/* =====================================================
   凯乐普（上海）工业技术有限公司 CANOP — 全站样式
   风格底座：对标 advancedtech.com 的浅色企业风
   品牌红 #BE1E2D + 深藏青 #1E3A5C + Inter 字体栈 + 方角薄边框
   ===================================================== */

/* ===================== 设计变量 ===================== */
:root{
  --red:#BE1E2D;
  --red-dark:#9E1926;
  --red-tint:#FBEDEF;
  --navy:#1E3A5C;
  --navy-dark:#16293F;
  --navy-tint:#EEF2F7;
  --ink:#111417;
  --body:#565656;
  --muted:#767676;
  --faint:#9A9A9A;
  --bg:#F5F5F5;
  --surface:#FFFFFF;
  --line:#E4E4E4;
  --line-dark:#CFCFCF;
  --green:#1F9D55;
  --amber:#C77700;
  --blue:#2F6FBA;
  --mono:'Inter',-apple-system,'Segoe UI','PingFang SC','Microsoft YaHei',sans-serif;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --radius:0px;
  --shadow:0 10px 30px rgba(17,20,23,.08);
  --shadow-lg:0 18px 44px rgba(17,20,23,.14);
  --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--sans);
  color:var(--body);
  background:var(--surface);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%;}
a{color:inherit;text-decoration:none;}
ul,ol{list-style:none;}
li{list-style:none;}
button{font-family:var(--sans);}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}
.mono{font-family:var(--mono);}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}

/* 通用小组件：红色细标签（ATS 式 eyebrow） */
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.18em;
  color:var(--red);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--red);flex-shrink:0;}
.eyebrow.on-dark{color:#fff;}
.eyebrow.on-dark::before{background:#fff;}
.hero .eyebrow.on-dark{color:var(--red);}
.hero .eyebrow.on-dark::before{background:var(--red);}

/* 分隔细线（原黄黑斜纹位置改为品牌红细线） */
.hazard-strip{
  height:4px;
  background:var(--red);
}

/* 按钮：方角、实色 */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:13px 30px;border-radius:0;
  font-size:15.5px;font-weight:600;cursor:pointer;border:0;
  transition:background .18s,color .18s,border-color .18s,transform .18s;
}
.btn svg{width:18px;height:18px;flex-shrink:0;}
.btn-primary{background:var(--red);color:#fff;}
.btn-primary:hover{background:var(--red-dark);transform:translateY(-1px);}
.btn-black{background:var(--ink);color:#fff;}
.btn-black:hover{background:#000;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--line-dark);}
.btn-ghost:hover{border-color:var(--red);color:var(--red);}
.cta-band .btn-ghost,
.hero .btn-ghost{color:var(--ink);}
.btn-outline{background:transparent;color:var(--red);border:1px solid var(--red);}
.btn-outline:hover{background:var(--red);color:#fff;transform:translateY(-1px);}
.btn .arr{transition:transform .2s;}
.btn:hover .arr{transform:translateX(4px);}

/* =====================================================
   顶部导航（常白、细底边）
   ===================================================== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:#fff;color:var(--ink);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(17,20,23,.08);}
.nav-inner{
  max-width:var(--container);margin:0 auto;padding:0 28px;
  height:76px;display:flex;align-items:center;gap:22px;
}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-logo{height:48px;width:auto;border-radius:8px;display:block;flex-shrink:0;}
.brand-name{font-weight:800;font-size:14.5px;letter-spacing:0;line-height:1.3;display:block;color:var(--ink);white-space:nowrap;}
.brand-sub{font-family:var(--mono);font-size:9px;letter-spacing:.18em;color:var(--faint);margin-top:1px;display:block;white-space:nowrap;text-transform:uppercase;}

.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto;}
.nav-menu > li{position:relative;}
.nav-menu > li > a{
  display:flex;align-items:center;gap:5px;
  padding:9px 13px;font-size:15px;font-weight:500;border-radius:0;
  color:var(--ink);
  transition:color .18s,background .18s;white-space:nowrap;
}
.nav-menu > li > a .caret{width:14px;height:14px;transition:transform .25s;}
.nav-menu > li > a:hover{color:var(--red);background:var(--red-tint);}
.nav-menu > li.active > a{color:var(--red);font-weight:600;}
.nav-menu > li:hover > a .caret{transform:rotate(180deg);}

/* 大菜单下拉 */
.mega{
  position:absolute;top:calc(100% + 12px);left:50%;transform:translateX(-50%) translateY(8px);
  width:660px;background:#fff;border-radius:0;box-shadow:var(--shadow-lg);
  border:1px solid var(--line);border-top:2px solid var(--red);padding:22px;
  display:grid;grid-template-columns:1fr 1fr;gap:4px;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .2s,transform .2s,visibility .2s;
  color:var(--body);
}
/* 透明悬停桥：覆盖 li 与面板间 12px 间隙，否则鼠标下移时 hover 丢失、面板无法点击 */
.mega::before{content:"";position:absolute;left:0;right:0;top:-14px;height:14px;}
.nav-menu > li:hover .mega,.nav-menu > li.open .mega{
  opacity:1;visibility:visible;pointer-events:auto;transform:translateX(-50%) translateY(0);
}
.mega a{
  display:flex;gap:13px;padding:12px 14px;border-radius:0;transition:background .18s;align-items:flex-start;
}
.mega a:hover{background:var(--bg);}
.mega a > span:last-child{flex:1;min-width:0;}
.mega .m-ic{
  width:40px;height:40px;border-radius:0;flex-shrink:0;
  background:var(--navy-tint);
  display:flex;align-items:center;justify-content:center;color:var(--red);
}
.mega .m-ic svg{width:20px;height:20px;}
.mega .m-t{display:block;font-size:14.5px;font-weight:700;color:var(--ink);line-height:1.4;}
.mega .m-d{display:block;font-size:12.5px;color:var(--muted);line-height:1.55;margin-top:2px;}

/* 导航右侧动作区：联系我们 | 电话（ATS 式红色文字） */
.nav-actions{display:flex;align-items:center;gap:18px;flex-shrink:0;}
.lang-switch{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border:1px solid var(--line-dark);border-radius:0;
  background:none;color:var(--ink);cursor:pointer;
  font-family:var(--sans);font-size:13px;font-weight:600;letter-spacing:.06em;
  transition:color .18s,border-color .18s,background .18s;
}
.lang-switch:hover{border-color:var(--red);color:var(--red);}
.lang-switch svg{width:15px;height:15px;}
.nav-hotline{
  display:flex;align-items:center;gap:9px;
  padding:0;border:0;border-left:1px solid var(--line-dark);border-radius:0;
  padding-left:18px;
  font-family:var(--sans);font-size:16px;font-weight:600;color:var(--red);white-space:nowrap;
  transition:color .18s;
}
.nav-hotline:hover{color:var(--red-dark);}
.nav-hotline svg{width:16px;height:16px;}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;
  border:1px solid var(--line-dark);border-radius:0;background:none;color:var(--ink);
  cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle svg{width:20px;height:20px;}
/* 英文版导航文字更长，桌面端收紧品牌名/菜单/热线字号与间距，保证内容回到 1200px 容器内、左右留白与中文版一致 */
@media (min-width:1025px){
  body[data-lang="en"] .nav-inner{gap:16px;}
  body[data-lang="en"] .brand-name{font-size:12.5px;}
  body[data-lang="en"] .nav-menu{gap:0;}
  body[data-lang="en"] .nav-menu > li > a{padding:9px 10px;font-size:14px;}
  body[data-lang="en"] .nav-actions{gap:12px;}
  body[data-lang="en"] .lang-switch{padding:7px 12px;}
  body[data-lang="en"] .nav-hotline{font-size:14.5px;padding-left:14px;}
}

