.top {
            width: 100%;
            max-width: 760px;
            box-sizing: border-box;
            position: fixed;
            background: #e6f5fd;
            height: 50px;
            padding: 0 7px;
            line-height: 50px;
            z-index: 333;
            box-shadow: 0 2px 3.5px rgba(0, 0, 0, 0.1);
            }
        .url_a {
            float: right;
            margin-top: 14px;
            display: block;
            width: 136px;
            height: 23px;
            border-radius: 23px;
            background: linear-gradient(0deg, #f67c13, #eea40f);
            font-size: 14px;
            color: #fff;
            line-height: 22.5px;
            text-align: center;
            }
        .top img {
            border: 0;
            width: 210px;
            vertical-align: middle;
            position: absolute;left: 7px; top: 50%; margin-top: -20px;
            }