:root {
  --red:#f23838;
  --red-dark:#c92529;
  --green:#1f9d55;
  --ink:#171719;
  --muted:#6d6b70;
  --line:#deddd8;
  --paper:#f7f7f4;
  --white:#fff;
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body { margin:0; color:var(--ink); background:var(--white); font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB",Arial,sans-serif; }
a { color:inherit; }
img { display:block; }
h1,h2,h3,p { margin-top:0; }

.topbar { height:76px; position:sticky; z-index:20; top:0; padding:0 max(28px,calc((100% - 1280px)/2)); display:flex; align-items:center; justify-content:space-between; border-bottom:1px solid #e8e7e2; background:#ffffffed; backdrop-filter:blur(18px); }
.brand { display:flex; align-items:center; gap:12px; font-size:17px; font-weight:760; text-decoration:none; }
.brand img { width:38px; height:38px; border-radius:10px; }
nav { display:flex; align-items:center; gap:34px; color:#565459; font-size:14px; }
nav a { text-decoration:none; transition:color .2s; }
nav a:hover { color:var(--red); }
.nav-store { min-width:126px; height:42px; padding:0 8px 0 17px; display:flex; align-items:center; justify-content:space-between; gap:12px; border:1px solid #cfcec9; color:var(--ink); font-weight:650; }
.nav-store b { width:28px; height:28px; display:grid; place-items:center; color:#fff; background:var(--ink); font-size:15px; font-weight:500; }

.hero { height:min(680px,calc(100svh - 112px)); min-height:600px; position:relative; overflow:hidden; background:#fff; }
.hero::after { content:""; width:35%; position:absolute; z-index:0; inset:0 0 0 auto; background:var(--red); }
.hero-copy { width:570px; position:absolute; z-index:4; top:50%; left:max(28px,calc((100% - 1280px)/2)); transform:translateY(-50%); }
.eyebrow { margin-bottom:24px; display:flex; align-items:center; gap:10px; color:var(--red-dark); font-size:12px; font-weight:760; }
.eyebrow span { width:30px; height:2px; background:var(--red); }
h1 { margin-bottom:14px; font-size:clamp(54px,4.7vw,70px); line-height:1.08; font-weight:860; letter-spacing:0; }
.hero-slogan { margin-bottom:16px; color:var(--red); font-size:27px; line-height:1.35; font-weight:760; }
.hero-text { max-width:500px; margin-bottom:26px; color:var(--muted); font-size:15px; line-height:1.8; }
.hero-actions { display:flex; align-items:center; gap:23px; }
.store-button { min-width:218px; display:flex; align-items:center; gap:13px; padding:11px 18px; color:#fff; background:var(--red); text-decoration:none; transition:transform .2s,background .2s; }
.store-button:hover { transform:translateY(-2px); background:var(--red-dark); }
.store-icon { width:34px; height:34px; display:grid; place-items:center; border:1px solid #ffffff66; font-size:18px; }
.store-button small { display:block; margin-bottom:2px; opacity:.64; font-size:9px; }
.store-button span:last-child { font-size:15px; font-weight:720; }
.text-link { padding-bottom:3px; border-bottom:1px solid #aaa8a4; color:#4c4a4e; font-size:13px; font-weight:650; text-decoration:none; }
.text-link span { margin-left:7px; color:var(--red); }
.store-note { margin:13px 0 0; color:#8a888d; font-size:11px; }
.store-note span { width:6px; height:6px; margin-right:7px; display:inline-block; border-radius:50%; background:var(--green); }
.hero-stats { max-width:500px; margin-top:28px; padding-top:20px; display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line); }
.hero-stats span { color:#8d8a8f; font-size:10px; }
.hero-stats b { display:block; margin-bottom:4px; color:var(--ink); font-size:15px; }

