/* OxyLumina corporate site - shared stylesheet (EN + CN)
   Layout system adapted from VSL Solutions; colours from the OxyLumina logo.
   System fonts only: Google Fonts is unreliable in mainland China. */

:root {
  /* Brand colours (sampled from the logo) */
  --color-accent: #283c9d;        /* logo blue (top of the logo gradient) */
  --color-accent-deep: #151f5d;   /* logo deep blue (bottom of the gradient) */
  --color-gold: #56649b;          /* muted slate blue for small labels */
  --color-gold-bright: #c3cbe3;   /* logo silver, decorative only */

  --color-text: #1f2430;
  --color-muted: #525a68;
  --color-page: #f7f8fa;
  --color-white: #ffffff;
  --color-line: #dbe0e8;
  --color-card: #eceff8;
  --color-cta: #1f2f7d;
  --color-footer: #141b45;

  --content-max: 1100px;
  --header-height: 62px;
  --button-radius: 999px;

  --font-ui: "Source Sans 3", "Segoe UI", "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", "Noto Serif SC", "SimSun", serif;
}

/* Chinese site: use one sans-serif family across body copy, headings and controls.
   HONOR Sans CN is requested first; system CJK fonts remain as safe fallbacks. */
:lang(zh) {
  --font-ui: "HONOR Sans CN", "HONOR Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-serif: "HONOR Sans CN", "HONOR Sans", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--color-page); color: var(--color-text); font-family: var(--font-ui); overflow-x: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
p { color: var(--color-muted); font-size: 18px; line-height: 28px; margin: 0; }
h1, h2, h3 { color: var(--color-text); font-family: var(--font-serif); font-weight: 400; margin: 0; }
[id] { scroll-margin-top: calc(var(--header-height) + 24px); }

/* ---------- Header ---------- */
.site-header { align-items: center; background: var(--color-white); border-bottom: 1px solid var(--color-line); display: flex; height: var(--header-height); justify-content: space-between; padding: 8px 22px; position: sticky; top: 0; z-index: 50; }
.brand img { height: 42px; width: auto; }
/* Three-line menu button (all screen sizes). The bars turn into an X when the menu is open.
   Bars sit 8px apart so they line up with whole screen pixels at 100%, 125%, 150% and 175% Windows scaling and look identical. */
.menu-toggle { align-items: center; background: transparent; border: 0; border-radius: 8px; color: var(--color-accent-deep); cursor: pointer; display: inline-flex; flex-shrink: 0; height: 44px; justify-content: center; margin-right: -10px; padding: 0; position: relative; width: 44px; z-index: 2; -webkit-tap-highlight-color: transparent; }
.menu-toggle:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
.menu-bars { display: block; height: 18px; position: relative; width: 22px; }
.menu-bars span { background: currentColor; border-radius: 2px; display: block; height: 2px; left: 0; position: absolute; transition: transform .25s ease, opacity .2s ease, top .25s ease; width: 100%; }
.menu-bars span:nth-child(1) { top: 0; }
.menu-bars span:nth-child(2) { top: 8px; }
.menu-bars span:nth-child(3) { top: 16px; }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(1) { top: 8px; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(2) { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-bars span:nth-child(3) { top: 8px; transform: rotate(-45deg); }

/* Menu panel: fills the screen on phones, slides in from the right on wider screens. */
.main-nav { background: var(--color-white); bottom: 0; display: flex; flex-direction: column; left: 0; opacity: 0; overflow-y: auto; overscroll-behavior: contain; padding: 12px 24px calc(32px + env(safe-area-inset-bottom)); position: fixed; right: 0; top: var(--header-height); transform: translateY(-8px); transition: opacity .25s ease, transform .25s ease, visibility 0s linear .25s; visibility: hidden; z-index: 1; }
.main-nav.is-open { opacity: 1; transform: none; transition: opacity .25s ease, transform .25s ease, visibility 0s; visibility: visible; }
.main-nav a { border-bottom: 1px solid var(--color-line); color: var(--color-text); display: block; font-family: var(--font-serif); font-size: 20px; line-height: 1.3; padding: 18px 4px; text-transform: uppercase; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--color-accent); }
.main-nav .nav-lang { border-bottom: 0; color: var(--color-muted); font-family: var(--font-ui); font-size: 16px; letter-spacing: .04em; margin-top: 8px; }
.main-nav .nav-cta { align-items: center; align-self: flex-start; background: var(--color-accent); border: 0; border-radius: var(--button-radius); color: var(--color-white); display: inline-flex; font-size: 15px; height: 46px; justify-content: center; margin-top: 16px; padding: 0 30px; white-space: nowrap; }
.main-nav .nav-cta:hover { color: var(--color-white); background: var(--color-accent-deep); }
.nav-backdrop { background: rgba(10,16,48,.45); inset: 0; opacity: 0; pointer-events: none; position: fixed; transition: opacity .25s ease; z-index: 49; }
.nav-backdrop.is-open { opacity: 1; pointer-events: auto; }
html.nav-locked, html.nav-locked body { overflow: hidden; }
@media (min-width: 768px) {
  .main-nav { border-left: 1px solid var(--color-line); box-shadow: -20px 0 45px rgba(10,16,48,.12); left: auto; opacity: 1; padding: 20px 40px 40px; transform: translateX(100%); transition: transform .3s ease, visibility 0s linear .3s; width: clamp(360px, 33vw, 460px); }
  .main-nav.is-open { transform: none; transition: transform .3s ease, visibility 0s; }
}
@media (prefers-reduced-motion: reduce) {
  .main-nav, .main-nav.is-open, .nav-backdrop, .menu-bars span { transition: none; }
}

/* ---------- Buttons / eyebrow ---------- */
.eyebrow { color: var(--color-accent); font-size: 18px; letter-spacing: 0; line-height: 1.2; margin-bottom: 20px; text-transform: uppercase; }
.button-row { display: flex; flex-wrap: wrap; gap: 16px; }
.button { align-items: center; border-radius: var(--button-radius); display: inline-flex; font-family: var(--font-serif); font-size: 15px; height: 38px; justify-content: center; padding: 0 24px; white-space: nowrap; }
.button-primary { background: var(--color-accent); color: var(--color-white); }
.button-primary:hover { background: var(--color-accent-deep); }
.button-secondary { background: rgba(255,255,255,.55); border: 1px solid rgba(31,36,48,.26); color: var(--color-text); }

/* ---------- Approach card ---------- */
.pillar-icon svg { display: block; height: 28px; width: 28px; }

/* ---------- CTA + footer ---------- */
.cta-block { background: var(--color-cta); color: var(--color-white); padding: 40px 24px 44px; text-align: center; }
.cta-block .eyebrow { color: var(--color-gold-bright); font-size: 16px; letter-spacing: .1em; margin-inline: auto; }
.cta-block .eyebrow::after { background: currentColor; content: ""; display: block; height: 2px; margin: 10px auto 0; width: 34px; }
.cta-block h2 { color: var(--color-white); font-size: 30px; line-height: 36px; }
.cta-block p:not(.eyebrow) { color: #dbe6fa; font-size: 17px; line-height: 27px; margin: 22px auto 28px; max-width: 760px; }
.cta-block .button { background: var(--color-white); color: var(--color-cta); min-width: 220px; }
.cta-block .button:hover { background: var(--color-gold-bright); color: var(--color-accent-deep); }
.site-footer { background: var(--color-footer); color: var(--color-white); display: grid; gap: 16px; grid-template-columns: 1fr; padding: 24px 22px calc(24px + env(safe-area-inset-bottom)); text-align: center; }
.footer-brand strong { display: block; font-size: 15px; font-weight: 600; letter-spacing: 5px; }
.footer-brand span, .footer-contact, .footer-legal a { color: #cfd6e4; display: block; font-size: 14px; line-height: 1.5; }
.footer-brand span { font-size: 13px; margin-top: 2px; }
.footer-contact span { color: #cfd6e4; display: block; font-size: 14px; line-height: 1.5; margin-top: 4px; }
.footer-contact a { display: block; }
.footer-contact a + a { margin-top: 4px; }
.footer-contact a:hover, .footer-legal a:hover { color: var(--color-white); }
.footer-legal a:not(:last-child)::after { color: #8b93ab; content: "|"; margin-left: 18px; pointer-events: none; }
.footer-legal a:hover::after { color: #8b93ab; }
.footer-legal { display: flex; flex-wrap: wrap; gap: 8px 18px; justify-content: center; }
/* Phones: the menu button already links every page, so the footer keeps only Privacy */
@media (max-width: 767px) {
  .footer-legal a:not([href$="privacy.html"]) { display: none; }
  .site-footer { gap: 2px; padding: 20px 16px calc(20px + env(safe-area-inset-bottom)); }
  .footer-contact { display: flex; flex-wrap: wrap; gap: 2px 0; justify-content: center; }
  .footer-contact a + a { margin-top: 0; }
  .footer-contact a + a::before { color: #8b93ab; content: "\00B7"; padding: 0 6px; }
}

/* ---------- Tablet / desktop ---------- */
@media (min-width: 768px) {
  .site-header { padding-inline: 32px; }
}
@media (min-width: 1024px) {
  .site-header { padding-inline: max(24px, calc((100vw - (var(--content-max) - 48px)) / 2)); }
  .site-footer { align-items: center; grid-template-columns: minmax(240px, 1fr) auto minmax(240px, 1fr); justify-content: center; padding-block: 20px; padding-inline: 48px; text-align: left; }
  .footer-contact { text-align: center; }
  .footer-legal { justify-content: flex-end; }
}

/* ---------- Chinese page tuning ---------- */
:lang(zh) p { line-height: 1.75; }
:lang(zh) h1, :lang(zh) h2, :lang(zh) h3 { line-height: 1.35; letter-spacing: .02em; }
:lang(zh) .eyebrow, :lang(zh) .main-nav a { letter-spacing: .06em; text-transform: none; }

/* =====================================================================
   HOME v2 - immersive dark hero, numbers band, closed-loop diagram,
   featured technologies, research row.  (Only used by the homepages.)
   No external libraries.  Motion is off for prefers-reduced-motion.
   ===================================================================== */
.wrap { margin-inline: auto; max-width: 1100px; padding-inline: 24px; }
.section { padding: 56px 0; }
.section-light { background: var(--color-white); }
.section-tint { background: #f1f3fa; }
.section-dark { background: #0a1030; color: var(--color-white); }
.section h2 { font-size: clamp(28px, 3.6vw, 40px); line-height: 1.2; }
.section-dark h2 { color: var(--color-white); }
.lead { font-size: 19px; line-height: 30px; margin-top: 18px; }
.section-dark .lead { color: #c3cbe3; }
.kicker { color: var(--color-accent); font-family: var(--font-serif); font-size: 16px; letter-spacing: .14em; margin-bottom: 18px; text-transform: uppercase; }
.kicker::before { background: var(--color-accent); border-radius: 999px; content: ""; display: block; height: 5px; margin-bottom: 14px; width: 28px; }
.section-dark .kicker { color: var(--color-gold-bright); }
.section-dark .kicker::before { background: var(--color-gold-bright); }

