:root{--ink:#143946;--ink-deep:#082b38;--muted:#607580;--line:#dce6e8;--cool:#f3f7f7;--teal:#227f89;--mint:#bde9e5;--shell:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:108px}body{margin:0;font:400 16px/1.75 -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans CJK SC",Arial,sans-serif;color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}img{display:block;max-width:100%}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3{line-height:1.35;letter-spacing:-.025em}button,a,input{-webkit-tap-highlight-color:transparent}button{color:inherit}a,button,input{touch-action:manipulation}[hidden]{display:none!important}::selection{background:#c9eeeb;color:#143946}:focus-visible{outline:3px solid #278997;outline-offset:5px}button:focus-visible{outline-offset:-4px}a{transition:color .2s}svg{display:block}.shell{width:min(var(--shell),calc(100% - 96px));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link{position:fixed;z-index:200;top:-80px;left:20px;padding:12px;background:#fff}.skip-link:focus{top:12px}
/* Shared header and navigation */
.site-header{position:sticky;top:0;z-index:60;background:#fffffff5;border-bottom:1px solid #e8eeee;backdrop-filter:blur(14px)}.header-inner{height:82px;display:flex;align-items:center;gap:36px}.brand{display:inline-flex;flex-direction:column;line-height:1.15;white-space:nowrap}.brand-cn{font-size:25px;font-weight:750;letter-spacing:.09em}.brand-dot{color:#2a9a9e;font-size:35px;line-height:0;margin-left:3px}.brand-en{font-size:9px;letter-spacing:.16em;color:#6c858e;margin-top:8px}.nav-main{display:flex;gap:32px;margin-left:auto;align-items:center}.nav-main a{font-size:14px;padding:28px 0 25px;border-bottom:2px solid transparent;color:#405c66}.nav-main a:hover,.nav-main a[aria-current]{border-color:#2a8c95;color:#1c7682}.header-contact{display:flex;gap:24px;align-items:center;font-size:14px;border:1px solid #cddbdd;border-radius:3px;padding:10px 17px;white-space:nowrap}.header-contact:hover{background:var(--ink);color:#fff}.nav-toggle,.nav-mobile{display:none}
/* Type, spacing, and restrained interaction */
.section{padding:94px 0}.section-cool{background:var(--cool)}.small-top{padding-top:58px}.eyebrow{display:flex;gap:13px;align-items:center;color:#287c87;font-size:11px;font-weight:500;letter-spacing:.12em}.eyebrow>span:first-child{color:#7e949c}.eyebrow i{font-style:normal;color:#a1b5bc}.section-intro{margin-bottom:36px}.section-intro-row{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-top:19px}.section-intro h2,.trust-copy h2,.about-columns h2{font-size:clamp(29px,3vw,40px);font-weight:650;line-height:1.4}.section-intro p{font-size:15px;line-height:1.9;color:var(--muted);max-width:700px;margin-top:17px}.text-link{display:inline-flex;align-items:center;gap:24px;min-height:40px;border-bottom:1px solid #afc7cd;padding:5px 0;font-size:14px;white-space:nowrap}.text-link:hover{color:#218591}.arrow{font-size:20px;line-height:1;font-weight:400}.section-intro .text-link{margin-bottom:3px;flex-shrink:0}.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:35px;min-height:50px;padding:0 21px;border-radius:3px;border:1px solid transparent;font-size:14px;font-weight:550;transition:background .2s,transform .2s}.btn:hover{transform:translateY(-2px)}.btn-dark{background:#193f4c;color:#fff}.btn-dark:hover{background:#2c5c68}.btn-light{background:#edf7f5;color:#173f4b}.btn-light:hover{background:#fff}.btn-mint{background:#bde9e5;color:#123d49}.btn-mint:hover{background:#dcf5f0}.subhead{font-size:11px;letter-spacing:.14em;color:#3d8590}.secondary-note,.diagram-note{margin-top:23px;color:#6f858e;font-size:12px;line-height:1.9}.diagram-note{margin-top:17px}.tags{display:flex;flex-wrap:wrap;gap:7px}.tags span{background:#eef4f3;color:#4c6c76;font-size:11px;line-height:1.6;padding:4px 9px;border-radius:2px}
/* Homepage / image-backed hero */
.hero{position:relative;isolation:isolate;color:#edf8fa;background:#071f2c;overflow:hidden}.gas-hero-art{position:absolute;inset:0;z-index:-2;pointer-events:none}.gas-hero-art img{width:100%;height:100%;max-width:none;object-fit:cover;object-position:center 54%}.gas-hero-shade{position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,#071f2cf5 0%,#071f2ce6 25%,#071f2c9c 44%,#071f2c05 76%),linear-gradient(0deg,#071f2c 0%,transparent 40%)}.hero-layout{min-height:606px;display:flex;align-items:center;padding:70px 0}.hero-copy{max-width:570px}.hero-kicker{display:flex;align-items:center;gap:11px;font-size:12px;letter-spacing:.13em;color:#a8cad3;margin-bottom:25px}.hero-kicker>span{width:24px;height:1px;background:#89d0d4}.hero h1{font-size:clamp(43px,4.2vw,59px);font-weight:600;line-height:1.3;letter-spacing:-.025em}.hero h1 em{font-style:normal;font-weight:500;color:#ade4e4}.hero-copy>p{font-size:15px;line-height:2;color:#b7ced6;margin-top:25px}.hero-actions{display:flex;align-items:center;gap:27px;flex-wrap:wrap;margin-top:32px}.hero-minor{display:flex;align-items:center;gap:17px;font-size:14px;min-height:46px;color:#d2e6ec}.hero-minor:hover{color:#bde9e5}.hero-minor>span{font-size:20px}.hero-facts{display:flex;gap:19px;align-items:center;font-size:12px;color:#94b6c2;margin-top:38px}.hero-facts i{font-style:normal;color:#5a8a9c}.gas-scene-label{position:absolute;right:max(6%,calc((100% - 1200px)/2));top:18%;display:flex;align-items:center;gap:12px;background:#0b293ac4;border:1px solid #a2ccd333;border-radius:4px;padding:12px 16px;backdrop-filter:blur(8px);pointer-events:none}.gas-scene-label svg{width:27px;height:27px;color:#8fcbd4}.gas-scene-label strong{font-size:12px;font-weight:500;display:block}.gas-scene-label div>span{display:block;font-size:10px;color:#98b9c7;margin-top:3px}.hero-caption{position:absolute;right:max(4%,calc((100% - 1200px)/2));bottom:88px;font-size:10px;color:#91acb7}.hero-bottom{border-top:1px solid #a1c9d225;background:#071f2cd9}.hero-bottom-inner{display:flex;justify-content:space-between;align-items:center;gap:25px;min-height:67px;font-size:11px;color:#9cbac5}.hero-bottom a{display:flex;align-items:center;gap:25px;min-height:44px;color:#c1dce2}.hero a:focus-visible{outline-color:#c1eeed}
/* Industry diagrams, with distinct visual subjects */
.solutions-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:25px}.solution-card{padding:28px 30px 22px;background:#eef6f7;border:1px solid #dbe8ea;border-radius:5px;overflow:hidden;transition:transform .25s,box-shadow .25s}.solution-card:hover{transform:translateY(-4px);box-shadow:0 16px 32px #2049560d}.gas-card{background:#f8f4ed;border-color:#e9e1d3}.solution-top{display:flex;align-items:center;justify-content:space-between}.solution-top small{font-size:10px;letter-spacing:.15em;color:#4b8592}.solution-top svg{width:25px;height:25px;color:#4b8c9a}.gas-card .solution-top small,.gas-card .solution-top svg{color:#9b7b43}.solution-card h3{font-size:27px;font-weight:600;margin-top:17px}.solution-card>p{font-size:14px;line-height:1.9;color:#637c86;margin-top:13px}.solution-card>img{width:calc(100% + 24px);max-width:none;height:auto;margin:20px -12px 12px}.solution-bottom{border-top:1px solid #b4cfd350;display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:17px;font-size:11px;color:#557682}.solution-bottom strong{display:inline-flex;align-items:center;gap:12px;font-size:12px;font-weight:500;white-space:nowrap}.gas-card .solution-bottom{border-color:#d3c3a659;color:#8c7451}
