/* 内容卡片样式 */
.content-card {
    background: white;
    border-radius: 8px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
    margin-bottom: 2.5rem;
}

.card-header {
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
    border-bottom: 1px solid var(--border-color);
}

.card-header h2 {
    color: var(--primary-blue);
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 2rem;
}

/* 领导致辞样式 */
.leader-speech {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.leader-info {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(26, 35, 126, 0.03);
    border-radius: 8px;
}

.leader-photo {
    width: 120px;
    height: 150px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
}

.leader-details {
    flex: 1;
}

.leader-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.3rem;
}

.leader-title {
    font-size: 1rem;
    color: var(--medium-text);
    margin-bottom: 0.5rem;
}

.leader-quote {
    font-style: italic;
    color: var(--dark-text);
    padding-left: 1rem;
    border-left: 3px solid var(--accent-gold);
}

.speech-content {
    font-size: 1.05rem;
    line-height: 1.8;
}

.speech-content p {
    margin-bottom: 1.2rem;
}

.highlight-text {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
    padding: 1.5rem;
    border-radius: 6px;
    border-left: 4px solid var(--accent-gold);
    margin: 1.5rem 0;
}

      .overview-content {
            margin-bottom: 3rem;
        }
        
        .overview-section {
            margin-bottom: 2.5rem;
            padding: 1.5rem;
            background: rgba(26, 35, 126, 0.02);
            border-radius: 10px;
            border-left: 4px solid var(--accent-gold);
            transition: all 0.3s ease;
        }
        
        .overview-section:hover {
            background: rgba(26, 35, 126, 0.05);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        
        .overview-section h3 {
            color: var(--primary-blue);
            font-size: 1.4rem;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .overview-section h3 i {
            color: var(--accent-gold);
        }
        
        .overview-text {
            line-height: 1.8;
            color: var(--dark-text);
            margin-bottom: 1rem;
        }
        
        .overview-highlight {
            background: linear-gradient(135deg, rgba(212, 175, 55, 0.1) 0%, rgba(212, 175, 55, 0.05) 100%);
            padding: 1.2rem;
            border-radius: 8px;
            margin: 1.2rem 0;
            border-left: 3px solid var(--accent-gold);
        }
        
        .overview-highlight p {
            margin: 0;
            font-weight: 500;
            color: var(--primary-blue);
        }
        
        .overview-grid-improved {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.8rem;
            margin-top: 2rem;
        }
        
        .stat-card {
            background: white;
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s ease;
        }
        
        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-gold);
        }
        
        .stat-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            display: block;
        }
        
        .stat-label {
            font-size: 0.95rem;
            color: var(--medium-text);
            font-weight: 500;
        }
        
        /* 历史沿革时间轴 - 改进版 */
        .timeline-improved {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            padding: 2rem 0;
        }
        
        .timeline-improved::before {
            content: '';
            position: absolute;
            left: 30px;
            top: 0;
            width: 3px;
            height: 100%;
            background: linear-gradient(to bottom, var(--accent-gold) 0%, var(--primary-blue) 100%);
        }
        
        .timeline-item-improved {
            position: relative;
            margin-bottom: 2.5rem;
            padding-left: 70px;
            /*opacity: 0;*/
            transform: translateX(-20px);
            transition: all 0.6s ease;
        }
        
        .timeline-item-improved.visible {
            opacity: 1;
            transform: translateX(0);
        }
        
        .timeline-dot-improved {
            position: absolute;
            left: 22px;
            top: 0;
            width: 20px;
            height: 20px;
            background: white;
            border: 3px solid var(--accent-gold);
            border-radius: 50%;
            box-shadow: 0 0 0 5px rgba(212, 175, 55, 0.2),
                        0 4px 8px rgba(0, 0, 0, 0.1);
            z-index: 2;
        }
        
        .timeline-year-improved {
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
            color: white;
            padding: 0.5rem 1.2rem;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 1rem;
            box-shadow: var(--shadow-sm);
        }
        
        .timeline-content-improved {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
        }
        
        .timeline-content-improved::before {
            content: '';
            position: absolute;
            left: -10px;
            top: 20px;
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-right: 10px solid white;
        }
        
        .timeline-content-improved::after {
            content: '';
            position: absolute;
            left: -11px;
            top: 20px;
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-right: 10px solid var(--border-color);
            z-index: -1;
        }
        
        .timeline-content-improved:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-gold);
        }
        
        .timeline-content-improved h3 {
            color: var(--primary-blue);
            margin-bottom: 0.8rem;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        
        .timeline-content-improved h3 i {
            color: var(--accent-gold);
        }
        
        .timeline-content-improved p {
            color: var(--medium-text);
            line-height: 1.7;
            margin-bottom: 1rem;
        }
        
