:root {
    --ink: #151515;
    --paper: #fbfbfa;
    --stone: #f1f1ef;
    --warm: #f6f3ee;
    --orange: #b84b2f;
    --muted: #66645f;
    --line: rgba(21, 21, 21, .14);
    --sans: "Alibaba PuHuiTi 3.0", "Alibaba PuHuiTi", "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    --max: 1440px;
    --pad: clamp(24px, 5.2vw, 88px);
}

html, body { max-width: 100%; overflow-x: hidden; overflow-x: clip; }
body { background: var(--paper); font-size: 16px; }
h1, h2, h3 { text-wrap: balance; }
h1 > span, h2 > span { display: block; text-wrap: balance; }
.gf-main { overflow-x: hidden; overflow-x: clip; }
.gf-section { max-width: none; }

.gf-header {
    height: 82px;
    grid-template-columns: minmax(210px, 1fr) auto minmax(96px, 1fr);
    padding-inline: clamp(22px, 3.5vw, 64px);
    background: rgba(251, 251, 250, .94);
}
.gf-brand { align-items: center; gap: 12px; }
.gf-brand > img { width: 38px; height: 38px; object-fit: contain; }
.gf-brand > span { display: flex; flex-direction: column; line-height: 1.15; }
.gf-brand strong { font-size: 18px; letter-spacing: .04em; }
.gf-brand small { margin-top: 5px; font-size: 10px; letter-spacing: .08em; }
.gf-nav-list { gap: clamp(14px, 1.45vw, 27px); }
.gf-nav-list a { font-size: 11px; letter-spacing: .02em; }
.gf-header-cta { padding: 10px 17px; background: transparent; border: 1px solid var(--ink); color: var(--ink); }
.gf-header-cta:hover { background: var(--ink); color: #fff; }

.gf-hero {
    min-height: clamp(700px, 88svh, 920px);
    padding: 168px var(--pad) 92px;
    align-items: flex-end;
    background-color: #d8d7d3;
    background-image: linear-gradient(90deg, rgba(8,8,8,.72), rgba(8,8,8,.34)), var(--gf-hero-image);
    background-position: center;
}
.gf-hero-placeholder { position: absolute; inset: 82px 0 0; overflow: hidden; background: #d7d6d2; color: #bab8b2; }
.gf-hero-placeholder:after { content: ""; position: absolute; inset: 0; background: rgba(12,12,12,.42); }
.gf-hero[style] .gf-hero-placeholder { display: none; }
.gf-hero-placeholder span { position: absolute; right: 6vw; top: 13%; font-size: clamp(48px, 9vw, 150px); font-weight: 700; letter-spacing: -.06em; opacity: .58; }
.gf-hero-placeholder i { position: absolute; right: 8vw; bottom: -13vw; width: 45vw; height: 45vw; border: 1px solid #b4b2ad; border-radius: 50%; }
.gf-hero:has(.gf-hero-placeholder:not([hidden])):not([style]) { background-image: linear-gradient(90deg, rgba(8,8,8,.64), rgba(8,8,8,.12)); }
.gf-hero-copy { width: min(690px, 68vw); }
.gf-hero h1 { margin-bottom: 27px; font-size: clamp(54px, 6vw, 90px); font-weight: 650; line-height: 1.13; letter-spacing: -.045em; }
.gf-hero-intro { max-width: 590px; color: rgba(255,255,255,.84); font-size: 15px; line-height: 2; }
.gf-button { min-height: 50px; padding-inline: 25px; }
.gf-button.is-primary { background: #fff; border-color: #fff; color: var(--ink); }
.gf-button.is-primary:hover { background: var(--ink); border-color: var(--ink); color: #fff; }

