@charset "utf-8";
/* =======================================================================
   重庆飞测科技官网 · 视觉系统 v2（fcv- 前缀）
   -----------------------------------------------------------------------
   定位：工业科技风。与 style.css 并存，只新增不覆盖；
        所有选择器以 fcv- 开头，可安全与原模板共存、逐页迁移。
   三条铁律：
     1) 底色只用三种：白 / #F6F8FB / 深墨蓝 #0A1421
     2) 分隔靠 1px 细线，不靠阴影；圆角统一 4px
     3) 大字号只出现在深色区，白底标题克制
   ======================================================================= */

/* ========== 1. 设计令牌 ========== */
:root{
  /* 中性色 */
  --fcv-ink:#0E1621;          /* 主文字 */
  --fcv-ink-2:#3D4A5C;        /* 次文字 */
  --fcv-ink-3:#72808F;        /* 弱文字 */
  --fcv-line:#E3E9F0;         /* 分隔线 */
  --fcv-line-2:#EDF1F6;       /* 更浅的线 */
  --fcv-bg:#FFFFFF;
  --fcv-bg-2:#F6F8FB;         /* 交替区块底 */

  /* 深色区 */
  --fcv-navy:#0A1421;
  --fcv-navy-2:#12283F;
  --fcv-on-dark:#FFFFFF;
  --fcv-on-dark-2:rgba(255,255,255,.62);
  --fcv-on-dark-3:rgba(255,255,255,.42);
  --fcv-line-dark:rgba(255,255,255,.10);

  /* 品牌（沿用站点主色，保证新旧页面同色系） */
  --fcv-brand:#2463B2;
  --fcv-brand-d:#1B4E8E;
  --fcv-brand-lt:#3E86D8;
  --fcv-brand-soft:#EAF1FA;

  /* 语义色（仅用于状态，不用于装饰） */
  --fcv-ok:#1F9D6B;
  --fcv-warn:#D98A05;

  /* 尺寸 */
  --fcv-wrap:1280px;
  --fcv-gut:32px;
  --fcv-r:4px;
  --fcv-sec-y:96px;

  /* 字体 */
  --fcv-sans:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --fcv-num:Bahnschrift,"DIN Alternate","Helvetica Neue",Arial,sans-serif;

  /* 唯一允许的阴影：下拉/浮层 */
  --fcv-pop:0 18px 44px -16px rgba(10,20,33,.22);
  --fcv-ease:cubic-bezier(.4,0,.2,1);
}

/* ========== 2. 基础归一化（作用域内） ========== */
.fcv-wrap{
  width:min(var(--fcv-wrap), calc(100% - var(--fcv-gut)*2));
  margin-inline:auto;
}
.fcv-sec{padding:var(--fcv-sec-y) 0}
.fcv-sec.alt{background:var(--fcv-bg-2)}
.fcv-sec.dark{background:var(--fcv-navy);color:var(--fcv-on-dark)}
.fcv-sec.dark .fcv-sechd h2{color:#fff}
.fcv-sec.dark .fcv-sechd p{color:var(--fcv-on-dark-2)}

/* 横向溢出兜底：移动端抽屉在视口外，不能产生横向滚动条。
   overflow-x:clip 不创建滚动容器，因此不会破坏导航的 position:sticky */
html{overflow-x:clip}
@supports not (overflow-x:clip){
  html,body{overflow-x:hidden}
}

/* 盒模型：只作用于 fcv- 组件，不波及老模板 */
[class^="fcv-"],[class*=" fcv-"]{box-sizing:border-box}

/* 新页面 body 基础 */
body.fcv-page{
  background:#fff;color:var(--fcv-ink);
  font-family:var(--fcv-sans);font-size:15px;line-height:1.75;
  -webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
}
body.fcv-page img{max-width:100%}

/* 无障碍：仅供屏幕阅读器 */
.fcv-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* 跳转到主内容 */
.fcv-skip{
  position:absolute;left:-9999px;top:0;z-index:300;
  background:var(--fcv-brand);color:#fff;font-size:14px;
  padding:10px 18px;border-radius:0 0 var(--fcv-r) 0;
}
.fcv-skip:focus{left:0}

/* ========== 3. 区块标题 ========== */
.fcv-sechd{margin:0 0 48px}
.fcv-sechd .tag{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--fcv-num);font-size:11.5px;font-weight:600;
  letter-spacing:.18em;text-transform:uppercase;color:var(--fcv-brand);
  margin:0 0 16px;
}
.fcv-sechd .tag::before{content:"";width:22px;height:1px;background:currentColor;opacity:.7}
.fcv-sec.dark .fcv-sechd .tag{color:var(--fcv-brand-lt)}
.fcv-sechd h2{
  font-size:clamp(24px,2.1vw,34px);line-height:1.32;font-weight:700;
  letter-spacing:-.01em;margin:0;color:var(--fcv-ink);
}
.fcv-sechd p{margin:14px 0 0;font-size:15px;line-height:1.85;color:var(--fcv-ink-3);max-width:680px}
.fcv-sechd.row{display:flex;justify-content:space-between;align-items:flex-end;gap:40px;flex-wrap:wrap}
.fcv-sechd.center{text-align:center}
.fcv-sechd.center p{margin-inline:auto}
.fcv-sechd.center .tag{justify-content:center}

/* 右侧「查看全部」链接 */
.fcv-more{
  display:inline-flex;align-items:center;gap:7px;flex:none;
  font-size:14px;color:var(--fcv-brand);font-weight:500;
  padding-bottom:3px;border-bottom:1px solid transparent;transition:border-color .24s;
}
.fcv-more:hover{border-bottom-color:currentColor}
.fcv-more svg{width:14px;height:14px;flex:none;transition:transform .24s}
.fcv-more:hover svg{transform:translateX(3px)}
.fcv-sec.dark .fcv-more{color:#7FB6F0}
.fcv-sec.dark .fcv-more:hover{color:#A8CDF5}

/* ========== 4. 按钮 ========== */
.fcv-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 24px;border-radius:var(--fcv-r);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  background:var(--fcv-brand);color:#fff;border:1px solid var(--fcv-brand);
  transition:background .22s var(--fcv-ease),border-color .22s,color .22s,transform .22s;
  cursor:pointer;white-space:nowrap;
}
.fcv-btn:hover{background:var(--fcv-brand-d);border-color:var(--fcv-brand-d);color:#fff}
.fcv-btn:active{transform:translateY(1px)}
.fcv-btn svg{width:16px;height:16px;flex:none}
/* 描边（浅底） */
.fcv-btn.ghost{background:transparent;color:var(--fcv-ink);border-color:var(--fcv-line)}
.fcv-btn.ghost:hover{background:var(--fcv-bg-2);border-color:#C9D4E0;color:var(--fcv-brand)}
/* 描边（深底） */
.fcv-btn.line{background:transparent;color:#fff;border-color:rgba(255,255,255,.32)}
.fcv-btn.line:hover{background:rgba(255,255,255,.09);border-color:rgba(255,255,255,.62);color:#fff}
.fcv-btn.sm{height:40px;padding:0 18px;font-size:14px}
.fcv-btn.lg{height:52px;padding:0 30px;font-size:16px}
.fcv-btn.block{width:100%}

/* ========== 5. 顶部工具条 ========== */
.fcv-topbar{
  background:var(--fcv-navy);color:var(--fcv-on-dark-3);
  font-size:12.5px;line-height:1;
}
.fcv-topbar .fcv-wrap{
  display:flex;align-items:center;justify-content:space-between;
  height:38px;gap:24px;
}
.fcv-topbar-l{display:flex;align-items:center;gap:10px;min-width:0}
.fcv-topbar-l .dot{width:4px;height:4px;border-radius:50%;background:var(--fcv-brand-lt);flex:none}
.fcv-topbar-l span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fcv-topbar-r{display:flex;align-items:center;gap:22px;flex:none}
.fcv-topbar-r a{color:var(--fcv-on-dark-2);transition:color .2s;display:inline-flex;align-items:center;gap:6px}
.fcv-topbar-r a:hover{color:#fff}
.fcv-topbar-r svg{width:13px;height:13px;opacity:.75}
.fcv-topbar-r .hot{color:#fff;font-family:var(--fcv-num);font-weight:700;font-size:14px;letter-spacing:.02em}

/* ========== 6. 头部 ========== */
.fcv-hd{
  position:sticky;top:0;z-index:70;background:#fff;
  border-bottom:1px solid var(--fcv-line);
  transition:box-shadow .26s var(--fcv-ease);
}
.fcv-hd.stuck{box-shadow:0 1px 0 var(--fcv-line),0 8px 24px -20px rgba(10,20,33,.4)}
.fcv-hd .fcv-wrap{display:flex;align-items:center;height:76px;gap:8px}

/* Logo */
.fcv-logo{display:flex;align-items:center;flex:none;margin-right:26px}
.fcv-logo img{display:block;height:46px;width:auto}
.fcv-logo-txt{display:none}

/* 主导航 */
.fcv-nav{display:flex;align-items:stretch;height:100%;margin:0;padding:0;list-style:none}
.fcv-nav>li{position:relative;display:flex;align-items:stretch}
.fcv-nav>li>a{
  position:relative;display:flex;align-items:center;height:100%;
  padding:0 16px;font-size:15.5px;font-weight:500;color:var(--fcv-ink);
  letter-spacing:.01em;transition:color .2s;white-space:nowrap;
}
.fcv-nav>li>a::after{
  content:"";position:absolute;left:16px;right:16px;bottom:-1px;height:2px;
  background:var(--fcv-brand);transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--fcv-ease);
}
.fcv-nav>li:hover>a,.fcv-nav>li.is-on>a{color:var(--fcv-brand)}
.fcv-nav>li:hover>a::after,.fcv-nav>li.is-on>a::after{transform:scaleX(1)}
/* 有下拉的小箭头 */
.fcv-nav>li>a .arw{width:9px;height:9px;margin-left:6px;opacity:.4;transition:transform .24s,opacity .2s}
.fcv-nav>li:hover>a .arw{transform:rotate(180deg);opacity:.9}

/* 二级下拉 */
.fcv-sub{
  position:absolute;left:0;top:100%;min-width:196px;margin:0;padding:8px 0;
  list-style:none;background:#fff;border:1px solid var(--fcv-line);
  border-top:2px solid var(--fcv-brand);border-radius:0 0 var(--fcv-r) var(--fcv-r);
  box-shadow:var(--fcv-pop);
  opacity:0;visibility:hidden;transform:translateY(8px);
  transition:opacity .22s var(--fcv-ease),transform .22s var(--fcv-ease),visibility .22s;
  z-index:75;
}
.fcv-nav>li:hover>.fcv-sub{opacity:1;visibility:visible;transform:translateY(0)}
.fcv-sub a{
  display:block;padding:9px 20px;font-size:14px;color:var(--fcv-ink-2);
  line-height:1.5;white-space:nowrap;transition:background .18s,color .18s;
}
.fcv-sub a:hover{background:var(--fcv-bg-2);color:var(--fcv-brand)}
/* 子项多的分类下拉用两列 */
.fcv-sub.wide{display:grid;grid-template-columns:1fr 1fr;min-width:400px;padding:10px 0}

