/* Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
    margin: 0 auto;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Image hover effects */
.featured-article,
.small-article,
.sidebar-main-article,
.news-item,
.activity-main,
.activity-item,
.industry-main,
.training-main,
.international-main,
.research-main,
.dual-main,
.digital-main,
.legal-main,
.youth-main,
.media-item,
.gallery-item {
    overflow: hidden;
}

.featured-article img,
.small-article img,
.sidebar-main-article img,
.news-item img,
.activity-main img,
.activity-item img,
.industry-main img,
.training-main img,
.international-main img,
.research-main img,
.dual-main img,
.digital-main img,
.legal-main img,
.youth-main img,
.media-item img,
.gallery-item img {
    transition: transform 0.3s ease;
}

.featured-article:hover img,
.small-article:hover img,
.sidebar-main-article:hover img,
.news-item:hover img,
.activity-main:hover img,
.activity-item:hover img,
.industry-main:hover img,
.training-main:hover img,
.international-main:hover img,
.research-main:hover img,
.dual-main:hover img,
.digital-main:hover img,
.legal-main:hover img,
.youth-main:hover img,
.media-item:hover img,
.gallery-item:hover img {
    transform: scale(1.05);
}

.container {
    margin: 0 auto;
}

/* Header Styles */
.header {
    background: #fff;
}

.header .container {
    max-width: 1280px;
    margin: 0 auto;
}

/* Logo Section - Centered */
.header-logo-section {
    padding: 15px 0;
    position: relative;
}

.header-logo-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('assets/background.png') center center no-repeat;
    opacity: 0.2;
    z-index: 0;
}

.header-logo-section .container {
    position: relative;
    z-index: 1;
}

.logo-center {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.logo {
    width: 140px;
    height: 140px;
}

.logo-text {
    text-align: center;
    display: flex;
    flex-direction: column;
}

.logo-text h1 {
    font-size: 36px;
    color: #B10E2A;
    font-weight: bold;
    letter-spacing: 0;
}

.logo-text p {
    font-size: 24px;
    color: #00852F;
    letter-spacing: 1px;
    font-weight: 500;
}

/* Info Bar */
.header-info-bar {
    padding: 8px 40px;
    border-top: 1px solid #fff;
    border-bottom: 1px solid #fff;
    background: #fff;
    width: 100%;
}

.header-info-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
}

.info-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.date-time {
    font-size: 12px;
    color: #141414;
}

.social-links {
    display: flex;
    gap: 8px;
}

.social-links .fb-btn {
    width: 24px;
    height: 24px;
    background: #3b5998;
    color: #fff;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.social-links .zalo-btn {
    width: 24px;
    height: 24px;
    background: #ebebebe7;
    color: #0068ff;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: bold;
}

.social-links .yt-btn {
    width: 24px;
    height: 24px;
    background: #ff0000;
    color: #fff;
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

.info-banner {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 0 20px;
}

.info-banner img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
    border-radius: 8px;
}

.info-right {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
}

.info-right a {
    color: #141414;
    transition: color 0.3s;
}

.info-right a:hover {
    color: #1a5c2e;
}

.info-right .divider {
    color: #ccc;
}

.info-right .search-icon {
    width: 28px;
    height: 28px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 14px;
    margin-left: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.info-right .search-icon:hover {
    color: #1a5c2e;
}

/* Navigation */
.main-nav {
    background: linear-gradient(to bottom, #4a7c59, #3d6b4a);
    width: 100%;
}

.main-nav .container {
    display: flex;
    justify-content: center;
    align-items: center;
    max-width: 1280px;
    margin: 0 auto;
}

.nav-menu {
    display: flex;
    width: 100%;
    align-items: center;
    padding: 0 40px;
}

.nav-menu li {
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.nav-menu li:not(:first-child):not(:nth-child(2))::before {
    content: '';
    width: 1px;
    height: 14px;
    background: rgba(255,255,255,0.4);
}

.nav-menu li a {
    display: block;
    padding: 12px 23px;
    color: #fff;
    font-size: 13px;
    font-weight: 500;
    transition: background 0.3s;
    flex: 1;
    white-space: nowrap;
}

.nav-menu li:not(:first-child) a {
    padding: 12px 40px;
}

.nav-menu li a.nav-home {
    background: rgba(0,0,0,0.2);
}

.nav-menu li a:hover {
    background: rgba(0,0,0,0.15);
}

.nav-menu li a.menu-toggle {
    background: none;
    padding-top: 12px;
}

.nav-menu li:last-child {
    text-align: end;
}

/* News Ticker */
.news-ticker {
    background: #fff;
    padding: 10px 0;
    border-bottom: 1px solid #eee;
    width: 1280px;
    margin: 0 auto;
}

.news-ticker .container {
    display: flex;
    align-items: center;
    gap: 15px;
    max-width: 1280px;
    margin: 0 auto;
}

