/* Page Header Styles */
.page-header {
    background: url('img/main_banner1.png') center top;
    background-size: cover;
    background-repeat: no-repeat;
    padding: 6rem 0 3rem;
    margin-top: 40px;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(251, 191, 36, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb a:hover {
    color: #fbbf24;
}

.breadcrumb i {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
}

.page-title {
    font-size: 3rem;
    font-weight: 700;
    color: white;
    text-align: center;
    margin: 0;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

/* Program Navigation */
.program-navigation {
    background: white;
    padding: 2rem 0;
    border-bottom: 1px solid #e5e7eb;
}

.nav-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.program-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 1.5rem;
    background: white;
    border: 2px solid #e5e7eb;
    border-radius: 25px;
    text-decoration: none;
    color: #3b82f6;
    font-weight: 500;
    transition: all 0.3s ease;
    min-width: 120px;
    text-align: center;
}

.program-nav-btn:hover {
    border-color: #3b82f6;
    background: #f8fafc;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.2);
}

.program-nav-btn.active {
    background: #3b82f6;
    color: white;
    border-color: #3b82f6;
}

.program-nav-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.program-nav-btn span {
    font-size: 0.9rem;
    line-height: 1.2;
}

/* Main Content */
.main-content {
    padding: 4rem 0;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    min-height: 60vh;
}

.content-card {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    padding: 3rem;
    max-width: 1000px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}

.content-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #fbbf24 100%);
}

.content-header {
    text-align: center;
    margin-bottom: 3rem;
}

.content-header h2 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.content-header p {
    color: #6b7280;
    font-size: 1.1rem;
    line-height: 1.6;
}

/* Program Overview */
.program-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.program-item {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.program-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
}

.program-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.program-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.program-info h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.program-info p {
    color: #6b7280;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.program-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.program-link:hover {
    color: #1e40af;
    transform: translateX(5px);
}

.program-link i {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.program-link:hover i {
    transform: translateX(3px);
}

/* Program Detail Styles */
.program-detail {
    margin-top: 2rem;
}

.detail-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

.detail-section h3 {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.detail-section h3 i {
    color: #3b82f6;
    width: 20px;
}

.detail-section p {
    color: #374151;
    line-height: 1.6;
    margin-bottom: 0.5rem;
}

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

.detail-section ul li {
    color: #374151;
    line-height: 1.6;
    margin-bottom: 0.5rem;
    padding-left: 1.5rem;
    position: relative;
}

.detail-section ul li::before {
    content: '•';
    color: #3b82f6;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Keynote Speakers Styles */
.keynote-speakers {
    margin-top: 3rem;
}

.speakers-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.speakers-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.speaker-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.speaker-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
}

.speaker-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.speaker-info {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.speaker-number {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.speaker-image {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.speaker-image i {
    font-size: 2.5rem;
    color: #64748b;
}

.speaker-details {
    flex: 1;
}

.speaker-name {
    font-size: 1.4rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.speaker-title {
    font-size: 1.1rem;
    color: #3b82f6;
    font-weight: 500;
    margin-bottom: 1rem;
}

.speaker-roles {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.5;
}

.current-role {
    margin-bottom: 0.5rem;
}

.current-role strong {
    color: #059669;
}

.previous-role strong {
    color: #dc2626;
}

.speaker-lecture {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    padding: 1.5rem;
    border-left: 4px solid #3b82f6;
}

.lecture-time {
    font-size: 0.9rem;
    color: #3b82f6;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.lecture-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    line-height: 1.4;
    margin: 0;
}

/* Talk Concert Illustration Styles */
.talk-concert-illustration {
    margin: 3rem 0;
    text-align: center;
}

.illustration-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.stage-area {
    position: relative;
    height: 120px;
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 15px;
    margin-bottom: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.microphone {
    position: relative;
    z-index: 3;
    width: 60px;
    height: 60px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    animation: pulse 2s infinite;
}

.microphone i {
    font-size: 1.5rem;
    color: #3b82f6;
}

.spotlight {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 60px;
    background: radial-gradient(ellipse, rgba(255, 255, 255, 0.8) 0%, transparent 70%);
    animation: shine 3s infinite;
}

.audience-area {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.audience-row {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.person {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    animation: bounce 2s infinite;
}

