.nav-bar[data-v-0427a3d6]{height:.44rem;background-color:#171717}.nav-bar[data-v-0427a3d6] .van-nav-bar__content{background-color:#171717}.nav-bar.is-opacity[data-v-0427a3d6],.nav-bar.is-opacity[data-v-0427a3d6] .van-nav-bar__content{background-color:transparent}.nav-bar.is-not-top[data-v-0427a3d6],.nav-bar.is-not-top[data-v-0427a3d6] .van-nav-bar__content{background-color:#171717;-webkit-transition:all 1s ease 0s;transition:all 1s ease 0s}.nav-bar[data-v-0427a3d6]:after{border-bottom:none}.nav-bar[data-v-0427a3d6] .van-nav-bar__content .van-nav-bar__left .back-icon{width:.24rem;height:auto}.nav-bar[data-v-0427a3d6] .van-nav-bar__content .van-nav-bar__title{font-family:PingFang SC;font-size:.17rem;font-weight:500;line-height:normal;letter-spacing:0;color:hsla(0,0%,100%,.9)}.nav-bar[data-v-0427a3d6] .van-nav-bar__content .share-btn{width:.26rem;height:.26rem}.nav-bar.is-white[data-v-0427a3d6],.nav-bar.is-white[data-v-0427a3d6] .van-nav-bar__content{background-color:#fff}.nav-bar.is-white.is-opacity[data-v-0427a3d6],.nav-bar.is-white.is-opacity[data-v-0427a3d6] .van-nav-bar__content{background-color:transparent}.nav-bar.is-white.is-not-top[data-v-0427a3d6],.nav-bar.is-white.is-not-top[data-v-0427a3d6] .van-nav-bar__content{background-color:#fff}.nav-bar.is-white[data-v-0427a3d6] .van-nav-bar__content .van-nav-bar__title{color:#292c2f}.exams-button[data-v-39a5f43d]{border:none;border-radius:24px;font-size:.14rem}