:root{
  --qz4n-ink:#1b2621;
  --qz4n-ink-2:#3c4a42;
  --qz4n-muted:#6d7a72;
  --qz4n-line:#e3e7e1;
  --qz4n-bg:#f7f8f5;
  --qz4n-white:#ffffff;
  --qz4n-green:#14563f;
  --qz4n-green-2:#1d6b50;
  --qz4n-green-3:#e8f0ea;
  --qz4n-gold:#b8912f;
  --qz4n-gold-2:#e9dcb9;
  --qz4n-radius:10px;
  --qz4n-shadow:0 10px 28px rgba(20,86,63,.09);
  --qz4n-wrap:1180px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--qz4n-bg);color:var(--qz4n-ink);
  font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.75}
img{max-width:100%;display:block;border:0}
a{color:var(--qz4n-green);text-decoration:none}
a:hover{color:var(--qz4n-gold)}
h1,h2,h3,h4{margin:0 0 14px;line-height:1.35;font-weight:700;letter-spacing:.2px}
p{margin:0 0 14px}
ul,ol{margin:0 0 14px;padding-left:1.2em}
.qz4n-wrap{width:100%;max-width:var(--qz4n-wrap);margin:0 auto;padding:0 20px}
.qz4n-topbar{background:var(--qz4n-green);color:#dfe8e2;font-size:13px}
.qz4n-topbar .qz4n-wrap{display:flex;justify-content:space-between;gap:12px;align-items:center;
  min-height:38px;flex-wrap:wrap}
.qz4n-topbar span{opacity:.92}
.qz4n-topbar b{color:#fff;font-weight:600}
.qz4n-header{background:#fff;border-bottom:1px solid var(--qz4n-line);position:sticky;top:0;z-index:50}
.qz4n-header .qz4n-wrap{display:flex;align-items:center;gap:22px;min-height:78px}
.qz4n-brand{display:flex;align-items:center;gap:12px;flex:1 1 auto;min-width:0}
.qz4n-brand img{width:50px;height:50px;flex:0 0 50px}
.qz4n-brand-txt{min-width:0}
.qz4n-brand-name{display:block;font-size:17px;font-weight:700;color:var(--qz4n-green);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:560px}
.qz4n-brand-sub{display:block;font-size:12px;color:var(--qz4n-muted);letter-spacing:1px}
.qz4n-nav{display:flex;gap:6px;align-items:center}
.qz4n-nav a{display:block;padding:10px 14px;font-size:15px;color:var(--qz4n-ink-2);border-radius:6px}
.qz4n-nav a:hover{background:var(--qz4n-green-3);color:var(--qz4n-green)}
.qz4n-nav a.qz4n-on{background:var(--qz4n-green);color:#fff}
.qz4n-burger{display:none;width:42px;height:38px;border:1px solid var(--qz4n-line);background:#fff;
  border-radius:6px;cursor:pointer;padding:0}
.qz4n-burger i{display:block;width:20px;height:2px;background:var(--qz4n-green);margin:4px auto}
.qz4n-navpanel{display:none;background:#fff;border-top:1px solid var(--qz4n-line)}
.qz4n-navpanel a{display:block;padding:13px 20px;border-bottom:1px solid var(--qz4n-line)}
.qz4n-hero{position:relative;background:#0d3025;color:#fff;overflow:hidden}
.qz4n-slide{position:relative;min-height:520px;display:flex;align-items:center}
.qz4n-slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.62}
.qz4n-slide-mask{position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(9,38,28,.92) 0%,rgba(9,38,28,.72) 46%,rgba(9,38,28,.24) 100%)}
.qz4n-slide-body{position:relative;z-index:3;padding:64px 0;max-width:640px}
.qz4n-eyebrow{display:inline-block;font-size:12px;letter-spacing:3px;color:var(--qz4n-gold-2);
  border:1px solid rgba(233,220,185,.55);padding:4px 10px;border-radius:2px;margin-bottom:18px}
.qz4n-slide-body h1,.qz4n-slide-body h2{font-size:36px;line-height:1.35;margin-bottom:14px;color:#fff;font-weight:700}