.gf-editorial-head h2 { font-weight: 580; letter-spacing: -.035em; }
.gf-service-visual { display: flex; align-items: flex-end; justify-content: space-between; padding: 18px; background: #e4e3df !important; }
.gf-service-visual:after { inset: 0; border: 0; border-top: 1px solid rgba(21,21,21,.16); border-bottom: 1px solid rgba(21,21,21,.16); }
.gf-service-visual span { position: static; color: #77746d; }
.gf-service-visual small { color: #aaa7a1; font-size: 8px; letter-spacing: .18em; }
.gf-service-tile:nth-child(even) .gf-service-visual { background: #d8d6d0 !important; }

.gf-core-grid article { min-height: 280px; }
.gf-core-grid b { font-size: clamp(28px, 3.4vw, 48px); font-weight: 580; }
.gf-case-pending { padding: clamp(48px, 7vw, 90px); border: 1px solid rgba(255,255,255,.2); }
.gf-case-pending b { display: block; margin-bottom: 10px; font-size: 22px; }
.gf-case-pending p { margin: 0; color: #aaa59e; font-size: 12px; }

.gf-brand-strip { background: var(--warm); }
.gf-brand-row { grid-template-columns: 1fr 1fr auto; }
.gf-brand-fallback .gf-brand-row { display: grid; }
.gf-brand-fallback strong { font-size: 18px; }

.gf-nasta-feature { display: grid; grid-template-columns: 1.25fr .75fr; min-height: 680px; background: #ececea; }
.gf-nasta-feature figure { min-height: 540px; margin: 0; overflow: hidden; }
.gf-nasta-feature figure img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s cubic-bezier(.22,.61,.36,1); }
.gf-nasta-feature:hover figure img { transform: scale(1.018); }
.gf-nasta-feature > div { align-self: center; padding: clamp(55px, 7vw, 110px); }
.gf-nasta-feature h2 { margin-bottom: 26px; font-size: clamp(40px, 4.6vw, 68px); font-weight: 580; line-height: 1.2; letter-spacing: -.04em; }
.gf-nasta-feature > div > p:not(.gf-kicker) { color: var(--muted); font-size: 13px; line-height: 2; }

.gf-process { background: #fff; }
.gf-process-list { margin: 0; padding: 0; border-top: 1px solid var(--line); list-style: none; }
.gf-process-list li { display: grid; grid-template-columns: 74px 1fr; align-items: center; min-height: 88px; border-bottom: 1px solid var(--line); }
.gf-process-list span { color: var(--orange); font-size: 10px; letter-spacing: .15em; }
.gf-process-list b { font-size: 17px; font-weight: 550; }

.gf-topic-list { border-top: 1px solid var(--line); }
.gf-topic-list > span { display: flex; justify-content: space-between; gap: 30px; padding: 24px 0; border-bottom: 1px solid var(--line); font-weight: 550; }
.gf-topic-list i { color: var(--muted); font-size: 10px; font-style: normal; font-weight: 400; }

.gf-site-consult { display: flex; justify-content: space-between; align-items: flex-end; gap: 60px; padding: clamp(75px, 9vw, 130px) var(--pad); background: var(--ink); color: #fff; }
.gf-site-consult h2 { margin: 0; font-size: clamp(38px, 4.4vw, 66px); font-weight: 580; line-height: 1.2; letter-spacing: -.04em; }
.gf-consult-link { display: inline-flex; align-items: center; gap: 42px; min-width: 190px; padding: 0 0 11px; border-bottom: 1px solid rgba(255,255,255,.75); font-size: 13px; white-space: nowrap; }
.gf-consult-link span { color: #d9795e; }
.gf-footer { padding: 45px var(--pad) 30px; grid-template-columns: .8fr 1.3fr 1fr; gap: 45px; background: #0e0e0e; }
.gf-footer-brand b { font-size: 20px; }
.gf-footer-brand span, .gf-footer-company p, .gf-footer-company strong, .gf-footer-legal p, .gf-footer-legal > a, .gf-footer-legal small { font-size: 10px; line-height: 1.8; }
.gf-footer-company strong { font-weight: 550; }
body { padding-bottom: 0 !important; }