.ticker-label {
    color: #B10E2A;
    padding: 5px 40px;
    font-size: 14px;
    font-weight: bold;
    text-transform: uppercase;
}

.ticker-content {
    flex: 1;
    overflow: hidden;
    font-size: 13px;
    color: #333;
    padding-right: 40px;
    padding-top: 5px;
}

.ticker-content marquee {
    font-size: 13px;
    font-weight: 500;
    color: #1a5c2e;
}

.ticker-star-yellow {
    color: #ffc107;
    font-size: 10px;
    margin: 0 8px;
}

/* Main Content */
.main-content {
    padding-top: 20px;
    max-width: 1280px;
    margin: 0 auto;
}

/* Section Styles */
.section {
    padding: 0 60px 60px 60px;
}

.section:last-child {
    padding: 60px 60px 60px 60px;
}

.section-title {
    font-size: 18px;
    color: #B10E2A;
    font-weight: bold;
    margin-bottom: 20px;
    border-bottom: none;
    text-transform: uppercase;
    padding-bottom: 10px;
    position: relative;
    font-style: normal;
}

.section-title::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 5px;
    background-color: #B10E2A;
    z-index: 2;
    transform: skewX(-15deg);
    transform-origin: bottom left;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(to bottom, #ccc 0px, #ccc 1px, transparent 1px, transparent 4px, #ccc 4px, #ccc 5px);
}

.featured .section-title {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 15px;
    color: #B10E2A;
}

.featured .section-title::before,
.featured .section-title::after {
    display: none;
}

.section-title i {
    color: #ffc107;
    margin-right: 8px;
}

/* Banner Slogan */
.banner-slogan {
    background: linear-gradient(to right, #cc0000, #ff6600);
    color: #fff;
    text-align: center;
    padding: 8px;
    font-weight: bold;
    margin-bottom: 15px;
}

/* Featured Section */
.featured-grid {
    display: grid;
    grid-template-columns: 3.5fr 1.25fr;
    gap: 20px;
    grid-template-rows: 1fr;
}

.featured-main-wrapper {
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.featured-main {
    
}

.featured-sidebar {
    
}

.featured-banners {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    overflow: hidden;
}

.featured-main .featured-article {
    margin-bottom: 15px;
}

.featured-main .featured-article img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.featured-main .featured-article h3 {
    font-size: 22px;
    margin-top: 10px;
    color: #333;
    font-weight: 700;
    line-height: 1.3;
}

.featured-main .featured-article h3:hover {
    color: #1a5c2e;
}

.featured-small-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
}

.small-article img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: 8px;
}

.small-article p {
    font-size: 16px;
    margin-top: 8px;
    color: #141414;
    line-height: 1.2;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* News List */
.sidebar-main-article {
    margin-bottom: 15px;
}

.sidebar-main-article img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
}

.sidebar-main-article h3 {
    font-size: 18px;
    margin-top: 10px;
    color: #333;
    font-weight: 700;
    line-height: 1.3;
}

.news-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.news-item {
    display: flex;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #fff;
}

.news-item:last-child {
    border-bottom: none;
}

.news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.2;
    font-weight: 500;
}

/* Featured Banners */
.featured-banners {
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
    height: 0;
    min-height: 100%;
}

.banner-slider-box {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banner-slider-box:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.banner-slider-box img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 15px;
    transition: transform 0.3s ease;
    display: block;
}

.banner-slider-box:first-child img {
    width: 100%;
    height: auto;
    object-fit: contain;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

.banner-slider-box:hover img {
    transform: scale(1.05);
}

.banner-slides {
    display: block;
}

.banner-item {
    border-radius: 15px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banner-item:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.banner-item img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
    display: block;
}

.banner-item:hover img {
    transform: scale(1.05);
}

/* Banner Thi Đua */
.banner-thidua {
    background: linear-gradient(135deg, #f5e6b3, #f0dca0);
    border-radius: 15px;
    height: 120px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banner-thidua:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.banner-thidua-text {
    text-align: center;
    padding: 10px 15px 10px 15px;
}

.banner-thidua-text p {
    color: #8B0000;
    font-size: 12px;
    font-weight: 700;
    font-style: italic;
    line-height: 1.2;
    margin: 0;
    text-transform: uppercase;
}

.banner-text-red {
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #c41e3a, #8b0000);
    border-radius: 15px;
    padding: 20px 15px;
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banner-text-red:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.slider-dots-banner {
    position: absolute;
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 6px;
}

.slider-dots-banner .dot {
    width: 8px;
    height: 8px;
    background: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
}

.slider-dots-banner .dot.active {
    background: #fff;
}

.banner-text-red p {
    color: #ffd700;
    font-size: 14px;
    font-weight: 700;
    line-height: 1.6;
    text-transform: uppercase;
}

/* Activities Section */
.activities-header {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.25fr;
    gap: 20px;
    margin-bottom: 20px;
}

