/* ============================================================
   Zhongfei / WONH 外贸双语官网样式
   Global Stylesheet
   ============================================================ */
:root{
  --primary:#0C4A45;
  --primary-dark:#07332F;
  --primary-light:#127A70;
  --accent:#E9A13B;
  --accent-dark:#C9851F;
  --text:#1F2937;
  --muted:#5B6573;
  --bg-light:#F5F8F7;
  --bg-soft:#EAF2F0;
  --white:#FFFFFF;
  --border:#E3E9E7;
  --radius:14px;
  --shadow:0 10px 30px rgba(7,51,47,.08);
  --shadow-lg:0 20px 50px rgba(7,51,47,.14);
  --font-en:'Inter','Segoe UI',-apple-system,BlinkMacSystemFont,'Helvetica Neue',Arial,sans-serif;
  --font-zh:'Noto Sans SC','Microsoft YaHei','PingFang SC',-apple-system,'Segoe UI',Arial,sans-serif;
  --container:1200px;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;overflow-x:hidden;}
body{
  font-family:var(--font-en);
  color:var(--text);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.zh{font-family:var(--font-zh);}
img{max-width:100%;display:block;}
a{text-decoration:none;color:inherit;}
ul{list-style:none;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
section{padding:84px 0;}

/* ---------- 顶部信息条 ---------- */
.topbar{
  background:var(--primary-dark);
  color:#Cfe0dd;
  font-size:13px;
  padding:8px 0;
}
.topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;}
.topbar span{display:inline-flex;align-items:center;gap:6px;}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;}

/* ---------- 导航栏 ---------- */
.header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px;}
.logo{display:flex;align-items:center;gap:12px;}
.logo-badge{
  width:46px;height:46px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--primary-light));
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:800;font-size:20px;flex-shrink:0;
}
.logo-text strong{display:block;font-size:18px;color:var(--primary-dark);letter-spacing:.3px;}
.logo-text small{display:block;font-size:11px;color:var(--muted);letter-spacing:1.2px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  padding:9px 16px;border-radius:8px;font-weight:500;font-size:15px;color:var(--text);
  transition:.25s;position:relative;
}
.nav-links a:hover,.nav-links a.active{color:var(--primary);background:var(--bg-soft);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.lang-switch{
  display:inline-flex;border:1px solid var(--border);border-radius:999px;overflow:hidden;
}
.lang-switch button{
  border:none;background:transparent;padding:6px 14px;font-size:13px;font-weight:600;cursor:pointer;color:var(--muted);transition:.25s;
}
.lang-switch button.active{background:var(--primary);color:#fff;}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 26px;border-radius:999px;font-weight:600;font-size:15px;
  border:2px solid transparent;cursor:pointer;transition:.3s;
}
.btn-primary{background:var(--accent);color:#1d1608;}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 20px rgba(233,161,59,.35);}
.btn-outline{border-color:var(--primary);color:var(--primary);}
.btn-outline:hover{background:var(--primary);color:#fff;}
.btn-white{background:#fff;color:var(--primary-dark);}
.btn-white:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,0,0,.18);}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff;}
.btn-ghost:hover{background:rgba(255,255,255,.12);}

/* 汉堡菜单 */
.burger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px;}
.burger span{width:24px;height:2.5px;background:var(--primary-dark);border-radius:2px;transition:.3s;}

/* ---------- Hero 轮播 ---------- */
.hero{position:relative;background:var(--primary-dark);color:#fff;overflow:hidden;}
.hero-slider{position:relative;min-height:640px;display:flex;}
.hero-slide{
  position:absolute;inset:0;opacity:0;transition:opacity .9s ease;visibility:hidden;
  display:flex;align-items:center;justify-content:center;padding:80px 0;
  background-size:cover;background-position:center;
}
.hero-slide::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(7,51,47,.96) 0%,rgba(7,51,47,.82) 45%,rgba(7,51,47,.35) 100%);}
.hero-slide.active{opacity:1;visibility:visible;z-index:2;}
.hero-content{position:relative;z-index:2;max-width:640px;text-align:center;}
.hero-kicker{
  display:inline-block;background:rgba(233,161,59,.18);border:1px solid rgba(233,161,59,.5);
  color:var(--accent);padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1px;margin-bottom:22px;text-transform:uppercase;
}
.hero-content h1{font-size:52px;line-height:1.18;font-weight:800;margin-bottom:20px;letter-spacing:-.5px;}
.hero-content p{font-size:18px;color:#D5E6E2;margin-bottom:34px;max-width:540px;}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;}
.hero-dots{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);display:flex;gap:10px;z-index:5;}
.hero-dots button{width:34px;height:5px;border:none;border-radius:4px;background:rgba(255,255,255,.35);cursor:pointer;transition:.3s;}
.hero-dots button.active{background:var(--accent);width:52px;}

