* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Noto Sans KR", sans-serif;
  color: #0f172a;
  background:
    radial-gradient(circle at 85% 8%, rgba(56, 189, 248, 0.12), transparent 32%),
    radial-gradient(circle at 12% 18%, rgba(37, 99, 235, 0.12), transparent 30%),
    #f8fbff;
}

.page-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 48px 20px 60px;
}

.page-card {
  background: #fff;
  border: 1px solid #e3eaf7;
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 10px 24px rgba(15, 23, 42, 0.06);
}

.page-tag {
  display: inline-block;
  margin-bottom: 10px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: #1d4ed8;
  background: #e6f0ff;
}

h1 {
  margin: 0 0 12px;
  font-size: 30px;
  line-height: 1.25;
}

h2 {
  margin: 26px 0 8px;
  font-size: 20px;
}

p,
li {
  color: #334155;
  line-height: 1.7;
}

ul {
  margin: 8px 0 0;
  padding-left: 18px;
}

.meta {
  margin-top: 14px;
  font-size: 14px;
  color: #64748b;
}

.contact-box {
  margin-top: 18px;
  padding: 14px 16px;
  border: 1px solid #dbeafe;
  border-radius: 12px;
  background: #f8fbff;
}

.contact-box a {
  color: #1d4ed8;
  text-decoration: none;
  font-weight: 700;
}

.bottom-link {
  margin-top: 24px;
}

.bottom-link a {
  color: #1e40af;
  text-decoration: none;
  font-weight: 700;
}

@media (max-width: 640px) {
  .page-shell {
    padding: 28px 14px 40px;
  }

  .page-card {
    padding: 20px 16px;
  }

  h1 {
    font-size: 24px;
  }
}