/* Multi-page extension of the fsair centrifugal landing template. */
:root{--nav-h:84px;--maxw:1280px}.nav-logo img{width:104px;height:60px;object-fit:contain}.nav-inner{gap:18px}.nav-links a{font-size:13px;padding:0 11px}.nav-links a[aria-current=page]::after{transform:scaleX(1)}.nav-links a[aria-current=page]{color:var(--ink)}.nav-links a::after{background:#d60000}.site-main{padding-top:var(--nav-h)}.site-main .hero{margin-top:0;min-height:670px}.hero-title{font-size:clamp(36px,3.6vw,52px)}.hero-desc{font-size:15px}.hero-stats{grid-template-columns:repeat(3,1fr)}.hero-stats .num{font-size:20px}.hero-stats .lab{font-size:12px}.hero-visual{min-height:620px}.hero-bg{object-position:54% center}.hero-visual figcaption{letter-spacing:.04em}.hero-actions .btn:last-child{width:auto;border:1px solid #9eafb5;text-decoration:none;min-height:48px;padding:12px 23px;color:var(--ink)}.eyebrow{display:block;color:var(--red);font-size:11px;font-weight:700;letter-spacing:.13em;margin-bottom:16px}.bread{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--gray-500);margin-bottom:28px}.bread a:hover{text-decoration:underline}.page-heading{padding:48px 0 58px;background:#edf2f2;border-bottom:1px solid var(--gray-200)}.page-heading h1{font-size:clamp(29px,3.5vw,44px);line-height:1.4;font-weight:600;max-width:1000px}.page-heading p{margin-top:20px;max-width:810px;color:var(--gray-700);font-size:15px}.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:25px;margin-bottom:36px}.text-link{color:var(--navy);border-bottom:1px solid var(--navy);font-size:14px;padding-bottom:5px;white-space:nowrap}.muted{color:var(--gray-700)}.soft{background:var(--gray-100)}.dark{background:var(--navy-dark);color:#fff}.dark .muted,.dark .section-sub{color:#c8d7dc}.dark .eyebrow{color:#f09a9f}.dark .text-link{color:white;border-color:#9bb2bd}.route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.route-card{padding:30px;border:1px solid var(--gray-300);background:white;display:flex;flex-direction:column}.route-card h3{font-size:21px;margin-bottom:14px;font-weight:600}.route-card p{font-size:14px;color:var(--gray-700);flex:1}.route-card a{align-self:flex-start;margin-top:25px}.route-card .number{font-size:12px;color:var(--red);margin-bottom:22px;font-weight:600}.dark .route-card{background:#1b4555;border-color:#345766}.dark .route-card p{color:#cfdee3}.dark .route-card .number{color:#f09a9f}.dark .route-card a{color:#fff}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{background:#fff;border:1px solid var(--gray-200);display:flex;flex-direction:column;min-width:0}.product-card:hover{border-color:#b4c5cc;box-shadow:0 10px 24px #163a4b09}.product-card .media{display:block;height:235px;padding:24px;background:#fff;border-bottom:1px solid var(--gray-200)}.product-card img{width:100%;height:100%;object-fit:contain}.product-card .body{padding:25px;display:flex;flex:1;flex-direction:column}.product-card .category{font-size:11px;color:var(--red);margin-bottom:12px;letter-spacing:.08em}.product-card h3{font-size:21px;line-height:1.5;font-weight:600;margin-bottom:14px}.product-card .summary{font-size:13px;color:var(--gray-700);flex:1}.product-card .card-meta{font-size:12px;color:var(--gray-500);margin-top:20px;padding-top:14px;border-top:1px solid var(--gray-200)}.product-card .card-link{font-size:13px;font-weight:600;color:var(--navy);margin-top:15px}.filter-panel{border:1px solid var(--gray-300);padding:26px;background:#fff;margin-bottom:30px}.search-row{display:flex;align-items:end;gap:18px}.search-label{display:flex;flex-direction:column;gap:8px;flex:1;font-size:13px}.search-label input,.search-label select{width:100%;min-height:48px;padding:10px 14px;border:1px solid #bfcdd2;background:white;color:var(--ink);border-radius:0}.search-row .count{font-size:13px;color:var(--gray-700);padding-bottom:12px}.