/* ============================================
   Responsive CSS for 际华三五三九 Theme
   Breakpoint: 768px (mobile/tablet)
   ============================================ */

/* ============================================
   1. HAMBURGER MENU BUTTON
   ============================================ */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 10001;
    position: relative;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #333;
    margin: 6px 0;
    transition: all 0.3s ease;
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -6px);
}

/* ============================================
   2. MOBILE STYLES (max-width: 768px)
   ============================================ */
@media screen and (max-width: 768px) {

    /* --- Top Bar --- */
    .topbar {
        padding: 4px 15px !important;
        font-size: 11px !important;
        flex-direction: column;
        gap: 2px;
        text-align: center;
    }
    .topbar p {
        font-size: 11px !important;
    }

    /* --- Header --- */
    .p_header {
        padding: 0 15px !important;
        height: 60px !important;
        position: relative;
    }
    
    .p_logo img {
        width: 180px !important;
    }

    .mobile-menu-toggle {
        display: block;
        order: 3;
    }

    .header-icons {
        margin-left: auto !important;
        margin-right: 10px;
        gap: 12px !important;
    }

    .header-icons #lang-toggle #lang-text {
        display: none;
    }

    /* --- Navigation Overlay --- */
    .p_navBox {
        position: fixed !important;
        top: 0;
        left: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: #fff;
        z-index: 10000;
        overflow-y: auto;
        transition: left 0.35s ease;
        box-shadow: 2px 0 15px rgba(0,0,0,0.15);
        padding-top: 60px;
    }

    .p_navBox.mobile-open {
        left: 0;
    }

    .p_level1Box {
        display: flex !important;
        flex-direction: column !important;
        padding: 0 !important;
        margin: 0 !important;
    }

    .p_level1Box > li {
        display: block !important;
        margin: 0 !important;
        border-bottom: 1px solid #f0f0f0;
    }

    .p_level1Box > li > a {
        padding: 14px 20px !important;
        font-size: 15px !important;
    }
    
    .p_level1Box > li.current-menu-item > a::after,
    .p_level1Box > li.current_page_item > a::after,
    .p_level1Box > li.current-menu-ancestor > a::after {
        display: none !important;
    }

    /* Dropdown arrow */
    .p_level1Box > li.menu-item-has-children > a::before {
        right: 15px !important;
        border-top: 5px solid #999 !important;
        border-left: 5px solid transparent !important;
        border-right: 5px solid transparent !important;
    }

    /* Sub-menu: always visible in mobile as collapsible */
    .p_level1Box .sub-menu {
        position: static !important;
        transform: none !important;
        box-shadow: none !important;
        border: none !important;
        margin-top: 0 !important;
        background: #f8f9fa !important;
        animation: none !important;
        min-width: auto !important;
        padding: 0 !important;
    }

    .p_level1Box .sub-menu::before {
        display: none !important;
    }

    .p_level1Box > li:hover .sub-menu,
    .p_level1Box .sub-menu {
        display: none !important;
    }
    
    .p_level1Box > li.menu-item-has-children.mobile-sub-open .sub-menu {
        display: block !important;
    }

    .p_level1Box .sub-menu li a {
        padding: 12px 20px 12px 40px !important;
        text-align: left !important;
        font-size: 14px !important;
        color: #555 !important;
        border-bottom: 1px solid #eee;
    }

    .p_level1Box .sub-menu li a:hover {
        background: #eef2f8 !important;
    }

    /* Mobile menu overlay background */
    .mobile-menu-overlay {
        display: none;
        position: fixed;
        top: 0; left: 0; right: 0; bottom: 0;
        background: rgba(0,0,0,0.4);
        z-index: 9999;
    }

