:root {
  --tf-ink: #132437;
  --tf-muted: #647487;
  --tf-line: #dce5ec;
  --tf-soft: #f3f7f9;
  --tf-white: #ffffff;
  --tf-navy: #01589e;
  --tf-blue: #01589e;
  --tf-cyan: #01589e;
  --tf-ice: #dff7fb;
  --tf-orange: #ff7a2f;
  --tf-shadow: 0 18px 50px rgba(10, 38, 61, 0.11);
  --tf-radius: 18px;
  --tf-radius-sm: 10px;
  --tf-container: 1220px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--tf-ink);
  background: var(--tf-white);
  font: 16px/1.75 "Inter", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; }
button { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p { margin-top: 0; }
.tf-container { width: min(calc(100% - 40px), var(--tf-container)); margin-inline: auto; }
.tf-sr-only { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important; }
.tf-section { padding: 88px 0; }
.tf-section--soft { background: var(--tf-soft); }
.tf-kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
  color: var(--tf-blue);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}
.tf-kicker::before { width: 30px; height: 2px; background: var(--tf-cyan); content: ""; }
.tf-section-head { display: flex; align-items: end; justify-content: space-between; gap: 32px; margin-bottom: 36px; }
.tf-section-head h2 { margin-bottom: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.2; letter-spacing: -.035em; }
.tf-section-head p { max-width: 610px; margin: 0; color: var(--tf-muted); }
.tf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--tf-cyan);
  color: #fff;
  font-weight: 750;
  line-height: 1;
  cursor: pointer;
  transition: transform .2s, box-shadow .2s, background .2s;
}
.tf-btn:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(0, 168, 198, .25); }
.tf-btn--outline { border-color: rgba(255,255,255,.42); background: rgba(255,255,255,.06); }
.tf-btn--dark { background: var(--tf-navy); }
.tf-btn--light { background: #fff; color: var(--tf-navy); }
.tf-arrow::after { margin-left: 10px; content: "\2192"; }
.tf-chip { display: inline-flex; padding: 7px 12px; border-radius: 999px; background: var(--tf-ice); color: var(--tf-blue); font-size: 13px; font-weight: 750; }

/* Header */
.tf-topbar { background: #fff; color: var(--tf-muted); border-bottom: 1px solid var(--tf-line); font-size: 13px; }
.tf-topbar__inner { display: flex; align-items: center; justify-content: space-between; min-height: 36px; }
.tf-topbar__meta { display: flex; gap: 22px; }
.tf-topbar a:hover { color: var(--tf-blue); }
.tf-header {
  position: sticky;
  z-index: 100;
  top: 0;
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(220,229,236,.8);
  backdrop-filter: blur(14px);
  transition: box-shadow .2s;
}
.tf-header.is-scrolled { box-shadow: 0 10px 30px rgba(10, 38, 61, .08); }
.tf-header__inner { display: flex; align-items: center; min-height: 82px; gap: 28px; }
.tf-brand { display: flex; flex: 0 0 auto; align-items: center; gap: 14px; }
.tf-brand img { width: auto; max-width: 180px; height: 50px; object-fit: contain; }
.tf-brand__line { width: 1px; height: 32px; background: var(--tf-line); }
.tf-brand__text { color: var(--tf-muted); font-size: 11px; line-height: 1.35; letter-spacing: .08em; }
.tf-nav { display: flex; flex: 1; justify-content: center; }
.tf-nav > ul { display: flex; align-items: stretch; gap: 2px; }
.tf-nav__item { position: relative; }
.tf-nav__link { display: flex; align-items: center; height: 82px; padding: 0 15px; font-size: 15px; font-weight: 700; }
.tf-nav__item:hover > .tf-nav__link, .tf-nav__item.is-active > .tf-nav__link { color: var(--tf-blue); }
.tf-nav__item.is-active > .tf-nav__link::after {
