html,
        body {
            margin: 0;
            padding: 0;
            background: #fff;
            font-family: "PingHei", "Lucida Grande", "Lucida Sans Unicode",
            "Helvetica", "Arial", "Verdana", "sans-serif", "Microsoft Yahei", "΢ÈíÑźÚ"
        }

        ul,
        li,
        p {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        .main {
            width: 960px;
            margin: 0 auto;
            background-color: #fff;
            padding-left: 70px;
        }

        .title {
            margin: 100px 0 40px;
            font-size: 26px;
            font-weight: bold;
            color: red;
        }

        .desc-wrap {
            margin-bottom: 40px;
        }

        .desc-wrap p {
            font-size: 14px;
            line-height: 24px;
            color: #666;
        }

        .bottom {
            margin: 20px 0;
        }

        .footer {
            margin-left: 487px;
        }