.sub_container {
    margin-bottom: 10rem;
}

/*메인*/
.main_text {
    text-shadow: 1px 3px 12px rgb(0 0 0 / 20%);
}

.main_text strong {
    font-family: 'SuncheonB';
    font-size: 64px;
    margin-bottom: 2rem;
}

.main_text p {
    font-size: 22px;
    color: #fff;
}

.main_bg {
    background-size: cover;
    height: 830px;
}

.main_debate {
    position: relative;
}

.main_debate .main_bg {
    background: url(../img/main_debate.png) no-repeat center 0;
    background-size: cover;
}

.main_debate .main_text {
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 100%;
}

.main_battle {
    position: relative;
}

.main_battle .main_bg {
    background: url(../img/main_battle.png) no-repeat center;
    background-size: cover;
}

.main_battle .main_text {
    position: absolute;
    bottom: 80px;
    left: 80px;
}

/* 로그인 */
#login {
    background-color: #F5F5F5;
    background-image: url(../img/bg_img1.png);
    background-repeat: no-repeat;
    background-position: right bottom;
}

.login_cont {
    max-width: 500px;
    background: #fff;
    margin: 8rem auto;
    padding: 5rem 6rem;
    border-radius: 2rem;
}

.login_title strong {
    font-size: 5.4rem;
    color: #000;
}

.login_btn a {
    display: block;
    font-size: 1.4rem;
}

/*대진표*/

.swiper {
    width: 100%;
    height: 100%;
}

.swiper-slide {
    text-align: center;
    font-size: 18px;
    background: #fff;

    /* Center slide text vertically */
    display: -webkit-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    -webkit-justify-content: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    -webkit-align-items: center;
    align-items: center;
}

.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.swiper-pagination {
    width: 40px;
    left: auto;
    right: 20px;
    color: #fff;
    text-shadow: 1px 0px 6px rgba(0, 0, 0, 0.5);
    opacity: 0.6;
    font-size: 1.8rem;
}

.swiper-pagination-current {
    opacity: 1;
}

.sub_cont1 {
    padding-bottom: 2rem;
    margin-bottom: 3rem;
    border-bottom: 1px solid #DFDFDF;
}

.sub_cont .sub_title .title {
    font-size: 3.6rem;
    font-weight: 600;
}

.sub_nav li a {
    color: #777;
}


.sc_debate {
    padding-right: 4rem;
}

.sc_battle {
    padding-left: 4rem;
}

.sc_content .title {
    font-family: 'SuncheonB';
    margin-bottom: 3rem;
}

.sc_content .title h4 {
    font-size: 2.8rem;
    margin-left: 1rem;
    font-weight: 600;
}

.sc_list .sc_list_li {
    border: 1px solid #F5F5F5;
    border-radius: 1rem;
    margin-bottom: 3rem;
}

.sc_list .sc_list_li:last-child {
    margin-bottom: 0;
}

.vs_box .vs {
    margin: 0 6rem;
}

.sc_list .vs_box {
    background: #F5F5F5;
    border-radius: 1rem 1rem 0 0;
    padding: 2rem 2rem 4rem;
}

.vs_box .profile {
    position: relative;
}

.vs_box .profile .prf_img {
    width: 100px;
    height: 100px;
    margin: 0;
    border-radius: 50%;
    overflow: hidden;
}

.vs_box .profile .prf_name {
    border-radius: 3rem;
    color: #fff;
    padding: 1rem 2.2rem;
    text-align: center;
    position: absolute;
    bottom: -35px;
    left: 0;
    width: 100%;
}

.vs_box .vs {
    background: #EFEFEF;
    border-radius: 50%;
    padding: 2rem;
    margin-top: 2rem;
}

.vs_box .vs .img_bg {
    background: #fff;
    border-radius: 50%;
    box-shadow: 1px 3px 12px rgb(0 0 0 / 16%);
    width: 84px;
    height: 84px;
}