  position: absolute; right: 15px; bottom: -1px; left: 15px; height: 3px; background: var(--tf-cyan); content: "";
}
.tf-subnav {
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  min-width: 240px;
  padding: 10px;
  border: 1px solid var(--tf-line);
  border-radius: 0 0 12px 12px;
  background: #fff;
  box-shadow: var(--tf-shadow);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, 10px);
  transition: .2s;
}
.tf-nav__item:hover .tf-subnav { opacity: 1; visibility: visible; transform: translate(-50%, 0); }
.tf-subnav a { display: block; padding: 9px 12px; border-radius: 7px; color: var(--tf-muted); font-size: 14px; }
.tf-subnav a:hover { background: var(--tf-soft); color: var(--tf-blue); }
.tf-header__actions { display: flex; flex: 0 0 auto; align-items: center; gap: 10px; }
.tf-icon-btn {
  display: inline-grid; width: 44px; height: 44px; place-items: center; border: 1px solid var(--tf-line); border-radius: 8px; background: #fff; cursor: pointer;
}
.tf-menu-btn { display: none; }
.tf-menu-btn span, .tf-menu-btn::before, .tf-menu-btn::after { display: block; width: 21px; height: 2px; background: currentColor; content: ""; transition: .2s; }
.tf-menu-btn span { margin: 5px 0; }

/* Home banner */
.tf-banner { position: relative; overflow: hidden; background: #eef4f7; }
.tf-banner__track { position: relative; }
.tf-banner__slide { display: none; width: 100%; }
.tf-banner__slide:first-child, .tf-banner__slide.is-active { display: block; }
.tf-banner.is-ready .tf-banner__slide:first-child:not(.is-active) { display: none; }
.tf-banner__slide img { width: 100%; height: auto; aspect-ratio: 1919 / 549; object-fit: contain; }
.tf-banner__dots { position: absolute; right: 0; bottom: 14px; left: 0; display: flex; justify-content: center; gap: 8px; pointer-events: none; }
.tf-banner__dot { width: 8px; height: 8px; padding: 0; border: 1px solid rgba(255,255,255,.85); border-radius: 50%; background: rgba(8,38,63,.35); box-shadow: 0 1px 4px rgba(0,0,0,.18); pointer-events: auto; cursor: pointer; }
.tf-banner__dot.is-active { width: 24px; border-radius: 999px; background: #fff; }

/* Hero */
.tf-hero { position: relative; min-height: 660px; overflow: hidden; background: var(--tf-navy); color: #fff; }
.tf-hero__media, .tf-hero__media::after { position: absolute; inset: 0; }
.tf-hero__media img { width: 100%; height: 100%; object-fit: cover; opacity: .44; }
.tf-hero__media::after { background: linear-gradient(90deg, rgba(5,28,47,.96) 0%, rgba(5,28,47,.72) 48%, rgba(5,28,47,.22) 100%); content: ""; }
.tf-hero::before {
  position: absolute; z-index: 1; right: -10%; bottom: -45%; width: 620px; height: 620px; border: 1px solid rgba(111,230,244,.18); border-radius: 50%; box-shadow: 0 0 0 80px rgba(111,230,244,.04), 0 0 0 160px rgba(111,230,244,.025); content: "";
}
.tf-hero__inner { position: relative; z-index: 2; display: flex; align-items: center; min-height: 660px; }
.tf-hero__content { max-width: 820px; padding: 80px 0 96px; }
.tf-hero__eyebrow { display: flex; align-items: center; gap: 12px; margin-bottom: 22px; color: #83e9f3; font-size: 13px; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
.tf-hero__eyebrow::before { width: 40px; height: 2px; background: currentColor; content: ""; }
.tf-hero h1 { max-width: 760px; margin-bottom: 24px; font-size: clamp(42px, 6vw, 72px); line-height: 1.08; letter-spacing: -.045em; }
.tf-hero h1 span { color: #83e9f3; }
.tf-hero__lead { max-width: 660px; margin-bottom: 32px; color: rgba(255,255,255,.77); font-size: clamp(17px, 2vw, 21px); }
