:root{--navy:#002056;--navy-deep:#00153a;--blue:#1f6fe5;--orange:#ff8a1c;--orange-ink:#1c0f00;--bg:#f3f5f8;--surface:#fff;--ink:#0e1a2b;--muted:#5b6b7f;--line:#d8dee7;--line-dark:#ffffff24;--on-navy:#e8eef7;--on-navy-muted:#9fb0c8;--f-display:"Barlow Condensed", "Arial Narrow", "Noto Sans", sans-serif;--f-body:"Noto Sans", "Helvetica Neue", Arial, sans-serif;--f-mono:"IBM Plex Mono", ui-monospace, Menlo, monospace;--wrap:1240px;--gutter:max(20px, env(safe-area-inset-left,0px));--radius:4px}*,:before,:after{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}body{background:var(--bg);color:var(--ink);font-family:var(--f-body);margin:0;font-size:16px;line-height:1.6}img{max-width:100%;display:block}a{color:inherit}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:2px solid 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var(--line-dark);color:#fff;border-radius:var(--radius);cursor:pointer;background:0 0;padding:7px 10px;display:none}@media (width<=1080px){.main-nav{background:var(--navy);padding:8px var(--gutter) 16px;border-bottom:1px solid var(--line-dark);flex-direction:column;gap:0;display:none;position:absolute;top:100%;left:0;right:0}.main-nav.open{display:flex}.main-nav a{border-bottom:1px solid var(--line-dark);padding:12px 0}.menu-btn{margin-inline-start:auto;display:inline-block}}@media (width<=560px){.header-quote{display:none}.logo img{height:36px}}.hero{color:#fff;background:var(--navy-deep);position:relative;overflow:hidden}.hero-bg{background-position:50% 60%;background-size:cover;position:absolute;inset:0}.hero:after{content:"";background:linear-gradient(90deg,#00153aeb 0%,#00153ac7 38%,#00153a26 75%),linear-gradient(#0000 60%,#00153a99);position:absolute;inset:0}.hero .wrap{z-index:1;padding-block:clamp(80px,12vw,150px) clamp(60px,8vw,96px);position:relative}.hero .eyebrow{color:var(--on-navy-muted)}.hero h1{text-transform:uppercase;max-width:11.5em;margin-top:18px;font-size:clamp(2.8rem,7vw,5.6rem)}.hero h1 em{color:var(--orange);font-style:normal}.hero .sub{max-width:36em;color:var(--on-navy);margin-top:22px;font-size:1.12rem}.hero .ctas{flex-wrap:wrap;gap:12px;margin-top:34px;display:flex}.hero .caption{inset-inline-end:var(--gutter);z-index:1;font-family:var(--f-mono);letter-spacing:.06em;color:#ffffffb3;text-transform:uppercase;font-size:.72rem;position:absolute;bottom:18px}@media (width<=700px){.hero .caption{display:none}}.stats{background:var(--navy);color:var(--on-navy);border-top:1px solid var(--line-dark)}.stats-grid{grid-template-columns:repeat(6,1fr);display:grid}.stat{border-inline-end:1px solid var(--line-dark);padding-block:26px;padding-inline:0 18px}.stat+.stat{padding-inline-start:18px}.stat:last-child{border-inline-end:0}.stat .v{font-family:var(--f-display);color:#fff;font-size:clamp(1.7rem,2.6vw,2.3rem);font-weight:700;line-height:1;display:block}.stat .v small{color:var(--orange);margin-inline-start:4px;font-size:.55em;font-weight:600}.stat .v2{margin-top:6px}.stat .l{color:var(--on-navy-muted);margin-top:8px;font-size:.8rem;line-height:1.4;display:block}@media (width<=1000px){.stats-grid{grid-template-columns:repeat(3,1fr)}.stat:nth-child(3n){border-inline-end:0}.stat:nth-child(-n+3){border-bottom:1px solid var(--line-dark)}.stat:nth-child(3n+1){padding-inline-start:0}}@media (width<=560px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stat{border-bottom:1px solid var(--line-dark);border-inline-end:1px solid var(--line-dark)!important;padding-inline-start:14px!important}.stat:nth-child(2n){border-inline-end:0!important}.stat:nth-child(odd){padding-inline-start:0!important}}.about-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;display:grid}.about-grid h2{margin-top:12px}.about-body{color:var(--muted);align-content:start;gap:16px;font-size:1.04rem;display:grid}.principles{border-top:1px solid