.demonstrationTeaching[data-v-37c4b46d]{min-height:50vh}.demonstrationTeaching .d_top[data-v-37c4b46d]{height:760px;background:#1d1d1f;border:1px solid #9acd32}.demonstrationTeaching .d_top .d_t_con[data-v-37c4b46d]{width:1200px;min-height:640px;background:#111417;color:hsla(0,0%,100%,.8);padding-left:20px;padding-right:20px;position:relative}.demonstrationTeaching .d_top .d_t_con .d_t_c_left[data-v-37c4b46d]{flex:1;height:100%;position:relative}.demonstrationTeaching .d_top .d_t_con .d_t_c_left .t_c_l_title[data-v-37c4b46d]{padding-right:45px;padding-top:28px}.demonstrationTeaching .d_top .d_t_con .d_t_c_left .t_c_l_time[data-v-37c4b46d]{margin-top:17px;height:24px;line-height:24px}.demonstrationTeaching .d_top .d_t_con .d_t_c_left .t_c_l_time .c_l_t_span[data-v-37c4b46d]{margin-right:24px}.demonstrationTeaching .d_top .d_t_con .d_t_c_left .t_c_l_time .c_l_t_span[data-v-37c4b46d]:last-child{margin-right:unset}.demonstrationTeaching .d_top .d_t_con .d_t_c_left 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.d_t_con .d_t_c_right .t_c_r_con .c_r_c_item_active[data-v-37c4b46d]{background:rgba(29,29,31,.4)}.demonstrationTeaching .d_top .d_t_con .d_t_c_right .t_c_r_con .c_r_c_item_active .r_c_i_img[data-v-37c4b46d]{margin-top:6px}.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]{width:100%;height:150px;overflow:auto}.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]::-webkit-scrollbar{width:0;background:#fff;overflow:hidden}.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]::-webkit-scrollbar-corner,.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]::-webkit-scrollbar-thumb,.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]::-webkit-scrollbar-track{border-radius:4px}.demonstrationTeaching .d_top .d_t_con .d_t_c_right .scroll-style[data-v-37c4b46d]::-webkit-scrollbar-corner,.demonstrationTeaching .d_top .d_t_con .d_t_c_right 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