@charset "utf-8";
/* =============================================================
   站点出售 · 石油化工催化剂  全站样式表
   Renteng Environmental Protection - Site Stylesheet
   Author: WorkBuddy
   Version: 1.0.0
   -------------------------------------------------------------
   目录 / TABLE OF CONTENTS
   01. 变量与重置 Variables & Reset
   02. 基础排版 Base Typography
   03. 布局与栅格 Layout & Grid
   04. 通用组件 Buttons / Section Head / Reveal
   05. 顶部条 & 页头 Topbar & Header
   06. 移动端导航 Mobile Nav
   07. 首页 Hero
   08. 品牌介绍 Brand Intro
   09. 数据条 Stats
   10. 产品体系 Products
   11. 技术服务 Tech Banner
   12. 全球布局 Global
   13. 新闻中心 News
   14. CTA 与页脚 CTA & Footer
   15. 内页通用 Inner Page (banner / breadcrumb / sidebar)
   16. 产品列表与详情 Product List & Detail
   17. 图文内容 Article
   18. 表单 Form
   19. 其他 Others (pager / backtop / 404)
   20. 响应式 Responsive
   ============================================================= */

/* ============================================================
   01. 变量与重置
   ============================================================ */
:root{
  /* 主色 —— 绿色工业风 */
  --g-950:#062a14;
  --g-900:#0a4a26;
  --g-800:#0d5f30;
  --g-700:#10763c;
  --g-600:#148d48;
  --g-500:#19a355;
  --g-400:#45bd77;
  --g-300:#86d6a8;
  --g-200:#c2ecd3;
  --g-100:#e2f6ea;
  --g-50:#f1fbf5;
  --g-grad:linear-gradient(135deg,#17a052 0%,#0d6c37 100%);
  --g-grad-soft:linear-gradient(135deg,#f4fbf7 0%,#e7f5ed 100%);

  /* 强调色 */
  --accent:#f0a41b;
  --accent-d:#d98d05;

  /* 中性色 */
  --ink:#151b20;
  --text:#3b454c;
  --muted:#78848d;
  --light:#9aa5ad;
  --line:#e8ecea;
  --line-2:#f0f3f1;
  --bg:#ffffff;
  --bg-soft:#f6f8f7;
  --bg-dark:#141c19;

  /* 尺寸（宽屏铺满 + 超大屏限宽，保证各元素比例正常） */
  --wrap:1680px;
  --wrap-wide:1760px;
  --r-s:3px;
  --r-m:6px;
  --r-l:12px;
  --hd-h:76px;

  /* 阴影 */
  --sh-s:0 2px 8px rgba(16,60,36,.06);
  --sh-m:0 8px 26px rgba(16,60,36,.09);
  --sh-l:0 18px 50px rgba(16,60,36,.14);

  /* 字体 */
  --ff:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Source Han Sans SC","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --ff-num:"Helvetica Neue",Arial,"Segoe UI",sans-serif;

  --ease:cubic-bezier(.4,.01,.16,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--ff);font-size:15px;line-height:1.8;color:var(--text);
  background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;border:0;vertical-align:middle}
a{color:inherit;text-decoration:none;transition:color .25s var(--ease)}
a:hover{color:var(--g-600)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,h6{margin:0;font-weight:700;color:var(--ink);line-height:1.35}
p{margin:0 0 1em}
p:last-child{margin-bottom:0}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit}
button{cursor:pointer;border:0;background:none;padding:0}
table{border-collapse:collapse;width:100%}
::selection{background:var(--g-500);color:#fff}

/* ============================================================
   02. 基础排版
   ============================================================ */
.h1{font-size:clamp(26px,3.4vw,44px)}
.h2{font-size:clamp(22px,2.4vw,32px)}
.h3{font-size:clamp(18px,1.6vw,22px)}
.t-green{color:var(--g-600)}
.t-ink{color:var(--ink)}
.t-muted{color:var(--muted)}
.t-center{text-align:center}
.num{font-family:var(--ff-num);font-weight:800;letter-spacing:-.02em;font-variant-numeric:tabular-nums}

/* ============================================================
   03. 布局与栅格
   ============================================================ */
.wrap{width:100%;max-width:var(--wrap);margin:0 auto;padding:0 clamp(16px,3vw,48px)}
.wrap-wide{width:100%;max-width:var(--wrap-wide);margin:0 auto;padding:0 clamp(16px,3vw,48px)}
.sec{padding:86px 0}
.sec-sm{padding:58px 0}
.sec-soft{background:var(--bg-soft)}
.sec-tint{background:var(--g-grad-soft)}
.grid{display:grid;gap:24px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-contact{grid-template-columns:1.15fr 1fr;gap:42px;align-items:start}
.flex{display:flex}
.ai-c{align-items:center}
.jc-b{justify-content:space-between}
.gap-s{gap:10px}
.gap-m{gap:20px}
.mt-s{margin-top:12px}
.mt-m{margin-top:24px}
.mt-l{margin-top:40px}
.mb-m{margin-bottom:24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ============================================================
   04. 通用组件
   ============================================================ */
/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-width:132px;height:44px;padding:0 26px;border-radius:var(--r-s);
  font-size:14px;font-weight:600;letter-spacing:.02em;line-height:1;
  transition:all .3s var(--ease);white-space:nowrap;
}
.btn svg,.btn img{width:15px;height:15px;flex:0 0 auto}
.btn-primary{background:var(--g-600);color:#fff;box-shadow:0 6px 18px rgba(20,141,72,.28)}
.btn-primary:hover{background:var(--g-700);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px rgba(20,141,72,.34)}
.btn-ghost{border:1px solid rgba(255,255,255,.72);color:#fff;background:rgba(255,255,255,.06);backdrop-filter:blur(2px)}
.btn-ghost:hover{background:#fff;color:var(--g-700);border-color:#fff}
.btn-outline{border:1px solid var(--g-600);color:var(--g-700);background:#fff}
.btn-outline:hover{background:var(--g-600);color:#fff}
.btn-light{background:#fff;color:var(--g-700)}
.btn-light:hover{background:var(--g-50);color:var(--g-800)}
.btn-sm{height:36px;min-width:96px;padding:0 18px;font-size:13px}
.btn-lg{height:50px;min-width:160px;font-size:15px}

/* 区块标题 */
.sec-head{margin-bottom:38px}
.sec-head.center{text-align:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--g-600);letter-spacing:.14em;text-transform:uppercase}
.kicker::before{content:"";width:14px;height:14px;border-radius:2px;background:var(--g-500);box-shadow:0 0 0 3px var(--g-100)}
.sec-head .kicker{margin-bottom:12px}
.sec-title{font-size:clamp(21px,2.3vw,31px);letter-spacing:.01em}
.sec-lead{margin-top:10px;color:var(--g-700);font-size:16px;font-weight:600;letter-spacing:.02em}
.sec-desc{margin-top:12px;color:var(--muted);max-width:760px}
.sec-head.center .sec-desc{margin-left:auto;margin-right:auto}