.gf-brand-directory { border-top: 1px solid var(--line); }
.gf-brand-entry { display: grid; grid-template-columns: 150px minmax(180px, .55fr) 1fr auto; gap: clamp(20px, 4vw, 70px); align-items: center; min-height: 150px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.gf-brand-entry > p { margin: 0; color: var(--orange); font-size: 10px; letter-spacing: .08em; }
.gf-brand-entry h2 { margin: 0; font-size: clamp(24px, 2.2vw, 34px); font-weight: 620; letter-spacing: -.02em; }
.gf-brand-entry h2, .gf-nasta-product-card h2, .gf-nasta-product-head h1 { overflow-wrap: anywhere; }
.gf-brand-entry > span { color: var(--muted); font-size: 12px; line-height: 1.9; }
.gf-brand-entry > a { font-size: 11px; white-space: nowrap; }
.gf-brand-entry i { margin-left: 16px; color: var(--orange); font-style: normal; }
.gf-brand-facts { display: grid; grid-template-columns: repeat(3, 1fr); margin-bottom: 90px; border-block: 1px solid var(--line); }
.gf-brand-facts section { min-height: 270px; padding: 34px; border-right: 1px solid var(--line); }
.gf-brand-facts section:last-child { border-right: 0; }
.gf-brand-facts span { color: var(--orange); font-size: 9px; letter-spacing: .14em; }
.gf-brand-facts h2 { margin: 72px 0 18px; font-size: 24px; font-weight: 580; }
.gf-brand-facts p { margin: 0; color: var(--muted); font-size: 12px; }
.gf-brand-prose { max-width: 900px; margin-bottom: 100px; }
.gf-related-cases { padding: 90px 0; border-top: 1px solid var(--line); }
.gf-related-cases > header h2 { font-size: 40px; font-weight: 580; }

.gf-knowledge-list { border-top: 1px solid var(--line); }
.gf-knowledge-entry { display: grid; grid-template-columns: 130px 1fr 40px; gap: 36px; align-items: start; padding: 34px 0; border-bottom: 1px solid var(--line); }
.gf-knowledge-entry > p { margin: 7px 0 0; color: var(--muted); font-size: 10px; }
.gf-knowledge-entry h2 { margin: 0 0 10px; font-size: clamp(22px, 2.1vw, 32px); font-weight: 580; }
.gf-knowledge-entry div > span { display: block; max-width: 760px; color: var(--muted); font-size: 12px; line-height: 1.9; }
.gf-knowledge-entry > a { color: var(--orange); font-size: 18px; }
.gf-article > header > span { display: block; max-width: 720px; margin-top: 22px; color: var(--muted); line-height: 1.9; }
.gf-article-nav { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-top: 90px; padding-top: 25px; border-top: 1px solid var(--line); font-size: 12px; }
.gf-article-nav span:last-child { text-align: right; }

.gf-sitemap-page .gf-article > header > span { display: block; margin-top: 20px; color: var(--muted); line-height: 1.9; }
.gf-sitemap-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(30px, 5vw, 70px); margin-top: 70px; border-top: 1px solid var(--line); }
.gf-sitemap-grid section { min-width: 0; padding-top: 28px; }
.gf-sitemap-grid h2 { margin: 0 0 22px; font-size: 20px; font-weight: 580; }
.gf-sitemap-grid ul { margin: 0; padding: 0; list-style: none; }
.gf-sitemap-grid li { border-bottom: 1px solid var(--line); }
.gf-sitemap-grid a { display: flex; justify-content: space-between; gap: 20px; padding: 15px 0; font-size: 12px; }
.gf-sitemap-grid a span { color: var(--orange); }