.tf-hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.tf-hero__facts { display: grid; grid-template-columns: repeat(3, 1fr); max-width: 720px; margin-top: 54px; border-top: 1px solid rgba(255,255,255,.18); }
.tf-hero__fact { padding: 20px 22px 0 0; }
.tf-hero__fact strong { display: block; margin-bottom: 2px; color: #fff; font-size: 18px; }
.tf-hero__fact span { color: rgba(255,255,255,.56); font-size: 13px; }

/* Home sections */
.tf-selector { position: relative; z-index: 4; padding-top: 30px; }
.tf-selector__panel { padding: 28px; border: 1px solid rgba(220,229,236,.8); border-radius: var(--tf-radius); background: #fff; box-shadow: var(--tf-shadow); }
.tf-selector__head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.tf-selector__head h2 { margin: 0; font-size: 22px; }
.tf-selector__head p { margin: 0; color: var(--tf-muted); font-size: 14px; }
.tf-selector__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.tf-selector-card { position: relative; min-height: 132px; padding: 22px; overflow: hidden; border: 1px solid var(--tf-line); border-radius: 12px; transition: .2s; }
.tf-selector-card::after { position: absolute; right: 18px; bottom: 12px; color: var(--tf-cyan); font-size: 24px; content: "\2197"; }
.tf-selector-card:hover { border-color: var(--tf-cyan); background: var(--tf-soft); transform: translateY(-3px); }
.tf-selector-card span { display: block; color: var(--tf-blue); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.tf-selector-card h3 { margin: 8px 34px 0 0; font-size: 17px; line-height: 1.45; }
.tf-product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.tf-product-card { overflow: hidden; border: 1px solid var(--tf-line); border-radius: var(--tf-radius-sm); background: #fff; transition: .25s; }
.tf-product-card:hover { transform: translateY(-6px); border-color: transparent; box-shadow: var(--tf-shadow); }
.tf-product-card__image { display: flex; align-items: center; justify-content: center; aspect-ratio: 1.18; padding: 18px; overflow: hidden; background: linear-gradient(145deg,#f7fafb,#edf3f6); }
.tf-product-card__image img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.tf-product-card:hover .tf-product-card__image img { transform: scale(1.045); }
.tf-product-card__body { padding: 20px; }
.tf-product-card__body h3 { min-height: 50px; margin: 10px 0 8px; font-size: 17px; line-height: 1.45; }
.tf-product-card__body p { min-height: 48px; margin-bottom: 16px; color: var(--tf-muted); font-size: 13px; line-height: 1.65; }
.tf-text-link { color: var(--tf-blue); font-size: 14px; font-weight: 800; }
.tf-text-link::after { margin-left: 8px; content: "\2192"; }
.tf-application-grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 18px; }
.tf-application-card { position: relative; grid-column: span 4; min-height: 300px; padding: 30px; overflow: hidden; border-radius: var(--tf-radius); background: var(--tf-navy); color: #fff; }
.tf-application-card:nth-child(1), .tf-application-card:nth-child(4) { grid-column: span 6; }
.tf-application-card::before { position: absolute; inset: 0; background: radial-gradient(circle at 80% 15%, rgba(66,225,242,.25), transparent 36%), linear-gradient(140deg,transparent 45%,rgba(255,255,255,.05)); content: ""; }
.tf-application-card__num { position: relative; color: #6fe6f2; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.tf-application-card h3 { position: relative; max-width: 360px; margin: 80px 0 12px; font-size: 27px; line-height: 1.25; }
.tf-application-card p { position: relative; max-width: 390px; margin: 0; color: rgba(255,255,255,.65); font-size: 14px; }
.tf-application-card .tf-text-link { position: absolute; right: 28px; bottom: 24px; color: #83e9f3; }
