/* ═══════════════════════════════════════════════
   山东中力 ZONY — V1 · Bray International 风格
   品牌红 / 圆角卡片 / 照片感 hero / 红色大页脚
   ═══════════════════════════════════════════════ */

:root{
  --red:#b02a30;          /* 品牌红（参考 Bray crimson） */
  --red-d:#8f1f24;        /* 深红 / hover */
  --red-dd:#6e1418;       /* 页脚深红 */
  --red-l:#fbeeed;        /* 浅红底 */
  --ink:#26282b;          /* 主文字 */
  --muted:#6b6f73;        /* 次要文字 */
  --bg:#ffffff;
  --band:#f5f5f6;         /* 浅灰段落带 */
  --band-2:#ececee;
  --line:#e3e4e6;
  --ok:#2e8b57;
  --sans:'Montserrat','Noto Sans SC','PingFang SC','Microsoft YaHei',system-ui,sans-serif;
  --shadow:0 2px 12px rgba(30,30,32,.08);
  --shadow-h:0 14px 34px rgba(30,30,32,.16);
  --r:10px;               /* 卡片圆角 */
  --r-s:6px;              /* 按钮圆角 */
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--sans);
  color:var(--ink);
  background:var(--bg);
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img,svg{display:block;max-width:100%}
a{color:var(--red);text-decoration:none}
a:hover{color:var(--red-d)}
ul{list-style:none}
.wrap{width:min(1200px,calc(100% - 40px));margin-inline:auto}

::selection{background:#f3d3d4}
::-webkit-scrollbar{width:10px}
::-webkit-scrollbar-track{background:#f0f0f1}
::-webkit-scrollbar-thumb{background:#c3c4c6;border-radius:5px}
::-webkit-scrollbar-thumb:hover{background:#9d9ea1}

/* ── 顶部工具条（浅色，参考 Bray）：左侧是中力集团三站切换，右侧是热线 ── */
.topbar{background:#fafafa;border-bottom:1px solid var(--line);color:var(--muted);font-size:12.5px}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:38px;gap:16px}
.topbar a{color:var(--muted)}
.topbar a:hover{color:var(--red)}
.topbar b{color:var(--ink);font-weight:600}
.topbar-right{display:flex;align-items:center;gap:18px}
/* 站点切换：当前站用 aria-current="true" 标出（实心红胶囊），其余两站是跨域链接 */
.sitebar{display:flex;align-items:center;gap:4px}
.sitebar .sb-label{margin-right:8px;font-size:11.5px;font-weight:700;letter-spacing:.06em;color:#9a9da0}
.sitebar a{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:99px;font-weight:500;transition:.2s}
.sitebar a:hover{background:var(--red-l);color:var(--red)}
.sitebar a[aria-current="true"],.sitebar a[aria-current="true"]:hover{background:var(--red);color:#fff;font-weight:600}

/* ── 主导航 ── */
.site-header{
  position:sticky;top:0;z-index:900;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(0,0,0,.09)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:78px;gap:22px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-logo{height:40px;width:auto}
/* 竖排 logo（中力阀门 / 中力铸造）比横排高：头部 78px 里放 52px */
.brand-logo.stack{height:52px}
/* 红底页脚里的 logo：白色衬底徽章 */
.footer .brand-logo{height:44px;background:#fff;padding:7px 14px;border-radius:8px}
.footer .brand-logo.stack{height:62px}

