/* ========== LISUN Navigation Mega Menu CSS ========== */
:root {
    --lisun-primary: #0088cc;
    --lisun-primary-hover: #0077b3;
    --lisun-foreground: #111111;
    --lisun-muted: #666666;
    --lisun-accent: #FBFBFB;
    --lisun-border: #D2D3D8;
    --lisun-background: #FFFFFF;
    --lisun-card: #FFFFFF;
    --lisun-radius: 8px;
    --lisun-header-height: 130px;
    --lisun-menu-gap: 20px;
    --lisun-mega-max-height: min(640px, calc(100vh - var(--lisun-header-height) - var(--lisun-menu-gap)));
    --lisun-nav-font-size: var(--size-md);
    --lisun-mega-title-size: var(--size-sm);
    --lisun-mega-section-title-size: var(--size-md);
    --lisun-mega-item-size: var(--size-sm);
    --lisun-mega-meta-size: var(--size-xs);
}

/* ---- Top Bar (legacy shell) ---- */
.out_wrap.top_info {
    background: #0088cc;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 7;
}
.out_wrap.top_info .content_wrap {
    height: 40px;
}
.out_wrap.top_info .content_wrap .email {
    display: block;
    float: left;
    margin-right: 10px;
    line-height: 40px;
    color: #fff;
    text-decoration: none;
}
.out_wrap.top_info .content_wrap .email:before {
    margin-right: 5px;
}
.out_wrap.top_info .content_wrap .email:hover {
    color: #ebd9d9;
}
.out_wrap.top_info .content_wrap .email:after {
    content: "|";
    color: #fff;
    margin-left: 10px;
}
.out_wrap.top_info .content_wrap .tel {
    display: block;
    float: left;
    color: #fff;
    line-height: 40px;
    position: relative;
    text-decoration: none;
}
.out_wrap.top_info .content_wrap .tel span {
    display: none;
    position: absolute;
    top: 41px;
    left: 20px;
    transition: 2s;
    -moz-transition: 1s;
    -webkit-transition: 1s;
    -o-transition: 1s;
}
.out_wrap.top_info .content_wrap .tel:hover span {
    display: block;
}
.out_wrap.top_info .content_wrap .tel:before {
    margin-right: 5px;
}
.out_wrap.top_info .content_wrap .tel:hover {
    color: #ebd9d9;
}
.out_wrap.top_info .content_wrap .search {
    float: right;
    margin-top: 5px;
    margin-right: 10px;
    border: 1px solid #c8d8e8;
    border-radius: 20px;
    display: inline-flex;
    background: #fff;
    overflow: hidden;
    position: relative;
    left: 21px;
    top: -1px;
}
.out_wrap.top_info .content_wrap .search input.htc {
    float: left;
    height: 28px;
    line-height: 28px;
    width: 180px;
    padding: 0 40px 0 15px;
    border-radius: 30px;
    color: #b7b7b7;
    border: none !important;
    outline: none;
    background: #fff;
}
.out_wrap.top_info .content_wrap .search .search-btn {
    position: absolute;
    right: 0;
    top: 0;
    height: 30px;
    width: 38px;
    border-radius: 0 30px 30px 0;
    background-color: #fff;
    cursor: pointer;
    line-height: 1;
    color: #b7b7b7;
    border: none;
}
.out_wrap.top_info .content_wrap .language {
    float: right;
    padding-left: 20px;
}
.out_wrap.top_info .content_wrap .language .cur_language {
    padding: 0 15px 0 25px;
    line-height: 40px;
    height: 40px;
    float: left;
    display: block;
    color: #fff;
    text-decoration: none;
    cursor: pointer;
}
.cur_language:before,
.cur_language::before {
    content: none !important;
    display: none !important;
}

.out_wrap.top_info .content_wrap .language 
.out_wrap.top_info .content_wrap .language .cur_language:after {
    content: "\f0d7";
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    margin: auto;
    font-family: "FontAwesome";
}
.cur_language img {
    vertical-align: middle;
    margin-right: 6px;
    position: relative;
    left: -3px;
    top: -1px;
}
.out_wrap.top_info .content_wrap .language .list_language::-webkit-scrollbar {
    width: 0 !important;
}
.out_wrap.top_info .content_wrap .language .list_language {
    z-index: 999;
    display: none;
    position: absolute;
    background: #00a2e4;
    padding: 0 6px;
    left: 12px;
    top: 80%;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 4px;
    -webkit-box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.175);
    overflow-y: scroll;
    overflow-x: hidden;
    overflow: -moz-scrollbars-none;
    -ms-overflow-style: none;
}
.out_wrap.top_info .content_wrap .language .list_language a {
    overflow: hidden;
    display: block;
    padding-left: 25px;
    border-bottom: 2px solid transparent;
    color: #fff;
    height: 30px;
    line-height: 30px;
    background-color: transparent;
    text-decoration: none;
}
.out_wrap.top_info .content_wrap .language .list_language a img {
    position: absolute;
    left: 0;
    top: 7px;
    width: 16px !important;
    height: 16px !important;
}
.out_wrap.top_info .content_wrap .language .list_language a:hover {
    color: #ebd9d9;
}

