:root {
  --orange: #f97316;
  --orange-container: #fff0e6;
  --paper: #faf7f2;
  --paper-strong: #f1ece4;
  --white: #ffffff;
  --ink: #0f172a;
  --ink-muted: #94a3b8;
  --body: #273249;
  --line: #ded8cf;
  --indigo: #6366f1;
  --emerald: #10b981;
  --max: 1180px;
  --radius: 24px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }

.wrap {
  width: min(calc(100% - 48px), var(--max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  z-index: 99;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--white);
  transform: translateY(-160%);
}

.skip-link:focus { transform: none; }

.site-header {
  position: relative;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(calc(100% - 48px), var(--max));
  min-height: 88px;
  margin-inline: auto;
}

.wordmark {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--ink);
  text-decoration: none;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: .08em;
}

.wordmark img { border-radius: 12px; }

.site-header nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.site-header nav a {
  text-decoration: none;
  font-size: 14px;
  font-weight: 800;
}

.site-header nav a:not(.nav-cta):hover { color: var(--orange); }

.nav-cta {
  padding: 10px 18px;
  border-radius: 999px;
  background: var(--orange);
  color: #000;
}

.kicker {
  margin: 0 0 16px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .16em;
  line-height: 1.2;
  text-transform: uppercase;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr);
  align-items: center;
  gap: clamp(44px, 7vw, 96px);
  min-height: calc(100vh - 88px);
  padding-block: 64px 112px;
}

.hero h1,
.policy-hero h1 {
  margin: 0;
  font-size: clamp(64px, 8vw, 116px);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.05;
}

.hero h1 span { color: var(--orange); }

.lede {
  max-width: 620px;
  margin: 34px 0 0;
  color: var(--body);
  font-size: clamp(20px, 2.3vw, 27px);
  font-weight: 650;
  letter-spacing: -.025em;
  line-height: 1.55;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 38px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 54px;
  padding: 13px 24px;
  border: 2px solid transparent;
  border-radius: 999px;
  text-decoration: none;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.2;
  transition: transform .18s ease, background-color .18s ease;
}

.button:hover { transform: translateY(-2px); }
.button:focus-visible,
.site-header a:focus-visible,
.text-link:focus-visible,
.policy-nav a:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 4px;
}

.button-primary { background: var(--orange); color: #000; }
.button-ghost { border-color: var(--ink); background: transparent; }
.button-ghost:hover { background: var(--white); }
.button-ink { background: var(--ink); color: var(--white); }

.microcopy {
  margin: 16px 0 0;
  color: #697386;
  font-size: 13px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  min-height: 640px;
  overflow: hidden;
  border-radius: var(--radius);
  background: var(--ink);
}

.hero-visual img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.intro { padding-block: 120px; }

.section-heading {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  align-items: end;
  gap: 64px;
  margin-bottom: 54px;
}

.section-heading h2,
.feature-card h2,
.privacy-promise h2,
.final-cta h2 {
  margin: 0;
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.1;
}

.section-heading p { margin: 0; color: var(--body); font-weight: 600; }

.feature-showcase {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  align-items: stretch;
  gap: 20px;
}

.showcase-copy {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 660px;
  padding: 44px;
  border-radius: var(--radius);
  background: var(--white);
}

.metric strong {
  display: block;
  margin-bottom: -12px;
  color: var(--orange);
  font-size: clamp(94px, 12vw, 160px);
  font-weight: 900;
  letter-spacing: -.08em;
  line-height: .85;
  font-variant-numeric: tabular-nums;
}

.metric span { font-size: 12px; font-weight: 900; letter-spacing: .14em; }

.check-list {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-weight: 750;
}

.check-list li { position: relative; padding-left: 26px; }
.check-list li::before { position: absolute; left: 0; color: var(--orange); content: "●"; }

.phone-stage {
  display: grid;
  min-height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  place-items: center;
}

.orange-stage { background: var(--orange); }
.phone-stage img {
  position: static;
  width: min(100%, 420px);
  height: auto;
  object-fit: contain;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  padding-block: 20px 120px;
}

.feature-card {
  position: relative;
  min-height: 560px;
  padding: clamp(34px, 5vw, 58px);
  overflow: hidden;
  border-radius: var(--radius);
}