/* =====================================================
   首页 Hero（沉浸式全幅图片轮播）
   ===================================================== */
.hero{
  position:relative;overflow:hidden;color:#fff;
  /* isolation：轮播层带 scale transform，收敛为独立层叠上下文，防止个别内核将其绘制到下方统计条之上 */
  isolation:isolate;
  height:calc(100vh - var(--header-h,72px));min-height:600px;max-height:900px;
  background:var(--navy);
}
.hero-slides{position:absolute;inset:0;z-index:0;}
.hero-slide{
  position:absolute;inset:0;display:flex;align-items:center;
  background-size:cover;background-position:center;background-repeat:no-repeat;
  opacity:0;visibility:hidden;transform:scale(1.07);
  transition:opacity 1.2s ease,transform 9s ease-out,visibility 1.2s;
}
.hero-slide::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(10,16,24,.9) 0%,rgba(10,16,24,.66) 40%,rgba(10,16,24,.16) 76%,rgba(10,16,24,.34) 100%),
    linear-gradient(0deg,rgba(10,16,24,.55) 0%,transparent 42%);
}
.hero-slide.active{opacity:1;visibility:visible;transform:scale(1);z-index:1;}
.hero-inner{position:relative;z-index:2;width:100%;}
.hero-caption{max-width:680px;padding:96px 0;}
.hero .eyebrow{color:rgba(255,255,255,.86);}
.hero .eyebrow::before{background:var(--red);}
.hero h1{
  font-size:clamp(30px,5vw,56px);font-weight:800;line-height:1.16;letter-spacing:0;
  color:#fff;margin:18px 0 20px;text-shadow:0 2px 20px rgba(0,0,0,.25);
}
.hero h1 .hl{color:#fff;box-shadow:inset 0 -.16em 0 var(--red);}
.hero-lead{font-size:clamp(15px,1.5vw,18px);color:rgba(255,255,255,.9);max-width:560px;line-height:1.7;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;}
.hero-cta .btn-ghost{color:#fff;border-color:rgba(255,255,255,.72);background:transparent;}
.hero-cta .btn-ghost:hover{background:#fff;color:var(--ink);}
.hero-arrow{
  position:absolute;top:50%;transform:translateY(-50%);z-index:4;
  width:46px;height:46px;border:1px solid rgba(255,255,255,.4);
  background:rgba(10,16,24,.28);color:#fff;display:flex;align-items:center;justify-content:center;
  cursor:pointer;transition:background .18s,border-color .18s;backdrop-filter:blur(2px);
}
.hero-arrow:hover{background:var(--red);border-color:var(--red);}
.hero-arrow.prev{left:22px;}.hero-arrow.next{right:22px;}
.hero-arrow svg{width:22px;height:22px;}
.hero-indicator{position:absolute;right:26px;bottom:30px;z-index:4;color:#fff;font-family:var(--mono);display:flex;align-items:baseline;gap:10px;}
.hero-indicator .cur{font-size:26px;font-weight:700;}
.hero-indicator .sep{opacity:.5;}
.hero-indicator .tot{font-size:14px;color:rgba(255,255,255,.62);}
.hero-dots{position:absolute;left:50%;bottom:30px;transform:translateX(-50%);z-index:4;display:flex;gap:10px;}
.hero-dots button{width:38px;height:4px;border:0;cursor:pointer;background:rgba(255,255,255,.35);transition:background .25s;padding:0;}
.hero-dots button.active{background:var(--red);}
.hero-scroll{position:absolute;left:calc(50% + 34px);bottom:26px;z-index:4;color:rgba(255,255,255,.7);font-family:var(--mono);font-size:11px;letter-spacing:.24em;text-transform:uppercase;display:none;}
.hero-stats{position:relative;z-index:3;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:flex;flex-wrap:wrap;padding:30px 0;}
.hero-stats .container{display:flex;flex-wrap:wrap;}
.hero-stats .stat{flex:1;min-width:150px;padding:0 22px;border-left:1px solid var(--line);}
.hero-stats .stat:first-child{border-left:0;padding-left:0;}
.hero-stats .num{font-family:var(--mono);font-size:30px;font-weight:700;color:var(--ink);line-height:1.25;}
.hero-stats .num::after{content:"";display:block;width:26px;height:3px;background:var(--red);margin-top:8px;}
.hero-stats .lbl{font-size:13px;color:var(--muted);margin-top:10px;}

/* =====================================================
   客户条（浅灰横带 + 大写小标签）
   ===================================================== */
.client-strip{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:var(--body);padding:36px 0;}
.cs-label{font-family:var(--sans);font-size:12px;font-weight:600;letter-spacing:.2em;color:var(--faint);text-align:center;margin-bottom:20px;text-transform:uppercase;}
.cs-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));justify-items:center;gap:14px 10px;}
.cs-row span{font-size:15px;font-weight:700;color:var(--muted);display:inline-flex;align-items:center;gap:8px;text-align:center;transition:color .18s;}
.cs-row span:hover{color:var(--red);}
.cs-row span::before{content:"";width:6px;height:6px;background:var(--red);flex-shrink:0;opacity:.85;}

/* =====================================================
   通用区块
   ===================================================== */
.section{padding:96px 0;}
.section.alt{background:var(--bg);}
.section.navy{background:var(--navy);color:#fff;}
.sec-head{max-width:780px;margin-bottom:52px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-head.center .eyebrow{justify-content:center;}
.sec-head h2{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.28;color:var(--ink);margin:14px 0 14px;}
.sec-head .sec-sub{color:var(--body);font-size:16px;}
.sec-head .sec-sub strong{color:var(--ink);}
.section.navy .sec-head .sec-sub{color:rgba(255,255,255,.78);}
.section.navy .sec-head h2{color:#fff;}
.sec-more{margin-top:6px;}

/* =====================================================
   视觉块（浅色图纸风自绘视觉）
   ===================================================== */
.pv{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(420px 300px at 82% 18%,rgba(190,30,45,.06),transparent 65%),
    linear-gradient(150deg,#F1F4F8,#E6EBF1);
  color:var(--red);
  min-height:200px;
  border-bottom:1px solid var(--line);
}
.pv::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(30,58,92,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(30,58,92,.07) 1px,transparent 1px);
  background-size:34px 34px;
  mask-image:radial-gradient(420px 300px at 62% 45%,#000 35%,transparent 80%);
  -webkit-mask-image:radial-gradient(420px 300px at 62% 45%,#000 35%,transparent 80%);
}
.pv .pv-ic{width:64px;height:64px;position:relative;z-index:1;filter:drop-shadow(0 8px 18px rgba(190,30,45,.18));}
.pv .pv-ic svg{width:100%;height:100%;}
.pv .pv-gear{position:absolute;right:-34px;bottom:-34px;width:150px;height:150px;opacity:.10;animation:spin 26s linear infinite;color:var(--navy);}
.pv .pv-gear svg{width:100%;height:100%;}
@keyframes spin{to{transform:rotate(360deg);}}
.pv.warm{
  background:
    radial-gradient(420px 300px at 82% 18%,rgba(190,30,45,.09),transparent 65%),
    linear-gradient(150deg,#F8F1EE,#EFE4E0);
}
.pv.cool{
  background:
    radial-gradient(420px 300px at 82% 18%,rgba(47,111,186,.08),transparent 65%),
    linear-gradient(150deg,#EEF3F9,#E2EAF3);
}
.pv.green{
  background:
    radial-gradient(420px 300px at 82% 18%,rgba(31,157,85,.07),transparent 65%),
    linear-gradient(150deg,#EFF6F2,#E3EFE8);
}
/* 真实照片版视觉块（替换渐变占位）：内联 --img 指定图片 */
.pv.has-photo{
  background-color:#0b1018;
  background-image:linear-gradient(0deg,rgba(11,16,24,.5) 0%,rgba(11,16,24,0) 46%),var(--img);
  background-size:cover;background-position:center;background-repeat:no-repeat;color:#fff;
}
.pv.has-photo::before{display:none;}
.pv.has-photo .pv-gear{display:none;}
.pv.has-photo .pv-ic{
  position:absolute;left:14px;bottom:14px;top:auto;width:40px;height:40px;padding:0;
  background:var(--red);color:#fff;filter:none;border-radius:0;
  display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.3);
}
.pv.has-photo .pv-ic svg{width:22px;height:22px;}
/* 优势章块照片图标固定左上：左下角与 SAFETY 徽标文字重叠 */
.why-img .pv.has-photo .pv-ic{top:14px;bottom:auto;}
/* 卡片媒体区精确铺满（案例/新闻/服务/详情/优势） */
.cc-top .pv,.nc-media .pv,.svc-media .pv,.why-img .pv,.ov-media .pv{position:absolute;inset:0;min-height:0;border-bottom:0;}

/* =====================================================
   服务卡片（方角白卡 + 红色链接）
   ===================================================== */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.svc-card{
  background:var(--surface);border-radius:0;overflow:hidden;
  border:1px solid var(--line);transition:transform .22s,box-shadow .22s;
  display:flex;flex-direction:column;
}
.svc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.svc-media{position:relative;height:220px;overflow:hidden;}
.svc-media .svc-tag{
  position:absolute;left:0;top:0;background:var(--red);color:#fff;
  font-family:var(--sans);font-size:11.5px;font-weight:600;letter-spacing:.12em;padding:7px 14px;z-index:2;
  text-transform:uppercase;
}
.svc-body{padding:26px 26px 28px;display:flex;flex-direction:column;flex:1;}
.svc-body h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:10px;}
.svc-body .desc{color:var(--body);font-size:14.5px;flex:1;}
.svc-tags{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin:16px 0 20px;}
.svc-tags span{
  font-size:12.5px;color:var(--body);background:var(--bg);border:1px solid var(--line);
  padding:5px 8px;border-radius:0;font-weight:500;text-align:center;
  display:flex;align-items:center;justify-content:center;line-height:1.35;
}
.svc-link{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--red);font-size:14.5px;text-transform:uppercase;letter-spacing:.06em;}
.svc-link svg{width:16px;height:16px;transition:transform .2s;}
.svc-link:hover svg{transform:translateX(4px);}
.svc-card.cta-card{
  background:var(--navy);color:#fff;border:0;
  justify-content:center;align-items:flex-start;padding:34px;
}
.svc-card.cta-card h3{font-size:24px;margin:12px 0 12px;color:#fff;}
.svc-card.cta-card p{color:rgba(255,255,255,.82);font-size:15px;margin-bottom:26px;}
.svc-card.cta-card .btn{margin-top:auto;}
.svc-card.dashed{
  border:1px dashed var(--line-dark);background:transparent;align-items:center;justify-content:center;text-align:center;padding:34px;
}
.svc-card.dashed .ic{
  width:52px;height:52px;border-radius:0;border:1px solid var(--line);background:var(--red-tint);
  display:flex;align-items:center;justify-content:center;color:var(--red);margin-bottom:16px;
}
.svc-card.dashed .ic svg{width:26px;height:26px;}
.svc-card.dashed h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.svc-card.dashed p{font-size:14.5px;color:var(--body);}
.svc-card.dashed .svc-tags{margin-top:14px;margin-bottom:0;}
.svc-tags span:last-child:nth-child(odd){grid-column:1 / -1;}

