/*
 * HaiPai Precision UI
 * Shared visual layer for the complete site. It deliberately leaves page
 * structure and behaviour intact while replacing the former reference-site
 * styling with HaiPai's own technical, product-led design language.
 */

/* 1. Primitive tokens */
:root {
  --hp-blue-50: #eef6ff;
  --hp-blue-100: #d9ebff;
  --hp-blue-300: #78baf2;
  --hp-blue-500: #0b72d5;
  --hp-blue-600: #045ebf;
  --hp-blue-700: #044b96;
  --hp-navy-700: #123b55;
  --hp-navy-800: #0b2b40;
  --hp-navy-900: #071f30;
  --hp-slate-25: #fbfcfd;
  --hp-slate-50: #f5f8fa;
  --hp-slate-100: #eaf0f3;
  --hp-slate-200: #d7e1e6;
  --hp-slate-500: #657981;
  --hp-slate-700: #30464c;
  --hp-ink: #142d31;
  --hp-white: #ffffff;
  --hp-space-1: 4px;
  --hp-space-2: 8px;
  --hp-space-3: 12px;
  --hp-space-4: 16px;
  --hp-space-5: 24px;
  --hp-space-6: 32px;
  --hp-space-7: 48px;
  --hp-space-8: 64px;
  --hp-radius-sm: 4px;
  --hp-radius-md: 8px;
  --hp-radius-lg: 12px;
  --hp-shadow-1: 0 8px 24px rgba(11, 43, 64, .07);
  --hp-shadow-2: 0 18px 48px rgba(11, 43, 64, .12);
  --hp-duration-fast: 160ms;
  --hp-duration-normal: 240ms;

  /* 2. Semantic tokens */
  --color-primary: var(--hp-blue-600);
  --color-primary-dark: var(--hp-blue-700);
  --color-text: var(--hp-ink);
  --color-muted: var(--hp-slate-500);
  --color-line: var(--hp-slate-200);
  --color-surface: var(--hp-white);
  --color-soft: var(--hp-slate-50);
  --layout-wide: 1320px;
  --layout-gutter: clamp(18px, 4vw, 56px);
  --section-space: clamp(64px, 7vw, 96px);
  --section-space-compact: clamp(44px, 5vw, 68px);
  --radius-card: var(--hp-radius-md);
  --shadow-card: var(--hp-shadow-1);

  /* 3. Component tokens */
  --hp-header-height: 76px;
  --hp-card-bg: var(--hp-white);
  --hp-card-border: var(--hp-slate-200);
  --hp-card-radius: var(--hp-radius-md);
  --hp-button-radius: var(--hp-radius-sm);
  --hp-focus: 0 0 0 3px rgba(4, 94, 191, .25);
}

body.haipai-ui {
  color: var(--hp-ink);
  background: var(--hp-slate-25);
  font-family: Rubik, "Segoe UI", Arial, sans-serif;
  font-size: 16px;
  overflow-x: clip;
}

.haipai-ui main { overflow: clip; }
body.haipai-ui main h1 { font-size: clamp(2rem, 3.2vw, 3.375rem); }
body.haipai-ui main h2 { font-size: clamp(1.55rem, 2.7vw, 3rem); }
.haipai-ui h1,
.haipai-ui h2,
.haipai-ui h3 { color: inherit; font-weight: 600; letter-spacing: -.028em; }
.haipai-ui h1 { font-size: clamp(2rem, 3.2vw, 3.375rem); line-height: 1.06; }
.haipai-ui h2 { font-size: clamp(1.65rem, 2.7vw, 2.6rem); line-height: 1.12; }
.haipai-ui p { color: inherit; }
.haipai-ui .container,
.haipai-ui .ref-container,
.haipai-ui .about-wrap,
.haipai-ui .contact-shell,
.haipai-ui .world-wrap { width: min(var(--layout-wide), calc(100% - (var(--layout-gutter) * 2))); }

.haipai-ui .eyebrow,
.haipai-ui .hero-kicker,
.haipai-ui .about-eyebrow,
.haipai-ui .contact-kicker,
.haipai-ui .editorial-kicker,
.haipai-ui .world-eyebrow,
.haipai-ui .pd-eyebrow {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--hp-blue-600);
  font-family: "Segoe UI", Arial, sans-serif;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}
.haipai-ui :is(.eyebrow,.hero-kicker,.about-eyebrow,.contact-kicker,.editorial-kicker,.world-eyebrow,.pd-eyebrow)::before {
  content: "";
  flex: 0 0 22px;
  height: 2px;
  background: currentColor;
}

