```css
@font-face {
    font-family: 'Orbitron';
    src: url('../fonts/Orbitron-Regular.ttf') format('truetype');
    font-weight: 400;
}
@font-face {
    font-family: 'Orbitron';
    src: url('../fonts/Orbitron-Bold.ttf') format('truetype');
    font-weight: 700;
}
@font-face {
    font-family: 'Noto Sans SC';
    src: url('../fonts/NotoSansSC-Regular.ttf') format('truetype');
    font-weight: 400;
}
@font-face {
    font-family: 'Noto Sans SC';
    src: url('../fonts/NotoSansSC-Bold.ttf') format('truetype');
    font-weight: 700;
}