*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#263238;background:#fff;line-height:1.7}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}
.kln-wrap{max-width:1200px;margin:0 auto;padding:0 20px}

.kln-topbar{background:#0a3d91;color:#cfe0ff;font-size:13px;padding:6px 0}
.kln-topbar .kln-wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
.kln-topbar b{color:#fff}

.kln-nav{background:#fff;box-shadow:0 2px 10px rgba(0,0,0,.06);position:sticky;top:0;z-index:100}
.kln-nav .kln-wrap{display:flex;align-items:center;justify-content:space-between;height:78px}
.kln-logo{display:flex;align-items:center;gap:12px}
.kln-logo img{height:48px;width:auto}
.kln-logo .kln-tt{font-size:18px;font-weight:700;color:#0a3d91;line-height:1.2}
.kln-logo .kln-en{font-size:11px;color:#8aa0c0;letter-spacing:1px}
.kln-menu{display:flex;gap:6px}
.kln-menu a{padding:10px 18px;font-size:15px;color:#334155;border-radius:4px;font-weight:500}
.kln-menu a:hover,.kln-menu a.kln-on{color:#1466d4;background:#e8f1fc}
.kln-burger{display:none;width:32px;height:24px;cursor:pointer;background:none;border:none;position:relative}
.kln-burger:before,.kln-burger:after,.kln-burger span{content:"";position:absolute;left:0;width:32px;height:3px;background:#0a3d91;border-radius:2px}
.kln-burger:before{top:2px}
.kln-burger span{top:10.5px}
.kln-burger:after{top:19px}

.kln-banner{position:relative;height:480px;overflow:hidden}
.kln-banner img{width:100%;height:100%;object-fit:cover}
.kln-banner .kln-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,35,86,.88) 0%,rgba(10,61,145,.6) 60%,rgba(20,102,212,.3) 100%)}
.kln-banner .kln-cap{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:100%;max-width:1200px;padding:0 20px;color:#fff}
.kln-banner h1{font-size:42px;line-height:1.3;margin-bottom:16px;font-weight:700}
.kln-banner p{font-size:18px;opacity:.92;margin-bottom:28px;max-width:640px}
.kln-btn{display:inline-block;padding:12px 34px;background:#1466d4;color:#fff;border-radius:3px;font-size:15px;margin-right:12px;border:1px solid #1466d4}
.kln-btn:hover{background:#0a3d91;border-color:#0a3d91}
.kln-btn.kln-o{background:transparent;border-color:#fff}
.kln-btn.kln-o:hover{background:#fff;color:#0a3d91}

.kln-sec{padding:70px 0}
.kln-sec.kln-g{background:#f5f8fc}
.kln-shead{text-align:center;margin-bottom:44px}
.kln-shead h2{font-size:30px;color:#0a3d91;display:inline-block;position:relative;padding-bottom:14px}
.kln-shead h2:after{content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);width:56px;height:3px;background:#1466d4}
.kln-shead p{color:#7890a8;margin-top:10px;font-size:14px}

.kln-svc{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.kln-svc a{background:#fff;padding:30px 24px;border-radius:6px;box-shadow:0 2px 12px rgba(10,61,145,.06);transition:.25s;border-top:3px solid transparent}
.kln-svc a:hover{border-top-color:#1466d4;transform:translateY(-4px);box-shadow:0 8px 24px rgba(10,61,145,.12)}
.kln-svc h3{font-size:18px;color:#0a3d91;margin-bottom:8px}
.kln-svc p{font-size:13.5px;color:#607d9a}

.kln-prod{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.kln-pcard{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 2px 12px rgba(10,61,145,.08)}
.kln-pcard .kln-pimg{height:190px;overflow:hidden;background:#e8f1fc}
.kln-pcard .kln-pimg img{width:100%;height:100%;object-fit:cover;transition:.3s}
.kln-pcard:hover .kln-pimg img{transform:scale(1.06)}
.kln-pcard .kln-pbody{padding:18px}
.kln-pcard h3{font-size:16px;color:#0a3d91;margin-bottom:6px}
.kln-pcard p{font-size:13px;color:#7890a8;line-height:1.6}

.kln-stat{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;text-align:center}
.kln-stat .kln-si{padding:30px 10px;background:#fff;border-radius:6px;box-shadow:0 2px 12px rgba(10,61,145,.06)}
.kln-stat b{display:block;font-size:38px;color:#1466d4;font-weight:700}
.kln-stat span{font-size:14px;color:#607d9a}

.kln-case{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kln-ccard{position:relative;height:230px;overflow:hidden;border-radius:6px}
.kln-ccard img{width:100%;height:100%;object-fit:cover;transition:.3s}
.kln-ccard:hover img{transform:scale(1.08)}
.kln-ccard .kln-ccap{position:absolute;left:0;right:0;bottom:0;padding:30px 16px 14px;background:linear-gradient(transparent,rgba(6,35,86,.9));color:#fff;font-size:15px}

