* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8f9fa;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    color: white;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

/* Top Title Bar */
.top-title-bar {
    background: linear-gradient(135deg, #004d2a 0%, #00773f 100%);
    padding: 0.8rem 0;
}

.top-title-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.site-logo-img {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-image {
    height: 50px;
    width: auto;
    object-fit: contain;
}

.site-title {
    display: flex;
    align-items: center;
}

.site-logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
    white-space: nowrap;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

/* Main Navigation */
.main-navigation {
    background: linear-gradient(135deg, #00663a 0%, #008549 100%);
    padding: 0.8rem 0;
}

.main-navigation .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Navigation Layout */
.nav-layout {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.nav-left-links,
.nav-center-links,
.nav-right-links {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    align-items: center;
}

/* Left Navigation */
.nav-left-links {
    justify-content: flex-start;
    flex: 0 0 auto;
}

/* Center Navigation */
.nav-center-links {
    justify-content: space-evenly;
    flex: 1;
    gap: 0;
}

/* Right Navigation */
.nav-right-links {
    justify-content: flex-end;
    flex: 0 0 auto;
}

/* Navigation Links Styling */
.nav-left-links a,
.nav-center-links a,
.nav-right-links a {
    color: white;
    text-decoration: none;
    padding: 0.5rem 0.8rem;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 500;
}

.nav-left-links a:hover,
.nav-center-links a:hover,
.nav-right-links a:hover,
.nav-left-links a.active,
.nav-center-links a.active,
.nav-right-links a.active {
    background-color: rgba(255,255,255,0.2);
}

.mobile-menu {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.mobile-menu span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Language Switch */
.language-switch {
    background: rgba(255,255,255,0.2);
    border: 2px solid rgba(255,255,255,0.3);
    border-radius: 25px;
    padding: 8px 16px;
    color: white;
    cursor: pointer;
    font-weight: bold;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: auto;
    min-width: 70px;
    white-space: nowrap;
}

.language-switch:hover {
    background: rgba(255,255,255,0.3);
    border-color: rgba(255,255,255,0.5);
    transform: translateY(-2px);
}

.language-switch:active {
    transform: translateY(0);
}

.language-switch .flag {
    font-size: 1.2rem;
    line-height: 1;
    display: inline-block;
}

.language-switch span {
    display: inline-block;
    vertical-align: middle;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(0, 77, 42, 0.85), rgba(0, 119, 63, 0.85)), 
                url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 600"><rect fill="%23e8f5e8" width="1200" height="600"/><circle fill="%23c8e6c9" cx="200" cy="150" r="80"/><circle fill="%23a5d6a7" cx="800" cy="300" r="120"/><circle fill="%2381c784" cx="1000" cy="100" r="60"/><path fill="%23a5d6a7" d="M100,400 Q300,350 500,400 T900,400 L900,600 L100,600 Z"/></svg>');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
    padding: 4rem 0;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* Search Section */
.search-container {
    max-width: 600px;
    margin: 2rem auto 0;
    position: relative;
}

.search-box {
    display: flex;
    background: white;
    border-radius: 50px;
    padding: 5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    align-items: center;
}

.search-box:hover {
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.search-filter {
    border: none;
    outline: none;
    padding: 15px 10px;
    font-size: 1rem;
    background: transparent;
    color: #00773f;
    font-weight: bold;
    cursor: pointer;
    border-right: 2px solid #e0e0e0;
    margin-right: 10px;
}

.search-filter:focus {
    color: #005530;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 15px 10px;
    font-size: 1rem;
    background: transparent;
    border-radius: 0 26px 26px 0px;
}

.search-input::placeholder {
    color: #999;
}

.search-btn {
    background: linear-gradient(135deg, #00773f, #005530);
    border: none;
    padding: 15px 25px;
    border-radius: 45px;
    color: white;
    cursor: pointer;
    font-size: 1rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.search-btn:hover {
    background: linear-gradient(135deg, #009951, #004d2a);
    transform: scale(1.05);
}

.search-categories {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.category-tag {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255,255,255,0.3);
}

