* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft Yahei", "Helvetica Neue", Arial, sans-serif;
  color: #111111;
  background: #f6f5f2;
}

.hero {
  padding: 64px 16px 48px;
  background: radial-gradient(circle at top, #ffffff 0%, #f6f5f2 60%, #efece6 100%);
}

.hero-inner {
  max-width: 980px;
  margin: 0 auto;
}

.hero-tag {
  font-size: 12px;
  letter-spacing: 3px;
  color: #8b8b8b;
  margin: 0 0 12px;
  font-weight: 700;
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 42px;
  letter-spacing: 2px;
}

.hero-sub {
  margin: 0 0 24px;
  max-width: 560px;
  color: #555555;
  line-height: 1.7;
  font-size: 16px;
}

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

.primary-btn,
.ghost-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
}

.primary-btn {
  background: #111111;
  color: #ffffff;
}

.ghost-btn {
  border: 1px solid #111111;
  color: #111111;
  background: transparent;
}

.main {
  max-width: 980px;
  margin: 0 auto;
  padding: 32px 16px 40px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-bottom: 28px;
}

.card {
  background: #ffffff;
  padding: 20px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 20px;
  box-shadow: 0 18px 50px rgba(17, 17, 17, 0.04);
}

.card h2 {
  margin: 0 0 8px;
  font-size: 18px;
}

.card p {
  margin: 0;
  color: #666666;
  line-height: 1.7;
}

.info-block {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 16px;
  background: #ffffff;
  padding: 20px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(17, 17, 17, 0.04);
  margin-bottom: 20px;
}

.info-block h3 {
  margin: 0 0 8px;
  font-size: 18px;
}

.info-panel p:last-child,
.public-card p:last-child {
  margin-bottom: 0;
}

.info-block p {
  margin: 0 0 8px;
  color: #666666;
  line-height: 1.7;
}

.info-note {
  background: #f7f4ec;
  padding: 16px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 18px;
}

.info-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.public-section {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.public-card {
  background: #ffffff;
  padding: 20px;
  border: 1px solid rgba(17, 17, 17, 0.08);
  border-radius: 24px;
  box-shadow: 0 18px 50px rgba(17, 17, 17, 0.04);
}

.public-card h3 {
  margin: 0 0 10px;
  font-size: 18px;
}

.public-card p {
  margin: 0 0 8px;
  color: #666666;
  line-height: 1.7;
}

.site-footer {
  padding: 12px 16px 30px;
  text-align: center;
  color: #9a9a9a;
  font-size: 12px;
}

.site-footer-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 18px 20px;
  border-top: 1px solid rgba(17, 17, 17, 0.08);
}

.site-footer-inner p {
  margin: 0 0 8px;
}

.site-footer-link {
  color: inherit;
  text-decoration: none;
}

.site-footer-link:hover {
  color: #111111;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 32px;
  }

  .info-block {
    grid-template-columns: 1fr;
  }

  .public-section {
    grid-template-columns: 1fr;
  }
}