.erweima {
					position: absolute;
					top: 70px;
					z-index: 99;
					display: none;
					
				}
				
				.account_flex:hover .erweima {
					display: block;
					color: red;
				}
			
			.head_log {
			    width: 120px;
			    /* margin-left: 30px; */
			}

			.head_back {
			    position: fixed;
			    width: 100%;
			    z-index: 9999999;
			    background-color: rgb(56, 56, 56, 0.8);
			    display: flex;
			    justify-content: space-between;
			    padding: 0 20px;
			    align-items: center;
			    height: 95px;
			    top: 0;
			    box-sizing: border-box;
			}

			#head_title {
			    width: 120px;
			    text-align: center;
			    cursor: pointer;
			    height: 95px;
			    line-height: 95px;
			    color: #fff;
			    font-size: 16px;
			    position: relative;
			}
			.asdad{
				color: #fff;
				
			}
			a{
				text-decoration:none;
				color: #fff;
			}
			.asdad:hover{
				color: #7FD8E2;
				text-decoration:none;
			}
			.son {
			    height: 2px;
			    width: 0px;
			    background-color: #7FD8E2;
			    position: absolute;
			    bottom: 0;
			    /* 收回的时候快一点 */
			    transition: width 200ms;
			}

			#head_title:hover .son {
			    width: 120px;
			    transition: width 500ms;
				color: #7FD8E2;

			}
			#head_title:hover {
			    width: 120px;
			    color: #7FD8E2 !important;
			}

			#secondary {
			    position: fixed;
			    top: 95px;
			    display: none;
			    width: 100%;
			    text-align: left;
			    background-color: #f3f3f3;

			}

			

			#head_title:hover #secondary {
			    display: block;
			}

			.secondary_one {
			    display: flex;
			}

			.secondary_one div {
			    color: #999;
			}

			.secondary_two {
			    line-height: 100px;
			    margin-right: 40px;
			}
			

			.secondary_three {
			    display: flex;
				height: 40px;
			    line-height: 40px;
			}

			.secondary_three div {
			    margin-right: 40px;
			}

			.secondary_one div:hover {
			    color: #333;
			}