.feature-card h2 { font-size: clamp(38px, 4.5vw, 61px); }
.feature-card > p:not(.kicker) { max-width: 520px; margin-top: 26px; font-weight: 650; }
.card-time-flow { display: flex; flex-direction: column; background: var(--white); }
.card-paper { background: var(--white); }
.card-orange {
  display: grid;
  grid-column: 1 / -1;
  grid-template-columns: minmax(0, 1fr) minmax(300px, .62fr);
  align-items: center;
  gap: clamp(28px, 6vw, 72px);
  min-height: 760px;
  background: var(--orange);
  color: #000;
}
.card-orange-copy > p:not(.kicker) { max-width: 470px; margin-top: 26px; font-weight: 650; }
.widget-media { display: grid; min-width: 0; margin: 0; place-items: center; }
.card-screen {
  position: static;
  width: min(100%, 360px);
  height: auto;
  border-radius: 28px;
}

.time-flow-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: auto;
  padding-top: 34px;
}
.time-flow-tile {
  display: grid;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 20px;
  background: var(--tile);
}
.time-flow-ring {
  position: relative;
  display: grid;
  width: 82%;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
}
.time-flow-ring svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  overflow: visible;
  transform: rotate(150deg);
}
.time-flow-ring circle {
  fill: none;
  stroke-linecap: round;
  stroke-width: 12;
}
.time-flow-ring .ring-track {
  stroke: var(--track);
  stroke-dasharray: 167.552 251.327;
}
.time-flow-ring .ring-value {
  stroke: var(--accent);
  stroke-dasharray: var(--arc) 251.327;
}
.time-flow-ring > span {
  position: relative;
  z-index: 1;
  display: grid;
  place-content: center;
  text-align: center;
}
.time-flow-ring strong,
.time-flow-ring small { display: block; }
.time-flow-ring strong { color: var(--accent); font-size: clamp(18px, 2.2vw, 28px); font-weight: 900; line-height: 1; }
.time-flow-ring small { margin-top: 5px; color: var(--label); font-size: 9px; font-weight: 900; letter-spacing: .06em; }

.countdown-chip {
  position: absolute;
  right: 44px;
  bottom: 48px;
  left: 44px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  border: 2px solid var(--ink);
  border-radius: 20px;
}
.countdown-chip > span:first-child { display: grid; width: 48px; aspect-ratio: 1; place-items: center; border-radius: 14px; background: var(--orange-container); font-size: 23px; }
.countdown-chip small,
.countdown-chip strong { display: block; }
.countdown-chip small { color: #697386; font-size: 12px; font-weight: 800; }
.countdown-chip strong { font-size: 19px; font-weight: 900; }

.gallery-section { padding-bottom: 120px; }
.section-heading.compact { grid-template-columns: 1fr 1fr; }
.section-heading.compact h2 { font-size: clamp(40px, 4.6vw, 62px); }

.screen-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 320px));
  justify-content: center;
  gap: 20px;
}

.screen-gallery:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: 8px;
}

.screen-gallery figure { min-width: 0; margin: 0; }
.screen-gallery img {
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: contain;
}
.screen-gallery figcaption { margin-top: 12px; font-size: 13px; font-weight: 900; letter-spacing: .06em; }
.gallery-hint { display: none; }

.privacy-promise {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  padding: clamp(42px, 7vw, 82px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}

.privacy-promise h2 { font-size: clamp(40px, 4.5vw, 64px); }
.privacy-copy { align-self: end; }
.privacy-copy p { margin: 0 0 28px; color: #d6dce7; font-weight: 600; }
.text-link { color: var(--orange); text-decoration: none; font-weight: 900; }
.text-link:hover { text-decoration: underline; text-underline-offset: 5px; }

.steps { padding-bottom: 120px; }

.steps h2,
.faq h2 {
  margin: 0 0 40px;
  font-size: clamp(40px, 4.6vw, 62px);
  font-weight: 900;
  letter-spacing: -.015em;
  line-height: 1.1;
}

.steps-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.steps-list li {
  padding: 30px 28px 34px;
  border-radius: var(--radius);
  background: var(--white);
}

.steps-list strong {
  color: var(--orange);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .1em;
}

.steps-list h3 {
  margin: 10px 0 8px;
  font-size: 22px;
  font-weight: 900;
  letter-spacing: -.015em;
}

.steps-list p { margin: 0; color: var(--body); font-weight: 600; }

.faq { padding-block: 120px 120px; }

.faq-list { display: grid; gap: 12px; max-width: 860px; }

.faq details {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
}

.faq summary {
  position: relative;
  padding: 20px 56px 20px 24px;
  list-style: none;
  cursor: pointer;
  font-weight: 800;
}