.tf-about-grid { display: grid; grid-template-columns: 1.05fr .95fr; align-items: center; gap: 70px; }
.tf-about-image { position: relative; }
.tf-about-image img { width: 100%; min-height: 430px; border-radius: var(--tf-radius); object-fit: cover; }
.tf-about-image::after { position: absolute; right: -20px; bottom: -20px; width: 44%; height: 42%; border: 7px solid var(--tf-cyan); border-top: 0; border-left: 0; content: ""; }
.tf-about-copy h2 { margin-bottom: 22px; font-size: clamp(32px,4vw,48px); line-height: 1.2; }
.tf-about-copy p { color: var(--tf-muted); }
.tf-about-points { display: grid; grid-template-columns: repeat(2,1fr); gap: 12px; margin: 28px 0 32px; }
.tf-about-point { padding: 15px 16px; border-left: 3px solid var(--tf-cyan); background: var(--tf-soft); font-size: 14px; font-weight: 700; }
.tf-news-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.tf-news-card { display: grid; grid-template-columns: 180px 1fr; min-height: 160px; overflow: hidden; border: 1px solid var(--tf-line); border-radius: 12px; background: #fff; transition: .2s; }
.tf-news-card:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(10,38,61,.09); }
.tf-news-card__image img { width: 100%; height: 100%; object-fit: cover; }
.tf-news-card__body { padding: 22px; }
.tf-news-card__date { color: var(--tf-blue); font-size: 12px; font-weight: 800; }
.tf-news-card h3 { margin: 8px 0 10px; font-size: 18px; line-height: 1.45; }
.tf-news-card p { margin: 0; color: var(--tf-muted); font-size: 13px; }
.tf-cta { position: relative; padding: 62px 0; overflow: hidden; border-top: 1px solid var(--tf-line); background: #eef7fa; color: var(--tf-ink); }
.tf-cta::before { position: absolute; top: -220px; right: -100px; width: 520px; height: 520px; border: 1px solid rgba(13,125,175,.12); border-radius: 50%; box-shadow: 0 0 0 70px rgba(13,125,175,.035); content: ""; }
.tf-cta__inner { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 40px; }
.tf-cta h2 { margin-bottom: 8px; font-size: clamp(28px,4vw,42px); }
.tf-cta p { margin: 0; color: var(--tf-muted); }
.tf-cta__actions { display: flex; flex: 0 0 auto; gap: 10px; }
.tf-cta .tf-btn--light { background: var(--tf-blue); color: #fff; }
.tf-cta .tf-btn--outline { border-color: var(--tf-blue); background: transparent; color: var(--tf-blue); }

/* Inner pages */
.tf-page-hero { position: relative; padding: 78px 0 70px; overflow: hidden; background: var(--tf-navy); color: #fff; }
.tf-page-hero::after { position: absolute; top: -180px; right: 3%; width: 450px; height: 450px; border: 1px solid rgba(111,230,244,.2); border-radius: 50%; box-shadow: 0 0 0 70px rgba(111,230,244,.035); content: ""; }
.tf-page-hero__inner { position: relative; z-index: 1; }
.tf-page-hero h1 { margin: 8px 0 12px; font-size: clamp(34px,5vw,56px); line-height: 1.16; }
.tf-page-hero p { max-width: 680px; margin: 0; color: rgba(255,255,255,.68); }
.tf-breadcrumb { margin-bottom: 24px; color: var(--tf-muted); font-size: 13px; }
.tf-breadcrumb a:hover { color: var(--tf-blue); }
.tf-page-layout { display: grid; grid-template-columns: 260px minmax(0,1fr); gap: 42px; }
.tf-sidebar { align-self: start; position: sticky; top: 112px; }
.tf-sidebar__block { margin-bottom: 20px; padding: 20px; border: 1px solid var(--tf-line); border-radius: 12px; background: #fff; }
.tf-sidebar__title { margin-bottom: 14px; font-size: 18px; }
.tf-sidebar__nav a { display: flex; justify-content: space-between; padding: 10px 10px; border-bottom: 1px solid var(--tf-line); color: var(--tf-muted); font-size: 14px; }