/* Light labels need their own high-contrast token. The generic eyebrow rule
   above is intentionally broad, so without this override it can turn labels
   on navy and photographic surfaces into the darker brand blue. */
.haipai-ui :is(.eyebrow--light,.contact-kicker--light),
.haipai-ui :is(.home-hero,.catalog-hero__panel,.category-hero,.custom-band,.products-inquiry,.world-hero,.legal-page--disclaimer .legal-intro) :is(.eyebrow,.hero-kicker,.contact-kicker,.world-eyebrow) {
  color: #9fd2ff;
}

/* Preserve readable text on image-overlay captions after the global type
   normalisation above. */
.haipai-ui .intro-photo > p { color: #fff; }

.haipai-ui :is(a,button,input,textarea,select):focus-visible {
  outline: 2px solid var(--hp-blue-600);
  outline-offset: 3px;
  box-shadow: var(--hp-focus);
}

.haipai-ui .button,
.haipai-ui .contact-submit,
.haipai-ui .contact-cta__primary,
.haipai-ui .about-pill {
  min-height: 48px;
  border-radius: var(--hp-button-radius);
  box-shadow: none;
  font-weight: 650;
  transition: color var(--hp-duration-fast) ease, background var(--hp-duration-fast) ease, border-color var(--hp-duration-fast) ease, transform var(--hp-duration-fast) ease;
}
.haipai-ui :is(.button,.contact-submit,.contact-cta__primary,.about-pill):hover { transform: translateY(-2px); }

/* Header: compact instrument bar rather than a floating capsule. */
.haipai-ui .site-header {
  top: 0;
  width: 100%;
  border: 0;
  border-bottom: 1px solid rgba(20, 45, 49, .12);
  border-radius: 0;
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 8px 30px rgba(12, 42, 62, .06);
  backdrop-filter: blur(14px);
}
.haipai-ui .site-header::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, var(--hp-blue-600) 0 12%, transparent 12% 100%);
  pointer-events: none;
}
.haipai-ui .site-header__inner {
  width: min(var(--layout-wide), calc(100% - 32px));
  min-height: var(--hp-header-height);
  margin: 0 auto;
  padding: 0;
}
.haipai-ui .site-logo {
  min-width: 154px;
  gap: 10px;
  padding-right: 22px;
  border-right: 1px solid var(--hp-slate-200);
}
.haipai-ui .site-header .site-logo img { width: 62px; height: 62px; }
.haipai-ui .site-logo__wordmark { gap: 5px; }
.haipai-ui .site-header .site-logo__wordmark strong { font-size: 18px; font-weight: 700; letter-spacing: -.025em; }
.haipai-ui .site-header .site-logo__wordmark small { color: #526971; font-size: 6px; letter-spacing: .3em; }
.haipai-ui .site-navigation__list { gap: clamp(12px, 1.55vw, 24px); }
.haipai-ui .nav-parent { position: relative; min-height: var(--hp-header-height); }
.haipai-ui .nav-parent-link,
.haipai-ui .nav-parent-label,
.haipai-ui .site-navigation__list > li > a { font-size: 11px; letter-spacing: .035em; }
.haipai-ui .nav-parent::after,
.haipai-ui .site-navigation__list > li > a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 30px;
  bottom: 0;
  height: 3px;
  background: var(--hp-blue-600);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--hp-duration-normal) ease;
}
.haipai-ui .nav-dropdown:is(:hover,.is-open) > .nav-parent::after,
.haipai-ui .site-navigation__list > li > a:hover::after { transform: scaleX(1); }
.haipai-ui .nav-parent .nav-trigger { width: 26px; min-height: 44px; }
.haipai-ui .search-trigger { border-radius: var(--hp-radius-sm); }
.haipai-ui .button--header {
  min-height: 44px;
  padding: 9px 16px;
  border-radius: var(--hp-radius-sm);
  gap: 12px;
  clip-path: polygon(0 0, calc(100% - 11px) 0, 100% 11px, 100% 100%, 0 100%);
}
.haipai-ui .button--header > span { width: auto; height: auto; border-radius: 0; color: #fff; background: transparent; }

