.van-progress{position:relative;height:4px;background:#ebedf0;border-radius:4px}.van-progress__portion{position:absolute;left:0;height:100%;background:#1989fa;border-radius:inherit}.van-progress__pivot{position:absolute;top:50%;box-sizing:border-box;min-width:3.6em;padding:0 5px;color:#fff;font-size:10px;line-height:1.6;text-align:center;word-break:keep-all;background-color:#1989fa;border-radius:1em;-webkit-transform:translateY(-50%);transform:translateY(-50%)}.van-checkbox{display:-webkit-box;display:-webkit-flex;display:flex;-webkit-box-align:center;-webkit-align-items:center;align-items:center;overflow:hidden;cursor:pointer;-webkit-user-select:none;user-select:none}.van-checkbox--disabled{cursor:not-allowed}.van-checkbox--label-disabled{cursor:default}.van-checkbox--horizontal{margin-right:12px}.van-checkbox__icon{-webkit-box-flex:0;-webkit-flex:none;flex:none;height:1em;font-size:20px;line-height:1em;cursor:pointer}.van-checkbox__icon .van-icon{display:block;box-sizing:border-box;width:1.25em;height:1.25em;color:transparent;font-size:.8em;line-height:1.25;text-align:center;border:1px solid #c8c9cc;-webkit-transition-duration:.2s;transition-duration:.2s;-webkit-transition-property:color,border-color,background-color;transition-property:color,border-color,background-color}.van-checkbox__icon--round .van-icon{border-radius:100%}.van-checkbox__icon--checked .van-icon{color:#fff;background-color:#1989fa;border-color:#1989fa}.van-checkbox__icon--disabled{cursor:not-allowed}.van-checkbox__icon--disabled .van-icon{background-color:#ebedf0;border-color:#c8c9cc}.van-checkbox__icon--disabled.van-checkbox__icon--checked .van-icon{color:#c8c9cc}.van-checkbox__label{margin-left:8px;color:#323233;line-height:20px}.van-checkbox__label--left{margin:0 8px 0 0}.van-checkbox__label--disabled{color:#c8c9cc}.ai-question-page[data-v-75af27e7]{background-color:#f5f7fa;min-height:100vh;padding-bottom:100px}.main[data-v-75af27e7]{padding:16px 8px}.question-content[data-v-75af27e7]{background:#fff;border-radius:12px;padding:16px;margin-bottom:16px}.section-title[data-v-75af27e7]{display:flex;align-items:center;font-size:18px;color:#333;margin-bottom:16px;font-weight:700}.section-title .ai-avatar[data-v-75af27e7]{width:25px;height:25px;margin-right:10px}.original-question-section[data-v-75af27e7]{margin-bottom:24px}.preview-images[data-v-75af27e7]{display:flex;flex-direction:column;gap:16px;margin-bottom:16px}.preview-image[data-v-75af27e7]{width:100%;border-radius:8px}.question-text[data-v-75af27e7]{font-size:14px;color:#333;line-height:1.6;margin-bottom:16px}.ai-questions-section[data-v-75af27e7]{margin-top:24px}.question-item[data-v-75af27e7]{background:#f9fafb;border-radius:8px;padding:16px;margin-bottom:16px}.question-header[data-v-75af27e7]{display:flex;align-items:center;margin-bottom:12px}.question-number[data-v-75af27e7]{font-size:16px;font-weight:700;color:#28a9fc;margin-right:12px}.question-difficulty[data-v-75af27e7]{font-size:14px;color:#666;padding:4px 12px;background:#e8f2fa;border-radius:12px}.question-body[data-v-75af27e7]{margin-top:12px}.answer-section[data-v-75af27e7],.solution-section[data-v-75af27e7]{margin-top:16px;padding-top:16px;border-top:1px solid #eee}.answer-title[data-v-75af27e7],.solution-title[data-v-75af27e7]{font-size:15px;font-weight:700;color:#28a9fc;margin-bottom:8px}.answer-content[data-v-75af27e7],.solution-content[data-v-75af27e7]{font-size:14px;color:#666;line-height:1.6;overflow-x:auto}.loading-overlay[data-v-75af27e7]{display:flex;flex-direction:column;align-items:center;justify-content:center;background:hsla(0,0%,100%,.9)!important;z-index:9999!important;position:fixed!important;top:0!important;left:0!important;right:0!important;bottom:0!important;width:100%!important;height:100%!important}.loading-overlay .loading-image[data-v-75af27e7]{width:80px;height:80px;margin-bottom:16px}.loading-overlay .loading-text[data-v-75af27e7]{color:#409eff;font-size:16px;margin-bottom:16px}.bottom-view2[data-v-75af27e7],.bottom-view[data-v-75af27e7]{position:fixed;z-index:99;bottom:0;left:0;width:100%;display:flex;align-items:center;background:#fff;box-shadow:0 -2px 5px #efefef;padding-bottom:10px}.bottom-view-title[data-v-75af27e7]{flex:1;font-size:15px;font-weight:700;color:#555;margin:20px 10px}.bottom-view-subtitle[data-v-75af27e7]{color:#28a9fc;font-size:14px;padding-right:20px}.bottom-view-btn[data-v-75af27e7]{padding:8px 14px;color:#fff;font-size:15px;font-weight:700;background:#28a9fc;border-radius:16px;margin-right:10px;box-shadow:0 1px 3px #28a9fc}.bottom-view-btn[data-v-75af27e7]:active{background:#1c8fd6}.bottom-view2[data-v-75af27e7]{display:flex;background:#28a9fc;color:#fff}.bottom-view2-tap[data-v-75af27e7]{width:50%;padding:10px;text-align:center}.sprint[data-v-75af27e7]{left:800px;margin:0;padding:0;width:330px}.bprint[data-v-75af27e7],.sprint[data-v-75af27e7]{position:fixed;top:0;z-index:999;font-family:Helvetica,Tahoma,Arial,PingFang SC,Hiragino Sans GB,Heiti SC,STXihei,Microsoft YaHei,SimHei;font-size:18px}.bprint[data-v-75af27e7]{padding-left:50px;left:1200px;width:1487px}.bprint-items[data-v-75af27e7],.sprint-items[data-v-75af27e7]{margin:5px 0 30px 0}.sprint-question[data-v-75af27e7]{display:flex;flex-direction:row}.sprint-question-index[data-v-75af27e7]{padding-top:5px;line-height:100%;margin-right:4px}.sprint-html-info[data-v-75af27e7]{margin:-15px 0;padding:5px;line-height:100%}.sprint-answer[data-v-75af27e7],.sprint-explain[data-v-75af27e7]{background:#f5f5f5}.sprint-title[data-v-75af27e7]{font-weight:700;margin-bottom:8px}.answer-content[data-v-75af27e7] :deep(p),.question-text[data-v-75af27e7] :deep(p),.solution-content[data-v-75af27e7] :deep(p){margin-bottom:8px;line-height:1.6}.answer-content[data-v-75af27e7] :deep(h1),.question-text[data-v-75af27e7] :deep(h1),.solution-content[data-v-75af27e7] :deep(h1){font-size:20px;margin-bottom:12px}.answer-content[data-v-75af27e7] :deep(h2),.question-text[data-v-75af27e7] :deep(h2),.solution-content[data-v-75af27e7] :deep(h2){font-size:18px;margin-bottom:10px}.answer-content[data-v-75af27e7] :deep(h3),.question-text[data-v-75af27e7] :deep(h3),.solution-content[data-v-75af27e7] :deep(h3){font-size:16px;margin-bottom:8px}.answer-content[data-v-75af27e7] :deep(ol),.answer-content[data-v-75af27e7] :deep(ul),.question-text[data-v-75af27e7] :deep(ol),.question-text[data-v-75af27e7] :deep(ul),.solution-content[data-v-75af27e7] :deep(ol),.solution-content[data-v-75af27e7] :deep(ul){padding-left:20px;margin-bottom:10px}.answer-content[data-v-75af27e7] :deep(li),.question-text[data-v-75af27e7] :deep(li),.solution-content[data-v-75af27e7] :deep(li){margin-bottom:5px}.answer-content[data-v-75af27e7] :deep(code),.question-text[data-v-75af27e7] :deep(code),.solution-content[data-v-75af27e7] :deep(code){background-color:#f5f5f5;padding:2px 4px;border-radius:4px;font-family:Courier New,monospace}.answer-content[data-v-75af27e7] :deep(pre),.question-text[data-v-75af27e7] :deep(pre),.solution-content[data-v-75af27e7] :deep(pre){background-color:#f5f5f5;padding:12px;border-radius:4px;overflow-x:auto}.answer-content[data-v-75af27e7] :deep(.math-block),.question-text[data-v-75af27e7] :deep(.math-block),.solution-content[data-v-75af27e7] :deep(.math-block){text-align:center;margin:16px 0;padding:8px 0;overflow-x:auto}