/* 滚动进场 */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.is-in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}
.reveal.d2{transition-delay:.16s}
.reveal.d3{transition-delay:.24s}
.reveal.d4{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1!important;transform:none!important;transition:none}
  html{scroll-behavior:auto}
}

/* ============================================================
   05. 顶部条 & 页头
   ============================================================ */
.topbar{background:var(--g-900);color:rgba(255,255,255,.82);font-size:13px;line-height:1}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:38px}
.topbar a{color:rgba(255,255,255,.82)}
.topbar a:hover{color:#fff}
.topbar-l{display:flex;align-items:center;gap:10px;min-width:0}
.topbar-l span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-r{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.topbar-r i{display:inline-flex;width:13px;height:13px;margin-right:6px;vertical-align:-2px}

.site-header{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .3s var(--ease)}
.site-header.is-stuck{box-shadow:0 6px 22px rgba(12,50,30,.09)}
.hd-inner{display:flex;align-items:center;justify-content:space-between;height:var(--hd-h)}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{width:40px;height:40px;flex:0 0 auto}
.brand-txt{display:flex;flex-direction:column;line-height:1.15}
.brand-cn{font-size:19px;font-weight:800;color:var(--g-800);letter-spacing:.04em}
.brand-en{font-size:10px;color:var(--light);letter-spacing:.16em;text-transform:uppercase}

.site-nav{display:flex;align-items:center;gap:2px;height:100%}
.nav-i{position:relative;height:var(--hd-h);display:flex;align-items:center}
.nav-i>a{display:flex;align-items:center;gap:5px;height:100%;padding:0 15px;font-size:15px;font-weight:500;color:var(--ink);position:relative}
.nav-i>a::after{content:"";position:absolute;left:15px;right:15px;bottom:20px;height:2px;background:var(--g-500);transform:scaleX(0);transform-origin:left;transition:transform .3s var(--ease)}
.nav-i:hover>a,.nav-i>a:hover,.nav-i.on>a{color:var(--g-700)}
.nav-i:hover>a::after,.nav-i.on>a::after{transform:scaleX(1)}
.nav-i>a .caret{width:9px;height:9px;opacity:.55}
.nav-sub{
  position:absolute;left:0;top:calc(var(--hd-h) - 6px);min-width:190px;background:#fff;
  border-top:3px solid var(--g-600);box-shadow:var(--sh-m);border-radius:0 0 var(--r-m) var(--r-m);
  padding:8px 0;opacity:0;visibility:hidden;transform:translateY(10px);transition:all .28s var(--ease);
}
.nav-i:hover .nav-sub{opacity:1;visibility:visible;transform:none}
.nav-sub a{display:block;padding:9px 20px;font-size:14px;color:var(--text);white-space:nowrap}
.nav-sub a:hover{background:var(--g-50);color:var(--g-700);padding-left:26px}

.hd-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto}
.hd-tel{display:flex;align-items:center;gap:9px;line-height:1.2}
.hd-tel i{display:flex;width:34px;height:34px;align-items:center;justify-content:center;border-radius:50%;background:var(--g-50);color:var(--g-600)}
.hd-tel i svg{width:16px;height:16px}
.hd-tel b{display:block;font-family:var(--ff-num);font-size:16px;font-weight:800;color:var(--g-700);letter-spacing:.01em}
.hd-tel small{display:block;font-size:11px;color:var(--light);letter-spacing:.06em}

.nav-toggle{display:none;width:42px;height:42px;align-items:center;justify-content:center;border-radius:var(--r-s);color:var(--ink)}
.nav-toggle svg{width:24px;height:24px}

/* ============================================================
   06. 移动端导航
   ============================================================ */
.mask{position:fixed;inset:0;background:rgba(6,30,17,.55);opacity:0;visibility:hidden;transition:.3s var(--ease);z-index:940}
.mask.on{opacity:1;visibility:visible}
.mnav{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);background:#fff;z-index:960;
  transform:translateX(100%);transition:transform .34s var(--ease);display:flex;flex-direction:column;
  box-shadow:-10px 0 40px rgba(0,0,0,.16);
}
.mnav.on{transform:none}
.mnav-hd{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--line)}
.mnav-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;color:var(--muted)}
.mnav-close svg{width:20px;height:20px}
.mnav-body{flex:1;overflow-y:auto;padding:8px 0 24px}
.mnav-body>li>a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px 20px;font-size:16px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-2);cursor:pointer;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;transition:background .2s}
.mnav-body>li>a:active{background:var(--bg-soft)}
.mnav-body>li>a .caret{width:14px;height:14px;flex:0 0 auto;opacity:.5;transition:transform .3s var(--ease)}
.mnav-body>li>a.exp .caret{transform:rotate(180deg)}
.mnav-body>li.on>a{color:var(--g-700);background:var(--g-50)}
.mnav-sub{background:var(--bg-soft);display:none}
.mnav-sub.on{display:block}
.mnav-sub a{display:block;padding:11px 20px 11px 34px;font-size:14px;color:var(--muted);border-bottom:1px solid #fff}
.mnav-foot{padding:18px 20px;border-top:1px solid var(--line);background:var(--g-50)}

/* ============================================================
   07. 首页 Hero
   ============================================================ */
.hero{position:relative;overflow:hidden;background:var(--g-900)}
.hero-bg{position:absolute;inset:0;background:url("../img/hero.jpg") center 38%/cover no-repeat;transform:scale(1.04)}
.hero-ov{position:absolute;inset:0;background:linear-gradient(100deg,rgba(8,62,32,.94) 0%,rgba(13,92,47,.86) 42%,rgba(16,120,60,.62) 100%)}
.hero-grain{position:absolute;inset:0;opacity:.5;background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);background-size:26px 26px}
.hero-inner{position:relative;z-index:3;display:flex;align-items:center;min-height:clamp(460px,62vh,600px);padding:70px clamp(16px,3vw,48px)}
.hero-txt{max-width:760px;color:#fff}
.hero-eyebrow{display:inline-flex;align-items:center;gap:9px;padding:6px 15px;border:1px solid rgba(255,255,255,.32);border-radius:100px;font-size:12.5px;letter-spacing:.12em;color:rgba(255,255,255,.92);margin-bottom:22px}
.hero-eyebrow b{color:var(--g-300);font-weight:700}
.hero-title{color:#fff;font-size:clamp(29px,4.2vw,54px);line-height:1.24;letter-spacing:.02em;font-weight:800;text-shadow:0 4px 26px rgba(0,0,0,.22)}
.hero-title em{font-style:normal;color:#bff0d2;position:relative}
.hero-sub{margin-top:20px;font-size:clamp(14px,1.25vw,17px);color:rgba(255,255,255,.86);line-height:1.9;max-width:640px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tags span{font-size:12.5px;padding:5px 13px;border-radius:100px;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.2);color:rgba(255,255,255,.94)}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-mol{position:absolute;z-index:2;pointer-events:none;opacity:.5}
.hero-mol.m1{width:190px;top:12%;right:8%}
.hero-mol.m2{width:120px;bottom:14%;right:26%}
.hero-mol.m3{width:86px;top:22%;left:3%}
.hero-fade{position:absolute;left:0;right:0;bottom:0;height:90px;background:linear-gradient(to bottom,transparent,#fff);z-index:4;pointer-events:none}
.hero-marquee{position:absolute;left:0;right:0;bottom:0;z-index:5;background:rgba(4,42,21,.5);backdrop-filter:blur(4px);border-top:1px solid rgba(255,255,255,.1)}
.hero-marquee .wrap{display:flex;gap:46px;align-items:center;height:52px;overflow:hidden}
.hero-marquee span{color:rgba(255,255,255,.72);font-size:13px;white-space:nowrap;display:flex;align-items:center;gap:8px}
.hero-marquee span::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--g-300)}

