:root {
  color-scheme: light;
  --pink: #ff2f8f;
  --deep-pink: #e91574;
  --soft-pink: #fff4f8;
  --ink: #141116;
  --text: #4f464d;
  --muted: #7c7279;
  --line: #f2e7ee;
  --white: #ffffff;
  --orange: #ff8a5b;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--white);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
}

.brand-logo {
  display: block;
  width: 146px;
  max-width: 42vw;
  height: auto;
}

.site-header nav,
.site-footer nav {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--text);
  font-size: 15px;
}

.site-header a:hover,
.site-footer a:hover {
  color: var(--deep-pink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 520px);
  gap: clamp(36px, 7vw, 96px);
  align-items: center;
  min-height: calc(100vh - 78px);
  padding: clamp(44px, 8vw, 96px) clamp(20px, 6vw, 96px);
  background: linear-gradient(180deg, #fff8fb 0%, #ffffff 74%);
}

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

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

h1 {
  margin-bottom: 18px;
  font-size: clamp(58px, 9vw, 112px);
  line-height: 0.95;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  color: var(--text);
  font-size: 22px;
  line-height: 1.7;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0 24px;
  font-weight: 800;
}

.primary-action {
  background: var(--pink);
  color: var(--white);
}

.secondary-action {
  border: 1px solid var(--line);
  background: var(--white);
  color: var(--deep-pink);
}

.product-visual {
  position: relative;
  display: grid;
  justify-items: center;
  gap: 18px;
}

.phone-shell {
  width: min(100%, 320px);
  border: 10px solid var(--ink);
  border-radius: 34px;
  background: var(--soft-pink);
  padding: 16px;
  box-shadow: 0 30px 80px rgba(20, 17, 22, 0.16);
}

.phone-top {
  width: 92px;
  height: 6px;
  margin: 0 auto 18px;
  border-radius: 99px;
  background: #2d272c;
}

.app-hero {
  border-radius: 24px;
  background: var(--pink);
  color: var(--white);
  padding: 26px 20px;
}

.app-hero span,
.ticket small,
.store-row small,
.panel span {
  display: block;
  font-size: 13px;
}

.app-hero strong {
  display: block;
  margin-top: 10px;
  font-size: 34px;
  line-height: 1.1;
}

.ticket,
.store-row {
  margin-top: 14px;
  border-radius: 18px;
  background: var(--white);
  padding: 16px;
}

.ticket strong {
  display: block;
  margin: 8px 0 10px;
  font-size: 20px;
}

.ticket span {
  color: var(--deep-pink);
  font-weight: 900;
}

.store-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.store-row > span {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--orange);
}

.panel {
  width: min(100%, 380px);
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--white);
  padding: 18px;
  box-shadow: 0 18px 40px rgba(233, 21, 116, 0.08);
}

.panel strong {
  display: block;
  margin-bottom: 6px;
}

.section {
  padding: clamp(56px, 8vw, 96px) clamp(20px, 6vw, 96px);
}

.band {
  background: var(--soft-pink);
}

.section-heading {
  max-width: 740px;
  margin-bottom: 32px;
}

h2 {
  font-size: clamp(32px, 5vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
}

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

.feature-grid article,
.product-list > div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: 24px;
}

.feature-index {
  color: var(--deep-pink);
  font-size: 12px;
  font-weight: 900;
}

h3 {
  margin: 12px 0;
  font-size: 22px;
  letter-spacing: 0;
}

.feature-grid p,
.product-list p,
.contact-section p,
.doc p {
  color: var(--text);
  line-height: 1.8;
}

.product-list {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 420px);
  gap: 40px;
  background: var(--ink);
  color: var(--white);
}

.contact-section p,
.contact-section .eyebrow {
  color: #ffd7e7;
}

.contact-list {
  display: grid;
  gap: 14px;
  margin: 0;
}

.contact-list div {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  padding-bottom: 14px;
}

.contact-list dt {
  color: #ffd7e7;
  font-size: 13px;
}

.contact-list dd {
  margin: 6px 0 0;
  font-size: 18px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 96px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.document-page {
  background: #fff;
}

.doc {
  max-width: 860px;
  margin: 0 auto;
  padding: clamp(42px, 8vw, 84px) 20px;
}

.doc h1 {
  font-size: clamp(42px, 7vw, 72px);
}

.doc h2 {
  margin-top: 34px;
  font-size: 26px;
}

@media (max-width: 920px) {
  .hero,
  .contact-section {
    grid-template-columns: 1fr;
  }

  .feature-grid,
  .product-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .site-header,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-header nav,
  .site-footer nav {
    flex-wrap: wrap;
  }

  .brand-logo {
    width: 132px;
    max-width: 58vw;
  }

  .lead {
    font-size: 18px;
  }

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