/* 基础样式 */
body {
    font-family: 'Inter', system-ui, sans-serif;
    scroll-behavior: smooth;
}

/* 导航栏滚动效果 */
#navbar.scrolled {
    background-color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 动画效果 */
.animate-fade-in {
    animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 按钮悬停效果 */
button {
    transition: all 0.3s ease;
}

/* 图片悬停缩放 */
.image-hover {
    transition: transform 0.5s ease;
}

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

/* 平滑滚动 */
html {
    scroll-behavior: smooth;
}

/* 响应式布局 */
@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3, .grid-cols-4 {
        grid-template-columns: 1fr;
    }
}

/* 骨架屏加载效果 */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}