.product-stage { width:520px; height:100%; position:absolute; z-index:2; top:0; right:max(22px,calc((100% - 1280px)/2)); }
.product-stage::before { content:""; position:absolute; inset:36px 20px 36px 92px; border:1px solid #ffffff70; }
.product-label { position:absolute; z-index:5; top:48px; right:4px; margin:0; color:#fff; font-size:10px; font-weight:700; writing-mode:vertical-rl; }
.product-label span { margin-top:16px; opacity:.72; }
.phone { width:286px; height:576px; position:absolute; z-index:4; top:12px; right:112px; padding:8px; border:5px solid #1d1d20; border-radius:42px; background:#111113; box-shadow:0 32px 66px #6e151a38; }
.phone::before { content:""; width:84px; height:20px; position:absolute; z-index:2; top:3px; left:96px; border-radius:0 0 13px 13px; background:#1d1d20; }
.phone-screen { height:100%; position:relative; overflow:hidden; padding:24px 12px 52px; border-radius:29px; background:#fff; }
.phone-status { display:flex; justify-content:space-between; padding:0 6px 11px; font-size:8px; }
.app-head { display:flex; justify-content:space-between; align-items:center; font-size:13px; }
.app-head>span { display:flex; align-items:center; gap:6px; }
.app-head img { width:18px; height:18px; border-radius:5px; }
.app-head>b { font-size:20px; line-height:1; }
.search { margin:11px 0; padding:8px 10px; border-radius:12px; color:#aaa6aa; background:#f4f3f3; font-size:8px; }
.banner-card { height:166px; position:relative; overflow:hidden; border-radius:9px; background:#7f374c; }
.banner-card::after { content:""; position:absolute; inset:0; background:linear-gradient(100deg,#251a27e8 0 43%,transparent 72%); }
.banner-copy { height:100%; position:relative; z-index:2; padding:17px 14px; display:flex; flex-direction:column; align-items:flex-start; color:#fff; }
.banner-copy small:first-child { margin-bottom:10px; padding:2px 5px; border:1px solid #ffffff90; font-size:7px; }
.banner-copy b { font-size:21px; line-height:1.25; }
.banner-copy span { margin-top:auto; font-size:7px; opacity:.8; }
.banner-person { width:112px; height:159px; position:absolute; right:-6px; bottom:-5px; border-radius:54% 46% 0 0; background:linear-gradient(160deg,#f0c6b7 0 26%,#241e25 27% 58%,#bd696b 59%); transform:rotate(-5deg); }
.tabs { margin:15px 2px 13px; display:flex; justify-content:space-between; color:#8e8a8f; font-size:9px; }
.tabs b { position:relative; color:var(--red); }
.tabs b::after { content:""; width:13px; height:2px; position:absolute; left:3px; bottom:-5px; background:var(--red); }
.phone-title { margin-bottom:9px; font-size:11px; font-weight:750; }
.phone-title span { float:right; color:#aaa6aa; font-size:7px; font-weight:400; }
.mini-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:7px; }
.mini-grid .cover { height:104px; position:relative; margin-bottom:4px; overflow:hidden; border-radius:5px; }
.mini-grid .cover::after { content:""; width:44px; height:86px; position:absolute; left:15px; bottom:-15px; border-radius:50% 50% 8% 8%; background:linear-gradient(#e9bca9 0 29%,#3a2c33 30%); }
.mini-grid .cover i { position:absolute; z-index:1; top:4px; left:4px; padding:1px 3px; color:#fff; background:#e9433d; font-size:6px; font-style:normal; }
.mini-grid b { display:block; overflow:hidden; font-size:7px; white-space:nowrap; text-overflow:ellipsis; }
.mini-grid small { color:#aaa6aa; font-size:6px; }
.cover-a { background:linear-gradient(145deg,#6c5968,#d7a1aa); }
.cover-b { background:linear-gradient(145deg,#293044,#b8a49d); }
.cover-c { background:linear-gradient(145deg,#55777b,#dca77d); }
.app-nav { position:absolute; left:0; right:0; bottom:6px; padding-top:6px; display:flex; justify-content:space-around; border-top:1px solid #eee; color:#a8a4a8; }
.app-nav span { min-width:34px; display:flex; flex-direction:column; align-items:center; font-size:13px; }
.app-nav small { font-size:6px; }
.app-nav .active { color:var(--red); }

.section { max-width:1280px; margin:auto; padding:104px 28px 116px; }
.section-heading { margin-bottom:44px; display:flex; align-items:end; justify-content:space-between; }
.section-heading p,.feature-intro>p { margin-bottom:12px; color:var(--red); font-size:11px; font-weight:720; }
.section-heading h2,.feature-intro h2 { margin:0; font-size:38px; line-height:1.35; }
.section-heading a { padding-bottom:5px; border-bottom:1px solid #b9b7b3; color:#5e5b60; font-size:13px; text-decoration:none; }
.section-heading a:hover { color:var(--red); }
.section-heading a span { margin-left:8px; color:var(--red); font-size:16px; }
.show-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:20px; }
.show-card { min-width:0; }
.poster { aspect-ratio:3/4.15; padding:18px; position:relative; overflow:hidden; display:flex; flex-direction:column; align-items:flex-start; color:#fff; isolation:isolate; }
.poster::before { content:""; width:54px; height:3px; position:absolute; top:50%; left:18px; background:#ffffff8c; }
.poster::after { content:""; position:absolute; z-index:-1; inset:0; background:linear-gradient(180deg,transparent 32%,#1111138f 100%); }
.poster>span { position:relative; z-index:2; padding:4px 8px; color:#a72528; background:#fff; font-size:10px; font-weight:730; }
.poster>i { position:absolute; top:50%; right:12px; color:#fff; font-size:74px; line-height:1; font-style:normal; font-weight:800; opacity:.12; transform:translateY(-52%); }
.poster b { margin-top:auto; font-size:23px; line-height:1.25; text-shadow:0 2px 5px #0006; }
.poster small { margin-top:8px; font-size:10px; opacity:.72; }
.poster-1 { background:#a9363c; }
.poster-2 { background:#29344d; }
.poster-3 { background:#c47b47; }
.poster-4 { background:#2e5651; }
.show-card:hover .poster { transform:translateY(-4px); box-shadow:0 20px 44px #241b1830; }
.poster { transition:transform .25s,box-shadow .25s; }
.show-meta { padding:15px 2px 0; display:flex; align-items:center; justify-content:space-between; gap:10px; }
.show-card h3 { margin:0 0 5px; overflow:hidden; font-size:15px; white-space:nowrap; text-overflow:ellipsis; }
.show-card p { margin:0; color:#929095; font-size:11px; }