.category-tag:hover {
    background: white;
    color: #00773f;
    transform: translateY(-2px);
}

/* Main Content */
main {
    padding: 3rem 0;
}

.section {
    margin-bottom: 4rem;
}

.section h2 {
    font-size: 2.5rem;
    color: #00773f;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.section h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: linear-gradient(135deg, #00773f, #005530);
    border-radius: 2px;
}

/* Introduction Section */
.introduction {
    background: white;
    padding: 3rem;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    margin-bottom: 3rem;
}

.introduction p {
    font-size: 0.95rem;
    line-height: 1.7;
    color: #555;
    text-align: justify;
    text-indent: 2em;
    margin-bottom: 1rem;
}

/* News & Events Section */
.news-events {
    margin-bottom: 3rem;
}

.news-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.news-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    cursor: pointer;
}

.news-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.news-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #009951 0%, #00773f 100%);
    position: relative;
    overflow: hidden;
}


/* Specific images for core functions */
.animals-image {
    background: linear-gradient(135deg, #00773f 0%, #005530 100%);
}

.animals-image::after {
    content: '🐄';
    font-size: 2.5rem;
}

.plants-image {
    background: linear-gradient(135deg, #009951 0%, #00773f 100%);
}

.plants-image::after {
    content: '🌿';
    font-size: 2.5rem;
}

.prediction-image {
    background: linear-gradient(135deg, #00a855 0%, #00773f 100%);
}

.prediction-image::after {
    content: '📊';
    font-size: 2.5rem;
}

.news-content {
    padding: 1.5rem;
}

.news-card h3 {
    color: #00773f;
    margin-bottom: 1rem;
    font-size: 1.3rem;
    line-height: 1.4;
}

.news-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.news-meta {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid #eee;
}

.news-date {
    color: #999;
    font-size: 0.9rem;
}

.more-link {
    color: #00773f;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
    font-size: 0.9rem;
}

.more-link:hover {
    color: #005530;
}

.more-link::after {
    content: ' →';
    transition: transform 0.3s ease;
}

.more-link:hover::after {
    transform: translateX(5px);
}

/* Statistics Section */
.statistics {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.stat-card {
    background: linear-gradient(135deg, #00773f, #005530);
    color: white;
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    text-decoration: none;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
}

.stat-number {
    font-size: 3rem;
    font-weight: bold;
    /*margin-bottom: 0.5rem; */
    display: block;
    text-align: center; /* 强制数字居中 */
    width: 100%;
}

.stat-label {
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-align: center; /* 强制数字居中 */
    width: 100%;
}

/* Footer */
footer {
    background: #00773f;
    color: white;
    text-align: center;
    padding: 2rem 0;
    margin-top: 3rem;
}

footer p {
    font-size: 1rem;
    line-height: 1.6;
}

/* Responsive Design Removed */





/* Animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeInUp 0.6s ease-out;
}
        /* 导航栏基础样式 */
        .main-navigation {
            background: linear-gradient(135deg, #00663a 0%, #008549 100%);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        
        .nav-item {
            position: relative;
        }
        
        .nav-link {
            display: block;
            padding: 15px 20px;
            color: white !important;
            text-decoration: none;
            font-weight: 500;
            font-size: 15px;
            transition: all 0.3s ease;
            border-radius: 4px;
            margin: 0 2px;
        }
        
        .nav-link:hover,
        .nav-link.active {
            background: rgba(255, 255, 255, 0.15);
            color: #ffffff !important;
            transform: translateY(-2px);
            box-shadow: 0 4px 8px rgba(0,0,0,0.2);
        }
        
        /* 下拉菜单样式 */
        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 50%;
            transform: translateX(-50%) translateY(-20px);
            background: linear-gradient(145deg, #ffffff 0%, #f8f9fa 100%);
            min-width: 220px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.15);
            border-radius: 8px;
            padding: 15px 0;
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            max-height: 0;
            overflow: hidden;
            border: 1px solid #e9ecef;
            transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        
        .dropdown-menu::before {
            content: '';
            position: absolute;
            top: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 0;
            border-left: 8px solid transparent;
            border-right: 8px solid transparent;
            border-bottom: 8px solid #ffffff;
        }
        
