:root{
  --zk4m-navy:#0b2b4a;--zk4m-navy2:#123f66;--zk4m-blue:#17588f;--zk4m-acc:#d75f1f;
  --zk4m-ink:#17222e;--zk4m-sub:#5b6b7b;--zk4m-line:#dae2ea;--zk4m-bg:#f1f5f9;
}
*{margin:0;padding:0;box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{font-family:"Microsoft YaHei","PingFang SC","Hiragino Sans GB",Arial,sans-serif;font-size:14px;line-height:1.75;color:var(--zk4m-ink);background:#fff}
a{color:inherit;text-decoration:none}
a:hover{color:var(--zk4m-blue)}
img{display:block;max-width:100%}
ul,ol{list-style:none}
.zk4m-wrap{width:1200px;max-width:calc(100% - 48px);margin:0 auto}
.zk4m-topbar{background:var(--zk4m-navy);color:#c3d2e2;font-size:12.5px;line-height:36px}
.zk4m-topbar .zk4m-wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.zk4m-topbar span{opacity:.9}
.zk4m-hd{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--zk4m-line);box-shadow:0 2px 10px rgba(11,43,74,.06)}
.zk4m-hd .zk4m-wrap{height:84px;display:flex;align-items:center;gap:24px}
.zk4m-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.zk4m-logo img{height:42px;width:auto}
.zk4m-logo b{font-size:17px;letter-spacing:.5px;color:var(--zk4m-navy);font-weight:700;display:block;line-height:1.2}
.zk4m-logo i{font-style:normal;font-size:11px;color:var(--zk4m-sub);letter-spacing:1.4px;text-transform:uppercase}
.zk4m-nav{display:flex;flex:1;justify-content:flex-end;gap:2px;align-items:center}
.zk4m-nav a{padding:10px 13px;font-size:15px;color:#22303d;white-space:nowrap;border-bottom:2px solid transparent}
.zk4m-nav a.on,.zk4m-nav a:hover{color:var(--zk4m-blue);border-bottom-color:var(--zk4m-acc)}
.zk4m-tel{flex:0 0 auto;padding-left:20px;border-left:1px solid var(--zk4m-line)}
.zk4m-tel em{display:block;font-style:normal;font-size:11px;color:var(--zk4m-sub);letter-spacing:1px}
.zk4m-tel b{font-size:21px;color:var(--zk4m-navy);letter-spacing:.5px}
.zk4m-burger{display:none}
.zk4m-hero{position:relative;color:#fff;overflow:hidden;background:var(--zk4m-navy)}
.zk4m-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.94}
.zk4m-hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,29,50,.92) 0%,rgba(9,29,50,.72) 46%,rgba(9,29,50,.28) 100%)}
.zk4m-hero .zk4m-wrap{position:relative;z-index:3;padding:96px 0 64px}
.zk4m-hero h1{font-size:38px;line-height:1.32;font-weight:700;letter-spacing:.5px;max-width:800px}
.zk4m-hero h1 span{display:block;font-size:25px;line-height:1.5;margin-top:12px;color:#8ec6f3}
.zk4m-hero p{max-width:700px;margin-top:20px;font-size:15.5px;line-height:1.95;color:#dbe7f3}
.zk4m-btns{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.zk4m-btn{display:inline-block;padding:12px 28px;font-size:15px;border-radius:2px;transition:.2s;border:1px solid transparent}
.zk4m-btn-a{background:var(--zk4m-acc);color:#fff;border-color:var(--zk4m-acc)}
.zk4m-btn-a:hover{background:#bd4f14;color:#fff}
.zk4m-btn-b{border-color:rgba(255,255,255,.55);color:#fff}
.zk4m-btn-b:hover{background:rgba(255,255,255,.12);color:#fff}
.zk4m-stats{position:relative;z-index:4;background:rgba(7,24,42,.74);border-top:1px solid rgba(255,255,255,.13)}
