:root {
  color-scheme: light;
  --ink: #171b37;
  --muted: #515974;
  --blue: #294ed3;
  --line: #e3e6f2;
  --radius: 24px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.55;
}
* { box-sizing: border-box; }
html { scroll-padding-top: 24px; }
body { margin: 0; }
a { color: var(--blue); text-underline-offset: .2em; }
a:focus-visible, summary:focus-visible { outline: 3px solid #4066e9; outline-offset: 4px; }
img { display: block; max-width: 100%; }
h1, h2, h3, p, figure { margin: 0; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; }
.shell { width: min(1160px, calc(100% - 64px)); margin-inline: auto; }
.skip-link { position: absolute; z-index: 2; top: 12px; left: 12px; padding: 8px 14px; background: #fff; transform: translateY(-180%); }
.skip-link:focus { transform: none; }
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.site-nav { min-height: 74px; display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.brand { display: inline-flex; flex-shrink: 0; align-items: center; gap: 10px; color: var(--ink); font-size: 21px; font-weight: 750; letter-spacing: -.04em; text-decoration: none; }
.brand img { flex-shrink: 0; border-radius: 10px; }
.nav-links { display: flex; align-items: center; gap: clamp(16px, 3vw, 32px); margin-inline-start: auto; }
.nav-links a { color: var(--muted); font-size: 14px; font-weight: 650; text-decoration: none; }
.nav-links a:hover { color: var(--blue); }
.nav-links .nav-download { padding: 8px 14px; color: var(--blue); border: 1px solid #d9e1ff; border-radius: 10px; background: #f3f6ff; white-space: nowrap; }
.nav-download span { margin-left: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.language-picker { position: relative; min-width: 0; }
.language-picker summary { display: flex; align-items: center; gap: 7px; min-height: 40px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 10px; list-style: none; color: var(--muted); font-size: 14px; font-weight: 650; cursor: pointer; white-space: nowrap; }
.language-picker summary::-webkit-details-marker { display: none; }
.language-picker svg { flex-shrink: 0; }
.language-name { overflow: hidden; text-overflow: ellipsis; }
.language-picker summary:hover, .language-picker[open] summary { color: var(--blue); border-color: #d9e1ff; background: #f3f6ff; }
.language-picker[open] .language-chevron { transform: rotate(180deg); }
.language-list { position: absolute; z-index: 3; inset-inline-end: 0; top: calc(100% + 8px); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2px; width: min(304px, calc(100vw - 36px)); max-height: 70vh; margin: 0; padding: 5px; overflow: auto; list-style: none; border: 1px solid var(--line); border-radius: 13px; background: #fff; box-shadow: 0 12px 36px #25295a22; }
.language-list a { display: block; padding: 7px 10px; border-radius: 8px; color: var(--ink); font-size: 14px; text-decoration: none; }
.language-list a:hover, .language-list a[aria-current="page"] { color: var(--blue); background: #eef2ff; }
.language-list a:focus-visible { outline-offset: -2px; }
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .98fr); gap: clamp(32px, 5vw, 80px); align-items: center; padding-block: clamp(48px, 7vw, 96px); }
.hero-copy { padding-bottom: 10px; }
.eyebrow { color: var(--blue); font-size: 13px; font-weight: 750; letter-spacing: .085em; text-transform: uppercase; }
.hero h1 { max-width: 11ch; margin-top: 16px; font-size: clamp(47px, 6.3vw, 82px); font-weight: 760; letter-spacing: -.066em; line-height: 1.01; }
.hero h1 span { display: block; color: var(--blue); }
html:not([lang="en"]) .hero h1 { max-width: none; font-size: clamp(36px, 4.8vw, 68px); letter-spacing: -.045em; line-height: 1.1; text-wrap: balance; }
html:is(:lang(zh), :lang(ja), :lang(ko), :lang(th)) .hero h1 { letter-spacing: 0; }
.hero-lede { max-width: 44ch; margin-top: 24px; color: var(--muted); font-size: clamp(17px, 1.6vw, 20px); }
.hero-actions { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; margin-top: 30px; }
