.interaction_section1 {
    padding-top: calc(10px + 5.72vw);

}

.interaction_section1 .s-item.lr {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    background-color: #fff;
    position: relative;
}
.interaction_section1 .s-item.lr::after,
.interaction_section1 .s-item.lr::before{
    content: "";
    position: absolute;
    background-color: var(--theme-color);
}

.interaction_section1 .s-item.lr::before{
    left: -10px;
    top: -10px;
    width: 10px;
    height: 120px;
}

.interaction_section1 .s-item.lr::after{
    left: -10px;
    top: -10px;
    width: 120px;
    height: 10px;
}


.interaction_section1 .s-item.lr .img-box,
.interaction_section1 .s-item.lr .txt-box {
    width: 50%;
}

.interaction_section1 .s-item.lr .img-box {
    height: 0;
    padding-top: 28.125%;
    flex-shrink: 0;
    overflow: hidden;
    position: relative;
}

.interaction_section1 .s-item.lr .img-box img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;

    transition: all .35s ease;
    -webkit-transition: all .35s ease;
    -moz-transition: all .35s ease;
    -ms-transition: all .35s ease;
    -o-transition: all .35s ease;
}


.interaction_section1 .s-item.lr:hover img {
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -o-transform: scale(1.1);
}

.interaction_section1 .s-item.lr .txt-box {
    padding-left: calc(10px + 2.6vw);
}

.interaction_section1 .s-item.lr .txt-box p {
    font-size: var(--font-size18);
    line-height: 1.77;
    /* margin-top: 20px; */
    margin-top: calc(10px + 0.52vw);
}

.interaction_section2 {
    margin-top: calc(10px + 2.6vw);
    margin-bottom: calc(10px + 2.6vw);
}

.interaction_section2 .card_list {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    flex-wrap: wrap;

}

.interaction_section2 .card {
    width: calc(25% - 18px);
    display: flex;
    justify-content: flex-start;
    align-items: center;
    text-align: center;
    flex-direction: column;
    background: #F5F8FD;
    align-self: stretch;
    /* padding-top: 65px; */
    /* padding-bottom: 50px; */
    padding-top: calc(10px + 2.86vw);
    padding-bottom: calc(10px + 2.08vw);
    border: 2px solid transparent;
    transition: all .35s ease;
    -webkit-transition: all .35s ease;
    -moz-transition: all .35s ease;
    -ms-transition: all .35s ease;
    -o-transition: all .35s ease;
    cursor: pointer;
}

.interaction_section2 .card .txt_box {
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: column;
}

.interaction_section2 .card .txt_box h3 {
    font-size: var(--font-size18);
}

.interaction_section2 .card .txt_box h2 {
    font-size: var(--font-size24);
    color: var(--theme-color);
    margin-top: 14px;
}

.interaction_section2 .card .icon_box {
    width:68px;
    height: 72px;
    margin-bottom: calc(10px + 1.04vw);
}
.interaction_section2 .card .icon_box img{
    max-width: 100%;
    transition: all .35s ease;
    -webkit-transition: all .35s ease;
    -moz-transition: all .35s ease;
    -ms-transition: all .35s ease;
    -o-transition: all .35s ease;
}

.interaction_section2 .card .theme_btn {
    width: 120px;
    height: 36px;
    margin-top: 20px;
    font-size: 12px;
    transition: all .4s ease;
    -webkit-transition: all .4s ease;
    -moz-transition: all .4s ease;
    -ms-transition: all .4s ease;
    -o-transition: all .4s ease;
}

.interaction_section2 .card:hover {
    background: linear-gradient(45deg, #EFF4FB, #FFFFFF);
    box-shadow: 0px 10px 30px 0px rgba(21, 93, 249, 0.05);
    border-color: #FFFFFF;
}
.interaction_section2 .card:hover .theme_btn{
    box-shadow: 0px 10px 30px 0px rgba(16,140,238,0.3);
    color: #fff;
}
.interaction_section2 .card:hover .icon_box img{
    transform: translateY(-10px);
    -webkit-transform: translateY(-10px);
    -moz-transform: translateY(-10px);
    -ms-transform: translateY(-10px);
    -o-transform: translateY(-10px);
}


.interaction_section3{
    color: #4E5866;

}
.interaction_section3 .container .section3_con{
    background: url("../images/interaction_section3_bg.jpg") no-repeat center ;
    background-size: cover;
    padding: calc(10px + 2.6vw);
    line-height: 1.6;

