:root{
  --fx-pri:#0b3d2e;
  --fx-pri-d:#072a20;
  --fx-gold:#c8a45c;
  --fx-bg:#f7f5f0;
  --fx-bg2:#ffffff;
  --fx-txt:#1d2530;
  --fx-mut:#6b7280;
  --fx-line:#e5e1d8;
  --fx-w:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:var(--fx-txt);background:var(--fx-bg);line-height:1.7;font-size:15px}
a{color:var(--fx-pri);text-decoration:none}
a:hover{color:var(--fx-gold)}
img{max-width:100%;display:block}
.container{max-width:var(--fx-w);margin:0 auto;padding:0 20px}

.fx-topbar{background:var(--fx-pri-d);color:#d8e0db;font-size:12px;padding:6px 0}
.fx-topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.fx-topbar a{color:#d8e0db}

.fx-nav{background:var(--fx-bg2);border-bottom:1px solid var(--fx-line);position:sticky;top:0;z-index:50;box-shadow:0 1px 6px rgba(0,0,0,.04)}
.fx-nav .container{display:flex;align-items:center;justify-content:space-between;height:76px}
.fx-brand{display:flex;align-items:center;gap:12px}
.fx-brand img{height:46px;width:46px;object-fit:contain}
.fx-brand-txt b{font-size:18px;color:var(--fx-pri);display:block;letter-spacing:1px}
.fx-brand-txt span{font-size:11px;color:var(--fx-mut)}
.fx-menu{display:flex;list-style:none;gap:4px;align-items:center}
.fx-menu a{display:block;padding:10px 16px;font-size:14px;color:var(--fx-txt);border-radius:4px;font-weight:500}
.fx-menu a:hover,.fx-menu a.active{color:var(--fx-pri);background:rgba(11,61,46,.06)}
.fx-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.fx-burger span{width:24px;height:2px;background:var(--fx-pri);display:block}

.fx-hero{background:linear-gradient(135deg,var(--fx-pri-d) 0%,var(--fx-pri) 60%,#135843 100%);color:#fff;padding:70px 0 90px;position:relative;overflow:hidden}
.fx-hero:after{content:"";position:absolute;right:-100px;top:-100px;width:380px;height:380px;border-radius:50%;background:radial-gradient(circle,rgba(200,164,92,.25),transparent 70%)}
.fx-hero h1{font-size:38px;line-height:1.3;margin-bottom:18px;font-weight:700}
.fx-hero h1 em{color:var(--fx-gold);font-style:normal}
.fx-hero p{font-size:16px;max-width:620px;color:#cfe0d8;margin-bottom:28px}
.fx-hero-cta{display:inline-block;background:var(--fx-gold);color:#1a1a1a;padding:13px 32px;border-radius:30px;font-weight:600;letter-spacing:1px}
.fx-hero-cta:hover{background:#d8b876;color:#1a1a1a}

.fx-sec{padding:64px 0}
.fx-sec-t{text-align:center;margin-bottom:40px}
.fx-sec-t h2{font-size:28px;color:var(--fx-pri);margin-bottom:10px}
.fx-sec-t p{color:var(--fx-mut);font-size:14px}
.fx-sec-t h2:before{content:"";display:block;width:48px;height:3px;background:var(--fx-gold);margin:0 auto 14px;border-radius:2px}

.fx-grid{display:grid;gap:24px}
.fx-grid.c4{grid-template-columns:repeat(4,1fr)}
.fx-grid.c3{grid-template-columns:repeat(3,1fr)}
.fx-grid.c2{grid-template-columns:repeat(2,1fr)}

.fx-card{background:var(--fx-bg2);border:1px solid var(--fx-line);border-radius:10px;overflow:hidden;transition:.25s}
.fx-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px rgba(11,61,46,.1)}
.fx-card img{width:100%;height:220px;object-fit:cover;background:#eee}
.fx-card-b{padding:18px}
.fx-card-b h3{font-size:16px;color:var(--fx-pri);margin-bottom:6px}
.fx-card-b p{font-size:13px;color:var(--fx-mut)}
.fx-card-b .fx-price{color:var(--fx-gold);font-weight:700;margin-top:8px;font-size:16px}

.fx-tech{background:var(--fx-pri);color:#fff}
.fx-tech .fx-sec-t h2{color:#fff}
.fx-tech .fx-sec-t p{color:#bcd0c6}
.fx-tech .fx-grid.c3>div{background:rgba(255,255,255,.06);padding:26px;border-radius:10px;border:1px solid rgba(255,255,255,.08)}
.fx-tech h3{color:var(--fx-gold);font-size:17px;margin-bottom:10px}
.fx-tech p{font-size:13px;color:#cfe0d8}