.gf-breadcrumb { display: flex; gap: 10px; padding: 112px var(--pad) 25px; color: var(--muted); font-size: 10px; }
.gf-breadcrumb b { color: var(--ink); font-weight: 550; }
.gf-breadcrumb + .gf-main > .gf-page-hero { padding-top: clamp(65px, 7vw, 105px); }
.gf-breadcrumb + .gf-main.gf-detail, .gf-breadcrumb + .gf-main.gf-case-detail, .gf-breadcrumb + .gf-main.gf-article-wrap, .gf-breadcrumb + .gf-main.gf-nasta-product-detail { padding-top: clamp(70px, 8vw, 115px); }
.gf-nasta-hero { display: grid; grid-template-columns: .82fr 1.18fr; min-height: 670px; background: #ececea; }
.gf-nasta-hero > div { align-self: center; padding: clamp(62px, 7vw, 110px) var(--pad); }
.gf-nasta-hero h1 { margin-bottom: 28px; font-size: clamp(48px, 5.5vw, 82px); font-weight: 600; line-height: 1.14; letter-spacing: -.05em; }
.gf-nasta-hero > div > p:not(.gf-kicker) { max-width: 610px; color: var(--muted); font-size: 13px; line-height: 2; }
.gf-nasta-hero figure { min-height: 600px; margin: 0; overflow: hidden; }
.gf-nasta-hero figure img { width: 100%; height: 100%; object-fit: cover; }
.gf-nasta-hero .gf-button { border-color: var(--ink); }
.gf-nasta-hero .gf-button.is-primary { background: var(--ink); color: #fff; }
.gf-nasta-category-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.gf-nasta-category-grid article { min-width: 0; padding: 18px; background: var(--paper); }
.gf-nasta-category-grid figure { aspect-ratio: 1 / 1; margin: 0 0 25px; overflow: hidden; background: #fff; }
.gf-nasta-category-grid img { width: 100%; height: 100%; object-fit: contain; }
.gf-nasta-category-grid article > span, .gf-nasta-path li > span, .gf-selection-steps article > span, .gf-nasta-service-grid article > span { color: var(--orange); font-size: 9px; letter-spacing: .14em; }
.gf-nasta-category-grid h3 { margin: 9px 0; font-size: 17px; font-weight: 600; }
.gf-nasta-category-grid p { color: var(--muted); font-size: 11px; line-height: 1.8; }
.gf-nasta-path { background: var(--stone); }
.gf-nasta-path ol { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; border-block: 1px solid var(--line); list-style: none; }
.gf-nasta-path li { min-height: 260px; padding: 30px; border-right: 1px solid var(--line); }
.gf-nasta-path li:last-child { border-right: 0; }
.gf-nasta-path li b { display: block; margin: 95px 0 12px; font-size: 20px; font-weight: 580; }
.gf-nasta-path li p { color: var(--muted); font-size: 11px; }
.gf-selection-steps { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--line); }
.gf-selection-steps article { min-height: 250px; padding: 34px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.gf-selection-steps article:nth-child(even) { border-right: 0; }
.gf-selection-steps h3 { margin: 75px 0 12px; font-size: 24px; font-weight: 580; }
.gf-selection-steps p { max-width: 480px; color: var(--muted); font-size: 12px; }
.gf-nasta-products { background: #fff; }
.gf-nasta-product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: clamp(18px, 2.5vw, 38px); }
.gf-nasta-product-card .gf-card-media { aspect-ratio: 1 / 1; background: #f3f3f1; }
.gf-nasta-product-card .gf-card-media img { width: 100%; height: 100%; object-fit: contain; }
.gf-nasta-product-card > div { padding-top: 20px; }
.gf-nasta-product-card > div > p { margin-bottom: 8px; color: var(--orange); font-size: 9px; letter-spacing: .1em; }
.gf-nasta-product-card h2 { margin: 0 0 10px; font-size: 21px; font-weight: 600; }
.gf-nasta-product-card > div > span { display: block; min-height: 46px; color: var(--muted); font-size: 11px; line-height: 1.8; }
.gf-nasta-product-card > div > a { display: inline-block; margin-top: 18px; font-size: 11px; }
.gf-nasta-maintenance { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 650px; background: var(--warm); }
.gf-nasta-maintenance figure { margin: 0; overflow: hidden; }
.gf-nasta-maintenance figure img { width: 100%; height: 100%; object-fit: contain; background: #fff; }
.gf-nasta-maintenance > div { align-self: center; padding: clamp(55px, 7vw, 110px); }
.gf-nasta-maintenance h2 { font-size: clamp(38px, 4.4vw, 64px); font-weight: 580; line-height: 1.2; letter-spacing: -.04em; }
.gf-nasta-maintenance > div > p:last-child { color: var(--muted); font-size: 13px; line-height: 2; }
.gf-nasta-service-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-block: 1px solid var(--line); }
.gf-nasta-service-grid article { min-height: 250px; padding: 32px; border-right: 1px solid var(--line); }
.gf-nasta-service-grid article:last-child { border-right: 0; }
.gf-nasta-service-grid h3 { margin: 75px 0 12px; font-size: 24px; font-weight: 580; }
.gf-nasta-service-grid p { color: var(--muted); font-size: 12px; }
.gf-faq-list { border-top: 1px solid var(--line); }
.gf-faq-list details { border-bottom: 1px solid var(--line); }
.gf-faq-list summary { position: relative; padding: 26px 50px 26px 0; cursor: pointer; font-size: 16px; font-weight: 550; list-style: none; }
.gf-faq-list summary::-webkit-details-marker { display: none; }
.gf-faq-list summary:after { content: "+"; position: absolute; right: 3px; font-size: 20px; font-weight: 300; }
.gf-faq-list details[open] summary:after { content: "−"; }
.gf-faq-list details p { max-width: 850px; padding: 0 0 28px; color: var(--muted); font-size: 12px; }

