.learning-assistance-btn[data-v-9751bc72]{position:fixed;right:30px;bottom:112px;z-index:1000;font-size:14px;border:1px solid var(--el-border-color-light);background:var(--el-bg-color-overlay);border-radius:6px;overflow:hidden;padding:10px;width:80px;cursor:pointer}.el-backtop{--el-backtop-bg-color: var(--el-bg-color-overlay);--el-backtop-text-color: var(--el-color-primary);--el-backtop-hover-bg-color: var(--el-border-color-extra-light);position:fixed;background-color:var(--el-backtop-bg-color);width:40px;height:40px;border-radius:50%;color:var(--el-backtop-text-color);display:flex;align-items:center;justify-content:center;font-size:20px;box-shadow:var(--el-box-shadow-lighter);cursor:pointer;z-index:5}.el-backtop:hover{background-color:var(--el-backtop-hover-bg-color)}.el-backtop__icon{font-size:20px}.layui-layim.layui-layer-page{display:none}.side-operation[data-v-45224062]{position:fixed;right:30px;bottom:112px;z-index:1000;font-size:14px;border:1px solid var(--el-border-color-light);background:var(--el-bg-color-overlay);width:60px;border-radius:6px;overflow:hidden}.side-item+.side-item[data-v-45224062]{border-top:1px solid var(--el-border-color-light)}.side-item a.item[data-v-45224062]{display:block;width:60px;height:60px;font-size:32px;line-height:60px;text-align:center;color:var(--el-text-color-regular);cursor:pointer}.side-item a.item[data-v-45224062]:hover{background:var(--qd-primary-color);color:#fff}.side-item a.item:hover .svg-icon[data-v-45224062]{display:none}.side-item a.item .text[data-v-45224062]{font-size:14px;line-height:normal;padding:12px 0;display:none}.side-item a.item:hover .text[data-v-45224062]{display:block}.side-item-phone[data-v-45224062]{display:flex;align-items:center}.side-item-phone .circle[data-v-45224062]{width:44px;height:44px;border-radius:50%;overflow:hidden;background:#f1f1f3;display:block;display:flex;justify-content:center;align-items:center;font-size:26px}.side-item-phone .text[data-v-45224062]{width:112px;line-height:40px;font-size:15px;margin-left:12px}.header-sticky[data-v-e613b895]{position:sticky;top:0;z-index:1000}