:root {
  --ink: #15191f;
  --muted: #66717f;
  --line: #e1e6ec;
  --soft: #f4f7f8;
  --panel: #ffffff;
  --deep: #070d12;
  --blue: #164b5f;
  --cyan: #20b8c7;
  --orange: #f47a2a;
  --red: #c7482a;
  --max: 1350px;
  --radius: 8px;
  --shadow: 0 18px 50px rgba(9, 18, 38, .14);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); font-family: Arial, Helvetica, sans-serif; line-height: 1.55; background: #f5f7fa; }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
.site-header { position: sticky; top: 0; z-index: 40; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; min-height: 76px; padding: 0 clamp(16px, 4vw, 54px); color: var(--ink); background: rgba(255, 255, 255, .9); border-bottom: 1px solid rgba(20,31,42,.12); backdrop-filter: blur(16px); box-shadow: 0 10px 30px rgba(9, 18, 30, .07); }
.home .site-header:not(.is-scrolled) { color: #fff; background: linear-gradient(180deg, rgba(5,7,13,.78), rgba(5,7,13,.18)); border-bottom-color: rgba(255,255,255,.14); box-shadow: none; }
.brand { display: inline-flex; align-items: center; gap: 10px; min-width: 230px; }
.brand-logo { width: 132px; height: 48px; object-fit: contain; padding: 0; background: transparent; border-radius: 0; }
.brand-logo-light { display: none; }
.home .site-header:not(.is-scrolled) .brand-logo-dark { display: block; }
.home .site-header:not(.is-scrolled) .brand-logo-light { display: none; }
.brand span { display: none; }
.brand strong { display: block; font-size: 13px; letter-spacing: .08em; }
.brand small { display: block; color: #6d7681; font-size: 11px; line-height: 1.2; }
.main-nav { display: flex; justify-content: center; align-items: center; gap: 2px; }
.main-nav a { min-height: 42px; padding: 12px 10px; color: #39424d; font-weight: 800; font-size: 13px; }
.main-nav a:hover, .main-nav a.active { color: var(--deep); background: #eef4f5; border-radius: 6px; }
.home .site-header:not(.is-scrolled) .main-nav a { color: #193b59; }
.home .site-header:not(.is-scrolled) .main-nav a:hover, .home .site-header:not(.is-scrolled) .main-nav a.active { color: #102b46; background: rgba(255,255,255,.52); }
.quote-btn, .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 20px; border-radius: 6px; font-weight: 900; font-size: 14px; border: 0; cursor: pointer; }
.quote-btn, .btn.primary { color: #fff; background: linear-gradient(135deg, #f47a2a, #c84b2c); box-shadow: 0 10px 26px rgba(200,75,44,.2); }
.btn.secondary { color: #fff; border: 1px solid rgba(255,255,255,.38); background: rgba(255,255,255,.08); }
.btn.outline { color: var(--orange); border: 1px solid rgba(255,90,31,.5); background: #fff; }
.menu-toggle { display: none; width: 42px; height: 42px; border: 0; background: transparent; }
.menu-toggle span { display: block; height: 2px; margin: 7px 6px; background: var(--ink); }
.home .site-header:not(.is-scrolled) .menu-toggle span { background: #193b59; }
.hero { position: relative; overflow: hidden; min-height: 760px; padding: 76px clamp(20px, 5vw, 70px) 38px; color: #102b46; background: #e7f1fc; }
.hero-bg { position: absolute; inset: 0; background: url("../images/home-hero-product-suite-expanded.webp") center / cover no-repeat; }
.hero-bg::after, .page-hero::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(60deg, rgba(255,255,255,.08) 1px, transparent 1px), linear-gradient(120deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 88px 152px; opacity: .32; pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: minmax(300px, 540px) 1fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.eyebrow, .section-kicker { display: inline-block; margin: 0 0 12px; color: var(--cyan); font-weight: 900; text-transform: uppercase; font-size: 15px; letter-spacing: .08em; }
.hero h1 { margin: 0 0 18px; font-size: clamp(38px, 5.4vw, 68px); line-height: 1; letter-spacing: 0; max-width: 740px; color: #102b46; text-shadow: 0 2px 16px rgba(255,255,255,.35); }
.hero-lead { max-width: 620px; margin: 0 0 26px; color: rgba(16,43,70,.78); font-size: 18px; }
.hero-actions, .link-row { display: flex; flex-wrap: wrap; gap: 12px; }
.trust-strip { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.trust-strip span { padding: 8px 10px; border: 1px solid rgba(16,86,147,.22); border-radius: 6px; color: rgba(16,43,70,.84); font-size: 12px; font-weight: 800; background: rgba(255,255,255,.42); }
.stats-panel { position: relative; z-index: 1; max-width: var(--max); margin: 42px auto 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; overflow: hidden; border-radius: var(--radius); background: rgba(16,86,147,.12); border: 1px solid rgba(16,86,147,.14); }
.stats-panel div { padding: 24px; background: rgba(255,255,255,.54); }
.stats-panel strong { display: block; font-size: clamp(26px, 4vw, 40px); line-height: 1; }
.stats-panel span { display: block; margin-top: 8px; color: rgba(16,43,70,.68); font-weight: 800; }
.section { max-width: var(--max); margin: 0 auto; padding: 76px clamp(20px, 4vw, 34px); background: transparent; }
.section-heading { margin-bottom: 30px; }
.section-heading.center { max-width: 760px; margin-left: auto; margin-right: auto; text-align: center; }
.section-heading.split { display: flex; justify-content: space-between; align-items: end; gap: 20px; }
h1, h2, h3, p { overflow-wrap: anywhere; }
.section h2, .page-hero h1, .cta-band h2, .factory-strip h2, .solution-band h2 { margin: 0; line-height: 1.08; letter-spacing: 0; }
.section h2, .cta-band h2, .factory-strip h2, .solution-band h2 { font-size: clamp(30px, 4vw, 48px); }
.section-heading p, .copy-block p, .copy-block li { color: var(--muted); }
.product-center { --float-card-w: 350px; position: relative; max-width: none; overflow: hidden; padding: 108px 0 94px; background: radial-gradient(circle at 50% 51%, rgba(74,144,226,.18), transparent 24%), linear-gradient(180deg, #f8fafc 0%, #edf3f8 52%, #f8fafc 100%); }
.product-center::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(60deg, rgba(74,144,226,.09) 1px, transparent 1px), linear-gradient(120deg, rgba(74,144,226,.07) 1px, transparent 1px), radial-gradient(circle at 50% 44%, rgba(74,144,226,.18), transparent 1px); background-size: 110px 190px, 110px 190px, 26px 26px; opacity: .5; mask-image: linear-gradient(180deg, transparent, #000 15%, #000 84%, transparent); pointer-events: none; }
.product-center::after { content: ""; position: absolute; left: 50%; top: 52%; width: min(740px, 60vw); height: min(740px, 60vw); transform: translate(-50%, -50%); border: 1px solid rgba(74,144,226,.16); border-radius: 50%; box-shadow: 0 0 0 52px rgba(74,144,226,.035), 0 0 0 124px rgba(74,144,226,.025); pointer-events: none; }
.product-center .section-heading, .product-center .product-float-matrix, .product-center .center-link { position: relative; z-index: 1; }
.product-center .section-heading { max-width: 860px; padding: 0 20px; }
.product-center .section-heading p { max-width: 760px; margin: 14px auto 0; color: var(--muted); }
.product-float-matrix { width: 100%; max-width: min(1400px, calc(100vw - 72px)); margin: 58px auto 42px; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); grid-template-areas: ". . sauna sauna sauna . ." "pad pad film film film panel panel" ". floor floor . wall wall ."; gap: 32px clamp(20px, 3vw, 46px); align-items: center; justify-items: center; perspective: 1200px; transform-style: preserve-3d; }
.float-product-card { width: min(100%, var(--float-card-w)); min-height: 0; overflow: visible; display: grid; grid-template-rows: auto auto; justify-items: center; color: var(--ink); border: 0; border-radius: 0; background: transparent; box-shadow: none; backdrop-filter: none; transform: translateZ(var(--z, 20px)) rotateX(var(--rx, 3deg)) rotateY(var(--ry, 0deg)); animation: productFloat 7.2s ease-in-out infinite; animation-delay: var(--delay, 0s); transition: transform .35s ease, filter .35s ease; }
.float-product-card:hover { transform: translateZ(72px) translateY(-12px) scale(1.035) rotateX(0deg) rotateY(0deg); filter: brightness(1.035); }
.float-product-card[data-zone="panel"] { grid-area: panel; --z: 42px; --rx: 4deg; }
.float-product-card[data-zone="floor"] { grid-area: floor; --z: 12px; --ry: -7deg; }
.float-product-card[data-zone="film"] { grid-area: film; --z: 68px; --rx: 2deg; }
.float-product-card[data-zone="pad"] { grid-area: pad; --z: 12px; --ry: 7deg; }
.float-product-card[data-zone="wall"] { grid-area: wall; --z: 34px; --rx: 3deg; }
.float-product-card[data-zone="sauna"] { grid-area: sauna; --z: 26px; --rx: 4deg; }
.float-product-card.is-primary { width: min(500px, calc(100vw - 64px)); min-height: 0; grid-template-rows: auto auto; }
.product-stage { position: relative; width: 100%; min-width: 0; max-width: 100%; aspect-ratio: 1.32; margin: 0; display: grid; place-items: center; overflow: visible; border: 0; background: transparent; }
.product-stage::before { content: ""; position: absolute; z-index: 0; left: 50%; bottom: 6%; width: 76%; height: 14%; transform: translateX(-50%); border-radius: 50%; background: radial-gradient(ellipse, rgba(74,144,226,.22), rgba(74,144,226,.08) 48%, transparent 72%); filter: blur(6px); }
.product-stage::after { content: ""; position: absolute; z-index: 0; left: 50%; bottom: 9%; width: 66%; height: 16%; transform: translateX(-50%); border: 1px solid rgba(74,144,226,.27); border-radius: 50%; box-shadow: 0 0 28px rgba(74,144,226,.12); pointer-events: none; }
.product-stage img { position: relative; z-index: 1; width: 100%; min-width: 0; max-width: 100%; height: 100%; object-fit: contain; padding: 0; filter: drop-shadow(0 20px 18px rgba(15,35,56,.13)); }
.float-product-card[data-zone="panel"] .product-stage, .float-product-card[data-zone="wall"] .product-stage { width: 76%; }
.float-product-card.is-primary .product-stage { aspect-ratio: 1.14; }
.float-product-card.is-primary .product-stage img { filter: drop-shadow(0 28px 24px rgba(15,35,56,.18)); }
.float-product-copy { display: grid; justify-items: center; align-content: start; padding: 12px 8px 0; text-align: center; }
.float-product-copy span { color: #4a90e2; font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .07em; }
.float-product-copy strong { margin-top: 6px; font-size: 18px; line-height: 1.12; }
.float-product-card.is-primary .float-product-copy strong { font-size: 24px; }
.float-product-copy small { display: none; }
.float-product-copy b { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; margin-top: 11px; color: #fff; font-size: 0; border-radius: 50%; background: #ff7a00; box-shadow: 0 8px 18px rgba(255,122,0,.24); }
.float-product-copy b::after { content: "→"; font-size: 15px; }
.center-link { justify-content: center; margin-top: 4px; }
@keyframes productFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.product-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 10px 30px rgba(11,18,32,.08); }
.product-card img { width: 100%; aspect-ratio: 1.25; object-fit: cover; }
.product-card div { padding: 20px; }
.product-card span { color: var(--blue); font-size: 12px; font-weight: 900; text-transform: uppercase; }
.product-card h3 { margin: 8px 0 8px; font-size: 20px; line-height: 1.18; }
.product-card p { margin: 0 0 16px; color: var(--muted); font-size: 14px; }
.product-card a, .solution-row a, .feature-grid a, .article-card a { color: var(--orange); font-weight: 900; }
.all-products-section { background: #f5f7fa; }
.all-products-section .section-heading p { max-width: 720px; margin-right: auto; margin-left: auto; color: var(--muted); }
.all-products-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; max-width: var(--max); margin: 36px auto 0; }
.all-product-card { min-width: 0; overflow: hidden; color: var(--ink); text-decoration: none; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 24px rgba(11,18,32,.07); transition: transform .25s ease, box-shadow .25s ease; }
.all-product-card:hover { transform: translateY(-4px); box-shadow: 0 16px 34px rgba(11,18,32,.11); }
.all-product-card img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; }
.all-product-card div { padding: 18px; }
.all-product-card span { display: block; color: var(--blue); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.all-product-card h3 { min-height: 2.5em; margin: 8px 0 14px; font-size: 18px; line-height: 1.25; }
.all-product-card b { color: var(--orange); font-size: 14px; }
.feature-grid { display: grid; gap: 18px; }
.feature-grid.two { grid-template-columns: repeat(2, 1fr); }
.feature-grid.three { grid-template-columns: repeat(3, 1fr); }
.feature-grid.four { grid-template-columns: repeat(4, 1fr); }
.feature-grid article, .taxonomy-grid article, .info-card { padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 10px 28px rgba(11,18,32,.06); }
.feature-grid b { display: block; margin-bottom: 10px; font-size: 19px; line-height: 1.2; }
.feature-grid p { margin: 0; color: var(--muted); }
.why-choose-section { --why-bg: #f3f6f9; --why-ink: #102030; --why-muted: #5d7185; --why-blue: #1189a7; --why-orange: #f0642b; width: 100%; padding: 92px clamp(20px, 5vw, 70px); color: var(--why-ink); border-top: 1px solid #e1e9ef; border-bottom: 1px solid #dce6ed; background: var(--why-bg); }
.why-choose-inner { width: 100%; max-width: var(--max); margin: 0 auto; }
.why-choose-heading { max-width: 720px; margin: 0 0 18px; }
.why-choose-heading .section-kicker { color: var(--why-blue); }
.why-choose-heading h2 { margin: 0; color: var(--why-ink); font-size: clamp(32px, 3.4vw, 46px); line-height: 1.08; }
.why-choose-heading p { max-width: 760px; margin: 10px 0 0; color: var(--why-muted); font-size: 16px; line-height: 1.5; }
.why-choose-layout { display: grid; grid-template-columns: minmax(0, .94fr) minmax(520px, 1.06fr); gap: clamp(34px, 4vw, 60px); align-items: center; }
.why-choose-media { position: relative; width: 100%; min-height: 0; aspect-ratio: 16 / 9; margin: 0; overflow: hidden; border: 1px solid #cedbe4; border-radius: 8px; background: #dfe7ed; box-shadow: 0 24px 58px rgba(31, 60, 82, .16); }
.why-choose-media img { display: block; width: 100%; height: 100%; min-height: 0; object-fit: cover; object-position: center; background: #dfe7ed; }
.why-choose-content { min-width: 0; }
.why-choose-timeline { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.why-choose-item { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 12px; min-height: 160px; padding: 16px; border-radius: 8px; background: #eaf1f8; }
.why-choose-number { position: relative; z-index: 1; display: grid; width: 38px; height: 38px; place-items: center; color: var(--why-blue); font-size: 14px; font-weight: 900; border: 1px solid #83c4d4; border-radius: 8px; background: #fff; }
.why-choose-copy { min-width: 0; }
.why-choose-tag { display: inline-block; max-width: 100%; margin: 0 0 5px; padding: 4px 9px; color: var(--why-orange); font-size: 11px; font-weight: 900; line-height: 1.15; letter-spacing: .06em; border: 1px solid #f3b69e; border-radius: 6px; background: #fff3ed; }
.why-choose-copy h3 { margin: 0 0 4px; color: var(--why-ink); font-size: 17px; line-height: 1.2; }
.why-choose-copy p { margin: 0; color: var(--why-muted); font-size: 14px; line-height: 1.45; }
.why-choose-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 16px; padding-left: 0; }
.why-choose-secondary { color: #214b68; border: 1px solid #8da9bc; background: rgba(255,255,255,.58); }
.why-choose-secondary:hover { color: #0c718a; border-color: var(--why-blue); background: #fff; }
.solution-band { padding: 82px clamp(20px, 5vw, 70px); color: #102030; background: radial-gradient(circle at 88% 16%, rgba(255,122,0,.1), transparent 30%), radial-gradient(circle at 10% 86%, rgba(0,102,255,.08), transparent 32%), #f4f6f8; }
.solution-band .section-kicker { color: #ff7a00; }
.solution-band .section-heading p { color: rgba(16,32,48,.66); }
.solution-grid { max-width: var(--max); margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.solution-card { position: relative; overflow: hidden; min-height: 245px; display: flex; flex-direction: column; justify-content: end; padding: 22px; border-radius: var(--radius); border: 1px solid rgba(16,32,48,.1); background: linear-gradient(180deg, rgba(16,32,48,.04), rgba(16,32,48,.82)), var(--bg) center / cover; box-shadow: 0 16px 44px rgba(16,32,48,.11); }
.solution-card::after { content: ""; position: absolute; inset: auto 0 0; height: 54%; background: linear-gradient(180deg, transparent, rgba(255,122,0,.12)); pointer-events: none; }
.solution-card strong, .solution-card span { position: relative; z-index: 1; }
.solution-card strong { color: #fff; font-size: 22px; line-height: 1.16; }
.solution-card span { margin-top: 8px; color: rgba(255,255,255,.78); }