/* --- transparent header over the hero, white once scrolled --- */
.home-page .site-header { background: transparent; border-bottom-color: transparent; left: 0; position: fixed; right: 0; top: 0; transition: background .3s ease, border-color .3s ease, box-shadow .3s ease; }
.home-page .site-header .logo-dark { display: none; }
.home-page .site-header.is-scrolled { background: rgba(255,255,255,.97); border-bottom-color: var(--color-line); box-shadow: 0 6px 24px rgba(20,27,69,.08); }
.home-page .site-header.is-scrolled .logo-light { display: none; }
.home-page .site-header.is-scrolled .logo-dark { display: block; }
.home-page .site-header:not(.is-scrolled) .menu-toggle { color: var(--color-white); }
/* While the menu is open the header is always white so the X stays visible */
.site-header.menu-open, .home-page .site-header.menu-open { background: var(--color-white); border-bottom-color: var(--color-line); }
.home-page .site-header.menu-open .menu-toggle { color: var(--color-accent-deep); }
.home-page .site-header.menu-open .logo-light { display: none; }
.home-page .site-header.menu-open .logo-dark { display: block; }

/* --- full-height hero --- */
.hero-full { align-items: center; background: #050b1f; display: flex; isolation: isolate; min-height: max(600px, 100vh); min-height: max(600px, 100svh); overflow: hidden; padding: 120px 0 110px; position: relative; }
.hero-bg { animation: heroDrift 28s ease-in-out infinite alternate; background-position: 72% center; background-repeat: no-repeat; background-size: cover; inset: 0; position: absolute; transform-origin: 70% 50%; z-index: -3; }
.hero-full::before { background: linear-gradient(90deg, rgba(5,11,31,.92) 0%, rgba(5,11,31,.62) 40%, rgba(5,11,31,0) 74%); content: ""; inset: 0; position: absolute; z-index: -1; }
.hero-glow { animation: heroGlow 10s ease-in-out infinite alternate; background: radial-gradient(closest-side, rgba(120,160,255,.30), rgba(120,160,255,0) 70%); height: 70vw; max-height: 900px; max-width: 900px; mix-blend-mode: screen; pointer-events: none; position: absolute; right: -12vw; top: 4%; width: 70vw; z-index: -2; }
.hero-full .wrap { width: 100%; }
.hero-full .eyebrow { color: var(--color-gold-bright); font-size: 13px; font-weight: 600; letter-spacing: .12em; margin-bottom: 24px; }
.hero-full h1 { color: var(--color-white); font-size: clamp(40px, 6.2vw, 76px); line-height: 1.06; max-width: 760px; }
.hero-full h1 .silver { background: linear-gradient(90deg, #ffffff 0%, #c3cbe3 55%, #8f9fd8 100%); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; }
.hero-sub { color: #d3daee; font-size: clamp(17px, 1.6vw, 21px); line-height: 1.55; margin-top: 26px; max-width: 540px; }
.hero-full .button-row { margin-top: 36px; }
.hero-full .button-primary { background: var(--color-white); color: var(--color-accent-deep); }
.hero-full .button-primary:hover { background: var(--color-gold-bright); }
.hero-full .button-secondary { background: transparent; border-color: rgba(255,255,255,.55); color: var(--color-white); }
.hero-full .button-secondary:hover { background: rgba(255,255,255,.12); }
.scroll-cue { align-items: center; bottom: 28px; color: #c3cbe3; display: flex; flex-direction: column; font-size: 11px; gap: 10px; left: 50%; letter-spacing: .28em; position: absolute; text-transform: uppercase; transform: translateX(-50%); }
.scroll-cue::after { animation: cueLine 2.2s ease-in-out infinite; background: linear-gradient(#c3cbe3, transparent); content: ""; height: 44px; width: 1px; }
@keyframes heroDrift { from { transform: scale(1.02) translate3d(0,0,0); } to { transform: scale(1.09) translate3d(-1.5%,0,0); } }
@keyframes heroGlow { from { opacity: .5; transform: translate3d(0,0,0); } to { opacity: 1; transform: translate3d(-5%,4%,0); } }
@keyframes cueLine { 0% { opacity: 0; transform: scaleY(.2); transform-origin: top; } 45% { opacity: 1; transform: scaleY(1); transform-origin: top; } 100% { opacity: 0; transform: scaleY(1); transform-origin: bottom; } }

/* --- mission statement --- */
.statement { color: var(--color-text); font-family: var(--font-serif); font-size: clamp(26px, 3.9vw, 44px); line-height: 1.28; }
.statement .hl { color: var(--color-accent); }
.mission-copy { margin-top: 32px; }
.mission-copy p { font-size: 19px; line-height: 30px; }
.mission-copy p + p { margin-top: 14px; }
.arrow-link { color: var(--color-accent); display: inline-block; font-family: var(--font-serif); font-size: 15px; letter-spacing: .06em; margin-top: 24px; text-transform: uppercase; }
.arrow-link:hover { color: var(--color-accent-deep); }

/* --- numbers band --- */
.stats { background: linear-gradient(135deg, #0d1442 0%, #1f2f7d 100%); color: var(--color-white); }
.stat-grid { display: grid; gap: 30px 0; grid-template-columns: 1fr; }
.stat { border-top: 1px solid rgba(195,203,227,.28); padding: 26px 20px 0; }
.stat:first-child { border-top: 0; padding-top: 4px; }
.stat strong { background: linear-gradient(180deg, #ffffff 0%, #b9c3e6 100%); -webkit-background-clip: text; background-clip: text; color: transparent; display: block; font-family: var(--font-serif); font-size: clamp(32px, 4vw, 48px); font-weight: 400; line-height: 1.1; white-space: nowrap; }
.stat > span { color: #c3cbe3; display: block; font-size: 16px; line-height: 22px; margin-top: 8px; }
.stat strong span { color: inherit; display: inline; font-size: inherit; line-height: inherit; margin: 0; }

/* --- brand ladder --- */
.ladder { list-style: none; margin: 28px 0 0; padding: 0; position: relative; }
.rung { padding: 0 0 18px; position: relative; }
.rung:last-child { padding-bottom: 0; }
.rung-card { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 12px; padding: 22px 24px 24px; }
.rung-tag { color: var(--color-gold); font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.rung-card h3 { color: var(--color-accent-deep); font-size: 28px; line-height: 1.15; margin-top: 6px; }
.rung-card p { font-size: 16px; line-height: 25px; margin-top: 10px; }
.rung-card .arrow-link { display: inline-block; margin-top: 14px; }
@media (min-width: 860px) {
  .rung-card { align-items: center; display: grid; gap: 8px 40px; }
  .rung-card h3 { margin-top: 4px; }
  .rung-card p { margin-top: 0; }
  .rung-card .arrow-link { margin-top: 0; white-space: nowrap; }
}

/* --- research row --- */
.partners { border-top: 1px solid var(--color-line); display: flex; flex-wrap: wrap; gap: 14px 44px; margin-top: 40px; padding-top: 30px; }
.partners-label { color: var(--color-gold); flex-basis: 100%; font-size: 14px; letter-spacing: .12em; text-transform: uppercase; }

/* --- scroll reveal: content is visible unless JS is running --- */
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .9s ease, transform .9s ease; transition-delay: var(--d, 0s); }
.js .reveal.in { opacity: 1; transform: none; }

@media (min-width: 768px) {
  .section { padding: 72px 0; }
  .stat-grid { grid-template-columns: repeat(3, 1fr); }
  .stat { border-left: 1px solid rgba(195,203,227,.28); border-top: 0; padding: 4px 20px; }
  .stat:first-child { border-left: 0; }
}
:lang(zh) .statement { line-height: 1.5; }
:lang(zh) .hero-full h1 { line-height: 1.2; }
:lang(zh) .kicker, :lang(zh) .partners-label, :lang(zh) .arrow-link { letter-spacing: .08em; text-transform: none; }
@media (prefers-reduced-motion: reduce) {
  .hero-bg, .hero-glow, .scroll-cue::after { animation: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}
@media print { .js .reveal { opacity: 1; transform: none; } .home-page .site-header { position: static; } }

/* --- research partners strip inside the numbers band --- */
.stats .partners { border-top: 1px solid rgba(195,203,227,.22); margin-top: 44px; padding-top: 28px; }
.stats .partners-label { color: var(--color-gold-bright); }
.stats .partners-line { color: #c3cbe3; flex-basis: 100%; font-size: 17px; line-height: 26px; margin: -4px 0 4px; }
.rung-logo { display: block; height: 64px; margin-bottom: 14px; max-width: 170px; object-fit: contain; object-position: left center; width: auto; }
.rung-card > div:first-child { align-items: center; column-gap: 18px; display: grid; }
.rung-card > div:first-child .rung-logo { grid-row: 1 / span 2; margin-bottom: 0; }
.rung-card > div:first-child .rung-logo ~ .rung-tag { grid-column: 2; align-self: end; }
.rung-card > div:first-child .rung-logo ~ h3 { grid-column: 2; align-self: start; }
@media (min-width: 860px) { .rung-card { grid-template-columns: 300px 1fr auto; } }
.rung-card > div:first-child .rung-logo { height: 64px; max-width: none; object-fit: contain; object-position: center; width: 64px; }
.rung-card > div:first-child .rung-logo.rung-logo--rounded { border-radius: 12px; object-fit: cover; }

/* --- partners: three even columns --- */
.stats .partners { display: grid; gap: 12px 40px; grid-template-columns: 1fr; }
.stats .partners-label, .stats .partners-line { grid-column: 1 / -1; }
@media (min-width: 860px) { .stats .partners { grid-template-columns: repeat(3, 1fr); } }
.stats { padding: 48px 0; }

/* --- small registered mark --- */
.reg { font-family: var(--font-ui); font-size: .4em; line-height: 0; margin-left: 2px; vertical-align: super; }

/* --- numbers centred --- */
.stat { text-align: center; }
.stat-grid { justify-items: stretch; }
.stats .partners { text-align: center; }
.stats .partners-line { margin-inline: auto; }

/* =====================================================================
   INNER PAGES (Brands, Technology, About, Contact)
   ===================================================================== */
.logo-light { display: none; }
.home-page .site-header .logo-light { display: block; }
.page-banner { background: linear-gradient(135deg, #0a1030 0%, #1f2f7d 100%); color: var(--color-white); padding: 64px 0 56px; position: relative; }
.page-banner::after { background: linear-gradient(90deg, var(--color-gold-bright), transparent); bottom: 0; content: ""; height: 3px; left: 0; position: absolute; width: 38%; }
.page-banner .kicker { color: var(--color-gold-bright); }
.page-banner .kicker::before { background: var(--color-gold-bright); }
.page-banner h1 { color: var(--color-white); font-size: clamp(34px, 5vw, 56px); line-height: 1.12; }
.page-banner .lead { color: #d3daee; }

.brand-block { align-items: start; display: grid; gap: 28px 64px; }
.brand-id { align-items: center; display: flex; gap: 20px; }
.brand-id img { border-radius: 4px; flex: none; height: 96px; object-fit: contain; width: 96px; }
.brand-id img.brand-id-logo--rounded { border-radius: 18px; object-fit: cover; }
.brand-id h2 { font-size: clamp(30px, 3.6vw, 40px); }
.brand-body p { font-size: 18px; line-height: 29px; }
.brand-body p + p { margin-top: 16px; }
.brand-body .button-row { margin-top: 28px; }
.brand-body .arrow-link { margin-top: 8px; }
.brand-facts { border-top: 1px solid var(--color-line); display: grid; gap: 0; margin: 28px 0 0; }
.brand-facts div { border-bottom: 1px solid var(--color-line); display: grid; gap: 4px 24px; padding: 14px 0; }
.brand-facts dt { color: var(--color-gold); font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
.brand-facts dd { margin: 0; }
@media (min-width: 860px) {
  .brand-block { grid-template-columns: 340px 1fr; }
  .brand-facts div { grid-template-columns: 130px 1fr; }
}
:lang(zh) .brand-facts dt { letter-spacing: .06em; text-transform: none; }
.brand-facts dd { line-height: 1.45; }