/* ============================================================
   08. 品牌介绍
   ============================================================ */
.intro-top{display:grid;grid-template-columns:minmax(260px,360px) 1fr;gap:52px;align-items:center}
.intro-wordmark{line-height:.92}
.intro-wordmark .en{display:block;font-family:var(--ff-num);font-size:clamp(40px,5.6vw,74px);font-weight:900;letter-spacing:-.02em;color:var(--g-600);text-transform:uppercase}
.intro-wordmark .cn{display:block;margin-top:6px;font-size:clamp(15px,1.5vw,20px);font-weight:700;color:var(--g-800);letter-spacing:.34em}
.intro-wordmark .rule{display:block;width:66px;height:4px;background:var(--accent);margin-top:16px;border-radius:2px}
.intro-body h2{font-size:clamp(19px,1.9vw,25px);line-height:1.6}
.intro-body h2 b{color:var(--g-600)}
.intro-body p{margin-top:14px;color:var(--muted);font-size:14.5px;line-height:2}
.intro-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.intro-points span{font-size:13px;color:var(--g-700);background:var(--g-50);border:1px solid var(--g-100);border-radius:100px;padding:5px 14px}

/* ============================================================
   09. 数据条
   ============================================================ */
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:44px;border-top:1px solid var(--line);padding-top:34px}
.stat-i{display:flex;align-items:center;gap:16px;padding:0 26px;border-left:1px dashed var(--line)}
.stat-i:first-child{border-left:0;padding-left:0}
.stat-i:last-child{padding-right:0}
.stat-ic{width:46px;height:46px;flex:0 0 auto;border-radius:var(--r-m);background:var(--g-50);display:flex;align-items:center;justify-content:center;color:var(--g-600)}
.stat-ic svg{width:22px;height:22px}
.stat-tx b{display:block;font-family:var(--ff-num);font-size:clamp(30px,3.4vw,50px);font-weight:900;color:var(--g-700);line-height:1.04;letter-spacing:-.01em}
.stat-tx b i{font-style:normal;font-size:.5em;font-weight:700;margin-left:2px;color:var(--g-500)}
.stat-tx > span{display:block;margin-top:4px;font-size:13.5px;color:var(--muted)}

/* 图文 + 荣誉 */
.intro-media{display:grid;grid-template-columns:1.62fr 1fr;gap:26px;margin-top:56px}
.media-box{position:relative;overflow:hidden;border-radius:var(--r-l);background:#fff;box-shadow:var(--sh-s)}
.media-slider{position:relative;aspect-ratio:16/10}
.media-slide{position:absolute;inset:0;opacity:0;transition:opacity .7s var(--ease)}
.media-slide.on{opacity:1}
.media-slide img{width:100%;height:100%;object-fit:cover}
.media-slider::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(20,141,72,.42),rgba(20,141,72,0) 62%);pointer-events:none}
.media-cap{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:34px 26px 20px;background:linear-gradient(to top,rgba(4,42,21,.82),transparent);color:#fff}
.media-cap b{display:block;font-size:18px}
.media-cap span{font-size:13px;color:rgba(255,255,255,.8)}
.media-nav{position:absolute;z-index:3;top:50%;transform:translateY(-50%);right:18px;display:flex;flex-direction:column;gap:8px}
.media-nav button{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.85);color:var(--g-800);display:flex;align-items:center;justify-content:center;transition:.25s var(--ease)}
.media-nav button:hover{background:#fff;transform:scale(1.06)}
.media-nav svg{width:15px;height:15px}
.media-dots{position:absolute;z-index:3;left:26px;bottom:14px;display:flex;gap:7px}
.media-dots button{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.5)}
.media-dots button.on{background:#fff;width:20px;border-radius:4px}

.cert-card{padding:26px 24px;display:flex;flex-direction:column;align-items:center;text-align:center;height:100%}
.cert-badge{width:74px;height:74px;border-radius:50%;background:var(--g-grad-soft);display:flex;align-items:center;justify-content:center;color:var(--g-600);margin-bottom:14px}
.cert-badge svg{width:38px;height:38px}
.cert-card h3{font-size:17px}
.cert-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.9}
.cert-list{margin-top:16px;width:100%;text-align:left}
.cert-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.5px;color:var(--text);padding:8px 0;border-bottom:1px dashed var(--line)}
.cert-list li:last-child{border-bottom:0}
.cert-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--g-500);flex:0 0 auto;margin-top:9px}

/* ============================================================
   10. 产品体系
   ============================================================ */
.prod-wrap{display:grid;grid-template-columns:300px 1fr;gap:30px;align-items:start}
.cat-panel{background:linear-gradient(160deg,#0f8a45 0%,#0a5c2c 100%);border-radius:var(--r-l);padding:34px 30px;color:#fff;position:relative;overflow:hidden;box-shadow:var(--sh-m)}
.cat-panel::before{content:"";position:absolute;right:-40px;top:-40px;width:170px;height:170px;border-radius:50%;border:26px solid rgba(255,255,255,.06)}
.cat-panel::after{content:"";position:absolute;left:-50px;bottom:-60px;width:150px;height:150px;border-radius:50%;background:rgba(255,255,255,.05)}
.cat-panel h3{color:#fff;font-size:26px;position:relative;z-index:1}
.cat-panel>span{display:block;position:relative;z-index:1;font-size:12.5px;color:rgba(255,255,255,.7);letter-spacing:.1em;text-transform:uppercase;margin-top:6px}
.cat-list{position:relative;z-index:1;margin-top:24px}
.cat-list li{border-bottom:1px solid rgba(255,255,255,.14)}
.cat-list li:last-child{border-bottom:0}
.cat-list a{display:flex;align-items:center;gap:11px;padding:11px 0;font-size:14.5px;color:rgba(255,255,255,.9)}
.cat-list a:hover{color:#fff;padding-left:6px}
.cat-list a i{width:22px;height:22px;flex:0 0 auto;border-radius:50%;background:rgba(255,255,255,.14);font-size:11px;font-style:normal;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:var(--ff-num)}
.cat-list a:hover i{background:var(--accent);color:#3c2a00}
.cat-panel .btn{margin-top:24px;position:relative;z-index:1;width:100%}