.mainnav{display:flex;align-items:center;height:100%}
/* 导航项：内边距与高度由链接自身承载。带下拉的项里链接嵌在 .has-sub 内，
   选择器必须同时覆盖两种写法，否则嵌套的链接会漏到全局 a{color:red}，且两侧内边距点不到 */
.mainnav>a,.mainnav>.has-sub>a{
  display:flex;align-items:center;height:78px;
  padding:0 15px;font-size:15px;color:#333;font-weight:600;white-space:nowrap;
}
.mainnav>a{position:relative}
.mainnav>a:hover,.mainnav>.has-sub:hover>a,
.mainnav>a.active,.mainnav>.has-sub.active>a{color:var(--red)}
.mainnav>a.active::after,.mainnav>.has-sub.active::after{
  content:'';position:absolute;left:15px;right:15px;bottom:0;height:3px;background:var(--red);border-radius:2px 2px 0 0;
}
/* 下拉 */
.has-sub{position:relative}
/* 小箭头：提示这一项带子菜单，展开时翻转 */
.has-sub>a::after{
  content:'';flex-shrink:0;width:6px;height:6px;margin:-3px 0 0 8px;
  border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg);
  transition:transform .25s,margin .25s;
}
.has-sub:hover>a::after{transform:rotate(-135deg);margin-top:3px}
.subnav{
  position:absolute;top:100%;left:0;min-width:230px;background:#fff;
  border:1px solid var(--line);border-top:3px solid var(--red);border-radius:0 0 var(--r) var(--r);
  box-shadow:var(--shadow-h);padding:8px 0;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;
}
.has-sub:hover .subnav{opacity:1;visibility:visible;transform:translateY(0)}
/* 键盘 Tab 到该项同样展开。只认 :focus-visible：鼠标点完不会让菜单卡在打开态。
   单独成规则：不支持 :has() 的旧浏览器会整条丢弃，不连累上面的悬停规则 */
.has-sub:has(:focus-visible) .subnav{opacity:1;visibility:visible;transform:translateY(0)}
.has-sub:has(:focus-visible)>a::after{transform:rotate(-135deg);margin-top:3px}
.subnav a{display:flex;justify-content:space-between;align-items:center;padding:9px 18px;font-size:14px;color:var(--ink);font-weight:500}
.subnav a span{font-size:10.5px;color:#a5a8ab;letter-spacing:.08em;font-weight:600}
.subnav a:hover{background:var(--red-l);color:var(--red)}

/* 锚点落地补偿 sticky 头部高度 */
[id]{scroll-margin-top:100px}

.header-cta{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:6px}
.nav-toggle i{display:block;width:22px;height:2.5px;background:var(--ink);border-radius:2px;margin:5px 0;transition:.3s}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* 抽屉里子菜单的展开/收起钮（由 main.js 注入，仅抽屉模式显示；链接本身照常跳转） */
.sub-toggle{
  display:none;position:absolute;top:0;right:0;width:52px;height:55px;
  background:none;border:0;cursor:pointer;color:#333;
}
.sub-toggle::before{
  content:'';position:absolute;left:50%;top:50%;width:8px;height:8px;margin:-6px 0 0 -4px;
  border:solid currentColor;border-width:0 2px 2px 0;transform:rotate(45deg);transition:transform .25s,margin .25s;
}
.sub-toggle[aria-expanded="true"]::before{transform:rotate(-135deg);margin-top:-2px}

/* 移动抽屉遮罩 */
.nav-mask{
  position:fixed;inset:0;background:rgba(15,17,20,.45);z-index:940;
  opacity:0;visibility:hidden;transition:.3s;
}
.nav-mask.show{opacity:1;visibility:visible}

/* 中间宽度：收紧导航，避免头部横向溢出 */
@media (max-width:1280px){
  .mainnav>a,.mainnav>.has-sub>a{padding:0 11px;font-size:14.5px}
  .mainnav>a.active::after,.mainnav>.has-sub.active::after{left:11px;right:11px}
  .header-in{gap:14px}
}

