/* NBWAVE V2026.2: reading, product and engineering presentation. */
:root{--navy:#081321;--navy-2:#101d2e;--indigo:#292d6e;--blue:#292d6e;--yellow:#ffdb00;--warm:#f4f1eb;--paper:#fff;--ink:#101827;--muted:#5f6c80;--radius:4px}
html{scroll-padding-top:24px}.section{padding-top:76px;padding-bottom:76px}.section-heading{margin-bottom:32px}.section-heading h2{font-size:clamp(27px,3.1vw,42px);line-height:1.35;letter-spacing:0}.section-heading p{font-size:16px;line-height:1.85;margin-top:16px}.section-heading>span{letter-spacing:.1em;margin-bottom:12px}.page-hero{padding-top:52px;padding-bottom:44px}.page-hero h1{font-size:clamp(30px,4vw,52px);line-height:1.3;letter-spacing:0}.page-hero p:not(.kicker){font-size:16px;line-height:1.8;margin-top:16px}.page-hero:before{display:none}.hero-rule{height:3px;margin-top:25px}.button{box-shadow:none;letter-spacing:0}.kicker{letter-spacing:.1em!important}.reveal{opacity:1;transform:none}.brand-heritage .section-heading h2{font-size:32px}.system-grid article{min-height:0}.system-grid h3{font-size:20px}
.refresh-hero{display:grid;grid-template-columns:1fr 1.08fr;background:var(--warm);align-items:stretch}.refresh-hero-copy{padding:64px max(28px,calc((100vw - 1280px)/2));padding-right:48px}.refresh-hero .kicker{color:var(--blue)!important}.refresh-hero h1{font-size:clamp(40px,4.5vw,68px);line-height:1.2;letter-spacing:0;margin:0 0 24px;color:var(--blue)}.refresh-hero-copy>p:not(.kicker){max-width:540px;font-size:17px;line-height:1.85;color:var(--ink)}.refresh-hero .hero-actions{margin-top:27px}.refresh-hero .refresh-heritage{margin-top:34px;font-size:13px!important;color:var(--muted)!important}.refresh-heritage a{display:inline-block;margin-top:6px;text-decoration:underline;text-underline-offset:4px}.refresh-hero figure{margin:0;background:#fff;display:flex;flex-direction:column;min-width:0}.refresh-hero figure>a{display:flex;flex:1;min-height:300px}.refresh-hero img{width:100%;height:100%;object-fit:cover;object-position:center;align-self:stretch}.refresh-hero figcaption{padding:16px 24px;font-size:12px;color:var(--muted)}.refresh-hero figcaption a{white-space:nowrap;margin-left:12px;color:var(--blue)}
.refresh-route-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.refresh-route-grid article{padding:28px 28px 30px;border-right:1px solid var(--line);display:flex;align-items:start;flex-direction:column}.refresh-route-grid article:first-child{padding-left:0}.refresh-route-grid article:last-child{border:0}.refresh-route-grid article>span{font-size:13px;color:var(--muted)}.refresh-route-grid h3{font-size:25px;line-height:1.4;margin:12px 0}.refresh-route-grid p{color:var(--muted);font-size:15px;line-height:1.8;margin:0 0 22px}.refresh-route-grid .text-link{margin-top:auto}.refresh-engineering-links,.refresh-catalog-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:24px;font-size:14px;color:var(--blue)}.refresh-catalog-links{padding:24px max(24px,calc((100vw - 1280px)/2)) 60px;margin:0}
.product-card,.air-family-card,.case-card{box-shadow:none;border-radius:3px}.product-card .product-image{background:#f4f1eb;height:330px}.product-image img{width:100%;height:100%;object-fit:contain;padding:22px}.product-body{padding:25px}.product-card h3{font-size:23px;line-height:1.4}.product-card .product-code{font-size:12px;line-height:1.6}.product-card .product-actions{gap:12px}.product-visual{background:var(--warm)}.product-visual>img{object-fit:contain}.product-summary h2{font-size:clamp(26px,3vw,40px);line-height:1.35}.product-summary .text-link{display:block;margin-top:18px}.air-family-card{min-height:0;grid-template-columns:1fr}.air-family-image{min-height:0;height:285px;background:var(--warm)}.air-family-image img{object-fit:contain}.air-family-card>div:last-child{padding:28px;min-height:0}.air-family-card h3{font-size:25px}.experience-chips{margin:15px 0 