@charset "utf-8";

/* ==================================================================================
    서브 페이지 공통
================================================================================== */
.article .section .intro-box {
    position: relative;
    padding: 35px 32px;
    margin-bottom: 45px;
    background-color: #f8fafd;
    border: 1px solid #dce4f2;
    border-left: 5px solid #060761;
    border-radius: 6px;
    box-shadow: 0 4px 15px rgba(6, 7, 97, 0.04);
}
.article .section .intro-box .intro-text {
    font-size: 17px;
    line-height: 1.75;
    color: #2c3e50;
}
.article .section .intro-box .intro-text p {
    margin-bottom: 12px;
    word-break: keep-all;
}
.article .section .intro-box .intro-text p:last-child {
    margin-bottom: 0;
}
.article .section .intro-box .intro-text strong {
    color: #060761;
    font-weight: 800;
}

/* ==================================================================================
    ABOUT - welcome-message
================================================================================== */
.welcome-message .article {

}

.welcome-message .article .welcome {
    display: flex;
    flex-flow: column nowrap;
    gap: 24px;

    margin: 0 0 40px;
}
.welcome-message .article .welcome h2.title {
    font-weight: 700;
}

.welcome-message .article ul.chairs {
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 1px;

    overflow: hidden;
    width: 100%;
    border-radius: 10px;
}
.welcome-message .article ul.chairs li {
    flex: 1 1 33.33333%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: stretch;
    align-items: stretch;
}
.welcome-message .article ul.chairs li span.title {
    flex: 0 0 50px;

    display: none;
    text-align: center;
    padding: 10px;
    font-weight: 700;
    color: #050E5F;
    background-color: #B3FFDD;
}
.welcome-message .article ul.chairs li dl {
    flex: 1 1 130px;

    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-end;
    gap: 10px;

    padding: 20px;
    background-color: #fff;
}
.welcome-message .article ul.chairs li dl dt {
    text-align: center;
    font-size: 23px;
}
.welcome-message .article ul.chairs li dl dd {
    text-align: center;
    font-size: 18px;
    font-weight: 400;
}

/* ==================================================================================
    ABOUT - Overview
================================================================================== */
.overview .article .section {

}
.overview .article .section .table-responsive .table.none-thead {
    border: 0;
}
.overview .article .section .table-responsive .table.none-thead tbody th {
    border-left: 0;
}
.overview .article .section .table-responsive .table.none-thead tbody td {
    border-right: 0;
}

/* ==================================================================================
    ABOUT - Program at a Glance
================================================================================== */
.article .section .table-responsive .table.tb-program {

}
.article .section .table-responsive .table.tb-program thead th {
    padding: 5px 5px 10px;
    border-top: 0;
}
.article .section .table-responsive .table.tb-program thead th strong {
    display: block;
    margin: 0;
    font-size: 21px;
}
.article .section .table-responsive .table.tb-program thead th small {
    display: block;
    font-size: 19px;
}
.article .section .table-responsive .table.tb-program tbody th i {
    display: block;
}
.article .section .table-responsive .table.tb-program tbody th strong {
    display: block;
    line-height: 1;
}
.article .section .table-responsive .table.tb-program th {
    border: 1px solid #80d5ff;
    /*border: 1px solid #dfdfdf;*/
    background-color: #fff;
}
.article .section .table-responsive .table.tb-program td {
    padding: 5px;
    font-size: 19px;
    font-weight: 800;
    border: 0;
}
.article .section .table-responsive .table.tb-program td .div-flex {
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: stretch;
    gap: 3px;

    width: 100%;
    height: 100%;
    padding: 10px;
}

.article .section .table-responsive .table.tb-program .bg-green {
    background-color: #DDF4FF;
}
.article .section .table-responsive .table.tb-program .bg-purple {
    background-color: #ECECFE;
}
.article .section .table-responsive .table.tb-program .h110 {
    min-height: 110px;
}
.article .section .table-responsive .table.tb-program .h50 {
    min-height: 50px;
}

/* ==================================================================================
    PROGRAM - Conference Topics
================================================================================== */
.topics .article {

}
.topics .article ul.topic-list {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 25px 4%;

    width: 100%;
}
.topics .article ul.topic-list li {
    flex: 0 1 48%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 5px;

    width: 100%;
}
.topics .article ul.topic-list li .title {
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 5px;

    width: 100%;
}
.topics .article ul.topic-list li .title .num {
    flex: 0 0 60px;
    display: flex;
    justify-content: center;
    align-items: center;

    min-height: 55px;
    font-size: 24px;
    font-weight: 800;
    color: #fff;
    background-color: #0b2e51;
    border-radius: 2px;
}
.topics .article ul.topic-list li .title .info {
    flex: 1 1 50%;
    display: flex;
    justify-content: flex-start;
    align-items: center;

    min-height: 70px;
    padding: 10px 20px;
    line-height: 1.3;
    font-size: 19px;
    font-weight: 800;
    color: #000;
    background-color: #f3f3f3;
    border-radius: 2px;
}
.topics .article ul.topic-list li ul {
    list-style: disc;
    margin-left: 100px;
    padding: 0 0 10px;
}
.topics .article ul.topic-list li ul li {
    display: list-item;
    margin: 5px 0;
}

/* ==================================================================================
    PROGRAM - Sitemap
================================================================================== */
.sitemap .article {

}
.sitemap .article .sitemap-area {

}
.sitemap .article .sitemap-area > ul {
    display: flex;
    flex-flow: row wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 50px 2%;

    width: 100%;
}
.sitemap .article .sitemap-area > ul > li.depth1 {
    flex: 1 1 32%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    gap: 20px;

    position: relative;
    width: 100%;
    max-width: 360px;
    min-width: 280px;
}
.sitemap .article .sitemap-area > ul > li.depth1::before {
    position: absolute;
    left: 50%;
    top: 54px;
    content: " ";
    width: 1px;
    height: 20px;
    background-color: #dfdfdf;
}
.sitemap .article .sitemap-area > ul > li.depth1 > a {
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;

    width: 100%;
    padding: 10px;
    font-size: 21px;
    font-weight: 800;
    border: 1px solid #dfdfdf;
    border-left: 4px solid #060761;
    background-color: #fafafa;
}
.sitemap .article .sitemap-area > ul > li.depth1 > a:hover {
    color: #80d5ff;
    border: 1px solid #060761;
    border-left: 4px solid #060761;
    background-color: #060761;
}
.sitemap .article .sitemap-area > ul > li.depth1 > ul.depth2 {
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    gap: 5px;

    width: 100%;
}
.sitemap .article .sitemap-area > ul > li.depth1 > ul.depth2 > li {
    width: 100%;
}
.sitemap .article .sitemap-area > ul > li.depth1 > ul.depth2 > li > a {
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;

    width: 100%;
    padding: 5px;
    font-size: 17px;
    font-weight: 400;
    border: 1px solid #dfdfdf;
    background-color: #fff;
}
.sitemap .article .sitemap-area > ul > li.depth1 > ul.depth2 > li > a:hover {
    color: #060761;
    border: 1px solid #DCDCFE;
    background-color: #E9E9FE;
}

/* ==================================================================================
    Call for papers
================================================================================== */
.call-for-papers .article {

}

/* important-dates-area */
.call-for-papers .article .important-dates {

}
.call-for-papers .article .important-dates > ul {

}
.call-for-papers .article .important-dates > ul > li {
    display: flex;
    flex-flow: row nowrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;

    margin: 0 0 7px;
    padding: 0 0 7px;
    border-bottom: 1px dotted #dfdfdf;
}
.call-for-papers .article .important-dates > ul > li:first-child {
    padding-top: 7px;
    border-top: 1px dotted #dfdfdf;
}
.call-for-papers .article .important-dates > ul > li > .title ion-icon {
    display: inline-block;
    vertical-align: middle;
    margin-right: 5px;
}
.call-for-papers .article .important-dates > ul > li > .title {
    display: block;
    font-size: 16px;
    font-weight: 800;
}
.call-for-papers .article .important-dates > ul > li > .title b {
    font-weight: 800;
}
.call-for-papers .article .important-dates > ul > li > .title small {
    display: inline-block;
    margin-left: 5px;
}
.call-for-papers .article .important-dates > ul > li > .date {
    font-size: 16px;
    font-weight: 800;
    color: #f33;
}
.call-for-papers .article .important-dates > ul > li > .date s {
    color: #999;
}


/* ==================================================================================
    Registration
================================================================================== */
.registration .article {

}

.registration .article .section .table-responsive .table {
    /*max-width: 880px;*/
}
.registration .article .section .table-responsive .table thead tr th {
    padding: 10px 0;
    background-color: #f5f5f5;
}
.registration .article .section .table-responsive .table tbody tr td {
    padding: 15px 20px;
}
/*.registration .article .section .table-responsive .table tbody tr td:last-child {*/
/*    font-weight: 700;*/
/*    color: #FF6600;*/
/*}*/

.registration .article .section .table-responsive .table tbody tr:nth-child(1) th {
    background-color: #d5e8ff;
}
.registration .article .section .table-responsive .table tbody tr:nth-child(1) td {
    background-color: #EAF1FA;
}
.registration .article .section .table-responsive .table tbody tr:nth-child(2) th {
    background-color: #ffebdb;
}
.registration .article .section .table-responsive .table tbody tr:nth-child(2) td {
    background-color: #FEF4EC;
}
.registration .article .section .table-responsive .table tbody tr:nth-child(3) th {
    background-color: #fff;
}
.registration .article .section .table-responsive .table tbody tr:nth-child(3) td {
    background-color: #fff;
}

.registration .article p.info {
    font-size: 14px;
}
.registration .article p.box-info {
    padding: 17px;
    color: #767676;
    background-color: #F2F2F2;
    border-radius: 10px;
}