/* ---------- 统计条 ---------- */
.stats-strip{background:var(--white);box-shadow:var(--shadow);border-radius:var(--radius);margin-top:-56px;position:relative;z-index:6;padding:30px 10px;}
.stats-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;}
.stat{text-align:center;padding:10px;}
.stat b{display:block;font-size:30px;color:var(--primary);font-weight:800;}
.stat span{font-size:13px;color:var(--muted);}

/* ---------- 通用区块标题 ---------- */
.section-head{text-align:center;max-width:760px;margin:0 auto 56px;}
.section-head .kicker{
  display:inline-block;color:var(--primary);background:var(--bg-soft);
  padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:1.4px;text-transform:uppercase;margin-bottom:16px;
}
.section-head h2{font-size:38px;font-weight:800;color:var(--primary-dark);line-height:1.25;margin-bottom:16px;letter-spacing:-.4px;}
.section-head p{color:var(--muted);font-size:16.5px;}

/* ---------- 品牌/工厂卡片 ---------- */
.brands-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;}
.brand-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:36px 30px;transition:.35s;position:relative;overflow:hidden;
}
.brand-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:.4s;}
.brand-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.brand-card:hover::before{transform:scaleX(1);}
.brand-ico{width:60px;height:60px;border-radius:14px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:26px;margin-bottom:20px;}
.brand-card h3{font-size:21px;color:var(--primary-dark);margin-bottom:4px;}
.brand-card .brand-en{font-size:13px;color:var(--accent-dark);font-weight:600;margin-bottom:14px;letter-spacing:.4px;}
.brand-card p{color:var(--muted);font-size:14.5px;}

/* ---------- 产品卡片 ---------- */
.series-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.product-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:.35s;display:flex;flex-direction:column;
}
.product-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.product-media{height:200px;background:linear-gradient(160deg,var(--bg-soft),#fff);display:flex;align-items:center;justify-content:center;padding:20px;position:relative;}
.product-media img{max-height:150px;max-width:80%;object-fit:contain;transition:.4s;}
.product-card:hover .product-media img{transform:scale(1.06);}
.product-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.product-body h3{font-size:17.5px;color:var(--primary-dark);margin-bottom:8px;}
.product-body h3 small{display:block;font-size:12px;color:var(--muted);font-weight:500;margin-top:3px;}
.product-body p{font-size:13.8px;color:var(--muted);flex:1;}
.product-body .tag-row{margin-top:14px;display:flex;flex-wrap:wrap;gap:6px;}
.tag{background:var(--bg-soft);color:var(--primary);font-size:11.5px;font-weight:600;padding:4px 10px;border-radius:999px;}

/* ---------- 特性 ---------- */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.feature{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:.3s;}
.feature:hover{box-shadow:var(--shadow);transform:translateY(-5px);}
.feature .f-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--primary);}
.feature h3{font-size:17px;color:var(--primary-dark);margin-bottom:10px;}
.feature p{font-size:13.8px;color:var(--muted);}

/* ---------- 出口区域 ---------- */
.region-band{background:var(--primary-dark);color:#fff;position:relative;overflow:hidden;}
.region-band .container{position:relative;z-index:2;}
.region-list{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:40px;}
.region{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius);padding:24px 20px;text-align:center;transition:.3s;}
.region:hover{background:rgba(255,255,255,.12);transform:translateY(-5px);}
.region .r-ico{font-size:34px;margin-bottom:12px;}
.region b{display:block;font-size:16px;margin-bottom:4px;}
.region span{font-size:13px;color:#BFD6D1;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{border:1px solid var(--border);border-radius:12px;margin-bottom:14px;background:#fff;overflow:hidden;transition:.3s;}
.faq-item.open{box-shadow:var(--shadow);border-color:var(--primary-light);}
.faq-q{width:100%;text-align:left;background:none;border:none;padding:20px 24px;font-size:16px;font-weight:600;color:var(--primary-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:inherit;}
.faq-q .faq-ico{width:26px;height:26px;border-radius:50%;background:var(--bg-soft);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:.3s;font-size:14px;font-weight:700;}
.faq-item.open .faq-ico{transform:rotate(45deg);background:var(--primary);color:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease;}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:14.8px;}