.faq summary::-webkit-details-marker { display: none; }

.faq summary::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 24px;
  transform: translateY(-50%);
  color: var(--orange);
  font-size: 22px;
  font-weight: 900;
}

.faq details[open] summary::after { content: "−"; }

.faq details p { margin: 0; padding: 0 24px 20px; color: var(--body); }

.faq details a { color: #c34f05; font-weight: 750; text-underline-offset: 4px; }

.faq summary:focus-visible {
  outline: 3px solid var(--indigo);
  outline-offset: -3px;
}

.final-cta { margin-top: 120px; background: var(--orange); }
.final-cta-inner { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; min-height: 300px; }
.final-cta img { border-radius: 24px; }
.final-cta h2 { font-size: clamp(38px, 4.5vw, 62px); }

.site-footer {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center;
  gap: 34px;
  min-height: 170px;
  color: #667085;
  font-size: 13px;
}
.footer-wordmark { color: var(--ink); font-size: 15px; }
.footer-links { display: flex; gap: 22px; }
.footer-links a { text-decoration: none; font-weight: 800; }
.footer-links a:hover { color: var(--orange); }

/* Privacy policy */
.policy-page { background: var(--paper); }
.policy-hero { background: var(--orange); }
.policy-hero-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  align-items: end;
  gap: 72px;
  min-height: 520px;
  padding-block: 84px 76px;
}
.policy-hero h1 { font-size: clamp(62px, 8vw, 108px); }
.policy-summary { padding: 26px 0 8px; border-top: 3px solid #000; }
.policy-summary p { margin: 0 0 18px; font-size: clamp(20px, 2.3vw, 28px); font-weight: 850; line-height: 1.45; }
.policy-summary span { font-size: 13px; font-weight: 850; }

.policy-promises {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-top: -30px;
  position: relative;
  z-index: 2;
}

.policy-promises > div {
  padding: 22px 24px;
  border-radius: 18px;
  background: var(--white);
  border: 1px solid var(--line);
}

.policy-promises strong {
  display: block;
  font-size: 16px;
  font-weight: 900;
}

.policy-promises p {
  margin: 6px 0 0;
  color: var(--body);
  font-size: 13.5px;
  font-weight: 600;
}

.policy-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 760px);
  justify-content: space-between;
  gap: 72px;
  padding-block: 92px 130px;
}

.policy-nav { position: sticky; top: 32px; align-self: start; }
.policy-nav ol { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.policy-nav a { color: #667085; text-decoration: none; font-size: 13px; font-weight: 750; }
.policy-nav a:hover { color: var(--orange); }

.policy-article { min-width: 0; }
.policy-article > section { padding-block: 56px; border-bottom: 1px solid var(--line); }
.policy-article > section:first-child { padding-top: 0; }
.policy-lead {
  padding: 34px !important;
  border: 0 !important;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
}
.policy-lead strong { color: var(--orange); font-size: 12px; font-weight: 900; letter-spacing: .14em; }
.policy-article .policy-lead p { margin-bottom: 0; color: var(--white); font-size: 21px; font-weight: 750; }
.section-number { margin: 0; color: var(--orange); font-size: 14px; font-weight: 900; font-variant-numeric: tabular-nums; }
.policy-article h2 { margin: 4px 0 26px; font-size: clamp(31px, 4vw, 46px); font-weight: 900; letter-spacing: -.015em; line-height: 1.1; }
.policy-article h3 { margin: 34px 0 6px; font-size: 20px; font-weight: 900; }
.policy-article p { color: var(--body); }
.policy-article ul { display: grid; gap: 12px; padding-left: 24px; color: var(--body); }
.policy-article a:not(.button) { color: #c34f05; font-weight: 750; text-underline-offset: 4px; }
.policy-article code { padding: 3px 8px; border-radius: 8px; background: var(--orange-container); color: #7c2d12; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .85em; overflow-wrap: anywhere; }
.permission-list { display: grid; gap: 12px; }
.permission-list > div { display: grid; grid-template-columns: minmax(190px, .38fr) 1fr; gap: 24px; padding: 22px; border-radius: 18px; background: var(--white); }
.permission-list p { margin: 0; }
.contact-panel { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 36px; padding: 30px; border-radius: var(--radius); background: var(--white); }
.contact-panel h3 { margin: 0; }
.contact-panel .kicker { margin-bottom: 6px; color: var(--orange); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-visual { min-height: 610px; }
  .section-heading,
  .section-heading.compact,
  .privacy-promise { grid-template-columns: 1fr; gap: 30px; }
  .hero-visual {
    width: min(100%, 520px);
    min-height: 0;
    aspect-ratio: 9 / 16;
    justify-self: center;
  }
  .feature-showcase { grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); }
  .feature-grid { grid-template-columns: 1fr; }
  .card-paper { min-height: 0; padding-bottom: 190px; }
  .card-orange { grid-column: auto; }
  .gallery-hint {
    display: block;
    margin: -30px 0 18px;
    color: #697386;
    font-size: 13px;
    font-weight: 750;
  }
  .screen-gallery {
    display: flex;
    width: calc(100vw - 24px);
    justify-content: flex-start;
    gap: 16px;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    scroll-padding-inline: 0 24px;
    scroll-snap-type: x mandatory;
    padding: 0 24px 14px 0;
    -webkit-overflow-scrolling: touch;
  }
  .screen-gallery figure { flex: 0 0 min(42vw, 320px); scroll-snap-align: start; }
  .final-cta-inner { grid-template-columns: auto 1fr; padding-block: 48px; }
  .final-cta .button { grid-column: 2; justify-self: start; }
  .site-footer { grid-template-columns: auto 1fr auto; }
  .site-footer small { grid-column: 2 / -1; }
  .policy-layout { grid-template-columns: minmax(0, 1fr); gap: 36px; }
  .policy-nav { position: static; min-width: 0; }
  .policy-nav ol {
    display: flex;
    gap: 8px;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 6px;
  }
  .policy-nav li { flex: 0 0 auto; }
  .policy-nav a {
    display: inline-block;
    padding: 8px 14px;
    border: 1.5px solid var(--line);
    border-radius: 999px;
    background: var(--white);
    white-space: nowrap;
  }
  .policy-promises { grid-template-columns: 1fr 1fr; gap: 10px; margin-top: -24px; }
}

