/* =========================================================
   PEPTIDE CMS · 前台样式（主题由后台注入的 :root 变量驱动）
   变量：--c-primary/-dk/accent/bg/surface/text/muted/border/soft/g1/g2、--btn-radius
   ========================================================= */
:root{
  --c-primary:#1565d8; --c-primary-dk:#0d47a1; --c-accent:#00bcd4;
  --c-bg:#f5f8fc; --c-surface:#ffffff; --c-text:#0f1b2d; --c-muted:#5a6b82;
  --c-border:#e2e9f3; --c-soft:#eaf2ff; --c-g1:#1565d8; --c-g2:#00bcd4;
  --btn-radius:10px;
  --shadow:0 8px 30px rgba(15,40,90,.08);
  --shadow-sm:0 4px 14px rgba(15,40,90,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--c-bg);color:var(--c-text);line-height:1.7;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}
h1,h2,h3,h4{line-height:1.3;color:var(--c-text)}
.container{max-width:1180px;margin:0 auto;padding:0 22px}
.muted{color:var(--c-muted)}
.small{font-size:13px}
.text-center{text-align:center}

/* 按钮 */
.btn{display:inline-flex;align-items:center;gap:8px;border:none;border-radius:var(--btn-radius);
  padding:12px 22px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none;
  transition:transform .15s,box-shadow .15s,background .2s}
.btn:hover{text-decoration:none;transform:translateY(-1px);box-shadow:var(--shadow-sm)}
.btn-primary{background:var(--c-primary);color:#fff}
.btn-primary:hover{background:var(--c-primary-dk)}
.btn-ghost{background:transparent;color:var(--c-primary);border:1.5px solid var(--c-primary)}
.btn-ghost:hover{background:var(--c-soft)}
.btn-light{background:#fff;color:var(--c-primary-dk)}
.btn-light:hover{background:#eef3fb}

/* 头部导航 */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--c-border)}
.nav{display:flex;align-items:center;gap:24px;height:66px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--c-text)}
.logo svg{width:26px;height:26px;color:var(--c-primary)}
.nav-links{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav-links a{color:var(--c-muted);font-size:15px;font-weight:500;position:relative;padding:6px 0}
.nav-links a:hover{color:var(--c-primary);text-decoration:none}
.nav-links a.active{color:var(--c-primary)}
.nav-links a.active::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;background:var(--c-primary);border-radius:3px}
.nav-cta{margin-left:8px}
.hamburger{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px;margin-left:auto}
.hamburger span{width:24px;height:2.5px;background:var(--c-text);border-radius:2px;transition:.25s}
@media(max-width:820px){
  .hamburger{display:flex}
  .nav-links{display:none;position:absolute;top:66px;left:0;right:0;flex-direction:column;gap:0;
    background:var(--c-surface);border-bottom:1px solid var(--c-border);padding:8px 22px 16px;box-shadow:var(--shadow-sm);margin-left:0}
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 0;border-bottom:1px solid var(--c-border);width:100%}
  .nav-links a.active::after{display:none}
  .nav-cta{margin:12px 0 4px}
}

/* Hero */
.hero{background:linear-gradient(135deg,var(--c-g1),var(--c-g2));color:#fff;padding:74px 0 66px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.18),transparent 70%)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center}
.hero h1{font-size:42px;margin-bottom:18px;line-height:1.2;color:#fff}
.hero p{font-size:17px;opacity:.95;margin-bottom:26px;max-width:520px}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.hero-chain{display:flex;justify-content:center}
.hero-chain svg{width:100%;max-width:320px;filter:drop-shadow(0 10px 24px rgba(0,0,0,.2))}
@media(max-width:820px){.hero-grid{grid-template-columns:1fr}.hero-chain{display:none}.hero h1{font-size:32px}}

