:root {
  color-scheme: light;
  --ink: #102a28;
  --muted: #687b78;
  --green: #14564e;
  --green-2: #1d756a;
  --mint: #dff0e9;
  --line: rgba(24, 77, 70, .13);
  --paper: #f6f8f4;
  --white: #fff;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
.ambient { position: fixed; border-radius: 50%; filter: blur(12px); pointer-events: none; z-index: -1; opacity: .75; }
.ambient-one { width: 540px; height: 540px; right: -180px; top: -220px; background: radial-gradient(circle, #cce9df 0, rgba(204,233,223,0) 68%); }
.ambient-two { width: 480px; height: 480px; left: -260px; top: 500px; background: radial-gradient(circle, #e9dfc5 0, rgba(233,223,197,0) 68%); }
.site-header, main, footer { width: min(1180px, calc(100% - 48px)); margin-inline: auto; }
.site-header { height: 92px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; }
.brand > span:last-child { display: flex; flex-direction: column; gap: 2px; }
.brand strong { font-size: 20px; letter-spacing: -.02em; }
.brand small { font-size: 10px; color: var(--muted); letter-spacing: .18em; }
.brand-logo { width: 46px; height: 46px; display: block; border-radius: 50%; object-fit: cover; box-shadow: 0 8px 22px rgba(88,65,30,.16); }
.official { display: inline-flex; align-items: center; gap: 8px; padding: 9px 14px; border: 1px solid var(--line); border-radius: 999px; color: #45605d; background: rgba(255,255,255,.55); font-size: 13px; }
.official i { width: 7px; height: 7px; background: #42b58b; border-radius: 50%; box-shadow: 0 0 0 4px rgba(66,181,139,.13); }
.hero { min-height: 620px; display: grid; grid-template-columns: 1.08fr .92fr; align-items: center; gap: 64px; padding: 48px 0 76px; }
.eyebrow { display: inline-block; color: var(--green-2); font-size: 11px; font-weight: 750; letter-spacing: .19em; }
.hero h1 { margin: 19px 0 24px; font-family: "Noto Serif SC", "Songti SC", SimSun, serif; font-size: clamp(52px, 6vw, 80px); font-weight: 560; line-height: 1.12; letter-spacing: -.06em; }
.hero h1 em { color: var(--green-2); font-style: normal; }
.hero-copy > p { max-width: 510px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 22px; margin-top: 36px; flex-wrap: wrap; }
.primary-action { min-width: 240px; min-height: 66px; padding: 12px 16px; display: grid; grid-template-columns: 34px 1fr 22px; align-items: center; gap: 12px; color: white; border-radius: 18px; background: linear-gradient(135deg, var(--green), #0b3935); box-shadow: 0 18px 35px rgba(16,74,67,.22); transition: transform .2s, box-shadow .2s; }
.primary-action:not(.disabled):hover { transform: translateY(-2px); box-shadow: 0 22px 42px rgba(16,74,67,.28); }
.primary-action small, .primary-action strong { display: block; }
.primary-action small { opacity: .72; font-size: 10px; margin-bottom: 3px; }
.primary-action strong { font-size: 14px; }
.primary-action b { font-size: 22px; font-weight: 400; }
.primary-action.disabled { cursor: wait; opacity: .65; }
.android-symbol, .android-icon { position: relative; display: inline-block; width: 29px; height: 22px; border-radius: 10px 10px 5px 5px; background: currentColor; }
.android-symbol { color: white; transform: scale(.72); }
.android-icon { color: var(--green); transform: scale(.86); transform-origin: left center; }
.android-symbol::before, .android-icon::before { content: ""; position: absolute; width: 2px; height: 7px; background: currentColor; left: 6px; top: -5px; transform: rotate(-32deg); box-shadow: 14px 9px 0 -10px currentColor; }
.android-symbol::after, .android-icon::after { content: "••"; position: absolute; left: 7px; top: 0; color: var(--green); letter-spacing: 5px; font-size: 10px; line-height: 12px; }
.android-symbol::after { color: var(--green); }
