#main .is_sp {
    display: none
}

.page #main .page_title {
    margin: 0 0 30px;
    padding: 12px 18px;
    font-size: 25px;
    text-align: left;
    color: #fff;
    border: 5px solid #d3d2d3;
    background-image: none;
    border-radius: 6px;
    background-color: #ff0012
}

.knowledge #main * {
    box-sizing: border-box
}

.knowledge p {
    font-size: 15px
}

.knowledge .intro {
    text-align: center
}

.knowledge .intro h3 {
    font-size: 33px;
    color: #ff0012;
    margin-bottom: 10px
}

.knowledge .intro p {
    line-height: 1.8;
    margin-bottom: 30px
}

.knowledge .intro p:last-child {
    margin-bottom: 0
}

.knowledge .intro .atn {
    margin: 10px 0 40px
}

.knowledge .intro .atn span {
    font-size: 10px;
    text-align: left;
    line-height: 1.2;
    display: block
}

.knowledge .feature_head {
    margin-top: 10px
}

.knowledge .feature p {
    text-align: left;
    line-height: 1.8;
    margin-bottom: 1em
}

.knowledge .feature .emphasis {
    font-size: 22px;
    display: inline;
    color: #ff0012;
    background: linear-gradient(transparent 70%,#ff0 30%);
    line-height: 2.5
}

.knowledge .feature .emphasis+p {
    margin-top: 1em
}

.knowledge .f_content {
    width: 845px;
    margin: 0 auto
}

.knowledge .feature_item {
    margin-bottom: 70px
}

.knowledge .feature_item>h3,.knowledge .feature_item>h2 {
    background: left center no-repeat;
    background-size: 119px;
    padding: 20px 0 10px 145px;
    font-size: 33px;
    line-height: 1.3;
    text-align: left;
    border-bottom: 2px solid #ff0012;
    margin-bottom: 30px;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    min-height: 109px
}

.knowledge .feature_item .f1_bottom {
    line-height: 2;
    margin-top: 10px
}

.knowledge .f_item1>h3,.knowledge .f_item1>h2 {
    background-image: url(../kobac18_img/knowledge/f_icon1.jpg)
}

.knowledge .f_item2>h3,.knowledge .f_item2>h2 {
    background-image: url(../kobac18_img/knowledge/f_icon2.jpg)
}

.knowledge .f_item3>h3,.knowledge .f_item3>h2 {
    background-image: url(../kobac18_img/knowledge/f_icon3.jpg)
}

.knowledge .f_item4>h3,.knowledge .f_item4>h2 {
    background-image: url(../kobac18_img/knowledge/f_icon4.jpg)
}

.knowledge .f1_list {
    width: 840px;
    margin: 30px auto 10px
}

.knowledge .f1_list li {
    border-bottom: 1px solid #000;
    padding: 20px 0 30px
}

.knowledge .f1_list h4,.knowledge .f1_list h3 {
    font-size: 20px;
    padding-left: 5px;
    border-left: 6px solid;
    border-left-color: #ff0012;
    text-align: left;
    margin-bottom: 20px;
    color: #ff0012
}

.knowledge .f1_list h4.list_a,.knowledge .f1_list h3.list_a {
    border-left-color: #00a299;
    color: #00a299
}

.knowledge .f1_list h4.list_b,.knowledge .f1_list h3.list_b {
    border-left-color: #f29600;
    color: #f29600
}

.knowledge .f1_list p {
    line-height: 1.3;
    margin-bottom: 0
}

.knowledge .f_item1 {
    text-align: center
}

.knowledge .f_item2 span {
    font-size: 11px;
    margin: 20px auto 25px;
    display: block;
    line-height: 1.3
}

.knowledge .f_item3 p {
    margin-top: 20px
}

.knowledge .f_item4 .f4_1_img {
    margin: 20px 0 10px
}

.knowledge .f_item4 p {
    margin-bottom: 0
}

.knowledge .f_item4 .note {
    font-size: 11px;
    margin-bottom: 30px;
    display: block;
    line-height: 1.3
}

.knowledge .f_item4 .short_desc {
    border-top: 1px solid #000;
    border-bottom: 1px solid #000;
    font-size: 13px;
    padding: 10px 0;
    margin-bottom: 10px
}

.knowledge .know_more {
    background-color: #fccf00;
    padding: 20px;
    text-align: center;
    margin-top: 100px
}

.knowledge .know_more h3,.knowledge .know_more h2 {
    background-color: #dc8f00;
    color: #fff;
    font-size: 28px;
    line-height: 1.5;
    padding: 20px;
    border-radius: 10px
}