20px}.air-family-hero{padding-top:42px;padding-bottom:42px}.air-family-summary h2{font-size:clamp(26px,3.4vw,44px);line-height:1.3}.air-family-visual img{object-fit:contain}.air-fit-band h2,.air-report-card h2{font-size:30px;line-height:1.4}.air-data-block header h2{font-size:28px;line-height:1.4}.case-image-link img,.case-card>img{object-fit:contain;background:var(--warm)}.case-card small{font-size:14px;line-height:1.8}.faq-list summary{line-height:1.65}.faq-section .section-heading p{display:none}.table-scroll-hint{font-size:13px;color:var(--muted);margin:12px 0}.air-table-wrap,.selection-table-wrap,.focus-table-wrap{overscroll-behavior-inline:contain}.product-inquiry{display:grid;grid-template-columns:.8fr 1.2fr;gap:50px}.product-inquiry .lead-form{margin:0;padding:30px;width:100%}.product-inquiry .section-heading h2{font-size:30px}.inquiry-notice{font-size:13px}.engineering-search-hero,.engineering-search-section{scroll-margin-top:24px}
@media(max-width:1080px){.refresh-hero{grid-template-columns:1fr 1fr}.refresh-hero-copy{padding:44px 28px}.refresh-hero h1{font-size:44px}.refresh-hero .hero-actions{display:grid;gap:10px}.refresh-route-grid h3{font-size:21px}.refresh-route-grid article{padding:22px 18px}.product-inquiry{grid-template-columns:1fr;gap:24px}}
@media(max-width:720px){body{padding-bottom:calc(64px + env(safe-area-inset-bottom))}.site-header{position:relative;top:auto}.site-header.is-hidden{transform:none!important}.site-nav{max-height:calc(100dvh - 140px);overflow:auto}.section{padding:44px 20px}.section-heading{margin-bottom:24px}.section-heading h2{font-size:27px;line-height:1.4}.page-hero{padding:30px 20px}.page-hero h1{font-size:29px;line-height:1.4}.page-hero p:not(.kicker){font-size:15px}.page-hero .kicker{margin-bottom:12px!important}.hero-rule{margin-top:20px}.refresh-hero{display:flex;flex-direction:column}.refresh-hero-copy{padding:34px 20px 24px}.refresh-hero h1{font-size:42px;margin-bottom:18px}.refresh-hero-copy>p:not(.kicker){font-size:16px}.refresh-hero .hero-actions{display:flex;gap:10px}.refresh-hero .button{min-height:48px;padding:0 15px;font-size:13px}.refresh-hero .refresh-heritage{margin-top:24px}.refresh-hero figure>a{min-height:0;display:block}.refresh-hero img{height:auto;display:block}.refresh-hero figcaption{padding:14px 20px;line-height:1.8}.refresh-route-grid{grid-template-columns:1fr}.refresh-route-grid article,.refresh-route-grid article:first-child{padding:23px 0;border-right:0;border-bottom:1px solid var(--line)}.refresh-route-grid h3{font-size:23px}.refresh-engineering-links{gap:14px}.category-links--five{display:flex;overflow-x:auto;gap:0}.category-links--five a{flex:0 0 172px;padding:22px 18px!important}.category-links--five span{font-size:18px}.category-links--five b{font-size:10px}.air-family-image{height:280px;min-height:0}.air-family-card>div:last-child{padding:23px;min-height:0}.air-family-grid{gap:24px}.product-card .product-image{height:300px}.product-body{padding:23px}.product-detail{margin-top:32px}.product-visual{min-height:330px}.product-visual>img{max-height:360px}.product-summary h2{font-size:28px}.air-family-hero{padding:32px 20px;gap:24px}.air-family-summary h2{font-size:28px}.air-data-block header h2{font-size:25px}.air-report-card h2{font-size:25px}.commercial-brief .lead-form,.product-inquiry .lead-form{padding:23px 18px}.knowledge-article h2{font-size:25px;line-height:1.45}.faq-list summary{font-size:17px}.compare-table-wrap:before{content:'左右滑动，查看各型号参数';display:block;position:sticky;left:0;padding:12px 16px;color:var(--muted);font-size:13px}.nbwave-ai-launcher,.floating-call{position:fixed!important;top:auto!important;bottom:0!important;transform:none!important;height:calc(56px + env(safe-area-inset-bottom))!important;min-height:56px;border-radius:0!important;padding:10px 14px calc(10px + env(safe-area-inset-bottom))!important;display:flex!important;align-items:center;justify-content:center;gap:9px;box-shadow:none!important;z-index:80!important}.nbwave-ai-launcher{left:0!important;right:auto!important;width:50%!important;background:var(--navy)!important;border:0!important;border-right:1px solid #526071!important;color:#fff!important}.floating-call{left:50%!important;right:0!important;width:50%!important;background:var(--yellow)!important;color:var(--navy)!important}.nbwave-ai-launcher span,.floating-call span{font-size:15px!important;line-height:1!important;margin:0!important}.nbwave-ai-launcher strong,.floating-call strong{font-size:13px!important;margin:0!important}.nbwave-ai-panel{z-index:150!important}.compare-dock{bottom:calc(66px + env(safe-area-inset-bottom))}.site-footer{padding-bottom:34px}.refresh-catalog-links{padding:0 20px 40px}.brand-heritage .section-heading h2{font-size:27px}}
.engineering-search-section>header{max-width:900px;margin-bottom:28px}.engineering-search-section h2{font-size:clamp(26px,3vw,38px);line-height:1.4;margin:0 0 16px}.engineering-search-lead,.engineering-search-section>header>p{color:var(--muted);font-size:16px;line-height:1.85}.engineering-search-section:nth-of-type(even){background:var(--warm)}.engineering-search-list{margin:0}.engineering-search-list>div{display:grid;grid-template-columns:220px 1fr;gap:28px;padding:23px 0;border-top:1px solid var(--line)}.engineering-search-list dt{font-weight:700;font-size:18px}.engineering-search-list dd{margin:0;font-size:16px;line-height:1.9}.engineering-search-list a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}.engineering-search-links{display:flex;flex-wrap:wrap;gap:14px 28px;padding:24px 0;max-width:1280px;margin:auto;color:var(--blue);font-size:14px}.engineering-search-contact{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin-top:24px}.engineering-search-phone{font-size:14px}.engineering-search-note,.engineering-search-parameter-note{font-size:14px;line-height:1.85;color:var(--muted)}.engineering-search-table caption{text-align:left;padding:18px 0;font-size:15px;color:var(--muted)}.engineering-search-table table{width:100%;border-collapse:collapse}.engineering-search-table th,.engineering-search-table td{padding:18px;text-align:left;border-bottom:1px solid var(--line);font-size:15px;line-height:1.8;vertical-align:top}.engineering-search-table thead{background:var(--blue);color:#fff}.engineering-search-table tbody th{width:22%;min-width:155px}.engineering-search-intro{min-height:0;padding:44px 40px}.engineering-search-intro h2{font-size:clamp(28px,3vw,40px);line-height:1.4}.engineering-search-intro .commercial-modes>a{min-height:0}.engineering-search-intro .commercial-mode>div{padding:30px}.engineering-search-intro .commercial-modes h3{font-size:27px}.engineering-search-intro .commercial-modes p{color:#d1d9e4}.engineering-search-section .commercial-field-grid{grid-template-columns:1fr 1fr}.engineering-search-section .commercial-field-grid figure{grid-template-rows:auto auto}.engineering-search-section .commercial-field-grid img{height:310px;min-height:0;object-fit:contain;background:var(--warm)}.product-visual>.product-artwork-caption{position:absolute;bottom:12px;left:20px;right:20px;text-align:center}.product-card .product-artwork-caption{font-size:12px;color:var(--muted);margin:0 0 10px}.product-visual>img{padding-bottom:28px}
