:root {
  --brand: #e8406e;
  --brand-deep: #c92e55;
  --ink: #1a1a1a;
  --muted: #737177;
  --line: #eee4e7;
  --paper: #fffaf8;
  --surface: #ffffff;
  --soft: #f8edf0;
  --shadow: 0 24px 80px rgba(70, 28, 40, 0.14);
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 12%, rgba(232, 64, 110, 0.18), transparent 28rem),
    linear-gradient(180deg, #fff7f4 0%, #fffdfb 34%, #fff8f5 100%);
  font-family: "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(1180px, calc(100% - 40px));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.68);
  border-radius: 999px;
  background: rgba(255, 250, 248, 0.82);
  box-shadow: 0 12px 42px rgba(72, 27, 39, 0.08);
  backdrop-filter: blur(18px);
}

.brand,
.nav-links,
.hero-actions,
.signal-list,
.legal-links,
.site-footer,
address {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 900;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
  font-family: "Noto Serif TC", serif;
}

.nav-links {
  gap: 26px;
  color: #5f5b60;
  font-size: 15px;
  font-weight: 700;
}

.nav-links a:hover,
.header-action:hover,
.site-footer a:hover {
  color: var(--brand);
}

.header-action {
  padding: 11px 18px;
  border-radius: 999px;
  color: var(--brand);
  background: #fff;
  font-weight: 800;
  box-shadow: 0 8px 22px rgba(232, 64, 110, 0.12);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  gap: clamp(34px, 6vw, 88px);
  align-items: center;
  width: min(1180px, calc(100% - 40px));
  min-height: calc(100vh - 96px);
  margin: 0 auto;
  padding: clamp(58px, 8vw, 104px) 0 clamp(42px, 7vw, 84px);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Noto Serif TC", "Songti TC", serif;
  letter-spacing: 0;
}

h1 {
  max-width: 720px;
  margin-bottom: 22px;
  font-size: clamp(56px, 8vw, 104px);
  line-height: 0.98;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(34px, 5vw, 64px);
  line-height: 1.08;
}

h3 {
  margin-bottom: 14px;
  font-size: 26px;
  line-height: 1.2;
}

.hero-text,
.intro-band p,
.trust-copy p,
.legal-note {
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 14px;
  margin: 34px 0;
}

.primary-action,
.secondary-action {
  min-height: 52px;
  padding: 15px 24px;
  border-radius: 999px;
  font-weight: 900;
}

.primary-action {
  color: #fff;
  background: var(--brand);
  box-shadow: 0 18px 38px rgba(232, 64, 110, 0.24);
}

.secondary-action {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.68);
}

.signal-list {
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}

.signal-list div {
  min-width: 128px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.76);
}

.signal-list dt {
  color: var(--brand);
  font-size: 30px;
  font-weight: 900;
}

.signal-list dd {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.hero-stage {
  position: relative;
  min-height: 680px;
}

.phone {
  position: absolute;
  width: min(54vw, 390px);
  border-radius: 34px;
  box-shadow: var(--shadow);
}

.phone-main {
  right: 170px;
  top: 12px;
  transform: rotate(-5deg);
}

.phone-side {
  right: 0;
  top: 98px;
  transform: rotate(7deg);
}

.section {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 126px) 0;
}

.intro-band {
  display: grid;
  grid-template-columns: 0.82fr 1fr;
  gap: 36px;
  align-items: end;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  min-height: 260px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.74);
}

.feature-wide {
  grid-column: span 2;
}

.feature-accent {
  color: #fff;
  border-color: transparent;
  background: linear-gradient(145deg, var(--brand), #d7365f);
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.feature-accent p,
.feature-accent .feature-index {
  color: rgba(255, 255, 255, 0.82);
}

.feature-index {
  display: block;
  margin-bottom: 42px;
  color: var(--brand);
  font-size: 14px;
  font-weight: 900;
}

.audience-section {
  border-top: 1px solid var(--line);
}

.audience-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.audience-grid article {
  min-height: 300px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: #fff;
  box-shadow: 0 16px 48px rgba(70, 28, 40, 0.07);
}

.audience-grid span {
  display: block;
  margin-bottom: 78px;
  color: var(--brand);
  font-weight: 900;
}

.audience-grid p,
.boundary-copy p,
.promise-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.boundary-section {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 34px;
  align-items: center;
  padding-top: 0;
}

.boundary-copy {
  max-width: 560px;
}

.boundary-list {
  display: grid;
  gap: 12px;
}

.boundary-list div {
  position: relative;
  padding: 22px 24px 22px 58px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.76);
  color: #3c383c;
  font-size: 18px;
  font-weight: 900;
}

.boundary-list div::before {
  content: "";
  position: absolute;
  left: 24px;
  top: 50%;
  width: 14px;
  height: 2px;
  border-radius: 999px;
  background: var(--brand);
  transform: translateY(-50%);
}