/* 区块 */
.section{padding:64px 0}
.section.alt{background:var(--c-surface)}
.section-head{text-align:center;max-width:680px;margin:0 auto 40px}
.section-head .eyebrow{color:var(--c-primary);font-weight:700;font-size:14px;letter-spacing:1px;text-transform:uppercase}
.section-head h2{font-size:30px;margin:10px 0 12px}
.section-head p{color:var(--c-muted);font-size:16px}

/* 网格 & 卡片 */
.grid{display:grid;gap:22px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:620px){.grid-2,.grid-3{grid-template-columns:1fr}}

.card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}

/* 产品卡 */
.product{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.product:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.product .thumb{height:150px;background:linear-gradient(135deg,var(--c-g1),var(--c-g2));position:relative}
.product .thumb img{width:100%;height:100%;object-fit:contain;background:#fff;padding:6px}
.product .thumb .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--c-primary-dk);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.product .body{padding:18px;display:flex;flex-direction:column;flex:1}
.product .body h3{font-size:17px;margin-bottom:6px}
.product .body p{color:var(--c-muted);font-size:13.5px;margin-bottom:14px;flex:1}
.product .meta{display:flex;justify-content:space-between;align-items:center}
.tag{display:inline-block;font-size:11.5px;background:var(--c-soft);color:var(--c-primary);padding:4px 10px;border-radius:999px;font-weight:600}

/* 面包屑 */
.breadcrumb{padding:18px 0;color:var(--c-muted);font-size:14px}
.breadcrumb a{color:var(--c-muted)}
.breadcrumb span{margin:0 8px}

/* 搜索 */
.search-wrap{position:relative;max-width:520px;margin:0 auto}
.search-input{width:100%;border:1px solid var(--c-border);border-radius:12px;padding:14px 18px 14px 44px;font-size:15px;background:var(--c-surface);color:var(--c-text);font-family:inherit;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='18' height='18' fill='none' stroke='%235a6b82' stroke-width='2' viewBox='0 0 24 24'><circle cx='11' cy='11' r='7'/><path d='M21 21l-4-4'/></svg>");
  background-repeat:no-repeat;background-position:14px center}
.search-input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-soft)}

/* 筛选 */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:34px}
.filter-btn{border:1px solid var(--c-border);background:var(--c-surface);color:var(--c-muted);padding:8px 18px;border-radius:999px;font-size:14px;cursor:pointer;transition:.15s;font-weight:500;text-decoration:none}
.filter-btn:hover{border-color:var(--c-primary);color:var(--c-primary);text-decoration:none}
.filter-btn.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary)}

/* 产品详情 */
.detail-img{border:1px solid var(--c-border);border-radius:16px;background:var(--c-surface);height:320px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.detail-img img{max-height:100%;object-fit:contain}
.detail-img-ph{color:var(--c-muted);text-align:center;font-size:14px}
.price-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:15px}
.price-table th,.price-table td{border:1px solid var(--c-border);padding:12px 14px;text-align:left}
.price-table th{background:var(--c-soft);color:var(--c-text);font-weight:700;width:36%}
.price-table td{color:var(--c-primary);font-weight:700}

/* 富文本内容 */
.article{max-width:820px;margin:0 auto}
.article h1{font-size:32px;margin-bottom:14px}
.article h2{font-size:23px;margin:28px 0 14px}
.article h3{font-size:19px;margin:22px 0 10px}
.article p{margin-bottom:16px}
.article .lead{font-size:18px;color:var(--c-muted)}
.article ul,.article ol{padding-left:22px;margin-bottom:16px;list-style:disc}
.article li{margin-bottom:6px}
.rich img{max-width:100%;border-radius:10px}
.rich .callout{background:var(--c-soft);border-left:4px solid var(--c-primary);padding:14px 18px;border-radius:0 12px 12px 0;margin:18px 0}
.rich code{background:var(--c-soft);padding:2px 6px;border-radius:6px;font-size:.9em}
.rich table{width:100%;border-collapse:collapse;margin:12px 0}
.rich th,.rich td{border:1px solid var(--c-border);padding:8px 10px}
.rich a{color:var(--c-primary)}