.zk4m-stats .zk4m-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding:0;width:1200px}
.zk4m-stats div{padding:20px 18px 18px;border-right:1px solid rgba(255,255,255,.1)}
.zk4m-stats div:last-child{border-right:0}
.zk4m-stats b{display:block;font-size:26px;color:#fff;line-height:1.2}
.zk4m-stats b em{font-style:normal;font-size:14px;color:#9ec9ee;margin-left:3px}
.zk4m-stats span{font-size:12.5px;color:#b7cbdf}
.zk4m-sec{padding:66px 0}
.zk4m-sec.zk4m-odd{background:var(--zk4m-bg)}
.zk4m-hd2{margin-bottom:34px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}
.zk4m-hd2 h2{font-size:27px;line-height:1.35;color:var(--zk4m-navy);padding-left:14px;border-left:4px solid var(--zk4m-acc)}
.zk4m-hd2 p{color:var(--zk4m-sub);font-size:14px;max-width:620px}
.zk4m-more{font-size:13.5px;color:var(--zk4m-blue);border-bottom:1px solid #b9cfe4;padding-bottom:2px;white-space:nowrap}
.zk4m-biz{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zk4m-biz li{background:#fff;border:1px solid var(--zk4m-line);border-top:3px solid var(--zk4m-navy2);padding:26px 24px 22px;transition:.22s}
.zk4m-biz li:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(11,43,74,.1);border-top-color:var(--zk4m-acc)}
.zk4m-biz i{font-style:normal;font-size:12px;color:#9bacbc;letter-spacing:1px}
.zk4m-biz h3{font-size:18px;margin:6px 0 10px;color:var(--zk4m-navy)}
.zk4m-biz p{font-size:13.5px;color:var(--zk4m-sub);line-height:1.85;min-height:74px}
.zk4m-biz .zk4m-more{display:inline-block;margin-top:12px}
.zk4m-cats{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.zk4m-cats a{font-size:12.5px;padding:6px 14px;border:1px solid var(--zk4m-line);color:#3d4c5b;background:#fff}
.zk4m-cats a:hover,.zk4m-cats a.on{border-color:var(--zk4m-blue);color:#fff;background:var(--zk4m-blue)}
.zk4m-prod{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.zk4m-prod a{background:#fff;border:1px solid var(--zk4m-line);display:flex;flex-direction:column;transition:.22s}
.zk4m-prod a:hover{box-shadow:0 12px 26px rgba(11,43,74,.12);border-color:#bcd2e6}
.zk4m-prod .zk4m-thumb{position:relative;overflow:hidden;aspect-ratio:4/3;background:var(--zk4m-bg)}
.zk4m-prod .zk4m-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.zk4m-prod a:hover .zk4m-thumb img{transform:scale(1.06)}
.zk4m-prod .zk4m-pb{padding:16px 16px 18px}
.zk4m-prod .zk4m-pb span{font-size:11.5px;color:#94a5b6;letter-spacing:.6px}
.zk4m-prod .zk4m-pb h3{font-size:16px;color:var(--zk4m-navy);margin:4px 0 6px;line-height:1.45}
.zk4m-prod .zk4m-pb p{font-size:12.5px;color:var(--zk4m-sub);line-height:1.7;height:42px;overflow:hidden}
.zk4m-svc{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--zk4m-line);border-left:1px solid var(--zk4m-line)}
.zk4m-svc li{background:#fff;border-right:1px solid var(--zk4m-line);border-bottom:1px solid var(--zk4m-line);padding:26px 24px}
.zk4m-svc b{font-size:12px;color:var(--zk4m-acc);letter-spacing:1px}
.zk4m-svc h3{font-size:17px;margin:6px 0 8px;color:var(--zk4m-navy)}
.zk4m-svc p{font-size:13.5px;color:var(--zk4m-sub);line-height:1.85}