.store-badge { display: inline-flex; border-radius: 8px; }
.store-badge img { width: 144px; height: auto; }
.localized-store { align-items: center; gap: 8px; min-height: 44px; padding: 9px 15px; border: 1px solid #171b37; background: #171b37; color: #fff; font-size: 14px; font-weight: 680; text-decoration: none; }
.localized-store:hover { background: #2d3459; }
.text-link { font-size: 14px; font-weight: 680; text-decoration: none; }
.text-link:hover { text-decoration: underline; }
.text-link span { margin-left: 4px; }
.compatibility { color: var(--muted); font-size: 13px; margin-top: 13px; }
.hero-visual {
  position: relative;
  isolation: isolate;
  display: grid;
  grid-template-rows: auto 28px;
  place-items: center;
  align-content: center;
  gap: 10px;
  padding-block: 22px 12px;
  overflow: hidden;
  border-radius: 34px;
  background: radial-gradient(ellipse at 70% 24%, #e5d8ff, transparent 62%),
    linear-gradient(135deg, #e4ecff, #f2f0ff 58%, #dce9ff);
}
.visual-rings { position: absolute; z-index: -1; width: 74%; aspect-ratio: 1; border-radius: 50%; border: 1px solid #fff9; box-shadow: 0 0 0 32px #fff3, 0 0 0 64px #fff2; }
.gallery-view { position: relative; display: grid; place-items: center; width: 100%; }
.gallery-track { display: flex; width: min(224px, calc(100% - 112px)); aspect-ratio: 660 / 1434; overflow-x: auto; overscroll-behavior-x: contain; scroll-snap-type: x mandatory; scrollbar-width: none; border-radius: 18px; background: #f2f0ff; box-shadow: 0 12px 30px #22256024; }
.gallery-track::-webkit-scrollbar { display: none; }
.gallery-slide { flex: 0 0 100%; width: 100%; height: auto; aspect-ratio: 660 / 1434; scroll-snap-align: start; }
.gallery-arrow { position: absolute; top: 50%; transform: translateY(-50%); display: grid; place-items: center; width: 44px; height: 44px; padding: 0; border: 1px solid #d9e1f9; border-radius: 50%; background: #fff; color: var(--ink); box-shadow: 0 3px 12px #22256012; cursor: pointer; }
.gallery-arrow:hover { color: var(--blue); border-color: #8996ce; }
.gallery-previous { left: max(8px, calc(50% - 174px)); }
.gallery-next { right: max(8px, calc(50% - 174px)); }
.gallery-dots { display: flex; justify-content: center; }
.gallery-arrow[hidden], .gallery-dots[hidden] { display: none; }
.gallery-dots button { display: grid; place-items: center; width: 28px; height: 28px; padding: 0; border: 0; border-radius: 50%; background: transparent; cursor: pointer; }
.gallery-dots button::before { content: ""; width: 8px; height: 8px; border-radius: 8px; background: #747eaf; }
.gallery-dots button[aria-current="true"]::before { width: 16px; background: var(--blue); }
.gallery-track:focus-visible, .gallery-arrow:focus-visible, .gallery-dots button:focus-visible { outline: 3px solid #4066e9; outline-offset: 2px; }
.section { padding-block: 56px; }
.section-heading h2 { margin-top: 7px; font-size: clamp(30px, 4vw, 46px); }
.section-heading > p:not(.eyebrow) { margin-top: 12px; color: var(--muted); font-size: 17px; }
.feature-grid, .guide-grid { display: grid; gap: 18px; margin-top: 26px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.feature { padding: 26px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.feature-icon { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; color: #244ac5; background: #e9efff; }
.feature-icon svg { width: 22px; height: 22px; }
.feature-icon-violet { color: #6439ba; background: #f0eaff; }
.feature-icon-teal { color: #0d716e; background: #e5f5f4; }
.feature h3 { margin-top: 16px; font-size: 22px; }
.feature p { margin-top: 10px; color: var(--muted); }
.guide-section { border-top: 1px solid var(--line); }
.guide-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.guide-card { display: block; padding: 30px; border-radius: var(--radius); border: 1px solid #d9e1f9; background: linear-gradient(145deg, #f6f8ff, #eaf1ff); color: var(--ink); text-decoration: none; }
.guide-card-violet { border-color: #e4daf8; background: linear-gradient(145deg, #faf8ff, #f0eaff); }
