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

.delay1 {
    animation-delay: .5s;
    -webkit-animation-delay: .5s
}

.delay2 {
    animation-delay: 1s;
    -webkit-animation-delay: 1s
}

#articleStyle24 {
    width: 100%;
    margin: 0 auto
}

#articleStyle24 img {
    width: 100%;
}

#articleStyle24 .essay-first-set,#articleStyle24 .essay-second-set {
    overflow: hidden;
    position: relative
}

#articleStyle24 .essay-first-set {
    padding: 60px 90px;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-content: space-between;
    justify-content: flex-start;
    align-items: flex-start;
}

#articleStyle24 .essay-first-set .pic {
    float: right;
    width: 40%;
    position: relative;
    z-index: 2;
    margin-right: 50px;
}

#articleStyle24 .essay-first-set .pic img {
    position: relative;
    z-index: 2
}

#articleStyle24 .essay-first-set .essay-info {
    width: calc(56% - 50px);
    position: relative;
    z-index: 2
}

#articleStyle24 .essay-first-set .essay-describe h4 {
    position: relative;
    animation-name: fadeInLeft;
    padding-bottom: 30px;
}

#articleStyle24 .essay-first-set .essay-describe h4 b {
    font-weight: 400;
    display: inline-block;
    font-size: 18px;
    text-align: justify;
}

#articleStyle24 .essay-first-set .essay-describe h4:after {
    content: '';
    display: block;
    width: 80px;
    height: 1px;
    background-color: var(--complement);
    position: absolute;
    bottom: -15px;
    left: 0
}
#articleStyle24 .essay-first-set .essay-describe h2 {
    margin: 0px 0 15px;
    font-size: 30px;
    animation-name: fadeInLeft;
    color: var(--complement);
}
#articleStyle24 .essay-first-set .essay-describe h3 {
    margin: 40px 0 15px;
    font-size: 22px;
    animation-name: fadeInLeft;
    color: var(--complement);
}

#articleStyle24 .essay-second-set {
    margin-top: 80px
}

#articleStyle24 .essay-second-set .pic {
    float: left;
    width: calc(100% - 600px)
}

#articleStyle24 .essay-second-set .pic ul {
    list-style: none;
    overflow: hidden;
    text-align: center
}

#articleStyle24 .essay-second-set .pic ul li {
    width: calc(50% - 10px);
    float: left;
    margin: 0 5px 10px;
    animation-name: fadeInLeft
}

#articleStyle24 .essay-second-set .essay-info {
    float: right;
    width: 500px;
    border-left: 4px solid #fa723d;
    padding-left: 50px;
    animation-name: fadeInUp
}

#articleStyle24 .essay-second-set .essay-describe {
    margin: 10px 0
}

#articleStyle24 .essay-second-set .essay-describe h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: #383737
}

#articleStyle24 .txtF {
    line-height: 180%;
    text-align: justify;
}

#articleStyle24 ul {
    overflow: hidden;
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
}

#articleStyle24 ul li {
    width: calc(100%/4);
    animation-name: fadeInUp;
    -webkit-animation-name: fadeInUp
}

#articleStyle24 ul li .item {
    padding: 20px 30px
}

#articleStyle24 ul li .item .circle {
    position: relative;
    margin: 0 auto 15px;
    width: 165px;
    height: 165px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

#articleStyle24 ul li .item .circle img {
    width: 80px;
    height: 80px;
    -webkit-filter: contrast(0) brightness(150%);
    filter: contrast(0) brightness(200%);
}

#articleStyle24 ul li .item:hover .circle {
    animation: flipInX 1.5s both;
    -webkit-animation: flipInX 1.5s both;
    animation-duration: 1s;
    -webkit-animation-duration: 1s
}

@keyframes flipInX {
    0% {
        transform: perspective(400px) rotateX(90deg);
        animation-timing-function: ease-in;
        opacity: 0
    }

    40% {
        transform: perspective(400px) rotateX(-20deg);
        animation-timing-function: ease-in
    }

    60% {
        transform: perspective(400px) rotateX(10deg);
        opacity: 1
    }

    80% {
        transform: perspective(400px) rotateX(-5deg)
    }

    to {
        transform: perspective(400px)
    }
}

@-webkit-keyframes flipInX {
    0% {
        -webkit-transform: perspective(400px) rotateX(90deg);
        -webkit-animation-timing-function: ease-in;
        opacity: 0
    }

    40% {
        -webkit-transform: perspective(400px) rotateX(-20deg);
        -webkit-animation-timing-function: ease-in
    }

    60% {
        -webkit-transform: perspective(400px) rotateX(10deg);
        opacity: 1
    }

    80% {
        -webkit-transform: perspective(400px) rotateX(-5deg)
    }

    to {
        -webkit-transform: perspective(400px)
    }
}

#articleStyle24 ul li .item p {
    text-align: center;
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 20px;
}

@media screen and (max-width: 1680px) {
    #articleStyle24 .essay-first-set .pic {
        width:50%
    }

    #articleStyle24 .essay-first-set .essay-info {
        width: calc(50% - 100px);
        margin-top: 0px;
    }
}

@media screen and (max-width: 1280px) {
    #articleStyle24 .essay-second-set .essay-info {
        width:350px;
        padding-left: 45px
    }

    #articleStyle24 .essay-second-set .pic {
        width: calc(100% - 450px)
    }

    #articleStyle24 .essay-second-set .pic ul li {
        width: 100%
    }
}

@media screen and (max-width: 1024px) {
    #articleStyle24 ul li .item {
        padding:20px 10px;
    }

    #articleStyle24 .essay-first-set .pic {
        width: 100%;
        margin-right: 0;
    }
#articleStyle24 .essay-first-set{
    padding: 0px 0px;
}
    #articleStyle24 .essay-first-set .essay-info {
        width: 100%;
        margin-top: 50px
    }

    #articleStyle24 .essay-first-set .pic:after {
        display: none
    }
}

@media screen and (max-width: 768px) {
    #articleStyle24 ul li {
        width: calc(100%/2);
    }

    #articleStyle24 .essay-second-set .essay-info {
        width: 100%;
        padding: 0;
        border: 0
    }

    #articleStyle24 .essay-second-set .pic {
        width: 100%
    }

    #articleStyle24 .essay-second-set {
        margin-top: 0
    }
}

@media screen and (max-width: 480px) {
    #articleStyle24 ul li .item article {
        margin:0;
    }

    #articleStyle24 .essay-first-set .essay-describe h4 b {
        font-size: 1rem
    }

    #articleStyle24 .essay-first-set .essay-describe h3 {
        margin: 50px 0 20px
    }

    #articleStyle24 .essay-first-set .essay-describe h4:after {
        bottom: -10px
    }
}
