* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    "Inter", "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial,
    sans-serif;
  line-height: 1.75;
  color: #1f1b16;
  background: #fbfaf7;
}

a {
  color: #1463e8;
  font-weight: 700;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 56px;
}

.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0 24px;
}

.brand {
  color: #1f1b16;
  font-size: 18px;
  font-weight: 900;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  color: #6d665d;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
  gap: 24px;
  align-items: stretch;
  padding: clamp(24px, 5vw, 54px);
  border: 1px solid #e7ded2;
  border-radius: 30px;
  background:
    radial-gradient(circle at 0 0, rgba(20, 99, 232, 0.12), transparent 34%),
    #fff;
}

.eyebrow {
  margin: 0 0 10px;
  color: #1463e8;
  font-size: 14px;
  font-weight: 900;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 6vw, 58px);
  line-height: 1.05;
  letter-spacing: -0.05em;
}

.lead {
  max-width: 720px;
  margin: 18px 0 0;
  color: #6d665d;
  font-size: 18px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.button,
.button-secondary {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border-radius: 14px;
  padding: 12px 18px;
}

.button {
  color: #fff;
  background: #1463e8;
}

.button-secondary {
  border: 1px solid #e7ded2;
  color: #1f1b16;
  background: #f7f3ed;
}

.preview-box {
  display: grid;
  gap: 12px;
  align-content: start;
  min-height: 100%;
  border: 1px solid #e7ded2;
  border-radius: 24px;
  padding: 18px;
  background: #f7f3ed;
}

.paper {
  aspect-ratio: 210 / 297;
  width: min(220px, 100%);
  margin: 0 auto;
  border-radius: 8px;
  background:
    repeating-linear-gradient(90deg, transparent 0 30px, rgba(20, 99, 232, 0.16) 30px 32px),
    repeating-linear-gradient(0deg, transparent 0 38px, rgba(20, 99, 232, 0.16) 38px 40px),
    #fff;
  box-shadow: 0 18px 40px rgba(31, 27, 22, 0.14);
}

.preview-image {
  display: block;
  width: 100%;
  aspect-ratio: 1;
  border-radius: 18px;
  object-fit: cover;
  background: #fff;
  box-shadow: 0 18px 40px rgba(31, 27, 22, 0.14);
}

.metric-grid,
.card-grid,
.asset-gallery,
.steps,
.faq {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.metric-grid {
  grid-template-columns: repeat(3, 1fr);
}

.card-grid,
.asset-gallery,
.steps,
.faq {
  grid-template-columns: repeat(2, 1fr);
}

.card,
.asset-card,
.step,
.faq-item,
.metric {
  border: 1px solid #e7ded2;
  border-radius: 22px;
  padding: 18px;
  background: #fff;
}

.metric strong,
.card strong,
.asset-card strong,
.step strong,
.faq-item strong {
  display: block;
  margin-bottom: 6px;
  color: #1f1b16;
}

.metric span,
.card p,
.asset-card p,
.step p,
.faq-item p {
  margin: 0;
  color: #6d665d;
}

.asset-card {
  overflow: hidden;
}

.asset-card img {
  display: block;
  aspect-ratio: 1;
  margin: -18px -18px 16px;
  width: calc(100% + 36px);
  max-width: none;
  object-fit: cover;
  background: #f7f3ed;
}

section {
  margin-top: 34px;
}

h2 {
  margin: 0 0 10px;
  font-size: clamp(24px, 3vw, 34px);
  letter-spacing: -0.03em;
}

.footer {
  margin-top: 38px;
  color: #6d665d;
  font-size: 14px;
}

@media (max-width: 760px) {
  .top,
  .hero {
    grid-template-columns: 1fr;
  }

  .top {
    align-items: flex-start;
  }

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

  .hero {
    padding: 22px;
    border-radius: 24px;
  }

  .metric-grid,
  .card-grid,
  .asset-gallery,
  .steps,
  .faq {
    grid-template-columns: 1fr;
  }
}