:root {
    --rc-primary: #2563eb;
    --rc-primary-hover: #1d4ed8;
    --rc-primary-soft: #eff6ff;
    --rc-accent: #0f9f8f;
    --rc-success: #15803d;
    --rc-warning: #b45309;
    --rc-danger: #dc2626;
    --rc-info: #0369a1;
    --rc-ink: #14213d;
    --rc-text: #334155;
    --rc-muted: #64748b;
    --rc-border: #e2e8f0;
    --rc-border-strong: #cbd5e1;
    --rc-canvas: #f5f7fb;
    --rc-surface: #ffffff;
    --rc-sidebar: #111c32;
    --rc-sidebar-soft: #172541;
    --rc-radius-sm: 8px;
    --rc-radius: 12px;
    --rc-radius-lg: 18px;
    --rc-shadow-sm: 0 1px 3px rgb(15 23 42 / 6%);
    --rc-shadow: 0 12px 32px rgb(15 23 42 / 8%);
    --global-primary-color: var(--rc-primary);
    --global-primary-color2: var(--rc-primary-soft);
    color-scheme: light;
}

/* 全局焦点和动效遵循可访问性偏好。 / Global focus and motion follow accessibility preferences. */
:focus-visible {
    outline: 3px solid rgb(37 99 235 / 32%);
    outline-offset: 2px;
}

[hidden] {
    display: none !important;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}