/* Products: preserve aspect ratios and use individual optical sizing */
.products-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{min-width:0;border:1px solid #dde7e8;border-radius:5px;overflow:hidden;background:#fff;display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s}.product-card:hover{transform:translateY(-4px);box-shadow:0 13px 30px #244b5810}.product-image{height:284px;position:relative;display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fff;border-bottom:1px solid #e9efef;padding:34px 26px 20px}.product-image img{object-fit:contain;width:auto;max-width:85%;height:auto;max-height:224px;transition:transform .4s}.product-marker .product-image img{max-height:216px}.product-collector .product-image img{width:100%;max-width:100%;max-height:165px}.product-type{position:absolute;left:20px;top:15px;font-size:11px;color:#68808a}.circle-arrow{position:absolute;right:18px;bottom:17px;display:grid;place-items:center;width:31px;height:31px;border-radius:50%;border:1px solid #d6e1e3;color:#567681;font-size:18px}.product-card:hover .circle-arrow{background:#173f4c;border-color:#173f4c;color:#fff}.product-info{display:flex;flex-direction:column;flex:1;padding:23px 23px 20px}.product-info small{font-size:11px;color:#617d88;letter-spacing:.04em;min-height:20px}.product-info h3{font-size:21px;font-weight:600;margin:8px 0 13px}.product-info h3 a:hover{color:#227f89}.product-info>p{font-size:13px;line-height:1.95;color:#657b85;flex:1;margin-bottom:22px}.product-scene{border-top:1px solid #e9eeee;margin-top:23px;padding-top:15px;font-size:10px;color:#7a8f98}.product-scene span{display:block;color:#4c6b77;font-size:11px;margin-top:4px}.product-toolbar{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);padding-bottom:25px;margin-bottom:32px}.product-filters{display:flex;flex-wrap:wrap;gap:5px}.product-filters button{border:0;background:transparent;border-radius:3px;min-height:44px;padding:8px 15px;font-size:13px;color:#5c7580}.product-filters button[aria-pressed="true"]{background:var(--ink);color:#fff}.product-filters button:hover{background:#e5efef;color:#183e4c}.product-search{display:flex;align-items:center;gap:11px;border:1px solid #cedcdf;padding:7px 12px;border-radius:3px;min-width:245px}.product-search:focus-within{outline:2px solid #278997;outline-offset:2px}.product-search svg{width:18px;height:18px;color:#6c8b96}.product-search input{outline:0;border:0;background:transparent;width:100%;min-width:0;font-size:12px;min-height:29px;color:var(--ink)}.product-empty{text-align:center;padding:55px 20px;color:#627d86}
/* Platform: screenshot plus task explanation */
.platform-showcase{border:1px solid #d9e5e7;border-radius:5px;overflow:hidden;background:#f4f8f8}.platform-tabs{display:flex;background:#fff;border-bottom:1px solid #d9e5e7}.platform-tabs button{flex:1;display:flex;justify-content:center;align-items:center;gap:13px;border:0;border-right:1px solid #e2eaea;padding:18px 12px;min-height:60px;background:#fff;font-size:14px;color:#607c87;transition:background .2s}.platform-tabs button:last-child{border-right:0}.platform-tabs button span{font-size:10px;color:#7b929b}.platform-tabs button[aria-selected="true"]{background:#173f4b;color:#fff}.platform-tabs button[aria-selected="true"] span{color:#9ed4d6}.platform-panel{display:grid;grid-template-columns:minmax(0,1fr) 290px;align-items:center;gap:30px;padding:26px}.platform-visual{min-width:0;box-shadow:0 15px 25px #1d3b4b12;border:1px solid #d2dfe3;border-radius:5px;overflow:hidden;background:#0e1625}.window-bar{display:flex;justify-content:space-between;align-items:center;gap:10px;padding:11px 13px;color:#8099ab;font-size:9px;background:#182334}.window-dots{display:flex;gap:5px}.window-dots i{width:5px;height:5px;border-radius:50%;background:#516474}.window-bar>span:last-child{font-size:8px}.platform-screen{width:100%;aspect-ratio:8/5;position:relative;display:block;border:0;padding:0;background:#0d1321;overflow:hidden}.platform-screen>img{width:100%;height:100%;object-fit:contain;transform-origin:57% 20%;transition:transform .45s}.platform-screen.is-detail>img{transform:scale(1.7)}.crop-gis>img{transform-origin:57% 52%}.crop-alert>img{transform-origin:57% 28%}.image-zoom{position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:12px;padding:8px 12px;background:#123d4de8;border:1px solid #6b9ea35c;color:#e3f1f6;font-size:10px;border-radius:3px}.image-zoom .arrow{font-size:16px}.screen-caption{display:flex;justify-content:space-between;gap:8px;font-size:9px;color:#99b0c0;padding:9px 13px;border-top:1px solid #233141}.screen-caption>span:last-child{color:#7b91a4}.platform-story{padding:12px 4px}.platform-story h3{font-size:26px;font-weight:600;line-height:1.5;margin:17px 0}.platform-story>p{font-size:13px;line-height:1.95;color:#657f89}.platform-story ul{list-style:none;padding:0;margin:23px 0;font-size:12px;color:#456b77}.platform-story li{padding:8px 0 8px 16px;position:relative}.platform-story li:before{content:"";position:absolute;left:0;top:18px;width:4px;height:4px;background:#4e999f;border-radius:50%}.detail-toggle{background:transparent;border:0;border-bottom:1px solid #a7c6cc;font-size:12px;justify-content:space-between;width:100%;min-height:44px;white-space:normal;text-align:left}.detail-toggle>span{font-size:19px}
/* Interactive explanation; static and readable when scripts are unavailable */
