:root {
  --navy: #294174;
  --navy-2: #1f3566;
  --ink: #152033;
  --muted: #657087;
  --paper: #fbfaf7;
  --ice: #f0f4f8;
  --silver: #dbe2ea;
  --line: rgba(41, 65, 116, 0.15);
  --white: #fff;
  --soft-gold: #ead8ad;
  --radius: 28px;
  --display-heading-size: clamp(17px, 5.9vw, 56px);
  --serif: "Iowan Old Style", "Baskerville", "Times New Roman", "Noto Serif TC", serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang TC", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  --shadow: 0 30px 80px rgba(7, 26, 56, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
section[id] { scroll-margin-top: 78px; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
body.nav-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); }

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 8px;
  left: 8px;
  padding: 10px 14px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
  transform: translateY(-140%);
}
.skip-link:focus { transform: translateY(0); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 78px;
  padding: 12px clamp(20px, 5vw, 76px);
  color: var(--ink);
  border-bottom: 1px solid transparent;
  transition: background .3s ease, color .3s ease, border-color .3s ease, box-shadow .3s ease, backdrop-filter .3s ease;
}
.site-header.scrolled {
  color: var(--navy);
  background: rgba(241, 244, 249, .94);
  border-bottom-color: rgba(41, 65, 116, .16);
  box-shadow: 0 5px 16px rgba(41, 65, 116, .06);
  -webkit-backdrop-filter: blur(16px) saturate(115%);
  backdrop-filter: blur(16px) saturate(115%);
}
.brand { display: inline-flex; align-items: center; gap: 12px; letter-spacing: .16em; }
.brand img { width: 46px; height: 46px; padding: 6px; border-radius: 50%; background: var(--navy); object-fit: contain; }
.brand strong { display: block; font-family: var(--serif); font-size: 18px; font-weight: 500; }
.brand small { display: block; font-size: 8px; letter-spacing: .24em; }
.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }
.site-nav > a { position: relative; }
.site-nav > a:not(.nav-cta)::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -6px;
  height: 1px;
  background: var(--navy);
  transition: right .25s ease;
}
.site-nav > a:hover::after { right: 0; }
.nav-cta { padding: 10px 18px; color: white; background: var(--navy); border-radius: 999px; }
.site-nav .nav-brand-home { display: none; width: min(100%, 20rem); min-height: 60px; align-items: center; justify-content: center; padding: .9rem 1.35rem; color: var(--soft-gold); border: 1.5px solid currentColor; text-align: center; font-family: var(--sans); font-size: 1.15rem; font-weight: 800; line-height: 1.2; letter-spacing: .08em; }
.site-nav .nav-brand-home::after { display: none; }
.nav-toggle { position: relative; z-index: 102; display: none; min-width: 44px; min-height: 44px; padding: .55rem; color: inherit; border: 0; background: transparent; cursor: pointer; touch-action: manipulation; }
.nav-toggle > span:not(.sr-only) { display: block; width: 25px; height: 1px; margin: 5px 0; background: currentColor; transition: transform .25s ease, opacity .2s ease; }
.nav-toggle[aria-expanded="true"] > span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] > span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] > span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr);
  align-items: center;
  gap: clamp(42px, 6vw, 100px);
  overflow: hidden;
  padding: 124px clamp(24px, 7vw, 110px) 70px;
  background:
    radial-gradient(circle at 78% 20%, rgba(177, 202, 229, .38), transparent 30%),
    linear-gradient(135deg, #fcfbf8 10%, #eef3f7 100%);
}
.aurora {
  position: absolute;
  top: -20%;
  right: 5%;
  width: min(52vw, 760px);
  aspect-ratio: 1;
  border-radius: 45% 55% 60% 40%;
  background: conic-gradient(from 40deg, rgba(23, 56, 106, .12), rgba(211, 229, 238, .6), rgba(217, 193, 203, .28), rgba(23, 56, 106, .12));
  filter: blur(44px);
  animation: drift 12s ease-in-out infinite alternate;
}
@keyframes drift { to { transform: translate(-5%, 9%) rotate(18deg) scale(1.06); } }
.hero-copy, .hero-visual { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 18px; color: #4c6382; font-size: 12px; font-weight: 650; letter-spacing: .22em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; line-height: 1.12; }
h1 { max-width: none; font-family: var(--serif); font-size: clamp(32px, 2.7vw, 68px); font-weight: 500; letter-spacing: -.1em; }
.hero h1 { white-space: nowrap; }
.hero-title-break { display: none; }
.hero-lead { max-width: 630px; margin: 30px 0 34px; color: #48566c; font-size: clamp(17px, 1.45vw, 21px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.button { display: inline-flex; min-height: 50px; align-items: center; justify-content: center; padding: 13px 22px; border-radius: 999px; font-size: 14px; font-weight: 650; transition: transform .25s ease, box-shadow .25s ease, background .25s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { color: var(--white); background: var(--navy); box-shadow: 0 14px 32px rgba(7, 26, 56, .18); }
.button-primary:hover { background: var(--navy-2); }
.button-ghost { border: 1px solid rgba(7, 26, 56, .25); }
.button-light { color: var(--navy); background: white; }
.button.full { width: 100%; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 26px; margin: 32px 0 0; padding: 0; list-style: none; color: #657087; font-size: 13px; }
.hero-points li::before { content: ""; display: inline-block; width: 5px; height: 5px; margin: 0 8px 2px 0; border-radius: 50%; background: #8fa6bd; }
.hero-visual { display: grid; justify-items: end; }
.hero-frame {
  width: min(100%, 700px);
  aspect-ratio: 1;
  overflow: hidden;
  border-radius: clamp(24px, 3vw, 48px);
  background: white;
  box-shadow: var(--shadow);
}
.hero-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform: scale(1);
  transform-origin: center;
  transition: transform .8s cubic-bezier(.2,.8,.2,1);
}
.hero-frame:hover img { transform: scale(1.015); }
.statement { padding: clamp(72px, 8vw, 110px) 24px; color: white; background: var(--navy); text-align: center; }
.statement p { max-width: 1050px; margin: 0 auto; font-family: var(--serif); font-size: var(--display-heading-size); line-height: 1.45; letter-spacing: -.08em; }

