* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: PingFang SC, Microsoft Yahei, SimHei, sans-serif;
}

p {
    margin: 0;
}

ul {
    margin: 0;
    padding: 0;
}

.header {
    width: 100%;
    height: 390px;
    position: relative;
    padding-top: 129px;
    box-sizing: border-box;
    background-image: linear-gradient(-216deg, #5A97FF 0%, #41B9FF 100%);
    overflow: hidden;
}

.hedear_title_wrap {
    width: 332px;
    margin: auto;
    padding-left: 6px;
    padding-right: 6px;
}

.header .back {
    position: absolute;
    top: 0%;
    display: inline-block;
    /* width: 1920px; */
    /* max-width: 1920px; */
    width: 100%;
    min-width: 1200px;
    animation: caseSelectionMove 50s linear 0s infinite;
}

.hedear_title_wrap .title {
    font-size: 48px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    margin-bottom: 20px;
}

.hedear_title_wrap .description {
    font-size: 16px;
    line-height: 28px;
    color: #FFFFFF;
    letter-spacing: 0;
    text-align: center;
    padding-bottom: 20px;
}

@keyframes caseSelectionMove {
    0% {
        top: 0px;
    }
    100% {
        top: -1239px;
    }
}

.middle {
    width: 100%;
    padding-bottom: 40px;
}

.middle .cases_item {
    width: 100%;
}

.middle .cases_item .name {
    background-color: white;
    width: calc(100% - 48px);
    padding-left: 2%;
    padding-right: 2%;
    margin: auto;
}

.middle .cases_item .name p {
    /*width: 320px;*/
    margin: auto;
    /* padding-left: 6px; */
    /* padding-right: 6px; */
    border-bottom: 1px solid #EEEEEE;
    line-height: 58px;
    color: #272C2F;
    position: relative;
    font-size: 16px;
    font-weight: 500;
}

.middle .cases_item .name i {
    position: absolute;
    right: 0;
    top: 22px;
    width: 14px;
    height: 14px;
    background-size: 100%;
}

.middle .cases_item .drop {
    background-image: url(/assets/images/wechatStation/open.svg);
}

.middle .cases_item .on .drop {
    background-image: url(/assets/images/wechatStation/retract_n.svg);
}

.middle .cases_item .content {
    display: none;
    overflow-y: hidden;
    background-color: #EEEEEE;
    padding-bottom: 20px;
}

/*.middle ul .cases_item .spread{
    height: auto;
}*/

.middle .cases_item .content .container {
    background-color: white;
    border-radius: 6px;
    width: 332px;
    margin: auto;
    padding: 24px;
    margin-top: 28px;
    margin-bottom: 20px;
}

.cases_item .content .title {
    font-size: 17px;
    color: #272C2F;
}

.cases_item .content .logo {
    display: block;
    width: 271px;
    height: 60px;
    margin-top: 16px;
    margin-bottom: 20px;
}

.cases_item .content .logo img {
    width: 100%;
}

.cases_item .content .description {
    font-size: 16px;
    color: #272C2F;
    line-height: 28px;
}

/*案例内容收起按钮*/

.cases_item .packUp {
    width: 80px;
    margin: auto;
}

.cases_item .packUp p {
    font-size: 16px;
    color: #007FDF;
    line-height: 20px;
    text-align: center;
}

.cases_item .packUp i {
    margin: auto;
    display: block;
    width: 14px;
    height: 14px;
    margin-bottom: 5px;
}

.cases_item .packUp i img {
    width: 100%;
    height: 100%;
}