/* ── 按钮 ── */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;white-space:nowrap;
  font-family:var(--sans);font-weight:700;font-size:14.5px;letter-spacing:.02em;
  border-radius:var(--r-s);padding:12px 26px;transition:.22s;cursor:pointer;border:2px solid transparent;
}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-lg{padding:15px 34px;font-size:15.5px}
.btn-primary{background:var(--red);color:#fff}
.btn-primary:hover{background:var(--red-d);color:#fff;box-shadow:0 8px 20px rgba(176,42,48,.32)}
.btn-outline{border-color:var(--red);color:var(--red);background:#fff}
.btn-outline:hover{background:var(--red);color:#fff}
.btn-ghost{border-color:#fff;color:#fff;background:transparent}
.btn-ghost:hover{background:#fff;color:var(--red-d)}
.btn-ink{border-color:#d9dadc;color:var(--ink);background:#fff}
.btn-ink:hover{border-color:var(--red);color:var(--red)}

/* ── Hero（全宽照片感场景 · 居中标题，参考 Bray） ── */
.hero{
  position:relative;min-height:560px;display:flex;align-items:center;justify-content:center;
  text-align:center;overflow:hidden;color:#fff;background:#15171a;
}
.hero-art{position:absolute;inset:0;width:100%;height:100%}
.hero-art img{width:100%;height:100%;object-fit:cover}
/* 照片上的深色压暗罩，保证白字可读 */
.hero::after{
  content:'';position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,12,15,.55),rgba(10,12,15,.62) 55%,rgba(10,12,15,.78));
}
.hero-in{position:relative;z-index:2;max-width:880px;padding:90px 20px}
.hero-in h1{font-size:clamp(34px,4.6vw,54px);font-weight:800;line-height:1.22;letter-spacing:.01em}
.hero-in .lead{margin:18px auto 30px;font-size:clamp(15px,1.5vw,18px);line-height:1.85;color:rgba(255,255,255,.88);max-width:640px}
.hero-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.hero-certs{margin-top:34px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}
.cert-chip{
  border:1px solid rgba(255,255,255,.35);border-radius:99px;padding:5px 16px;
  font-size:12.5px;letter-spacing:.06em;color:rgba(255,255,255,.92);background:rgba(255,255,255,.08);
}

/* ── 新闻条（浅灰卡，红 eyebrow） ── */
.news-strip{background:var(--band);padding:0}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.news-grid .news-label{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:26px 30px 0}
.news-label .eyebrow{margin:0}
.news-label .more-link{margin-top:0}
.news-grid .news-head{grid-column:1/-1;margin:0;padding:56px 0 12px}
.ncard{
  background:var(--band);padding:34px 30px 30px;border-right:1px solid var(--line);
  transition:background .25s;
}
.ncard:last-child{border-right:0}
.ncard:hover{background:#fff}
.ncard-tag{font-size:13px;font-weight:800;color:var(--red);letter-spacing:.04em}
.ncard h3{font-size:16.5px;font-weight:700;margin:8px 0 10px;line-height:1.5}
.ncard p{font-size:13.5px;color:var(--muted);line-height:1.75}
.more-link{display:inline-flex;align-items:center;gap:7px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--red)}
.more-link svg{width:16px;height:12px;transition:transform .25s}
.ncard:hover .more-link svg,.pcard:hover .more-link svg{transform:translateX(5px)}

/* ── 通用 section ── */
.section{padding:84px 0}
.band{background:var(--band)}
.band-2{background:var(--band-2)}
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:44px}
.eyebrow{font-size:15px;font-weight:800;color:var(--red);letter-spacing:.02em;margin-bottom:10px}
.sec-head h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.3;color:var(--ink)}
.sec-head .desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:760px}
.sec-more{
  flex-shrink:0;display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--red);font-size:14.5px;
}
.sec-more svg{width:18px;height:12px}