.zk4m-flow{display:grid;grid-template-columns:repeat(7,1fr);gap:10px;margin-top:34px}
.zk4m-flow div{background:var(--zk4m-navy);color:#fff;padding:20px 14px 18px;position:relative}
.zk4m-flow div em{font-style:normal;font-size:11px;color:#8fb8dc;letter-spacing:1px;display:block}
.zk4m-flow div b{display:block;font-size:14.5px;margin-top:4px;line-height:1.5}
.zk4m-flow div span{display:block;font-size:11.5px;color:#a9c3d9;margin-top:6px;line-height:1.6}
.zk4m-sol li{display:grid;grid-template-columns:1.02fr 1fr;gap:44px;align-items:center;margin-bottom:56px}
.zk4m-sol li:nth-child(even) .zk4m-si{order:2}
.zk4m-sol li:nth-child(even) .zk4m-st{order:1}
.zk4m-sol .zk4m-si img{width:100%;aspect-ratio:16/10;object-fit:cover}
.zk4m-sol .zk4m-si{border:1px solid var(--zk4m-line);padding:10px;background:#fff}
.zk4m-st span{font-size:12px;color:var(--zk4m-acc);letter-spacing:1.6px}
.zk4m-st h3{font-size:23px;color:var(--zk4m-navy);margin:8px 0 14px}
.zk4m-st p{font-size:14px;color:#44535f;line-height:1.95}
.zk4m-st ul{margin-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}
.zk4m-st ul li{font-size:13px;color:var(--zk4m-sub);position:relative;padding-left:14px;margin:0;display:block}
.zk4m-st ul li:before{content:"";position:absolute;left:0;top:9px;width:5px;height:5px;background:var(--zk4m-acc)}
.zk4m-st .zk4m-more{display:inline-block;margin-top:18px}
.zk4m-band{background:linear-gradient(100deg,#0a2743,#164b76);color:#fff;padding:44px 0}
.zk4m-band .zk4m-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.zk4m-band b{display:block;font-size:30px;line-height:1.25}
.zk4m-band b em{font-style:normal;font-size:15px;color:#9cc9ef;margin-left:2px}
.zk4m-band span{font-size:12.5px;color:#b8cee2;letter-spacing:.5px}
.zk4m-case{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.zk4m-case a{position:relative;overflow:hidden;height:290px;display:block}
.zk4m-case img{width:100%;height:100%;object-fit:cover;transition:transform .6s}
.zk4m-case a:hover img{transform:scale(1.05)}
.zk4m-case a:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(8,30,52,.05) 30%,rgba(8,30,52,.86) 100%)}
.zk4m-cb{position:absolute;left:24px;right:24px;bottom:22px;z-index:3;color:#fff}
.zk4m-cb span{font-size:11.5px;color:#a8c6e0;letter-spacing:1px}
.zk4m-cb h3{font-size:17px;line-height:1.5;margin-top:6px}
.zk4m-news{display:grid;grid-template-columns:1.05fr 1fr;gap:26px}
.zk4m-feat{background:#fff;border:1px solid var(--zk4m-line)}
.zk4m-feat img{width:100%;aspect-ratio:16/9;object-fit:cover}
.zk4m-feat .zk4m-fb{padding:22px 24px 24px}
.zk4m-feat .zk4m-fb span{font-size:12px;color:#8ea3b7;letter-spacing:.6px}
.zk4m-feat .zk4m-fb h3{font-size:19px;line-height:1.55;color:var(--zk4m-navy);margin:6px 0 10px}
.zk4m-feat .zk4m-fb p{font-size:13px;color:var(--zk4m-sub);line-height:1.85}
.zk4m-nl li{border-bottom:1px solid var(--zk4m-line);padding:16px 0;display:flex;gap:18px;align-items:flex-start}
.zk4m-nl li:first-child{padding-top:0}
.zk4m-nd{flex:0 0 62px;text-align:center;border:1px solid var(--zk4m-line);padding:6px 0 8px;background:#fff}