/* =====================================================
   优势板块
   ===================================================== */
.why-feature{
  display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;
  background:var(--surface);border:1px solid var(--line);overflow:hidden;
  box-shadow:none;
}
.why-img{position:relative;min-height:400px;}
.why-img .pv{position:absolute;inset:0;border-bottom:0;}
.why-img .safety-badge{
  position:absolute;left:0;bottom:0;background:var(--ink);color:#fff;
  padding:16px 22px;border-left:4px solid var(--red);
}
.safety-badge .b{font-family:var(--sans);font-size:19px;font-weight:700;letter-spacing:.1em;color:#fff;line-height:1.3;}
.safety-badge .s{font-size:12.5px;color:rgba(255,255,255,.72);line-height:1.55;}
.why-content{padding:52px 56px 52px 0;}
.why-content h3{font-size:28px;font-weight:800;line-height:1.32;color:var(--ink);margin:14px 0 14px;}
.why-content .body{color:var(--body);font-size:15.5px;}
.check-list{margin-top:22px;display:grid;gap:13px;}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--ink);align-items:flex-start;}
.check-list .ck{
  width:20px;height:20px;border-radius:0;flex-shrink:0;margin-top:3px;
  background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;
}
.check-list .ck svg{width:13px;height:13px;}
/* 优势卡 / 合作模式卡：对齐行业卡编辑语言——hover 红顶线生长 + mono 幽灵编号 + 红色图标块；
   卡内 flex 列布局，要点列表（仅首页有 ul）沉底，两条横线计数行语言无关，无 ul 时自动省略 */
.why-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:60px;counter-reset:wic 0 wic-total 3;}
.why-item{
  position:relative;overflow:hidden;display:flex;flex-direction:column;counter-increment:wic;
  background:var(--surface);border:1px solid var(--line);padding:30px 28px 28px;
  transition:transform .22s,box-shadow .22s;
}
.why-item::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.why-item:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.why-item:hover::before{transform:scaleX(1);}
.wi-no{
  position:absolute;top:18px;right:22px;z-index:1;
  font-family:var(--mono);font-size:38px;font-weight:700;line-height:1;letter-spacing:.02em;
  color:var(--line-dark);transition:color .25s;
}
.why-item:hover .wi-no{color:var(--red-tint);}
.wi-count{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.16em;
  color:var(--faint);margin-bottom:16px;transition:color .25s;
}
.wi-count::before{content:"";width:22px;height:2px;background:var(--red);flex-shrink:0;}
.wi-count::after{content:counter(wic,decimal-leading-zero) " / " counter(wic-total);}
.why-item:hover .wi-count{color:var(--red);}
.why-item .ic{
  width:48px;height:48px;border-radius:0;background:var(--red);
  display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:18px;
  transition:transform .3s;
}
.why-item .ic svg{width:24px;height:24px;}
.why-item:hover .ic{transform:translateY(-2px);}
.why-item h4{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.4;overflow-wrap:break-word;}
.why-item:hover h4{color:var(--red);}
.why-item > p{font-size:14px;color:var(--body);flex:1;overflow-wrap:break-word;}
.why-item .wi-points{
  margin-top:14px;padding-top:14px;border-top:1px solid var(--line);
}
.why-item ul{margin-top:0;display:grid;gap:7px;}
.why-item ul li{font-size:13.5px;color:var(--body);display:flex;gap:8px;overflow-wrap:break-word;}
.why-item ul li::before{content:"";width:5px;height:5px;background:var(--red);margin-top:9px;flex-shrink:0;}

/* 数据亮点条 */
.stat-band{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:56px;}
.stat-band .sb{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.2);
  padding:28px 24px;text-align:center;
}
.stat-band .n{font-family:var(--mono);font-size:34px;font-weight:700;color:#fff;}
.stat-band .l{font-size:13.5px;color:rgba(255,255,255,.78);margin-top:6px;}

/* =====================================================
   行业方案
   ===================================================== */
/* 行业卡：编辑式「照片顶图 + 信息体」，2x2 大卡，hover 红顶线生长 + 照片缩放 */
.ind-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.ind-card{
  position:relative;display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  transition:transform .22s,box-shadow .22s;
}
.ind-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:4;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.ind-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.ind-card:hover::before{transform:scaleX(1);}
/* 照片区 */
.ic-media{position:relative;height:260px;overflow:hidden;flex-shrink:0;background-color:#0b1018;}
.ic-bg{position:absolute;inset:0;background-image:var(--img);background-size:cover;background-position:center;background-repeat:no-repeat;transition:transform .5s ease;}
.ind-card:hover .ic-bg{transform:scale(1.07);}
.ic-shade{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,16,24,.4) 0%,rgba(11,16,24,0) 36%),linear-gradient(0deg,rgba(11,16,24,.78) 0%,rgba(11,16,24,0) 60%);}
.ic-no{position:absolute;top:16px;right:18px;z-index:3;font-family:var(--mono);font-size:46px;font-weight:700;line-height:1;color:rgba(255,255,255,.22);letter-spacing:.02em;}
.ic-ic{position:absolute;left:16px;bottom:16px;z-index:3;width:46px;height:46px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.32);transition:transform .3s;}
.ic-ic svg{width:24px;height:24px;}
.ind-card:hover .ic-ic{transform:translateY(-2px);}
/* 机器人行业配图取景：原图已物理裁掉右侧持电钻机器人（720×800 保留左景机械臂）。
   横卡片（首页/移动端详情列）cover 居中会裁到头盔顶，统一上移取景；
   竖高列（industries 详情 260px 列）cover 全高显示时 y% 不生效，无副作用 */
#robotics .id-ic,
.ind-card-robotics .ic-bg{background-position:center 10%;}
/* 信息体 */
.ic-body{padding:26px 26px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.ic-body h4{font-size:19px;font-weight:700;color:var(--ink);line-height:1.4;}
.ic-body p{font-size:14px;color:var(--body);line-height:1.75;flex:1;}
.ic-body .go{display:inline-flex;align-items:center;gap:6px;font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--red);text-transform:uppercase;letter-spacing:.08em;}
.ic-body .go svg{width:14px;height:14px;transition:transform .2s;}
.ind-card:hover .go svg{transform:translateX(4px);}
.ind-card:hover .ic-body h4{color:var(--red);}

/* 首页行业卡：整卡拉伸链接（卡体改 div 后保持整卡可点）+ 暖通卡绿色方案强调按钮 */
.ic-stretch{position:absolute;inset:0;z-index:2;}
/* 照片区装饰元素不拦截点击，让整卡链接生效 */
.ind-card .ic-no,.ind-card .ic-ic{pointer-events:none;}
.ic-body .ic-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;}
.ic-hot-chip{
  position:relative;z-index:3;
  display:inline-flex;align-items:center;gap:7px;
  background:linear-gradient(135deg,var(--red) 0%,var(--red-dark) 100%);
  color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.02em;
  padding:8px 16px;box-shadow:0 6px 16px rgba(190,30,45,.28);
  transition:transform .18s,box-shadow .18s;
}
.ic-hot-chip svg{width:15px;height:15px;flex-shrink:0;}
.ic-hot-chip .arr{font-weight:700;transition:transform .18s;}
.ic-hot-chip:hover{transform:translateY(-1px);box-shadow:0 9px 20px rgba(190,30,45,.38);color:#fff;}
.ic-hot-chip:hover .arr{transform:translateX(3px);}

/* 行业详情大卡（industries 页） */
.ind-detail{
  display:grid;grid-template-columns:260px 1fr;gap:0;
  background:var(--surface);border:1px solid var(--line);
  overflow:hidden;scroll-margin-top:100px;
}
.ind-detail + .ind-detail{margin-top:22px;}
.ind-detail .id-ic{
  position:relative;min-height:210px;color:#fff;
  background-color:#0b1018;
  background-image:linear-gradient(160deg,rgba(17,20,23,.12),rgba(17,20,23,.5)),var(--img);
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.ind-detail .id-ic > svg{position:absolute;left:16px;bottom:16px;width:42px;height:42px;padding:9px;background:var(--red);color:#fff;}
.ind-detail .id-body{padding:30px 34px;}
.ind-detail h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.ind-detail .id-en{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase;margin-bottom:14px;}
.ind-detail .id-challenge{color:var(--body);font-size:14.5px;margin-bottom:16px;}
.ind-detail .id-label{font-size:12.5px;font-family:var(--sans);letter-spacing:.12em;color:var(--red);font-weight:700;margin-bottom:8px;text-transform:uppercase;}
.ind-detail .id-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 24px;margin-bottom:16px;}
.ind-detail .id-list li{font-size:14px;color:var(--body);display:flex;gap:9px;align-items:flex-start;}
.ind-detail .id-list li::before{content:"";width:5px;height:5px;background:var(--red);margin-top:10px;flex-shrink:0;}
.ind-detail .id-links{display:flex;flex-wrap:wrap;gap:8px;}
.ind-detail .id-links a{
  font-size:12.5px;color:var(--body);background:var(--bg);border:1px solid var(--line);
  padding:4px 12px;border-radius:0;font-weight:600;transition:background .18s,color .18s,border-color .18s;
}
.ind-detail .id-links a:hover{background:var(--red);border-color:var(--red);color:#fff;}

/* =====================================================
   客户案例
   ===================================================== */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.case-card{
  background:var(--surface);border:1px solid var(--line);overflow:hidden;
  display:flex;flex-direction:column;cursor:pointer;transition:transform .22s,box-shadow .22s;text-align:left;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.cc-top{position:relative;height:170px;overflow:hidden;flex-shrink:0;}
.cc-top::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(17,20,23,0) 55%,rgba(17,20,23,.14));}
.case-industry{
  position:absolute;left:0;top:0;background:var(--navy);color:#fff;
  font-size:12px;font-weight:600;padding:6px 12px;z-index:2;letter-spacing:.06em;
}
.case-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.case-body h3{font-size:18.5px;font-weight:700;line-height:1.45;color:var(--ink);margin-bottom:14px;}
.kv{display:grid;gap:9px;flex:1;}
.kv .kv-row{display:grid;grid-template-columns:64px 1fr;gap:10px;font-size:13.5px;}
.kv .k{font-family:var(--sans);font-size:12.5px;color:var(--red);font-weight:700;padding-top:1px;}
.kv .v{color:var(--body);}
.kv .v b{color:var(--ink);}
.case-body .foot{margin-top:16px;display:flex;align-items:center;gap:8px;font-weight:600;color:var(--red);font-size:14px;text-transform:uppercase;letter-spacing:.06em;}
.case-body .foot svg{width:15px;height:15px;}

