.elementor-3981 .elementor-element.elementor-element-6cb75ed3{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-600e3936{--display:flex;--flex-direction:row;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--align-items:stretch;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--overlay-opacity:0.5;--padding-top:200px;--padding-bottom:80px;--padding-left:40px;--padding-right:40px}.elementor-3981 .elementor-element.elementor-element-600e3936:not(.elementor-motion-effects-element-type-background),.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-motion-effects-container>.elementor-motion-effects-layer{background-image:url(https://text.chuqi-airfilter.com/wp-content/uploads/2026/04/high-efficiency-intake-filter-roll-specifications.jpg);background-position:center left;background-repeat:no-repeat;background-size:cover}.elementor-3981 .elementor-element.elementor-element-600e3936::before,.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-600e3936>.e-con-inner>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-600e3936>.e-con-inner>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-motion-effects-container>.elementor-motion-effects-layer::before{background-color:var(--e-global-color-astglobalcolor7);--background-overlay:''}.elementor-3981 .elementor-element.elementor-element-4ebdd8e{--display:flex;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-2971dd58 .hfe-infocard{text-align:center}.elementor-3981 .elementor-element.elementor-element-2971dd58 .elementor-button{border-style:none}.elementor-3981 .elementor-element.elementor-element-2971dd58 .hfe-infocard-title{font-size:50px;color:#FFF;margin:0 0 15px 0}.elementor-3981 .elementor-element.elementor-element-2971dd58 .hfe-infocard-text{color:#FFF;margin:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-2971dd58 .hfe-infocard-cta-link-style,.elementor-3981 .elementor-element.elementor-element-2971dd58 .hfe-button-wrapper{margin:10px 0 0 0}.elementor-3981 .elementor-element.elementor-element-4b22e9fb{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:80px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-176d4e73>.elementor-widget-container{margin:0 0 0 0;padding:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-176d4e73 .elementor-icon-box-wrapper{align-items:start;gap:12px}.elementor-3981 .elementor-element.elementor-element-176d4e73.elementor-view-stacked .elementor-icon{background-color:var(--e-global-color-astglobalcolor0)}.elementor-3981 .elementor-element.elementor-element-176d4e73.elementor-view-framed .elementor-icon,.elementor-3981 .elementor-element.elementor-element-176d4e73.elementor-view-default .elementor-icon{fill:var(--e-global-color-astglobalcolor0);color:var(--e-global-color-astglobalcolor0);border-color:var(--e-global-color-astglobalcolor0)}.elementor-3981 .elementor-element.elementor-element-176d4e73 .elementor-icon{font-size:30px}.elementor-3981 .elementor-element.elementor-element-176d4e73 .elementor-icon-box-title,.elementor-3981 .elementor-element.elementor-element-176d4e73 .elementor-icon-box-title a{line-height:30px}.elementor-3981 .elementor-element.elementor-element-30650542>.elementor-widget-container{margin:0 0 0 0;padding:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-menu-toggle{margin:0 auto}.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main .elementor-item{color:#3F3F3F;fill:#3F3F3F}.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main .elementor-item:hover,.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main .elementor-item.elementor-item-active,.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main .elementor-item.highlighted,.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main .elementor-item:focus{color:#fff}.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main:not(.e--pointer-framed) .elementor-item:before,.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main:not(.e--pointer-framed) .elementor-item:after{background-color:#0067FF}.elementor-3981 .elementor-element.elementor-element-30650542 .e--pointer-framed .elementor-item:before,.elementor-3981 .elementor-element.elementor-element-30650542 .e--pointer-framed .elementor-item:after{border-color:#0067FF}.elementor-3981 .elementor-element.elementor-element-30650542{--e-nav-menu-divider-content:"";--e-nav-menu-divider-style:solid;--e-nav-menu-divider-width:2px;--e-nav-menu-divider-color:#929292;--e-nav-menu-horizontal-menu-item-margin:calc( 20px / 2 )}.elementor-3981 .elementor-element.elementor-element-30650542 .elementor-nav-menu--main:not(.elementor-nav-menu--layout-horizontal) .elementor-nav-menu>li:not(:last-child){margin-bottom:20px}.elementor-3981 .elementor-element.elementor-element-4b94c996>.elementor-widget-container{margin:30px 0 0 0;padding:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-4b94c996 .elementor-icon-box-wrapper{align-items:start;gap:12px}.elementor-3981 .elementor-element.elementor-element-4b94c996.elementor-view-stacked .elementor-icon{background-color:var(--e-global-color-astglobalcolor0)}.elementor-3981 .elementor-element.elementor-element-4b94c996.elementor-view-framed .elementor-icon,.elementor-3981 .elementor-element.elementor-element-4b94c996.elementor-view-default .elementor-icon{fill:var(--e-global-color-astglobalcolor0);color:var(--e-global-color-astglobalcolor0);border-color:var(--e-global-color-astglobalcolor0)}.elementor-3981 .elementor-element.elementor-element-4b94c996 .elementor-icon{font-size:30px}.elementor-3981 .elementor-element.elementor-element-4b94c996 .elementor-icon-box-title,.elementor-3981 .elementor-element.elementor-element-4b94c996 .elementor-icon-box-title a{line-height:30px}.elementor-3981 .elementor-element.elementor-element-359230ce>.elementor-widget-container{margin:0 0 0 0;padding:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-menu-toggle{margin:0 auto}.