:root {
  color-scheme: dark;
  --lavender: #b7aeff; --lavender-deep: #7b6cf0;
  --mint: #8edccb; --mint-deep: #2e9c88;
  --apricot: #f5be9f; --apricot-deep: #d27f5f; --rose: #f29aa8;
  --night: #0c0d1c; --night-raised: #15172b; --night-high: #1f2240; --dawn: #f6f3fc;
  --bg: var(--night); --surface: var(--night-raised); --high: var(--night-high);
  --ink: #f3f0ff; --muted: #bdbbd1; --accent-ink: var(--lavender); --mint-ink: var(--mint);
  --glass: rgba(21, 23, 43, .88); --line: rgba(208, 201, 255, .17);
  --wash: rgba(183, 174, 255, .09); --shadow: 0 24px 70px #0003;
  --radius: 28px; --font: "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
}
@media (prefers-color-scheme: light) {
  :root {
    color-scheme: light; --bg: var(--dawn); --surface: #fff; --high: #eae6f5;
    --ink: #242036; --muted: #625b72; --accent-ink: #5846b8; --mint-ink: #166553;
    --glass: rgba(255, 255, 255, .88); --line: rgba(68, 53, 105, .17);
    --wash: rgba(123, 108, 240, .08); --shadow: 0 24px 70px #4335680e;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 120px; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font); line-height: 1.8; -webkit-font-smoothing: antialiased; }
button, input { font: inherit; }
a { color: inherit; text-decoration: none; }
button, a, summary { -webkit-tap-highlight-color: transparent; }
button { cursor: pointer; }
img { display: block; max-width: 100%; }
svg { flex: none; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent-ink); outline-offset: 5px; }
::selection { color: var(--night); background: var(--lavender); }
.skip { position: fixed; left: 16px; top: -100px; z-index: 100; padding: 12px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; }
.skip:focus { top: 10px; }
.container { width: min(1120px, calc(100% - 40px)); margin-inline: auto; }
.aurora { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; mask-image: linear-gradient(#000 60%, transparent); -webkit-mask-image: linear-gradient(#000 60%, transparent); }
.aurora::before, .aurora::after { content: ""; position: absolute; inset: -22%; filter: blur(60px); will-change: transform; background: radial-gradient(ellipse at 18% 15%, #7b6cf02b, transparent 45%), radial-gradient(ellipse at 88% 48%, #8edccb1a, transparent 40%), radial-gradient(ellipse at 30% 95%, #f5be9f16, transparent 35%); animation: aurora 30s ease-in-out infinite alternate; }
.aurora::after { background: radial-gradient(ellipse at 78% 12%, #b7aeff15, transparent 40%), radial-gradient(ellipse at 5% 70%, #2e9c8815, transparent 35%); animation-duration: 39s; animation-direction: alternate-reverse; }
@keyframes aurora { to { transform: translate3d(5%, 4%, 0) rotate(5deg) scale(1.08); } }
.glass { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
@supports ((backdrop-filter: blur(16px)) or (-webkit-backdrop-filter: blur(16px))) {
  .glass { background: var(--glass); backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px); }
}
.button { display: inline-flex; min-height: 48px; align-items: center; justify-content: center; gap: 10px; border: 1px solid var(--line); border-radius: 100px; padding: 12px 23px; background: var(--wash); color: var(--ink); font-size: 14px; font-weight: 600; line-height: 1.5; transition: transform .16s, background .2s; }
.button:active, .link-button:active { transform: scale(.97); }
.button:hover { background: var(--high); }
.button.primary { color: var(--night); background: linear-gradient(120deg, var(--lavender), var(--lavender-deep)); border-color: transparent; box-shadow: 0 8px 36px #7b6cf021; }
.button.primary:hover { background: linear-gradient(120deg, #c6bfff, #9688ff); }
.icon { width: 24px; height: 24px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.topbar { position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--line); background: var(--glass); backdrop-filter: blur(20px); }
.nav-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px 20px; padding-block: 13px 10px; }
.brand { display: inline-flex; align-items: center; gap: 10px; width: fit-content; font-size: 19px; letter-spacing: 2px; font-weight: 600; }
.brand img { width: 34px; height: 34px; object-fit: contain; }
.nav-links { grid-row: 2; grid-column: 1 / -1; display: flex; justify-content: space-between; gap: 16px; font-size: 13px; color: var(--muted); }
.nav-links a { padding: 5px 0; }
.nav-links a:hover { color: var(--accent-ink); }