/* =====================================================
   新闻动态
   ===================================================== */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .22s,box-shadow .22s;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.nc-media{position:relative;height:170px;overflow:hidden;flex-shrink:0;}
.nc-type{
  position:absolute;left:0;top:0;background:var(--navy);color:#fff;
  font-size:12px;font-weight:600;padding:6px 12px;z-index:2;letter-spacing:.06em;
}
.nc-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.nc-body h3{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--ink);margin-bottom:8px;}
.news-card:hover .nc-body h3{color:var(--red);}
.nc-excerpt{font-size:13.5px;color:var(--body);flex:1;}
.nc-meta{font-family:var(--sans);font-size:12px;color:var(--faint);margin-top:14px;display:flex;justify-content:space-between;gap:10px;}
.nc-meta span:last-child{color:var(--red);font-weight:600;text-transform:uppercase;letter-spacing:.06em;}

/* 筛选 tab */
.filter-tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:36px;}
.ft-btn{
  padding:9px 20px;border:1px solid var(--line-dark);background:var(--surface);
  font-size:14.5px;font-weight:600;color:var(--body);cursor:pointer;transition:all .18s;border-radius:0;
}
.ft-btn:hover{border-color:var(--red);color:var(--red);}
.ft-btn.active{background:var(--red);border-color:var(--red);color:#fff;}

.load-wrap{text-align:center;margin-top:44px;}

/* 新闻详情 */
.article-wrap{max-width:860px;margin:0 auto;background:var(--surface);border:1px solid var(--line);padding:52px 58px;}
.a-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-family:var(--sans);font-size:12.5px;color:var(--faint);margin-bottom:18px;}
.a-meta .a-type{color:var(--red);background:var(--red-tint);padding:4px 12px;font-weight:600;}
.article-wrap h1{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.4;color:var(--ink);margin-bottom:14px;}
.article-body{margin-top:26px;border-top:1px solid var(--line);padding-top:28px;}
.article-body h2{font-size:20px;font-weight:700;margin:26px 0 12px;color:var(--ink);}
.article-body p{font-size:15.5px;color:var(--body);margin-bottom:14px;}
.article-body ul{margin:0 0 14px;display:grid;gap:8px;}
.article-body ul li{font-size:15px;color:var(--body);display:flex;gap:10px;}
.article-body ul li::before{content:"";width:5px;height:5px;background:var(--red);margin-top:11px;flex-shrink:0;}
.article-body blockquote{
  border-left:3px solid var(--red);background:var(--bg);
  padding:16px 20px;margin:18px 0;font-size:14.5px;color:var(--body);
}
.a-back{margin-top:34px;display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--red);text-transform:uppercase;letter-spacing:.06em;font-size:14px;}
.a-back svg{width:16px;height:16px;transform:rotate(180deg);}

/* =====================================================
   内页 page-hero（实景大图横幅 + 遮罩 + 面包屑）
   ===================================================== */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  min-height:360px;display:flex;align-items:flex-end;
  padding:170px 0 58px;
  background-color:var(--navy);
  background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/page-hero.jpg?v=20260914b);
  background-size:cover;background-position:center;
}
/* 新闻动态页专用头图（汽车厂总装线实景） */
.page-hero.ph-news{background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/page-hero-news.jpg?v=20260914);}
/* 行业解决方案页专用头图（不锈钢储罐产线实景） */
.page-hero.ph-industries{background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/page-hero-industries.jpg?v=20260914);}
/* 联系我们页专用头图（初版首页封面：女工程师工位工作照） */
.page-hero.ph-contact{background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/page-hero-contact.jpg?v=20260914);}
/* 关于我们页专用头图（工程师手转阀门实景） */
.page-hero.ph-about{background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/page-hero-about.jpg?v=20260914);}
.page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(10,16,24,.5),transparent 46%);pointer-events:none;}
.page-hero .container{position:relative;z-index:2;}
.crumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-family:var(--sans);font-size:12.5px;font-weight:500;color:rgba(255,255,255,.82);margin-bottom:18px;
  text-transform:uppercase;letter-spacing:.08em;
}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.55;}
.crumbs .cur{color:#fff;font-weight:700;}
.page-hero h1{font-size:clamp(30px,4vw,50px);font-weight:800;line-height:1.18;color:#fff;margin-bottom:14px;text-shadow:0 2px 18px rgba(0,0,0,.3);}
.ph-sub{color:rgba(255,255,255,.9);font-size:16.5px;max-width:720px;}
.page-hero .ph-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.ph-badges span{
  font-family:var(--sans);font-size:12.5px;font-weight:600;color:var(--red);
  border:1px solid var(--red);padding:6px 14px;background:rgba(255,255,255,.65);
}

/* =====================================================
   服务详情页
   ===================================================== */
.overview-grid{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.overview-grid .ov-media{overflow:hidden;min-height:340px;position:relative;border:1px solid var(--line);box-shadow:none;}
.overview-grid .ov-media .pv{position:absolute;inset:0;border-bottom:0;}
.overview-grid .ov-body h2{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.32;color:var(--ink);margin:14px 0 16px;}
.overview-grid .ov-body .body{color:var(--body);font-size:15.5px;}
.overview-grid .ov-body .body p{margin-bottom:12px;}
.ov-kv{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:24px;}
.ov-kv .ok{
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--red);
  padding:14px 16px;
}
.ov-kv .ok .k{font-family:var(--sans);font-size:12px;color:var(--red);font-weight:700;text-transform:uppercase;letter-spacing:.08em;}
.ov-kv .ok .v{font-size:14px;font-weight:700;color:var(--ink);margin-top:2px;}

/* 服务内容卡：行业卡同款 hover 红顶线生长；头部行=红色图标块+右侧 mono 大编号；
   轨道用 minmax(0,1fr) 禁止长词撑爆列宽，文字 overflow-wrap 兜底防越界（中英混排断词） */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;counter-reset:fc 0 fc-total 6;}
.f-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;counter-increment:fc;
  background:var(--surface);border:1px solid var(--line);
  padding:28px 26px 26px;transition:transform .22s,box-shadow .22s;
}
.f-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.f-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.f-card:hover::before{transform:scaleX(1);}
.fc-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:16px;}
.f-card .fic{
  width:46px;height:46px;border-radius:0;background:var(--red);
  display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0;
  transition:transform .3s;
}
.f-card .fic svg{width:22px;height:22px;}
.f-card:hover .fic{transform:translateY(-2px);}
.fc-no{
  font-family:var(--mono);font-size:40px;font-weight:700;line-height:1;letter-spacing:.02em;
  color:var(--line-dark);transition:color .25s;
}
.f-card:hover .fc-no{color:var(--red-tint);}
.f-card h4{font-size:17.5px;font-weight:700;color:var(--ink);margin-bottom:8px;line-height:1.45;overflow-wrap:break-word;}
.f-card:hover h4{color:var(--red);}
.f-card p{font-size:14px;color:var(--body);line-height:1.8;flex:1;overflow-wrap:break-word;}
.f-card .fc-count{
  display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:12px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--faint);
}
.f-card .fc-count::before{content:"";width:18px;height:2px;background:var(--red);flex-shrink:0;}
.f-card .fc-count::after{content:counter(fc,decimal-leading-zero) " / " counter(fc-total);}

/* 服务流程「工序链」：白卡方角细边框（对齐卡片族），卡顶=灰轨+红色起端帽+红方块节点（跨 gap 连续成链），
   计数行 mono 纯数字「NN / NN」（CSS counter，语言无关，同 wi-count/fc-count 惯例），
   hover 红顶线 scaleX 生长 + translateY(-4px) + shadow + 标题变红；minmax(0,1fr) 轨道防长词撑列 */
.steps{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;counter-reset:st 0 st-total 5;}
.step{
  position:relative;
  background:var(--surface);border:1px solid var(--line);border-top:0;
  padding:40px 24px 28px;
  transition:transform .22s,box-shadow .22s;
}
.st-top{
  position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--line);
}
.st-top::after{content:"";position:absolute;left:0;top:0;width:42px;height:3px;background:var(--red);}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.st-rail{
  position:absolute;top:1.5px;left:0;right:0;height:1px;z-index:1;
  transform:translateY(-50%);
  background:repeating-linear-gradient(90deg,var(--line-dark) 0 6px,transparent 6px 12px);
}
.st-node{
  position:absolute;top:0;left:16px;width:11px;height:11px;z-index:3;
  transform:translateY(-50%);background:var(--red);
  box-shadow:0 0 0 3px #fff,0 0 0 4px var(--line-dark);
}
.st-count{
  display:flex;align-items:center;gap:10px;margin-bottom:14px;counter-increment:st;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.16em;
  color:var(--faint);transition:color .25s;
}
.st-count::before{content:"";width:22px;height:2px;background:var(--red);flex-shrink:0;}
.st-count::after{content:counter(st,decimal-leading-zero) " / " counter(st-total);}
.step:hover .st-count{color:var(--red);}
.step h4{font-size:16.5px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.4;overflow-wrap:break-word;}
.step:hover h4{color:var(--red);}
.step p{font-size:13.5px;color:var(--body);overflow-wrap:break-word;}