/* --- Technology page --- */
.anchor-nav { background: var(--color-white); border-bottom: 1px solid var(--color-line); }
@media (min-width: 960px) { .anchor-nav { position: sticky; top: var(--header-height); z-index: 40; } }
.anchor-nav .wrap { display: flex; flex-wrap: wrap; gap: 6px 28px; padding-block: 14px; }
.anchor-nav a { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 15px; }
.anchor-nav a:hover { color: var(--color-accent); text-decoration: underline; }
.device { display: grid; gap: 36px 64px; }
.device-fig { margin: 0; }
.device-fig img { aspect-ratio: 4 / 3; border-radius: 12px; object-fit: cover; width: 100%; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; list-style: none; margin: 0; padding: 0; }
.tags li { background: var(--color-white); border: 1px solid rgba(21,31,93,.28); border-radius: 999px; color: var(--color-accent-deep); font-size: 14px; line-height: 1.2; padding: 8px 14px; }
.device-cta { margin-top: 20px; }
@media (min-width: 960px) {
  .device { grid-template-columns: 5fr 6fr; }
  .device .device-fig { align-self: start; position: sticky; top: calc(var(--header-height) + 70px); }
  .device--flip { grid-template-columns: 6fr 5fr; }
  .device--flip .device-fig { order: 2; }
}
#ihht, #robot, #chamber { scroll-margin-top: 110px; }

/* --- long-form product copy (IHHT) --- */
.prose h3 { color: var(--color-accent-deep); font-size: 24px; line-height: 1.25; margin-top: 34px; }
.prose > .device-lead { font-size: 19px; line-height: 30px; margin-top: 18px; }
.prose p { font-size: 17px; line-height: 28px; margin-top: 12px; }
.prose ul { list-style: none; margin: 16px 0 0; padding: 0; }
.prose li { font-size: 17px; line-height: 27px; margin-top: 14px; padding-left: 30px; position: relative; }
.check-list li::before { color: var(--color-accent); content: "\2713"; font-weight: 700; left: 0; position: absolute; top: 0; }
.dot-list li::before { background: var(--color-accent); border-radius: 50%; content: ""; height: 8px; left: 8px; position: absolute; top: 10px; width: 8px; }
.prose .safety { background: var(--color-white); border-left: 3px solid var(--color-accent); border-radius: 0 8px 8px 0; color: #56649b; font-size: 15px; line-height: 24px; margin-top: 14px; padding: 16px 18px; }
.prose .device-cta { margin-top: 28px; }

/* --- expandable full details --- */
.more { margin-top: 26px; }
.more > summary { align-items: center; background: var(--color-white); border: 1px solid var(--color-accent); border-radius: var(--button-radius, 999px); color: var(--color-accent-deep); cursor: pointer; display: inline-flex; font-family: var(--font-serif); font-size: 15px; gap: 10px; list-style: none; padding: 11px 22px; transition: background .2s ease, color .2s ease; }
.more > summary::-webkit-details-marker { display: none; }
.more > summary::after { content: "+"; font-size: 20px; line-height: 1; }
.more[open] > summary::after { content: "\2212"; }
.more > summary:hover { background: var(--color-accent); color: var(--color-white); }
.more[open] > summary .when-closed, .more:not([open]) > summary .when-open { display: none; }
.more[open] > summary { margin-bottom: 4px; }
.more > h3:first-of-type { margin-top: 26px; }
@media print { .more { display: block; } .more > *:not(summary) { display: block; } }

/* --- ABOUT --- */
.about-grid { align-items: center; display: grid; gap: 32px; grid-template-columns: 1fr; }
.about-subtitle { color: var(--color-text); font-size: clamp(26px, 3vw, 34px); line-height: 1.3; margin-top: 16px; }
.about-p { font-size: 18px; line-height: 30px; margin-top: 16px; max-width: 62ch; }
.about-grid .kicker + .about-p { margin-top: 14px; }
.about-subtitle + .about-p { margin-top: 18px; }
.statement--side { border-left: 3px solid var(--color-accent); padding-left: 22px; }
.pillars { display: grid; gap: 16px; grid-template-columns: 1fr; margin-top: 30px; }
.pillar { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 12px; padding: 24px 24px 26px; }
.pillar h3 { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 22px; font-weight: 400; margin: 0; }
.pillar p { font-size: 16px; line-height: 26px; margin-top: 10px; }
.about-link { margin-top: 28px; }
.about-link .arrow-link { margin-top: 0; }
.about-research .lead { color: #c3cbe3; margin-top: 16px; max-width: 70ch; }
.about-research h2 { color: var(--color-white); }
.res-grid { display: grid; gap: 14px; grid-template-columns: 1fr; margin-top: 32px; }
.res-item { border: 1px solid rgba(195,203,227,.25); border-radius: 12px; padding: 20px 22px; }
.res-item h3 { color: var(--color-white); font-family: var(--font-serif); font-size: 20px; font-weight: 400; margin: 0; }
.res-item p { color: #c3cbe3; font-size: 15px; line-height: 24px; margin-top: 8px; }
.about-research--split .research-layout { display: grid; gap: 32px; grid-template-columns: 1fr; }
.about-research--split .research-intro .lead { font-size: 17px; line-height: 1.75; max-width: 34em; }
.about-research--split .research-layout > .res-grid { gap: 0; grid-template-columns: 1fr; margin-top: 0; }
.about-research--split .res-item { border: 0; border-radius: 0; border-top: 1px solid rgba(195,203,227,.25); display: grid; grid-template-columns: 34px 1fr; padding: 17px 0; }
.about-research--split .res-icon { grid-row: 1 / span 2; margin: 3px 0 0; }
.about-research--split .res-item h3 { align-self: end; }
.about-research--split .res-item p { margin-top: 4px; }
.about-research--split .partners { margin-top: 24px; }
@media (min-width: 860px) {
  .about-grid { gap: 64px; grid-template-columns: 6fr 5fr; }
  .pillars, .res-grid { grid-template-columns: repeat(3, 1fr); }
  .about-research--split .research-layout { align-items: start; gap: 72px; grid-template-columns: 1fr 1fr; }
  .about-research--split .res-grid { grid-template-columns: 1fr; }
}

/* --- CONTACT --- */
.contact-grid { display: grid; gap: 36px; grid-template-columns: 1fr; }
.contact-info h2, .contact-form-wrap h2 { color: var(--color-accent-deep); font-size: 26px; margin: 0 0 6px; }
.contact-info .brand-facts { margin-top: 18px; }
.contact-form-wrap { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 14px; padding: 26px 22px; }
.contact-form { margin-top: 18px; }
.field { margin-top: 16px; }
.field-row { display: grid; gap: 0 16px; grid-template-columns: 1fr; }
.field label { color: var(--color-accent-deep); display: block; font-size: 15px; margin-bottom: 6px; }
.field input, .field select, .field textarea { background: var(--color-page); border: 1px solid var(--color-line); border-radius: 8px; color: var(--color-text); font: inherit; font-size: 16px; padding: 12px 14px; width: 100%; }
.field textarea { resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(40,60,157,.15); outline: none; }
.field .invalid { border-color: #b3261e; }
.req { color: #b3261e; }
.hp { height: 0; left: -9999px; overflow: hidden; position: absolute; width: 0; }
.form-note { color: var(--color-muted); font-size: 14px; margin-top: 16px; }
.form-submit { border: 0; cursor: pointer; font: inherit; margin-top: 18px; }
.form-submit[disabled] { opacity: .6; cursor: wait; }
.form-status { font-size: 15px; line-height: 24px; margin-top: 14px; min-height: 24px; }
.form-status.ok { color: #1c6b3a; }
.form-status.err { color: #b3261e; }
@media (min-width: 640px) { .field-row { grid-template-columns: 1fr 1fr; } .contact-form-wrap { padding: 32px; } }
@media (min-width: 900px) { .contact-grid { gap: 56px; grid-template-columns: 4fr 6fr; } }

/* --- PARTNERS / PRIVACY --- */
.privacy { max-width: 760px; }
.privacy h3:first-child { margin-top: 0; }
.privacy a { color: var(--color-accent); text-decoration: underline; }

/* --- WORK WITH US: icons, roadmap --- */
.pillar-icon { color: var(--color-accent); display: block; margin-bottom: 14px; }
/* --- small icons: About, research bands, Contact details --- */
.res-icon { color: var(--color-gold-bright); display: block; margin-bottom: 12px; }
.contact-info dt { align-items: center; display: flex; gap: 8px; }
.contact-info .dt-icon { color: var(--color-accent); flex: none; }

/* --- BRANDS v3: animated group tree, sticky brand switcher, highlights --- */
.brand-tags { margin-top: 26px; }
.brand-avail { color: var(--color-muted); font-size: 16px; line-height: 25px; margin-top: 20px; }
.brand-photo { border-radius: 12px; margin: 22px 0 0; overflow: hidden; }
.brand-photo img { display: block; height: auto; width: 100%; }
.brand-side { min-width: 0; }
.brand-block[id], section[id="cybcure"], section[id="yeatype"], section[id="livf"], section[id="yotapian"] { scroll-margin-top: 130px; }
.group-section { padding-bottom: 8px; }
.brand-tile { background: linear-gradient(160deg, var(--t1, #1f2f7d) 0%, var(--t2, #151f5d) 100%); background-position: center; background-size: cover; border-radius: 16px; color: #fff; display: flex; flex-direction: column; gap: 14px; justify-content: flex-start; min-height: 300px; overflow: hidden; padding: 20px; position: relative; text-decoration: none; transition: box-shadow .3s ease, transform .3s ease; }
.brand-tile::before { background: radial-gradient(120% 80% at 100% 0%, rgba(255,255,255,.16), rgba(255,255,255,0) 60%); content: ""; inset: 0; pointer-events: none; position: absolute; transition: opacity .3s ease; }
.brand-tile > * { position: relative; }
.brand-tile:hover, .brand-tile:focus-visible { box-shadow: 0 22px 44px rgba(21,31,93,.28); transform: translateY(-6px); }
.brand-tile:active { transform: translateY(-2px) scale(.99); }
.js .brand-tile { opacity: 0; transform: translateY(18px); }
.js .group-tree.is-drawn .brand-tile { opacity: 1; transform: none; transition: opacity .6s ease var(--d, .2s), transform .6s ease var(--d, .2s), box-shadow .3s ease; }
.js .group-tree.is-drawn .brand-tile:hover { transform: translateY(-6px); transition-delay: 0s; }