.haipai-ui .mega-panel {
  top: calc(100% + 1px);
  border: 1px solid var(--hp-slate-200);
  border-top: 3px solid var(--hp-blue-600);
  border-radius: 0 0 var(--hp-radius-lg) var(--hp-radius-lg);
  box-shadow: var(--hp-shadow-2);
}
.haipai-ui .product-explorer {
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 394px;
  background: var(--hp-slate-50);
}
.haipai-ui .product-explorer__rail {
  padding: 26px 22px 20px;
  background-color: var(--hp-navy-900);
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 24px 24px;
}
.haipai-ui .product-explorer__tabs :is(button,a) { min-height: 60px; border-radius: var(--hp-radius-sm); }
.haipai-ui .product-explorer__tabs :is(button,a):is(:hover,:focus-visible,.is-active) { transform: none; background: rgba(120, 186, 242, .13); box-shadow: inset 2px 0 var(--hp-blue-300); }
.haipai-ui .product-explorer__visual { margin: 20px 0 20px 20px; border-radius: var(--hp-radius-sm); }
.haipai-ui .product-explorer__copy { padding: 30px 36px; }
.haipai-ui .product-explorer__links a { min-height: 40px; border-radius: var(--hp-radius-sm); }
.haipai-ui .product-explorer__stage::after { font-size: clamp(18px, 2vw, 30px); letter-spacing: .16em; }

/* Menu-family colour pairs. Keep each menu distinct without sacrificing contrast. */
@media (min-width: 1181px) {
  .haipai-ui .nav-explorer--about .product-explorer__rail {
    color: var(--hp-ink);
    background-color: #edf5fb;
    background-image: linear-gradient(rgba(4,94,191,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(4,94,191,.055) 1px, transparent 1px);
    border-right: 1px solid #cddde8;
  }
  .haipai-ui .nav-explorer--about .product-explorer__intro span,
  .haipai-ui .nav-explorer--about .product-explorer__tabs :is(button,a) > span { color: var(--hp-blue-600); }
  .haipai-ui .nav-explorer--about .product-explorer__intro strong,
  .haipai-ui .nav-explorer--about .product-explorer__tabs :is(button,a) strong { color: #173b4b; }
  .haipai-ui .nav-explorer--about .product-explorer__tabs :is(button,a) small { color: #607984; }
  .haipai-ui .nav-explorer--about .product-explorer__tabs :is(button,a):is(:hover,:focus-visible,.is-active) {
    color: #173b4b;
    background: #fff;
    box-shadow: inset 2px 0 var(--hp-blue-600), var(--hp-shadow-1);
  }
  .haipai-ui .nav-explorer--about .product-explorer__all { color: #173b4b; border-color: #cddde8; }

  .haipai-ui .nav-explorer--products .product-explorer__rail {
    color: #fff;
    background-color: #073e70;
  }
  .haipai-ui .nav-explorer--products .product-explorer__intro strong,
  .haipai-ui .nav-explorer--products .product-explorer__tabs :is(button,a) strong,
  .haipai-ui .nav-explorer--products .product-explorer__all { color: #fff; }
  .haipai-ui .nav-explorer--products .product-explorer__tabs :is(button,a) small { color: #c2d7e6; }

  .haipai-ui .nav-explorer--partner .product-explorer__rail {
    color: #fff;
    background-color: var(--hp-blue-600);
    background-image: linear-gradient(rgba(255,255,255,.055) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.055) 1px, transparent 1px);
  }
  .haipai-ui .nav-explorer--partner .product-explorer__intro strong,
  .haipai-ui .nav-explorer--partner .product-explorer__tabs :is(button,a) strong,
  .haipai-ui .nav-explorer--partner .product-explorer__all { color: #fff; }
  .haipai-ui .nav-explorer--partner .product-explorer__tabs :is(button,a) small { color: #d7eaff; }

  .haipai-ui .nav-explorer--resources .product-explorer__rail {
    color: var(--hp-ink);
    background-color: #f8fbfd;
    background-image: linear-gradient(rgba(4,94,191,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(4,94,191,.045) 1px, transparent 1px);
    border-right: 1px solid var(--hp-slate-200);
  }
  .haipai-ui .nav-explorer--resources .product-explorer__intro strong,
  .haipai-ui .nav-explorer--resources .product-explorer__tabs :is(button,a) strong { color: #173b4b; }
  .haipai-ui .nav-explorer--resources .product-explorer__tabs :is(button,a) small { color: #647b84; }
  .haipai-ui .nav-explorer--resources .product-explorer__all { color: #173b4b; border-color: var(--hp-slate-200); }