/* CTA 带 */
.cta-band{background:linear-gradient(135deg,var(--c-g1),var(--c-g2));color:#fff;text-align:center;padding:54px 22px;border-radius:20px}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px}
.cta-band p{opacity:.95;margin-bottom:24px}

/* 联系卡片 */
.contact-card{display:block;background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:28px;text-align:center;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;text-decoration:none;color:inherit}
.contact-card:hover{transform:translateY(-4px);box-shadow:var(--shadow);text-decoration:none}
.cc-ic{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px;color:#fff}
.cc-ic svg{width:28px;height:28px}
.fc-qq-bg{background:#12b7f5}.fc-wx-bg{background:#07c160}.fc-wa-bg{background:#25d366}.fc-tel-bg{background:#ff7a00}.fc-tg-bg{background:#229ED9}
.contact-card h3{font-size:18px;margin-bottom:6px}
.contact-card p{color:var(--c-muted);font-size:13.5px}
.cc-num{display:inline-block;margin-top:10px;font-weight:700;color:var(--c-primary);font-size:14px}

/* 滚动显示二维码 */
.qr-reveal{margin-top:44px;text-align:center}
.qr-title{font-size:20px;margin-bottom:22px}
.qr-grid{display:flex;gap:30px;justify-content:center;flex-wrap:wrap}
.qr-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:20px;width:220px;box-shadow:var(--shadow-sm);opacity:0;transform:translateY(24px);transition:opacity .6s ease,transform .6s ease}
.qr-reveal.in .qr-card{opacity:1;transform:none}
.qr-reveal.in .qr-card:nth-child(2){transition-delay:.15s}
.qr-box{width:180px;height:180px;margin:0 auto 12px;border:1px solid var(--c-border);border-radius:12px;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff}
.qr-box img{width:100%;height:100%;object-fit:contain}
.qr-ph{color:var(--c-muted);font-size:13px;text-align:center;padding:10px}
.qr-label{display:inline-block;color:#fff;font-weight:700;font-size:13px;padding:4px 14px;border-radius:999px;margin-bottom:8px}
.qr-card p{color:var(--c-muted);font-size:13px}

/* 联系元信息 */
.contact-meta{display:flex;gap:40px;justify-content:center;flex-wrap:wrap;margin-top:40px}
.info-row{display:flex;gap:12px;align-items:center}
.info-row .ic{width:42px;height:42px;border-radius:12px;background:var(--c-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:20px}
.info-row .txt b{display:block;font-size:15px}
.info-row .txt span{color:var(--c-muted);font-size:14px}

/* 页脚 */
.site-footer{background:#0b1220;color:#aebccf;padding:54px 0 26px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
@media(max-width:820px){.footer-grid{grid-template-columns:1fr 1fr}.footer-grid .f-brand{grid-column:1 / -1}}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:14px}
.site-footer a{color:#aebccf;font-size:14px;display:block;margin-bottom:9px}
.site-footer a:hover{color:#fff}
.f-brand .logo{color:#fff;margin-bottom:12px}
.f-brand p{font-size:14px;max-width:320px}
.foot-note{font-size:12.5px;color:#7f8ea6;margin-top:12px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px}