.tf-sidebar__nav a::after { content: "\203A"; }
.tf-sidebar__nav a:hover, .tf-sidebar__nav a.is-active { color: var(--tf-blue); }
.tf-sidebar__contact { padding: 24px; border-radius: 12px; background: var(--tf-navy); color: #fff; }
.tf-sidebar__contact small { display: block; color: rgba(255,255,255,.58); }
.tf-sidebar__contact strong { display: block; margin: 8px 0 18px; font-size: 20px; }
.tf-category-bar { display: flex; flex-wrap: wrap; gap: 9px; margin-bottom: 28px; }
.tf-category-bar a { padding: 9px 14px; border: 1px solid var(--tf-line); border-radius: 999px; color: var(--tf-muted); font-size: 13px; transition: .2s; }
.tf-category-bar a:hover { border-color: var(--tf-cyan); color: var(--tf-blue); background: var(--tf-ice); }
.tf-list-head { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 26px; }
.tf-list-head h2 { margin: 0; font-size: 30px; }
.tf-list-head p { margin: 0; color: var(--tf-muted); font-size: 14px; }
.tf-pagination { display: flex; justify-content: center; flex-wrap: wrap; gap: 7px; margin-top: 40px; }
.tf-pagination a, .tf-pagination span { display: inline-grid; min-width: 40px; height: 40px; padding: 0 10px; place-items: center; border: 1px solid var(--tf-line); border-radius: 7px; background: #fff; color: var(--tf-muted); font-size: 13px; }
.tf-pagination .page-num-current, .tf-pagination a:hover { border-color: var(--tf-blue); background: var(--tf-blue); color: #fff; }

/* Product detail */
.tf-product-hero { padding: 54px 0 74px; background: linear-gradient(180deg,#f4f8fa,#fff); }
.tf-product-detail { display: grid; grid-template-columns: minmax(0,1.05fr) minmax(380px,.95fr); gap: 58px; align-items: start; }
.tf-product-gallery__main { display: grid; min-height: 470px; padding: 28px; place-items: center; overflow: hidden; border: 1px solid var(--tf-line); border-radius: var(--tf-radius); background: #fff; }
.tf-product-gallery__main img { width: 100%; max-height: 480px; object-fit: contain; }
.tf-product-gallery__thumbs { display: grid; grid-template-columns: repeat(6,1fr); gap: 10px; margin-top: 12px; }
.tf-product-thumb { display: grid; aspect-ratio: 1; padding: 7px; place-items: center; border: 1px solid var(--tf-line); border-radius: 8px; background: #fff; cursor: pointer; }
.tf-product-thumb.is-active, .tf-product-thumb:hover { border-color: var(--tf-cyan); }
.tf-product-thumb img { width: 100%; height: 100%; object-fit: contain; }
.tf-product-summary__category { color: var(--tf-blue); font-size: 13px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.tf-product-summary h1 { margin: 12px 0 18px; font-size: clamp(30px,4vw,45px); line-height: 1.25; letter-spacing: -.03em; }
.tf-product-summary__desc { color: var(--tf-muted); }
.tf-product-highlights { display: grid; grid-template-columns: repeat(2,1fr); gap: 10px; margin: 26px 0; }
.tf-product-highlight { padding: 15px; border: 1px solid var(--tf-line); border-radius: 9px; background: #fff; }
.tf-product-highlight small { display: block; color: var(--tf-muted); font-size: 12px; }
.tf-product-highlight strong { font-size: 15px; }
.tf-product-summary__actions { display: flex; flex-wrap: wrap; gap: 10px; }
.tf-product-note { margin-top: 18px; padding: 14px 16px; border-left: 3px solid var(--tf-cyan); background: var(--tf-ice); color: var(--tf-blue); font-size: 13px; }
.tf-product-content { padding: 76px 0; }
.tf-content-tabs { display: flex; gap: 28px; margin-bottom: 30px; border-bottom: 1px solid var(--tf-line); }
.tf-content-tabs a { padding: 0 0 13px; border-bottom: 3px solid transparent; font-weight: 750; }
