.m-nav[data-v-967f8ffa]{position:fixed;top:0;left:50%;width:100%;transform:translateX(-50%);padding-top:53px;padding-bottom:8px;background-color:transparent;min-height:46px;max-width:768px;box-sizing:border-box;z-index:2000;transition:all .5s}.m-nav-inner[data-v-967f8ffa]{position:relative;height:25px}.m-nav-title[data-v-967f8ffa]{left:50%;top:50%;transform:translate(-50%,-50%);font-size:.16rem}.m-nav-title-left[data-v-967f8ffa],.m-nav-title[data-v-967f8ffa]{position:absolute;width:-webkit-max-content;width:-moz-max-content;width:max-content}.m-nav-title-left[data-v-967f8ffa]{left:.5rem;top:45%;transform:translateY(-50%);font-size:16px}.m-spacer[data-v-967f8ffa]{flex-grow:1!important}.m-border[data-v-967f8ffa]{border-bottom:1px solid #e6e6e6}.progress-line-inner[data-v-348754fe]{transition:width 0s ease-in-out;max-width:100%}.item-stem-area[data-v-4074a77b]{padding:.1rem .12rem;line-height:.16rem;font-size:.12rem;color:#757575;background-color:#f7f7f7;border-radius:.04rem}[data-v-4074a77b] .van-sticky{position:fixed;top:86px;right:0;left:0;z-index:99}[data-v-4074a77b] .van-tabs__nav{padding-left:.14rem;padding-right:.15rem;background-color:#f7f7f7}[data-v-4074a77b] .van-tab{flex:inherit;margin-right:.15rem}[data-v-4074a77b] .van-tab__text{font-size:.14rem!important;color:#666!important}[data-v-4074a77b] .van-tab--active .van-tab__text.van-tab__text{color:#282828!important;font-size:.15rem!important;font-weight:500!important}[data-v-4074a77b] .van-tabs__line{bottom:20px}[data-v-4074a77b] .van-tabs__content{min-height:100vh;box-sizing:border-box}.learn-record-container[data-v-48d69484]{padding-top:125px;min-height:100vh;background-color:#f7f7f7;box-sizing:border-box}