.prf_name.name1_1 {
    background: #3BDBB5;
}

.prf_name.name1_2 {
    background: #2670b2;
}

.prf_name.name2_1 {
    background: #38c0fc;
}

.prf_name.name2_2 {
    background: #ffd400;
}

.class_box {
    padding: 2rem;
}

.class_box .ctit {
    font-weight: 500;
    margin-bottom: 1rem;
}

.class_box .ctit .tag {
    color: #38C0FC;
    font-weight: 400;
}

.class_box .cdes {
    font-size: 1.4rem;
    display: flex;
}


.class_box li {
    line-height: 1;
}

.class_box .ct {
    color: #777;
    margin-right: 1rem;
}

/*영상보기*/
.video_tab {
    border-bottom: 1px solid #DFDFDF;
    overflow-x: scroll;
}

.video_tab .tab_li {
    font-family: 'SuncheonB';
    font-size: 2rem;
    font-weight: 600;
    text-align: center;
    margin-right: 3rem;
}

.video_tab .tab_li a {
    color: #949494;
}

.video_tab .tab_li:after {
    content: "";
    display: block;
    width: 106px;
    height: 3px;
    background: #fff;
    margin-top: 1rem;
}

.video_tab .tab_li.active a {
    color: #2670b2;
}

.video_tab .tab_li.active:after {
    background: #2670b2;
}

.video_cont .sub_cont1 {
    border-bottom: 0;
    padding-bottom: 0;
}

.vd_list_li {
    border: 1px solid #F5F5F5;
    border-radius: 1rem;
    overflow: hidden;
    margin-bottom: 5rem;
    position: relative;
    width: calc((100% - 10rem) / 3);
}

.vd_list_li:nth-child(3n-1) {
    margin: 0 5rem 5rem;
}

.vd_img {
    width: 100%;
}

.vd_img {
    position: relative;
}

.vd_img img {
    width: 100%;
}

.vd_img .ico_play {
    font-size: 82px;
    color: #fff;
    text-shadow: 1px 3px 6px rgba(0, 0, 0, 16%);
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.vd_icon {
    position: absolute;
    top: 0;
    right: 0;
    width: 52px;
    height: 52px;
    border-radius: 0 1rem 0 1rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.vd_icon.ico_debate {
    background: #3BDBB5;
}

.vd_icon.ico_battle {
    background: #ffd400;
}

.vd_name {
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    padding: 1rem 2rem;
    border-radius: 3rem;
    color: #fff;
}

.vd_name b {
    margin: 0 1rem;
}

.vd_name.name_debate {
    background: #2670b2;
}

.vd_name.name_debate b {
    color: #3BDBB5;
}

.vd_name.name_battle {
    background: #38c0fc;
}

.vd_name.name_battle b {
    color: #ffd400;
}

/*채팅*/
.chat_cont {
    background: #F5F5F5;
    padding: 6rem;
}

.chat_class {
    border-radius: 2rem 0 0 2rem;
    overflow: hidden;
    height: 730px;
}

.class_tit {
    background: #2670b2;
    color: #fff;
    padding: 2rem 4rem;
}

.class_tit .title {
    padding-bottom: 1.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.class_tit .ctit {
    font-size: 1.4rem;
}

.class_tit .tag {
    margin-right: 1.2rem;
    font-size: 1.6rem;
    background: #38c0fc;
    border-radius: 3rem;
    padding: 0.5rem 1.8rem;
}

.class_tit .tit {
    font-size: 1.8rem;
    font-weight: 400;
}

.chat_class .class_tit .ctit li {
    border-right: 1px solid rgba(255, 255, 255, 0.2);
    margin-right: 1.5rem;
    padding-right: 1.5rem;
    line-height: 1;
    font-weight: 300;
}

.chat_class .class_tit .ctit li:last-child {
    border-right: 0;
    margin-right: 0;
    padding-right: 0;
}

.chat_class .class_tit .ctit li .ct {
    opacity: 0.7;
    margin-right: 1rem;
}

.chat_class .depth li a {
    color: #fff;
    font-size: 1.4rem;
}

.chat_class .depth li i {
    opacity: 0.7;
    margin: 0 3rem;
    font-size: 1.4rem;
}