.tf-content-tabs a:first-child { border-color: var(--tf-cyan); color: var(--tf-blue); }
.tf-richtext { color: #33475a; line-height: 1.9; }
.tf-richtext h2, .tf-richtext h3, .tf-richtext h4 { margin: 38px 0 14px; color: var(--tf-ink); line-height: 1.35; }
.tf-richtext h2 { padding-left: 14px; border-left: 4px solid var(--tf-cyan); font-size: 26px; }
.tf-richtext img { margin: 20px auto; height: auto !important; }
.tf-richtext table { width: 100% !important; height: auto !important; border-collapse: collapse; background: #fff; }
.tf-richtext th, .tf-richtext td { min-width: 120px; padding: 12px 14px !important; border: 1px solid var(--tf-line) !important; text-align: left; }
.tf-richtext tr:nth-child(even) { background: var(--tf-soft); }
.tf-table-scroll { max-width: 100%; overflow-x: auto; margin: 22px 0; border-radius: 8px; -webkit-overflow-scrolling: touch; }
.tf-related { padding: 76px 0; background: var(--tf-soft); }

/* News and content */
.tf-article-list { display: grid; gap: 16px; }
.tf-article-card { display: grid; grid-template-columns: 250px 1fr; min-height: 190px; overflow: hidden; border: 1px solid var(--tf-line); border-radius: 12px; background: #fff; transition: .2s; }
.tf-article-card:hover { transform: translateY(-3px); box-shadow: var(--tf-shadow); }
.tf-article-card__image img { width: 100%; height: 100%; object-fit: cover; }
.tf-article-card__body { padding: 26px 28px; }
.tf-article-card__meta { color: var(--tf-blue); font-size: 12px; font-weight: 750; }
.tf-article-card h2 { margin: 9px 0 10px; font-size: 21px; line-height: 1.4; }
.tf-article-card p { margin: 0; color: var(--tf-muted); font-size: 14px; }
.tf-article { max-width: 900px; margin: auto; }
.tf-article__head { margin-bottom: 38px; padding-bottom: 26px; border-bottom: 1px solid var(--tf-line); text-align: center; }
.tf-article__head h1 { margin-bottom: 16px; font-size: clamp(31px,5vw,48px); line-height: 1.25; }
.tf-article__meta { display: flex; justify-content: center; gap: 20px; color: var(--tf-muted); font-size: 13px; }
.tf-prevnext { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; margin-top: 44px; padding-top: 24px; border-top: 1px solid var(--tf-line); font-size: 14px; }
.tf-prevnext > div { padding: 16px; border-radius: 8px; background: var(--tf-soft); }
.tf-single { max-width: 950px; min-height: 300px; }

/* Forms */
.tf-enquiry-layout { display: grid; grid-template-columns: .82fr 1.18fr; gap: 42px; }
.tf-enquiry-info { padding: 36px; border-radius: var(--tf-radius); background: var(--tf-navy); color: #fff; }
.tf-enquiry-info h2 { margin-bottom: 16px; font-size: 32px; }
.tf-enquiry-info > p { color: rgba(255,255,255,.64); }
.tf-contact-list { display: grid; gap: 16px; margin-top: 32px; }
.tf-contact-item { padding: 16px 0; border-top: 1px solid rgba(255,255,255,.14); }
.tf-contact-item small { display: block; color: rgba(255,255,255,.5); }
.tf-contact-item strong { font-size: 18px; }
.tf-form-card { padding: 36px; border: 1px solid var(--tf-line); border-radius: var(--tf-radius); background: #fff; box-shadow: 0 16px 44px rgba(10,38,61,.07); }
.tf-form-card h2 { margin-bottom: 8px; font-size: 28px; }
.tf-form-card__lead { margin-bottom: 24px; color: var(--tf-muted); font-size: 14px; }
.tf-form-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; }
.tf-field--full { grid-column: 1 / -1; }
.tf-field label { display: block; margin-bottom: 7px; font-size: 13px; font-weight: 750; }
.tf-field input, .tf-field textarea, .tf-field select { width: 100%; padding: 12px 14px; border: 1px solid var(--tf-line); border-radius: 8px; background: #fff; outline: none; }