.process-showcase{display:grid;grid-template-columns:330px minmax(0,1fr);border:1px solid #d5e3e5;border-radius:5px;background:#fff;overflow:hidden}.process-tabs{display:flex;flex-direction:column;background:#edf4f4;border-right:1px solid #d5e3e5;padding:18px}.process-tabs button{display:flex;align-items:center;gap:17px;flex:1;min-height:112px;border:1px solid transparent;border-bottom-color:#d6e3e4;text-align:left;background:transparent;padding:20px 17px;transition:background .2s}.process-tabs button:last-child{border-bottom-color:transparent}.process-tabs button[aria-selected="true"]{border-color:#cbdddf;background:#fff;border-radius:4px;box-shadow:0 4px 15px #294e5b08}.process-tabs button>span{font-size:11px;color:#65909a}.process-tabs strong{display:block;font-size:18px;font-weight:550}.process-tabs small{display:block;font-size:11px;line-height:1.7;color:#6c858e;margin-top:7px}.process-tabs i{margin-left:auto;font-size:18px;font-style:normal;color:#7c9ca5}.process-stage{padding:27px 37px}.process-stage-top{display:flex;align-items:center;justify-content:space-between;gap:20px;font-size:10px;color:#7c949d;letter-spacing:.08em}.process-diagram{width:100%;height:auto;max-height:210px;margin:6px auto 15px}.process-node{color:#87a6ae;transition:color .35s}.process-node circle{transition:fill .35s,stroke .35s}[data-process-state="0"] .node-0,[data-process-state="1"] .node-1,[data-process-state="2"] .node-2{color:#217e89}[data-process-state="0"] .node-0 circle,[data-process-state="1"] .node-1 circle,[data-process-state="2"] .node-2 circle{fill:#e3f1ee;stroke:#70afb1}.flow-path{animation:flow 12s linear infinite;animation-play-state:paused}.is-in-view .flow-path{animation-play-state:running}@keyframes flow{to{stroke-dashoffset:-216}}.process-description h3{font-size:23px;font-weight:550;margin-bottom:12px}.process-description p{color:#647f89;font-size:13px;line-height:1.95;max-width:590px;min-height:51px}.process-description>span{display:block;margin-top:20px;color:#45838e;font-size:11px;letter-spacing:.03em}
/* Trust and evidence */
.trust-section{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.trust-copy h2{margin:22px 0}.trust-copy>p{font-size:14px;line-height:2;color:#657d87;margin-bottom:24px}.trust-evidence{border-top:1px solid #cadcde}.trust-evidence>a{position:relative;display:block;padding:28px 35px 28px 0;border-bottom:1px solid #cadcde}.trust-evidence>a>span:first-child{font-size:10px;letter-spacing:.12em;color:#42848d}.trust-evidence h3{font-size:22px;font-weight:550;margin:10px 0}.trust-evidence p{font-size:13px;line-height:1.9;color:#6c828c;max-width:390px}.trust-evidence .arrow{position:absolute;right:0;top:32px;color:#54848d}.trust-evidence>a:hover h3{color:#268490}.cta{background:#173f4b;padding:63px 0;color:#fff}.cta-inner{display:flex;justify-content:space-between;align-items:center;gap:45px}.cta .subhead{color:#a3c5ce;font-size:10px}.cta h2{font-size:clamp(26px,2.8vw,36px);font-weight:550;margin:14px 0}.cta p{color:#b8ced4;font-size:13px;line-height:1.9}.cta .btn{flex-shrink:0;min-width:179px}
/* Footer */
.site-footer{background:#082b38;color:#abc4cd;padding:64px 0 0}.footer-grid{display:grid;grid-template-columns:1.4fr .9fr .9fr 1.2fr;gap:46px}.footer-brand{color:#f1f9fa;margin-bottom:23px}.footer-brand .brand-en{color:#91afb9}.site-footer p{font-size:12px;color:#8faeb9;line-height:1.9}.footer-location{margin-top:27px}.site-footer h2{font-size:13px;font-weight:500;color:#e4eff2;margin:3px 0 22px}.footer-grid>div>a:not(.brand){display:block;font-size:12px;margin-bottom:12px;min-height:25px}.footer-grid a:hover{color:#fff}.footer-positioning{border-left:1px solid #375560;padding-left:28px}.footer-positioning>span{font-size:9px;letter-spacing:.13em;color:#84a6b3}.footer-positioning>p{font-size:16px;color:#c0d2d8;margin-top:17px}.footer-positioning>a{margin-top:25px;color:#a5c5d0}.footer-positioning>a>span{margin-left:20px}.footer-bottom{display:flex;gap:25px;align-items:center;font-size:10px;color:#86a5b2;border-top:1px solid #294b58;margin-top:52px;padding:22px 0}.footer-bottom>span:nth-child(2){margin-left:auto}.footer-bottom>a{min-height:30px;display:flex;align-items:center}
/* Interior page structures */
.inner-mast{padding:70px 0;background:linear-gradient(110deg,#f2f7f7,#eaf2f2);border-bottom:1px solid #dce8e9}.inner-mast h1{font-size:clamp(32px,3.7vw,48px);font-weight:600;margin-top:24px;max-width:1000px}.inner-mast p{font-size:15px;line-height:1.95;color:#647e88;margin-top:21px;max-width:790px}.mast-links{display:flex;flex-wrap:wrap;gap:12px 28px;margin-top:30px}.mast-links a{font-size:13px;min-height:32px;border-bottom:1px solid #afc6cd}.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:35px}.guide-grid article{padding:23px 0 0;border-top:1px solid #c6dadd}.guide-grid article>span{font-size:11px;color:#4a929c}.guide-grid h3{font-size:21px;font-weight:550;margin:19px 0 12px}.guide-grid p{font-size:14px;line-height:1.95;color:#657e88}.solution-detail{display:grid;grid-template-columns:1fr 1fr;gap:68px;align-items:center}.solution-detail.reverse .detail-copy{order:2}.detail-copy h2{font-size:34px;font-weight:600;margin:22px 0}.detail-copy>p{font-size:14px;line-height:2;color:#617a85}.scene-note{margin-top:25px;padding:17px 19px;background:#f1f6f6;border-left:2px solid #83b4ba}.scene-note strong{font-size:12px;font-weight:550}.scene-note p{font-size:12px;line-height:1.9;color:#647e87;margin-top:6px}.section-cool .scene-note{background:#fff}.feature-list{margin:22px 0 28px}.feature-list>div{display:flex;gap:20px;padding:17px 0;border-bottom:1px solid #dce6e7}.feature-list>div>span{font-size:11px;color:#4f8e99;padding-top:3px}.feature-list h3{font-size:15px;font-weight:550}.feature-list p{font-size:12px;line-height:1.9;color:#69828b;margin-top:6px}.detail-art{background:#edf5f6;border:1px solid #dce8e9;padding:25px 15px 22px;border-radius:5px}.gas-art{background:#f8f4ed;border-color:#e8e0d4}.detail-art img{width:100%;height:auto}.detail-art>span{display:block;text-align:center;color:#728993;font-size:10px;margin-top:14px}.solution-kit{margin:25px 0 0;padding:0 12px}.solution-kit small{color:#74909b;font-size:11px}.solution-kit h3{font-size:19px;font-weight:550;margin:9px 0 15px;line-height:1.6}.solution-kit a{display:inline-flex;align-items:center;gap:20px;font-size:13px;color:#3f7e8a;min-height:40px}.solution-preparation{display:flex;align-items:center;gap:24px;border-top:1px solid #d6e4e6;margin-top:55px;padding-top:25px}.solution-preparation>span{font-size:11px;color:#46828d;white-space:nowrap}.solution-preparation>p{font-size:12px;color:#66808a;flex:1}.solution-preparation>a{font-size:12px;display:flex;gap:20px;align-items:center;white-space:nowrap;min-height:44px}.delivery-list{border-top:1px solid #ccdee1}.delivery-list article{display:grid;grid-template-columns:55px 1fr 1fr;gap:25px;align-items:center;border-bottom:1px solid #dce7e9;padding:27px 0}.delivery-list article>span{font-size:12px;color:#52939e}.delivery-list h3{font-size:21px;font-weight:550}.delivery-list p{font-size:13px;color:#6b838e;margin-top:8px}.delivery-list .delivery-output{padding-left:40px;border-left:1px solid #d8e5e7;font-size:10px;margin:0}.delivery-output strong{display:block;font-size:13px;font-weight:400;color:#426b7a;margin-top:7px}.platform-features{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:30px}.platform-features article{border-top:1px solid #cddfe2;padding-top:26px}.platform-features svg{width:27px;height:27px;color:#3d8995}.platform-features h3{font-size:20px;font-weight:550;margin:24px 0 13px}.platform-features p{font-size:13px;line-height:1.95;color:#657f89}.integration-note{display:grid;grid-template-columns:1fr 1fr;gap:90px}.integration-note h2{font-size:32px;font-weight:600;margin:22px 0}.integration-note p{font-size:14px;line-height:2;color:#6d828c}.integration-note dl{margin:0}.integration-note dl>div{border-bottom:1px solid #d9e6e8;padding:18px 0}.integration-note dt{font-size:13px;color:#357784}.integration-note dd{font-size:13px;color:#687f89;margin:7px 0 0;line-height:1.9}