.prod-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.prod-cards{counter-reset:pno}
.pcard-no::before{counter-increment:pno;content:counter(pno,decimal-leading-zero)}
.pcard{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;transition:.35s var(--ease);display:flex;flex-direction:column}
.pcard:hover{transform:translateY(-6px);box-shadow:var(--sh-l);border-color:var(--g-200)}
.pcard-img{position:relative;aspect-ratio:4/3;background:var(--bg-soft);overflow:hidden}
.pcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.pcard:hover .pcard-img img{transform:scale(1.07)}
.pcard-no{position:absolute;left:14px;top:12px;z-index:2;font-family:var(--ff-num);font-size:30px;font-weight:900;color:var(--g-500);opacity:.85;line-height:1}
.pcard-cat{position:absolute;right:12px;top:12px;z-index:2;font-size:11.5px;padding:3px 10px;border-radius:100px;background:rgba(255,255,255,.92);color:var(--g-700);box-shadow:var(--sh-s)}
.pcard-bd{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column}
.pcard-bd h3{font-size:15.5px;line-height:1.5;min-height:46px}
.pcard-bd h3 a{color:var(--ink)}
.pcard-bd h3 a:hover{color:var(--g-600)}
.pcard-bd p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.8;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.pcard-ft{margin-top:16px;padding-top:14px;border-top:1px solid var(--line-2);display:flex;align-items:center;justify-content:space-between}
.pcard-ft .bar{width:42px;height:3px;background:var(--g-500);border-radius:2px;transition:width .35s var(--ease)}
.pcard:hover .pcard-ft .bar{width:64px}
.pcard-ft .go{font-size:12.5px;color:var(--g-600);font-weight:600;display:inline-flex;align-items:center;gap:4px}
.pcard-ft .go svg{width:13px;height:13px}
.prod-pager{display:flex;align-items:center;gap:8px;justify-content:center;margin-top:28px}
.prod-pager button{width:9px;height:9px;border-radius:50%;background:var(--line);transition:.25s}
.prod-pager button.on{background:var(--g-500);width:26px;border-radius:5px}

/* ============================================================
   11. 技术服务 Tech Banner
   ============================================================ */
.tech{position:relative;overflow:hidden;background:var(--g-900);color:#fff}
.tech-bg{position:absolute;inset:0;background:url("../img/lab.jpg") center/cover no-repeat;opacity:.32}
.tech-ov{position:absolute;inset:0;background:linear-gradient(105deg,rgba(6,58,30,.95) 0%,rgba(9,78,40,.9) 46%,rgba(10,90,46,.74) 100%)}
.tech-inner{position:relative;z-index:2;padding:80px 0}
.tech .kicker{color:var(--g-300)}
.tech .kicker::before{background:var(--g-400);box-shadow:0 0 0 3px rgba(255,255,255,.12)}
.tech h2{color:#fff;font-size:clamp(21px,2.3vw,31px);margin-bottom:14px}
.tech p{color:rgba(255,255,255,.82);max-width:720px;line-height:2}
.tech-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
.tcard{background:rgba(255,255,255,.09);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-m);padding:26px 22px;backdrop-filter:blur(3px);transition:.35s var(--ease)}
.tcard:hover{background:rgba(255,255,255,.16);transform:translateY(-5px);border-color:rgba(255,255,255,.3)}
.tcard-ic{width:44px;height:44px;border-radius:var(--r-s);background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;color:#fff;margin-bottom:16px}
.tcard-ic svg{width:22px;height:22px}
.tcard h3{color:#fff;font-size:16.5px}
.tcard p{margin-top:8px;font-size:13px;color:rgba(255,255,255,.72);line-height:1.8}

/* ============================================================
   12. 全球布局 Global
   ============================================================ */
.global{display:grid;grid-template-columns:1fr 1.25fr 1fr;gap:34px;align-items:center;margin-top:14px}
.global-l h2{font-size:clamp(19px,1.9vw,25px);line-height:1.6}
.global-l h2 b{color:var(--g-600)}
.global-l p{margin-top:14px;color:var(--muted);font-size:14px;line-height:2}
.bignum{margin-top:26px}
.bignum b{display:block;font-family:var(--ff-num);font-size:clamp(58px,7vw,96px);font-weight:900;color:var(--g-500);line-height:.9;letter-spacing:-.03em}
.bignum > span{display:block;margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:.04em}
.globe-box{position:relative;aspect-ratio:1/1;max-width:420px;margin:0 auto;width:100%}
.globe-box svg{width:100%;height:100%;overflow:visible}
.globe-orbit{animation:spin 26s linear infinite;transform-origin:50% 50%}
.globe-orbit.rev{animation-direction:reverse;animation-duration:34s}
@keyframes spin{to{transform:rotate(360deg)}}
.globe-pulse{animation:pulse 3.4s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.35}50%{opacity:1}}
.global-r{display:flex;flex-direction:column;gap:26px}
.gstat{padding-bottom:22px;border-bottom:1px dashed var(--line)}
.gstat:last-child{border-bottom:0;padding-bottom:0}
.gstat b{display:block;font-family:var(--ff-num);font-size:clamp(38px,4.4vw,60px);font-weight:900;color:var(--ink);line-height:1;letter-spacing:-.02em}
.gstat b i{font-style:normal;color:var(--g-500);font-size:.55em;margin-left:3px}
.gstat > span{display:block;margin-top:8px;font-size:13.5px;color:var(--muted)}

/* ============================================================
   13. 新闻中心
   ============================================================ */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.tabs{display:flex;gap:10px;flex-wrap:wrap}
.tabs button{height:38px;padding:0 20px;border:1px solid var(--line);border-radius:var(--r-s);font-size:13.5px;font-weight:600;color:var(--text);background:#fff;transition:.28s var(--ease)}
.tabs button:hover{border-color:var(--g-300);color:var(--g-700)}
.tabs button.on{background:var(--g-600);border-color:var(--g-600);color:#fff;box-shadow:0 6px 16px rgba(20,141,72,.24)}
.tabs .tabs-more{border-color:var(--g-600);color:var(--g-700)}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:36px}
.news-grid{counter-reset:nno}
.ncard-no::before{counter-increment:nno;content:counter(nno,decimal-leading-zero)}
.ncard{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:26px 24px 20px;display:flex;flex-direction:column;transition:.35s var(--ease);position:relative;overflow:hidden}
.ncard::before{content:"";position:absolute;left:0;top:0;height:3px;width:0;background:var(--g-500);transition:width .45s var(--ease)}
.ncard:hover{transform:translateY(-6px);box-shadow:var(--sh-l);border-color:var(--g-200)}
.ncard:hover::before{width:100%}
.ncard h3{font-size:15.5px;line-height:1.6;flex:0 0 auto;min-height:74px}
.ncard h3 a{color:var(--ink)}
.ncard h3 a:hover{color:var(--g-600)}
.ncard p{margin-top:12px;font-size:13px;color:var(--muted);line-height:1.85;flex:1;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ncard-ft{margin-top:20px;padding-top:16px;border-top:1px solid var(--line-2);display:flex;align-items:flex-end;justify-content:space-between}
.ncard-no{font-family:var(--ff-num);font-size:38px;font-weight:900;color:var(--g-500);line-height:.85;letter-spacing:-.02em}
.ncard-date{font-family:var(--ff-num);font-size:12.5px;color:var(--light);letter-spacing:.05em}
/* 新闻卡片右上角分类标签：按需求默认不显示（如需恢复，在 index.html 的 .ncard 内加回 <span class="ncard-tag">分类名</span> 即可） */
.ncard-tag{position:absolute;right:16px;top:16px;font-size:11px;color:var(--g-700);background:var(--g-50);border-radius:100px;padding:2px 10px}

