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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

/* Hero 背景图片 */
.hero-image {
    height: 600px;
    background-image: url('https://images.unsplash.com/photo-1524995997946-a1c2e315a42f?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
    background-size: cover;
    background-position: center;
}

/* 平滑过渡效果 */
a, button {
    transition: all 0.3s ease;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .hero-image {
        height: 400px;
    }
}