/* Solution slant wall */
.solution-slant-wall { display: flex; width: 100%; max-width: var(--max); margin: 0 auto; height: 420px; overflow: hidden; }
.slant-item { flex: 1; position: relative; transform: skewX(-14deg); overflow: hidden; margin: 0 -1px; transition: flex 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94); cursor: pointer; text-decoration: none; border-right: 3px solid #fff; }
.slant-item:last-child { border-right: none; }
.slant-item:first-child { margin-left: -70px; padding-left: 70px; }
.slant-item:last-child { margin-right: -70px; padding-right: 70px; }
.slant-item:hover { flex: 1.7; }
.slant-img-wrap { position: absolute; inset: 0; transform: skewX(14deg) scale(1.3); }
.slant-img-wrap img { width: 100%; height: 100%; object-fit: cover; display: block; }
.slant-item::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(16,32,48,.12) 0%, rgba(16,32,48,.58) 100%); pointer-events: none; z-index: 1; transition: background 0.3s ease; }
.slant-item:hover::after { background: linear-gradient(180deg, rgba(16,32,48,.05) 0%, rgba(16,32,48,.4) 100%); }
.slant-label { position: absolute; bottom: 32px; left: 50%; width: min(90%, 230px); transform: translateX(-50%) skewX(14deg); color: #fff; font-size: 16px; font-weight: 800; line-height: 1.2; letter-spacing: 0; text-align: center; text-shadow: 0 2px 12px rgba(0,0,0,.7); z-index: 2; white-space: normal; transition: transform 0.3s ease, bottom 0.3s ease; }
.slant-item:first-child .slant-label { left: calc(50% + 35px); }
.slant-item:hover .slant-label { bottom: 38px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.media-panel img { width: 100%; aspect-ratio: 1.22; object-fit: cover; border-radius: var(--radius); box-shadow: var(--shadow); }
.tech-preview { --tech-bg: #F8FAFC; --tech-soft: #EAF1F8; --tech-blue: #4A90E2; position: relative; width: 100%; overflow: hidden; color: #1E293B; background: radial-gradient(circle at 82% 30%, rgba(74,144,226,.2), transparent 32%), linear-gradient(90deg, var(--tech-soft), var(--tech-bg) 40%, var(--tech-bg) 64%, var(--tech-soft)); }
.tech-preview-inner { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; padding: 76px clamp(20px, 4vw, 34px); }
.tech-preview::before { content: ""; position: absolute; inset: 0 54% 0 0; background-image: radial-gradient(circle, rgba(74,144,226,.34) 1.5px, transparent 2px), linear-gradient(60deg, rgba(74,144,226,.16) 1px, transparent 1px), linear-gradient(120deg, rgba(74,144,226,.12) 1px, transparent 1px); background-size: 34px 34px, 78px 135px, 78px 135px; opacity: .72; mask-image: linear-gradient(90deg, #000, transparent 94%); pointer-events: none; }
.tech-preview::after { content: ""; position: absolute; inset: 0 0 0 auto; width: 42%; background: radial-gradient(circle at 58% 30%, rgba(74,144,226,.28), transparent 36%), linear-gradient(120deg, transparent 24%, rgba(74,144,226,.3) 25%, transparent 27%, transparent 58%, rgba(74,144,226,.22) 59%, transparent 61%); filter: blur(.2px); opacity: .8; pointer-events: none; }
.tech-preview > * { position: relative; z-index: 1; }
.tech-preview .copy-block p, .tech-preview .copy-block li { color: rgba(30,41,59,.76); }
.tech-media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.tech-media-grid img { width: 100%; aspect-ratio: .92; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); background: #fff; }
.factory-gallery { display: grid; grid-template-columns: 1.15fr .9fr .9fr; gap: 16px; margin-bottom: 28px; }
.factory-gallery img { width: 100%; aspect-ratio: 1.35; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.factory-gallery img:first-child { aspect-ratio: 1.5; }
.factory-showcase-media {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow);
}
.factory-showcase-media img {
  display: block;
  width: 100%;
  height: auto;
}
.lead-gallery { margin-bottom: 34px; }
.contact-factory-photo { margin-top: 22px; }
.contact-factory-photo img { width: 100%; aspect-ratio: 1.28; object-fit: cover; border-radius: var(--radius); border: 1px solid rgba(255,255,255,.12); box-shadow: var(--shadow); }
.check-list { padding-left: 0; list-style: none; }
.check-list li { position: relative; padding-left: 26px; margin: 9px 0; }
.check-list li::before { content: ""; position: absolute; left: 0; top: .55em; width: 12px; height: 12px; background: linear-gradient(135deg, var(--orange), var(--red)); border-radius: 50%; }
.factory-strip, .cta-band { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; align-items: center; padding: 70px max(20px, calc((100vw - var(--max)) / 2 + 34px)); color: #fff; background: radial-gradient(circle at 78% 22%, rgba(255,106,0,.22), transparent 28%), linear-gradient(120deg, #05070d, #111827); }
.process { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; list-style: none; padding: 0; margin: 0; counter-reset: process; }
.process li { counter-increment: process; min-height: 88px; padding: 14px; border: 1px solid rgba(255,255,255,.2); border-radius: var(--radius); font-weight: 900; }
.process li::before { content: "0" counter(process); display: block; margin-bottom: 10px; color: var(--cyan); }
.page-hero { position: relative; overflow: hidden; padding: 104px clamp(20px, 5vw, 70px); color: #fff; background: radial-gradient(circle at 76% 18%, rgba(0,102,255,.28), transparent 30%), radial-gradient(circle at 12% 70%, rgba(255,106,0,.18), transparent 30%), linear-gradient(120deg, #05070d, #071b36); }
.products .page-hero, .resources .page-hero, .blog .page-hero, .about-hero { color: var(--ink); background: linear-gradient(135deg, #ffffff, #f5f7fa); border-bottom: 1px solid var(--line); }
.products .page-hero::after, .resources .page-hero::after, .blog .page-hero::after, .about-hero::after { opacity: .12; }
.products .page-hero p, .resources .page-hero p, .blog .page-hero p, .about-hero p { color: var(--muted); }
.products .product-detail-title-only { padding: 140px clamp(20px, 5vw, 70px) 54px; color: var(--ink); background: #fff; border-bottom: 0; }
.products .product-detail-title-only::after,
.product-detail-title-only .section-kicker,
.product-detail-title-only p { display: none; }
.product-detail-title-only h1 { max-width: 1100px; }
.product-back-link { display: inline-flex; align-items: center; gap: 8px; min-height: 42px; margin: 0 0 24px; padding: 9px 14px; color: #153e5f; font-size: 15px; font-weight: 900; line-height: 1; border: 1px solid #9db5c7; border-radius: 5px; background: #fff; box-shadow: 0 8px 20px rgba(20,54,80,.08); }
.product-back-link:hover { color: #fff; border-color: #153e5f; background: #153e5f; }
.technology-hero { background: radial-gradient(circle at 78% 20%, rgba(0,102,255,.34), transparent 30%), radial-gradient(circle at 18% 72%, rgba(255,106,0,.14), transparent 28%), linear-gradient(120deg, #071b36, #05070d); }
.factory-hero { background: linear-gradient(90deg, rgba(5,7,13,.9), rgba(5,7,13,.52)), url("../images/factory-main-building.webp") center / cover no-repeat; }
.contact-hero { background: linear-gradient(90deg, rgba(17,24,39,.94), rgba(17,24,39,.72)), url("../images/factory-main-building.webp") center / cover no-repeat; }
.projects-hero { background: radial-gradient(circle at 75% 16%, rgba(255,106,0,.26), transparent 28%), linear-gradient(120deg, #111827, #2a2f38); }
.solutions-hero { background: linear-gradient(90deg, rgba(17,24,39,.88), rgba(17,24,39,.58)), url("../images/graphene-floor-heating.webp") center / cover no-repeat; }
.products .floor-detail-hero { color: #14283c; background: radial-gradient(circle at 78% 18%, rgba(255,122,0,.24), transparent 26%), radial-gradient(circle at 18% 76%, rgba(74,144,226,.17), transparent 34%), linear-gradient(120deg, #fffdf9, #edf4f9); }
.products .floor-detail-hero p { color: #496078; }
.floor-detail-intro { padding-top: 82px; padding-bottom: 62px; background: linear-gradient(180deg, #fffdf9, #fff); }
.floor-detail-lead { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); gap: clamp(34px, 6vw, 86px); align-items: center; max-width: var(--max); margin: 0 auto; }
.floor-detail-lead h2 { max-width: 680px; margin: 0 0 18px; font-size: clamp(34px, 4vw, 54px); line-height: 1.06; }
.floor-detail-product { min-height: 420px; display: grid; place-items: center; padding: 28px; border: 1px solid rgba(184,132,50,.2); border-radius: 8px; background: radial-gradient(circle at 50% 72%, rgba(255,122,0,.16), transparent 30%), linear-gradient(145deg, #f3f8fc, #fff); box-shadow: 0 22px 54px rgba(29,55,78,.12); }
.floor-detail-product img { width: min(100%, 500px); max-height: 420px; object-fit: contain; filter: drop-shadow(0 24px 22px rgba(72,42,16,.2)); }
.floor-benefit-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 28px 0; }
.floor-benefit-grid article { padding: 16px; border: 1px solid rgba(184,132,50,.26); border-radius: 6px; background: rgba(255,255,255,.78); }
.floor-benefit-grid b, .floor-benefit-grid span { display: block; }
.floor-benefit-grid b { color: #9a641d; font-size: 15px; }
.floor-benefit-grid span { margin-top: 5px; color: var(--muted); font-size: 13px; line-height: 1.4; }
.floor-assurance-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; padding: 0 max(20px, calc((100vw - var(--max)) / 2)); color: #fff; background: linear-gradient(90deg, #895719, #d59a39, #895719); }
.floor-assurance-strip div { padding: 22px 26px; border-left: 1px solid rgba(255,255,255,.24); }
.floor-assurance-strip b, .floor-assurance-strip span { display: block; }
.floor-assurance-strip b { font-size: 16px; }
.floor-assurance-strip span { margin-top: 5px; color: rgba(255,255,255,.82); font-size: 13px; }
.floor-detail-overview { align-items: start; }
.chip-highlight-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin: 18px 0 0; padding: 0; list-style: none; }
.chip-highlight-list li { position: relative; min-width: 0; padding-left: 20px; color: #26384b; font-size: 17px; line-height: 1.4; }
.chip-highlight-list li::before { content: ""; position: absolute; top: .48em; left: 0; width: 8px; height: 8px; background: var(--cyan); }