.section { padding: clamp(72px, 8vw, 120px) clamp(24px, 7vw, 110px); }
.section-heading { max-width: 780px; margin-bottom: 48px; }
.section-heading.compact { max-width: 650px; }
.section-heading h2, .story-copy h2, .final-cta h2 { font-family: var(--serif); font-size: var(--display-heading-size); font-weight: 500; letter-spacing: -.08em; }
.shade-section .section-heading.compact { max-width: 900px; }
.shade-title { white-space: nowrap; }
.shade-title span { display: block; width: max-content; max-width: 100%; }
.section-heading > p:last-child { color: var(--muted); font-size: 18px; }
.section-heading .market-status { width: fit-content; margin-top: 18px; padding: 8px 12px; color: #36507f; background: #eaf0f8; border-radius: 10px; font-size: 14px; }
.feature { background: white; }
.feature-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(340px, .85fr); align-items: stretch; gap: 28px; }
.media-card { min-height: 650px; margin: 0; overflow: hidden; border-radius: var(--radius); background: #eef2f6; }
.media-card img { width: 100%; height: 100%; object-fit: cover; }
.offer-panel { display: flex; flex-direction: column; justify-content: center; padding: clamp(28px, 4vw, 58px); border: 1px solid var(--line); border-radius: var(--radius); background: var(--paper); }
.price-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; padding-bottom: 30px; border-bottom: 1px solid var(--line); }
.price-row span { display: block; color: var(--muted); font-size: 13px; }
.price-row strong { display: block; margin-top: 6px; color: var(--navy); font-family: var(--serif); font-size: 28px; }
.offer-copy { margin: 24px 0; color: #48566c; }
.offer-copy p { margin: 8px 0; }
.launch-status { margin: 0 0 24px; padding: 13px 15px; color: #36507f; background: #eaf0f8; border: 1px solid rgba(41,65,116,.15); border-radius: 14px; font-size: 14px; }
.button.is-disabled { cursor: not-allowed; opacity: .64; box-shadow: none; }
.button.is-disabled:hover { transform: none; background: var(--navy); }
.offer-line { align-self: center; margin-top: 16px; }

