/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue-deep:#1a4f9c;
  --blue-main:#2d7ff0;
  --blue-light:#e8f2ff;
  --blue-hover:#1a5fb4;
  --orange:#ff6b35;
  --orange-hover:#e55a2b;
  --bg-gray:#f5f7fa;
  --text-dark:#1a1a2e;
  --text-mid:#555;
  --text-light:#888;
  --border:#e0e6ed;
  --white:#fff;
  --radius:8px;
  --shadow:0 2px 12px rgba(0,0,0,.08);
  --shadow-hover:0 4px 20px rgba(0,0,0,.15);
}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--text-dark);line-height:1.7;background:var(--white);overflow-x:hidden}
a{color:var(--blue-main);text-decoration:none;transition:color .2s}
a:hover{color:var(--blue-hover)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:var(--white);
  border-bottom:1px solid var(--border);
  box-shadow:0 1px 6px rgba(0,0,0,.04);
}
.header-inner{
  max-width:1200px;margin:0 auto;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;height:64px;
}
.logo{display:flex;align-items:center;gap:8px;font-size:1.25rem;font-weight:700;color:var(--blue-deep);flex:none}
.logo svg{width:32px;height:32px;flex-shrink:0}
.logo span{white-space:nowrap}
.main-nav{display:flex;gap:20px;align-items:center}
.main-nav a{color:var(--text-dark);font-size:.95rem;font-weight:500;padding:4px 0;position:relative;white-space:nowrap}
.main-nav a:hover{color:var(--blue-main)}
.main-nav a.active{color:var(--blue-main)}
.main-nav a.active::after{content:"";position:absolute;bottom:-2px;left:0;right:0;height:2px;background:var(--blue-main);border-radius:1px}
.header-phone{display:flex;align-items:center;gap:6px;font-size:1.05rem;font-weight:700;color:var(--orange)}
.header-phone a{color:inherit}
.header-phone svg{width:20px;height:20px}
.mobile-toggle{display:none;background:none;border:none;cursor:pointer;padding:8px}
.mobile-toggle span{display:block;width:22px;height:2px;background:var(--text-dark);margin:4px 0;transition:.3s}

/* ===== Header 站内搜索（全站统一，由 build.py 注入到 header） ===== */
.header-search{position:relative;display:flex;align-items:center;margin-left:14px}
.hs-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;padding:0;border:none;background:none;color:var(--text-dark);cursor:pointer;border-radius:8px}
.hs-toggle:hover{background:var(--bg-gray);color:var(--blue-main)}
.hs-toggle svg{width:21px;height:21px}
.hs-panel{position:relative;width:180px}
.hs-form{display:flex;align-items:center;gap:6px;height:38px;padding:0 4px 0 14px;background:var(--bg-gray);border:1px solid var(--border);border-radius:20px;transition:border-color .2s,background .2s,box-shadow .2s}
.hs-form:focus-within{background:#fff;border-color:var(--blue-main);box-shadow:0 0 0 3px rgba(26,86,219,.1)}
.hs-input{flex:1;min-width:0;border:none;background:none;outline:none;font-family:inherit;font-size:.85rem;color:var(--text-dark);-webkit-appearance:none;appearance:none}
.hs-input::placeholder{color:var(--text-light)}
.hs-input::-webkit-search-cancel-button{-webkit-appearance:none;display:none}
.hs-go{flex:none;width:30px;height:30px;display:flex;align-items:center;justify-content:center;padding:0;border:none;border-radius:50%;background:var(--blue-main);color:#fff;cursor:pointer;transition:background .2s}
.hs-go:hover{background:var(--blue-deep)}
.hs-go svg{width:15px;height:15px;display:block}
.header-search .hs-suggest{left:auto;right:0;width:340px;max-width:calc(100vw - 32px)}
@media(max-width:1240px){
  /* 导航收紧 2px 间距，给「产品分类」的 caret 腾出宽度（header 横向本就吃紧） */
  .main-nav{gap:18px}
  .hs-panel{display:none}
  .hs-toggle{display:flex}
  .header-search{margin-left:8px}
  .header-search.open .hs-panel{display:block;position:absolute;right:0;top:calc(100% + 14px);width:min(88vw,360px);padding:10px;background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:0 14px 34px rgba(20,40,90,.18)}
  .header-search.open .hs-form{background:#fff}
  .header-search.open .hs-suggest{top:calc(100% + 6px);width:100%}
}
@media(max-width:768px){
  /* 触屏无悬停：导航收起，下拉浮层直接隐藏，点「产品分类」进分类总览页 */
  .nav-drop-panel{display:none}
  .header-search.open .hs-panel{position:fixed;left:12px;right:12px;top:72px;width:auto}
}

