/* 优化的系统字体方案 - 避免Google Fonts依赖 */
:root {
    --font-inter: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', Arial, sans-serif;
}

/* 如果系统中已安装Inter字体，优先使用 */
@font-face {
    font-family: 'Inter-Local';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter Regular'), local('Inter-Regular');
}

@font-face {
    font-family: 'Inter-Local';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Inter Medium'), local('Inter-Medium');
}

@font-face {
    font-family: 'Inter-Local';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter SemiBold'), local('Inter-SemiBold');
}

@font-face {
    font-family: 'Inter-Local';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter Bold'), local('Inter-Bold');
}

/* 字体渲染优化 */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}