/* Floor heating page — Far Infrared + Tech Params side-by-side, Waterproof Insulation below */
.far-ir-with-params { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: start; max-width: var(--max); margin: 0 auto; }
.far-ir-with-params > * { min-width: 0; }
.tech-params-wrapper { width: 100%; min-width: 0; }
.tech-params-table { width: 100%; table-layout: fixed; border-collapse: collapse; background: #fff; border: 1px solid #b8c8d8; border-radius: 8px; overflow: hidden; font-size: 14px; }
.tech-params-table th, .tech-params-table td { overflow-wrap: anywhere; }
.tech-params-table thead th { padding: 14px; background: #d4e2ec; color: #102030; font-size: 16px; font-weight: 800; text-align: center; border-bottom: 2px solid #b8c8d8; }
.tech-params-table tbody tr { border-bottom: 1px solid #d4e2ec; }
.tech-params-table tbody tr:last-child { border-bottom: none; }
.tech-params-table th { width: 22%; padding: 12px 14px; background: #eaf1f8; color: #102030; font-size: 14px; font-weight: 700; text-align: left; border-right: 1px solid #d4e2ec; }
.tech-params-table td { width: 28%; padding: 12px 14px; color: #334155; font-size: 14px; line-height: 1.45; }
.tech-params-table .empty-cell { background: #f4f7fa; }
/* ===== 专业定制科技感按钮 ===== */
.custom-cta-wrap { margin-top: 24px; text-align: center; }
.btn-custom-tech {
  display: inline-flex; align-items: center; gap: 12px;
  padding: 14px 32px;
  border: none; border-radius: 50px;
  background: linear-gradient(135deg, #0a2540 0%, #1a4a7a 40%, #0d3b6e 70%, #061830 100%);
  box-shadow: 0 0 18px rgba(10,100,220,.35), 0 4px 20px rgba(10,37,64,.5), inset 0 1px 0 rgba(255,255,255,.12);
  color: #fff; text-decoration: none;
  transition: all .35s cubic-bezier(.4,0,.2,1);
  position: relative; overflow: hidden;
}
.btn-custom-tech::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, transparent 30%, rgba(80,180,255,.18) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform .55s cubic-bezier(.4,0,.2,1);
}
.btn-custom-tech::after {
  content: ''; position: absolute; inset: 2px; border-radius: 48px;
  background: linear-gradient(135deg, rgba(255,255,255,.06), transparent 60%);
  pointer-events: none;
}
.btn-custom-tech:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 32px rgba(20,140,255,.55), 0 8px 30px rgba(10,37,64,.6), inset 0 1px 0 rgba(255,255,255,.18);
  background: linear-gradient(135deg, #0d3b6e 0%, #1e5a9a 40%, #124a80 70%, #0a2540 100%);
}
.btn-custom-tech:hover::before { transform: translateX(100%); }
.btn-custom-tech .btn-tech-icon {
  font-size: 22px; filter: drop-shadow(0 0 6px rgba(100,200,255,.6));
  animation: icon-pulse 2.2s ease-in-out infinite;
}
.btn-custom-tech .btn-tech-text {
  font-size: 20px; font-weight: 800; letter-spacing: .08em;
  text-shadow: 0 0 12px rgba(80,180,255,.5);
}
.btn-custom-tech .btn-tech-sub {
  font-size: 11px; font-weight: 400; opacity: .65; letter-spacing: .04em;
}
.btn-custom-tech .btn-tech-arrow {
  font-size: 20px; font-weight: 700;
  transition: transform .3s ease;
}
.btn-custom-tech:hover .btn-tech-arrow { transform: translateX(4px); }
@keyframes icon-pulse {
  0%,100% { opacity: .8; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}
.waterproof-inside { margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.waterproof-inside .section-kicker { color: var(--blue); }

