.register-header .logo .img {background-image: var(--register_icon) !important;}  .index-header .logo .img {background-image:var(--login_icon);}  .index-header .logo .imgs {background-image: var(--login_icons);}  .navbar .navbar-logo .img-logo {background-image: var(--layout_icon);}  .register .sw_footer .top .right .customer .img, li:last-child .wechat-img {background-image: var(--wechat_icon);}