:root{
  --navy:#07111f;--navy-2:#0d192a;--indigo:#17245f;--blue:#26378c;--yellow:#ffd500;
  --warm:#f5f2ec;--paper:#fbfaf7;--white:#fff;--ink:#0e1624;--muted:#647084;--line:#d9dee7;
  --copper:#b97a45;--green:#2b765d;--shadow:0 28px 70px rgba(7,17,31,.12);--radius:24px;
  --shell:min(1280px,calc(100vw - 48px));--font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
}
*{box-sizing:border-box}html{scroll-behavior:smooth;background:var(--navy)}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);line-height:1.65;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}.skip-link{position:fixed;left:16px;top:-100px;z-index:999;background:var(--yellow);padding:10px 18px;font-weight:800}.skip-link:focus{top:12px}.site-header{height:88px;background:rgba(7,17,31,.94);backdrop-filter:blur(18px);position:sticky;top:0;z-index:90;border-bottom:1px solid rgba(255,255,255,.08)}.nav-shell{width:var(--shell);height:100%;margin:auto;display:flex;align-items:center;gap:34px}.brand{display:flex;align-items:center;gap:14px;margin-right:auto;color:white}.brand img{width:168px;max-height:52px;object-fit:contain;object-position:left center}.brand span{display:none}.brand b{display:block}.brand small{display:block;color:#aeb8c8}.site-nav{display:flex;align-items:center;gap:26px}.site-nav a{color:#dce3ee;font-size:14px;letter-spacing:.04em;position:relative}.site-nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-9px;height:2px;background:var(--yellow);transition:right .22s ease}.site-nav a:hover:after,.site-nav a:focus-visible:after{right:0}.nav-hotline{border-left:1px solid rgba(255,255,255,.16);padding-left:24px;color:white;line-height:1.15}.nav-hotline span{display:block;color:#8f9cad;font-size:10px;letter-spacing:.14em;text-transform:uppercase}.nav-hotline strong{display:block;margin-top:5px;font-size:16px;letter-spacing:.04em}.nav-toggle{display:none;background:transparent;border:0;color:white;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:white;margin:5px}.nav-toggle b{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
main{overflow:hidden}.kicker{color:var(--yellow)!important;font-size:12px!important;line-height:1.3!important;font-weight:800!important;letter-spacing:.17em!important;text-transform:uppercase;margin:0 0 22px!important}.home-hero{min-height:calc(100vh - 88px);position:relative;background:var(--navy);color:white;display:grid;align-items:end;overflow:hidden}.home-hero-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center}.home-hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,10,19,.98) 0%,rgba(4,10,19,.9) 30%,rgba(4,10,19,.28) 70%,rgba(4,10,19,.05) 100%),linear-gradient(0deg,rgba(4,10,19,.78),transparent 50%)}.home-hero-content{width:var(--shell);margin:0 auto;padding:12vh 0 210px;position:relative;z-index:2}.home-hero h1{font-size:clamp(58px,7.3vw,112px);line-height:.92;letter-spacing:-.055em;margin:0;max-width:900px;font-weight:850}.home-hero h1 em{font-style:normal;color:white}.hero-lead{font-size:clamp(17px,1.7vw,23px);line-height:1.7;max-width:720px;color:#d0d9e6;margin:34px 0}.hero-actions{display:flex;gap:13px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:4px;border:1px solid transparent;font-size:14px;font-weight:800;letter-spacing:.03em;transition:transform .2s ease,background .2s ease,color .2s ease,border .2s ease}.button:hover{transform:translateY(-2px)}.button-primary{background:var(--yellow);color:var(--navy);box-shadow:0 10px 28px rgba(255,213,0,.18)}.button-ghost{border-color:rgba(255,255,255,.4);color:white;background:rgba(255,255,255,.04)}.button-dark{background:var(--navy);color:white}.hero-metrics{position:absolute;z-index:3;bottom:50px;left:50%;transform:translateX(-50%);width:var(--shell);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(7,17,31,.88);border:1px solid rgba(255,255,255,.13);backdrop-filter:blur(20px)}.hero-metrics a{min-height:104px;padding:20px 26px;display:flex;gap:16px;align-items:center;border-right:1px solid rgba(255,255,255,.12)}.hero-metrics a:last-child{border-right:0}.hero-metrics strong{font-size:32px;line-height:1;color:white;white-space:nowrap}.hero-metrics small{font-size:12px;color:var(--yellow);margin-left:4px}.hero-metrics span{font-size:13px;color:#b9c4d3}.claim-note{position:absolute;right:max(24px,calc((100vw - 1280px)/2));bottom:14px;z-index:3;color:#818da0;font-size:10px;margin:0}