/* ===== 导航「产品分类」下拉（2026-09-17） ===== */
/* 悬停展开分类浮层，单击进入 /categories/ 分类总览页。
   浮层绝对定位、不占导航布局宽度（header 横向余量本就紧张）；
   移动端 ≤768px 导航整体收起，浮层一并隐藏，点链接直接进分类总览页。 */
.nav-drop{position:relative;display:flex;align-items:center}
.nav-drop>a{display:inline-flex;align-items:center;gap:3px}
.nav-caret{width:9px;height:9px;flex:none;transition:transform .2s}
.nav-drop:hover .nav-caret{transform:rotate(180deg)}
.nav-drop-panel{
  position:absolute;top:100%;left:-60px;width:460px;padding-top:12px;
  opacity:0;visibility:hidden;transform:translateY(4px);z-index:60;
  transition:opacity .18s ease,visibility .18s ease,transform .18s ease;
}
.nav-drop:hover .nav-drop-panel,.nav-drop:focus-within .nav-drop-panel{
  opacity:1;visibility:visible;transform:translateY(0);
}
.nav-drop-inner{
  background:#fff;border:1px solid var(--border);border-radius:12px;padding:10px;
  box-shadow:0 16px 38px rgba(20,40,90,.16);
  display:grid;grid-template-columns:1fr 1fr;gap:2px;
}
.nav-drop .nav-drop-item{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 12px;border-radius:8px;font-size:.88rem;font-weight:500;
  color:var(--text-dark);white-space:nowrap;
}
.nav-drop .nav-drop-item:hover{background:var(--blue-light);color:var(--blue-main)}
.nav-drop .nav-drop-item em{font-style:normal;font-size:.74rem;font-weight:600;color:var(--text-light);flex:none}
.nav-drop .nav-drop-item:hover em{color:var(--blue-main)}
.nav-drop-foot{
  grid-column:1/-1;margin-top:8px;padding:9px 12px 3px;border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.nav-drop-foot span{font-size:.78rem;color:var(--text-light)}
.nav-drop .nav-drop-foot a{font-size:.84rem;font-weight:600;color:var(--blue-main)}

/* ===== Hero ===== */
.hero{
  background:linear-gradient(135deg,var(--blue-deep) 0%,var(--blue-main) 100%);
  color:var(--white);
  padding:60px 20px;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;top:0;left:0;right:0;bottom:0;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100' opacity='0.06'%3E%3Crect width='100' height='100' fill='none'/%3E%3Cpath d='M10 10h80v80h-80z' fill='none' stroke='white' stroke-width='2'/%3E%3C/svg%3E");
}
.hero-inner{max-width:900px;margin:0 auto;position:relative;z-index:1}
.hero h1{font-size:2.2rem;font-weight:800;margin-bottom:16px;letter-spacing:1px}
.hero p{font-size:1.1rem;opacity:.9;margin-bottom:28px;max-width:680px;margin-left:auto;margin-right:auto}
.hero-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--radius);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;border:none;text-decoration:none}
.btn-orange{background:var(--orange);color:var(--white)}
.btn-orange:hover{background:var(--orange-hover);color:var(--white);transform:translateY(-1px);box-shadow:0 4px 12px rgba(255,107,53,.4)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{background:rgba(255,255,255,.1);color:var(--white)}
.btn-blue{background:var(--blue-main);color:var(--white)}
.btn-blue:hover{background:var(--blue-hover);color:var(--white)}