@media (max-width: 1040px) {
  .why-choose-layout { grid-template-columns: 1fr; gap: 42px; }
  .why-choose-media { aspect-ratio: 16 / 9; }
  .why-choose-media img { min-height: 0; height: 100%; }
  .far-ir-with-params { grid-template-columns: 1fr; gap: 28px; }
}
.floor-installation { background: #f3f7fa; }
.floor-installation-grid { display: grid; grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); gap: 34px; align-items: center; max-width: var(--max); margin: 34px auto 0; padding: 32px; border: 1px solid #d8e4ee; border-radius: 8px; background: #fff; }
.installation-flow { display: grid; grid-template-columns: 1fr 20px 1fr 20px 1fr 20px 1fr; align-items: center; gap: 8px; }
.installation-flow span { display: grid; min-height: 78px; place-items: center; padding: 12px; color: #163d61; font-size: 13px; font-weight: 900; text-align: center; border: 1px solid #b9d0e3; border-radius: 5px; background: #edf6fc; }
.installation-flow i { display: block; height: 2px; background: linear-gradient(90deg, #4a90e2, #ff7a00); }
.app-grid { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 16px; max-width: var(--max); margin: 36px auto 0; }
.app-card { overflow: hidden; border: 1px solid var(--line); border-radius: 7px; background: #fff; box-shadow: 0 10px 26px rgba(19,47,73,.08); }
.app-card img { width: 100%; aspect-ratio: 1; object-fit: cover; }
.app-body { padding: 15px; }
.app-body h4 { margin: 0 0 8px; color: #173b5d; font-size: 16px; }
.app-body p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.45; }
.floor-detail-structure { align-items: center; background: linear-gradient(90deg, #fff, #f7fbfe); }
.floor-layer-stack { display: grid; gap: 8px; margin-top: 22px; }
.floor-layer-stack span { display: block; padding: 15px 18px; color: #fff; font-size: 14px; font-weight: 900; text-align: center; border-radius: 4px; background: linear-gradient(105deg, #2c3e50, #4a90e2); box-shadow: 0 8px 18px rgba(47,96,142,.14); }
.floor-layer-stack span:nth-child(2) { margin-left: 5%; margin-right: 5%; background: linear-gradient(105deg, #55748e, #89a8bf); }
.floor-layer-stack span:nth-child(3) { margin-left: 10%; margin-right: 10%; background: linear-gradient(105deg, #7d521c, #e3a13a); }
.floor-layer-stack span:nth-child(4) { margin-left: 5%; margin-right: 5%; background: linear-gradient(105deg, #55748e, #89a8bf); }
.floor-assurance-list { display: grid; gap: 14px; align-content: start; }
.floor-assurance-list article { padding: 22px; border-left: 3px solid #d59a39; background: #fafcff; box-shadow: 0 8px 20px rgba(25,59,90,.06); }
.floor-assurance-list b { color: #173b5d; font-size: 17px; }
.floor-assurance-list p { margin: 7px 0 0; color: var(--muted); }
.page-hero .wrap { position: relative; z-index: 1; max-width: var(--max); margin: 0 auto; }
.page-hero h1 { max-width: 850px; font-size: clamp(38px, 5vw, 64px); }
.page-hero p { max-width: 760px; color: rgba(255,255,255,.78); font-size: 18px; }
.about-hero p { color: var(--muted); }
.taxonomy-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.taxonomy-grid h3 { margin-top: 0; font-size: 18px; }
.taxonomy-grid ul { margin: 0; padding-left: 18px; color: var(--muted); }
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #b8c8d8; border-radius: 8px; overflow: hidden; }
.spec-table th, .spec-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #d4e2ec; }
.spec-table tr:last-child th, .spec-table tr:last-child td { border-bottom: none; }
.spec-table th { width: 34%; background: #eaf1f8; color: #102030; font-weight: 700; }
.spec-table td { color: #334155; }
.faq-list details { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 12px 0; background: #fff; }
.faq-list summary { cursor: pointer; font-weight: 900; }
.solution-list { display: grid; gap: 20px; }
.solution-row { display: grid; grid-template-columns: 320px 1fr; gap: 24px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.solution-row img { width: 100%; aspect-ratio: 1.45; object-fit: cover; border-radius: 6px; }
.layer-stack { display: grid; gap: 12px; }
.layer-stack span { display: block; padding: 20px; color: #fff; font-weight: 900; text-align: center; border-radius: var(--radius); background: linear-gradient(135deg, #173b43, #20b8c7); box-shadow: var(--shadow); }
.contact-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 34px; }
.contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.contact-form label { display: grid; gap: 6px; color: var(--muted); font-weight: 800; font-size: 13px; }
.contact-form input, .contact-form textarea, .contact-form select { width: 100%; min-height: 48px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 6px; font: inherit; color: var(--ink); background: #fff; }
.contact-form textarea { min-height: 138px; resize: vertical; }
.contact-form .wide, .contact-form button { grid-column: 1 / -1; }
.contact-form .form-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-form .form-status { grid-column: 1 / -1; min-height: 24px; margin: 0; font-weight: 800; }
.contact-form .form-status.is-success { color: #087f5b; }
.contact-form .form-status.is-error { color: #b42318; }
.contact-form button:disabled { cursor: wait; opacity: .68; }
.cta-band { grid-template-columns: 1fr auto; }
.cta-band p { margin: 12px 0 0; color: rgba(255,255,255,.76); max-width: 720px; }
.contact-banner { position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(380px, .92fr) minmax(420px, 1.08fr); min-height: 350px; color: #fff; background: #111c25; }
.contact-banner-details { position: relative; z-index: 1; display: grid; align-content: center; gap: 12px; padding: 58px clamp(30px, 5vw, 90px); background: linear-gradient(128deg, #111820 0%, #1a2a35 74%, rgba(26,42,53,.92) 100%); }
.contact-banner-details::after { content: ""; position: absolute; z-index: -1; top: 0; right: -70px; width: 145px; height: 100%; transform: skewX(-18deg); background: #1a2a35; }
.contact-banner .section-kicker { margin: 0; color: #ff7a00; }
.contact-banner h2 { max-width: 620px; margin: 0 0 6px; font-size: clamp(30px, 3.4vw, 46px); line-height: 1.08; }
.contact-banner-details > a:not(.btn), .contact-banner-details > p { display: flex; gap: 14px; align-items: baseline; width: max-content; max-width: 100%; margin: 0; color: rgba(255,255,255,.8); font-size: 15px; }
.contact-banner-details > a:not(.btn):hover { color: #fff; }
.contact-banner-details b { min-width: 84px; color: #fff; font-size: 13px; text-transform: uppercase; letter-spacing: .04em; }
.contact-banner-details .btn { width: max-content; margin-top: 10px; }
.contact-banner-image { min-height: 350px; background: #d7e2eb; }
.contact-banner-image img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.contact-details-panel { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #f7fafc; }
.contact-details-panel p { margin: 12px 0; }
.outdoor-sauna-intro { display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(420px, .92fr); gap: clamp(36px, 5vw, 78px); align-items: center; }
.outdoor-sauna-media { margin: 0; overflow: hidden; aspect-ratio: 1.15; border: 1px solid var(--line); border-radius: 8px; background: #eef3f6; box-shadow: 0 22px 54px rgba(23,54,81,.14); }
.outdoor-sauna-media img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.outdoor-sauna-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 26px 0; }
.outdoor-sauna-facts article { min-height: 92px; padding: 16px; border-left: 3px solid var(--orange); background: #f4f7f9; }
.outdoor-sauna-facts span, .outdoor-sauna-facts strong { display: block; }
.outdoor-sauna-facts span { color: var(--muted); font-size: 12px; font-weight: 800; text-transform: uppercase; }
.outdoor-sauna-facts strong { margin-top: 7px; color: #153e5f; font-size: 16px; line-height: 1.3; }
.outdoor-sauna-specs { background: #f3f6f9; }
.outdoor-sauna-specs .spec-table { max-width: 1000px; margin: 34px auto 0; }
.outdoor-sauna-oem { background: #fff; }
.site-footer { display: grid; grid-template-columns: 1.3fr .8fr .8fr; gap: 24px; padding: 46px clamp(20px, 5vw, 70px); color: #fff; background: radial-gradient(circle at 86% 16%, rgba(255,106,0,.16), transparent 28%), #05070d; }
.site-footer p { margin: 8px 0 0; color: rgba(255,255,255,.62); }
.footer-col { display: grid; gap: 8px; align-content: start; }
.footer-col b { color: var(--orange); margin-bottom: 4px; }
.footer-col a { color: rgba(255,255,255,.76); }
@media (max-width: 1040px) {
  .site-header { grid-template-columns: auto auto; justify-content: space-between; }
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 76px 0 auto 0; display: none; flex-direction: column; align-items: stretch; padding: 16px 20px 24px; background: rgba(255,255,255,.97); border-top: 1px solid rgba(20,31,42,.12); }
  .main-nav.is-open { display: flex; }
  .home .site-header:not(.is-scrolled) .main-nav.is-open a { color: #39424d; }
  .home .site-header:not(.is-scrolled) .main-nav.is-open a:hover, .home .site-header:not(.is-scrolled) .main-nav.is-open a.active { color: var(--deep); background: #eef4f5; }
  .quote-btn { display: none; }
  .hero-inner, .two-col, .factory-strip, .cta-band, .contact-grid, .outdoor-sauna-intro { grid-template-columns: 1fr; }
  .product-center { --float-card-w: 260px; --float-card-h: 278px; }
  .product-float-matrix { max-width: calc(100vw - 32px); grid-template-columns: repeat(3, minmax(160px, 1fr)); grid-template-areas: ". sauna ." "pad film panel" ". floor ." ". wall ."; gap: 26px 18px; }
  .float-product-card { grid-template-rows: auto auto; }
  .float-product-card.is-primary { width: min(390px, calc(100vw - 48px)); min-height: 0; grid-template-rows: auto auto; }
  .product-grid, .all-products-grid, .solution-grid, .feature-grid.four, .taxonomy-grid, .factory-gallery { grid-template-columns: repeat(2, 1fr); }
  .solution-slant-wall { height: 300px; }
  .slant-label { font-size: 15px; bottom: 22px; }
  .slant-item:first-child { margin-left: -50px; padding-left: 50px; }
  .slant-item:last-child { margin-right: -50px; padding-right: 50px; }
  .process { grid-template-columns: repeat(3, 1fr); }
  .contact-banner { grid-template-columns: 1fr 1fr; }
  .app-grid { grid-template-columns: repeat(3, 1fr); }
  .floor-installation-grid, .floor-detail-lead { grid-template-columns: 1fr; }
}
@media (max-width: 680px) {
  .brand { min-width: auto; }
  .brand span { display: none; }
  .hero { min-height: auto; padding-top: 54px; }
  .hero h1 { font-size: 38px; }
  .products .product-detail-title-only { padding: 96px 20px 36px; }
  .product-detail-title-only h1 { font-size: 38px; }
  .product-center { --float-card-w: 100%; --float-card-h: auto; padding: 70px 0; }
  .product-float-matrix { max-width: calc(100vw - 20px); grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-areas: "sauna sauna" "film film" "pad panel" "floor wall"; gap: 16px; perspective: none; }
  .float-product-card, .float-product-card.is-primary { width: 100%; min-height: auto; grid-template-rows: auto auto; transform: none; }
  .float-product-copy { padding: 16px; }
  .float-product-copy strong { font-size: 18px; }
  .stats-panel, .product-grid, .all-products-grid, .solution-grid, .feature-grid.two, .feature-grid.three, .feature-grid.four, .taxonomy-grid, .site-footer, .solution-row, .contact-form, .factory-gallery, .tech-media-grid { grid-template-columns: 1fr; }
  .chip-highlight-list { grid-template-columns: 1fr; }
  .btn-custom-tech { width: 100%; max-width: 100%; gap: 8px; justify-content: center; padding: 12px 14px; }
  .btn-custom-tech .btn-tech-text { font-size: 15px; letter-spacing: 0; }
  .btn-custom-tech .btn-tech-sub { display: none; }
  .solution-slant-wall { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; height: auto; }
  .slant-item { transform: none; height: 170px; margin: 0; border-radius: var(--radius); }
  .slant-item:first-child, .slant-item:last-child { margin: 0; padding: 0; }
  .slant-img-wrap { transform: none; }
  .slant-label { transform: translateX(-50%); font-size: 14px; bottom: 16px; }
  .slant-item:first-child .slant-label { left: 50%; }
  .slant-item:hover { flex: 1; }
  .section-heading.split { display: block; }
  .section-heading.split .btn { margin-top: 16px; }
  .process { grid-template-columns: 1fr; }
  .contact-banner { grid-template-columns: 1fr; }
  .floor-detail-intro { padding-top: 56px; }
  .floor-detail-product { min-height: 280px; }
  .floor-benefit-grid, .floor-assurance-strip, .floor-installation-grid { grid-template-columns: 1fr; }
  .floor-assurance-strip { padding: 0; }
  .floor-assurance-strip div { border-left: 0; border-bottom: 1px solid rgba(255,255,255,.24); }
  .installation-flow { grid-template-columns: 1fr; gap: 10px; }
  .installation-flow i { width: 2px; height: 18px; margin: -3px auto; background: linear-gradient(#4a90e2, #ff7a00); }
  .app-grid { grid-template-columns: 1fr; }
  .floor-detail-specs { grid-template-columns: 1fr; }
  .contact-banner-details { padding: 48px 24px; }
  .contact-banner-details::after { display: none; }
  .contact-banner-image { min-height: 230px; }
  .contact-banner-details > a:not(.btn), .contact-banner-details > p { align-items: flex-start; flex-direction: column; gap: 3px; }
  .outdoor-sauna-facts { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) {
  .float-product-card { animation: none; transition: none; }
}