/* Company evidence */
.about-columns{display:grid;grid-template-columns:1fr 1.2fr;gap:90px}.about-columns h2{margin-top:23px}.about-body p{font-size:15px;line-height:2.1;color:#637d88;margin-bottom:21px}.about-body p:last-child{margin-bottom:0}.company-facts{display:flex;gap:45px;border-top:1px solid #d7e4e5;margin-top:33px;padding-top:23px}.company-facts small{display:block;color:#7a919b;font-size:11px}.company-facts strong{display:block;font-size:17px;font-weight:500;margin-top:7px}.software-list{border-top:1px solid #ccdee1}.software-list>a{display:flex;align-items:center;gap:25px;padding:25px 0;border-bottom:1px solid #d8e5e7;transition:padding .2s}.software-number{font-size:11px;color:#75959f}.software-list h3{font-size:18px;font-weight:500}.software-list div>span{font-size:11px;color:#68838f;display:block;margin-top:7px}.software-view{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:12px;color:#427987;white-space:nowrap}.cert-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.cert-card{background:#fff;border:1px solid #dce6e7;border-radius:4px;padding:15px;text-align:left;display:flex;flex-direction:column;transition:transform .2s}.cert-art{height:285px;background:#f4f7f7;display:grid;place-items:center;padding:15px;margin-bottom:17px}.cert-art img{width:100%;height:100%;object-fit:contain;min-height:0}.cert-card>small{font-size:10px;letter-spacing:.08em;color:#668793}.cert-card>strong{font-size:14px;font-weight:500;margin-top:7px;flex:1}.cert-card>span:last-child{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:11px;color:#48848e;margin-top:17px;min-height:28px}.cert-scope{display:grid;grid-template-columns:1fr 1fr;gap:45px;margin-top:32px;padding-top:26px;border-top:1px solid #dce7e9}.cert-scope strong{font-size:12px;font-weight:500;color:#4d7884}.cert-scope p{font-size:12px;color:#718893;line-height:1.9;margin-top:7px}
/* Product detail and contact */
.product-detail-top{padding:27px 0 65px;background:#f4f8f8;border-bottom:1px solid #e1ebeb}.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:13px;font-size:12px;color:#6a8791;margin-bottom:33px}.breadcrumbs a:hover{color:#287e89}.product-detail-hero{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.product-detail-picture{position:relative;height:465px;display:flex;align-items:center;justify-content:center;border:1px solid #e0e8e9;border-radius:5px;background:#fff;padding:35px 40px 65px}.product-detail-picture>img{height:auto;width:auto;max-height:360px;max-width:100%;object-fit:contain}.product-detail-picture.product-marker>img{max-height:345px}.product-detail-picture.product-collector>img{width:100%;max-width:430px;max-height:250px}.product-detail-picture>span{position:absolute;bottom:22px;font-size:11px;letter-spacing:.08em;color:#79919a}.product-detail-description h1{font-size:42px;font-weight:600;margin:19px 0 23px}.product-detail-description>p{font-size:15px;line-height:2;color:#637f89;margin-bottom:23px}.detail-application{margin:26px 0;border-top:1px solid #d6e4e6;padding-top:18px}.detail-application small{display:block;font-size:10px;color:#7b939d}.detail-application strong{font-size:13px;font-weight:400;margin-top:5px;display:block}.detail-information{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:70px;align-items:start}.detail-information .section-intro h2{font-size:32px}.spec-table{margin:0;border-top:1px solid #bcd3d9}.spec-table>div{display:grid;grid-template-columns:130px 1fr;gap:20px;border-bottom:1px solid #deeaec;padding:17px 0;font-size:13px}.spec-table dt{color:#6c8690}.spec-table dd{margin:0;color:#305d6a}.selection-panel{padding:28px;background:#eef5f4;border:1px solid #dbe7e7;border-radius:4px}.selection-panel h2{font-size:23px;font-weight:550;margin:16px 0 23px}.selection-panel ul,.contact-checklist{margin:0 0 24px;padding:0;list-style:none}.selection-panel li,.contact-checklist li{position:relative;padding:12px 0 12px 17px;border-bottom:1px solid #d7e5e5;font-size:12px;color:#5b7b85}.selection-panel li:before,.contact-checklist li:before{content:"";position:absolute;left:0;top:22px;width:4px;height:4px;border-radius:50%;background:#4d939e}.selection-panel .text-link{font-size:12px;width:100%;justify-content:space-between}.related-products .products-grid{grid-template-columns:repeat(2,minmax(0,1fr));max-width:800px}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:95px}.contact-grid h2{font-size:34px;font-weight:600;margin-bottom:21px}.contact-grid>div>p{font-size:15px;color:#68808b;line-height:2}.contact-checklist{margin-top:27px}.contact-checklist li{font-size:13px;padding:15px 0 15px 18px}.contact-checklist li:before{top:26px}.contact-panel{border:1px solid #dce7e8;background:#f2f7f7;padding:34px 39px;border-radius:4px}.contact-field{padding:21px 0;border-bottom:1px solid #d8e6e7}.contact-field:last-child{border:0}.contact-field small{display:block;font-size:11px;color:#728a94;margin-bottom:7px}.contact-field strong,.contact-field a{font-weight:500;font-size:17px}.not-found{padding:130px 0}.not-found>.shell>span{font-size:12px;letter-spacing:.15em;color:#548f9d}.not-found h1{font-size:38px;margin:25px 0 20px}.not-found p{color:#6f8994;margin-bottom:30px}
/* Image dialog */
.lightbox{position:fixed;inset:0;z-index:150;background:#07121ef5;display:flex;flex-direction:column;padding:12px 24px 24px}.lightbox-top{display:flex;justify-content:flex-end;align-items:center;gap:25px;min-height:56px;color:#d9edf1}.lightbox-source{font-size:13px;border-bottom:1px solid #769aa5}.lightbox-close{border:0;background:transparent;color:white;font-size:35px;min-width:44px;min-height:44px;line-height:1}.lightbox-panel{display:flex;align-items:center;justify-content:center;flex:1;min-height:0}.lightbox-panel img{max-width:100%;max-height:calc(100dvh - 105px);object-fit:contain}.lightbox a:focus-visible,.lightbox button:focus-visible{outline-color:#b7dce3}
@media(hover:hover){.product-card:hover .product-image img{transform:translateY(-3px)}}
@media(min-width:1800px){.hero-layout{min-height:660px}.gas-hero-art img{object-position:center 58%}}
