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.left-menu-tp-content::before{content:"";display:inline-block;width:24px;height:24px;background:url(../../images/ng-home-2025/sider-language-v4.png) center/cover no-repeat;margin:0 6px 4px 0}.ng-header-v4-nav-wrapper .display-menu .left-menu .left-menu-tp .left-menu-tp-wrapper-m,.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .choose-language-wrapper-m{display:none}.ng-header-v4-nav-wrapper .display-menu .left-menu .left-menu-tp .left-menu-tp-wrapper .left-menu-tp-arrow{height:24px;width:24px;background:url(../../images/ng-home-2025/arrow-right-v4.png) center/cover no-repeat}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content{-ms-flex:1;flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;min-height:0}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-md .nav-item{height:51px;padding-left:24px;display:-ms-flexbox;display:flex;-ms-flex-align:center;align-items:center;font-size:16px;color:#1F1F1F;background:#fff;transition:background .25s ease;cursor:pointer}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-md .nav-item:hover{background:#F9F9F9}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-md .nav-item:last-child{border-width:1px 0;border-style:solid;border-color:#E6EBF2}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-md .nav-item-normal{display:-ms-flexbox;display:flex;-ms-flex-pack:justify;justify-content:space-between;padding-right:24px}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-md .nav-item-normal .nav-item-arrow{height:24px;width:24px;background:url(../../images/ng-home-2025/arrow-right-v4.png) center/cover no-repeat;transition:transform .25s 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.left-menu-bm .follow-us-content .share-item-wrapper .telegram{background:url(../../images/header-v4/telegram.png) no-repeat;background-size:cover}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-bm .follow-us-content .share-item-wrapper .wechat{background:url(../../images/header-v4/wechat.png) no-repeat;background-size:cover}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-bm .follow-us-content .share-item-wrapper .pinterest{background:url(../../images/header-v4/pinterest.png) no-repeat;background-size:cover}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-bm .follow-us-content .share-item-wrapper .toutiao{background:url(../../images/header-v4/toutiao.png) no-repeat;background-size:cover}.ng-header-v4-nav-wrapper .display-menu .left-menu .scroll-content .left-menu-bm .follow-us-content .share-item-wrapper .quora{background:url(../../images/header-v4/quora.png) 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