/* 悬浮联系框 */
.float-contact{position:fixed;right:0;top:50%;transform:translateY(-50%);z-index:45;display:flex;flex-direction:column;gap:10px;padding:12px 10px;background:var(--c-surface);border:1px solid var(--c-border);border-right:none;border-radius:16px 0 0 16px;box-shadow:var(--shadow)}
.fc-item{position:relative;display:flex;justify-content:flex-end}
.fc-btn{width:46px;height:46px;border-radius:12px;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;color:#fff;transition:transform .15s,filter .15s;text-decoration:none}
.fc-btn:hover{transform:translateX(-3px);filter:brightness(1.06);text-decoration:none}
.fc-btn svg{width:24px;height:24px}
.fc-qq{background:#12b7f5}.fc-wx{background:#07c160}.fc-wa{background:#25d366}.fc-tel{background:#ff7a00}.fc-tg{background:#229ED9}
/* 悬停提示：默认隐藏，悬停/聚焦时平滑淡入，绝对定位不挤占布局 */
.fc-tip{position:absolute;right:58px;top:50%;transform:translateY(-50%) translateX(10px);
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:12px;box-shadow:var(--shadow);
  padding:9px 14px;min-width:128px;text-align:left;font-size:13px;color:var(--c-text);line-height:1.5;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;white-space:nowrap;z-index:60}
.fc-tip b{display:block;font-size:13px;color:var(--c-primary);margin-bottom:2px}
.fc-tip span{font-size:13px}
.fc-item:hover .fc-tip,.fc-item:focus-within .fc-tip,.fc-item.open .fc-tip{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(-50%) translateX(0)}
.fc-tip-wx{text-align:center;min-width:168px;padding:14px}
.fc-tip-wx .fc-wx-img{width:128px;height:128px;object-fit:contain;margin:0 auto 8px;border:1px solid var(--c-border);border-radius:8px}
.fc-tip-wx .fc-wx-qr{width:128px;height:128px;margin:0 auto 8px;border:1px solid var(--c-border);border-radius:8px;display:flex;align-items:center;justify-content:center;background:var(--c-soft);color:var(--c-muted);font-size:12px;text-align:center;padding:8px}
.fc-tip-wx .fc-wx-id{font-size:13px;color:var(--c-muted);margin:0;white-space:normal}
.fc-tip-wx b{margin-bottom:8px}
@media(max-width:600px){
  .float-contact{flex-direction:row;top:auto;bottom:78px;right:12px;transform:none;border-radius:14px;border:1px solid var(--c-border);padding:8px;gap:8px}
  .fc-btn{width:40px;height:40px}
  .fc-btn:hover{transform:none}
  .fc-tip{right:auto;left:50%;top:-8px;transform:translate(-50%,-100%) translateY(10px);white-space:normal;text-align:center}
  .fc-item:hover .fc-tip,.fc-item:focus-within .fc-tip,.fc-item.open .fc-tip{transform:translate(-50%,-100%) translateY(0)}
  .fc-tip-wx{transform:translate(-50%,-100%) translateY(10px)}
  .fc-item:hover .fc-tip-wx,.fc-item:focus-within .fc-tip-wx,.fc-item.open .fc-tip-wx{transform:translate(-50%,-100%) translateY(0)}
}

/* 返回顶部 */
.to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border-radius:50%;background:var(--c-primary);color:#fff;border:none;cursor:pointer;font-size:20px;box-shadow:var(--shadow);opacity:0;visibility:hidden;transition:.25s;z-index:40}
.to-top.show{opacity:1;visibility:visible}

/* 淡入 */
.fade-in{opacity:0;transform:translateY(16px);transition:.6s}
.fade-in.visible{opacity:1;transform:none}

/* ============ 文章系统（资讯中心） ============ */
.article-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;overflow:hidden;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s;display:flex;flex-direction:column}
.article-card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
.ac-thumb{height:162px;background:linear-gradient(135deg,var(--c-g1),var(--c-g2));position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden}
.ac-thumb img{width:100%;height:100%;object-fit:cover}
.ac-ph{color:#fff;font-weight:700;font-size:15px;letter-spacing:1px;opacity:.9}
.ac-cat{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--c-primary-dk);font-size:12px;font-weight:700;padding:4px 10px;border-radius:999px}
.ac-body{padding:16px 18px;display:flex;flex-direction:column;flex:1}
.ac-body h3{font-size:17px;margin-bottom:8px;color:var(--c-text)}
.ac-excerpt{color:var(--c-muted);font-size:13.5px;margin-bottom:14px;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.ac-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--c-muted)}