}
.interaction_section3 .s_title{
    font-size: var(--font-size24);
    border-bottom: 1px solid rgba(0, 0, 0, .1);
    margin-bottom: calc(10px + 1.3vw);
    padding-bottom: calc(10px + 0.67vw);

}
.interaction_section3 .txt_info h2,
.interaction_section3 .txt_info {
    font-size: 1rem;
}
.interaction_section3 .txt_info p{
    margin-left: 2rem;
}
.interaction_section3 .txt_info h2{
    margin: calc(10px + 0.41vw) 0;
}


/* .interaction_section4  */
.interaction_section4{
    /* padding-top: 108px; */
    /* padding-bottom: 108px; */

    padding-top: calc(10px + 5.1vw);
    padding-bottom: calc(10px + 5.1vw);

}

.interaction_section4 .card_title{
    font-size: var(--font-size48);
    text-align: center;
    margin-bottom: calc(10px + 2.6vw);
    padding-bottom: calc(10px + 1.3vw);

}
.interaction_section4 .s_list {
    display: flex;

    padding: calc(10px + 1.56vw) calc(10px + 5.72vw);

    border: 1px solid #E6E6E6;
    max-height: 922px;

    overflow: hidden;
    overflow-y: auto;
}
.interaction_section4 .s_list .s_item{
    width: 33.3333%;
    padding: 20px 12px;


}

.interaction_section4 .s_list a {
    border-radius: 10px;
    background-color: #fff;
    overflow: hidden;
    box-shadow: 0px 10px 30px 0px rgba(0,0,0,0.08);
    width: 100%;

}
.interaction_section4 .s_list a h3,
.interaction_section4 .s_list a h2,
.interaction_section4 .s_list a{
    font-size: var(--font-size20);

}

.interaction_section4 .s_list .txt_box{
    background: #EFF4FB;
    line-height: 1.6;
    height:8em;
}
.interaction_section4 .s_list a h2{
    color: var(--theme-color);
    margin-bottom: calc(10px + 0.52vw);
}

.interaction_section4 .s_list .txt_box{
    font-size: var(--font-size18);
    padding: calc(10px + 1.56vw) calc(10px + 1.56vw) 0 calc(10px + 1.56vw);
}
.interaction_section4 .s_list .date_box{
    padding: calc(10px + 1.45vw ) calc(10px + 1.56vw) calc(10px + 1.3vw) calc(10px + 1.56vw);
}
.interaction_section4 .s_list .date_box h3{
    opacity: .5;
    /* margin-bottom: 19px; */
    margin-bottom: calc(10px + 0.46vw);
}
.interaction_section4 .s_list .date_box p{
    font-size: var(--font-size18);
}
@media (max-width: 1024px) {
    .interaction_section2 .card {
        width: calc(25% - 10px);

    }
    .interaction_section2 .card .icon_box img{
        transform: scale(.8);
        -webkit-transform: scale(.8);
        -moz-transform: scale(.8);
        -ms-transform: scale(.8);
        -o-transform: scale(.8);
}
.interaction_section4 .s_list .s_item{
    padding: 10px 8px;
}
.interaction_section4 .s_list{
    padding-left: 1rem;
    padding-right: 1rem;
    max-height: 650px;
}
}


@media (max-width: 768px) {
    .interaction_section1 .s-item.lr{
        flex-direction: column;
    }
    .interaction_section1 .s-item.lr .img-box, .interaction_section1 .s-item.lr .txt-box{
        width: 100%;

    }
    .interaction_section1 .s-item.lr .txt-box{
        padding-left: 0;

    }
    .interaction_section1 .s-item.lr .img-box{
        padding-top: 52%;
    }

    .interaction_section1 .s-item.lr::before{
        width: 4px;
        left: -4px;
        top: -4px;
        height: 80px;
    }
    .interaction_section1 .s-item.lr::after{
        width: 80px;
        height: 4px;
        left: -4px;
        top: -4px;
    }
    .interaction_section2 .card{
        width: calc(50% - 5px);
        margin: .4rem 0;
    }
    .interaction_section2 .card .icon_box{
        width: 54px;
        height: 57px;
    }

    .interaction_section4 .s_list .s_item{
        width: 50%;

    }
    .interaction_section4 .s_list{
        max-height: 580px;
    }

}
@media (max-width: 500px) {
    .interaction_section4 .s_list .s_item{
        width: 100%;

    }
    .interaction_section2 .card .txt_box h3{
        font-size: 1rem;
    }
}