.article .section .btn-area {
    gap: 15px 40px;
    padding: 30px 0;
}
.registration .article .btn-registration {
    display: flex;
    flex-flow: column nowrap;
    justify-content: center;
    align-items: center;
    padding: 12px 40px;
    border-radius: 60px;
}
.registration .article .btn-registration.btn-primary strong {
    color: #FFFF00;
}
.registration .article .btn-registration.btn-success strong {
    color: #0000FF;
}
.registration .article .btn-registration small {
    font-size: 14px;
}
/*arrow-alert*/
.registration .article .alert.arrow-alert p {
    display: flex;
    align-items: center;
    gap: 8px;
}
.registration .article .alert.arrow-alert p a {
    display: flex;
}
.registration .article .alert.arrow-alert p a ion-icon {
    font-size: 33px;
    color: #ff5454;
}
.registration .article .number-area {
    display: flex;
    gap: 20px;
}
.registration .article #digit_number_area {
    padding: 15px 20px;
    background-color: #f5f5f5;
    border: 1px solid #dfdfdf;
    border-radius: 5px;
    margin-top:10px;
    width: 50%;
}
.registration .article #digit_number_area .digit_number {
    margin-top:10px;
}
.registration .article #digit_number_area .digit_number span {
    width: 30px;
    display: inline-block;
}
.registration .article #digit_number_area .digit_number input::placeholder {
    font-size: 15px;
}

/* 공식 초청장 */
.registration .article .official-invitation-area {
    margin-bottom: 30px;
}
.registration .article .official-invitation-area .btn-primary a {
    color:#fff;
}
.registration .article .section .official-invitation-area .btn-area {
    justify-content: flex-start;
    padding: 20px 0;
}
.registration .article .section .official-invitation-area .btn-area .btn-primary {
    background-color: #006eec;
    border-color: #0066d6;
    padding: 10px 15px;
    font-size: 17px;
}
.registration .article .section .official-invitation-area .btn-area .btn-primary a {
    display: flex;
    gap: 7px;
    align-items: center;
}
.registration .article .official-invitation-area .btn ion-icon {
    font-size: 27px;
}

/* ==================================================================================
    committee
================================================================================== */
.committee {

}
.committee .article .section h3.semi-title {
    color: #0274cb;
    font-size: 20px;
    margin-bottom: 0;
}
.committee .member-card-area {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 20px 0 45px;
}

.committee .member-card {
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-color: #fff;
    border: 1px solid #dfdfdf;
    border-radius: 7px;
    padding: 20px 24px;
    box-shadow: 1px 1px 9px rgb(0 0 0 / 6%);
    text-align: left;
    transition: all 0.3s;
    min-height: 100px;
    border-left: 3px solid #0274cb;
}

.committee .member-card:hover {
    border-color: #0274cb;
    box-shadow: 1px 1px 12px rgb(0 0 0 / 12%);
    transform: translateY(-3px);
}

.committee .member-card .name {
    font-size: 18px;
    font-weight: 800;
    color: #111827;
    margin-bottom: 6px;
}

.committee .member-card .affiliation {
    font-size: 16px;
    color: #4b5563;
    line-height: 1.4;
}
/* ==================================================================================
    venue
================================================================================== */
.venue .article .section .btn-area .btn {
    display: flex;
    align-items: center;
    gap: 16px;
}
.venue .article .section .btn-area .btn ion-icon {
    font-size: 26px;
}
.venue .article .section .img-area {
    display: flex;
    justify-content: space-between;
    margin: 20px 0;
}
.venue .article .section .img-area a {
    width: 49%;
    overflow: hidden;
}
.venue .article .section .img-area a img {
    width: 100%;
    height: 100%;
    transition: all 0.5s;
}
.venue .article .section .img-area a:hover img {
    transform: scale(110%);
}

/* ==================================================================================
    Submission - Abstract Submission
================================================================================== */
.abstract-submission .article {

}


/* 주요 CTA 버튼 그룹 */
.article .section .btn-group {
    display: flex;
    flex-flow: row wrap;
    align-items: center;
    gap: 12px;
}
.article .section .btn-group .btn-sub {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 48px;
    padding: 0 24px;
    font-size: 16px;
    font-weight: 700;
    border-radius: 6px;
    transition: all 0.25s ease;
    text-decoration: none;
    line-height: 1;
}
.article .section .btn-group .btn-sub i,
.article .section .btn-group .btn-sub svg {
    width: 18px;
    height: 18px;
}
.article .section .btn-group .btn-sub-primary {
    color: #fff;
    background-color: #e50719;
    border: 1px solid #e50719;
    box-shadow: 0 4px 12px rgba(229, 7, 25, 0.25);
}
.article .section .btn-group .btn-sub-primary:hover {
    color: #fff;
    background-color: #c40414;
    border-color: #c40414;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(229, 7, 25, 0.35);
}
.article .section .btn-group .btn-sub-navy {
    color: #fff;
    background-color: #060761;
    border: 1px solid #060761;
    box-shadow: 0 4px 12px rgba(6, 7, 97, 0.2);
}
.article .section .btn-group .btn-sub-navy:hover {
    color: #fff;
    background-color: #040544;
    border-color: #040544;
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(6, 7, 97, 0.3);
}
.article .section .btn-group .btn-sub-outline {
    color: #060761;
    background-color: #fff;
    border: 1px solid #060761;
}
.article .section .btn-group .btn-sub-outline:hover {
    color: #fff;
    background-color: #060761;
    transform: translateY(-2px);
}

/* 섹션 타이틀 */
.article .section .section-title {
    position: relative;
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 45px 0 18px;
    font-size: 24px;
    font-weight: 800;
    color: #060761;
    line-height: 1.3;
}

/* Important Dates 테이블 */
.abstract-submission .dates-table-wrap {
    margin-bottom: 10px;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid #dce4f1;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
}
.abstract-submission .dates-table {
    width: 100%;
    margin-bottom: 0;
    border-collapse: collapse;
}
.abstract-submission .dates-table thead th {
    background-color: #060761;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    padding: 15px 20px;
    text-align: center;
    border: none;
    letter-spacing: 0.5px;
}
.abstract-submission .dates-table tbody th {
    background-color: #f8fafc;
    color: #1e293b;
    font-size: 16px;
    font-weight: 700;
    padding: 16px 24px;
    text-align: left;
    border-bottom: 1px solid #e9edf5;
    width: 58%;
}
.abstract-submission .dates-table tbody td {
    padding: 16px 24px;
    font-size: 16px;
    font-weight: 800;
    color: #e50719;
    text-align: center;
    border-bottom: 1px solid #e9edf5;
    background-color: #fff;
    width: 42%;
}
.abstract-submission .dates-table tbody tr:last-child th,
.abstract-submission .dates-table tbody tr:last-child td {
    border-bottom: none;
}
.abstract-submission .dates-note {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #64748b;
    margin-bottom: 45px;
    padding-left: 4px;
}
.abstract-submission .dates-note i,
.abstract-submission .dates-note svg {
    width: 16px;
    height: 16px;
    color: #e50719;
    flex-shrink: 0;
}

/* Submission Guidelines 리스트 */
.abstract-submission .guideline-list {
    margin: 0 0 45px;
    padding: 0;
    list-style: none;
    display: flex;
    flex-flow: column nowrap;
    gap: 10px;
}
.abstract-submission .guideline-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background-color: #fbfcfe;
    border: 1px solid #e7ecf5;
    border-radius: 6px;
    font-size: 16px;
    line-height: 1.6;
    color: #334155;
    transition: all 0.2s ease;
}
.abstract-submission .guideline-list li:hover {
    background-color: #f2f7ff;
    border-color: #c7d8f3;
}
.abstract-submission .guideline-list li .bullet-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    margin-top: 2px;
    color: #060761;
}
.abstract-submission .guideline-list li .bullet-icon i,
.abstract-submission .guideline-list li .bullet-icon svg {
    width: 18px;
    height: 18px;
}
.abstract-submission .guideline-list li a > .bullet-icon svg {
    color: #fff;
}
.abstract-submission .guideline-list li strong {
    color: #060761;
    font-weight: 700;
}

/* Submission Procedure (5 Steps) */
.abstract-submission .procedure-flow {
    display: flex;
    flex-flow: row wrap;
    gap: 14px;
    margin: 0 0 45px;
    padding: 0;
    list-style: none;
}
.abstract-submission .procedure-flow li {
    flex: 1 1 calc(20% - 12px);
    min-width: 185px;
    display: flex;
    flex-flow: column nowrap;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 24px 18px;
    position: relative;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transition: all 0.25s ease;
}
.abstract-submission .procedure-flow li:hover {
    border-color: #060761;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(6, 7, 97, 0.08);
}
.abstract-submission .procedure-flow li .step-badge {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 12px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    background-color: #060761;
    border-radius: 20px;
    margin-bottom: 14px;
}
.abstract-submission .procedure-flow li:last-child .step-badge {
    background-color: #e50719;
}
.abstract-submission .procedure-flow li .step-title {
    font-size: 17px;
    font-weight: 800;
    color: #060761;
    margin-bottom: 8px;
    line-height: 1.35;
}
.abstract-submission .procedure-flow li .step-desc {
    font-size: 14px;
    line-height: 1.55;
    color: #555;
    word-break: keep-all;
}
.abstract-submission .procedure-flow li .step-desc strong {
    color: #060761;
}

/* 안내 박스 (Modification & Notification) */
.abstract-submission .info-card-box {
    padding: 24px 28px;
    margin-bottom: 40px;
    background-color: #f9fbfe;
    border: 1px solid #e4ebf5;
    border-left: 5px solid #060761;
    border-radius: 6px;
}
.abstract-submission .info-card-box p {
    font-size: 16px;
    line-height: 1.65;
    color: #334155;
    margin-bottom: 10px;
    word-break: keep-all;
}
.abstract-submission .info-card-box p:last-child {
    margin-bottom: 0;
}
.abstract-submission .info-card-box strong {
    color: #060761;
    font-weight: 700;
}

