:root {
  --nav-fg: #ffffff;
  --nav-fg-scroll: #171a1f;
  --bar-bg-scroll: #fff;
  --line: rgba(0,0,0,.08);
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  
  --font-nav-hk:
    "PingFang HK",
    "PingFang HK Regular",
    -apple-system,
    BlinkMacSystemFont,
    "SF Pro Text",
    "SF Pro Display",
    "PingFang TC",
    "Heiti TC",
    "Noto Sans HK",
    "Microsoft JhengHei",
    ui-sans-serif,
    sans-serif;
  
  --header-bar-min-h: 96px;
  --nav-link-fs: 22px;
  --nav-link-weight: 400; 
  --nav-item-gap: 52px; 
  --logo-max-h: 48px;
  --nav-icon-hit: 44px;
  --nav-edge-right: max(44px, env(safe-area-inset-right));
  
  --nav-edge-left: max(18px, env(safe-area-inset-left));
  
  --nav-logo-anchor-pad: 16px;
  
  --header-shell-max: 1440px;
  --header-util-h: 38px; 
}

*, *::before, *::after { box-sizing: border-box; }

body.page-home {
  margin: 0;
  font-family: var(--font);
  color: var(--nav-fg-scroll);
  padding-top: 0;
  overflow-x: hidden;
}


.home-hero-full {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  height: 100svh;
  min-height: 100vh;
  min-height: 100dvh;
  min-height: 100svh;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: linear-gradient(145deg, #1a2744 0%, #0d1829 50%, #243b55 100%);
}

.hero-carousel-layer {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.75s ease;
  pointer-events: none;
}
.hero-slide.is-active {
  opacity: 1;
  z-index: 1;
  pointer-events: auto;
}
.hero-slide img,
.hero-slide video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-carousel-empty {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.45);
  font-size: 0.95rem;
}

.hero-dots {
  position: absolute;
  bottom: max(24px, env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  display: flex;
  gap: 8px;
}
.hero-dots button {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.5);
  background: transparent;
  padding: 0;
  cursor: pointer;
}
.hero-dots button.is-active {
  background: #fff;
  border-color: #fff;
}


.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.42) 0%, rgba(0, 0, 0, 0.12) 38%, rgba(0, 0, 0, 0.38) 100%),
    radial-gradient(ellipse 80% 60% at 50% 45%, rgba(0, 0, 0, 0.15) 0%, transparent 65%);
}


.home-top-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 80;
  font-family: var(--font-nav-hk);
  background: transparent;
  pointer-events: none;
  border-bottom: 1px solid transparent;
  transition:
    background 0.35s ease,
    border-color 0.35s ease,
    box-shadow 0.35s ease,
    color 0.3s ease;
}

.home-top-nav.is-scrolled {
  background: var(--bar-bg-scroll);
  border-bottom-color: var(--line);
  box-shadow: 0 4px 20px -12px rgba(0,0,0,.12);
  pointer-events: auto;
}

.home-top-nav .nav-util-row,
.home-top-nav .home-top-nav-inner,
.home-top-nav .nav-toggle,
.home-top-nav .nav-icon-btn,
.home-top-nav a.nav-icon-btn.nav-icon-link {
  pointer-events: auto;
}


.nav-util-row {
  border-bottom: 1px solid rgba(255,255,255,.12);
  transition: border-color 0.3s ease, opacity 0.3s ease;
  min-height: var(--header-util-h);
  box-sizing: border-box;
}
.home-top-nav.is-scrolled .nav-util-row {
  border-bottom-color: rgba(0,0,0,.06);
}

.nav-util-inner {
  width: 100%;
  max-width: none;
  margin-left: 0;
  margin-right: 0;
  padding: 10px max(12px, env(safe-area-inset-right)) 10px var(--nav-edge-left);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  font-size: 0.7rem;
  line-height: 1.45;
  letter-spacing: 0.06em;
}
.nav-util-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 12px;
  justify-content: flex-end;
  row-gap: 6px;
  max-width: 100%;
  margin-left: auto;
  text-align: right;
}
.nav-util-sep {
  display: inline-block;
  width: 1px;
  height: 12px;
  background: rgba(255, 255, 255, 0.35);
  vertical-align: middle;
}
.home-top-nav.is-scrolled .nav-util-sep {
  background: rgba(0, 0, 0, 0.15);
}
.nav-util-links a {
  color: #ffffff;
  opacity: 0.92;
  text-decoration: none;
  transition: color 0.3s ease, opacity 0.2s ease;
}
.nav-util-links a:hover {
  opacity: 1;
}
.home-top-nav.is-scrolled .nav-util-links a {
  color: #171a1f;
  opacity: 0.72;
}
.home-top-nav.is-scrolled .nav-util-links a:hover {
  color: var(--nav-fg-scroll);
  opacity: 1;
}