.activities-header .header-left {
    grid-column: 1 / 3;
}

.activities-header .header-right {
    grid-column: 3;
}

.activities-header .header-left .section-title {
    display: inline-block;
}

.activities-header .header-right .section-title {
    display: inline-block;
}

.activities-header .section-title {
    margin-bottom: 0;
}

.activities-grid {
    display: grid;
    grid-template-columns: 3.5fr 1.25fr;
    gap: 20px;
}

.activity-main-wrapper {
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar-links {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    height: 100%;
    gap: 10px;
    justify-content: space-between;
}

.sidebar-links .link-box {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border-radius: 10px;
}

.sidebar-links .link-box:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.sidebar-links .link-box img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.sidebar-links .link-box:hover img {
    transform: scale(1.05);
}

.activity-main img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    border-radius: 8px;
}

.activity-main h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #333;
    font-weight: 600;
    line-height: 1.3;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.activity-item {
    display: flex;
    gap: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #fff;
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.activity-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.3;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Sidebar Links */
.sidebar-links h3 {
    font-size: 16px;
    color: #B10E2A;
    margin-bottom: 15px;
    padding-bottom: 0;
    border-bottom: none;
    font-weight: 700;
}

.link-box {
    margin-bottom: 0;
}

.link-box img {
    width: 100%;
    border-radius: 10px;
}

.banner-khoa-hoc {
    margin-top: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.banner-khoa-hoc img {
    width: 100%;
    border-radius: 10px;
}

/* Banner Khoa Học Chính Trị Custom */
.banner-khoahoc-custom {
    background: linear-gradient(to bottom, #f8f4f0 0%, #f5f0ea 40%, #e8f5e9 60%, #c8e6c9 100%);
    background-image: 
        linear-gradient(to bottom, rgba(248,244,240,0.9) 0%, rgba(245,240,234,0.7) 40%, rgba(232,245,233,0.8) 60%, rgba(200,230,201,0.9) 100%);
    border-radius: 10px;
    padding: 15px 10px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.banner-khoahoc-custom::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(139,195,74,0.3), transparent);
    pointer-events: none;
}

.khoahoc-header {
    margin-bottom: 8px;
}

.khoahoc-logo {
    width: 40px !important;
    height: 40px;
    border-radius: 0 !important;
}

.khoahoc-title {
    color: #8B0000;
    font-size: 16px;
    font-weight: 700;
    font-style: italic;
    margin: 10px 0;
    position: relative;
    z-index: 1;
}

.khoahoc-footer {
    margin-top: 10px;
    position: relative;
    z-index: 1;
}

.khoahoc-btn {
    display: inline-block;
    background: #6d4c41;
    color: #fff;
    padding: 5px 20px;
    border-radius: 15px;
    font-size: 11px;
    cursor: pointer;
}

.khoahoc-btn:hover {
    background: #5d4037;
}

.industry-title-wrapper .section-title {
    display: inline-block;
}

.industry-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}

.industry-main-wrapper {
    display: grid;
    grid-template-columns: 2fr 1.5fr 1.5fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.industry-main img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.industry-main h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #333;
    line-height: 1.3;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.industry-news,
.industry-sidebar {
    display: grid;
    grid-template-rows: repeat(4, 1fr);
    gap: 12px;
}

.industry-news .news-item,
.industry-sidebar .news-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-bottom: 1px solid #fff;
    padding-bottom: 10px;
}

.industry-news .news-item:last-child,
.industry-sidebar .news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.industry-news .news-item img,
.industry-sidebar .news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.industry-news .news-item p,
.industry-sidebar .news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Training Section */
.training-header {
    display: flex;
    gap: 20px;
    align-items: baseline;
    margin-bottom: 20px;
}

.training-header-left {
    display: flex;
    align-items: baseline;
    min-width: 0;
    flex: 3;
}

.training-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
    white-space: nowrap;
    margin-right: 20px;
    flex-shrink: 0;
}

.training-tabs {
    display: flex;
    gap: 0;
    align-items: baseline;
    overflow: hidden;
    min-width: 0;
    flex: 1;
    white-space: nowrap;
}

.training-tabs.expanded {
    flex-wrap: wrap;
    overflow: visible;
    white-space: normal;
}

.training-tabs a {
    padding: 7px;
    background: transparent;
    color: #141414;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
    white-space: nowrap;
}

.training-tabs a.truncated {
    overflow: hidden;
    text-overflow: ellipsis;
}

.training-header-left .toggle-tabs {
    margin-left: auto;
    padding: 7px;
    color: #B10E2A;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    flex-shrink: 0;
}

.training-tabs.expanded + .toggle-tabs {
    margin-left: 0;
}

.training-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.training-tabs a:last-child::after {
    display: none;
}

.training-tabs a:hover,
.training-tabs a.active {
    color: #1a5c2e;
    background: transparent;
}

.thongbao-title {
    display: flex;
    align-items: baseline;
    justify-content: flex-start;
    padding-left: 5px;
    flex: 1;
}

.thongbao-title h3 {
    font-size: 14px;
    color: #B10E2A;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
}