.qz4n-slide-body p{font-size:16px;color:#dfe8e2;max-width:560px}
.qz4n-hero-acts{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.qz4n-btn{display:inline-block;padding:12px 24px;border-radius:4px;font-size:15px;
  background:var(--qz4n-gold);color:#20240f;font-weight:600;transition:.2s}
.qz4n-btn:hover{background:#cfa63c;color:#20240f}
.qz4n-btn-line{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6)}
.qz4n-btn-line:hover{background:rgba(255,255,255,.14);color:#fff}
.qz4n-dots{display:flex;gap:8px;margin-top:26px}
.qz4n-dots button{width:26px;height:4px;border:0;background:rgba(255,255,255,.4);cursor:pointer;padding:0}
.qz4n-dots button.qz4n-on{background:var(--qz4n-gold)}
.qz4n-promise{background:#fff;border-bottom:1px solid var(--qz4n-line)}
.qz4n-promise .qz4n-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.qz4n-promise-item{padding:22px 18px;border-right:1px solid var(--qz4n-line)}
.qz4n-promise-item:last-child{border-right:0}
.qz4n-promise-item b{display:block;font-size:15px;color:var(--qz4n-green);margin-bottom:4px}
.qz4n-promise-item span{font-size:13px;color:var(--qz4n-muted)}
.qz4n-sec{padding:64px 0}
.qz4n-sec-alt{background:#fff}
.qz4n-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;
  margin-bottom:32px;flex-wrap:wrap}
.qz4n-sec-title{font-size:13px;letter-spacing:2px;color:var(--qz4n-gold);margin-bottom:6px}
.qz4n-sec-head h2{font-size:28px;margin:0}
.qz4n-more{font-size:14px;color:var(--qz4n-muted);border-bottom:1px solid var(--qz4n-line);padding-bottom:2px}
.qz4n-more:hover{color:var(--qz4n-green);border-color:var(--qz4n-green)}
.qz4n-about{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.qz4n-about figure{margin:0;border-radius:var(--qz4n-radius);overflow:hidden;box-shadow:var(--qz4n-shadow)}
.qz4n-about figcaption{font-size:12px;color:var(--qz4n-muted);padding:10px 12px;background:#fff}
.qz4n-about h3{font-size:24px}
.qz4n-about p{color:var(--qz4n-ink-2)}
.qz4n-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:24px}
.qz4n-stat{background:#fff;border:1px solid var(--qz4n-line);border-left:3px solid var(--qz4n-gold);
  padding:14px 16px;border-radius:4px}
.qz4n-stat b{display:block;font-size:20px;color:var(--qz4n-green);line-height:1.3}
.qz4n-stat span{font-size:12px;color:var(--qz4n-muted)}
.qz4n-cats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.qz4n-cat{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  padding:22px 20px;transition:.2s}
.qz4n-cat:hover{box-shadow:var(--qz4n-shadow);transform:translateY(-2px);border-color:var(--qz4n-green-3)}
.qz4n-cat h3{font-size:17px;margin-bottom:8px;color:var(--qz4n-green)}
.qz4n-cat p{font-size:13px;color:var(--qz4n-muted);margin:0}
.qz4n-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.qz4n-card{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.qz4n-card:hover{box-shadow:var(--qz4n-shadow);transform:translateY(-2px)}
.qz4n-card-img{aspect-ratio:4/3;overflow:hidden;background:#eef1ec}
.qz4n-card-img img{width:100%;height:100%;object-fit:cover}
.qz4n-card-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1 1 auto}
.qz4n-tag{display:inline-block;font-size:11px;color:var(--qz4n-green);background:var(--qz4n-green-3);