/* ============================================================
   14. CTA 与页脚
   ============================================================ */
.cta{position:relative;overflow:hidden;background:var(--g-grad)}
.cta::after{content:"";position:absolute;right:-80px;top:-80px;width:300px;height:300px;border-radius:50%;border:44px solid rgba(255,255,255,.07)}
.cta .wrap{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;padding-top:44px;padding-bottom:44px}
.cta-tx h2{color:#fff;font-size:clamp(19px,2vw,27px)}
.cta-tx p{margin-top:8px;color:rgba(255,255,255,.85);font-size:14px}
.cta-tel{display:flex;align-items:center;gap:14px;color:#fff}
.cta-tel i{width:52px;height:52px;border-radius:50%;background:rgba(255,255,255,.16);display:flex;align-items:center;justify-content:center}
.cta-tel i svg{width:24px;height:24px}
.cta-tel small{display:block;font-size:12px;color:rgba(255,255,255,.78);letter-spacing:.06em}
.cta-tel b{display:block;font-family:var(--ff-num);font-size:clamp(20px,2.2vw,28px);font-weight:800;letter-spacing:.01em}

.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.66);font-size:13.5px;padding-top:60px}
.ft-top{display:flex;align-items:center;gap:28px;flex-wrap:wrap;padding-bottom:28px;border-bottom:1px solid rgba(255,255,255,.09)}
.ft-brand{display:flex;align-items:center;gap:12px}
.ft-brand .brand-cn{color:#fff}
.ft-brand .brand-en{color:rgba(255,255,255,.42)}
.ft-slogan{color:rgba(255,255,255,.5);font-size:13.5px}
.ft-tags{display:flex;flex-wrap:wrap;gap:10px;padding:26px 0;border-bottom:1px solid rgba(255,255,255,.09)}
.ft-tags a{font-size:12.5px;padding:6px 15px;border:1px solid rgba(255,255,255,.16);border-radius:var(--r-s);color:rgba(255,255,255,.76)}
.ft-tags a:hover{background:var(--g-600);border-color:var(--g-600);color:#fff}
.ft-tags a.on{background:var(--g-600);border-color:var(--g-600);color:#fff}
.ft-main{display:grid;grid-template-columns:repeat(3,1fr) 1.35fr;gap:34px;padding:40px 0}
.ft-col h4{color:#fff;font-size:15px;margin-bottom:16px;position:relative;padding-bottom:10px}
.ft-col h4::after{content:"";position:absolute;left:0;bottom:0;width:26px;height:2px;background:var(--g-500)}
.ft-col li{margin-bottom:9px}
.ft-col a{color:rgba(255,255,255,.62)}
.ft-col a:hover{color:#fff;padding-left:4px}
.ft-contact li{display:flex;gap:10px;margin-bottom:12px;line-height:1.7}
.ft-contact li i{width:16px;height:16px;flex:0 0 auto;margin-top:4px;color:var(--g-400)}
.ft-contact li i svg{width:16px;height:16px}
.ft-bottom{border-top:1px solid rgba(255,255,255,.09);padding:20px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12.5px;color:rgba(255,255,255,.42)}
.ft-bottom a{color:rgba(255,255,255,.42)}
.ft-bottom a:hover{color:rgba(255,255,255,.8)}
.ft-bottom .links{display:flex;gap:18px;flex-wrap:wrap}

/* ============================================================
   15. 内页通用
   ============================================================ */
.page-hero{position:relative;overflow:hidden;background:var(--g-900);padding:66px 0}
.page-hero .hero-bg{background-position:center 30%;opacity:.5}
.page-hero .hero-ov{background:linear-gradient(100deg,rgba(6,56,29,.95),rgba(11,84,43,.82))}
.page-hero-inner{position:relative;z-index:3}
.page-hero h1{color:#fff;font-size:clamp(23px,2.7vw,36px);letter-spacing:.02em}
.page-hero .en{display:block;margin-top:8px;font-family:var(--ff-num);font-size:12.5px;letter-spacing:.28em;text-transform:uppercase;color:rgba(255,255,255,.5)}
.page-hero p{margin-top:14px;color:rgba(255,255,255,.8);max-width:720px;font-size:14.5px}

.crumb{background:var(--bg-soft);border-bottom:1px solid var(--line)}
.crumb .wrap{display:flex;align-items:center;gap:8px;height:52px;font-size:13.5px;color:var(--muted);overflow-x:auto;white-space:nowrap}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--g-600)}
.crumb .sep{color:var(--light)}
.crumb .cur{color:var(--g-700);font-weight:600}

.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 296px;gap:42px;align-items:start}
.side-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;margin-bottom:22px}
.side-hd{background:var(--g-grad);color:#fff;padding:15px 20px;font-size:15.5px;font-weight:700;display:flex;align-items:center;justify-content:space-between}
.side-hd span{font-family:var(--ff-num);font-size:10.5px;letter-spacing:.16em;color:rgba(255,255,255,.66);font-weight:600}
.side-nav li{border-bottom:1px solid var(--line-2)}
.side-nav li:last-child{border-bottom:0}
.side-nav a{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;font-size:14px;color:var(--text)}
.side-nav a:hover{background:var(--g-50);color:var(--g-700);padding-left:26px}
.side-nav li.on a{background:var(--g-50);color:var(--g-700);font-weight:600;border-left:3px solid var(--g-600);padding-left:23px}
.side-nav a svg,.side-nav a img{width:13px;height:13px;color:var(--light)}
.side-prods{padding:14px 16px}
.side-prods a{display:flex;gap:12px;align-items:center;padding:9px 0;border-bottom:1px dashed var(--line)}
.side-prods a:last-child{border-bottom:0}
.side-prods .thumb{width:56px;height:56px;flex:0 0 auto;border-radius:var(--r-s);overflow:hidden;background:var(--bg-soft)}
.side-prods .thumb img{width:100%;height:100%;object-fit:cover}
.side-prods b{display:block;font-size:13.5px;font-weight:600;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.side-prods span{display:block;font-size:11.5px;color:var(--light);margin-top:3px}
.side-prods a:hover b{color:var(--g-600)}
.side-cta{padding:22px 20px;text-align:center;background:var(--g-grad-soft)}
.side-cta p{font-size:13px;color:var(--muted);margin-bottom:6px}
.side-cta b{display:block;font-family:var(--ff-num);font-size:21px;color:var(--g-700);font-weight:800;letter-spacing:.01em}
.side-cta .btn{margin-top:16px;width:100%}