.nav-download { min-height: 40px; padding: 9px 18px; }
.hero { position: relative; padding-block: 65px 70px; display: grid; gap: 54px; align-items: center; }
.eyebrow { color: var(--accent-ink); display: flex; align-items: center; gap: 10px; font-size: 12px; letter-spacing: 2px; font-weight: 600; }
.eyebrow::before { content: ""; width: 22px; height: 1px; background: currentColor; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { line-height: 1.4; letter-spacing: -.2px; }
.hero h1 { font-size: clamp(58px, 7vw, 92px); font-weight: 500; letter-spacing: 7px; margin: 20px 0 9px; }
.tagline { font-size: clamp(27px, 3.2vw, 42px); font-weight: 400; letter-spacing: -.5px; margin-bottom: 25px; }
.intro { color: var(--muted); font-size: 15px; max-width: 470px; line-height: 2; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }
.release-note { color: var(--muted); font-size: 12px; margin: 17px 0 0; }
.hero-art { position: relative; min-height: 590px; display: grid; place-items: center; overflow: clip; }
.orbit { position: absolute; border: 1px solid var(--line); border-radius: 50%; width: 330px; max-width: 100%; height: 330px; transform: rotate(-26deg) scaleY(1.35); }
.orbit.second { width: 390px; height: 390px; opacity: .5; transform: rotate(32deg) scaleY(1.2); }
.moon-motif { width: 110px; height: 110px; color: var(--accent-ink); overflow: visible; }
.hero-moon { position: absolute; width: 90px; height: 90px; top: 3%; right: 0; transform: rotate(-15deg); }
.twinkle { transform-box: fill-box; transform-origin: center; animation: twinkle 4s ease-in-out infinite alternate; }
.twinkle:nth-of-type(2n) { animation-delay: -2s; }
@keyframes twinkle { from { opacity: .4; transform: scale(.8); } to { opacity: 1; transform: scale(1.1); } }
.phone { position: relative; padding: 7px; border: 1px solid #b7aeff65; border-radius: 35px; background: #15172b; width: 252px; box-shadow: 0 35px 100px #0004, 0 0 65px #7b6cf025; transform: rotate(3deg); }
.phone-screen { position: relative; overflow: hidden; border-radius: 28px; aspect-ratio: 1080 / 2400; background: var(--night); }
.phone-screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; transition: opacity 1.4s; }
.phone-screen img.active { opacity: 1; }
.phone::after { content: ""; position: absolute; left: 36%; right: 36%; top: 12px; height: 13px; border-radius: 12px; background: #15172b; }
.floating-note { position: absolute; left: -3px; bottom: 35px; padding: 14px 20px; font-size: 13px; box-shadow: var(--shadow); }
.floating-note span { color: var(--mint-ink); margin-right: 8px; }
.section { padding-block: 64px; }
.section-head { margin-bottom: 30px; max-width: 620px; }
.section h2 { font-weight: 500; font-size: clamp(27px, 3vw, 36px); margin: 10px 0 14px; }
.section-head p { color: var(--muted); margin-bottom: 0; font-size: 15px; }
.section-number { color: var(--accent-ink); font-size: 12px; letter-spacing: 2px; }
.moments { display: grid; gap: 14px; }
.moment { padding: 28px; position: relative; overflow: hidden; }
.moment::after { content: ""; position: absolute; width: 130px; height: 130px; right: -30px; top: -50px; border-radius: 50%; background: radial-gradient(circle, #b7aeff20, transparent 70%); pointer-events: none; }
.moment .micro { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.moment h3 { font-size: 23px; margin: 10px 0 14px; font-weight: 500; }
.moment p { color: var(--muted); font-size: 14px; margin-bottom: 0; }
.moment-label { color: var(--accent-ink); font-size: 13px; display: block; margin-top: 24px; }
.features { display: grid; gap: 14px; }
.feature { padding: 28px; }
.feature-icon { width: 46px; height: 46px; display: grid; place-items: center; color: var(--accent-ink); background: var(--wash); border-radius: 16px; margin-bottom: 22px; }
.feature h3 { font-size: 18px; font-weight: 500; margin-bottom: 12px; }
.feature p { color: var(--muted); font-size: 14px; margin: 0; }
.principles { display: grid; gap: 24px; }
.principles-title { padding: 8px 0; }
.principles-title .moon-motif { margin-bottom: 20px; }
.principles-title h2 { max-width: 360px; }
.principle-list { list-style: none; margin: 0; padding: 0 26px; }
.principle-list li { position: relative; border-bottom: 1px solid var(--line); padding: 24px 0 24px 34px; }
.principle-list li:last-child { border-bottom: 0; }
.principle-list li::before { content: "✧"; position: absolute; left: 0; top: 24px; color: var(--accent-ink); font-size: 22px; }