/* 置顶精选 */
.article-feature{display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:var(--c-surface);border:1px solid var(--c-border);border-radius:18px;overflow:hidden;box-shadow:var(--shadow-sm);margin-bottom:24px;text-decoration:none}
.article-feature:hover{box-shadow:var(--shadow);text-decoration:none}
.af-thumb{position:relative;min-height:220px;background:linear-gradient(135deg,var(--c-g1),var(--c-g2));display:flex;align-items:center;justify-content:center;overflow:hidden}
.af-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.af-ph{color:#fff;font-weight:800;font-size:22px;opacity:.92;z-index:1}
.af-flag{position:absolute;top:14px;left:14px;background:var(--c-primary);color:#fff;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;z-index:2}
.af-body{padding:28px;display:flex;flex-direction:column;justify-content:center}
.af-body h3{font-size:24px;margin:10px 0 12px;color:var(--c-text)}
.af-body p{color:var(--c-muted);margin-bottom:14px}
@media(max-width:760px){.article-feature{grid-template-columns:1fr}.af-thumb{min-height:170px}}

/* 工具栏 + 标签 */
.articles-toolbar{display:flex;gap:18px;align-items:center;flex-wrap:wrap;margin-bottom:28px}
.articles-search{flex:1;max-width:420px}
.hot-tags{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.hot-tags-label{color:var(--c-muted);font-size:13px}
.tag-chip{display:inline-block;font-size:12.5px;background:var(--c-soft);color:var(--c-primary);padding:5px 12px;border-radius:999px;font-weight:600;text-decoration:none;transition:.15s}
.tag-chip:hover{background:var(--c-primary);color:#fff;text-decoration:none}
.tag-chip.active{background:var(--c-primary);color:#fff}

/* 布局：主区 + 侧栏 */
.articles-layout{display:grid;grid-template-columns:1fr 280px;gap:30px;align-items:start}
@media(max-width:920px){.articles-layout{grid-template-columns:1fr}}
.articles-main{min-width:0}
.articles-side{display:flex;flex-direction:column;gap:20px;position:sticky;top:86px}
@media(max-width:920px){.articles-side{position:static}}
.side-block{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:20px;box-shadow:var(--shadow-sm)}
.side-block h4{font-size:15px;margin-bottom:12px;color:var(--c-text)}
.side-cats{list-style:none}
.side-cats li a{display:block;padding:9px 12px;border-radius:10px;color:var(--c-muted);font-size:14px;text-decoration:none}
.side-cats li a:hover,.side-cats li a.active{background:var(--c-soft);color:var(--c-primary);text-decoration:none}
.side-tags{display:flex;gap:8px;flex-wrap:wrap}

/* 分页 */
.pagination{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:34px}
.pagination a{min-width:40px;text-align:center;padding:9px 14px;border:1px solid var(--c-border);border-radius:10px;color:var(--c-muted);font-size:14px;text-decoration:none;transition:.15s}
.pagination a:hover,.pagination a.active{background:var(--c-primary);color:#fff;border-color:var(--c-primary);text-decoration:none}

/* 文章详情 */
.article-detail{max-width:820px;margin:0 auto}
.ad-head{border-bottom:1px solid var(--c-border);padding-bottom:20px;margin-bottom:24px}
.ad-head h1{font-size:32px;margin:12px 0 10px}
.ad-head .lead{font-size:18px;color:var(--c-muted)}
.ad-meta{display:flex;gap:18px;flex-wrap:wrap;color:var(--c-muted);font-size:13.5px;margin-top:12px}
.ad-cover{margin:0 0 26px;border-radius:16px;overflow:hidden;border:1px solid var(--c-border)}
.ad-cover img{width:100%;max-height:420px;object-fit:cover}
.ad-tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:26px}