.international-tabs {
    display: flex;
    gap: 5px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.training-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
}

.training-main-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.announcements {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.training-main img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 8px;
}

.training-main h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #333;
    font-weight: 600;
    line-height: 1.3;
}

.training-news {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.training-news .news-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-bottom: 1px solid #fff;
    padding-bottom: 12px;
}

.training-news .news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.training-news .news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.training-news .news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Announcements */
.announcements ul {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.announcements li {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    font-size: 13px;
    line-height: 1.3;
    padding-left: 0;
}

.announcements li::before {
    display: none;
}

.announcements li i {
    color: #5a6a7a;
    font-size: 16px;
    margin-top: 3px;
    flex-shrink: 0;
}

.announcements li a {
    color: #333;
}

.announcements li a:hover {
    color: #1a5c2e;
}

/* International Section */
.international-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.international-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.international-tabs {
    display: flex;
    gap: 0;
    align-items: center;
}

.international-tabs a {
    padding: 5px 12px;
    background: transparent;
    color: #141414;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
}

.international-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.international-tabs a:last-child::after {
    display: none;
}

.international-tabs a:hover,
.international-tabs a.active {
    color: #1a5c2e;
    background: transparent;
}

.international-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;

    .international-main-wrapper {
        display: grid;
        grid-template-columns: 2fr 1.5fr 1.5fr;
        gap: 20px;
        background-color: #f5f5f5;
        padding: 15px;
        border-radius: 10px;
    }

    .international-main img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        border-radius: 8px;
    }

    .international-main h3 {
        font-size: 20px;
        margin-top: 10px;
        color: #333;
        line-height: 1.3;
        font-weight: 600;
    }

    .international-news,
    .international-sidebar {
        display: grid;
        grid-template-rows: repeat(4, 1fr);
        gap: 12px;
    }

    .international-news .news-item,
    .international-sidebar .news-item {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        border-bottom: 1px solid #fff;
        padding-bottom: 10px;
    }

    .international-news .news-item:last-child,
    .international-sidebar .news-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .international-news .news-item img,
    .international-sidebar .news-item img {
        width: 90px;
        height: 65px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }

    .international-news .news-item p,
    .international-sidebar .news-item p {
        font-size: 16px;
        color: #333;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
}

/* Research Section */
.research-header {
    display: grid;
    grid-template-columns: 3.5fr 1.25fr;
    gap: 20px;
    margin-bottom: 20px;
}

.research-title-wrapper {
    grid-column: 1;
}

.research-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.anpham-title .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.research-grid {
    display: grid;
    grid-template-columns: 3.5fr 1.25fr;
    gap: 20px;
}

.research-main-wrapper {
    display: grid;
    grid-template-columns: 2fr 1.5fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.research-main,
.research-news,
.publications {
    border-radius: 10px;
}

.research-main img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
}

.research-main h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #333;
    line-height: 1.3;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.research-news {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.research-news .news-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-bottom: 1px solid #fff;
    padding-bottom: 12px;
}

.research-news .news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.research-news .news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 8px;
    flex-shrink: 0;
}

.research-news .news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Publications */
.publication-items {
    margin-bottom: 15px;
}

.publication-items img {
    width: 100%;
    border-radius: 8px;
}

.publication-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    justify-items: center;
    align-items: center;
}

.publication-grid img {
    width: 90px;
    height: 115px;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 2px 2px 8px rgba(0,0,0,0.15);
}

.btn-library {
    display: block;
}

.btn-library img {
    width: 100%;
    border-radius: 8px;
}

/* New Publications Design */
.publications-new {
    display: flex;
    flex-direction: column;
    gap: 10px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.pub-card {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.pub-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.pub-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

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

.dual-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.dual-title-wrapper .section-title {
    display: inline-block;
    font-size: 20px;
}

.dual-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
}

.dual-main img {
    width: 100%;
    height: 120px;
    object-fit: cover;
    border-radius: 6px;
}

.dual-main h3 {
    font-size: 18px;
    margin-top: 8px;
    color: #333;
    line-height: 1.3;
    font-weight: 600;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.dual-news {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.dual-news .news-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-bottom: 1px solid #fff;
    padding-bottom: 10px;
}

.dual-news .news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.dual-news .news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.dual-news .news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.35;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Digital Section */
.digital-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.digital-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.digital-tabs {
    display: flex;
    gap: 0;
    align-items: center;
}

.digital-tabs a {
    padding: 5px 12px;
    background: transparent;
    color: #141414;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
    border-radius: 0;
}

.digital-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.digital-tabs a:last-child::after {
    display: none;
}

.digital-tabs a:hover,
.digital-tabs a.active {
    color: #1a5c2e;
    background: transparent;
}

.digital-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;

    .digital-main-wrapper {
        display: grid;
        grid-template-columns: 2fr 1.5fr 1.5fr;
        gap: 20px;
        background-color: #f5f5f5;
        padding: 15px;
        border-radius: 10px;
    }