.knowledge .know_more h3.k_more_topic,.knowledge .know_more h2.k_more_topic{
    background-color: #fff;
    padding: 0;
    line-height: inherit;
}

.knowledge .k_more_item {
    background-color: #fff;
    border-radius: 10px;
    margin-top: 20px;
    padding: 20px
}

.knowledge .k_more_item h4,.knowledge .k_more_item h3 {
    color: #22ab38;
    font-size: 21px;
    margin-bottom: 20px
}

.knowledge .k_more_item p {
    text-align: left;
    line-height: 1.3
}

@media (max-width:737px) {
    #main .is_pc {
        display: none
    }

    #main .is_sp {
        display: block
    }

    .page #main .page_title {
        font-size: 4.84vw;
        padding: 2vw 3vw;
        text-align: center;
        margin: 5vw 2%;
        border-width: 3px;
    }

    .knowledge p {
        font-size: 3.6vw
    }

    .knowledge .feature_head,.knowledge .intro {
        width: 94%;
        margin: 0 auto
    }

    .knowledge .intro h3 {
        font-size: 4.8vw;
        margin-bottom: 2vw
    }

    .knowledge .intro p {
        margin-bottom: 3.5vw;
        line-height: 1.3;
        text-align: left
    }

    .knowledge .intro .first_desc {
        text-align: center
    }

    .knowledge .f_item2 span,.knowledge .intro .atn span {
        font-size: 2.4vw
    }

    .knowledge .feature p {
        line-height: 1.3
    }

    .knowledge .feature .emphasis {
        font-size: 4.4vw;
        line-height: 1.3
    }

    .knowledge .f_content {
        width: 100%
    }

    .knowledge .feature_item {
        margin-bottom: 8vw
    }

    .knowledge .feature_item>h3,.knowledge .feature_item>h2 {
        padding: 2vw 0 2vw 22vw;
        font-size: 5.2vw;
        background-size: 20vw;
        height: auto;
        min-height: 18vw;
        border-width: .2vw;
        letter-spacing: -.4vw;
        margin-bottom: 7vw
    }

    .knowledge .feature_item .f1_bottom {
        line-height: 1.3;
        width: 94%;
        margin: 0 auto
    }

    .knowledge .f1_list {
        width: 100%;
        margin: 1vw auto 5vw
    }

    .knowledge .f1_list li {
        padding: 4vw 0
    }

    .knowledge .f1_list h4,.knowledge .f1_list h3 {
        font-size: 4.4vw;
        width: 94%;
        margin: 0 auto 2vw;
        border-width: .8vw;
        padding-left: 1vw
    }

    .knowledge .emp_head,.knowledge .f1_list p,.knowledge .f_content_inner {
        width: 94%;
        margin: 0 auto
    }

    .knowledge .f_item1 .emphasis {
        line-height: 1.3
    }

    .knowledge .f_item2 span {
        width: 94%
    }

    .knowledge .f_item3>h3,.knowledge .f_item3>h2 {
        margin-bottom: 3vw
    }

    .knowledge .f_item4 .f4_1_img {
        margin: 4vw 0
    }

    .knowledge .f_item4 .f4_2_img {
        margin: 5vw 0 3vw
    }

    .knowledge .f_item4 .atn {
        margin-top: 2vw
    }

    .knowledge .f_item4 p {
        margin-bottom: 1em
    }

    .knowledge .f_item4 .short_desc {
        font-size: 3.0666666667vw;
        padding: 2.5vw 0;
        margin-bottom: 2.5vw
    }

    .knowledge .know_more {
        margin: 3vw auto 0;
        width: 94%;
        padding: 2vw
    }

    .knowledge .know_more h3,.knowledge .know_more h2 {
        font-size: 4.6666666667vw;
        padding: 2vw;
        border-right: 1vw;
        line-height: 1.3
    }

    .knowledge .k_more_item {
        margin-top: 2vw;
        padding: 3vw
    }

    .knowledge .k_more_item h4,.knowledge .k_more_item h3 {
        padding: 0;
        font-size: 4.4vw;
        margin-bottom: 2vw;
        padding: 0;
        padding-top: 1vw;
        background-color: #fff;
        line-height: inherit;
    }
    .knowledge .k_more_item h3.caption {
        padding: 0;
        font-size: 4.4vw;
        margin-bottom: 2vw;
        padding: 0;
        padding-top: 1vw;
        background-color: #fff;
        line-height: inherit;
    }
}