/* ================= UI v2：导航二级菜单 ================= */
.nav-item{position:relative}
.nav-item.has-sub > a::after{content:"▾";font-size:11px;margin-left:4px;opacity:.7}
.sub-menu{position:absolute;top:calc(100% + 8px);left:50%;transform:translateX(-50%) translateY(8px);
  background:var(--c-surface);border:1px solid var(--c-border);border-radius:14px;box-shadow:var(--shadow-lg);
  min-width:150px;padding:8px;opacity:0;visibility:hidden;transition:.22s cubic-bezier(.4,0,.2,1);z-index:60}
.nav-item.has-sub:hover .sub-menu,.nav-item.has-sub:focus-within .sub-menu{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0)}
.sub-menu a{display:block;padding:9px 14px;border-radius:9px;color:var(--c-text)!important;font-size:14px;white-space:nowrap}
.sub-menu a:hover{background:var(--c-soft);color:var(--c-primary)!important;text-decoration:none}
.sub-menu a.active{color:var(--c-primary)!important}
@media(max-width:820px){
  .sub-menu{position:static;transform:none;opacity:1;visibility:visible;box-shadow:none;border:none;background:var(--c-soft);border-radius:10px;margin:4px 0 8px;padding:4px}
  .nav-item.has-sub > a::after{float:right}
}

/* ================= UI v2：首页轮播（图片/视频混合） ================= */
.carousel{position:relative;height:560px;overflow:hidden;background:linear-gradient(135deg,var(--c-g1),var(--c-g2))}
@media(max-width:820px){.carousel{height:420px}}
.carousel-track{position:relative;width:100%;height:100%}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .8s ease;pointer-events:none}
.slide.current{opacity:1;pointer-events:auto;z-index:2}
.slide-media{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide-ph{background:linear-gradient(135deg,var(--c-g1) 0%,var(--c-g2) 100%)}
.slide.current img.slide-media,.slide.current .slide-ph{animation:kenburns 12s ease-out forwards}
@keyframes kenburns{from{transform:scale(1)}to{transform:scale(1.08)}}
.slide-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(6,16,32,.25),rgba(6,16,32,.55));display:flex;align-items:center}
.slide-inner{width:100%;color:#fff}
.slide-inner h1{font-size:44px;line-height:1.25;margin-bottom:14px;max-width:640px;
  text-shadow:0 2px 18px rgba(0,0,0,.35)}
.slide-inner p{font-size:19px;opacity:.92;margin-bottom:24px;max-width:560px;text-shadow:0 1px 10px rgba(0,0,0,.3)}
.slide.current .slide-inner > *{animation:slideUp .8s cubic-bezier(.22,1,.36,1) both}
.slide.current .slide-inner p{animation-delay:.15s}
.slide.current .slide-inner .btn{animation-delay:.3s}
@keyframes slideUp{from{opacity:0;transform:translateY(26px)}to{opacity:1;transform:none}}
.carousel-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:10;width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;font-size:26px;line-height:1;cursor:pointer;
  backdrop-filter:blur(6px);transition:.2s;display:flex;align-items:center;justify-content:center}
.carousel-arrow:hover{background:rgba(255,255,255,.3)}
.carousel-arrow.prev{left:22px}.carousel-arrow.next{right:22px}
.carousel-dots{position:absolute;bottom:26px;left:0;right:0;display:flex;gap:10px;justify-content:center;z-index:10}
.carousel-dots .dot{width:10px;height:10px;border-radius:6px;background:rgba(255,255,255,.45);cursor:pointer;transition:.3s}
.carousel-dots .dot.active{width:30px;background:#fff}

