/* 桌面背景样式 */
.desktop-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../bizhi/【哲风壁纸】二次元少女-动漫插画.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: -1;
}

/* 背景遮罩层（可选，用于提高文字可读性） */
.desktop-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    z-index: 1;
}

/* 背景动画效果（可选） */
.desktop-background {
    transition: all 0.3s ease-in-out;
}

/* 响应式背景调整 */
@media (max-width: 768px) {
    .desktop-background {
        background-position: center center;
        background-size: cover;
    }
}

@media (max-width: 480px) {
    .desktop-background {
        background-attachment: scroll;
    }
}