  padding:2px 8px;border-radius:2px;margin-bottom:8px;width:fit-content}
.qz4n-card h3{font-size:16px;margin-bottom:6px}
.qz4n-card-note{font-size:13px;color:var(--qz4n-muted);margin:0 0 12px}
.qz4n-card-foot{margin-top:auto;font-size:13px;color:var(--qz4n-green)}
.qz4n-svc{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.qz4n-svc-item{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  padding:24px 22px}
.qz4n-svc-item b{display:block;font-size:16px;color:var(--qz4n-green);margin-bottom:8px}
.qz4n-svc-item p{font-size:13px;color:var(--qz4n-muted);margin:0}
.qz4n-gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.qz4n-gallery figure{margin:0;border-radius:var(--qz4n-radius);overflow:hidden;background:#fff;
  border:1px solid var(--qz4n-line)}
.qz4n-gallery img{aspect-ratio:4/3;object-fit:cover;width:100%}
.qz4n-gallery figcaption{font-size:12px;color:var(--qz4n-muted);padding:8px 10px}
.qz4n-news{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qz4n-news-card{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  overflow:hidden;display:flex;flex-direction:column;transition:.2s}
.qz4n-news-card:hover{box-shadow:var(--qz4n-shadow);transform:translateY(-2px)}
.qz4n-news-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.qz4n-news-card-body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1 1 auto}
.qz4n-date{font-size:12px;color:var(--qz4n-gold);letter-spacing:.5px;margin-bottom:6px}
.qz4n-news-card h3{font-size:16px;line-height:1.5;margin-bottom:8px}
.qz4n-news-card p{font-size:13px;color:var(--qz4n-muted);margin:0 0 12px}
.qz4n-news-card .qz4n-more{margin-top:auto;width:fit-content}
.qz4n-lic{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);padding:8px}
.qz4n-lic table{width:100%;border-collapse:collapse;font-size:14px}
.qz4n-lic th,.qz4n-lic td{padding:12px 14px;border-bottom:1px solid var(--qz4n-line);text-align:left;
  vertical-align:top}
.qz4n-lic th{width:170px;color:var(--qz4n-muted);font-weight:500;background:#fbfcf9}
.qz4n-lic tr:last-child th,.qz4n-lic tr:last-child td{border-bottom:0}
.qz4n-faq{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);overflow:hidden}
.qz4n-faq button{width:100%;text-align:left;background:#fff;border:0;border-bottom:1px solid var(--qz4n-line);
  padding:16px 18px;font-size:15px;color:var(--qz4n-ink);cursor:pointer;display:flex;
  justify-content:space-between;gap:12px;font-family:inherit}
.qz4n-faq button:hover{background:#fbfcf9}
.qz4n-faq button i{color:var(--qz4n-green);font-size:13px;font-style:normal;flex:0 0 auto}
.qz4n-faq .qz4n-ans{display:none;padding:0 18px 18px;font-size:14px;color:var(--qz4n-ink-2)}
.qz4n-faq .qz4n-ans.qz4n-open{display:block}
.qz4n-contact{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start}
.qz4n-info-list{list-style:none;padding:0;margin:0}
.qz4n-info-list li{padding:14px 0;border-bottom:1px dashed var(--qz4n-line);font-size:15px}
.qz4n-info-list li b{display:inline-block;min-width:88px;color:var(--qz4n-muted);font-weight:500}
.qz4n-note{background:var(--qz4n-green-3);border-left:3px solid var(--qz4n-green);
  padding:16px 18px;font-size:13px;color:var(--qz4n-ink-2);border-radius:4px}
