*{margin:0;padding:0;box-sizing:border-box}
:root{--qk-p:#0f2c5c;--qk-a:#e87722;--qk-l:#f5f7fa;--qk-t:#2b3445;--qk-g:#8a93a6;--qk-w:#fff}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;color:var(--qk-t);line-height:1.7;background:#fff;font-size:15px}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.qk-topbar{background:var(--qk-p);color:#cdd6e5;font-size:13px;padding:6px 0}
.qk-topbar .container{display:flex;justify-content:space-between;flex-wrap:wrap}
.qk-header{background:#fff;box-shadow:0 2px 12px rgba(15,44,92,.08);position:sticky;top:0;z-index:100}
.qk-nav{display:flex;align-items:center;justify-content:space-between;height:78px}
.qk-logo{display:flex;align-items:center;gap:10px}
.qk-logo img{height:46px;width:auto}
.qk-logo span{font-size:18px;font-weight:700;color:var(--qk-p);letter-spacing:1px}
.qk-menu{display:flex;list-style:none;gap:8px}
.qk-menu>li{position:relative}
.qk-menu>li>a{display:block;padding:10px 18px;font-size:15px;color:var(--qk-t);font-weight:500;border-radius:4px;transition:.2s}
.qk-menu>li>a:hover,.qk-menu>li.qk-on>a{color:var(--qk-a)}
.qk-sub{position:absolute;top:100%;left:0;background:#fff;min-width:180px;box-shadow:0 8px 24px rgba(0,0,0,.12);border-radius:4px;list-style:none;display:none;padding:6px 0}
.qk-menu>li:hover .qk-sub{display:block}
.qk-sub li a{display:block;padding:9px 18px;font-size:14px;color:var(--qk-t)}
.qk-sub li a:hover{background:var(--qk-l);color:var(--qk-a)}
.qk-burger{display:none;font-size:26px;cursor:pointer;color:var(--qk-p);background:none;border:none}
.qk-hero{position:relative;height:520px;overflow:hidden}
.qk-hero img{width:100%;height:100%;object-fit:cover}
.qk-hero-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,44,92,.82) 0%,rgba(15,44,92,.45) 60%,rgba(15,44,92,.15) 100%)}
.qk-hero-txt{position:absolute;left:0;top:50%;transform:translateY(-50%);color:#fff}
.qk-hero-txt h1{font-size:42px;line-height:1.25;margin-bottom:18px;font-weight:700}
.qk-hero-txt p{font-size:17px;color:#e0e6f0;margin-bottom:28px;max-width:560px}
.qk-btn{display:inline-block;padding:12px 32px;background:var(--qk-a);color:#fff;border-radius:3px;font-size:15px;transition:.25s;border:none;cursor:pointer}
.qk-btn:hover{background:#c96518}
.qk-btn.o{background:transparent;border:1px solid #fff;margin-left:12px}
.qk-sec{padding:70px 0}
.qk-sec-t{text-align:center;margin-bottom:46px}
.qk-sec-t h2{font-size:30px;color:var(--qk-p);margin-bottom:12px}
.qk-sec-t p{color:var(--qk-g);font-size:15px}
.qk-grid5{display:grid;grid-template-columns:repeat(5,1fr);gap:22px}
.qk-card{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 4px 18px rgba(15,44,92,.08);transition:.25s;border:1px solid #eef2f7}
.qk-card:hover{transform:translateY(-6px);box-shadow:0 12px 28px rgba(15,44,92,.15)}
.qk-card img{height:170px;width:100%;object-fit:cover}
.qk-card-b{padding:20px}
.qk-card-b h3{font-size:17px;color:var(--qk-p);margin-bottom:8px}
.qk-card-b p{font-size:13.5px;color:var(--qk-g);line-height:1.65}
.qk-card-b a{color:var(--qk-a);font-size:13px;margin-top:10px;display:inline-block}
.qk-about{background:var(--qk-l)}
.qk-ab-wrap{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.qk-ab-wrap img{border-radius:6px;height:380px;width:100%;object-fit:cover}
.qk-ab-wrap h2{font-size:28px;color:var(--qk-p);margin-bottom:18px}
.qk-ab-wrap p{color:#4a5568;margin-bottom:14px;font-size:15px}
.qk-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:26px}
.qk-stat{text-align:center;padding:18px 8px;background:#fff;border-radius:6px;border-top:3px solid var(--qk-a)}
.qk-stat b{display:block;font-size:28px;color:var(--qk-p)}
.qk-stat span{font-size:13px;color:var(--qk-g)}
.qk-adv{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.qk-adv-i{padding:28px 22px;background:#fff;border-radius:6px;text-align:center;border:1px solid #eef2f7}
.qk-adv-i .qk-ic{width:56px;height:56px;margin:0 auto 14px;background:var(--qk-l);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--qk-p);font-size:22px;font-weight:700}
.qk-adv-i h4{font-size:16px;color:var(--qk-p);margin-bottom:8px}
.qk-adv-i p{font-size:13px;color:var(--qk-g)}
.qk-news-wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:30px}
.qk-news-feat{position:relative;border-radius:6px;overflow:hidden;height:380px}
.qk-news-feat img{width:100%;height:100%;object-fit:cover}
.qk-news-feat .qk-nf{position:absolute;left:0;right:0;bottom:0;padding:24px;background:linear-gradient(transparent,rgba(0,0,0,.8));color:#fff}