  .haipai-ui .nav-explorer--languages .product-explorer__rail {
    color: #fff;
    background-color: #0a3760;
  }
  .haipai-ui .nav-explorer--languages .product-explorer__intro strong,
  .haipai-ui .nav-explorer--languages .product-explorer__tabs :is(button,a) strong,
  .haipai-ui .nav-explorer--languages .product-explorer__all { color: #fff; }
  .haipai-ui .nav-explorer--languages .product-explorer__tabs :is(button,a) small { color: #c7dce9; }
}

body.haipai-ui:not(:has(.reference-home)) { padding-top: var(--hp-header-height); }

/* Home: shorter product-led opening and technical cards. */
.haipai-ui .home-hero { height: min(72vh, 650px); min-height: 560px; max-height: 650px; }
.haipai-ui .hero-shade { background: linear-gradient(90deg, rgba(6,31,48,.94) 0 34%, rgba(6,31,48,.68) 54%, rgba(6,31,48,.08) 78%); }
.haipai-ui .hero-copy { width: min(610px, 48%); margin-left: max(var(--layout-gutter), calc((100% - var(--layout-wide))/2)); padding-top: clamp(148px, 14vh, 190px); }
.haipai-ui .hero-copy h1,
.haipai-ui .hero-copy h2 { max-width: 660px; font-size: clamp(2.25rem, 3.6vw, 3.375rem); letter-spacing: -.04em; }
.haipai-ui .hero-copy h2 { font-size: clamp(2.1rem, 3.2vw, 3rem); }
.haipai-ui .hero-copy p:not(.hero-kicker) { max-width: 540px; font-size: 1rem; }
.haipai-ui .hero-controls { right: max(var(--layout-gutter), calc((100% - var(--layout-wide))/2)); bottom: 28px; }
.haipai-ui .hero-controls button { width: 44px; height: 44px; border-radius: var(--hp-radius-sm); }
.haipai-ui .service-section { gap: 1px; padding-top: var(--hp-space-7); }
.haipai-ui .service-card {
  position: relative;
  min-height: 340px;
  padding: 34px 28px;
  border-radius: 0;
  background: var(--hp-navy-800);
}
.haipai-ui .service-card::before { content: "0" counter(list-item); display: block; margin-bottom: 28px; color: #8bc7fb; font-size: .68rem; font-weight: 700; letter-spacing: .14em; }
.haipai-ui .service-card:nth-child(2) { color: var(--hp-ink); background: var(--hp-blue-100); }
.haipai-ui .service-card:nth-child(3) { color: var(--hp-ink); background: #dce9f1; }
.haipai-ui .service-card p { min-height: 0; font-size: .9rem; }
.haipai-ui .service-card a { font-size: .82rem; text-decoration: none; }
.haipai-ui .center-heading h2,
.haipai-ui .center-title h2 { text-transform: none; }
.haipai-ui .product-tabs { border-bottom: 1px solid var(--hp-slate-200); gap: 0; }
.haipai-ui .product-tabs button {
  min-height: 50px;
  border: 0;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  background: transparent;
}
.haipai-ui .product-tabs button[aria-selected="true"] { color: var(--hp-blue-600); border-bottom-color: var(--hp-blue-600); background: var(--hp-blue-50); box-shadow: none; }
.haipai-ui .product-card,
.haipai-ui .archive-card,
.haipai-ui .pd-product-card,
.haipai-ui .blog-card,
.haipai-ui .support-card,
.haipai-ui .category-tile {
  border: 1px solid var(--hp-card-border);
  border-radius: var(--hp-card-radius);
  box-shadow: none;
  background: var(--hp-card-bg);
  transition: border-color var(--hp-duration-fast) ease, box-shadow var(--hp-duration-fast) ease, transform var(--hp-duration-fast) ease;
}
.haipai-ui :is(.product-card,.archive-card,.pd-product-card,.blog-card,.support-card,.category-tile):hover { border-color: var(--hp-blue-300); box-shadow: var(--hp-shadow-1); transform: translateY(-3px); }
.haipai-ui .product-card h3 { min-height: 92px; background: var(--hp-slate-50); }
.haipai-ui .about-images > div,
.haipai-ui .mosaic-card,
.haipai-ui .partnership-banner,
.haipai-ui .resource-banners > *,
.haipai-ui .contact-form-card { border-radius: var(--hp-radius-md); }
.haipai-ui .range-numbers { min-height: 180px; margin-top: 70px; background: linear-gradient(90deg, var(--hp-blue-50), transparent); border-block: 1px solid var(--hp-slate-200); }
.haipai-ui .range-numbers strong { font-size: clamp(2.7rem, 5vw, 5rem); }