/* ---- White Nav (legacy shell) ---- */
.out_wrap.nav_info {
    z-index: 4;
    position: fixed;
    top: 40px;
    left: 0;
    width: 100%;
    background: #fff;
    isolation: isolate;
}
.out_wrap.nav_info .content_wrap {
    height: 90px;
}
.out_wrap.nav_info .content_wrap .m_nav,
.out_wrap.nav_info .content_wrap .m_search {
    display: none;
}
.out_wrap.nav_info .content_wrap .logo {
    min-width: 200px;
    float: left;
    height: 100%;
    width: 16%;
    text-decoration: none;
}
.out_wrap.nav_info .content_wrap .logo img {
    width: 100%;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    margin: auto;
}
.out_wrap.nav_info .content_wrap .clearfix {
    height: 0 !important;
    min-height: 0 !important;
    margin: 0 !important;
    padding: 0 !important;
    line-height: 0 !important;
}

/* ---- New nav menu inside legacy shell ---- */
.lisun-nav-menu.navigation.dropdown {
    float: right;
    height: 100%;
    display: block;
    min-height: 0 !important;
}
.lisun-nav-item {
    float: left;
    position: relative;
}
.lisun-nav-link {
    height: 90px;
    line-height: 90px;
    float: left;
    padding-left: 20px;
    font-weight: 600;
    letter-spacing: 0.2px;
    width: 100%;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: var(--lisun-nav-font-size);
    color: #333;
    text-decoration: none;
    border-radius: 0;
    background: transparent;
    cursor: pointer;
    box-sizing: border-box;
}
.lisun-nav-item:first-child .lisun-nav-link {
    padding-left: 0;
}
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item .lisun-nav-link:hover,
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item.active .lisun-nav-link,
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item:focus-within .lisun-nav-link {
    color: #0088cc !important;
    background: transparent;
}
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item .lisun-nav-link:hover span,
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item.active .lisun-nav-link span,
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item:focus-within .lisun-nav-link span {
    color: #0088cc !important;
}
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item .lisun-nav-link:focus-visible {
    outline: 2px solid #0088cc !important;
    outline-offset: 2px;
}
.lisun-nav-link .arrow {
    width: 12px;
    height: 12px;
    color: #a5a5a5;
    transition: transform 0.15s;
}
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item:hover .lisun-nav-link .arrow,
html body .out_wrap.nav_info .lisun-nav-menu.navigation.dropdown .lisun-nav-item.active .lisun-nav-link .arrow {
    color: #0088cc !important;
}
.lisun-nav-item.active .lisun-nav-link .arrow {
    transform: rotate(180deg);
}

/* ---- Mega Menu Overlay ---- */
.lisun-mega-overlay {
    position: fixed;
    top: var(--lisun-header-height);
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(17, 17, 17, 0.15);
    z-index: 90;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0s linear 0.2s;
}
.lisun-mega-overlay.active {
    opacity: 1;
    visibility: visible;
    transition: opacity 0.2s ease, visibility 0s linear 0s;
}

