:root {
  --cream: #fff4dc;
  --paper: #fffdf8;
  --ink: #102a3c;
  --muted: #516879;
  --cyan: #11b9c2;
  --cyan-dark: #068894;
  --yellow: #ffc654;
  --coral: #ef6a57;
  --line: #18384a;
  --shadow: 8px 10px 0 rgba(239, 106, 87, 0.18);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 7% 77%, rgba(17, 185, 194, .17) 0 9rem, transparent 9.1rem),
    radial-gradient(circle at 93% 8%, rgba(255, 198, 84, .35) 0 13rem, transparent 13.1rem),
    var(--cream);
  font-family: ui-rounded, "SF Pro Rounded", "PingFang TC", "Noto Sans TC", system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

a { color: inherit; }

.site-header {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 88px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-weight: 900;
  text-decoration: none;
}

.brand img { border-radius: 11px; box-shadow: 3px 4px 0 rgba(16, 42, 60, .18); }

.tiny-link {
  color: var(--ink);
  font-weight: 800;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.header-links { display: flex; align-items: center; gap: 26px; }
.header-links a { color: var(--ink); font-size: .9rem; font-weight: 850; text-decoration: none; }
.header-links a:not(.tiny-link):hover { text-decoration: underline; text-decoration-thickness: 2px; text-underline-offset: 5px; }

.hero {
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 88px);
  margin: 0 auto;
  padding: 44px 0 86px;
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  align-items: center;
  gap: clamp(42px, 7vw, 110px);
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 18px;
  padding: 7px 13px;
  border: 2px solid var(--line);
  border-radius: 999px;
  background: var(--paper);
  box-shadow: 3px 4px 0 rgba(16, 42, 60, .15);
  font-size: .9rem;
  font-weight: 900;
  letter-spacing: .08em;
}

h1 {
  margin: 0;
  font-size: clamp(3.6rem, 5.2vw, 4.75rem);
  line-height: .92;
  letter-spacing: -.065em;
  font-weight: 950;
  word-break: keep-all;
  text-wrap: balance;
}

.hero-copy h1 span { color: var(--cyan-dark); }

.punchline {
  margin: 20px 0 22px;
  font-size: clamp(2.1rem, 4vw, 4.3rem);
  line-height: 1.03;
  font-weight: 950;
  letter-spacing: -.055em;
}

.punchline span { color: var(--cyan-dark); }

.intro {
  max-width: 38rem;
  margin: 24px 0 26px;
  color: var(--muted);
  font-size: 1.08rem;
  font-weight: 650;
}

.download-row { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }

.download-button {
  min-height: 66px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border: 2.5px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  color: var(--ink);
  box-shadow: 4px 5px 0 rgba(16, 42, 60, .14);
  font: inherit;
  font-weight: 900;
  line-height: 1.15;
  text-align: left;
  text-decoration: none;
  cursor: pointer;
  transition: transform .16s ease, box-shadow .16s ease, background .16s ease;
}

.download-button:hover,
.download-button:focus-visible { transform: translate(-2px, -2px); box-shadow: 7px 8px 0 rgba(16, 42, 60, .16); }
.download-button:focus-visible { outline: 4px solid rgba(17, 185, 194, .38); outline-offset: 3px; }
.download-button.primary { background: var(--ink); color: #fff; }
.download-button.direct-download {
  grid-column: 1 / -1;
  background: var(--cyan);
  color: #fff;
  box-shadow: 4px 5px 0 rgba(6, 136, 148, .25);
}
.download-button.pending { background: #fff0cb; color: var(--ink); }
.download-button small { display: block; opacity: .68; font-size: .68rem; font-weight: 800; letter-spacing: .04em; }
.download-icon { width: 34px; flex: 0 0 34px; font-size: 1.45rem; text-align: center; }
.download-icon.apple-mark { font-family: -apple-system, BlinkMacSystemFont, sans-serif; font-size: 1.8rem; line-height: 1; }
.download-note { margin: 12px 4px 0; color: var(--muted); font-size: .82rem; }