/* ============================================================
   16. 产品列表与详情
   ============================================================ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;padding-bottom:22px;border-bottom:1px solid var(--line)}
.filter-bar button{height:38px;padding:0 19px;border:1px solid var(--line);border-radius:var(--r-s);background:#fff;font-size:13.5px;color:var(--text);transition:.28s var(--ease)}
.filter-bar button b{font-family:var(--ff-num);color:var(--light);font-weight:700;margin-left:5px;font-size:12px}
.filter-bar button:hover{border-color:var(--g-300);color:var(--g-700)}
.filter-bar button.on{background:var(--g-600);border-color:var(--g-600);color:#fff}
.filter-bar button.on b{color:rgba(255,255,255,.72)}

.plist{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plist .pcard-bd h3{min-height:auto}
.plist-empty{display:none;padding:60px 0;text-align:center;color:var(--light);font-size:14px}
.plist-empty.on{display:block}
.plist-group{margin-bottom:44px}
.plist-group:last-child{margin-bottom:0}
.plist-group-hd{display:flex;align-items:center;gap:14px;margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--g-100)}
.plist-group-hd i{width:34px;height:34px;flex:0 0 auto;border-radius:50%;background:var(--g-grad);color:#fff;display:flex;align-items:center;justify-content:center;font-family:var(--ff-num);font-weight:800;font-size:14px;font-style:normal}
.plist-group-hd h2{font-size:19px}
.plist-group-hd span{margin-left:auto;font-size:12.5px;color:var(--light);font-family:var(--ff-num);letter-spacing:.06em}

/* 产品详情 */
.pdetail{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:38px;align-items:start}
.pdetail-gal{background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-m);padding:24px;position:sticky;top:calc(var(--hd-h) + 18px)}
.pdetail-gal .main{aspect-ratio:1/1;background:#fff;border-radius:var(--r-s);overflow:hidden;display:flex;align-items:center;justify-content:center}
.pdetail-gal .main img{width:100%;height:100%;object-fit:contain}
.pdetail-info h1{font-size:clamp(20px,2.1vw,27px);line-height:1.45}
.pdetail-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.pdetail-meta span{font-size:12.5px;color:var(--g-700);background:var(--g-50);border:1px solid var(--g-100);border-radius:100px;padding:4px 13px}
.pdetail-lead{margin-top:20px;padding:18px 20px;background:var(--g-grad-soft);border-left:3px solid var(--g-500);border-radius:0 var(--r-s) var(--r-s) 0;font-size:14.5px;color:var(--text);line-height:2}
.dl-list{margin-top:22px;border-top:1px solid var(--line)}
.dl-list li{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:13px 0;border-bottom:1px solid var(--line-2);font-size:14px}
.dl-list li b{color:var(--muted);font-weight:500}
.pdetail-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

.spec-title{display:flex;align-items:center;gap:12px;margin:44px 0 18px;font-size:19px;font-weight:700;color:var(--ink)}
.spec-title::before{content:"";width:4px;height:19px;background:var(--g-500);border-radius:2px}
.spec-title small{font-weight:400;font-size:12.5px;color:var(--light);letter-spacing:.06em}
.spec-tb{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-m)}
.spec-tb table{min-width:520px;font-size:14px}
.spec-tb th,.spec-tb td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line)}
.spec-tb thead th{background:var(--g-600);color:#fff;font-weight:600;font-size:13.5px;letter-spacing:.03em}
.spec-tb tbody tr:nth-child(even){background:var(--bg-soft)}
.spec-tb tbody tr:last-child td{border-bottom:0}
.spec-tb td:first-child{color:var(--muted);width:38%}
.spec-tb td b{color:var(--g-700);font-family:var(--ff-num)}
.spec-note{margin-top:12px;font-size:12.5px;color:var(--light)}
.pnav{display:flex;justify-content:space-between;gap:16px;margin-top:36px;padding-top:22px;border-top:1px solid var(--line);flex-wrap:wrap}
.pnav a{font-size:14px;color:var(--text);max-width:46%}
.pnav a:hover{color:var(--g-600)}
.pnav a small{display:block;font-size:12px;color:var(--light);margin-bottom:4px}

/* ============================================================
   17. 图文内容 Article
   ============================================================ */
.rich{font-size:15px;line-height:2.05;color:var(--text)}
.rich h2{font-size:21px;margin:34px 0 14px;padding-left:14px;border-left:4px solid var(--g-500)}
.rich h3{font-size:17.5px;margin:26px 0 12px}
.rich p{margin:0 0 16px}
.rich strong{color:var(--ink)}
.rich ul,.rich ol{margin:0 0 18px;padding-left:22px}
.rich ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:9px}
.rich ul li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:6px;border-radius:50%;background:var(--g-500)}
.rich ol{counter-reset:n}
.rich ol li{list-style:none;counter-increment:n;position:relative;padding-left:28px;margin-bottom:9px}
.rich ol li::before{content:counter(n);position:absolute;left:0;top:6px;width:19px;height:19px;border-radius:50%;background:var(--g-50);color:var(--g-700);font-size:11.5px;font-weight:700;display:flex;align-items:center;justify-content:center;font-family:var(--ff-num)}
.rich img{border-radius:var(--r-m);margin:20px 0}
.rich blockquote{margin:20px 0;padding:18px 22px;background:var(--g-grad-soft);border-left:3px solid var(--g-500);border-radius:0 var(--r-s) var(--r-s) 0;color:var(--muted);font-size:14px}
.rich table{font-size:14px;margin:20px 0;border:1px solid var(--line)}
.rich table th,.rich table td{padding:11px 14px;border:1px solid var(--line)}
.rich table th{background:var(--g-50);color:var(--g-800);font-weight:600}

.article-hd{padding-bottom:24px;border-bottom:1px solid var(--line);margin-bottom:30px}
.article-hd h1{font-size:clamp(20px,2.1vw,28px);line-height:1.5}
.article-meta{display:flex;flex-wrap:wrap;gap:20px;margin-top:16px;font-size:13px;color:var(--light)}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta svg{width:14px;height:14px}
.article-meta b{color:var(--g-700);font-weight:600}
.article-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px;padding-top:22px;border-top:1px dashed var(--line)}
.article-tags a{font-size:12.5px;padding:5px 14px;border-radius:100px;background:var(--bg-soft);color:var(--muted)}
.article-tags a:hover{background:var(--g-600);color:#fff}