@media(max-width:720px){.engineering-search-list>div{grid-template-columns:1fr;gap:10px;padding:20px 0}.engineering-search-list dt{font-size:19px}.engineering-search-list dd{font-size:16px}.engineering-search-section h2{font-size:26px}.engineering-search-intro{padding:30px 20px;margin-top:24px}.engineering-search-intro h2{font-size:28px}.engineering-search-intro .commercial-mode>div{padding:25px 20px}.engineering-search-intro .commercial-modes h3{font-size:24px}.engineering-search-section .commercial-field-grid{grid-template-columns:1fr}.engineering-search-section .commercial-field-grid img{height:auto}.engineering-search-table table{min-width:640px}.engineering-search-table:before{content:'左右滑动查看完整内容';display:block;font-size:13px;color:var(--muted);padding:10px 0}.engineering-search-contact{gap:15px}.engineering-search-links{padding:20px}.engineering-search-section .engineering-search-links{padding:20px 0}.air-family-artwork{min-width:0}.air-family-artwork .air-family-visual{min-height:0;height:auto}.air-family-artwork img{height:auto;width:100%;display:block}.air-family-artwork .product-artwork-caption{font-size:12px}.nav-open .site-nav{position:fixed;top:0;max-height:calc(100dvh - 56px);padding-top:70px}.nav-open .nav-toggle{position:fixed;top:18px;right:18px;z-index:95}.nav-open .site-header{z-index:100}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{scroll-margin-top:0}.button:hover{transform:none}}

.estate-spec-visual{height:100%;width:100%;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;padding:35px;color:var(--blue);background:var(--warm)}.estate-spec-visual>span{font-size:15px}.estate-spec-visual>strong{font-size:72px;font-weight:700;line-height:1.2;margin:22px 0}.estate-spec-visual small{font-size:24px}.estate-spec-visual p{font-size:20px;margin:0 0 20px}.product-visual--spec{display:block;min-height:430px}.product-visual--spec .estate-spec-visual{min-height:430px}.product-image--spec{padding:0!important}.product-visual--spec .estate-spec-visual strong{font-size:96px}

.compare-dock:not(.is-visible){display:none!important}

@media(max-width:720px){.compare-dock{grid-template-columns:minmax(0,1fr) auto auto;gap:8px}.compare-dock .compare-clear{display:block}.compare-dock button{padding:10px 12px;min-height:44px}.compare-dock strong{max-width:140px}.has-product-comparison{padding-bottom:calc(154px + env(safe-area-inset-bottom))}}

.nbwave-ai-launcher{box-shadow:none;background:var(--navy);color:white}.floating-call{box-shadow:none}.nbwave-ai-launcher span,.floating-call span{font-family:var(--font)}
@media(max-width:720px){.floating-call strong,.nbwave-ai-launcher strong{display:block!important}}

@media(max-width:720px){.floating-call{flex-direction:row}.floating-call strong{position:static;width:auto;height:auto;overflow:visible;clip:auto}.form-input-active .floating-call,.form-input-active .nbwave-ai-launcher{display:none!important}}

/* 2026-09-10 editorial rhythm. Existing content and original image files are retained. */
:root{--navy-2:#081321;--copper:#292D6E}
.js .reveal,.js .reveal.is-visible,.reveal{opacity:1;transform:none;transition:none}
.section{padding-top:88px;padding-bottom:88px}
.section-heading{max-width:840px;margin-bottom:38px}
.section-heading>span{font-size:11px;line-height:1.6;letter-spacing:.12em}
.section-heading h2{font-size:clamp(28px,3vw,42px);line-height:1.4}
.section-heading p{max-width:700px}
.section-heading h2,.case-card h3,.refresh-route-grid h3{text-wrap:balance}
.button{min-height:48px;border-radius:2px}
.button:hover,.product-card:hover,.air-family-card:hover{transform:none;box-shadow:none}
.product-card:hover .product-image img,.air-family-card:hover .air-family-image img{transform:none}
.text-link{line-height:1.6}
.refresh-hero{grid-template-columns:minmax(0,1fr) minmax(0,1.12fr)}
.refresh-hero-copy{padding-top:76px;padding-bottom:64px}
.refresh-hero h1{font-size:clamp(42px,4.3vw,66px);line-height:1.25}
.refresh-hero-copy>p:not(.kicker){max-width:540px;text-wrap:pretty}
.refresh-hero figure>a{min-height:430px}
.refresh-hero figcaption{padding:18px 28px;border-top:1px solid var(--line);line-height:1.7}

/* Engineering is read as a short index, separate from the product catalogue. */
.refresh-engineering{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.3fr);column-gap:80px;row-gap:28px;background:#fff}
