@media (max-width: 768px) {
    :root {
        --sidebar-width: 0px;
    }

    /* 用户下拉菜单在移动端的调整 */
    .user-dropdown-menu {
        right: -10px;
        width: 180px;
    }

    .user-name {
        display: none;
    }

    .user-info-trigger {
        padding: 0.5rem;
    }

    .sidebar {
        width: 100vw;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar.collapsed {
        transform: translateX(-100%);
    }

    .sidebar.collapsed+.main-wrapper {
        margin-left: 0;
    }

    .main-wrapper {
        margin-left: 0;
    }

    .mobile-toggle {
        display: block;
    }

    .avatar-upload-container {
        flex-direction: column;
        align-items: center;
    }

    .avatar-preview {
        width: 80px;
        height: 80px;
    }

    .grid-2-1 {
        grid-template-columns: 1fr;
    }

    .stats-overview {
        grid-template-columns: 1fr;
    }

    .stat-item {
        border-right: none;
        border-bottom: 1px solid var(--cf-border-light);
        padding: 1rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .stat-item:last-child {
        border-bottom: none;
    }

    .stat-label {
        margin-bottom: 0;
    }

    .topbar {
        padding: 0 1rem;
    }

    .main-content {
        padding: 1rem;
    }

    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .device-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .device-actions {
        width: 100%;
        display: flex;
        justify-content: flex-end;
    }

    .app-footer {
        margin: unset;
    }

    .oauth-authorize-modal {
        padding: 15px;
    }

    .app-card-simple {
        padding: 20px;
    }

    .form-actions-simple {
        flex-direction: column;
    }
}