:root { color-scheme: light; --ink: #192026; --muted: #59636e; --accent: #a93620; --line: #dfe3e7; --paper: #f6f7f9; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "PingFang SC", "Hiragino Sans", "Microsoft YaHei", sans-serif; line-height: 1.8; }
a { color: var(--accent); text-underline-offset: .22em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 5px; border-radius: 4px; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
.wrap { width: min(1080px, calc(100% - 48px)); margin-inline: auto; }
.site-header { border-bottom: 1px solid var(--line); background: #fff; }
.nav { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px 28px; padding-block: 16px; }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; font-size: 20px; font-weight: 700; }
.brand img { width: 40px; height: 40px; border-radius: 10px; }
.brand span { display: block; font-size: 12px; font-weight: 500; color: var(--muted); line-height: 1.4; letter-spacing: .02em; }
.nav-links, .footer-links, .language-links { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 14px; padding-block: 10px; }
.nav-links a[aria-current="page"] { color: var(--accent); }
.skip { position: absolute; top: -100px; left: 24px; background: #fff; padding: 12px; z-index: 1; }
.skip:focus { top: 12px; }
.hero { display: grid; grid-template-columns: 1.4fr 1fr; align-items: center; gap: 80px; padding-block: 84px 88px; }
.hero-copy { min-width: 0; }
.eyebrow { color: var(--accent); font-size: 13px; letter-spacing: .06em; font-weight: 650; }
h1, h2, h3 { line-height: 1.3; letter-spacing: -.025em; }
h1 { font-size: clamp(38px, 4.8vw, 64px); margin: 20px 0 26px; font-weight: 750; }
h2 { font-size: clamp(26px, 3vw, 36px); margin: 0 0 20px; }
h3 { font-size: 21px; margin: 0 0 12px; }
p { margin: 0 0 18px; }
.lead { color: var(--muted); font-size: 18px; max-width: 35em; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.button { display: inline-block; padding: 12px 22px; border: 1px solid var(--line); border-radius: 12px; background: #fff; font-size: 15px; font-weight: 650; text-decoration: none; }
.button.primary { color: #fff; background: var(--accent); border-color: var(--accent); }
.small, figcaption { color: var(--muted); font-size: 13px; }
.release { margin-top: 22px; max-width: 36em; }
.app-mark { width: min(100%, 300px); margin-inline: auto; }
.app-mark img { width: 300px; border-radius: 28%; box-shadow: 0 18px 50px #19202615; }
figcaption { text-align: center; margin-top: 20px; letter-spacing: .04em; }
.section { padding-block: 56px; border-top: 1px solid var(--line); }
.section-title { max-width: 640px; margin-bottom: 32px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); gap: 36px; }
.feature { padding-top: 22px; border-top: 2px solid var(--accent); }
.feature p { color: var(--muted); }
.number { display: block; color: var(--accent); font-size: 13px; font-weight: 650; margin-bottom: 18px; }
.english { max-width: 760px; }
.english h2 { font-size: clamp(28px, 3vw, 38px); }
.note { margin-top: 26px; padding: 22px 26px; border-left: 3px solid var(--accent); background: #f2ece9; }
.note p:last-child { margin-bottom: 0; }
.page { max-width: 800px; padding-block: 48px 64px; }
.page h1 { font-size: clamp(32px, 4vw, 44px); }
.page h2 { font-size: 25px; margin-top: 38px; }
.page h3 { margin-top: 28px; }
.page p, .page li, .contact a { overflow-wrap: anywhere; }
.page ul { padding-left: 24px; }
.page li + li { margin-top: 10px; }
.language-links { margin-block: 22px 30px; font-size: 14px; }
.policy-language + .policy-language { border-top: 1px solid var(--line); margin-top: 56px; padding-top: 24px; }
.contact { padding-block: 32px; }
.site-footer { border-top: 1px solid var(--line); padding-block: 26px; font-size: 13px; }
.footer { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.footer p { margin: 0; color: var(--muted); }
[id] { scroll-margin-top: 24px; }
@media (max-width: 760px) {
  .hero { grid-template-columns: 1fr; gap: 38px; padding-block: 46px 52px; }
  .features { grid-template-columns: 1fr; gap: 24px; }
  .section { padding-block: 40px; }
  .app-mark { width: 220px; }
  .nav-links { gap: 4px 18px; }
}
@media (max-width: 400px) {
  .wrap { width: calc(100% - 32px); }
  .brand { font-size: 18px; }
  .nav-links { width: 100%; }
  .note { padding: 18px 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }