div#bar{
			position:fixed;
			width:90%;
			height:48px;
			top:-56px;
			left:5%;
			background:linear-gradient(#88eecc,#bbffee);
			border-radius:16px;
			border:none;
			box-shadow: 2px 2px 5px 2px rgba(0, 0, 0, 0.5);
			z-index:1145141919810;
			transition:all 0.3s ease;
		}
		#ti{
    		font-family:Harlow Solid;
    		font-size:36px;
    		position: absolute;
    		user-select:none;
		}
		a.go{
			text-align:center;
			position: absolute;
			border-radius:12px;
			background:#55ccaa;
			margin:4px;
			width:36px;
			height:36px;
			font-size:24px;
			text-decoration:none;
			color:#ffffff;
			border-top:none;
			border-left:none;
			border-bottom:4px solid #44bb99;
			border-right:4px solid #44aa77;
			transition: filter 0.2s,border 0.2s;
		}
		a.go:hover {
            filter: brightness(85%); 
            border-bottom: none; /* 移除底部边框 */
            border-right: none; /* 移除右侧边框 */
            border-top:4px solid #44bb99;
			border-left:4px solid #44aa77;
        }
        span.til{
            position: absolute;
            top: 100%; /* 将 tooltip 放在 box 的下方 */
            left: 50%;
            transform: translateX(-50%);
            color: white;
            font-size: 12px;
            visibility: hidden;
            opacity: 0;
            transition: visibility 0.3s, opacity 0.3s;
            margin-top: 10px; /* 调整与 box 之间的间距 */
            width:56px;
            background:rgba(0,0,0,0.8);
            border-radius:6px;
        }
        a.go:hover span.til{
            visibility: visible;
            opacity: 1;
        }
        .fa{
            top:50%;
            left:50%;
            position:absolute;
            transform:translate(-50%,-50%);
        }