/* 桌面图标 */
.desktop-icons {
    position: fixed;
    top: 50px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    z-index: 1;
}

.desktop-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.2s;
}

.desktop-icon:hover {
    background: var(--hover-bg);
}

body.dark-mode .desktop-icon:hover {
    background: rgba(255, 255, 255, 0.2);
}

.desktop-icon img {
    width: 64px;
    height: 64px;
    margin-bottom: 4px;
}

.desktop-icon span {
    font-size: 12px;
    color: white;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
    text-align: center;
}