    .mobile-menu-overlay.active {
        display: block;
    }

    /* --- Search bar --- */
    .search-bar {
        padding: 0 15px !important;
    }
    .search-bar.active {
        padding: 12px 15px !important;
    }
    .search-form {
        gap: 8px;
    }
    .search-input {
        padding: 8px 12px !important;
        font-size: 14px !important;
    }
    .search-submit {
        padding: 8px 14px !important;
        font-size: 13px !important;
    }

    /* ============================================
       3. PAGE BANNERS
       ============================================ */
    .about-banner,
    .products-banner,
    .news-banner,
    .party-banner,
    .culture-banner,
    .contact-banner,
    .hr-banner {
        padding: 40px 15px !important;
    }

    .about-banner h1,
    .products-banner h1,
    .news-banner h1,
    .party-banner h1,
    .culture-banner h1,
    .contact-banner h1,
    .hr-banner h1 {
        font-size: 26px !important;
    }

    .about-banner p,
    .products-banner p,
    .news-banner p,
    .party-banner p,
    .culture-banner p,
    .contact-banner p,
    .hr-banner p {
        font-size: 13px !important;
        letter-spacing: 3px !important;
    }

    /* ============================================
       4. SIDEBAR + MAIN LAYOUT (all sub-pages)
       ============================================ */
    .about-container,
    .products-container,
    .news-container,
    .party-container,
    .culture-container,
    .contact-container,
    .hr-container {
        flex-direction: column !important;
        margin: 25px auto !important;
        padding: 0 15px !important;
        gap: 20px !important;
    }

    .about-sidebar,
    .products-sidebar,
    .news-sidebar,
    .party-sidebar,
    .culture-sidebar,
    .contact-sidebar,
    .hr-sidebar {
        width: 100% !important;
    }

    /* Collapse sidebar nav into horizontal scroll */
    .about-sidebar ul,
    .products-nav,
    .news-nav,
    .party-nav,
    .culture-nav,
    .contact-nav,
    .hr-nav {
        display: flex !important;
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
        gap: 0;
    }

    .about-sidebar ul li,
    .products-nav li,
    .news-nav li,
    .party-nav li,
    .culture-nav li,
    .contact-nav li,
    .hr-nav li {
        flex-shrink: 0 !important;
    }

    .about-sidebar ul li a,
    .products-nav li a,
    .news-nav li a,
    .party-nav li a,
    .culture-nav li a,
    .contact-nav li a,
    .hr-nav li a {
        white-space: nowrap !important;
        padding: 10px 16px !important;
        border-bottom: none !important;
        border-right: 1px solid #f0f0f0 !important;
    }

    /* Active state for horizontal nav */
    .products-nav li.active a,
    .news-nav li.active a,
    .party-nav li.active a,
    .culture-nav li.active a,
    .contact-nav li.active a,
    .hr-nav li.active a {
        padding-left: 16px !important;
    }

    .products-nav li.active a::before,
    .news-nav li.active a::before,
    .party-nav li.active a::before,
    .culture-nav li.active a::before,
    .contact-nav li.active a::before,
    .hr-nav li.active a::before {
        left: 0 !important;
        top: auto !important;
        bottom: 0 !important;
        width: 100% !important;
        height: 3px !important;
    }

    .about-main,
    .products-main,
    .news-main,
    .party-main,
    .culture-main,
    .contact-main,
    .hr-main {
        padding: 0 !important;
    }

    /* ============================================
       5. ABOUT PAGE TABS
       ============================================ */
    .about-tabs {
        flex-wrap: nowrap !important;
        overflow-x: auto !important;
        -webkit-overflow-scrolling: touch;
    }

    .about-tabs li a {
        white-space: nowrap !important;
        padding: 10px 14px !important;
        font-size: 14px !important;
    }

    /* ============================================
       6. PRODUCT GRID
       ============================================ */
    .products-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .product-card .img-wrap {
        height: 140px !important;
    }

    .product-card .product-name {
        font-size: 13px !important;
        padding: 8px 10px !important;
    }