/* Directory and category pages. */
.haipai-ui .catalog-hero { padding: 44px 0 54px; }
.haipai-ui .catalog-hero__panel {
  min-height: 360px;
  border-radius: var(--hp-radius-lg);
  background-color: var(--hp-blue-700);
  background-image: linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.045) 1px, transparent 1px);
  background-size: 32px 32px;
}
.haipai-ui .catalog-hero__copy h1 { font-size: clamp(2rem, 3.6vw, 3.375rem); }
.haipai-ui .catalog-hero__quick { border-radius: var(--hp-radius-sm); }
.haipai-ui .catalog-hero__visual { border-radius: var(--hp-radius-md); clip-path: none; }
.haipai-ui .category-hero { min-height: 410px; }
.haipai-ui .category-hero__content { width: min(var(--layout-wide), calc(100% - (var(--layout-gutter) * 2))); }
.haipai-ui .category-sidebar__panel { border: 1px solid var(--hp-slate-200); border-radius: var(--hp-radius-md); box-shadow: none; }
.haipai-ui .category-sidebar button,
.haipai-ui .category-sidebar a { min-height: 44px; border-radius: var(--hp-radius-sm); }
.haipai-ui .category-sidebar h2 {
  margin: 0 0 14px;
  font-size: 1.08rem;
  line-height: 1.22;
  letter-spacing: -.02em;
}
.haipai-ui .archive-card { overflow: hidden; text-align: left; }
.haipai-ui .archive-card__image { background: var(--hp-slate-50); }
.haipai-ui .archive-card__image,
.haipai-ui .pd-gallery__stage,
.haipai-ui .product-gallery__stage,
.haipai-ui .pd-product-card,
.haipai-ui .series-products .product-card { position: relative; }
.haipai-ui .archive-card__image::before,
.haipai-ui .pd-gallery__stage::before,
.haipai-ui .product-gallery__stage::before,
.haipai-ui .pd-product-card::before,
.haipai-ui .series-products .product-card::before {
  content: "";
  position: absolute;
  z-index: 3;
  top: 12px;
  left: 12px;
  width: 66px;
  height: 50px;
  background: transparent url('/images/haipai-logo.png') center/contain no-repeat;
  pointer-events: none;
}
.haipai-ui .pd-gallery__stage::before,
.haipai-ui .product-gallery__stage::before { width: 78px; height: 58px; top: 18px; left: 18px; }
body.haipai-ui .category-product-grid .archive-card > span:not(.archive-card__image) {
  margin: 12px 14px 0;
  font-size: .64rem;
  line-height: 1.25;
}
body.haipai-ui .category-product-grid .archive-card h2 {
  min-height: 3.05em;
  margin: 5px 14px 15px;
  font-size: clamp(.88rem, 1.05vw, 1.02rem);
  line-height: 1.32;
  letter-spacing: -.018em;
}
body.haipai-ui .category-disclaimer h2 { font-size: 1.1rem; line-height: 1.3; }

/* Company, partnership and contact pages. */
.haipai-ui .about-cover,
.haipai-ui .partner-hero,
.haipai-ui .contact-hero { min-height: min(650px, 68vh); border-radius: 0; }
.haipai-ui .about-cover-content,
.haipai-ui .partner-hero__content,
.haipai-ui .contact-hero__content { width: min(var(--layout-wide), calc(100% - (var(--layout-gutter) * 2))); margin-inline: auto; }
.haipai-ui .about-cover-content h1,
.haipai-ui .partner-hero h1,
.haipai-ui .contact-hero h1 { font-size: clamp(2.25rem, 3.6vw, 3.375rem); }
.haipai-ui .intro-photo,
.haipai-ui .intro-fact,
.haipai-ui .intro-video,
.haipai-ui .operations-images > *,
.haipai-ui .philosophy-grid > article,
.haipai-ui .credentials-box,
.haipai-ui .solution-card,
.haipai-ui .support-card,
.haipai-ui .contact-info-card,
.haipai-ui .contact-form-card,
.haipai-ui .contact-address__grid { border-radius: var(--hp-radius-md); }
.haipai-ui .partner-tabs { gap: 0; border-bottom: 1px solid var(--hp-slate-200); }
.haipai-ui .partner-tab { border-radius: 0; border-bottom: 3px solid transparent; }
.haipai-ui .partner-tab.is-active { border-bottom-color: var(--hp-blue-600); }

