         font-size: 14px;
            color: rgba(0,0,0,.59);
        }
    </style>
</head>
<body>
<div class="container">
    <div class="wrapper">
        <header>
            <h2>欢迎使用davinci</h2>
        </header>
        <article>
            <div class="title">您好, <span th:text="${username}">username</span></div>
            <a class="sure" th:href="@{{host}/#/activate(token=${token},host=${host})}">激活davinci</a>
            <p class="detail">此邮件为注册davinci激活邮件。如