/* ================= UI v2：公司新闻 · 杂志焦点版式 ================= */
.mag-hero{display:grid;grid-template-columns:1.35fr 1fr;gap:0;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:20px;overflow:hidden;margin-bottom:28px;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:.25s}
.mag-hero:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.mag-hero-thumb{position:relative;min-height:300px;background:linear-gradient(135deg,var(--c-g1),var(--c-g2))}
.mag-hero-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:.5s}
.mag-hero:hover .mag-hero-thumb img{transform:scale(1.04)}
.mag-hero-body{padding:34px 32px;display:flex;flex-direction:column;gap:12px;justify-content:center}
.mag-hero-title{font-size:27px;line-height:1.35;margin:0}
.mag-hero-sub{color:var(--c-primary);font-weight:600;font-size:16px;margin:0}
.mag-hero-excerpt{color:var(--c-muted);font-size:15px;line-height:1.8;margin:0}
.mag-secondary{margin-bottom:28px}
.mag-card{display:grid;grid-template-columns:200px 1fr;background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;
  overflow:hidden;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:.25s}
.mag-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px)}
.mag-card-thumb{position:relative;min-height:140px;background:var(--c-soft)}
.mag-card-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.mag-card-thumb .ac-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-weight:600}
.mag-card-body{padding:20px 22px;display:flex;flex-direction:column;gap:8px;justify-content:center}
.mag-card-body h3{margin:0;font-size:17px;line-height:1.5}
@media(max-width:900px){.mag-hero{grid-template-columns:1fr}.mag-hero-thumb{min-height:220px}.mag-card{grid-template-columns:1fr}.mag-card-thumb{min-height:180px}}

/* ================= UI v2：行业动态 · 资讯流版式 ================= */
.feed-list{display:flex;flex-direction:column;gap:16px}
.feed-item{display:grid;grid-template-columns:230px 1fr;gap:20px;background:var(--c-surface);border:1px solid var(--c-border);
  border-radius:16px;overflow:hidden;padding:14px;text-decoration:none;color:inherit;box-shadow:var(--shadow-sm);transition:.25s}
.feed-item:hover{box-shadow:var(--shadow-lg);transform:translateX(4px)}
.feed-thumb{position:relative;border-radius:12px;overflow:hidden;min-height:130px;background:var(--c-soft)}
.feed-thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.feed-thumb .ac-ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:var(--c-primary);font-weight:600}
.feed-body h3{margin:2px 0 6px;font-size:17.5px;line-height:1.5}
.feed-sub{color:var(--c-primary);font-weight:600;font-size:13.5px;margin:0 0 6px}
.feed-excerpt{color:var(--c-muted);font-size:14px;line-height:1.75;margin:0 0 10px}
.feed-meta{display:flex;gap:14px;align-items:center;flex-wrap:wrap;color:var(--c-muted);font-size:13px}
@media(max-width:760px){.feed-item{grid-template-columns:1fr}.feed-thumb{min-height:150px}}

/* ================= UI v2：关于我们子页面（时间轴 / 价值卡） ================= */
.timeline{position:relative;padding-left:30px;margin:10px 0 24px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--c-g1),var(--c-g2));border-radius:2px}
.tl-item{position:relative;padding:0 0 28px 18px;display:grid;grid-template-columns:64px 1fr;gap:14px}
.tl-dot{position:absolute;left:-27px;top:8px;width:14px;height:14px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px var(--c-soft)}
.tl-year{font-weight:800;color:var(--c-primary);font-size:17px}
.tl-body h3{margin:0 0 6px;font-size:16.5px}
.tl-body p{margin:0;color:var(--c-muted);font-size:14.5px;line-height:1.75}
.value-card{background:var(--c-surface);border:1px solid var(--c-border);border-radius:16px;padding:26px;box-shadow:var(--shadow-sm);transition:.25s}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.value-card h3{margin:0 0 10px;color:var(--c-primary)}
.value-card p{margin:0;color:var(--c-muted);font-size:14.5px;line-height:1.8}

/* ================= UI v2：动效开关降级 ================= */
body[data-motion="0"] .slide.current img.slide-media,
body[data-motion="0"] .slide.current .slide-ph{animation:none}
body[data-motion="0"] .slide.current .slide-inner > *{animation:none}
body[data-motion="0"] .fade-in{opacity:1;transform:none;transition:none}
@media(prefers-reduced-motion:reduce){
  .slide.current img.slide-media,.slide.current .slide-ph,.slide.current .slide-inner > *{animation:none!important}
}