.gf-nasta-filters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; align-items: end; margin-bottom: 38px; }
.gf-nasta-filters label { display: flex; flex-direction: column; gap: 7px; }
.gf-nasta-filters label span { font-size: 9px; letter-spacing: .1em; }
.gf-nasta-filters input, .gf-nasta-filters select { width: 100%; height: 48px; padding: 0 12px; border: 1px solid var(--line); border-radius: 0; background: #fff; }
.gf-nasta-filters button, .gf-nasta-filters > a { height: 48px; display: grid; place-items: center; border: 1px solid var(--ink); background: var(--ink); color: #fff; font-size: 11px; }
.gf-nasta-filters > a { background: #fff; color: var(--ink); }
.gf-result-count { margin-bottom: 28px; color: var(--muted); font-size: 11px; }
.gf-nasta-product-detail { padding: 150px var(--pad) 120px; }
.gf-nasta-product-head { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; align-items: center; min-height: 600px; }
.gf-nasta-product-head h1 { margin: 0 0 18px; font-size: clamp(44px, 5.2vw, 76px); font-weight: 600; line-height: 1.15; }
.gf-nasta-product-head b, .gf-nasta-product-head span { display: block; margin-bottom: 9px; }
.gf-nasta-product-head b { font-size: 20px; }
.gf-nasta-product-head span { color: var(--muted); font-size: 12px; }
.gf-nasta-product-head div > p:last-child { margin-top: 28px; color: var(--muted); font-size: 13px; line-height: 2; }
.gf-nasta-product-head figure { display: grid; place-items: center; aspect-ratio: 1 / 1; margin: 0; background: #f3f3f1; color: var(--muted); font-size: 10px; letter-spacing: .15em; }
.gf-nasta-product-head figure img { width: 100%; height: 100%; object-fit: contain; }
.gf-nasta-product-body { max-width: 980px; margin: 100px auto; }
.gf-nasta-product-body > section { padding: 55px 0; border-top: 1px solid var(--line); }
.gf-nasta-product-body h2 { font-size: 32px; font-weight: 580; }
.gf-nasta-product-body > section > p:last-child { color: var(--muted); line-height: 2; }
.gf-spec-table { margin: 0; border-top: 1px solid var(--line); }
.gf-spec-table > div { display: grid; grid-template-columns: 220px 1fr; border-bottom: 1px solid var(--line); }
.gf-spec-table dt, .gf-spec-table dd { margin: 0; padding: 16px; font-size: 12px; }
.gf-spec-table dt { background: var(--stone); font-weight: 550; }