/* ===== Tech Preview — Text Top + 3 Videos + Labels ===== */
.tech-text-block { max-width: 900px; margin: 0 auto 48px; text-align: center; }
.tech-text-block h2 { font-size: clamp(26px, 3.2vw, 38px); margin-bottom: 18px; }
.tech-text-block p { font-size: 16px; line-height: 1.7; color: rgba(30,41,59,.8); margin-bottom: 14px; }
.tech-video-layout { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px 20px; max-width: var(--max); margin: 0 auto; }
.tech-video-card { aspect-ratio: 16 / 10; overflow: hidden; border: 1px solid var(--line); border-radius: 14px; background: #eaf1f8; box-shadow: var(--shadow); }
.tech-video-card video { display: block; width: 100%; height: 100%; object-fit: cover; background: #eaf1f8; }
.tech-v1 { grid-column: 1; grid-row: 1; }
.tech-v2 { grid-column: 2; grid-row: 1; }
.tech-v3 { grid-column: 3; grid-row: 1; }
.tech-l1 { grid-column: 1; grid-row: 2; }
.tech-l2 { grid-column: 2 / 4; grid-row: 2; }
.tech-video-label-card { display: grid; place-items: center; min-height: 44px; padding: 8px 16px; border: 1px solid rgba(74,144,226,.24); border-radius: 10px; background: rgba(255,255,255,.82); box-shadow: 0 6px 18px rgba(16,32,48,.06); color: #102030; font-size: 14px; font-weight: 700; line-height: 1.3; text-align: center; overflow-wrap: anywhere; backdrop-filter: blur(8px); }

/* ===== New: Product Matrix Carousel ===== */
.product-center { padding: 80px 0; }
.product-center-header { display: flex; justify-content: space-between; align-items: flex-start; max-width: var(--max); margin: 0 auto 42px; padding: 0 clamp(20px, 4vw, 34px); gap: 40px; flex-wrap: wrap; }
.product-center-title { flex: 1 1 360px; }
.product-center-title h2 { font-size: clamp(26px, 3.2vw, 38px); margin: 10px 0 8px; }
.product-center-title p { color: var(--muted); font-size: 15px; margin: 0; }
.product-center-links { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; min-width: 230px; }
.product-series-link { display: flex; align-items: center; gap: 10px; margin: 0; padding: 4px 0; color: var(--blue); font: inherit; font-size: clamp(17px, 1.25vw, 20px); font-weight: 800; line-height: 1.35; letter-spacing: 0; text-align: left; text-decoration: none; border: 0; background: transparent; cursor: pointer; transition: transform .2s; }
.product-series-link:hover { transform: translateX(3px); }
.product-center-links .link-arrow { display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; width: 24px; height: 24px; border-radius: 50%; border: 1px solid currentColor; font-size: 16px; line-height: 1; transition: color .2s, background .2s, border-color .2s; }