/* Brands overview: editorial four-column showcase */
.brand-showcase { display: grid; grid-template-columns: 1fr; }
.brand-showcase-item { align-items: center; border-top: 1px solid var(--color-line); display: flex; flex-direction: column; min-width: 0; padding: 32px 18px 36px; position: relative; text-align: center; }
.brand-showcase-item:first-child { border-top: 0; }
.brand-showcase-logo { border-radius: 28px; display: block; flex: none; transition: transform .3s ease, box-shadow .3s ease; }
.brand-showcase-logo img { border-radius: 28px; height: 150px; object-fit: cover; width: 150px; }
.section .brand-showcase-role { color: #363b47; font-family: var(--font-ui); font-size: 22px; font-weight: 400; line-height: 1.35; margin: 24px 0 0; }
.brand-showcase-link { border: 1px solid #9298a3; border-radius: 5px; color: #606671; display: inline-flex; font-family: var(--font-ui); font-size: 14px; line-height: 1; margin-top: 22px; padding: 7px 16px; transition: background .2s ease, border-color .2s ease, color .2s ease, transform .2s ease; }
:lang(en) .section .brand-showcase-role { font-size: 18px; max-width: 225px; text-align: center; width: 100%; }
:lang(en) .section .brand-showcase-name { color: #363b47; font-family: var(--font-serif); font-size: 34px; font-weight: 400; line-height: 1.15; margin: 6px 0 0; max-width: 225px; text-align: center; width: 100%; }
.brand-showcase-logo:hover, .brand-showcase-logo:focus-visible { box-shadow: 0 14px 30px rgba(21,31,93,.14); transform: translateY(-4px); }
.brand-showcase-link:hover, .brand-showcase-link:focus-visible { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-white); transform: translateY(-2px); }
.js .brand-showcase-item { opacity: 0; transform: translateY(18px); }
.js .group-tree.is-drawn .brand-showcase-item { opacity: 1; transform: none; transition: opacity .55s ease var(--d, .1s), transform .55s ease var(--d, .1s); }
@media (min-width: 640px) and (max-width: 959px) {
  .brand-showcase { grid-template-columns: repeat(2, 1fr); }
  .brand-showcase-item { border-top: 0; padding-inline: 30px; }
  .brand-showcase-item:nth-child(n+3) { border-top: 1px solid var(--color-line); }
  .brand-showcase-item:nth-child(odd)::after { background: #c8ccd3; bottom: 46px; content: ""; position: absolute; right: 0; top: 46px; width: 1px; }
}
@media (min-width: 960px) {
  .brand-showcase { grid-template-columns: repeat(4, 1fr); }
  .brand-showcase-item { border-top: 0; padding: 10px 34px 18px; }
  .brand-showcase-item:first-child { padding-left: 18px; }
  .brand-showcase-item:last-child { padding-right: 18px; }
  .brand-showcase-item:not(:last-child)::after { background: #c8ccd3; bottom: 40px; content: ""; position: absolute; right: 0; top: 50px; width: 1px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .brand-showcase-item { opacity: 1; transform: none; }
  .brand-showcase-logo, .brand-showcase-link { transition: none; }
}
@media (min-width: 860px) {
  .brand-tile { min-height: 360px; padding: 24px; }
  .brand-block--flip { grid-template-columns: 1fr 340px; }
  .brand-block--flip .brand-side { order: 2; }
}
/* sticky switcher */
.brand-switch { background: rgba(255,255,255,.95); backdrop-filter: blur(8px); border-bottom: 1px solid var(--color-line); left: 0; opacity: 0; pointer-events: none; position: fixed; right: 0; top: var(--header-height); transform: translateY(-8px); transition: opacity .25s ease, transform .25s ease; visibility: hidden; z-index: 45; }
.brand-switch.is-visible { opacity: 1; pointer-events: auto; transform: none; visibility: visible; }
.bs-inner { display: flex; gap: 8px; justify-content: flex-start; margin: 0 auto; max-width: var(--content-max); overflow-x: auto; padding: 8px 16px; scrollbar-width: none; }
.bs-inner::-webkit-scrollbar { display: none; }
.bs-inner a { align-items: center; border: 1px solid var(--color-line); border-radius: 999px; color: var(--color-accent-deep); display: inline-flex; flex: none; font-size: 15px; gap: 8px; padding: 6px 16px 6px 8px; text-decoration: none; transition: background .2s ease, color .2s ease, border-color .2s ease; }
.bs-inner img { border-radius: 6px; height: 26px; object-fit: contain; width: 26px; }
.bs-inner a:hover { border-color: var(--color-accent); }
.bs-inner a.is-active { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
@media (min-width: 720px) { .bs-inner { justify-content: center; } }
/* target flash after a click */
@keyframes brandPop { 0% { transform: scale(1); } 35% { transform: scale(1.14); } 100% { transform: scale(1); } }
@keyframes brandGlow { 0% { box-shadow: 0 0 0 0 rgba(40,60,157,.35); } 100% { box-shadow: 0 0 0 26px rgba(40,60,157,0); } }
.brand-flash .brand-id img { animation: brandPop .8s ease, brandGlow 1.2s ease-out; }
.brand-flash .brand-tags li { animation: tagIn .5s ease both; }
.brand-flash .brand-tags li:nth-child(2) { animation-delay: .08s; }
.brand-flash .brand-tags li:nth-child(3) { animation-delay: .16s; }
.brand-flash .brand-tags li:nth-child(4) { animation-delay: .24s; }
@keyframes tagIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* --- WORK WITH US: tighter sections, animated icon roadmap --- */
.section.section--tight { padding: 30px 0; }
@media (min-width: 1024px) { .section.section--tight { padding: 38px 0; } }
.section--tight .pillars, .section--tight .res-grid { margin-top: 24px; }
.roadmap { list-style: none; margin: 26px 0 0; padding: 0; }
.road-step { padding: 0 0 26px 76px; position: relative; }
.road-step:last-child { padding-bottom: 0; }
.road-step::before, .road-step::after { content: ""; height: calc(100% - 52px); left: 25px; position: absolute; top: 58px; width: 2px; }
.road-step::before { background: var(--color-line); }
.road-step::after { background: var(--color-accent); transform: scaleY(var(--fill, 1)); transform-origin: top; transition: transform .12s linear; }
.road-step:last-child::before, .road-step:last-child::after { display: none; }
.road-node { align-items: center; background: var(--color-accent); border: 2px solid var(--color-accent); border-radius: 50%; box-shadow: 0 0 0 6px rgba(40,60,157,.08); color: #fff; display: flex; height: 52px; justify-content: center; left: 0; position: absolute; top: 0; transition: background .4s ease, color .4s ease, transform .4s ease; width: 52px; }
.road-num { color: var(--color-gold); display: block; font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; padding-top: 2px; }
.road-step h3 { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 20px; font-weight: 400; margin: 2px 0 0; }
.road-step p { font-size: 15px; line-height: 24px; margin-top: 6px; }
.js .road-step:not(.is-on) .road-node { background: var(--color-white); color: var(--color-accent); transform: scale(.9); }
.js .road-step:not(.is-on) h3, .js .road-step:not(.is-on) p, .js .road-step:not(.is-on) .road-num { opacity: .35; }
.road-step h3, .road-step p, .road-num { transition: opacity .4s ease; }
@media (min-width: 1000px) {
  .roadmap { display: grid; gap: 0 22px; grid-template-columns: repeat(6, 1fr); }
  .road-step { padding: 72px 0 0; }
  .road-step::before, .road-step::after { height: 2px; left: 60px; right: -22px; top: 25px; width: auto; }
  .road-step::after { transform: scaleX(var(--fill, 1)); transform-origin: left; }
  .road-num { padding-top: 0; }
  .road-step h3 { font-size: 19px; }
}
@media (prefers-reduced-motion: reduce) {
  .js .brand-tile, .js .road-step .road-node { opacity: 1; transform: none; }
  .brand-flash .brand-id img, .brand-flash .brand-tags li { animation: none; }
}

/* roadmap: icons draw in, one soft pulse, hover response */
.road-node svg * { stroke-dasharray: 1; stroke-dashoffset: 0; transition: stroke-dashoffset .9s ease .1s; }
.js .road-step:not(.is-on) .road-node svg * { stroke-dashoffset: 1; }
@keyframes roadPulse { 0% { box-shadow: 0 0 0 0 rgba(40,60,157,.45); } 100% { box-shadow: 0 0 0 18px rgba(40,60,157,0); } }
.js .road-step.is-on .road-node { animation: roadPulse 1.1s ease-out; }
.road-step:hover .road-node { transform: translateY(-3px); }
.road-step:hover h3, .js .road-step:not(.is-on):hover h3 { color: var(--color-accent); opacity: 1; }
.road-step:hover p, .js .road-step:not(.is-on):hover p, .js .road-step:not(.is-on):hover .road-num { color: var(--color-text); opacity: 1; }
@media (prefers-reduced-motion: reduce) { .js .road-step.is-on .road-node { animation: none; } .road-node svg * { transition: none; } }

/* --- page banner: OxyLumina mark watermark (Brands hero) --- */
.page-banner--mark { --mark-w: clamp(160px, 15vw, 240px); overflow: hidden; }
.page-banner--mark .wrap { position: relative; z-index: 1; }
.page-banner--mark h1, .page-banner--mark .lead { max-width: min(620px, calc(100% - var(--mark-w) - 90px)); }
.banner-mark { align-items: center; display: flex; flex-direction: column; pointer-events: none; position: absolute; right: 20px; text-align: center; top: 50%; transform: translateY(-50%); width: var(--mark-w); z-index: 0; }
.bm-glow { background: radial-gradient(closest-side, rgba(255,255,255,.24), rgba(150,180,255,.24) 45%, rgba(120,160,255,0) 76%); border-radius: 50%; inset: calc(var(--mark-w) * -0.4) calc(var(--mark-w) * -0.24); position: absolute; }
.bm-icon { filter: drop-shadow(0 0 30px rgba(150,180,255,.4)) drop-shadow(0 16px 26px rgba(5,11,31,.45)); height: auto; opacity: 1; position: relative; width: 84%; }
.bm-word { color: rgba(255,255,255,.85); display: block; font-family: var(--font-ui); font-size: clamp(13px, 1.15vw, 18px); font-weight: 600; letter-spacing: .24em; margin: 10px -0.24em 0 0; position: relative; }
.bm-word-cn { color: var(--color-gold-bright); display: block; font-family: var(--font-ui); font-size: clamp(20px, 1.7vw, 27px); letter-spacing: .28em; margin: 6px -0.28em 0 0; opacity: .95; }
:lang(zh) .bm-word, :lang(zh) .bm-word-cn { letter-spacing: .2em; }
:lang(zh) .bm-word { margin-right: -0.2em; }
:lang(zh) .bm-word-cn { margin-right: -0.2em; }
.bm-floor { background: radial-gradient(closest-side, rgba(195,203,227,.4), rgba(195,203,227,0) 70%); border-radius: 50%; height: 12px; margin-top: 6px; position: relative; transform: scaleY(.35); width: 78%; }
.js .banner-mark, .js .bm-glow { animation: bmIn 1s ease both .1s; }
@keyframes bmIn { from { opacity: 0; transform: translateY(-50%) scale(.94); } to { opacity: 1; transform: translateY(-50%) scale(1); } }
@media (max-width: 759px) { .banner-mark { display: none; } }
@media (prefers-reduced-motion: reduce) { .js .banner-mark, .js .bm-glow { animation: none; } }

/* Small-screen fixes (restored from the 29 Sep build): home page brand cards, brand headings on the Brands page, page banners */
.rung-card > div:first-child { grid-template-columns: 64px minmax(0, 1fr); }
.rung-card > div:first-child > *, .brand-id > div { min-width: 0; }
.rung-card h3, .brand-id h2 { overflow-wrap: break-word; }
@media (max-width: 859px) {
  .rung-card h3 { font-size: clamp(20px, 6.2vw, 28px); }
}
@media (max-width: 480px) {
  .rung-card { padding: 20px 18px 22px; }
  .rung-card > div:first-child { column-gap: 14px; grid-template-columns: 52px minmax(0, 1fr); }
  .rung-card > div:first-child .rung-logo { height: 52px; width: 52px; }
  .rung-tag { font-size: 12px; letter-spacing: .1em; }
  .brand-id { gap: 14px; }
  .brand-id img { height: 72px; width: 72px; }
  .brand-id h2 { font-size: clamp(22px, 7vw, 30px); }
}
@media (max-width: 759px) {
  .page-banner--mark h1, .page-banner--mark .lead { max-width: none; }
}