@media (max-width: 1180px) {
    .gf-header { grid-template-columns: 1fr auto; }
    .gf-desktop-nav, .gf-header-cta { display: none; }
    .gf-menu-toggle { justify-self: end; display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 46px; height: 46px; padding: 0; border: 0; background: transparent; }
    .gf-menu-toggle span { display: block; width: 24px; height: 1px; margin-left: auto; background: var(--ink); transition: .3s; }
    .gf-menu-toggle em { position: absolute; opacity: 0; }
    .gf-menu-open .gf-menu-toggle span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
    .gf-menu-open .gf-menu-toggle span:nth-child(2) { opacity: 0; }
    .gf-menu-open .gf-menu-toggle span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
    .gf-mobile-nav { position: fixed; z-index: 70; top: 82px; left: 0; right: 0; height: calc(100svh - 82px); padding: 44px var(--pad); display: flex; flex-direction: column; background: var(--paper); transform: translateY(-110%); visibility: hidden; transition: transform .45s, visibility .45s; }
    .gf-menu-open .gf-mobile-nav { transform: none; visibility: visible; }
    .gf-mobile-nav .gf-nav-list { display: flex; flex-direction: column; align-items: flex-start; gap: 0; }
    .gf-mobile-nav .gf-nav-list li { width: 100%; border-bottom: 1px solid var(--line); }
    .gf-mobile-nav .gf-nav-list a { display: block; padding: 14px 0; font-size: 21px; }
    .gf-mobile-consult { margin-top: auto; padding: 15px; background: var(--ink); color: #fff; text-align: center; }
}