.product-carousel-wrap { position: relative; max-width: var(--max); margin: 0 auto; padding: 0 clamp(20px, 4vw, 34px); }
.product-carousel-viewport { overflow: hidden; }
.product-carousel { display: flex; gap: 20px; transition: transform .5s ease; overflow: visible; }
.carousel-card { flex: 0 0 calc(25% - 15px); background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 6px 18px rgba(11,18,32,.06); transition: transform .3s ease, box-shadow .3s ease; text-decoration: none; color: inherit; }
.carousel-card:hover { transform: translateY(-4px); box-shadow: 0 14px 32px rgba(11,18,32,.1); }
.carousel-stage { margin: 0; padding: 0; overflow: hidden; background: #e8eef3; }
.carousel-stage img { display: block; width: 100%; aspect-ratio: 1; object-fit: cover; object-position: center; transition: transform .35s ease; }
.carousel-card:hover .carousel-stage img { transform: scale(1.025); }
.carousel-copy { padding: 14px 18px 18px; border-top: 1px solid var(--line); }
.carousel-copy strong { display: block; font-size: 15px; margin-bottom: 10px; color: var(--text); }
.carousel-more { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--blue); font-weight: 600; }
.carousel-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 56px; height: 56px; border-radius: 50%; border: 2px solid rgba(16,32,48,.18); background: #fff; color: var(--text); font-size: 34px; font-weight: 900; line-height: 1; cursor: pointer; display: flex; align-items: center; justify-content: center; box-shadow: 0 8px 22px rgba(16,32,48,.16); z-index: 10; transition: all .2s; }
.carousel-arrow:hover { background: var(--blue); color: #fff; border-color: var(--blue); }
.carousel-prev { left: -10px; }
.carousel-next { right: -10px; }
.carousel-dots { display: flex; justify-content: center; gap: 10px; margin-top: 28px; }
.carousel-dot { width: 10px; height: 10px; border-radius: 50%; border: none; background: rgba(74,144,226,.3); cursor: pointer; transition: background .2s; padding: 0; }
.carousel-dot.active { background: var(--blue); }
@media (max-width: 1040px) {
  .carousel-card { flex: 0 0 calc(33.333% - 14px); }
  .tech-video-layout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tech-v3 { grid-column: 1 / 3; grid-row: 2; }
  .tech-l1 { grid-column: 1; grid-row: 3; }
  .tech-l2 { grid-column: 2; grid-row: 3; }
}
@media (max-width: 768px) {
  .carousel-card { flex: 0 0 calc(50% - 10px); }
  .product-center-header { flex-direction: column; gap: 24px; }
  .carousel-arrow { width: 48px; height: 48px; font-size: 30px; }
  .carousel-prev { left: 4px; }
  .carousel-next { right: 4px; }
}
@media (max-width: 640px) {
  .why-choose-section { padding: 66px 20px; }
  .why-choose-heading { margin-bottom: 30px; }
  .why-choose-heading h2 { font-size: 34px; }
  .why-choose-heading p { font-size: 15px; }
  .why-choose-layout { gap: 34px; }
  .why-choose-media { aspect-ratio: 16 / 9; }
  .why-choose-timeline { grid-template-columns: 1fr; }
  .why-choose-item { grid-template-columns: 44px minmax(0, 1fr); gap: 12px; min-height: 0; padding: 16px; }
  .why-choose-number { width: 42px; height: 42px; }
  .why-choose-tag { letter-spacing: .05em; }
  .why-choose-actions { display: grid; grid-template-columns: 1fr; padding-left: 0; }
  .why-choose-actions .btn { width: 100%; text-align: center; }
}
@media (max-width: 520px) {
  .carousel-card { flex: 0 0 calc(100% - 0px); }
  .tech-video-layout { grid-template-columns: 1fr; }
  .tech-v1, .tech-v2, .tech-v3, .tech-l1, .tech-l2 { grid-column: 1; }
  .tech-v1 { grid-row: 1; }
  .tech-l1 { grid-row: 2; }
  .tech-v2 { grid-row: 3; }
  .tech-v3 { grid-row: 4; }
  .tech-l2 { grid-row: 5; }
}

/* ===== Technology Detail Page ===== */
.technology-detail-hero { position: relative; min-height: 540px; display: grid; align-items: center; overflow: hidden; padding: 92px clamp(20px, 5vw, 70px); color: #fff; background: linear-gradient(90deg, rgba(5,13,20,.94) 0%, rgba(5,13,20,.78) 42%, rgba(5,13,20,.2) 74%), url("../images/home-hero-graphene-tech.webp") center / cover no-repeat; }
.technology-detail-hero::after { content: ""; position: absolute; inset: auto 0 0; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--orange)); }
.technology-hero-content { position: relative; z-index: 1; width: min(100%, var(--max)); margin: 0 auto; }
.technology-detail-hero .section-kicker { color: #6ee7f0; }
.technology-detail-hero h1 { max-width: 760px; margin: 10px 0 18px; font-size: clamp(42px, 5.8vw, 72px); line-height: 1.02; }
.technology-detail-hero p { max-width: 700px; margin: 0 0 30px; color: rgba(255,255,255,.78); font-size: clamp(17px, 1.5vw, 20px); line-height: 1.65; }

.technology-detail { padding: 0 0 88px; color: #1e293b; background: #f8fafc; }
.technology-tabs { position: relative; z-index: 3; width: min(calc(100% - 40px), 1120px); margin: 0 auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border: 1px solid #d5e1eb; background: #fff; box-shadow: 0 16px 36px rgba(16,48,67,.1); transform: translateY(-32px); }
.technology-tab { min-height: 66px; padding: 14px 18px; color: #173b4e; font: inherit; font-size: 15px; font-weight: 900; line-height: 1.3; border: 0; border-right: 1px solid #d5e1eb; background: #fff; cursor: pointer; transition: color .2s ease, background .2s ease, box-shadow .2s ease; }
.technology-tab:last-child { border-right: 0; }
.technology-tab:hover { color: #0d7085; background: #f3f9fb; }
.technology-tab.is-active { color: #fff; background: #164b5f; box-shadow: inset 0 -4px 0 var(--orange); }
.technology-tab:focus-visible { position: relative; z-index: 1; outline: 3px solid rgba(32,184,199,.34); outline-offset: -3px; }

.technology-topic { width: min(calc(100% - 40px), var(--max)); margin: 26px auto 0; }
.technology-topic[hidden] { display: none; }
.technology-topic.is-active { animation: technologyTopicIn .32s ease both; }
@keyframes technologyTopicIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}
.technology-intro { display: grid; grid-template-columns: minmax(0, .92fr) minmax(440px, 1.08fr); gap: clamp(36px, 5vw, 76px); align-items: center; padding: 38px 0 62px; }
.technology-intro-media { position: relative; overflow: hidden; min-height: 390px; border-radius: 8px; background: #07141d; box-shadow: 0 24px 54px rgba(12,38,54,.17); }
.technology-intro-media::after { content: ""; position: absolute; inset: 0; border: 1px solid rgba(255,255,255,.18); border-radius: inherit; pointer-events: none; }
.technology-intro-media img { width: 100%; height: 100%; min-height: 390px; object-fit: cover; }
.technology-intro-media--graphene { display: grid; place-items: center; padding: clamp(18px, 3vw, 34px); background: linear-gradient(145deg, #ffffff, #eaf1f8); }
.technology-intro-media--graphene img { min-height: 0; max-height: 430px; object-fit: contain; }
.technology-intro-copy h2, .technology-section-heading h2, .heating-characteristics-copy h2 { margin: 10px 0 18px; color: #102030; font-size: clamp(34px, 4vw, 52px); line-height: 1.08; }
.technology-intro-copy p, .technology-section-heading p, .heating-characteristics-copy p { color: #5b6f82; font-size: 16px; line-height: 1.72; }

.technology-property-hex-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.technology-property-hex-grid article { min-height: 218px; display: grid; align-content: center; padding: 34px 46px; text-align: center; clip-path: polygon(14% 0, 86% 0, 100% 50%, 86% 100%, 14% 100%, 0 50%); background: #eaf1f8; }
.technology-property-hex-grid article:nth-child(even) { background: #f1f6fa; }
.technology-property-hex-grid h3 { margin: 0 0 10px; color: #164b5f; font-size: 19px; line-height: 1.25; }
.technology-property-hex-grid article:nth-child(4n+2) h3,
.technology-property-hex-grid article:nth-child(4n+3) h3 { color: #d65b21; }
.technology-property-hex-grid p { margin: 0; color: #5f7284; font-size: 14px; line-height: 1.55; }

.technology-section-heading { max-width: 820px; padding: 34px 0 28px; }
.far-infrared-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.far-infrared-grid article { position: relative; min-height: 174px; padding: 24px 22px 22px 68px; border: 1px solid #dce6ed; background: #fff; }
.far-infrared-grid b { position: absolute; top: 24px; left: 20px; display: grid; place-items: center; width: 34px; height: 34px; color: #fff; font-size: 12px; background: #164b5f; }
.far-infrared-grid h3 { margin: 0 0 8px; color: #102030; font-size: 17px; line-height: 1.3; }
.far-infrared-grid p { margin: 0; color: #66798b; font-size: 14px; line-height: 1.55; }
.technology-disclaimer { display: grid; grid-template-columns: auto 1fr; gap: 18px; align-items: start; margin-top: 22px; padding: 20px 24px; color: #6b4828; border-left: 4px solid var(--orange); background: #fff4e9; }
.technology-disclaimer strong { color: #9a4c14; white-space: nowrap; }
.technology-disclaimer p { margin: 0; font-size: 13px; line-height: 1.55; }

.heating-characteristics-layout { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(360px, .88fr); gap: clamp(40px, 6vw, 90px); align-items: center; padding: 40px 0 58px; }
.heating-characteristics-copy p { margin: 0 0 14px; }
.heating-characteristics-visual { display: grid; gap: 10px; }
.heating-characteristics-visual div { position: relative; display: grid; grid-template-columns: 42px 1fr; grid-template-rows: auto auto; column-gap: 14px; padding: 18px 20px; color: #fff; background: #102f40; box-shadow: 0 12px 26px rgba(16,48,64,.11); }
.heating-characteristics-visual div:nth-child(even) { margin-left: 34px; background: #1d5a70; }
.heating-characteristics-visual span { grid-row: 1 / 3; display: grid; place-items: center; width: 38px; height: 38px; color: #102f40; font-size: 12px; font-weight: 900; background: #6ee7f0; }
.heating-characteristics-visual strong { font-size: 16px; }
.heating-characteristics-visual small { color: rgba(255,255,255,.65); font-size: 12px; }
.technology-vision-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.technology-vision-grid article { min-height: 132px; display: grid; align-content: center; gap: 8px; padding: 26px 30px; color: #fff; border-right: 1px solid rgba(255,255,255,.18); background: #164b5f; }
.technology-vision-grid article:nth-child(2) { background: #1b7181; }
.technology-vision-grid article:nth-child(3) { border-right: 0; background: #d65b21; }
.technology-vision-grid span { color: rgba(255,255,255,.7); font-size: 11px; font-weight: 900; text-transform: uppercase; }
.technology-vision-grid strong { font-size: 19px; line-height: 1.35; }