.kln-news{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:start}
.kln-nfeat{display:flex;gap:18px;background:#fff;padding:18px;border-radius:6px;box-shadow:0 2px 10px rgba(10,61,145,.06)}
.kln-nfeat img{width:200px;height:140px;object-fit:cover;border-radius:4px;flex-shrink:0}
.kln-nfeat h3{font-size:17px;color:#0a3d91;margin-bottom:6px}
.kln-nfeat .kln-date{font-size:12px;color:#90a4b8;margin-bottom:6px}
.kln-nfeat p{font-size:13px;color:#607d9a}
.kln-nlist li{padding:14px 0;border-bottom:1px dashed #dde6f0;display:flex;justify-content:space-between;gap:10px}
.kln-nlist li a{color:#334155;font-size:14.5px}
.kln-nlist li a:hover{color:#1466d4}
.kln-nlist li span{color:#90a4b8;font-size:13px;white-space:nowrap}

.kln-about{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.kln-about img{border-radius:6px;height:320px;width:100%;object-fit:cover}
.kln-about h3{font-size:22px;color:#0a3d91;margin-bottom:16px}
.kln-about p{color:#546e7a;margin-bottom:14px;font-size:14.5px}

.kln-cta{background:linear-gradient(120deg,#0a3d91,#1466d4);color:#fff;text-align:center;padding:50px 20px}
.kln-cta h2{font-size:28px;margin-bottom:10px}
.kln-cta p{opacity:.9;margin-bottom:22px}

.kln-foot{background:#08275c;color:#9fb3d1;padding:50px 0 20px;font-size:14px}
.kln-foot .kln-fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:30px;margin-bottom:30px}
.kln-foot h4{color:#fff;font-size:16px;margin-bottom:16px}
.kln-foot li{margin-bottom:8px}
.kln-foot a:hover{color:#fff}
.kln-foot .kln-copy{border-top:1px solid #1c3f7a;padding-top:18px;text-align:center;font-size:12.5px;color:#6b82ad}
.kln-foot b{color:#ffd54f}

.kln-pagehead{background:linear-gradient(120deg,#0a3d91,#1466d4);color:#fff;padding:50px 0;text-align:center}
.kln-pagehead h1{font-size:32px;margin-bottom:8px}
.kln-pagehead p{opacity:.85;font-size:14px}

.kln-detail{display:grid;grid-template-columns:1fr;gap:0}
.kln-article{max-width:860px;margin:0 auto;padding:40px 20px}
.kln-article img.kln-cover{width:100%;height:360px;object-fit:cover;border-radius:6px;margin-bottom:24px}
.kln-article .kln-meta{color:#90a4b8;font-size:13px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid #eef3f9}
.kln-article h2{font-size:26px;color:#0a3d91;margin-bottom:14px}
.kln-article p{margin-bottom:16px;color:#37474f;font-size:15.5px;line-height:1.9}
.kln-article h3{font-size:18px;color:#0a3d91;margin:24px 0 10px}
.kln-back{display:inline-block;margin-top:30px;color:#1466d4;font-size:14px}

.kln-pg{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.kln-pg .kln-article{padding:0}

.kln-tbl{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
.kln-tbl th,.kln-tbl td{border:1px solid #dde6f0;padding:10px 14px;text-align:left}
.kln-tbl th{background:#e8f1fc;color:#0a3d91;width:38%}

.kln-404{text-align:center;padding:100px 20px}
.kln-404 b{font-size:120px;color:#1466d4;display:block;line-height:1}
.kln-404 h1{font-size:26px;color:#0a3d91;margin:16px 0}
.kln-404 p{color:#607d9a;margin-bottom:26px}

.kln-contact{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.kln-cbox{background:#fff;padding:26px;border-radius:6px;box-shadow:0 2px 12px rgba(10,61,145,.06)}
.kln-cbox h3{color:#0a3d91;margin-bottom:14px;font-size:18px}
.kln-cbox p{margin-bottom:10px;color:#455a64;font-size:14.5px}
.kln-cbox b{color:#1466d4;font-size:20px}

@media(max-width:900px){
 .kln-menu{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;padding:10px 20px;box-shadow:0 8px 16px rgba(0,0,0,.1)}
 .kln-menu.kln-open{display:flex}
 .kln-burger{display:block}
 .kln-banner{height:380px}
 .kln-banner h1{font-size:28px}
 .kln-banner p{font-size:15px}
 .kln-svc,.kln-prod,.kln-case,.kln-stat{grid-template-columns:repeat(2,1fr)}
 .kln-news,.kln-about,.kln-contact,.kln-foot .kln-fg{grid-template-columns:1fr}
 .kln-nfeat{flex-direction:column}
 .kln-nfeat img{width:100%;height:180px}
 .kln-article img.kln-cover{height:220px}
}
@media(max-width:560px){
 .kln-svc,.kln-prod,.kln-case,.kln-stat{grid-template-columns:1fr}
 .kln-banner{height:340px}
}