.hero-visual { position: relative; min-height: 650px; display: grid; place-items: center; }
.phone-card {
  width: min(370px, 78%);
  overflow: hidden;
  border: 3px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 18px 20px 0 rgba(17, 185, 194, .27), -10px -8px 0 rgba(255, 198, 84, .75);
  transform: rotate(2.2deg);
  z-index: 2;
}
.phone-card img { display: block; width: 100%; height: auto; }
.orbit { position: absolute; border-radius: 50%; z-index: 0; }
.orbit-one { width: 160px; height: 160px; right: 0; top: 5%; background: var(--cyan); }
.orbit-two { width: 120px; height: 120px; left: 3%; bottom: 2%; background: var(--yellow); }
.sticker {
  position: absolute;
  z-index: 3;
  padding: 11px 14px;
  border: 2.5px solid var(--line);
  border-radius: 16px;
  background: var(--paper);
  box-shadow: var(--shadow);
  font-size: .86rem;
  line-height: 1.3;
  font-weight: 900;
  text-align: center;
}
.sticker-one { left: -1%; top: 23%; transform: rotate(-8deg); }
.sticker-two { right: -2%; bottom: 19%; transform: rotate(7deg); }

.section-shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }

.marquee {
  display: flex;
  width: 100%;
  min-width: 0;
  overflow: hidden;
  border-top: 3px solid var(--line);
  border-bottom: 3px solid var(--line);
  background: var(--ink);
  color: white;
  font-weight: 900;
  font-size: 1.05rem;
  letter-spacing: .06em;
  white-space: nowrap;
  transform: rotate(-1.2deg) scale(1.02);
}
.marquee-track {
  display: flex;
  flex: 0 0 auto;
  width: max-content;
  animation: ticker 22s linear infinite;
  will-change: transform;
}
.marquee-track span { flex: 0 0 auto; padding: 16px 0; }
@keyframes ticker { to { transform: translateX(-25%); } }

.features { padding: 150px 0 120px; }
.section-heading { display: grid; grid-template-columns: 1.2fr 1fr; gap: 42px 90px; align-items: end; margin-bottom: 60px; }
.section-heading .eyebrow { grid-column: 1 / -1; justify-self: start; margin-bottom: -14px; }
h2 {
  margin: 0;
  font-size: clamp(2.7rem, 4.2vw, 4rem);
  line-height: .98;
  letter-spacing: -.055em;
  font-weight: 950;
  word-break: keep-all;
  text-wrap: balance;
}
h2 span { color: var(--cyan-dark); }
.section-heading > p:last-child { margin: 0 0 7px; color: var(--muted); font-size: 1.12rem; font-weight: 650; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.feature-card {
  position: relative;
  min-height: 286px;
  padding: 28px;
  overflow: hidden;
  border: 3px solid var(--line);
  border-radius: 28px;
  background: #dff9f6;
  box-shadow: 8px 9px 0 rgba(16, 42, 60, .13);
}
.feature-card.coral { background: #ffe3da; }
.feature-card.yellow { background: #fff0b9; }
.feature-card.dark { background: var(--ink); color: white; }
.feature-card h3 { max-width: 78%; margin: 64px 0 10px; font-size: clamp(1.7rem, 3vw, 2.8rem); line-height: 1; letter-spacing: -.045em; }
.feature-card p { max-width: 82%; margin: 0; color: var(--muted); font-weight: 650; }
.feature-card.dark p { color: #cee0e9; }
.feature-number { position: absolute; top: 24px; left: 28px; font-size: .82rem; font-weight: 950; letter-spacing: .12em; }
.feature-emoji { position: absolute; top: 22px; right: 24px; font-size: 3.4rem; transform: rotate(7deg); }

.screenshot-section {
  position: relative;
  padding: 92px 70px 80px;
  border: 3px solid var(--line);
  border-radius: 36px;
  background: #192f59;
  color: white;
  box-shadow: 12px 14px 0 rgba(239, 106, 87, .38);
}
.screenshot-copy { display: grid; grid-template-columns: 1.1fr .9fr; gap: 34px 36px; align-items: end; margin-bottom: 48px; }
.screenshot-copy .eyebrow { grid-column: 1 / -1; justify-self: start; margin-bottom: -8px; }
.eyebrow.inverse { background: #fff; color: var(--ink); }
.screenshot-copy h2 { font-size: clamp(2.6rem, 3.8vw, 3.8rem); }
.screenshot-copy h2 span { color: #60ded7; }
.screenshot-copy > p:last-child { margin: 0 0 8px; color: #d9e4f5; font-weight: 700; text-wrap: balance; }
.marketing-shot { margin: 0; }
.marketing-shot img { display: block; width: 100%; height: auto; border: 3px solid var(--line); border-radius: 24px; }
.marketing-shot figcaption { padding: 12px 2px 0; color: #b6c6e4; font-size: .82rem; text-align: right; }