@media (max-width: 782px) {
    .gf-header { height: 72px; padding-inline: 18px; }
    .gf-brand > img { width: 34px; height: 34px; }
    .gf-brand strong { font-size: 16px; }
    .gf-brand small { display: block; font-size: 9px; letter-spacing: .05em; }
    .gf-mobile-nav { top: 72px; height: calc(100svh - 72px); padding: 32px 24px 24px; }
    .gf-mobile-nav .gf-nav-list a { padding: 13px 0; font-size: 19px; }
    .gf-mobile-consult { margin-top: 26px; }
    .gf-hero { min-height: 700px; padding: 130px 24px 68px; align-items: flex-end; }
    .gf-hero-placeholder { inset-block-start: 72px; }
    .gf-hero-placeholder span { top: 14%; right: -3vw; font-size: 20vw; }
    .gf-hero-placeholder i { right: -24vw; bottom: 9vh; width: 88vw; height: 88vw; }
    .gf-hero-copy { width: 100%; }
    .gf-hero h1 { font-size: clamp(42px, 12vw, 56px); line-height: 1.14; }
    .gf-hero-intro { max-width: 340px; font-size: 12px; line-height: 1.9; }
    .gf-actions { gap: 9px; }
    .gf-button { min-width: 0; min-height: 46px; padding-inline: 18px; font-size: 11px; }
    .gf-editorial-head h2 { font-size: clamp(32px, 9.6vw, 43px); }
    .gf-service-visual { aspect-ratio: 1.5 / 1; }
    .gf-core-grid article { min-height: 205px; }
    .gf-nasta-feature { grid-template-columns: 1fr; }
    .gf-nasta-feature figure { min-height: 390px; }
    .gf-nasta-feature > div { padding: 70px 24px 82px; }
    .gf-nasta-feature h2 { font-size: 40px; }
    .gf-process-list li { grid-template-columns: 48px 1fr; min-height: 76px; }
    .gf-site-consult { align-items: flex-start; flex-direction: column; padding: 76px 24px; }
    .gf-site-consult h2 { font-size: 38px; }
    .gf-consult-link { min-width: min(100%, 260px); }
    .gf-footer { grid-template-columns: 1fr; padding: 38px 24px 28px; gap: 24px; }
    .gf-footer-legal { grid-column: auto; text-align: left; }
    .gf-footer-legal p { justify-content: flex-start; flex-wrap: wrap; }
    .gf-brand-entry { grid-template-columns: 1fr auto; gap: 12px 20px; min-height: 0; padding: 26px 0; }
    .gf-brand-entry > p { grid-column: 1 / -1; }
    .gf-brand-entry > span { grid-column: 1 / -1; }
    .gf-brand-entry h2 { font-size: 25px; }
    .gf-brand-facts { grid-template-columns: 1fr; }
    .gf-brand-facts section { min-height: 190px; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .gf-brand-facts h2 { margin-top: 45px; }
    .gf-knowledge-entry { grid-template-columns: 1fr 28px; gap: 12px; }
    .gf-knowledge-entry > p { grid-column: 1 / -1; }
    .gf-knowledge-entry h2 { font-size: 22px; }
    .gf-article-nav { grid-template-columns: 1fr; }
    .gf-article-nav span:last-child { text-align: left; }
    .gf-breadcrumb { padding: 94px 24px 20px; overflow-x: auto; white-space: nowrap; }
    .gf-nasta-hero { grid-template-columns: 1fr; }
    .gf-nasta-hero > div { padding: 66px 24px; }
    .gf-nasta-hero h1 { font-size: 43px; }
    .gf-nasta-hero figure { min-height: 390px; }
    .gf-nasta-category-grid { grid-template-columns: 1fr; }
    .gf-nasta-category-grid article { display: grid; grid-template-columns: 100px 45px 1fr; gap: 5px 15px; align-items: center; padding: 14px; }
    .gf-nasta-category-grid figure { grid-row: 1 / 4; margin: 0; }
    .gf-nasta-category-grid article > span { align-self: end; }
    .gf-nasta-category-grid h3, .gf-nasta-category-grid p { grid-column: 3; }
    .gf-nasta-category-grid h3 { margin: 0; }
    .gf-nasta-category-grid p { margin: 0; }
    .gf-nasta-path ol { grid-template-columns: 1fr; }
    .gf-nasta-path li { min-height: 170px; padding: 25px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .gf-nasta-path li b { margin-top: 55px; }
    .gf-selection-steps { grid-template-columns: 1fr; }
    .gf-selection-steps article { min-height: 205px; padding: 28px 0; border-right: 0; }
    .gf-selection-steps h3 { margin-top: 55px; }
    .gf-nasta-product-grid { grid-template-columns: 1fr; }
    .gf-nasta-product-card > div > span { min-height: 0; }
    .gf-nasta-maintenance { grid-template-columns: 1fr; }
    .gf-nasta-maintenance figure { min-height: 360px; }
    .gf-nasta-maintenance > div { padding: 70px 24px; }
    .gf-nasta-maintenance h2 { font-size: 36px; }
    .gf-nasta-service-grid { grid-template-columns: 1fr; }
    .gf-nasta-service-grid article { min-height: 185px; padding: 28px 0; border-right: 0; border-bottom: 1px solid var(--line); }
    .gf-nasta-service-grid h3 { margin-top: 52px; }
    .gf-nasta-filters { grid-template-columns: 1fr; }
    .gf-nasta-product-detail { padding: 120px 24px 90px; }
    .gf-nasta-product-head { grid-template-columns: 1fr; gap: 45px; }
    .gf-nasta-product-head h1 { font-size: 43px; }
    .gf-nasta-product-body { margin-block: 75px; }
    .gf-spec-table > div { grid-template-columns: 115px 1fr; }
    .gf-spec-table dt, .gf-spec-table dd { padding: 13px 10px; }
}

@media (max-width: 390px) {
    .gf-brand { gap: 8px; }
    .gf-brand > img { width: 31px; height: 31px; }
    .gf-brand small { font-size: 8px; }
    .gf-hero { min-height: 660px; }
    .gf-hero h1 { font-size: 41px; }
    .gf-editorial-head h2 { font-size: 33px; }
    .gf-site-consult h2 { font-size: 32px; }
}