.refresh-engineering>.section-heading{margin:0;max-width:440px}
.refresh-engineering>.section-heading h2{max-width:410px}
.refresh-route-grid{grid-template-columns:1fr;border:0}
.refresh-route-grid article,.refresh-route-grid article:first-child{display:grid;grid-template-columns:30px minmax(0,1fr);column-gap:22px;row-gap:12px;padding:28px 0;border:0;border-top:1px solid var(--line)}
.refresh-route-grid article:last-child{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.refresh-route-grid article>span{grid-column:1;grid-row:1 / span 3;padding-top:6px;font-size:12px;color:var(--blue)}
.refresh-route-grid h3,.refresh-route-grid p,.refresh-route-grid .text-link{grid-column:2;margin:0}
.refresh-route-grid h3{font-size:25px}
.refresh-route-grid p{max-width:550px}
.refresh-route-grid .text-link{margin-top:2px}
.refresh-engineering-links{grid-column:2;gap:14px 26px;margin:0;font-size:13px;line-height:1.8}

/* A single clear product stage: preserve aspect ratio, remove nested padding. */
.product-grid{gap:46px 30px}
.product-card{border:0;background:transparent;overflow:visible}
.product-card .product-image{height:330px;padding:26px 30px;background:var(--warm)}
.product-image img{width:100%;height:100%;padding:0;object-fit:contain;transition:none}
.product-body{padding:23px 0 0}
.product-card .product-artwork-caption{margin:0;padding:10px 14px;background:var(--warm);text-align:center}
.product-card h3{font-size:22px}
.product-card .product-code{overflow-wrap:anywhere}
.product-card .fact-chips span{background:var(--warm);font-size:12px}
.refresh-air-products{background:var(--warm);padding-top:76px;padding-bottom:92px}
.refresh-air-products .product-image,.refresh-air-products .product-artwork-caption{background:#fff}
.refresh-air-products .product-grid{margin-top:58px}
.refresh-air-products .air-family-grid{gap:36px}
.refresh-air-products .air-family-card{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);border:0;background:transparent;gap:24px;align-items:center}
.refresh-air-products .air-family-image{height:280px;min-height:0;background:#fff}
.refresh-air-products .air-family-image img{padding:16px;object-fit:contain;transition:none}
.refresh-air-products .air-family-card>div:last-child{padding:10px 0;min-height:0}
.refresh-air-products .air-family-card h3{font-size:24px;line-height:1.4}
.refresh-air-products .air-family-card .text-link{margin-top:22px}
.refresh-air-products .air-family-card>div:last-child>.product-artwork-caption{font-size:12px;line-height:1.65;margin:0 0 12px;background:transparent;color:var(--muted)}
.refresh-air-products .air-family-image>span{left:14px;top:14px;padding:2px 8px;border-left:2px solid var(--blue);background:#fff;color:var(--blue);font-size:11px;letter-spacing:.06em;text-shadow:none}
.refresh-air-products .product-body .fact-chips span{background:#fff}
.product-detail{gap:60px;align-items:start;margin-top:54px}
.product-visual{min-height:580px;padding:44px 38px 58px}
.product-visual>img{width:100%;height:478px;max-height:none;padding:0;object-fit:contain}
.product-visual>.product-artwork-caption{bottom:18px;margin:0}
.product-summary{padding-top:12px}
.product-summary h2{font-size:clamp(28px,3vw,42px)}
.product-summary>p:not(.product-code){font-size:17px;line-height:1.85}
.product-visual--spec{min-height:430px;padding:0}
.spec-table th,.spec-table td{padding:18px 22px;font-size:15px;line-height:1.75}
.product-inquiry{border-top:1px solid var(--line);background:var(--warm)}
.product-inquiry .lead-form{box-shadow:none;border-radius:2px}

/* Project photographs keep the entire archived image and its factual context. */
.case-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:42px 28px}
.case-grid--preview{grid-template-columns:repeat(2,minmax(0,1fr));gap:44px 36px}
.case-card{border:0;background:transparent;overflow:visible}
.case-image-link{background:#fff}