.chat_class .depth li.active a {
    color: #ffd400;
}

.chat_class .depth li a:hover {
    color: #ffd400;
}

.class_cont {
    padding: 4rem;
}

.class_cont .c_img img {
    margin: 0 auto;
    height: 100%;
    max-height: 400px;
}

.class_cont .c_pager {
    position: absolute;
    bottom: 40px;
    left: 40px;
    width: calc(100% - 80px);
    z-index: 1;
}

.class_cont .c_pager .pager {
    padding: 1rem 0;
    border-radius: 3rem;
    width: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.class_cont .c_pager .pager a {
    font-size: 1.4rem;
}

.class_cont .c_pager .pager.prev {
    background: #F5F5F5;
    transition: all ease 0.3s;
}

.class_cont .c_pager .pager.prev i {
    font-size: 1.4rem;
}

.class_cont .c_pager .pager.prev a {
    color: #777;
}

.class_cont .c_pager .pager.next {
    border: 1px solid #EFEFEF;
    transition: all ease 0.3s;
}

.class_cont .c_pager .pager.next a {
    color: #222;
}

.class_cont .c_pager .pager.prev:hover {
    background: #DFDFDF;
    transition: all ease 0.3s;
}

.class_cont .c_pager .pager.next:hover {
    background: #F5F5F5;
    transition: all ease 0.3s;
}

.class_cont .number {
    color: #949494;
}

.class_cont .number .current {
    color: #222;
}


.chat_room {
    padding: 4rem;
    margin-left: 5rem;
    height: 730px;
    overflow-y: scroll;
    -ms-overflow-style: none;
    /* IE and Edge */
    scrollbar-width: none;
    /* Firefox */
    border-radius: 0 2rem 2rem 0;
}

.chat_room::-webkit-scrollbar {
    display: none;
    /* Chrome, Safari, Opera*/
}

.chat_top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #949494;
    font-weight: 300;
    font-size: 1.4rem;
    margin-bottom: 3rem;
}

.chat_top span {
    display: inline-block;
    width: 20%;
    height: 1px;
    background: #EFEFEF;
}

.chat_text .text_prf {
    margin-bottom: 2rem;
}

.chat_text .text_prf ul {
    display: flex;
    align-items: flex-start;
}

.chat_text .text_prf .img {
    width: 42px;
    text-align: center;
    margin-right: 2rem;
}

.chat_text .text_prf .img img {
    width: 42px;
    height: 42px;
}

.chat_text .text_prf .img span {
    display: block;
    font-weight: 500;
    font-size: 1.4rem;
}

.chat_text .text_prf .img .prf_tag {
    font-size: 1.2rem;
    color: #fff;
    border-radius: 3rem;
    padding: 0.2rem 0.6rem;
    width: 42px;
    text-align: center;
    margin-top: -10px;
    z-index: 2;
    position: relative;
}

.text_prf .img .prf_tag.tag_teacher {
    background: #ffd400;
}

.text_prf .img .prf_tag.tag_student {
    background: #2670b2;
}

.chat_text .text_prf .box {
    display: flex;
    align-items: end;
}

.chat_text .text_prf .text {
    background: #F5F5F5;
    padding: 1.5rem;
    font-size: 1.4rem;
    font-weight: 300;
}

.chat_text .text_prf .date {
    color: #949494;
    font-size: 1.3rem;
}

.chat_text .text_prf2 .text {
    border-radius: 0 1rem 1rem 1rem;
    margin-right: 0.8rem;
}


.chat_text .text_prf_me .text {
    border-radius: 1rem 0 1rem 1rem;
    background: #E5F3FF;
    color: #2670b2;
    margin-left: 0.8rem;
    font-weight: 400;
}

.class_play {
    background: rgba(0, 0, 0, 0.6);
    height: 80px;
    z-index: 2;
    padding: 0 3rem;
    width: 100%;
    position: absolute;
    bottom: 0;
    border-radius: 0 0 0 2rem;
    display: none;
}

.class_play button {
    background: none;
    border: none;
}

.btn_close {
    width: 40px;
    height: 40px;
    color: #fff;
    opacity: 0.5;
    font-size: 2.8rem;
}

.last_box {
    cursor: pointer
}