/* ---- Mega Menu Container ---- */
.lisun-mega-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    padding-top: 12px;
    z-index: 100;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, visibility 0s linear 0.2s, transform 0.2s ease;
    display: flex;
    justify-content: center;
    overflow: hidden;
    box-sizing: border-box;
    padding-left: 8px;
    padding-right: 8px;
    pointer-events: none;
    --mega-company-left: 0px;
}
.lisun-mega-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 12px;
    pointer-events: auto;
    z-index: -1;
}
.lisun-mega-menu.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    transition: opacity 0.2s ease, visibility 0s linear 0s, transform 0.2s ease;
}
.lisun-mega-menu.active .lisun-mega-content {
    pointer-events: auto;
}
.lisun-mega-content {
    background: var(--lisun-card);
    border-radius: var(--lisun-radius);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
    overflow: hidden auto;
    width: min(72vw, calc(100vw - 32px));
    max-width: 1400px;
    max-height: var(--lisun-mega-max-height);
    transition: width 0.3s ease, max-width 0.3s ease, margin-left 0.3s ease;
    position: relative;
}
.lisun-mega-menu[data-active-menu="products"] .lisun-mega-content {
    display: flex;
    flex-direction: column;
}
.lisun-mega-menu[data-active-menu="solutions"] .lisun-mega-content {
    width: min(50vw, calc(100vw - 32px));
    max-width: 880px;
}
.lisun-mega-menu[data-active-menu="standards"] .lisun-mega-content {
    width: min(55vw, calc(100vw - 32px));
    max-width: 920px;
}
.lisun-mega-menu[data-active-menu="company"] .lisun-mega-content {
    width: min(180px, calc(100vw - 32px));
    max-width: 180px;
    margin-left: var(--mega-company-left);
}
.lisun-mega-menu[data-active-menu="company"] {
    justify-content: flex-start;
}
.lisun-mega-panel {
    display: none;
    opacity: 0;
    transition: opacity 0.15s ease;
}
.lisun-mega-panel.is-entering,
.lisun-mega-panel.is-leaving,
.lisun-mega-panel.active {
    display: block;
}
.lisun-mega-panel.active {
    opacity: 1;
}
.lisun-mega-panel.is-leaving {
    position: absolute;
    inset: 0;
    width: 100%;
    pointer-events: none;
}

/* ---- Products Mega Menu ---- */
.lisun-products-mega {
    grid-template-columns: 320px 1fr;
    margin: 0;
    padding: 16px;
    gap: 12px;
    overflow: hidden;
    align-items: stretch;
    width: 100%;
    box-sizing: border-box;
}
.lisun-mega-panel.lisun-products-mega {
    display: none;
}
.lisun-mega-panel.lisun-products-mega.is-entering,
.lisun-mega-panel.lisun-products-mega.is-leaving,
.lisun-mega-panel.lisun-products-mega.active {
    display: grid;
    align-items: stretch;
    flex: 1;
}
.lisun-accordion {
    background: var(--lisun-background);
    border-radius: var(--lisun-radius);
    overflow: hidden;
    height: auto;
}
.lisun-accordion-item {
    border-bottom: 1px solid var(--lisun-border);
}
.lisun-accordion-item:last-child {
    border-bottom: none;
}
.lisun-accordion-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 12px;
    font-size: var(--lisun-mega-section-title-size);
    font-weight: 600;
    color: var(--lisun-foreground);
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    transition: background 0.15s;
}
.lisun-accordion-trigger:hover {
    background: var(--lisun-accent);
}
.lisun-accordion-trigger.active {
    background: var(--lisun-accent);
}
.lisun-accordion-trigger:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: -2px;
}
.lisun-accordion-trigger .icon {
    width: 28px;
    height: auto;
    max-width: 28px;
    max-height: 28px;
    display: block;
    flex-shrink: 0;
}
.lisun-accordion-trigger .icon path {
    fill: currentColor;
    stroke: none;
}
.lisun-accordion-trigger .chevron {
    width: 16px;
    height: 16px;
    margin-left: auto;
    transition: transform 0.2s;
}
.lisun-accordion-trigger.active .chevron {
    transform: rotate(180deg);
}
.lisun-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}
.lisun-accordion-content.active {
    max-height: none;
}
.lisun-accordion-inner {
    padding: 0 12px 12px;
}
.lisun-category-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: var(--lisun-mega-item-size);
    color: #666666;
    text-decoration: none;
    border-radius: 6px;
    transition: background 0.15s, color 0.15s, font-weight 0.1s;
    cursor: pointer;
}
.lisun-category-link:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: -2px;
}
html body .lisun-accordion-inner a.lisun-category-link:hover,
html body .lisun-accordion-inner a.lisun-category-link.active {
    background: rgba(0, 136, 204, 0.08);
    color: #0088cc !important;
    font-weight: 400;
}
.lisun-product-grid {
    background: var(--lisun-card);
    border: 1px solid var(--lisun-border);
    border-radius: var(--lisun-radius);
    padding: 16px;
    height: 100%;
    width: 100%;
    box-sizing: border-box;
}
.lisun-product-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.lisun-product-title {
    font-size: var(--lisun-mega-title-size);
    font-weight: 600;
    color: var(--lisun-foreground);
    margin: 0;
}
.lisun-product-viewmore {
    font-size: var(--lisun-mega-item-size);
    font-weight: 500;
    color: var(--lisun-primary);
    text-decoration: none;
    transition: color 0.15s;
}
.lisun-products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    flex: 1;
    align-content: start;
}
.lisun-product-card {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--lisun-accent);
    border-radius: 8px;
    text-decoration: none;
    transition: box-shadow 0.2s, background 0.2s;
    width: 100%;
    box-sizing: border-box;
}
.lisun-product-card:hover {
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    background: #e5e5e5;
}
.lisun-product-card:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: 2px;
}
.lisun-product-img {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    background: var(--lisun-background);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.lisun-product-img .placeholder {
    font-size: 24px;
    color: var(--lisun-muted);
}
.lisun-product-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.lisun-product-name {
    font-size: var(--lisun-mega-item-size);
    font-weight: 400;
    color: var(--lisun-foreground);
    line-height: 1.4;
    margin: 0;
}
.lisun-product-model {
    font-size: var(--lisun-mega-meta-size);
    color: var(--lisun-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