        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            max-height: 500px;
            transform: translateX(-50%) translateY(0);
        }
        
        .dropdown-item {
            display: block;
            padding: 12px 20px;
            color: #495057 !important;
            text-decoration: none;
            font-size: 14px;
            font-weight: 400;
            border-bottom: 1px solid #f1f3f4;
            transition: all 0.3s ease;
            position: relative;
        }
        
        .dropdown-item:last-child {
            border-bottom: none;
        }
        
        .dropdown-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            height: 100%;
            width: 0;
            background: linear-gradient(90deg, #2e8b57, #3cb371);
            transition: width 0.3s ease;
        }
        
        .dropdown-item:hover {
            background: linear-gradient(90deg, rgba(46, 139, 87, 0.05) 0%, rgba(60, 179, 113, 0.05) 100%);
            color: #2e8b57 !important;
            padding-left: 25px;
            transform: translateX(5px);
        }
        
        .dropdown-item:hover::before {
            width: 4px;
        }
        
        /* 下拉箭头样式 */
        .dropdown-toggle::after {
            content: '▼';
            font-size: 0.7em;
            margin-left: 8px;
            transition: transform 0.3s ease;
            opacity: 0.8;
        }
        
        .nav-item:hover .dropdown-toggle::after {
            transform: rotate(180deg);
            opacity: 1;
        }
        
        /* 左侧首页链接特殊样式 */
     /*   .nav-left-links .nav-link {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }
        */
        .nav-left-links .nav-link:hover {
            background: rgba(255, 255, 255, 0.25);
            border-color: rgba(255, 255, 255, 0.4);
        }
        
        /* 语言切换样式 */
        .language-switch a {
            color: white !important;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.3s ease;
        }
        
        .language-switch a:hover {
            color: #f0f8f5 !important;
            text-shadow: 0 0 5px rgba(255, 255, 255, 0.5);
        }
        
        .language-switch span {
            color: white;
            margin: 0 8px;
        }
        
        /* 响应式优化已移除 */
        
        
        
        /* About Page Styles - Academic Layout */

/* Banner Section */
.about-banner {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.banner-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Main Layout */
.about-main {
    min-height: calc(100vh - 320px);
    padding: 0;
    background: #f5f5f5;
}

/* About Layout */
.about-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: calc(100vh - 120px);
}

/* Left Sidebar */
.about-sidebar {
    background: #00773f;
    color: white;
    padding: 0;
    position: relative;
}

.sidebar-header {
    background: #005530;
    padding: 2rem;
    text-align: center;
}

.sidebar-header h3 {
    color: white;
    font-size: 1.5rem;
    margin: 0;
    font-weight: bold;
}

.sidebar-menu {
    padding: 1rem 0;
}

.menu-item {
    display: block;
    padding: 1rem 2rem;
    color: rgba(255,255,255,0.9);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    font-size: 0.95rem;
}

.menu-item:hover {
    background: rgba(255,255,255,0.1);
    color: white;
    padding-left: 2.5rem;
}

.menu-item.active {
    background: #005530;
    color: white;
    font-weight: bold;
    border-left: 4px solid white;
}

/* Right Content Area */
.about-content {
    background: white;
    padding: 2rem;
    overflow-y: auto;
}

.content-section {
    display: none;
    animation: fadeInUp 0.4s ease-out;
}

.content-section.active {
    display: block;
}

.content-section h2 {
    color: #00773f;
    font-size: 2rem;
    margin: 0 0 1.5rem 0;
    font-weight: bold;
    border-bottom: 3px solid #00773f;
    padding-bottom: 0.5rem;
}

.section-content {
    line-height: 1.8;
    color: #333;
}

.section-content p {
    font-size: 1rem;
    margin-bottom: 1.2rem;
    text-align: justify;
}

/* Highlight Box */
.highlight-box {
    background: linear-gradient(135deg, #f0f8f5 0%, #e6f4ea 100%);
    border-left: 4px solid #00773f;
    padding: 1.5rem;
    margin: 2rem 0;
    border-radius: 0 8px 8px 0;
}

