.interact-banner {
    background: url("https://ec3s.oss-cn-beijing.aliyuncs.com/images/interact/banner.jpg");
    width: 100%;
    height: 33.85vw;
    background-size: cover;
}
.banner-title {
    margin-left: 20%;
    padding-top: 13vw;
}
.interact-container {
    padding-top: 3.95vw;
    padding-bottom: 5.2vw;
}
.interact-sub-title {
    font-size: 1.04vw;
    text-align: center;
    margin-top: 3vw;
    line-height: 1.8vw;
    margin-bottom: 5.9vw;
}
.interact-content {
    width: 69.6vw;
    height: 16.9vw;
    margin: 0 auto;
    display: flex;
}
.interact-item {
    width: 20vw;
    background: #fff;
    height: 16.9vw;
    text-align: center;
    box-shadow: #cac8c8 0 0 0.5vw;
    position: relative;
}
.interact-item:not(:last-child) {
    margin-right: 4.68vw;
}
.interact-item img {
    margin: 0 auto;
    padding-top: 2.5vw;
    width: 5.7vw;
}
.interact-flow-title {
    font-weight: 400;
    font-size: 1.25vw;
    margin-top: 2vw;
    margin-bottom: 1vw;
    color: #014e93;
}
.interact-flow-des {
    font-size: 1.04vw;
    display: inline-block;
    text-align: left;
    line-height: 1.8vw;
    padding: 0 2vw;
}
.interact-item:not(:last-child):after {
    content: '';
    position: absolute;
    top: 50%;
    right: -16%;
    background-image: url("https://ec3s.oss-cn-beijing.aliyuncs.com/images/interact/arrow.png");
    background-size: cover;
    width: 1.6vw;
    height: 1.3vw;
}
.activity-container {
    padding-top: 3.95vw;
    padding-bottom: 2vw;
}
.activity-container img {
    margin: 3.95vw auto 0 auto;
}
.value-container {
    background: url("../images/interact/value-bg.jpg");
    width: 100%;
    height: 41.82vw;
    background-size: cover;
    display: flex;
    align-items: center;
}
.value-content {
    margin-left: 60%;
    width: 31.25vw;
}
.value-content .value-big-title {
    color: #fff;
    font-size: 1.875vw;
    font-weight: bold;
}
.value-content ul {
    padding: 0;
}
.value-content li {
    list-style: none;
    margin-top: 3vw;
}
.value-content .value-title {
    border: 1px solid #fff;
    background-color: rgba(255,255,255,0.1);
    width: 8.85vw;
    border-radius: 10px;
    height: 1.98vw;
    text-align: center;
    line-height: 1.98vw;
    color: #fff;
    font-size: 1.04vw;
}
.value-content .value-des {
    padding-top: 1.04vw;
    color: #fff;
    font-size: 1.04vw;
}
.suc-case-item {
    margin-left: 2.86vw;
}
.interact-case-container .suc-case-item img {
    height: 18.64vw;
    width: 10.46vw;
}
@media screen and (min-width:1921px) {
    .interact-banner {
        width: 100%;
        height: 650px;
        position: relative;
        background-position: center;
    }
    .banner-title {
        padding-top: 250px;
    }
    .interact-container {
        padding-top: 75px;
        padding-bottom: 100px;
    }
    .interact-sub-title {
        font-size: 24px;
        text-align: center;
        margin-top: 58px;
        line-height: 35px;
        margin-bottom: 100px;
    }
    .interact-content {
        width: 1338px;
        height: 325px;
        margin: 0 auto;
        display: flex;
    }
    .interact-item {
        width: 385px;
        background: #fff;
        height: 325px;
        text-align: center;
        box-shadow: #cac8c8 0 0 10px;
        position: relative;
    }
    .interact-item:not(:last-child) {
        margin-right: 90px;
    }
    .interact-item img {
        margin: 0 auto;
        padding-top: 48px;
        width: 110px;
    }
    .interact-flow-title {
        font-weight: 400;
        font-size: 24px;
        margin-top: 20px;
        margin-bottom: 20px;
        color: #014e93;
    }
    .interact-flow-des {
        font-size: 20px;
        line-height: 35px;
        padding: 0 40px;
    }
    .interact-item:not(:last-child):after {
        width: 31px;
        height: 25px;
    }
    .activity-container {
        padding-top: 75px;
        padding-bottom: 40px;
    }
    .activity-container img {
        margin: 75px auto 0 auto;
    }
    .value-container {
        height: 803px;
       background-position: center;
    }
    .value-content {
        width: 600px;
    }
    .value-content .value-big-title {
        color: #fff;
        font-size: 36px;
        font-weight: bold;
    }
    .value-content ul {
        padding: 0;
    }
    .value-content li {
        list-style: none;
        margin-top: 57px;
    }
    .value-content .value-title {
        border: 1px solid #fff;
        background-color: rgba(255,255,255,0.1);
        width: 170px;
        border-radius: 10px;
        height: 38px;
        text-align: center;
        line-height: 38px;
        color: #fff;
        font-size: 20px;
    }
    .value-content .value-des {
        padding-top: 20px;
        color: #fff;
        font-size: 20px;
    }
    .suc-case-item {
        margin-left:  55px;
    }
    .interact-case-container .suc-case-item img {
        height: 358px;
        width: 201px;
    }
}