* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    line-height: 1.6;
    overflow-x: hidden;
}

.mobileh1 {
    display: none;
}
.zoom-button {
    display: none;
}
.header-content {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    gap: 40px;
}

.header-logo {
    width: 40px;
    margin-left: 15px;
    margin-bottom: -10px;
    float: left;
    position: absolute;
    top: 15px;
}
.header-logo img {
    width: 150px;
    height: auto;
}

.conference-buttons {
    position: absolute;
    left: 20px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 999;
}

.conf-btn {
    background-color: transparent;
    border: 2px solid #000000;
    color: #000000;
    padding: 10px 15px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 200px;
    justify-content: center;
    text-align: center;
}

.conf-btn:hover {
    background-color: #000000;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.conf-btn.download {
    border-color: #000;
    color: #000;
}

.conf-btn.download:hover {
    background-color: #000;
    color: #ffffff;
}

.conf-btn.live {
    border-color: #000;
    color: #000;
}

.conf-btn.live:hover {
    background-color: #000;
    color: #ffffff;
}

.youtube-icon {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

.download-icon {
    font-size: 16px;
}


.qrcode, .qrzoom {
    display: inline-block; 
    width: 80px; 
    height: auto;
}
.cul {
    flex-direction: column;
}
.cul h1 {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
}
.dessin {
    width: 300px;
    height: auto;
    flex-shrink: 0;

}
.header-text {
    text-align: center;
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.header-text h1 {
    margin-bottom: 10px;
}

.header-text h2 {
    margin-top: 0;
}

.hd {
    padding-left: 80px;
    height: 250px;
}

.desktopbanner {
    height: 250px;
}

.mobilebanner {
    display: none;
}

.main-header {
    background-color: #ffffff;
    color: #000000;
    padding: 10px 0;
    margin-bottom: 15px;;
    text-align: center;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.main-header h1 {
    font-size: 24px;
    font-weight: 600;
    letter-spacing: 1px;
    margin: 0;
    text-align: center;
}

.zoom-button {
    display: none;
}
.zoom-qr-container {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    margin: 10px 0;
}

.qrzoom {
    width: 100px;
    height: auto;
}

.qrcode {
    width: 100px;
    height: auto;
}
.language-switcher {
    position: absolute;
    right: 20px;
    top: 80%;
    transform: translateY(-50%);
    display: flex;
    gap: 5px;
}

.lang-btn {
    background-color: transparent;
    border: 2px solid #000000;
    color: #000000;
    padding: 8px 12px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    border-radius: 4px;
}

.lang-btn:hover, .lang-btn.active {
    background-color: #000000;
    color: #ffffff;
}
.toc {
    position: fixed;
    left: 20px;
    top: 360px;
    width: 250px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
    z-index: 999;
}

.toc ul {
    list-style: none;
    padding: 0;
}

.toc li {
    margin-bottom: 15px;
    padding-right: 20px;
    border-right: 2px solid transparent;
    transition: all 0.3s ease;
}

.toc li:hover {
    border-right-color: #000000;
}

.toc a {
    color: #000000;
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
    display: block;
    opacity: 0.7;
}

.toc a:hover {
    opacity: 1;
    transform: translateX(5px);
    font-weight: bold;
}

.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 280px 40px 60px;
    margin-left: 300px;
}

.conference-header {
    text-align: center;
    margin-bottom: 60px;
    padding: 40px 0;
    border-bottom: 2px solid #f0f0f0;
}

.conference-date {
    font-size: 16px;
    color: #666;
    margin-bottom: 20px;
    font-weight: 500;
}

.conference-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.conference-subtitle {
    font-size: 24px;
    font-weight: 600;
    color: #333;
}

.section {
    margin-bottom: 60px;
    scroll-margin-top: 320px;
}

.section h2 {
    font-size: 24px;
    font-weight: 700;
    position: relative;
    padding-bottom: 10px;
}

.section h3 {
    font-size: 22px;
    font-weight: 600;
    margin: 30px 0 20px;
}

.section p {
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 20px;
    text-align: left;
}

.program-subtitle {
    font-size: 18px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
    color: #333;
}

.program-day {
    margin-bottom: 50px;
}

.jdawel {
    background-color: #000000;
    color:white;
    padding: 2px 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;  
}
.jdawel-online {
    background: #6e0202;
    color:white;
    padding: 2px 4px;
    box-decoration-break: clone;
    -webkit-box-decoration-break: clone;  
}
.jdawel h3{
    font-size: 20px;
}
.jdawel-online h3{
    font-size: 20px;
}

.program-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 40px;
    background-color: #ffffff;
}

.program-table td {
    padding: 20px;
    vertical-align: top;
    text-align: left;
}

.program-table .time {
    width: 150px;
    font-weight: 600;
    background-color: #ffffff;
    font-size: 14px;
}

.program-table strong {
    display: inline-block;
    margin-bottom: 8px;
    font-size: 16px;
}

.program-table em {
    color: #666;
    font-size: 14px;
    display: block;
    margin: 5px 0;
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 30px;
    margin-top: 30px;
    align-items: center;
}

.sponsors-grid img {
    width: 100%;
    max-width: 150px;
    height: auto;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.sponsors-grid img:hover {
    transform: scale(1.05);
}

.organizers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.organizer img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.organizer img:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}



.keynote-details {
    margin-bottom: 30px;
    padding: 20px;
    background-color: #fafafa;
    border-radius: 8px;
}

.keynote-details p {
    margin-bottom: 10px;
}

.speaker-bio {
    background-color: #f5f5f5;
    padding: 25px;
    margin: 20px 0;
    border-radius: 8px;
    border-right: 4px solid #000000;
}