.shade-section { background: linear-gradient(180deg, var(--paper), #edf2f7); }
.shade-layout { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(340px, .9fr); gap: 44px; align-items: center; }
.shade-image { margin: 0; overflow: hidden; border-radius: var(--radius); box-shadow: var(--shadow); }
.shade-image img { width: 100%; height: auto; aspect-ratio: 1284 / 1225; object-fit: contain; }
.shade-list { display: grid; gap: 8px; }
.shade { display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 16px; width: 100%; padding: 16px 18px; color: inherit; border: 1px solid var(--line); border-radius: 15px; background: rgba(255,255,255,.72); text-align: left; }
.shade > span { width: 34px; height: 34px; border: 1px solid rgba(0,0,0,.08); border-radius: 50%; background: var(--shade); box-shadow: inset 8px 8px 16px rgba(255,255,255,.34); }
.shade strong { font-size: 16px; }
.shade small { color: var(--muted); }
.text-link { display: inline-block; width: fit-content; margin-top: 22px; padding-bottom: 4px; color: var(--navy); border-bottom: 1px solid currentColor; font-size: 14px; font-weight: 650; }
.text-link.light { color: white; }

.products { background: #f8f8f6; }
.product-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product-card { overflow: hidden; border-radius: var(--radius); background: white; box-shadow: 0 20px 55px rgba(7,26,56,.07); }
.product-card.large { grid-row: span 2; }
.product-card img { width: 100%; height: auto; aspect-ratio: 1.2 / 1; padding: clamp(10px, 2vw, 24px); object-fit: contain; background: #f8fafc; }
.product-card.large img { aspect-ratio: 16 / 9; padding: 0; object-fit: cover; object-position: center 43%; }
.product-card > div { padding: 28px 30px 32px; }
.product-card h3 { font-family: var(--serif); font-size: 30px; font-weight: 500; }
.product-card > div > p:not(.eyebrow) { color: var(--muted); }
.product-card strong { color: var(--navy); font-family: var(--serif); font-size: 24px; }

.brand-story { display: grid; grid-template-columns: 1.2fr .8fr; gap: clamp(50px, 9vw, 130px); color: white; background: var(--navy); }
.story-copy > p:not(.eyebrow) { max-width: 700px; color: #c9d4e0; font-size: 18px; }
.story-metrics { display: grid; align-content: center; gap: 0; }
.story-metrics div { display: grid; gap: 3px; padding: 18px 0; border-bottom: 1px solid rgba(255,255,255,.15); }
.story-metrics strong { width: max-content; max-width: 100%; display: inline-flex; flex-wrap: nowrap; align-items: baseline; color: var(--soft-gold); font-family: var(--serif); font-size: clamp(40px, 5vw, 68px); font-weight: 500; line-height: 1; white-space: nowrap; }
.story-metrics .count-up-value { display: inline-block; color: inherit; font-size: 1em; font-variant-numeric: tabular-nums; }
.story-metrics .count-suffix { color: inherit; font-size: .52em; }
.count-up.is-counting .count-up-value { animation: count-focus 1.45s cubic-bezier(.22,.61,.36,1) both; }
.story-metrics span { color: #aabbd0; }

@keyframes count-focus {
  0% { opacity: .3; filter: blur(8px); transform: translateY(.18em) scale(.96); }
  58% { opacity: 1; filter: blur(1.5px); transform: translateY(-.035em) scale(1.025); }
  100% { opacity: 1; filter: blur(0); transform: translateY(0) scale(1); }
}

.faq { background: white; }
.faq-list { max-width: 960px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; padding: 24px 4px; font-size: 18px; font-weight: 650; cursor: pointer; list-style: none; }
.faq summary::after { content: "+"; font-size: 24px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq details p { max-width: 760px; margin: -4px 0 26px; color: var(--muted); }

.final-cta { padding: clamp(72px, 8vw, 110px) 24px; color: white; background: linear-gradient(135deg, #112d58, #06162e); text-align: center; }
.final-cta > div { max-width: 840px; margin: 0 auto; }
.final-cta h2 { margin-bottom: 30px; }

footer { display: grid; grid-template-columns: 1fr auto auto; align-items: end; gap: 40px; padding: 50px clamp(24px, 7vw, 110px); color: #9eacbe; background: #041129; }
footer strong { color: white; font-family: var(--serif); letter-spacing: .13em; }
footer p { margin: 3px 0 0; font-size: 8px; letter-spacing: .2em; }
.footer-links { display: flex; gap: 20px; color: white; font-size: 13px; }
footer small { font-size: 11px; }