    /* ============================================
       7. NEWS LIST
       ============================================ */
    .news-item {
        flex-direction: column !important;
        gap: 10px !important;
    }

    .news-date-box {
        width: auto !important;
        display: flex !important;
        gap: 8px;
        align-items: center;
        padding: 6px 12px !important;
    }

    .news-date-day {
        font-size: 16px !important;
    }

    .news-date-ym {
        margin-top: 0 !important;
    }

    /* ============================================
       8. CONTACT PAGE
       ============================================ */
    .contact-grid {
        grid-template-columns: 1fr !important;
    }

    /* ============================================
       9. CULTURE PAGE
       ============================================ */
    .staff-grid {
        grid-template-columns: 1fr !important;
    }

    /* ============================================
       10. SINGLE POST / PRODUCT
       ============================================ */
    .single-container,
    .product-detail-container {
        flex-direction: column !important;
        padding: 0 15px !important;
        gap: 20px !important;
    }

    .single-sidebar,
    .product-sidebar {
        width: 100% !important;
    }

    .single-main,
    .product-main {
        padding: 0 !important;
    }

    /* ============================================
       11. FOOTER
       ============================================ */
    .footer-inner {
        flex-direction: column !important;
        gap: 25px !important;
        padding: 0 15px !important;
    }

    .footer-col {
        min-width: auto !important;
    }

    .footer-qr {
        text-align: left !important;
    }

    .site-footer {
        padding: 35px 0 0 !important;
    }

    .footer-bottom {
        margin-top: 25px !important;
        padding: 15px 0 !important;
        font-size: 12px !important;
    }

    .footer-bottom div {
        padding: 0 15px !important;
    }

    /* ============================================
       12. HOMEPAGE SECTIONS
       ============================================ */
    /* About Us section on homepage */
    #c_static_001_P_7399-1679494280129 .e_container-1 {
        flex-direction: column !important;
    }

    #c_static_001_P_7399-1679494280129 .e_container-1 .cbox-1-0,
    #c_static_001_P_7399-1679494280129 .e_container-1 .cbox-1-1 {
        flex: 0 0 100% !important;
        max-width: 100% !important;
    }

    /* Category cards (党的建设/企业文化/人力资源) */
    #c_static_001_P_2574-17017813602830 .e_loop-28 .p_loopitem {
        flex: 0 0 100% !important;
        margin-bottom: 15px;
    }

    /* News section on homepage */
    #c_static_001_P_2574-1658025750333 .e_loop-28 .p_loopitem {
        flex: 0 0 100% !important;
        padding: 10px 0 !important;
    }

    #c_static_001_P_2574-1658025750333 .e_container-29 {
        flex-direction: column !important;
    }

    #c_static_001_P_2574-1658025750333 .e_container-29 .cbox-29-0 {
        flex: 0 0 100% !important;
        margin-right: 0 !important;
        margin-bottom: 12px !important;
    }

    /* Breadcrumb */
    .page-breadcrumb {
        font-size: 12px !important;
        padding: 0 15px !important;
    }

    /* ============================================
       13. SEARCH RESULTS
       ============================================ */
    .search-results-container {
        flex-direction: column !important;
        padding: 0 15px !important;
    }

    /* ============================================
       14. LIGHTBOX (About page image viewer)
       ============================================ */
    .lightbox-overlay img {
        max-width: 95vw !important;
        max-height: 80vh !important;
    }
}

/* ============================================
   TABLET ADJUSTMENTS (769px - 1024px)
   ============================================ */
@media screen and (min-width: 769px) and (max-width: 1024px) {
    .p_header {
        padding: 0 20px !important;
    }

    .p_logo img {
        width: 200px !important;
    }

    .p_level1Box > li > a {
        padding: 10px 10px !important;
        font-size: 13px !important;
    }

    .products-grid {
        grid-template-columns: repeat(3, 1fr) !important;
    }

    .contact-grid {
        grid-template-columns: 1fr 1fr !important;
    }
}