/* ---- Solutions ---- */
.lisun-solutions-mega-new {
    max-width: 880px;
    margin: 0 auto;
    padding: 24px 28px;
    background: var(--lisun-card);
}
.lisun-solutions-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eee;
}
.lisun-solutions-title {
    font-size: var(--lisun-mega-title-size);
    font-weight: 600;
    color: #222;
    margin: 0;
}
.lisun-solutions-viewmore {
    font-size: var(--lisun-mega-item-size);
    font-weight: 500;
    color: var(--lisun-primary);
    text-decoration: none;
}
.lisun-solutions-viewmore:hover {
    text-decoration: underline;
}
.lisun-solutions-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 32px;
}
.lisun-solution-item {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: all 0.2s ease;
    text-decoration: none;
    color: #333;
    background-color: transparent;
}
.lisun-solution-item:hover {
    background-color: #f5f5f5;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
}
.lisun-solution-item:hover .lisun-solution-icon {
    transform: scale(1.05);
}
.lisun-solution-item:hover .lisun-solution-name {
    color: #0088cc !important;
}
.lisun-solution-item:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: 2px;
}
.lisun-solution-icon {
    width: 44px;
    height: 44px;
    object-fit: contain;
    border-radius: 6px;
    flex-shrink: 0;
    transition: transform 0.2s ease;
}
.lisun-solution-name {
    flex: 1;
    font-size: var(--lisun-mega-item-size);
    font-weight: 500;
    transition: color 0.2s ease;
}

/* ---- Standards ---- */
.lisun-standards-mega {
    max-width: 920px;
    margin: 0 auto;
    padding: 16px 20px;
    overflow-y: auto;
    max-height: var(--lisun-mega-max-height);
}
.lisun-standards-search {
    margin-bottom: 16px;
}
.lisun-standards-search-box {
    position: relative;
    margin-bottom: 10px;
}
.lisun-standards-search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: #777;
    z-index: 2;
}
.lisun-standards-search-input {
    width: 100%;
    height: 40px;
    padding: 0 14px 0 40px;
    font-size: var(--size-sm);
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    background: #fff;
}
.lisun-standards-search-input:focus {
    border-color: #1C6EBE;
    outline: none;
}
.lisun-standards-featured-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.lisun-standards-featured-tag {
    padding: 4px 10px;
    font-size: var(--lisun-mega-meta-size);
    background: #f5f5f5;
    border-radius: 20px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s;
}
.lisun-standards-featured-tag:hover {
    background: #1C6EBE;
    color: white;
}
.lisun-standards-featured-tag:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: 2px;
}
.lisun-standards-content {
    display: flex;
    gap: 24px;
    min-height: 360px;
}
.lisun-standards-orgs {
    width: 260px;
    flex-shrink: 0;
    overflow-y: visible !important;
    overflow-x: visible;
    max-height: none;
}
.lisun-standards-region {
    margin-bottom: 16px;
}
.lisun-standards-region-title {
    font-size: var(--lisun-mega-meta-size);
    font-weight: 600;
    color: #888;
    margin: 0 0 8px 0;
    letter-spacing: 0.5px;
}
.lisun-standards-org-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.lisun-standards-org-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    text-decoration: none;
    cursor: pointer;
    transition: background 0.2s;
}
html body .lisun-standards-mega .lisun-standards-orgs .lisun-standards-org-item:hover,
html body .lisun-standards-mega .lisun-standards-orgs .lisun-standards-org-item.active {
    background: rgba(28, 110, 190, 0.1);
}
html body .lisun-standards-mega .lisun-standards-orgs .lisun-standards-org-item:hover .lisun-standards-org-name,
html body .lisun-standards-mega .lisun-standards-orgs .lisun-standards-org-item.active .lisun-standards-org-name {
    color: #0088cc !important;
}
.lisun-standards-org-item:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: -2px;
}
.lisun-standards-org-icon {
    width: 28px;
    height: 28px;
    object-fit: contain;
    border-radius: 4px;
    flex-shrink: 0;
}
.lisun-standards-org-name {
    font-size: var(--lisun-mega-item-size);
    font-weight: 500;
    color: #333;
    line-height: 1.3;
}
.lisun-standards-details {
    flex: 1;
    background: #fafafa;
    border-radius: 10px;
    border: 1px solid #eee;
    overflow: hidden;
    position: relative;
    min-height: 340px;
}
.lisun-standards-detail-panel {
    padding: 14px;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: visible;
}
.lisun-standards-detail-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
    flex: 1;
    align-content: start;
}
.lisun-standards-detail-item {
    display: block;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: var(--size-sm);
    color: #444;
    text-decoration: none;
    transition: all 0.2s;
    border-left: 2px solid transparent;
}
.lisun-standards-detail-item:hover {
    background: #e8f0fe;
    color: #1C6EBE;
    border-left-color: #1C6EBE;
}
.lisun-standards-detail-item:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: -2px;
}
.lisun-standards-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: #fafafa;
    z-index: 1;
}
.lisun-standards-placeholder-icon {
    width: 48px;
    height: 48px;
    color: #ccc;
    margin-bottom: 12px;
}
.lisun-standards-placeholder-text {
    font-size: var(--size-sm);
    color: #999;
}
.lisun-standards-search-results {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: #fafafa;
    border-radius: 10px;
    z-index: 5;
    padding: 14px;
    overflow: visible;
}
.lisun-standards-search-results.active {
    display: block;
}
.lisun-standards-search-results .lisun-standards-result-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.lisun-standards-search-results .lisun-standards-result-item {
    display: block;
    padding: 8px 10px;
    font-size: var(--size-sm);
    color: #444;
    text-decoration: none;
    border-radius: 6px;
    border-left: 2px solid transparent;
    transition: all 0.2s;
}
.lisun-standards-search-results .lisun-standards-result-item:hover {
    background: #e8f0fe;
    color: #1C6EBE;
    border-left-color: #1C6EBE;
}
.lisun-standards-search-results .lisun-standards-no-results {
    padding: 40px 0;
    text-align: center;
    color: #999;
    font-size: var(--size-sm);
}