@media(max-width:1120px){.shell{width:min(var(--shell),calc(100% - 60px))}.header-inner{gap:25px}.nav-main{gap:22px}.section{padding:78px 0}.hero-layout{min-height:570px}.hero h1{font-size:49px}.hero-copy{max-width:510px}.gas-scene-label{right:4%}.product-info{padding:21px 18px}.product-info h3{font-size:19px}.product-image{height:265px}.product-image img{max-height:208px}.product-marker .product-image img{max-height:205px}.platform-panel{grid-template-columns:minmax(0,1fr) 240px;gap:24px;padding:22px}.platform-story h3{font-size:23px}.platform-story li{font-size:11px}.trust-section{gap:55px}.footer-grid{gap:28px}.footer-positioning{padding-left:21px}.solution-detail{gap:40px}.detail-copy h2{font-size:30px}.detail-information{gap:40px;grid-template-columns:minmax(0,1fr) 290px}.product-detail-hero{gap:45px}.cert-art{height:240px}.platform-features{gap:24px}}
@media(max-width:900px){.header-inner{height:72px}.brand-cn{font-size:23px}.brand-en{font-size:8px}.nav-main,.header-contact{display:none}.nav-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:5px;width:44px;height:44px;margin-left:auto;border:0;background:transparent}.nav-toggle span{width:22px;height:2px;background:#244d5d;transition:transform .2s,opacity .2s}.mobile-open .nav-toggle span:first-child{transform:translateY(7px) rotate(45deg)}.mobile-open .nav-toggle span:nth-child(2){opacity:0}.mobile-open .nav-toggle span:last-child{transform:translateY(-7px) rotate(-45deg)}.nav-mobile{display:flex;flex-direction:column;position:absolute;top:100%;inset-inline:0;background:#fff;box-shadow:0 18px 30px #153d4d14;padding:12px 30px 22px;border-bottom:1px solid #d9e7e9}.nav-mobile a{padding:12px 0;border-bottom:1px solid #ecf2f2;font-size:14px;min-height:48px}.nav-mobile a[aria-current]{color:#217e89}.hero-layout{min-height:550px}.hero h1{font-size:46px}.hero-copy{max-width:510px}.gas-hero-shade{background:linear-gradient(90deg,#071f2cf5 0%,#071f2ce3 33%,#071f2c70 63%,transparent),linear-gradient(0deg,#071f2c,transparent 40%)}.gas-scene-label{display:none}.products-grid{gap:15px}.product-image{height:240px;padding:36px 15px 18px}.product-image img{max-height:190px}.product-marker .product-image img{max-height:183px}.product-info{padding:20px 16px}.product-info h3{font-size:17px}.product-info>p{font-size:12px}.tags{gap:5px}.tags span{font-size:10px;padding:4px 7px}.product-scene{font-size:9px}.product-scene span{font-size:10px}.solution-card{padding:24px 23px 20px}.solution-card h3{font-size:23px}.solution-bottom{display:block}.solution-bottom strong{display:flex;justify-content:space-between;margin-top:12px}.platform-panel{grid-template-columns:1fr;padding:24px;gap:10px}.platform-story{display:grid;grid-template-columns:1fr 1fr;column-gap:35px;padding:19px 3px 4px}.platform-story .subhead{grid-column:1}.platform-story h3{grid-column:1;margin:12px 0}.platform-story>p{grid-column:1}.platform-story ul{grid-column:2;grid-row:1/4;margin:9px 0 0}.platform-story .detail-toggle{grid-column:2;grid-row:4;margin-top:10px}.process-showcase{grid-template-columns:260px minmax(0,1fr)}.process-tabs{padding:12px}.process-tabs button{padding:18px 12px;gap:12px}.process-tabs strong{font-size:17px}.process-tabs small{font-size:10px}.process-stage{padding:25px}.process-description h3{font-size:21px}.process-description p{min-height:76px}.trust-section{gap:40px}.trust-evidence h3{font-size:19px}.trust-copy h2{font-size:32px}.footer-grid{grid-template-columns:1.3fr 1fr 1fr}.footer-positioning{grid-column:1/-1;display:flex;justify-content:space-between;align-items:center;border-left:0;border-top:1px solid #31515e;padding:25px 0 0;gap:25px}.footer-positioning>p{margin:0;font-size:14px}.footer-positioning>a{margin:0!important}.solution-detail{gap:30px}.detail-copy h2{font-size:27px}.solution-kit h3{font-size:17px}.solution-preparation{flex-wrap:wrap;gap:10px 25px}.solution-preparation>p{flex-basis:65%}.guide-grid{gap:25px}.platform-features{grid-template-columns:repeat(2,minmax(0,1fr));gap:35px}.integration-note,.about-columns{gap:45px}.cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.cert-art{height:330px}.product-detail-hero{gap:33px}.product-detail-picture{height:410px;padding:30px 30px 60px}.product-detail-picture>img{max-height:315px}.product-detail-picture.product-marker>img{max-height:300px}.product-detail-description h1{font-size:34px}.detail-information{grid-template-columns:minmax(0,1fr) 260px;gap:30px}.selection-panel{padding:24px}.selection-panel h2{font-size:21px}.contact-grid{gap:40px}.contact-panel{padding:26px}.software-list h3{font-size:16px}}
@media(max-width:700px){html{scroll-padding-top:90px}.shell{width:calc(100% - 36px)}.section{padding:59px 0}.small-top{padding-top:34px}.header-inner{height:68px}.brand-cn{font-size:22px}.brand-en{font-size:8px}.section-intro{margin-bottom:27px}.section-intro-row{display:block;margin-top:16px}.section-intro h2,.trust-copy h2,.about-columns h2{font-size:29px;line-height:1.45}.section-intro p{font-size:13px;line-height:1.95;margin-top:14px}.section-intro .text-link{margin-top:17px;font-size:12px}.eyebrow{font-size:10px;gap:11px}.btn{min-height:48px;font-size:13px;padding:0 17px;gap:26px}.hero-layout{align-items:flex-start;min-height:620px;padding:38px 0 252px}.hero-copy{max-width:500px}.hero-kicker{font-size:10px;letter-spacing:.1em;margin-bottom:21px}.hero h1{font-size:clamp(32px,8.5vw,44px);line-height:1.32}.hero-copy>p{font-size:13px;line-height:1.95;margin-top:20px;max-width:370px}.desktop-break{display:none}.hero-actions{gap:19px;margin-top:22px}.hero-minor{font-size:12px;gap:11px}.hero-facts{margin-top:23px;gap:15px;font-size:10px}.gas-hero-art{inset:auto 0 45px;height:345px}.gas-hero-art img{object-position:74% center}.gas-hero-shade{background:linear-gradient(180deg,#071f2c 0%,#071f2c 32%,#071f2ccc 44%,transparent 64%,transparent 80%,#071f2c 94%)}.hero-caption{right:18px;bottom:73px;font-size:9px;color:#a2bbc6}.hero-bottom-inner{min-height:58px;gap:15px;font-size:9px}.hero-bottom-inner>span{max-width:195px;line-height:1.8}.hero-bottom a{gap:12px;white-space:nowrap;font-size:10px}.solutions-grid,.products-grid{grid-template-columns:1fr;gap:18px}.solution-card{padding:25px 22px 20px}.solution-card h3{font-size:25px}.solution-card>p{font-size:13px}.solution-card>img{margin-top:18px}.solution-bottom{display:flex}.solution-bottom strong{display:inline-flex;margin:0;gap:10px}.solution-bottom>span{font-size:9px}.diagram-note{font-size:10px}.product-image{height:266px;padding:35px 24px 20px}.product-image img{max-height:214px}.product-marker .product-image img{max-height:205px}.product-collector .product-image img{max-width:315px;max-height:155px}.product-info{padding:23px}.product-info h3{font-size:22px}.product-info>p{font-size:13px;margin-bottom:20px}.product-info small{font-size:11px}.tags span{font-size:11px}.product-scene{font-size:10px;display:flex;justify-content:space-between;gap:10px;align-items:center}.product-scene