.main[data-v-53c91b81]{width:100%;-webkit-box-sizing:border-box;box-sizing:border-box}.top[data-v-53c91b81]{width:120rem;height:16.25rem;margin:0 0 3.625rem;background-image:url(../img/os_iocn_ser@2x.abf21cb6.png);background-size:cover;position:relative}.top-title[data-v-53c91b81]{font-weight:700;font-size:2.125rem;color:#fff;position:absolute;top:4.625rem;left:25.3125rem}.top-text[data-v-53c91b81]{width:68.75rem;font-size:1rem;color:#fff;position:absolute;top:7.625rem;left:25.3125rem}.content[data-v-53c91b81]{width:69.375rem;margin:0 auto 1.3125rem;font-size:1rem;color:#262626}.el-collapse[data-v-53c91b81]{border:0}.el-collapse-item[data-v-53c91b81]{margin-bottom:1.875rem;border:0}.content[data-v-53c91b81] .el-collapse-item__header,.content[data-v-53c91b81] .el-collapse-item__wrap{border:0}.ser-title[data-v-53c91b81]{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;color:#262626;font-weight:700;font-size:1.875rem}.title-icon[data-v-53c91b81]{width:1.875rem;height:1.875rem;margin-right:.9375rem}.ser-video-item[data-v-53c91b81]{margin-top:2.5rem;display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-orient:vertical;-webkit-box-direction:normal;-ms-flex-direction:column;flex-direction:column;-webkit-box-align:center;-ms-flex-align:center;align-items:center;padding:0}.ser-details-img[data-v-53c91b81],.ser-img-div[data-v-53c91b81]{width:46.25rem;position:relative}.ser-video-play[data-v-53c91b81]{width:5.0625rem;height:5.0625rem;position:absolute;left:0;right:0;top:0;bottom:0;margin:auto}