/* 头部右侧操作 */
.fcv-hdact{margin-left:auto;display:flex;align-items:center;gap:10px;flex:none}
.fcv-hdsearch{
  display:flex;align-items:center;height:40px;width:196px;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  background:var(--fcv-bg-2);padding:0 4px 0 12px;transition:border-color .2s,background .2s;
}
.fcv-hdsearch:focus-within{border-color:var(--fcv-brand);background:#fff}
.fcv-hdsearch input{
  flex:1;min-width:0;height:100%;border:0;background:none;outline:none;
  font-size:13.5px;color:var(--fcv-ink);font-family:inherit;
}
.fcv-hdsearch input::placeholder{color:#9AA6B4}
.fcv-hdsearch button{
  width:32px;height:32px;flex:none;border:0;background:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--fcv-ink-3);border-radius:3px;
}
.fcv-hdsearch button:hover{color:var(--fcv-brand);background:#fff}
.fcv-hdsearch svg{width:16px;height:16px}

/* 汉堡按钮（≤1180 出现） */
.fcv-burger{
  display:none;width:44px;height:44px;flex:none;padding:0;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.fcv-burger i{display:block;width:18px;height:1.5px;background:var(--fcv-ink);position:relative;transition:background .2s}
.fcv-burger i::before,.fcv-burger i::after{
  content:"";position:absolute;left:0;width:18px;height:1.5px;background:var(--fcv-ink);
  transition:transform .26s var(--fcv-ease),top .26s;
}
.fcv-burger i::before{top:-6px}
.fcv-burger i::after{top:6px}

/* ========== 7. 移动端抽屉 ========== */
/* 外层固定满屏 + 裁剪：抽屉藏在视口外时不会撑宽移动端布局视口 */
.fcv-drawer-wrap{
  position:fixed;inset:0;z-index:120;
  overflow:hidden;pointer-events:none;
}
.fcv-drawer{
  position:absolute;inset:0 0 0 auto;width:min(86vw,370px);
  background:#fff;transform:translateX(100%);
  transition:transform .34s var(--fcv-ease);
  display:flex;flex-direction:column;
  overflow-y:auto;-webkit-overflow-scrolling:touch;
  box-shadow:-24px 0 60px -30px rgba(10,20,33,.4);
  pointer-events:auto;
}
.fcv-drawer.open{transform:translateX(0)}
.fcv-drawer-mask{
  position:fixed;inset:0;z-index:110;background:rgba(10,20,33,.48);
  opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s;
  -webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);
}
.fcv-drawer-mask.open{opacity:1;visibility:visible}
.fcv-drawer-wrap[aria-hidden="true"] .fcv-drawer{visibility:hidden}
.fcv-drawer-wrap[aria-hidden="false"] .fcv-drawer{visibility:visible}
.fcv-drawer-hd{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 20px;border-bottom:1px solid var(--fcv-line);flex:none;
}
.fcv-drawer-hd img{height:38px;width:auto;display:block}
.fcv-drawer-x{
  width:40px;height:40px;border:0;background:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;color:var(--fcv-ink-2);
}
.fcv-drawer-x svg{width:20px;height:20px}
.fcv-drawer-nav{padding:4px 0 0}
.fcv-drawer-nav a,.fcv-drawer-nav summary{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;font-size:16px;color:var(--fcv-ink);
  border-bottom:1px solid var(--fcv-line-2);cursor:pointer;
  list-style:none;transition:background .18s,color .18s;
}
.fcv-drawer-nav summary::-webkit-details-marker{display:none}
.fcv-drawer-nav a:hover,.fcv-drawer-nav summary:hover{background:var(--fcv-bg-2);color:var(--fcv-brand)}
.fcv-drawer-nav summary svg{width:12px;height:12px;opacity:.4;transition:transform .24s}
.fcv-drawer-nav details[open]>summary svg{transform:rotate(180deg)}
.fcv-drawer-nav details>div{padding:2px 0 6px;background:var(--fcv-bg-2)}
.fcv-drawer-nav details>div a{padding:12px 20px 12px 34px;font-size:14.5px;color:var(--fcv-ink-2);border-bottom:1px solid rgba(227,233,240,.7)}
.fcv-drawer-ft{margin-top:auto;padding:22px 20px 30px;flex:none}
.fcv-drawer-ft .fcv-btn{width:100%}
.fcv-drawer-ft .tel{
  display:block;text-align:center;margin-top:14px;
  font-family:var(--fcv-num);font-size:19px;font-weight:700;color:var(--fcv-brand);
}

/* ========== 8. 首屏 Hero（深色） ========== */
.fcv-hero{
  position:relative;overflow:hidden;color:#fff;
  background:
    radial-gradient(1100px 560px at 80% 12%, rgba(46,123,214,.22) 0%, transparent 62%),
    linear-gradient(165deg,#0A1421 0%,#0E1E30 46%,#12283F 100%);
}
/* 细网格纹理：工业感的来源，极淡 */
.fcv-hero::before{
  content:"";position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(120% 100% at 50% 0%,#000 20%,transparent 78%);
  mask-image:radial-gradient(120% 100% at 50% 0%,#000 20%,transparent 78%);
}
.fcv-hero>.fcv-wrap{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);
  gap:52px;align-items:center;
  padding:78px 0 66px;
}
.fcv-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--fcv-num);font-size:11.5px;font-weight:600;
  letter-spacing:.2em;text-transform:uppercase;color:#6FA8E4;
}
.fcv-eyebrow::before{content:"";width:24px;height:1px;background:currentColor}
.fcv-hero-h1{
  margin:22px 0 0;font-size:clamp(28px,2.7vw,44px);line-height:1.26;
  font-weight:700;letter-spacing:-.012em;color:#fff;
}
.fcv-hero-h1 em{font-style:normal;color:#7FB6F0}
.fcv-hero-sub{
  margin:22px 0 0;font-size:15px;line-height:1.88;
  color:rgba(255,255,255,.64);max-width:530px;
}
.fcv-hero-act{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin:34px 0 0}
.fcv-hero-tel{
  display:inline-flex;align-items:baseline;gap:9px;font-size:13px;
  color:rgba(255,255,255,.5);margin-left:4px;
}
.fcv-hero-tel b{font-family:var(--fcv-num);font-size:20px;font-weight:700;color:#fff;letter-spacing:.02em}

/* 参数条：1px 缝隙做分隔，比竖线精致 */
.fcv-specs{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  margin:44px 0 0;max-width:560px;
  background:var(--fcv-line-dark);border:1px solid var(--fcv-line-dark);
  border-radius:3px;overflow:hidden;
}
.fcv-specs>div{background:rgba(10,20,33,.44);padding:14px 16px 15px}
.fcv-specs .k{
  font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;
  color:rgba(255,255,255,.4);line-height:1.4;
}
.fcv-specs .v{
  margin-top:6px;font-family:var(--fcv-num);font-size:15px;font-weight:700;
  color:#fff;letter-spacing:.01em;white-space:nowrap;line-height:1.2;
}

/* 首屏产品图 */
.fcv-hero-fig{position:relative;display:flex;align-items:center;justify-content:center;min-height:420px}
.fcv-hero-fig::before{
  content:"";position:absolute;width:min(430px,92%);aspect-ratio:1;border-radius:50%;
  background:radial-gradient(circle,rgba(46,123,214,.28) 0%,transparent 66%);
  filter:blur(14px);
}
.fcv-hero-fig picture{display:contents}
.fcv-hero-fig img{
  position:relative;z-index:2;display:block;
  width:min(400px,88%);height:auto;
  filter:drop-shadow(0 44px 62px rgba(0,0,0,.58));
}
/* 图上参数浮标：只在宽屏显示 */
.fcv-float{
  position:absolute;z-index:3;display:none;
  background:rgba(10,20,33,.72);border:1px solid rgba(255,255,255,.14);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-radius:3px;padding:10px 14px;line-height:1.4;
}
.fcv-float .k{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:rgba(255,255,255,.45)}
.fcv-float .v{margin-top:3px;font-family:var(--fcv-num);font-size:14px;font-weight:700;color:#fff}
.fcv-float.a{left:-4px;bottom:70px}
.fcv-float.b{right:-6px;top:64px}

/* ========== 9. KPI 数据带 ========== */
.fcv-kpi{
  border-bottom:1px solid var(--fcv-line);background:#fff;
}
.fcv-kpi .fcv-wrap{
  display:grid;grid-template-columns:repeat(5,1fr);
  padding:0;
}
.fcv-kpi>div,.fcv-kpi .fcv-wrap>div{
  padding:34px 24px 32px;border-left:1px solid var(--fcv-line);
  display:flex;flex-direction:column;gap:8px;
}
.fcv-kpi .fcv-wrap>div:first-child{border-left:0;padding-left:0}
.fcv-kpi b{
  font-family:var(--fcv-num);font-size:clamp(28px,2.4vw,38px);font-weight:700;
  color:var(--fcv-ink);letter-spacing:-.01em;line-height:1;display:flex;align-items:baseline;
}
.fcv-kpi b i{font-style:normal;font-size:17px;color:var(--fcv-brand);margin-left:3px;font-weight:600}
.fcv-kpi span{font-size:13px;color:var(--fcv-ink-3);line-height:1.5}

/* ========== 10. 产品分类入口 ========== */
.fcv-cats{
  display:grid;grid-template-columns:repeat(5,1fr);gap:1px;
  background:var(--fcv-line);border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  overflow:hidden;
}
.fcv-cat{
  display:flex;flex-direction:column;gap:0;background:#fff;
  padding:30px 24px 26px;transition:background .24s;position:relative;
}
.fcv-cat:hover{background:var(--fcv-bg-2)}
.fcv-cats{counter-reset:fcvcat}
.fcv-cat .n{
  font-family:var(--fcv-num);font-size:11px;font-weight:600;letter-spacing:.1em;
  color:#B9C4D2;line-height:1;margin-bottom:16px;
}
.fcv-cat .n::before{counter-increment:fcvcat;content:counter(fcvcat,decimal-leading-zero)}
.fcv-cat b{font-size:16.5px;font-weight:600;color:var(--fcv-ink);line-height:1.45;letter-spacing:-.005em}
.fcv-cat span{display:block;margin-top:9px;font-size:12.5px;line-height:1.65;color:var(--fcv-ink-3);min-height:41px}
.fcv-cat em{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:12.5px;font-style:normal;color:var(--fcv-brand);font-weight:500;
  opacity:.55;transform:translateX(-4px);transition:opacity .24s,transform .24s;
}
.fcv-cat:hover em{opacity:1;transform:none}
.fcv-cat::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--fcv-brand);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--fcv-ease);
}
.fcv-cat:hover::after{transform:scaleX(1)}