.fx-group{background:var(--fx-bg2)}
.fx-group-item{display:flex;gap:20px;align-items:flex-start;padding:20px;border-bottom:1px dashed var(--fx-line)}
.fx-group-item:last-child{border-bottom:none}
.fx-group-item .ic{flex:0 0 46px;height:46px;border-radius:50%;background:rgba(11,61,46,.08);display:flex;align-items:center;justify-content:center;color:var(--fx-pri);font-weight:700}
.fx-group-item h4{color:var(--fx-pri);margin-bottom:4px;font-size:15px}
.fx-group-item p{font-size:13px;color:var(--fx-mut)}

.fx-news{display:grid;grid-template-columns:2fr 1fr;gap:30px}
.fx-news-main img{width:100%;height:340px;object-fit:cover;border-radius:10px;margin-bottom:16px}
.fx-news-list{list-style:none}
.fx-news-list li{padding:14px 0;border-bottom:1px solid var(--fx-line)}
.fx-news-list li a{font-size:14px;color:var(--fx-txt)}
.fx-news-list li a:hover{color:var(--fx-pri)}
.fx-news-list .dt{font-size:12px;color:var(--fx-mut);display:block;margin-top:4px}

.fx-foot{background:var(--fx-pri-d);color:#a8b8af;padding:50px 0 20px;margin-top:40px}
.fx-foot .grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:30px;margin-bottom:30px}
.fx-foot h4{color:#fff;font-size:15px;margin-bottom:14px}
.fx-foot ul{list-style:none}
.fx-foot li{margin-bottom:8px;font-size:13px}
.fx-foot a{color:#a8b8af}
.fx-foot a:hover{color:var(--fx-gold)}
.fx-copy{border-top:1px solid rgba(255,255,255,.08);padding-top:18px;text-align:center;font-size:12px;color:#7a8a82}

.fx-bread{font-size:13px;color:var(--fx-mut);padding:18px 0}
.fx-bread a{color:var(--fx-mut)}
.fx-bread a:hover{color:var(--fx-pri)}

.fx-article{background:var(--fx-bg2);padding:36px;border-radius:10px;border:1px solid var(--fx-line)}
.fx-article h1{font-size:26px;color:var(--fx-pri);margin-bottom:14px;line-height:1.4}
.fx-article .meta{font-size:12px;color:var(--fx-mut);margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--fx-line)}
.fx-article img.hero{width:100%;max-height:420px;object-fit:cover;border-radius:8px;margin:18px 0}
.fx-article p{margin-bottom:14px;font-size:15px}
.fx-article h3{color:var(--fx-pri);margin:22px 0 10px;font-size:18px}

.fx-pd{display:grid;grid-template-columns:1fr 1fr;gap:36px;background:var(--fx-bg2);padding:36px;border-radius:10px;border:1px solid var(--fx-line)}
.fx-pd img{width:100%;border-radius:8px}
.fx-pd h1{font-size:26px;color:var(--fx-pri);margin-bottom:10px}
.fx-pd .price{color:var(--fx-gold);font-size:26px;font-weight:700;margin:14px 0}
.fx-spec{width:100%;border-collapse:collapse;margin:18px 0}
.fx-spec th,.fx-spec td{padding:10px 12px;border:1px solid var(--fx-line);font-size:13px;text-align:left}
.fx-spec th{background:var(--fx-bg);width:120px;color:var(--fx-pri)}

.fx-tag{display:inline-block;background:rgba(11,61,46,.08);color:var(--fx-pri);padding:4px 12px;border-radius:20px;font-size:12px;margin-right:6px;margin-bottom:6px}

.fx-404{text-align:center;padding:100px 20px}
.fx-404 b{font-size:120px;color:var(--fx-gold);display:block;line-height:1}
.fx-404 h1{font-size:24px;color:var(--fx-pri);margin:20px 0}

.fx-form input,.fx-form textarea{width:100%;padding:12px;border:1px solid var(--fx-line);border-radius:6px;font-family:inherit;margin-bottom:14px;background:#fff}
.fx-form button{background:var(--fx-pri);color:#fff;border:none;padding:12px 30px;border-radius:6px;cursor:pointer;font-size:14px}

@media(max-width:900px){
  .fx-grid.c4{grid-template-columns:repeat(2,1fr)}
  .fx-grid.c3{grid-template-columns:repeat(2,1fr)}
  .fx-news{grid-template-columns:1fr}
  .fx-foot .grid{grid-template-columns:1fr 1fr}
  .fx-pd{grid-template-columns:1fr}
  .fx-menu{display:none;position:absolute;top:76px;left:0;right:0;background:#fff;flex-direction:column;padding:10px;border-bottom:1px solid var(--fx-line)}
  .fx-menu.open{display:flex}
  .fx-burger{display:flex}
  .fx-hero h1{font-size:28px}
}
@media(max-width:560px){
  .fx-grid.c4,.fx-grid.c3,.fx-grid.c2{grid-template-columns:1fr}
  .fx-foot .grid{grid-template-columns:1fr}
  .fx-sec{padding:44px 0}
  .fx-hero{padding:50px 0 60px}
}