/* ---------- 展会 ---------- */
.expo{background:var(--bg-light);}
.expo-card{
  display:grid;grid-template-columns:1.2fr 1fr;gap:0;background:#fff;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
}
.expo-visual{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:54px 48px;display:flex;flex-direction:column;justify-content:center;min-height:360px;}
.expo-visual .big{font-size:44px;font-weight:800;line-height:1.2;margin-bottom:8px;}
.expo-visual .sub{font-size:15px;color:#Cfe6e1;margin-bottom:26px;}
.expo-visual .booth{display:inline-block;background:var(--accent);color:#1d1608;font-weight:800;padding:8px 18px;border-radius:8px;font-size:20px;letter-spacing:1px;}
.expo-info{padding:48px;display:flex;flex-direction:column;justify-content:center;gap:16px;}
.expo-info h3{font-size:24px;color:var(--primary-dark);}
.expo-info p{color:var(--muted);font-size:15px;}

/* ---------- CTA ---------- */
.cta{background:linear-gradient(120deg,var(--primary-dark),var(--primary-light));color:#fff;text-align:center;}
.cta h2{font-size:36px;font-weight:800;margin-bottom:14px;}
.cta p{font-size:17px;color:#D5E6E2;margin-bottom:34px;max-width:600px;margin-left:auto;margin-right:auto;}

/* ---------- Footer ---------- */
.footer{background:var(--primary-dark);color:#C4D8D4;padding:70px 0 30px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.1);}
.footer h4{color:#fff;font-size:16px;margin-bottom:20px;}
.footer a{display:block;color:#C4D8D4;font-size:14px;padding:5px 0;transition:.25s;}
.footer a:hover{color:var(--accent);padding-left:4px;}
.footer .fabout p{font-size:14px;margin-top:16px;color:#9FBDB7;}
.footer .contact-line{display:flex;gap:10px;margin-top:14px;font-size:14px;align-items:flex-start;}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:26px;font-size:13px;flex-wrap:wrap;gap:10px;color:#93B0AA;}

/* ---------- 页内 hero（子页） ---------- */
.page-hero{background:var(--primary-dark);color:#fff;padding:90px 0 70px;position:relative;overflow:hidden;}
.page-hero::before{content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;background:rgba(233,161,59,.14);}
.page-hero .kicker{color:var(--accent);font-weight:600;letter-spacing:2px;text-transform:uppercase;font-size:13px;margin-bottom:14px;}
.page-hero h1{font-size:46px;font-weight:800;margin-bottom:16px;letter-spacing:-.4px;}
.page-hero p{font-size:17px;color:#D5E6E2;max-width:660px;}

/* ---------- 产品明细表 ---------- */
.cat-nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-bottom:48px;}
.cat-nav button{border:1px solid var(--border);background:#fff;padding:9px 20px;border-radius:999px;font-size:14px;font-weight:500;cursor:pointer;color:var(--text);transition:.25s;font-family:inherit;}
.cat-nav button:hover{border-color:var(--primary);color:var(--primary);}
.cat-nav button.active{background:var(--primary);color:#fff;border-color:var(--primary);}
.series-block{margin-bottom:70px;scroll-margin-top:110px;}
.series-block h2{font-size:28px;color:var(--primary-dark);margin-bottom:6px;display:flex;align-items:center;gap:12px;}
.series-block h2 .num{color:var(--accent-dark);font-size:18px;}
.series-block .series-desc{color:var(--muted);margin-bottom:22px;font-size:15px;}
.spec-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border);border-radius:12px;overflow:hidden;font-size:13.5px;}
.spec-table th{background:var(--primary);color:#fff;padding:12px 14px;text-align:left;font-weight:600;white-space:nowrap;}
.spec-table td{padding:11px 14px;border-top:1px solid var(--border);color:var(--text);}
.spec-table tr:nth-child(even) td{background:var(--bg-light);}
.spec-table tr:hover td{background:var(--bg-soft);}