/* 适用场景：编辑式处理——幽灵大序号 + 红色小方点标签行 + 计数（纯数字，语言无关），hover 红顶线 */
.scene-wrap{display:grid;grid-template-columns:1fr 1fr;gap:24px;counter-reset:sc 0 sc-total 2;}
.scene-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);padding:26px 28px 28px;
  transition:transform .22s,box-shadow .22s;
}
.scene-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.scene-card:hover::before{transform:scaleX(1);}
.sc-no{
  position:absolute;top:8px;right:16px;z-index:1;pointer-events:none;
  font-family:var(--mono);font-size:72px;font-weight:700;line-height:1;letter-spacing:.02em;
  color:var(--bg);transition:color .3s;
}
.scene-card:hover .sc-no{color:var(--red-tint);}
.sc-label{
  position:relative;z-index:2;display:flex;align-items:center;gap:8px;
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--faint);
  margin-bottom:10px;counter-increment:sc;
}
.sc-label::before{content:"";width:6px;height:6px;background:var(--red);flex-shrink:0;}
.sc-label::after{content:counter(sc,decimal-leading-zero) " / " counter(sc-total);}
.scene-card h4{
  position:relative;z-index:2;font-size:17px;font-weight:700;color:var(--ink);
  display:flex;align-items:center;gap:10px;margin-bottom:10px;overflow-wrap:break-word;
}
.scene-card h4::before{content:"";width:5px;height:20px;background:var(--red);flex-shrink:0;}
.scene-card p{position:relative;z-index:2;font-size:14.5px;color:var(--body);overflow-wrap:break-word;}

/* FAQ 手风琴 */
.faq-list{max-width:860px;margin:0 auto;display:grid;gap:12px;}
.faq-item{background:var(--surface);border:1px solid var(--line);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
}
.faq-q .f-ic{
  width:28px;height:28px;flex-shrink:0;
  background:var(--red-tint);color:var(--red);
  display:flex;align-items:center;justify-content:center;transition:transform .3s;
}
.faq-q .f-ic svg{width:15px;height:15px;}
.faq-item.open .f-ic{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a .faq-a-in{padding:0 24px 22px;font-size:14.5px;color:var(--body);}

/* =====================================================
   关于我们
   ===================================================== */
.about-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:start;}
.about-grid .body{color:var(--body);font-size:15.5px;}
.about-grid .body p{margin-bottom:14px;}
.about-media{position:relative;overflow:hidden;border:1px solid var(--line);margin-bottom:22px;aspect-ratio:16/10;}
.about-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.about-stats .as{
  background:var(--surface);border:1px solid var(--line);padding:22px;
  border-top:3px solid var(--red);
}
.about-stats .as .n{font-family:var(--mono);font-size:28px;font-weight:700;color:var(--ink);}
.about-stats .as .l{font-size:13px;color:var(--muted);margin-top:2px;}

/* 资质荣誉：奖牌图标重复无法换图——左上 mono 幽灵序号 + hover 红顶线制造差异，居中排版保留 */
.cert-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.cert-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  padding:30px 22px 26px;text-align:center;transition:transform .2s,box-shadow .2s;
}
.cert-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:3;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.cert-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.cert-card:hover::before{transform:scaleX(1);}
.ce-no{
  position:absolute;top:10px;left:14px;z-index:2;
  font-family:var(--mono);font-size:26px;font-weight:700;line-height:1;
  color:var(--line-dark);transition:color .25s;
}
.cert-card:hover .ce-no{color:var(--red-tint);}
.cert-card .cimg{
  margin:0 0 16px;border:1px solid var(--line);background:#fff;
  aspect-ratio:210/297;overflow:hidden;
}
.cert-card .cimg img{width:100%;height:100%;object-fit:cover;display:block;}
.cert-card h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:6px;line-height:1.45;overflow-wrap:break-word;}
.cert-card:hover h4{color:var(--red);}
.cert-card p{font-size:12.5px;color:var(--muted);overflow-wrap:break-word;}
.cert-note{margin-top:20px;font-size:13px;color:var(--faint);text-align:center;}

/* 发展历程时间轴 */
.timeline{position:relative;max-width:900px;margin:0 auto;padding-left:36px;}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line-dark);}
.tl-item{position:relative;padding:0 0 34px 24px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:7px;width:12px;height:12px;
  background:var(--red);border:3px solid #fff;box-shadow:0 0 0 1px var(--red);
}
.tl-item .tl-year{font-family:var(--mono);font-size:14px;font-weight:700;color:var(--red);margin-bottom:4px;}
.tl-item h4{font-size:17px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.tl-item p{font-size:14px;color:var(--body);max-width:640px;}

/* 团队：杂志化左对齐——满宽矩形藏青色块（mono 大首字母 + 幽灵成员序号）+ 角色红线 + 底部红色线条生长 */
.team-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;counter-reset:tm 0 tm-total 4;}
.team-card{
  position:relative;overflow:hidden;display:flex;flex-direction:column;counter-increment:tm;
  background:var(--surface);border:1px solid var(--line);
  padding:0 0 24px;transition:transform .22s,box-shadow .22s;
}
.team-card::before{
  content:"";position:absolute;bottom:0;left:0;right:0;height:3px;z-index:2;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.team-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.team-card:hover::before{transform:scaleX(1);}
.team-card .avatar{
  position:relative;width:100%;aspect-ratio:4/3;margin:0;
  background:var(--navy);color:#fff;
  display:flex;align-items:center;justify-content:flex-start;
  font-family:var(--mono);font-size:64px;font-weight:700;letter-spacing:.02em;
  border-bottom:3px solid var(--red);
}
.team-card .avatar::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);
  background-size:24px 24px;
}
.tc-no{
  position:absolute;top:12px;right:14px;z-index:1;
  font-family:var(--mono);font-size:15px;font-weight:700;letter-spacing:.1em;
  color:rgba(255,255,255,.45);
}
.tc-no::after{content:counter(tm,decimal-leading-zero);}
.team-card .avatar > span:last-child{position:relative;z-index:2;padding-left:22px;line-height:1;text-shadow:0 6px 18px rgba(0,0,0,.28);}
.team-card .avatar svg{display:none;}
.team-card .t-body{padding:20px 22px 0;display:flex;flex-direction:column;flex:1;}
.team-card h4{font-size:18px;font-weight:700;color:var(--ink);line-height:1.4;overflow-wrap:break-word;}
.team-card .t-role{
  font-family:var(--sans);font-size:11.5px;color:var(--red);font-weight:600;margin:6px 0 10px;
  letter-spacing:.08em;text-transform:uppercase;overflow-wrap:break-word;
}
.team-card .t-role::before{content:"";display:block;width:22px;height:2px;background:var(--red);margin-bottom:8px;}
.team-card .tc-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10.5px;font-weight:600;letter-spacing:.16em;color:var(--faint);
}
.team-card .tc-meta::after{content:counter(tm,decimal-leading-zero) " / " counter(tm-total);}
.team-card p{font-size:13px;color:var(--body);line-height:1.75;overflow-wrap:break-word;}

/* 加入我们 */
.join-box{
  display:grid;grid-template-columns:1.1fr .9fr;gap:0;
  background:var(--navy);
  overflow:hidden;color:#fff;
}
.join-box .j-body{padding:44px 48px;}
.join-box h3{font-size:26px;font-weight:800;margin:12px 0 12px;}
.join-box p{color:rgba(255,255,255,.82);font-size:15px;}
.join-box .j-list{margin-top:20px;display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.join-box .j-list li{display:flex;gap:9px;font-size:14px;color:rgba(255,255,255,.88);align-items:flex-start;}
.join-box .j-list li::before{content:"";width:5px;height:5px;background:var(--red);margin-top:10px;flex-shrink:0;}
.join-box .j-side{
  background:rgba(255,255,255,.06);border-left:1px solid rgba(255,255,255,.16);
  padding:44px 40px;display:flex;flex-direction:column;justify-content:center;
}
.join-box .j-side h4{font-size:17px;font-weight:700;margin-bottom:14px;}
.join-box .j-side li{
  display:flex;justify-content:space-between;gap:14px;padding:11px 0;
  border-bottom:1px solid rgba(255,255,255,.14);font-size:14px;
}
.join-box .j-side li .loc{color:rgba(255,255,255,.6);font-family:var(--mono);font-size:12px;}
.join-box .j-side .btn{margin-top:24px;align-self:flex-start;}