/* ===== Section ===== */
.section{padding:56px 20px}
.section-inner{max-width:1200px;margin:0 auto}
.section-title{text-align:center;margin-bottom:40px}
.section-title h2{font-size:1.8rem;font-weight:700;color:var(--text-dark)}
.section-title p{color:var(--text-light);margin-top:8px;font-size:1rem}
.section-title::after{content:"";display:block;width:48px;height:3px;background:var(--blue-main);margin:12px auto 0;border-radius:2px}

/* ===== Categories Grid ===== */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.cat-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 16px;text-align:center;transition:all .25s;cursor:pointer;
}
.cat-card:hover{border-color:var(--blue-main);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.cat-card svg{width:48px;height:48px;margin:0 auto 12px;color:var(--blue-main)}
.cat-card h3{font-size:1.05rem;font-weight:600;color:var(--text-dark);margin-bottom:4px}
.cat-card p{font-size:.85rem;color:var(--text-light)}

/* ===== Product Cards ===== */
.prod-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prod-card{
  background:var(--white);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:all .25s;display:flex;flex-direction:column;
}
.prod-card:hover{border-color:var(--blue-main);box-shadow:var(--shadow-hover);transform:translateY(-3px)}
.prod-img{background:var(--blue-light);height:160px;display:flex;align-items:center;justify-content:center}
.prod-img svg{width:64px;height:64px;color:var(--blue-deep);opacity:.7}
.prod-body{padding:14px;flex:1;display:flex;flex-direction:column}
.prod-brand{font-size:.8rem;color:var(--orange);font-weight:600;margin-bottom:4px}
.prod-title{font-size:.95rem;font-weight:600;color:var(--text-dark);margin-bottom:6px;line-height:1.4}
.prod-tags{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.prod-tag{font-size:.7rem;padding:2px 8px;border-radius:3px;background:var(--blue-light);color:var(--blue-deep)}
.prod-tag.tag-used{background:#fff3e0;color:var(--orange)}
.prod-card .btn{margin-top:auto;align-self:flex-start;font-size:.85rem;padding:8px 18px}

/* ===== Product Detail Page ===== */
.breadcrumb{max-width:1200px;margin:0 auto;padding:16px 20px;font-size:.85rem;color:var(--text-light)}
.breadcrumb a{color:var(--text-mid)}
.breadcrumb span{margin:0 6px}
.prod-detail{max-width:1200px;margin:0 auto;padding:0 20px 40px}
.prod-detail-head{display:flex;justify-content:space-between;align-items:flex-start;gap:30px;margin-bottom:32px;flex-wrap:wrap}
.prod-detail-info{flex:1;min-width:300px}
.prod-detail-info .prod-brand{font-size:.95rem}
.prod-detail-info h1{font-size:1.6rem;font-weight:700;color:var(--text-dark);margin:4px 0 8px}
.prod-detail-info .prod-subtitle{font-size:1rem;color:var(--text-mid);margin-bottom:16px}
.prod-detail-tags{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.prod-detail-tags .prod-tag{font-size:.8rem;padding:4px 12px}
.prod-cta-box{
  background:var(--blue-light);border-radius:var(--radius);padding:24px;
  display:flex;flex-direction:column;gap:12px;max-width:320px;
  /* 2026-09-28：与列表页 .list-hero-cta 统一（该卡原本就有 text-align:center）——
     卡内二维码 margin:0 auto、按钮 width:100% 本就居中，三行文字却继承左对齐，
     同一张卡一半左一半中。补上后整卡居中。 */
  text-align:center;
}
.prod-cta-box .cta-title{font-size:1.1rem;font-weight:700;color:var(--blue-deep)}
.prod-cta-box .cta-phone{font-size:1.4rem;font-weight:800;color:var(--orange)}
.prod-cta-box .cta-phone a{color:inherit}
.prod-cta-box .cta-wechat{font-size:.9rem;color:var(--text-mid)}
.prod-cta-box .btn{width:100%;justify-content:center;margin-top:4px}