/* ========== 11. 产品卡 ========== */
.fcv-prods{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.fcv-prod{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  overflow:hidden;transition:border-color .24s,transform .24s var(--fcv-ease);
}
.fcv-prod:hover{border-color:#B9CDE4;transform:translateY(-3px)}
.fcv-prod-img{
  display:block;position:relative;aspect-ratio:1;overflow:hidden;
  background:var(--fcv-bg-2);
}
.fcv-prod-img img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:contain;
  padding:14%;transition:transform .5s var(--fcv-ease);
}
.fcv-prod:hover .fcv-prod-img img{transform:scale(1.05)}
.fcv-prod-img .badge{
  position:absolute;left:10px;top:10px;z-index:2;
  font-size:11px;line-height:1;padding:5px 8px;border-radius:2px;
  background:var(--fcv-brand-soft);color:var(--fcv-brand);font-weight:500;
}
.fcv-prod-bd{padding:16px 16px 18px;border-top:1px solid var(--fcv-line-2);flex:1;display:flex;flex-direction:column}
.fcv-prod-name{
  display:block;font-size:15px;font-weight:600;line-height:1.5;color:var(--fcv-ink);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
  min-height:45px;transition:color .2s;
}
.fcv-prod:hover .fcv-prod-name{color:var(--fcv-brand)}
.fcv-prod-model{
  display:block;margin-top:8px;font-family:var(--fcv-num);font-size:12px;letter-spacing:.02em;
  color:var(--fcv-ink-3);
}
.fcv-prod-go{
  margin-top:14px;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--fcv-brand);font-weight:500;
}
.fcv-prod-go svg{width:13px;height:13px;transition:transform .24s}
.fcv-prod:hover .fcv-prod-go svg{transform:translateX(3px)}

/* ========== 12. 应用领域（图卡） ========== */
.fcv-apps{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}
.fcv-app{
  position:relative;display:block;overflow:hidden;border-radius:var(--fcv-r);
  aspect-ratio:16/11;background:var(--fcv-navy);
  isolation:isolate;
}
.fcv-app{grid-column:span 2}
.fcv-app:nth-child(n+4){grid-column:span 3}
.fcv-app img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
  transition:transform .6s var(--fcv-ease),opacity .4s;
  opacity:.88;
}
.fcv-app::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(180deg,rgba(10,20,33,0) 0%,rgba(10,20,33,.28) 42%,rgba(10,20,33,.78) 78%,rgba(10,20,33,.94) 100%);
}
.fcv-app:hover img{transform:scale(1.06);opacity:1}
.fcv-app-in{position:absolute;inset:auto 0 0 0;z-index:2;padding:22px 22px 24px}
.fcv-app-in .idx{
  font-family:var(--fcv-num);font-size:11px;letter-spacing:.14em;
  color:rgba(255,255,255,.5);display:block;margin-bottom:10px;
}
.fcv-app-in h3{
  margin:0;font-size:18px;font-weight:600;color:#fff;line-height:1.4;
  letter-spacing:-.005em;
}
.fcv-app-in p{
  margin:8px 0 0;font-size:13px;line-height:1.7;color:rgba(255,255,255,.62);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
}
.fcv-app-in .go{
  display:inline-flex;align-items:center;gap:6px;margin-top:14px;
  font-size:12.5px;color:#8FC0F2;opacity:0;transform:translateY(4px);
  transition:opacity .26s,transform .26s;
}
.fcv-app:hover .fcv-app-in .go{opacity:1;transform:none}
.fcv-app-in .go svg{width:12px;height:12px}

/* ========== 13. 核心优势（深色区） ========== */
.fcv-adv{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--fcv-line-dark)}
.fcv-adv>div{background:var(--fcv-navy);padding:6px 30px 10px 0}
.fcv-adv>div:last-child{padding-right:0}
.fcv-adv .ico{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  color:var(--fcv-brand-lt);margin-bottom:22px;
}
.fcv-adv .ico svg{width:26px;height:26px;stroke-width:1.4}
.fcv-adv h3{margin:0;font-size:17px;font-weight:600;color:#fff;line-height:1.5}
.fcv-adv p{margin:12px 0 0;font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.5)}

/* 资质图墙 */
.fcv-quals{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:56px}
.fcv-qual{
  display:block;background:rgba(255,255,255,.04);border:1px solid var(--fcv-line-dark);
  border-radius:var(--fcv-r);padding:10px;transition:border-color .24s,background .24s;
}
.fcv-qual:hover{border-color:rgba(46,123,214,.5);background:rgba(255,255,255,.07)}
.fcv-qual-u{display:block;aspect-ratio:3/4;overflow:hidden;background:#fff;border-radius:2px}
.fcv-qual-u img{display:block;width:100%;height:100%;object-fit:contain}
.fcv-qual b{
  display:block;margin-top:10px;font-size:12.5px;font-weight:500;
  color:rgba(255,255,255,.72);text-align:center;line-height:1.5;
}

/* ========== 14. 案例卡 ========== */
.fcv-cases{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fcv-case{
  display:block;background:#fff;border:1px solid var(--fcv-line);
  border-radius:var(--fcv-r);overflow:hidden;
  transition:border-color .24s,transform .24s var(--fcv-ease);
}
.fcv-case:hover{border-color:#B9CDE4;transform:translateY(-3px)}
.fcv-case-img{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--fcv-bg-2)}
.fcv-case-img img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--fcv-ease)}
.fcv-case:hover .fcv-case-img img{transform:scale(1.05)}
.fcv-case-bd{padding:20px 20px 22px}
.fcv-case-meta{
  display:flex;align-items:center;gap:9px;
  font-size:11.5px;color:var(--fcv-ink-3);letter-spacing:.02em;
}
.fcv-case-meta .tag{
  color:var(--fcv-brand);background:var(--fcv-brand-soft);
  padding:3px 7px;border-radius:2px;line-height:1.3;font-weight:500;
}
.fcv-case-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9D4E0}
.fcv-case-bd h3{
  margin:12px 0 0;font-size:16px;font-weight:600;line-height:1.55;color:var(--fcv-ink);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
  min-height:50px;transition:color .2s;
}
.fcv-case:hover .fcv-case-bd h3{color:var(--fcv-brand)}

/* ========== 15. 新闻（左大图 + 右列表） ========== */
.fcv-news{display:grid;grid-template-columns:.92fr 1.08fr;gap:44px;align-items:start}
/* grid 子项默认 min-width:auto，含 nowrap 文本时会把轨道撑破 */
.fcv-news>*{min-width:0}
.fcv-news-hero{
  display:block;border:1px solid var(--fcv-line);border-radius:var(--fcv-r);overflow:hidden;
  transition:border-color .24s;
}
.fcv-news-hero:hover{border-color:#B9CDE4}
.fcv-news-hero .pic{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--fcv-bg-2)}
.fcv-news-hero .pic img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .6s var(--fcv-ease)}
.fcv-news-hero:hover .pic img{transform:scale(1.04)}
.fcv-news-hero .bd{padding:22px 22px 24px}
.fcv-news-hero .bd .m{font-size:11.5px;color:var(--fcv-brand);letter-spacing:.06em;font-weight:500}
.fcv-news-hero .bd h3{
  margin:10px 0 0;font-size:19px;line-height:1.5;font-weight:600;color:var(--fcv-ink);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
}
.fcv-news-hero:hover .bd h3{color:var(--fcv-brand)}
.fcv-news-hero .bd p{
  margin:10px 0 0;font-size:13.5px;line-height:1.75;color:var(--fcv-ink-3);
  display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;
}
.fcv-news-hero .bd time{display:block;margin-top:14px;font-family:var(--fcv-num);font-size:12px;color:#9AA6B4}

.fcv-news-list{list-style:none;margin:0;padding:0}
.fcv-news-list li{border-bottom:1px solid var(--fcv-line)}
.fcv-news-list li:first-child{border-top:1px solid var(--fcv-line)}
.fcv-news-list a{
  display:flex;align-items:center;gap:18px;padding:18px 2px;transition:padding-left .24s;min-width:0;
}
.fcv-news-list a:hover{padding-left:8px}
.fcv-news-list .t{
  flex:1;min-width:0;font-size:15px;line-height:1.6;color:var(--fcv-ink);
  overflow:hidden;white-space:nowrap;text-overflow:ellipsis;transition:color .2s;
}
.fcv-news-list a:hover .t{color:var(--fcv-brand)}
.fcv-news-list .d{
  flex:none;font-family:var(--fcv-num);font-size:12.5px;color:#9AA6B4;letter-spacing:.02em;
}
.fcv-news-list .cat{
  flex:none;font-size:11.5px;color:var(--fcv-ink-3);padding:2px 7px;
  border:1px solid var(--fcv-line);border-radius:2px;line-height:1.4;
}

/* ========== 16. 底部 CTA 条 ========== */
.fcv-cta{
  position:relative;overflow:hidden;background:var(--fcv-navy);color:#fff;
}
.fcv-cta::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(700px 300px at 15% 120%,rgba(46,123,214,.24),transparent 65%);
}
.fcv-cta .fcv-wrap{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:52px 0;flex-wrap:wrap;
}
.fcv-cta h2{margin:0;font-size:clamp(21px,1.8vw,28px);font-weight:700;line-height:1.4;letter-spacing:-.01em}
.fcv-cta p{margin:10px 0 0;font-size:14px;line-height:1.7;color:var(--fcv-on-dark-2);max-width:520px}
.fcv-cta-act{display:flex;align-items:center;gap:14px;flex-wrap:wrap;flex:none}
.fcv-cta-tel{display:flex;flex-direction:column;gap:4px}
.fcv-cta-tel span{font-size:11.5px;color:rgba(255,255,255,.42);letter-spacing:.1em;text-transform:uppercase}
.fcv-cta-tel b{font-family:var(--fcv-num);font-size:26px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.1}

/* ========== 17. 页脚 ========== */
.fcv-ft{background:var(--fcv-navy);color:var(--fcv-on-dark-3);font-size:13.5px;line-height:1.9}
.fcv-ft-top{
  display:grid;grid-template-columns:1.4fr .72fr .72fr 1.28fr .92fr;gap:40px;
  padding:64px 0 52px;border-bottom:1px solid var(--fcv-line-dark);
}
.fcv-ft-brand .name{
  display:block;font-size:17px;font-weight:700;color:#fff;letter-spacing:.01em;line-height:1.4;
}
.fcv-ft-brand .en{
  display:block;margin-top:7px;font-family:var(--fcv-num);font-size:10.5px;
  letter-spacing:.12em;color:rgba(255,255,255,.36);text-transform:uppercase;
}
.fcv-ft-brand .desc{margin:18px 0 0;font-size:13px;line-height:1.95;color:var(--fcv-on-dark-3);max-width:340px}
.fcv-ft-brand .tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:18px}
.fcv-ft-brand .tags span{
  font-size:11px;line-height:1;padding:5px 8px;border-radius:2px;
  border:1px solid rgba(255,255,255,.14);color:rgba(255,255,255,.55);
}
.fcv-ft-tit{
  margin:0 0 18px;font-size:13.5px;font-weight:600;color:#fff;letter-spacing:.04em;
}
.fcv-ft-col a{display:block;font-size:13px;line-height:2.2;color:var(--fcv-on-dark-3);transition:color .2s}
.fcv-ft-col a:hover{color:#fff}
/* 联系方式：用 dl 保证「标签:值」对齐 */
.fcv-ft-nap{margin:0;font-size:13px;line-height:2}
.fcv-ft-nap div{display:flex;gap:8px;margin-bottom:6px}
.fcv-ft-nap dt{flex:none;color:rgba(255,255,255,.34);width:34px}
.fcv-ft-nap dd{margin:0;color:rgba(255,255,255,.72);min-width:0}
.fcv-ft-nap a{color:rgba(255,255,255,.9);transition:color .2s}
.fcv-ft-nap a:hover{color:#7FB6F0}
.fcv-ft-qr{display:flex;gap:14px;margin-top:16px}
.fcv-ft-qr figure{margin:0;text-align:center}
.fcv-ft-qr img{
  display:block;width:92px;height:92px;object-fit:cover;
  background:#fff;border-radius:3px;padding:4px;
}
.fcv-ft-qr figcaption{margin-top:8px;font-size:11.5px;color:rgba(255,255,255,.4);line-height:1.4}
.fcv-ft-bot{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0 24px;font-size:12.5px;flex-wrap:wrap;
}
.fcv-ft-bot p{margin:0;line-height:1.9;color:rgba(255,255,255,.34)}
.fcv-ft-bot a{color:rgba(255,255,255,.44);transition:color .2s}
.fcv-ft-bot a:hover{color:#fff}
.fcv-ft-bot .links{display:flex;gap:18px;flex-wrap:wrap}

