:root {
  --paper: #f7f3e9;
  --ink: #10143f;
  --muted: #555a78;
  --line: #10143f;
  --yellow: #ffc233;
  --pink: #ef3d9a;
  --green: #57c970;
  --cyan: #37c2d8;
  --orange: #f19a16;
  --soft-blue: #dcecff;
  --white: #fffdf8;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--ink);
  background: var(--paper);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: var(--paper); }
a { color: inherit; }
main,
section { scroll-margin-top: 18px; }

.site-header {
  max-width: 1440px;
  margin: 0 auto;
  padding: 26px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.brand {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  text-decoration: none;
  font-size: 25px;
  font-weight: 900;
  letter-spacing: -1.2px;
}

.brand img { width: 48px; height: 48px; border-radius: 12px; }
.brand-copy { display: grid; gap: 2px; line-height: 1; }
.brand-copy strong { font: inherit; letter-spacing: inherit; }
.site-header nav, footer nav { display: flex; flex-wrap: wrap; align-items: center; gap: 28px; }
.site-header nav a, footer nav a {
  min-width: 44px;
  min-height: 44px;
  padding: 0 3px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 5px;
  font-size: 14px;
  font-weight: 750;
}
.site-header nav a:hover, footer nav a:hover { color: #008ca7; }

a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid #008ca7;
  outline-offset: 4px;
}

main { border-top: 2px solid var(--line); }
.hero {
  position: relative;
  max-width: 1440px;
  margin: 0 auto;
  padding: 80px 48px 96px;
  min-height: 700px;
  display: flex;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
}

.hero-copy { position: relative; z-index: 3; max-width: 960px; }
.hero::after { content: ""; position: absolute; z-index: 2; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(247,243,233,.99) 0 46%, rgba(247,243,233,.82) 58%, rgba(247,243,233,.18) 75%, rgba(247,243,233,.02) 100%); }

.version {
  margin: 0 0 26px;
  display: grid;
  justify-items: start;
  gap: 2px;
  font-size: 14px;
  font-weight: 800;
  color: var(--muted);
  letter-spacing: .02em;
}
.version-mobile { display: none; }
.version-platforms,
.version-desktop {
  display: inline-grid;
  grid-template-columns: 6em auto;
  gap: 10px;
  align-items: baseline;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
}
.version-platform-label,
.version-desktop-label,
.version-desktop-value { white-space: nowrap; }
.version-platform-current {
  display: inline-flex;
  align-items: baseline;
}
.version-platform-android {
  display: inline-flex;
  align-items: baseline;
  margin-left: 18px;
  padding-left: 18px;
  border-left: 1.5px solid currentColor;
  width: max-content;
  color: inherit;
  opacity: .64;
}

.hero h1 {
  margin: 0;
  max-width: 1040px;
  font-size: clamp(54px, 5.5vw, 80px);
  line-height: .98;
  letter-spacing: -.065em;
  font-weight: 950;
}

.hero-title-caret { display: none; }
.hero-title-line { display: block; }
.hero-title-mobile { display: none; }

.intro {
  margin: 34px 0 0;
  max-width: 900px;
  display: grid;
  gap: 14px;
  font-size: clamp(18px, 1.5vw, 22px);
  line-height: 1.55;
  color: #333859;
  font-weight: 550;
}

.intro > span { display: block; }
.intro-role { font-weight: 650; }
.intro-product { margin-left: .12em; color: var(--ink); font-weight: 800; white-space: nowrap; }
.intro-muted { display: block; margin-top: 8px; color: #626982; font-weight: 520; }
.intro-muted-line { display: block; }
.intro-action { margin-top: 2px; color: var(--ink); font-size: clamp(23px, 2vw, 29px); font-weight: 900; line-height: 1.28; letter-spacing: -.025em; }
.mobile-break { display: none; }

.perfect {
  color: #f19a16;
  font-style: normal;
  font-weight: 950;
  letter-spacing: .015em;
}