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}.chip{font-size:13px;padding:6px 13px;border:1px solid #d1dbdf;background:#fff;min-height:38px}.chip.active,.chip[aria-current=page]{background:var(--navy);color:white;border-color:var(--navy)}.empty-state{padding:35px;background:#fff;text-align:center;border:1px solid var(--gray-300)}[hidden]{display:none!important}.feature-list{margin:20px 0}.feature-list li{padding:10px 0 10px 20px;position:relative;border-bottom:1px solid var(--gray-200);color:var(--gray-700);font-size:14px}.feature-list li::before{content:"";position:absolute;width:6px;height:6px;left:0;top:21px;background:#d60000}.detail-top{display:grid;grid-template-columns:1fr 1.05fr;gap:60px;align-items:start}.detail-photo{position:sticky;top:105px}.detail-photo img{width:100%;max-height:440px;object-fit:contain;padding:20px;border:1px solid var(--gray-200);background:#fff}.detail-photo figcaption{border-left:2px solid #d60000;padding-left:14px;font-size:12px;color:var(--gray-500);margin-top:18px}.detail-copy h2{font-size:27px;font-weight:600}.detail-copy>p{margin:18px 0;color:var(--gray-700);font-size:14px}.specs{margin-top:25px;border-top:1px solid var(--gray-300)}.spec{display:grid;grid-template-columns:135px 1fr;border-bottom:1px solid var(--gray-200);font-size:13px;padding:12px 0;gap:15px}.spec dt{color:var(--gray-500)}.spec dd{margin:0}.button-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:27px}.subnav{display:flex;gap:25px;flex-wrap:wrap;border-bottom:1px solid var(--gray-300);padding-bottom:15px;margin-bottom:30px;font-size:14px}.subnav a:hover{color:var(--red)}.table-toolbar{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:25px 0 18px}.table-toolbar .search-label{max-width:380px}.table-wrap{overflow:auto;border:1px solid #d1dbdf;background:white;max-height:660px}.data-table{border-collapse:collapse;width:100%;font-size:13px;line-height:1.6}.data-table th,.data-table td{padding:13px 16px;text-align:left;border-bottom:1px solid #e1e8eb;border-right:1px solid #e1e8eb;white-space:nowrap}.data-table th{position:sticky;top:0;background:var(--navy);color:white;font-weight:500;z-index:1}.data-table tbody tr:nth-child(even){background:#f6f8f9}.data-table tbody tr:hover{background:#edf3f5}.table-note,.source-note{font-size:12px;color:var(--gray-500);line-height:1.8;margin-top:18px}.table-note li{margin-bottom:7px}.source-note{border-top:1px solid var(--gray-300);padding-top:16px}.article-list{border-top:1px solid var(--gray-300)}.article-row{display:grid;grid-template-columns:155px 1fr 34px;gap:30px;padding:30px 0;border-bottom:1px solid var(--gray-300);align-items:start}.article-row .label{font-size:12px;color:var(--red);padding-top:6px}.article-row h2,.article-row h3{font-size:22px;font-weight:600;line-height:1.6;margin-bottom:10px}.article-row p{color:var(--gray-700);font-size:14px;max-width:850px}.article-row>a{color:var(--navy);font-size:24px}.article-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:60px}.article-toc{position:sticky;top:110px;align-self:start;border-left:2px solid var(--red);padding-left:22px}.article-toc h2{font-size:15px;margin-bottom:15px}.article-toc a{display:block;font-size:13px;color:var(--gray-700);padding:6px 0}.article-body{max-width:820px;min-width:0}.article-body section{scroll-margin-top:110px;margin-bottom:44px}.article-body