.security-note { display: inline-flex; align-items: center; gap: 8px; color: #5a706d; font-size: 12px; }
.security-note i { display: grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; background: var(--mint); color: var(--green); font-style: normal; font-weight: 800; }
.hero-visual { min-height: 470px; position: relative; display: grid; place-items: center; }
.phone { width: 246px; height: 486px; padding: 8px; position: relative; z-index: 2; border-radius: 42px; background: #163c38; box-shadow: 0 42px 80px rgba(15,49,45,.24), inset 0 0 0 1px rgba(255,255,255,.18); transform: rotate(4deg); }
.phone-top { position: absolute; top: 15px; left: 50%; width: 72px; height: 18px; transform: translateX(-50%); border-radius: 12px; background: #15322f; z-index: 2; }
.phone-screen { height: 100%; padding: 44px 22px 22px; position: relative; overflow: hidden; border-radius: 35px; background: linear-gradient(160deg,#f3f7f1 0%,#e3eee8 100%); }
.mini-brand { display: flex; align-items: center; gap: 7px; font-size: 9px; font-weight: 750; letter-spacing: .04em; }
.mini-brand img { width: 18px; height: 18px; border-radius: 50%; object-fit: cover; }
.welcome-mark { width: 104px; height: 104px; margin: 58px auto 24px; }
.welcome-mark img { width: 100%; height: 100%; display: block; border-radius: 50%; object-fit: cover; box-shadow: 0 13px 28px rgba(82,59,27,.15); }
.phone-screen > strong, .phone-screen > small { display: block; text-align: center; }
.phone-screen > strong { font-family: "Songti SC", serif; font-size: 17px; }
.phone-screen > small { color: var(--muted); font-size: 9px; margin-top: 8px; }
.message { height: 9px; position: absolute; border-radius: 8px; background: white; box-shadow: 0 6px 15px rgba(31,72,66,.08); }
.message-one { width: 115px; left: 22px; bottom: 77px; }
.message-two { width: 84px; right: 23px; bottom: 53px; background: #7fac9e; }
.message-three { width: 132px; left: 22px; bottom: 28px; }
.orbit { position: absolute; border: 1px solid rgba(23,100,90,.14); border-radius: 50%; }
.orbit-one { width: 410px; height: 410px; }
.orbit-two { width: 500px; height: 500px; border-style: dashed; animation: orbit 28s linear infinite; }
@keyframes orbit { to { transform: rotate(360deg); } }
.floating-chip { position: absolute; z-index: 3; padding: 11px 15px; border: 1px solid rgba(255,255,255,.8); border-radius: 15px; background: rgba(255,255,255,.76); box-shadow: 0 14px 35px rgba(40,79,72,.12); backdrop-filter: blur(14px); color: #3e5c58; font-size: 12px; }
.chip-one { left: 10px; top: 105px; }
.chip-two { right: -6px; bottom: 104px; }
.downloads { padding: 88px 0 76px; border-top: 1px solid var(--line); }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 28px; margin-bottom: 33px; }
.section-heading h2, .release-panel h2 { margin: 8px 0 0; font-family: "Songti SC", serif; font-size: 34px; font-weight: 600; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 14px; }
.platform-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.platform-card { min-height: 330px; padding: 28px; display: flex; flex-direction: column; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.76); box-shadow: 0 12px 34px rgba(26,72,65,.05); }
.platform-card.active { border-color: rgba(24,101,91,.28); background: linear-gradient(155deg,rgba(255,255,255,.96),rgba(224,241,234,.72)); }
.platform-card.upcoming { color: #6d7c79; }
.platform-top { display: flex; min-height: 38px; align-items: center; justify-content: space-between; }
.platform-icon { width: 38px; height: 38px; display: block; color: var(--green); fill: currentColor; overflow: visible; }
.platform-icon path { vector-effect: non-scaling-stroke; }