/* Important Notes 박스 */
.abstract-submission .important-notes-box {
    padding: 26px 30px;
    margin-bottom: 45px;
    background-color: #fff9f9;
    border: 1px solid #fcdada;
    border-left: 5px solid #e50719;
    border-radius: 6px;
}
.abstract-submission .important-notes-box .notes-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 800;
    color: #e50719;
    margin-bottom: 16px;
}
.abstract-submission .important-notes-box .notes-header i,
.abstract-submission .important-notes-box .notes-header svg {
    width: 20px;
    height: 20px;
}
.abstract-submission .important-notes-box ul {
    margin: 0;
    padding-left: 20px;
    list-style: disc;
}
.abstract-submission .important-notes-box ul li {
    font-size: 15.5px;
    line-height: 1.65;
    color: #3f3f3f;
    margin-bottom: 10px;
    word-break: keep-all;
}
.abstract-submission .important-notes-box ul li:last-child {
    margin-bottom: 0;
}
.abstract-submission .important-notes-box strong {
    color: #c40414;
    font-weight: 700;
}

/* Contact 박스 */
.abstract-submission .contact-card {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    padding: 26px 30px;
    margin-bottom: 30px;
    background-color: #f8fafc;
    border: 1px solid #dce4f1;
    border-radius: 8px;
}
.abstract-submission .contact-card .contact-info p {
    font-size: 16px;
    color: #334155;
    margin-bottom: 8px;
}
.abstract-submission .contact-card .contact-info p strong {
    color: #060761;
}
.abstract-submission .contact-card .contact-info .contact-email {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 16px;
    font-weight: 700;
    color: #060761;
}
.abstract-submission .contact-card .contact-info .contact-email i,
.abstract-submission .contact-card .contact-info .contact-email svg {
    width: 18px;
    height: 18px;
    color: #e50719;
}
.abstract-submission .contact-card .contact-info .contact-email a {
    color: #060761;
    text-decoration: underline;
}
.abstract-submission .contact-card .contact-info .contact-email a:hover {
    color: #e50719;
}
.abstract-submission .contact-card .contact-btn a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 22px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background-color: #060761;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.25s ease;
}
.abstract-submission .contact-card .contact-btn a i,
.abstract-submission .contact-card .contact-btn a svg {
    width: 16px;
    height: 16px;
}
.abstract-submission .contact-card .contact-btn a:hover {
    background-color: #e50719;
    transform: translateY(-2px);
}

/* 반응형 미디어 쿼리 */
@media screen and (max-width: 991px) {
    .abstract-submission .procedure-flow li {
        flex: 1 1 calc(33.333% - 10px);
    }
}
@media screen and (max-width: 767px) {

    .article .section .intro-box {
        padding: 24px 20px;
    }
    .abstract-submission .procedure-flow li {
        flex: 1 1 100%;
    }
    .abstract-submission .dates-table tbody th,
    .abstract-submission .dates-table tbody td {
        padding: 14px 16px;
        font-size: 14.5px;
    }
    .abstract-submission .contact-card {
        flex-direction: column;
        align-items: flex-start;
    }
    .abstract-submission .contact-card .contact-btn {
        width: 100%;
    }
    .abstract-submission .contact-card .contact-btn a {
        width: 100%;
        justify-content: center;
    }
}
/* ==================================================================================
    SUBMISSION - Presentation Guidelines ( Oral / Poster - 공통 )
================================================================================== */
.presentation-guideline .article {

}

/* 가이드라인 리스트 */
.presentation-guideline .guideline-list {
    margin: 0 0 45px;
    padding: 0;
    list-style: none;
    display: flex;
    flex-flow: column nowrap;
    gap: 10px;
}
.presentation-guideline .guideline-list li {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    padding: 16px 20px;
    background-color: #fbfcfe;
    border: 1px solid #e7ecf5;
    border-radius: 6px;
    font-size: 16px;
    line-height: 1.6;
    color: #334155;
    transition: all 0.2s ease;
}
.presentation-guideline .guideline-list li:hover {
    background-color: #f2f7ff;
    border-color: #c7d8f3;
}
.presentation-guideline .guideline-list li .bullet-icon {
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    margin-top: 2px;
    color: #060761;
}
.presentation-guideline .guideline-list li .bullet-icon i,
.presentation-guideline .guideline-list li .bullet-icon svg {
    width: 18px;
    height: 18px;
}
.presentation-guideline .guideline-list li strong {
    color: #060761;
    font-weight: 700;
}

/* 발표 / 진행 카드 그리드 */
.presentation-guideline .time-card-grid,
.presentation-guideline .stage-card-grid {
    display: flex;
    flex-flow: row wrap;
    gap: 16px;
    margin: 20px 0 35px;
}
.presentation-guideline .stage-card {
    flex: 1 1 calc(50% - 8px);
    min-width: 280px;
    display: flex;
    flex-flow: column nowrap;
    background-color: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 26px 22px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    transition: all 0.25s ease;
}
.presentation-guideline .stage-card:hover {
    border-color: #060761;
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(6, 7, 97, 0.08);
}
.presentation-guideline .stage-card .stage-badge {
    display: inline-block;
    align-self: flex-start;
    padding: 4px 13px;
    font-size: 14px;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fff;
    background-color: #060761;
    border-radius: 20px;
    margin-bottom: 14px;
}
.presentation-guideline .stage-card.highlight .stage-badge {
    background-color: #e50719;
}
.presentation-guideline .stage-card .stage-title {
    font-size: 26px;
    font-weight: 900;
    color: #060761;
    margin-bottom: 12px;
    line-height: 1.2;
}
.presentation-guideline .stage-card.highlight .stage-title {
    color: #e50719;
}
.presentation-guideline .stage-card ul {
    margin: 0;
    padding-left: 18px;
    list-style: disc;
}
.presentation-guideline .stage-card ul li {
    font-size: 16px;
    line-height: 1.65;
    color: #33445c;
    margin-bottom: 8px;
    word-break: keep-all;
    font-weight: 700;
}
.presentation-guideline .stage-card ul li:last-child {
    margin-bottom: 0;
}
.presentation-guideline .stage-card ul li strong {
    color: #060761;
    font-size: 17px;
    font-weight: 800;
}

/* 중요 안내 / 저작권 보호 박스 */
.presentation-guideline .important-notice-box {
    padding: 26px 30px;
    margin-bottom: 45px;
    background-color: #fff9f9;
    border: 1px solid #fcdada;
    border-left: 5px solid #e50719;
    border-radius: 6px;
}
.presentation-guideline .important-notice-box .notice-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 800;
    color: #e50719;
    margin-bottom: 14px;
}
.presentation-guideline .important-notice-box .notice-header i,
.presentation-guideline .important-notice-box .notice-header svg {
    width: 20px;
    height: 20px;
}
.presentation-guideline .important-notice-box p {
    font-size: 15.5px;
    line-height: 1.7;
    color: #3f3f3f;
    margin: 0;
    word-break: keep-all;
}
.presentation-guideline .important-notice-box strong {
    color: #c40414;
    font-weight: 700;
}

/* ==================================================================================
    SUBMISSION - Poster Presentation Guidelines
================================================================================== */
.poster.presentation-guideline .guideline-list li > span:not(.bullet-icon) {
    display: block;
    width: 100%;
    flex: 1 1 auto;
}
.poster.presentation-guideline .content-req-grid {
    display: flex;
    flex-flow: row nowrap;
    align-items: stretch;
    gap: 8px;
    width: 100%;
    margin-top: 12px;
}
.poster.presentation-guideline .content-req-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 9px 12px;
    background-color: #fff;
    border: 1px solid #dce4f2;
    border-radius: 6px;
    font-size: 14.5px;
    font-weight: 600;
    color: #334155;
    flex: 0 0 auto;
    white-space: nowrap;
    box-shadow: 0 1px 4px rgba(6, 7, 97, 0.03);
    transition: all 0.2s ease;
}
.poster.presentation-guideline .content-req-item:hover {
    border-color: #060761;
}
.poster.presentation-guideline .content-req-item:last-child {
    min-width: 0;
    white-space: normal;
    word-break: keep-all;
}
.poster.presentation-guideline .content-req-item .check-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    font-size: 12px;
    font-weight: 800;
    color: #fff;
    background-color: #060761;
    border-radius: 50%;
    flex-shrink: 0;
}



/* ==================================================================================
    Registration - registration-info
================================================================================== */

/* ==================================================================================
        SPONSORSHIP > our-partner
    ================================================================================== */
.our-partner .article > .section {

}
/* ==================================================================================
        accommodation
    ================================================================================== */


/* ==================================================================================
    optional-tour
================================================================================== */
.optional-tour .article .section {

}

/************************
    tour-list-area
************************/
.optional-tour .article .section ul.tour-list-area {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 16px;

    width: 100%;
}
.optional-tour .article .section ul.tour-list-area > li {
    flex: 0 0 440px;

    position: relative;
    max-width: 440px;
}
.optional-tour .article .section ul.tour-list-area > li > span {
    position: absolute;
    left: -7px;
    bottom: 12px;

    display: inline-block;
    padding: 6px 20px;
    font-size: 15px;
    font-weight: 700;
    color: #fff;
    background-color: #ef4b4b;
    z-index: 1;
}
.optional-tour .article .section ul.tour-list-area > li:nth-child(4) > span,
.optional-tour .article .section ul.tour-list-area > li:nth-child(5) > span,
.optional-tour .article .section ul.tour-list-area > li:nth-child(6) > span {
    background-color: #1c52c7;
}
.optional-tour .article .section ul.tour-list-area > li > span br {
    display: none;
}
.optional-tour .article .section ul.tour-list-area > li > a {
    display: flex;
    justify-content: center;
    align-items: center;

    overflow: hidden;
    position: relative;
    width: 100%;
    height: 300px;
    background-color: #fafafa;
}
.optional-tour .article .section ul.tour-list-area > li > a > img {
    max-width: unset;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s ease;
}
.optional-tour .article .section ul.tour-list-area > li > a:hover > img {
    transform: scale(1.12);
}

/************************************
    tour-list-area - modal popup
************************************/
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-dialog {
    max-width: 1200px;
}

/* header-area */
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 16px 16px;

    width: 100%;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main {
    flex: 0 0 280px;
    display: flex;
    justify-content: center;
    align-items: center;

    position: relative;
    width: 100%;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main span {
    position: absolute;
    left: -4px;
    bottom: 10px;

    display: inline-block;
    padding: 4px 12px;
    font-size: 14px;
    font-weight: 700;
    color: #fff;
    background-color: #000;
    z-index: 1;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main span br {
    display: none;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main > img {
    width: 100%;
    height: 100%;
}