.direct { padding: 160px 0; display: grid; grid-template-columns: minmax(0, 1fr) minmax(440px, .9fr); gap: 80px; align-items: center; }
.direct h2 { font-size: clamp(2.6rem, 3.5vw, 3.5rem); }
.direct-lead { max-width: 610px; margin: 28px 0; color: var(--muted); font-size: 1.12rem; font-weight: 650; }
.check-list { display: grid; gap: 12px; margin: 0 0 30px; padding: 0; list-style: none; }
.check-list li { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.check-list span { display: grid; width: 27px; height: 27px; place-items: center; flex: 0 0 27px; border: 2px solid var(--line); border-radius: 50%; background: var(--yellow); font-size: .8rem; }
.direct-section-download { max-width: 430px; }
.release-status { max-width: 530px; margin: 12px 4px 0; color: var(--muted); font-size: .82rem; }
.fine-print { max-width: 530px; color: var(--muted); font-size: .8rem; }
.hardware-card { border: 3px solid var(--line); border-radius: 28px; overflow: hidden; background: var(--paper); box-shadow: 14px 16px 0 rgba(17, 185, 194, .28); transform: rotate(1.5deg); }
.hardware-topbar { display: flex; align-items: center; gap: 8px; padding: 15px 18px; border-bottom: 2px solid #dce5e8; background: #eef3f4; }
.hardware-topbar span { width: 13px; height: 13px; border: 1.5px solid var(--line); border-radius: 50%; background: var(--coral); }
.hardware-topbar span:nth-child(2) { background: var(--yellow); }
.hardware-topbar span:nth-child(3) { background: #5aca73; }
.hardware-topbar strong { margin-left: auto; font-size: .82rem; }
.device-pill { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 14px; margin: 20px; padding: 15px; border: 2px solid var(--line); border-radius: 16px; background: #ddf8f4; }
.device-pill > span { font-size: 2rem; }
.device-pill small, .device-pill strong { display: block; }
.device-pill small { color: var(--muted); font-size: .72rem; }
.device-pill b { padding: 4px 8px; border-radius: 999px; background: var(--ink); color: white; font-size: .7rem; }
.hardware-card dl { margin: 0; padding: 0 20px; }
.hardware-card dl div { display: grid; grid-template-columns: .6fr 1.4fr; gap: 12px; padding: 15px 3px; border-bottom: 1.5px solid #dbe3e6; }
.hardware-card dt { font-weight: 850; }
.hardware-card dd { margin: 0; color: var(--muted); text-align: right; font-weight: 700; }

.privacy-strip { display: grid; grid-template-columns: auto 1.35fr 1fr; align-items: center; gap: 32px 54px; padding: 58px; border: 3px solid var(--line); border-radius: 32px; background: #ffe3da; box-shadow: 10px 11px 0 rgba(16, 42, 60, .13); }
.privacy-icon { font-size: clamp(4rem, 8vw, 7rem); }
.privacy-strip .eyebrow { margin: 0 0 18px; }
.privacy-strip h2 { font-size: clamp(2.35rem, 3.3vw, 3.4rem); }
.privacy-strip > p { color: var(--muted); font-size: 1.05rem; font-weight: 700; }

.final-cta { padding: 170px 0 150px; text-align: center; }
.cta-icon { display: block; margin: 0 auto 26px; border-radius: 30px; box-shadow: 9px 10px 0 rgba(16, 42, 60, .18); transform: rotate(-3deg); }
.final-cta .eyebrow { margin-bottom: 22px; }
.final-cta h2 { margin-bottom: 44px; font-size: clamp(3.6rem, 6.2vw, 6.2rem); }
.download-row.compact { max-width: 680px; margin: 0 auto; }

footer {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 44px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  border-top: 2px solid var(--line);
  font-size: .8rem;
  font-weight: 800;
}
footer p { margin: 0; color: var(--muted); text-align: center; }
.footer-links { display: flex; justify-self: end; align-items: center; gap: 18px; }
.footer-links a { color: var(--ink); text-underline-offset: 4px; }