/* ── 焦点区（Our Focus 式：左文右图 + 白卡） ── */
.focus-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.focus-copy h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.32}
.focus-copy p{margin-top:16px;color:var(--muted)}
.focus-copy p.eyebrow{margin-top:0;color:var(--red)}
.focus-visual{
  border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-h);position:relative;background:#202428;
}
.focus-visual svg{width:100%;height:auto}
.focus-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:40px}
.fcard{
  background:#fff;border-radius:var(--r);box-shadow:var(--shadow);padding:28px 26px;
  transition:.25s;border:1px solid transparent;
}
.fcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-h)}
.fcard-ic{width:46px;height:46px;border-radius:9px;background:var(--red-l);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.fcard-ic svg{width:24px;height:24px;stroke:var(--red)}
.fcard h3{font-size:16px;font-weight:700;line-height:1.5}
.fcard h3 b{color:var(--red)}
.fcard .btn{margin-top:16px}

/* ── 产品卡片（图 + 红色箭头链接，参考 Bray） ── */
.prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
/* 认证卡固定三张一排（平板也不折），只在手机折成单列——行内样式压得住响应式规则，所以用类 */
.prod-grid.cert-grid{grid-template-columns:repeat(3,1fr)}
.pcard{
  background:#fff;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);
  transition:.28s;border:1px solid var(--line);display:flex;flex-direction:column;
}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.pcard-fig{background:linear-gradient(160deg,#f7f8f9,#eceef0);border-bottom:1px solid var(--line)}
.pcard-fig svg{width:100%;height:auto}
.pcard-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1}
.pcard-body h3{font-size:19px;font-weight:800}
.pcard-body h3 i{display:block;font-style:normal;font-size:10.5px;letter-spacing:.16em;color:#a5a8ab;font-weight:700;margin-top:3px}
.pcard-body .desc{margin:12px 0 16px;font-size:13.8px;color:var(--muted);flex:1}
.pcard-specs{border-top:1px dashed var(--line);padding-top:14px;display:grid;gap:6px}
.pcard-specs li{display:flex;justify-content:space-between;font-size:13px}
.pcard-specs li span{color:#9a9da0}
.pcard-specs li b{font-weight:600;color:var(--ink)}
.pcard .more-link{margin-top:18px}

/* ── 数字带（深红 + 圆点球，参考 Bray 全球区） ── */
.stat-band{
  position:relative;color:#fff;background:linear-gradient(135deg,#8f1f24,#6e1418);overflow:hidden;
}
.stat-band .dots{position:absolute;right:-60px;top:0;height:100%;width:46%;opacity:.5}
.stat-band .wrap{position:relative;z-index:2;display:grid;grid-template-columns:repeat(5,1fr);gap:20px;padding:64px 0}
.st b{font-size:clamp(30px,3vw,42px);font-weight:800;letter-spacing:.01em}
.st b em{font-style:normal;font-size:.52em;font-weight:700;margin-left:3px}
.st span{display:block;font-size:13.5px;color:rgba(255,255,255,.78);margin-top:6px}

/* ── 应用领域（图卡 + 底部红带标题） ── */
.sector-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scard{
  display:block;color:var(--ink);
  border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow);
  transition:.28s;border:1px solid var(--line);
}
.scard:hover{transform:translateY(-6px);box-shadow:var(--shadow-h)}
.scard-fig{height:170px;position:relative;overflow:hidden}
.scard-fig svg{width:100%;height:100%}
.scard-body{padding:20px 20px 22px}
.scard h3{font-size:16px;font-weight:800}
.scard h3::after{content:'';display:block;width:26px;height:3px;background:var(--red);border-radius:2px;margin-top:8px}
.scard p{margin-top:10px;font-size:13px;color:var(--muted);line-height:1.7}

/* ── 品质认证（白卡 icon 行） ── */
.qual-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.test-list{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:#fff;box-shadow:var(--shadow)}
.test-list li{padding:18px 22px;border-bottom:1px solid var(--line)}
.test-list li:nth-child(odd){border-right:1px solid var(--line)}
.test-list li:nth-last-child(-n+2){border-bottom:0}
.test-list b{display:block;font-size:15px;font-weight:700}
.test-list span{font-size:12px;color:#9a9da0;letter-spacing:.04em}
.cert-badges{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:26px}
.cert-badge{background:#fff;border:1px solid var(--line);border-radius:var(--r-s);padding:14px 12px;text-align:center;box-shadow:var(--shadow)}
.cert-badge b{display:block;font-size:15px;font-weight:800;color:var(--red)}
.cert-badge span{font-size:11.5px;color:var(--muted)}