/* =====================================================
   联系我们
   ===================================================== */
/* 信息卡族：行业卡同款编辑语言——hover 红顶线生长 + 红底白图标块 + 右上 mono 幽灵编号；
   方角细边框，文字 overflow-wrap 兜底防中英长词越界（minmax(0,1fr) 轨道 + 卡片自带内边距） */
.contact-grid{display:grid;grid-template-columns:.86fr 1.14fr;gap:44px;align-items:start;}
.c-info{display:grid;gap:16px;}
.c-card{
  position:relative;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);
  padding:22px 24px;display:flex;gap:16px;align-items:flex-start;
  transition:transform .22s,box-shadow .22s;
}
.c-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;z-index:2;
  background:var(--red);transform:scaleX(0);transform-origin:left center;
  transition:transform .35s ease;
}
.c-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);}
.c-card:hover::before{transform:scaleX(1);}
.cc-no{
  position:absolute;top:14px;right:18px;z-index:1;pointer-events:none;
  font-family:var(--mono);font-size:30px;font-weight:700;line-height:1;letter-spacing:.02em;
  color:var(--line-dark);transition:color .25s;
}
.c-card:hover .cc-no{color:var(--red-tint);}
.c-card .cic{
  width:46px;height:46px;flex-shrink:0;background:var(--red);
  display:flex;align-items:center;justify-content:center;color:#fff;
  transition:transform .3s;
}
.c-card .cic svg{width:22px;height:22px;}
.c-card:hover .cic{transform:translateY(-2px);}
.cc-body{flex:1;min-width:0;}
.c-card h4{font-size:15.5px;font-weight:700;color:var(--ink);margin-bottom:4px;overflow-wrap:break-word;}
.c-card:hover h4{color:var(--red);}
.c-card p{font-size:14px;color:var(--body);overflow-wrap:break-word;}
.c-card .mono-lg{font-family:var(--mono);font-size:17px;font-weight:700;color:var(--red);overflow-wrap:break-word;}
.form-light{
  background:var(--surface);border:1px solid var(--line);padding:34px;
  box-shadow:none;border-top:3px solid var(--red);
}
.form-light h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.form-light h3::before{content:"";width:5px;height:22px;background:var(--red);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:0 16px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--body);margin-bottom:6px;font-weight:600;}
.field label .req{color:var(--red);}
.field input,.field select,.field textarea{
  width:100%;background:#fff;border:1px solid var(--line-dark);
  border-radius:0;padding:12px 14px;color:var(--ink);font-size:15px;font-family:var(--sans);outline:none;
  transition:border-color .18s,box-shadow .18s;
}
.field input::placeholder,.field textarea::placeholder{color:#ABABAB;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(190,30,45,.1);}
.field textarea{resize:vertical;min-height:110px;}
.field .err{display:none;font-size:12.5px;color:var(--red);margin-top:5px;}
.field.invalid input,.field.invalid textarea{border-color:var(--red);}
.field.invalid .err{display:block;}
.form-light .btn{width:100%;justify-content:center;}
.form-tip{margin-top:14px;font-size:12.5px;color:var(--faint);text-align:center;}

/* 到访区：contact.jpg 实景底图（模板以 --img 内联传入，同 .ic-bg 契约）+ 深色渐变叠层，
   信息以左下「到访卡」浮层呈现（编辑式 kicker + 红色 pin 徽标 + 地址 + 地图动作 + mono 备注），
   右上 ghost VISIT 大字呼应 mono 点缀语言；照片叠层保证白色文字对比度（WCAG） */
.map-ph{
  position:relative;overflow:hidden;border:1px solid var(--line);
  min-height:440px;
  background-color:#0b1018;
  background-image:
    linear-gradient(0deg,rgba(11,16,24,.62) 0%,rgba(11,16,24,.2) 42%,rgba(11,16,24,0) 62%),
    linear-gradient(90deg,rgba(11,16,24,.5) 0%,rgba(11,16,24,.14) 42%,rgba(11,16,24,0) 68%),
    var(--img);
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.map-ghost{
  position:absolute;top:22px;right:26px;z-index:1;pointer-events:none;
  font-family:var(--mono);font-size:clamp(46px,6.5vw,84px);font-weight:700;line-height:1;
  letter-spacing:.06em;text-transform:uppercase;
  color:rgba(255,255,255,.12);
}
.map-ph .mp-pin{position:absolute;left:34px;bottom:34px;z-index:2;max-width:430px;}
.map-ph .mp-kicker{
  display:flex;align-items:center;gap:10px;
  font-family:var(--mono);font-size:11px;font-weight:600;letter-spacing:.22em;
  color:rgba(255,255,255,.82);text-transform:uppercase;margin-bottom:44px;
}
.map-ph .mp-kicker::before{content:"";width:8px;height:8px;background:var(--red);flex-shrink:0;}
.map-ph .mp-kicker::after{content:"";flex:1;height:1px;background:rgba(255,255,255,.28);}
.map-ph .mp-pin .pin{
  position:absolute;left:36px;bottom:100%;width:46px;height:46px;margin-bottom:-14px;z-index:3;
  background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px rgba(190,30,45,.4);animation:bounce 2.4s ease-in-out infinite;
}
.map-ph .mp-pin .pin svg{width:24px;height:24px;}
@keyframes bounce{0%,100%{transform:translateY(0);}50%{transform:translateY(-9px);}}
.map-ph .mp-card{
  position:relative;
  background:rgba(11,16,24,.78);border:1px solid rgba(255,255,255,.18);
  border-left:3px solid var(--red);padding:26px 28px 22px;
  box-shadow:var(--shadow-lg);backdrop-filter:blur(6px);
  -webkit-backdrop-filter:blur(6px);
}
.map-ph .mp-pin .addr{font-weight:700;color:#fff;font-size:15.5px;line-height:1.65;overflow-wrap:break-word;}
.map-ph .mp-link{
  display:inline-flex;align-items:center;gap:7px;margin-top:16px;cursor:pointer;
  font-size:13px;font-weight:600;color:#fff;
  border:1px solid rgba(255,255,255,.55);padding:8px 16px;background:rgba(255,255,255,.08);
  transition:background .18s,border-color .18s,transform .18s;
}
.map-ph .mp-link svg{width:14px;height:14px;flex-shrink:0;}
.map-ph .mp-link:hover{background:var(--red);border-color:var(--red);transform:translateX(2px);}
.map-ph .mp-note{margin-top:12px;font-family:var(--mono);font-size:11.5px;line-height:1.6;color:rgba(255,255,255,.55);overflow-wrap:break-word;}

/* =====================================================
   联系 CTA（品牌红横带 + 白色表单卡）
   ===================================================== */
.cta-band{background:var(--red);color:#fff;position:relative;overflow:hidden;}
.cta-inner{display:grid;grid-template-columns:1.1fr .9fr;gap:52px;align-items:center;padding:84px 0;}
.cta-inner h2{font-size:clamp(26px,3vw,36px);font-weight:800;line-height:1.32;margin:16px 0 16px;}
.cta-inner .sub{color:rgba(255,255,255,.88);font-size:16px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px;}
.cta-form{background:#fff;color:var(--body);padding:30px;box-shadow:var(--shadow-lg);}
.cta-form h3{font-size:20px;font-weight:700;color:var(--ink);margin-bottom:20px;display:flex;align-items:center;gap:10px;}
.cta-form h3::before{content:"";width:5px;height:22px;background:var(--red);}
.cta-form .field label{color:var(--body);}
.cta-form .field input,.cta-form .field select,.cta-form .field textarea{
  width:100%;background:#fff;border:1px solid var(--line-dark);
  border-radius:0;padding:12px 14px;color:var(--ink);font-size:15px;font-family:var(--sans);outline:none;
  transition:border-color .18s,box-shadow .18s;
}
.cta-form .field input::placeholder,.cta-form .field textarea::placeholder{color:#ABABAB;}
.cta-form .field select option{color:var(--ink);}
.cta-form .field input:focus,.cta-form .field select:focus,.cta-form .field textarea:focus{border-color:var(--red);box-shadow:0 0 0 3px rgba(190,30,45,.1);}
.cta-form .field .err{color:var(--red);}
.cta-form .btn{width:100%;justify-content:center;}
.cta-band .btn-ghost{color:#fff;border-color:rgba(255,255,255,.65);}
.cta-band .btn-ghost:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08);}

/* =====================================================
   页脚（浅色多栏）
   ===================================================== */
.footer{background:var(--bg);color:var(--body);padding:70px 0 34px;border-top:1px solid var(--line);}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:46px;border-bottom:1px solid var(--line-dark);}
.footer h5{
  color:var(--ink);font-size:13px;font-weight:700;margin-bottom:18px;
  letter-spacing:.16em;text-transform:uppercase;
}
.footer ul{display:grid;gap:10px;}
.footer ul a{font-size:14px;color:var(--body);transition:color .18s;}
.footer ul a:hover{color:var(--red);}
.footer .f-brand .brand-name{color:var(--ink);white-space:normal;}
.footer .f-brand p{margin-top:16px;font-size:13.5px;line-height:1.8;max-width:320px;}
/* 主推服务列：白色卡片链接（ATS 式） */
.footer .f-cards{gap:12px;}
.footer .f-cards a{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:var(--surface);border:1px solid var(--line);
  padding:15px 18px;font-size:15px;font-weight:600;color:var(--red);
  transition:box-shadow .18s,transform .18s;
}
.footer .f-cards a::after{
  content:"→";font-size:15px;color:var(--red);transition:transform .18s;
}
.footer .f-cards a:hover{box-shadow:var(--shadow);transform:translateY(-2px);}
.f-contact li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;line-height:1.6;}
.f-contact .phone{font-family:var(--mono);color:var(--red);font-size:15px;font-weight:700;}
.f-contact .tag{
  color:var(--red);font-family:var(--sans);font-size:11px;font-weight:600;
  border:1px solid var(--red);padding:0 6px;margin-top:2px;flex-shrink:0;letter-spacing:.06em;
  min-width:64px;text-align:center;
}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;padding-top:26px;font-size:12.5px;color:var(--muted);}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;}
.footer-bottom a:hover{color:var(--red);}