.features { padding:112px max(28px,calc((100% - 1280px)/2)); color:#fff; background:#1b1b1d; }
.features-inner { display:grid; grid-template-columns:.95fr 1.25fr; gap:110px; align-items:start; }
.feature-intro { position:relative; }
.feature-intro h2 { font-size:36px; }
.feature-mark { width:160px; margin-top:58px; display:flex; align-items:center; gap:16px; color:#858286; font-size:11px; line-height:1.45; }
.feature-mark::after { content:""; height:1px; flex:1; background:#414044; }
.feature-mark img { width:44px; height:44px; border-radius:12px; }
.feature-list { border-top:1px solid #464448; }
.feature-list article { min-height:132px; padding:29px 0; display:grid; grid-template-columns:64px 1fr; border-bottom:1px solid #464448; }
.feature-number { color:#f26260; font-size:11px; }
.feature-list h3 { margin:0 0 9px; font-size:19px; }
.feature-list p { max-width:410px; margin:0; color:#aaa7ab; font-size:13px; line-height:1.8; }

.store-section { min-height:400px; padding:70px max(28px,calc((100% - 1280px)/2)); display:grid; grid-template-columns:180px 1fr 210px; gap:56px; align-items:center; color:#fff; background:var(--red); }
.store-identity { height:220px; padding:24px; display:flex; flex-direction:column; justify-content:space-between; color:#fff; background:var(--red-dark); font-size:10px; font-weight:700; }
.store-identity img { width:88px; height:88px; border-radius:23px; box-shadow:0 14px 28px #8f1e2230; }
.store-copy p { margin-bottom:11px; font-size:11px; font-weight:700; opacity:.72; }
.store-copy h2 { margin-bottom:15px; font-size:42px; line-height:1.25; }
.store-copy>span { font-size:12px; opacity:.76; }
.store-download { height:58px; padding:0 10px 0 20px; display:flex; align-items:center; justify-content:space-between; gap:18px; color:#772226; background:#fff; font-size:13px; font-weight:720; text-decoration:none; transition:transform .2s,box-shadow .2s; }
.store-download:hover { transform:translateY(-3px); box-shadow:0 14px 28px #8c1e2238; }
.store-download b { width:38px; height:38px; display:grid; place-items:center; color:#fff; background:var(--ink); font-size:17px; }

footer { padding:52px max(28px,calc((100% - 1280px)/2)) 30px; color:#929095; background:#151517; font-size:11px; }
.footer-top { display:flex; align-items:end; justify-content:space-between; }
.footer-brand { margin-bottom:10px; display:flex; align-items:center; gap:10px; color:#fff; font-size:15px; }
.footer-brand img { width:31px; height:31px; border-radius:8px; }
.footer-main p,.legal { margin:0; }
.footer-links { display:flex; gap:26px; }
.footer-links a,.credentials a { color:inherit; text-decoration:none; }
.footer-links a:hover,.credentials a:hover { color:#fff; }
.credentials { margin:34px 0 24px; padding:24px 0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:13px 54px; border-top:1px solid #333236; border-bottom:1px solid #333236; }
.credentials p { margin:0; display:grid; grid-template-columns:205px 1fr; gap:12px; line-height:1.7; }
.credentials span { color:#aaa7ab; }
.credentials strong { color:#c1bec2; font-weight:400; }
.legal { color:#7e7b80; }

