* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Pretendard', Arial, 'Malgun Gothic', sans-serif;
  background: #0f172a;
  color: #e5e7eb;
  line-height: 1.8;
}

a {
  color: inherit;
}

.blog-hero {
  padding: 64px 20px 34px;
  background: radial-gradient(circle at top, #2563eb 0, #111827 40%, #0f172a 100%);
}

.blog-hero-inner,
.blog-body,
.blog-footer-inner {
  max-width: 920px;
  margin: 0 auto;
}

.blog-eyebrow {
  margin: 0 0 10px;
  color: #93c5fd;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-hero h1 {
  margin: 0 0 16px;
  color: #fff;
  font-size: 42px;
  line-height: 1.25;
  letter-spacing: -0.03em;
}

.blog-lead {
  margin: 0;
  max-width: 820px;
  color: #cbd5e1;
  font-size: 18px;
}

.blog-body {
  padding: 36px 20px 56px;
}

.blog-card {
  margin-bottom: 18px;
  padding: 28px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
}

.blog-card h2 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 25px;
  line-height: 1.35;
}

.blog-card h3 {
  margin: 22px 0 8px;
  color: #fff;
  font-size: 20px;
}

.blog-card p {
  margin: 0 0 14px;
  color: #cbd5e1;
  word-break: keep-all;
}

.blog-card ul,
.blog-card ol {
  margin: 10px 0 18px;
  padding-left: 22px;
  color: #cbd5e1;
}

.blog-card li {
  margin: 6px 0;
}

.point-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0;
}

.point-box {
  padding: 18px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.10);
}

.point-box strong {
  display: block;
  margin-bottom: 8px;
  color: #fff;
  font-size: 16px;
}

.point-box span {
  color: #cbd5e1;
  font-size: 14px;
  line-height: 1.7;
}

.notice-box {
  padding: 20px;
  border-radius: 18px;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: #fde68a;
}

.cta-box {
  margin-top: 22px;
  padding: 24px;
  border-radius: 22px;
  background: linear-gradient(135deg, #2563eb, #0f766e);
  color: #fff;
}

.cta-box h2 {
  margin: 0 0 8px;
}

.cta-box p {
  margin: 0 0 16px;
  color: rgba(255, 255, 255, 0.88);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  text-decoration: none;
  font-weight: 800;
}

.blog-footer {
  padding: 28px 20px 46px;
  color: #94a3b8;
  text-align: center;
}

.blog-footer nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.blog-footer a {
  color: #cbd5e1;
  text-decoration: none;
}

@media (max-width: 900px) {
  .blog-hero {
    padding: 48px 16px 28px;
  }

  .blog-hero h1 {
    font-size: 32px;
  }

  .blog-lead {
    font-size: 16px;
  }

  .blog-body {
    padding: 28px 16px 44px;
  }

  .blog-card {
    padding: 22px;
  }

  .point-grid {
    grid-template-columns: 1fr;
  }
}