.player-joke {
  display: inline-grid;
  min-width: 6.1em;
  margin: 0 .08em;
  color: var(--ink);
  font-weight: 850;
  cursor: help;
  outline: none;
}

.player-joke-normal,
.player-joke-alt {
  grid-area: 1 / 1;
  transition: opacity .14s ease, transform .14s ease, color .14s ease;
}

.player-joke-alt {
  color: #ef3d9a;
  opacity: 0;
  transform: translateY(3px);
}

.player-joke:hover .player-joke-normal,
.player-joke:focus-visible .player-joke-normal {
  opacity: 0;
  transform: translateY(-3px);
}

.player-joke:hover .player-joke-alt,
.player-joke:focus-visible .player-joke-alt {
  opacity: 1;
  transform: translateY(0);
}

.hero-actions { margin-top: 38px; display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; min-height: 56px; font: inherit; font-size: 16px; font-weight: 850; }
.button-primary {
  padding: 0 26px;
  color: white;
  background: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 7px 7px 0 var(--yellow);
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease;
}
.button-primary:not(:disabled):hover { transform: translate(3px, 3px); box-shadow: 4px 4px 0 var(--yellow); }
.hero-testflight-slot { display: inline-flex; }
.button-status {
  padding: 0 24px;
  color: var(--ink);
  background: #eee8d9;
  border: 2px solid var(--ink);
  box-shadow: 7px 7px 0 var(--yellow);
  cursor: default;
  opacity: 1;
}
.button-status:disabled { color: var(--ink); opacity: 1; }
.button-text { text-underline-offset: 7px; text-decoration-thickness: 2px; }

.hero-preview {
  position: absolute;
  z-index: 1;
  top: 24px;
  right: 100px;
  width: min(48vw, 560px);
  height: 650px;
  opacity: 1;
  pointer-events: none;
}

.preview-stage {
  position: absolute;
  inset: 0;
  display: block;
  color: #0e131b;
}

.preview-screen {
  position: absolute;
  width: 300px;
  aspect-ratio: 9 / 19.5;
  overflow: hidden;
  border: 3px solid #10143f;
  border-radius: 30px;
  box-shadow: 0 22px 42px rgba(16,20,63,.23), 8px 8px 0 rgba(55,194,216,.68);
}

.preview-screen > img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center top;
}

.preview-home {
  z-index: 1;
  top: 10px;
  left: 0;
  width: 280px;
  aspect-ratio: 1179 / 2438;
  background: #edf3fa;
  transform: rotate(-4deg);
  opacity: .30;
  filter: saturate(.72) contrast(.90);
}

.preview-home > img {
  object-fit: contain;
}

.preview-recognition {
  z-index: 2;
  top: 76px;
  right: 50px;
  width: 320px;
  aspect-ratio: 1179 / 2185;
  color: #f9fbff;
  background: #000;
  transform: rotate(3.5deg);
  opacity: .64;
}

.preview-recognition > img {
  object-fit: contain;
  filter: contrast(1.04) saturate(1.03);
}

.app-home-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.app-welcome { display: grid; gap: 2px; }
.app-welcome > small { color: #687280; font: 850 8px/1 ui-monospace, monospace; }
.app-welcome > b { font-size: clamp(21px, 2.1vw, 28px); line-height: .83; letter-spacing: -.045em; }
.app-welcome i { padding-left: 24px; font-style: normal; }
.app-welcome em { color: #ffcc16; font-style: normal; }
.app-welcome em + * { color: #20bed4; }
.app-head-tools { display: flex; align-items: flex-end; gap: 6px; }
.app-gear { width: 26px; height: 26px; display: grid; place-items: center; color: #09bcd3; background: #e8eef5; border: 1px solid rgba(55,194,216,.65); border-radius: 50%; font-size: 13px; }
.app-version { display: grid; gap: 2px; text-align: right; }
.app-version small { color: #687280; font-size: 7px; font-weight: 850; }
.app-version b { padding: 6px 7px; color: #108ea2; background: rgba(255,255,255,.8); border: 1px solid rgba(55,194,216,.38); border-radius: 6px; font-size: 8px; white-space: nowrap; }