/* =====================================================
   弹窗 & Toast & 返回顶部
   ===================================================== */
.overlay{
  position:fixed;inset:0;background:rgba(17,20,23,.55);z-index:200;display:none;
  align-items:center;justify-content:center;padding:24px;
}
.overlay.open{display:flex;}
.modal{
  background:#fff;border-radius:0;max-width:640px;width:100%;max-height:86vh;overflow:auto;
  padding:38px 40px;position:relative;box-shadow:var(--shadow-lg);border-top:3px solid var(--red);
}
.modal .m-close{
  position:absolute;top:16px;right:16px;width:38px;height:38px;border:1px solid var(--line);
  background:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--body);transition:background .18s;border-radius:0;
}
.modal .m-close:hover{background:var(--bg);}
.modal .m-close svg{width:18px;height:18px;}
.modal .eyebrow{margin-bottom:10px;}
.modal h3{font-size:24px;font-weight:800;line-height:1.35;color:var(--ink);margin-bottom:14px;}
.modal .m-industry{
  display:inline-block;font-size:12.5px;color:var(--red);background:var(--red-tint);
  padding:5px 12px;margin-bottom:20px;font-weight:600;
}
.m-section{margin-bottom:20px;}
.m-section h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:8px;display:flex;align-items:center;gap:8px;}
.m-section h4::before{content:"";width:5px;height:16px;background:var(--red);}
.m-section p,.m-section li{font-size:14.5px;color:var(--body);line-height:1.8;}
.m-section ul{display:grid;gap:6px;}
.m-section ul li{display:flex;gap:8px;}
.m-section ul li::before{content:"";width:5px;height:5px;background:var(--red);margin-top:11px;flex-shrink:0;}
.m-result{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:12px;}
.m-result .mr{background:var(--bg);border:1px solid var(--line);padding:14px;}
.m-result .mr .k{font-family:var(--sans);font-size:11.5px;color:var(--red);margin-bottom:4px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;}
.m-result .mr .v{font-size:14.5px;font-weight:700;color:var(--ink);}

.toast{
  position:fixed;left:50%;bottom:36px;transform:translateX(-50%) translateY(20px);
  background:var(--ink);color:#fff;padding:15px 26px;font-size:15px;font-weight:600;
  box-shadow:var(--shadow-lg);opacity:0;transition:opacity .3s,transform .3s;z-index:300;
  display:flex;align-items:center;gap:10px;border-left:4px solid var(--red);
  max-width:calc(100vw - 48px);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}
.toast svg{width:18px;height:18px;color:#fff;flex-shrink:0;}

.to-top{
  position:fixed;right:26px;bottom:26px;z-index:90;
  width:46px;height:46px;border:1px solid var(--line-dark);
  background:#fff;color:var(--ink);cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:opacity .3s,visibility .3s,transform .2s;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);color:var(--red);border-color:var(--red);}
.to-top svg{width:19px;height:19px;}

/* =====================================================
   404
   ===================================================== */
.err-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:40px 24px;}
.err-code{font-family:var(--mono);font-size:clamp(80px,14vw,150px);font-weight:700;line-height:1;color:var(--navy);position:relative;}
.err-code .hl{color:var(--red);}
.err-wrap h1{font-size:24px;font-weight:800;color:var(--ink);margin:18px 0 10px;}
.err-wrap p{color:var(--body);font-size:15px;max-width:480px;margin:0 auto 28px;}

/* about 页简介标题 / contact 页信息标题 */
.h2-block{font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.32;color:var(--ink);margin:14px 0 18px;}

.nav-menu .nav-drawer-hotline{display:none;}

/* 页脚演示说明 */
.footer .f-note{margin-top:14px;font-size:11.5px;color:var(--faint);}


/* =====================================================
   入场动画（仅首屏；正文内容默认可见）
   ===================================================== */
@keyframes rise{from{opacity:0;transform:translateY(24px);}to{opacity:1;transform:none;}}
.hero-slide.active .hero-caption{animation:rise .8s ease both;}
.hero-stats{animation:rise .8s .25s ease both;}
@media (prefers-reduced-motion:reduce){
  .hero-slide.active .hero-caption,.hero-stats{animation:none;}
}
.reveal{opacity:1;}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;transition:none;}
  .pv .pv-gear{animation:none;}
  .map-ph .mp-pin .pin{animation:none;}
}
:focus-visible{outline:2px solid var(--red);outline-offset:2px;}

@media (max-width:1120px){
  .nav-menu > li > a{padding:9px 9px;font-size:14px;}
  .mega{width:600px;}
}

@media (max-width:1024px){
  .hero{height:auto;min-height:520px;}
  .hero-caption{padding:120px 0 90px;}
  .hero-arrow{display:none;}
  .hero-dots{bottom:24px;}
  .hero-stats{padding:10px 0;}
  .hero-stats .stat,.hero-stats .stat:first-child{flex:1 1 50%;min-width:0;border-left:0;padding:14px 16px;}
  .why-img .safety-badge{right:0;}
  .why-grid{grid-template-columns:1fr 1fr;}
  .why-content{padding:0 0 42px;}
  .why-feature{grid-template-columns:1fr;gap:0;}
  .why-img{min-height:320px;}
  .ind-grid{grid-template-columns:1fr;}
  .ic-media{height:230px;}
  .ind-detail{grid-template-columns:1fr;}
  .ind-detail .id-ic{min-height:180px;}
  .cs-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px 10px;justify-items:start;}
  .case-grid,.news-grid,.feature-grid{grid-template-columns:1fr 1fr;}
  .cert-grid,.team-grid{grid-template-columns:1fr 1fr;}
  /* 两列换行：工序链纵向化，红帽/节点/虚线移至左缘 */
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step{border-top:1px solid var(--line);padding:26px 22px;}
  .st-top{top:3px;left:0;right:auto;bottom:0;width:3px;height:auto;}
  .st-top::after{top:0;left:0;width:3px;height:42px;}
  .st-rail{top:0;bottom:0;left:1.5px;right:auto;width:1px;height:auto;transform:translateX(-50%);background:repeating-linear-gradient(180deg,var(--line-dark) 0 6px,transparent 6px 12px);}
  .st-node{top:24px;left:0;transform:translateX(-50%);}
  .map-ph{min-height:380px;}
  .cta-inner{grid-template-columns:1fr;}
  .about-grid{grid-template-columns:1fr;}
  .overview-grid{grid-template-columns:1fr;}
  .scene-wrap{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .join-box{grid-template-columns:1fr;}
  .join-box .j-side{border-left:0;border-top:1px solid rgba(255,255,255,.16);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .svc-grid{grid-template-columns:1fr;}
  .stat-band{grid-template-columns:1fr 1fr;}
  .stat-band .sb{border-bottom:1px solid rgba(255,255,255,.14);}
  .stat-band .sb:nth-last-child(-n+2){border-bottom:0;}
  .stat-band{gap:14px;}
  .article-wrap{padding:38px 30px;}

  /* 移动端抽屉导航 */
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:min(330px,86vw);
    background:#fff;color:var(--ink);flex-direction:column;align-items:flex-start;
    padding:90px 26px 40px;gap:4px;transform:translateX(100%);transition:transform .3s ease;
    overflow-y:auto;margin-left:0;border-left:1px solid var(--line);
  }
  .nav-menu.open{transform:translateX(0);box-shadow:-20px 0 60px rgba(17,20,23,.2);}
  .nav-menu > li{width:100%;}
  .nav-menu > li > a{width:100%;padding:13px 12px;font-size:16.5px;color:var(--ink);}
  .nav-menu > li.active > a{color:var(--red);}
  .nav-menu > li > a .caret{margin-left:auto;}
  .mega{
    position:static;transform:none;width:100%;opacity:1;visibility:visible;pointer-events:auto;
    display:none;background:var(--bg);border:1px solid var(--line);
    box-shadow:none;padding:10px;margin:4px 0 8px;border-radius:0;color:var(--body);
    border-top:2px solid var(--red);
  }
  .mega .m-d{color:var(--muted);}
  .mega::before{display:none;}
  /* 覆盖桌面 open/hover 规则中的 translateX(-50%)，避免面板越界 */
  .nav-menu > li:hover .mega,
  .nav-menu > li.open .mega{
    transform:none;opacity:1;visibility:visible;pointer-events:auto;
  }
  .nav-menu > li.open .mega{display:grid;grid-template-columns:1fr;}
  .mega a:hover{background:#ECECEC;}
  .mega .m-t{color:var(--ink);}
  .nav-actions{margin-left:auto;}
  .nav-hotline{display:none;}
  .nav-menu .nav-drawer-hotline{
    display:flex;margin:18px 0 0;width:100%;justify-content:center;align-items:center;gap:9px;
    border:1px solid var(--red);padding:12px;
    font-family:var(--sans);font-size:15px;font-weight:600;color:var(--red);
  }
  .nav-menu .nav-drawer-hotline:hover{background:var(--red);color:#fff;}
  .nav-menu .nav-drawer-hotline svg{width:16px;height:16px;flex-shrink:0;}
  .nav-menu .nav-drawer-hotline span{white-space:nowrap;}
  .nav-toggle{display:flex;order:3;}
  .nav-actions .lang-switch{border-color:var(--line-dark);}
}