.legal-page { min-height: 100svh; padding: clamp(32px, 7vw, 90px) 24px; background: linear-gradient(145deg, #eef3f8, var(--paper)); }
.legal-back { margin: 0 auto 28px; }
.legal-card { max-width: 850px; margin: 0 auto; padding: clamp(30px, 6vw, 72px); background: white; border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.legal-card h1 { margin-bottom: 32px; color: var(--navy); font-family: var(--serif); font-size: clamp(42px, 7vw, 72px); font-weight: 500; }
.legal-card h2 { margin: 34px 0 8px; color: var(--navy); font-family: var(--serif); font-size: 26px; font-weight: 500; }
.legal-card p { color: var(--muted); font-size: 16px; }
.legal-card a { color: var(--navy); text-decoration: underline; text-underline-offset: 3px; }
.legal-card .legal-updated { margin-top: 44px; font-size: 14px; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.8,.2,1); }
.js .reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-delay { transition-delay: .12s; }

@media (min-width: 981px) {
  .hero h1 {
    font-size: clamp(27px, 2.55vw, 60px);
    letter-spacing: -.07em;
  }

  .section {
    padding-top: clamp(56px, 6vh, 82px);
    padding-bottom: clamp(56px, 6vh, 82px);
  }

  .section-heading { margin-bottom: 32px; }

  .feature-grid {
    height: clamp(420px, calc(100svh - 380px), 650px);
    min-height: min-content;
  }
  .feature .media-card {
    height: 100%;
    min-height: 0;
  }
  .feature .media-card img {
    height: 100%;
    object-position: center 72%;
  }
  .offer-panel {
    min-height: 0;
    padding: clamp(24px, 2.4vw, 44px);
  }
  .offer-copy { margin: 18px 0; }
  .launch-status { margin-bottom: 18px; }

  .shade-layout {
    grid-template-columns: minmax(0, 1fr) minmax(420px, .85fr);
    min-height: 0;
  }
  .shade-image {
    width: min(100%, 580px);
    aspect-ratio: 1284 / 1225;
    justify-self: center;
  }
  .shade-image img {
    width: 100%;
    height: 100%;
    aspect-ratio: auto;
    object-fit: contain;
  }
  .shade-list {
    width: 100%;
    max-width: 720px;
    align-content: center;
    justify-self: center;
  }
  .shade { padding: 13px 16px; }

  .products .section-heading { margin-bottom: 28px; }
  .product-grid {
    height: clamp(420px, calc(100svh - 480px), 700px);
    min-height: min-content;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    grid-template-rows: repeat(2, minmax(min-content, 1fr));
  }
  .product-card { min-height: 0; }
  .product-card.large {
    display: grid;
    grid-row: 1 / span 2;
    grid-template-rows: minmax(0, 1fr) auto;
  }
  .product-card.large img {
    height: 100%;
    min-height: 0;
    aspect-ratio: auto;
    object-position: center 32%;
  }
  .product-card:not(.large) {
    display: grid;
    grid-template-columns: 43% minmax(0, 1fr);
    align-items: stretch;
  }
  .product-card:not(.large) img {
    width: 100%;
    height: 100%;
    min-width: 0;
    min-height: 0;
    aspect-ratio: auto;
    padding: 12px;
    object-fit: contain;
  }
  .product-card > div {
    min-width: 0;
    padding: 20px 24px 22px;
  }
  .product-card:not(.large) > div {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .product-card h3 { font-size: 27px; }
  .product-card > div > p:not(.eyebrow) { margin: 8px 0; }

  .brand-story,
  .faq {
    min-height: min(calc(100svh - 78px), 760px);
    align-content: center;
  }
}

@media (min-width: 1280px) and (max-height: 1100px) {
  .section {
    padding-top: clamp(48px, 5vh, 60px);
    padding-bottom: clamp(48px, 5vh, 60px);
  }
  .feature-grid {
    height: clamp(360px, calc(100svh - 390px), 650px);
    min-height: min-content;
  }
  .shade-image {
    width: min(100%, clamp(300px, calc(100svh - 470px), 580px));
  }
  .product-grid {
    height: clamp(360px, calc(100svh - 490px), 620px);
    min-height: min-content;
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr) minmax(0, .9fr);
    grid-template-rows: minmax(0, 1fr);
  }
  .product-card.large { grid-row: auto; }
  .product-card:not(.large) {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(0, 1fr) auto;
  }
  .product-card > div { padding: 16px 18px 18px; }
}