.tf-field input:focus, .tf-field textarea:focus, .tf-field select:focus { border-color: var(--tf-cyan); box-shadow: 0 0 0 3px rgba(0,168,198,.12); }
.tf-field textarea { min-height: 140px; resize: vertical; }
.tf-consent { display: flex; gap: 8px; margin: 18px 0; color: var(--tf-muted); font-size: 12px; }
.tf-consent input { margin-top: 5px; }
.tf-search-empty { padding: 60px 20px; text-align: center; color: var(--tf-muted); }

/* Footer */
.tf-footer { background: #01589e; color: rgba(255,255,255,.86); }
.tf-footer__main { display: grid; grid-template-columns: 1.35fr repeat(3,1fr) 1.2fr; gap: 34px; padding: 66px 0 48px; }
.tf-footer__brand img { width: auto; max-width: 180px; height: 54px; object-fit: contain; filter: brightness(0) invert(1); }
.tf-footer__brand p { max-width: 280px; margin: 18px 0; font-size: 13px; }
.tf-footer h3 { margin-bottom: 17px; color: #fff; font-size: 16px; }
.tf-footer__links { display: grid; gap: 8px; font-size: 13px; }
.tf-footer a:hover { color: #83e9f3; }
.tf-footer__qr { display: flex; gap: 12px; align-items: center; }
.tf-footer__qr img { width: 88px; height: 88px; padding: 5px; border-radius: 6px; background: #fff; object-fit: cover; }
.tf-footer__qr span { font-size: 12px; }
.tf-footer__bottom { padding: 20px 0; border-top: 1px solid rgba(255,255,255,.1); font-size: 12px; }
.tf-footer__bottom-inner { display: flex; justify-content: space-between; gap: 20px; }
.tf-mobile-bar { display: none; }
.tf-backtop { position: fixed; z-index: 90; right: 24px; bottom: 24px; display: grid; width: 44px; height: 44px; place-items: center; border: 0; border-radius: 50%; background: var(--tf-blue); color: #fff; box-shadow: var(--tf-shadow); opacity: 0; pointer-events: none; cursor: pointer; transition: .2s; }
.tf-backtop.is-visible { opacity: 1; pointer-events: auto; }

@media (max-width: 1080px) {
  .tf-brand__line, .tf-brand__text, .tf-header__actions .tf-btn { display: none; }
  .tf-nav__link { padding-inline: 10px; font-size: 14px; }
  .tf-product-grid { grid-template-columns: repeat(3,1fr); }
  .tf-page-layout { grid-template-columns: 220px minmax(0,1fr); gap: 28px; }
  .tf-footer__main { grid-template-columns: 1.3fr repeat(3,1fr); }
  .tf-footer__social { grid-column: 1 / -1; }
}

@media (max-width: 820px) {
  html, body { max-width: 100%; overflow-x: hidden; }
  .tf-container { width: min(calc(100% - 28px), var(--tf-container)); }
  .tf-topbar { display: none; }
  .tf-header__inner { min-height: 68px; }
  .tf-brand img { max-width: 150px; height: 42px; }
  .tf-menu-btn { display: inline-grid; }
  .tf-nav { position: absolute; top: 100%; right: 0; left: 0; display: block; height: calc(100vh - 68px); padding: 18px 20px 90px; overflow-y: auto; background: #fff; transform: translateX(100%); transition: transform .25s; }
  .menu-open .tf-nav { transform: translateX(0); }
  .tf-nav > ul { display: block; }
  .tf-nav__link { height: auto; min-height: 52px; padding: 0; border-bottom: 1px solid var(--tf-line); font-size: 16px; }
  .tf-nav__item.is-active > .tf-nav__link::after { display: none; }
  .tf-subnav { position: static; min-width: 0; padding: 4px 0 10px 14px; border: 0; box-shadow: none; opacity: 1; visibility: visible; transform: none; }
  .tf-subnav a { padding: 6px 0; }
  .tf-hero, .tf-hero__inner { min-height: 590px; }
  .tf-hero__content { padding: 64px 0 82px; }
  .tf-hero__facts { grid-template-columns: 1fr; margin-top: 34px; }
  .tf-hero__fact { padding-top: 12px; }
  .tf-hero__fact:nth-child(n+3) { display: none; }
  .tf-selector { padding-top: 18px; }
  .tf-selector__panel { padding: 20px; }