/* 新闻列表 */
.nlist li{display:grid;grid-template-columns:96px 1fr 20px;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line);transition:.3s var(--ease)}
.nlist li:first-child{padding-top:0}
.nlist li:hover{padding-left:8px;border-color:var(--g-200)}
.ndate{text-align:center;border-right:1px dashed var(--line);padding-right:22px}
.ndate b{display:block;font-family:var(--ff-num);font-size:30px;font-weight:900;color:var(--g-600);line-height:1}
.ndate span{display:block;margin-top:6px;font-family:var(--ff-num);font-size:12px;color:var(--light);letter-spacing:.04em}
.nlist-tx h3{font-size:16.5px;line-height:1.55}
.nlist-tx h3 a{color:var(--ink)}
.nlist-tx h3 a:hover{color:var(--g-600)}
.nlist-tx p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.85;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nlist-tx .meta{margin-top:10px;display:flex;gap:16px;font-size:12.5px;color:var(--light)}
.nlist-go{width:36px;height:36px;border-radius:50%;background:var(--bg-soft);color:var(--muted);display:flex;align-items:center;justify-content:center;transition:.3s var(--ease)}
.nlist li:hover .nlist-go{background:var(--g-600);color:#fff;transform:translateX(4px)}
.nlist-go svg{width:15px;height:15px}

/* ============================================================
   18. 表单
   ============================================================ */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.fld{display:flex;flex-direction:column;gap:8px}
.fld.full{grid-column:1/-1}
.fld label{font-size:13.5px;color:var(--ink);font-weight:600}
.fld label i{color:#e0483a;font-style:normal}
.fld input,.fld select,.fld textarea{
  height:46px;padding:0 15px;border:1px solid var(--line);border-radius:var(--r-s);
  background:#fff;font-size:14px;transition:.25s var(--ease);width:100%;
}
.fld textarea{height:120px;padding:12px 15px;resize:vertical;line-height:1.8}
.fld input:focus,.fld select:focus,.fld textarea:focus{outline:0;border-color:var(--g-500);box-shadow:0 0 0 3px var(--g-100)}
.fld .err{font-size:12.5px;color:#e0483a;display:none}
.fld.invalid input,.fld.invalid textarea{border-color:#e0483a}
.fld.invalid .err{display:block}
.form-tip{margin-top:16px;font-size:12.5px;color:var(--light)}
.form-msg{margin-top:16px;padding:12px 16px;border-radius:var(--r-s);font-size:13.5px;display:none}
.form-msg.ok{display:block;background:var(--g-50);color:var(--g-700);border:1px solid var(--g-200)}
.form-msg.no{display:block;background:#fdf2f1;color:#c5392c;border:1px solid #f6d4d0}

.map-box{margin-top:34px;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--line);background:var(--bg-soft);min-height:320px}
.map-ic{width:56px;height:56px;border-radius:50%;background:var(--g-grad-soft);color:var(--g-600);display:flex;align-items:center;justify-content:center}
.map-ic svg{width:26px;height:26px}

/* ============================================================
   19. 其他
   ============================================================ */
.pager{display:flex;justify-content:center;align-items:center;gap:8px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{min-width:40px;height:40px;padding:0 13px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r-s);font-size:14px;color:var(--text);background:#fff;font-family:var(--ff-num)}
.pager a:hover{border-color:var(--g-500);color:var(--g-700)}
.pager .on{background:var(--g-600);border-color:var(--g-600);color:#fff}
.pager .dis{color:var(--light);cursor:not-allowed}

.backtop{
  position:fixed;right:22px;bottom:26px;z-index:800;width:46px;height:46px;border-radius:50%;
  background:var(--g-600);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 26px rgba(20,141,72,.34);opacity:0;visibility:hidden;transform:translateY(14px);
  transition:.34s var(--ease);
}
.backtop.on{opacity:1;visibility:visible;transform:none}
.backtop:hover{background:var(--g-700);color:#fff}
.backtop svg{width:20px;height:20px}
.backtop .prog{position:absolute;inset:0;transform:rotate(-90deg)}

.err-page{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:90px 20px 110px}
.err-page .code{font-family:var(--ff-num);font-size:clamp(76px,14vw,150px);font-weight:900;line-height:1;color:var(--g-500);letter-spacing:-.03em}
.err-page h1{margin-top:10px;font-size:clamp(19px,2.2vw,26px)}
.err-page p{margin-top:12px;color:var(--muted);max-width:520px}
.err-page .btn{margin-top:28px}

/* 快速询盘浮条 */
.quick-bar{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;background:#fff;border:1px solid var(--line);border-left:4px solid var(--g-600);border-radius:var(--r-m);padding:20px 26px;box-shadow:var(--sh-s)}
.quick-bar b{display:block;font-size:16px;color:var(--ink)}
.quick-bar span{font-size:13.5px;color:var(--muted)}
.quick-bar .acts{display:flex;gap:12px;flex-wrap:wrap}

/* 表格化优势 */
.hl{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.hl-i{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:26px 22px;position:relative;overflow:hidden;transition:.35s var(--ease)}
.hl-i:hover{border-color:var(--g-200);transform:translateY(-5px);box-shadow:var(--sh-m)}
.hl-i .no{font-family:var(--ff-num);font-size:46px;font-weight:900;color:var(--g-100);line-height:.86;letter-spacing:-.03em}
.hl-i h3{margin-top:6px;font-size:16.5px}
.hl-i p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.8}
.hl-i .ic{position:absolute;right:18px;top:20px;color:var(--g-200)}
.hl-i .ic svg,.hl-i .ic img{width:28px;height:28px}

/* ============================================================
   19.5 补充组件
   ============================================================ */
/* 发展历程 */
.timeline{position:relative;margin-top:8px;padding-left:30px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(to bottom,var(--g-400),var(--g-100))}
.tl-i{position:relative;padding:0 0 30px 0}
.tl-i:last-child{padding-bottom:0}
.tl-i::before{content:"";position:absolute;left:-30px;top:6px;width:16px;height:16px;border-radius:50%;background:#fff;border:3px solid var(--g-500);box-shadow:0 0 0 4px var(--g-50)}
.tl-i .yr{font-family:var(--ff-num);font-size:20px;font-weight:900;color:var(--g-600);letter-spacing:-.01em;line-height:1}
.tl-i h4{margin-top:8px;font-size:15.5px}
.tl-i p{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.9}

/* 优势 / 要点列表 */
.adv-list{margin-top:22px}
.adv-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed var(--line)}
.adv-list li:last-child{border-bottom:0}
.adv-list .ico{width:38px;height:38px;flex:0 0 auto;border-radius:var(--r-s);background:var(--g-50);color:var(--g-600);display:flex;align-items:center;justify-content:center}
.adv-list .ico svg,.adv-list .ico img{width:19px;height:19px}
.adv-list h4{font-size:15.5px}
.adv-list p{margin-top:5px;font-size:13.5px;color:var(--muted);line-height:1.9}

/* FAQ */
.qa{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden}
.qa>summary{list-style:none;cursor:pointer;padding:17px 56px 17px 22px;font-size:15.5px;font-weight:600;color:var(--ink);position:relative;transition:.25s var(--ease)}
.qa>summary::-webkit-details-marker{display:none}
.qa>summary::after{content:"";position:absolute;right:22px;top:50%;width:11px;height:11px;border-right:2px solid var(--g-600);border-bottom:2px solid var(--g-600);transform:translateY(-70%) rotate(45deg);transition:transform .3s var(--ease)}
.qa[open]>summary{background:var(--g-50);color:var(--g-700)}
.qa[open]>summary::after{transform:translateY(-30%) rotate(-135deg)}
.qa .qa-bd{padding:16px 22px 20px;font-size:14px;color:var(--muted);line-height:2;border-top:1px solid var(--line)}
.qa>summary:hover{background:var(--g-50)}

