body { /*background-color: olivedrab;*/ }

.WRAPPER .guan_nav * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.WRAPPER .guan_nav {
    /* 要把 WRAPPER 的 overflow 拿掉*/
    position: sticky;
    top: 0px;
    box-sizing: border-box;
}

.WRAPPER .new_tag {
    color: white;
    background-color: #3b60c1cc;
    padding: 0 0.4rem 0.1rem;
    margin: 0 0 0 1rem;
    border-radius: 3px;
    text-transform: capitalize;
    
}

.WRAPPER .tab h5{
    font-weight: bolder;
    color: #0032a1;
    font-size: 1rem;
}

.WRAPPER .tab ul a {
    display: block;
    text-decoration: none;
    color: black;
    white-space: nowrap;
    letter-spacing: 0.05rem;    
}

.WRAPPER .tab ul a li{
    display: inline-block;
}


@media screen and (min-width : 768px){

    .WRAPPER .logo{
        position: relative;
        text-align: center;
        background-color: black;
    }

    .WRAPPER .tab_title_box {
        display: flex;
        justify-content: space-around;
        align-items: stretch;
        padding:1.6rem 25rem;
        background-color: #f3f3f3;
        letter-spacing: 0.1rem;
    }

    .WRAPPER .tab_title_box .tab_title {
        position: relative;
		color: #000000;
		cursor: pointer;
    }

    .WRAPPER .tab_title_box .tab_title::after {
        display: block;
        content: "";
        width: 0;
        height: 3px;
        background-color: black;
        transition: width 0.3s ease-out;
        position: absolute;
        bottom: -7px;
        left: 50%;
        transform: translateX(-50%); 
    }

    .WRAPPER .tab_title_box .tab_title.active::after {
        display: block;
        content: "";
        width: 100%;
        height: 3px;
        background-color: black;
        transition: width 0.3s ease-out;
        position: absolute;
        bottom: -7px;
        left: 50%;
        transform: translateX(-50%);        
    }    

    .WRAPPER .tab_box {
        display: none;
        flex-flow: row wrap;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 1rem 10rem 3rem;
        text-align: left;
        background-color: white;
        bottom: 0;

        height: 0;
        visibility: hidden;
        overflow: hidden;
        opacity: 0;
        transition: display 0 linear, opacity 0.3 linear;
    }

    .WRAPPER .tab_box.active {
        display: flex;
        height: auto;
        visibility: visible;
        overflow: hidden;
        opacity: 1;
        transition: display 0 linear, opacity 0.3 linear;
    }

    .WRAPPER .tab {
        flex-basis: calc(100%/4);
        padding-top: 1rem;
    }

    .WRAPPER .tab h5 {
        padding: 0 0 0.5rem 1rem;
		cursor: pointer;
    }
    .WRAPPER .tab ul a {
        padding: 0.5rem 0 0.5rem 1rem;
    }

    .WRAPPER .tab ul a:hover {
        background-color: #f3f3f3;
    }
}


@media screen and (max-width : 767px){

    .WRAPPER .logo{
        padding: 0 4rem;
        text-align: center;
        background-color: black;
    }

    .WRAPPER .tab_title_box {
        display: flex;
        overflow-x: auto;
        padding: 0.6rem 1rem;
        background-color: #f3f3f3;
    }

    .WRAPPER .tab_title_box .tab_title {
        position: relative;       
    }

    .WRAPPER .tab_title_box .tab_title::after {
        display: block;
        content: "";
        width: 0%;
        height: 1vw;
        background-color: black;
        transition: width 0.3s ease-out;
        position: absolute;
        bottom: -2.5vw;
        left: 50%;
        transform: translateX(-50%);        
    }    

    .WRAPPER .tab_title_box .tab_title.active::after {
        display: block;
        content: "";
        width: 100%;
        height: 1vw;
        background-color: black;
        transition: width 0.3s ease-out;
        position: absolute;
        bottom: -2.5vw;
        left: 50%;
        transform: translateX(-50%);        
    }    

    .WRAPPER .tab_title_box::-webkit-scrollbar {
        display: none;
    }


    .WRAPPER .tab_title_box .tab_title {
        white-space: nowrap;
        padding: 0 0.8rem;
    }

    .WRAPPER .tab_box {
        position: relative;
        display: block;
        overflow: hidden;
        flex-wrap: wrap;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 0rem;
        text-align: left;
        background-color: white;
        height: 0;
        opacity: 0;
    }

    .WRAPPER .tab_box.active {
        display: block;
        height: auto;
        opacity: 1;
        transition: opacity 0.3s linear
    }
    
    .WRAPPER .tab {
        width: 100%; 
        padding: 0.4rem 1rem;
        border-block-end: #dddddd 0.3vw solid;
    }
     

    .WRAPPER .tab ul {
        display: block;
        visibility: hidden;
        overflow: hidden;
        height: 0;
        opacity: 0;
    }

    .WRAPPER .tab ul.active {
        display: block;
        visibility: visible;
        overflow: hidden;
        height: auto;
        opacity: 1;
        transition: opacity 0.3s ease-in-out;
        margin-top: 0.2rem;        
    }

    .WRAPPER .tab ul a {
        padding: 0.25rem 0;
        margin: 0.5rem auto; 
    }    

}