*{margin:0;padding:0;box-sizing:border-box}
:root{--kx-pri:#0f4c81;--kx-pri2:#0a3a63;--kx-acc:#d97706;--kx-bg:#f5f7fa;--kx-txt:#222;--kx-mut:#666;--kx-line:#e2e8f0}
html{scroll-behavior:smooth}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--kx-txt);background:#fff;line-height:1.7;font-size:15px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block;border:0}
ul{list-style:none}
.kx-wrap{max-width:1200px;margin:0 auto;padding:0 20px}

.kx-topbar{background:var(--kx-pri2);color:#cfe3f5;font-size:13px;padding:8px 0}
.kx-topbar .kx-wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

.kx-head{background:#fff;box-shadow:0 2px 8px rgba(0,0,0,.06);position:sticky;top:0;z-index:90}
.kx-head .kx-wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.kx-logo img{height:46px;width:auto}
.kx-nav>ul{display:flex;gap:6px}
.kx-nav>ul>li{position:relative}
.kx-nav>ul>li>a{display:block;padding:10px 18px;font-size:15px;font-weight:500;color:#333;border-radius:4px}
.kx-nav>ul>li>a:hover,.kx-nav>ul>li.kx-on>a{color:var(--kx-pri);background:#eaf2fa}
.kx-burger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px;background:none;border:0}
.kx-burger span{width:26px;height:3px;background:var(--kx-pri);border-radius:2px;transition:.3s}

.kx-hero{position:relative;overflow:hidden;height:520px;background:#0a3a63}
.kx-hero .kx-slide{position:absolute;inset:0;opacity:0;transition:opacity 1.2s}
.kx-hero .kx-slide.kx-act{opacity:1}
.kx-hero .kx-slide img{width:100%;height:100%;object-fit:cover}
.kx-hero .kx-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,58,99,.85) 0%,rgba(10,58,99,.4) 60%,rgba(10,58,99,.1) 100%)}
.kx-hero .kx-cap{position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);color:#fff}
.kx-hero .kx-cap h1{font-size:40px;line-height:1.3;margin-bottom:16px;font-weight:700}
.kx-hero .kx-cap p{font-size:18px;opacity:.92;margin-bottom:26px;max-width:560px}
.kx-hero .kx-cap a{display:inline-block;padding:12px 32px;background:var(--kx-acc);color:#fff;border-radius:3px;font-size:15px;letter-spacing:1px}
.kx-dots{position:absolute;bottom:24px;left:0;right:0;display:flex;justify-content:center;gap:10px;z-index:5}
.kx-dots i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer}
.kx-dots i.kx-act{background:#fff}

.kx-sec{padding:64px 0}
.kx-sec:nth-child(even){background:var(--kx-bg)}
.kx-sec-t{text-align:center;margin-bottom:40px}
.kx-sec-t h2{font-size:30px;color:var(--kx-pri);font-weight:700;letter-spacing:2px}
.kx-sec-t .kx-en{font-size:13px;color:#999;letter-spacing:3px;margin-top:6px;text-transform:uppercase}
.kx-sec-t .kx-line{width:60px;height:3px;background:var(--kx-acc);margin:14px auto 0}

.kx-about{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.kx-about .kx-txt h3{font-size:22px;color:var(--kx-pri);margin-bottom:16px}
.kx-about .kx-txt p{color:#444;margin-bottom:12px;text-indent:2em}
.kx-about .kx-img img{border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.12)}
.kx-about .kx-stats{display:flex;gap:30px;margin-top:22px}
.kx-about .kx-stats div b{font-size:28px;color:var(--kx-pri);display:block}
.kx-about .kx-stats div span{font-size:13px;color:#888}

.kx-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kx-card{background:#fff;border:1px solid var(--kx-line);border-radius:6px;overflow:hidden;transition:.3s}
.kx-card:hover{transform:translateY(-4px);box-shadow:0 10px 24px rgba(15,76,129,.15)}
.kx-card .kx-thumb{height:190px;overflow:hidden;background:#eaf2fa}
.kx-card .kx-thumb img{width:100%;height:100%;object-fit:cover;transition:.5s}
.kx-card:hover .kx-thumb img{transform:scale(1.06)}
.kx-card .kx-bd{padding:16px}
.kx-card .kx-bd h3{font-size:16px;color:#222;margin-bottom:8px}
.kx-card .kx-bd p{font-size:13px;color:#777;line-height:1.6}
.kx-card .kx-bd a{display:inline-block;margin-top:10px;color:var(--kx-pri);font-size:13px}

.kx-adv{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kx-adv .kx-it{background:#fff;padding:28px 20px;border-radius:6px;text-align:center;border-top:3px solid var(--kx-pri)}
.kx-adv .kx-it .kx-ic{width:52px;height:52px;margin:0 auto 14px}
.kx-adv .kx-it h4{font-size:17px;color:var(--kx-pri);margin-bottom:8px}
.kx-adv .kx-it p{font-size:13px;color:#777}