.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info {
    flex: 1 1 676px;
    display: flex;
    flex-flow: column nowrap;
    gap: 16px;

    width: 100%;
    padding: 16px;
    background-color: #fafafa;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info h4 {
    font-size: 24px;
    font-weight: 900;
    color: #1415a9;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul {
    display: flex;
    flex-flow: column nowrap;
    gap: 2px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li {
    display: flex;
    gap: 10px;

    font-size: 17px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li > b {
    flex: 0 0 240px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li > span {

}

/* tour-area */
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area {

}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul {
    padding: 32px 0;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li {
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 24px;

    position: relative;
    padding: 0 0 32px 24px;
    border-left: 1px solid #4AC5FF
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li:last-child {
    padding-bottom: 0;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li::before {
    position: absolute;
    left: -9px;
    top: 0;
    display: block;
    content: "";
    width: 17px;
    height: 17px;
    border: 4px solid #4AC5FF;
    border-radius: 17px;
    background-color: #fff;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .thm {
    flex: 0 0 420px;
    display: flex;
    flex-flow: column nowrap;
    gap: 12px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .thm img {
    display: block;
    width: 100%;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info {
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 12px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 {
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: center;
    gap: 7px;

    position: relative;
    top: -3px;
    margin: 0;
    font-size: 21px;
    color: #4AC5FF;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 .btn-info-plus {
    outline: none;
    width: 24px;
    height: 24px;
    line-height: 18px;
    padding: 0;
    color: #fff;
    border-color: #4AC5FF;
    border-radius: 24px;
    background-color: #4AC5FF;
    transition: all 0.5s;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 .btn-info-plus ion-icon {
    font-size: 17px;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 .btn-info-plus:hover {
    border-color: #1112ad;
    background-color: #1112ad;
}
.optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li p {
    font-size: 18px;
}

/************************
    info-area
************************/
.optional-tour .article .section .info-area {
    display: flex;
    flex-flow: row wrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 24px 2%;

    width: 100%;
    margin: 32px 0 0;
    padding: 24px;
    background-color: #f7f7f7;
}

/* info */
.optional-tour .article .section .info-area > .info {
    flex: 0 0 42%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: stretch;
    gap: 32px;
}
.optional-tour .article .section .info-area > .info .date {
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 16px;

    line-height: 1;
}
.optional-tour .article .section .info-area > .info .date em {
    font-size: 28px;
    font-weight: 900;
}
.optional-tour .article .section .info-area > .info .date strong {
    font-size: 56px;
    font-weight: 900;
}
.optional-tour .article .section .info-area > .info .contact {
    display: flex;
    flex-flow: row nowrap;
    justify-content: flex-start;
    align-items: center;
    gap: 24px;
}
.optional-tour .article .section .info-area > .info .contact .ci {
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #f7f7f7;
}
.optional-tour .article .section .info-area > .info .contact ul {
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 4px;
}
.optional-tour .article .section .info-area > .info .contact ul li {
    font-size: 17px;
}

/* faq */
.optional-tour .article .section .info-area > .faq {
    flex: 0 0 56%;
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-end;
    align-items: flex-start;
    gap: 12px;
}
.optional-tour .article .section .info-area > .faq h5 {
    font-size: 24px;
    font-weight: 900;
    color: #1415a9;
}
.optional-tour .article .section .info-area > .faq p {
    font-size: 17px;
}
.optional-tour .article .section .info-area > .faq ol {
    display: flex;
    flex-flow: column nowrap;
    justify-content: flex-start;
    align-items: flex-start;
    gap: 4px;

    margin: 0 0 0 20px;
    list-style: decimal;
}
.optional-tour .article .section .info-area > .faq ol li {
    font-size: 17px;
}
.optional-tour .article .section .info-area > .faq ol li span {
    display: inline-block;
}
.optional-tour .article .section .info-area > .faq ol li a {
    display: inline-flex;
    flex-flow: row nowrap;
    justify-content: center;
    align-items: center;
    gap: 7px;

    position: relative;
    top: -2px;
    height: 32px;
    margin: 0 0 0 4px;
    padding: 0 12px;
    vertical-align: middle;
    font-size: 17px;
    color: #000;
    border: 1px solid #dfdfdf;
    border-radius: 30px;
    background-color: #fff;
}
.optional-tour .article .section .info-area > .faq ol li a img {
    width: 15px;
}
.optional-tour .article .section .info-area > .faq ol li a b {
    font-size: 15px;
}
.optional-tour .article .section .info-area > .faq ol li a .feather {
    width: 16px;
    height: 16px;
}

/* note-area */
.optional-tour .article .section .info-area .note {
    display: inline-flex;
    flex-flow: row wrap;

    padding: 10px 15px;
    text-align: left;
    font-size: 17px;
    border: 1px solid #e8e795;
    background-color: #faf9b6;
}
.optional-tour .article .section .info-area .note .text-danger {
    font-weight: 900;
}
.optional-tour .article .section .info-area .empty {
    flex: 0 0 56%;
}

/* ==================================================================================
    Transportation
================================================================================== */
.transportation .section div.ta-center img {
    max-width: 1200px;
    width: 100%;
}
.transportation .article .section .btn-area .btn {
    display: flex;
    align-items: center;
    gap: 16px;
}
.transportation .article .section .btn-area .btn ion-icon {
    font-size: 26px;
}
.transportation .img-area {
    display: flex;
    align-items: start;
    gap: 20px;
    padding: 20px 0;
}

.transportation .img-area .table-responsive {
    width: 62%;
}
/* 모달 */
.modal {

}
.modal .modal-dialog {
    margin: 80px auto;
    max-width: 960px;
    width: 100%;
    padding: 0 10px;
}
.modal .modal-dialog .modal-content {
    border-radius: 5px;
    box-shadow: 0px 1px 9px 3px rgba(0, 0, 0, 0.15);
    border:none;
    overflow: hidden;
    background-color:transparent;
}
/*모달 헤더*/
.modal-header {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background-color: #000000;
    border-top: 1px solid #000000;
}

.modal-header .close-btn {
    display: flex;
    align-items: center;
    background-color:transparent;
    border: none;
    cursor:pointer;
}

.modal-header .close-btn svg {
    color: #fff;
}

.modal-header .modal-title {
    width: 100%;
    margin-left: 36px;
    margin-top: 0;
    text-align:center;
    color: #fff;
    font-size: 20px;
    font-weight: 800;
}

/*모달 바디*/
.modal-body {
    padding: 24px;
    background: #FFF;
    box-shadow: 0px 1px 9px 3px rgba(0, 0, 0, 0.15);
}
.transportation .img-area .modal-body .table-responsive {
    width: 100%;
}
.transportation .img-area .modal-body .img-area {
    flex-direction: column;
}
.tab-content .modal-body  h4 {
    margin: 20px 0 10px;
}
.modal-body h5 {
    margin: 15px 0 5px;
    font-weight: 800;
    font-size: 20px;
}
.modal-body .img-area img {
    width: 95%;
}
/*모달 버튼*/
.modal-btn {
    display: flex;
    gap: 10px;
    margin-top: 5px;
    cursor: pointer;
}
.modal-btn > li {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 7px;
    width: 100px;
    padding: 5px;
    background-color: #ff9b00;
    border-radius: 50px;
    transition: all 0.3s;
}
.modal-btn > li:hover {
    background-color: #cf8000;
}
.modal-btn > li .feather {
    width: 18px;
    color: #fff;
}
.article .section .modal-btn > li img {
    width: 27px;
    height: 27px;
    margin:0;
}
.modal-btn > li .dollar-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50px;
    border: 1px solid #fff;
}

/* ==================================================================================
   traveler-essentials
================================================================================== */
.traveler-essentials .article .section .nav-pills {
    margin: 50px 0 55px;
    gap: 10px 1%;
}
.traveler-essentials .article .section .nav-pills li {
    flex: 1 1 49%;
    margin:0;
}
.traveler-essentials .nav:before, .traveler-essentials .nav:after {
    display: none;
}
.traveler-essentials .article .section .nav-pills li a {
    position: relative;
    height: 200px;
    color: #fff;
    background-position:  center center;
    background-repeat: no-repeat;
    font-size: 27px;
    z-index: 9;
    background-size: cover;
}
.traveler-essentials .article .section .nav-pills li a::after {
    content:"";
    position:absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.27);
    z-index: -9;
    transition: all 0.4s;
}
.traveler-essentials .article .section .nav-pills li:hover a::after {
    background-color: rgba(0, 0, 0, 0.58);
}

/* ==================================================================================
  Sightseeing
================================================================================== */
.sightseeing .img-area {
    display: flex;
    gap: 2%;
}
.sightseeing .img-area img {
    width: 49%;
}
.sightseeing .article .section p.section-paragraph {
    margin-bottom: 40px;
}
.sightseeing .article .section .btn-area {
    justify-content: flex-start;
    gap: 10px;
}
.sightseeing .article .section h2.section-title {
    margin-bottom: 0;
}
.sightseeing .tab-pane .btn-area a {
    display: flex;
}
.sightseeing .tab-pane .btn-area a .feather {
    width: 25px;
    height: 25px;
}

/* ==================================================================================
    vendors
================================================================================== */

/*tab-custom*/
.nav-tabs.nav-justified > li > a {
    font-size: 18px;
}
.nav-tabs.nav-justified > li > a {
    color: #c0b9f1;
    border-bottom: 1px solid #ddd;
    border-radius: 2px 2px 0 0;
}
.nav-tabs > li.active > a, .nav-tabs > li.active > a:hover, .nav-tabs > li.active > a:focus {
    background-color: #c0b9f1;
    color: #fff;
    cursor: default;
    /*background-color: #fff;*/
    border: 0 solid #ddd;
    border-bottom-color: transparent;
    font-weight: 700;
}
.nav-tabs.nav-justified > .active > a, .nav-tabs.nav-justified > .active > a:hover, .nav-tabs.nav-justified > .active > a:focus {
    border: 0px solid #ddd;
}