.random-row { margin-top: 7%; display: flex; align-items: center; gap: 5px; }
.random-row b { font-size: 14px; letter-spacing: -.03em; }
.random-row i { width: 28px; height: 15px; background: linear-gradient(to bottom, #ff5d1a 0 18%, transparent 18% 30%, #ffca18 30% 48%, transparent 48% 60%, #f52b91 60% 78%, transparent 78% 88%, #36d563 88%); transform: rotate(-5deg); }
.random-row span { margin-left: auto; padding: 6px 10px; color: #0d1017; background: #ffdc24; border-radius: 6px; font-size: 8px; font-weight: 900; }
.random-card { margin-top: 7px; min-height: 190px; padding: 10px; display: grid; grid-template-columns: 64px minmax(0, 1fr); grid-template-rows: 64px auto; gap: 8px 10px; background: rgba(255,255,255,.96); border: 1.4px solid rgba(55,194,216,.58); border-radius: 8px; }
.random-jacket { width: 64px; height: 64px; align-self: center; padding: 3px; background: #edf2f8; border: 1px solid #c4cfdb; border-radius: 7px; }
.random-jacket img { width: 100%; height: 100%; border-radius: 5px; object-fit: cover; }
.random-copy { display: grid; align-content: center; gap: 4px; min-width: 0; }
.random-copy b { font-size: 12px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.random-copy small { color: #687280; font-size: 8px; font-weight: 750; }
.random-charts { grid-column: 1 / 3; display: grid; gap: 3px; }
.random-charts > b { height: 18px; display: grid; place-items: center; color: #f29420; background: rgba(242,148,32,.11); border-radius: 4px; font: 950 8px/1 ui-monospace, monospace; }
.random-charts > span { min-height: 19px; padding: 3px 7px; display: grid; grid-template-columns: 7px 1fr auto auto; align-items: center; gap: 5px; color: #111722; background: #f4f7fb; border-radius: 4px; }
.random-charts i { width: 7px; height: 7px; border-radius: 50%; }
.random-charts em { font: 900 7px/1 ui-monospace, monospace; font-style: normal; }
.random-charts small { color: #f29420; font: 900 6px/1 ui-monospace, monospace; }
.random-charts strong { min-width: 25px; color: #f1a10e; font-size: 9px; text-align: right; }
.chart-basic { background: #42c868; }
.chart-advanced { background: #f1ba26; }
.chart-expert { background: #ef4963; }
.chart-master { background: #8c2ad9; }

.recognition-doors { margin-top: auto; display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.recognition-door { min-height: 105px; padding: 11px; display: flex; flex-direction: column; gap: 4px; color: #111722; background: rgba(255,255,255,.96); border: 1px solid currentColor; border-radius: 8px; }
.recognition-door b { margin-bottom: 5px; font-size: 13px; letter-spacing: -.025em; }
.recognition-door small { color: #5a6573; font-size: 8px; line-height: 1.25; font-weight: 750; }
.recognition-door small i { color: #ef3d9a; font-style: normal; font-size: 12px; }
.recognition-song { border-color: rgba(55,194,216,.65); }
.recognition-song b { color: #18b8cf; }
.recognition-score { border-color: rgba(239,61,154,.58); }
.recognition-score b { color: #ef3d9a; }

.app-tabbar { margin: 10px auto 0; width: calc(100% - 8px); padding: 5px; display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; background: rgba(255,255,255,.96); border: 1px solid #cbd6e1; border-radius: 16px 16px 23px 23px; box-shadow: 0 5px 10px rgba(14,24,40,.12); }
.app-tabbar span { min-height: 38px; display: grid; place-items: center; align-content: center; gap: 2px; color: #687280; border: 1px solid #d7dfe8; border-radius: 9px; }
.app-tabbar b { font-size: 11px; line-height: 1; }
.app-tabbar small { font-size: 7px; font-weight: 850; }
.app-tabbar .is-active { color: #0f131b; background: #36cfe2; border-color: #10143f; }

