.loong-home{--lh-shell:1500px;--lh-navy:#0d2e59;--lh-navy-deep:#071b35;--lh-green:#51ae32;--lh-cyan:#16a9c7;--lh-ink:#122237;--lh-muted:#6d7885;--lh-line:#dce4ea;--lh-paper:#f4f7f8;background:#fff;color:var(--lh-ink);font-family:Inter,Poppins,Arial,sans-serif;overflow:hidden}
.loong-home *{box-sizing:border-box}
.loong-shell{width:min(var(--lh-shell),calc(100% - 96px));margin:0 auto}
.loong-hero{min-height:100vh;position:relative;overflow:hidden;background:var(--lh-navy-deep);display:flex;align-items:center;color:#fff}
.loong-hero:before{content:"";position:absolute;inset:-2%;background-image:linear-gradient(90deg,rgba(4,18,37,.84) 0%,rgba(4,18,37,.58) 40%,rgba(4,18,37,.08) 74%),var(--loong-hero-image);background-size:cover;background-position:center;transform:scale(1.015);animation:loongHeroDrift 14s ease-in-out infinite alternate;will-change:transform}
.loong-hero:after{content:"";position:absolute;z-index:0;inset:auto 0 0;height:150px;background:linear-gradient(180deg,transparent,#071b35);opacity:.76}
.loong-hero-inner{position:relative;z-index:1;display:flex;align-items:flex-end;justify-content:space-between;padding:112px 0 130px}
.loong-hero-copy{max-width:570px}
.loong-hero-copy>*{animation:loongHeroEnter .75s ease both}
.loong-hero-copy>*:nth-child(2){animation-delay:.08s}
.loong-hero-copy>*:nth-child(3){animation-delay:.16s}
.loong-hero-copy>*:nth-child(4){animation-delay:.24s}
.loong-hero-copy>*:nth-child(5){animation-delay:.32s}
.loong-kicker{font-size:12px;line-height:1.3;letter-spacing:0;text-transform:uppercase;color:#fff;font-weight:700;margin:0 0 24px;display:flex;gap:11px;align-items:center}
.loong-kicker span{width:28px;height:2px;background:var(--lh-green);display:inline-block}
.loong-kicker-dark{color:var(--lh-navy)}
.loong-hero h1{font-size:82px;line-height:.92;letter-spacing:0;margin:0;font-weight:800;color:#fff}
.loong-hero h1 em,.loong-home h2 em{color:var(--lh-green);font-style:normal}
.loong-hero-text{font-size:18px;line-height:1.6;max-width:500px;color:rgba(255,255,255,.84);margin:28px 0 30px}
.loong-actions{display:flex;flex-wrap:wrap;gap:12px}
.loong-button{display:inline-flex;align-items:center;gap:12px;min-height:52px;padding:0 22px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:0;text-decoration:none;transition:transform .25s ease,background .25s ease,border-color .25s ease}
.loong-button:hover{transform:translateY(-2px)}
.loong-button-primary{background:var(--lh-green);color:#071b35}
.loong-button-primary:hover{background:#68c847}
.loong-button-ghost{border:1px solid rgba(255,255,255,.48);color:#fff}
.loong-button-ghost:hover{border-color:#fff;background:rgba(255,255,255,.1)}
.loong-hero-proof{display:flex;gap:25px;flex-wrap:wrap;margin-top:38px;color:rgba(255,255,255,.76);font-size:12px}
.loong-hero-proof i{color:var(--lh-green);font-size:16px;vertical-align:-2px;margin-right:6px}
.loong-hero-note{font-size:15px;line-height:1.5;letter-spacing:0;color:rgba(255,255,255,.74);padding:0 0 24px;border-left:1px solid rgba(255,255,255,.32);padding-left:22px}
.loong-hero-note strong{color:#fff}
.loong-hero-scroll{position:absolute;z-index:2;bottom:25px;left:50%;transform:translateX(-50%);display:flex;gap:12px;align-items:center;font-size:11px;letter-spacing:0;text-transform:uppercase;color:rgba(255,255,255,.75)}
.loong-hero-scroll i{font-size:18px;color:var(--lh-green);animation:loongHeroNudge 1.8s ease-in-out infinite}
.loong-section{padding:110px 0}
.loong-categories{padding:78px 0 84px;background:var(--lh-paper)}
.loong-categories .loong-section-head{margin-bottom:34px}
.loong-categories .loong-kicker{margin-bottom:18px}
.loong-categories .loong-section-head h2{font-size:54px}
.loong-section-head{display:flex;justify-content:space-between;gap:50px;align-items:flex-end;margin-bottom:50px}
.loong-section-head h2{font-size:62px;line-height:.98;letter-spacing:0;margin:0;color:var(--lh-navy);font-weight:800}
.loong-section-intro{max-width:430px;color:var(--lh-muted);font-size:15px;line-height:1.75;margin:0}
.loong-section-intro a{color:var(--lh-navy);font-weight:700;display:inline-flex;gap:10px;margin-top:20px;text-decoration:none}
.loong-category-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.loong-category-card{background:#fff;color:var(--lh-ink);text-decoration:none;min-width:0;border:1px solid transparent;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.loong-category-card:hover{transform:translateY(-5px);border-color:#cbd8e1;box-shadow:0 16px 28px rgba(13,46,89,.1)}