.principle-list h3 { font-size: 17px; font-weight: 500; margin-bottom: 7px; }
.principle-list p { color: var(--muted); font-size: 14px; margin: 0; }
.privacy-grid { display: grid; gap: 14px; }
.privacy-card { padding: 26px; }
.privacy-card h3 { font-size: 17px; margin-bottom: 9px; font-weight: 500; }
.privacy-card p { font-size: 14px; color: var(--muted); margin: 0; }
.fine-print { color: var(--muted); font-size: 12px; line-height: 1.9; margin-top: 18px; }
.gallery { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 22px; padding: 10px 4px 25px; scrollbar-color: var(--lavender-deep) var(--wash); scrollbar-width: thin; }
.gallery figure { margin: 0; flex: 0 0 208px; scroll-snap-align: start; }
.gallery img { width: 208px; height: 463px; border-radius: 22px; border: 1px solid var(--line); object-fit: cover; background: var(--surface); }
.gallery figcaption { margin-top: 15px; font-size: 13px; color: var(--muted); text-align: center; }
.gallery-hint { color: var(--muted); font-size: 12px; margin-top: 14px; }
.faq { padding: 0 26px; }
.faq details + details { border-top: 1px solid var(--line); }
.faq summary { min-height: 78px; cursor: pointer; list-style: none; display: flex; align-items: center; justify-content: space-between; gap: 15px; font-size: 16px; font-weight: 500; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent-ink); font-size: 24px; font-weight: 400; }
.faq details[open] summary::after { content: "−"; }
.faq-answer { overflow: hidden; }
.faq-answer p { color: var(--muted); font-size: 14px; padding-bottom: 24px; margin-bottom: 0; max-width: 800px; }
.download-panel { text-align: center; padding: 44px 24px; position: relative; overflow: hidden; }
.download-panel .moon-motif { width: 80px; height: 80px; margin-bottom: 10px; }
.download-panel h2 { margin-top: 0; }
.download-panel p { color: var(--muted); font-size: 14px; }
.crisis-strip { margin-top: 30px; padding: 28px; background: var(--glass); border: 1px solid var(--line); border-left: 3px solid var(--rose); border-radius: 20px; }
.crisis-strip h2 { font-size: 18px; margin: 0 0 16px; font-weight: 500; }
.hotlines { display: flex; flex-wrap: wrap; gap: 12px 24px; }
.hotlines a { font-size: 13px; min-height: 44px; display: flex; align-items: center; gap: 9px; border-bottom: 1px solid var(--line); }
.hotlines strong { color: var(--accent-ink); white-space: nowrap; font-weight: 500; }
.crisis-strip .fine-print { margin-bottom: 0; }
.footer { margin-top: 58px; padding-block: 30px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.footer-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px; }
.footer p { margin: 0; }
.footer a { color: var(--accent-ink); padding-block: 10px; }
.reveal-ready [data-reveal] { opacity: 0; transform: translateY(12px); transition: opacity .7s var(--delay, 0ms), transform .7s var(--delay, 0ms); }
.reveal-ready [data-reveal].visible { opacity: 1; transform: none; }
.profile-shell { width: min(460px, calc(100% - 32px)); margin: 36px auto; }
.profile-top { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--muted); margin-bottom: 22px; padding-inline: 8px; }
.profile-card { padding: 34px 25px 24px; text-align: center; position: relative; overflow: hidden; }
.profile-card::before { content: ""; height: 180px; position: absolute; left: 0; right: 0; top: 0; background: radial-gradient(ellipse at top, #b7aeff20, transparent 70%); pointer-events: none; }
.profile-avatar { width: 88px; height: 88px; display: grid; place-items: center; margin: 8px auto 22px; border-radius: 50%; border: 2px solid transparent; background: linear-gradient(var(--surface), var(--surface)) padding-box, linear-gradient(135deg, #b7aeffcc, #7b6cf077, #b7aeffcc) border-box; color: var(--accent-ink); font-size: 29px; overflow: hidden; position: relative; }
.profile-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.profile-card h1 { font-size: 29px; margin-bottom: 8px; font-weight: 500; }
.profile-bio { color: var(--muted); font-size: 14px; margin-bottom: 16px; }
.chips { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-bottom: 30px; }
.chip { padding: 4px 11px; border: 1px solid var(--line); border-radius: 100px; color: var(--muted); font-size: 11px; }
.profile-links { display: grid; gap: 10px; text-align: left; }
.link-button { display: flex; gap: 14px; align-items: center; padding: 16px; min-height: 62px; border-radius: 18px; border: 1px solid var(--line); background: var(--wash); transition: transform .16s, background .2s; }