.capture-mode-switch { position: absolute; z-index: 3; inset: 44% 0 auto; display: flex; justify-content: space-between; pointer-events: none; }
.capture-mode-switch span { padding: 7px 9px; color: #fff; background: rgba(10,14,22,.78); border: 1px solid; font-size: 8px; font-weight: 900; }
.song-mode { border-color: rgba(55,194,216,.85) !important; border-left: 0 !important; border-radius: 0 10px 10px 0; }
.score-mode { border-color: rgba(239,61,154,.85) !important; border-right: 0 !important; border-radius: 10px 0 0 10px; }

.camera-surface { position: absolute; width: 100%; aspect-ratio: 3 / 4; left: 50%; top: 50%; overflow: hidden; background: linear-gradient(135deg, #11151b, #2a3038 48%, #0d1118 100%); transform: translate(-50%,-50%); }
.camera-surface::before { content: ""; position: absolute; inset: 4% 8% 11%; opacity: .56; background: linear-gradient(145deg, #1b232c, #4e5864 45%, #171b21 46% 100%); clip-path: polygon(12% 0, 88% 0, 100% 18%, 100% 82%, 88% 100%, 12% 100%, 0 82%, 0 18%); }
.camera-surface::after { content: ""; position: absolute; width: 88%; aspect-ratio: 1; left: 50%; top: 55%; border: 22px solid rgba(0,0,0,.42); border-radius: 50%; box-shadow: 0 0 0 3px rgba(255,255,255,.12), inset 0 0 45px rgba(55,194,216,.14); transform: translate(-50%,-50%); }
.capture-guide-label { position: absolute; z-index: 2; top: 9%; left: 50%; padding: 4px 8px; color: #cbd7e5; background: rgba(0,0,0,.62); border-radius: 5px; font: 850 7px/1 ui-monospace, monospace; letter-spacing: .08em; transform: translateX(-50%); }
.capture-circle { position: absolute; z-index: 2; width: 88%; aspect-ratio: 1; left: 50%; top: 55%; border: 2.5px solid rgba(55,194,216,.98); border-radius: 50%; box-shadow: inset 0 0 36px rgba(55,194,216,.08); transform: translate(-50%,-50%); }
.capture-anchor { --anchor-color: #fff; position: absolute; z-index: 3; color: var(--anchor-color); border: 2px solid var(--anchor-color); border-radius: 5px; box-shadow: 0 2px 5px rgba(0,0,0,.55), inset 0 0 0 2px rgba(255,255,255,.16); }
.capture-anchor b { position: absolute; top: 4px; left: 4px; padding: 2px 5px; color: #071016; background: var(--anchor-color); border: 1px solid rgba(255,255,255,.7); border-radius: 999px; font: 950 6px/1 ui-monospace, monospace; white-space: nowrap; }
.anchor-title { --anchor-color: #37c2d8; left: 18%; top: 30.5%; width: 70%; height: 9%; background: rgba(55,194,216,.08); }
.anchor-best { --anchor-color: #ffc233; left: 24%; top: 39.2%; width: 40%; height: 4%; background: rgba(255,194,51,.08); }
.anchor-score { --anchor-color: #ef3d9a; left: 6%; top: 42.5%; width: 58%; height: 8.5%; background: rgba(239,61,154,.08); }
.anchor-score b { top: auto; right: 4px; bottom: 4px; left: auto; }
.anchor-judgment { --anchor-color: #57c970; left: 49%; top: 63.5%; width: 19%; height: 14.5%; background: rgba(87,201,112,.08); }
.anchor-judgment b { right: 4px; left: auto; }
.camera-hint { position: absolute; z-index: 2; left: 50%; bottom: 10%; padding: 5px 8px; color: #fff; background: rgba(0,0,0,.68); border-radius: 12px; font-size: 8px; font-weight: 800; white-space: nowrap; transform: translateX(-50%); }