/* ===== Specs Table ===== */
.specs-section{margin-bottom:40px}
.specs-section h2{font-size:1.25rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--blue-main)}
.specs-table{width:100%;border-collapse:collapse;background:var(--white);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.specs-table th{background:var(--blue-deep);color:var(--white);text-align:left;padding:10px 16px;font-weight:500;font-size:.9rem;width:30%}
.specs-table td{padding:10px 16px;border-bottom:1px solid var(--border);font-size:.9rem}
.specs-table tr:last-child td{border-bottom:none}
.specs-table tr:nth-child(even) td{background:var(--bg-gray)}

/* ===== Description Section ===== */
.desc-section{margin-bottom:40px}
.desc-section h2{font-size:1.25rem;font-weight:700;margin-bottom:16px;padding-bottom:8px;border-bottom:2px solid var(--blue-main)}
.desc-section p{margin-bottom:14px;color:var(--text-mid);line-height:1.8}
.desc-section ul{margin:12px 0 12px 20px}
.desc-section li{margin-bottom:6px;color:var(--text-mid);list-style:disc}

/* ===== Related Products ===== */
.related-section{margin-bottom:20px}
.related-section h2{font-size:1.25rem;font-weight:700;margin-bottom:20px;padding-bottom:8px;border-bottom:2px solid var(--blue-main)}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}

/* ===== Services Section ===== */
.services-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.service-card{text-align:center;padding:24px 16px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);transition:all .25s}
.service-card:hover{border-color:var(--blue-main);box-shadow:var(--shadow-hover)}
.service-card svg{width:40px;height:40px;margin:0 auto 12px;color:var(--blue-main)}
.service-card h3{font-size:1.05rem;font-weight:600;margin-bottom:6px}
.service-card p{font-size:.85rem;color:var(--text-light)}

/* ===== Contact CTA (Bottom) ===== */
.contact-cta{background:linear-gradient(135deg,var(--blue-deep) 0%,var(--blue-main) 100%);color:var(--white);padding:48px 20px;text-align:center}
.contact-cta-inner{max-width:800px;margin:0 auto}
.contact-cta h2{font-size:1.6rem;font-weight:700;margin-bottom:12px}
.contact-cta p{font-size:1.05rem;opacity:.9;margin-bottom:24px}
.contact-cta .cta-phone-big{font-size:2rem;font-weight:800;margin:16px 0}
.contact-cta .cta-phone-big a{color:var(--white)}

/* ===== About Page ===== */
.about-content{max-width:900px;margin:0 auto;padding:0 20px 40px}
.about-content h1{font-size:1.8rem;font-weight:700;margin-bottom:24px;color:var(--blue-deep)}
.about-content p{margin-bottom:16px;color:var(--text-mid);line-height:1.8}
.about-content h2{font-size:1.25rem;font-weight:600;margin:28px 0 12px;color:var(--text-dark)}

/* ===== Contact Page ===== */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.contact-info h2{font-size:1.3rem;font-weight:700;margin-bottom:20px;color:var(--blue-deep)}
.contact-item{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.contact-item svg{width:32px;height:32px;color:var(--blue-main);flex-shrink:0}
.contact-item .ci-label{font-size:.85rem;color:var(--text-light)}
.contact-item .ci-value{font-size:1.05rem;font-weight:600;color:var(--text-dark)}
.contact-item .ci-value a{color:inherit}
.contact-qr{background:var(--blue-light);border-radius:var(--radius);padding:30px;text-align:center}
.contact-qr h3{font-size:1.1rem;font-weight:600;margin-bottom:16px;color:var(--blue-deep)}
.contact-qr .qr-placeholder,.contact-qr .qr-image{
  width:200px;height:200px;margin:0 auto 16px;
  background:var(--white);border:2px dashed var(--blue-main);border-radius:var(--radius);
  display:flex;align-items:center;justify-content:center;
  color:var(--blue-main);font-size:.9rem;text-align:center;padding:12px;
}
.contact-qr .qr-image{border-style:solid;border-width:1px;padding:6px;object-fit:contain}
.contact-qr p{font-size:.85rem;color:var(--text-light)}