/* ---- Company ---- */
.lisun-company-mega {
    max-width: 180px;
    padding: 8px;
}
.lisun-company-links {
    display: flex;
    flex-direction: column;
    gap: 4px;
}
.lisun-company-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    font-size: var(--lisun-mega-item-size);
    text-decoration: none;
    border-radius: 8px;
}
html body .lisun-company-mega .lisun-company-links .lisun-company-link:hover {
    background: var(--lisun-accent);
}
html body .lisun-company-mega .lisun-company-links .lisun-company-link:hover span {
    color: #0088cc !important;
}
.lisun-company-link:focus-visible {
    outline: 2px solid var(--lisun-primary);
    outline-offset: -2px;
}

/* ---- Screen-reader ---- */
.lisun-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ---- Reduced Motion ---- */
@media (prefers-reduced-motion: reduce) {
    .lisun-mega-menu,
    .lisun-mega-content,
    .lisun-mega-panel,
    .lisun-accordion-content,
    .lisun-nav-link,
    .lisun-product-card,
    .lisun-solution-item,
    .lisun-mega-overlay {
        transition: none !important;
    }
}

/* ---- Mobile Panel ---- */
.lisun-mobile-panel {
    display: block;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: #fff;
    z-index: 9998;
    overflow-y: auto;
    max-height: 0;
    transition: max-height 0.35s ease;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    border-bottom: none;
}
.lisun-mobile-panel.active {
    max-height: calc(100vh - var(--lisun-header-height));
    border-top: 1px solid #000;
}
.lisun-mobile-overlay {
    display: none;
}
.lisun-mobile-overlay.active {
    display: none;
}
.lisun-mobile-panel-inner {
    max-width: 100%;
    margin: 0;
    padding: 0;
}
.lisun-mobile-menu-list {
    display: flex;
    flex-direction: column;
}
.lisun-mobile-search-expand {
    display: none;
    position: absolute;
    top: 100%;
    right: 10px;
    width: 220px;
    background: transparent;
    padding: 6px 0;
    z-index: 99;
    box-sizing: border-box;
}
.lisun-mobile-search-expand.active {
    display: block;
}
.lisun-mobile-search-expand-inner {
    display: flex;
    align-items: center;
    gap: 4px;
    border: 1px solid #c8d8e8;
    border-radius: 20px;
    background: #fff;
    padding: 2px 4px 2px 12px;
    overflow: hidden;
}
.lisun-mobile-search-expand-input {
    flex: 1;
    height: 28px;
    padding: 0;
    font-size: var(--size-sm);
    border: none;
    background: transparent;
    color: #333;
    outline: none;
    box-sizing: border-box;
}
.lisun-mobile-search-expand-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: #999;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 0;
}
.lisun-mobile-menu-list {
    display: flex;
    flex-direction: column;
}
/* --- Mobile sections with split link+button (new) --- */
.lisun-mobile-section {
    border-bottom: 1px dashed #ddd;
}
.lisun-mobile-section:last-child {
    border-bottom: none;
}
.lisun-mobile-section-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}
.lisun-mobile-section-link {
    flex: 1;
    display: flex;
    align-items: center;
    padding: 14px 20px;
    font-size: var(--size-md);
    font-weight: 600;
    color: #333;
    text-decoration: none;
    -webkit-tap-highlight-color: transparent;
}
.lisun-mobile-section-link:active {
    opacity: 0.7;
}
.lisun-mobile-section-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    cursor: pointer;
    color: #999;
    flex-shrink: 0;
    -webkit-tap-highlight-color: transparent;
}
.lisun-mobile-section-btn:active {
    opacity: 0.6;
}
.lisun-mobile-plus {
    width: 16px;
    height: 16px;
    transition: transform 0.2s ease;
}
.lisun-mobile-section-btn[aria-expanded="true"] .lisun-mobile-plus,
.lisun-mobile-subsection-trigger[aria-expanded="true"] .lisun-mobile-plus {