.capture-shutter { position: absolute; z-index: 4; left: 50%; bottom: 4%; width: 82px; height: 82px; display: grid; grid-template-rows: 1fr auto auto; place-items: center; padding: 9px; color: #0f131b; background: #fff; border: 5px solid #12c1d7; border-radius: 50%; box-shadow: 0 6px 14px rgba(0,0,0,.28); transform: translateX(-50%); }
.capture-shutter b { align-self: end; font-size: 21px; line-height: 1; }
.capture-shutter small { font-size: 9px; line-height: 1; font-weight: 950; }
.capture-shutter i { color: #56606c; font: 850 5px/1 ui-monospace, monospace; }

.feature-rail { border-top: 3px solid var(--line); border-bottom: 3px solid var(--line); }
.feature { --feature-accent: var(--yellow); min-height: 150px; display: grid; grid-template-columns: minmax(92px, 11vw) minmax(0, 1fr); border-bottom: 2px solid var(--line); transition: background-color .16s ease; }
.feature:hover { background: rgba(255,253,248,.46); }
.feature:last-child { border-bottom: 0; }
.feature > span { display: grid; place-items: center; border-right: 2px solid var(--line); font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 28px; font-weight: 950; }
.feature > div { max-width: 1440px; padding: 30px 48px; display: grid; grid-template-columns: minmax(280px, .55fr) minmax(320px, 1fr); align-items: center; gap: 44px; }
.feature h2 { margin: 0; font-size: clamp(23px, 2.1vw, 34px); letter-spacing: -.035em; }
.feature p { margin: 0; font-size: 17px; line-height: 1.6; color: #404665; }
.feature-text { display: grid; gap: 13px; }
.feature .feature-joke {
  justify-self: start;
  max-width: 100%;
  padding: 5px 9px;
  color: var(--ink);
  background: var(--white);
  border: 1.5px solid var(--line);
  box-shadow: 4px 4px 0 var(--feature-accent);
  font-size: 13px;
  line-height: 1.35;
  font-weight: 850;
  transform: rotate(-.35deg);
}
.feature-joke span { color: var(--feature-accent); font-weight: 950; }
.feature-yellow { --feature-accent: var(--yellow); }
.feature-pink { --feature-accent: var(--pink); }
.feature-green { --feature-accent: var(--green); }
.feature-cyan { --feature-accent: var(--cyan); }
.feature-orange { --feature-accent: var(--orange); }
.feature > span { background: var(--feature-accent); }

.local-first { max-width: 1440px; margin: 0 auto; padding: 120px 48px; }
.section-heading { display: flex; align-items: center; gap: 20px; }
.square-mark { width: 26px; height: 26px; flex: 0 0 auto; background: var(--yellow); border: 3px solid var(--ink); }
.section-heading h2 { margin: 0; font-size: clamp(42px, 5.5vw, 78px); line-height: 1.05; letter-spacing: -.055em; }
.local-grid { margin-top: 54px; padding-top: 34px; border-top: 3px solid var(--line); display: grid; grid-template-columns: 1fr 1fr; gap: clamp(50px, 8vw, 130px); }
.local-lead { margin: 0; font-size: clamp(22px, 2vw, 30px); line-height: 1.55; font-weight: 750; }
.local-points { display: grid; gap: 28px; }
.local-points p { margin: 0; display: grid; grid-template-columns: 190px 1fr; gap: 28px; font-size: 16px; line-height: 1.65; }
.local-points b { font-size: 17px; }
.local-points span { color: var(--muted); }

.testflight { padding: 70px max(48px, calc((100vw - 1344px) / 2)); background: var(--soft-blue); border-top: 3px solid var(--line); border-bottom: 3px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 60px; }
.section-number { margin: 0 0 14px; font-family: ui-monospace, "SFMono-Regular", Menlo, monospace; font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.testflight h2 { margin: 0; font-size: clamp(36px, 4.2vw, 62px); letter-spacing: -.05em; }
.testflight p:last-child { margin: 22px 0 0; max-width: 720px; font-size: 17px; line-height: 1.65; color: #454b6c; }
.testflight button { flex: 0 0 auto; min-width: 220px; min-height: 58px; padding: 0 24px; color: #5d6382; background: var(--white); border: 2px solid #8d94b6; font: inherit; font-weight: 850; cursor: not-allowed; }
.testflight-link { flex: 0 0 auto; min-width: 220px; min-height: 58px; padding: 0 24px; justify-content: center; }