/* ==================================================================================
    Visa
================================================================================== */
.visa .btn-info-plus {
    outline: none;
    padding: 0px 9px;
    margin-left: 10px;
    line-height: 1.4;
    font-size: 22px;
    color: #80d5ff;
    border-color: #060761;
    border-radius: 50px;
    background-color: #060761;
    transition: all 0.5s;
}
.visa .btn-info-plus:hover {
    color: #060761;
    border-color: #80d5ff;
    background-color: #80d5ff;
}

.visa .btn-search {
    position: relative;
    top: -5px;
    display: inline-block;
    margin-left: 10px;
    padding: 7px 16px;
    font-size: 17px;
    color: #fff;
    border-color: #060761;
    border-radius: 50px;
    background-color: #060761;
    transition: all 0.5s;
}
.visa .btn-search:hover {
    color: #80d5ff;
}
.visa .btn-search b {
    display: inline-block;
    vertical-align: middle;
}
.visa .btn-search .feather {
    display: inline-block;
    width: 20px;
    height: 20px;
    vertical-align: middle;
    margin-left: 7px;
}

/* ==================================================================================
    DISCOVER
================================================================================== */
.korea-venue-list {
    display: flex;
    flex-wrap: wrap;
    gap: 15px 1.25%;
    padding: 20px;
    background-color: #f3f3f3;
}
.korea-venue-list li {
    width: 32.5%;
    height: 260px;
    overflow: hidden;
}
.tourist-list {
    display: flex;
    flex-direction: column;
}
.tourist-list li {
    display: flex;
    align-items: center;
    gap: 25px;
    padding: 20px 5px;
    border-bottom: 1px solid #dfdfdf;
}
.tourist-list p {
    font-size: 17px;
    line-height: 1.4;
    color: #666;
    text-align: justify;
}

.hashtag-area {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    padding: 30px 0 40px;
}
.hashtag-btn {
    padding: 9px 15px;
    background-color: #000;
    border-radius: 50px;
    color: #fff;
    font-weight: 800;
    font-size: 20px;
    line-height: 1;
    border: 1px solid #000;
}
.hashtag-btn:hover {
    background-color: #fff;
    color: #d51a26;
    border: 1px solid #d51a26;
}
/* tab contents */
.article .section .nav-pills {
    display: flex;
    justify-content: space-between;
    margin: 0 0 55px;
    gap: 5px;
}
.section .nav-pills li {
    flex: 1 1 17%;
}
.section .nav-pills li.w-33 {
    flex: 0 1 32% !important;
}
.article .section .nav-pills li a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 15px 0;
    text-align: center;
    font-size: 1.8rem;
    font-weight: 800;
    color: #999;
    word-break: keep-all;
    background-color: #eee;
    line-height: 1.2;
}
.article .section .nav-pills li.active a {
    color: #ffffff;
    background-color: #000000;
}

.article .section .default-text {
    font-size: 40px;
    position: absolute;
    font-weight: 800;
    right:90px;
    bottom: 35px;
    color: #dfdfdf;
}

/* tab contents > sub tab */
.article .section .nav-pills.sub-tab-btn {
    flex-wrap: wrap;
    gap: 10px 0;
    background-color: #edf1f7;
    border: 2px dotted #c8cfda;
}
.article .section .nav-pills.sub-tab-btn li {
    flex: 1 1 32%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.article .section .nav-pills.sub-tab-btn li a {
    color: #818181;
    gap: 10px;
}
.article .section .nav-pills.sub-tab-btn li a {
    padding: 25px 0;
    background-color: transparent;
}
.article .section .nav-pills.sub-tab-btn li a b {
    padding: 5px 12px;
    background-color: #818181;
    border-radius: 50px;
    color: #ffffff;
    font-weight: 800;
}
.article .section .nav-pills.sub-tab-btn li:hover a b {
    background-color: #060761;
    color: #80d5ff;
}
.article .section .nav-pills.sub-tab-btn li:hover a,
.article .section .nav-pills.sub-tab-btn li.active a {
    color: #060761;
}
.article .section .nav-pills.sub-tab-btn li:hover a b,
.article .section .nav-pills.sub-tab-btn li.active a b {
    background-color: #060761;
    color: #80d5ff;
}
.article .section .nav-pills.sub-tab-btn li a {
    flex-direction: column;
}
.tab-content h3 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 60px 0 50px;
    font-weight: 800;
    font-size: 25px;
}
.tab-content h3 b {
    background-color: #060761;
    color: #80d5ff;
    border-radius: 50px;
    padding: 7px 15px;
}
.tab-content h3 a {
    display: flex;
    align-items: center;
}
.tab-content h4 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 40px 0 10px;
    font-weight: 800;
    font-size: 22px;
    color: #060761;
}
.tab-content h4 a {
    display: flex;
    align-items: center;
}
.tab-content h5 {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 30px 0 10px;
    font-weight: 800;
    font-size: 18px;
}
.tab-content h5 a {
    display: flex;
    align-items: center;
}
/*tab-content.sub-tab*/
.tab-content.sub-tab .icon-title-area {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 30px 0 10px;
}
.tab-content.sub-tab .icon-title-area span {
    color: #ff9b00;
    font-weight: 800;
    font-size: 25px;
}
.tab-content.sub-tab .icon-title-area img {
    width: 45px;
    margin: 0;
}
.tab-content.sub-tab .icon-title-area a {
    display: flex;
    align-items: center;
    color: #ff9b00;
}
.tab-pane a .feather {
    transition: all 0.5s;
}
.tab-pane a:hover .feather {
    color: #80d5ff;
}
.tab-pane .btn-area a .feather {
    width: 50px;
    height: 50px;
}

/* ==================================================================================
  venue
================================================================================== */
.venue .section {
    max-width: 1300px;
    margin: 0 auto;
}


/* ==================================================================================
    plenary_speakers.vm
================================================================================== */

/* ==================================================================================
    plenary_speakers.vm
================================================================================== */
.plenary-speakers .article .section .info-box {
    margin-bottom: 30px;
    padding: 0;
    border: 0;
    background-color: #fff;
}
.plenary-speakers .article .section .info-box .feather {
    width: 34px;
    height: 34px;
    color: #80d5ff;
}
.plenary-speakers .article .section .info-box h2.section-title {
    margin-bottom: 0;
    font-size: 45px;
    color: #80d5ff;
}
.plenary-speakers .speakers-list {
    display: flex;
    flex-direction: column;
    gap: 70px;
}
.plenary-speakers .speakers-list > li {
    display: flex;
    align-items: flex-start;
    gap: 3%;
}
.plenary-speakers .speakers-list .profile-area {
    display: flex;
    flex-direction: column;
    width: 22%;
    position: relative;
    align-items: flex-end;
    padding: 26px 24px 20px;
    border-radius: 5px;
    background-color: #060761;
    transition: all 0.3s;
}
.plenary-speakers .speakers-list .profile-area span.plenary {
    position: absolute;
    left: -52px;
    top: 50px;
    color: rgba(255, 255, 255, 0.39);
    font-size: 31px;
    font-weight: 800;
    transform: rotate(90deg);
}
.plenary-speakers .speakers-list .profile-area p.name {
    margin-top: 3px;
    color: #fff;
    text-align: right;
    font-size: 25px;
    font-weight: 800;
}
.plenary-speakers .speakers-list .profile-area .label {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    padding: 5px 14px;
    background-color: #80d5ff;
    border-radius: 8px;
}
.plenary-speakers .speakers-list .profile-area .label i {
    font-size: 14px;
    color: #060761;
    line-height: 1.1;
}
.plenary-speakers .speakers-list .profile-area .profile-img {
    width: 180px;
    height: 190px;
    transform: scaleX(-1);
    overflow: hidden;
}
.plenary-speakers .btn-info {
    padding: 0px 9px;
    margin-left: 10px;
    color: #80d5ff;
    background-color: #060761;
    border-color: #060761;
    border-radius: 50px;
    font-size: 22px;
    transition: all 0.5s;
    outline: none;
    line-height: 1.4;
}
.plenary-speakers .btn-info:hover {
    background-color: #80d5ff;
    color: #060761;
    border-color: #80d5ff;
}
.plenary-speakers .contents-area {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 80%;
}
.plenary-speakers .contents-area .time {
    display: flex;
    align-items: flex-start;
    gap: 5px;
    padding: 0;
    font-size: 21px;
    color: #ff8080;
    font-weight: 800;
    /*background-color: #ff8080;*/
    /*border-radius: 3px;*/
}
.plenary-speakers .contents-area .contents-title {
    margin: 5px 0 10px;
    line-height: 1.4;
    font-size: 26px;
    font-weight: 900;
    color: #060761;
}
.plenary-speakers .contents-area ol {
    list-style: decimal;
    margin-left: 16px;
}
.plenary-speakers .contents-area ol li {
    margin: 0 0 15px;
}

/* ==================================================================================
    invited_speakers.vm
================================================================================== */

.invited-speakers .article .section .nav-pills li a {
    background-color: #060761;
    color: #fff;
}
.invited-speakers .article .section .topic-btn {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 20px;
}
.invited-speakers .nav:after,.invited-speakers .nav:before {
    display: none !important;
}