.qz4n-crumb{font-size:13px;color:var(--qz4n-muted);padding:18px 0}
.qz4n-crumb a{color:var(--qz4n-muted)}
.qz4n-crumb a:hover{color:var(--qz4n-green)}
.qz4n-pagehead{background:#fff;border-bottom:1px solid var(--qz4n-line)}
.qz4n-pagehead .qz4n-wrap{padding-bottom:26px}
.qz4n-pagehead h1{font-size:28px;margin-bottom:8px}
.qz4n-pagehead p{color:var(--qz4n-muted);font-size:14px;margin:0;max-width:820px}
.qz4n-article{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  padding:34px 38px}
.qz4n-article h2{font-size:19px;margin-top:26px;color:var(--qz4n-green)}
.qz4n-article h2:first-child{margin-top:0}
.qz4n-article p{color:var(--qz4n-ink-2);font-size:15.5px}
.qz4n-article-meta{display:flex;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--qz4n-muted);
  border-bottom:1px solid var(--qz4n-line);padding-bottom:14px;margin-bottom:22px}
.qz4n-figure{margin:0 0 24px;border-radius:var(--qz4n-radius);overflow:hidden;border:1px solid var(--qz4n-line)}
.qz4n-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.qz4n-figure figcaption{font-size:12px;color:var(--qz4n-muted);padding:8px 12px;background:#fbfcf9}
.qz4n-side{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:36px;align-items:start}
.qz4n-aside{background:#fff;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);padding:20px}
.qz4n-aside h3{font-size:16px;margin-bottom:12px;color:var(--qz4n-green)}
.qz4n-aside ul{list-style:none;padding:0;margin:0}
.qz4n-aside li{border-bottom:1px dashed var(--qz4n-line);padding:9px 0;font-size:13px}
.qz4n-aside li:last-child{border-bottom:0}
.qz4n-aside li a{color:var(--qz4n-ink-2)}
.qz4n-aside li a:hover{color:var(--qz4n-green)}
.qz4n-spec table{width:100%;border-collapse:collapse;font-size:14px;background:#fff;
  border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);overflow:hidden}
.qz4n-spec th,.qz4n-spec td{padding:11px 14px;border-bottom:1px solid var(--qz4n-line);text-align:left}
.qz4n-spec th{width:140px;background:#fbfcf9;color:var(--qz4n-muted);font-weight:500}
.qz4n-spec tr:last-child td,.qz4n-spec tr:last-child th{border-bottom:0}
.qz4n-prodtop{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.qz4n-prodtop img{border-radius:var(--qz4n-radius);border:1px solid var(--qz4n-line);width:100%}
.qz4n-buybox{background:#fbfcf9;border:1px solid var(--qz4n-line);border-radius:var(--qz4n-radius);
  padding:18px 20px;margin-top:18px;font-size:13.5px;color:var(--qz4n-ink-2)}
.qz4n-buybox b{color:var(--qz4n-green)}
.qz4n-dirlist{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.qz4n-dirlist a{display:flex;gap:12px;align-items:baseline;background:#fff;border:1px solid var(--qz4n-line);
  border-radius:6px;padding:14px 16px;font-size:14px;color:var(--qz4n-ink-2)}
.qz4n-dirlist a:hover{border-color:var(--qz4n-green);color:var(--qz4n-green)}
.qz4n-dirlist a b{font-size:12px;color:var(--qz4n-gold);font-weight:600;flex:0 0 auto}
.qz4n-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.qz4n-step{background:#fff;border:1px solid var(--qz4n-line);padding:20px;border-radius:6px}
.qz4n-step b{display:block;color:var(--qz4n-gold);font-size:13px;letter-spacing:1px;margin-bottom:8px}