.test-contact {
  padding: 48px max(48px, calc((100vw - 1344px) / 2));
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  background: var(--paper);
  border-bottom: 3px solid var(--line);
}
.test-contact h2 { margin: 0; font-size: clamp(28px, 2.8vw, 42px); letter-spacing: -.04em; }
.test-contact p { margin: 14px 0 0; max-width: 720px; color: var(--muted); font-size: 16px; line-height: 1.65; }
.test-contact-actions { display: flex; flex-wrap: wrap; align-items: center; justify-content: flex-end; gap: 18px 24px; }
.qq-group-link {
  min-height: 54px;
  padding: 0 22px;
  justify-content: center;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--cyan);
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease;
}
.qq-group-link:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--cyan); }
.contact-email {
  min-height: 54px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  color: var(--ink);
  background: var(--white);
  border: 2px solid var(--line);
  box-shadow: 6px 6px 0 var(--yellow);
  font-size: 14px;
  font-weight: 800;
  overflow-wrap: anywhere;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease;
}
.contact-email:hover { transform: translate(3px, 3px); box-shadow: 3px 3px 0 var(--yellow); }

footer { max-width: 1440px; margin: 0 auto; padding: 38px 48px 46px; display: flex; align-items: center; justify-content: space-between; gap: 36px; }
footer > div { display: flex; align-items: baseline; gap: 16px; }
footer strong { font-size: 22px; }
footer span { font-size: 13px; color: var(--muted); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button-primary { transition: none; }
  .preview-screen { transition: none; }
  .feature,
  .qq-group-link,
  .contact-email,
  .player-joke-normal,
  .player-joke-alt { transition: none; }
  .hero-title-caret { display: none !important; }
}

@media (max-width: 1120px) {
  .hero { min-height: 650px; padding-top: 72px; grid-template-columns: minmax(0, 1fr) minmax(300px, .55fr); gap: 38px; }
  .hero-copy { max-width: 960px; }
  .hero h1 { max-width: 900px; }
  .intro { max-width: 820px; }
  .feature > div { grid-template-columns: 1fr; gap: 9px; }
  .local-grid { grid-template-columns: 1fr; }
  .testflight { align-items: flex-start; flex-direction: column; }
}

