.case_content{padding-bottom:100px;width:100%}.case_content .bannar{display:block;height:auto;margin:auto;padding:0;width:100%}.case_content .case_content_box{margin:auto;position:relative;width:1200px}.case_content .case_content_box .to_pic{height:278px;position:absolute;right:0;top:1154px;width:328px}.case_content .case_content_box .case_content_title{color:#222;font-family:PingFang SC;font-size:32px;font-weight:700;line-height:45px;padding-top:100px;text-align:center}.case_content .case_content_box .case_content_sub{color:#222;font-family:PingFang SC;font-size:18px;font-weight:400;height:61px;line-height:36px;margin:24px auto auto;width:800px}.case_content .case_content_box .case_item_box{display:flex;margin:45px auto 24px;width:1200px}.case_content .case_content_box .case_item_box .case_item{display:block;height:320px;margin-right:22px;vertical-align:top;width:282px}.case_content .case_content_box .case_item_box .case_item.no_margin_right{margin-right:0}.case_content .case_content_box .case_text{margin:auto;width:1200px}.case_content .case_content_box .case_text .case_text_title{color:#222;font-family:PingFang SC;font-size:26px;font-weight:700;line-height:37px;padding-bottom:12px;padding-top:60px}.case_content .case_content_box .case_text .case_text_txt{color:#222;font-family:PingFang SC;font-size:18px;font-weight:400;line-height:36px}.case_content .case_content_box .case_text .case_text_txt .case_icon{height:18.02px;vertical-align:middle;width:20.88px}