/* ── 内页标题带 ── */
.page-head{background:linear-gradient(120deg,#6e1418,#b02a30);color:#fff;padding:58px 0 52px;position:relative;overflow:hidden}
.page-head .pgrid{position:absolute;inset:0;opacity:.16}
.page-head h1{font-size:clamp(28px,3.4vw,40px);font-weight:800;position:relative}
.page-head .sub{position:relative;margin-top:12px;max-width:900px;color:rgba(255,255,255,.88);font-size:14.5px}
.crumbs{background:var(--band);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.crumbs .wrap{height:44px;display:flex;align-items:center;gap:10px}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--red)}
.crumbs .sep{color:#c3c4c6}

/* ── 产品详情卡 ── */
.with-side{display:grid;grid-template-columns:1fr 280px;gap:40px;align-items:start}
.catalog-note{
  background:var(--red-l);border-left:4px solid var(--red);border-radius:0 var(--r-s) var(--r-s) 0;
  padding:16px 22px;font-size:13.8px;color:#5c4344;margin-bottom:28px;line-height:1.8;
}
.dcard{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow);
  margin-bottom:30px;overflow:hidden;
}
.dcard-head{display:grid;grid-template-columns:340px 1fr}
.dcard-fig{background:linear-gradient(160deg,#f7f8f9,#eceef0);border-right:1px solid var(--line);display:flex;align-items:center}
.dcard-fig svg{width:100%;height:auto}
.dcard-info{padding:28px 32px}
.dcard-info h2{font-size:22px;font-weight:800}
.dcard-info h2 i{display:block;font-style:normal;font-size:10.5px;letter-spacing:.16em;color:#a5a8ab;font-weight:700;margin-top:4px}
.dcard-info>p{margin:12px 0 16px;font-size:14px;color:var(--muted)}
.spec-table{width:100%;border-collapse:collapse;font-size:13.5px}
.spec-table th{
  text-align:left;font-weight:600;color:var(--muted);white-space:nowrap;padding:7px 14px 7px 0;
  width:96px;vertical-align:top;border-bottom:1px dashed var(--line);
}
.spec-table td{padding:7px 0;border-bottom:1px dashed var(--line)}
.spec-table tr:last-child th,.spec-table tr:last-child td{border-bottom:0}
.dcard-foot{
  display:flex;align-items:center;gap:14px;padding:16px 32px;background:var(--band);
  border-top:1px solid var(--line);
}
.dcard-foot .std{font-size:12.5px;color:var(--muted);flex:1}
.dcard-foot .std b{color:var(--ink)}

/* ── 侧栏 ── */
.side{position:sticky;top:110px}
.side h3{font-size:16px;font-weight:800;padding-bottom:12px;border-bottom:2px solid var(--red);margin-bottom:6px}
.side ul{margin-bottom:22px}
.side li a{
  display:flex;justify-content:space-between;align-items:center;padding:11px 4px;
  border-bottom:1px solid var(--line);font-size:14px;color:var(--ink);font-weight:500;transition:.2s;
}
.side li a span{font-size:11px;color:#a5a8ab}
.side li a:hover{color:var(--red);padding-left:10px}
.side-note{margin-top:18px;font-size:12.5px;color:var(--muted);background:var(--band);border-radius:var(--r-s);padding:14px 16px;line-height:1.7}