.policy-page { padding-bottom: 120px; }
.policy-hero { padding: 72px 0 64px; }
.policy-hero h1 { max-width: 900px; font-size: clamp(3.4rem, 7vw, 6.6rem); }
.policy-lead { margin: 30px 0 14px; color: var(--muted); font-size: clamp(1.12rem, 2vw, 1.35rem); font-weight: 700; white-space: nowrap; }
.policy-date { margin: 0; color: var(--muted); font-size: .9rem; font-weight: 800; }
.policy-content { overflow: hidden; border: 3px solid var(--line); border-radius: 32px; background: var(--paper); box-shadow: 10px 11px 0 rgba(16, 42, 60, .13); }
.policy-summary,
.policy-section { padding: 42px 52px; }
.policy-summary { background: #dff9f6; border-bottom: 2px solid var(--line); }
.policy-summary h2,
.policy-section h2 { margin: 0 0 18px; font-size: clamp(1.65rem, 3vw, 2.3rem); letter-spacing: -.04em; }
.policy-summary ul { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 24px; margin: 0; padding: 0; list-style: none; }
.policy-summary li { position: relative; padding-left: 30px; font-weight: 850; }
.policy-summary li::before { position: absolute; left: 0; content: "✓"; color: var(--cyan-dark); font-weight: 950; }
.policy-section + .policy-section { border-top: 1.5px solid #dbe3e6; }
.policy-section p { margin: 0; color: var(--muted); font-weight: 650; }
.policy-section p + p { margin-top: 14px; }
.policy-section a { color: var(--cyan-dark); font-weight: 850; text-underline-offset: 4px; }
.policy-contact { background: #fff0b9; }

.reveal { opacity: 0; transform: translateY(22px); transition: opacity .62s ease, transform .62s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding-top: 30px; }
  .hero-copy { max-width: 680px; }
  .hero-visual { min-height: 590px; }
  .section-heading, .screenshot-copy { grid-template-columns: 1fr; gap: 28px; }
  .direct { grid-template-columns: 1fr; }
  .hardware-card { max-width: 650px; margin: 0 auto; }
  .privacy-strip { grid-template-columns: auto 1fr; }
  .privacy-strip > p { grid-column: 1 / -1; }
  .policy-lead { white-space: normal; }
  footer { grid-template-columns: 1fr auto; }
  footer p { display: none; }
  .footer-links { grid-column: 1 / -1; justify-self: start; }
}

@media (max-width: 560px) {
  .site-header, .hero { width: min(100% - 28px, 1180px); }
  .site-header { min-height: 74px; }
  .brand span { font-size: .9rem; }
  .header-links a:not(.tiny-link) { display: none; }
  .tiny-link { display: block; font-size: .78rem; }
  .hero { min-height: auto; padding: 34px 0 72px; gap: 54px; }
  .marquee { transform: none; }
  h1 { font-size: clamp(2.65rem, 12.5vw, 3.4rem); }
  h2,
  .screenshot-copy h2,
  .direct h2,
  .privacy-strip h2,
  .final-cta h2 { font-size: clamp(2rem, 9.5vw, 2.35rem); }
  .punchline { font-size: 1.85rem; }
  .download-row { grid-template-columns: 1fr; }
  .download-button.direct-download { grid-column: auto; }
  .hero-visual { min-height: 500px; }
  .phone-card { width: min(360px, 88%); border-radius: 28px; }
  .sticker-one { left: -2%; top: 18%; }
  .sticker-two { right: -1%; bottom: 12%; }
  .features { padding: 110px 0 85px; }
  .section-heading { margin-bottom: 38px; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-card { min-height: 250px; }
  .screenshot-section { width: calc(100% - 20px); padding: 66px 17px 40px; border-radius: 26px; }
  .screenshot-copy { padding: 0 4px; }
  .marketing-shot img { border-radius: 16px; }
  .direct { padding: 110px 0; gap: 55px; }
  .hardware-card { border-radius: 20px; transform: none; }
  .device-pill { grid-template-columns: auto 1fr; }
  .device-pill b { grid-column: 2; justify-self: start; }
  .hardware-card dl div { grid-template-columns: 1fr; gap: 2px; }
  .hardware-card dd { text-align: left; }
  .privacy-strip { grid-template-columns: 1fr; padding: 34px 24px; }
  .privacy-strip > p { grid-column: auto; }
  .final-cta { padding: 120px 0 110px; }
  .download-row.compact { grid-template-columns: 1fr; }
  .policy-page { padding-bottom: 80px; }
  .policy-hero { padding: 54px 0 44px; }
  .policy-hero h1 { font-size: clamp(2.8rem, 14vw, 4rem); }
  .policy-summary,
  .policy-section { padding: 30px 24px; }
  .policy-summary ul { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; text-align: center; }
  footer .brand, .footer-links { justify-self: center; }
  .footer-links { flex-direction: column; gap: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .001ms !important; animation-duration: .001ms !important; }
  .marquee-track { animation: none !important; transform: none !important; }
  .reveal { opacity: 1; transform: none; }
}