.highlight-box h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
}

.highlight-box ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.highlight-box li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.highlight-box li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #00773f;
    font-weight: bold;
}

/* Team Grid */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.team-member {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.team-member:hover {
    box-shadow: 0 4px 16px rgba(0,119,63,0.1);
    transform: translateY(-2px);
}

.member-info h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
}

.member-info p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Mission Grid */
.mission-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.mission-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
}

.mission-item:hover {
    box-shadow: 0 6px 20px rgba(0,119,63,0.1);
    transform: translateY(-3px);
}

.mission-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.mission-item h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
}

.mission-item p {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
}

/* Achievement Items */
.achievement-item {
    background: linear-gradient(135deg, #f8fbf9 0%, #f0f8f5 100%);
    border-left: 4px solid #00773f;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

.achievement-item h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
}

.achievement-item ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.achievement-item li {
    padding: 0.5rem 0;
    position: relative;
    padding-left: 1.5rem;
    color: #333;
}

.achievement-item li:before {
    content: "▶";
    position: absolute;
    left: 0;
    color: #00773f;
    font-size: 0.8rem;
}

/* Cooperation Sections */
.cooperation-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.cooperation-section h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.3rem;
}

.cooperation-section p {
    color: #333;
    line-height: 1.7;
    margin: 0;
}

/* Contact Info */
.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin: 2rem 0;
}

.contact-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.contact-item h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.1rem;
}

.contact-item p {
    color: #333;
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.map-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f0f8f5 0%, #e6f4ea 100%);
    border-radius: 8px;
    border: 1px solid #d4eedd;
}

.map-section h4 {
    color: #00773f;
    margin: 0 0 1rem 0;
    font-size: 1.2rem;
}

.map-section p {
    color: #333;
    margin: 0;
    line-height: 1.6;
}

/* Active Navigation Link */
.nav-links a.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design Removed */



/* Focus States for Accessibility */
.menu-item:focus {
    outline: 2px solid rgba(255,255,255,0.8);
    outline-offset: -2px;
}

/* Smooth Transitions */
.menu-item,
.team-member,
.mission-item,
.contact-item,
.cooperation-section,
.achievement-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Print Styles */
@media print {
    .about-sidebar {
        display: none;
    }
    
    .about-layout {
        grid-template-columns: 1fr;
    }
    
    .content-section {
        display: block !important;
        page-break-inside: avoid;
        margin-bottom: 2rem;
    }
    
    .content-section h2 {
        page-break-after: avoid;
    }
}

/* Cases Page Styles - Academic Layout */

/* Banner Section */
.cases-banner {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
}

.banner-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}


/* Main Layout */
.cases-main {
    min-height: calc(100vh - 320px);
    padding: 0;
    background: #f5f5f5;
}

/* Cases Layout */
.cases-layout {
    display: grid;
    grid-template-columns: 250px 1fr;
    min-height: calc(100vh - 120px);
}

/* Left Sidebar - Title Only */
.cases-sidebar {
    background: #00773f;
    color: white;
    padding: 0;
    position: relative;
}

.sidebar-header {
    background: #005530;
    padding: 2rem;
    text-align: center;
}

.sidebar-header h3 {
    color: white;
    font-size: 1.5rem;
    margin: 0;
    font-weight: bold;
}

/* Right Content Area */
.cases-content {
    background: white;
    padding: 2rem;
    overflow-y: auto;
}

/* All Cases Container */
.all-cases-container {
    width: 100%;
}

.case-items {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

/* Case Item Styles */
.case-item {
    background: white;
    border: 1px solid #e9ecef;
    border-radius: 8px;
    padding: 1.5rem;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.case-item:hover {
    border-color: #00773f;
    box-shadow: 0 4px 12px rgba(0,119,63,0.1);
    transform: translateY(-2px);
}

.case-item h4 {
    color: #333;
    font-size: 1.2rem;
    margin: 0 0 1rem 0;
    font-weight: bold;
    line-height: 1.4;
}

