/* 메인 컨테이너 */
.recent-article-container {
    background: white;
    border-radius: 24px;
    border: 1px solid #f3f4f6;
    padding: 40px;
    box-shadow: 0px 4px 16px rgba(0, 0, 0, 0.08);
}

/* =============================================================================
   공통 섹션 헤더 베이스 클래스 - Bootstrap 3 최적화
   ============================================================================= */
.section-header {
    margin-bottom: 30px;
}

.section-header .header-content {
    text-align: left;
    /* Bootstrap Container 내부이므로 max-width, margin auto 제거 */
}

.section-header .title-area {
    margin-bottom: 10px;
    /* Bootstrap clearfix 사용을 위한 기본 스타일 */
}

.section-header .title-area:after {
    content: "";
    display: table;
    clear: both;
}

.section-header .section-title {
    margin: 0;
    font-size: 28px;
    font-weight: 700;
    line-height: 1.2;
    color: #333;
}

.section-header .section-description {
    margin: 0;
    font-size: 16px;
    line-height: 1.5;
    color: #666;
    max-width: 600px;
}

.section-header .view-all {
    color: #666;
    text-decoration: none;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.section-header .view-all:hover {
    color: #333;
}

.section-header .highlight {
    color: #ff6b35;
}

/* 구식 more-btn 스타일 유지 (하위 호환성) */
.more-btn {
    background: none;
    border: none;
    color: #007bff;
    font-size: 12px;
    font-weight: 500;
    padding: 6px 10px;
    border-radius: 6px;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
    transition: all 0.3s ease;
}

.more-btn:hover {
    background-color: #f8f9fa;
    color: #0056b3;
    transform: translateX(2px);
}

.recent-article-section .view-all {
    font-size: 14px;
    color: #007bff;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease;
}

.recent-article-section .view-all:hover {
    color: #0056b3;
}

/* 모바일 반응형 */
@media (max-width: 768px) {
    .section-header .title-area {
        /* Bootstrap clearfix 사용으로 flexbox 제거 */
        /* 모바일에서는 자연스럽게 세로 배치됨 */
    }

    .section-header .section-title {
        font-size: 24px;
    }

    .section-header .section-description {
        font-size: 14px;
    }
}

/* PC 레이아웃 */
.pc-layout {
    display: block;
    overflow: hidden;
}

.layout-container {
    max-width: 100%;
    display: flex;
    gap: 32px;
    align-items: flex-start;
    flex-wrap: wrap;
}

@media screen and (min-width: 1200px) {
    .layout-container {
        flex-wrap: nowrap;

    }
}

/* 왼쪽 큰 카드 */
.main-card {
    width: 476px;
    flex-shrink: 0;
    cursor: pointer;
}

.main-card .card-image {
    width: 100%;
    height: 300px;
    margin-bottom: 16px;
    border-radius: 8px;
    overflow: hidden;
}

.main-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: none;
    transition: transform 0.3s ease;
}

.main-card:hover .card-image img {
    transform: scale(1.05);
}

.main-card .card-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.main-card .category-tag {
    color: #fa751e;
    font-size: 16px;
    font-weight: 500;
    background: none;
    border: none;
    padding: 0;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
}

.main-card .title h3 {
    font-size: 24px;
    font-weight: 700;
    color: #1b1c1e;
    margin: 0;
    line-height: 1.3;
}

.main-card .note {
    font-size: 16px;
    color: #58575e;
    line-height: 24px;
    letter-spacing: -0.5px;
    font-style: italic;
}

.main-card .note span > *,
.side-card .note span > * {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.side-card .note span > * {
    max-width: 270px;
}

.main-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.main-card .tag {
    background: #f8f9fa;
    border: none;
    color: #666;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.25;
    font-family: inherit;
    margin: 2px;
}

.main-card .tag:hover {
    background: #007bff;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

.main-card .meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #666;
}

.main-card .divider {
    color: #ddd;
}

/* 오른쪽 작은 카드들 */
.side-cards {
    max-width: 500px;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