.page-hero{background:var(--navy);color:white;padding:106px 24px 98px;position:relative;overflow:hidden}.page-hero:before{content:"NBWAVE";position:absolute;right:-1vw;top:2px;font-weight:900;font-size:clamp(110px,19vw,300px);line-height:1;color:rgba(255,255,255,.025);letter-spacing:-.08em}.page-hero-inner{width:min(1120px,100%);margin:auto;position:relative}.page-hero h1{font-size:clamp(42px,6vw,80px);line-height:1.08;letter-spacing:-.045em;max-width:960px;margin:0}.page-hero p:not(.kicker){font-size:18px;line-height:1.8;max-width:760px;color:#b8c4d4;margin:24px 0 0}.hero-rule{width:86px;height:6px;background:var(--yellow);margin-top:42px}.breadcrumb{width:var(--shell);margin:24px auto 0;display:flex;gap:10px;color:#7b8797;font-size:12px}.breadcrumb a:hover{color:var(--blue)}.section{padding:118px max(24px,calc((100vw - 1280px)/2))}.section--warm{background:var(--warm)}.section--ink{background:var(--navy);color:white}.section--ink .section-heading h2{color:white}.section--ink .section-heading p{color:#9eabba}.section-heading{max-width:860px;margin:0 0 54px}.section-heading>span{display:block;color:var(--blue);font-size:11px;font-weight:900;letter-spacing:.16em;margin-bottom:18px}.section-heading h2{font-size:clamp(36px,4.8vw,64px);line-height:1.1;letter-spacing:-.045em;margin:0}.section-heading p{font-size:18px;line-height:1.8;color:var(--muted);max-width:760px;margin:22px 0 0}.intro-band{background:var(--yellow);color:var(--navy);padding:28px 24px}.intro-band>div{width:var(--shell);margin:auto;display:flex;align-items:center;gap:34px}.intro-band p{font-size:18px;font-weight:850;margin:0 auto 0 0}.intro-band strong{font-size:12px;letter-spacing:.06em}.system-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:#cfd4dc;border:1px solid #cfd4dc}.system-grid article{background:var(--paper);padding:36px 30px;min-height:250px}.system-grid b,.safety-row b{font-family:Georgia,serif;color:var(--copper);font-size:34px;font-weight:400}.system-grid h3{font-size:21px;margin:58px 0 10px}.system-grid p{color:var(--muted);margin:0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.product-grid--single{grid-template-columns:minmax(320px,520px)}.product-card{background:white;border:1px solid var(--line);min-width:0;transition:transform .28s ease,box-shadow .28s ease}.product-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.product-image{height:340px;background:#f1f2f4;display:flex;align-items:center;justify-content:center;padding:22px;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:contain;transition:transform .35s ease}.product-card:hover .product-image img{transform:scale(1.035)}.product-body{padding:28px}.product-code{font-size:10px!important;letter-spacing:.14em!important;font-weight:800!important;color:var(--blue)!important;margin:0 0 12px!important}.product-body h3{font-size:23px;line-height:1.25;margin:0 0 12px}.product-body>p:not(.product-code){color:var(--muted);min-height:52px;margin:0}.fact-chips{display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}.fact-chips span{font-size:11px;font-weight:700;color:#3a4657;background:#eff1f4;padding:5px 9px;border-radius:2px}.text-link{font-size:13px;font-weight:800;color:var(--blue);display:inline-flex;gap:12px;align-items:center;margin-top:10px}.text-link span{transition:transform .2s}.text-link:hover span{transform:translateX(4px)}.center-action{text-align:center;margin:54px 0 0}.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.13)}.solution-grid--light{background:var(--line);border-color:var(--line)}.solution-card{background:var(--navy-2);padding:44px;min-height:300px;position:relative}.solution-grid--light .solution-card{background:white}.solution-card>span{font-family:Georgia,serif;font-size:43px;color:var(--yellow)}.solution-grid--light .solution-card>span{color:var(--copper)}.solution-card h3{font-size:28px;line-height:1.2;margin:30px 0 13px}.solution-card p{color:#9cabbc;max-width:470px}.solution-grid--light .solution-card p{color:var(--muted)}.section--ink .text-link{color:var(--yellow)}
.evidence-preview{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:start}.evidence-timeline{border-top:1px solid var(--line)}.evidence-timeline article{display:grid;grid-template-columns:90px 1fr;gap:20px;padding:25px 0;border-bottom:1px solid var(--line)}.evidence-timeline time{font:36px/1 Georgia,serif;color:var(--copper)}.evidence-timeline span{font-size:10px;color:var(--blue);font-weight:800;letter-spacing:.13em}.evidence-timeline h3{font-size:19px;margin:4px 0}.evidence-timeline p{margin:0;color:var(--muted);font-size:12px}.service-band,.lead-cta{padding:58px max(24px,calc((100vw - 1280px)/2));display:flex;align-items:center;justify-content:space-between;gap:40px}.service-band{background:var(--indigo);color:white}.service-band>div>span{font-size:10px;color:var(--yellow);font-weight:800;letter-spacing:.15em}.service-band h2,.lead-cta