/* Brand imagery on the brands page (galleries + click to enlarge) */
.brand-gallery figure { background: #e9ecf3; border-radius: 12px; margin: 0; overflow: hidden; }
.brand-gallery img { cursor: zoom-in; display: block; height: 100%; object-fit: cover; width: 100%; }
.brand-photo img[data-zoom] { cursor: zoom-in; }
.brand-gallery--stack { display: grid; gap: 10px; margin-top: 26px; }
.brand-gallery--stack .bg-main { aspect-ratio: 3 / 4; }
.brand-gallery--stack .bg-inset { aspect-ratio: 16 / 10; }
.brand-gallery--grid { display: grid; gap: 10px; grid-template-columns: 1fr 1fr; margin-top: 26px; }
.brand-gallery--grid .bg-main { aspect-ratio: 16 / 10; grid-column: 1 / -1; }
.brand-gallery--grid figure:not(.bg-main) { aspect-ratio: 1; }
.brand-gallery img.bg-pos-gift { object-position: 38% 60%; }
@media (max-width: 899px) {
  .brand-gallery--stack .bg-main { aspect-ratio: 4 / 5; }
  .brand-block .brand-side { display: contents; }
  .brand-block .brand-id { order: 1; }
  .brand-block .brand-body { order: 2; }
  .brand-block .brand-media { margin-top: 4px; order: 3; }
}
.zoom-overlay { align-items: center; background: rgba(10,14,35,.88); cursor: zoom-out; display: flex; inset: 0; justify-content: center; opacity: 0; position: fixed; transition: opacity .25s; z-index: 999; }
.zoom-overlay.on { opacity: 1; }
.zoom-overlay img { border-radius: 8px; box-shadow: 0 20px 60px rgba(0,0,0,.5); max-height: 88vh; max-width: 92vw; }
@media (prefers-reduced-motion: reduce) { .zoom-overlay { transition: none; } }

/* Brands page: YEATYPE online panel (centre booking via WeChat + online shop) */
.yt-online { background: #2a4434; border-radius: 14px; margin-top: 22px; padding: 18px 22px 22px; }
.brand-body .yt-online p { margin: 0; }
.brand-body .yt-online p.yt-online-label { border-bottom: 1px solid rgba(255,255,255,.16); color: #d7e2da; font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; line-height: 18px; margin-bottom: 18px; padding-bottom: 12px; text-transform: uppercase; }
.yt-online-grid { display: grid; gap: 24px; grid-template-columns: 1fr 1fr; }
.yt-item { align-items: flex-start; display: flex; gap: 14px; }
.yt-qr { background: #fff; border-radius: 8px; flex: none; height: 96px; image-rendering: pixelated; width: 96px; }
.brand-body .yt-online p.yt-title { color: #fff; font-family: var(--font-serif); font-size: 18px; line-height: 24px; margin-bottom: 4px; }
.brand-body .yt-online p.yt-desc { color: rgba(255,255,255,.82); font-size: 14px; line-height: 21px; }
.brand-body .yt-online p.yt-hint { color: #b9c9bd; font-size: 13px; line-height: 19px; margin-top: 6px; }
.brand-body .yt-online p.yt-hint--phone { display: none; }
.shop-btn { background: #fff; border-radius: var(--button-radius); color: #2a4434; display: inline-block; font-size: 15px; font-weight: 600; margin-top: 12px; padding: 9px 20px; text-decoration: none; transition: background .2s; }
.shop-btn:hover, .shop-btn:focus-visible { background: #e3ebe5; color: #2a4434; }
@media (max-width: 699px) {
  .yt-online-grid { gap: 0; grid-template-columns: 1fr; }
  .yt-item--shop { border-top: 1px solid rgba(255,255,255,.16); margin-top: 18px; padding-top: 18px; }
  .yt-item--shop .yt-qr, .brand-body .yt-online p.yt-hint--desk { display: none; }
  .brand-body .yt-online p.yt-hint--phone { display: block; }
  .yt-qr { height: 104px; width: 104px; }
}

/* Technology page: pill navigation (same style as the brands page switcher) */
.anchor-nav.anchor-nav--pills { backdrop-filter: blur(8px); background: rgba(255,255,255,.95); position: sticky; top: var(--header-height); z-index: 40; }
.anchor-nav--pills .bs-inner a { font-family: var(--font-ui); font-size: 15px; }
.anchor-nav--pills .bs-inner a:hover { text-decoration: none; }
.anchor-nav--pills .bs-inner a.is-active, .anchor-nav--pills .bs-inner a.is-active:hover { color: #fff; }
.anchor-nav--pills .bs-inner img { object-fit: cover; }
.anchor-nav--pills .bs-inner a.is-active img { box-shadow: 0 0 0 1px rgba(255,255,255,.6); }
/* Brands page: short benefit line above each brand description */
.brand-body .brand-tagline { color: var(--color-accent); font-family: var(--font-serif); font-size: 24px; line-height: 1.3; margin-bottom: 4px; }
:lang(zh) .brand-body .brand-tagline { line-height: 1.5; }
/* Brands page: Cybcure product cards (IHHT + oxygen chamber) */
.brand-products { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 26px; }
.brand-product { background: var(--color-white); border: 1px solid rgba(21,31,93,.14); border-radius: 12px; display: flex; flex-direction: column; padding: 22px 22px 20px; }
.brand-product h3 { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 20px; font-weight: 400; line-height: 1.3; margin: 0 0 10px; }
.brand-body .brand-product p { font-size: 16px; line-height: 25px; margin: 0; }
.brand-body .brand-product p.bp-meta { color: var(--color-muted); font-size: 14px; line-height: 21px; margin-top: 12px; }
.brand-body .brand-product p.bp-meta + p.bp-meta { margin-top: 4px; }
.brand-product .arrow-link { margin-top: auto; padding-top: 16px; }

/* --- WORK WITH US (2026-10 redesign): illustrated roadmap, partner card --- */
.wwu-section .wwu-sub { margin-top: 56px; }
.roadmap--art .road-step { padding: 0 0 30px 128px; min-height: 104px; }
.roadmap--art .road-step:last-child { padding-bottom: 0; }
.roadmap--art .road-step::before, .roadmap--art .road-step::after { height: calc(100% - 104px); left: 51px; top: 104px; }
.roadmap--art .road-node { background: var(--color-white); border: 1px solid var(--color-line); box-shadow: 0 8px 24px rgba(21,31,93,.08); height: 104px; width: 104px; }
.roadmap--art .road-node svg { height: 70px; width: 70px; }
.roadmap--art .road-node svg * { stroke-dasharray: none; stroke-dashoffset: 0; transition: none; }
.js .roadmap--art .road-step:not(.is-on) .road-node { background: var(--color-white); opacity: .35; transform: scale(.88); }
.roadmap--art .road-node { transition: opacity .5s ease, transform .5s ease, box-shadow .5s ease; }
.js .roadmap--art .road-step:not(.is-on) .road-node svg * { stroke-dashoffset: 0; }
.roadmap--art .road-num { padding-top: 22px; }
@media (min-width: 1000px) {
  .roadmap--art .road-step { min-height: 0; padding: 124px 0 0; }
  .roadmap--art .road-step::before, .roadmap--art .road-step::after { height: 2px; left: 112px; right: -14px; top: 51px; width: auto; }
  .roadmap--art .road-num { padding-top: 0; }
}
.partner-card { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 16px; box-shadow: 0 12px 40px rgba(21,31,93,.06); display: grid; gap: 28px; margin-top: 26px; padding: 28px 20px; }
.pgrid { align-content: center; display: grid; gap: 26px 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); list-style: none; margin: 0; padding: 0; }
.pitem { align-items: center; display: flex; flex-direction: column; gap: 14px; text-align: center; }
.pcirc { align-items: center; background: var(--color-card); border-radius: 50%; color: var(--color-accent); display: flex; height: 92px; justify-content: center; width: 92px; }
.pcirc svg { height: 42px; width: 42px; }
.pitem h3 { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 16px; font-weight: 400; line-height: 1.3; margin: 0; }
.why { border-top: 1px solid var(--color-line); padding-top: 28px; }
.why h3 { color: var(--color-accent); font-family: var(--font-serif); font-size: 24px; font-weight: 400; line-height: 1.3; margin: 0 0 20px; }
.why-list { display: flex; flex-direction: column; gap: 16px; list-style: none; margin: 0; padding: 0; }
.why-list li { align-items: baseline; border-bottom: 1px solid #eef0f6; display: flex; gap: 16px; padding-bottom: 16px; }
.why-list li:last-child { border-bottom: 0; padding-bottom: 0; }
.why-num { color: var(--color-gold); flex: 0 0 24px; font-family: var(--font-serif); font-size: 14px; letter-spacing: .08em; }
.why-list strong { color: var(--color-text); display: block; font-size: 17px; font-weight: 600; }
.why-list li span:not(.why-num) { color: var(--color-muted); display: block; font-size: 15.5px; line-height: 24px; margin-top: 2px; }
@media (min-width: 600px) { .pgrid { gap: 34px 18px; grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 960px) {
  .partner-card { gap: 0; grid-template-columns: 1fr 1fr; padding: 44px; }
  .pgrid { column-gap: 28px; grid-template-columns: repeat(3, minmax(0, 168px)); justify-content: space-between; padding-right: 44px; row-gap: 44px; }
  .why { border-left: 1px solid var(--color-line); border-top: 0; padding: 0 0 0 40px; }
  .pcirc { height: 112px; width: 112px; }
  .pcirc svg { height: 52px; width: 52px; }
  .pitem h3 { font-size: 18px; }
}
@media (min-width: 1100px) { .pcirc { height: 124px; width: 124px; } .pcirc svg { height: 56px; width: 56px; } .pitem h3 { font-size: 19px; } }
@media (prefers-reduced-motion: reduce) { .roadmap--art .road-node { transition: none; } }
:lang(zh) .why-list strong { font-weight: 600; }
/* Work With Us: no hover effects on the illustrated timeline */
.roadmap--art .road-step:hover .road-node { transform: none; }
.roadmap--art .road-step:hover h3 { color: var(--color-accent-deep); }
.roadmap--art .road-step:hover p { color: var(--color-muted); }
.roadmap--art .road-step:hover .road-num { color: var(--color-gold); }
.js .roadmap--art .road-step:not(.is-on):hover h3, .js .roadmap--art .road-step:not(.is-on):hover p, .js .roadmap--art .road-step:not(.is-on):hover .road-num { opacity: .35; }

/* =====================================================================
   Technology overview + device pages (IHHT, oxygen chamber, healing robot)
   ===================================================================== */
.inline-link { color: var(--color-accent); text-decoration: underline; text-underline-offset: 3px; }
.inline-link:hover { color: var(--color-accent-deep); }
.crumbs { color: #c3cbe3; font-size: 14px; margin-bottom: 22px; }
.crumbs a { color: #d3daee; text-decoration: underline; text-underline-offset: 3px; }
.crumbs a:hover { color: var(--color-white); }
.more-grid { display: grid; gap: 24px; grid-template-columns: 1fr; margin-top: 36px; }
.more-card { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 12px; display: flex; flex-direction: column; overflow: hidden; }