.loong-category-image{height:148px;position:relative;overflow:hidden;background:#e9eff2}
.loong-category-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.loong-category-image:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,22,42,.08),rgba(5,22,42,.94));opacity:0;transition:opacity .25s ease}
.loong-category-card:hover .loong-category-image img,.loong-category-card:focus-visible .loong-category-image img{transform:scale(1.05)}
.loong-category-card:hover .loong-category-image:after,.loong-category-card:focus-visible .loong-category-image:after{opacity:1}
.loong-category-description{position:absolute;z-index:2;inset:auto 14px 49px;margin:0;color:#fff;font-size:11.5px;line-height:1.5;opacity:0;transform:translateY(8px);transition:opacity .25s ease,transform .25s ease;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.loong-category-card:hover .loong-category-description,.loong-category-card:focus-visible .loong-category-description{opacity:1;transform:translateY(0)}
.loong-category-icon{position:absolute;z-index:3;left:10px;bottom:10px;width:30px;height:30px;background:var(--lh-green);color:#071b35;display:grid;place-items:center;font-size:16px}
.loong-category-meta{padding:12px 12px 13px;display:grid;gap:6px}
.loong-category-meta>span{font-size:13px;font-weight:700;line-height:1.25;min-height:33px}
.loong-category-meta small{font-size:11px;color:#82909b;display:flex;justify-content:space-between;align-items:center}
.loong-category-meta small i{font-size:15px;color:var(--lh-navy)}
.loong-factory{background:var(--lh-navy-deep);color:#fff}
.loong-factory h2{color:#fff}
.loong-factory-story{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(420px,.75fr);gap:120px;align-items:end;margin-bottom:52px}
.loong-factory-story-copy{max-width:760px}
.loong-factory-story h2{font-size:58px;line-height:1;letter-spacing:0;margin:0 0 30px;font-weight:800}
.loong-factory-story-copy>p:not(.loong-kicker){max-width:670px;margin:0 0 14px;color:rgba(255,255,255,.7);font-size:15px;line-height:1.75}
.loong-factory-link{display:inline-flex;align-items:center;gap:10px;margin-top:18px;color:#fff;font-size:13px;font-weight:700;text-decoration:none;text-transform:uppercase}
.loong-factory-link i{color:var(--lh-green);font-size:17px}
.loong-factory-capabilities{border-bottom:1px solid rgba(255,255,255,.15)}
.loong-factory-capabilities article{display:grid;grid-template-columns:44px 1fr;gap:17px;padding:20px 0;border-top:1px solid rgba(255,255,255,.15)}
.loong-factory-capabilities article>i{width:40px;height:40px;display:grid;place-items:center;background:var(--lh-green);color:var(--lh-navy-deep);font-size:19px}
.loong-factory-capabilities strong{display:block;color:#fff;font-size:15px;margin-bottom:5px}
.loong-factory-capabilities p{margin:0;color:rgba(255,255,255,.6);font-size:12px;line-height:1.55}
.loong-factory-layout{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
.loong-factory-feature,.loong-factory-gallery figure{min-height:0;aspect-ratio:1.04;background:#173654}
.loong-factory-feature{position:relative;overflow:hidden}
.loong-factory-feature img{width:100%;height:100%;object-fit:cover;display:block}
.loong-factory-feature:after{content:"";position:absolute;inset:48% 0 0;background:linear-gradient(180deg,transparent,rgba(3,14,28,.86))}
.loong-factory-label{position:absolute;z-index:1;left:14px;right:14px;bottom:13px;display:grid;gap:3px}
.loong-factory-label strong{font-size:14px}
.loong-factory-label small{color:rgba(255,255,255,.68);font-size:11px}
.loong-factory-gallery{display:contents}
.loong-factory-gallery figure{margin:0;overflow:hidden;display:flex;flex-direction:column}
.loong-factory-gallery img{width:100%;height:auto;min-height:0;flex:1;object-fit:cover;display:block}
.loong-factory-gallery figcaption{flex:0 0 46px;padding:0 14px;color:rgba(255,255,255,.83);font-size:12px;line-height:1.4;display:flex;gap:11px;align-items:center}
.loong-factory-gallery figcaption i{color:var(--lh-green);font-size:16px}
.loong-products-showcase{background:#fff}
.loong-product-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.loong-product-card{text-decoration:none;color:var(--lh-ink);min-width:0}
.loong-product-image{position:relative;overflow:hidden;background:#f1f4f5;aspect-ratio:1.08}