    .digital-main img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        border-radius: 8px;
    }

    .digital-main h3 {
        font-size: 20px;
        margin-top: 10px;
        color: #333;
        font-weight: 600;
        line-height: 1.3;
    }

    .digital-news,
    .digital-sidebar {
        display: grid;
        grid-template-rows: repeat(4, 1fr);
        gap: 12px;
    }

    .digital-news .news-item,
    .digital-sidebar .news-item {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        border-bottom: 1px solid #fff;
        padding-bottom: 10px;
    }

    .digital-news .news-item:last-child,
    .digital-sidebar .news-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .digital-news .news-item img,
    .digital-sidebar .news-item img {
        width: 90px;
        height: 65px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }

    .digital-news .news-item p,
    .digital-sidebar .news-item p {
        font-size: 16px;
        color: #333;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
}

/* Legal Section */
.legal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.legal-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.legal-tabs {
    display: flex;
    gap: 0;
    align-items: center;
}

.legal-tabs a {
    padding: 5px 12px;
    background: transparent;
    color: #141414;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
    border-radius: 0;
}

.legal-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.legal-tabs a:last-child::after {
    display: none;
}

.legal-tabs a:hover,
.legal-tabs a.active {
    color: #1a5c2e;
    background: transparent;
}

.legal-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;

    .legal-main-wrapper {
        display: grid;
        grid-template-columns: 2fr 1.5fr 1.5fr;
        gap: 20px;
        background-color: #f5f5f5;
        padding: 15px;
        border-radius: 10px;
    }

    .legal-main img {
        width: 100%;
        height: 250px;
        object-fit: cover;
        border-radius: 8px;
    }

    .legal-main h3 {
        font-size: 20px;
        margin-top: 10px;
        color: #333;
        font-weight: 600;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .legal-news,
    .legal-sidebar {
        display: grid;
        grid-template-rows: repeat(4, 1fr);
        gap: 12px;
    }

    .legal-news .news-item,
    .legal-sidebar .news-item {
        display: flex;
        gap: 10px;
        align-items: flex-start;
        border-bottom: 1px solid #fff;
        padding-bottom: 10px;
    }

    .legal-news .news-item:last-child,
    .legal-sidebar .news-item:last-child {
        border-bottom: none;
        padding-bottom: 0;
    }

    .legal-news .news-item img,
    .legal-sidebar .news-item img {
        width: 90px;
        height: 65px;
        object-fit: cover;
        border-radius: 8px;
        flex-shrink: 0;
    }

    .legal-news .news-item p,
    .legal-sidebar .news-item p {
        font-size: 16px;
        color: #333;
        line-height: 1.4;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
}

/* Youth Section */
.section.youth {
    position: relative;
}

.youth-header {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    align-items: baseline;
    margin-bottom: 20px;
}

.youth-header .youth-title-wrapper {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.youth-header .youth-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
    white-space: nowrap;
}

.youth-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 20px;
    grid-template-rows: auto;
    max-height: 370px;
}

.youth-main-wrapper {
    display: grid;
    grid-template-columns: 1.75fr 1.25fr;
    gap: 20px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    align-self: start;
}

.youth-sidebar {
    max-height: 370px;
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 10px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.youth-tabs {
    display: flex;
    gap: 0;
    align-items: center;
}

.youth-tabs a {
    padding: 5px 12px;
    background: transparent;
    color: #141414;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
    border-radius: 0;
}

.youth-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.youth-tabs a:last-child::after {
    display: none;
}

.youth-tabs a:hover,
.youth-tabs a.active {
    color: #1a5c2e;
    background: transparent;
}

.youth-main img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 6px;
}

.youth-main h3 {
    font-size: 20px;
    margin-top: 10px;
    color: #333;
    font-weight: 600;
    line-height: 1.3;
}

.youth-news {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.youth-news .news-item {
    display: flex;
    gap: 10px;
    align-items: flex-start;
    border-bottom: 1px solid #fff;
    padding-bottom: 10px;
}

.youth-news .news-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.youth-news .news-item img {
    width: 90px;
    height: 65px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.youth-news .news-item p {
    font-size: 16px;
    color: #333;
    line-height: 1.4;
    font-weight: 500;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.youth-banner-card {
    display: block;
    border-radius: 12px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    flex-shrink: 0;
}

.youth-banner-card:hover {
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.youth-banner-card img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
    transition: transform 0.3s ease;
}

.youth-banner-card:hover img {
    transform: scale(1.05);
}

.youth-banner img {
    width: 100%;
    height: 75px;
    object-fit: cover;
    border-radius: 6px;
}

/* Youth Cards */
.youth-card {
    border-radius: 10px;
    overflow: hidden;
}

/* Card 1: Tuổi trẻ C500 - Blue gradient */
.youth-card-blue {
    background: linear-gradient(135deg, #1565c0 0%, #42a5f5 50%, #e3f2fd 100%);
    padding: 12px 10px;
    text-align: center;
    height: 100px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.youth-card-blue .youth-card-logo img {
    width: 40px;
    height: 40px;
    margin-bottom: 5px;
}