.invited-speakers .article .section .topic-btn li a {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    min-height: 140px;
    padding: 18px 25px;
    color: #666;
    background-color: #eee;
    border-radius: 20px;
    font-weight: 800;
    font-size: 20px;
    cursor : pointer;
    transition: all 0.3s;
}
.invited-speakers .article .section .topic-btn li:hover a,
.invited-speakers .article .section .topic-btn li.active a {
    background-color: #060761;
    color: #fff;
}
.invited-speakers .topic-btn p:first-child {
    font-size: 30px;
}
.invited-speakers .speakers-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    gap: 40px 3.7%;
    padding: 30px 5px;
}
.invited-speakers .speakers-list li {
    display: flex;
    flex-flow: column;
    align-items: flex-start;
    width: 17%;
    /*max-width: 220px;*/
    /*width: 100%;*/
}
.invited-speakers .speakers-list p.img-area {
    display: flex;
    align-items: center;
    position: relative;
    max-width: 216px;
    height: 260px;
    width: 100%;
    margin: 0 0 20px 0 ;
    background-color: #eeeeee;
    overflow: hidden;
    border: 2px solid #ededed;
    border-radius: 5px;
}
.invited-speakers .speakers-list p.img-area img {
    min-width: 216px;
    min-height: 260px;
    width: 100%;
    margin: 0;
}
.invited-speakers .speakers-list p.img-area.default-img {
    padding-top: 20px;
}
.invited-speakers .speakers-list .label {
    position: absolute;
    bottom: 0;
    left:0;
    padding: 7px 10px;
    color: #fff;
    border-radius: 0;
}
.invited-speakers .speakers-list .label.keynote {
    background-color: #ff8a43;
}
.invited-speakers .speakers-list .label.invited {
    background-color: #ffc720;
}

.invited-speakers .speakers-list .name {
    font-size: 22px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 8px;
}
.invited-speakers .speakers-list .affiliation {
    position: relative;
    font-size: 16px;
    letter-spacing: -0.8px;
    line-height: 1.2;
}

.invited-speakers .speakers-list .title {
    position: relative;
    margin-top: 25px;
    font-size: 16px;
    color: #888;
    letter-spacing: -0.8px;
    line-height: 1.3;
}
.invited-speakers .speakers-list .title:before {
    content: " ";
    display: inline-block;
    position: absolute;
    top: -10px;
    left: 0;
    width: 90px;
    height: 1px;
    background-color: #d3d3d3;
}
.invited-speakers .tab-content > .active {
    padding: 20px 0;
}

/* ==================================================================================
    반응형 스타일 - 공통
================================================================================== */

/* 1420px */
@media screen and (max-width: 1420px) {

    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        tour-list-area
    ************************/
    .optional-tour .article .section ul.tour-list-area > li {
        flex: 1 1 360px;

        max-width: unset;
    }
    .optional-tour .article .section ul.tour-list-area > li > span {
        bottom: 10px;

        padding: 4px 16px;
        font-size: 15px;
    }
    .optional-tour .article .section ul.tour-list-area > li > a {
        height: 280px;
    }

    /************************
        info-area
    ************************/
    .optional-tour .article .section .info-area {
        gap: 24px 2%;
    }

    /* info */
    .optional-tour .article .section .info-area > .info {
        flex: 0 0 38%;
    }
    .optional-tour .article .section .info-area > .info .date {
        gap: 12px;
    }

    /* faq */
    .optional-tour .article .section .info-area > .faq {
        flex: 0 0 60%;
    }

}

/* 1400px */
@media screen and (max-width: 1400px) {

    /* ==================================================================================
      venue
    ================================================================================== */

    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        info-area
    ************************/
    /* info */
    .optional-tour .article .section .info-area > .info {
        flex: 0 0 36%;
    }
    .optional-tour .article .section .info-area > .info .date {
        gap: 12px;
    }
    .optional-tour .article .section .info-area > .info .contact {
        gap: 16px;
    }
    .optional-tour .article .section .info-area > .info .contact .ci {
        padding: 10px 0;
    }

    /* faq */
    .optional-tour .article .section .info-area > .faq {
        flex: 0 0 62%;
    }

    /*accommodation*/
    .accommodation .article .section .hotel-tab-area .nav li a {
        background-size: cover;
    }
    .accommodation .article .section .hotel-tab-area .nav li a:hover {
        background-size: cover;
    }
}


/* 1300px */
@media screen and (max-width: 1300px) {

    /* ==================================================================================
        Submission - Abstract Submission
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .info-area strong {
        font-size: 36px;
    }
    .registration-info .article .tab-area .info-area em {
        font-size: 36px;
    }

    .committee .article .section .committee-list {
        align-items: flex-start;
        flex-direction: column;
    }
    .committee-title {
        justify-content: center;
        text-align: center;
    }
    .committee-title > span {
        font-size: 20px;
    }

    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        info-area
    ************************/
    /* info */
    .optional-tour .article .section .info-area > .info {
        flex: 0 0 35%;
    }
    .optional-tour .article .section .info-area > .info .contact .ci img {
        width: 100px;
    }
    .optional-tour .article .section .info-area > .info .contact ul li {
        font-size: 16px;
    }

    /* faq */
    .optional-tour .article .section .info-area > .faq {
        flex: 0 0 63%;
    }
    .optional-tour .article .section .info-area > .faq ol li {
        font-size: 16px;
    }
    .optional-tour .article .section .info-area > .faq ol li a img {
        width: 14px;
    }
    .optional-tour .article .section .info-area > .faq ol li a b {
        font-size: 14px;
    }
    .optional-tour .article .section .info-area > .faq ol li a .feather {
        width: 14px;
        height: 14px;
    }
    .optional-tour .article .section .info-area > .note {
        padding: 7px;
        font-size: 17px;
    }

}


/* 1200px */
@media screen and (max-width: 1200px) {


    /* ==================================================================================
        Submission - Abstract Submission
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .submit-area {
        padding: 0 0 20px;
    }
    .abstract-submission .article .tab-area .info-area strong {
        font-size: 35px;
    }
    .abstract-submission .article .tab-area .tab-link a {
        font-size: 20px;
    }

    /* invited-speakers */
    .invited-speakers .speakers-list {
        justify-content: space-around;
    }
    .invited-speakers .speakers-list li {
        align-items: center;
        width: 30%;
    }
    .invited-speakers .speakers-list .affiliation,
    .invited-speakers .speakers-list .title {
        text-align: center;
    }
    .invited-speakers .speakers-list .title:before {
        left: 50%;
        margin-left: -45px;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area strong {
        font-size: 32px;
    }
    .registration-info .article .tab-area .info-area em {
        font-size: 32px;
    }

    /* submit-area */
    .registration-info .article .tab-area .submit-area a {
        font-size: 22px;
    }
    .registration-info .article .tab-area .submit-area a em {
        font-size: 15px;
    }
    .registration-info .article .tab-area .submit-area a .feather {
        width: 36px;
        height: 36px;
    }

    /* tab-link */
    .registration-info .article .tab-area .tab-link a {
        padding: 16px;
    }
    .registration-info .article .tab-area .paper-area a,
    .registration-info .article .tab-area .invoice-area a {
        line-height: 1.2;
    }

    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        info-area
    ************************/
    /* info */
    .optional-tour .article .section .info-area {
        flex-flow: column nowrap;
        gap: 32px;
    }
    .optional-tour .article .section .info-area > .info {
        flex: unset;
    }

    /* ==================================================================================
       our-partner
   ================================================================================== */
    .our-partner .partner-logo-list li a {
        height: 150px;
    }

}

/* 1100px */
@media screen and (max-width: 1100px) {


    /* ==================================================================================
        Submission - Abstract Submission
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .info-area strong {
        font-size: 34px;
    }

    /* submit-area */
    .abstract-submission .article .tab-area .submit-area a {
        font-size: 26px;
    }
    .abstract-submission .article .tab-area .submit-area a .feather {
        width: 28px;
        height: 28px;
    }

    /* tab-link */
    .abstract-submission .article .tab-area .tab-link a {
        font-size: 21px;
    }
    .abstract-submission .article .tab-area .tab-link.result-area a {
        font-size: 17px;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area strong {
        font-size: 28px;
    }
    .registration-info .article .tab-area .info-area em {
        font-size: 28px;
    }

    /* submit-area */
    .registration-info .article .tab-area .submit-area a {
        padding: 0 8px 0 16px;
    }
    .registration-info .article .tab-area .submit-area a b {
        font-size: 21px;
    }
    .registration-info .article .tab-area .submit-area a em {
        font-size: 13px;
    }

    /* tab-link */
    .registration-info .article .tab-area .tab-link a {
        font-size: 16px;
    }

    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************************
        tour-list-area - modal popup
    ************************************/
    /* header-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main {
        flex: 0 0 240px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main span {
        bottom: 8px;
        padding: 4px 10px;
        font-size: 12px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info {
        flex: 1 1;
        gap: 16px;

        padding: 16px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info h4 {
        font-size: 24px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li {
        display: flex;
        gap: 10px;

        font-size: 17px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li > b {
        flex: 0 0 240px;
    }

    /* tour-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul {
        padding: 44px 0;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li {
        gap: 24px;

        padding: 0 0 36px 24px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .thm {
        flex: 0 0 360px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info {
        gap: 10px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 {
        font-size: 20px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 .btn-info-plus {
        width: 21px;
        height: 21px;
        line-height: 15px;
        border-radius: 21px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 .btn-info-plus ion-icon {
        font-size: 15px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li p {
        font-size: 17px;
    }
    /*presentation-guideline*/
    .presentation-guideline .stage-card {
        flex: 1 1 100%;
    }
    .poster.presentation-guideline .content-req-grid {
        flex-wrap: wrap;
    }
    .poster.presentation-guideline .content-req-item {
        flex: 1 1 calc(33.333% - 6px);
    }
    .poster.presentation-guideline .content-req-item:last-child {
        flex: 1 1 100%;
    }
}


/* ==================================================================================
    반응형 스타일 - 모바일 메뉴
================================================================================== */
/* 960px - 모바일 메뉴 시작 */
@media screen and (max-width: 960px) {


    .article .section .nav-pills.sub-tab-btn li {
        flex: 1 1 49%;
    }

    /* ==================================================================================
        topics
    ================================================================================== */
    .topics .article ul.topic-list {
        flex-flow: column nowrap;
        gap: 20px 4%;
    }

    /* ==================================================================================
        plenary_speakers
    ================================================================================== */
    .plenary-speakers .speakers-list li {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .plenary-speakers .speakers-list .contents-area {
        width: 100%;
    }

    .plenary-speakers .speakers-list .profile-area {
        width: 50%;
    }


    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .info-area {
        flex: 1 1 50%;
        flex-flow: column nowrap;
        gap: 16px;
        padding: 30px;
    }

    .abstract-submission .article .tab-area .info-area a {
        border-radius: 42px;
    }