/* ---------- 服务卡片 ---------- */
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.service-card{border:1px solid var(--border);border-radius:var(--radius);padding:36px 30px;background:#fff;transition:.35s;position:relative;}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.service-card .s-ico{width:66px;height:66px;border-radius:16px;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:30px;margin-bottom:22px;color:var(--primary);}
.service-card h3{font-size:20px;color:var(--primary-dark);margin-bottom:12px;}
.service-card p{color:var(--muted);font-size:14.5px;}
.service-card ul{margin-top:14px;}
.service-card ul li{font-size:13.8px;color:var(--text);padding:5px 0;padding-left:22px;position:relative;}
.service-card ul li::before{content:"✓";position:absolute;left:0;color:var(--primary);font-weight:700;}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{text-align:center;position:relative;padding:0 10px;}
.step .step-num{width:56px;height:56px;margin:0 auto 18px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(12,74,69,.3);}
.step h3{font-size:17px;color:var(--primary-dark);margin-bottom:10px;}
.step p{font-size:13.8px;color:var(--muted);}

/* ---------- 联系 ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:44px;}
.contact-info-card{background:var(--primary-dark);color:#fff;border-radius:var(--radius);padding:44px;position:relative;overflow:hidden;}
.contact-info-card::after{content:"";position:absolute;right:-60px;bottom:-60px;width:220px;height:220px;border-radius:50%;background:rgba(233,161,59,.12);}
.contact-info-card h3{font-size:24px;margin-bottom:10px;color:#fff;}
.contact-info-card>p{color:#C4D8D4;font-size:14.8px;margin-bottom:30px;}
.ci-line{display:flex;gap:16px;margin-bottom:24px;align-items:flex-start;position:relative;z-index:2;}
.ci-line .ci-ico{width:44px;height:44px;border-radius:10px;background:rgba(255,255,255,.1);display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;}
.ci-line b{display:block;font-size:15px;color:#fff;margin-bottom:2px;}
.ci-line span,.ci-line a{font-size:14px;color:#BFD6D1;line-height:1.5;}
.form-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:44px;box-shadow:var(--shadow);}
.form-card h3{font-size:24px;color:var(--primary-dark);margin-bottom:8px;}
.form-card>p{color:var(--muted);font-size:14.5px;margin-bottom:26px;}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-group{margin-bottom:18px;}
.form-group label{display:block;font-size:13.5px;font-weight:600;color:var(--primary-dark);margin-bottom:7px;}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:13px 16px;border:1.5px solid var(--border);border-radius:10px;font-size:14.5px;font-family:inherit;transition:.25s;background:var(--bg-light);color:var(--text);
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(12,74,69,.08);}
.form-group textarea{min-height:130px;resize:vertical;}
.form-note{font-size:12.5px;color:var(--muted);margin-top:8px;}
.form-success{display:none;background:var(--bg-soft);border:1px solid #B8D8D0;color:var(--primary);padding:14px 18px;border-radius:10px;font-size:14px;margin-bottom:20px;}

/* ---------- 关于：时间线/能力 ---------- */
.about-split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.about-split .img-side{background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:var(--radius);min-height:400px;display:flex;align-items:center;justify-content:center;color:#fff;position:relative;overflow:hidden;}
.about-split .img-side .big-txt{font-size:46px;font-weight:800;text-align:center;line-height:1.3;padding:30px;}
.about-split h2{font-size:32px;color:var(--primary-dark);margin-bottom:18px;line-height:1.3;}
.about-split p{color:var(--muted);font-size:15.5px;margin-bottom:16px;}
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.cap{background:#fff;border:1px solid var(--border);border-radius:12px;padding:24px;transition:.3s;}
.cap:hover{box-shadow:var(--shadow);transform:translateY(-4px);}
.cap b{display:block;font-size:26px;color:var(--primary);margin-bottom:6px;}
.cap span{font-size:14px;color:var(--muted);}

/* ---------- 集团架构 ---------- */
.org-band{background:var(--bg-light);}
.org-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.org-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:30px 24px;text-align:center;transition:.3s;position:relative;overflow:hidden;}
.org-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--primary);transform:scaleX(0);transition:.4s;transform-origin:left;}
.org-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);}
.org-card:hover::before{transform:scaleX(1);}
.org-card .o-ico{width:60px;height:60px;margin:0 auto 16px;border-radius:50%;background:var(--bg-soft);display:flex;align-items:center;justify-content:center;font-size:26px;}
.org-card h3{font-size:17px;color:var(--primary-dark);margin-bottom:6px;}
.org-card p{font-size:13.5px;color:var(--muted);}
.org-card .en{font-size:12px;color:var(--accent-dark);font-weight:600;margin-bottom:10px;display:block;}