.more-card figure { aspect-ratio: 16 / 9; margin: 0; overflow: hidden; }
.more-card img { height: 100%; object-fit: cover; width: 100%; }
.more-body { display: flex; flex: 1; flex-direction: column; padding: 24px 26px 26px; }
.more-kicker { color: var(--color-gold); font-family: var(--font-serif); font-size: 13px; letter-spacing: .14em; text-transform: uppercase; }
:lang(zh) .more-kicker { letter-spacing: .06em; text-transform: none; }
.more-card h3 { color: var(--color-accent-deep); font-size: 24px; line-height: 1.25; margin-top: 8px; }
.more-card p:not(.more-kicker) { font-size: 16px; line-height: 25px; margin-top: 10px; }
.more-card .arrow-link { margin-top: auto; padding-top: 18px; }
.faq-list { border-top: 1px solid var(--color-line); margin-top: 32px; max-width: 860px; }
.faq { border-bottom: 1px solid var(--color-line); }
.faq summary { color: var(--color-accent-deep); cursor: pointer; display: flex; font-family: var(--font-serif); font-size: 20px; gap: 20px; justify-content: space-between; line-height: 1.35; list-style: none; padding: 22px 4px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { color: var(--color-accent); content: "+"; flex: none; font-family: var(--font-ui); font-size: 26px; line-height: 1; transition: transform .2s ease; }
.faq[open] summary::after { transform: rotate(45deg); }
.faq summary:hover { color: var(--color-accent); }
.faq-a { padding: 0 4px 24px; }
.faq-a p { font-size: 17px; line-height: 28px; }
.faq-a p + p { margin-top: 10px; }
@media (min-width: 768px) { .more-grid { grid-template-columns: 1fr 1fr; } }

/* --- Technology page: IHHT lead band --- */
.ihht-lead { background: radial-gradient(circle at 82% 30%, rgba(40,60,157,.10), transparent 55%), var(--color-white); overflow: hidden; padding: 64px 0 56px; }
.ihht-lead h2 { color: var(--color-text); font-size: clamp(32px, 4.2vw, 48px); line-height: 1.12; }
.ihht-lead .lead { color: var(--color-muted); max-width: 560px; }
.ihht-quote { border-left: 3px solid var(--color-accent); color: var(--color-accent-deep); font-family: var(--font-serif); font-size: clamp(19px, 2vw, 22px); line-height: 1.4; margin-top: 26px; max-width: 520px; padding-left: 18px; }
.ihht-lead .button-row { margin-top: 32px; }
.ihht-lead .button { height: 44px; padding: 0 28px; }
.ihht-lead .button-secondary { background: transparent; border-color: rgba(21,31,93,.35); color: var(--color-accent-deep); }
.ihht-lead .button-secondary:hover { background: rgba(40,60,157,.06); }
@media (min-width: 960px) {
  .ihht-lead { padding: 84px 0 64px; }
}

/* --- IHHT session illustration (mountain journey) --- */
.journey-title { color: var(--color-text); font-family: var(--font-serif); font-size: clamp(21px, 2.4vw, 27px); line-height: 1.3; max-width: 760px; }
.journey-art { aspect-ratio: 1000 / 280; position: relative; }
.journey-legend { display: grid; gap: 22px; grid-template-columns: 1fr; list-style: none; margin: 0; }
.journey-legend li { display: grid; gap: 4px 14px; grid-template-columns: 44px 1fr; }
.j-icon { align-items: center; border-radius: 50%; display: inline-flex; grid-row: span 2; height: 44px; justify-content: center; width: 44px; }
.j-icon svg { fill: none; height: 22px; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.7; width: 22px; }
.j-icon--peak { background: #e8ecfb; color: var(--color-accent); }
.j-icon--valley { background: #e0f6f8; color: #0f8fa0; }
.j-icon--care { background: #fff2dc; color: #b7791f; }
.journey-legend strong { color: var(--color-accent-deep); font-family: var(--font-serif); font-size: 19px; font-weight: 400; line-height: 1.3; }
.journey-legend span:not(.j-icon) { color: var(--color-muted); font-size: 15px; line-height: 23px; }
@media (min-width: 768px) {
  .journey-head { padding: 36px 40px 24px; }
  .journey-legend { gap: 28px; grid-template-columns: repeat(3, 1fr); padding: 32px 40px 34px; }
}
@media (max-width: 767px) {
  .journey-art { aspect-ratio: auto; height: 170px; }
}
.ihht-trust { color: var(--color-muted); display: flex; flex-wrap: wrap; font-size: 15px; gap: 8px 26px; justify-content: center; list-style: none; margin: 26px 0 0; padding: 0; }
.ihht-trust li::before { background: var(--color-accent); border-radius: 50%; content: ""; display: inline-block; height: 6px; margin-right: 10px; vertical-align: middle; width: 6px; }
.ihht-trust strong { color: var(--color-accent-deep); font-weight: 600; }
@media (max-width: 767px) { .ihht-trust { align-items: flex-start; flex-direction: column; margin-left: 4px; } }
/* --- IHHT lead: one connected composition --- */
.ihht-journey { background: none; border: 0; border-radius: 0; box-shadow: none; margin-top: 44px; overflow: visible; }
.journey-head { padding: 0; }
.journey-art { border-radius: 16px; margin-top: 26px; overflow: hidden; }
.journey-legend { padding: 30px 0 0; }
.ihht-foot { align-items: center; border-top: 1px solid var(--color-line); display: flex; flex-wrap: wrap; gap: 18px 32px; justify-content: space-between; margin-top: 36px; padding-top: 28px; }
.ihht-foot .button-row { margin: 0; }
.ihht-foot .ihht-trust { justify-content: flex-start; margin: 0; }
.ihht-lead .ihht-foot .button { height: 44px; padding: 0 28px; }
@media (min-width: 960px) {
  .journey-head { max-width: 52%; }
  .journey-legend { padding-top: 34px; }
}
@media (max-width: 767px) { .ihht-foot { flex-direction: column; align-items: flex-start; } }
@media (min-width: 960px) {
  .ihht-journey { margin-top: 30px; }
}
/* --- IHHT lead: heading full width, text and device card side by side at natural size --- */
.ihht-lead-head h2 { margin-bottom: 0; }
/* --- IHHT lead (simplified): text row, then the mountain illustration as the one hero visual --- */
.journey-legend li { align-content: start; grid-template-rows: auto 1fr; }
/* --- IHHT lead: tighter spacing --- */
.ihht-lead { padding-top: 40px; }
@media (min-width: 960px) { .ihht-lead { padding-top: 48px; } }

