@font-face {
    font-family: 'Avenir';
    src: url('/asset/font/avenir/AvenirLTStd-Book.otf') format('opentype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Avenir';
    src: url('/asset/font/avenir/AvenirLTStd-Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Avenir';
    src: url('/asset/font/avenir/AvenirLTStd-Heavy.otf') format('opentype');
    font-weight: 700;
    font-style: normal;
}

/* 为了兼容性，添加系统默认字体作为备选 */
.font-avenir {
    font-family: Avenir, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}