/* Noto Sans SC - 优化加载策略 */
/* 优先使用系统字体，异步加载 Noto Sans SC */

/* 第一步：定义系统字体作为初始显示 */
@font-face {
    font-family: 'Noto Sans SC Fallback';
    src: local('PingFang SC'), local('Microsoft YaHei'), local('Source Han Sans SC'), local('WenQuanYi Micro Hei'), local('SimHei'), sans-serif;
}

/* 第二步：异步加载 Noto Sans SC，使用 swap 策略 */
@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Noto Sans SC'),
         local('NotoSansSC'),
         url('NotoSansCJK-wght-400-900.ttf.woff2') format('woff2');
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Noto Sans SC'),
         local('NotoSansSC'),
         url('NotoSansCJK-wght-400-900.ttf.woff2') format('woff2');
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Noto Sans SC'),
         local('NotoSansSC'),
         url('NotoSansCJK-wght-400-900.ttf.woff2') format('woff2');
}

@font-face {
    font-family: 'Noto Sans SC';
    font-style: normal;
    font-weight: 900;
    font-display: swap;
    src: local('Noto Sans SC'),
         local('NotoSansSC'),
         url('NotoSansCJK-wght-400-900.ttf.woff2') format('woff2');
}