/* ── 大表格 ── */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.mat-table{width:100%;border-collapse:collapse;font-size:13.8px;min-width:760px}
.mat-table thead th{
  background:var(--red);color:#fff;text-align:left;font-weight:700;padding:13px 18px;white-space:nowrap;
}
.mat-table tbody td{padding:13px 18px;border-bottom:1px solid var(--line);color:#43464a}
.mat-table tbody tr:last-child td{border-bottom:0}
.mat-table tbody tr:nth-child(even){background:#fafafa}
.mat-table tbody b{color:var(--ink)}

/* ── 订购流程 ── */
.order-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.ostep{
  background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:28px 26px;position:relative;box-shadow:var(--shadow);
}
.ostep::before{
  counter-increment:step;content:"0" counter(step);
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;background:var(--red);color:#fff;
  font-weight:800;font-size:16px;margin-bottom:16px;
}
.ostep h3{font-size:16.5px;font-weight:800}
.ostep p{margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ── CTA 带 ── */
.cta-band{background:linear-gradient(120deg,#26282b,#3a3d41);color:#fff;padding:56px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:800}
.cta-band p{margin-top:8px;color:rgba(255,255,255,.75);font-size:14.5px}
.phone small{display:block;font-size:11px;letter-spacing:.2em;color:rgba(255,255,255,.6)}
.phone{font-size:clamp(22px,2.4vw,30px);font-weight:800;letter-spacing:.03em}

/* ── 联系页 ── */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:44px;align-items:start}
.cinfo-card{
  display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:var(--r);
  padding:22px 24px;box-shadow:var(--shadow);margin-bottom:16px;
}
.cinfo-ic{
  flex-shrink:0;width:48px;height:48px;border-radius:10px;background:var(--red-l);
  display:flex;align-items:center;justify-content:center;
}
.cinfo-ic svg{width:24px;height:24px;stroke:var(--red)}
.cinfo-card h3{font-size:16px;font-weight:800}
.cinfo-card p{margin-top:4px;font-size:13.8px;color:var(--muted)}
.cinfo-card b{color:var(--ink)}
.map-box{
  height:210px;border-radius:var(--r);border:1px solid var(--line);position:relative;overflow:hidden;
  background:linear-gradient(150deg,#eef1f3,#dfe3e6);
}
.map-pin{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;font-size:13.5px;color:var(--muted);font-weight:600}
.map-pin .pin{width:14px;height:14px;border-radius:50% 50% 50% 0;background:var(--red);transform:rotate(-45deg);box-shadow:0 0 0 6px rgba(176,42,48,.18)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow-h);padding:36px 38px}
.form-card h2{font-size:24px;font-weight:800}
.form-card .fsub{margin:8px 0 22px;font-size:13px;color:var(--muted)}
.frow{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.fgroup{margin-bottom:16px}
.fgroup label{display:block;font-size:13.5px;font-weight:600;margin-bottom:6px}
.fgroup label i{color:var(--red);font-style:normal}
.fgroup input,.fgroup select,.fgroup textarea{
  width:100%;font-family:var(--sans);font-size:14px;color:var(--ink);
  border:1.5px solid var(--line);border-radius:var(--r-s);padding:11px 14px;background:#fbfbfc;transition:.2s;
}
.fgroup textarea{min-height:120px;resize:vertical}
.fgroup input:focus,.fgroup select:focus,.fgroup textarea:focus{outline:none;border-color:var(--red);background:#fff}
.fgroup .err{display:none;font-size:12px;color:var(--red);margin-top:5px}
.fgroup.has-err input,.fgroup.has-err select,.fgroup.has-err textarea{border-color:var(--red)}
.fgroup.has-err .err{display:block}
.form-ok{
  display:none;background:#eef7f1;border:1px solid #bfe0cd;color:#226b45;border-radius:var(--r-s);
  padding:12px 16px;font-size:13.5px;margin-bottom:18px;
}
.form-ok.show{display:block}