        .timeline-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: rgba(26, 35, 126, 0.08);
            color: var(--primary-blue);
            padding: 0.3rem 0.8rem;
            border-radius: 15px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-top: 0.8rem;
        }
  
          /* 区位优势示意图 - 全新设计 */
        .location-advantage {
            margin-top: 3rem;
            background: linear-gradient(135deg, #f8fafc 0%, #ffffff 100%);
            border-radius: 12px;
            padding: 2rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }
        
        .location-header {
            text-align: center;
            margin-bottom: 2rem;
        }
        
        .location-header h3 {
            font-size: 1.6rem;
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
        }
        
        .location-header p {
            color: var(--medium-text);
            max-width: 750px;
            margin: 0 auto;
            line-height: 1.6;
        }
        
        .location-visual {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        
        .map-container {
            position: relative;
            width: 100%;
            max-width: 800px;
            height: 400px;
            background: linear-gradient(135deg, #e8f4fd 0%, #d4e7fa 100%);
            border-radius: 10px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow-md);
        }
        
        .map-base {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 30% 40%, rgba(255,255,255,0.8) 2%, transparent 2.5%),
                radial-gradient(circle at 50% 60%, rgba(255,255,255,0.8) 3%, transparent 3.5%),
                radial-gradient(circle at 70% 35%, rgba(255,255,255,0.8) 2.5%, transparent 3%);
        }
        
        .map-river {
            position: absolute;
            width: 60%;
            height: 200px;
            background: linear-gradient(90deg, #4a90e2 0%, #357abd 100%);
            border-radius: 100px;
            top: 50%;
            left: 20%;
            transform: translateY(-50%);
            opacity: 0.8;
            animation: riverFlow 8s infinite linear;
        }
        
        @keyframes riverFlow {
            0% { background-position: 0% 50%; }
            100% { background-position: 200% 50%; }
        }
        
        .location-dot {
            position: absolute;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 1.2rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            transform: translate(-50%, -50%);
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 2;
        }
        
        .location-dot:hover {
            transform: translate(-50%, -50%) scale(1.1);
            box-shadow: 0 6px 20px rgba(0,0,0,0.2);
        }
        
        .dot-laos {
            top: 60%;
            left: 40%;
            background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
        }
        
        .dot-thailand {
            top: 40%;
            left: 60%;
            background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
        }
        
        .dot-myanmar {
            top: 50%;
            left: 65%;
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
        }
        
        .dot-china {
            top: 20%;
            left: 25%;
            background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
        }
        
        .dot-label {
            position: absolute;
            background: white;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark-text);
            box-shadow: var(--shadow-md);
            white-space: nowrap;
            z-index: 3;
            opacity: 0;
            transform: translateY(10px);
            transition: all 0.3s ease;
            pointer-events: none;
        }
        
        .dot-laos .dot-label {
            top: -50px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
        }
        
        .dot-thailand .dot-label {
            top: -50px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
        }
        
        .dot-myanmar .dot-label {
            top: -50px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
        }
        
        .dot-china .dot-label {
            top: -50px;
            left: 50%;
            transform: translateX(-50%) translateY(10px);
        }
        
        .location-dot:hover .dot-label {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }
        
        .location-connections {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            pointer-events: none;
        }
        
        .connection-line {
            position: absolute;
            background: rgba(212, 175, 55, 0.6);
            height: 2px;
            transform-origin: left center;
            z-index: 1;
        }
        
        .line-laos-thailand {
            top: 60%;
            left: 40%;
            width: 90px;
            transform: rotate(30deg);
        }
        
        .line-laos-myanmar {
            top: 60%;
            left: 40%;
            width: 110px;
            transform: rotate(45deg);
        }
        
        .line-laos-china {
            top: 60%;
            left: 40%;
            width: 80px;
            transform: rotate(-30deg);
        }
        
        .advantage-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1.5rem;
            width: 100%;
            max-width: 800px;
        }
        
        .feature-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            padding: 1rem;
            background: white;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }
        
        .feature-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-gold);
        }
        
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.5rem;
            color: white;
        }
        
        .icon-waterway {
            background: linear-gradient(135deg, #4a90e2 0%, #357abd 100%);
        }
        
        .icon-highway {
            background: linear-gradient(135deg, var(--accent-gold) 0%, #B8860B 100%);
        }
        
        .icon-airport {
            background: linear-gradient(135deg, var(--secondary-blue) 0%, #1a237e 100%);
        }
        
        .icon-border {
            background: linear-gradient(135deg, #10b981 0%, #059669 100%);
        }
        
        .feature-item h4 {
            color: var(--primary-blue);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }
        
        .feature-item p {
            color: var(--medium-text);
            font-size: 0.9rem;
            line-height: 1.5;
        }
        