/* ========== 17b. 友情链接 ========== */
/* 友情链接：已并入首页 CTA 深色区底部（见第 31 节 .fcv-cta-links） */

/* ========== 18. 右侧悬浮栏（桌面） ========== */
.fcv-side{
  position:fixed;right:0;top:50%;transform:translateY(-50%);
  z-index:60;display:flex;flex-direction:column;
  background:rgba(10,20,33,.94);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-radius:4px 0 0 4px;overflow:visible;
  box-shadow:0 12px 34px -14px rgba(10,20,33,.5);
}
.fcv-side-i{
  position:relative;width:52px;height:52px;
  display:flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.72);transition:background .2s,color .2s;
  border-bottom:1px solid rgba(255,255,255,.07);
}
.fcv-side-i:last-child{border-bottom:0}
.fcv-side-i:hover{background:var(--fcv-brand);color:#fff}
.fcv-side-i svg{width:20px;height:20px;stroke-width:1.5}
.fcv-side-i .lb{
  position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%) translateX(6px);
  background:var(--fcv-navy);color:#fff;font-size:12.5px;line-height:1;
  padding:9px 12px;border-radius:3px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:opacity .2s,transform .2s,visibility .2s;
  pointer-events:none;
}
.fcv-side-i:hover .lb{opacity:1;visibility:visible;transform:translateY(-50%)}
.fcv-side-qr{
  position:absolute;right:calc(100% + 8px);top:50%;transform:translateY(-50%) scale(.96);
  background:#fff;padding:10px;border-radius:4px;box-shadow:var(--fcv-pop);
  opacity:0;visibility:hidden;transition:opacity .22s,transform .22s,visibility .22s;
  pointer-events:none;
}
.fcv-side-qr img{display:block;width:112px;height:112px;object-fit:contain}
.fcv-side-qr span{display:block;text-align:center;font-size:11.5px;color:var(--fcv-ink-3);margin-top:6px}
.fcv-side-i:hover .fcv-side-qr{opacity:1;visibility:visible;transform:translateY(-50%) scale(1)}

/* ========== 19. 移动端底部操作条 ========== */
.fcv-mbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.97);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border-top:1px solid var(--fcv-line);
  padding-bottom:env(safe-area-inset-bottom);
}
.fcv-mbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:3px;height:56px;font-size:11px;color:var(--fcv-ink-2);
}
.fcv-mbar a svg{width:19px;height:19px;stroke-width:1.6}
.fcv-mbar a.primary{color:var(--fcv-brand)}
.fcv-mbar a.primary svg{stroke-width:1.8}

/* ========== 20. 通用内页件（面包屑 / 页头 / 翻页） ========== */
.fcv-crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:12.5px;color:var(--fcv-ink-3);line-height:1.6;
}
.fcv-crumb a{color:var(--fcv-ink-3);transition:color .2s}
.fcv-crumb a:hover{color:var(--fcv-brand)}
.fcv-crumb span{color:#C3CDD9}
.fcv-crumb i{font-style:normal;color:var(--fcv-ink-2)}

/* 内页头（替代原 abNy_banner） */
.fcv-pghd{
  position:relative;overflow:hidden;background:var(--fcv-navy);color:#fff;
}
.fcv-pghd::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(800px 420px at 82% -10%,rgba(46,123,214,.22),transparent 62%),
    linear-gradient(165deg,#0A1421 0%,#102338 100%);
}
.fcv-pghd::after{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:linear-gradient(90deg,#000,transparent 72%);
  mask-image:linear-gradient(90deg,#000,transparent 72%);
}
.fcv-pghd .fcv-wrap{position:relative;z-index:2;padding:44px 0 40px}
.fcv-pghd .fcv-crumb{color:rgba(255,255,255,.42);margin-bottom:18px}
.fcv-pghd .fcv-crumb a{color:rgba(255,255,255,.42)}
.fcv-pghd .fcv-crumb a:hover{color:#fff}
.fcv-pghd .fcv-crumb span{color:rgba(255,255,255,.22)}
.fcv-pghd h1{
  margin:0;font-size:clamp(23px,2vw,32px);font-weight:700;line-height:1.35;
  letter-spacing:-.01em;color:#fff;
}
.fcv-pghd p{margin:12px 0 0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.55);max-width:760px}
/* 详情页/关于/联系：页头只作栏目标识，正文 h1 保留内容区 */
.fcv-pghd .fcv-pghd-t{margin:0;font-size:clamp(23px,2vw,32px);font-weight:700;line-height:1.35;color:#fff;letter-spacing:-.01em}
.fcv-pghd .fcv-pghd-s{margin:12px 0 0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.55);max-width:760px}

/* 分页 */
.fcv-pager{display:flex;justify-content:center;align-items:center;gap:6px;flex-wrap:wrap;margin:48px 0 0}
.fcv-pager a,.fcv-pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:38px;padding:0 12px;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  font-size:13.5px;color:var(--fcv-ink-2);background:#fff;
  font-family:var(--fcv-num);transition:border-color .2s,color .2s,background .2s;
}
.fcv-pager a:hover{border-color:var(--fcv-brand);color:var(--fcv-brand)}
.fcv-pager span.on,.fcv-pager a.on{background:var(--fcv-brand);border-color:var(--fcv-brand);color:#fff}
.fcv-pager .dis{color:#C3CDD9;cursor:not-allowed}

/* ========== 21. 响应式 ========== */
/* 1420 以下收起搜索框（只留图标按钮） */
@media (max-width:1420px){
  .fcv-hdsearch{width:40px;padding:0;justify-content:center;background:#fff;border-color:var(--fcv-line)}
  .fcv-hdsearch input{display:none}
  .fcv-hdsearch button{width:38px;height:38px}
  .fcv-logo{margin-right:16px}
  .fcv-nav>li>a{padding:0 13px;font-size:15px}
  .fcv-nav>li>a::after{left:13px;right:13px}
}
/* 1180 以下导航收进抽屉 */
@media (max-width:1180px){
  .fcv-nav{display:none}
  .fcv-hdsearch{display:none}
  .fcv-burger{display:flex}
  .fcv-hd .fcv-wrap{height:68px}
  .fcv-logo img{height:42px}
  .fcv-topbar-l span.dn{display:none}
}
@media (max-width:1024px){
  :root{--fcv-sec-y:72px;--fcv-gut:24px}
  .fcv-hero>.fcv-wrap{grid-template-columns:1fr;gap:36px;padding:56px 0 52px;min-height:0}
  .fcv-hero-fig{min-height:auto;order:-1}
  .fcv-hero-fig img{width:min(280px,58%)}
  .fcv-hero-sub{max-width:100%}
  .fcv-kpi .fcv-wrap{grid-template-columns:repeat(5,1fr)}
  .fcv-kpi .fcv-wrap>div{padding:24px 14px 22px}
  .fcv-kpi span{font-size:12px}
  .fcv-cats{grid-template-columns:repeat(3,1fr)}
  .fcv-cat{padding:24px 20px 22px}
  .fcv-cat span{min-height:0}
  .fcv-prods{grid-template-columns:repeat(3,1fr)}
  .fcv-apps{grid-template-columns:repeat(2,1fr)}
  .fcv-app,.fcv-app:nth-child(n+4){grid-column:auto}
  .fcv-adv{grid-template-columns:repeat(2,1fr);gap:1px}
  .fcv-adv>div{padding:4px 24px 26px 0}
  .fcv-quals{grid-template-columns:repeat(4,1fr)}
  .fcv-cases{grid-template-columns:repeat(2,1fr)}
  .fcv-news{grid-template-columns:1fr;gap:32px}
  .fcv-ft-top{grid-template-columns:1fr 1fr;gap:36px;padding:52px 0 44px}
  .fcv-cta .fcv-wrap{padding:44px 0}
}
@media (max-width:768px){
  :root{--fcv-sec-y:56px;--fcv-gut:20px}
  .fcv-topbar{display:none}
  .fcv-hd .fcv-wrap{height:62px}
  .fcv-logo img{height:38px}
  .fcv-hero>.fcv-wrap{padding:40px 0 44px;gap:26px}
  .fcv-hero-fig img{width:min(228px,54%)}
  .fcv-eyebrow{font-size:9px;letter-spacing:.1em;gap:8px}
  .fcv-eyebrow::before{width:16px}
  .fcv-hero-h1{font-size:clamp(24px,6.2vw,30px);line-height:1.32}
  .fcv-hero-sub{font-size:14px;line-height:1.8}
  .fcv-hero-act{margin-top:26px;gap:10px}
  .fcv-hero-act .fcv-btn{flex:1;min-width:0;padding:0 16px;height:44px;font-size:14px}
  .fcv-hero-tel{display:none}
  .fcv-specs{grid-template-columns:repeat(2,1fr);margin-top:30px;max-width:100%}
  .fcv-specs>div{padding:12px 14px}
  .fcv-kpi .fcv-wrap{grid-template-columns:repeat(2,1fr)}
  .fcv-kpi .fcv-wrap>div{padding:20px 0;border-left:0;border-top:1px solid var(--fcv-line)}
  .fcv-kpi .fcv-wrap>div:nth-child(odd){padding-right:16px}
  .fcv-kpi .fcv-wrap>div:nth-child(even){padding-left:16px;border-left:1px solid var(--fcv-line)}
  .fcv-kpi .fcv-wrap>div:nth-child(-n+2){border-top:0}
  .fcv-kpi .fcv-wrap>div:last-child{grid-column:span 2;border-left:0}
  .fcv-sechd{margin-bottom:30px}
  .fcv-sechd.row{align-items:flex-start;gap:16px}
  .fcv-sechd p{font-size:14px}
  .fcv-cats{grid-template-columns:1fr 1fr}
  .fcv-cat{padding:20px 16px}
  .fcv-cat b{font-size:15px}
  .fcv-cat span{display:none}
  .fcv-cat em{display:none}
  .fcv-prods{grid-template-columns:1fr 1fr;gap:12px}
  .fcv-prod-bd{padding:12px 12px 14px}
  .fcv-prod-name{font-size:13px;min-height:58px;-webkit-line-clamp:3}
  .fcv-prod-model{font-size:11px;margin-top:6px}
  .fcv-prod-go{margin-top:10px;font-size:11.5px}
  .fcv-apps{grid-template-columns:1fr;gap:12px}
  .fcv-app,.fcv-app:nth-child(n+4){grid-column:auto}
  .fcv-app{aspect-ratio:16/10}
  .fcv-adv{grid-template-columns:1fr}
  .fcv-adv>div{padding:0 0 26px}
  .fcv-quals{grid-template-columns:repeat(2,1fr);margin-top:36px}
  .fcv-cases{grid-template-columns:1fr;gap:14px}
  .fcv-case-bd h3{min-height:0}
  .fcv-news-list .cat{display:none}
  .fcv-cta .fcv-wrap{padding:36px 0;gap:22px;display:block}
  .fcv-cta-act{margin-top:22px;justify-content:flex-start}
  .fcv-cta-tel b{font-size:22px}
  .fcv-ft-top{grid-template-columns:1fr;gap:30px;padding:40px 0 34px}
  .fcv-ft-brand .desc{max-width:100%}
  .fcv-ft-bot{flex-direction:column;align-items:flex-start;gap:12px;padding:20px 0}
  /* 移动端：侧栏隐藏，改底部条；页脚下方留出空间 */
  .fcv-side{display:none}
  .fcv-mbar{display:flex}
  .fcv-ft{padding-bottom:56px}
  .fcv-pager{margin-top:32px}
  .fcv-pager a,.fcv-pager span{min-width:34px;height:34px;padding:0 9px;font-size:12.5px}
}
@media (max-width:400px){
  .fcv-prods{grid-template-columns:1fr 1fr}
  .fcv-cats{grid-template-columns:1fr 1fr}
  .fcv-kpi .fcv-wrap{grid-template-columns:1fr 1fr}
}