.zk4m-nd b{display:block;font-size:18px;color:var(--zk4m-navy);line-height:1.2}
.zk4m-nd span{font-size:11px;color:#8ea3b7}
.zk4m-nt{flex:1}
.zk4m-nt h3{font-size:15px;line-height:1.55;color:#22303d;font-weight:400}
.zk4m-nt h3 a:hover{color:var(--zk4m-blue)}
.zk4m-nt p{font-size:12.5px;color:#7b8b9b;margin-top:4px;line-height:1.65;height:21px;overflow:hidden}
.zk4m-brand{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.zk4m-brand span{border:1px solid var(--zk4m-line);background:#fff;padding:12px 22px;font-size:13.5px;color:#3c4b59;letter-spacing:.5px}
.zk4m-cta{background:linear-gradient(100deg,#123f66,#0b2b4a);color:#fff;padding:40px 0}
.zk4m-cta .zk4m-wrap{display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap}
.zk4m-cta h2{font-size:24px;line-height:1.5;font-weight:600}
.zk4m-cta p{font-size:13.5px;color:#c2d6e8;margin-top:8px}
.zk4m-cta .zk4m-cn{display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.zk4m-cta .zk4m-cn b{font-size:26px;letter-spacing:.6px}
.zk4m-ft{background:#08223c;color:#a9bdcf;padding:52px 0 26px;font-size:13px}
.zk4m-ft .zk4m-fg{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px}
.zk4m-ft h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;padding-bottom:10px;border-bottom:1px solid rgba(255,255,255,.12)}
.zk4m-ft p{line-height:1.9;font-size:12.5px;color:#93a9bd}
.zk4m-ft ul li{font-size:12.5px;line-height:2.1}
.zk4m-ft ul li a:hover{color:#8ec6f3}
.zk4m-ft .zk4m-cp{margin-top:30px;border-top:1px solid rgba(255,255,255,.1);padding-top:16px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:12px;color:#7e94a8}
.zk4m-ph{position:relative;background:var(--zk4m-navy);color:#fff;overflow:hidden}
.zk4m-ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.26}
.zk4m-ph:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,29,50,.94),rgba(9,29,50,.6))}
.zk4m-ph .zk4m-wrap{position:relative;z-index:3;padding:52px 0 46px}
.zk4m-ph h1{font-size:32px;line-height:1.4}
.zk4m-ph .zk4m-cr{font-size:12.5px;color:#a8c3da;margin-top:12px}
.zk4m-ph .zk4m-cr a:hover{color:#fff}
.zk4m-main{padding:52px 0 70px}
.zk4m-two{display:grid;grid-template-columns:1fr 248px;gap:46px;align-items:start}
.zk4m-side{background:var(--zk4m-bg);border:1px solid var(--zk4m-line);padding:0 0 6px}
.zk4m-side h3{background:var(--zk4m-navy);color:#fff;font-size:15px;padding:14px 18px;font-weight:600}
.zk4m-side ul li{border-bottom:1px dashed #d3dde7}
.zk4m-side ul li a{display:block;padding:11px 18px;font-size:13.5px;color:#33434f}
.zk4m-side ul li a:hover,.zk4m-side ul li a.on{background:#fff;color:var(--zk4m-blue);padding-left:22px}
.zk4m-side .zk4m-scta{margin:18px;padding:16px;background:#fff;border:1px solid var(--zk4m-line)}
.zk4m-side .zk4m-scta b{display:block;color:var(--zk4m-navy);font-size:16px}
.zk4m-side .zk4m-scta span{display:block;font-size:12px;color:var(--zk4m-sub);margin-top:4px}
.zk4m-art{background:#fff;border:1px solid var(--zk4m-line);padding:40px 44px 46px}
.zk4m-art h2{font-size:21px;color:var(--zk4m-navy);margin:26px 0 12px;padding-left:12px;border-left:3px solid var(--zk4m-acc)}
