/* 响应式样式文件 */

/* 移动端响应式 */
@media (max-width: 768px) {
    body {
        padding: 16px 10px;
    }
    
    .container {
        padding: 0 6px;
    }
    
    .parent-categories-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .child-categories-nav {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .nav-links.double {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .parent-category-tab {
        padding: 10px 12px;
        min-height: 48px;
        font-size: 13px;
    }
    
    .child-category-tab {
        padding: 8px 10px;
        min-height: 42px;
        font-size: 12px;
    }
    
    .parent-categories-section,
    .child-categories-section {
        padding: 16px;
        margin-bottom: 16px;
    }
    
    .nav-link {
        padding: 6px 10px;
        min-height: 62px;
        gap: 8px;
        grid-template-columns: 42px 1fr;
    }
    
    .nav-link i {
        font-size: 32px;
        width: 42px;
        height: 42px;
    }
    
    .nav-link .app-icon {
        width: 42px;
        height: 42px;
    }
    
    .nav-link .app-icon img {
        width: 42px;
        height: 42px;
    }
    
    .nav-link div div {
        font-size: 14px;
    }
    
    .nav-link small {
        font-size: 10px;
    }

    .app-modal-footer {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        padding: 12px;
        gap: 6px;
    }
    
    .app-modal-btn {
        flex: 1;
        min-width: 110px;
        max-width: 130px;
        margin-bottom: 0;
        font-size: 12px;
        padding: 8px 12px;
    }
    
    .app-btn-confirm {
        order: 3;
    }
    
    .app-btn-backup {
        order: 2;
    }
    
    .app-btn-cancel {
        order: 1;
    }
    
    .marquee-container {
        padding: 8px 12px;
        margin-bottom: 12px;
    }
    
    .marquee-text {
        font-size: 12px;
    }
    
    .customer-service-float {
        right: 10px;
        bottom: 65px;
    }
    
    .service-icon {
        width: 48px;
        height: 48px;
    }
    
    .service-icon i {
        font-size: 22px;
    }
    
    .service-tooltip {
        display: none;
    }
    
    .service-modal-content {
        max-width: 90%;
    }
    
    .wechat-qr {
        display: none !important;
    }
    .wechat-btn {
        min-width: auto;
        width: 38px;
        height: 38px;
        border-radius: 50%;
        padding: 0;
        right: 10px;
        bottom: 10px;
    }
    .wechat-btn i {
        font-size: 20px;
        display: flex !important;
    }
    .wechat-btn span {
        display: none;
    }
    .header {
        flex-direction: column;
        text-align: center;
    }
    .datetime {
        text-align: center;
    }
    
    .chat-modal-content {
        width: 95%;
        height: 90vh;
    }
    
    .message-bubble {
        max-width: 90%;
    }
    
    .message-image img {
        max-width: 140px;
        max-height: 140px;
    }
}

/* 超小屏幕调整 */
@media (max-width: 480px) {
    body {
        padding: 14px 8px;
    }
    
    .container {
        padding: 0 4px;
    }
    
    .parent-categories-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .child-categories-nav {
        grid-template-columns: repeat(2, 1fr);
        gap: 6px;
    }
    
    .nav-links.double {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .parent-categories-section,
    .child-categories-section {
        padding: 12px;
        margin-bottom: 12px;
    }
    
    .parent-category-tab {
        padding: 8px 10px;
        min-height: 42px;
        font-size: 12px;
    }
    
    .child-category-tab {
        padding: 6px 8px;
        min-height: 38px;
        font-size: 11px;
    }
    
    .nav-link {
        padding: 5px 8px;
        min-height: 58px;
        gap: 6px;
        grid-template-columns: 38px 1fr;
    }
    
    .nav-link i {
        font-size: 30px;
        width: 38px;
        height: 38px;
    }
    
    .nav-link .app-icon {
        width: 38px;
        height: 38px;
    }
    
    .nav-link .app-icon img {
        width: 38px;
        height: 38px;
    }
    
    .nav-link div div {
        font-size: 13px;
    }
    
    .nav-link small {
        font-size: 9px;
    }
    
    .badge-container {
        top: 4px;
        right: 4px;
    }
    
    .badge-red, .badge-blue, .badge-green {
        padding: 1px 3px;
        font-size: 7px;
    }

    .app-modal-footer {
        padding: 10px;
        gap: 4px;
    }
    
    .app-modal-btn {
        min-width: 90px;
        max-width: 110px;
        font-size: 11px;
        padding: 6px 10px;
    }

    .marquee-container {
        padding: 6px 10px;
        margin-bottom: 10px;
    }
    
    .marquee-text {
        font-size: 11px;
    }

    .wechat-btn {
        width: 34px;
        height: 34px;
        right: 8px;
        bottom: 8px;
    }
    .wechat-btn i {
        font-size: 18px;
    }
    
    .customer-service-float {
        right: 8px;
        bottom: 55px;
    }
    
    .service-icon {
        width: 42px;
        height: 42px;
    }
    
    .service-icon i {
        font-size: 18px;
    }
}

/* 极小的屏幕调整为单列 */
@media (max-width: 320px) {
    body {
        padding: 12px 6px;
    }
    
    .container {
        padding: 0 2px;
    }
    
    .parent-categories-nav {
        grid-template-columns: 1fr;
    }
    
    .child-categories-nav {
        grid-template-columns: 1fr;
    }
    
    .nav-links.double {
        grid-template-columns: 1fr;
    }
    
    .app-modal-footer {
        flex-wrap: wrap;
    }
    
    .app-modal-btn {
        flex: 1 0 45%;
        min-width: auto;
        max-width: none;
        margin-bottom: 4px;
    }
    
    .app-btn-confirm {
        order: 1;
        flex: 1 0 100%;
    }
    
    .app-btn-backup,
    .app-btn-cancel {
        order: 2;
        flex: 1 0 45%;
    }
}