/* ===== CTA with QR ===== */
.cta-qr-row{display:flex;align-items:center;justify-content:center;gap:32px;flex-wrap:wrap;margin-top:8px}
.cta-qr{display:flex;flex-direction:column;align-items:center}
.cta-qr img{width:110px;height:110px;background:var(--white);border-radius:8px;padding:4px;display:block;border:1px solid rgba(255,255,255,.3)}
.cta-qr .qr-tip{font-size:.8rem;opacity:.9;margin-top:6px}

/* ===== Footer ===== */
.site-footer{background:var(--text-dark);color:#aaa;padding:40px 20px 20px}
.footer-inner{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px}
.footer-col h4{color:var(--white);font-size:1rem;font-weight:600;margin-bottom:14px}
.footer-col p,.footer-col li{font-size:.85rem;line-height:1.8;margin-bottom:4px}
.footer-col a{color:#aaa}
.footer-col a:hover{color:var(--white)}
.footer-bottom{max-width:1200px;margin:24px auto 0;padding-top:20px;border-top:1px solid #333;text-align:center;font-size:.8rem;color:#666}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .cat-grid,.prod-grid,.related-grid,.services-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .main-nav{display:none}
  .mobile-toggle{display:block}
  /* 2026-09-28：移动端 header 只留 logo / 搜索 / 汉堡三项 → 去掉电话图标。
     电话入口仍在：产品页询价卡、页脚、联系我们页、悬浮微信。桌面端不变。 */
  .header-phone{display:none}
  .hero h1{font-size:1.6rem}
  .hero p{font-size:.95rem}
  .cat-grid,.prod-grid,.related-grid,.services-grid{grid-template-columns:1fr}
  /* 2026-09-28：列方向下 align-items:flex-start 会让子项按「内容宽度」收缩 ——
     询价卡只剩 193px，卡内两个按钮虽已竖排却只占左半、右侧空 157px；
     信息块又被 min-width:300px 顶到屏幕边缘。逐项显式定位：
     信息块与询价卡满宽（按钮一列到底），图片框按内容宽度居中。 */
  .prod-detail-head{flex-direction:column}
  .prod-detail-info{align-self:stretch;min-width:0}
  .prod-cta-box{max-width:100%;align-self:stretch}
  .prod-hero-wrap{align-self:center}
  .contact-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:20px}
  .section{padding:40px 16px}
  .hero{padding:40px 16px}
  /* 小屏：询价表单跟父容器等宽，避免溢出 */
  .inquiry-form{max-width:100%}
  /* 小屏：规格表横向滚动（避免整页横滚） */
  .specs-table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
  .specs-table th{width:auto;white-space:nowrap}