@media (min-width: 900px) {
  .intro-muted-line { white-space: nowrap; }
}

@media (max-width: 700px) {
  .site-header { padding: 18px 20px; align-items: flex-start; }
  .brand { align-items: flex-start; gap: 11px; font-size: 21px; }
  .brand img { width: 42px; height: 42px; border-radius: 10px; }
  .brand-copy { padding-top: 10px; gap: 4px; }
  .site-header nav { justify-content: flex-end; gap: 12px 18px; }
  .site-header nav a:nth-child(n+3) { display: none; }
  .hero { position: relative; min-height: auto; min-block-size: auto; padding: 52px 20px 88px; display: block; overflow: hidden; isolation: isolate; }
  .hero::after { content: ""; position: absolute; z-index: 2; inset: 0; pointer-events: none; background: linear-gradient(90deg, rgba(247,243,233,1) 0 52%, rgba(247,243,233,.99) 68%, rgba(247,243,233,.92) 84%, rgba(247,243,233,.55) 100%); }
  .hero-copy { position: relative; z-index: 3; max-width: none; }
  .version { margin-bottom: 18px; gap: 2px; color: #4d536f; font-size: 12px; line-height: 1.2; letter-spacing: .075em; }
  .version-desktop { display: none; }
  .version-mobile { display: inline; }
  .version-platforms {
    gap: 2px 8px;
  }
  .hero h1 {
    max-width: 370px;
    min-height: 3em;
    font-size: 40px;
    line-height: 1;
    letter-spacing: -1.5px;
  }
  .hero-title-desktop { display: none; }
  .hero-title-mobile { display: block; }
  .hero-title-text { white-space: normal; }
  .hero-title-line { white-space: nowrap; }
  .intro {
    margin-top: 22px;
    max-width: 350px;
    display: grid;
    gap: 12px;
    font-size: 15px;
    line-height: 1.48;
  }
  .intro > span { display: block; }
  .intro-role { color: #343a5a; font-size: 16px; font-weight: 680; line-height: 1.55; }
  .intro-role .intro-product { display: inline; margin-left: .1em; font-weight: 820; }
  .intro-muted { margin-top: 0; color: #626982; font-weight: 600; }
  .intro-muted-line { white-space: normal; }
  .intro-action { margin-top: 4px; color: var(--ink); font-size: clamp(19px, 5.1vw, 21px); font-weight: 900; line-height: 1.3; letter-spacing: -.025em; text-wrap: balance; }
  .intro-action .perfect { font-size: 1.04em; }
  .mobile-break { display: initial; }
  .hero-preview { position: absolute; z-index: 1; top: 34px; right: calc((100vw - 390px) * .5 - 34px); bottom: 0; width: 340px; height: auto; margin: 0; display: block; opacity: 1; filter: none; pointer-events: none; transform: none; }
  .preview-stage { box-shadow: none; }
  .preview-screen { width: 225px; }
  .preview-home { top: 0; left: 0; width: 205px; opacity: .16; filter: saturate(.58) contrast(.86); }
  .preview-recognition { top: 48px; right: 0; width: 235px; opacity: .56; }
  .preview-screen { padding: 0; }
  .app-welcome > b { font-size: clamp(22px, 7vw, 28px); }
  .recognition-door { min-height: 100px; }
  .preview-hint { display: none; }
  .feature {
    min-height: 176px;
    grid-template-columns: 72px minmax(0, 1fr);
    align-content: stretch;
    column-gap: 0;
    padding: 0;
    background: transparent;
  }
  .feature > span {
    width: auto;
    height: auto;
    min-height: 100%;
    align-self: stretch;
    border: 0;
    border-right: 2px solid var(--line);
    font-size: 22px;
    line-height: 1;
  }
  .feature > div {
    min-width: 0;
    padding: 22px 20px;
    grid-template-columns: 1fr;
    align-content: center;
    align-items: center;
    gap: 8px;
  }
  .feature h2 { font-size: 23px; line-height: 1.18; }
  .feature p { font-size: 15px; line-height: 1.55; }
  .feature-text { gap: 12px; }
  .feature .feature-joke { padding: 5px 8px; font-size: 12px; }
  .local-first { padding: 52px 20px; }
  .section-heading { gap: 12px; }
  .section-heading h2 {
    font-size: clamp(28px, 7.7vw, 33px);
    font-weight: 900;
    line-height: 1.08;
    letter-spacing: -.045em;
    white-space: nowrap;
  }
  .square-mark { width: 20px; height: 20px; }
  .local-grid { margin-top: 28px; padding-top: 28px; gap: 36px; }
  .local-points p { grid-template-columns: 1fr; gap: 6px; }
  .testflight { padding: 60px 20px; gap: 34px; }
  .testflight button,
  .testflight-link { width: 100%; }
  .test-contact { padding: 44px 20px 48px; grid-template-columns: 1fr; gap: 26px; }
  .test-contact h2 { font-size: 29px; }
  .test-contact-actions { flex-direction: column; align-items: stretch; gap: 14px; }
  .qq-group-link { width: 100%; }
  .contact-email { width: 100%; justify-content: center; text-align: center; }
  footer { padding: 32px 20px 40px; flex-direction: column; align-items: flex-start; }
  footer > div { flex-direction: column; gap: 4px; }
  footer nav { gap: 6px 14px; }
}

@supports (height: 100svh) {
  @media (max-width: 700px) {
    .hero { min-block-size: calc(100svh - 80px); }
  }
}

@keyframes hero-caret-blink {
  0%, 48% { opacity: 1; }
  49%, 100% { opacity: 0; }
}