.qk-news-feat .qk-nf h3{font-size:20px;margin-bottom:6px}
.qk-news-list{list-style:none}
.qk-news-list li{padding:14px 0;border-bottom:1px dashed #e2e8f0;display:flex;justify-content:space-between;gap:14px}
.qk-news-list li a{flex:1;font-size:14.5px;color:var(--qk-t)}
.qk-news-list li a:hover{color:var(--qk-a)}
.qk-news-list li span{color:var(--qk-g);font-size:13px;white-space:nowrap}
.qk-cta{background:linear-gradient(120deg,var(--qk-p),#1a4a8a);color:#fff;padding:48px 0;text-align:center}
.qk-cta h2{font-size:26px;margin-bottom:10px}
.qk-cta p{color:#cdd6e5;margin-bottom:22px}
.qk-bread{background:var(--qk-l);padding:14px 0;font-size:13.5px;color:var(--qk-g)}
.qk-bread a{color:var(--qk-p)}
.qk-page{padding:50px 0}
.qk-page h1{font-size:28px;color:var(--qk-p);margin-bottom:22px;padding-bottom:14px;border-bottom:2px solid var(--qk-a);display:inline-block}
.qk-pg-img{width:100%;height:340px;object-fit:cover;border-radius:6px;margin-bottom:28px}
.qk-pg-txt p{margin-bottom:14px;color:#3d4759}
.qk-svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;margin-top:26px}
.qk-svc-item{padding:22px;background:var(--qk-l);border-radius:6px;border-left:4px solid var(--qk-a)}
.qk-svc-item h4{color:var(--qk-p);margin-bottom:8px;font-size:16px}
.qk-svc-item p{font-size:14px;color:#4a5568}
.qk-news-layout{display:grid;grid-template-columns:1fr 3fr;gap:34px}
.qk-side{background:var(--qk-l);padding:24px;border-radius:6px;align-self:start}
.qk-side h4{color:var(--qk-p);margin-bottom:14px;font-size:17px;padding-bottom:10px;border-bottom:2px solid var(--qk-a)}
.qk-side ul{list-style:none}
.qk-side ul li{padding:9px 0;border-bottom:1px dashed #dde3ec;font-size:14px}
.qk-side ul li a:hover{color:var(--qk-a)}
.qk-nlist{list-style:none}
.qk-nlist li{display:flex;gap:20px;padding:20px 0;border-bottom:1px solid #eef2f7}
.qk-nlist li img{width:220px;height:140px;object-fit:cover;border-radius:4px;flex-shrink:0}
.qk-nlist h3{font-size:18px;color:var(--qk-p);margin-bottom:8px}
.qk-nlist h3 a:hover{color:var(--qk-a)}
.qk-nlist .qk-meta{font-size:13px;color:var(--qk-g);margin-bottom:8px}
.qk-nlist p{font-size:14px;color:#4a5568}
.qk-detail h1{font-size:26px;line-height:1.4}
.qk-detail .qk-meta{color:var(--qk-g);font-size:13px;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid #eef2f7}
.qk-detail img{width:100%;max-height:420px;object-fit:cover;border-radius:6px;margin:18px 0}
.qk-detail p{margin-bottom:14px;color:#3d4759;font-size:15.5px;line-height:1.9}
.qk-pn{display:flex;justify-content:space-between;margin-top:40px;padding-top:20px;border-top:1px solid #eef2f7;font-size:14px}
.qk-contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px;margin-top:20px}
.qk-contact-info{background:var(--qk-l);padding:30px;border-radius:6px}
.qk-contact-info p{margin-bottom:14px;font-size:15px}
.qk-contact-info b{color:var(--qk-p);display:inline-block;width:90px}
.qk-form input,.qk-form textarea{width:100%;padding:12px 14px;border:1px solid #dde3ec;border-radius:4px;margin-bottom:14px;font-size:14px;font-family:inherit}
.qk-form textarea{height:120px;resize:vertical}
.qk-404{text-align:center;padding:100px 20px}
.qk-404 h1{font-size:100px;color:var(--qk-p);line-height:1;margin-bottom:10px}
.qk-404 p{color:var(--qk-g);margin-bottom:24px;font-size:16px}
.qk-footer{background:#0a1f42;color:#9aa8c2;padding:50px 0 0;margin-top:60px}
.qk-f-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:36px;padding-bottom:36px}
.qk-f-grid h4{color:#fff;font-size:16px;margin-bottom:16px}
.qk-f-grid ul{list-style:none}
.qk-f-grid ul li{padding:5px 0;font-size:13.5px}
.qk-f-grid ul li a:hover{color:var(--qk-a)}
.qk-f-bottom{border-top:1px solid #1c3360;padding:18px 0;text-align:center;font-size:13px;color:#7a8aa8}
@media(max-width:900px){
.qk-grid5,.qk-adv{grid-template-columns:repeat(2,1fr)}
.qk-ab-wrap,.qk-news-wrap,.qk-contact-grid,.qk-news-layout,.qk-svc-grid{grid-template-columns:1fr}
.qk-hero{height:380px}
.qk-hero-txt h1{font-size:28px}
.qk-stats{grid-template-columns:repeat(2,1fr)}
.qk-f-grid{grid-template-columns:1fr 1fr}
.qk-menu{display:none;position:absolute;top:78px;left:0;right:0;background:#fff;flex-direction:column;padding:14px 20px;border-top:1px solid #eee;box-shadow:0 8px 16px rgba(0,0,0,.08)}
.qk-menu.qk-open{display:flex}
.qk-sub{position:static;display:block;box-shadow:none;padding-left:14px}
.qk-burger{display:block}
.qk-nlist li{flex-direction:column}
.qk-nlist li img{width:100%;height:200px}
}