/* 전체 배경 및 폰트 설정 */
body {
  margin: 0;
  font-family: '맑은 고딕', sans-serif;
  background-color: #f0f4f8;
  color: #333;
}

/* 헤더 영역 */
header {
  background-color: #ffffff;
  padding: 30px 0;
  text-align: center;
  border-bottom: 1px solid #ddd;
}

/* 내비게이션 */
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  gap: 40px;
}

nav ul li {
  display: inline;
  font-weight: bold;
}

nav ul li a {
  text-decoration: none;
  color: #333;
  font-size: 16px;
}

/* 카드 레이아웃 */
.container {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin: 40px auto;
  max-width: 1200px;
}

.card {
  background-color: #fff;
  border-radius: 16px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.07);
  padding: 24px;
  flex: 1;
}

/* 카드 내부 제목 */
.card h3 {
  border-bottom: 2px solid #2471A3;
  padding-bottom: 8px;
  margin-bottom: 16px;
}

/* 리스트 */
.card ul {
  list-style-type: disc;
  padding-left: 20px;
}

.card img {
  width: 100%;
  border-radius: 8px;
  margin-bottom: 12px;
}

/* 지표 원형 */
.highlight {
  background-color: #e8f5e9;
  text-align: center;
  font-size: 24px;
  color: #388e3c;
  font-weight: bold;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  line-height: 60px;
  margin: 0 auto 16px auto;
}

/* 버튼 */
.button {
  background-color: #0d47a1;
  color: white;
  padding: 14px;
  text-align: center;
  font-weight: bold;
  border-radius: 8px;
  margin-top: 16px;
  cursor: pointer;
}

/* 푸터 */
footer {
  background-color: #f4f4f4;
  padding: 30px 0;
  margin-top: 60px;
  text-align: center;
  font-size: 14px;
  color: #666;
}

/* 하단 배너 */
.footer-banner {
  width: 90%;
  max-width: 1000px;
  margin: 20px auto;
  display: block;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
/* style.css 맨 아래에 추가 */
.ad-banner {
  max-width: 1200px;
  margin: 40px auto 20px;
  padding: 10px 0;
  text-align: center;
}
.ad-banner img {
  width: 100%;
  max-height: 160px;
  object-fit: cover;
  border-radius: 10px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.08);
}
.page-title {
  margin: 40px 0 30px 0;
  padding-top: 20px;
  font-size: 2rem;
  text-align: center;
  font-weight: bold;
}