.main-container {
    box-sizing: border-box;
    width: 100%;
    overflow: hidden;
    margin-top: 58px;
    margin-left: 16px;
}

    .main-container .content-container {
        margin: 0 auto;
        width: 1200px;
    }

.content-container {
    margin: 0 auto;
    width: 1200px;
}

.main-container .main-content {
    width: 1200px;
    margin: 10px auto;
    background: #fff;
}

    .main-container .main-content .letter-idx {
        overflow: hidden;
        border-bottom: 1px dashed #efc5c5;
        min-height: 48px;
        line-height: 48px;
        margin: 0 10px;
    }

        .main-container .main-content .letter-idx li:first-child {
            color: #333;
            font-weight: 700;
            cursor: default;
            font-size: 14px;
        }

        .main-container .main-content .letter-idx li {
            float: left;
            min-width: 24px;
            text-align: center;
            margin: 0 2px;
            cursor: pointer;
        }

        .main-container .main-content .letter-idx li {
            float: left;
            min-width: 24px;
            text-align: center;
            margin: 0 2px;
            cursor: pointer;
        }

li, ul {
    list-style-type: none;
}

.main-container .main-content .letter-idx li {
    float: left;
    min-width: 24px;
    text-align: center;
    margin: 0 2px;
    cursor: pointer;
}

    .main-container .main-content .letter-idx li a {
        color: #666;
        font-size: 12px
    }

.main-container .main-content .letter-model {
    overflow: hidden;
    margin: 15px 0;
}

    .main-container .main-content .letter-model .letter-head .avatar {
        float: left;
        width: 50px;
        height: 50px;
        display: block;
        background: #0094e7;
        border-radius: 50%;
        font-size: 25px;
        color: #fff;
        text-align: center;
        line-height: 50px;
        margin-left: 10px;
        cursor: default;
    }

    .main-container .main-content .letter-model .letter-head .desc {
        line-height: 50px;
        padding-left: 8px;
        color: #666;
    }

    .main-container .main-content .letter-model .letter-body {
        overflow: hidden;
    }

li, ul {
    list-style-type: none;
}

.main-container .main-content .letter-model .letter-body li {
    width: 20%;
    overflow: hidden;
    float: left;
}

    .main-container .main-content .letter-model .letter-body li a {
        color: #666;
        font-size: 13px;
        display: block;
        margin: 8px 0;
        padding-left: 15px;
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;
    }

a {
    text-decoration: none;
}

.main-container .main-content .letter-model .letter-body li {
    width: 20%;
    overflow: hidden;
    float: left;
}

.letter-body {
    overflow: hidden;
}

    .letter-body li {
        width: 20%;
        overflow: hidden;
        float: left;
    }

        .letter-body li a {
            color: #666;
            font-size: 13px;
            display: block;
            margin: 8px 0;
            padding-left: 15px;
            text-overflow: ellipsis;
            white-space: nowrap;
            overflow: hidden;
        }