*{margin:0;padding:0;box-sizing:border-box}
:root{--qbw-primary:#1a3a6c;--qbw-accent:#ff6b1a;--qbw-bg:#f5f7fa;--qbw-text:#2c3e50;--qbw-muted:#7f8c9b;--qbw-border:#e3e8ef}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,sans-serif;color:var(--qbw-text);background:#fff;line-height:1.7;font-size:15px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul{list-style:none}
.qbw-wrap{max-width:1200px;margin:0 auto;padding:0 16px}

.qbw-topbar{background:var(--qbw-primary);color:#fff;font-size:13px;padding:8px 0}
.qbw-topbar .qbw-wrap{display:flex;justify-content:space-between;align-items:center}
.qbw-topbar a{color:#cdd9e8;margin-left:16px}
.qbw-topbar a:hover{color:var(--qbw-accent)}

.qbw-header{background:#fff;box-shadow:0 2px 12px rgba(26,58,108,.08);position:sticky;top:0;z-index:100}
.qbw-header .qbw-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.qbw-logo img{height:44px;width:auto}
.qbw-nav ul{display:flex;gap:8px}
.qbw-nav li a{display:block;padding:10px 18px;border-radius:6px;font-weight:500;font-size:15px;color:var(--qbw-text);transition:.2s}
.qbw-nav li a:hover,.qbw-nav li.qbw-on a{background:var(--qbw-primary);color:#fff}
.qbw-burger{display:none;font-size:24px;cursor:pointer;background:none;border:none;color:var(--qbw-primary)}

.qbw-banner{position:relative;height:420px;overflow:hidden;background:linear-gradient(135deg,#0d2547,#1a3a6c)}
.qbw-banner img{width:100%;height:100%;object-fit:cover;opacity:.55}
.qbw-banner-txt{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);text-align:center;color:#fff}
.qbw-banner-txt h1{font-size:42px;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.4)}
.qbw-banner-txt p{font-size:18px;opacity:.92;max-width:680px;margin:0 auto}
.qbw-banner-txt .qbw-cta{display:inline-block;margin-top:24px;padding:12px 36px;background:var(--qbw-accent);color:#fff;border-radius:30px;font-weight:600;transition:.2s}
.qbw-banner-txt .qbw-cta:hover{background:#e55a0a}

.qbw-quick{background:#fff;padding:36px 0}
.qbw-quick-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.qbw-quick a{text-align:center;padding:22px 8px;border-radius:10px;background:var(--qbw-bg);transition:.25s}
.qbw-quick a:hover{transform:translateY(-4px);box-shadow:0 8px 20px rgba(26,58,108,.12);background:#fff}
.qbw-quick .qbw-ic{font-size:28px;color:var(--qbw-accent);font-weight:700;margin-bottom:8px;font-style:normal}
.qbw-quick span{display:block;font-size:14px;color:var(--qbw-text)}

.qbw-sec{padding:40px 0}
.qbw-sec-bg{background:var(--qbw-bg)}
.qbw-sec-hd{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;border-bottom:2px solid var(--qbw-primary);padding-bottom:10px}
.qbw-sec-hd h2{font-size:24px;color:var(--qbw-primary);position:relative;padding-left:14px}
.qbw-sec-hd h2:before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;background:var(--qbw-accent);border-radius:2px}
.qbw-sec-hd a{font-size:13px;color:var(--qbw-muted)}
.qbw-sec-hd a:hover{color:var(--qbw-accent)}

.qbw-prod-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qbw-prod{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 2px 10px rgba(0,0,0,.06);transition:.25s}
.qbw-prod:hover{transform:translateY(-4px);box-shadow:0 12px 28px rgba(26,58,108,.14)}
.qbw-prod img{width:100%;height:200px;object-fit:cover}
.qbw-prod-bd{padding:16px}
.qbw-prod-bd h3{font-size:17px;margin-bottom:6px;color:var(--qbw-primary)}
.qbw-prod-bd .qbw-price{color:var(--qbw-accent);font-weight:700;font-size:18px;margin:6px 0}
.qbw-prod-bd p{font-size:13px;color:var(--qbw-muted);line-height:1.6}