/* 宽屏下才显示图上浮标 */
@media (min-width:1281px){
  .fcv-float{display:block}
}

/* 减少动效偏好 */
@media (prefers-reduced-motion:reduce){
  .fcv-hero::before,.fcv-cta::before{display:none}
  .fcv-prod:hover,.fcv-case:hover{transform:none}
  .fcv-prod:hover .fcv-prod-img img,.fcv-case:hover .fcv-case-img img,
  .fcv-app:hover img,.fcv-news-hero:hover .pic img{transform:none}
}

/* ========== 22. 内页容器对齐 ========== */
/* 老内页用 .w1600（1520~1600 宽），右侧没有留白，会被悬浮栏压住。
   统一收到 1280，与新版首页一致。 */
.fc-pl,
.abNyNews_main,
.abNyNews_tj .lm_nav,
.abNyNew_detail,
.abNy_Products > .w1600,
.Ny_Solution > .w1600,
.abNy_news > .w1600,
.abNy_contact > .w1600{
  width:min(1280px, calc(100% - 64px));
  margin-inline:auto;
  box-sizing:border-box;
}

/* ========== 23. 对原模板的兼容处理 ========== */
/* 原移动端悬浮栏已由 fcv-mbar 取代，隐藏避免遮挡正文 */
@media (max-width:768px){
  .f_pf1{display:none!important}
}

/* =======================================================================
   24. 关于我们（fcv-ab- 前缀）
   白/灰/深三色交替分段：简介 → 数据 → 使命 → 研发制造服务 → 技术能力
   → 资质墙 → 应用领域 → 服务流程 → CTA
   ======================================================================= */

/* ---- 24.1 公司简介：正文 + 企业档案 ---- */
.fcv-ab-intro{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,.95fr);gap:64px;align-items:start}
.fcv-ab-txt{font-size:15px;line-height:2;color:var(--fcv-ink-2)}
.fcv-ab-txt p{margin:0 0 18px}
.fcv-ab-txt p:last-child{margin-bottom:0}
.fcv-ab-txt strong{color:var(--fcv-ink);font-weight:600}
.fcv-ab-txt .lead{
  font-size:17px;line-height:1.95;color:var(--fcv-ink);font-weight:500;
  padding-left:18px;border-left:2px solid var(--fcv-brand);margin-bottom:26px;
}

/* 企业档案：定义列表，1px 线分隔 */
.fcv-ab-facts{border-top:1px solid var(--fcv-line)}
.fcv-ab-facts .hd{
  display:flex;align-items:baseline;justify-content:space-between;
  padding:0 0 14px;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--fcv-ink-3);font-family:var(--fcv-num);border-bottom:1px solid var(--fcv-line);
}
.fcv-ab-facts dl{margin:0;display:grid;grid-template-columns:88px 1fr;gap:0}
.fcv-ab-facts dt,
.fcv-ab-facts dd{
  margin:0;padding:13px 0;border-bottom:1px solid var(--fcv-line-2);
  font-size:13.5px;line-height:1.6;
}
.fcv-ab-facts dt{color:var(--fcv-ink-3)}
.fcv-ab-facts dd{color:var(--fcv-ink);font-weight:500}
.fcv-ab-facts dd .num{font-family:var(--fcv-num);font-weight:700;color:var(--fcv-brand)}

/* ---- 24.2 数据带（沿用 fcv-kpi，补一个变体） ---- */
.fcv-ab-kpi{border-top:1px solid var(--fcv-line);border-bottom:1px solid var(--fcv-line);background:var(--fcv-bg-2)}
.fcv-ab-kpi .fcv-wrap{display:grid;grid-template-columns:repeat(5,1fr);padding:44px 0}
.fcv-ab-kpi .fcv-wrap>div{padding:0 26px;border-left:1px solid var(--fcv-line)}
.fcv-ab-kpi .fcv-wrap>div:first-child{border-left:0;padding-left:0}
.fcv-ab-kpi b{display:block;font-family:var(--fcv-num);font-size:38px;font-weight:700;line-height:1;color:var(--fcv-ink);letter-spacing:-.01em}
.fcv-ab-kpi b i{font-style:normal;font-family:var(--fcv-sans);font-size:18px;color:var(--fcv-brand);margin-left:4px;font-weight:600;vertical-align:3px;letter-spacing:0}
.fcv-ab-kpi span{display:block;margin-top:10px;font-size:13px;color:var(--fcv-ink-3);line-height:1.5}

/* ---- 24.3 使命与愿景（深色） ---- */
.fcv-ab-mv .fcv-wrap{display:grid;grid-template-columns:1fr 1fr;gap:0}
.fcv-ab-mv .cell{padding:0 56px;border-left:1px solid var(--fcv-line-dark)}
.fcv-ab-mv .cell:first-child{border-left:0;padding-left:0}
.fcv-ab-mv .k{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--fcv-brand-lt);font-family:var(--fcv-num)}
.fcv-ab-mv .v{margin-top:20px;font-size:clamp(24px,2.6vw,34px);font-weight:700;line-height:1.4;color:#fff;letter-spacing:-.01em}
.fcv-ab-mv .d{margin-top:16px;font-size:14px;line-height:1.9;color:var(--fcv-on-dark-2)}

/* ---- 24.4 研发 · 制造 · 服务 ---- */
.fcv-ab-col3{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--fcv-line)}
.fcv-ab-col3>div{padding:34px 34px 4px 0;border-right:1px solid var(--fcv-line)}
.fcv-ab-col3>div:last-child{border-right:0;padding-right:0}
.fcv-ab-col3 .n{
  font-family:var(--fcv-num);font-size:12px;font-weight:600;letter-spacing:.14em;
  color:var(--fcv-brand);margin-bottom:16px;
}
.fcv-ab-col3 h3{margin:0;font-size:19px;font-weight:700;color:var(--fcv-ink);line-height:1.5}
.fcv-ab-col3 h3 em{display:block;margin-top:6px;font-style:normal;font-size:11px;letter-spacing:.16em;color:var(--fcv-ink-3);font-family:var(--fcv-num);font-weight:500;text-transform:uppercase}
.fcv-ab-col3 p{margin:16px 0 0;font-size:14px;line-height:1.95;color:var(--fcv-ink-2)}
.fcv-ab-col3 ul{margin:18px 0 0;padding:0;list-style:none}
.fcv-ab-col3 li{position:relative;padding:7px 0 7px 18px;font-size:13.5px;line-height:1.7;color:var(--fcv-ink-3)}
.fcv-ab-col3 li::before{content:"";position:absolute;left:0;top:1.55em;width:6px;height:1px;background:var(--fcv-brand-lt)}

/* ---- 24.5 技术能力 ---- */
.fcv-ab-tech{display:block}
.fcv-ab-tech .note{max-width:880px;margin:0 0 40px;font-size:14.5px;line-height:2;color:var(--fcv-ink-2)}
.fcv-ab-tech .principle{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.fcv-ab-tech .principle>div{
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  padding:22px 16px;text-align:center;background:#fff;
}
.fcv-ab-tech .principle b{display:block;font-size:15px;color:var(--fcv-ink);font-weight:600;line-height:1.5}
.fcv-ab-tech .principle span{display:block;margin-top:9px;font-size:10.5px;letter-spacing:.06em;color:var(--fcv-ink-3);font-family:var(--fcv-num);text-transform:uppercase}
.fcv-ab-gases{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.fcv-ab-gases span{
  font-size:12.5px;line-height:1;padding:8px 12px;border-radius:2px;
  background:var(--fcv-brand-soft);color:var(--fcv-brand-d);font-family:var(--fcv-num);
  letter-spacing:.01em;
}
.fcv-ab-gases span.more{background:#fff;border:1px solid var(--fcv-line);color:var(--fcv-ink-3);font-family:var(--fcv-sans)}

/* ---- 24.6 资质墙 ---- */
.fcv-ab-quals{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.fcv-ab-qual{border:1px solid var(--fcv-line);border-radius:var(--fcv-r);background:#fff;padding:12px;transition:border-color .24s}
.fcv-ab-qual:hover{border-color:#B9CDE4}
.fcv-ab-qual a{display:block;aspect-ratio:3/4;overflow:hidden;background:#FCFDFF;border-radius:2px}
.fcv-ab-qual img{display:block;width:100%;height:100%;object-fit:contain;transition:transform .4s var(--fcv-ease)}
.fcv-ab-qual:hover img{transform:scale(1.03)}
.fcv-ab-qual b{display:block;margin-top:12px;font-size:13.5px;font-weight:600;color:var(--fcv-ink);line-height:1.5}
.fcv-ab-qual span{display:block;margin-top:5px;font-size:11.5px;line-height:1.6;color:var(--fcv-ink-3);font-family:var(--fcv-num)}
.fcv-ab-qualnote{margin:26px 0 0;font-size:13px;line-height:1.9;color:var(--fcv-ink-3)}
.fcv-ab-qualnote a{color:var(--fcv-brand);border-bottom:1px solid rgba(36,99,178,.3)}

/* ---- 24.7 应用领域（文字卡片，不抢首页图卡的视觉） ---- */
.fcv-ab-apps{display:grid;grid-template-columns:repeat(5,1fr);gap:0;border-top:1px solid var(--fcv-line)}
.fcv-ab-apps a{display:block;padding:30px 24px 34px 0;border-right:1px solid var(--fcv-line);transition:background .24s}
.fcv-ab-apps a:last-child{border-right:0;padding-right:0}
.fcv-ab-apps a:hover{background:#fff}
.fcv-ab-apps .n{font-family:var(--fcv-num);font-size:11px;letter-spacing:.14em;color:#B9C4D2}
.fcv-ab-apps b{display:block;margin-top:14px;font-size:15.5px;font-weight:600;color:var(--fcv-ink);line-height:1.55}
.fcv-ab-apps p{margin:10px 0 0;font-size:12.5px;line-height:1.75;color:var(--fcv-ink-3)}