.youth-card-blue .youth-card-text p {
    color: #1a237e;
    font-size: 11px;
    font-weight: 700;
    margin: 1px 0;
}

/* Card 2: Nội san */
.youth-card-noisan {
    background: linear-gradient(to bottom, #fff8e1, #f5f5dc);
    padding: 10px;
    position: relative;
    height: 75px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.youth-card-noisan .youth-card-content {
    text-align: center;
}

.youth-card-noisan h4 {
    color: #B10E2A;
    font-size: 12px;
    font-style: italic;
    margin-bottom: 2px;
}

.youth-card-noisan p {
    color: #B10E2A;
    font-size: 10px;
    font-style: italic;
    font-weight: 600;
    margin-bottom: 5px;
}

.btn-vaotrang {
    display: inline-block;
    background: #3d6b4a;
    color: #fff;
    padding: 3px 12px;
    border-radius: 10px;
    font-size: 9px;
}

.youth-card-noisan .youth-card-flag {
    position: absolute;
    bottom: 5px;
    right: 10px;
    color: #ffd700;
    font-size: 12px;
}

/* Card 3: Đoàn TNCS */
.youth-card-doan {
    background: #fff;
    border: 1px solid #e0e0e0;
    padding: 8px 10px;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 65px;
}

.youth-card-doan .youth-card-avatar img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #1565c0;
}

.youth-card-doan .youth-card-info .doan-title {
    color: #1a237e;
    font-size: 10px;
    font-weight: 700;
    margin-bottom: 1px;
}

.youth-card-doan .youth-card-info .doan-sub {
    color: #1a237e;
    font-size: 9px;
    font-weight: 600;
    margin-bottom: 3px;
}

.btn-facebook {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: #333;
    font-size: 10px;
}

.btn-facebook i {
    color: #1877f2;
}

/* Card 4: Cuộc thi */
.youth-card-contest {
    background: linear-gradient(135deg, #f5e6b3, #f0dca0);
    padding: 12px 10px;
    text-align: center;
    height: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.youth-card-contest h4 {
    color: #B10E2A;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 10px;
}

.contest-box {
    background: linear-gradient(135deg, #fff9c4, #ffeb3b);
    padding: 15px;
    border-radius: 10px;
    text-align: center;
    border: 2px solid #f9a825;
}

.contest-box h4 {
    color: #B10E2A;
    font-size: 14px;
    margin-bottom: 10px;
    font-weight: 700;
}

.btn-contest {
    display: inline-block;
    padding: 6px 18px;
    background: #6d4c41;
    color: #fff;
    font-size: 11px;
    border-radius: 15px;
}

.btn-contest:hover {
    background: #8b0a1f;
}

/* Media Section */
.section.media {
    background: #f5f5f5;
    border-radius: 15px;
}

.media-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 20px;
}

.media-title-wrapper .section-title {
    display: inline-block;
    margin-bottom: 0;
}

.media-tabs {
    display: flex;
    gap: 0;
    align-items: center;
}

.media-tabs a {
    padding: 5px 12px;
    background: transparent;
    color: #1a5c2e;
    font-size: 12px;
    position: relative;
    transition: all 0.3s;
    border-radius: 0;
}

.media-tabs a::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    height: 12px;
    width: 1px;
    background: #ccc;
}

.media-tabs a:last-child::after {
    display: none;
}

.media-tabs a:hover,
.media-tabs a.active {
    color: #B10E2A;
    background: transparent;
}

.media-tabs::after {
    content: '>';
    font-size: 12px;
    color: #999;
    margin-left: 5px;
}

.media-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 30px;
}

/* New Media Grid Design */
.media-grid-new {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}

.media-card {
    position: relative;
    border-radius: 12px;
    cursor: pointer;
}

.media-card img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    border-radius: 15px;
    transition: transform 0.3s ease;
}

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

.media-card-label {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    padding: 10px 20px;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    color: #fff;
    border-radius: 25px;
    white-space: nowrap;
    background: linear-gradient(90deg, rgba(139, 90, 60, 0.85), rgba(80, 50, 40, 0.9));
    backdrop-filter: blur(5px);
    transition: all 0.3s ease;
}

.media-card:hover .media-card-label {
    bottom: 25px;
}

.media-item {
    text-align: center;
    position: relative;
    background-color: #ececec;
    padding: 15px;
    border-radius: 10px;
}

.media-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 10px;
}

.media-item .play-btn {
    position: absolute;
    top: 40%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 50px;
    height: 50px;
    background: rgba(0,0,0,0.6);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
    transition: all 0.3s;
}

.media-item .play-btn:hover {
    background: #B10E2A;
}

.media-item p {
    margin-top: 10px;
    font-size: 15px;
    color: #333;
    font-weight: 600;
}