/* 服务流程 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:24px 20px;position:relative}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-family:var(--ff-num);font-size:13px;font-weight:800;color:#fff;background:var(--g-600);border-radius:100px;padding:3px 10px;display:inline-block}
.step h4{margin-top:14px;font-size:15.5px}
.step p{margin-top:7px;font-size:13px;color:var(--muted);line-height:1.85}

/* 认证/资质墙 */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cert-i{background:#fff;border:1px solid var(--line);border-radius:var(--r-m);padding:26px 20px;text-align:center;transition:.35s var(--ease)}
.cert-i:hover{transform:translateY(-6px);box-shadow:var(--sh-l);border-color:var(--g-200)}
.cert-i .medal{width:64px;height:64px;margin:0 auto 14px;border-radius:50%;background:var(--g-grad-soft);display:flex;align-items:center;justify-content:center;color:var(--g-600)}
.cert-i .medal svg,.cert-i .medal img{width:30px;height:30px}
.cert-i b{display:block;font-size:14.5px;color:var(--ink);line-height:1.6}
.cert-i span{display:block;margin-top:6px;font-size:12.5px;color:var(--light)}

/* 应用领域 */
.app-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.app-i{position:relative;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--r-m);padding:26px 22px;overflow:hidden;transition:.35s var(--ease)}
.app-i:hover{background:#fff;border-color:var(--g-200);box-shadow:var(--sh-m);transform:translateY(-5px)}
.app-i .app-no{position:absolute;right:16px;top:12px;font-family:var(--ff-num);font-size:38px;font-weight:900;color:#fff;line-height:1;text-shadow:0 2px 0 var(--g-100)}
.app-i h3{font-size:16.5px;position:relative}
.app-i p{margin-top:9px;font-size:13.5px;color:var(--muted);line-height:1.9;position:relative}
.app-i .app-t{display:flex;flex-wrap:wrap;gap:7px;margin-top:14px;position:relative}
.app-i .app-t span{font-size:12px;color:var(--g-700);background:#fff;border:1px solid var(--g-100);border-radius:100px;padding:3px 11px}

@media (max-width:1024px){
  .steps,.cert-grid,.app-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:620px){
  .steps,.cert-grid,.app-grid{grid-template-columns:1fr}
  .timeline{padding-left:26px}
}

/* ============================================================
   20. 响应式
   ============================================================ */
@media (max-width:1180px){
  .nav-i>a{padding:0 11px;font-size:14.5px}
  .hd-tel{display:none}
  .prod-wrap{grid-template-columns:260px 1fr}
  .intro-top{grid-template-columns:minmax(220px,300px) 1fr;gap:36px}
  .global{grid-template-columns:1fr 1fr;gap:28px}
  .global .globe-box{order:-1;grid-column:1/-1;max-width:340px}
}
@media (max-width:1024px){
  .site-nav{display:none}
  .nav-toggle{display:flex}
  .g-3,.g-4{grid-template-columns:repeat(2,1fr)}
  .sec{padding:64px 0}
  .hero-inner{min-height:440px;padding:56px clamp(16px,3vw,48px)}
  .prod-cards,.plist{grid-template-columns:repeat(2,1fr)}
  .tech-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .ft-main{grid-template-columns:repeat(2,1fr);gap:28px}
  .page-grid{grid-template-columns:minmax(0,1fr)}
  .side-col{order:2}
  .pdetail{grid-template-columns:minmax(0,1fr)}
  .pdetail-gal{position:static}
  .hl{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .g-contact{grid-template-columns:1fr;gap:26px}
  .topbar .wrap{height:auto;padding:8px 20px;gap:6px;flex-wrap:wrap}
  .topbar-l{font-size:12px}
  .stat-strip{grid-template-columns:1fr;gap:20px}
  .stat-i{border-left:0;border-top:1px dashed var(--line);padding:20px 0 0}
  .stat-i:first-child{border-top:0;padding-top:0}
  .intro-top,.intro-media,.prod-wrap,.global{grid-template-columns:1fr;gap:26px}
  .prod-wrap{gap:22px}
  .cat-panel{padding:28px 24px}
  .cat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:0 18px}
  .intro-wordmark{text-align:center}
  .intro-wordmark .rule{margin-left:auto;margin-right:auto}
  .intro-body{text-align:left}
  .news-head{align-items:flex-start}
  .ncard h3{min-height:auto}
  .nlist li{grid-template-columns:74px 1fr;gap:16px}
  .ndate{padding-right:14px}
  .nlist-go{display:none}
  .pnav a{max-width:100%}
}
@media (max-width:620px){
  body{font-size:14.5px}
  .wrap,.wrap-wide{padding:0 16px}
  .sec{padding:52px 0}
  .hero-inner{min-height:auto;padding:52px 16px 58px}
  .hero-eyebrow{display:inline-block;max-width:100%;padding:7px 14px;font-size:11.5px;line-height:1.75;letter-spacing:.04em;margin-bottom:20px}
  .hero-title{font-size:25px;line-height:1.36}
  .hero-sub{margin-top:20px;font-size:13.5px;line-height:1.95;color:rgba(255,255,255,.82)}
  .hero-tags{margin-top:28px;gap:9px}
  .hero-tags span{font-size:12px;padding:7px 14px}
  .hero-btns{margin-top:32px;gap:12px}
  .hero-btns .btn{flex:1 1 0;min-width:0;justify-content:center}
  .hero-marquee{display:none}
  .hero-fade{height:56px}
  .hero-mol{display:none}
  .prod-cards,.plist,.tech-grid,.news-grid,.hl,.form-grid,.ft-main{grid-template-columns:1fr}
  .cat-list{grid-template-columns:1fr}
  .stat-i{gap:13px}
  .cta .wrap{padding-top:34px;padding-bottom:34px}
  .cta-tel b{font-size:20px}
  .tabs button{height:34px;padding:0 15px;font-size:13px}
  .ncard{padding:22px 20px 18px}
  .filter-bar{gap:8px}
  .filter-bar button{height:34px;padding:0 14px;font-size:13px}
  .backtop{right:14px;bottom:16px;width:42px;height:42px}
  .ft-bottom{justify-content:center;text-align:center}
  .page-hero{padding:44px 0}
  .crumb .wrap{height:46px}
  .spec-tb th,.spec-tb td{padding:10px 12px}
  .nlist li{grid-template-columns:1fr;gap:12px}
  .ndate{display:flex;align-items:baseline;gap:8px;border-right:0;border-bottom:1px dashed var(--line);padding:0 0 10px;text-align:left}
  .ndate b{font-size:22px}
  .quick-bar{padding:18px}
}
@media print{
  .site-header,.topbar,.backtop,.site-footer,.cta,.mnav,.mask,.hero-marquee{display:none!important}
  body{color:#000}
}