@layer utilities {
    .text-shadow {
        text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .text-shadow-lg {
        text-shadow: 0 4px 8px rgba(0,0,0,0.12), 0 2px 4px rgba(0,0,0,0.08);
    }
    .star {
        position: absolute;
        background-color: white;
        border-radius: 50%;
        animation: twinkle 3s infinite alternate; /* 延长动画周期 */
    }
    .card-hover {
        transition: all 0.3s ease;
    }
    .card-hover:hover {
        transform: translateY(-5px);
    }
    @keyframes twinkle {
        from { 
            opacity: 0.2; 
            transform: scale(0.8); /* 增加缩放效果 */
        }
        to { 
            opacity: 1; 
            transform: scale(1.2); /* 增加缩放效果 */
        }
    }
}

/* 基础样式优化 */
body {
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* 图片懒加载过渡效果 */
img {
    transition: opacity 0.3s ease-in-out;
}

img[data-src] {
    opacity: 0;
}

img.loaded {
    opacity: 1;
}

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

/* 导航栏链接动画优化 */
#navbar a {
    position: relative;
}

/* 功能卡片悬停增强效果 */
.card-hover {
    will-change: transform, box-shadow;
}

/* 按钮反馈优化 */
button, a[href] {
    will-change: transform, background-color;
}

/* 减少重绘的样式 */
#stars, .star {
    pointer-events: none;
}

/* 模态框动画优化 */
#coming-soon-modal > div {
    will-change: transform, opacity;
}
    
.logo {
    width: 30px;
    margin-right: 8px;
    border-radius: 5px;
}