/* Inter 字体 - 使用系统字体替代，提升加载速度 */
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 300;
    src: local('Inter Light'), local('Segoe UI Light'), local('SF Pro Display Light');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 400;
    src: local('Inter'), local('Segoe UI'), local('SF Pro Display');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 500;
    src: local('Inter Medium'), local('Segoe UI Semibold'), local('SF Pro Display Medium');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 600;
    src: local('Inter Semibold'), local('Segoe UI Semibold'), local('SF Pro Display Semibold');
}
@font-face {
    font-family: 'Inter';
    font-style: normal;
    font-weight: 700;
    src: local('Inter Bold'), local('Segoe UI Bold'), local('SF Pro Display Bold');
}