/* Product-directory components need tighter, explicit dimensions than the
   global heading/image defaults. These rules prevent category titles from
   being cropped and square source images from expanding into tall columns. */
.haipai-ui .series-intro h2 {
  font-size: clamp(1.15rem, 1.55vw, 1.4rem);
  line-height: 1.24;
  overflow-wrap: anywhere;
}
.haipai-ui .directory-map__grid img {
  display: block;
  width: 100%;
  height: clamp(150px, 14vw, 190px);
  aspect-ratio: auto;
  object-fit: contain;
}
.haipai-ui .directory-map__grid article {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-height: 0;
}
.haipai-ui .directory-map__grid p { min-height: 0; }


/* Keep the partnership overview compact and guarantee that the selected
   panel remains in normal document flow at every viewport size. */
body.haipai-ui .partner-page .partner-hero {
  height: 310px;
  min-height: 310px;
}
body.haipai-ui .partner-page .partner-panel:not([hidden]) { display: block; }
body.haipai-ui .partner-page .partner-support { padding-bottom: 72px; }

/* Editorial, world guide, legal and sitemap families. */
.haipai-ui .editorial-hero,
.haipai-ui .world-hero,
.haipai-ui .sitemap-hero { min-height: 360px; border-radius: 0; }
.haipai-ui .editorial-hero__inner,
.haipai-ui .world-hero__content,
.haipai-ui .sitemap-hero__grid { width: min(var(--layout-wide), calc(100% - (var(--layout-gutter) * 2))); }
.haipai-ui .editorial-hero h1,
.haipai-ui .world-hero h1,
.haipai-ui .sitemap-hero h1 { font-size: clamp(2.1rem, 3.5vw, 3.375rem); }
.haipai-ui .editorial-sidebar,
.haipai-ui .plug-card,
.haipai-ui .country-reference,
.haipai-ui .world-advisory,
.haipai-ui .legal-toc,
.haipai-ui .legal-content,
.haipai-ui .sitemap-group { border-radius: var(--hp-radius-md); box-shadow: none; }
.haipai-ui .editorial-sidebar h2 { font-size: 1.55rem; line-height: 1.25; }

/* Product detail pages: specification-sheet rhythm and restrained surfaces. */
.haipai-ui .product-detail-page { --pd-blue: var(--hp-blue-600); --pd-navy: var(--hp-navy-800); --pd-ink: var(--hp-ink); --pd-muted: var(--hp-slate-500); }
.haipai-ui .pd-hero { padding-top: 44px; padding-bottom: 64px; }
.haipai-ui .pd-hero h1 { max-width: 820px; font-size: clamp(2rem, 3.5vw, 3.375rem); }
.haipai-ui .pd-gallery__stage,
.haipai-ui .pd-gallery__thumbs button,
.haipai-ui .pd-facts div,
.haipai-ui .pd-visual,
.haipai-ui .pd-specs,
.haipai-ui .pd-info-card,
.haipai-ui .pd-dark-card,
.haipai-ui .track-component-card { border-radius: var(--hp-radius-md); }
.haipai-ui .pd-gallery__stage { border: 1px solid var(--hp-slate-200); box-shadow: none; }
.haipai-ui .pd-facts div { min-height: 82px; background: var(--hp-white); box-shadow: none; }
.haipai-ui .pd-section { padding: 72px 0; }
.haipai-ui .pd-section h2 { font-size: clamp(1.7rem, 2.7vw, 2.45rem); }
.haipai-ui .pd-info-card { min-height: 138px; }
.haipai-ui .pd-process li { min-height: 160px; }
.haipai-ui #oem-odm .pd-split { border-radius: var(--hp-radius-md); }