span{margin:0;font-size:10px}.product-toolbar{display:block;padding-bottom:23px;margin-bottom:25px}.product-filters{gap:3px;margin-bottom:18px}.product-filters button{font-size:12px;padding:8px 12px}.product-search{width:100%;min-width:0}.product-search input{font-size:13px}.platform-tabs button{font-size:12px;gap:6px;min-height:53px;padding:14px 7px}.platform-tabs button span{font-size:8px}.platform-panel{padding:13px;gap:7px}.window-bar{padding:9px;font-size:7px}.window-dots{gap:4px}.window-dots i{width:4px;height:4px}.window-bar>span:last-child{display:none}.screen-caption{font-size:8px;padding:8px}.screen-caption>span:last-child{font-size:7px}.image-zoom{right:8px;bottom:8px;padding:6px 9px;gap:8px;font-size:9px}.platform-story{display:block;padding:20px 9px 8px}.platform-story .subhead{font-size:9px}.platform-story h3{font-size:24px;margin:13px 0}.platform-story>p{font-size:13px}.platform-story ul{margin:16px 0}.platform-story li{font-size:12px;padding:6px 0 6px 15px}.platform-story li:before{top:16px}.platform-story .detail-toggle{max-width:100%;margin:0;font-size:12px}.process-showcase{grid-template-columns:1fr}.process-tabs{flex-direction:row;padding:9px;border-right:0;border-bottom:1px solid #d5e3e5;gap:6px}.process-tabs button{display:block;min-width:0;min-height:77px;text-align:center;padding:10px 5px;border:0!important;border-radius:3px}.process-tabs button>span{display:block;font-size:9px;margin-bottom:5px}.process-tabs strong{font-size:13px}.process-tabs small,.process-tabs i{display:none}.process-stage{padding:21px 20px 25px}.process-stage-top{font-size:8px;gap:10px}.process-diagram{margin:6px 0 14px}.process-description h3{font-size:22px}.process-description p{font-size:12px;min-height:70px}.process-description>span{font-size:10px;margin-top:17px}.trust-section{grid-template-columns:1fr;gap:32px}.trust-copy h2{margin:20px 0}.trust-copy>p{font-size:13px}.trust-copy .text-link{font-size:12px}.trust-evidence>a{padding:23px 30px 23px 0}.trust-evidence h3{font-size:20px}.trust-evidence p{font-size:12px}.cta{padding:45px 0}.cta-inner{display:block}.cta h2{font-size:27px;line-height:1.5;margin-top:12px}.cta p{font-size:12px}.cta .btn{margin-top:23px;min-width:170px}.site-footer{padding-top:46px}.footer-grid{grid-template-columns:1fr 1fr;gap:32px 25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-brand{margin-bottom:18px}.footer-location{margin-top:18px}.site-footer h2{font-size:12px;margin-bottom:18px}.footer-grid>div>a:not(.brand){font-size:11px;min-height:30px;margin-bottom:8px}.footer-positioning{display:block;grid-column:1/-1;padding-top:23px}.footer-positioning>p{font-size:15px;margin-top:12px}.footer-positioning>a{margin-top:17px!important}.footer-bottom{flex-wrap:wrap;margin-top:29px;padding:19px 0;gap:7px 20px;font-size:9px}.footer-bottom>span:first-child{width:100%}.footer-bottom>span:nth-child(2){margin-left:0}.footer-bottom>a{margin-left:auto}.inner-mast{padding:46px 0}.inner-mast h1{font-size:32px;margin-top:20px;line-height:1.45}.inner-mast p{font-size:13px;line-height:1.95;margin-top:17px}.mast-links{margin-top:23px;gap:10px 20px}.mast-links a{font-size:11px}.guide-grid{grid-template-columns:1fr;gap:29px}.guide-grid article{padding-top:18px}.guide-grid h3{font-size:22px;margin:13px 0 11px}.guide-grid p{font-size:13px}.solution-detail{grid-template-columns:1fr;gap:32px}.solution-detail.reverse .detail-copy{order:initial}.detail-copy h2{font-size:29px;margin:20px 0}.detail-copy>p{font-size:13px}.scene-note{padding:15px 17px}.feature-list{margin:18px 0 25px}.feature-list h3{font-size:15px}.detail-art{padding:22px 10px 17px}.detail-art>span{font-size:9px}.solution-kit{margin-top:19px}.solution-kit h3{font-size:18px}.solution-preparation{display:block;margin-top:33px;padding-top:20px}.solution-preparation>p{font-size:12px;margin-top:9px}.solution-preparation>a{display:inline-flex;margin-top:8px}.delivery-list article{grid-template-columns:28px 1fr;gap:14px;padding:23px 0}.delivery-list h3{font-size:21px}.delivery-list p{font-size:12px}.delivery-list .delivery-output{grid-column:2;border-left:0;padding-left:0;margin-top:1px;font-size:9px}.delivery-output strong{font-size:12px}.platform-features{gap:30px 24px}.platform-features svg{width:24px;height:24px}.platform-features h3{font-size:18px;margin-top:20px}.platform-features p{font-size:12px}.integration-note,.about-columns{grid-template-columns:1fr;gap:27px}.integration-note h2{font-size:29px}.integration-note p{font-size:13px}.integration-note dd{font-size:12px}.about-body p{font-size:13px}.company-facts{gap:45px;margin-top:23px;padding-top:19px}.company-facts strong{font-size:16px}.software-list>a{gap:13px;padding:20px 0;flex-wrap:wrap}.software-number{font-size:10px}.software-list>a>div{flex:1;min-width:0}.software-list h3{font-size:14px;line-height:1.7}.software-list div>span{font-size:10px}.software-view{font-size:10px;gap:15px;margin-left:29px}.cert-grid{gap:12px}.cert-card{padding:10px}.cert-art{height:220px;padding:10px;margin-bottom:13px}.cert-card>small{font-size:9px}.cert-card>strong{font-size:12px;line-height:1.8}.cert-card>span:last-child{font-size:10px;margin-top:12px}.cert-card .arrow{font-size:17px}.cert-scope{grid-template-columns:1fr;gap:21px;margin-top:26px;padding-top:22px}.cert-scope p{font-size:11px}.product-detail-top{padding:22px 0 43px}.breadcrumbs{font-size:10px;gap:8px;margin-bottom:24px}.product-detail-hero{grid-template-columns:1fr;gap:30px}.product-detail-picture{height:370px;padding:25px 35px 50px}.product-detail-picture>img{max-height:290px}.product-detail-picture.product-marker>img{max-height:278px}.product-detail-picture>span{font-size:10px;bottom:19px}.product-detail-description h1{font-size:33px;margin:15px 0 18px}.product-detail-description>p{font-size:13px;margin-bottom:19px}.detail-application{margin:23px 0}.detail-information{grid-template-columns:1fr;gap:28px}.detail-information .section-intro h2{font-size:28px}.spec-table>div{grid-template-columns:92px 1fr;gap:13px;font-size:12px;padding:15px 0}.selection-panel{padding:25px}.selection-panel h2{font-size:23px}.selection-panel .text-link{font-size:13px}.related-products .products-grid{grid-template-columns:1fr;max-width:none}.contact-grid{grid-template-columns:1fr;gap:30px}.contact-grid h2{font-size:28px}.contact-grid>div>p{font-size:13px}.contact-panel{padding:25px}.contact-field strong,.contact-field a{font-size:16px}.contact-checklist{margin:22px 0 0}.contact-checklist li{font-size:12px}.secondary-note{font-size:11px}.not-found{padding:85px 0}.not-found h1{font-size:29px}.not-found p{font-size:13px}.lightbox{padding:8px 12px 18px}.lightbox-top{gap:20px;min-height:52px}.lightbox-source{font-size:12px}.lightbox-panel img{max-height:calc(100dvh - 90px)}}