.case-image-link img,.case-card>img{width:100%;height:auto;aspect-ratio:4 / 3;object-fit:contain;background:#fff;filter:none;transition:none}
.case-card:hover .case-image-link img,.case-card:hover>img{transform:none;filter:none}
.case-card>div{padding:23px 0 0}
.case-card h3{font-size:23px;line-height:1.45;margin-top:12px}
.case-card small{margin-top:14px}
.case-card .case-tags{margin-top:14px}
.managed-case{width:min(1120px,calc(100vw - 64px));margin-top:54px}
.managed-case>header,.managed-case>.managed-body,.managed-case>footer{max-width:820px;margin-left:auto;margin-right:auto}
.managed-case>header{padding:0 0 0 24px;border-left:3px solid var(--blue);margin-bottom:40px}
.managed-case>figure{margin:0 0 48px;background:#fff}
.managed-case>figure img{width:100%;height:auto;max-height:780px;object-fit:contain}
.managed-case .history-media-gallery{gap:36px;margin-top:46px}
.history-media-gallery figure{background:#fff}
.engineering-search-section:nth-of-type(even){background:#fff}
.engineering-search-section:has(.engineering-search-table){background:var(--warm)}
.engineering-search-section:has(.commercial-field-grid){background:var(--warm)}
.engineering-search-section .commercial-field-grid{grid-template-columns:1.15fr 1fr;gap:36px;align-items:start}
.engineering-search-section .commercial-field-grid figure{border:0;background:transparent}
.engineering-search-section .commercial-field-grid img{height:auto;min-height:0;max-height:600px;aspect-ratio:auto;object-fit:contain;background:transparent}
.commercial-field-grid figcaption{padding:24px 0 0}
.engineering-search-section>.engineering-search-list{border-bottom:1px solid var(--line)}

/* History forms one distinct chapter. Labels have a separate, sufficient column. */
.brand-heritage{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:86px;background:var(--navy);color:#fff;padding-top:94px;padding-bottom:94px}
.brand-heritage .section-heading h2{font-size:clamp(30px,3vw,42px);color:#fff}
.brand-heritage .section-heading>span{color:var(--yellow)}
.brand-heritage .section-heading p,.brand-history p{color:var(--line)}
.brand-heritage .button-dark{border-color:var(--line);background:transparent;color:#fff}
.brand-history{border-color:var(--muted)}
.brand-history article{grid-template-columns:138px minmax(0,1fr);gap:24px;padding:25px 0;border-color:var(--muted)}
.brand-history time{font-family:var(--font);font-size:13px;line-height:1.7;font-weight:700;letter-spacing:.05em;color:var(--yellow);overflow-wrap:anywhere}
.brand-history h3{font-size:19px;line-height:1.6}
.brand-history p{font-size:14px;line-height:1.9}
.evidence-preview{grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:86px;padding-top:82px;padding-bottom:82px}
.evidence-timeline article{grid-template-columns:106px minmax(0,1fr);gap:22px;padding:23px 0}
.evidence-timeline time{font-size:24px;color:var(--blue);line-height:1.5;overflow-wrap:anywhere}
.evidence-timeline h3{line-height:1.6}
.evidence-timeline p{font-size:14px;line-height:1.85}
.page-home main>.section--ink{background:var(--warm);color:var(--ink)}
.page-home main>.section--ink .section-heading h2{color:var(--ink)}
.page-home main>.section--ink .section-heading>span{color:var(--blue)}
.page-home main>.section--ink .section-heading p{color:var(--muted)}
.page-home .solution-grid{gap:30px 42px;border:0;background:transparent}
.page-home .solution-card{padding:25px 0;min-height:0;border-top:1px solid var(--line);background:transparent}
.page-home .solution-card>span{font-family:var(--font);font-size:14px;color:var(--blue)}
.page-home .solution-card h3{font-size:25px;line-height:1.45;margin:20px 0 12px}
.page-home .solution-card p{color:var(--muted);line-height:1.85}
.page-home .solution-card .text-link{color:var(--blue)}
.service-band{background:#fff;color:var(--ink);border-top:1px solid var(--line);padding-top:62px;padding-bottom:62px}