/* Footer: clear technical columns, smaller controls and less visual mimicry. */
.haipai-ui .site-footer {
  position: relative;
  padding: 0 max(20px, calc((100% - var(--layout-wide)) / 2)) 28px;
  color: #cad6dc;
  background: var(--hp-navy-900);
}
.haipai-ui .site-footer::before { content: ""; display: block; height: 4px; background: linear-gradient(90deg, var(--hp-blue-600) 0 22%, var(--hp-blue-300) 22% 30%, rgba(255,255,255,.12) 30% 100%); }
.haipai-ui .reference-footer-grid { grid-template-columns: minmax(0,1.45fr) minmax(220px,.72fr) minmax(260px,.9fr); gap: clamp(36px, 5vw, 72px); padding: 52px 0 48px; border-top: 0; }
.haipai-ui .footer-links { text-align: left; }
.haipai-ui .footer-links h2 { position: relative; padding-bottom: 14px; font-size: 1rem; }
.haipai-ui .footer-links h2::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--hp-blue-300); }
.haipai-ui .footer-links > a { margin: 10px 0; font-size: .8rem; }
.haipai-ui .footer-brand { padding-left: 0; }
.haipai-ui .footer-social a,
.haipai-ui .footer-social button { width: 44px; height: 44px; border-radius: var(--hp-radius-sm); background: rgba(255,255,255,.07); border-color: rgba(255,255,255,.14); }
.haipai-ui .footer-social :is(a,button):hover { background: var(--hp-blue-600); transform: translateY(-2px); }
.haipai-ui .footer-contact-icon { border-radius: var(--hp-radius-sm); }
.haipai-ui .site-footer__bottom { border-color: rgba(255,255,255,.16); }
.haipai-ui .contact-rail { gap: 4px; }
.haipai-ui .contact-rail a,
.haipai-ui .contact-rail button { width: 48px; height: 48px; border-radius: var(--hp-radius-sm) 0 0 var(--hp-radius-sm); background: var(--hp-navy-800); }
.haipai-ui .back-to-top { border-radius: var(--hp-radius-sm); background: var(--hp-blue-600); }
.haipai-ui .language-widget > button { border-radius: var(--hp-radius-sm) var(--hp-radius-sm) 0 0; background: var(--hp-navy-700); }

/* Dialogs and forms keep their existing behaviours. */
.haipai-ui .quote-dialog,
.haipai-ui .search-dialog,
.haipai-ui .resource-dialog,
.haipai-ui .contact-lightbox,
.haipai-ui .support-lightbox,
.haipai-ui .about-lightbox,
.haipai-ui .about-film-dialog { border-radius: var(--hp-radius-lg); }
.haipai-ui :is(.quote-form,.hero-form,.contact-form,.pd-form,.products-inquiry__form) :is(input,textarea,select) { min-height: 48px; border-radius: var(--hp-radius-sm); background: #fff; }
.haipai-ui :is(.quote-form,.hero-form,.contact-form,.pd-form,.products-inquiry__form) textarea { min-height: 126px; }
.haipai-ui input[name="website"] { display: none !important; position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; min-height: 0 !important; padding: 0 !important; border: 0 !important; opacity: 0 !important; pointer-events: none !important; }

@media (max-width: 1180px) {
  :root { --hp-header-height: 64px; }
  .haipai-ui .site-header { top: 0; width: 100%; }
  .haipai-ui .site-header__inner { width: calc(100% - 28px); min-height: var(--hp-header-height); }
  .haipai-ui .site-logo { min-width: 0; padding-right: 14px; }
  .haipai-ui .site-navigation { top: var(--hp-header-height); right: -14px; width: min(430px, calc(100vw - 28px)); border-radius: 0 0 var(--hp-radius-md) var(--hp-radius-md); background: var(--hp-navy-900); }
  .haipai-ui .nav-parent { min-height: 0; }
  .haipai-ui .nav-parent::after { display: none; }
  .haipai-ui .product-explorer { grid-template-columns: 1fr; min-height: 0; }
  .haipai-ui .product-explorer__rail { background: transparent; background-image: none; }
  .haipai-ui .reference-footer-grid { grid-template-columns: 1.25fr .75fr 1fr; gap: 30px; }
}