@media(max-width:360px){.hero h1{font-size:31px}.hero-layout{min-height:610px;padding-bottom:230px}.hero-copy>p{font-size:12px}.hero-actions{gap:16px}.hero .btn{font-size:12px;padding:0 13px;gap:17px}.hero-minor{font-size:11px}.hero-facts{gap:12px}.solution-card{padding:22px 17px 19px}.solution-card h3{font-size:23px}.solution-bottom{display:block}.solution-bottom strong{display:flex;justify-content:space-between;margin-top:11px}.platform-tabs button{font-size:11px}.platform-tabs button span{display:none}.cert-art{height:185px}.contact-field strong{font-size:15px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}.product-card:hover,.solution-card:hover,.btn:hover,.cert-card:hover{transform:none}}

/* Shared business contact details. Keep long addresses within narrow columns. */
.footer-contact{display:block;min-width:0}.footer-contact dl{margin:0}.footer-contact dl>div{display:grid;grid-template-columns:40px minmax(0,1fr);gap:10px;padding:6px 0;font-size:12px;line-height:1.8}.footer-contact dt{color:#8faeb9}.footer-contact dd{margin:0;color:#c2d6dc;min-width:0}.footer-contact dd a{display:inline-block;max-width:100%;overflow-wrap:anywhere}.footer-contact dd a:hover{color:#fff}.contact-field a{display:inline-block;max-width:100%;overflow-wrap:anywhere}.contact-field a:hover{color:#227f89}

/* Technology accents: motion enhances the content without changing its layout. */
@keyframes hero-appear{from{opacity:0;transform:translateY(13px)}to{opacity:1;transform:translateY(0)}}
@keyframes signal-pulse{0%,100%{opacity:.15;transform:scale(.65)}55%{opacity:.65;transform:scale(1.35)}}
@keyframes signal-transfer{to{stroke-dashoffset:-180}}
.motion-enabled .hero-copy>*{animation:hero-appear .75s cubic-bezier(.2,.65,.25,1) both}
.motion-enabled .hero-copy>.hero-kicker{animation-delay:.05s}
.motion-enabled .hero-copy>h1{animation-delay:.14s}
.motion-enabled .hero-copy>p{animation-delay:.25s}
.motion-enabled .hero-copy>.hero-actions{animation-delay:.36s}
.motion-enabled .hero-copy>.hero-facts{animation-delay:.46s}
.gas-hero-art img{transform:translate3d(var(--hero-x,0px),var(--hero-y,0px),0) scale(1.025);transition:transform .65s cubic-bezier(.2,.6,.3,1)}
.hero-signals{position:absolute;inset:0;pointer-events:none;z-index:0}
.hero-signals i{position:absolute;width:24px;height:24px;border:1px solid #b9efea;border-radius:50%;right:22%;bottom:27%;opacity:.25}
.hero-signals i:last-child{right:9.6%;bottom:20%;width:17px;height:17px}
.motion-enabled .is-hero-visible .hero-signals i{animation:signal-pulse 4s ease-in-out infinite}
.motion-enabled .is-hero-visible .hero-signals i:last-child{animation-delay:1.5s}
.hero-copy,.gas-scene-label,.hero-bottom,.hero-caption{z-index:1}
.hero-bottom{position:relative}
.section-intro,.product-card,.solution-card,.trust-copy,.trust-evidence,.guide-grid article,.platform-features article,.delivery-list article,.software-list>a,.cert-card,.inner-mast .shell{transition:opacity .6s ease var(--reveal-delay,0ms),transform .6s cubic-bezier(.2,.65,.25,1) var(--reveal-delay,0ms),box-shadow .25s,border-color .25s}
.reveal-pending{opacity:0;transform:translateY(14px)}
.reveal-pending:focus-within{opacity:1;transform:none}
.btn .arrow,.text-link .arrow,.solution-bottom .arrow,.header-contact>span{transition:transform .2s ease}
.btn:hover .arrow,.btn:focus-visible .arrow,.text-link:hover .arrow,.text-link:focus-visible .arrow,.solution-card:hover .solution-bottom .arrow,.header-contact:hover>span{transform:translate(2px,-2px)}
.product-card:hover{border-color:#aacdd0}
.platform-panel:not([hidden]){animation:hero-appear .35s ease both}
.solution-graphic{position:relative;width:calc(100% + 24px);margin:20px -12px 12px}
.solution-graphic>img{width:100%;height:auto}
.solution-signal{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:0;transition:opacity .25s}
.solution-signal path{stroke:#2f98ac;stroke-width:3;stroke-linecap:round;stroke-dasharray:5 13;animation:signal-transfer 2.5s linear infinite;animation-play-state:paused}
.gas-card .solution-signal path{stroke:#c4913c}
.motion-enabled .solution-card:hover .solution-signal,.motion-enabled .solution-card:focus-visible .solution-signal{opacity:.9}
.motion-enabled .solution-card:hover .solution-signal path,.motion-enabled .solution-card:focus-visible .solution-signal path{animation-play-state:running}

/* The Three.js scene has ordinary HTML controls and a complete SVG fallback. */
.process-3d{grid-template-columns:1fr;border-color:#d2e2e3}
.process-3d .process-tabs{flex-direction:row;gap:12px;padding:14px 20px;border-right:0;border-bottom:1px solid #d5e3e5;background:#edf4f4}
.process-3d .process-tabs button{flex:1;min-width:0;min-height:80px;padding:15px 18px;border:1px solid transparent;border-radius:4px}
.process-3d .process-tabs button[aria-selected="true"]{border-color:#c9dfe0;background:#fff}
.process-3d .process-tabs strong{font-size:16px}
.process-3d .process-tabs small{font-size:10px;margin-top:5px}
.process-3d .process-tabs button>span{font-size:10px}
.process-3d .process-stage{display:grid;grid-template-columns:minmax(0,1fr) 260px;column-gap:30px;padding:24px 28px 28px;min-width:0}
.process-3d .process-stage-top{grid-column:1/-1;margin-bottom:18px;font-size:9px}
.scene-toolbar{grid-column:1;display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:9px;min-width:0}
.scene-network{display:inline-flex;background:#edf4f3;padding:4px;border:1px solid #e0eaea;border-radius:4px;gap:3px}
.scene-network button{display:flex;align-items:center;gap:8px;border:1px solid transparent;border-radius:3px;background:transparent;padding:8px 11px;min-height:37px;font-size:11px;color:#67828a;white-space:nowrap;transition:background .2s,color .2s,box-shadow .2s}
.scene-network button[aria-pressed="true"]{background:#fff;color:#244d5b;box-shadow:0 2px 6px #214c5910;border-color:#d9e5e5}
.scene-network i,.scene-anomaly i{display:inline-block;width:5px;height:5px;border-radius:50%;background:#b9944d}
.scene-network .water-dot{background:#389bb4}
.scene-reset{border:0;background:transparent;color:#6d8992;font-size:10px;min-height:40px;padding:6px}
.scene-reset:hover{color:#246f7b}
.scene-reset>span{font-size:18px;vertical-align:-1px}
.pipeline-viewport{grid-column:1;position:relative;height:355px;overflow:hidden;background:radial-gradient(ellipse at 50% 43%,#fbfdfc,#edf3f2 80%);border:1px solid #e1ebea;border-radius:5px;isolation:isolate}
.pipeline-canvas{position:absolute;inset:0;width:100%;height:100%;display:block;touch-action:pan-y;cursor:grab;opacity:0}
.is-3d-active .pipeline-canvas{opacity:1}
.pipeline-canvas:focus-visible{outline:2px solid #438c95;outline-offset:-3px}
.scene-fallback{position:absolute;inset:0;display:grid;place-items:center;padding:15px 20px}
.scene-fallback>img{width:100%;height:100%;max-height:100%;object-fit:contain;min-height:0}