.kx-news{display:grid;grid-template-columns:1.2fr 1fr;gap:30px}
.kx-news .kx-feat{position:relative;border-radius:6px;overflow:hidden;height:380px}
.kx-news .kx-feat img{width:100%;height:100%;object-fit:cover}
.kx-news .kx-feat .kx-ov{position:absolute;left:0;right:0;bottom:0;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff;padding:60px 20px 18px}
.kx-news .kx-feat .kx-ov h3{font-size:20px;margin-bottom:6px}
.kx-news .kx-feat .kx-ov span{font-size:13px;opacity:.8}
.kx-list li{display:flex;justify-content:space-between;align-items:center;padding:14px 4px;border-bottom:1px dashed var(--kx-line)}
.kx-list li a{flex:1;color:#333;font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;margin-right:14px}
.kx-list li a:hover{color:var(--kx-pri)}
.kx-list li span{color:#999;font-size:13px}

.kx-cta{background:linear-gradient(90deg,var(--kx-pri),var(--kx-pri2));color:#fff;padding:36px 0}
.kx-cta .kx-wrap{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px}
.kx-cta h3{font-size:22px}
.kx-cta p{opacity:.85;font-size:14px;margin-top:4px}
.kx-cta a{background:var(--kx-acc);padding:12px 28px;border-radius:3px;color:#fff;font-size:15px}

.kx-foot{background:#0a2540;color:#9fb3c8;padding:50px 0 20px;font-size:13.5px}
.kx-foot .kx-g{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;margin-bottom:30px}
.kx-foot h4{color:#fff;font-size:15px;margin-bottom:14px}
.kx-foot li{margin-bottom:8px}
.kx-foot a:hover{color:#fff}
.kx-foot .kx-b{border-top:1px solid #1d3a5c;padding-top:18px;text-align:center;font-size:12.5px;color:#6b8299}

.kx-pagehead{background:linear-gradient(120deg,var(--kx-pri),var(--kx-pri2));color:#fff;padding:46px 0}
.kx-pagehead h1{font-size:28px;margin-bottom:6px}
.kx-pagehead p{opacity:.8;font-size:14px}
.kx-crumb{font-size:13px;opacity:.75;margin-top:10px}
.kx-crumb a{color:#fff;text-decoration:underline}

.kx-prod-detail{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;margin-top:30px}
.kx-prod-detail .kx-img img{border-radius:6px;box-shadow:0 6px 18px rgba(0,0,0,.1)}
.kx-prod-detail h2{font-size:24px;color:var(--kx-pri);margin-bottom:14px}
.kx-prod-detail .kx-tags{margin-bottom:16px}
.kx-prod-detail .kx-tags span{display:inline-block;background:#eaf2fa;color:var(--kx-pri);padding:3px 12px;border-radius:20px;font-size:12.5px;margin-right:8px}
.kx-prod-detail table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14px}
.kx-prod-detail th,.kx-prod-detail td{border:1px solid var(--kx-line);padding:9px 12px;text-align:left}
.kx-prod-detail th{background:#f0f5fb;width:140px;color:#444;font-weight:500}

.kx-art{max-width:880px;margin:0 auto;padding:30px 0}
.kx-art .kx-meta{color:#999;font-size:13px;margin-bottom:20px;padding-bottom:14px;border-bottom:1px solid var(--kx-line)}
.kx-art img{border-radius:6px;margin:18px 0}
.kx-art p{margin-bottom:14px;text-indent:2em;color:#333}
.kx-art h3{color:var(--kx-pri);margin:22px 0 10px;font-size:19px}

.kx-contact{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.kx-contact .kx-box{background:var(--kx-bg);padding:28px;border-radius:6px}
.kx-contact .kx-box h3{color:var(--kx-pri);margin-bottom:16px;font-size:18px}
.kx-contact .kx-box p{margin-bottom:10px;color:#444}

.kx-404{text-align:center;padding:90px 20px}
.kx-404 .kx-n{font-size:120px;font-weight:800;color:var(--kx-pri);line-height:1}
.kx-404 h1{font-size:24px;margin:14px 0 10px;color:#333}
.kx-404 p{color:#888;margin-bottom:24px}
.kx-404 a{display:inline-block;padding:12px 32px;background:var(--kx-pri);color:#fff;border-radius:3px}

@media (max-width:900px){
  .kx-nav{position:fixed;top:78px;left:0;right:0;background:#fff;display:none;box-shadow:0 8px 16px rgba(0,0,0,.08)}
  .kx-nav.kx-open{display:block}
  .kx-nav>ul{flex-direction:column;padding:10px 0}
  .kx-nav>ul>li>a{padding:13px 22px}
  .kx-burger{display:flex}
  .kx-hero{height:380px}
  .kx-hero .kx-cap h2{font-size:26px}
  .kx-hero .kx-cap p{font-size:15px}
  .kx-grid{grid-template-columns:repeat(2,1fr)}
  .kx-adv{grid-template-columns:repeat(2,1fr)}
  .kx-about,.kx-news,.kx-prod-detail,.kx-contact{grid-template-columns:1fr}
  .kx-foot .kx-g{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .kx-grid{grid-template-columns:1fr}
  .kx-adv{grid-template-columns:1fr}
  .kx-hero{height:300px}
  .kx-hero .kx-cap h2{font-size:22px}
  .kx-foot .kx-g{grid-template-columns:1fr}
}