/* 全局样式 */
body {
    scroll-behavior: smooth;
}

/* 导航栏滚动效果 */
#navbar {
    background-color: rgba(17, 24, 39, 0.8);
    backdrop-filter: blur(8px);
}

#navbar.scrolled {
    background-color: rgba(17, 24, 39, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* 动画效果 */
.animate-fade-in {
    animation: fadeIn 1s ease-in-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* 时间线样式 */
.timeline-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.timeline-item.visible {
    opacity: 1;
    transform: translateY(0);
}

/* 服务卡片悬停效果 */
.service-card:hover {
    transform: translateY(-10px);
}

/* 品牌卡片样式 */
.brand-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* 评价轮播样式 */
.testimonial-slide {
    transition: all 0.5s ease-in-out;
}

/* 回到顶部按钮 */
#back-to-top:hover {
    transform: scale(1.1);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

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

/* 图片悬停效果 */
img {
    transition: transform 0.5s ease;
}

img:hover {
    transform: scale(1.05);
}

/* 覆盖Tailwind默认样式 */
.btn-primary {
    @apply bg-blue-900 hover:bg-blue-800 text-white font-bold py-3 px-8 rounded-lg transition-colors;
}

.btn-secondary {
    @apply bg-orange-500 hover:bg-orange-600 text-white font-bold py-3 px-8 rounded-lg transition-colors;
}