.icon{width:1em;height:1em;vertical-align:-.15em;fill:currentcolor;overflow:hidden}main{color:#181c24}.topbanner{height:70vh}.towimage{width:72vw;height:60vh}.towcontent{color:#5c768d}.towitem{width:21vw;height:20vh}.towitemview{bottom:-6rem}.threeview{background-color:#a3c2cf}.threeimage{width:72vw}.threeimageitem{width:32.3%}.fourcontent{letter-spacing:.5em}.cardleft{background-color:#e1edf2}.from{border:1px solid #1f1f1f}input[type=text]:focus{outline:none}.forminput{width:37.5rem;border-bottom:1px solid #1f1f1f;height:3rem}.header-border{border-bottom:1px solid #ccc}.header-bg-goods{background:#fff}.header-text-color{color:#333}.header-active{color:#48d1fe}.header-bg-about-nav{background:#fff}