!-- header nav -->
						<ul class="header__nav">
							<!-- dropdown -->
							<li class="header__nav-item">
								<a id="homepageMenu" class="header__nav-link index-top-menu top-menu-bg-color" href="javascript:void(0);">首页</a>
							</li>
							<!-- end dropdown -->

							<!-- dropdown -->
							<li class="header__nav-item">
								<a id="technologyMenu" class="header__nav-link index-top-menu" href="javascript:void(0);">技术</a>
							</li>
							<!-- end dropdown -->

							<!-- dropdo