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main .elementor-item{color:#3F3F3F;fill:#3F3F3F}.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main .elementor-item:hover,.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main .elementor-item.elementor-item-active,.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main .elementor-item.highlighted,.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main .elementor-item:focus{color:#fff}.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main:not(.e--pointer-framed) .elementor-item:before,.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main:not(.e--pointer-framed) .elementor-item:after{background-color:#0067FF}.elementor-3981 .elementor-element.elementor-element-359230ce .e--pointer-framed .elementor-item:before,.elementor-3981 .elementor-element.elementor-element-359230ce .e--pointer-framed .elementor-item:after{border-color:#0067FF}.elementor-3981 .elementor-element.elementor-element-359230ce{--e-nav-menu-divider-content:"";--e-nav-menu-divider-style:solid;--e-nav-menu-divider-width:2px;--e-nav-menu-divider-color:#929292;--e-nav-menu-horizontal-menu-item-margin:calc( 20px / 2 )}.elementor-3981 .elementor-element.elementor-element-359230ce .elementor-nav-menu--main:not(.elementor-nav-menu--layout-horizontal) .elementor-nav-menu>li:not(:last-child){margin-bottom:20px}.elementor-3981 .elementor-element.elementor-element-48ce42eb{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:30px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px}.elementor-3981 .elementor-element.elementor-element-42ca43c6{--grid-row-gap:40px;--grid-column-gap:40px}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-posts-container .elementor-post__thumbnail{padding-bottom:calc(1 * 100%)}.elementor-3981 .elementor-element.elementor-element-42ca43c6:after{content:"1"}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post__thumbnail__link{width:100%}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post{padding:0 0 0 0;background-color:#E0F2FD}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post__text{padding:0 10px 10px 10px}.elementor-3981 .elementor-element.elementor-element-42ca43c6.elementor-posts--thumbnail-left .elementor-post__thumbnail__link{margin-right:20px}.elementor-3981 .elementor-element.elementor-element-42ca43c6.elementor-posts--thumbnail-right .elementor-post__thumbnail__link{margin-left:20px}.elementor-3981 .elementor-element.elementor-element-42ca43c6.elementor-posts--thumbnail-top .elementor-post__thumbnail__link{margin-bottom:20px}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post__title,.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post__title a{color:#2E2E2E}.elementor-3981 .elementor-element.elementor-element-314a3196{--display:flex;--flex-direction:row;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--align-items:stretch;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--padding-top:80px;--padding-bottom:80px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-314a3196:not(.elementor-motion-effects-element-type-background),.elementor-3981 .elementor-element.elementor-element-314a3196>.elementor-motion-effects-container>.elementor-motion-effects-layer{background-color:#FFF}.elementor-3981 .elementor-element.elementor-element-314a3196::before,.elementor-3981 .elementor-element.elementor-element-314a3196>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-314a3196>.e-con-inner>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-314a3196>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-314a3196>.e-con-inner>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-314a3196>.elementor-motion-effects-container>.elementor-motion-effects-layer::before{--background-overlay:''}.elementor-3981 .elementor-element.elementor-element-7c02d33d{--display:flex;--align-items:flex-start;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-69741abc{--display:flex;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:50px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-bc3932b>.elementor-widget-container{padding:0 0 10px 0}.elementor-3981 .elementor-element.elementor-element-bc3932b .elementor-heading-title{font-size:40px}.elementor-3981 .elementor-element.elementor-element-ddba7c2{column-gap:0;line-height:28px}.elementor-3981 .elementor-element.elementor-element-5d6eba55>.elementor-widget-container{margin:10px 0 0 0}.elementor-3981 .elementor-element.elementor-element-63272c8d{--display:flex;--flex-direction:row;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--align-items:stretch;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--padding-top:80px;--padding-bottom:80px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-63272c8d:not(.elementor-motion-effects-element-type-background),.elementor-3981 .elementor-element.elementor-element-63272c8d>.elementor-motion-effects-container>.elementor-motion-effects-layer{background-color:#FFF0}.elementor-3981 .elementor-element.elementor-element-63272c8d::before,.elementor-3981 .elementor-element.elementor-element-63272c8d>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-63272c8d>.e-con-inner>.elementor-background-video-container::before,.elementor-3981 .elementor-element.elementor-element-63272c8d>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-63272c8d>.e-con-inner>.elementor-background-slideshow::before,.elementor-3981 .elementor-element.elementor-element-63272c8d>.elementor-motion-effects-container>.elementor-motion-effects-layer::before{--background-overlay:''}.elementor-3981 .elementor-element.elementor-element-3c812866{--display:flex;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:50px}.elementor-3981 .elementor-element.elementor-element-46cbdf1a>.elementor-widget-container{padding:0 0 10px 0}.elementor-3981 .elementor-element.elementor-element-46cbdf1a .elementor-heading-title{font-size:40px}.elementor-3981 .elementor-element.elementor-element-47698fb0{column-gap:0;line-height:28px}.elementor-3981 .elementor-element.elementor-element-31b092a6>.elementor-widget-container{padding:0 0 10px 0}.elementor-3981 .elementor-element.elementor-element-31b092a6 .elementor-heading-title{font-size:27px;color:#0067FF}.elementor-3981 .elementor-element.elementor-element-188b3cf9{--display:flex}.elementor-3981 .elementor-element.elementor-element-7c9479d7{--display:flex;--align-items:flex-end;--container-widget-width:calc( ( 1 - var( --container-widget-flex-grow ) ) * 100% );--gap:0px 0px;--row-gap:0px;--column-gap:0px;--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}:root{--page-title-display:none}@media(max-width:1024px){.elementor-3981 .elementor-element.elementor-element-600e3936:not(.elementor-motion-effects-element-type-background),.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-motion-effects-container>.elementor-motion-effects-layer{background-position:center center}.elementor-3981 .elementor-element.elementor-element-600e3936{--padding-top:180px;--padding-bottom:152px;--padding-left:32px;--padding-right:32px}.elementor-3981 .elementor-element.elementor-element-314a3196{--padding-top:90px;--padding-bottom:90px;--padding-left:25px;--padding-right:25px}.elementor-3981 .elementor-element.elementor-element-69741abc{--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-5d6eba55>.elementor-widget-container{margin:0 0 0 0;padding:0 0 0 0}.elementor-3981 .elementor-element.elementor-element-63272c8d{--padding-top:90px;--padding-bottom:90px;--padding-left:25px;--padding-right:25px}.elementor-3981 .elementor-element.elementor-element-3c812866{--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}}@media(max-width:767px){.elementor-3981 .elementor-element.elementor-element-600e3936{--padding-top:180px;--padding-bottom:152px;--padding-left:24px;--padding-right:24px}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-posts-container .elementor-post__thumbnail{padding-bottom:calc(0.5 * 100%)}.elementor-3981 .elementor-element.elementor-element-42ca43c6:after{content:"0.5"}.elementor-3981 .elementor-element.elementor-element-42ca43c6 .elementor-post__thumbnail__link{width:100%}.elementor-3981 .elementor-element.elementor-element-314a3196{--padding-top:75px;--padding-bottom:75px;--padding-left:20px;--padding-right:20px}.elementor-3981 .elementor-element.elementor-element-7c02d33d{--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-2e9b75b0 img{width:100%}.elementor-3981 .elementor-element.elementor-element-69741abc{--margin-top:20px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px}.elementor-3981 .elementor-element.elementor-element-63272c8d{--padding-top:75px;--padding-bottom:75px;--padding-left:20px;--padding-right:20px}.elementor-3981 .elementor-element.elementor-element-3c812866{--margin-top:20px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px}.elementor-3981 .elementor-element.elementor-element-7c9479d7{--margin-top:0px;--margin-bottom:0px;--margin-left:0px;--margin-right:0px;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-3981 .elementor-element.elementor-element-1e1fda8a img{width:100%}}@media(min-width:768px){.elementor-3981 .elementor-element.elementor-element-6cb75ed3{--content-width:100%}.elementor-3981 .elementor-element.elementor-element-4b22e9fb{--content-width:1400px}.elementor-3981 .elementor-element.elementor-element-48ce42eb{--content-width:1400px}.elementor-3981 .elementor-element.elementor-element-314a3196{--content-width:1400px}.elementor-3981 .elementor-element.elementor-element-63272c8d{--content-width:1400px}.elementor-3981 .elementor-element.elementor-element-3c812866{--width:100%}.elementor-3981 .elementor-element.elementor-element-188b3cf9{--width:100%}.elementor-3981 .elementor-element.elementor-element-7c9479d7{--content-width:100%}}@media(min-width:1025px){.elementor-3981 .elementor-element.elementor-element-600e3936:not(.elementor-motion-effects-element-type-background),.elementor-3981 .elementor-element.elementor-element-600e3936>.elementor-motion-effects-container>.elementor-motion-effects-layer{background-attachment:scroll}}