.home-top-nav-inner {
  position: relative;
  width: 100%;
  max-width: var(--header-shell-max);
  margin-left: auto;
  margin-right: auto;
  padding: 16px var(--nav-edge-right) 16px var(--nav-edge-left);
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0;
  min-height: var(--header-bar-min-h);
  box-sizing: border-box;
}


.nav-bar-leading {
  display: flex;
  flex-direction: row;
  flex-wrap: nowrap;
  align-items: center;
  flex: 1 1 auto;
  min-width: 0;
  padding-left: var(--nav-logo-anchor-pad);
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.nav-bar-leading::-webkit-scrollbar {
  display: none;
}

.nav-logo-slot {
  position: relative;
  z-index: 4;
  display: flex;
  align-items: center;
  flex-shrink: 0;
  flex: 0 0 auto;
  margin: 0;
  max-width: min(34vw, 260px);
}
.nav-logo-slot img {
  display: block;
  max-height: var(--logo-max-h);
  width: auto;
  max-width: min(220px, 36vw);
  object-fit: contain;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,.35));
  transition: filter 0.3s ease;
}
.home-top-nav.is-scrolled .nav-logo-slot img {
  filter: none;
}

.brand-text-fallback {
  font-weight: 600;
  font-size: 1.125rem;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--nav-fg);
  text-shadow: 0 1px 3px rgba(0,0,0,.45);
  transition: color 0.3s ease, text-shadow 0.3s ease;
}
.home-top-nav.is-scrolled .brand-text-fallback {
  color: var(--nav-fg-scroll);
  text-shadow: none;
}


@media (min-width: 901px) {
  .home-top-nav .nav-main {
    display: contents;
  }
}

.home-top-nav .nav-main::-webkit-scrollbar {
  display: none;
}

.nav-actions {
  position: relative;
  z-index: 4;
  flex: 0 0 auto;
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  gap: 0;
  flex-shrink: 0;
}

.nav-actions-social {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  margin-right: 10px;
}

.nav-icon-btn,
a.nav-icon-btn.nav-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--nav-icon-hit);
  height: var(--nav-icon-hit);
  border: none;
  border-radius: 10px;
  background: transparent;
  color: var(--nav-fg);
  cursor: pointer;
  transition: color 0.3s ease, background 0.2s ease, transform 0.2s ease;
  box-sizing: border-box;
  flex-shrink: 0;
}
a.nav-icon-btn.nav-icon-link {
  text-decoration: none;
  -webkit-tap-highlight-color: transparent;
}
.nav-icon-btn:hover,
a.nav-icon-btn.nav-icon-link:hover {
  background: rgba(255,255,255,.12);
}
.home-top-nav.is-scrolled .nav-icon-btn,
.home-top-nav.is-scrolled a.nav-icon-btn.nav-icon-link {
  color: var(--nav-fg-scroll);
}
.home-top-nav.is-scrolled .nav-icon-btn:hover,
.home-top-nav.is-scrolled a.nav-icon-btn.nav-icon-link:hover {
  background: rgba(0,0,0,.06);
}

.home-top-nav .nav-main > a {
  font-family: var(--font-nav-hk);
  font-size: var(--nav-link-fs);
  font-weight: var(--nav-link-weight);
  font-synthesis: none;
  font-optical-sizing: auto;
  color: var(--nav-fg);
  text-decoration: none;
  padding: 14px 6px;
  white-space: nowrap;
  text-shadow: 0 1px 4px rgba(0,0,0,.45);
  transition: color 0.3s ease, text-shadow 0.3s ease, opacity 0.2s ease;
}
.home-top-nav .nav-main > a:hover {
  opacity: 0.9;
}
.home-top-nav.is-scrolled .nav-main > a {
  color: var(--nav-fg-scroll);
  text-shadow: none;
}