.loong-product-image img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .4s ease}
.loong-product-card:hover .loong-product-image img{transform:scale(1.04)}
.loong-product-image span{position:absolute;right:14px;bottom:14px;background:#fff;color:var(--lh-navy);width:38px;height:38px;display:grid;place-items:center;font-size:17px}
.loong-product-card p{min-height:58px;font-size:14px;font-weight:700;line-height:1.4;margin:15px 0 8px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.loong-product-card small{font-size:12px;color:var(--lh-muted)}
.loong-product-card small i{margin-left:7px;color:var(--lh-green)}
.loong-application{min-height:620px;position:relative;background-image:linear-gradient(90deg,rgba(6,24,45,.95) 0%,rgba(6,24,45,.74) 48%,rgba(6,24,45,.1) 100%),var(--loong-application-image);background-size:cover;background-position:center;color:#fff}
.loong-application-inner{min-height:620px;display:flex;align-items:center;justify-content:space-between;gap:50px}
.loong-application-copy{max-width:650px}
.loong-application h2{font-size:66px;line-height:.98;margin:0 0 28px;color:#fff}
.loong-application-copy>p:not(.loong-kicker){font-size:17px;line-height:1.7;color:rgba(255,255,255,.82);max-width:570px;margin-bottom:32px}
.loong-application-aside{border-left:1px solid rgba(255,255,255,.34);padding-left:25px;display:grid;gap:13px;min-width:240px}
.loong-application-aside span{font-size:11px;text-transform:uppercase;letter-spacing:0;color:var(--lh-green);margin-bottom:8px}
.loong-application-aside strong{font-size:15px;font-weight:500;color:#fff}
.loong-process{background:var(--lh-paper)}
.loong-process-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--lh-line);border-bottom:1px solid var(--lh-line)}
.loong-process-grid article{padding:30px 24px 32px 0;display:grid;grid-template-columns:44px 1fr;gap:17px;border-right:1px solid var(--lh-line);margin-right:24px}
.loong-process-grid article:last-child{border-right:0;margin-right:0}
.loong-process-icon{width:42px;height:42px;background:var(--lh-navy);color:#fff;display:grid;place-items:center;font-size:20px}
.loong-process-grid small{text-transform:uppercase;letter-spacing:0;font-size:10px;color:var(--lh-green);font-weight:700}
.loong-process-grid h3{font-size:18px;margin:7px 0 9px;color:var(--lh-navy)}
.loong-process-grid p{font-size:13px;color:var(--lh-muted);line-height:1.6;margin:0}
@keyframes loongHeroDrift{from{transform:scale(1.015) translate3d(0,0,0)}to{transform:scale(1.04) translate3d(-.35%,0,0)}}
@keyframes loongHeroEnter{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}
@keyframes loongHeroNudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
@media(max-width:1100px){.loong-hero{min-height:100vh}
.loong-hero h1{font-size:64px}
.loong-section-head h2{font-size:48px}
.loong-application h2{font-size:52px}
.loong-shell{width:min(100% - 56px,var(--lh-shell))}
.loong-category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.loong-category-image{height:142px}
.loong-factory-story{grid-template-columns:1fr;gap:40px}
.loong-factory-layout{grid-template-columns:repeat(3,minmax(0,1fr))}
.loong-factory-feature,.loong-factory-gallery figure{min-height:0}
.loong-product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.loong-process-grid{grid-template-columns:repeat(2,1fr)}
.loong-process-grid article:nth-child(2){border-right:0;margin-right:0}
.loong-process-grid article:nth-child(-n+2){border-bottom:1px solid var(--lh-line)}
}
@media(max-width:900px){.loong-section-head{display:block}
.loong-section-intro{max-width:620px;margin-top:26px}
.loong-factory .loong-section-intro{padding-top:0}
.loong-category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.loong-factory-layout{grid-template-columns:repeat(2,minmax(0,1fr))}
.loong-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.loong-hero-note{display:none}
.loong-application-inner{display:grid;align-content:center}
.loong-application-aside{grid-template-columns:repeat(2,minmax(0,1fr));min-width:0}
.loong-process-grid article{margin-right:14px;padding-right:14px}
}
@media(prefers-reduced-motion:reduce){.loong-hero:before,.loong-hero-copy>*,.loong-hero-scroll i{animation:none!important}.loong-home *{scroll-behavior:auto!important}}
@media(max-width:700px){.loong-home{display:none}
.loong-footer{display:none}
}