/* Gallery Section inside Media */
.gallery-section {
    border-top: 1px solid #e0e0e0;
    padding-top: 20px;
}

.gallery-title {
    text-align: center;
    font-size: 16px;
    color: #333;
    margin-bottom: 20px;
    font-weight: 700;
}

.gallery-slider {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.slider-btn {
    width: 30px;
    height: 60px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: #999;
    transition: all 0.3s;
}

.slider-btn:hover {
    color: #B10E2A;
}

.gallery-items {
    display: flex;
    gap: 20px;
    flex: 1;
    align-items: center;
    justify-content: center;
}

.gallery-item {
    flex: 1;
    min-width: 0;
    text-align: center;
    transition: all 0.3s ease;
}

.gallery-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.gallery-item.active img {
    height: 200px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transform: scale(1.05);
}

.gallery-item p {
    margin-top: 10px;
    font-size: 13px;
    color: #333;
    font-weight: 500;
}

.gallery-item.active p {
    font-weight: 600;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.slider-dots .dot {
    width: 8px;
    height: 8px;
    background: #ccc;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.slider-dots .dot.active {
    background: #666;
}

.slider-dots .dot.active {
    background: #666;
}

.gallery-item p {
    margin-top: 10px;
    font-size: 13px;
    color: #333;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.dot {
    width: 10px;
    height: 10px;
    background: #ddd;
    border-radius: 50%;
    cursor: pointer;
}

.dot.active {
    background: #1a5c2e;
}

/* Footer */
.footer {
    background: transparent;
    margin-top: 20px;
}

.footer-main {
    color: #fff;
    padding: 30px 0;
    position: relative;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 30px;
    align-items: start;
    padding: 0 120px 0 60px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.3);
}

.footer-logo h3 {
    font-size: 16px;
    font-weight: 700;
}

.footer-logo p {
    font-size: 13px;
    opacity: 0.8;
    text-align: center;
    color: rgb(255, 251, 0);
}

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 8px;
    font-size: 13px;
}

.contact-info li i {
    margin-top: 3px;
    color: #fff;
    width: 16px;
}

.footer-social {
    text-align: end;
}

.footer-cert h4,
.footer-map h4,
.footer-social h4 {
    font-size: 14px;
    margin-bottom: 15px;
    font-weight: 600;
}

.cert-logos {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.cert-logos img {
    height: auto;
    max-width: 150px;
    background: #fff;
    padding: 8px;
    border-radius: 6px;
}

.map-placeholder {
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
}

.map-placeholder iframe {
    border-radius: 8px;
}

.social-icons {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

.social-icons a {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 5px;
    font-size: 16px;
    transition: all 0.3s;
}

.social-icons .facebook {
    background: #3b5998;
}

.social-icons .zalo {
    background: #0068ff;
    font-size: 11px;
    font-weight: bold;
}

.social-icons .youtube {
    background: #ff0000;
}

.social-icons a:hover {
    transform: scale(1.1);
}

.scroll-top {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    width: 45px;
    height: 45px;
    background: #ffd700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s;
}

.scroll-top:hover {
    background: #ffcc00;
    transform: translateY(-50%) scale(1.1);
}

.scroll-top i {
    color: #fff;
    font-size: 18px;
}


.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 120px 0 60px;
}

.footer-bottom-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-bottom-left span {
    font-size: 13px;
    color: #fff;
}

.social-small {
    display: flex;
    gap: 8px;
}

.social-small a {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: linear-gradient(135deg, #2d5a3d, #1a5c2e, #3d6b4a);
    background-color: #fff;
    border-radius: 4px;
    font-size: 12px;
}

.footer-bottom-right span {
    font-size: 13px;
    color: #fff;
}

/* New Footer Styles */
.footer {
    position: relative;
}

.footer-wrapper {
    background-color: #3d6b4a;
    background-image: url('assets/Layer_1.png');
    background-size: cover;
    background-position: center;
    border-radius: 30px 30px 0 0;
    position: relative;
}

.footer-side-buttons {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.footer-main {
    color: #fff;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-content {
    max-width: 800px;
    margin: 0 auto;
}

.footer-logo-center {
    margin-bottom: 15px;
}

.footer-logo-center img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    border: 3px solid rgba(255,255,255,0.3);
}

.footer-subtitle {
    font-size: 16px;
    letter-spacing: 5px;
    color: #fff;
    margin-bottom: 20px;
    font-weight: 500;
}

.footer-title {
    font-size: 30px;
    font-weight: 700;
    color: #ffff;
    margin-bottom: 5px;
}

.footer-address {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    font-size: 14px;
}

.footer-contact-row {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 30px;
    margin-bottom: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.footer-bottom {
    padding: 15px 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.footer-bottom-content {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    color: #fff;
    font-size: 13px;
}

.footer-bottom-content p {
    margin: 0;
}

.footer-social-icons {
    display: flex;
    gap: 15px;
}

.footer-social-icons a {
    width: 30px;
    height: 30px;
    background: #fff;
    color: #00852F;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 15px;
    transition: all 0.3s;
}