    transform: rotate(90deg);
}
.lisun-mobile-section-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background: #fff;
}
.lisun-mobile-section-content.active {
    max-height: 2000px;
}
.lisun-mobile-subsection {
    border-bottom: 1px dashed #ddd;
    margin-left: 20px;
}
.lisun-mobile-subsection:last-child {
    border-bottom: none;
}
.lisun-mobile-subsection-trigger {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 12px 20px 12px 28px;
    font-size: var(--size-sm);
    font-weight: 600;
    color: #444;
    background: transparent;
    border: none;
    cursor: pointer;
    text-align: left;
    -webkit-tap-highlight-color: transparent;
    font-family: inherit;
}
.lisun-mobile-subsection-trigger:active {
    opacity: 0.7;
}
.lisun-mobile-subsection-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease-out;
    background: #fff;
}
.lisun-mobile-subsection-content.active {
    max-height: 1000px;
}
.lisun-mobile-link {
    display: block;
    padding: 10px 20px 10px 40px;
    font-size: var(--size-sm);
    font-weight: 600;
    color: #555;
    text-decoration: none;
    border-bottom: 1px dashed #eee;
    -webkit-tap-highlight-color: transparent;
}
.lisun-mobile-link:last-child {
    border-bottom: none;
}
html body .lisun-mobile-panel .lisun-mobile-menu-list .lisun-mobile-section-content .lisun-mobile-link:hover {
    color: #0088cc !important;
}

/* ---- Nav Bottom ---- */
.out_wrap.nav_bottom {
    padding-top: 130px;
}

/* ---- Responsive (legacy breakpoints) ---- */
@media screen and (max-width: 1140px) {
    .out_wrap.nav_info .content_wrap {
        height: auto;
    }
    .out_wrap.nav_info .content_wrap .logo {
        width: 100%;
        margin: 50px 0 15px;
    }
    .out_wrap.nav_info .content_wrap .logo img {
        width: auto;
        height: 46px;
    }
    .lisun-nav-menu.navigation.dropdown {
        width: 100%;
        height: 90px;
        text-align: center;
    }
    .lisun-nav-item {
        display: inline-block;
        float: none;
        text-align: left;
    }
    .out_wrap.nav_bottom {
        padding-top: 195px;
    }
}
@media screen and (max-width: 965px) {
    .out_wrap.nav_info .content_wrap .logo {
        width: 100%;
        height: 90px;
        margin: 0;
    }
    .out_wrap.nav_info .content_wrap .m_nav {
        display: block;
        position: absolute;
        z-index: 10;
        width: 100px;
        text-align: left;
        left: 10px;
        font-size: 30px;
        height: 90px;
        line-height: 90px;
        color: #333;
        text-decoration: none;
        cursor: pointer;
    }
    .out_wrap.nav_info .content_wrap .m_nav:before {
        content: "\f0c9";
        font-family: "FontAwesome";
    }
    .lisun-nav-menu.navigation.dropdown {
        display: none !important;
    }
    .out_wrap.nav_bottom {
        padding-top: 130px;
    }
}
@media screen and (max-width: 700px) {
    .out_wrap.top_info .content_wrap .search {
        position: absolute;
        right: 0;
        top: 126px;
        display: none !important;
    }
    .out_wrap.nav_info .content_wrap .m_search {
        display: block;
        position: absolute;
        z-index: 10;
        width: 48px;
        text-align: center;
        right: 10px;
        font-size: 24px;
        height: 90px;
        line-height: 90px;
        color: #333;
        text-decoration: none;
        cursor: pointer;
    }
    .out_wrap.nav_info .content_wrap .m_search:before {
        content: "\f002";
        font-family: "FontAwesome";
    }
}
@media screen and (max-width: 500px) {
    .out_wrap.top_info .content_wrap .email:after {
        display: none;
    }
    .out_wrap.top_info .content_wrap .tel {
        display: none;
    }
}