.zk4m-art h3{font-size:17px;color:var(--zk4m-navy);margin:22px 0 8px}
.zk4m-art p{font-size:14.5px;line-height:2.05;color:#2f3d4a;margin:12px 0}
.zk4m-art .zk4m-meta{font-size:12.5px;color:#8ea3b7;padding-bottom:16px;border-bottom:1px solid var(--zk4m-line);margin-bottom:22px}
.zk4m-art img.zk4m-fig{width:100%;aspect-ratio:16/9;object-fit:cover;margin:0 0 8px}
.zk4m-cap{font-size:12px;color:#8ea3b7;text-align:center;margin-bottom:22px}
.zk4m-lead{font-size:15px;color:#3a4a58;background:#f4f8fb;border-left:3px solid var(--zk4m-blue);padding:16px 18px;line-height:1.95}
.zk4m-tbl{width:100%;border-collapse:collapse;margin:14px 0 6px;font-size:13.5px}
.zk4m-tbl th,.zk4m-tbl td{border:1px solid var(--zk4m-line);padding:11px 14px;text-align:left;vertical-align:top}
.zk4m-tbl th{background:#eef3f8;color:var(--zk4m-navy);font-weight:600;width:170px}
.zk4m-tbl td{color:#33434f}
.zk4m-facts{display:grid;grid-template-columns:1fr 1fr;gap:12px 26px;margin:14px 0 4px}
.zk4m-facts div{font-size:13.5px;color:#33434f;border-bottom:1px dashed #d9e2eb;padding-bottom:8px}
.zk4m-facts b{color:var(--zk4m-navy);font-weight:600;margin-right:8px}
.zk4m-pager{display:flex;justify-content:space-between;gap:16px;margin-top:34px;padding-top:22px;border-top:1px solid var(--zk4m-line);font-size:13.5px;flex-wrap:wrap}
.zk4m-pager a{color:var(--zk4m-blue)}
.zk4m-pager span{color:#9bacbc}
.zk4m-plist li{display:flex;gap:22px;padding:22px 0;border-bottom:1px solid var(--zk4m-line)}
.zk4m-plist li img{width:230px;height:172px;object-fit:cover;flex:0 0 auto}
.zk4m-plist li div{flex:1}
.zk4m-plist li h3{font-size:17px;color:var(--zk4m-navy);margin-bottom:8px}
.zk4m-plist li p{font-size:13.5px;color:var(--zk4m-sub);line-height:1.85}
.zk4m-plist li .zk4m-tags{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.zk4m-tags span{font-size:11.5px;color:#5c7186;border:1px solid var(--zk4m-line);padding:3px 10px;background:#f7fafd}
.zk4m-faq li{border-bottom:1px solid var(--zk4m-line);padding:16px 0}
.zk4m-faq b{display:block;font-size:15px;color:var(--zk4m-navy);margin-bottom:6px}
.zk4m-faq p{font-size:13.5px;color:var(--zk4m-sub);line-height:1.9}
.zk4m-grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.zk4m-nf{text-align:center;padding:80px 0 90px}
.zk4m-nf b{font-size:96px;line-height:1;color:var(--zk4m-navy);letter-spacing:4px}
.zk4m-nf h1{font-size:24px;margin:18px 0 10px;color:var(--zk4m-ink)}
.zk4m-nf p{color:var(--zk4m-sub);font-size:14px}
.zk4m-nf .zk4m-btns{justify-content:center;margin-top:28px}
.zk4m-nf .zk4m-btn-b{border-color:#c6d5e3;color:var(--zk4m-navy)}
.zk4m-nf .zk4m-btn-b:hover{background:#eef3f8;color:var(--zk4m-navy)}
@media(max-width:1180px){
  .zk4m-nav a{padding:10px 9px;font-size:14px}
  .zk4m-tel b{font-size:18px}
}
@media(max-width:1024px){
  .zk4m-nav{display:none;position:absolute;left:0;right:0;top:84px;background:#fff;flex-direction:column;align-items:stretch;padding:6px 16px 14px;box-shadow:0 12px 22px rgba(11,43,74,.14);border-bottom:1px solid var(--zk4m-line)}