.privacy-promise {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: 36px;
  align-items: start;
  padding-top: 0;
}

.promise-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.promise-grid article {
  min-height: 240px;
  padding: 26px;
  border-radius: 28px;
  background: var(--soft);
}

.promise-grid h3 {
  color: var(--brand-deep);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 34px;
}

.screen-strip {
  width: 100%;
  max-width: none;
  overflow: hidden;
  padding-left: max(20px, calc((100vw - 1180px) / 2));
  background: var(--ink);
}

.screen-strip h2 {
  color: #fff;
}

.screen-strip .eyebrow {
  color: #ffb4c7;
}

.screens {
  display: flex;
  gap: 22px;
  overflow-x: auto;
  padding: 0 max(20px, calc((100vw - 1180px) / 2)) 20px 0;
  scroll-snap-type: x mandatory;
}

.screens figure {
  flex: 0 0 min(310px, 78vw);
  margin: 0;
  scroll-snap-align: start;
}

.screens img {
  aspect-ratio: 1320 / 2868;
  width: 100%;
  border-radius: 30px;
  object-fit: cover;
  object-position: top;
}

.screens figcaption {
  margin-top: 14px;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 800;
}

.trust-section {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 34px;
  align-items: center;
}

.trust-steps {
  display: grid;
  gap: 14px;
}

.trust-steps div {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  color: #4c484c;
  font-size: 18px;
  font-weight: 900;
}

.trust-steps span {
  display: grid;
  flex: 0 0 42px;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  color: #fff;
  background: var(--brand);
}

.final-cta {
  display: grid;
  place-items: center;
  text-align: center;
  width: min(980px, calc(100% - 40px));
  padding: clamp(72px, 9vw, 118px) clamp(22px, 6vw, 84px);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 36px;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.34), transparent 18rem),
    linear-gradient(145deg, #e8406e, #c93258);
  box-shadow: var(--shadow);
}

.final-cta .eyebrow,
.final-cta h2 {
  color: #fff;
}

.final-cta h2 {
  max-width: 760px;
}

.final-cta .hero-actions {
  justify-content: center;
  margin: 10px 0 0;
}

.final-cta .primary-action {
  color: var(--brand);
  background: #fff;
  box-shadow: 0 18px 38px rgba(88, 12, 34, 0.18);
}

.final-cta .secondary-action {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.14);
}

.legal-section {
  border-top: 1px solid var(--line);
}

.legal-links {
  gap: 16px;
  flex-wrap: wrap;
}

.legal-links a {
  display: grid;
  gap: 8px;
  min-width: min(100%, 300px);
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 26px;
  background: #fff;
  box-shadow: 0 16px 44px rgba(70, 28, 40, 0.08);
}

.legal-links span {
  color: var(--muted);
  font-weight: 700;
}

.legal-links strong {
  color: var(--brand);
  font-size: 24px;
}

.legal-note {
  margin: 22px 0 0;
  font-size: 15px;
}

code {
  padding: 3px 7px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--brand-deep);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.92em;
}

.site-footer {
  justify-content: space-between;
  gap: 22px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 46px;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 6px 0 0;
  color: var(--muted);
}

address {
  gap: 16px;
  font-style: normal;
  color: var(--muted);
}

@media (max-width: 920px) {
  .site-header {
    border-radius: 28px;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .intro-band,
  .boundary-section,
  .privacy-promise,
  .trust-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: 0;
  }

  .hero-stage {
    min-height: 560px;
  }

  .phone {
    width: min(62vw, 330px);
  }

  .phone-main {
    left: 0;
    right: auto;
  }

  .phone-side {
    right: 0;
  }

  .feature-grid {
    grid-template-columns: 1fr;
  }

  .audience-grid,
  .promise-grid {
    grid-template-columns: 1fr;
  }

  .feature-wide {
    grid-column: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    width: calc(100% - 24px);
    margin-top: 12px;
  }

  .header-action {
    display: none;
  }

  .hero,
  .section,
  .site-footer {
    width: calc(100% - 28px);
  }

  .hero-stage {
    min-height: 620px;
  }

  .phone {
    width: 58vw;
    border-radius: 24px;
  }

  .phone-main {
    top: 0;
  }

  .phone-side {
    top: 64px;
  }

  .hero-text,
  .intro-band p,
  .audience-grid p,
  .boundary-copy p,
  .promise-grid p,
  .trust-copy p {
    font-size: 16px;
  }

  .audience-grid article,
  .promise-grid article {
    min-height: auto;
  }

  .audience-grid span {
    margin-bottom: 48px;
  }

  .boundary-list div {
    align-items: flex-start;
    border-radius: 24px;
    font-size: 16px;
    line-height: 1.45;
  }

  .signal-list div {
    flex: 1 1 130px;
  }

  .site-footer,
  address {
    align-items: flex-start;
    flex-direction: column;
  }
}