@media screen and (max-width: 1200px) {
    .side-cards {
        max-width: 100%;
    }
}

.side-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    cursor: pointer;
}

.side-card .card-image {
    width: 268px;
    height: 150px;
    flex-shrink: 0;
    border-radius: 8px;
    overflow: hidden;
}

.side-card .card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.side-card:hover .card-image img {
    transform: scale(1.05);
}

.side-card .card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.side-card .category-tag {
    color: #fa751e;
    font-size: 12px;
    font-weight: 500;
    background: none;
    border: none;
    padding: 0;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
}

.side-card .title h3 {
    font-size: 16px;
    font-weight: 600;
    color: #1b1c1e;
    margin: 0;
    line-height: 1.3;
}

.side-card .tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.side-card .tag {
    background: #f8f9fa;
    border: none;
    color: #666;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.25;
    font-family: inherit;
    margin: 2px;
}

.side-card .tag:hover {
    background: #007bff;
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(0, 123, 255, 0.3);
}

.side-card .meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: #666;
}

.side-card .divider {
    color: #ddd;
}

/* ===================================
   인기 컨텐츠 섹션 스타일
   =================================== */

/* 인기 컨텐츠 섹션 */
.popular-content-section {
    margin: 56px 0;
    /* Bootstrap Container 사용으로 max-width, margin, padding 제거 */
}

.popular-content-container {
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0;
    box-shadow: none;
}

/* 인기 컨텐츠 섹션만의 특별한 설정 (공통 베이스 클래스 사용) */
.popular-content-section .section-header {
    margin-bottom: 20px;
}

/* 카테고리 탭 */
.popular-content-section .category-tabs {
    background-color: transparent;
    border-bottom: none;
}

.popular-content-section .tabs-container {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.popular-content-section .tabs-container::-webkit-scrollbar {
    display: none;
}

.popular-content-section .tabs-container {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* 탭 버튼 스타일 */
.popular-content-section .tab-button,
.popular-content-section .popular-tab-button {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    background: white;
    border: none;
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-family: inherit;
    margin-bottom: 8px;
}

.popular-content-section .tab-button:hover,
.popular-content-section .popular-tab-button:hover {
    color: #333;
    background-color: #f8f9fa;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.popular-content-section .tab-button.active,
.popular-content-section .popular-tab-button.active {
    background-color: #333;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* 인기 컨텐츠 캐러셀 - 베이스 클래스 확장 */

/* 인기 컨텐츠 캐러셀 아이템 */
.popular-carousel-item {
    flex: 0 0 280px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px;
    min-width: 280px !important;
    overflow: hidden !important;
    cursor: pointer;
}

.popular-item-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.popular-item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.popular-carousel-item:hover .popular-item-image img {
    transform: scale(1.05);
}

.popular-item-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px;
    padding: 0;
}

.popular-item-meta {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    font-size: 12px;
}

.popular-publisher {
    color: #1976d2 !important;
    font-weight: 600;
}

.popular-item-title h5 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    color: #333;
}

.popular-item-title h5 a {
    color: #333;
    text-decoration: none;
}

.popular-item-excerpt {
    font-size: 13px;
    line-height: 1.5;
    color: #666;
    white-space: nowrap;
}

.popular-item-excerpt > * {
    margin: 0;
    width: 280px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.popular-item-tags {
    display: flex !important;
    flex-wrap: wrap;
    gap: 6px;
}

.popular-tag {
    background: #f5f5f5;
    color: #666;
    border: none;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
}

.popular-item-stats {
    display: flex !important;
    align-items: center !important;
    gap: 6px;
    font-size: 11px;
    color: #999;
}

.popular-item-stats i {
    font-size: 12px;
}

/* 캐러셀 네비게이션 버튼 */
.carousel-nav-btn {
    position: absolute;
    top: 80px; /* 썸네일 중앙 높이로 조정 */
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    border: none;
    border-radius: 50%;
    background: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10;
}

.carousel-nav-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.carousel-nav-btn i {
    color: #666;
    font-size: 16px;
}