.technology-proof-band { display: grid; grid-template-columns: minmax(300px, .9fr) minmax(360px, 1.1fr) auto; gap: clamp(24px, 4vw, 58px); align-items: center; padding: 56px max(20px, calc((100vw - var(--max)) / 2)); color: #fff; background: #102030; }
.technology-proof-band h2 { max-width: 520px; margin: 8px 0 0; font-size: clamp(28px, 3.2vw, 40px); line-height: 1.12; }
.technology-proof-band p { margin: 0; color: rgba(255,255,255,.67); line-height: 1.65; }

@media (max-width: 1040px) {
  .technology-intro { grid-template-columns: 1fr 1fr; }
  .technology-property-hex-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .heating-characteristics-layout { grid-template-columns: 1fr 1fr; gap: 34px; }
  .technology-proof-band { grid-template-columns: 1fr 1fr; }
  .technology-proof-band .btn { justify-self: start; }
}

@media (max-width: 760px) {
  .technology-detail-hero { min-height: 500px; padding-top: 82px; background-position: 66% center; }
  .technology-detail-hero::before { content: ""; position: absolute; inset: 0; background: rgba(5,13,20,.2); }
  .technology-tabs { width: min(calc(100% - 24px), 620px); grid-template-columns: 1fr; transform: translateY(-24px); }
  .technology-tab { min-height: 54px; border-right: 0; border-bottom: 1px solid #d5e1eb; }
  .technology-tab:last-child { border-bottom: 0; }
  .technology-topic { width: min(calc(100% - 32px), var(--max)); margin-top: 12px; }
  .technology-intro, .heating-characteristics-layout { grid-template-columns: 1fr; padding-top: 20px; }
  .technology-intro-media, .technology-intro-media img { min-height: 280px; }
  .technology-intro-media--graphene img { min-height: 0; }
  .technology-property-hex-grid { grid-template-columns: 1fr; }
  .technology-property-hex-grid article { min-height: 188px; padding: 30px 44px; }
  .far-infrared-grid, .technology-vision-grid { grid-template-columns: 1fr; }
  .far-infrared-grid article { min-height: 0; }
  .technology-disclaimer { grid-template-columns: 1fr; gap: 8px; }
  .technology-vision-grid article { min-height: 110px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.18); }
  .technology-vision-grid article:last-child { border-bottom: 0; }
  .technology-proof-band { grid-template-columns: 1fr; padding-top: 46px; padding-bottom: 46px; }
}

@media (prefers-reduced-motion: reduce) {
  .technology-topic.is-active { animation: none; }
}

/* ===== Factory Detail Page ===== */
.factory-manufacturing-hero {
  position: relative;
  min-height: 640px;
  display: grid;
  align-items: center;
  overflow: hidden;
  padding: 96px clamp(20px, 5vw, 70px);
  color: #fff;
  background: #07131f;
}
.factory-hero-backdrop {
  position: absolute;
  inset: 0;
  overflow: hidden;
}
.factory-hero-backdrop img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.factory-hero-backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(5,15,24,.88) 0%, rgba(5,15,24,.64) 38%, rgba(5,15,24,.18) 72%, rgba(5,15,24,.04) 100%),
    linear-gradient(180deg, rgba(5,15,24,.02), rgba(5,15,24,.46));
}
.factory-hero-inner {
  position: relative;
  z-index: 1;
  width: min(100%, var(--max));
  margin: 0 auto;
}
.factory-manufacturing-hero .section-kicker { color: #77dce7; }
.factory-manufacturing-hero h1 {
  max-width: 760px;
  margin: 10px 0 20px;
  font-size: clamp(44px, 6vw, 76px);
  line-height: 1.01;
}
.factory-manufacturing-hero p {
  max-width: 690px;
  margin: 0;
  color: rgba(255,255,255,.76);
  font-size: clamp(17px, 1.5vw, 20px);
  line-height: 1.65;
}
.factory-hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 30px;
}
.factory-tour-anchor {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 8px;
  color: #fff;
  font-size: 14px;
  font-weight: 900;
}
.factory-tour-anchor span {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(255,255,255,.58);
  border-radius: 50%;
  background: rgba(255,255,255,.08);
}

.factory-overview {
  padding: 82px clamp(20px, 4vw, 54px) 0;
  background: #fff;
}
.factory-overview-inner {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(480px, 1.1fr);
  gap: clamp(38px, 6vw, 88px);
  align-items: center;
}
.factory-overview-copy h2,
.factory-section-heading h2,
.factory-quality-control h2,
.factory-equipment-copy h2,
.factory-tour-copy h2 {
  margin: 8px 0 18px;
  color: #102030;
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
}
.factory-overview-copy p,
.factory-section-heading p,
.factory-quality-control > p,
.factory-equipment-copy p,
.factory-tour-copy p {
  color: #617386;
  font-size: 16px;
  line-height: 1.68;
}
.factory-overview-media {
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 22px 54px rgba(16,48,64,.14);
}
.factory-overview-media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}
.factory-overview-facts {
  width: min(100%, var(--max));
  margin: 58px auto 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid #dce6ed;
}
.factory-overview-facts div {
  min-width: 0;
  min-height: 142px;
  display: grid;
  align-content: center;
  gap: 8px;
  padding: 26px clamp(18px, 3vw, 34px);
  border-right: 1px solid #dce6ed;
}
.factory-overview-facts div:last-child { border-right: 0; }
.factory-overview-facts strong {
  color: #164b5f;
  font-size: clamp(20px, 2.2vw, 30px);
  line-height: 1.12;
}
.factory-overview-facts span {
  color: #758595;
  font-size: 13px;
  font-weight: 800;
}

.factory-capability-section {
  padding: 80px clamp(20px, 4vw, 54px) 88px;
  color: #fff;
  background: #0b2235;
}
.factory-section-heading {
  width: min(100%, var(--max));
  margin: 0 auto 32px;
}
.factory-capability-section .factory-section-heading {
  max-width: var(--max);
  text-align: center;
}
.factory-capability-section .factory-section-heading h2 { color: #fff; }
.factory-capability-section .factory-section-heading p {
  max-width: 720px;
  margin: 0 auto;
  color: rgba(255,255,255,.62);
}
.factory-capability-grid {
  width: min(100%, var(--max));
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}
.factory-capability-grid article {
  min-width: 0;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,.13);
  border-radius: 8px;
  background: #102f45;
}
.factory-capability-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.factory-capability-grid article > div {
  position: relative;
  min-height: 160px;
  padding: 22px 20px 22px 58px;
}
.factory-capability-grid span {
  position: absolute;
  top: 22px;
  left: 18px;
  color: #6ee7f0;
  font-size: 13px;
  font-weight: 900;
}
.factory-capability-grid h3 {
  margin: 0 0 8px;
  font-size: 18px;
  line-height: 1.24;
}
.factory-capability-grid p {
  margin: 0;
  color: rgba(255,255,255,.58);
  font-size: 13px;
  line-height: 1.55;
}

.factory-process {
  padding: 76px clamp(20px, 4vw, 54px) 82px;
  background: #f4f7f9;
}
.factory-heading-dark {
  text-align: center;
}
.factory-process-list {
  width: min(100%, var(--max));
  margin: 36px auto 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(8, minmax(0, 1fr));
  list-style: none;
}
.factory-process-list li {
  position: relative;
  min-width: 0;
  display: grid;
  justify-items: center;
  align-content: start;
  gap: 14px;
  padding: 0 8px;
  color: #30495d;
  text-align: center;
}
.factory-process-list li:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 25px;
  left: calc(50% + 28px);
  width: calc(100% - 56px);
  height: 1px;
  background: #a9c0cf;
}
.factory-process-list b {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: #fff;
  border-radius: 50%;
  background: #164b5f;
  box-shadow: 0 8px 18px rgba(22,75,95,.16);
}
.factory-process-list li:nth-child(3) b,
.factory-process-list li:nth-child(4) b,
.factory-process-list li:nth-child(5) b { background: #d65b21; }
.factory-process-list span {
  max-width: 120px;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.35;
}

.factory-operations {
  width: min(calc(100% - 40px), var(--max));
  margin: 84px auto;
  display: grid;
  grid-template-columns: minmax(320px, .78fr) minmax(0, 1.22fr);
  gap: clamp(28px, 4vw, 58px);
  align-items: stretch;
}
.factory-quality-control {
  padding: clamp(30px, 4vw, 48px);
  color: #fff;
  border-radius: 8px;
  background: #102030;
}
.factory-quality-control h2 { color: #fff; }
.factory-quality-control > p { color: rgba(255,255,255,.62); }
.factory-quality-control ol {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  list-style: none;
  background: rgba(255,255,255,.11);
}
.factory-quality-control li {
  min-width: 0;
  display: grid;
  grid-template-columns: 38px 1fr;
  gap: 14px;
  align-items: center;
  padding: 16px;
  background: #102030;
}
.factory-quality-control li > span {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: #102030;
  font-size: 11px;
  font-weight: 900;
  border-radius: 50%;
  background: #6ee7f0;
}
.factory-quality-control strong { display: block; font-size: 15px; }
.factory-quality-control small { color: rgba(255,255,255,.55); font-size: 12px; }
.factory-equipment {
  min-width: 0;
  display: grid;
  align-content: start;
}
.factory-equipment-copy {
  max-width: 720px;
}
.factory-equipment-gallery {
  min-width: 0;
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  grid-template-rows: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.factory-equipment-gallery figure {
  min-width: 0;
  min-height: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 8px;
  background: #dfe7ec;
}
.factory-equipment-gallery .factory-equipment-main { grid-row: 1 / 3; }
.factory-equipment-gallery img {
  width: 100%;
  height: 100%;
  min-height: 210px;
  object-fit: cover;
}