    .abstract-submission .article .tab-area .info-area a::after {
        display: none;
    }

    .abstract-submission .article .tab-area .submit-area {
        flex: 1 1 50%;
        justify-content: center;
        gap: 7px;

        padding: 0;
    }

    .abstract-submission .article .tab-area .submit-area em b {
        font-size: 24px;
    }

    /* tab-link */
    .abstract-submission .article .tab-area .tab-link a {
        font-size: 19px;
    }

    .abstract-submission .article .tab-area .tab-link a .feather {
        right: 3px;
        bottom: 0;
        width: 21px;
        width: 21px;
    }

    .invited-speakers .article .section .topic-btn {
        flex-flow: column;
    }

    .invited-speakers .article .section .topic-btn li {
        width: 100%;
    }

    .invited-speakers .article .section .topic-btn li a {
        min-height: 0px;
        padding: 10px 25px;
        font-size: 17px;
    }

    .invited-speakers .topic-btn p:first-child {
        font-size: 20px;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area {
        padding: 24px;
    }

    .registration-info .article .tab-area .info-area strong {
        font-size: 24px;
    }

    .registration-info .article .tab-area .info-area em {
        font-size: 24px;
    }

    /* submit-area */
    .registration-info .article .tab-area .submit-area {
        padding: 16px;
    }

    .registration-info .article .tab-area .submit-area a {
        gap: 12px;
        height: 60px;
        padding: 0px 12px;
        border-radius: 60px;
    }

    .registration-info .article .tab-area .submit-area a b {
        font-size: 17px;
    }

    .registration-info .article .tab-area .submit-area a em {
        font-size: 12px;
    }

    .registration-info .article .tab-area .submit-area a ion-icon {
        font-size: 24px;
    }

    .registration-info .article .tab-area a {
        font-size: 15px !important;
    }

    /* table */
    .registration-info .article .section #fee .table-responsive .table tbody th em {
        font-size: 12px;
    }

    .registration-info .article .section #fee .table-responsive .table tbody td em {
        font-size: 12px;
    }

    /* ==================================================================================
        optional-tour
    ================================================================================== */
    /************************************
        tour-list-area - modal popup
    ************************************/
    /* header-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main {
        flex: 0 0 240px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info h4 {
        font-size: 21px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li {
        font-size: 15px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li > b {
        flex: 0 0 200px;
    }

    /* tour-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li {
        flex-flow: column nowrap;
        gap: 12px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .thm {
        flex: unset;
        order: 2;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul > li .info h5 {
        font-size: 20px;
    }

    /*accommodation*/
    .accommodation .section .hotel-tab-area .nav.nav-pills li {
        flex: 1 1 49%;
    }

    .accommodation .article .section .top-area {
        flex-direction: column;
    }

    .accommodation .article .section .info-area {
        flex-direction: row;
    }

    .accommodation .article .section .info-area .date p {
        font-size: 23px;
    }

    .accommodation .article .section .info-area .date strong {
        font-size: 30px;
    }

    .accommodation .article .section .hotel-tab-area .nav li a {
        height: 210px;
    }

    .oral.presentation-guideline ul.icon-area li {
        justify-content: space-between;
    }

    .oral.presentation-guideline .img-contents-area {
        flex-direction: column;
        align-items: start;
    }

    .oral.presentation-guideline ul.icon-area {
        flex-direction: column;
        gap: 0;
    }

    .oral.presentation-guideline ul.icon-area li.arrow {
        transform: rotate(90deg);
        justify-content: center;
    }

    /* ==================================================================================
accommodation
================================================================================== */
    .accommodation .article .section .info-area img {
        width: 130px;
    }

    .presentation-schedule .quick-btn-area ul.check-list {
        flex: 0 1 100%;
    }

    .presentation-schedule .quick-btn-area .quick-btn {
        flex: 0 1 48%;
    }

    /* ==================================================================================
        about_busan
    ================================================================================== */
    .hashtag-area {
        gap: 30px 15px;
    }

    .hashtag-btn {
        font-size: 17px;
    }

}
/* phone ~ 768px */
@media screen and (max-width: 768px) {


    /* ==================================================================================
        topics
    ================================================================================== */
    .topics .article ul.topic-list li .title .info {
        font-size: 18px;
        min-height: 60px;
    }
    /* ==================================================================================
          invited_speakers
      ================================================================================== */
    .invited-speakers .speakers-list li {
        width: 48%;
    }


    /* ==================================================================================
      venue
    ================================================================================== */
    .venue-info-area .venue-list {
        display: flex;
        flex-flow: column nowrap;
        justify-content: flex-start;
        gap: 40px 5%;
    }
    .venue-info-area .venue-list li {
        flex: 1 1 30%;
    }
    .venue-info-area .venue-list li span {
        height: 600px;
    }
    .venue-info-area .venue-list li div {
        font-size: 17px;
    }
    .venue-info-area .venue-list li div .hashtag-btn {
        font-size: 21px;
    }


    /* ==================================================================================
        Submission - Abstract Submission
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .info-area {
        flex: 1 1 100%;
        flex-flow: column nowrap;
        gap: 16px;
        padding: 30px;
    }
    .abstract-submission .article .tab-area .info-area a {
        display: none;
    }
    .abstract-submission .article .tab-area .submit-area {
        flex: 1 1 100%;
        justify-content: center;

        padding: 30px;
    }
    .abstract-submission .article .tab-area .submit-area em b {
        font-size: 32px;
    }

    /* tab-link */
    .abstract-submission .article .tab-area .tab-link {
        flex: 1 1 100%;
    }
    .abstract-submission .article .tab-area .tab-link a {
        padding: 12px;
        font-size: 21px;
    }
    .abstract-submission .article .tab-area .tab-link.result-area a {
        font-size: 21px;
    }
    .abstract-submission .article .tab-area .tab-link.result-area a br {
        display: none;
    }

    /*********************
     .tab-content-area
    ******************* */
    .abstract-submission .article .section #result .section-info .title-area {
        display: flex;
        flex-flow: column nowrap;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 0;

        margin: 0 0 5px;
    }
    .abstract-submission .article .section #result .section-info .title-area strong {
        margin: 0 0 0 33px;
        font-size: 26px;
    }

    /* ==================================================================================
        PROGRAM - Sitemap
    ================================================================================== */
    .sitemap .article .sitemap-area > ul {
        justify-content: center;
    }
    /* ==================================================================================
  presentation-guideline
================================================================================== */
    .presentation-guideline .guideline-list li {
        padding: 14px 16px;
        font-size: 15px;
    }
    .presentation-guideline .stage-card {
        padding: 20px 18px;
    }
    .presentation-guideline .stage-card .stage-title {
        font-size: 22px;
    }
    .presentation-guideline .important-notice-box {
        padding: 20px 18px;
    }
    .poster.presentation-guideline .content-req-item {
        flex: 1 1 100%;
    }
    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        info-area
    ************************/
    /* info */
    .optional-tour .article .section .info-area > .faq ol li span {
        display: inline;
    }

    /************************************
        tour-list-area - modal popup
    ************************************/
    /* header-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body {
        padding: 24px 16px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area {
        flex-flow: column nowrap;
        gap: 12px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .thm-main {
        flex: unset;
        max-width: 240px;
        height: 180px;
    }

    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li > b {
        flex: 0 0 220px;
    }

    /* ==================================================================================
       transportation
    ================================================================================== */
    .tab-content h3 {
        flex-direction: column;
        gap: 15px;
        text-align: center;
        font-size:19px;
    }
    .tab-content h4 {
        font-size: 17px;
    }
    .tab-content h3 {
        margin: 30px 0 20px;
    }
    .tab-content.sub-tab .icon-title-area span {
        font-size: 19px;
    }
    .section .nav-pills li {
        width: 100%;
    }
    .article .section .nav-pills {
        flex-direction: column;
    }
    .article .section .nav-pills.sub-tab-btn li a {
        padding: 7px 0 ;
    }
    .article .section .nav-pills.sub-tab-btn {
        flex-direction: row;
    }
    .article .section .nav-pills.sub-tab-btn li a p {
        display: none;
    }
    .article .section .nav-pills {
        margin: 0 0 30px 0 ;
    }


    /* ==================================================================================
       traveler-essentials
    ================================================================================== */
    .article .section .nav-pills {
        flex-direction: row;
    }
    .traveler-essentials .article .section .nav-pills {
        margin: 30px 0 25px;
        flex-flow: row wrap;
    }
    .traveler-essentials .article .section .nav-pills li a {
        height: 80px;
        font-size: 18px;
    }
    .traveler-essentials .article .section .tab-content {
        margin-top: -10px;
    }

    /* visa */
    .visa .article .section .nav-pills {
        flex-direction: column;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area {
        flex: 1 1 100%;
        width: 100%;
    }
    .registration-info .article .tab-area .info-area strong {
        font-size: 32px;
    }
    .registration-info .article .tab-area .submit-area {
        flex: 1 1 100%;
        flex-flow: row nowrap;
        justify-content: center;
        gap: 44px;
        padding: 24px 0;
    }
    .registration-info .article .tab-area .submit-area .btn-area {
        flex-flow: row wrap;
    }
    .registration-info .article .tab-area .submit-area a {
        padding: 0 16px 0 24px;
    }
    .registration-info .article .tab-area .submit-area a b {
        font-size: 21px;
    }
    .registration-info .article .tab-area .submit-area a ion-icon {
        font-size: 32px;
    }

    /* tab-link */
    .registration-info .article .tab-area .tab-link {
        flex: 1 1 32%;
    }
    .registration-info .article .tab-area .tab-link a {
        height: auto;
        padding: 16px 12px;
    }
    .registration-info .article .tab-area .tab-link.invitation-area a {
        border-right: 0;
        border-bottom: 1px solid #ccc;
    }
    /*accommodation*/
    .accommodation .article .section .tab-content > .tab-pane {
        padding-top: 50px;
    }
    .accommodation .article .section .tab-content > .tab-pane .contents {
        flex-direction: column;
    }
    .accommodation .article .section .tab-content > .tab-pane .hotel-img {
        flex: revert;
        align-items: center;
        height: 120px;
        background-position: center;
    }
    .accommodation .article .section .hotel-img svg {
        transform: rotate(90deg);
    }
    .accommodation .article .section .hotel-img p {
        font-size: 28px;
    }

