[data-v-1200dfc0]:root{--el-color-primary:#006aff;--el-color-danger:#e31a17}.ai-lesson-polishing-input[data-v-1200dfc0]{align-items:center;background:#f9fafd;border:2px solid transparent;border-radius:6px;box-sizing:border-box;color:#111;display:flex;flex:1 0 0;font-family:PingFang SC;font-size:16px;font-style:normal;font-weight:400;gap:10px;height:72px;line-height:12px;padding:20px;text-decoration-line:underline;-webkit-text-decoration-skip-ink:none;text-decoration-skip-ink:none;text-decoration-style:solid;text-decoration-thickness:14.5%;text-underline-offset:25%;text-underline-position:from-font}.ai-lesson-polishing-input[data-v-1200dfc0]:focus{border-color:#006aff}.ai-lesson-polishing-input .el-input__inner[data-v-1200dfc0]{background:transparent;height:32px}.nav_menu_box[data-v-1200dfc0],.scorlls[data-v-1200dfc0]{position:relative}.nav_menu_box[data-v-1200dfc0]{background:#eef1f5;height:100vh;padding:30px 20px 20px;transition:width .3s ease}.nav_menu_box .logo_box[data-v-1200dfc0]{height:56px;padding:0 0 0 5px}.nav_menu_box .logo_box .leftLogo[data-v-1200dfc0]{height:48px;width:129px}.nav_menu_box .logo_box .img_bool[data-v-1200dfc0]{border-radius:6px;cursor:pointer;height:32px;position:relative;width:32px}.nav_menu_box .logo_box .img_bool[data-v-1200dfc0]:hover{background:#0000000d}.nav_menu_box .logo_box .img_bool .hovers[data-v-1200dfc0]{height:24px;margin:4px;width:24px}.nav_menu_box .logo_box .img_bool .hoves_box[data-v-1200dfc0]{background:#000c;border-radius:4px;color:#fff;font-size:12px;left:50%;padding:4px 8px;position:absolute;top:40px;transform:translate(-50%);white-space:nowrap;z-index:1000}.nav_menu_box .session[data-v-1200dfc0]{display:flex;justify-content:center;padding:12px;position:relative}.nav_menu_box .session .hovers[data-v-1200dfc0]{cursor:pointer;height:36px;width:36px}.nav_menu_box .session .hoves_box[data-v-1200dfc0]{background:#000c;border-radius:4px;color:#fff;font-size:12px;left:50%;padding:4px 8px;position:absolute;top:60px;transform:translate(-50%);white-space:nowrap;z-index:1000}.nav_menu_box .new_session[data-v-1200dfc0]{background:#006aff1a;border-radius:12px;cursor:pointer;height:48px;margin:26px 0 6px;padding:2px 20px}.nav_menu_box .new_session .session_img[data-v-1200dfc0]{height:24px;width:24px}.nav_menu_box .new_session .session_img img[data-v-1200dfc0]{height:100%;width:100%}.nav_menu_box .new_session .session_newtext[data-v-1200dfc0]{color:#006aff;font-weight:500;margin-left:10px}.nav_menu_box .tool_box .list[data-v-1200dfc0]{border-radius:12px;cursor:pointer;height:48px;margin-bottom:6px;padding:2px 20px;position:relative}.nav_menu_box .tool_box .list .img_icon[data-v-1200dfc0]{height:24px;margin-right:10px;width:24px}.nav_menu_box .tool_box .list img[data-v-1200dfc0]{height:24px;margin-right:8px;width:24px}.nav_menu_box .tool_box .list .direction_box[data-v-1200dfc0]{height:24px;margin-left:auto;transition:transform .3s ease;width:24px}.nav_menu_box .tool_box .list .direction_box_tre[data-v-1200dfc0]{transform:rotate(90deg)}.nav_menu_box .tool_box .list_child[data-v-1200dfc0]{border-radius:8px;cursor:pointer;height:40px;margin-bottom:2px;padding:0 24px;position:relative}.nav_menu_box .tool_box .list_child img[data-v-1200dfc0]{height:20px;margin-right:8px;width:20px}.nav_menu_box .tool_box .list_child .ovf[data-v-1200dfc0]{display:-webkit-box;flex:1;overflow:hidden;-webkit-line-clamp:1;line-clamp:1;-webkit-box-orient:vertical}.nav_menu_box .tool_box .list_child .butt_img[data-v-1200dfc0]{align-items:center;display:flex;height:100%;justify-content:center;margin-right:12px;width:20px}.nav_menu_box .tool_box .list_child .butt_img img[data-v-1200dfc0]{height:21px;margin:0 0 0 14px;width:20px}.nav_menu_box .tool_box .list_child .dropdown[data-v-1200dfc0]{background-color:#fff;border-radius:6px;box-shadow:0 2px 10px #0000001a;display:flex;flex-direction:column;position:absolute;right:10px;top:30px;z-index:10000}.nav_menu_box .tool_box .list_child .dropdown button[data-v-1200dfc0]{border:none;border-radius:4px;cursor:pointer;padding:10px;transition:background-color .3s ease}.nav_menu_box .tool_box .list_child .dropdown button[data-v-1200dfc0]:hover{background-color:#e0e0e0}.nav_menu_box .tool_box .list_hover[data-v-1200dfc0]:hover{background:#fff;position:relative}.nav_menu_box .tool_box .list_hover[data-v-1200dfc0]:hover:not(.sandian):after{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#fffc;content:"...";font-size:40px;height:25px;letter-spacing:-1px;line-height:0;position:absolute;right:13px;top:7px;width:25px}.nav_menu_box .tool_box .list_click[data-v-1200dfc0]{background:#fff}.nav_menu_box .tool_box_border[data-v-1200dfc0]{border-bottom:.5px solid #d5d6d8}.nav_menu_box .online-course-list .oc-img[data-v-1200dfc0]{display:block;height:auto;width:100%}.nav_menu_box .become_lecturer[data-v-1200dfc0]{bottom:16px;cursor:pointer;left:50%;position:absolute;transform:translate(-50%);width:calc(100% - 24px)}.nav_menu_box .become_lecturer>img[data-v-1200dfc0]:first-child{width:100%}.nav_menu_box .become_lecturer>img[data-v-1200dfc0]:last-child{height:18px;position:absolute;right:6px;top:6px;width:18px}.commonTextClass[data-v-1200dfc0]{color:#111;font-family:PingFang SC;font-size:18px;font-style:normal;font-weight:400;text-align:left;text-transform:none}.disp[data-v-1200dfc0]{align-items:center;display:flex}