.exhibition-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.exhibition-item {
    padding: 25px;
    background-color: #fafafa;
    border-radius: 8px;
    transition: all 0.3s ease;
    border: 1px solid #e0e0e0;
}

.exhibition-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    background-color: #f5f5f5;
}

.exhibition-item h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: #000000;
}

.exhibition-item p {
    font-size: 14px;
    color: #666;
    line-height: 1.6;
}

@media (max-width: 1200px) {
    .content {
        margin-left: 0;
        padding: 280px 30px 60px;
    }
    
    .toc {
        display: none;
    }
    .jdawel {
        width: 100%;
    }
    .jdawel-online {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .header-content {
        flex-direction: column;
    }
    
    .header-logo {
        width: 40px;
        margin-left: 0;
        margin-bottom: 10px;
    }
    
    .conference-buttons {
        position: static;
        flex-direction: row;
        justify-content: center;
        margin: 15px 0;
        gap: 10px;
    }
    
    .conf-btn {
        min-width: 140px;
        font-size: 12px;
        padding: 8px 12px;
    }

    .main-header h1 {
        font-size: 20px;
    }
    
    .conference-title {
        font-size: 24px;
    }
    
    .conference-subtitle {
        font-size: 20px;
    }
    
    .section h2 {
        font-size: 24px;
    }
    
    .program-table {
        font-size: 14px;
    }
    
    .program-table .time {
        width: 120px;
    }
    
    .sponsors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .organizers-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .exhibition-grid {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 1480px) {
    .dessin {
        display: none;
    }
}
@media (max-width: 750px) {
    .mobileh1 {
        display: block;
        font-size: 16px;
        margin: 8px 0;
        text-align: center;
        line-height: 1.3;
        width: 100%;
        max-width: 100%;
        min-width: 0;
        overflow: visible;
        text-overflow: clip;
        white-space: normal; 
        word-wrap: break-word;
        overflow-wrap: break-word;
        hyphens: auto;
        padding: 0 15px; 
        box-sizing: border-box;
    }
    .desktoph1 {
        display: none;
    }
}
@media (max-width: 480px) {
    .conference-buttons {
        position: absolute;
        bottom: 15px;
        right: 20px;
    }
    
    .conf-btn {
        min-width: 180px;
    }
    .content {
        padding: 80px 20px 40px;
    }
    .dessin {
        display: none;
    }
    .conference-header {
        padding: 20px 0;
    }
    
    .section {
        margin-bottom: 40px;
    }
    
    .program-table td {
        padding: 15px 10px;
    }
    
    .program-table .time {
        width: 100px;
        font-size: 12px;
    }
    .main-header {
        padding: 15px 10px;
        position: relative;
        height: 350px;
    }
    
    .header-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 10px;
        max-width: 100%;
        padding: 0 10px;
    }
    
    .header-logo {
        position: static;
        margin: 0;
        width: auto;
        order: 1; 
    }
    
    .header-logo img {
        width: 100px;
        height: auto;
    }
   
    .mobilebanner {
        display: inline-block;
        position: absolute;
        right: 0px;
        top: 85px;
        max-width: 100%;
        height: 170px;
    }   
    .desktopbanner {
        display:none;
    }
    
    .dessin {
        display: none; 
    }
    
    .cul {
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        order: 2;
        width: 100%;
        max-width: 100%;
        overflow: visible; 
    }
    
   
    .language-switcher {
        position: absolute;
        right: 5px;
        top: 25px;
        flex-direction: column;
        gap: 3px;
        transform: none;
    }
    
    .lang-btn {
        padding: 4px 8px;
        font-size: 10px;
        text-align: center;
    }
    .desktoph1 {
        display: none;
    }
    
    .qrcode, .qrzoom {
        display: none;
    }
    
    .zoom-qr-container {
        margin: 10px 0;
        gap: 8px;
    }
    .cul p {
        font-size: 12px;
        margin: 5px 0;
        text-align: center;
    }
    .zoom-button {
        background-color: #6e0202;
        color: white !important;
        border: none;
        padding: 12px 24px;
        font-size: 16px;
        font-weight: 600;
        border-radius: 8px;
        cursor: pointer;
        text-decoration: none;
         display: inline-flex;
        align-items: center;
        gap: 8px;
        transition: all 0.3s ease;
        box-shadow: 0 2px 8px rgba(45, 140, 255, 0.3);
    }
    .zoom-button a {
        color: white !important;
    }
    .zoom-button:hover {
        background-color: #000;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(45, 140, 255, 0.4);
    }
    
    .zoom-button:active {
        transform: translateY(0);
        color:white;
    }
    
    .zoom-button::before {
        content: "📹";
        font-size: 18px;
    }
    .section h3 {
        font-size: 18px;
    }
    


}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 300px;
}

::selection {
    background-color: #000000;
    color: #ffffff;
}

@media print {
    .toc {
        display: none;
    }
    
    .main-header {
        position: relative;
        box-shadow: none;
    }
    
    .content {
        margin: 0;
        padding: 20px;
    }
    
    .section {
        page-break-inside: avoid;
    }
    
    .program-table {
        box-shadow: none;
    }
    
}

a:focus,
button:focus {
    outline: 2px solid #000000;
    outline-offset: 2px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.section {
    animation: fadeIn 0.6s ease-out;
}

.program-table tr:hover td {
    background-color: #f9f9f9;
    transition: background-color 0.3s ease;
}

.program-table tr:hover .time {
    background-color: #f0f0f0;
}

.content a {
    color: #000000;
    text-decoration: none;
    position: relative;
    transition: color 0.3s ease;
}

.content a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    right: 0;
    background-color: #000000;
    transition: width 0.3s ease;
}

.content a:hover::after {
    width: 100%;
    left: 0;
}

.speaker-bio,
.exhibition-item {
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-top: 0;
}

p {
    margin-top: 0;
}