media(max-width:640px){.nf-code{font-size:96px;letter-spacing:4px}}