.guide-card:hover { border-color: #8996ce; }
.guide-category { display: block; color: var(--blue); font-size: 13px; font-weight: 700; }
.guide-card h3 { margin-top: 11px; font-size: clamp(23px, 2.4vw, 31px); }
.guide-card p { margin-top: 10px; color: var(--muted); }
.guide-link { display: inline-block; margin-top: 16px; color: var(--blue); font-weight: 680; }
.guide-card:hover .guide-link { text-decoration: underline; }
.faq { display: grid; grid-template-columns: minmax(210px, .56fr) minmax(0, 1fr); gap: 30px; border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); padding: 14px 0; }
.faq-list details:first-child { border-top: 1px solid var(--line); }
.faq-list summary { cursor: pointer; font-weight: 680; }
.faq-list details p { margin: 10px 0 0 17px; color: var(--muted); }
.download-banner { display: flex; justify-content: space-between; align-items: center; gap: 22px; padding: 32px; border-radius: var(--radius); background: #eef2ff; }
.download-banner h2 { font-size: clamp(26px, 3.3vw, 38px); }
.download-banner p { margin-top: 6px; color: var(--muted); }
.site-footer { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 24px; padding-block: 27px 34px; color: var(--muted); font-size: 14px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 8px 20px; }
.site-footer nav a { color: var(--muted); }
.article-shell { padding-top: 28px; }
.breadcrumbs { display: flex; flex-wrap: wrap; gap: 8px; color: var(--muted); font-size: 14px; }
.article { padding-block: 34px 54px; }
.article-heading { max-width: 880px; }
.article-heading h1 { margin-top: 12px; font-size: clamp(36px, 5.6vw, 67px); font-weight: 750; letter-spacing: -.055em; }
.article-heading > p:not(.eyebrow) { max-width: 63ch; margin-top: 18px; color: var(--muted); font-size: clamp(17px, 1.8vw, 21px); }
.article-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(190px, 310px); align-items: start; gap: clamp(25px, 5vw, 76px); margin-top: 38px; }
.article-body h2 { font-size: clamp(24px, 3vw, 32px); margin-bottom: 13px; }
.article-body p { color: var(--muted); margin-bottom: 15px; }
.walkthrough { padding-left: 22px; margin: 0 0 28px; color: var(--muted); }
.walkthrough li { padding-left: 5px; margin: 0 0 12px; }
.walkthrough strong { color: var(--ink); }
.article-figure img { width: 100%; height: auto; border: 1px solid var(--line); border-radius: var(--radius); }
.article-figure figcaption { margin-top: 8px; color: var(--muted); font-size: 13px; }
.article-cta { margin-block: 23px; padding: 19px; border-radius: 15px; background: #eef2ff; }
.article-cta p { margin-bottom: 12px; font-weight: 650; color: var(--ink); }
@media (max-width: 850px) {
  .shell { width: min(100% - 40px, 1160px); }
  .nav-links .nav-section { display: none; }
  .hero { gap: 30px; }
  .feature { padding: 20px; }
}
@media (max-width: 650px) {
  .shell { width: min(100% - 36px, 1160px); }
  .site-nav { min-height: 66px; }
  .brand { font-size: 19px; gap: 7px; }
  .brand img { width: 32px; height: 32px; }
  .nav-links { gap: 12px; }
  .nav-links .nav-download { padding: 6px 9px; font-size: 13px; }
  .hero, .feature-grid, .guide-grid, .faq, .article-grid { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-block: 39px 28px; }
  .hero h1 { font-size: clamp(41px, 11vw, 63px); }
  html:not([lang="en"]) .hero h1 { font-size: clamp(34px, 8.8vw, 55px); }
  .hero-lede { margin-top: 16px; }
  .hero-actions { margin-top: 20px; gap: 14px; }
  .hero-visual { border-radius: 24px; }
  .section { padding-block: 36px; }
  .feature-grid, .guide-grid { gap: 12px; }
  .guide-card, .download-banner { padding: 22px; }
  .download-banner { align-items: flex-start; flex-direction: column; }
  .faq { gap: 19px; }
  .article-grid { margin-top: 25px; }
  .article-figure { max-width: 320px; }
}
@media (max-width: 480px) {
  .nav-links { display: none; }
  .site-nav { gap: 10px; }
  .language-picker summary { gap: 5px; padding-inline: 8px; }
  .language-chevron { display: none; }
}