h2{font-size:clamp(32px,4vw,54px);line-height:1.08;margin:10px 0}.service-band p{color:#b8c3d2;max-width:760px;margin:0}.lead-cta{background:var(--yellow);color:var(--navy)}.lead-cta .kicker{color:var(--navy)!important;margin-bottom:10px!important}.lead-cta p{max-width:700px;margin:0}.category-links{display:grid;grid-template-columns:repeat(4,1fr);width:var(--shell);margin:56px auto 0;border:1px solid var(--line)}.category-links a{padding:30px;border-right:1px solid var(--line);background:white}.category-links a:last-child{border:0}.category-links b{display:block;font-size:10px;letter-spacing:.13em;color:var(--blue)}.category-links span{font-size:19px;font-weight:800;display:block;margin-top:8px}.legacy-air-source{background:var(--indigo);color:white;padding:72px max(24px,calc((100vw - 1280px)/2));display:grid;grid-template-columns:1fr 1fr;gap:80px}.legacy-air-source h2{font-size:42px;line-height:1.1;margin:0 0 18px}.legacy-air-source p{color:#c1cad8}.legacy-air-source>div:last-child{display:grid;grid-template-columns:1fr 1fr;gap:10px}.legacy-air-source a{padding:18px;border:1px solid rgba(255,255,255,.2);font-weight:700}.technical-note{width:var(--shell);margin:0 auto 80px;background:#fff4bd;border-left:6px solid var(--yellow);padding:24px 28px}.technical-note strong{display:block}.technical-note p{margin:4px 0 0;color:#66591e}.split-feature{display:grid;grid-template-columns:1fr .9fr;gap:90px;align-items:center}.split-feature>img{width:100%;max-height:560px;object-fit:cover;box-shadow:var(--shadow)}.link-list{display:grid;border-top:1px solid var(--line)}.link-list a{display:flex;justify-content:space-between;padding:17px 0;border-bottom:1px solid var(--line);font-weight:750}.data-panel{background:var(--navy);color:white;border-radius:var(--radius);padding:52px;display:grid}.data-panel>b{font-size:12px;letter-spacing:.15em;color:var(--yellow);margin-bottom:36px}.data-panel strong{font-size:32px;border-top:1px solid rgba(255,255,255,.15);padding-top:20px;margin-top:20px}.data-panel span{color:#9eabba}.check-list{list-style:none;padding:0;margin:28px 0}.check-list li{padding:14px 0 14px 34px;border-bottom:1px solid var(--line);position:relative}.check-list li:before{content:"";width:9px;height:9px;background:var(--yellow);position:absolute;left:0;top:23px}
.product-detail{width:var(--shell);margin:80px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.product-visual{min-height:650px;background:#eceef1;display:flex;align-items:center;justify-content:center;position:relative;padding:40px}.product-visual img{max-height:570px;object-fit:contain}.product-identity{position:absolute;left:24px;top:24px;background:var(--navy);color:white;padding:18px;width:190px;font-size:12px;line-height:1.4;z-index:2}.product-identity b{display:block;font-size:26px;border-bottom:1px solid #7a8491;margin:8px 0;padding-bottom:8px}.product-identity small{font-size:10px;color:#b5c0ce}.product-summary h2{font-size:clamp(38px,4.2vw,62px);line-height:1.08;letter-spacing:-.04em;margin:0 0 22px}.product-summary>p:not(.product-code){font-size:18px;color:var(--muted)}.fact-chips--large{gap:10px;margin:30px 0}.fact-chips--large span{font-size:13px;padding:9px 12px}.spec-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px;align-items:start}.spec-table{width:100%;border-collapse:collapse;background:white}.spec-table th,.spec-table td{padding:18px;border-bottom:1px solid var(--line);text-align:left}.spec-table th{width:38%;font-size:13px;color:var(--muted);font-weight:600}.spec-table td{font-weight:750}.safety-row{width:var(--shell);margin:0 auto 100px;display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line)}.safety-row article{padding:34px;border-right:1px solid var(--line)}.safety-row article:last-child{border:0}.safety-row h3{margin:24px 0 7px}.safety-row p{color:var(--muted);margin:0}.solution-detail{width:var(--shell);margin:80px auto;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line);border:1px solid var(--line)}.solution-promise{background:var(--navy);color:white;padding:66px}.solution-promise>p{font-size:10px;letter-spacing:.16em;color:var(--yellow)}.solution-promise h2{font-size:clamp(38px,4vw,60px);line-height:1.1;margin:80px 0 40px}.solution-points{background:white;list-style:none;padding:0;margin:0}.solution-points li{display:grid;grid-template-columns:90px 1fr;align-items:center;min-height:124px;padding:20px 30px;border-bottom:1px solid var(--line)}.solution-points li:last-child{border:0}.solution-points b{font:30px Georgia,serif;color:var(--copper)}.solution-points span{font-size:18px;font-weight:700}
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