/* ---- Desktop: hide mobile elements ---- */
@media screen and (min-width: 966px) {
    .lisun-mobile-panel,
    .lisun-mobile-overlay,
    .lisun-mobile-search-expand {
        display: none !important;
    }
    .lisun-mobile-panel.active,
    .lisun-mobile-overlay.active,
    .lisun-mobile-search-expand.active {
        display: none !important;
    }
}

/* ---- Mega Menu Container Sizing ---- */
.lisun-mega-menu {
    left: 0;
    right: 0;
    overflow: hidden;
    padding-left: 16px;
    padding-right: 16px;
    box-sizing: border-box;
}

/* ---- Compact Layout ---- */
@media (max-height: 980px), (max-width: 1400px) {
    .lisun-products-mega { gap: 8px; padding: 12px; }
    .lisun-product-grid { padding: 12px; }
    .lisun-product-card { padding: 8px; gap: 8px; }
    .lisun-product-img { width: 56px; height: 56px; }
    .lisun-product-name { font-size: var(--lisun-mega-item-size); }
    .lisun-product-model { font-size: var(--lisun-mega-meta-size); }
    .lisun-accordion-trigger { padding: 10px; font-size: var(--lisun-mega-section-title-size); }
    .lisun-category-link { padding: 6px 12px; font-size: var(--lisun-mega-item-size); }
    .lisun-solutions-mega-new { padding: 18px 22px; }
    .lisun-solution-icon { width: 40px; height: 40px; }
    .lisun-solution-name { font-size: var(--lisun-mega-item-size); }
    .lisun-solutions-list { gap: 0 24px; }
    .lisun-standards-mega { padding: 12px 16px; }
    .lisun-standards-org-icon { width: 24px; height: 24px; }
    .lisun-standards-org-name { font-size: var(--lisun-mega-item-size); }
    .lisun-standards-detail-item { font-size: var(--lisun-mega-meta-size); padding: 4px 8px; }
    .lisun-standards-content { min-height: 300px; }
    .lisun-company-link { padding: 6px 12px; font-size: var(--lisun-mega-item-size); }
}
@media (max-width: 1200px) {
    .lisun-products-mega { grid-template-columns: 340px 1fr; }
    .lisun-mega-menu[data-active-menu="products"] .lisun-mega-content { width: min(85vw, calc(100vw - 32px)); }
    .lisun-mega-menu[data-active-menu="solutions"] .lisun-mega-content { width: min(55vw, calc(100vw - 32px)); max-width: 920px; }
    .lisun-mega-menu[data-active-menu="standards"] .lisun-mega-content { width: min(60vw, calc(100vw - 32px)); max-width: 960px; }
}
/* 混合宽屏设备（平板横屏 966-1199px）：solutions/standards 面板拓宽，充分利用屏幕空间 */
@media (min-width: 966px) and (max-width: 1199px) {
    .lisun-mega-menu[data-active-menu="solutions"] .lisun-mega-content { width: min(72vw, calc(100vw - 32px)); max-width: 1000px; }
    .lisun-mega-menu[data-active-menu="standards"] .lisun-mega-content { width: min(78vw, calc(100vw - 32px)); max-width: 1060px; }
}
@media (max-height: 800px), (max-width: 1280px) {
    .lisun-products-mega { grid-template-columns: 300px 1fr; }
    .lisun-product-img { width: 48px; height: 48px; }
    .lisun-product-card { padding: 6px; }
    .lisun-solution-item { padding: 6px 8px; }
    .lisun-solution-icon { width: 34px; height: 34px; }
    .lisun-accordion-trigger { padding: 8px; }
    .lisun-category-link { padding: 5px 10px; }
    .lisun-standards-org-item { padding: 6px 8px; }
}
@media (max-height: 700px) {
    .lisun-products-mega { grid-template-columns: 260px 1fr; padding: 8px; gap: 6px; }
    .lisun-product-img { width: 44px; height: 44px; }
    .lisun-product-name { font-size: var(--lisun-mega-item-size); }
    .lisun-solutions-mega-new { padding: 14px 18px; }
    .lisun-solution-icon { width: 30px; height: 30px; }
    .lisun-solution-name { font-size: var(--lisun-mega-item-size); }
    .lisun-standards-mega { padding: 8px 12px; }
    .lisun-standards-org-icon { width: 22px; height: 22px; }
    .lisun-standards-org-name { font-size: var(--lisun-mega-meta-size); }
}