@media (max-width: 680px) {
  body { font-size: 16px; }
  .wrap,
  .site-header { width: min(calc(100% - 32px), var(--max)); }
  .site-header { min-height: 74px; }
  .site-header nav { gap: 14px; }
  .site-header nav > a:not(.nav-cta) { display: none; }
  .wordmark img { width: 38px; height: 38px; }
  .hero { min-height: auto; padding-block: 52px 80px; }
  .hero h1 { font-size: clamp(57px, 18vw, 82px); }
  .lede { font-size: 20px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-visual { min-height: 0; }
  .intro { padding-block: 86px; }
  .feature-showcase { grid-template-columns: 1fr; }
  .phone-stage { grid-row: 1; }
  .showcase-copy { grid-row: 2; min-height: 440px; padding: 32px; }
  .feature-grid { padding-bottom: 88px; }
  .feature-card { min-height: 500px; padding: 34px 28px; }
  .card-orange { grid-template-columns: 1fr; gap: 34px; min-height: 0; }
  .card-screen { width: min(100%, 320px); }
  .time-flow-cards { gap: 8px; }
  .time-flow-tile { border-radius: 16px; }
  .time-flow-ring strong { font-size: clamp(17px, 5vw, 23px); }
  .time-flow-ring small { font-size: 7px; }
  .countdown-chip { right: 26px; bottom: 30px; left: 26px; }
  .screen-gallery {
    width: calc(100vw - 16px);
    scroll-padding-inline: 0 16px;
    padding: 0 16px 14px 0;
  }
  .screen-gallery figure { flex: 0 0 76vw; scroll-snap-align: start; }
  .steps-list { grid-template-columns: 1fr; }
  .steps { padding-bottom: 88px; }
  .faq { padding-block: 88px; }
  .privacy-promise { width: 100%; border-radius: 0; padding: 56px 28px; }
  .final-cta { margin-top: 0; }
  .final-cta-inner { grid-template-columns: 1fr; text-align: left; }
  .final-cta .button { grid-column: auto; justify-self: stretch; }
  .site-footer { grid-template-columns: 1fr; gap: 12px; padding-block: 44px; }
  .site-footer small { grid-column: auto; }
  .footer-links { margin-block: 8px; }
  .policy-hero-inner { grid-template-columns: 1fr; gap: 54px; min-height: 570px; padding-block: 66px 54px; }
  .policy-hero h1 { font-size: clamp(56px, 17vw, 78px); }
  .policy-layout { padding-block: 60px 88px; }
  .policy-article > section { padding-block: 44px; }
  .permission-list > div { grid-template-columns: 1fr; gap: 8px; }
  .contact-panel { align-items: stretch; flex-direction: column; }
  .contact-panel .button { overflow-wrap: anywhere; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}