.qz4n-step h3{font-size:16px;margin-bottom:6px}
.qz4n-step p{font-size:13px;color:var(--qz4n-muted);margin:0}
.qz4n-cta{background:var(--qz4n-green);color:#fff;border-radius:var(--qz4n-radius);
  padding:34px 38px;display:flex;justify-content:space-between;gap:24px;align-items:center;flex-wrap:wrap}
.qz4n-cta h2{color:#fff;font-size:22px;margin-bottom:8px}
.qz4n-cta p{color:#cfe0d6;margin:0;font-size:14px}
.qz4n-footer{background:#0e2b21;color:#b9c8c0;padding:52px 0 26px;font-size:14px}
.qz4n-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.qz4n-footer h4{color:#fff;font-size:15px;margin-bottom:14px}
.qz4n-footer p{font-size:13px;color:#a9b8b0;line-height:1.8}
.qz4n-footer ul{list-style:none;padding:0;margin:0}
.qz4n-footer li{padding:5px 0;font-size:13px}
.qz4n-footer a{color:#b9c8c0}
.qz4n-footer a:hover{color:var(--qz4n-gold-2)}
.qz4n-copy{border-top:1px solid rgba(255,255,255,.1);margin-top:34px;padding-top:18px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12px;color:#8fa198}
.qz4n-totop{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;
  border:1px solid var(--qz4n-line);background:#fff;color:var(--qz4n-green);font-size:12px;
  cursor:pointer;display:none;box-shadow:var(--qz4n-shadow);font-family:inherit}
.qz4n-nf{max-width:560px;margin:0 auto;text-align:center;padding:80px 20px}
.qz4n-nf .qz4n-code{font-size:64px;letter-spacing:6px;color:var(--qz4n-gold);font-weight:700;
  line-height:1.1;margin-bottom:10px}
.qz4n-nf h1{font-size:24px;margin-bottom:12px}
.qz4n-nf p{color:var(--qz4n-muted);font-size:14px}
.qz4n-nf .qz4n-hero-acts{justify-content:center}
.qz4n-nf .qz4n-btn{background:var(--qz4n-green);color:#fff}
@media (max-width:1080px){
  .qz4n-about,.qz4n-contact,.qz4n-side,.qz4n-prodtop{grid-template-columns:1fr}
  .qz4n-grid{grid-template-columns:repeat(3,1fr)}
  .qz4n-footer-grid{grid-template-columns:repeat(2,1fr)}
  .qz4n-sec{padding:48px 0}
}
@media (max-width:860px){
  .qz4n-nav{display:none}
  .qz4n-burger{display:block}
  .qz4n-brand-name{font-size:15px;max-width:100%}
  .qz4n-promise .qz4n-wrap{grid-template-columns:repeat(2,1fr)}
  .qz4n-cats,.qz4n-svc{grid-template-columns:repeat(2,1fr)}
  .qz4n-grid{grid-template-columns:repeat(2,1fr)}
  .qz4n-news{grid-template-columns:repeat(2,1fr)}
  .qz4n-gallery{grid-template-columns:repeat(2,1fr)}
  .qz4n-steps{grid-template-columns:repeat(2,1fr)}
  .qz4n-slide{min-height:420px}
  .qz4n-slide-body h1,.qz4n-slide-body h2{font-size:26px}
  .qz4n-article{padding:24px 20px}
  .qz4n-lic th{width:112px}
}
@media (max-width:560px){
  body{font-size:15px}
  .qz4n-brand img{width:40px;height:40px;flex:0 0 40px}
  .qz4n-brand-sub{display:none}
  .qz4n-cats,.qz4n-svc,.qz4n-grid,.qz4n-news,.qz4n-gallery,.qz4n-steps,.qz4n-dirlist{grid-template-columns:1fr}
  .qz4n-sec{padding:38px 0}
  .qz4n-sec-head h2{font-size:22px}
  .qz4n-slide{min-height:360px}
  .qz4n-slide-body{padding:40px 0}
  .qz4n-slide-body h1,.qz4n-slide-body h2{font-size:22px}
  .qz4n-slide img{opacity:.5}
  .qz4n-stats{grid-template-columns:1fr}
  .qz4n-lic table{font-size:13px}
  .qz4n-lic th{width:96px;padding:10px}
  .qz4n-cta{padding:24px}
  .qz4n-footer-grid{grid-template-columns:1fr}
}