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var(--ui-width));font-family:SourceHanSansCN-Medium;font-weight:500}@media screen and (min-width: 1024px){.home .business .duo-business .duo-business-school-btn{width:calc(3440rem / var(--ui-width));height:calc(780rem / var(--ui-width));margin-top:calc(200rem / var(--ui-width));margin-bottom:calc(1200rem / var(--ui-width));border-radius:calc(40rem / var(--ui-width));font-size:calc(200rem / var(--ui-width))}}.rule-page{padding-top:calc(600rem / var(--ui-width));color:#333;text-align:left;background-color:#fff}.rule-page-title{font-family:SourceHanSansCN-Heavy;font-size:calc(560rem / var(--ui-width));line-height:calc(800rem / var(--ui-width));margin-bottom:calc(300rem / var(--ui-width));color:#111}.rule-page-lead{max-width:calc(12000rem / var(--ui-width));margin:0 auto calc(600rem / var(--ui-width));color:#555;line-height:1.7;text-align:left}.rule-page-section{max-width:calc(12000rem / var(--ui-width));margin:0 auto calc(500rem / var(--ui-width))}.rule-page-section h2{font-family:SourceHanSansCN-Bold;font-size:calc(320rem / var(--ui-width));line-height:calc(480rem / var(--ui-width));margin-bottom:calc(200rem / var(--ui-width));color:#222}.rule-page-section p{color:#666;line-height:1.8;margin-bottom:calc(160rem / var(--ui-width))}@media screen and (min-width: 1024px){.rule-page{padding-top:calc(400rem / var(--ui-width))}.rule-page-title{font-size:calc(480rem / var(--ui-width));line-height:calc(700rem / var(--ui-width))}.rule-page-section h2{font-size:calc(240rem / var(--ui-width));line-height:calc(360rem / var(--ui-width))}}.home .product .duo-product .duo-product-card{width:100%;box-sizing:border-box;align-self:stretch}.home .lingshixiaodian{width:100vw;aspect-ratio:.522;background:50% / 101% url(/assets/lingshixiaodian_mobile-CGk2ap8a.png) no-repeat}@media screen and (min-width: 1024px){.home .lingshixiaodian{aspect-ratio:1.77;background-image:url(/assets/lingshixiaodian_desktop-QnYg8wE1.png)}}