.qbw-news-col{display:grid;grid-template-columns:2fr 1fr;gap:28px}
.qbw-news-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--qbw-border)}
.qbw-news-list img{width:180px;height:112px;object-fit:cover;border-radius:6px;flex-shrink:0}
.qbw-news-list h3{font-size:16px;color:var(--qbw-text);margin-bottom:6px;line-height:1.5}
.qbw-news-list h3 a:hover{color:var(--qbw-accent)}
.qbw-news-list .qbw-meta{font-size:12px;color:var(--qbw-muted)}
.qbw-news-list p{font-size:13px;color:var(--qbw-muted);margin-top:4px;line-height:1.6}

.qbw-side{background:#fff;border-radius:10px;padding:18px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.qbw-side h3{font-size:17px;color:var(--qbw-primary);margin-bottom:14px;padding-bottom:10px;border-bottom:2px solid var(--qbw-accent)}
.qbw-side li{padding:8px 0;border-bottom:1px dashed var(--qbw-border);font-size:14px}
.qbw-side li:last-child{border:0}
.qbw-side li a:hover{color:var(--qbw-accent)}

.qbw-article{background:#fff;border-radius:10px;padding:32px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.qbw-article h1{font-size:28px;color:var(--qbw-primary);line-height:1.4;margin-bottom:14px}
.qbw-article .qbw-meta{font-size:13px;color:var(--qbw-muted);padding-bottom:16px;border-bottom:1px solid var(--qbw-border);margin-bottom:20px}
.qbw-article img{width:100%;border-radius:8px;margin:16px 0}
.qbw-article p{margin-bottom:16px;font-size:15px;line-height:1.9}
.qbw-article h2{font-size:20px;color:var(--qbw-primary);margin:24px 0 12px;padding-left:10px;border-left:4px solid var(--qbw-accent)}

.qbw-breadcrumb{font-size:13px;color:var(--qbw-muted);padding:16px 0}
.qbw-breadcrumb a{color:var(--qbw-muted)}
.qbw-breadcrumb a:hover{color:var(--qbw-accent)}

.qbw-pager{display:flex;gap:10px;justify-content:center;margin-top:30px}
.qbw-pager a{padding:8px 16px;border:1px solid var(--qbw-border);border-radius:6px;font-size:14px;background:#fff}
.qbw-pager a.qbw-cur{background:var(--qbw-primary);color:#fff;border-color:var(--qbw-primary)}

.qbw-foot{background:#0d2547;color:#9fb3cc;padding:40px 0 20px;margin-top:40px}
.qbw-foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:30px;margin-bottom:24px}
.qbw-foot h4{color:#fff;font-size:16px;margin-bottom:14px}
.qbw-foot li{padding:4px 0;font-size:13px}
.qbw-foot a:hover{color:var(--qbw-accent)}
.qbw-foot-bot{text-align:center;padding-top:18px;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:#7a90ad}

.qbw-404{text-align:center;padding:80px 20px}
.qbw-404 h1{font-size:96px;color:var(--qbw-primary);line-height:1}
.qbw-404 p{font-size:18px;color:var(--qbw-muted);margin:16px 0 28px}
.qbw-404 a{display:inline-block;padding:12px 36px;background:var(--qbw-accent);color:#fff;border-radius:30px;font-weight:600}

@media(max-width:900px){
  .qbw-banner-txt h1{font-size:28px}
  .qbw-banner-txt p{font-size:15px;padding:0 16px}
  .qbw-quick-grid{grid-template-columns:repeat(3,1fr)}
  .qbw-prod-grid{grid-template-columns:repeat(2,1fr)}
  .qbw-news-col{grid-template-columns:1fr}
  .qbw-foot-grid{grid-template-columns:1fr 1fr}
  .qbw-news-list img{width:120px;height:80px}
}
@media(max-width:640px){
  .qbw-nav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;box-shadow:0 8px 16px rgba(0,0,0,.1)}
  .qbw-nav.qbw-open{display:block}
  .qbw-nav ul{flex-direction:column;padding:10px}
  .qbw-burger{display:block}
  .qbw-banner{height:280px}
  .qbw-quick-grid{grid-template-columns:repeat(2,1fr)}
  .qbw-prod-grid{grid-template-columns:1fr}
  .qbw-foot-grid{grid-template-columns:1fr}
  .qbw-article{padding:18px}
  .qbw-article h1{font-size:22px}
  .qbw-topbar .qbw-hide-m{display:none}
}