/* =====================================================================
   IHHT page: short, scannable sections
   ===================================================================== */
.ihht-hero { padding: 48px 0 52px; }
.ihht-hero-grid { align-items: center; display: grid; gap: 36px 56px; }
.ihht-hero .lead { max-width: 560px; }
.hero-actions { margin-top: 28px; }
.ihht-hero .button { height: 44px; padding: 0 26px; }
.ihht-hero .button-primary { background: var(--color-white); color: var(--color-accent-deep); }
.ihht-hero .button-primary:hover { background: var(--color-gold-bright); }
.ihht-hero .button-secondary { background: transparent; border-color: rgba(255,255,255,.55); color: var(--color-white); }
.ihht-hero .button-secondary:hover { background: rgba(255,255,255,.12); }
.ihht-hero-fig { margin: 0; }
.ihht-hero-fig img { border: 1px solid rgba(195,203,227,.2); border-radius: 16px; box-shadow: 0 30px 70px rgba(0,0,0,.4); height: auto; width: 100%; }
.sec-intro { font-size: 18px; margin-top: 14px; max-width: 680px; }
.fine { color: var(--color-muted); font-size: 14px; font-style: italic; line-height: 22px; margin-top: 22px; }
.how-grid { display: grid; gap: 32px 64px; }
.how-text p { font-size: 17px; line-height: 28px; margin-top: 14px; }
.how-text .ihht-quote { margin-top: 24px; }
.cycle-steps { display: grid; list-style: none; margin: 0; padding: 0; }
.cycle-steps li { display: grid; gap: 16px; }
.cs-num { align-items: center; background: var(--color-accent-deep); border-radius: 50%; color: #fff; display: inline-flex; font-family: var(--font-serif); justify-content: center; }
.cs-num--high { background: #22c3d6; }
.cs-num--loop { background: #eef2fd; color: var(--color-accent); font-size: 22px; }
.cycle-steps h3 { color: var(--color-accent-deep); font-size: 19px; line-height: 1.3; }
.cycle-steps p { font-size: 15px; line-height: 23px; margin-top: 4px; }
#how .journey-art { border-radius: 16px; margin-top: 40px; overflow: hidden; }
.ihht-proof { padding: 64px 0; }
.ihht-proof h2 { color: var(--color-white); font-size: clamp(28px, 3.6vw, 40px); line-height: 1.2; }
.ihht-proof .kicker { color: var(--color-gold-bright); }
.ihht-proof .kicker::before { background: var(--color-gold-bright); }
.proof-head .lead { color: #c3cbe3; max-width: 820px; }
.b-grid { display: grid; grid-template-columns: 1fr; list-style: none; margin: 30px 0 0; padding: 0; }
.b-icon { align-items: center; color: var(--color-accent); display: inline-flex; }
.b-icon svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; }
.b-card h3 { color: var(--color-accent-deep); font-size: 19px; line-height: 1.3; }
.b-card p { font-size: 15px; line-height: 23px; margin-top: 6px; }
.s-steps { counter-reset: none; display: grid; list-style: none; margin: 30px 0 0; padding: 0; }
.s-n { color: var(--color-gold); font-family: var(--font-serif); font-size: 14px; letter-spacing: .1em; }
.s-steps h3 { color: var(--color-accent-deep); font-size: 19px; line-height: 1.3; margin-top: 6px; }
.s-steps p { font-size: 15px; line-height: 23px; margin-top: 6px; }
.modes { display: grid; }
.mode-card { background: var(--color-white); border: 1px solid var(--color-line); border-radius: 14px; padding: 22px 24px; }
.mode-card h3 { color: var(--color-accent-deep); font-size: 22px; margin-top: 6px; }
.mode-card p:not(.more-kicker) { font-size: 15px; line-height: 23px; margin-top: 6px; }
.mode-card--train { border-left: 4px solid #22c3d6; }
.mode-card:not(.mode-card--train) { border-left: 4px solid var(--color-accent); }
@media (min-width: 640px) {
  .b-grid { grid-template-columns: repeat(2, 1fr); }
  .s-steps { grid-template-columns: repeat(2, 1fr); }
  .modes { grid-template-columns: 1fr 1fr; }
}
@media (min-width: 960px) {
  .ihht-hero { padding: 56px 0 64px; }
  .ihht-hero-grid { grid-template-columns: 7fr 5fr; }
  .how-grid { align-items: center; grid-template-columns: 1fr 1fr; }
  .b-grid { grid-template-columns: repeat(3, 1fr); }
  .s-steps { grid-template-columns: repeat(4, 1fr); }
}
@media (max-width: 767px) { #how .journey-art { height: 170px; } }
/* --- IHHT page: calm, editorial (no tiles) --- */
.cycle-steps { gap: 0; }
.cycle-steps li { background: none; border: 0; border-top: 1px solid var(--color-line); border-radius: 0; padding: 18px 0; }
.cycle-steps li:first-child { border-top: 0; padding-top: 0; }
.cs-num { height: 34px; font-size: 15px; width: 34px; }
.cycle-steps li { grid-template-columns: 34px 1fr; }
.b-grid { gap: 26px 48px; }
.b-card { background: none; border: 0; border-radius: 0; display: grid; padding: 0; }
.b-icon { grid-row: span 2; }
.s-steps { gap: 24px 40px; }
.s-steps li { background: none; border-radius: 0; border-top: 2px solid var(--color-accent); padding: 16px 0 0; }
.modes { border-top: 1px solid var(--color-line); gap: 24px 48px; margin-top: 34px; padding-top: 26px; }
.mode-card, .mode-card--train, .mode-card:not(.mode-card--train) { background: none; border: 0; border-radius: 0; padding: 0; }
.plain-list { list-style: none; margin: 20px 0 0; max-width: 760px; padding: 0; }
.plain-list li { border-top: 1px solid var(--color-line); color: var(--color-text); font-size: 17px; line-height: 26px; padding: 12px 0 12px 30px; position: relative; }
.plain-list li:first-child { border-top: 0; }
.plain-list li::before { color: #22c3d6; content: "\2713"; left: 4px; position: absolute; }
#session.section-tint { background: var(--color-white); }
#benefits, #session, #why-cybcure { padding-bottom: 40px; }
.b-card { align-content: start; grid-template-rows: auto 1fr; }
.b-card p { align-self: start; }
/* --- IHHT page: tighter rhythm + side-by-side FAQ --- */
.ihht-page #benefits, .ihht-page #session, .ihht-page #why-cybcure { padding-bottom: 28px; }
.ihht-page #session, .ihht-page #why-cybcure { padding-top: 28px; }
.ihht-page .fine { margin-top: 16px; }
.faq-layout { display: grid; gap: 24px 64px; }
.faq-side p:not(.kicker) { font-size: 16px; margin-top: 14px; }
.faq-side .arrow-link { margin-top: 10px; }
.faq-layout .faq-list { margin-top: 0; max-width: none; }
.faq-layout .faq summary { font-size: 18px; padding: 16px 4px; }
.faq-layout .faq-a { padding-bottom: 18px; }
.faq-layout .faq-a p { font-size: 16px; line-height: 26px; }
@media (min-width: 960px) {
  .faq-layout { align-items: start; grid-template-columns: 4fr 8fr; }
  .faq-side { position: sticky; top: calc(var(--header-height) + 24px); }
}
/* --- IHHT page: clearer section rhythm --- */
.ihht-page .section { padding: 36px 0; }
.ihht-page #session.section-tint { background: #f1f3fa; }
.ihht-page #benefits { padding-bottom: 36px; }
.ihht-page #session { padding: 36px 0 32px; }
.ihht-page #why-cybcure { padding: 36px 0; }
.ihht-page #session .s-steps li { border-top-color: var(--color-accent); }
.ihht-page .modes { border-top-color: #d9dff0; }
@media (min-width: 960px) {
  .ihht-page .section { padding: 44px 0; }
  .ihht-page #benefits { padding-bottom: 44px; }
  .ihht-page #session, .ihht-page #why-cybcure { padding: 44px 0; }
}
/* --- IHHT page: tighter still --- */
.ihht-page .section, .ihht-page #benefits, .ihht-page #session, .ihht-page #why-cybcure { padding: 30px 0; }
.ihht-page .kicker { margin-bottom: 12px; }
.ihht-page .kicker::before { margin-bottom: 10px; }
.ihht-page .b-grid, .ihht-page .s-steps { margin-top: 22px; }
.ihht-page .modes { margin-top: 24px; padding-top: 20px; }
@media (min-width: 960px) {
  .ihht-page .section, .ihht-page #benefits, .ihht-page #session, .ihht-page #why-cybcure { padding: 36px 0; }
}
/* --- Technology IHHT: illustration and its key side by side --- */
@media (min-width: 960px) {
  .ihht-journey { display: grid; gap: 0 44px; grid-template-columns: 3fr 2fr; }
  .ihht-journey .journey-art { margin-top: 0; }
  .ihht-journey .journey-legend { gap: 22px; grid-template-columns: 1fr; padding: 0; }
}
/* --- Technology IHHT: decluttered text row --- */
.journey-sub { color: var(--color-muted); font-size: 16px; line-height: 25px; margin-top: 8px; }
/* --- Technology IHHT: intro full width, quote | session statement below --- */
.ihht-intro-lead { margin-top: 18px; max-width: none; }
.ihht-lead .lead.ihht-intro-lead { max-width: none; }
/* --- Technology IHHT: quote closes the intro; session line heads the key --- */
.ihht-intro-lead + .ihht-quote { margin-top: 18px; }
.journey-key .journey-head { margin: 0 0 22px; max-width: none; padding: 0; border: 0; }
.journey-key .journey-title { color: var(--color-accent-deep); font-size: clamp(19px, 2vw, 22px); line-height: 1.4; }
.ihht-quote + .ihht-journey { margin-top: 30px; }
@media (min-width: 960px) {
  .journey-key .journey-legend { gap: 20px; grid-template-columns: 1fr; padding: 0; }
}
@media (max-width: 959px) { .journey-key { margin-top: 26px; } }
/* --- Technology IHHT: picture fills the key's height (cropped, never stretched) --- */
@media (min-width: 960px) {
  .ihht-journey { align-items: stretch; }
  .ihht-journey .journey-art { aspect-ratio: auto; position: relative; }
}
/* --- Technology IHHT: session heading above, picture level with the key --- */
.ihht-quote + .journey-head { margin-top: 30px; max-width: none; }
.journey-head + .ihht-journey { margin-top: 22px; }
@media (min-width: 960px) { .ihht-journey .journey-art { min-height: 250px; } }
.ihht-lead .journey-head .journey-title { color: var(--color-accent-deep); font-size: clamp(19px, 2vw, 22px); line-height: 1.4; }
/* --- Technology IHHT: centred proof strip under the picture, centred actions --- */
.ihht-lead .ihht-trust { border-top: 1px solid var(--color-line); flex-direction: row !important; justify-content: center; margin: 30px 0 0 !important; padding-top: 22px; }
.ihht-lead .ihht-foot { border-top: 0; justify-content: center; margin-top: 22px; padding-top: 0; }
.ihht-lead .ihht-foot .button-row { justify-content: center; }
@media (max-width: 767px) { .ihht-lead .ihht-trust { align-items: center; flex-direction: column !important; margin-left: 0 !important; text-align: center; } }
/* --- IHHT page: two-column proof band --- */
.proof-layout { display: grid; gap: 30px 72px; }
.ihht-proof .proof-head .lead { color: #e3e8f7; font-size: 20px; line-height: 31px; max-width: 520px; }
.proof-list { list-style: none; margin: 0; padding: 0; }
.proof-list li { border-top: 1px solid rgba(195,203,227,.22); display: grid; gap: 4px 22px; grid-template-columns: 84px 1fr; padding: 16px 0; }
.proof-list li:first-child { border-top: 0; padding-top: 0; }
.proof-list strong { background: linear-gradient(180deg,#ffffff 0%,#b9c3e6 100%); -webkit-background-clip: text; background-clip: text; color: transparent; font-family: var(--font-serif); font-size: 34px; font-weight: 400; line-height: 1; }
.proof-list span { color: #e3e8f7; font-size: 16px; line-height: 24px; }
.proof-list em { color: #aeb8da; display: block; font-size: 14px; font-style: normal; line-height: 21px; margin-top: 2px; }
@media (min-width: 960px) { .proof-layout { grid-template-columns: 6fr 5fr; } }
.ihht-page .ihht-proof { padding: 44px 0; }
@media (min-width: 960px) { .ihht-page .ihht-proof { padding: 52px 0; } .proof-list li { padding: 14px 0; } }
.proof-list li { align-items: center; }
/* --- IHHT page: story order backgrounds --- */
.ihht-page #session.section-light { background: var(--color-white); }
.ihht-page #benefits.section-tint { background: #f1f3fa; }
.ihht-page #why-cybcure .sec-intro { max-width: none; }
/* --- IHHT page: How it works, text and steps start together under the heading --- */
.ihht-page #how .how-text p:first-child { margin-top: 0; }
@media (min-width: 960px) { .ihht-page #how .how-grid { align-items: start; } }
.ihht-page #how .how-grid { margin-top: 0; }
.ihht-page #how .how-text h2 + p { margin-top: 14px; }
@media (min-width: 960px) { .ihht-page #how .cycle-steps li:first-child { padding-top: 6px; } }
@media (min-width: 960px) { .proof-layout { align-items: start; } .proof-list { margin-top: 14px; } }
/* --- IHHT page: bigger, clearer benefit icons --- */
.b-card { grid-template-columns: 52px 1fr; gap: 2px 18px; }
.b-icon { background: #e8ecfb; border-radius: 50%; height: 52px; justify-content: center; width: 52px; }
.b-icon svg { height: 26px; stroke-width: 1.9; width: 26px; }
.b-card h3 { margin-top: 12px; }
/* --- IHHT page: benefit icons without circles --- */
.ihht-page #benefits .b-icon { background: none; box-shadow: none; border-radius: 0; height: 34px; justify-content: flex-start; width: 34px; }
.ihht-page #benefits .b-icon svg { height: 30px; stroke-width: 1.8; width: 30px; }
.ihht-page #benefits .b-card { grid-template-columns: 34px 1fr; gap: 2px 16px; }
.ihht-page #benefits .b-card h3 { margin-top: 4px; }
/* --- IHHT page: Cybcure list across two columns; booking anchor --- */
@media (min-width: 768px) {
  .plain-list--cols { column-gap: 56px; columns: 2; max-width: none; }
  .plain-list--cols li { break-inside: avoid; }
  .plain-list--cols li:first-child { border-top: 1px solid var(--color-line); }
}
#book-visit { scroll-margin-top: 110px; }
/* --- Device pages (chamber, robot): same calm system as the IHHT page --- */
.device-page .plain-list li strong { color: var(--color-accent-deep); font-weight: 600; }
.modes--three { border-top: 0; margin-top: 22px; padding-top: 0; }
@media (min-width: 960px) { .modes--three { grid-template-columns: repeat(3, 1fr); } }
/* --- IHHT / device pages: navy closing band (site signature) + safety strip --- */
.cta-block--dual .cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.cta-block--dual .button { height: 44px; padding: 0 28px; }
.cta-block .button.button-outline { background: transparent; border: 1px solid rgba(255,255,255,.6); color: var(--color-white); }
.cta-block .button.button-outline:hover { background: rgba(255,255,255,.12); color: var(--color-white); }
.safety-strip { background: var(--color-page); border-top: 1px solid var(--color-line); padding: 18px 0 20px; }
.safety-strip p { color: var(--color-muted); font-size: 13px; line-height: 20px; margin: 0 auto; max-width: 900px; text-align: center; }
.safety-strip strong { color: var(--color-text); font-weight: 600; }
/* --- Device heroes: key facts as a quiet dotted line (not pills) --- */
.hero-facts { color: #c3cbe3; font-size: 15px; letter-spacing: .02em; line-height: 24px; margin-top: 18px; }

.ihht-hero .hero-facts + .hero-actions { margin-top: 30px; }
.hero-facts { display: flex; flex-wrap: wrap; align-items: center; row-gap: 4px; }
.hero-facts .fact { white-space: nowrap; }
.hero-facts .dot { background: #22c3d6; border-radius: 50%; display: inline-block; height: 5px; margin: 0 12px; width: 5px; }
/* =====================================================================
   PHONES ONLY: compact layout for the IHHT, Oxygen Chamber and Healing Robot pages
   ===================================================================== */
.faq-more { display: none; }
@media (max-width: 767px) {
  .faq--extra { display: none; }
  .faq-more-toggle:checked ~ .faq--extra { display: block; }
  .faq-more { color: var(--color-accent); cursor: pointer; display: inline-block; font-family: var(--font-serif); font-size: 15px; letter-spacing: .06em; margin-top: 16px; text-transform: uppercase; }
  .faq-more::after { content: " +"; }
  .faq-more-toggle:checked ~ .faq-more { display: none; }
  .faq-layout .faq summary { font-size: 17px; padding: 14px 2px; }

  .ihht-page .section, .ihht-page #benefits, .ihht-page #session, .ihht-page #why-cybcure { padding: 26px 0; }
  .ihht-page .ihht-proof { padding: 30px 0; }
  .ihht-page .section h2 { font-size: 26px; }
  .ihht-page .how-text p, .ihht-page .sec-intro { font-size: 16px; line-height: 25px; }
  .ihht-page .cycle-steps li { padding: 12px 0; }
  .ihht-page .how-grid { gap: 20px; }