@media (prefers-reduced-motion: reduce) {
    .gf-nasta-feature figure img { transform: none !important; }
}

/* Unified project consultation */
.gf-contact-form-section { display: grid; grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr); gap: clamp(55px, 8vw, 130px); max-width: var(--max); margin: 0 auto; padding: 100px var(--pad) 140px; }
.gf-contact-intro { position: sticky; top: 130px; align-self: start; }
.gf-contact-intro h2 { margin: 12px 0 24px; font-size: clamp(34px, 4vw, 54px); font-weight: 500; letter-spacing: -.04em; }
.gf-contact-intro > p:not(.gf-kicker) { max-width: 360px; color: var(--muted); line-height: 1.9; }
.gf-contact-phone { margin-top: 36px; font-size: 12px; }
.gf-contact-phone a { color: var(--ink); }
.gf-project-form { min-width: 0; }
.gf-project-form input, .gf-project-form select, .gf-project-form textarea { min-width: 0; max-width: 100%; }
.gf-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px 22px; }
.gf-form-field-wide { grid-column: 1 / -1; }
.gf-form-field[hidden] { display: none !important; }
.gf-form-field label { display: block; margin-bottom: 10px; font-size: 12px; font-weight: 600; letter-spacing: .04em; }
.gf-form-field label em { margin-left: 5px; color: #a34a32; font-size: 10px; font-style: normal; font-weight: 500; }
.gf-project-form input:not([type="checkbox"]):not([type="file"]), .gf-project-form select, .gf-project-form textarea { box-sizing: border-box; width: 100%; min-height: 50px; padding: 13px 14px; border: 1px solid #c9c8c4; border-radius: 0; background: #fff; color: var(--ink); font: inherit; font-size: 16px; line-height: 1.55; }
.gf-project-form textarea { min-height: 112px; resize: vertical; }
.gf-project-form input:focus, .gf-project-form select:focus, .gf-project-form textarea:focus { outline: 2px solid rgba(35, 33, 30, .18); outline-offset: 1px; border-color: var(--ink); }
.gf-project-form input[type="file"] { box-sizing: border-box; width: 100%; padding: 14px; border: 1px dashed #aaa9a4; background: #f7f7f5; font-size: 12px; }
.gf-form-help { margin: 8px 0 0; color: var(--muted); font-size: 11px; line-height: 1.7; }
.gf-field-error { display: block; min-height: 17px; margin-top: 4px; color: #a33a2a; font-size: 11px; }
.gf-consent { display: flex; align-items: flex-start; gap: 10px; margin: 30px 0 4px; color: var(--muted); font-size: 12px; line-height: 1.75; }
.gf-consent input { flex: 0 0 auto; width: 18px; height: 18px; margin-top: 2px; }
.gf-consent a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.gf-form-message { min-height: 24px; margin: 15px 0; font-size: 13px; line-height: 1.7; }
.gf-form-message.is-error { color: #a33a2a; }
.gf-form-message.is-success { padding: 14px 16px; border-left: 3px solid #446b52; background: #eef4ef; color: #264d32; }
.gf-form-submit { min-width: 190px; border-color: var(--ink); background: var(--ink); color: #fff; }
.gf-form-submit:disabled { cursor: wait; opacity: .62; }
.gf-honeypot { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

@media (max-width: 767px) {
    .gf-contact-form-section { grid-template-columns: 1fr; gap: 55px; padding: 72px 24px 100px; }
    .gf-contact-intro { position: static; }
    .gf-contact-intro h2 { font-size: 35px; }
    .gf-form-grid { grid-template-columns: 1fr; gap: 20px; }
    .gf-form-field-wide { grid-column: auto; }
    .gf-form-submit { width: 100%; min-height: 52px; }
    .gf-project-form input:not([type="checkbox"]):not([type="file"]), .gf-project-form select, .gf-project-form textarea { font-size: 16px; }
    .gf-sitemap-grid { grid-template-columns: 1fr; gap: 42px; margin-top: 50px; }
}