  /* ===== 2026-09-28 移动端菜单修复 =====
     背景：≤768px 汉堡按钮原先只把 .main-nav 切成 display:flex，而 .main-nav 的基础样式是
     flex-direction:row + gap:20px，且 .header-inner 无 flex-wrap、子项 white-space:nowrap
     不可收缩 → 展开后 14 项横排一行，溢出被 body{overflow-x:hidden} 裁掉，后半菜单项不可点。
     现改为「纵向全宽面板」：绝对定位于 .site-header 之下（sticky 已建立包含块）。 */
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:stretch;gap:0;
    position:absolute;left:0;right:0;top:100%;z-index:1200;
    background:#fff;border-top:1px solid var(--border);
    box-shadow:0 16px 30px rgba(20,40,90,.14);
    padding:4px 16px 14px;
    max-height:calc(100vh - 64px);
    max-height:calc(100dvh - 64px);
    overflow-y:auto;-webkit-overflow-scrolling:touch;
  }
  .main-nav.is-open a{display:block;padding:13px 2px;font-size:1rem;border-bottom:1px solid var(--bg-gray)}
  .main-nav.is-open a:last-of-type{border-bottom:none}
  .main-nav.is-open a.active::after{display:none}
  .main-nav.is-open .nav-drop{display:block;position:static}
  .main-nav.is-open .nav-drop>a{display:flex;align-items:center;justify-content:space-between}
  /* 汉堡按钮：触控目标补到 44×44（原约 38×46 px，低于 44 推荐值），并给出打开态（×） */
  .mobile-toggle{display:flex;flex-direction:column;align-items:center;justify-content:center;width:44px;height:44px;padding:0}
  .mobile-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
  .mobile-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
  .mobile-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
  /* iOS：聚焦 font-size < 16px 的输入框会整页缩放 → 移动端提到 16px */
  .hs-input{font-size:16px}
}
@media(max-width:480px){
  .hero h1{font-size:1.4rem}
  .hero-btns{flex-direction:column;align-items:center}
  .section-title h2{font-size:1.4rem}
}

/* ===== 公共微信浮窗（全站统一组件） ===== */
.contact-float{position:fixed;right:24px;bottom:24px;z-index:9999;font-family:inherit}
.cf-toggle{width:56px;height:56px;border-radius:50%;border:none;background:linear-gradient(135deg,#07c160,#06ad56);color:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;box-shadow:0 6px 18px rgba(7,193,96,.4);transition:transform .2s}
.cf-toggle:hover{transform:scale(1.06)}
.cf-toggle svg{width:24px;height:24px;display:block}
.cf-label{font-size:11px;line-height:1;margin-top:1px}
.cf-panel{position:absolute;right:0;bottom:68px;width:200px;background:#fff;border-radius:14px;box-shadow:0 12px 36px rgba(20,40,90,.22);padding:16px 16px 14px;text-align:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:.22s;pointer-events:none;border:1px solid #eef0f6}
.cf-panel.open{opacity:1;visibility:visible;transform:translateY(0);pointer-events:auto}
.cf-panel-title{font-size:14px;font-weight:700;color:#1a2233;margin-bottom:10px}
.cf-qr{display:flex;justify-content:center;margin-bottom:10px}
.cf-qr img{width:120px;height:120px;border-radius:8px;border:1px solid #eee;background:#fff;display:block}
.cf-btns{display:flex;gap:8px;margin-bottom:8px}
.cf-btns .btn{flex:1;font-size:13px;padding:8px 0;border-radius:8px;text-decoration:none;text-align:center;cursor:pointer;border:none;font-weight:600}
.cf-tip{font-size:12px;color:#6b7280}
.cf-copied{font-size:12px;color:#07c160;margin-top:6px;font-weight:600}
@media(max-width:768px){
  /* 2026-09-28 全面屏安全区：iPhone 底部横条/圆角处不遮挡浮窗 */
  .contact-float{right:calc(14px + env(safe-area-inset-right,0px));bottom:calc(14px + env(safe-area-inset-bottom,0px))}
  .cf-toggle{width:50px;height:50px}
  .cf-panel{width:186px}
}