/* ---------- 响应式 ---------- */
@media(max-width:1024px){
  .stats-grid{grid-template-columns:repeat(3,1fr);}
  .series-grid{grid-template-columns:repeat(3,1fr);}
  .features-grid{grid-template-columns:repeat(2,1fr);}
  .region-list{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .service-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);gap:30px;}
  .brands-grid{grid-template-columns:1fr;}
  .about-split{grid-template-columns:1fr;gap:36px;}
  .contact-grid{grid-template-columns:1fr;}
}
@media(max-width:768px){
  .nav-links{
    position:fixed;top:0;right:0;width:280px;height:100vh;background:#fff;flex-direction:column;align-items:flex-start;
    padding:90px 30px 30px;box-shadow:-20px 0 50px rgba(0,0,0,.15);transition:transform .35s ease;z-index:200;gap:8px;
    transform:translateX(105%);will-change:transform;
  }
  .nav-links.open{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-links a{width:100%;font-size:16px;padding:12px 8px;}
  .burger{display:flex;}
  .hero-slide{min-height:520px;}
  .hero-content h1{font-size:34px;}
  .hero-content p{font-size:16px;}
  .section-head h2{font-size:30px;}
  .series-grid{grid-template-columns:repeat(2,1fr);}
  .features-grid{grid-template-columns:1fr;}
  .region-list{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .service-grid{grid-template-columns:1fr;}
  .stats-strip{margin-top:-30px;}
  .stat b{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .expo-card{grid-template-columns:1fr;}
  .page-hero h1{font-size:34px;}
  .form-row{grid-template-columns:1fr;}
  .hero-btns .btn{width:100%;justify-content:center;}
  .contact-info-card{padding:30px;}
  .form-card{padding:30px;}
  .org-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:480px){
  .series-grid{grid-template-columns:1fr;}
  .region-list{grid-template-columns:1fr;}
  .logo-text small{display:none;}
  .nav-actions .btn-quote{display:none;}
}

/* ---------- 动画 ---------- */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px);}to{opacity:1;transform:translateY(0);}}
.reveal{opacity:0;}
.reveal.visible{animation:fadeUp .8s ease forwards;}

/* ============================================================
   扩展模块样式（新闻 / 产品图文卡片 / 产品详情 / 联系增强）
   ============================================================ */

/* ---------- 产品图文卡片（列表页） ---------- */
.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.product-card{position:relative;}
.product-card .cat-badge{position:absolute;top:16px;left:16px;z-index:2;background:rgba(255,255,255,.93);color:var(--primary);font-size:11.5px;font-weight:700;padding:5px 12px;border-radius:999px;box-shadow:0 2px 8px rgba(7,51,47,.14);}
.product-card .spec-mini{display:flex;gap:6px;flex-wrap:wrap;margin-top:10px;}
.product-card .spec-mini span{background:var(--bg-light);border:1px solid var(--border);padding:3px 10px;border-radius:7px;font-size:12px;font-weight:500;color:var(--text);}
.product-card .card-link{margin-top:16px;display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14px;color:var(--primary);transition:.25s;align-self:flex-start;}
.product-card .card-link:hover{color:var(--accent-dark);gap:10px;}
@media(max-width:1024px){.catalog-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:600px){.catalog-grid{grid-template-columns:1fr;}}

/* ---------- 新闻列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.35s;}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);}
.news-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-soft);}
.news-media img{width:100%;height:100%;object-fit:cover;transition:.5s;}
.news-card:hover .news-media img{transform:scale(1.06);}
.news-cat{position:absolute;top:16px;left:16px;background:var(--accent);color:#1d1608;font-size:11.5px;font-weight:700;padding:5px 12px;border-radius:999px;letter-spacing:.3px;}
.news-body{padding:24px;display:flex;flex-direction:column;flex:1;}
.news-date{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px;margin-bottom:10px;}
.news-body h3{font-size:18px;color:var(--primary-dark);line-height:1.45;margin-bottom:10px;}
.news-body p{font-size:13.8px;color:var(--muted);flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-read{margin-top:16px;font-weight:700;font-size:14px;color:var(--primary);display:inline-flex;align-items:center;gap:6px;transition:.25s;align-self:flex-start;}
.news-read:hover{color:var(--accent-dark);gap:10px;}
@media(max-width:1024px){.news-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.news-grid{grid-template-columns:1fr;}}