/* ── 页脚（品牌红大页脚，参考 Bray） ── */
.footer{background:var(--red-dd);color:#f3dedf}
.foot-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.3fr;gap:44px;padding:64px 0 50px}
.foot-brand p{margin-top:18px;font-size:13.5px;color:rgba(255,255,255,.72);line-height:1.85}
.foot-brand .btn{margin-top:22px}
.foot-col h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:18px;letter-spacing:.02em}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{color:rgba(255,255,255,.72);font-size:13.8px;transition:.2s}
.foot-col ul a:hover{color:#fff;padding-left:4px}
.f-contact li{display:flex;gap:10px;margin-bottom:12px;font-size:13.5px;color:rgba(255,255,255,.72)}
.f-contact svg{width:16px;height:16px;stroke:rgba(255,255,255,.6);flex-shrink:0;margin-top:4px}
.foot-bar{border-top:1px solid rgba(255,255,255,.16);padding:18px 0}
.foot-bar .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.55)}
.foot-bar a{color:rgba(255,255,255,.55)}
.foot-bar a:hover{color:#fff}

/* ── 回顶 ── */
.to-top{
  position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:8px;border:0;cursor:pointer;
  background:var(--red);color:#fff;font-size:19px;box-shadow:0 8px 22px rgba(176,42,48,.4);
  opacity:0;visibility:hidden;transition:.3s;z-index:800;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{background:var(--red-d)}

/* ── 渐显动画 ── */
.js-anim .fade-in{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.js-anim .fade-in.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .js-anim .fade-in{opacity:1;transform:none;transition:none}
  *{animation:none!important;transition:none!important}
}

/* ── 响应式 ── */
@media (max-width:1080px){
  .mainnav{
    position:fixed;top:0;right:0;transform:translateX(105%);width:300px;height:100vh;background:#fff;z-index:950;
    flex-direction:column;align-items:stretch;padding:130px 26px 30px;gap:2px;
    box-shadow:-12px 0 40px rgba(0,0,0,.16);transition:transform .35s;overflow-y:auto;
    visibility:hidden;
  }
  .mainnav.open{transform:none;visibility:visible}
  /* 抽屉打开时让头部（含 X 按钮）浮在抽屉与遮罩之上，并锁住页面滚动 */
  body.nav-open .site-header{z-index:960;box-shadow:none}
  body.nav-open{overflow:hidden}
  .mainnav>a,.mainnav>.has-sub{border-bottom:1px solid var(--line)}
  .mainnav>a,.mainnav>.has-sub>a{display:block;height:auto;padding:13px 0;font-size:16px}
  .mainnav>.has-sub>a{padding-right:52px}
  .mainnav>a.active::after,.mainnav>.has-sub.active::after{display:none}
  .mainnav>a.active,.mainnav>.has-sub.active>a{font-weight:700}
  .has-sub>a::after{display:none}
  .sub-toggle{display:block}
  .subnav{position:static;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-radius:0;padding:0 0 6px;display:none}
  .has-sub.open .subnav{display:block}
  .nav-toggle{display:block;z-index:960}
  .news-grid{grid-template-columns:1fr 1fr}
  .ncard{border-bottom:1px solid var(--line)}
  .prod-grid{grid-template-columns:1fr 1fr}
  .sector-grid{grid-template-columns:repeat(3,1fr)}
  .stat-band .wrap{grid-template-columns:repeat(3,1fr);row-gap:34px}
  .focus-grid,.qual-grid,.contact-grid{grid-template-columns:1fr;gap:36px}
  .with-side{grid-template-columns:minmax(0,1fr)}
  .side{position:static}
  .order-steps{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:34px}
  .dcard-head{grid-template-columns:1fr}
  .dcard-fig{border-right:0;border-bottom:1px solid var(--line)}
  .hero{min-height:480px}
}
@media (max-width:640px){
  /* 手机：热线与页脚重复，让位给三站切换 */
  .topbar-right{display:none}
  .topbar .wrap{justify-content:flex-start}
  .sitebar .sb-label{display:none}
  .header-cta .btn{display:none}
  .brand-logo{height:30px}
  .brand-logo.stack{height:42px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px}
  .news-grid,.prod-grid,.prod-grid.cert-grid,.sector-grid,.order-steps,.focus-cards{grid-template-columns:1fr}
  .stat-band .wrap{grid-template-columns:1fr 1fr}
  .cert-badges{grid-template-columns:1fr 1fr}
  .frow{grid-template-columns:1fr}
  .form-card{padding:26px 20px}
  .foot-grid{grid-template-columns:1fr}
  .cta-band .wrap{flex-direction:column;align-items:flex-start}
  .test-list{grid-template-columns:1fr}
  .test-list li:nth-child(odd){border-right:0}
  .test-list li:nth-last-child(-n+2){border-bottom:1px solid var(--line)}
  .test-list li:last-child{border-bottom:0}
  .hero-in{padding:70px 18px}
  .section{padding:60px 0}
}
/* 小屏手机：logo 再缩一档，保证 logo + 汉堡钮放得进内容区 */
@media (max-width:360px){
  .brand-logo{height:26px}
  .brand-logo.stack{height:36px}
}