h2{font-size:27px;font-weight:600;margin-bottom:20px}.article-body p{font-size:16px;line-height:2;margin-bottom:18px;color:#435963}.article-body ul{padding-left:22px;list-style:disc;color:#435963}.article-body li{margin-bottom:10px}.article-body .source-note{font-size:12px}.prose{max-width:850px}.prose h2{font-size:28px;font-weight:600;margin:40px 0 20px}.prose p{color:var(--gray-700);margin-bottom:20px;line-height:2}.split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.split img{width:100%;max-height:470px;object-fit:cover}.process{display:grid;grid-template-columns:repeat(4,1fr);gap:26px;counter-reset:step}.process li{padding:22px 0;border-top:2px solid #b6c5cb}.process strong{font-size:19px;display:block;margin:15px 0}.process p{font-size:14px;color:var(--gray-700)}.process .step{color:var(--red);font-size:13px}.faq-compact details{border-bottom:1px solid var(--gray-300);padding:22px 0}.faq-compact summary{cursor:pointer;font-size:18px;font-weight:500}.faq-compact p{font-size:14px;color:var(--gray-700);margin-top:15px;max-width:900px}.selection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.selection-grid label{display:flex;flex-direction:column;gap:10px;font-size:14px}.selection-grid select{min-height:50px;border:1px solid #bacbd2;background:white;padding:12px;color:var(--ink)}.selection-result{margin-top:25px;padding:25px;border-left:3px solid #d60000;background:#f0f5f5}.selection-result h3{font-size:22px;margin-bottom:12px}.selection-result p{font-size:14px;color:var(--gray-700)}.contact-card{padding:26px 0;border-top:1px solid var(--gray-300)}.contact-card h2{font-size:22px}.contact-card p{color:var(--gray-700);margin-top:12px}.contact-grid{margin-bottom:45px}.footer-brand img{width:120px;max-height:75px;object-fit:contain;background:#fff;padding:5px;margin-bottom:20px}.footer-grid{grid-template-columns:1.25fr .8fr .8fr 1.25fr}.footer{padding-bottom:25px}.footer li a:hover{text-decoration:underline}.footer-brand p{font-size:12px;color:#b8cbd3;line-height:1.9}.footer-note{font-size:11px;color:#a5bec9;border-top:1px solid #31515e;margin-top:32px;padding-top:20px}.downloads{display:grid;grid-template-columns:1fr 1fr;gap:20px}.download-item{border:1px solid var(--gray-300);padding:25px}.download-item h3{font-size:20px;margin-bottom:14px}.download-item p{font-size:13px;color:var(--gray-700);margin-bottom:20px}.skip-link{position:fixed;top:-80px;left:15px;background:#fff;padding:12px;z-index:100}.skip-link:focus{top:10px}.table-section{scroll-margin-top:105px}.site-footer-cta{background:var(--navy);color:white;padding:44px 0}.site-footer-cta .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.site-footer-cta h2{font-size:28px;font-weight:500}.site-footer-cta p{font-size:14px;color:#c2d2d9;margin-top:10px}.site-footer-cta .btn{background:#fff;color:var(--navy);flex:none}.legal{font-size:12px;color:var(--gray-500)}
@media(max-width:1100px){.nav-inner{gap:10px;padding:0 22px}.nav-links a{padding:0 7px;font-size:12px}.nav-logo img{width:90px}.main-site-link{font-size:11px}.hero-content{padding:55px 30px}.detail-top{gap:35px}.article-layout{gap:35px;grid-template-columns:200px 1fr}.product-card .media{height:210px}.product-card h3{font-size:19px}.product-card .body{padding:22px}.footer-grid{grid-template-columns:1fr 1fr}.hero-visual{min-height:620px}}