.case-item:hover h4 {
    color: #00773f;
}

.case-summary {
    color: #666;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Pagination Styles */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
    padding: 2rem 0;
    border-top: 1px solid #e9ecef;
}

.pagination-btn {
    background: #00773f;
    color: white;
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.3s ease;
}

.pagination-btn:hover:not(:disabled) {
    background: #005530;
}

.pagination-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
}

.pagination-number {
    background: white;
    color: #00773f;
    border: 1px solid #00773f;
    padding: 0.6rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    min-width: 40px;
    text-align: center;
}

.pagination-number:hover {
    background: #00773f;
    color: white;
}

.pagination-number.active {
    background: #00773f;
    color: white;
}

/* Active Navigation Link */
.nav-links a.active {
    background-color: rgba(255,255,255,0.2);
    color: white;
}

/* Loading State */
.cases-content.loading {
    opacity: 0.7;
    pointer-events: none;
}

.cases-content.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 40px;
    height: 40px;
    border: 4px solid #f3f3f3;
    border-top: 4px solid #00773f;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    transform: translate(-50%, -50%);
    z-index: 1000;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.case-list.active {
    animation: fadeInUp 0.4s ease-out;
}

/* Responsive Design Removed */



/* Focus States for Accessibility */
.category-item:focus,
.case-item:focus {
    outline: 2px solid rgba(255,255,255,0.8);
    outline-offset: -2px;
}

.case-item:focus {
    outline-color: #00773f;
}

/* Smooth Transitions */
.case-item,
.category-item {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Hover Effects Enhancement */
.case-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: #00773f;
    transform: scaleY(0);
    transform-origin: bottom;
    transition: transform 0.3s ease;
}

.case-item:hover::before {
    transform: scaleY(1);
}

.case-item {
    position: relative;
    overflow: hidden;
}

/* Print Styles */
@media print {
    .cases-sidebar {
        display: none;
    }
    
    .cases-layout {
        grid-template-columns: 1fr;
    }
    
    .case-item {
        break-inside: avoid;
        margin-bottom: 1rem;
    }
}



/* Case Detail Page Styles */

/* Banner Section */
.case-detail-banner {
    position: relative;
    width: 100%;
    height: 160px;
    overflow: hidden;
}

.case-detail-banner .banner-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.case-detail-banner .banner-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

.case-detail-banner .banner-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 119, 63, 0.6);
}

/* Main Layout */
.case-detail-main {
    min-height: calc(100vh - 280px);
    padding: 2rem 0;
    background: #f8f9fa;
}

/* Breadcrumb Section */
.breadcrumb-section {
    background: white;
    padding: 1rem 0 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.breadcrumb {
    font-size: 0.9rem;
}

.breadcrumb a {
    color: #00773f;
    text-decoration: none;
}

.breadcrumb a:hover {
    text-decoration: underline;
}

.breadcrumb span {
    margin: 0 0.5rem;
    color: #666;
}

.breadcrumb .current-category,
.breadcrumb .current-case {
    color: #333;
    font-weight: 500;
}

/* Back Button Section */
.back-button-section {
    background: transparent;
    padding: 0.5rem 0 1rem 0;
    margin-bottom: 2rem;
}

.back-btn-left {
    background: transparent;
    color: #00773f;
    border: none;
    padding: 0.6rem 0;
    cursor: pointer;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    white-space: nowrap;
    text-decoration: none;
}

.back-btn-left:hover {
    color: #005530;
    text-decoration: underline;
}

/* Article Layout */
.case-article {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 2rem;
}

.case-title {
    color: #00773f;
    font-size: 2rem;
    margin-bottom: 2rem;
    font-weight: bold;
    line-height: 1.3;
    text-align: center;
    padding-bottom: 1rem;
    border-bottom: 2px solid #f0f0f0;
}

.case-content {
    line-height: 1.8;
}

.case-content p {
    font-size: 1rem;
    color: #444;
    margin-bottom: 2rem;
    text-align: justify;
}

.case-image {
    width: 100%;
    max-width: 800px;
    height: 400px;
    object-fit: cover;
    border-radius: 8px;
    margin: 2rem auto;
    display: block;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}




/* Responsive Design Removed */