/* 重写中英文切换按钮样式 */
		.btn-warning {
		    color: #212529;
		    background-color: orangered;
		    border-color: orangered;
		}
		.btn-outline-warning {
		    color: orangered;
		    border-color: orangered;
		}
		.navbar {
		  transition: top 0.3s;
		  position: sticky;
		  top: 0;
		  z-index: 1000;
		}
		
		.navbar.navbar--hidden {
		  top: -80px; /* 导航栏高度 */
		}