/**
 * Tool-Hub 公共样式 - App Shell 基础
 */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
    font-family: Georgia, 'Times New Roman', 'Songti SC', 'Noto Serif CJK SC', 'Noto Serif SC', SimSun, serif;
    line-height: 1.45;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: none; background: none; }
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible {
    outline: 2px solid var(--primary, #0f766e);
    outline-offset: 2px;
}
.safe-area-inset-bottom { padding-bottom: env(safe-area-inset-bottom); }
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}