.service-band>div>span{color:var(--blue)}
.service-band h2{font-size:clamp(28px,3vw,38px);line-height:1.45}
.service-band p{color:var(--muted);line-height:1.85}
.service-band .button-primary{background:var(--blue);color:#fff}
.lead-cta{background:var(--navy);color:#fff;padding-top:64px;padding-bottom:64px}
.lead-cta .kicker{color:var(--yellow)!important}
.lead-cta h2{font-size:clamp(28px,3vw,40px);line-height:1.4}
.lead-cta p{color:var(--line);line-height:1.85}
.lead-cta .button-dark{background:#fff;color:var(--blue)}

/* Technical reading stays quiet; colour marks navigation and evidence boundaries. */
.knowledge-article{width:min(880px,calc(100vw - 48px));margin:62px auto 90px;font-size:18px;line-height:1.9}
.knowledge-summary{font-size:23px;line-height:1.7;border-left:3px solid var(--blue);padding-left:24px;margin-bottom:38px}
.knowledge-article h2{font-size:28px;line-height:1.5;margin:48px 0 20px}
.knowledge-article h3{font-size:21px;line-height:1.6;margin:30px 0 14px}
.knowledge-article p{margin-bottom:1.4em}
.knowledge-article aside{padding:28px 32px;border-top:1px solid var(--line);background:var(--warm)}
.knowledge-article aside strong{font-size:19px}
.knowledge-article table{font-size:15px;line-height:1.8}
.knowledge-article img{height:auto;object-fit:contain}
.answer-article{width:min(1120px,calc(100vw - 64px));margin:56px auto 90px}
.answer-article .direct-answer{background:var(--warm);border-left:3px solid var(--blue);padding:32px 36px;grid-template-columns:112px minmax(0,1fr);gap:28px}
.answer-article .direct-answer span{color:var(--blue);line-height:1.8}
.answer-article .direct-answer p{font-size:24px;font-weight:600;line-height:1.75}
.answer-layout{grid-template-columns:minmax(0,1fr) 280px;gap:54px;padding-top:48px}
.answer-layout h2{font-size:28px;line-height:1.5}
.answer-points li{font-size:17px;font-weight:500;line-height:1.9;padding:20px 14px 20px 26px}
.answer-points li:before{width:5px;height:5px;left:3px;top:34px;background:var(--blue)}
.answer-faq summary{font-size:18px;line-height:1.65}
.answer-faq p{font-size:17px;line-height:1.9;color:var(--ink)}
.article-aside{padding:26px;position:static;border-top:1px solid var(--line)}
.article-aside p{font-size:15px;line-height:1.85}
.article-tool-link{padding:26px 28px;background:var(--navy)}
.article-tool-link strong{font-size:22px;line-height:1.5}
.product-visual:not(.product-visual--spec){flex-direction:column}
.product-identity{position:static;align-self:stretch;width:auto;display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 14px;margin:0 0 20px;padding:0 0 16px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);font-size:11px;line-height:1.6}
.product-identity br{display:none}
.product-identity b{font-size:20px;line-height:1.5;border:0;padding:0;margin:0}
.product-identity small{font-size:11px;color:var(--muted);margin-left:auto}
.product-card .product-artwork-caption{background:transparent;min-height:0;margin:-8px 0 20px;padding:0;text-align:left}

@media(max-width:1080px){
 .refresh-hero{grid-template-columns:1fr 1fr}
 .refresh-hero-copy{padding:48px 28px}
 .refresh-hero h1{font-size:45px}
 .refresh-hero figure>a{min-height:380px}
 .refresh-engineering{column-gap:42px;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
 .refresh-air-products .air-family-card{grid-template-columns:1fr;gap:18px}
 .refresh-air-products .air-family-image{height:300px}
 .brand-heritage,.evidence-preview{gap:44px;grid-template-columns:1fr}
 .brand-heritage>.section-heading,.brand-heritage>div:first-child{max-width:760px}
 .brand-history article{grid-template-columns:138px minmax(0,1fr)}
 .product-detail{gap:38px}
 .product-visual{min-height:490px;padding:32px 26px 56px}
 .product-visual>img{height:400px}
 .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .engineering-search-section .commercial-field-grid{grid-template-columns:1fr 1fr;gap:26px}
