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a:before{position:absolute;top:0;left:0;bottom:0;right:0;background:var(--thm-base);content:"";border-radius:0;z-index:-1;transform:scale(0.0);transform-origin:center;transform-style:preserve-3d;transition:all .4s cubic-bezier(0.62,0.21,0.45,1.52)}.header-social-link ul li a:hover:before{transform:scaleX(1.0)}.main-header-style2-top-left .phone-number-box-style1{margin-left:40px}.main-header-style2-top-left .phone-number-box-style1 h5{color:#63747c}.main-header-style2-top-right{position:relative;display:block}.cart-sign-in-box{position:relative;display:block}.cart-sign-in-box ul{position:relative;display:block;overflow:hidden}.cart-sign-in-box ul li{position:relative;display:block;float:left}.cart-sign-in-box ul li+li{margin-left:30px}.cart-sign-in-box ul li span{position:relative;top:1px;display:inline-block;padding-right:5px;color:var(--thm-base);font-size:15px;line-height:15px}.cart-sign-in-box ul li a{color:#63747c;font-size:14px;font-weight:500;text-transform:uppercase;font-family:var(--thm-font-2);transition:all 200ms linear;transition-delay:.1s}.cart-sign-in-box ul li a:hover{color:var(--thm-base)}.main-menu-style2{position:relative;display:block;background-color:#fff}.main-menu-style2 .main-menu__wrapper-inner{position:relative;display:flex;flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}.main-menu-style2 .main-menu__wrapper-inner .main-menu-box{float:none;margin-left:inherit}.main-menu-style2-right{position:relative;display:block}.stricky-header--style2 .main-menu__wrapper-inner{position:relative;display:flex;flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}.stricky-header--style2 .main-menu-box{margin-left:inherit}.main-header-style3{position:relative;display:block}.main-menu-style3{position:relative;display:block;margin-bottom:-110px}.main-menu-style3 .main-menu__wrapper-inner{position:relative;display:flex;flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}.main-menu-style3 .main-menu__list>li>a{color:#fff}.main-menu-style3 .main-menu__wrapper-inner .main-menu-box{float:none;margin-left:inherit}.main-menu-style3-right{position:relative;display:block}.main-menu-style3-right .header-btn-style1 a{padding:0 30px;color:#fff;border:3px solid rgba(255,255,255,0.1)}.main-menu-style3-right .header-btn-style1 a:hover{border:3px solid var(--thm-base)}.stricky-header--style3.main-menu{background-color:#0f0f0f}.stricky-header--style3.main-menu .main-menu__wrapper{background-color:#0f0f0f}.stricky-header--style3 .main-menu__wrapper-inner{background-color:#0f0f0f}.stricky-header--style3 .main-menu__list>li>a{color:#fff}.stricky-header--style3 .main-menu-box{margin-left:inherit}.stricky-header--style3 .main-menu__wrapper-inner{position:relative;display:flex;flex-direction:row;justify-content:space-between;align-items:center;flex-wrap:wrap}/*：这是演示代码,不是源代码。源码下载唯一地址: http://www.bootstrapmb.com/item/13148(这个备注仅在演示页面有，源代码里没有)*/