/* ── 真实图片支持 ── */
.focus-visual img{width:100%;height:auto;display:block}
.pcard-fig{display:flex;align-items:center;justify-content:center;height:200px;overflow:hidden;background:#fff}
.pcard-fig img{max-width:100%;max-height:100%;object-fit:contain}
.dcard-fig img{max-width:100%;max-height:260px;object-fit:contain;padding:14px}
.dcard-fig{flex-direction:column;justify-content:center}
.photo-band{border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow)}
.photo-band img{width:100%;height:100%;object-fit:cover;display:block}
.scard-fig img{width:100%;height:100%;object-fit:cover}
.qphoto-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.qphoto-grid figure{margin:0;border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow);background:#fff}
.qphoto-grid img{width:100%;height:180px;object-fit:cover;display:block}
.qphoto-grid figcaption{padding:10px 14px;font-size:12.5px;color:var(--muted);border-top:1px solid var(--line)}
@media (max-width:640px){.qphoto-grid{grid-template-columns:1fr}}

/* ── 解决方案页 / 关于页 ── */
/* 场景插画当配图：铺满图区，不再垫产品图用的浅灰底 */
.dcard-fig.scene{background:none;align-items:stretch}
.dcard-fig.scene svg{flex:1;height:auto;min-height:210px}
/* 「推荐阀型」：链接 + 一句说明，说明文字全部取自产品中心的现有描述 */
.fit-list li{padding:3px 0;line-height:1.7}
.fit-list a{font-weight:700}
.fit-list a+span{margin-left:8px;font-size:12.5px;color:var(--muted)}
/* 公司概况：值是正文信息，不是副标签，字号与对比度都比品质区块里的检测项说明更高 */
.test-list.facts span{font-size:13.5px;color:var(--muted);letter-spacing:0}
/* 大图版：整张图按 4:3 显示，不裁切 */
.qphoto-grid.tall img{height:auto;aspect-ratio:4/3}

/* ── 红色标题带里的行内链接：白字下划线（品质页指向铸造站） ── */
.page-head .sub a{color:#fff;text-decoration:underline;text-underline-offset:3px}
.page-head .sub a:hover{color:#fff;text-decoration-thickness:2px}

/* 口号等标题按分句换行，避免窄屏单字孤行 */
.nb{display:inline-block}

/* 渐进增强：标题均衡换行，正文避免孤字 */
h1,h2,h3{text-wrap:balance}
.lead,.desc,.sub{text-wrap:pretty}
.hero-in .lead{text-wrap:balance}

/* ── 404 ── */
.nf{text-align:center}
.nf h1{font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.3}
.nf p{margin-top:12px;color:var(--muted)}
.nf .hero-actions{margin-top:28px}