/* ---- 24.8 服务流程 ---- */
.fcv-ab-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:0;counter-reset:fcvstep}
.fcv-ab-flow>div{position:relative;padding:0 22px 0 0;border-top:2px solid var(--fcv-line);padding-top:22px}
.fcv-ab-flow>div::before{
  content:"";position:absolute;left:0;top:-2px;width:38px;height:2px;background:var(--fcv-brand);
}
.fcv-ab-flow .k{font-family:var(--fcv-num);font-size:11px;letter-spacing:.14em;color:var(--fcv-brand);font-weight:600}
.fcv-ab-flow b{display:block;margin-top:10px;font-size:16px;font-weight:600;color:var(--fcv-ink)}
.fcv-ab-flow p{margin:8px 0 0;font-size:12.5px;line-height:1.75;color:var(--fcv-ink-3)}

/* ---- 24.9 响应式 ---- */
@media (max-width:1180px){
  .fcv-ab-intro{gap:44px;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr)}
  .fcv-ab-kpi .fcv-wrap>div{padding:0 18px}
  .fcv-ab-kpi b{font-size:32px}
  .fcv-ab-tech .principle{grid-template-columns:repeat(5,1fr)}
}
@media (max-width:1024px){
  .fcv-ab-intro{grid-template-columns:1fr;gap:36px}
  .fcv-ab-mv .fcv-wrap{grid-template-columns:1fr;gap:32px}
  .fcv-ab-mv .cell{padding:0;border-left:0}
  .fcv-ab-mv .cell:first-child{padding-bottom:32px;border-bottom:1px solid var(--fcv-line-dark)}
  .fcv-ab-col3{grid-template-columns:1fr}
  .fcv-ab-col3>div{padding:28px 0;border-right:0;border-bottom:1px solid var(--fcv-line)}
  .fcv-ab-col3>div:last-child{border-bottom:0}
  .fcv-ab-quals{grid-template-columns:repeat(3,1fr)}
  .fcv-ab-apps{grid-template-columns:repeat(3,1fr)}
  .fcv-ab-apps a{padding:24px 18px 26px 0}
  .fcv-ab-apps a:nth-child(3n){border-right:0}
  .fcv-ab-flow{grid-template-columns:repeat(3,1fr);row-gap:26px}
  .fcv-ab-tech .principle{grid-template-columns:repeat(3,1fr)}
  .fcv-ab-tech .note{max-width:100%;margin-bottom:32px}
}
@media (max-width:768px){
  .fcv-ab-kpi .fcv-wrap{grid-template-columns:repeat(3,1fr);row-gap:28px;padding:32px 0}
  .fcv-ab-kpi .fcv-wrap>div{padding:0 14px}
  .fcv-ab-kpi b{font-size:26px}
  .fcv-ab-kpi span{font-size:12px;margin-top:7px}
  .fcv-ab-quals{grid-template-columns:repeat(2,1fr);gap:12px}
  .fcv-ab-qual{padding:9px}
  .fcv-ab-qual b{font-size:12.5px;margin-top:9px}
  .fcv-ab-qual span{font-size:11px}
  .fcv-ab-apps{grid-template-columns:1fr}
  .fcv-ab-apps a{padding:18px 0;border-right:0;border-bottom:1px solid var(--fcv-line-2)}
  .fcv-ab-apps a:last-child{border-bottom:0}
  .fcv-ab-flow{grid-template-columns:1fr;row-gap:22px}
  .fcv-ab-flow>div{padding-top:18px}
  .fcv-ab-tech .principle{grid-template-columns:repeat(2,1fr);gap:8px}
  .fcv-ab-tech .principle>div{padding:16px 10px}
  .fcv-ab-tech .principle b{font-size:13.5px}
  .fcv-ab-gases{margin-top:16px;gap:7px}
  .fcv-ab-gases span{font-size:12px;padding:7px 10px}
  .fcv-ab-txt .lead{font-size:15.5px;padding-left:14px}
  .fcv-ab-facts dl{grid-template-columns:78px 1fr}
  .fcv-ab-facts dt,.fcv-ab-facts dd{font-size:13px;padding:11px 0}
}

/* =======================================================================
   25. 产品图底色统一
   产品图统一为 #FAFCFF 底、1200×1200 画布、产品最长边占 88%。
   图区容器必须用同一底色，否则图与卡片之间会出现可见的矩形边界
   （原 refine.css 把 .fc-card-img 刷成了 #EEF2F6）。
   ======================================================================= */
.fcv-prod-img,
.fc-card-img,
.idxPro_img,
.MoreNews_img,
.fc-pro-item .fc-pro-img{
  background:#FAFCFF;
}
.fcv-prod-img img,
.fc-card-img img{
  padding:0;
}

/* =======================================================================
   26. 产品详情 · 首屏（图集 + 关键信息）
   原模板把主图缩在中间 40% 宽、缩略图条 90px 绝对定位贴在右侧，
   中间留大片空白并把"所属分类/型号/更新时间"压在背景图上。
   这里改为左图右信息两栏：主图 1:1 大图 + 缩略图横排，右侧放关键信息与询价入口。
   ======================================================================= */
.fcv-pd-hero{background:#fff;border-bottom:1px solid var(--fcv-line)}
.fcv-pd-hero-in{
  display:grid;grid-template-columns:minmax(0,640px) minmax(0,1fr);
  gap:64px;padding:48px 0 64px;align-items:start;
}

/* --- 左：图集 --- */
.fcv-pd-gal{min-width:0}
.fcv-pd-gal .prodetail_list{position:relative;width:100%;height:auto;margin:0;padding:0}
.fcv-pd-gal .mySwiper2{width:100%;height:auto;overflow:hidden}
.fcv-pd-gal .prodetaillist_con{width:100%;height:auto;margin:0;padding:0}
.fcv-pd-gal .prodetaillist_img{
  position:relative;width:100%;height:0;padding-top:100%;
  margin:0;overflow:hidden;background:#FAFCFF;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  box-shadow:none;
}
.fcv-pd-gal .prodetaillist_img img{
  position:absolute;left:0;top:0;right:auto;bottom:auto;
  width:100%;height:100%;max-width:none;max-height:none;
  object-fit:contain;margin:0;padding:6%;
  transition:none;
}
.fcv-pd-gal .prodetaillist_con:hover .prodetaillist_img img{transform:none}

/* 缩略图条：改为横排，跟主图同宽 */
.fcv-pd-gal .mySwiper{
  position:static;width:100%;height:auto;margin:12px 0 0;
  overflow:visible;
}
.fcv-pd-gal .mySwiper .swiper-slide{
  width:112px;height:auto !important;border:0;box-shadow:none;background:none;
}
.fcv-pd-gal .prodetaillist_minimg{
  position:relative;width:100%;height:0;padding-top:100%;
  overflow:hidden;background:#FAFCFF;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  transition:border-color .2s;
}
.fcv-pd-gal .prodetaillist_minimg img{
  position:absolute;left:0;top:0;right:auto;bottom:auto;
  width:100%;height:100%;max-width:none;max-height:none;
  object-fit:contain;margin:0;padding:8%;
}
.fcv-pd-gal .mySwiper .swiper-slide:hover .prodetaillist_minimg{border-color:#B9C6D6}
.fcv-pd-gal .mySwiper .swiper-slide-thumb-active .prodetaillist_minimg{
  border-color:var(--fcv-brand);
  box-shadow:0 0 0 1px var(--fcv-brand) inset;
}

/* 左右切换按钮：白底细边圆形，压在主图两侧 */
.fcv-pd-gal .swiper-button-prev,
.fcv-pd-gal .swiper-button-next{
  width:40px !important;height:40px !important;
  margin:0 !important;top:50%;transform:translateY(-50%);
  background:#fff;border:1px solid var(--fcv-line);border-radius:50%;
  box-shadow:0 2px 10px rgba(16,36,64,.10);
  transition:background .2s,border-color .2s;
}
.fcv-pd-gal .swiper-button-prev{left:14px}
.fcv-pd-gal .swiper-button-next{right:14px}
.fcv-pd-gal .swiper-button-prev:hover,
.fcv-pd-gal .swiper-button-next:hover{border-color:var(--fcv-brand);background:#fff}
.fcv-pd-gal .swiper-button-prev:after,
.fcv-pd-gal .swiper-button-next:after{
  content:"";display:block;width:8px;height:8px;
  border-top:2px solid var(--fcv-ink-2);border-left:2px solid var(--fcv-ink-2);
  font-size:0;
}
.fcv-pd-gal .swiper-button-prev:after{margin-left:3px;transform:rotate(-45deg)}
.fcv-pd-gal .swiper-button-next:after{margin-right:3px;transform:rotate(135deg)}
.fcv-pd-gal .swiper-button-prev:hover:after,
.fcv-pd-gal .swiper-button-next:hover:after{border-color:var(--fcv-brand)}
.fcv-pd-gal .swiper-button-disabled{opacity:.35}

/* --- 右：关键信息 --- */
.fcv-pd-meta{min-width:0;padding-top:6px}
.fcv-pd-h1{
  margin:0;font-size:30px;line-height:1.35;font-weight:700;
  color:var(--fcv-ink);letter-spacing:-.2px;
}
.fcv-pd-sub{
  margin:12px 0 0;font-size:14px;color:var(--fcv-ink-3);
  letter-spacing:.2px;
}
.fcv-pd-spec{margin:26px 0 0;padding:0;border-top:1px solid var(--fcv-line)}
.fcv-pd-spec>div{
  display:grid;grid-template-columns:92px minmax(0,1fr);
  gap:16px;padding:13px 0;border-bottom:1px solid var(--fcv-line-2);
}
.fcv-pd-spec dt{margin:0;font-size:13.5px;color:var(--fcv-ink-3);line-height:1.6}
.fcv-pd-spec dd{margin:0;font-size:14px;color:var(--fcv-ink);line-height:1.6;font-weight:500}
.fcv-pd-spec dd a{color:var(--fcv-brand)}
.fcv-pd-spec dd a:hover{text-decoration:underline}
.fcv-pd-acts{display:flex;flex-direction:column;gap:12px;margin:30px 0 0}
.fcv-pd-btn{
  display:flex;align-items:center;justify-content:center;
  height:52px;border-radius:var(--fcv-r);
  background:var(--fcv-brand);color:#fff;
  font-size:16px;font-weight:600;letter-spacing:.5px;
  transition:background .2s;
}
.fcv-pd-btn:hover{background:var(--fcv-brand-d);color:#fff}
.fcv-pd-tel{
  display:flex;align-items:center;justify-content:center;gap:10px;
  height:52px;border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  color:var(--fcv-ink-3);font-size:13px;
  transition:border-color .2s;
}
.fcv-pd-tel:hover{border-color:#B9C6D6}
.fcv-pd-tel b{
  font-family:var(--fcv-num);font-size:19px;font-weight:600;
  color:var(--fcv-ink);letter-spacing:.5px;
}
.fcv-pd-badges{
  display:flex;flex-wrap:wrap;gap:8px;
  margin:24px 0 0;padding:0;list-style:none;
}
.fcv-pd-badges li{
  padding:6px 11px;border:1px solid var(--fcv-line-2);border-radius:3px;
  background:var(--fcv-bg-2);color:var(--fcv-ink-2);
  font-size:12.5px;line-height:1.4;
}