  .zk4m-nav.open{display:flex}
  .zk4m-nav a{padding:12px 4px;border-bottom:1px solid var(--zk4m-line);border-left:0}
  .zk4m-nav a.on{border-bottom-color:var(--zk4m-line);color:var(--zk4m-blue)}
  .zk4m-burger{display:block;margin-left:auto;width:40px;height:36px;border:1px solid var(--zk4m-line);background:#fff;position:relative;cursor:pointer}
  .zk4m-burger i{position:absolute;left:9px;right:9px;height:2px;background:var(--zk4m-navy);top:10px}
  .zk4m-burger i:nth-child(2){top:17px}
  .zk4m-burger i:nth-child(3){top:24px}
  .zk4m-tel{display:none}
  .zk4m-hero .zk4m-wrap{padding:58px 0 52px}
  .zk4m-hero h1{font-size:30px}
  .zk4m-stats .zk4m-wrap{grid-template-columns:1fr 1fr}
  .zk4m-stats div{border-bottom:1px solid rgba(255,255,255,.1)}
  .zk4m-prod,.zk4m-case,.zk4m-grid4{grid-template-columns:1fr 1fr}
  .zk4m-biz,.zk4m-svc{grid-template-columns:1fr 1fr}
  .zk4m-flow{grid-template-columns:repeat(4,1fr)}
  .zk4m-sol li{grid-template-columns:1fr;gap:20px;margin-bottom:40px}
  .zk4m-sol li:nth-child(even) .zk4m-si{order:0}
  .zk4m-sol li:nth-child(even) .zk4m-st{order:0}
  .zk4m-news{grid-template-columns:1fr}
  .zk4m-band .zk4m-wrap{grid-template-columns:1fr 1fr;gap:18px}
  .zk4m-ft .zk4m-fg{grid-template-columns:1fr 1fr}
  .zk4m-two{grid-template-columns:1fr}
  .zk4m-side{order:2}
  .zk4m-plist li img{width:190px;height:142px}
  .zk4m-art{padding:26px 22px 30px}
}
@media(max-width:720px){
  .zk4m-topbar{display:none}
  .zk4m-hd .zk4m-wrap{height:64px;gap:10px}
  .zk4m-nav{top:64px}
  .zk4m-logo img{height:34px}
  .zk4m-logo b{font-size:15px}
  .zk4m-logo i{display:none}
  .zk4m-hero .zk4m-wrap{padding:36px 0 40px}
  .zk4m-hero h1{font-size:23px}
  .zk4m-hero p{font-size:13.5px;margin-top:14px}
  .zk4m-btns{margin-top:22px;gap:10px}
  .zk4m-btn{padding:10px 18px;font-size:14px}
  .zk4m-stats div{padding:14px 12px}
  .zk4m-stats b{font-size:21px}
  .zk4m-sec{padding:42px 0}
  .zk4m-hd2 h2{font-size:21px}
  .zk4m-biz,.zk4m-svc,.zk4m-prod,.zk4m-case,.zk4m-grid4{grid-template-columns:1fr}
  .zk4m-case a{height:240px}
  .zk4m-flow{grid-template-columns:1fr 1fr}
  .zk4m-ph .zk4m-wrap{padding:32px 0 30px}
  .zk4m-ph h1{font-size:23px}
  .zk4m-main{padding:30px 0 46px}
  .zk4m-st h3{font-size:19px}
  .zk4m-st ul{grid-template-columns:1fr}
  .zk4m-art h2{font-size:18px}
  .zk4m-art p{font-size:14px;line-height:1.95}
  .zk4m-plist li{flex-direction:column;gap:12px}
  .zk4m-plist li img{width:100%;height:auto;aspect-ratio:4/3}
  .zk4m-facts{grid-template-columns:1fr}
  .zk4m-tbl th{width:110px;font-size:12.5px}
  .zk4m-tbl td{font-size:12.5px}
  .zk4m-nf b{font-size:64px}
  .zk4m-ft .zk4m-fg{grid-template-columns:1fr}
  .zk4m-cta h2{font-size:19px}
  .zk4m-cta .zk4m-cn b{font-size:21px}
}
@media(max-width:480px){
  .zk4m-wrap{max-width:calc(100% - 28px)}
  .zk4m-hero h1{font-size:20px}
  .zk4m-hero .zk4m-wrap{padding:28px 0 32px}
  .zk4m-stats .zk4m-wrap{grid-template-columns:1fr 1fr}
  .zk4m-flow{grid-template-columns:1fr}
  .zk4m-case a{height:210px}
  .zk4m-art{padding:20px 16px 24px}
  .zk4m-nf b{font-size:52px}
}