.footer-social-icons a:hover {
    transform: scale(1.1);
}

.footer-social-icons a.zalo-icon {
    background: #fff;
    padding: 8px;
}

.footer-social-icons a.zalo-icon img {
    width: 15px;
    height: 15px;
    border-radius: 0;
}

.footer-social-icons a.zalo-icon:hover {
    background: #fff;
}

.footer-cert-logos {
    display: flex;
    gap: 10px;
    align-items: center;
}

.footer-cert-logos img {
    height: 40px;
    background: #fff;
    padding: 5px 10px;
    border-radius: 4px;
}

.footer-ai-assistant {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
}

.ai-avatar {
    position: relative;
    width: 60px;
    height: 60px;
}

.ai-avatar .ai-logo {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: none;
    z-index: 1;
}

.ai-avatar .ai-character {
    position: absolute;
    width: 50px;
    height: 60px;
    top: -2px;
    left: 2px;
    border-radius: 0;
    border: none;
    z-index: 2;
}

.footer-ai-assistant .ai-avatar {
    cursor: pointer;
    transition: all 0.3s;
}

.footer-ai-assistant .ai-avatar:hover {
    transform: scale(1.1);
}

.footer-ai-assistant span {
    font-size: 11px;
    color: #fff;
    font-weight: 500;
}

.footer-floating-buttons {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-floating-buttons a.btn-floating {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s;
}

.footer-floating-buttons a.btn-floating img {
    width: 45px;
    height: 45px;
    object-fit: contain;
}

.footer-floating-buttons a:hover {
    transform: scale(1.1);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .featured-grid,
    .activities-grid,
    .industry-grid,
    .training-grid,
    .international-grid,
    .research-grid,
    .digital-grid,
    .legal-grid,
    .youth-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .featured-banners,
    .sidebar-links,
    .announcements,
    .publications,
    .youth-sidebar {
        grid-column: span 2;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-info-bar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .logo-center {
        flex-direction: column;
        text-align: center;
    }
    
    .logo-text {
        text-align: center;
    }
    
    .logo-text h1 {
        font-size: 20px;
    }
    
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: #4a7c59;
        z-index: 1000;
    }
    
    .nav-menu.active {
        display: flex;
    }
    
    .nav-menu li {
        border-right: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
    }
    
    .main-nav .container {
        position: relative;
    }
    
    .featured-grid,
    .activities-grid,
    .industry-grid,
    .training-grid,
    .international-grid,
    .research-grid,
    .digital-grid,
    .legal-grid,
    .youth-grid,
    .media-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-small-grid {
        grid-template-columns: 1fr;
    }
    
    .featured-banners,
    .sidebar-links,
    .announcements,
    .publications,
    .youth-sidebar {
        grid-column: span 1;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .contact-info li {
        justify-content: center;
    }
    
    .cert-logos,
    .social-icons {
        justify-content: center;
    }
    
    .gallery-items {
        flex-direction: column;
    }
}

/* Lightbox Gallery */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.lightbox.active {
    display: flex;
}

.lightbox-img {
    width: 600px;
    height: 400px;
    object-fit: contain;
    border-radius: 10px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.5);
    background: #000;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    font-size: 40px;
    color: #fff;
    cursor: pointer;
    transition: all 0.3s;
}

.lightbox-close:hover {
    color: #ffd700;
    transform: scale(1.1);
}

.lightbox-prev,
.lightbox-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: #fff;
    font-size: 24px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
}

.lightbox-prev {
    left: 30px;
}

.lightbox-next {
    right: 30px;
}

.lightbox-prev:hover,
.lightbox-next:hover {
    background: rgba(255, 255, 255, 0.4);
}

.lightbox-thumbnails {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: center;
}

.lightbox-thumb {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 8px;
    cursor: pointer;
    opacity: 0.6;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.lightbox-thumb:hover,
.lightbox-thumb.active {
    opacity: 1;
    border-color: #ffd700;
}

.gallery-trigger {
    cursor: pointer;
}

@media (max-width: 480px) {
    .logo-text h1 {
        font-size: 18px;
    }
    
    .section {
        padding: 15px;
    }
    
    .section-title {
        font-size: 14px;
    }
    
    .training-tabs a,
    .international-tabs a,
    .digital-tabs a,
    .legal-tabs a,
    .youth-tabs a,
    .media-tabs a {
        padding: 6px 10px;
        font-size: 11px;
    }
}

/* Cursor pointer for clickable images and articles */
.featured-article,
.small-article,
.sidebar-main-article,
.news-item,
.activity-main,
.activity-item,
.industry-main,
.training-main,
.international-main,
.research-main,
.dual-main,
.digital-main,
.legal-main,
.youth-main,
.media-item,
.gallery-item,
.banner-item,
.banner-slider-box,
.link-box,
.publication-items,
.youth-banner {
    cursor: pointer;
}