.is-3d-active .scene-fallback{display:none}
.scene-labels{position:absolute;inset:0;z-index:2;pointer-events:none}
.scene-node{position:absolute;transform:translate(-50%,-100%);display:flex;align-items:center;justify-content:center;gap:6px;pointer-events:auto;border:1px solid #c6dbde;border-radius:3px;background:#fffffff0;box-shadow:0 3px 12px #2746520d;padding:7px 10px;min-height:36px;white-space:nowrap;color:#557580;font-size:10px;transition:border-color .2s,background .2s,color .2s}
.scene-node>i{width:4px;height:4px;border-radius:50%;background:#91b4bc}
.scene-node[aria-pressed="true"]{border-color:#73aeb4;background:#eff9f6;color:#226b78}
.scene-node[aria-pressed="true"]>i{background:#389b9f;box-shadow:0 0 0 3px #a9d3d14d}
.scene-node:after{content:"";width:1px;height:13px;position:absolute;top:100%;left:50%;background:#9fc0c6}
.scene-drag-hint{position:absolute;bottom:13px;left:16px;font-size:9px;color:#6c878e;pointer-events:none;z-index:1}
.scene-controls{grid-column:1;display:flex;align-items:center;flex-wrap:wrap;gap:7px 15px;padding-top:12px;min-height:52px}
.scene-controls button{display:inline-flex;align-items:center;justify-content:center;gap:9px;min-height:38px;border:0;background:transparent;padding:5px 0;font-size:11px;color:#537b86;transition:color .2s}
.scene-controls button:hover{color:#195c6d}
.scene-launch{margin-right:auto}
.scene-launch>span{font-size:16px}
.scene-controls button:disabled{opacity:.6;cursor:progress}
.scene-controls .scene-anomaly{padding-inline:10px;border:1px solid #dce6e4;border-radius:3px;background:#f8fbf9;color:#6d7f82}
.scene-anomaly[aria-pressed="true"]{background:#fbf1df!important;border-color:#d8bb89!important;color:#986c2b!important}
.scene-motion{margin-left:auto}
.scene-status{grid-column:1;font-size:10px;line-height:1.85;color:#789098;min-height:37px;margin-top:4px;max-width:100%}
.process-3d .process-description{grid-column:2;grid-row:2/6;align-self:center;border-left:1px solid #dfebea;padding:16px 0 16px 26px}
.process-3d .process-description h3{font-size:24px;line-height:1.5;font-weight:550;margin-bottom:18px}
.process-3d .process-description p{font-size:13px;line-height:2;min-height:104px}
.process-3d .process-description>span{font-size:10px;line-height:1.9;letter-spacing:0;margin-top:24px;color:#4d8791}
.process-3d .process-description:not([hidden]){animation:hero-appear .32s ease both}
.scene-has-anomaly .pipeline-viewport:after{content:"疑似异常 · 演示";position:absolute;right:13px;bottom:12px;font-size:9px;line-height:1.7;padding:4px 8px;border:1px solid #d9bb89;background:#fff5e5e8;color:#956b30;border-radius:3px;pointer-events:none;z-index:3}
@media(max-width:1120px){.process-3d .process-stage{grid-template-columns:minmax(0,1fr) 230px;gap:0 22px;padding:22px}.process-3d .process-tabs{padding:12px}.process-3d .process-tabs button{padding:13px;gap:12px}.process-3d .process-tabs strong{font-size:15px}.process-3d .process-tabs small{font-size:9px}.process-3d .process-description{padding-left:22px}.process-3d .process-description h3{font-size:22px}.pipeline-viewport{height:330px}}
@media(max-width:900px){.process-3d .process-stage{grid-template-columns:minmax(0,1fr) 205px;column-gap:20px}.process-3d .process-tabs small{display:none}.process-3d .process-tabs button{min-height:67px}.process-3d .process-tabs strong{font-size:14px}.process-3d .process-description{padding-left:18px}.process-3d .process-description h3{font-size:21px}.process-3d .process-description p{font-size:12px}.scene-toolbar{gap:5px}.scene-reset{font-size:9px}.scene-network button{font-size:10px;padding:7px 8px}.pipeline-viewport{height:310px}.scene-controls{gap:6px 12px}.scene-controls button{font-size:10px}.scene-motion{margin-left:0}}
@media(max-width:700px){.hero-signals{display:none}.gas-hero-art img{transform:none}.solution-graphic{margin-top:18px}.process-3d .process-tabs{gap:6px;padding:9px}.process-3d .process-tabs button{min-height:76px;display:block;text-align:center;padding:10px 5px}.process-3d .process-tabs button>span{display:block;font-size:9px;margin-bottom:5px}.process-3d .process-tabs strong{font-size:13px}.process-3d .process-tabs i{display:none}.process-3d .process-stage{display:block;padding:20px 15px 24px}.process-3d .process-stage-top{font-size:8px;margin-bottom:16px}.scene-toolbar{gap:10px;margin-bottom:10px}.scene-network button{font-size:10px;padding:7px 10px;min-height:36px}.pipeline-viewport{height:265px}.scene-reset{font-size:9px}.scene-fallback{padding:12px}.scene-node{font-size:9px;padding:5px 7px;min-height:34px}.scene-node:after{height:9px}.scene-drag-hint{font-size:8px;left:11px;bottom:11px}.scene-controls{gap:5px 12px;padding-top:11px;min-height:49px}.scene-controls button{font-size:10px;min-height:36px}.scene-motion{margin-left:auto}.scene-status{font-size:9px;min-height:34px;margin-top:6px}.process-3d .process-description{border-left:0;border-top:1px solid #dce9e7;padding:22px 5px 0;margin-top:14px}.process-3d .process-description h3{font-size:23px;margin-bottom:13px}.process-3d .process-description p{font-size:12px;line-height:1.95;min-height:70px}.process-3d .process-description>span{font-size:10px;margin-top:17px}.scene-has-anomaly .pipeline-viewport:after{font-size:8px;right:9px;bottom:9px}}
@media(max-width:360px){.scene-network button{font-size:9px;padding-inline:8px}.scene-reset{font-size:8px}.scene-controls{gap:5px 10px}.scene-controls button{font-size:9px}.pipeline-viewport{height:245px}}
@media(prefers-reduced-motion:reduce){.reveal-pending{opacity:1;transform:none}.gas-hero-art img{transform:none}.solution-signal{display:none}.hero-signals{display:none}.platform-panel:not([hidden]),.process-3d .process-description:not([hidden]){animation:none}.btn:hover .arrow,.btn:focus-visible .arrow,.text-link:hover .arrow,.text-link:focus-visible .arrow,.solution-card:hover .solution-bottom .arrow,.header-contact:hover>span{transform:none}}
.process-3d .process-description h3{text-wrap:balance}

/* Software names only. Certificate thumbnails are non-interactive. */
.software-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 36px}
.software-list article{padding:23px 0;border-bottom:1px solid #d8e5e7;min-width:0}
.software-list article h3{font-size:16px;font-weight:500;line-height:1.8}
.cert-card{cursor:default;transition:opacity .6s ease var(--reveal-delay,0ms),transform .6s ease var(--reveal-delay,0ms)}
.cert-art{height:248px;display:flex;align-items:center;justify-content:center;padding:10px}
.cert-art img{width:160px;height:auto;max-width:100%;max-height:100%;object-fit:contain}
@media(max-width:700px){.software-list{grid-template-columns:1fr;gap:0}.software-list article{padding:19px 0}.software-list article h3{font-size:14px}.cert-art{height:205px}}
@media(max-width:360px){.cert-art{height:185px}}