@media (max-width: 980px) {
  .site-header { min-height: 70px; }
  .nav-toggle { display: block; }
  .js .site-nav { position: fixed; inset: 0; z-index: 101; width: 100vw; height: 100svh; display: flex; flex-direction: column; align-items: flex-start; justify-content: flex-start; gap: 1.4rem; padding-block: max(5.25rem, env(safe-area-inset-top)) max(2rem, env(safe-area-inset-bottom)); padding-inline: clamp(1.5rem, 12vw, 8rem); color: white; background: var(--navy); visibility: hidden; opacity: 0; pointer-events: none; overflow-y: auto; transform: translateX(100%); transition: transform .3s ease, opacity .22s ease, visibility 0s linear .3s; }
  .js .site-nav.open { visibility: visible; opacity: 1; pointer-events: auto; transform: translateX(0); transition-delay: 0s; }
  .js .site-nav a { padding: 0; font-family: var(--serif); font-size: 2rem; line-height: 1.15; letter-spacing: 0; }
  .js .site-nav .nav-cta { margin: 0; color: inherit; background: transparent; border-radius: 0; text-align: left; }
  .js .site-nav .nav-brand-home { display: inline-flex; font-family: var(--sans); font-size: 1.15rem; }
  body.nav-open .nav-toggle { color: white; }
  .hero { min-height: auto; grid-template-columns: 1fr; padding-top: 130px; }
  .hero-copy { max-width: 760px; }
  .hero-visual { justify-items: center; }
  .hero-frame {
    width: min(100%, 680px);
    height: auto;
    aspect-ratio: 1;
    border-radius: clamp(42px, 12vw, 92px);
  }
  .hero-frame img {
    object-fit: contain;
    object-position: center;
    transform: none;
    transform-origin: center;
  }
  .hero-frame:hover img { transform: none; }
  .hero h1 { font-size: clamp(36px, 10vw, 52px); line-height: 1.12; white-space: normal; }
  .hero-title-break { display: initial; }
  .hero-title-indent { display: inline-block; padding-left: 1em; white-space: nowrap; }
  .feature-grid, .shade-layout, .brand-story { grid-template-columns: 1fr; }
  .media-card { min-height: 520px; }
  .story-metrics { grid-template-columns: repeat(3, 1fr); }
  footer { grid-template-columns: 1fr; align-items: start; }
  html:not(.js) .nav-toggle { display: none; }
  html:not(.js) .site-nav { position: static; display: flex; flex-direction: row; flex-wrap: wrap; padding: 0; border: 0; box-shadow: none; background: transparent; }
}

@media (max-width: 680px) {
  .brand img { width: 40px; height: 40px; }
  .brand strong { font-size: 15px; }
  .brand small { font-size: 6px; }
  .hero { gap: 32px; padding: 108px 20px 56px; }
  .hero-frame { width: 100%; height: auto; }
  h1 { font-size: var(--display-heading-size); }
  .hero-lead { margin: 20px 0 24px; }
  .hero-points { margin-top: 24px; }
  .hero-actions .button { width: 100%; }
  .statement { padding: 64px 20px; }
  .section { padding: 64px 20px; }
  .section-heading { margin-bottom: 36px; }
  .shade-section.section { padding-left: 12px; padding-right: 12px; }
  .feature-grid { gap: 16px; }
  .media-card { min-height: auto; aspect-ratio: 1/1.2; }
  .price-row { grid-template-columns: 1fr; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card.large { grid-row: auto; }
  .products .section-heading { margin-bottom: 28px; }
  .product-grid { gap: 18px; }
  .product-card > div { padding: 22px 24px 26px; }
  .product-card img { aspect-ratio: 4 / 3; }
  .product-card.large img { aspect-ratio: 16 / 9; }
  .brand-story { gap: 34px; }
  .story-copy > p:not(.eyebrow) { margin: 14px 0; }
  .story-metrics { grid-template-columns: 1fr; }
  .story-metrics div { padding: 16px 0; }
  .faq .section-heading { margin-bottom: 28px; }
  .faq summary { padding: 20px 4px; }
  .final-cta { padding: 72px 20px; }
  footer { gap: 24px; padding: 40px 20px; }
  .shade { grid-template-columns: 38px 1fr; }
  .shade small { grid-column: 2; }
  .footer-links { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}