.product {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 3%;
}

.pr-left {
    width: 20%;
    float: left;
    border: 8px solid#3864af;
}

    .pr-left h3 {
        text-align: center;
        background: #3864af;
        color: #fff;
        padding: 23px 0;
        font-size: 24px;
        font-weight: bold;
    }

.pr-right {
    width: 76%;
    float: right;
}

.main-top {
    width: 100%;
    height: auto;
    display: inline-block;
    border-bottom: 1px solid#e8e8e8;
}

.main-left {
    float: left;
    line-height: 65px;
    letter-spacing: 1px;
}

    .main-left img {
        float: left;
        margin-right: 6px;
        margin-top: 24px;
    }

    .main-left p {
        float: left;
    }

        .main-left p a {
            color: #434343;
        }

.detail {
    width: 100%;
    height: auto;
}

    .detail img {
    }

    .detail p {
        line-height: 27px;
        font-size: 14px;
        padding-top: 10px;
    }

.pro-box {
    width: 100%;
    height: auto;
    display: inline-block;
    margin-top: 2%;
    margin-bottom: 2%;
}

.pb-left {
    float: left;
    width: 28%;
}

    .pb-left h3 {
        font-size: 22px;
        letter-spacing: 2px;
        margin-bottom: 2%;
    }

    .pb-left p {
        line-height: 26px;
        font-size: 15px;
    }

.pb-right {
    width: 72%;
    float: left;
}
@media screen and (max-width: 1024px) and (min-width: 0px) {
.pb-left {
    float: left;
    width: 100%;
    text-align: center;
    padding: 10px
 0;
}
.pb-right {
    width: 100%;
    float: left;
}
}