@media (max-width: 760px) {
  :root { --layout-gutter: 16px; }
  .haipai-ui h1 { font-size: clamp(1.85rem, 8.5vw, 2.15rem); }
  .haipai-ui h2 { font-size: clamp(1.45rem, 7vw, 2rem); }
  body.haipai-ui main h1 { font-size: clamp(1.85rem, 8.5vw, 2.15rem); }
  body.haipai-ui main h2 { font-size: clamp(1.4rem, 6.8vw, 2rem); }
  .haipai-ui .about-cover-content h1,
  .haipai-ui .partner-hero h1,
  .haipai-ui .contact-hero h1,
  .haipai-ui .catalog-hero__copy h1,
  .haipai-ui .editorial-hero h1,
  .haipai-ui .world-hero h1,
  .haipai-ui .sitemap-hero h1,
  .haipai-ui .pd-hero h1 { font-size: clamp(1.85rem, 8.5vw, 2.15rem); }
  .haipai-ui .site-header .site-logo img { width: 54px; height: 54px; }
  .haipai-ui .site-header .site-logo__wordmark strong { font-size: 16px; }
  .haipai-ui .home-hero { height: 540px; min-height: 540px; }
  .haipai-ui .hero-copy { width: calc(100% - 32px); margin-left: 16px; padding-top: 130px; }
  .haipai-ui .hero-copy h1,
  .haipai-ui .hero-copy h2 { font-size: clamp(1.95rem, 8.7vw, 2.15rem); }
  .haipai-ui .hero-copy h2 { font-size: clamp(1.8rem, 7.8vw, 2rem); }
  .haipai-ui .hero-controls { right: 16px; bottom: 18px; }
  .haipai-ui .hero-progress { width: 70px; }
  .haipai-ui .service-section { grid-template-columns: 1fr; gap: 1px; }
  .haipai-ui .service-card { min-height: 0; }
  .haipai-ui .product-tabs { justify-content: flex-start; overflow-x: auto; flex-wrap: nowrap; }
  .haipai-ui .product-tabs button { flex: 0 0 auto; }
  .haipai-ui .about-cover,
  .haipai-ui .partner-hero,
  .haipai-ui .contact-hero { min-height: 520px; }
  .haipai-ui .category-hero,
  .haipai-ui .editorial-hero,
  .haipai-ui .world-hero,
  .haipai-ui .sitemap-hero { min-height: 320px; }
  .haipai-ui .pd-section { padding: 56px 0; }
  .haipai-ui .reference-footer-grid { grid-template-columns: 1fr; padding: 42px 0 38px; }
  .haipai-ui .footer-contact-row { grid-template-columns: 1fr; }
  .haipai-ui .contact-rail {
    left: 50%;
    right: auto;
    top: auto;
    bottom: 68px;
    display: flex;
    gap: 2px;
    padding: 4px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: var(--hp-radius-md);
    background: rgba(7,31,48,.94);
    box-shadow: 0 12px 30px rgba(7,31,48,.2);
    transform: translateX(-50%);
    backdrop-filter: blur(10px);
  }
  .haipai-ui .contact-rail a,
  .haipai-ui .contact-rail button { width: 42px; height: 42px; border-radius: var(--hp-radius-sm); box-shadow: none; }
  .haipai-ui .contact-rail a:hover,
  .haipai-ui .contact-rail a:focus-visible { transform: translateY(-2px); }
  .haipai-ui .language-widget { left: 16px; right: auto; bottom: 14px; }
  .haipai-ui .language-widget > button { min-width: 108px; border-radius: var(--hp-radius-sm); }
  .haipai-ui .back-to-top { right: 16px; bottom: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  .haipai-ui *,
  .haipai-ui *::before,
  .haipai-ui *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

/* Supplied full-resolution track originals: preserve the complete rail geometry. */
.haipai-ui .archive-card__image:has(img[src*="track-hq-20261104"])::before{display:none}
.haipai-ui .archive-card__image img[src*="track-hq-20261104"]{object-fit:contain;object-position:center;padding:22px;background:#f4f6f7;box-sizing:border-box}
.haipai-ui .pd-gallery__stage:has(img[src*="track-hq-20261104"]){aspect-ratio:3/2;background:#f4f6f7}
.haipai-ui .pd-gallery__stage:has(img[src*="track-hq-20261104"])::before,.haipai-ui .pd-gallery__stage:has(img[src*="track-hq-20261104"])::after{display:none}
.haipai-ui .pd-gallery__stage img[src*="track-hq-20261104"]{inset:var(--pd-gallery-inset);width:calc(100% - var(--pd-gallery-inset)*2);height:calc(100% - var(--pd-gallery-inset)*2);object-fit:contain;object-position:center}
.haipai-ui .pd-gallery__thumbs img[src*="track-hq-20261104"]{object-fit:contain}
.haipai-ui .pd-visual img[src*="track-hq-20261104"]{object-fit:contain;object-position:center;padding:24px;background:#f4f6f7;box-sizing:border-box}
.haipai-ui .track-component-card:has(img[src*="track-hq-20261104"]){display:flex;flex-direction:column;justify-content:flex-end;min-height:260px;background:#f4f6f7;color:#153640}
.haipai-ui .track-component-card:has(img[src*="track-hq-20261104"])::after{display:none}
.haipai-ui .track-component-card img[src*="track-hq-20261104"]{object-fit:contain;object-position:center 35%;padding:24px 20px 90px;box-sizing:border-box;opacity:1}

@media(min-width:901px){.haipai-ui.tracks-hidden .category-showcase__grid,.haipai-ui.tracks-hidden .category-columns{grid-template-columns:repeat(3,minmax(0,1fr))}}