.carousel-nav-btn:hover i {
    color: #333;
}

.carousel-prev {
    left: -20px; /* 썸네일 왼쪽으로 이동 */
    display: none; /* 첫 화면에서 숨김 */
}

.carousel-next {
    right: -20px; /* 썸네일 오른쪽으로 이동 */
}

/* ===================================
   트렌드 키워드 섹션 스타일
   =================================== */

/* 트렌드 키워드 섹션 */
.trend-keywords-section {
    margin-top: 56px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
}

.trend-keywords-container {
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0;
    box-shadow: none;
}

/* 트렌드 키워드 섹션만의 특별한 설정 (공통 베이스 클래스 사용) */
.trend-keywords-section .section-header {
    margin-bottom: 20px;
}

/* 트렌드 키워드 섹션의 카테고리 탭 */
.trend-keywords-section .category-tabs {
    background-color: transparent;
    border-bottom: none;
}

.trend-keywords-section .tabs-container {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 12px 0;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.trend-keywords-section .tabs-container::-webkit-scrollbar {
    display: none;
}

.trend-keywords-section .tabs-container {
    scrollbar-width: none;
    -ms-overflow-style: none;
}

/* 트렌드 키워드 탭 버튼 스타일 */
.trend-keywords-section .tab-button,
.trend-keywords-section .trend-tab-button {
    padding: 0 20px !important;
    font-size: 14px;
    font-weight: 500;
    color: #666;
    background: white;
    border: none;
    border-radius: 0;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.3s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    font-family: inherit;
    margin-bottom: 8px;
    height: 40px;
    line-height: 40px;
}

.trend-keywords-section .tab-button:hover,
.trend-keywords-section .trend-tab-button:hover {
    color: #333;
    background-color: #f8f9fa;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.trend-keywords-section .tab-button.active,
.trend-keywords-section .trend-tab-button.active {
    background-color: #333;
    color: white;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.2);
}

/* 트렌드 키워드 캐러셀 - 베이스 클래스 확장 */

/* 트렌드 키워드 아이템 - 인기 컨텐츠 카드와 동일한 스타일 */
.trend-keyword-item {
    flex: 0 0 280px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px;
    min-width: 280px !important;
    overflow: hidden !important;
    cursor: pointer;
}

.trend-keyword-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.trend-keyword-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.trend-keyword-item:hover .trend-keyword-image img {
    transform: scale(1.05);
}

.trend-keyword-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px;
    padding: 0;
}

.trend-keyword-meta {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    font-size: 12px;
}

.trend-keyword-publisher {
    color: #1976d2 !important;
    font-weight: 600;
}

.trend-keyword-title h5 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    color: #333;
}

.trend-keyword-title h5 a {
    color: #333;
    text-decoration: none;
}

.trend-keyword-excerpt {
    font-size: 13px;
    line-height: 1.5;
    color: #666;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.trend-keyword-tags {
    display: flex !important;
    flex-wrap: wrap;
    gap: 6px;
}

.trend-keyword-tag {
    background: #f5f5f5;
    color: #666;
    border: none;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    /* cursor: pointer; - Bootstrap .btn 클래스에서 제공 */
}

.trend-keyword-stats {
    display: flex !important;
    align-items: center !important;
    gap: 6px;
    font-size: 11px;
    color: #999;
}

.trend-keyword-stats i {
    font-size: 12px;
    color: #fa751e;
}

/* 트렌드 캐러셀 네비게이션 - 베이스 클래스 확장 */
.trend-carousel-nav-btn {
    top: 80px; /* 썸네일 중앙 높이로 조정 */
}

.trend-carousel-nav-btn i {
    color: #666;
}

.trend-carousel-nav-btn:hover i {
    color: #333;
}

.trend-carousel-prev {
    display: none; /* 첫 화면에서 숨김 */
}

/* ===================================
   밸런스 UP 섹션 스타일
   =================================== */

/* 밸런스 UP 섹션 */
.balance-up-section {
    margin-top: 56px;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
    padding: 0 24px;
}

.balance-up-container {
    background: transparent;
    border-radius: 0;
    border: none;
    padding: 0;
    box-shadow: none;
}

