.wow {
    animation: fadeIn 1.5s both;
    -webkit-animation: fadeIn 1.5s both;
    animation-duration: 1s;
    -webkit-animation-duration: 1s
}

.delay1 {
    animation-delay: 0.5s;
    -webkit-animation-delay: 0.5s
}

.delay2 {
    animation-delay: 1.0s;
    -webkit-animation-delay: 1.0s
}

#articleInfo15 .tit {
    position: relative;
    z-index: 2;
    margin-bottom: 20px;
}

#articleInfo15 .tit h3 {
    font-size: 25px;
    background: var(--primary);
    text-align: center;
    color: var(--white);
    padding: 10px 0;
    margin-bottom: 30px;
    font-weight: 600;
    font-family: "Noto Serif TC", sans-serif;
    letter-spacing: 3.5px;
}

#articleInfo15 .tit p {
    -webkit-transition: all 0.5s ease;
    -moz-transition: all 0.5s ease;
    -ms-transition: all 0.5s ease;
    -o-transition: all 0.5s ease;
    transition: all 0.5s ease;
    font-size: 20px;
    letter-spacing: 2px;
    position: relative;
    font-weight: 500;
    padding-bottom: 20px;
}

#articleInfo15 .tit p:before {
    content: '-';
    margin-right: 5px
}

#articleInfo15 .tit p b {
    font-weight: 400;
    display: block;
    letter-spacing: 0;
    font-size: 16px;
    color: var(--primary)
}

#articleInfo15 ul {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    margin: 40px;
}

#articleInfo15 ul.six li {
    width: calc((100%/4) - 17px);
    animation-name: fadeInUp;
    -webkit-animation-name: fadeInUp;
    border: 1px solid #e2e2e2;
    position: relative;
    margin: 10px 20px 10px 0;
    /* height: 330px; */
}


#articleInfo15 ul.six li:last-child:after {
    display: none
}

#articleInfo15 ul.six li:nth-child(4n) {
    margin-right: 0;
}

#articleInfo15 ul.six li:hover {
    border: 1px solid var(--primary)
}

#articleInfo15 ul li:hover:before {
    background-color: var(--primary)
}

#articleInfo15 ul li .item {
    margin: 10px;
    position: relative;
    background: #f1f1f1;
    padding: 30px 17px;
    z-index: 2;
    height: 330px;
}

#articleInfo15 ul li:hover .item {
    background: var(--primary);
}

#articleInfo15 ul li:hover .item * {
    color: #fff
}

#articleInfo15 ul li:hover .item:after {
    content: '';
    background-image: url(/images/40/img-bg.jpg);
    background-size: 100%;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    opacity: .5
}

#articleInfo15 ul li .item .circle {
    position: relative;
    margin: 0 auto 15px;
    width: 50px;
    height: 50px
}

#articleInfo15 ul li:hover .item .circle {
    -webkit-filter: contrast(0) brightness(150%);
    filter: contrast(0) brightness(200%)
}

#articleInfo15 ul li .item:hover .circle {
    animation: flipInX 1.5s both;
    -webkit-animation: flipInX 1.5s both;
    animation-duration: 1s;
    -webkit-animation-duration: 1s
}

#articleInfo15 ul li .item h2 {
    font-weight: 500;
    font-size: 18px;
    text-align: center;
    line-height: 140%;
    margin-bottom: 5px;
    letter-spacing: 2.5px;
}

#articleInfo15 ul li .item span {
    text-align: center;
    display: block;
    font-weight: 600;
    color: var(--primary);
    font-family: 'Montserrat',sans-serif;
    font-size: 19px;
}

#articleInfo15 ul li .item article {
    font-size: 15px;
    line-height: 160%;
    margin-top: 15px;
    overflow: hidden
}
#articleInfo15 ul li .item p{
    font-size: 12px;
    margin-top: 30px;
    opacity: 0.6;
}

#articleInfo15 .imgBox {
    overflow: hidden
}

#articleInfo15 .imgBox p {
    margin: 0 1% 0 0;
    overflow: hidden;
    float: left;
    width: 49%;
    animation-name: fadeInLeft;
    -webkit-animation-name: fadeInUp
}

#articleInfo15 .imgBox p:nth-child(2) {
    margin: 0 0 0 1%;
    animation-name: fadeInRight;
    -webkit-animation-name: fadeInRight
}

#articleInfo15 .imgBox p:hover img {
    -webkit-transform: rotate(3deg);
    -moz-transform: rotate(3deg);
    -ms-transform: rotate(3deg);
    -o-transform: rotate(3deg);
    transform: rotate(3deg)
}

@media screen and (max-width: 1280px) {
    #articleInfo15 ul.six li,#articleInfo15 ul.six li:nth-child(4n) {
        width:calc((100%/2) - 12px);
        margin: 10px 0
    }
#articleInfo15 ul li .item{
    height: 260px;
}
    #articleInfo15 ul {
        justify-content: space-between;
        margin: 0;
        margin-bottom: 20px;
    }
}

@media screen and (max-width: 640px) {
    #articleInfo15 .tit h3 {
        font-size: 20px;
        padding: 5px 0;
        margin-bottom: 10px;
    }

    #articleInfo15 ul li .item h2 {
        font-size: 21px;
    }

    #articleInfo15 ul.six li:after {
        border-style: solid;
        border-width: 7px 7px 0 7px;
        border-color: var(--primary) transparent transparent transparent;
        right: calc(50% - 7px);
        top: unset
    }

    #articleInfo15 ul.six li,#articleInfo15 ul.six li:nth-child(4n) {
        width: calc((100%/1) - 2px);
        margin: 10px 0
    }
}