    /* ==================================================================================
    presentation-schedule
================================================================================== */
    .presentation-schedule .article .section h2.section-title {
        font-size: 20px;
        padding: 15px 20px;
        border-radius: 20px 20px 0px 0px;
    }
    .presentation-schedule h3 {
        font-size: 25px;
    }
    .presentation-schedule h4 {
        font-size: 18px;
    }
    .presentation-schedule .quick-btn-area .quick-btn h5 {
        font-size: 20px;
    }
    .presentation-schedule .quick-btn-area .quick-btn .label {
        border-radius: 0px 0px 0 22px;
        padding: 8px 25px 8px;
    }


    /* ==================================================================================
        plenary-speakers
================================================================================== */
    .plenary-speakers .article .section .info-box h2.section-title {
        font-size: 25px;
    }
    /* ==================================================================================
        about_busan
================================================================================== */
    .korea-venue-list {
        flex-direction: column;
    }
    .korea-venue-list li {
        width: 100%;
        height: auto;
    }
    .korea-venue-list li img {
        width: 100%;
    }

}

/* phone ~ 640px */
@media screen and (max-width: 640px) {
    /*committee*/
    .committee .member-card-area {
        grid-template-columns: 1fr;
    }
    .article .section .btn-area a {
        width: 100%;
    }
    /* ==================================================================================
            Submission - Abstract Submission
        ================================================================================== */
    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .tab-link.result-area a {
        text-align: center;
        font-size: 17px;
    }
    .abstract-submission .article .tab-area .tab-link.result-area a br {
        display: block;
    }


    /* tourlist */
    .tourist-list li {
        flex-direction: column;
    }
    .tourist-list li .text-area {
        text-align: center;
    }
    .plenary-speakers .speakers-list .profile-area {
        width: 100%;
    }

    .invited-speakers .speakers-list li {
        width: 100%;
        align-items: center;
    }
    .invited-speakers .speakers-list .label {
        width: 220px;
    }
    .invited-speakers .speakers-list .affiliation::after {
        left: 50%;
        margin-left: -40px;
    }
    .invited-speakers .speakers-list .affiliation {
        text-align: center;
    }
    .invited-speakers .speakers-list p.img-area {
        margin-bottom: 10px;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area {
        padding: 24px;
    }
    .registration-info .article .tab-area .info-area strong {
        line-height: 1.3;
        font-size: 28px;
    }
    .registration-info .article .tab-area .submit-area {
        flex-flow: column nowrap;
        gap: 12px;
    }
    .registration-info .article .tab-area .submit-area a {
        gap: 32px;
        padding: 0px 24px;
    }

    /* tab-link */
    .registration-info .article .tab-area .tab-link {
        flex: 1 1 50%;
    }
    .registration-info .article .tab-area .tab-link.invitation-area a {
        border-right: 1px solid #ccc;
    }
    .registration-info .article .tab-area .tab-link.invoice-area a {
        border-right: 0;
        border-bottom: 1px solid #ccc;
    }
    /*registration*/
    .registration .article .number-area {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 10px;
    }
    .registration .article #digit_number_area {
        width: 100%;
    }
    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************************
        tour-list-area - modal popup
    ************************************/
    /* header-area */
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul {
        gap: 12px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li {
        flex-flow: column nowrap;
        gap: 2px;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .header-area .info ul > li b {
        flex: unset;
    }
    .optional-tour .article .section ul.tour-list-area > li > .modal .modal-body .tour-area > ul {
        padding: 32px 0;
    }
    /*accommodation*/
    .accommodation .article .section .info-area .date {
        display: flex;
        justify-content: space-between;
        flex-direction: column;
    }
    .accommodation .article .section .info-area .contact .profile-area .ci {
        margin:0;
    }
    .accommodation .article .section .info-area .contact .profile-area {
        justify-content: space-between
    }


}

@media screen and (max-width: 580px) {


}

/* phone ~ 480px */
@media screen and (max-width: 480px) {
    /* ==================================================================================
        optional-tour
    ================================================================================== */

    /************************
        tour-list-area
    ************************/
    .optional-tour .article .section ul.tour-list-area > li > a {
        height: 200px;
    }

    /************************
        info-area
    ************************/
    .optional-tour .article .section .info-area {
        gap: 24px;

        padding: 24px 16px;
    }

    /* info */
    .optional-tour .article .section .info-area > .info .date em {
        font-size: 17px;
    }
    .optional-tour .article .section .info-area > .info .date strong {
        font-size: 36px;
    }
    .optional-tour .article .section .info-area > .info .contact {
        flex-flow: column nowrap;
        justify-content: flex-start;
        align-items: flex-start;
        gap: 4px;
    }
    .optional-tour .article .section .info-area > .info .contact .ci {
        padding: 10px;
    }

    /* faq */
    .optional-tour .article .section .info-area > .faq h5 {
        font-size: 21px;
    }
    .optional-tour .article .section .info-area > .faq p {
        font-size: 15px;
    }
    .optional-tour .article .section .info-area > .faq ol li {
        font-size: 15px;
    }
    .optional-tour .article .section .info-area > .faq ol li a {
        gap: 4px;

        height: 26px;
        margin: 0 0 0 4px;
        padding: 0 8px;
        font-size: 14px;
        border-radius: 26px;
    }
    .optional-tour .article .section .info-area > .faq ol li a img {
        width: 12px;
    }
    .optional-tour .article .section .info-area > .faq ol li a b {
        font-size: 12px;
    }
    .optional-tour .article .section .info-area > .faq ol li a .feather {
        width: 12px;
        height: 12px;
    }

    /* note */
    .optional-tour .article .section .info-area > .note {
        font-size: 15px;
    }
    /*accommodation*/
    .accommodation .article .section .image-area {
        flex-direction: column;
    }
    .accommodation .article .section .image-area img {
        width: 100%;
    }
    .presentation-schedule .quick-btn-area {
        gap: 10px;
    }
    .oral.presentation-guideline .section .nav-pills li a {
        flex-direction: column;
        gap: 5px;
    }
    .presentation-schedule .quick-btn-area .quick-btn {
        flex: 0 1 100%;
        height: 75px;
        gap: 0px;
        padding: 10px 17px;
    }
    .presentation-schedule .quick-btn-area .quick-btn h5 {
        font-size: 18px;
    }
    .presentation-schedule .quick-btn-area .quick-btn p {
        font-size: 13px;
    }
    /*.presentation-schedule .quick-btn-area .quick-btn:nth-child(3) h5 {*/
    /*    gap: 2px;*/
    /*}*/
    .presentation-schedule .quick-btn-area .quick-btn:nth-child(3) h5 small {
        font-size: 13px;
    }
}

/* phone ~ 450px */
@media screen and (max-width: 450px) {


    /*accommodation*/
    .accommodation .article .section .info-area .date {
        flex-direction: column;
    }
    .accommodation .article .section .info-area img {
        width: 80px;
    }
    .accommodation .article .section .info-area {
        gap: 10px;
    }
    .accommodation .article .section .info-area .date p {
        font-size: 20px;
    }

}


/* phone ~ 380px */
@media screen and (max-width: 380px) {

    /*********************
     tab-area
    **********************/
    .abstract-submission .article .tab-area .info-area {
        padding: 20px;
    }
    .abstract-submission .article .tab-area .info-area strong {
        font-size: 21px;
    }
    .abstract-submission .article .tab-area .submit-area {
        padding: 20px;
    }
    .abstract-submission .article .tab-area .submit-area a {
        padding: 0 16px;
        font-size: 24px;
    }
    .abstract-submission .article .tab-area .submit-area em b {
        font-size: 21px;
    }


    /* tab-link */
    .abstract-submission .article .tab-area .tab-link a {
        font-size: 18px;
    }
    .abstract-submission .article .tab-area .tab-link a .feather {
        width: 21px;
        height: 21px;
    }

    /* #result */
    .abstract-submission .article .section #result .section-info .title-area .title .feather {
        width: 18px;
        height: 18px;
    }
    .abstract-submission .article .section #result .section-info .title-area .title span {
        font-size: 16px;
    }
    .abstract-submission .article .section #result .section-info .title-area strong {
        margin: 0 0 0 28px;
        font-size: 22px;
    }

    /* register-area */
    .abstract-submission .article .tab-area .register-area a {
        font-size: 18px;
    }
    .abstract-submission .article .tab-area .register-area a .feather {
        width: 21px;
        height: 21px;
    }

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area strong {
        line-height: 1.3;
        font-size: 24px;
    }
    .registration-info .article .tab-area .submit-area {
        flex-flow: column nowrap;
        gap: 12px;
    }
    .registration-info .article .tab-area .submit-area a {
        gap: 32px;
        padding: 0px 24px;
    }
    .registration-info .article .tab-area .tab-link {
        flex: 1 1 50%;
    }
}

/* phone ~ 380px */
@media screen and (max-width: 360px) {

    /* ==================================================================================
        Registration - registration-info
    ================================================================================== */
    /*********************
     tab-area
    **********************/
    .registration-info .article .tab-area .info-area strong {
        font-size: 21px;
    }
    .registration-info .article .tab-area .submit-area {
        padding: 16px;
    }
    .registration-info .article .tab-area .submit-area a {
        height: 60px;
        padding: 0 8px 0 24px;
    }
    .registration-info .article .tab-area .submit-area a b {
        font-size: 19px;
    }
    .registration-info .article .tab-area .submit-area a em {
        font-size: 11px;
    }
    .registration-info .article .tab-area .submit-area a ion-icon {
        font-size: 32px;
    }
    .registration-info .article .tab-area .tab-link {
        flex: 1 1 100%;
    }
    .accommodation .article .section .info-area .contact {
        gap: 10px;
    }
    .accommodation .article .section .info-area .contact .profile-area {
        flex-direction: column;
        align-items: flex-start;
    }
}