.platform-icon path:not(:first-child), .harmony-icon path { fill: none; stroke: currentColor; stroke-width: 2.5; stroke-linecap: round; }
.platform-icon circle { fill: white; }
.apple-icon { color: #29403d; }
.harmony-icon { color: #566b68; fill: none; }
.status { padding: 6px 9px; border-radius: 999px; font-size: 10px; font-weight: 700; }
.status.available { color: #1b705f; background: #dcefe7; }
.status.waiting { color: #83765c; background: #f0ebdf; }
.platform-card h3 { margin: 25px 0 8px; font-size: 24px; letter-spacing: -.02em; }
.platform-card > p { margin: 0; color: var(--muted); font-size: 13px; }
.release-meta { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin: 24px 0 20px; }
.release-meta div { min-width: 0; }
.release-meta dt { color: #81918e; font-size: 9px; margin-bottom: 5px; }
.release-meta dd { margin: 0; overflow: hidden; color: #38514e; font-size: 11px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.platform-action { width: 100%; min-height: 46px; margin-top: auto; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border: 0; border-radius: 13px; background: var(--green); color: white; font: inherit; font-size: 13px; font-weight: 700; cursor: pointer; }
.platform-action.muted, .platform-action.disabled { justify-content: center; background: #e8edeb; color: #87938f; cursor: not-allowed; }
.availability-message { padding-top: 11px; text-align: center; font-size: 10px !important; }
.release-panel { margin-bottom: 80px; padding: 34px 38px; display: grid; grid-template-columns: 220px 1fr; gap: 36px; border-radius: 24px; background: #173f3b; color: white; }
.release-panel > p { margin: 0; color: rgba(255,255,255,.77); white-space: pre-line; line-height: 1.8; font-size: 14px; }
.release-panel .eyebrow { color: #9ed0bf; }
.release-panel h2 { font-size: 28px; }
.checksum { grid-column: 2; color: rgba(255,255,255,.43); font: 10px ui-monospace, monospace; overflow-wrap: anywhere; }
footer { min-height: 150px; display: grid; grid-template-columns: 1fr auto auto; gap: 34px; align-items: center; border-top: 1px solid var(--line); color: var(--muted); font-size: 11px; }
.footer-brand strong { color: var(--ink); }
.footer-brand .brand-logo { width: 38px; height: 38px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: auto; text-align: center; padding-top: 52px; }
  .hero-copy > p { margin-inline: auto; }
  .hero-actions { justify-content: center; }
  .hero-visual { min-height: 520px; }
  .platform-grid { grid-template-columns: 1fr; }
  .platform-card { min-height: 290px; }
  .section-heading { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 620px) {
  .site-header, main, footer { width: min(100% - 28px, 1180px); }
  .site-header { height: 76px; }
  .official { padding: 8px 10px; font-size: 11px; }
  .brand small { display: none; }
  .brand-logo { width: 40px; height: 40px; }
  .hero { gap: 22px; padding: 56px 0 58px; }
  .hero h1 { margin-top: 15px; font-size: clamp(42px, 13vw, 60px); letter-spacing: -.075em; }
  .hero-copy > p { font-size: 14px; line-height: 1.8; padding-inline: 10px; }
  .hero-actions { margin-top: 29px; }
  .primary-action { width: 100%; }
  .security-note { width: 100%; justify-content: center; }
  .hero-visual { min-height: 420px; transform: scale(.82); margin: -30px 0; }
  .downloads { padding: 64px 0 54px; }
  .section-heading h2 { font-size: 29px; }
  .platform-card { padding: 24px; border-radius: 20px; }
  .release-panel { grid-template-columns: 1fr; gap: 20px; padding: 28px; }
  .checksum { grid-column: 1; }
  footer { padding: 34px 0; grid-template-columns: 1fr; gap: 14px; text-align: center; }
  footer .brand { justify-content: center; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; animation: none !important; transition: none !important; } }