.link-button:hover { background: var(--high); }
.link-button .icon { color: var(--accent-ink); width: 21px; height: 21px; }
.link-label { flex: 1; font-size: 14px; }
.link-arrow { color: var(--muted); font-size: 17px; }
.profile-section-label { color: var(--muted); font-size: 11px; letter-spacing: 2px; text-align: left; margin: 32px 0 13px; }
.featured { display: flex; text-align: left; padding: 21px; gap: 16px; border-radius: 21px; background: var(--wash); border: 1px solid var(--line); overflow: hidden; align-items: center; }
.featured .featured-info { flex: 1; }
.featured h2 { font-size: 23px; margin-bottom: 9px; font-weight: 500; }
.featured p { color: var(--muted); font-size: 12px; margin-bottom: 16px; }
.featured span { color: var(--accent-ink); font-size: 12px; }
.featured img { width: 76px; height: 160px; object-fit: cover; object-position: top; border-radius: 13px; transform: rotate(6deg); box-shadow: 0 12px 30px #0002; }
.share-area { margin-top: 28px; padding-top: 26px; border-top: 1px solid var(--line); }
.share-area .button { width: 100%; }
.qr-block { margin: 25px 0 0; }
.qr-block canvas { display: block; width: 140px; height: 140px; background: #fff; margin: 0 auto 13px; border-radius: 10px; image-rendering: pixelated; }
.qr-block figcaption { font-size: 11px; color: var(--muted); }
.profile-note { font-size: 11px; color: var(--muted); text-align: center; margin: 23px 0; }
.toast { position: fixed; z-index: 30; bottom: 24px; left: 50%; width: max-content; max-width: calc(100% - 40px); transform: translate(-50%, 12px); border: 1px solid var(--line); border-radius: 16px; padding: 12px 20px; background: var(--surface); color: var(--ink); box-shadow: var(--shadow); font-size: 13px; opacity: 0; pointer-events: none; transition: opacity .2s, transform .2s; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }
.copy-field { position: fixed; left: -9999px; }
.og-card { width: 1200px; height: 630px; overflow: hidden; background: #0c0d1c; color: #f3f0ff; padding: 70px 90px; position: relative; display: flex; flex-direction: column; justify-content: center; }
.og-card::before { content: ""; position: absolute; inset: 0; background: radial-gradient(ellipse at 75% 20%, #7b6cf060, transparent 55%), radial-gradient(ellipse at 90% 90%, #8edccb30, transparent 50%), radial-gradient(ellipse at 15% 100%, #f5be9f1a, transparent 50%); }
.og-card > * { position: relative; }
.og-card .eyebrow { color: #b7aeff; }
.og-card .moon-motif { position: absolute; right: 110px; top: 120px; width: 240px; height: 240px; color: #b7aeff; }
.og-card.personal .moon-motif { width: 76px; height: 76px; right: 85px; top: 100px; }
.og-card .profile-avatar { position: absolute; right: 110px; top: 190px; width: 240px; height: 240px; margin: 0; }
.og-card h1 { font-size: 92px; font-weight: 500; margin: 30px 0 15px; letter-spacing: 4px; }
.og-card p { font-size: 30px; color: #bdbbd1; }
.og-card small { position: absolute; bottom: 52px; left: 90px; color: #b7aeff; font-size: 16px; letter-spacing: 3px; }
@media (min-width: 600px) {
  .moments { grid-template-columns: repeat(3, 1fr); }
  .features, .privacy-grid { grid-template-columns: repeat(2, 1fr); }
  .container { width: min(1120px, calc(100% - 72px)); }
}
@media (min-width: 820px) {
  .nav-inner { display: flex; padding-block: 16px; }
  .nav-links { margin-left: auto; margin-right: 22px; gap: 30px; }
  .hero { grid-template-columns: 1.1fr 1fr; gap: 35px; padding-block: 65px 75px; }
  .hero-art { min-height: 630px; }
  .phone { width: 264px; }
  .hero-moon { right: 3%; top: 0; }
  .floating-note { left: 0; bottom: 50px; }
  .section { padding-block: 80px; }
  .features { grid-template-columns: repeat(3, 1fr); }
  .principles { grid-template-columns: .9fr 1.1fr; gap: 60px; align-items: center; }
  .privacy-grid { grid-template-columns: repeat(4, 1fr); }
  .profile-shell { margin-block: 50px; }
}
@media (max-width: 380px) { .orbit.second { width: 300px; height: 340px; } .orbit { width: 280px; } .hero-art { overflow: hidden; } .floating-note { left: 0; font-size: 12px; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .aurora::before, .aurora::after { will-change: auto; }
  .reveal-ready [data-reveal] { opacity: 1; transform: none; }
  .button:active, .link-button:active { transform: none; }
}
