body
{
    background-color: rgb(244,244,244);
}

.row
{
    margin: 0;
}

.body_min
{
    margin-bottom: 40px;
}


/*title*/
.title
{
    text-align: center;
    margin-bottom: 30px;
}

    .title div
    {
        font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
        color: rgb(72,72,72);
        font-size: 24px;
        font-weight: lighter;
    }

        .title div:last-child
        {
            font-size: 16px;
        }
/*title*/
/*center*/

.center img
{
    width: 100%;
    margin-bottom: 15px;
}

.center
{
    font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
    color: rgb(27,27,27);
    font-weight: lighter;
    font-size: 16px;
    background: rgb(255,255,255);
    padding: 20px 40px 20px 20px;
    line-height: 2em;
    letter-spacing: 1px;
}

    .center .teacher div
    {
        font-size: 16px;
        line-height: 2em;
    }

.text div:nth-of-type(odd)::first-letter
{
    color: rgb(16,60,13);
    font-weight: 600;
}

.text div:nth-of-type(even)::first-letter
{
    color: rgb(239,96,93);
    font-weight: 600;
}

.center .teacher div:first-child
{
    font-size: 26px;
    margin-bottom: 6px;
}

.center .teacher
{
    margin-bottom: 15px;
}

.text div:nth-of-type(odd)
{
    margin-top: 20px;
}
/*center*/

/*bottom*/
.bottom
{
    margin-top: 20px;
    margin-bottom: 30px;
}

    .bottom a
    {
        font-family: "Microsoft YaHei", Arial, Helvetica, sans-serif;
        color: rgb(27,27,27);
        font-weight: lighter;
        font-size: 16px;
        text-decoration: none;
    }

        .bottom a:hover
        {
            color: rgb(49,49,100);
            text-decoration: underline;
        }

    .bottom .prev
    {
        float: left;
        text-indent: 3em;
    }

    .bottom .next
    {
        float: right;
        margin-right: 50px;
    }

@media screen and (max-width:767px)
{
    .bottom .next
    {
        float: left;
        margin-right: 0;
        text-indent: 3em;
    }
    .center
    {
            padding: 0;
    }
    .center img {
        width: 100%;
        margin: 15px auto;
    }
}
/*bottom*/