@layer utilities {
    .content-auto {
        content-visibility: auto;
    }
    .text-shadow {
        text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }
    .transition-transform {
        transition-property: transform;
        transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
        transition-duration: 300ms;
    }
    .scrollbar-hide::-webkit-scrollbar {
        display: none;
    }
    .scrollbar-hide {
        -ms-overflow-style: none;
        scrollbar-width: none;
    }
    .partner-logo {
        filter: grayscale(100%);
        transition: all 0.3s ease;
    }
    .partner-logo:hover {
        filter: grayscale(0);
        transform: scale(1.05);
    }
    .dropdown-menu {
        opacity: 0;
        visibility: hidden;
        transform: translateY(10px);
        transition: all 0.3s ease;
    }
    .dropdown:hover .dropdown-menu {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    /* 新增：无子女菜单的项移除hover触发 */
    .no-children:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
    }
}

/* 全局样式 */
body {
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
}

/* Banner轮播样式 */
.banner-slide {
    opacity: 0;
    transition: opacity 0.8s ease-in-out;
}
.banner-slide.active {
    opacity: 1;
}

/* 导航栏滚动效果 */
.nav-scrolled {
    background-color: rgba(15, 82, 186, 0.95);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 产品卡片悬停效果 */
.product-card {
    transition: all 0.3s ease;
}
.product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px -5px rgba(15, 82, 186, 0.15);
}