.home-top-nav .nav-toggle {
  display: none;
  width: var(--nav-icon-hit);
  height: var(--nav-icon-hit);
  border: none;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  flex-shrink: 0;
}
.home-top-nav .nav-toggle span,
.home-top-nav .nav-toggle span::before,
.home-top-nav .nav-toggle span::after {
  display: block;
  width: 20px;
  height: 2px;
  background: #fff;
  margin: 0 auto;
  position: relative;
  transition: background 0.35s ease;
}
.home-top-nav .nav-toggle span::before { content: ""; top: -6px; }
.home-top-nav .nav-toggle span::after { content: ""; top: 6px; }
.home-top-nav.is-scrolled .nav-toggle:hover {
  background: rgba(0,0,0,.06);
}
.home-top-nav.is-scrolled .nav-toggle span,
.home-top-nav.is-scrolled .nav-toggle span::before,
.home-top-nav.is-scrolled .nav-toggle span::after {
  background: var(--nav-fg-scroll);
}


@media (max-width: 1280px) and (min-width: 901px) {
  :root {
    --nav-item-gap: 40px;
    --nav-link-fs: 21px;
    --logo-max-h: 46px;
    --nav-icon-hit: 42px;
    --header-bar-min-h: 88px;
  }
}

@media (max-width: 1080px) and (min-width: 901px) {
  :root {
    --nav-item-gap: 30px;
    --nav-link-fs: 20px;
    --logo-max-h: 42px;
    --nav-icon-hit: 40px;
    --header-bar-min-h: 84px;
  }
  .nav-actions-social {
    margin-right: 8px;
  }
}

@media (max-width: 900px) {
  :root {
    --nav-edge-left: max(14px, env(safe-area-inset-left));
    --header-util-h: 34px;
  }
  .nav-util-row {
    display: block;
  }
  .nav-util-inner {
    padding-top: 6px;
    padding-bottom: 6px;
    font-size: 0.62rem;
    justify-content: flex-end;
  }
  .nav-util-links {
    justify-content: flex-end;
    row-gap: 4px;
  }
  .home-top-nav-inner {
    min-height: 64px;
    padding-top: 8px;
    padding-bottom: 8px;
  }
  .nav-bar-leading {
    flex: 1 1 auto;
    min-width: 0;
    padding-left: 0;
    overflow: visible;
  }
  .nav-logo-slot {
    max-width: 72%;
  }
  .nav-actions {
    min-width: 0;
    gap: 0;
  }
  .nav-actions-social {
    display: none;
  }
  .home-top-nav .nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  #nav-lang,
  #nav-search {
    display: none;
  }
  .home-top-nav .nav-main {
    position: fixed;
    left: auto;
    top: 0;
    right: 0;
    width: min(86vw, 320px);
    height: 100dvh;
    max-width: none;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    padding: calc(56px + env(safe-area-inset-top)) 22px 24px;
    background: rgba(15,18,24,.97);
    flex-direction: column;
    align-items: stretch;
    flex-wrap: nowrap;
    gap: 0;
    overflow-y: auto;
    overflow-x: hidden;
    border-left: 1px solid rgba(255,255,255,.1);
    z-index: 85;
    justify-content: flex-start;
    pointer-events: auto;
  }
  .home-top-nav .nav-main.open {
    transform: translateX(0);
  }
  .home-top-nav .nav-main > a {
    width: 100%;
    padding: 14px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
    white-space: normal;
    font-size: 1.375rem;
    font-family: var(--font-nav-hk);
    font-weight: 400;
    font-synthesis: none;
  }
  .home-top-nav.is-scrolled .nav-main > a {
    color: rgba(255,255,255,.92);
  }
}


main.home-below {
  position: relative;
  z-index: 2;
  background: #f4f2ed;
  padding: 48px max(16px, env(safe-area-inset-left)) 64px max(16px, env(safe-area-inset-right));
  min-height: 40vh;
}
main.home-below .container {
  max-width: 44rem;
  margin: 0 auto;
}
main.home-below h2 {
  margin: 0 0 12px;
  font-size: 1.35rem;
}
main.home-below p {
  margin: 0;
  color: #5c6370;
  line-height: 1.7;
}