.legal-page { padding-top:24px; background:#f6f6f3; }
.legal-document a { color:var(--red); }
.legal-document { max-width:900px; margin:0 auto 72px; padding:58px 74px 66px; background:#fff; box-shadow:0 10px 36px #322a260b; }
.legal-document h1 { margin:0 0 8px; font-size:34px; }
.document-kicker { margin:0 0 12px; color:var(--red); font-size:14px; font-weight:700; }
.document-date { margin:0 0 36px; color:#8c888e; font-size:13px; }
.legal-document h2 { margin:38px 0 13px; color:#302c31; font-size:19px; }
.legal-document h3 { margin:0 0 10px; color:#302c31; font-size:16px; }
.legal-document p { margin:0 0 14px; color:#625e65; font-size:15px; line-height:1.9; }
.legal-document strong { color:#363137; }
.sdk-item { margin:16px 0; padding:20px 22px; border-left:3px solid var(--red); background:#fff7f5; }
.sdk-item p { margin-bottom:7px; }

a:focus-visible { outline:3px solid #f2383855; outline-offset:4px; }

@media (max-width:1080px) {
  .hero-copy { width:470px; }
  .hero::after { width:34%; }
  .product-stage { right:-80px; transform:scale(.92); transform-origin:center right; }
  .hero-rail { right:34%; }
  .features-inner { gap:60px; }
}

@media (max-width:820px) {
  .topbar { height:66px; padding:0 18px; }
  .brand { font-size:16px; }
  .brand img { width:34px; height:34px; }
  nav { gap:0; }
  nav a:not(.nav-store):not(.nav-service) { display:none; }
  .nav-service { margin-right:18px; }
  .nav-store { min-width:112px; height:38px; padding-left:13px; }
  .nav-store b { width:25px; height:25px; }
  .hero { height:760px; min-height:0; }
  .hero::after { width:100%; height:272px; inset:auto 0 0; }
  .hero-copy { width:auto; top:38px; right:22px; left:22px; transform:none; text-align:center; }
  .eyebrow { margin-bottom:14px; justify-content:center; }
  .eyebrow span { display:none; }
  h1 { font-size:46px; line-height:1.02; }
  .hero h1 br { display:none; }
  .hero-slogan { margin-bottom:12px; font-size:23px; }
  .hero-text { max-width:520px; margin:0 auto 19px; font-size:13px; line-height:1.7; }
  .hero-actions { justify-content:center; }
  .store-button { min-width:204px; padding:9px 15px; }
  .text-link { display:none; }
  .store-note { margin-top:10px; }
  .product-stage { width:520px; height:360px; top:auto; right:50%; bottom:24px; transform:translateX(50%); }
  .product-stage::before,.product-label { display:none; }
  .phone { top:0; right:50%; transform:translateX(50%) rotate(4deg) scale(.58); transform-origin:top center; }
  .section { padding:78px 18px 84px; }
  .section-heading { display:block; }
  .section-heading h2 { font-size:30px; }
  .section-heading a { width:max-content; margin-top:18px; display:block; }
  .show-grid { grid-template-columns:repeat(2,minmax(0,1fr)); gap:30px 12px; }
  .poster { padding:12px; }
  .poster b { font-size:18px; }
  .poster small { display:none; }
  .show-meta { padding-top:11px; }
  .show-card h3 { font-size:14px; }
  .features { padding:74px 24px 80px; }
  .features-inner { display:block; }
  .feature-intro h2 { font-size:29px; }
  .feature-mark { margin-top:32px; }
  .feature-list { margin-top:46px; }
  .feature-list article { min-height:0; padding:24px 0; grid-template-columns:54px 1fr; }
  .store-section { min-height:0; padding:58px 24px; grid-template-columns:76px 1fr; gap:20px; }
  .store-identity { height:auto; padding:0; background:transparent; }
  .store-identity img { width:70px; height:70px; border-radius:18px; }
  .store-identity span { display:none; }
  .store-copy h2 { font-size:29px; }
  .store-download { grid-column:1/-1; margin-top:8px; }
  footer { padding:40px 24px 26px; text-align:center; }
  .footer-top { display:block; }
  .footer-brand { justify-content:center; }
  .footer-links { margin-top:24px; justify-content:center; gap:20px; }
  .credentials { grid-template-columns:1fr; gap:13px; text-align:left; }
  .credentials p { grid-template-columns:1fr; gap:2px; }
  .legal { line-height:2; }
  .legal-page { padding-top:0; }
  .legal-document { margin:0; padding:38px 24px 48px; box-shadow:none; }
  .legal-document h1 { font-size:28px; }
  .legal-document h2 { margin-top:31px; font-size:18px; }
  .legal-document p { font-size:14px; line-height:1.85; }
  .document-date { margin-bottom:28px; line-height:1.8; }
  .sdk-item { margin:14px 0; padding:17px 16px; }
}

@media (max-width:430px) {
  .brand { gap:8px; font-size:15px; }
  .nav-service { display:none; }
  .hero { height:735px; }
  .hero-copy { top:29px; }
  h1 { font-size:39px; }
  .hero-slogan { font-size:21px; }
  .hero-text { font-size:12px; }
  .product-stage { transform:translateX(50%) scale(.92); transform-origin:bottom center; }
  .poster b { font-size:16px; }
  .show-card h3 { font-size:13px; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .store-button,.store-download,.poster { transition:none; }
}