        .location-stats {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 1rem;
            width: 100%;
            max-width: 800px;
            margin-top: 1rem;
        }
        
        .stat-item {
            text-align: center;
            padding: 1rem;
            background: rgba(26, 35, 126, 0.05);
            border-radius: 8px;
            border: 1px solid rgba(26, 35, 126, 0.1);
        }
        
        .stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary-blue);
            display: block;
            margin-bottom: 0.3rem;
        }
        
        .stat-label {
            font-size: 0.9rem;
            color: var(--medium-text);
            font-weight: 500;
        }
        
        /* 响应式调整 */
        @media (max-width: 768px) {
            .map-container {
                height: 300px;
            }
            
            .location-dot {
                width: 35px;
                height: 35px;
                font-size: 1rem;
            }
            
            .advantage-features {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            
            .feature-item {
                padding: 1.2rem;
            }
            
            .location-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }
/* 管理架构样式 */
.org-chart {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.org-level {
    display: flex;
    justify-content: center;
    margin-bottom: 3rem;
    width: 100%;
}

.org-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    min-width: 220px;
    position: relative;
}

.org-item.main {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: white;
    border: none;
}

.org-item.main .org-title {
    color: white;
}

.org-title {
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
}

.org-desc {
    font-size: 0.85rem;
    color: var(--medium-text);
}

.org-item.main .org-desc {
    color: rgba(255, 255, 255, 0.9);
}

.org-connector {
    position: absolute;
    width: 2px;
    height: 30px;
    background: #cbd5e1;
    bottom: -30px;
    left: 50%;
    transform: translateX(-50%);
}

/* 返回按钮 */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.5rem;
    background: var(--primary-blue);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.back-btn:hover {
    background: var(--secondary-blue);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* 响应式调整 */
@media (max-width: 768px) {
    .page-nav {
        top: 60px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item:nth-child(odd) .timeline-content,
    .timeline-item:nth-child(even) .timeline-content {
        margin-left: 60px;
        margin-right: 0;
        text-align: left;
    }
    
    .timeline-dot {
        left: 30px;
    }
    
    .timeline-year {
        left: 30px;
        transform: translateX(0);
    }
    
    .org-level {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .leader-info {
        flex-direction: column;
        text-align: center;
    }
}


/* 为现有图片添加全屏效果 - 添加到现有CSS中 */
.timeline-content-improved {
    position: relative;
    cursor: pointer;
}

/* 图片容器 */
.timeline-content-improved > div {
    position: relative;
    display: inline-block;
    max-width: 100%;
}

/* 图片全屏覆盖层 */
.timeline-content-improved > div::after {
    content: '⛶';
    position: absolute;
    top: 15px;
    right: 15px;
    width: 40px;
    height: 40px;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    opacity: 0;
    transition: opacity 0.3s ease;
    cursor: pointer;
    z-index: 10;
}

.timeline-content-improved > div:hover::after {
    opacity: 1;
}

/* 图片样式修正 */
.timeline-content-improved img {
    max-width: 100%;
    height: auto !important;
    display: block;
    margin: 0 auto;
    border-radius: 8px;
    transition: transform 0.3s ease;
}

.timeline-content-improved img:hover {
    transform: scale(1.01);
}

/* 移除原有固定尺寸 */
.timeline-content-improved div[style*="width: 800px"] {
    width: 100% !important;
    max-width: 800px;
    margin: 0 auto !important;
}

.timeline-content-improved div[style*="height: 533px"] {
    height: auto !important;
}

/* 全屏模态框样式 */
.fullscreen-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.95);
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s ease;
}

.fullscreen-overlay.active {
    display: flex;
}

.fullscreen-image {
    max-width: 95vw;
    max-height: 95vh;
    object-fit: contain;
    animation: zoomIn 0.3s ease;
    border-radius: 8px;
}

.close-fullscreen {
    position: absolute;
    top: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    z-index: 10000;
}

.close-fullscreen:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: rotate(90deg);
}

/* 图片年份显示 */
.image-year {
    position: absolute;
    top: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: white;
    font-size: 20px;
    font-weight: 600;
    background: rgba(0, 0, 0, 0.6);
    padding: 10px 20px;
    border-radius: 20px;
    backdrop-filter: blur(10px);
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes zoomIn {
    from { 
        opacity: 0;
        transform: scale(0.9);
    }
    to { 
        opacity: 1;
        transform: scale(1);
    }
}

/* 响应式调整 */
@media (max-width: 768px) {
    .close-fullscreen {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .image-year {
        top: 20px;
        font-size: 16px;
        padding: 8px 16px;
    }
    
    .timeline-content-improved > div::after {
        width: 35px;
        height: 35px;
        font-size: 18px;
        top: 10px;
        right: 10px;
    }
}