/* ---- Breadcrumb (legacy) ---- */
.breadcrumb_info {
    background: #f5f5f5;
    border-top: 1px solid #eaeaea;
    border-bottom: 1px solid #eaeaea;
    font-size: var(--size-sm);
    padding: 26px 0 18px 0;
}
.breadcrumb_info .content_wrap a {
    letter-spacing: 0.5px;
    padding-right: 12px;
    float: left;
}
html body .breadcrumb_info .content_wrap a:hover {
    color: #0088cc !important;
}
.breadcrumb_info .content_wrap a:after {
    content: "\f105";
    margin-left: 12px;
}
.breadcrumb_info .content_wrap span,
.breadcrumb_info .content_wrap h1 {
    float: left;
    font-size: var(--size-sm);
    color: #0088cc;
}

/* ---- FIX: Standards layout optimization ---- */
.lisun-accordion-trigger { white-space: nowrap; overflow: hidden; }
.lisun-accordion-trigger span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.lisun-accordion-trigger .icon { flex-shrink: 0; }
.lisun-accordion-trigger .chevron { flex-shrink: 0; }
.lisun-category-link { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-category-link span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-product-card { min-width: 0; }
.lisun-product-img { flex-shrink: 0; }
.lisun-product-info { min-width: 0; overflow: hidden; }
.lisun-product-name {
    line-height: 1.4;
    min-width: 0;
}
.lisun-product-model { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-solution-item { min-width: 0; }
.lisun-solution-icon { flex-shrink: 0; }
.lisun-solution-name { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-standards-mega, .lisun-standards-mega * { font-size: var(--size-sm) !important; }
.lisun-standards-orgs {
    width: 420px !important;
    flex-shrink: 0;
    flex-basis: 420px;
    min-width: 420px !important;
}
.lisun-standards-org-item { min-width: 0; padding: 8px 12px; gap: 12px; }
.lisun-standards-org-name {
    font-size: var(--size-sm) !important;
    white-space: nowrap;
    overflow: visible;
    text-overflow: clip;
    min-width: 0;
    flex: 1;
}
.lisun-standards-region-title {
    font-size: var(--size-sm) !important;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 10px;
}
.lisun-standards-details { flex: 1; min-width: 0; overflow: hidden; padding: 0 !important; }
.lisun-standards-detail-panel { padding: 10px !important; }
.lisun-standards-content { gap: 8px !important; min-height: 340px; }
.lisun-standards-detail-list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px !important;
    min-width: 0;
}
.lisun-standards-detail-item {
    font-size: var(--size-sm) !important;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
    padding: 5px 8px !important;
}
.lisun-standards-result-item { font-size: var(--size-sm) !important; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-standards-no-results { font-size: var(--size-sm) !important; }
.lisun-standards-placeholder-text { font-size: var(--size-sm) !important; }
.lisun-standards-search { margin-bottom: 10px !important; }
.lisun-standards-featured-tags { gap: 3px !important; }
.lisun-standards-featured-tag { padding: 3px 8px !important; font-size: var(--size-sm) !important; }
@media (max-width: 900px) {
    .lisun-standards-orgs { width: 380px !important; flex-basis: 380px; min-width: 380px !important; }
}
@media (max-width: 800px) {
    .lisun-standards-orgs { width: 340px !important; flex-basis: 340px; min-width: 340px !important; }
}
.lisun-company-link { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.lisun-company-link span { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; flex: 1; }
.lisun-company-link svg { flex-shrink: 0; }
.lisun-products-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); min-width: 0; }
.lisun-product-grid, .lisun-solutions-list, .lisun-standards-content, .lisun-standards-orgs,
.lisun-standards-detail-list, .lisun-company-links, .lisun-accordion-inner { min-width: 0; }
.lisun-nav-link { white-space: nowrap; }
.lisun-mobile-section-link span, .lisun-mobile-section-btn,
.lisun-mobile-subsection-trigger span, .lisun-mobile-link {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0;
}
.lisun-product-header, .lisun-solutions-header { min-width: 0; }
.lisun-product-title, .lisun-solutions-title {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0;
}
.lisun-product-title { flex: 1; }
.lisun-mega-content { min-width: 0; }
.lisun-standards-result-list, .lisun-standards-result-list li { min-width: 0; }