var(--line);grid-template-columns:repeat(3,1fr);gap:0;margin-top:56px;display:grid}.principle{padding:26px 26px 0 0}.principle+.principle{border-inline-start:1px solid var(--line);padding-inline-start:26px}.principle .n{font-family:var(--f-mono);color:var(--orange);font-size:.8rem}.principle h3{margin:10px 0 8px}.principle p{color:var(--muted);font-size:.95rem}@media (width<=860px){.about-grid{grid-template-columns:1fr;gap:24px}.principles{grid-template-columns:1fr}.principle+.principle{border-inline-start:0;border-top:1px solid var(--line);padding-inline-start:0}.principle{padding-bottom:22px}}.apps{background:var(--surface);border-block:1px solid var(--line)}.industry{margin-top:36px}.industry:first-of-type{margin-top:0}.industry-head{border-bottom:2px solid var(--ink);align-items:baseline;gap:12px;padding-bottom:12px;display:flex}.industry-head h3{text-transform:uppercase;letter-spacing:.04em;font-size:1.15rem}.industry-head span{font-family:var(--f-mono);color:var(--muted);font-size:.78rem}.app-grid{grid-template-columns:repeat(var(--cols,4), minmax(0, 1fr));background:var(--line);border-bottom:1px solid var(--line);gap:1px;display:grid}.app-card{background:var(--surface);flex-direction:column;gap:8px;min-height:190px;padding:22px;text-decoration:none;display:flex;position:relative}.app-card .n{font-family:var(--f-mono);color:var(--muted);font-size:.78rem}.app-card h4{font-family:var(--f-display);text-transform:uppercase;margin:0;font-size:1.45rem;line-height:1.05}.app-card p{color:var(--muted);flex:1;font-size:.9rem}.app-card .spec{font-family:var(--f-mono);color:var(--ink);font-size:.78rem}.app-card .go{color:var(--blue);font-size:.82rem;font-weight:600}.app-card{grid-column:span 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h3{text-transform:uppercase;font-size:2rem}.scenario-title p{color:var(--muted)}.plans{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.plan{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);flex-direction:column;min-width:0;display:flex}.plan.featured{border-color:var(--navy);box-shadow:0 0 0 1px var(--navy)}.plan-head{border-bottom:1px solid var(--line);padding:20px 22px 16px}.plan-head .tag{font-family:var(--f-mono);color:var(--orange);letter-spacing:.08em;font-size:.75rem}.plan-head h4{font-family:var(--f-display);margin:6px 0 10px;font-size:1.4rem;line-height:1.1}.plan-head .dims{font-family:var(--f-mono);gap:18px;font-size:.82rem;display:flex}.plan-head .dims span b{color:var(--muted);margin-inline-end:6px;font-weight:500}.plan-list{flex:1;margin:0;padding:6px 22px;list-style:none}.plan-list li{border-bottom:1px dashed var(--line);grid-template-columns:7.2em minmax(0,1fr);gap:10px;padding:9px 0;font-size:.9rem;display:grid}.plan-list li:last-child{border-bottom:0}.plan-list .k{color:var(--muted);font-size:.82rem}.model-link{font-family:var(--f-mono);color:var(--blue);text-underline-offset:3px;cursor:pointer;text-align:start;background:0 0;border:0;padding:0;font-size:.86rem;text-decoration:underline #1f6fe559}.model-link:hover{text-decoration-color:var(--blue)}.plan-note{color:var(--muted);padding:0 22px 16px;font-size:.85rem}.plan-foot{border-top:1px solid var(--line);padding:14px 22px 20px}.plan-foot .btn{width:100%}@media (width<=1000px){.plans{grid-template-columns:1fr}}.products{background:var(--surface);border-block:1px solid var(--line)}.pt-tools{gap:14px;margin-bottom:18px;display:grid}.tabs{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:0;display:flex}.tab{cursor:pointer;color:var(--muted);background:0 0;border:0;border-bottom:2px solid #0000;margin-bottom:-1px;padding:10px 16px;font-weight:500}.tab[aria-selected=true]{color:var(--ink);border-bottom-color:var(--orange)}.tab .c{font-family:var(--f-mono);color:var(--muted);margin-inline-start:6px;font-size:.75rem}.pt-row{flex-wrap:wrap;align-items:center;gap:10px 14px;display:flex}.pt-row .search{flex:260px;min-width:0}.field-in{border:1px solid var(--line);background:var(--bg);border-radius:var(--radius);width:100%;padding:10px 12px}.field-in:focus{outline:2px solid var(--blue);outline-offset:0;border-color:#0000}.filters{flex-wrap:wrap;gap:10px;display:flex}.filters label{color:var(--muted);align-items:center;gap:6px;font-size:.85rem;display:flex}.filters select{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);padding:7px 8px;font-size:.85rem}.seg{border:1px solid var(--line);border-radius:var(--radius);display:inline-flex;overflow:hidden}.seg button{background:var(--surface);cursor:pointer;border:0;padding:7px 12px;font-size:.82rem}.seg 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.btn+.btn{margin-inline-start:6px}.cat-dot{vertical-align:middle;border-radius:50%;width:8px;height:8px;margin-inline-end:8px;display:inline-block}.cat-compressor{background:var(--blue)}.cat-rig{background:var(--orange)}.cat-tool{background:var(--ink)}.cat-pipe{background:var(--muted)}.pt-empty{text-align:center;color:var(--muted);padding:28px}.pipe-note{color:var(--muted);margin-top:12px;font-size:.85rem}.modal{z-index:100;padding:max(16px, env(safe-area-inset-top,0px)) var(--gutter) max(16px, env(safe-area-inset-bottom,0px));place-items:center;display:grid;position:fixed;inset:0}.modal-backdrop{background:#00153a99;position:absolute;inset:0}.modal-box{background:var(--surface);border-radius:var(--radius);width:min(720px,100%);max-height:min(86vh,900px);position:relative;overflow:auto;box-shadow:0 30px 80px #00000059}.modal-head{background:var(--navy);color:#fff;justify-content:space-between;align-items:start;gap:16px;padding:22px 24px;display:flex;position:sticky;top:0}.modal-head .t{font-family:var(--f-mono);color:var(--on-navy-muted);font-size:.78rem}.modal-head h3{font-family:var(--f-mono);letter-spacing:0;margin-top:6px;font-size:1.4rem}.modal-close{border:1px solid var(--line-dark);color:#fff;border-radius:var(--radius);cursor:pointer;background:0 0;flex:none;width:36px;height:36px;font-size:1.1rem}.modal-body{padding:8px 24px 24px}.spec-table{border-collapse:collapse;width:100%;font-size:.92rem}.spec-table th{text-align:start;color:var(--muted);border-bottom:1px solid var(--line);vertical-align:top;width:42%;padding-block:10px;padding-inline:0 16px;font-weight:500}.spec-table td{border-bottom:1px solid var(--line);font-family:var(--f-mono);padding:10px 0;font-size:.86rem}.modal-foot{padding:0 24px 24px}.factory-grid{grid-template-columns:1.3fr 1fr;gap:18px;display:grid}.photo-slot{border-radius:var(--radius);color:var(--muted);font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.08em;background:repeating-linear-gradient(135deg,#e7ebf1 0 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solid var(--line);padding-inline-start:0}.fact{padding-bottom:20px}}.cases{background:var(--navy);color:var(--on-navy)}.cases h2{color:#fff}.cases .eyebrow{color:var(--on-navy-muted)}.case-grid{grid-template-columns:repeat(2,1fr);gap:18px;display:grid}.case{border:1px solid var(--line-dark);border-radius:var(--radius);align-content:start;gap:16px;padding:28px;display:grid}.case .meta{font-family:var(--f-mono);color:var(--on-navy-muted);text-transform:uppercase;letter-spacing:.06em;flex-wrap:wrap;gap:8px 16px;font-size:.78rem;display:flex}.case .meta b{color:var(--orange);font-weight:500}.case h3{color:#fff;font-size:1.6rem}.case dl{gap:12px;margin:0;display:grid}.case dt{font-family:var(--f-mono);color:var(--on-navy-muted);text-transform:uppercase;letter-spacing:.08em;font-size:.75rem}.case dd{margin:2px 0 0;font-size:.95rem}.case .model-link{color:#8fb8ff}@media (width<=860px){.case-grid{grid-template-columns:1fr}}.contact-grid{grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);gap:56px;display:grid}.contact-grid h2{margin-top:12px}.contact-grid .lede{color:var(--muted);margin-top:16px}.contact-info{gap:18px;margin-top:32px;display:grid}.ci .k{font-family:var(--f-mono);text-transform:uppercase;letter-spacing:.08em;color:var(--muted);font-size:.75rem;display:block}.ci .v{flex-wrap:wrap;align-items:center;gap:10px;margin-top:2px;display:flex}.ci .v span{user-select:all}.copy-btn{border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);cursor:pointer;color:var(--muted);padding:3px 9px;font-size:.75rem}form.quote{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);grid-template-columns:1fr 1fr;gap:16px;padding:28px;display:grid}.fld{gap:6px;min-width:0;display:grid}.fld.full{grid-column:1/-1}.fld label{font-size:.85rem;font-weight:600}.fld .req{color:var(--orange)}.fld textarea{resize:vertical;min-height:120px}.form-foot{flex-wrap:wrap;grid-column:1/-1;align-items:center;gap:16px;display:flex}.form-msg{font-size:.9rem}.form-msg.ok{color:#1d7a46}.form-msg.err{color:#b42318}@media (width<=860px){.contact-grid{grid-template-columns:1fr;gap:32px}}@media (width<=560px){form.quote{grid-template-columns:1fr;padding:20px}}.site-footer{background:var(--navy-deep);color:var(--on-navy-muted);padding-bottom:env(safe-area-inset-bottom,0px);font-size:.88rem}.site-footer .wrap{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px;padding-block:32px;display:flex}.site-footer img{width:auto;height:36px}.site-footer a{color:var(--on-navy)}:root:lang(zh){--f-body:"Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;--f-display:"Barlow Condensed", "Noto Sans SC", "PingFang SC", sans-serif}:lang(zh) h1,:lang(zh) h2,:lang(zh) h3,:lang(zh) .app-card h4,:lang(zh) .plan-head h4{letter-spacing:.02em}:lang(zh) h2{font-size:clamp(1.9rem,3.4vw,2.7rem)}:lang(zh) .hero h1{font-size:clamp(2.4rem,5.4vw,4.4rem);line-height:1.15}.svc-hero{background:var(--navy);color:var(--on-navy)}.svc-hero-in{grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);align-items:center;gap:48px;padding-block:clamp(48px,7vw,88px) 40px;display:grid}.svc-hero.no-img .svc-hero-in{grid-template-columns:minmax(0,1fr)}.svc-hero .eyebrow{color:var(--on-navy-muted)}.svc-hero h1{text-transform:uppercase;color:#fff;max-width:14em;margin-top:14px;font-size:clamp(2.4rem,5vw,4rem)}.svc-hero .sub{max-width:38em;margin-top:18px;font-size:1.06rem}.svc-hero .ctas{flex-wrap:wrap;gap:12px;margin-top:28px;display:flex}.svc-img img{aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);background:#fff;width:100%}.crumbs{color:var(--on-navy-muted);gap:8px;margin-bottom:18px;font-size:.8rem;display:flex}.crumbs a{color:var(--on-navy);text-decoration:none}.svc-figs{grid-template-columns:repeat(var(--n,4), minmax(0, 1fr));border-top:1px solid var(--line-dark);display:grid}.svc-figs .stat:nth-child(n){border-bottom:0}.svc-points{border-top:1px solid var(--line);grid-template-columns:repeat(4,1fr);display:grid}.svc-points .principle:first-child{padding-inline-start:0}.svc-apps{--cols:3}@media (width<=1000px){.svc-hero-in{grid-template-columns:1fr}.svc-points{grid-template-columns:repeat(2,1fr)}.svc-points .principle:nth-child(3){border-inline-start:0;padding-inline-start:0}}@media (width<=700px){.svc-figs{grid-template-columns:repeat(2,1fr)}.svc-points{grid-template-columns:1fr}.svc-points .principle{border-inline-start:0!important;padding-inline-start:0!important}.svc-points .principle+.principle{border-top:1px solid var(--line)}}.faq-sec{background:var(--surface);border-top:1px solid var(--line)}.faq-grid{grid-template-columns:minmax(0,.8fr) minmax(0,1.4fr);gap:48px;display:grid}.faq-grid h2{margin-top:12px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line)}.faq summary{cursor:pointer;justify-content:space-between;gap:20px;padding:18px 0;font-size:1.04rem;font-weight:600;list-style:none;display:flex}.faq summary::-webkit-details-marker{display:none}.faq .pm{font-family:var(--f-mono);color:var(--muted);flex:none;transition:transform .2s}.faq details[open] .pm{transform:rotate(45deg)}.faq details p{color:var(--muted);max-width:52em;padding-bottom:18px}@media (width<=860px){.faq-grid{grid-template-columns:1fr;gap:20px}}.related{background:var(--bg);border-top:1px solid var(--line)}.related-in{flex-wrap:wrap;align-items:center;gap:14px 28px;padding-block:26px;display:flex}.related-links{flex-wrap:wrap;gap:10px 22px;display:flex}.related-links a{color:var(--blue);font-size:.95rem;font-weight:500;text-decoration:none}.related-links a:hover{text-decoration:underline}.legal{max-width:760px}.legal h1{text-transform:uppercase;font-size:clamp(2.2rem,4vw,3rem)}.legal .updated{color:var(--muted);font-family:var(--f-mono);margin:10px 0 30px;font-size:.85rem}.legal section{margin-top:26px}.legal h2{margin-bottom:8px;font-size:1.5rem}.legal p+p{margin-top:10px}.foot-links{flex-wrap:wrap;gap:8px 18px;display:flex}.foot-links a{color:var(--on-navy);font-size:.85rem;text-decoration:none}.foot-links a:hover{text-decoration:underline}[dir=rtl] .hero:after{background:linear-gradient(270deg,#00153aeb 0%,#00153ac7 38%,#00153a26 75%),linear-gradient(#0000 60%,#00153a99)}[dir=rtl] .arrow{display:inline-block;transform:scaleX(-1)}[dir=rtl] .btn:hover .arrow{transform:scaleX(-1)translate(3px)}[dir=rtl] .eyebrow,[dir=rtl] h1,[dir=rtl] h2,[dir=rtl] h3{letter-spacing:0}[dir=rtl] .mono,[dir=rtl] .pt td.model,[dir=rtl] .pt td.key,[dir=rtl] .spec-table td,[dir=rtl] .model-link{direction:ltr;unicode-bidi:isolate}[dir=rtl] .spec-table td{text-align:end}:root:lang(ru){--f-display:"Roboto Condensed", "Arial Narrow", "Noto Sans", sans-serif}:root:lang(ar){--f-body:"Noto Sans Arabic", Tahoma, sans-serif;--f-display:"Noto Sans Arabic", Tahoma, sans-serif}:root:lang(ur){--f-body:"Noto Naskh Arabic", "Noto Sans Arabic", Tahoma, sans-serif;--f-display:"Noto Sans Arabic", Tahoma, sans-serif}:root:lang(bn){--f-body:"Noto Sans Bengali", sans-serif;--f-display:"Noto Sans Bengali", sans-serif}:root:lang(th){--f-body:"Noto Sans Thai", sans-serif;--f-display:"Noto Sans Thai", sans-serif}:root:lang(ne){--f-body:"Noto Sans Devanagari", sans-serif;--f-display:"Noto Sans Devanagari", sans-serif}:lang(ar) h1,:lang(ar) h2,:lang(ur) h1,:lang(ur) h2,:lang(bn) h1,:lang(bn) h2,:lang(th) h1,:lang(th) h2,:lang(ne) h1,:lang(ne) h2{line-height:1.3}:lang(ar) .hero h1,:lang(ur) .hero h1,:lang(bn) .hero h1,:lang(th) .hero h1,:lang(ne) .hero h1{font-size:clamp(2.2rem,5vw,4rem)}:lang(ur) body{line-height:1.9}:is(:lang(ar),:lang(ur),:lang(bn),:lang(th),:lang(ne),:lang(zh)) :is(.eyebrow,.plan-head .tag,.industry-head span,.case .meta,.case dt,.tech .lbl,.ci .k,.scenario-bar .grp,.hero .caption,.photo-slot,.legal .updated){font-family:var(--f-body);letter-spacing:0;text-transform:none}.tech{gap:10px;display:grid}.tech-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.tech-row .grp{min-width:88px;margin-inline-end:6px;font-size:.9rem;font-weight:600}.case .kit{flex-wrap:wrap;gap:6px 14px;display:flex}.case-more{margin-top:18px}.case-more[hidden]{display:none}.case.typical{border-style:dashed}.case .meta .tag{color:var(--navy);background:var(--on-navy);border-radius:999px;padding:1px 8px}.case-note{color:var(--on-navy-muted);grid-column:1/-1;margin:0;font-size:.85rem}.cases .case-toggle{color:#fff;background:0 0;border-color:#ffffff73;margin-top:22px}.cases .case-toggle:hover{color:#fff;background:#ffffff14}.pt-visual{margin:6px 0 22px}.pv{margin:0}.pv[hidden]{display:none}.pv-photo img{mix-blend-mode:multiply;width:100%;max-width:900px;height:auto;margin-inline:auto;display:block;-webkit-mask-image:linear-gradient(#000 72%,#0000);mask-image:linear-gradient(#000 72%,#0000)}.pv-slot{aspect-ratio:3;min-height:0}@media (width<=560px){.pv-slot{aspect-ratio:16/9}}.hp{opacity:0;width:1px;height:1px;position:absolute;left:-9999px}