.root-wrap[data-v-b80bd776]{display:flex;flex-direction:row;align-items:center;width:100%}.difficulty-group[data-v-b80bd776]{display:flex;gap:46rem}.diff-btn[data-v-b80bd776]{padding:10rem;border:none;border-radius:10rem;background:#fff;cursor:pointer;font-size:20rem;color:var(--light-666666,#666);text-align:center;line-height:1.2;border:1px solid var(--2196-f-3,#2196f3)}.active[data-v-b80bd776]{background:var(--btn-bg,#409eff);color:#fff!important}.subject-txt[data-v-b80bd776]{width:142rem;color:#333;font-size:24px;font-style:normal;font-weight:400}.slide-track[data-v-b80bd776]{width:504px;height:28px;display:flex;position:relative;align-items:center;justify-content:center;margin:0 32px}.slide-track .slide-progress-primary[data-v-b80bd776]{display:flex;width:calc(100% - 14px);height:10px;justify-content:space-between;align-items:center;border-radius:var(--Radius-MAX,100px);background:var(--light-cccccc,#ccc)}.slide-track .slide-progress-second-primary[data-v-b80bd776]{display:flex;height:10px;border-radius:100px;background:#2196f3;position:absolute;left:8px}.slide-track .slide-point-wrap[data-v-b80bd776]{width:calc(100% - 14px);display:flex;justify-content:space-between;position:absolute;z-index:180}.slide-track .slide-point-wrap .slide-point[data-v-b80bd776]{width:16px;height:16px;border-radius:100px;background:#fff;box-shadow:0 1px 2px rgba(0,0,0,.3)}.slide-track .slide-thumb[data-v-b80bd776]{width:24px;height:24px;background:#fff;border-radius:100px;border:3px solid #2196f3;position:absolute;z-index:90;left:0;box-shadow:0 2px 4px rgba(60,124,252,.6)}.slide-progress-txt[data-v-b80bd776]{color:var(--light-333333,#333);font-size:24px;font-style:normal;font-weight:400;line-height:36px}.img-star[data-v-b80bd776]{width:32px;height:32px;flex-shrink:0;aspect-ratio:1/1;margin-left:8px}.root-view[data-v-2a12eb5c]{width:100%;display:flex;flex-direction:column;align-items:center;gap:65rem;margin-top:48rem;overflow:scroll;height:90%}.tips[data-v-2a12eb5c]{width:790rem;color:#666;font-size:24px;font-style:normal;font-weight:400;line-height:36px}