:root { color-scheme: light; --ink: #4b351e; --gold: #ae854a; --muted: #95816b; }
* { box-sizing: border-box; }
html { min-width: 280px; min-height: 100%; background: #fbf7ef; }
body { margin: 0; min-height: 100svh; display: flex; flex-direction: column; color: var(--ink); background: radial-gradient(ellipse at 83% 45%, #f4dfba80, transparent 48%), linear-gradient(145deg, #fffdfa, #fbf4e8); font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; }
a { color: inherit; text-decoration: none; -webkit-tap-highlight-color: transparent; }
a:focus-visible { outline: 3px solid #bd955c; outline-offset: 5px; }
.page-header { width: min(1160px, 100%); height: 88px; padding: 18px 30px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; }
.brand-link { display: inline-flex; align-items: center; }
.brand-link img { display: block; width: auto; height: 43px; max-width: 175px; object-fit: contain; }
.home-return { color: #97713e; font-size: 13px; display: inline-flex; align-items: center; gap: 14px; }
.home-return span { font-size: 20px; line-height: 1; }
.download-main { flex: 1; display: grid; align-items: center; }
.download-hero { width: min(1160px, 100%); margin: 0 auto; padding: 48px 30px 64px; display: grid; grid-template-columns: 1fr 1.1fr; align-items: center; gap: 48px; }
.hero-copy { position: relative; z-index: 1; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 24px; color: #a47b42; font-size: 13px; letter-spacing: 3px; }
.eyebrow span { width: 30px; height: 1px; background: #c09a64; }
h1 { margin: 0; font-size: clamp(44px, 5.1vw, 68px); font-weight: 600; line-height: 1.25; letter-spacing: 5px; }
h1 span { color: #b18b50; }
.hero-description { margin: 22px 0 30px; color: #8f7b64; font-size: 16px; letter-spacing: 1px; line-height: 1.8; }
.download-actions { display: flex; flex-direction: column; gap: 14px; max-width: 352px; }
.download-button { min-height: 80px; display: flex; align-items: center; gap: 18px; border-radius: 14px; padding: 15px 22px; transition: transform .18s ease, box-shadow .18s ease; }
.download-button:hover { transform: translateY(-2px); }
.android-button { color: #fffaf0; border: 1px solid #a9814a; background: linear-gradient(120deg, #c6a26a, #a37b45); box-shadow: 0 8px 20px #9a71352b; }
.ios-button { color: #987341; border: 1px solid #d9c5a7; background: #fffdf8cf; box-shadow: 0 4px 12px #97764208; }
.platform-icon { flex-shrink: 0; width: 31px; height: 32px; }
.button-copy { display: flex; flex-direction: column; gap: 5px; }
.button-copy strong { font-size: 18px; font-weight: 600; letter-spacing: 1px; }
.button-copy small { font-size: 11px; letter-spacing: .3px; opacity: .8; }
.download-icon { width: 23px; height: 23px; margin-left: auto; flex-shrink: 0; }
.device-note { color: #aa957a; font-size: 12px; margin: 20px 0 0; letter-spacing: .5px; }
.device-note span { padding-right: 5px; }
.hero-visual { position: relative; margin: 0 -12px 0 0; height: 460px; border-radius: 28px; overflow: hidden; box-shadow: 0 24px 50px #a77c2d12; }
.hero-visual img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 88% center; }
.hero-visual figcaption { position: absolute; bottom: 28px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 14px; color: #896131; font-size: 12px; letter-spacing: 2px; white-space: nowrap; }
.hero-visual figcaption span { width: 28px; height: 1px; background: #af895380; }
.hero-visual i { font-style: normal; }
.page-footer { text-align: center; color: #b29d82; font-size: 11px; letter-spacing: 2px; padding: 20px 20px max(25px, env(safe-area-inset-bottom)); }
.page-footer span { padding: 0 6px; color: #cfbfa7; }
@media (max-width: 760px) {
  .page-header { height: 68px; padding: 13px 23px; }
  .brand-link img { height: 35px; max-width: 145px; }
  .home-return { font-size: 12px; gap: 8px; }
  .download-main { display: block; }
  .download-hero { display: flex; flex-direction: column; gap: 0; padding: 8px 23px 20px; max-width: 520px; }
  .hero-visual { order: -1; width: 100%; height: 222px; margin: 0 0 25px; border-radius: 19px; box-shadow: 0 12px 24px #9d743c0d; }
  .hero-visual img { object-position: 89% center; }
  .hero-visual figcaption { bottom: 14px; font-size: 10px; gap: 10px; }
  .hero-copy { width: 100%; }
  .eyebrow { justify-content: center; margin: 0 0 13px; font-size: 11px; letter-spacing: 2px; }
  .eyebrow span { width: 22px; }
  h1 { text-align: center; font-size: 37px; letter-spacing: 4px; line-height: 1.24; }
  h1 br { display: none; }
  h1 span { display: block; }
  .hero-description { text-align: center; font-size: 13px; margin: 14px 0 24px; letter-spacing: .5px; }
  .download-actions { max-width: none; gap: 12px; }
  .download-button { min-height: 72px; border-radius: 12px; padding: 12px 21px; gap: 16px; }
  .button-copy strong { font-size: 17px; }
  .device-note { text-align: center; font-size: 11px; margin-top: 17px; }
  .page-footer { padding-top: 16px; font-size: 10px; letter-spacing: 1px; }
}
@media (max-width: 360px) {
  .page-header { padding-inline: 18px; }
  .download-hero { padding-inline: 18px; }
  .hero-visual { height: 180px; margin-bottom: 20px; }
  h1 { font-size: 32px; }
  .hero-description { font-size: 12px; }
}
@media (prefers-reduced-motion: reduce) { .download-button { transition: none; } }