/* 使用Google Fonts CDN加载Roboto字体 */
@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@300;400;500;700&display=swap');

/* 注释掉本地字体声明，直到我们下载了实际字体文件
@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 400;
    src: url('roboto-regular.woff2') format('woff2'),
         url('roboto-regular.woff') format('woff');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 500;
    src: url('roboto-medium.woff2') format('woff2'),
         url('roboto-medium.woff') format('woff');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 700;
    src: url('roboto-bold.woff2') format('woff2'),
         url('roboto-bold.woff') format('woff');
}

@font-face {
    font-family: 'Roboto';
    font-style: normal;
    font-weight: 300;
    src: url('roboto-light.woff2') format('woff2'),
         url('roboto-light.woff') format('woff');
}
*/