/* ==========================================================================
   深圳市福田区来财软件工作室 · 官网自定义样式
   仅承载 Tailwind 原子类难以表达的效果，其余一律交给 Tailwind
   ========================================================================== */

/* 系统字体栈：不引用外部字体文件，避免额外网络请求与中文回退异常 */
body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial,
        "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
}

/* 锚点跳转为固定导航预留空间，替代 JS 滚动补偿 */
html {
    scroll-behavior: smooth;
    scroll-padding-top: 5.5rem;
}

/* 磨砂玻璃导航：纯 CSS 实现 */
.glass-nav {
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* 科技感网格背景 */
.tech-bg {
    background-color: #0f172a;
    background-image: linear-gradient(#1e293b 1px, transparent 1px),
        linear-gradient(90deg, #1e293b 1px, transparent 1px);
    background-size: 40px 40px;
}

/* 键盘导航可见的焦点样式，保证无障碍访问 */
:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 3px;
}

/* 尊重系统「减弱动态效果」偏好 */
@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}