:root {
            --primary: #2b6cb0;
            --secondary: #c05621;
        }
        .dark {
            --primary: #63b3ed;
            --secondary: #f6ad55;
        }
        .chart-bar {
            animation: grow 1s ease-out forwards;
            transform-origin: left;
        }
        @keyframes grow {
            from { transform: scaleX(0); }
        }
        .country-card:hover .flag-container {
            transform: rotateY(180deg);
        }
        .flag-container {
                    transition: transform 0.6s ease;
                    transform: scale(1);
                }
                .country-card:hover .flag-container {
                    transform: scale(1.2);
                }
                /* 自定义动画 */
    @keyframes slideUp {
        from { opacity: 0; transform: translateY(30px); }
        to { opacity: 1; transform: translateY(0); }
    }
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }
    @keyframes bounce-slow {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
    }

    .animate-slideUp {
        animation: slideUp 1s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
    }
    .animate-fadeIn {
        animation: fadeIn 1s ease forwards;
    }
    .animate-bounce-slow {
        animation: bounce-slow 2s infinite;
    }

    .stat-card {
        position: relative;
        border-radius: 1rem;
        padding: 1px;
        overflow: hidden;
        transition: transform 0.3s;
        background: linear-gradient(45deg, 
            rgba(124, 140, 124, 0.2) 0%, 
            rgba(124, 140, 124, 0.2) 100%);
        }
    .stat-card:hover {
        transform: scale(1.05);
    }



  
    /* 时间轴动画 */
    .timeline-item {
        position: relative;
        padding-bottom: 4rem;
        display: flex;
        justify-content: space-between;
        align-items: start;
    }

    @media (min-width: 768px) {
        .timeline-item:nth-child(odd) .timeline-content {
            margin-right: 2rem;
        }
        .timeline-item:nth-child(even) .timeline-content {
            margin-left: 2rem;
        }
    }

    /* 入场动画 */
    .timeline-item {
        opacity: 0;
        transform: translateY(2rem);
        transition: all 0.5s ease-out;
    }
    .timeline-item.in-view {
        opacity: 1;
        transform: translateY(0);
    }

 
    .custom-scrollbar::-webkit-scrollbar {
        width: 6px;
    }
    .custom-scrollbar::-webkit-scrollbar-track {
        background: rgba(0,0,0,0.1);
    }
    .custom-scrollbar::-webkit-scrollbar-thumb {
        background: rgba(78,205,196,0.5);
        border-radius: 4px;
    }
    .node-card {
        padding: 1rem;
        background-color: #ffffff;
        color: #1f2937;
        border-radius: 0.5rem;
        box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        border: 1px solid #e5e7eb;
        transition: all 0.3s ease-in-out;
    }

    .node-card:hover {
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .dark .node-card {
        background-color: #374151;
        color: #d1d5db;
        border-color: #4b5563;
    }


   /* 自定义标记样式 */
    .country-marker {
        background: linear-gradient(45deg, #ff6b6b, #ff8e53);
        border-radius: 50%;
        width: 24px!important;
        height: 24px!important;
        border: 2px solid white;
        box-shadow: 0 0 15px #ff6b6b;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .country-marker:hover {
        transform: scale(1.2);
        box-shadow: 0 0 25px #ff8e53;
    }

    
 /* 自定义动画效果 */
 .person-card {
    perspective: 1000px;
}

.person-card img {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.person-card:hover img {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 12px 24px rgba(0,0,0,0.15);
}

/* 暗色模式适配 */
.dark .person-card {
    --shadow-color: rgba(255,255,255,0.1);
}

/* 响应式调整 */
@media (max-width: 640px) {
    .person-card img {
        width: 36vw;
        height: 36vw;
    }
}