:root {
  color-scheme: light;
  --pink: #ff5c9a;
  --pink-dark: #cf336f;
  --mint: #7dddc3;
  --cream: #fff7f2;
  --yellow: #ffd166;
  --ink: #27323a;
  --muted: #69747a;
  --line: #eaded6;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(39, 50, 58, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--cream);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif;
  line-height: 1.6;
}

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(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}

.brand-pin {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 8px;
  background: var(--pink);
  color: var(--white);
  box-shadow: 0 10px 24px rgba(255, 92, 154, 0.32);
}

.nav-links {
  display: flex;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a {
  padding: 8px 10px;
  border-radius: 8px;
}

.nav-links a:hover {
  background: rgba(255, 92, 154, 0.1);
  color: var(--ink);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.8fr);
  gap: 54px;
  align-items: center;
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100vh - 76px);
  margin: 0 auto;
  padding: 36px 0 64px;
}

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

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--pink-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 10px;
  font-size: clamp(54px, 8vw, 96px);
  line-height: 0.95;
  letter-spacing: 0;
}

.hero-subtitle {
  margin-bottom: 18px;
  color: var(--pink-dark);
  font-size: 24px;
  font-weight: 800;
}

.hero-text {
  max-width: 620px;
  color: #47525a;
  font-size: 20px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.primary-action,
.secondary-action {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  padding: 10px 18px;
  font-weight: 800;
}

.primary-action {
  background: var(--pink);
  color: var(--white);
  box-shadow: 0 14px 32px rgba(255, 92, 154, 0.26);
}

.secondary-action {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.72);
}

.phone-preview {
  align-self: stretch;
  max-width: 420px;
  margin-left: auto;
  border: 1px solid rgba(39, 50, 58, 0.08);
  border-radius: 28px;
  padding: 18px;
  background: var(--white);
  box-shadow: var(--shadow);
}

.phone-bar {
  display: flex;
  gap: 6px;
  padding: 4px 2px 16px;
}

.phone-bar span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--line);
}

.phone-bar span:first-child {
  background: var(--pink);
}

.preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.preview-grid img {
  aspect-ratio: 1;
  border-radius: 8px;
  object-fit: cover;
}

.preview-note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 14px;
  border-radius: 8px;
  padding: 12px;
  background: #f9f1ec;
  font-size: 14px;
}

.preview-note span {
  color: var(--muted);
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0;
}

.section-heading {
  max-width: 720px;
  margin-bottom: 30px;
}

.section h2 {
  margin-bottom: 12px;
  font-size: clamp(30px, 5vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.section p {
  color: #4f5a62;
  font-size: 17px;
}

.intro-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

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

.feature-grid article,
.scenario-list div,
.status-board div,
.info-list div {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
}

.feature-grid article {
  min-height: 220px;
  padding: 22px;
}

.feature-index {
  display: inline-flex;
  margin-bottom: 34px;
  color: var(--pink-dark);
  font-weight: 900;
}

.feature-grid h3 {
  margin-bottom: 8px;
  font-size: 21px;
}

.feature-grid p {
  margin-bottom: 0;
  font-size: 15px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.8fr);
  gap: 48px;
  align-items: start;
}

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

.scenario-list div {
  padding: 20px;
}

.scenario-list strong,
.scenario-list span {
  display: block;
}

.scenario-list span {
  margin-top: 5px;
  color: var(--muted);
}

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

.status-board {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.status-board div {
  min-height: 150px;
  padding: 20px;
}

.status-board span {
  display: block;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 14px;
}

.status-board strong {
  font-size: 19px;
  line-height: 1.35;
}

.business-section {
  padding-bottom: 92px;
}

.info-list {
  display: grid;
  gap: 10px;
  margin: 0;
}

.info-list div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 20px;
  padding: 18px 20px;
}

.info-list dt {
  color: var(--muted);
  font-weight: 800;
}

.info-list dd {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 26px 0 34px;
  color: var(--muted);
  font-size: 14px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 900;
}

@media (max-width: 860px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-links {
    display: none;
  }

  .hero,
  .intro-section,
  .split-section {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding-top: 44px;
  }

  .phone-preview {
    max-width: none;
    margin-left: 0;
  }

  .feature-grid,
  .status-board {
    grid-template-columns: repeat(2, 1fr);
  }

  .info-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 560px) {
  .site-header,
  .hero,
  .section,
  .site-footer {
    width: min(100% - 28px, 1120px);
  }

  h1 {
    font-size: 58px;
  }

  .hero-subtitle {
    font-size: 20px;
  }

  .hero-text {
    font-size: 17px;
  }

  .hero-actions,
  .site-footer {
    flex-direction: column;
  }

  .primary-action,
  .secondary-action {
    width: 100%;
  }

  .phone-preview {
    border-radius: 20px;
    padding: 12px;
  }

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

  .feature-grid article,
  .status-board div {
    min-height: auto;
  }
}