:root {
  --rose: #ff5f92;
  --berry: #b83867;
  --mint: #2fd4b5;
  --jade: #18a98f;
  --lemon: #ffd76b;
  --ink: #342335;
  --muted: #816f7d;
  --line: #f1d9e2;
  --paper: rgba(255, 255, 255, 0.86);
  --shadow: 0 24px 70px rgba(128, 85, 104, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
  background:
    radial-gradient(circle at 8% 6%, rgba(255, 215, 107, 0.35), transparent 26%),
    radial-gradient(circle at 92% 0%, rgba(47, 212, 181, 0.24), transparent 28%),
    linear-gradient(160deg, #fff4f8 0%, #f1fff9 50%, #fff8ec 100%);
}

body {
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "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;
  width: min(1180px, calc(100% - 48px));
  margin: 18px auto 0;
  padding: 12px 14px;
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px);
  box-shadow: 0 14px 38px rgba(128, 85, 104, 0.1);
}

.brand,
.site-header nav,
.hero-actions,
.proof-strip {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 18px;
}

.brand span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: linear-gradient(145deg, #fff, #fff1f6);
  box-shadow: 0 12px 26px rgba(184, 56, 103, 0.14);
}

.brand img {
  width: 28px;
  height: 28px;
  object-fit: contain;
}

.site-header nav {
  gap: 8px;
}

.site-header nav a {
  padding: 10px 13px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 900;
}

.site-header nav a:last-child {
  background: #fff0f6;
  color: var(--berry);
}

main {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(360px, 0.95fr);
  gap: 48px;
  align-items: center;
  min-height: calc(100vh - 96px);
  padding: 58px 0 44px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--berry);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.04em;
}

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

h1 {
  max-width: 680px;
  margin-bottom: 22px;
  font-size: clamp(40px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: 0;
}

.lead {
  max-width: 640px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.8;
}

.hero-actions {
  gap: 14px;
  margin-bottom: 24px;
}

.primary-action,
.secondary-action,
.guide-card a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 900;
}

.primary-action,
.guide-card a {
  background: linear-gradient(135deg, var(--rose), #ff9fb6);
  color: #fff;
  box-shadow: 0 16px 32px rgba(255, 95, 146, 0.22);
}

.secondary-action {
  background: #eafff7;
  color: var(--jade);
}

.proof-strip {
  flex-wrap: wrap;
  gap: 10px;
}

.proof-strip span {
  padding: 9px 12px;
  border: 1px solid rgba(255, 95, 146, 0.12);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.72);
  color: var(--berry);
  font-size: 14px;
  font-weight: 900;
}

.hero-panel {
  padding: 22px;
  border: 1px solid rgba(255, 255, 255, 0.74);
  border-radius: 34px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.88), rgba(255, 245, 249, 0.76)),
    rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}

.phone-preview {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  padding: 20px;
}

.preview-top {
  display: grid;
  grid-template-columns: 48px 1fr 64px;
  gap: 14px;
  align-items: center;
  padding: 18px;
  border-radius: 24px;
  background: linear-gradient(135deg, #ff7da7 0%, #ffb86f 56%, #2fd4b5 124%);
  color: #fff;
}

.preview-top img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.preview-top span,
.preview-top strong {
  display: block;
}

.preview-top span {
  font-size: 13px;
  opacity: 0.88;
}

.preview-top strong {
  margin-top: 4px;
  font-size: 22px;
}

.preview-top b {
  display: grid;
  place-items: center;
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.92);
  color: var(--berry);
  font-size: 26px;
}

.preview-actions {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin: 16px 0;
}

.preview-actions span {
  display: grid;
  place-items: center;
  gap: 8px;
  min-height: 92px;
  border-radius: 22px;
  background: #fff;
  font-weight: 900;
  box-shadow: 0 10px 28px rgba(128, 85, 104, 0.1);
}

.preview-actions img {
  width: 42px;
  height: 42px;
  object-fit: contain;
}

.preview-route {
  display: grid;
  gap: 12px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 24px;
}

.preview-route p {
  display: grid;
  grid-template-columns: 18px 1fr auto;
  gap: 10px;
  align-items: center;
  margin: 0;
}

.preview-route i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--rose), var(--mint));
}

.preview-route em {
  color: var(--berry);
  font-style: normal;
  font-weight: 900;
}

.section {
  padding: 68px 0;
}

.section-headline {
  max-width: 720px;
  margin-bottom: 28px;
}

h2 {
  margin-bottom: 14px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.12;
}

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

.feature-grid article,
.guide-card,
.report-band div {
  border: 1px solid rgba(244, 217, 227, 0.82);
  border-radius: 24px;
  background: var(--paper);
  box-shadow: 0 14px 36px rgba(128, 85, 104, 0.1);
}

.feature-grid article {
  padding: 24px;
}

.feature-grid img {
  width: 54px;
  height: 54px;
  object-fit: contain;
  margin-bottom: 18px;
}

.feature-grid h3,
.guide-card h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.feature-grid p,
.guide-card p,
.report-band p,
.source-note {
  color: var(--muted);
  line-height: 1.7;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 28px;
  align-items: stretch;
}

.step-list {
  display: grid;
  gap: 14px;
}

.step-list article {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: center;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.74);
}

.step-list b {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border-radius: 18px;
  background: #fff0f6;
  color: var(--berry);
  font-size: 20px;
}

.step-list span {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.55;
}

.guide-card {
  padding: 28px;
}

.guide-card p {
  margin-bottom: 22px;
}

.report-band {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.report-band div {
  padding: 24px;
}

.report-band strong {
  display: block;
  margin-bottom: 10px;
  color: var(--berry);
  font-size: 24px;
}

.source-note {
  margin: 20px 0 0;
  padding: 18px 20px;
  border-radius: 20px;
  background: rgba(234, 255, 247, 0.72);
  color: #287962;
}

@media (max-width: 820px) {
  .site-header,
  main {
    width: min(100% - 28px, 680px);
  }

  .site-header {
    align-items: flex-start;
    gap: 12px;
  }

  .site-header nav {
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero,
  .split,
  .feature-grid,
  .report-band {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }
}

@media (max-width: 560px) {
  .site-header {
    position: static;
    flex-direction: column;
  }

  .site-header nav {
    justify-content: flex-start;
  }

  h1 {
    font-size: 40px;
  }

  .hero-actions,
  .proof-strip {
    align-items: stretch;
    flex-direction: column;
  }

  .preview-actions {
    grid-template-columns: 1fr;
  }
}