/* 밸런스 UP 섹션만의 특별한 설정 (공통 베이스 클래스 사용) */
.balance-up-section .section-header {
    margin-bottom: 20px;
}

.balance-up-section .view-all {
    font-size: 14px;
    color: #fa751e;
    font-weight: 500;
    cursor: pointer;
    transition: color 0.3s ease;
}

.balance-up-section .view-all:hover {
    color: #e65100;
}

/* 밸런스 UP 섹션의 카테고리 탭 */
.balance-up-section .category-navigation {
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 30px;
    position: relative;
}

.balance-up-section .tablist {
    display: flex;
    flex-wrap: nowrap;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
    overflow-x: auto;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    justify-content: flex-start; /* 좌측 정렬 */
}

.balance-up-section .tablist::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.balance-up-section .tab {
    background: transparent;
    border: none;
    padding: 8px 12px;
    font-size: 15px;
    font-weight: 600;
    color: #888;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    position: relative;
    border-bottom: 3px solid transparent;
    min-width: 90px;
    /* text-align: center; → Bootstrap .text-center 클래스 사용으로 제거 */
    font-family: Pretendard, sans-serif;
    line-height: 1.25;
    flex-shrink: 0;
}

.balance-up-section .tab:hover {
    background: #e9ecef;
    color: #333;
}

.balance-up-section .tab.active,
.balance-up-section .tab[aria-selected="true"] {
    background: transparent;
    color: #333;
    border-bottom-color: #333;
    font-weight: 600;
}

.balance-up-section .tab.active::after,
.balance-up-section .tab[aria-selected="true"]::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: #fff;
    z-index: 1;
}

.balance-up-section .tab:focus {
    outline: none;
}

.balance-up-section .tab:not(.active):not([aria-selected="true"]) {
    background: transparent;
    color: #888;
    border-bottom-color: transparent;
}

.balance-up-section .tab:not(.active):not([aria-selected="true"]):hover {
    background: #f8f9fa;
    color: #333;
}

/* 밸런스 UP 캐러셀 - 베이스 클래스 확장 */

/* 밸런스 UP 콘텐츠 컨테이너 */
.balance-up-content-container {
    width: 100%;
}

/* 밸런스 UP 아이템 - 다른 섹션 카드와 동일한 스타일 */
.balance-up-item {
    flex: 0 0 280px !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 16px;
    min-width: 280px !important;
    overflow: hidden !important;
}

.balance-up-image {
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.balance-up-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.balance-up-content {
    display: flex !important;
    flex-direction: column !important;
    gap: 12px;
    padding: 0;
}

.balance-up-meta {
    display: flex !important;
    justify-content: flex-start !important;
    align-items: center !important;
    font-size: 12px;
}

.balance-up-publisher {
    color: #1976d2 !important;
    font-weight: 600;
}

.balance-up-title h5 {
    margin: 0;
    font-size: 16px;
    font-weight: 700;
    line-height: 1.4;
    color: #333;
}

.balance-up-title h5 a {
    color: #333;
    text-decoration: none;
}

.balance-up-excerpt {
    font-size: 13px;
    line-height: 1.5;
    color: #666;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.balance-up-tags {
    display: flex !important;
    flex-wrap: wrap;
    gap: 6px;
}

.balance-up-tag {
    background: #f5f5f5;
    color: #666;
    border: none;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
    cursor: pointer;
}

.balance-up-stats {
    display: flex !important;
    align-items: center !important;
    gap: 6px;
    font-size: 11px;
    color: #999;
}

.balance-up-stats i {
    font-size: 12px;
    color: #fa751e;
}

/* 밸런스 UP 캐러셀 네비게이션 - 베이스 클래스 확장 */
.balance-carousel-nav-btn {
    top: 80px; /* 썸네일 중앙 높이로 조정 */
}

.balance-carousel-nav-btn i {
    color: #666;
}

.balance-carousel-nav-btn:hover i {
    color: #333;
}

.balance-carousel-prev {
    display: none; /* 첫 화면에서 숨김 */
}