:root {
  --bg: #f6f7f2;
  --ink: #1d1d1b;
  --muted: #5f625c;
  --line: #d8ded2;
  --panel: #ffffff;
  --soft: #eef0eb;
  --teal: #127d72;
  --teal-dark: #0f6b62;
  --gold: #d88c1f;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

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

.site-header,
.section,
.footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.hero-wrap {
  border-bottom: 1px solid var(--line);
  background: var(--soft);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 56px;
  align-items: center;
  padding: 72px 0 64px;
}

.brand-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
  padding: 8px 12px;
  color: var(--teal);
  font-size: 14px;
  font-weight: 800;
  box-shadow: 0 2px 8px rgba(29, 29, 27, 0.06);
}

.brand-pill img {
  width: 24px;
  height: 24px;
}

h1 {
  margin: 28px 0 0;
  max-width: 760px;
  font-size: clamp(42px, 7vw, 68px);
  line-height: 1.05;
  letter-spacing: 0;
}

.lead {
  margin: 24px 0 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 17px;
  line-height: 2;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 8px;
  border: 1px solid var(--line);
  padding: 0 16px;
  font-size: 14px;
  font-weight: 800;
}

.btn-primary {
  border-color: var(--teal);
  background: var(--teal);
  color: white;
}

.btn-primary:hover {
  background: var(--teal-dark);
}

.btn-secondary {
  background: white;
  color: #30302d;
}

.phone-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  padding: 16px;
  box-shadow: 0 3px 12px rgba(29, 29, 27, 0.08);
}

.phone-screen {
  border-radius: 8px;
  background: #1d1d1b;
  padding: 14px;
  color: white;
}

.phone-top {
  display: flex;
  justify-content: space-between;
  color: #d8ded2;
  font-size: 12px;
}

.question-demo {
  margin-top: 16px;
  border-radius: 8px;
  background: var(--bg);
  padding: 16px;
  color: var(--ink);
}

.kicker {
  color: var(--teal);
  font-size: 13px;
  font-weight: 900;
}

.demo-title {
  margin: 12px 0 0;
  font-size: 20px;
  font-weight: 900;
  line-height: 1.45;
}

.option-list {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}

.option {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 14px;
}

.option.active {
  border-color: var(--teal);
  background: #e8f4f1;
  color: var(--teal-dark);
  font-weight: 800;
}

.analysis {
  margin-top: 14px;
  border-radius: 8px;
  background: #fff8e8;
  padding: 12px;
  color: #7a5518;
  font-size: 14px;
  line-height: 1.7;
}

.section {
  padding: 48px 0 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  padding: 20px;
  box-shadow: 0 2px 8px rgba(29, 29, 27, 0.05);
}

.card h2,
.card h3 {
  margin: 0;
}

.card p {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.feature-icon {
  color: var(--teal);
  font-size: 24px;
  font-weight: 900;
}

.wide-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(29, 29, 27, 0.05);
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 24px;
}

.row-head {
  display: flex;
  gap: 24px;
  align-items: end;
  justify-content: space-between;
}

.row-head p {
  max-width: 520px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.store-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 20px;
}

.store-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfbf7;
  padding: 16px;
}

.badge {
  align-self: flex-start;
  border-radius: 6px;
  background: var(--soft);
  padding: 5px 10px;
  color: #51524d;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.support-list {
  display: grid;
  gap: 10px;
  margin-top: 20px;
  color: #51524d;
  font-size: 14px;
}

.support-list span::before {
  content: "✓";
  margin-right: 8px;
  color: var(--teal);
  font-weight: 900;
}

.legal-links {
  display: grid;
  gap: 10px;
  margin-top: 20px;
}

.legal-links a {
  display: flex;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  font-size: 14px;
  font-weight: 800;
}

.legal-page {
  width: min(760px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0;
}

.legal-page article {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: white;
  padding: 28px;
  box-shadow: 0 2px 8px rgba(29, 29, 27, 0.05);
}

.legal-page h1 {
  margin-top: 10px;
  font-size: 36px;
}

.legal-page h2 {
  margin: 28px 0 0;
  font-size: 20px;
}

.legal-page p,
.legal-page li {
  color: #4f514b;
  font-size: 14px;
  line-height: 1.9;
}

.footer {
  padding: 36px 0 48px;
  color: #7c7e77;
  font-size: 13px;
  line-height: 1.8;
}

@media (max-width: 860px) {
  .hero,
  .split {
    grid-template-columns: 1fr;
  }

  .phone-card {
    max-width: 420px;
  }

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

  .row-head {
    align-items: start;
    flex-direction: column;
  }
}