.bg2{background:#f3f3f3;width:100%;overflow:hidden}.navList a{color:#fff}.banner{width:100%;height:369px;overflow:hidden}.banner img{width:1920px;height:369px;position:relative;left:50%;margin-left:-960px}.centerBox{width:281px;height:400px;background:#fff;margin-top:15px;text-align:center;margin-bottom:40px}.navList{width:1200px;height:40px;position:absolute;left:50%;margin-left:-600px;z-index:999;top:80px;color:#fff}.navList span{color:#fff}.qaList{overflow:hidden;margin-top:25px}.qaList li a{font-size:14px;display:block;color:#333;margin-bottom:25px;cursor:pointer;margin-left:55px;width:187px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.qaList li a.on{color:#f74;font-weight:700}.containers{width:894px;margin:20px auto 50px;overflow:hidden;box-sizing:border-box;padding:50px;background:#fff;min-height:600px}.question{font-size:24px;color:#333;font-weight:700;width:1100px;border-bottom:1px solid #f5f5f5;padding-bottom:20px;margin-bottom:30px}.answerBox{width:1100px;box-sizing:border-box;padding:50px;background:#f5f5f5;margin-top:10px}.answerTitle{font-size:18px;color:#333;font-weight:700;padding-bottom:15px;border-bottom:1px solid #f5f5f5;margin-bottom:25px}.answerInfo{font-size:14px;color:#333;margin-bottom:20px;line-height:26px;text-align:justify}.tip{color:#f74}img{margin:0 auto 20px}.leftContainer{width:281px;overflow:hidden;box-sizing:border-box;padding:30px 0;background:#fff;margin-top:20px;margin-bottom:50px}.qaTitle{font-size:18px;color:#f74;font-weight:700;border-left:25px solid #f74;padding-left:15px}.qa2Title{margin-right:18px;font-size:16px;color:#333;font-weight:700;margin-top:30px;margin-left:30px;background:url("../img/kai.png") no-repeat right center;cursor:pointer;margin-bottom:30px}.qa2Title2{margin-right:18px;font-size:16px;color:#333;font-weight:700;margin-top:30px;margin-left:30px;background:url("../img/guan.png") no-repeat right center;cursor:pointer;margin-bottom:30px}.qa-page{background:#f5f5f5}.qa-layout{display:flex;align-items:flex-start;gap:30px;padding:40px 0 60px}.qa-nav{width:240px;flex-shrink:0;background:#fff;box-sizing:border-box;padding:24px 0 32px}.qa-nav-heading{font-size:18px;color:#f74;font-weight:700;border-left:6px solid #f74;padding-left:14px;margin:0 0 8px;line-height:1.4}.qa-nav-section{margin-top:4px}.qa-nav-section-toggle{font-size:15px;color:#333;font-weight:700;padding:12px 36px 12px 20px;background:url("../img/kai.png") no-repeat right 14px center;cursor:pointer;user-select:none}.qa-nav-section-toggle.is-open{background-image:url("../img/guan.png")}.qa-nav-section-list{list-style:none;padding:0;margin:0 0 8px}.qa-nav-link{display:block;font-size:13px;color:#555;padding:7px 12px 7px 28px;line-height:1.5;cursor:pointer;transition:color .15s}.qa-nav-link:hover{color:#f74}.qa-nav-link.active{color:#f74;font-weight:500}.qa-content{flex:1;min-width:0;background:#fff;padding:40px 50px;box-sizing:border-box;min-height:500px}.qa-item{display:none}.qa-item.is-active{display:block}.qa-item-question{font-size:18px;color:#333;font-weight:700;padding-bottom:15px;border-bottom:1px solid #f5f5f5;margin-bottom:25px}.qa-item-answer{font-size:14px;color:#333;margin-bottom:20px;line-height:26px;text-align:justify}.qa-item img{display:block;max-width:100%;margin:0 auto 20px}.qa-answer-highlight{color:#f74}@media screen and (max-width:990px){.qa-layout{gap:20px;padding:30px 0 40px}.qa-nav{width:200px}}@media screen and (max-width:710px){.qa-layout{flex-direction:column;gap:16px;padding:20px 0 30px}.qa-nav{width:100%;padding:16px 0}.qa-nav-section-toggle{padding-left:16px;padding-right:30px}.qa-nav-link{padding-left:20px;white-space:normal}.qa-content{width:100%;padding:24px 16px;min-height:auto}}@media screen and (max-width:374px){.qa-content{padding:16px 12px}.qa-item-question{font-size:16px;margin-bottom:18px}.qa-item-answer{font-size:13px;margin-bottom:14px;line-height:22px}.qa-nav-link{font-size:12px;padding-left:16px}.qa-nav-section-toggle{font-size:13px}}.qa-banner{width:100%;height:369px;background:url(/img/about/about-banner.jpg) no-repeat center center;background-attachment:fixed;background-size:cover;position:relative;overflow:hidden}.qa-flex{display:flex;align-items:flex-start;padding:20px 0 50px;gap:30px}.qa-flex .leftContainer{flex-shrink:0;margin-top:0;margin-bottom:0}.qa-flex .containers{flex:1;min-width:0;margin:20px 0 30px}@media screen and (max-width:990px){.container{width:100%;padding:0 16px;box-sizing:border-box}.navList{width:calc(100% - 32px);left:16px;margin-left:0;box-sizing:border-box}.qa-banner{background-attachment:scroll}.qa-flex{gap:20px}.leftContainer{width:220px}.qaList li a{width:160px}}@media screen and (max-width:710px){.qa-banner{height:240px}.navList{top:50%;transform:translateY(-50%);width:calc(100% - 32px);left:16px;margin-left:0}.qa-flex{flex-direction:column;padding:16px 0 30px;gap:0}.leftContainer{width:100%;padding:16px 0;margin-bottom:0}.qaList li a{width:auto;margin-left:20px;white-space:normal}.qa2Title,.qa2Title2{margin-left:20px;margin-right:10px}.qaTitle{margin-left:4px}.qa-flex .containers{width:100%;margin:0;padding:24px;min-height:auto}}@media screen and (max-width:374px){.qa-banner{height:180px}.navList{left:12px;width:calc(100% - 24px);font-size:12px}.container{padding:0 12px}.qa-flex .containers{padding:16px}.answerTitle{font-size:16px}.answerInfo{font-size:13px;margin-bottom:14px;line-height:22px}.qaList li a{font-size:13px;margin-bottom:18px}}