@media (max-width:640px){
  .container{padding:0 20px;}
  .section{padding:72px 0;}
  .eyebrow{font-size:11.5px;letter-spacing:.12em;}
  .page-hero{padding:130px 0 52px;}
  /* 页头标签块：等宽两列网格，替代内容宽 flex 导致的换行参差；奇数个时末位通栏 */
  .page-hero .ph-badges{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;}
  .ph-badges span{display:flex;align-items:center;justify-content:center;text-align:center;padding:8px 10px;}
  .ph-badges span:last-child:nth-child(odd){grid-column:1/-1;}
  .ind-grid,.case-grid,.news-grid,.feature-grid,.cert-grid,.team-grid{grid-template-columns:1fr;}
  .why-grid{grid-template-columns:1fr;}
  .wi-no{font-size:30px;top:14px;right:16px;}
  .fc-no{font-size:32px;}
  .sc-no{font-size:56px;right:10px;}
  .team-card .avatar{font-size:52px;}
  .team-card .avatar > span:last-child{padding-left:16px;}
  .ic-media{height:200px;}
  .ic-no{font-size:38px;top:12px;right:14px;}
  .ic-body{padding:22px 20px 24px;}
  .ic-body h4{font-size:17.5px;}
  .steps{grid-template-columns:1fr;}
  .st-node{top:26px;}
  .map-ph{min-height:340px;}
  .map-ghost{top:14px;right:16px;font-size:36px;}
  .map-ph .mp-pin{left:20px;right:20px;bottom:20px;max-width:none;}
  .map-ph .mp-kicker{margin-bottom:26px;}
  .map-ph .mp-card{padding:22px 24px 20px;}
  .map-ph .mp-pin .addr{font-size:14.5px;}
  .map-ph .mp-pin .pin{left:26px;width:40px;height:40px;}
  .map-ph .mp-pin .pin svg{width:20px;height:20px;}
  .map-ph .mp-link{margin-top:14px;}
  .map-ph .mp-note{font-size:11px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-stats{flex-wrap:wrap;padding:8px 0;}
  .hero-stats .stat,.hero-stats .stat:first-child{padding:12px 14px;}
  .hero h1{font-size:clamp(28px,7.6vw,36px);}
  .hero-indicator{display:none;}
  .form-row{grid-template-columns:1fr;}
  .article-wrap{padding:30px 22px;}
  .ov-kv{grid-template-columns:1fr;}
  .ind-detail .id-list{grid-template-columns:1fr;}
  /* 相关服务链接：等宽两列网格，奇数个时末位通栏 */
  .ind-detail .id-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;}
  .ind-detail .id-links a{display:flex;align-items:center;justify-content:center;text-align:center;padding:8px 10px;}
  .ind-detail .id-links a:last-child:nth-child(odd){grid-column:1/-1;}
  .join-box .j-list{grid-template-columns:1fr;}
  .cert-grid{grid-template-columns:1fr 1fr;}
  .join-box .j-body{padding:32px 26px;}
  .join-box .j-side{padding:32px 26px;}
  .nav-actions .lang-switch span.lang-full{display:none;}
  .brand-sub{display:none;}
  .brand-name{max-width:136px;overflow:hidden;text-overflow:ellipsis;}
  .brand-logo{height:36px;}
  .modal{padding:30px 24px;}
  .cs-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;justify-items:start;}
  .cs-row span{font-size:13.5px;}
  .to-top{right:16px;bottom:16px;}
}

/* =====================================================
   合作客户（三行共用同批LOGO循环滚动，图标行间迁移，后台「合作客户LOGO」维护）
   滚动由 page.js 驱动：与版心同宽、自动滚动、无滚动条；图标滚出左缘后
   接续到目标行尾部（1→3、2→1、3→2）；两侧半透明渐变过渡隐藏边缘图标
   ===================================================== */
.pt-grid{position:relative;display:flex;flex-direction:column;gap:16px;}
.pt-grid::before,.pt-grid::after{content:"";position:absolute;top:0;bottom:0;width:150px;z-index:2;pointer-events:none;}
.pt-grid::before{left:0;background:linear-gradient(90deg,var(--bg) 0%,rgba(245,245,245,0) 100%);}
.pt-grid::after{right:0;background:linear-gradient(270deg,var(--bg) 0%,rgba(245,245,245,0) 100%);}
.pt-row{overflow:hidden;width:100%;}
.pt-track{display:flex;width:max-content;will-change:transform;}
.pt-item{width:196px;height:92px;flex-shrink:0;display:flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);margin-right:16px;padding:16px 22px;transition:border-color .18s;}
.pt-item a{display:flex;align-items:center;justify-content:center;width:100%;height:100%;}
.pt-item img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.pt-item:hover{border-color:rgba(190,30,45,.45);}
@media (max-width:768px){
  .pt-grid{gap:12px;}
  .pt-item{width:136px;height:64px;padding:10px 14px;}
  .pt-grid::before,.pt-grid::after{width:70px;}
}

/* =====================================================
   节能维保绿色解决方案（暖通/水处理系统专项，/green-solution）
   含行业页暖通卡片内嵌热门强调块
   ===================================================== */
/* 暖通/水处理卡片内嵌热门强调块：红调底 + 左侧品牌红竖线，右下角专项页入口 */
.id-green{
  margin-top:20px;padding:18px 20px;
  background:var(--red-tint);border:1px solid rgba(190,30,45,.22);border-left:3px solid var(--red);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.ig-info{display:flex;flex-direction:column;align-items:flex-start;gap:6px;}
.id-green .id-flag{margin-bottom:0;padding:3px 12px;font-size:11.5px;}
.ig-t{font-size:17.5px;font-weight:700;color:var(--ink);}
.ig-d{font-size:13px;color:var(--body);line-height:1.7;}
.id-green .gs-cta-btn{flex-shrink:0;}
/* 首页行业区：强调横幅与卡片网格的间距 */
.home-green{margin-top:26px;}
.gs-cta-btn{
  display:inline-flex;align-items:center;gap:14px;
  background:linear-gradient(135deg,var(--red) 0%,var(--red-dark) 100%);
  color:#fff;padding:13px 22px;
  box-shadow:0 10px 24px rgba(190,30,45,.26);
  transition:transform .2s,box-shadow .2s;
}
.gs-cta-btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(190,30,45,.36);color:#fff;}
.gs-cta-btn .ic{
  width:38px;height:38px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);
}
.gs-cta-btn .ic svg{width:22px;height:22px;}
.gs-cta-btn .tx{display:flex;flex-direction:column;line-height:1.3;}
.gs-cta-btn .tx b{font-size:15.5px;font-weight:700;letter-spacing:.02em;white-space:nowrap;}
.gs-cta-btn .tx span{font-size:11px;opacity:.85;font-family:var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-top:3px;white-space:nowrap;}
.gs-cta-btn .arr{width:18px;height:18px;flex-shrink:0;transition:transform .2s;}
.gs-cta-btn:hover .arr{transform:translateX(4px);}

/* 热门徽标（强调块内使用） */
.id-flag{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--red);color:#fff;
  font-size:12px;font-weight:700;letter-spacing:.14em;
  padding:4px 12px;
}
.id-flag::before{content:"";width:6px;height:6px;background:#fff;flex-shrink:0;}

/* 页头：沿用行业页实景横幅 */
.page-hero.ph-green{background-image:linear-gradient(90deg,rgba(10,16,24,.86) 0%,rgba(10,16,24,.6) 46%,rgba(10,16,24,.24) 80%),url(../img/photos/ind-hvac.jpg?v=20260929a);}

/* 导语与快速导航 */
.gs-intro{max-width:880px;}
.gs-tagline{margin-top:20px;font-size:clamp(18px,2.2vw,24px);font-weight:700;color:var(--ink);letter-spacing:.02em;}
.gs-lead{margin-top:14px;font-size:15.5px;color:var(--body);}
.gs-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;}
.gs-nav a{
  font-size:13px;font-weight:600;color:var(--body);background:var(--surface);
  border:1px solid var(--line-dark);padding:8px 16px;
  transition:background .18s,color .18s,border-color .18s;
}
.gs-nav a:hover{background:var(--red);border-color:var(--red);color:#fff;}

/* 设备系统大卡 */
.gs-item{
  background:var(--surface);border:1px solid var(--line);
  padding:34px 38px;scroll-margin-top:100px;
}
.gs-item + .gs-item{margin-top:26px;}
.gs-head{display:flex;align-items:center;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:18px;}
.gs-ic{width:52px;height:52px;flex-shrink:0;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;}
.gs-ic svg{width:26px;height:26px;}
.gs-titles h3{font-size:21px;font-weight:700;color:var(--ink);line-height:1.35;}
.gs-no{font-family:var(--mono);color:var(--red);margin-right:10px;}
.gs-en{font-family:var(--mono);font-size:12px;letter-spacing:.12em;color:var(--faint);text-transform:uppercase;margin-top:4px;}
.gs-sum{
  font-size:14.5px;color:var(--body);line-height:1.8;
  background:var(--red-tint);border-left:3px solid var(--red);
  padding:14px 18px;margin-bottom:24px;
}
.gs-label{font-size:12.5px;font-family:var(--sans);letter-spacing:.12em;color:var(--red);font-weight:700;margin-bottom:10px;text-transform:uppercase;}
.gs-label-retro{color:var(--navy);}
.gs-cycle{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px;}
.gs-cell{background:var(--bg);border:1px solid var(--line);border-top:2px solid var(--navy);padding:16px;}
.c-k{font-size:14.5px;font-weight:700;color:var(--navy);margin-bottom:7px;}
.c-d{font-size:13px;color:var(--body);line-height:1.75;}
.gs-retro{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.gs-rcell{background:var(--red-tint);border:1px solid rgba(190,30,45,.18);padding:16px 18px;transition:border-color .18s,transform .18s;}
.gs-rcell:hover{border-color:var(--red);transform:translateY(-2px);}
.r-t{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:5px;display:flex;gap:9px;align-items:flex-start;}
.r-t::before{content:"";width:6px;height:6px;background:var(--red);margin-top:8px;flex-shrink:0;}
.r-d{font-size:13.5px;color:var(--body);line-height:1.75;}
.gs-backrow{display:flex;justify-content:center;}

@media (max-width:1024px){
  .gs-cycle{grid-template-columns:1fr 1fr;}
  .gs-retro{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .id-green{flex-direction:column;align-items:stretch;}
  .id-green .gs-cta-btn{width:100%;justify-content:space-between;}
}
@media (max-width:640px){
  .gs-cycle{grid-template-columns:1fr;}
  .gs-item{padding:24px 20px;}
  .gs-cta-btn{padding:12px 16px;}
  .gs-cta-btn .tx b{font-size:14.5px;}
}