/* Inter Font - Local Fallback */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: local('Inter Regular'), local('Inter-Regular'),
         local('Segoe UI'), local('system-ui'), local('sans-serif');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    font-display: swap;
    src: local('Inter Medium'), local('Inter-Medium'),
         local('Segoe UI Semibold'), local('system-ui'), local('sans-serif');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    font-display: swap;
    src: local('Inter SemiBold'), local('Inter-SemiBold'),
         local('Segoe UI Semibold'), local('system-ui'), local('sans-serif');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    font-display: swap;
    src: local('Inter Bold'), local('Inter-Bold'),
         local('Segoe UI Bold'), local('system-ui'), local('sans-serif');
}

@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 800;
    font-display: swap;
    src: local('Inter ExtraBold'), local('Inter-ExtraBold'),
         local('Segoe UI Black'), local('system-ui'), local('sans-serif');
}

/* 如果没有Inter字体，fallback到系统字体 */
body, html {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}