/* ===== 首页优化：双栏 Hero / 搜索入口 / 主营品牌 / 三按钮悬浮条 ===== */
.hero-split{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;text-align:left}
.hero-left .hero-devices{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 14px}
.hero-devices span{font-size:.85rem;padding:5px 14px;border-radius:20px;background:rgba(255,255,255,.22);color:#fff;border:1px solid rgba(255,255,255,.45);font-weight:600;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.hero-sub{font-size:1.05rem;opacity:.92;margin:0 0 18px;max-width:560px}
.hero-chips{display:flex;gap:10px;margin-bottom:24px;flex-wrap:wrap}
.hero-chips span{font-size:.92rem;font-weight:600;padding:6px 16px;border-radius:6px;background:rgba(255,255,255,.18);color:#fff;border:1px solid rgba(255,255,255,.4);backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px)}
.hero-right{display:flex;flex-direction:column;gap:18px}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-content:start}
.hv-card{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);border-radius:12px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);min-height:120px;text-align:center}
.hv-card svg{width:78px;height:60px;display:block;flex-shrink:0;max-width:100%;margin:0 auto}
.hv-card span{font-size:.85rem;color:#fff;font-weight:600}
.hero-brands{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.hero-brands span{font-size:.78rem;padding:4px 10px;border-radius:6px;background:rgba(255,255,255,.1);color:rgba(255,255,255,.9)}

/* 型号搜索入口 */
.search-section{background:var(--bg-gray);padding:40px 20px}
.search-inner{max-width:900px;margin:0 auto;text-align:center}
.search-section h2{font-size:1.5rem;font-weight:700;color:var(--text-dark)}
.search-section>p{color:var(--text-mid);margin:8px 0 20px}
.search-box{display:flex;gap:10px;max-width:640px;margin:0 auto}
.search-box input{flex:1;padding:14px 18px;border:1px solid var(--border);border-radius:8px;font-size:1rem;outline:none}
.search-box input:focus{border-color:var(--blue-main)}
.search-chips{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.search-chip{font-size:.85rem;padding:5px 14px;border-radius:18px;background:#fff;border:1px solid var(--border);color:var(--blue-deep);cursor:pointer;transition:all .2s}
.search-chip:hover{background:var(--blue-main);color:#fff;border-color:var(--blue-main)}

/* ===== 站内搜索：首页联想下拉 ===== */
.search-box{position:relative}
.gs-suggest{position:absolute;left:0;right:0;top:calc(100% + 6px);background:#fff;border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-hover);overflow:hidden;text-align:left;display:none;z-index:60}
.gs-suggest.open{display:block}
.gs-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-bottom:1px solid var(--bg-gray);color:var(--text-dark)}
.gs-item:last-of-type{border-bottom:none}
.gs-item:hover,.gs-item.active{background:var(--blue-light);color:var(--blue-deep)}
.gs-img{width:38px;height:38px;object-fit:contain;border:1px solid var(--border);border-radius:6px;background:#fff;flex:none}
.gs-ico{width:38px;height:38px;flex:none;display:flex;align-items:center;justify-content:center;font-size:.72rem;color:var(--blue-deep);background:var(--blue-light);border-radius:6px}
.gs-txt{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.35}
.gs-txt b{font-size:.92rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gs-txt i{font-style:normal;font-size:.76rem;color:var(--text-light);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gs-go{font-size:.76rem;color:var(--blue-main);flex:none}
.gs-empty{padding:14px 12px;font-size:.85rem;color:var(--text-light);text-align:center}
.gs-all{display:block;padding:9px 12px;text-align:center;font-size:.82rem;color:var(--blue-deep);background:var(--bg-gray)}