  .ihht-hero { padding: 22px 0 30px; }
  .ihht-hero-grid { gap: 18px; }
  .ihht-hero-fig { order: -1; }
  .ihht-hero-fig img { aspect-ratio: 16 / 9; object-fit: cover; }
  .ihht-hero h1 { font-size: 32px; }
  .ihht-hero .lead { font-size: 17px; line-height: 26px; margin-top: 12px; }
  .ihht-hero .hero-actions { margin-top: 20px; }

  .ihht-page .s-steps { gap: 18px 16px; grid-template-columns: 1fr 1fr; margin-top: 18px; }
  .ihht-page .s-steps h3 { font-size: 17px; }
  .ihht-page .s-steps p { font-size: 14px; line-height: 21px; }
  .ihht-page #benefits .b-grid { gap: 22px 16px; grid-template-columns: 1fr 1fr; margin-top: 18px; }
  .ihht-page #benefits .b-card { display: block; }
  .ihht-page #benefits .b-icon { height: 28px; width: 28px; }
  .ihht-page #benefits .b-icon svg { height: 26px; width: 26px; }
  .ihht-page #benefits .b-card h3 { font-size: 16px; line-height: 1.3; margin-top: 8px; }
  .ihht-page #benefits .b-card p { font-size: 14px; line-height: 21px; margin-top: 4px; }
  .ihht-page .modes { gap: 16px; margin-top: 20px; padding-top: 16px; }
  .ihht-page .mode-card h3 { font-size: 18px; }

  .proof-list li { padding: 10px 0; }
  .proof-list strong { font-size: 28px; }
  .plain-list li { font-size: 15px; line-height: 23px; padding: 9px 0 9px 28px; }

  .modes--three { gap: 14px; }
  .modes--three .mode-card p:not(.more-kicker) { font-size: 14px; line-height: 21px; }
}
@media (max-width: 767px) {
  .ihht-hero .hero-actions { flex-wrap: nowrap; gap: 10px; }
  .ihht-hero .hero-actions .button { flex: 1 1 0; font-size: 13px; height: 42px; min-width: 0; padding: 0 10px; }
}
/* --- IHHT page: brochure imagery, timeline and specifications --- */
.cycle-photo { border-radius: 16px; margin: 36px 0 0; overflow: hidden; position: relative; }
.cycle-photo img { display: block; height: auto; width: 100%; }
.cycle-photo figcaption { display: grid; grid-template-columns: 1fr 1fr; inset: auto 0 0 0; position: absolute; }
.cycle-photo figcaption span { background: linear-gradient(0deg, rgba(10,16,48,.6), transparent); color: #fff; font-size: 15px; padding: 40px 24px 18px; }
.cycle-photo figcaption b { display: block; font-family: var(--font-serif); font-size: 20px; font-weight: 400; }
.session-grid { display: grid; gap: 24px 48px; margin-top: 26px; }
.session-photo { margin: 0; }
.session-photo img { border-radius: 16px; display: block; height: auto; width: 100%; }
.session-grid .s-steps { margin-top: 0; }
@media (min-width: 960px) {
  .session-grid { align-items: center; }
  .session-grid .s-steps { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 767px) {
  .cycle-photo { margin-top: 24px; }
  .cycle-photo figcaption span { font-size: 13px; padding: 30px 12px 12px; }
  .cycle-photo figcaption b { font-size: 16px; }
}
/* --- Technology IHHT: real photo replaces the mountain illustration --- */
.journey-photo { margin: 0; overflow: hidden; position: relative; }
.journey-photo img { display: block; height: 100%; object-fit: cover; width: 100%; }
.journey-photo figcaption { display: grid; grid-template-columns: 1fr 1fr; inset: auto 0 0 0; position: absolute; }
.journey-photo figcaption span { background: linear-gradient(0deg, rgba(10,16,48,.62), transparent); color: #fff; font-size: 14px; padding: 36px 18px 14px; }
.journey-photo figcaption b { display: block; font-family: var(--font-serif); font-size: 18px; font-weight: 400; }
@media (max-width: 767px) { .journey-photo { aspect-ratio: 16 / 9; height: auto !important; } .journey-photo figcaption span { font-size: 12px; padding: 24px 10px 10px; } .journey-photo figcaption b { font-size: 15px; } }
/* --- IHHT page: smaller supporting images --- */
.cycle-photo img { aspect-ratio: 4 / 1; object-fit: cover; object-position: center 60%; }
@media (min-width: 960px) { .session-grid { grid-template-columns: 4fr 8fr; } .session-photo img { aspect-ratio: 4 / 3; object-fit: cover; } }
@media (max-width: 767px) { .cycle-photo img { aspect-ratio: 16 / 7; } .session-photo img { aspect-ratio: 16 / 9; object-fit: cover; object-position: center 40%; } }
.journey-summit img { object-position: center 35%; }
/* --- IHHT "Your session" and robot "Three modules": tighter; session photo matches the steps' height --- */
@media (min-width: 960px) {
  .session-grid { align-items: stretch; gap: 20px 40px; margin-top: 20px; }
  .session-grid .s-steps { align-content: start; gap: 16px 36px; }
  .session-grid .s-steps li { padding-top: 10px; }
  .session-grid .s-steps h3 { margin-top: 2px; }
  .session-grid .s-steps p { margin-top: 4px; }
  .session-photo { min-height: 220px; position: relative; }
  .session-photo img { aspect-ratio: auto; height: 100%; inset: 0; object-position: center 45%; position: absolute; }
  .ihht-page #session .modes { margin-top: 18px; padding-top: 14px; }
}
.ihht-page .mode-card h3 { margin-top: 2px; }
.ihht-page .mode-card p:not(.more-kicker) { margin-top: 4px; }
.ihht-page .modes--three { margin-top: 14px; padding-top: 0; }
@media (min-width: 960px) { .ihht-page #modules { padding-bottom: 26px; } .modes--three { gap: 20px 40px; } }
/* --- IHHT science: Russia origin line, styled like the page's quote (light version for the dark band) --- */
.proof-origin { border-left: 3px solid #c3cbe3; margin-top: 22px; padding-left: 18px; }
.proof-origin strong { color: #fff; display: block; font-family: var(--font-serif); font-size: clamp(19px, 2vw, 22px); font-weight: 400; line-height: 1.4; margin-bottom: 4px; }
@media (min-width: 960px) { .proof-list { margin-top: 38px; } }
/* --- CN IHHT: approved intro line above the two modes (the line moves above the intro) --- */
.modes-intro { border-top: 1px solid #d9dff0; color: var(--color-muted); font-size: 15px; line-height: 1.7; margin: 20px 0 0; padding-top: 16px; }
.ihht-page #session .modes-intro + .modes, .modes-intro + .modes { border-top: 0; margin-top: 10px; padding-top: 0; }
/* --- IHHT: number circles centred on the first line of each step title; science figures sit on the same line as their title --- */
.cs-num { line-height: 1; margin-top: calc((19px * 1.3 - 34px) / 2); }
.proof-list li { align-items: baseline; }
@media (min-width: 960px) { .proof-list { margin-top: 55px; } }
/* --- Home: light closing section so it reads separately from the dark numbers band above --- */
.cta-block--light { background: var(--color-white); color: var(--color-text); padding: 56px 24px 60px; }
.cta-block--light .eyebrow { color: var(--color-accent); }
.cta-block--light h2 { color: var(--color-text); }
.cta-block--light p:not(.eyebrow) { color: var(--color-muted); }
.cta-block--light .button { background: var(--color-accent-deep); color: var(--color-white); }
.cta-block--light .button:hover { background: var(--color-accent); color: var(--color-white); }
/* --- Laptop navigation: links across the top with dividers (like the footer); menu button only below 1100px --- */
@media (min-width: 1100px) {
  .site-header { gap: 28px; }
  .main-nav { background: transparent; border: 0; bottom: auto; box-shadow: none; flex: 1; flex-direction: row; align-items: center; justify-content: flex-end; left: auto; opacity: 1; order: 1; overflow: visible; padding: 0; position: static; right: auto; top: auto; transform: none; transition: none; visibility: visible; width: auto; }
  .menu-toggle { order: 2; }
  .main-nav a { border: 0; color: var(--color-text); font-family: var(--font-ui); font-size: 14px; font-weight: 500; letter-spacing: .08em; line-height: 1; padding: 8px 16px; white-space: nowrap; }
  .main-nav a:not(.nav-lang):not(.nav-cta) + a:not(.nav-lang):not(.nav-cta)::before { color: #b9bfd0; content: "|"; font-weight: 300; left: -2px; position: relative; margin-left: -18px; margin-right: 14px; }
  .main-nav a[aria-current="page"] { color: var(--color-accent); }
  .main-nav .nav-lang { border-left: 1px solid var(--color-line); color: var(--color-muted); font-size: 14px; letter-spacing: .04em; margin: 0 4px 0 12px; padding-left: 20px; }
  .main-nav .nav-cta { align-self: center; font-size: 13px; height: 40px; letter-spacing: .08em; margin: 0 0 0 8px; padding: 0 22px; }
  :lang(zh) .main-nav a { font-size: 15px; letter-spacing: .1em; }
  .home-page .site-header:not(.is-scrolled):not(.menu-open) .main-nav a:not(.nav-cta) { color: rgba(255,255,255,.88); }
  .home-page .site-header:not(.is-scrolled):not(.menu-open) .main-nav a[aria-current="page"] { color: #fff; }
  .home-page .site-header:not(.is-scrolled):not(.menu-open) .main-nav .nav-lang { border-left-color: rgba(255,255,255,.3); }
  .home-page .site-header:not(.is-scrolled):not(.menu-open) .main-nav a + a::before { color: rgba(255,255,255,.4); }
  .home-page .site-header:not(.is-scrolled):not(.menu-open) .main-nav .nav-cta { background: #fff; color: var(--color-accent-deep); }
  .menu-toggle, .nav-backdrop { display: none; }
}

/* ===== Spacing review (9 Oct 2026): keep gaps between sections in line with section--tight (~60px mobile / ~76px desktop) ===== */
/* Technology: IHHT intro block bottom padding matched to tight sections */
.ihht-lead { padding-bottom: 30px; }
@media (min-width: 1024px) { .ihht-lead { padding-bottom: 38px; } }
/* Home: closing light CTA uses the same padding as the other CTA blocks */
.cta-block--light { padding: 40px 24px 44px; }
/* About (CN): subtitle with no kicker above it should not add extra top space */
.about-grid > div > .about-subtitle:first-child { margin-top: 0; }
/* IHHT: dark science band matched to the neighbouring sections on desktop */
@media (min-width: 960px) { .ihht-page .ihht-proof { padding: 40px 0; } }
/* Brands: remove the extra item padding at the top and bottom of the four-brand intro */
.brand-showcase-item:first-child { padding-top: 0; }
.brand-showcase-item:last-child { padding-bottom: 0; }
@media (min-width: 640px) and (max-width: 959px) {
  .brand-showcase-item:nth-child(-n+2) { padding-top: 0; }
  .brand-showcase-item:nth-last-child(-n+2) { padding-bottom: 0; }
}
@media (min-width: 960px) {
  .brand-showcase-item, .brand-showcase-item:first-child, .brand-showcase-item:last-child { padding-bottom: 0; padding-top: 0; }
  .brand-showcase-item:not(:last-child)::after { bottom: 22px; top: 40px; }
}

/* IHHT session photo (portrait): crop to landscape on tablets so it does not run very tall */
@media (min-width: 768px) and (max-width: 959px) { .session-photo img { aspect-ratio: 16 / 9; object-fit: cover; object-position: center 40%; } }