@media (max-width:1180px){
  .fcv-pd-hero-in{grid-template-columns:minmax(0,520px) minmax(0,1fr);gap:40px}
  .fcv-pd-h1{font-size:26px}
}
@media (max-width:900px){
  .fcv-pd-hero-in{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 44px}
  .fcv-pd-gal{max-width:560px;width:100%;margin:0 auto}
  .fcv-pd-spec{margin-top:22px}
  .fcv-pd-acts{margin-top:24px}
}
@media (max-width:768px){
  .fcv-pd-h1{font-size:22px;line-height:1.4}
  .fcv-pd-sub{font-size:13px;margin-top:8px}
  .fcv-pd-spec>div{grid-template-columns:80px minmax(0,1fr);gap:12px;padding:11px 0}
  .fcv-pd-spec dt,.fcv-pd-spec dd{font-size:13px}
  .fcv-pd-btn,.fcv-pd-tel{height:48px}
  .fcv-pd-tel b{font-size:17px}
  .fcv-pd-badges li{font-size:12px;padding:5px 9px}
  .fcv-pd-gal .swiper-button-prev,
  .fcv-pd-gal .swiper-button-next{width:34px !important;height:34px !important}
  .fcv-pd-gal .swiper-button-prev{left:8px}
  .fcv-pd-gal .swiper-button-next{right:8px}
  .fcv-pd-gal .mySwiper .swiper-slide{width:76px}
}

/* =======================================================================
   27. 文章详情页（新闻 / 应用领域 / 工程案例 共用 news.html）
   ======================================================================= */
.fcv-art{background:#fff;border-bottom:1px solid var(--fcv-line)}
.fcv-art-in{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:56px;padding:40px 0 72px;align-items:start;
}
.fcv-art-t{margin:0;font-size:30px;line-height:1.4;font-weight:700;color:var(--fcv-ink)}
.fcv-art-meta{
  display:flex;flex-wrap:wrap;gap:8px 20px;
  margin:16px 0 0;padding:0 0 18px;border-bottom:1px solid var(--fcv-line);
  list-style:none;
}
.fcv-art-meta span,.fcv-art-meta a{font-size:13px;color:var(--fcv-ink-3)}
.fcv-art-meta a{color:var(--fcv-brand)}
.fcv-art-body{margin-top:28px}
.fcv-art-body img{max-width:100%;height:auto}
.fcv-art-body table{width:100%;border-collapse:collapse;font-size:14px;margin:12px 0}
.fcv-art-body table th,.fcv-art-body table td{border:1px solid var(--fcv-line);padding:9px 12px;text-align:left}
.fcv-art-body table th{background:var(--fcv-bg-2);color:var(--fcv-ink);font-weight:600}
.fcv-art-nav{
  display:grid;grid-template-columns:1fr 1fr;gap:16px;
  margin:44px 0 0;padding-top:24px;border-top:1px solid var(--fcv-line);
}
.fcv-art-nav-i{min-width:0;font-size:13.5px;color:var(--fcv-ink-3)}
.fcv-art-nav-i span{display:inline-block;margin-right:10px}
.fcv-art-nav-i a{
  display:inline-block;max-width:82%;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;vertical-align:bottom;color:var(--fcv-ink);
}
.fcv-art-nav-i:hover a{color:var(--fcv-brand)}

/* 侧栏 */
.fcv-art-side{position:sticky;top:100px;display:flex;flex-direction:column;gap:18px}
.fcv-art-card{border:1px solid var(--fcv-line);border-radius:var(--fcv-r);padding:22px 20px;background:#fff}
.fcv-art-card-cta{background:var(--fcv-navy);border-color:var(--fcv-navy)}
.fcv-art-card-t{margin:0;font-size:16px;font-weight:700;color:var(--fcv-ink)}
.fcv-art-card-cta .fcv-art-card-t{color:#fff}
.fcv-art-card-p{margin:10px 0 0;font-size:13.5px;line-height:1.8;color:var(--fcv-ink-2)}
.fcv-art-card-cta .fcv-art-card-p{color:rgba(255,255,255,.72)}
.fcv-art-card-btn{
  display:block;margin-top:16px;height:44px;line-height:44px;text-align:center;
  background:var(--fcv-brand);color:#fff;border-radius:var(--fcv-r);
  font-size:15px;font-weight:600;transition:background .2s;
}
.fcv-art-card-btn:hover{background:var(--fcv-brand-d);color:#fff}
.fcv-art-card-tel{margin-top:14px;display:flex;align-items:baseline;gap:10px;flex-wrap:wrap}
.fcv-art-card-tel span{font-size:12.5px;color:rgba(255,255,255,.6)}
.fcv-art-card-tel b{font-family:var(--fcv-num);font-size:20px;color:#fff;letter-spacing:.5px}
.fcv-art-rel{margin:12px 0 0;padding:0;list-style:none}
.fcv-art-rel li{padding:11px 0;border-bottom:1px dashed var(--fcv-line)}
.fcv-art-rel li:last-child{border-bottom:0}
.fcv-art-rel a{display:block;font-size:14px;line-height:1.6;color:var(--fcv-ink);transition:color .2s}
.fcv-art-rel a:hover{color:var(--fcv-brand)}
.fcv-art-rel span{display:block;margin-top:5px;font-size:12px;color:var(--fcv-ink-3);font-family:var(--fcv-num)}

/* =======================================================================
   28. 案例列表 / 新闻资讯列表
   ======================================================================= */
.fcv-caselist,.fcv-newslist{background:#fff;padding:40px 0 72px}
.fcv-groups{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 26px}
.fcv-groups a{
  font-size:14px;color:var(--fcv-ink-2);border:1px solid var(--fcv-line);
  background:#fff;border-radius:22px;padding:8px 20px;transition:.2s;
}
.fcv-groups a:hover,.fcv-groups a.on{background:var(--fcv-brand);border-color:var(--fcv-brand);color:#fff}

.fcv-cl-grid,.fcv-nl-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;margin:0;padding:0;list-style:none;
}
.fcv-cl,.fcv-nl{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  overflow:hidden;transition:.25s;
}
.fcv-cl:hover,.fcv-nl:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 26px rgba(16,36,64,.10);
  border-color:#C9D8EC;
}
.fcv-cl-img,.fcv-nl-img{display:block;height:208px;background:#FAFCFF;overflow:hidden}
.fcv-cl-img img,.fcv-nl-img img{width:100%;height:100%;object-fit:cover;display:block;transition:.4s}
.fcv-cl:hover .fcv-cl-img img,.fcv-nl:hover .fcv-nl-img img{transform:scale(1.04)}
.fcv-cl-body,.fcv-nl-body{padding:18px 20px 20px;display:flex;flex-direction:column;flex:1}
.fcv-cl-tag{
  align-self:flex-start;padding:3px 9px;border-radius:3px;
  background:var(--fcv-brand-soft);color:var(--fcv-brand);font-size:12px;
}
.fcv-cl-t,.fcv-nl-t{
  margin:12px 0 0;font-size:16px;line-height:1.5;font-weight:600;color:var(--fcv-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fcv-nl-t{margin-top:0;font-size:15.5px}
.fcv-cl-t:hover,.fcv-nl-t:hover{color:var(--fcv-brand)}
.fcv-cl-d,.fcv-nl-d{
  margin:10px 0 0;font-size:13.5px;line-height:1.8;color:var(--fcv-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1;
}
.fcv-cl-foot,.fcv-nl-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--fcv-line-2);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--fcv-ink-3);
}
.fcv-cl-foot a,.fcv-nl-foot a{color:var(--fcv-brand)}

@media (max-width:1180px){
  .fcv-art-in{grid-template-columns:minmax(0,1fr) 290px;gap:40px}
  .fcv-art-t{font-size:26px}
  .fcv-cl-grid,.fcv-nl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:980px){
  .fcv-art-in{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 56px}
  .fcv-art-side{position:static;flex-direction:row;flex-wrap:wrap}
  .fcv-art-side>*{flex:1 1 280px}
}
@media (max-width:768px){
  .fcv-caselist,.fcv-newslist{padding:28px 0 48px}
  .fcv-art-t{font-size:22px;line-height:1.45}
  .fcv-art-body{margin-top:22px}
  .fcv-art-nav{grid-template-columns:1fr;gap:10px;margin-top:32px}
  .fcv-art-nav-i a{max-width:100%}
  .fcv-cl-grid,.fcv-nl-grid{grid-template-columns:minmax(0,1fr);gap:18px}
  .fcv-cl-img,.fcv-nl-img{height:186px}
  .fcv-groups a{font-size:13px;padding:6px 16px}
}

/* 视频播放器（视频详情页） */
.fcv-video{position:relative;width:100%;padding-top:56.25%;margin:0 0 24px;background:#000;border-radius:var(--fcv-r);overflow:hidden}
.fcv-video video{position:absolute;left:0;top:0;width:100%;height:100%;object-fit:contain;display:block;background:#000}

/* =======================================================================
   29. 视频中心列表
   ======================================================================= */
.fcv-videos{background:#fff;padding:40px 0 72px}
.fcv-vl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin:0;padding:0;list-style:none}
.fcv-vl{
  display:flex;flex-direction:column;background:#fff;
  border:1px solid var(--fcv-line);border-radius:var(--fcv-r);overflow:hidden;transition:.25s;
}
.fcv-vl:hover{transform:translateY(-4px);box-shadow:0 10px 26px rgba(16,36,64,.10);border-color:#C9D8EC}
.fcv-vl-img{display:block;position:relative;aspect-ratio:16/9;background:#0A1421;overflow:hidden}
.fcv-vl-img img{width:100%;height:100%;object-fit:cover;display:block;transition:.4s}
.fcv-vl:hover .fcv-vl-img img{transform:scale(1.04)}
.fcv-vl-play{
  position:absolute;left:50%;top:50%;width:54px;height:54px;
  margin:-27px 0 0 -27px;border-radius:50%;
  background:rgba(255,255,255,.92);box-shadow:0 4px 14px rgba(0,0,0,.28);
  transition:transform .2s;
}
.fcv-vl:hover .fcv-vl-play{transform:scale(1.08)}
.fcv-vl-play::after{
  content:"";position:absolute;left:50%;top:50%;width:0;height:0;
  margin:-8px 0 0 -6px;
  border-left:13px solid var(--fcv-brand);
  border-top:8px solid transparent;border-bottom:8px solid transparent;
}
.fcv-vl-body{padding:16px 18px 18px}
.fcv-vl-t{display:block;font-size:15.5px;line-height:1.55;font-weight:600;color:var(--fcv-ink)}
.fcv-vl-t:hover{color:var(--fcv-brand)}
.fcv-vl-foot{
  margin-top:12px;padding-top:12px;border-top:1px solid var(--fcv-line-2);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--fcv-ink-3);
}
.fcv-vl-foot a{color:var(--fcv-brand)}
@media (max-width:1180px){
  .fcv-vl-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .fcv-videos{padding:28px 0 48px}
  .fcv-vl-grid{grid-template-columns:minmax(0,1fr);gap:18px}
}

