@media screen and (max-width: 850px) {
    .knowledge_title{
    	display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: #b44c97;
    }

    .knowledge_title h1{
    	color: #b44c97;
        font-size: 6vw;
        background-color: #FFF;
        width: 100%;
        height: 10vw;
        display: flex;
        justify-content: center;
        align-items: center;
        font-weight: bold;
    }
    .attention{
        margin-top: 10vw;
        text-align: center;
        padding: 0 15vw;
    }
    .category_flex_box{
        display: flex;
        justify-content: space-evenly;
        margin:5vw 0;
    }
    .category_flex_box a{
        color: #000;
    }
    .category_flex_box a:visited{
        color: black;
    }
    .knowledge_title img{
    	height: 25vw;
    }
    .knowledge_intro_detail{
        margin: 8vw 5vw;
    }
    .knowledge_category_imgbox{
        border:0.3vw solid #881718;
        width: 44vw;
        height:31.3vw;
    }
    .knowledge_category_imgbox2{
        border:0.3vw solid #001C58;
        width: 44vw;
        height:31.3vw;
    }
    .knowledge_category_imgbox img{
        width: 44vw;
    }
    .knowledge_category_imgbox2 img{
        width: 44vw;
    }
    .knowledge_category_box h2{
        border-bottom: 0.5vw solid #881718;
        width: 44vw;
        font-size:5vw;
        padding: 3vw 0 0.5vw 0;
    }
    .knowledge_category_box2 h2{
        border-bottom: 0.5vw solid #001C58;
        width: 44vw;
        font-size:5vw;
        padding: 3vw 0 0.5vw 0;
    }
    .knowledge_category_box p{
        width: 44vw;
        margin: 2vw 0;
    }
    .knowledge_category_box2 p{
        width: 44vw;
        margin: 2vw 0;
    }
    .other_knowledge{
        background-color: #b44c97;
        display: flex;
        justify-content: center;
        width: 90vw;
        align-items: center;
        margin: 0 auto;
        height: 13vw;
        margin-bottom: 20vw;
        color: #FFF;
        font-size: 5.5vw;
    }
    .triangle_border {
        margin-left: 6vw;
        border: 0.6vw solid #FFF;
        border-radius: 50%;
        padding: 1.3vw;
    }
    .div_triangle {
        width: 0;
        height: 0;
        margin-left: 1vw;
        border-left: 5vw solid #FFF;
        border-top: 3vw solid transparent;
        border-bottom: 3vw solid transparent;
    }

}

@media screen and (min-width: 850px) {
    a{
        color:#000;
    }
    .knowledge_title{
        display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: #b44c97;
    }

    .knowledge_title h1{
        color: #b44c97;
        font-size: 30px;
        height: 100px;
        background-color: #FFF;
        width: 100%;
        display: flex;
        justify-content: center;
        align-items: center;
        font-weight: bold;
    }
    .attention{
        text-align: center;
        font-size: 19px;
        margin: 20px;
    }

    .category_flex_box{
        display: flex;
        justify-content: space-evenly;
        margin: 0 auto;
        color: #000;
    }
    .category_flex_box a:visited{
        color: black;
    }
    #knowledge_category{
        width: 950px;
        margin: 0 auto;
    }
    .knowledge_title img{
        height: 180px;
    }
    .knowledge_intro_detail{
        width: 900px;
        margin: 50px auto;
        font-size: 21px;
    }
    .knowledge_category_imgbox{
        border: 3px solid #881718;
        width: 350px;
        /* height:31.3vw; */
        background-color: #881718;
    }
    .knowledge_category_imgbox2{
        border: 3px solid #001C58;
        width: 350px;
        background-color: #001C58;
    }
    .knowledge_category_imgbox img{
        width: 350px;
        position: relative;
        top: 2.5px;
    }
    .knowledge_category_imgbox2 img{
        width: 350px;
        position: relative;
        top: 2px;
    }
    .knowledge_category_box h2{
        border-bottom: 3px solid #881718;
        width: 350px;
        font-size: 26px;
        padding: 15px 0px 5px 0;
    }
    .knowledge_category_box2 h2{
        border-bottom: 3px solid #001C58;
        width: 350px;
        font-size: 26px;
        padding: 15px 0px 5px 0px;
    }
    .knowledge_category_box p{
        width: 350px;
        margin: 5px 0;
        margin-bottom: 35px;
        font-size: 19px;
    }
    .knowledge_category_box2 p{
        width: 350px;
        margin: 5px 0;
        font-size: 19px;
    }
    .other_knowledge{
        background-color: #b44c97;
        display: flex;
        justify-content: center;
        width: 526px;
        margin: 25px auto;
        height: 60px;
        align-items: center;
        font-size: 28px;
        color: #FFF;
    }
    .triangle_border {
        margin-left: 30px;
        border: 4px solid #FFF;
        border-radius: 50%;
        padding: 6px;
    }
    .div_triangle {
        width: 0;
        height: 0;
        margin-left: 5px;
        border-left: 20px solid #FFF;
        border-top: 10px solid transparent;
        border-bottom: 10px solid transparent;
    }
    .other_knowledge:hover{
        transition: .1s;
        background-color: #98d98e;
    }
}