body {
    margin: 0;
    font-family: 'Noto Sans KR', sans-serif;
    background: #F5F7Fa;
    color: #333;
}

/* 네비게이션 */
nav {
    position: fixed;
    width: 100%;
    top: 0;
    background: #1E2A38;
    padding: 15px 30px;
    z-index: 1000;
}

nav a {
    color: white;
    margin-right: 20px;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    color: #00C3FF;
}

/* 전체 레이아웃 */
.container {
    max-width: 1024px;
    margin: 100px auto 30px;
    padding: 20px;
}

/* 섹션 */
.section {
    margin-bottom: 60px;
	scroll-margin-top: 80px; /* 네비게이션 높이보다 약간 크게 */
}

.section h2 {
    border-left: 5px solid #00A672;
    padding-left: 10px;
    margin-bottom: 20px;
}

/* 프로필 */
.profile {
    display: flex;
    gap: 30px;
    align-items: center;
    flex-wrap: wrap;
}

.profile img {
    height: 290px;
    border-radius: 10px;
}

.profile-info h1 {
    margin: 0;
    font-size: 24px;
}

.profile-info {
    margin: 0;
    font-size: 16px;
}

.profile-info p {
    margin: 5px 0;
    color: #555;
}

/* 카드 */
.card {
    background: white;
    padding: 20px;
    margin-bottom: 20px;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
}

.card h2, .card h3 {
    margin-top: 0;
}

.card img {
    width: 100%;   /* 카드 폭에 맞춤 */
    height: auto;  /* 비율 유지 */
    display: block; /* 불필요한 여백 제거 */
}

/* 테이블 */
table {
    width: 100%;
    border-collapse: collapse;
}

th {
    /* background: #004FA1; */
	background: #005BAA;
    color: white;
}

th, td {
    padding: 10px;
    border-bottom: 1px solid #ddd;
	text-align: left;	
}

li {
    margin-bottom: 8px;
}

/* 논문 리스트 */
.paper-sci {
    padding: 15px;
    border-left: 4px solid #F49A39;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.paper-kci {
    padding: 15px;
    border-left: 4px solid #FFD13D;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.paper-int {
    padding: 15px;
    border-left: 4px solid #4B90D3;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.paper-dom {
    padding: 15px;
    border-left: 4px solid #A0D9F6;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.patent {
    padding: 15px;
    border-left: 4px solid #9D9D9D;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.copyright {
    padding: 15px;
    border-left: 4px solid #DBDBDB;
    margin-bottom: 10px;
    background: white;
    border-radius: 5px;
}

.paper-sci span, .paper-kci span, .paper-int span, .paper-dom span, .patent span, .copyright span {
    display: block;
    padding-left: 15px;
}

/* 강의과목 */
.course-curr {
	padding-top: 10px;
	padding-bottom: 0px;
	border-left: 4px solid #BCED67;
	border-radius: 5px;
    display: flex;
	gap: 20px;
}

.course {
	padding-top: 10px;
	padding-bottom: 0px;
	border-left: 4px solid #FFFFFF;
	border-radius: 5px;
    display: flex;
	gap: 20px;
}

/* 프로젝트 카드 */
.project-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* 이미지 영역 */
.project-img img {
    width: 400px;
    height: auto;
    border-radius: 8px;
}

/* 텍스트 영역 */
.project-content {
    flex: 1;
    text-align: left;
}

/* 리스트 간격 정리 */
.project-content ul {
    margin: 5px 0 0 0;
    padding-left: 20px;
}

.project-content li {
    margin: 3px 0;
}

/* 제목 간격 */
.project-content h3 {
    margin-top: 0;
}

/* 반응형 */
@media (max-width: 768px) {
    .profile {
        flex-direction: column;
        align-items: flex-start;
    }

    .system {
        flex-direction: column;
    }

    nav {
        text-align: center;
    }
}

/* 드롭다운 */
.dropdown {
    display: inline-block;
    position: relative;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #1E2A38;
    <!-- min-width: 150px; -->
    top: 100%;
    left: 0;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
	white-space: nowrap;
}

.dropdown-content a {
    display: block;
    padding: 10px;
    color: white;
}

.dropdown-content a:hover {
    background-color: #2F3E50;
}

/* hover 시 표시 */
.dropdown:hover .dropdown-content {
    display: block;
}