.factory-tour {
  padding: 82px max(20px, calc((100vw - var(--max)) / 2));
  display: grid;
  grid-template-columns: minmax(300px, .7fr) minmax(0, 1.3fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: center;
  background: #eaf1f8;
}
.factory-tour-copy { max-width: 500px; }
.factory-tour-video {
  overflow: hidden;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  background: #102030;
  box-shadow: 0 22px 52px rgba(16,48,64,.18);
}
.factory-tour-video video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #102030;
}
.about-factory-link { margin-top: 14px; }

/* ===== About Company Profile ===== */
.about-profile {
  padding: 82px max(20px, calc((100vw - var(--max)) / 2));
  color: #1e293b;
  background: #fff;
}
.about-profile-inner { max-width: var(--max); margin: 0 auto; }
.about-profile h2 {
  max-width: 930px;
  margin: 8px 0 28px;
  color: #102030;
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.08;
}
.about-profile-copy { max-width: 1240px; }
.about-profile-copy p {
  margin: 0 0 18px;
  color: #52677a;
  font-size: 16px;
  line-height: 1.78;
}
.about-profile-copy .about-profile-lead {
  color: #102030;
  font-size: 18px;
  line-height: 1.65;
}
.about-values-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 52px;
}
.about-values-grid article {
  min-height: 178px;
  padding: 30px;
  border: 1px solid #d8e3ea;
  border-top: 3px solid var(--cyan);
  border-radius: 6px;
  background: #fbfdfe;
  box-shadow: 0 12px 30px rgba(16,48,64,.06);
}
.about-values-grid article:nth-child(2) { border-top-color: var(--orange); }
.about-values-grid article:nth-child(3) { border-top-color: var(--blue); }
.about-values-grid span {
  display: block;
  margin-bottom: 18px;
  color: #20a9b7;
  font-size: 13px;
  font-weight: 900;
}
.about-values-grid h3 {
  margin: 0 0 9px;
  color: #102030;
  font-size: 23px;
  line-height: 1.25;
}
.about-values-grid p { margin: 0; color: #607487; font-size: 14px; line-height: 1.6; }
.about-facts { padding-top: 58px; padding-bottom: 58px; background: #f4f7f8; }

@media (max-width: 1080px) {
  .about-values-grid { grid-template-columns: 1fr 1fr; }
  .about-values-grid article:last-child { grid-column: 1 / -1; }
  .factory-overview-inner { grid-template-columns: 1fr 1fr; gap: 34px; }
  .factory-capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .factory-process-list { grid-template-columns: repeat(4, minmax(0, 1fr)); row-gap: 34px; }
  .factory-process-list li:nth-child(4)::after { display: none; }
  .factory-operations { grid-template-columns: 1fr; }
  .factory-equipment-gallery img { min-height: 250px; }
}

@media (max-width: 760px) {
  .about-profile { padding-top: 64px; padding-bottom: 64px; }
  .about-profile-copy p { font-size: 15px; line-height: 1.7; }
  .about-profile-copy .about-profile-lead { font-size: 16px; }
  .about-values-grid { grid-template-columns: 1fr; margin-top: 38px; }
  .about-values-grid article:last-child { grid-column: auto; }
  .factory-manufacturing-hero { min-height: 610px; padding-top: 82px; }
  .factory-hero-backdrop img { object-position: center; }
  .factory-hero-backdrop::after {
    background: linear-gradient(90deg, rgba(5,15,24,.92), rgba(5,15,24,.55)), linear-gradient(180deg, transparent, rgba(5,15,24,.7));
  }
  .factory-overview { padding-top: 64px; }
  .factory-overview-inner { grid-template-columns: 1fr; }
  .factory-overview-facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .factory-overview-facts div:nth-child(2) { border-right: 0; }
  .factory-overview-facts div:nth-child(-n+2) { border-bottom: 1px solid #dce6ed; }
  .factory-capability-grid { grid-template-columns: 1fr; }
  .factory-process-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .factory-process-list li:nth-child(even)::after { display: none; }
  .factory-process-list li:nth-child(4)::after { display: none; }
  .factory-equipment-gallery { grid-template-columns: 1fr; grid-template-rows: auto; }
  .factory-equipment-gallery .factory-equipment-main { grid-row: auto; }
  .factory-equipment-gallery figure { aspect-ratio: 16 / 11; }
  .factory-equipment-gallery img { min-height: 0; }
  .factory-tour { grid-template-columns: 1fr; padding-top: 64px; padding-bottom: 64px; }
}

@media (max-width: 460px) {
  .factory-manufacturing-hero h1 { font-size: 40px; }
  .factory-hero-actions { align-items: stretch; }
  .factory-hero-actions .btn { width: 100%; }
  .factory-tour-anchor { justify-content: center; width: 100%; }
  .factory-overview-facts { grid-template-columns: 1fr; }
  .factory-overview-facts div,
  .factory-overview-facts div:nth-child(2) { border-right: 0; border-bottom: 1px solid #dce6ed; }
  .factory-overview-facts div:last-child { border-bottom: 0; }
  .factory-process-list { grid-template-columns: 1fr; }
  .factory-process-list li:not(:last-child)::after { top: 58px; left: 50%; width: 1px; height: 28px; }
  .factory-process-list li { padding-bottom: 28px; }
}
/* Keep wide technical tables inside the mobile viewport. */
@media (max-width: 640px) {
  .tech-params-wrapper {
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }

  .tile-params-table {
    min-width: 720px;
  }
}

.whatsapp-open {
  overflow: hidden;
}

.whatsapp-float {
  position: fixed;
  right: 28px;
  bottom: 28px;
  z-index: 1200;
  display: grid;
  width: 64px;
  height: 64px;
  place-items: center;
  color: #25d366;
  border: 0;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 18px 42px rgba(16, 32, 48, .22);
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease;
}

.whatsapp-float::before {
  content: "";
  position: absolute;
  inset: 7px;
  z-index: -1;
  border-radius: inherit;
  background: rgba(37, 211, 102, .22);
  animation: whatsappGlow 3s ease-in-out infinite;
}

.whatsapp-float svg {
  width: 44px;
  height: 44px;
  animation: whatsappFloat 3s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.04);
  box-shadow: 0 22px 54px rgba(16, 32, 48, .28);
}

.whatsapp-panel {
  position: fixed;
  inset: 0;
  z-index: 1300;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}

.whatsapp-panel.is-open {
  opacity: 1;
  pointer-events: auto;
}

.whatsapp-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(248, 250, 252, .88);
  backdrop-filter: blur(8px);
}

.whatsapp-card {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  width: min(640px, 100%);
  padding: 42px 34px 34px;
  color: #0f172a;
  text-align: center;
  border: 1px solid rgba(16, 32, 48, .10);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 26px 70px rgba(16, 32, 48, .18);
}

.whatsapp-close {
  position: absolute;
  top: 14px;
  right: 16px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: #5b6673;
  border: 1px solid rgba(16, 32, 48, .14);
  border-radius: 50%;
  background: #fff;
  cursor: pointer;
}

.whatsapp-brand {
  position: absolute;
  top: 20px;
  left: 22px;
  display: inline-flex;
  gap: 8px;
  align-items: center;
  color: #25d366;
  font-size: 20px;
  font-weight: 900;
}

.whatsapp-brand svg {
  width: 28px;
  height: 28px;
}

.whatsapp-avatar {
  width: 82px;
  height: 82px;
  margin-top: 48px;
  object-fit: cover;
  border-radius: 50%;
  box-shadow: 0 10px 28px rgba(16, 32, 48, .16);
}

.whatsapp-card h2 {
  margin: 26px 0 10px;
  font-size: clamp(26px, 3vw, 36px);
  letter-spacing: 0;
}

.whatsapp-card p {
  max-width: 520px;
  margin: 0 0 22px;
  color: #5f6b7a;
  line-height: 1.65;
}

.whatsapp-primary,
.whatsapp-secondary {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: min(360px, 100%);
  min-height: 54px;
  margin-top: 12px;
  border-radius: 999px;
  font-weight: 900;
}

.whatsapp-primary {
  color: #06110b;
  border: 1px solid #111;
  background: #25d366;
}

.whatsapp-secondary {
  color: #111827;
  border: 1px solid #111827;
  background: #fff;
}

.whatsapp-download {
  margin-top: 24px !important;
  color: #111827 !important;
  font-weight: 800;
}

.whatsapp-download a {
  color: #128c7e;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@keyframes whatsappFloat {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }

  50% {
    transform: translateY(-3px) scale(1.03);
  }
}

@keyframes whatsappGlow {
  0%,
  100% {
    opacity: .42;
    transform: scale(.92);
  }

  50% {
    opacity: .8;
    transform: scale(1.18);
  }
}

@media (max-width: 680px) {
  .whatsapp-float {
    right: 18px;
    bottom: 18px;
    width: 56px;
    height: 56px;
  }

  .whatsapp-float svg {
    width: 38px;
    height: 38px;
  }

  .whatsapp-card {
    padding: 34px 20px 28px;
  }

  .whatsapp-brand {
    position: static;
    margin-bottom: 8px;
  }

  .whatsapp-avatar {
    margin-top: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .whatsapp-float,
  .whatsapp-float::before,
  .whatsapp-float svg {
    animation: none;
    transition: none;
  }

  .whatsapp-panel {
    transition: none;
  }
}