:root {
  color-scheme: light;
  --text: #1f2328;
  --muted: #667085;
  --line: #eadfd8;
  --bg: #fff7ef;
  --card: #ffffff;
  --accent: #ff5a1f;
  --accent-dark: #d94712;
  --shadow: 0 22px 60px rgba(69, 35, 18, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--text);
  background:
    linear-gradient(180deg, #fff1e5 0, #fffaf6 380px),
    var(--bg);
  font-family: Arial, "Microsoft YaHei", "PingFang SC", sans-serif;
}

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

.share-cover {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page {
  width: min(1040px, calc(100% - 32px));
  margin: 0 auto;
  padding: 22px 0 36px;
}

.badge,
.lead,
.qr-card p,
.footer {
  color: var(--muted);
}

.badge {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid rgba(255, 90, 31, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.78);
  font-size: 12px;
}

.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: start;
  padding: 46px 0 34px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
}

h1,
p {
  margin-top: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 12px;
  font-size: 52px;
  line-height: 1.08;
  letter-spacing: 0;
}

.headline-line {
  display: block;
}

.lead {
  max-width: 620px;
  margin-bottom: 0;
  font-size: 17px;
  line-height: 1.8;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 8px;
  font-weight: 800;
  cursor: pointer;
}

.primary {
  color: #fff;
  background: var(--accent);
  box-shadow: 0 14px 30px rgba(255, 90, 31, 0.22);
}

.layout-switch {
  display: inline-flex;
  gap: 4px;
  width: fit-content;
  padding: 4px;
  border: 1px solid rgba(255, 90, 31, 0.2);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.82);
}

.layout-button {
  min-height: 36px;
  padding: 0 14px;
  border: 0;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font: inherit;
  font-size: 14px;
  font-weight: 800;
  cursor: pointer;
}

.layout-button.is-active {
  color: #fff;
  background: var(--accent);
}

.offer-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 360px));
  gap: 22px;
  align-items: start;
  justify-content: center;
}

.offer-grid[data-layout="vertical"] {
  grid-template-columns: minmax(0, 420px);
}

.qr-card {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.8);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  text-align: center;
}

.offer-card h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.25;
  letter-spacing: 0;
}

.offer-note {
  margin: 6px 0 14px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.offer-card .primary {
  width: 100%;
  margin-bottom: 14px;
}

.qr-frame {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-frame img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 4px;
}

.qr-card p {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.6;
}

.footer {
  padding-top: 22px;
  font-size: 13px;
  line-height: 1.6;
}

.footer-icp {
  margin-top: 4px;
}

@media (max-width: 820px) {
  .page {
    width: min(100% - 24px, 1040px);
    padding-top: 14px;
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 32px 0 28px;
  }

  .offer-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
  }

  .layout-switch {
    width: 100%;
  }

  .layout-button {
    flex: 1 1 0;
    padding: 0 8px;
    white-space: nowrap;
  }

  .offer-grid[data-layout="vertical"] {
    grid-template-columns: minmax(0, 1fr);
  }

  h1 {
    font-size: 34px;
  }

  .lead {
    font-size: 16px;
  }

  .actions {
    flex-direction: column;
  }

  .primary {
    width: 100%;
  }

  .qr-card {
    max-width: none;
    margin: 0;
    padding: 12px;
  }

  .offer-card h2 {
    font-size: 16px;
  }

  .offer-note {
    margin: 4px 0 10px;
    font-size: 12px;
  }

  .offer-card .primary {
    min-height: 40px;
    margin-bottom: 10px;
    padding: 0 8px;
    font-size: 14px;
  }

  .qr-frame {
    padding: 7px;
  }

  .qr-card p {
    margin-top: 10px;
    font-size: 12px;
  }

}