 .answer-layout{grid-template-columns:1fr;gap:36px}
}
@media(max-width:720px){
 .section{padding:52px 20px}
 .section-heading{margin-bottom:28px}
 .section-heading h2{font-size:28px;line-height:1.45}
 .refresh-hero-copy{padding:38px 20px 32px}
 .refresh-hero h1{font-size:42px}
 .refresh-hero figure>a{min-height:0}
 .refresh-hero figcaption{padding:15px 20px;font-size:12px}
 .refresh-engineering{display:block}
 .refresh-engineering>.section-heading{max-width:none;margin-bottom:30px}
 .refresh-route-grid article,.refresh-route-grid article:first-child{grid-template-columns:24px minmax(0,1fr);gap:10px 16px;padding:24px 0}
 .refresh-route-grid h3{font-size:23px}
 .refresh-route-grid article>span{padding-top:5px}
 .refresh-engineering-links{margin-top:24px;display:grid;gap:15px}
 .refresh-air-products{padding-top:50px;padding-bottom:54px}
 .refresh-air-products .air-family-grid{gap:36px}
 .refresh-air-products .air-family-card{grid-template-columns:1fr;gap:18px}
 .refresh-air-products .air-family-image{height:300px}
 .refresh-air-products .air-family-card>div:last-child{padding:0}
 .refresh-air-products .product-grid{margin-top:42px}
 .product-grid{gap:36px}
 .product-card .product-image{height:310px;padding:24px 30px}
 .product-body{padding:20px 0 0}
 .product-card h3{font-size:23px}
 .product-detail{margin-top:30px;gap:30px}
 .product-visual{min-height:390px;padding:26px 28px 54px}
 .product-visual>img{height:310px;max-height:none}
 .product-visual--spec{padding:0;min-height:390px}
 .product-visual--spec .estate-spec-visual{min-height:390px}
 .product-summary{padding-top:0}
 .product-summary h2{font-size:29px}
 .case-grid,.case-grid--preview{grid-template-columns:1fr;gap:36px}
 .case-image-link img,.case-card>img{height:auto;aspect-ratio:auto}
 .case-card>div{padding:19px 0 0}
 .case-card h3{font-size:23px}
 .managed-case{width:calc(100vw - 40px);margin-top:36px}
 .managed-case>header{padding-left:18px;margin-bottom:30px}
 .managed-case>figure{margin-bottom:34px}
 .managed-case .history-media-gallery{gap:24px}
 .engineering-search-section .commercial-field-grid{grid-template-columns:1fr;gap:34px}
 .engineering-search-section .commercial-field-grid img{height:auto;max-height:none;aspect-ratio:auto}
 .commercial-field-grid figcaption{padding:20px 0 0}
 .brand-heritage,.evidence-preview{grid-template-columns:1fr;gap:34px;padding-top:56px;padding-bottom:56px}
 .brand-heritage .section-heading h2{font-size:29px}
 .brand-history article{grid-template-columns:1fr;gap:12px;padding:24px 0}
 .brand-history time{font-size:12px;line-height:1.6}
 .brand-history h3{font-size:20px}
 .brand-history p{font-size:15px}
 .evidence-timeline article{grid-template-columns:72px minmax(0,1fr);gap:18px;padding:22px 0}
 .evidence-timeline time{font-size:21px}
 .page-home .solution-grid{grid-template-columns:1fr;gap:0}
 .page-home .solution-card{padding:25px 0}
 .service-band,.lead-cta{padding:48px 20px}
 .service-band h2,.lead-cta h2{font-size:29px}
 .knowledge-article{width:calc(100vw - 40px);margin:40px auto 60px;font-size:17px;line-height:1.9}
 .knowledge-summary{font-size:21px;padding-left:18px}
 .knowledge-article h2{font-size:25px;line-height:1.5;margin-top:38px}
 .knowledge-article h3{font-size:21px}
 .knowledge-article aside{padding:24px 20px}
 .answer-article{width:calc(100vw - 40px);margin:36px auto 60px}
 .answer-article .direct-answer{padding:24px 22px;grid-template-columns:1fr;gap:14px}
 .answer-article .direct-answer p{font-size:21px;line-height:1.75}
 .answer-layout{padding-top:38px;gap:34px}
 .answer-layout h2{font-size:25px}
 .article-aside{padding:24px 22px}
 .article-tool-link{padding:23px 22px;grid-template-columns:1fr}
 .product-identity{margin-bottom:18px;gap:6px 10px}
 .product-identity b{font-size:19px}
 .product-identity small{margin-left:0}
}