@media(max-width:960px){:root{--nav-h:72px}.nav-logo img{height:52px;width:94px}.nav-links{top:72px}.nav-links a{font-size:14px;padding:10px}.site-main .hero{min-height:600px}.hero-visual{min-height:600px}.hero-stats{grid-template-columns:1fr 1fr 1fr}.hero-stats .num{font-size:17px}.hero-stats .lab{font-size:11px}.route-grid{grid-template-columns:1fr 1fr}.product-grid{grid-template-columns:1fr 1fr}.process{grid-template-columns:1fr 1fr}.article-layout{grid-template-columns:1fr}.article-toc{position:static;display:none}.split{gap:35px}.site-footer-cta h2{font-size:25px}.detail-top{grid-template-columns:1fr 1fr}.spec{grid-template-columns:100px 1fr}.article-row{grid-template-columns:110px 1fr 25px;gap:20px}}
@media(max-width:640px){.nav-inner{padding:0 20px}.nav-logo img{height:52px;width:94px}.site-main .hero{min-height:0}.hero-content{padding:40px 22px 34px}.hero-title{font-size:37px;line-height:1.35}.hero-desc{font-size:13px}.hero-visual{min-height:320px}.hero-visual figcaption{left:16px;right:16px;font-size:10px}.hero-stats{gap:13px;margin:25px 0}.hero-actions .btn:last-child{font-size:12px;padding:11px 17px;min-height:45px}.page-heading{padding:28px 0 38px}.page-heading h1{font-size:30px}.page-heading p{font-size:13px;margin-top:17px}.bread{font-size:11px;margin-bottom:22px}.section-head-row{display:block}.section-head-row .text-link{display:inline-block;margin-top:20px}.product-grid,.route-grid,.downloads{grid-template-columns:1fr}.product-card .media{height:245px;padding:22px}.product-card h3{font-size:22px}.product-card .body{padding:24px}.filter-panel{padding:20px}.search-row{display:block}.search-row .count{padding:12px 0 0}.chips{gap:8px}.chip{font-size:12px;padding:6px 10px}.detail-top{display:flex;flex-direction:column;gap:32px}.detail-photo{position:static;width:100%}.detail-photo img{max-height:330px}.detail-copy h2{font-size:25px}.table-toolbar{align-items:stretch;flex-direction:column}.data-table{font-size:12px}.data-table th,.data-table td{padding:12px}.article-row{grid-template-columns:1fr 25px;gap:10px;padding:25px 0}.article-row .label{grid-column:1/-1}.article-row h2,.article-row h3{font-size:20px}.article-row p{font-size:13px}.article-body h2{font-size:24px}.article-body p{font-size:15px}.article-body section{margin-bottom:34px}.split{display:flex;flex-direction:column;align-items:stretch;gap:30px}.process{grid-template-columns:1fr 1fr;gap:20px}.process strong{font-size:17px}.process p{font-size:13px}.selection-grid{grid-template-columns:1fr}.site-footer-cta .container{display:block}.site-footer-cta .btn{margin-top:25px}.site-footer-cta h2{font-size:25px}.footer-grid{grid-template-columns:1fr 1fr}.contact-grid{grid-template-columns:1fr}.contact-card h2{font-size:20px}.button-row .btn{flex:1}.table-wrap{max-height:530px}.nav-links a::after{left:10px;right:10px}.prose h2{font-size:25px}.prose p{font-size:14px}}
.nav-logo img{width:150px;height:54px}.footer-brand img{width:150px;max-height:64px;padding:8px}
@media(max-width:1100px){.nav-logo img{width:125px}}
@media(max-width:640px){.nav-logo img{width:132px;height:48px}}

/* Official product hero: preserve the complete equipment outline. */
.hero-visual{background:#fff}.hero-bg{object-fit:contain;object-position:center;padding:24px 28px 80px}
@media(max-width:640px){.hero-visual{min-height:360px}.hero-bg{padding:12px 20px 60px}}

/* Keep the original QR bitmap sharp and on its white quiet zone. */
.wechat-contact{margin:30px 0 0;padding-top:26px;border-top:1px solid rgba(255,255,255,.2)}
.wechat-contact .wechat-qr{display:block;width:200px;height:200px;max-width:100%;object-fit:contain;background:#fff}
.wechat-contact figcaption{margin-top:15px;line-height:1.7}
.wechat-contact strong{display:block;font-size:16px;font-weight:500;color:#fff}
.wechat-contact span{display:block;margin-top:4px;font-size:13px;color:#d4e2e7}