/* ---------- 新闻详情 ---------- */
.news-article{max-width:880px;margin:0 auto;}
.news-article .article-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);margin-bottom:38px;background:var(--bg-soft);}
.news-article .article-media img{width:100%;display:block;}
.article-title{font-size:36px;color:var(--primary-dark);line-height:1.32;margin:16px 0 14px;font-weight:800;letter-spacing:-.3px;}
.article-meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:13.5px;padding-bottom:24px;border-bottom:1px solid var(--border);margin-bottom:30px;align-items:center;}
.article-meta .a-cat{background:var(--bg-soft);color:var(--primary);font-weight:700;padding:4px 12px;border-radius:999px;}
.news-prose{font-size:16px;color:var(--text);line-height:1.95;}
.news-prose p{margin-bottom:22px;}
.news-prose p:first-of-type::first-letter{font-size:3.1em;font-weight:800;color:var(--primary);float:left;line-height:1;margin-right:10px;margin-top:6px;}
.news-nav{display:flex;justify-content:space-between;gap:20px;margin-top:52px;padding-top:30px;border-top:1px solid var(--border);}
.news-nav a{flex:1;background:#fff;border:1px solid var(--border);border-radius:12px;padding:18px 20px;transition:.3s;display:block;min-width:0;}
.news-nav a:hover{border-color:var(--primary);box-shadow:var(--shadow);}
.news-nav a.next{text-align:right;}
.news-nav a:not(.next){text-align:left;}
.news-nav small{display:block;font-size:12px;color:var(--muted);margin-bottom:5px;}
.news-nav b{font-size:14.5px;color:var(--primary-dark);line-height:1.45;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
@media(max-width:768px){.article-title{font-size:27px;}.news-nav{flex-direction:column;}.news-nav a.next{text-align:left;}}

/* ---------- 产品详情 ---------- */
.pd-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:48px;align-items:start;}
.pd-gallery{background:linear-gradient(160deg,var(--bg-soft),#fff);border:1px solid var(--border);border-radius:var(--radius);padding:44px;display:flex;align-items:center;justify-content:center;position:sticky;top:110px;}
.pd-gallery img{max-height:380px;object-fit:contain;}
.pd-info .pd-cat{display:inline-block;background:var(--bg-soft);color:var(--primary);font-size:12.5px;font-weight:700;padding:5px 14px;border-radius:999px;margin-bottom:14px;}
.pd-info h1{font-size:33px;color:var(--primary-dark);margin:0 0 12px;line-height:1.3;letter-spacing:-.3px;}
.pd-desc{color:var(--muted);font-size:15.5px;margin:0 0 24px;line-height:1.85;}
.pd-certs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px;}
.pd-certs span{display:inline-flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--border);border-radius:999px;padding:8px 15px;font-size:13px;font-weight:600;color:var(--primary-dark);}
.pd-cta{display:flex;gap:14px;flex-wrap:wrap;}
.pd-specs-title{font-size:24px;color:var(--primary-dark);margin:56px 0 20px;font-weight:800;}
.pd-back{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:26px;transition:.25s;}
.pd-back:hover{color:var(--accent-dark);}
.related-title{font-size:30px;color:var(--primary-dark);text-align:center;margin-bottom:40px;font-weight:800;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.related-grid .product-media{height:170px;}
@media(max-width:1024px){.pd-layout{grid-template-columns:1fr;}.pd-gallery{position:static;padding:30px;}.related-grid{grid-template-columns:repeat(2,1fr);}}
@media(max-width:640px){.related-grid{grid-template-columns:1fr;}.pd-info h1{font-size:26px;}}

/* ---------- 联系页增强 ---------- */
.contact-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;position:relative;z-index:2;}
.contact-badges span{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#EAF2F0;font-size:12.5px;padding:6px 14px;border-radius:999px;font-weight:600;}
.map-placeholder{margin-top:36px;border-radius:14px;overflow:hidden;position:relative;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);min-height:190px;display:flex;align-items:center;justify-content:center;}
.map-placeholder .map-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.09) 1px,transparent 1px);background-size:30px 30px;}
.map-pin{position:relative;z-index:2;text-align:center;color:#fff;}
.map-pin .pin{width:46px;height:46px;margin:0 auto 8px;border-radius:50% 50% 50% 0;transform:rotate(-45deg);background:var(--accent);display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(0,0,0,.25);}
.map-pin .pin span{transform:rotate(45deg);font-size:19px;}
.map-pin b{display:block;font-size:14px;}
.map-pin small{color:#BFD6D1;font-size:12px;}
.form-card .btn-block{width:100%;justify-content:center;}
.contact-faq .section-head{margin-bottom:40px;}
.contact-faq .faq-wrap{max-width:880px;margin:0 auto;}
.faq-a{line-height:1.7;}