  .tf-selector__head { display: block; }
  .tf-selector__head p { margin-top: 6px; }
  .tf-selector__grid { grid-template-columns: repeat(2,1fr); }
  .tf-section { padding: 64px 0; }
  .tf-section-head { display: block; }
  .tf-section-head p { margin-top: 12px; }
  .tf-product-grid { grid-template-columns: repeat(2,1fr); gap: 14px; }
  .tf-application-card, .tf-application-card:nth-child(1), .tf-application-card:nth-child(4) { grid-column: span 6; }
  .tf-about-grid { grid-template-columns: 1fr; gap: 42px; }
  .tf-news-grid { grid-template-columns: 1fr; }
  .tf-cta__inner { display: block; }
  .tf-cta__actions { margin-top: 24px; }
  .tf-page-layout { grid-template-columns: 1fr; }
  .tf-sidebar { position: static; }
  .tf-sidebar__contact { display: none; }
  .tf-product-detail { grid-template-columns: 1fr; gap: 34px; }
  .tf-product-gallery__main { min-height: 360px; }
  .tf-enquiry-layout { grid-template-columns: 1fr; }
  .tf-footer__main { grid-template-columns: repeat(2,1fr); }
  .tf-footer__brand { grid-column: 1 / -1; }
  .tf-mobile-bar { position: fixed; z-index: 95; right: 0; bottom: 0; left: 0; display: grid; grid-template-columns: repeat(3,1fr); padding: 8px 10px max(8px, env(safe-area-inset-bottom)); border-top: 1px solid var(--tf-line); background: rgba(255,255,255,.97); box-shadow: 0 -10px 28px rgba(10,38,61,.1); }
  .tf-mobile-bar a { display: grid; min-height: 42px; place-items: center; color: var(--tf-blue); font-size: 12px; font-weight: 750; }
  .tf-mobile-bar a:last-child { border-radius: 6px; background: var(--tf-cyan); color: #fff; }
  .tf-backtop { bottom: 78px; }
}

@media (max-width: 560px) {
  .tf-hero h1 { font-size: 39px; }
  .tf-hero__lead { font-size: 16px; }
  .tf-hero__actions .tf-btn { width: 100%; }
  .tf-selector__grid { grid-template-columns: 1fr; }
  .tf-selector-card { min-height: 104px; }
  .tf-product-grid { grid-template-columns: 1fr; }
  .tf-product-card { display: grid; grid-template-columns: 42% 58%; }
  .tf-product-card__image { aspect-ratio: auto; min-height: 190px; padding: 10px; }
  .tf-product-card__body { padding: 16px; }
  .tf-product-card__body h3, .tf-product-card__body p { min-height: 0; }
  .tf-application-card, .tf-application-card:nth-child(1), .tf-application-card:nth-child(4) { grid-column: 1 / -1; min-height: 260px; }
  .tf-about-points { grid-template-columns: 1fr; }
  .tf-news-card { grid-template-columns: 115px 1fr; }
  .tf-news-card__body { padding: 16px; }
  .tf-news-card p { display: none; }
  .tf-cta__actions { display: grid; }
  .tf-page-hero { padding: 56px 0 50px; }
  .tf-article-card { grid-template-columns: 105px 1fr; min-height: 140px; }
  .tf-article-card__body { padding: 16px; }
  .tf-article-card h2 { font-size: 16px; }
  .tf-article-card p { display: none; }
  .tf-product-gallery__main { min-height: 300px; padding: 16px; }
  .tf-product-gallery__thumbs { grid-template-columns: repeat(5,1fr); }
  .tf-product-highlights { grid-template-columns: 1fr; }
  .tf-product-summary__actions .tf-btn { width: 100%; }
  .tf-content-tabs { gap: 18px; overflow-x: auto; white-space: nowrap; }
  .tf-article__meta { flex-wrap: wrap; gap: 8px 14px; }
  .tf-prevnext { grid-template-columns: 1fr; }
  .tf-enquiry-info, .tf-form-card { padding: 24px 20px; }
  .tf-form-grid { grid-template-columns: 1fr; }
  .tf-field--full { grid-column: auto; }
  .tf-footer__main { grid-template-columns: 1fr; padding: 50px 0 36px; }
  .tf-footer__brand, .tf-footer__social { grid-column: auto; }
  .tf-footer__bottom-inner { display: block; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}