/* ===== 站内搜索：结果页 ===== */
.search-hero{background:linear-gradient(135deg,var(--blue-deep),var(--blue-main));color:#fff;padding:44px 20px 40px;text-align:center}
.search-hero-inner{max-width:760px;margin:0 auto}
.sh-kicker{font-size:.8rem;letter-spacing:2px;opacity:.85;margin-bottom:8px}
.sh-title{font-size:1.7rem;font-weight:700;margin-bottom:8px}
.sh-desc{font-size:.9rem;opacity:.9;margin-bottom:22px}
.search-box-lg{max-width:620px}
.search-box-lg input{padding:15px 18px;border:none;box-shadow:0 6px 22px rgba(0,0,0,.18)}
.search-hero .search-chip{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.35);color:#fff}
.search-hero .search-chip:hover{background:#fff;color:var(--blue-deep);border-color:#fff}
.sr-section{min-height:180px}
.sr-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:6px}
.sr-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:all .22s;color:var(--text-dark)}
.sr-card:hover{border-color:var(--blue-main);box-shadow:var(--shadow-hover);transform:translateY(-2px);color:var(--text-dark)}
.sr-thumb{height:132px;display:flex;align-items:center;justify-content:center;background:var(--bg-gray);padding:10px}
.sr-thumb img{max-height:112px;width:auto;object-fit:contain}
.sr-ph{font-size:1.5rem;color:var(--blue-deep);opacity:.35;font-weight:700}
.sr-body{padding:12px 14px 16px;display:flex;flex-direction:column;gap:6px}
.sr-tag{align-self:flex-start;font-size:.7rem;padding:2px 8px;border-radius:10px;background:var(--blue-light);color:var(--blue-deep)}
.sr-tag-brand,.sr-tag-category{background:#fff2ea;color:#c2410c}
.sr-tag-article,.sr-tag-service{background:#eafaf1;color:#0f7a45}
.sr-name{font-size:.95rem;font-weight:600;line-height:1.45}
.sr-sub{font-size:.78rem;color:var(--text-light)}
.sr-empty{color:var(--text-mid);font-size:.92rem;padding:26px 0;line-height:1.9}
.sr-empty-cta{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.sr-help{color:var(--text-mid);font-size:.92rem;margin:6px 0 16px}
.sr-help-btns{display:flex;gap:10px;flex-wrap:wrap}
@media(max-width:900px){.sr-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.sr-grid{grid-template-columns:1fr}.sh-title{font-size:1.35rem}}

/* 主营品牌 */
.brand-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.brand-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px 16px;text-align:center;transition:all .25s;display:flex;flex-direction:column;gap:4px}
.brand-card:hover{border-color:var(--blue-main);box-shadow:var(--shadow-hover);transform:translateY(-2px)}
.brand-en{font-size:1.05rem;font-weight:700;color:var(--text-dark)}
.brand-cn{font-size:1rem;font-weight:600;color:var(--blue-deep);letter-spacing:1px}
.brand-country{font-size:.78rem;color:var(--text-light)}

/* 产品卡描述 */
.prod-desc{font-size:.82rem;color:var(--text-mid);margin-bottom:8px;line-height:1.5}

/* 三按钮悬浮工具条 */
.cf-actions{display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.cf-action{width:52px;height:52px;border-radius:50%;border:none;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;color:#fff;box-shadow:0 6px 18px rgba(20,40,90,.25);transition:transform .2s;text-decoration:none}
.cf-action:hover{transform:scale(1.06)}
.cf-action svg{width:22px;height:22px;display:block}
.cf-action span{font-size:11px;line-height:1;margin-top:1px}
.cf-call{background:linear-gradient(135deg,#2d7ff0,#1a5fb4)}
.cf-wechat{background:linear-gradient(135deg,#07c160,#06ad56)}
.cf-quote{background:linear-gradient(135deg,#ff6b35,#e55a2b)}
.cf-panel{bottom:calc(100% + 10px)}

/* 响应式 */
@media(max-width:1024px){
  .brand-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .hero-split{grid-template-columns:1fr;gap:28px;text-align:center}
  .hero-sub{margin-left:auto;margin-right:auto}
  .hero-devices,.hero-chips{justify-content:center}
  .hero-visual{grid-template-columns:1fr 1fr;max-width:480px;margin:0 auto;width:100%}
  .search-box{flex-direction:column}
  .brand-grid{grid-template-columns:1fr 1fr}
  .prod-grid{grid-template-columns:1fr}
  .cf-actions{flex-direction:row;justify-content:center;align-items:center}
}
@media(max-width:480px){
  .hero-visual{grid-template-columns:1fr 1fr}
}