/* 站内搜索结果页 */
.fcv-search{background:#fff;padding:40px 0 72px}
.fcv-cl-h{margin:0 0 24px;font-size:20px;font-weight:700;color:var(--fcv-ink)}
@media (max-width:768px){
  .fcv-search{padding:28px 0 48px}
  .fcv-cl-h{font-size:18px}
}

/* =======================================================================
   30. 联系我们（表单 + 联系信息）
   ======================================================================= */
.fcv-contact{background:#fff;padding:44px 0 72px}
.fcv-contact-in{display:grid;grid-template-columns:minmax(0,1fr) 440px;gap:56px;align-items:start}
.fcv-contact-h1{margin:0;font-size:30px;line-height:1.35;font-weight:700;color:var(--fcv-ink)}
.fcv-contact-sub{margin:12px 0 0;font-size:15px;color:var(--fcv-ink-3)}
.fcv-contact-info{margin-top:28px}
.fcv-contact-tips{
  margin:26px 0 0;padding:20px 22px;border:1px solid var(--fcv-line);
  border-radius:var(--fcv-r);background:var(--fcv-bg-2);
  font-size:14px;line-height:1.9;color:var(--fcv-ink-2);
}
.fcv-contact-tips p{margin:0 0 8px}
.fcv-contact-tips p:last-child{margin-bottom:0}
.fcv-contact-tips b{color:var(--fcv-ink)}
.fcv-contact-tips a{color:var(--fcv-brand)}
.fcv-contact-badges{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0;padding:0;list-style:none}
.fcv-contact-badges li{
  padding:6px 11px;border:1px solid var(--fcv-line-2);border-radius:3px;
  background:#fff;color:var(--fcv-ink-2);font-size:12.5px;
}
.fcv-form{
  position:sticky;top:100px;border:1px solid var(--fcv-line);
  border-radius:var(--fcv-r);padding:26px 24px 28px;background:#fff;
}
.fcv-form-h2{margin:0;font-size:19px;font-weight:700;color:var(--fcv-ink)}
.fcv-form-p{margin:8px 0 0;font-size:13.5px;line-height:1.7;color:var(--fcv-ink-3)}
.fcv-form ul{margin:20px 0 0;padding:0;list-style:none}
.fcv-form li{margin:0 0 12px}
.fcv-form input,.fcv-form textarea{
  width:100%;border:1px solid var(--fcv-line);border-radius:var(--fcv-r);
  padding:0 14px;font-size:14px;color:var(--fcv-ink);background:#fff;
  font-family:inherit;transition:border-color .2s;
}
.fcv-form input{height:46px}
.fcv-form textarea{height:124px;padding:12px 14px;line-height:1.7;resize:vertical}
.fcv-form input:focus,.fcv-form textarea:focus{outline:none;border-color:var(--fcv-brand)}
.fcv-form input::placeholder,.fcv-form textarea::placeholder{color:#A9B4C2}
.fcv-form .fcv-form-btn{
  width:100%;height:48px;border:0;border-radius:var(--fcv-r);
  background:var(--fcv-brand);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background .2s;
}
.fcv-form .fcv-form-btn:hover{background:var(--fcv-brand-d)}
@media (max-width:1180px){
  .fcv-contact-in{grid-template-columns:minmax(0,1fr) 380px;gap:40px}
  .fcv-contact-h1{font-size:26px}
}
@media (max-width:980px){
  .fcv-contact-in{grid-template-columns:minmax(0,1fr);gap:32px;padding:32px 0 56px}
  .fcv-form{position:static}
}
@media (max-width:768px){
  .fcv-contact{padding:28px 0 48px}
  .fcv-contact-h1{font-size:22px;line-height:1.4}
}

/* =======================================================================
   31. 友情链接（并入首页 CTA 深色区底部）
   ======================================================================= */
.fcv-cta-links{position:relative;z-index:2;border-top:1px solid var(--fcv-line-dark)}
.fcv-cta-links .fcv-wrap{
  display:flex;align-items:center;justify-content:flex-start;gap:14px;flex-wrap:wrap;
  padding:15px 0 18px;
}
.fcv-cta-links .lb{
  flex:none;font-size:12px;color:rgba(255,255,255,.34);
  letter-spacing:.08em;line-height:1.8;
}
.fcv-cta-links p{
  margin:0;display:flex;flex-wrap:wrap;gap:2px 18px;
  font-size:12.5px;line-height:1.9;
}
.fcv-cta-links a{color:rgba(255,255,255,.50);transition:color .2s;white-space:nowrap}
.fcv-cta-links a:hover{color:#fff}
@media (max-width:768px){
  .fcv-cta-links .fcv-wrap{gap:8px;padding:12px 0 14px}
  .fcv-cta-links .lb{font-size:11.5px}
  .fcv-cta-links p{gap:2px 14px;font-size:12px}
}

/* =======================================================================
   32. 首页产品分类：悬停切换产品组 + 资质墙只展示一排
   ======================================================================= */
/* .fcv-prods 的直接子元素变成"分组"，网格交给 .fcv-pgroup 自己 */
.fcv-prods{display:block}
.fcv-prods .fcv-pgroup{
  display:none;
  grid-template-columns:repeat(4,1fr);gap:20px;
}
.fcv-prods .fcv-pgroup:first-child{display:grid}
/* JS 接管后，:first-child 兜底失效，只显示激活的那一组 */
.fcv-prods.is-js .fcv-pgroup:first-child{display:none}
.fcv-prods.is-js .fcv-pgroup.is-on{display:grid}
.fcv-cat.is-on::after{transform:scaleX(1)}
.fcv-cat.is-on{background:var(--fcv-bg-2)}
@media (max-width:1180px){
  .fcv-prods .fcv-pgroup{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:768px){
  .fcv-prods .fcv-pgroup{grid-template-columns:minmax(0,1fr);gap:12px}
}

/* =======================================================================
   33. 移动端优化
   33.1 首页产品卡：单列横排（手机端）
   33.2 首页分类卡：奇数个时最后一个占满整行 + 保留序号
   33.3 选型对照表：桌面固定列宽 + 手机端转卡片
   ======================================================================= */

/* ---- 33.1 产品卡（手机端单列，图左文右） ---- */
@media (max-width:768px){
  .fcv-prods .fcv-pgroup{grid-template-columns:minmax(0,1fr);gap:12px}
  .fcv-prod{flex-direction:row;align-items:stretch}
  .fcv-prod:hover{transform:none}
  .fcv-prod-img{
    width:116px;flex:none;align-self:stretch;
    aspect-ratio:auto;min-height:116px;
  }
  .fcv-prod-img img{padding:6%}
  .fcv-prod-bd{
    padding:12px 14px;border-top:0;border-left:1px solid var(--fcv-line-2);
    flex:1;justify-content:center;
  }
  .fcv-prod-name{min-height:0;font-size:14.5px}
  .fcv-prod-model{margin-top:6px;font-size:11.5px}
  .fcv-prod-go{margin-top:10px;font-size:12.5px}
}

/* ---- 33.2 分类卡（手机端） ---- */
@media (max-width:768px){
  .fcv-cats{grid-template-columns:1fr 1fr}
  /* 奇数个分类时，最后一个占满整行，避免留半格空白 */
  .fcv-cat:last-child:nth-child(odd){grid-column:1 / -1}
  /* 只隐藏英文副标题；序号 .n 之前被 .fcv-cat span{display:none} 一起隐藏了，要显式放出来 */
  .fcv-cat > span:not(.n){display:none}
  .fcv-cat .n{display:block;margin-bottom:8px}
  .fcv-cat{padding:16px 14px}
}

/* ---- 33.3 选型对照表（应用领域总览页） ---- */
.fcv-soltbl{
  width:100%;table-layout:fixed;margin:16px 0 6px;
  font-size:13.5px;border-collapse:collapse;
}
.fcv-soltbl th{
  background:var(--fcv-bg-2);color:var(--fcv-ink);font-weight:600;
  text-align:left;padding:12px 14px;border:1px solid var(--fcv-line);width:auto;
}
.fcv-soltbl td{
  padding:12px 14px;border:1px solid var(--fcv-line);
  color:var(--fcv-ink-2);line-height:1.75;vertical-align:top;
}
.fcv-soltbl th:nth-child(1),.fcv-soltbl td:nth-child(1){width:17%}
.fcv-soltbl th:nth-child(2),.fcv-soltbl td:nth-child(2){width:20%}
.fcv-soltbl th:nth-child(3),.fcv-soltbl td:nth-child(3){width:30%}
.fcv-soltbl th:nth-child(4),.fcv-soltbl td:nth-child(4){width:33%}
.fcv-soltbl tbody tr:nth-child(even) td{background:var(--fcv-bg-2)}
.fcv-soltbl tbody tr:hover td{background:#F1F6FC}
.fcv-soltbl td:first-child{color:var(--fcv-ink);font-weight:600}

@media (max-width:900px){
  .fcv-soltbl,.fcv-soltbl tbody,.fcv-soltbl tr,.fcv-soltbl td{display:block;width:auto}
  /* 桌面端的百分比列宽在转成块级后必须全部清掉，否则每格只剩 17%~33% 宽 */
  .fcv-soltbl th:nth-child(n),.fcv-soltbl td:nth-child(n){width:auto}
  .fcv-soltbl thead{display:none}
  .fcv-soltbl tbody tr{
    margin:0 0 14px;border:1px solid var(--fcv-line);
    border-radius:var(--fcv-r);background:#fff;overflow:hidden;
  }
  .fcv-soltbl tbody tr:nth-child(even) td,
  .fcv-soltbl tbody tr:hover td{background:#fff}
  .fcv-soltbl td{border:0;border-bottom:1px solid var(--fcv-line-2);padding:11px 14px}
  .fcv-soltbl tr td:last-child{border-bottom:0}
  .fcv-soltbl td[data-label]::before{
    content:attr(data-label);display:block;margin-bottom:3px;
    font-size:12px;color:var(--fcv-ink-3);letter-spacing:.02em;
  }
  .fcv-soltbl td:first-child{
    background:var(--fcv-bg-2);padding:13px 14px;
    font-size:15px;font-weight:600;color:var(--fcv-ink);
  }
  .fcv-soltbl td:first-child::before{display:none}
}

/* =======================================================================
   34. Swiper 箭头图标（站点未部署 swiper 图标字体，改用 CSS 画箭头）
   swiper-bundle.min.css 的 @font-face 指向 /skin/fonts/*.woff，该文件服务器上不存在，
   任何用到 swiper 翻页箭头的页面都会产生 404。这里直接用边框画箭头，顺带消除该请求。
   ======================================================================= */
.swiper-button-next:after,
.swiper-button-prev:after{
  content:"";width:11px;height:11px;font-size:0;
  border-top:2px solid var(--swiper-navigation-color,#007aff);
  border-right:2px solid var(--swiper-navigation-color,#007aff);
}
.swiper-button-next:after{transform:rotate(45deg)}
.swiper-button-prev:after{transform:rotate(-135deg)}