.person:nth-child(2) {
    animation-delay: 0.2s;
}

.person:nth-child(3) {
    animation-delay: 0.4s;
}

.person:nth-child(4) {
    animation-delay: 0.6s;
}

/* Participants Section */
.participants-section {
    margin-top: 3rem;
}

.participants-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.participants-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.participants-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.participant-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.participant-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.participant-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.participant-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.participant-info p {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.4;
    margin: 0;
}

/* Animations */
@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes shine {
    0%, 100% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Dialogue Illustration Styles */
.dialogue-illustration {
    margin: 3rem 0;
    text-align: center;
}

.dialogue-illustration .illustration-container {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.panel-area {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: white;
}

.panel-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.panel-members {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.panel-member {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.member-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.member-info span {
    font-size: 0.9rem;
    font-weight: 500;
}

.dialogue-connection {
    margin: 2rem 0;
    position: relative;
    height: 60px;
}

.speech-bubbles {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.speech-bubble {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    animation: float 3s ease-in-out infinite;
}

.speech-bubble.left {
    animation-delay: 0s;
}

.speech-bubble.right {
    animation-delay: 1.5s;
}

.audience-area {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 15px;
    padding: 1.5rem;
}

.audience-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
    text-align: center;
}

.audience-seats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.seat-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.student {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    animation: listen 2s ease-in-out infinite;
}

.student:nth-child(2) {
    animation-delay: 0.3s;
}

.student:nth-child(3) {
    animation-delay: 0.6s;
}

.student:nth-child(4) {
    animation-delay: 0.9s;
}

/* Features Section */
.features-section {
    margin-top: 3rem;
}

.features-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.features-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    max-width: 800px;
    margin: 0 auto;
}

.feature-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.feature-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.feature-info p {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.4;
    margin: 0;
}

/* Additional Animations */
@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes listen {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

/* Presentations Section */
.presentations-section {
    margin-top: 3rem;
}

.presentations-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.presentations-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.discussion-info {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 12px;
    border-left: 4px solid #3b82f6;
}

.discussion-topic,
.discussion-moderator {
    margin-bottom: 1rem;
}

.discussion-topic:last-child,
.discussion-moderator:last-child {
    margin-bottom: 0;
}

.discussion-topic h4,
.discussion-moderator h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin: 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.discussion-topic h4 i,
.discussion-moderator h4 i {
    color: #3b82f6;
    font-size: 1rem;
}

/* Events Section */
.events-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-top: 2rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.event-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    padding: 1.5rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #3b82f6;
    transition: all 0.3s ease;
}

.event-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.event-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 600;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.event-content {
    flex: 1;
}

.event-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
}

.event-details {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
    margin-bottom: 1rem;
}

.detail-row {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.detail-row .label {
    font-weight: 600;
    color: #374151;
    min-width: 80px;
    flex-shrink: 0;
}

.detail-row .value {
    color: #6b7280;
    line-height: 1.4;
}

.detail-row .value.prize {
    color: #059669;
    font-weight: 600;
}

.event-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.event-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.presentations-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.presentation-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.presentation-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
}

.presentation-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.presentation-header {
    margin-bottom: 1.5rem;
}

.presenter-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.presenter-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.presenter-details {
    flex: 1;
}

.presenter-name {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.presenter-company {
    font-size: 0.9rem;
    color: #6b7280;
    margin: 0;
}

.presentation-topic h5 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #374151;
    line-height: 1.4;
    margin: 0;
    padding: 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

/* Discussants Section */
.discussants-section {
    margin-top: 3rem;
}

.discussants-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.discussants-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.discussants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.discussant-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.discussant-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.discussant-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.discussant-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.discussant-info p {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.4;
    margin: 0;
}

/* Discussion Illustration */
.discussion-illustration {
    margin: 3rem 0;
    text-align: center;
}

.discussion-illustration .illustration-container {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.discussion-stage {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: white;
}

.stage-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.speakers-area {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.speaker {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.speaker-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.speaker span {
    font-size: 0.9rem;
    font-weight: 500;
}

.moderator-area {
    margin: 2rem 0;
    text-align: center;
}

.moderator {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.moderator-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    animation: pulse 2s infinite;
}

.moderator span {
    font-size: 1rem;
    font-weight: 600;
    color: #1e3a8a;
}

.discussion-illustration .audience-area {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 15px;
    padding: 1.5rem;
}

.discussion-illustration .audience-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
    text-align: center;
}

.discussion-illustration .audience-seats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.discussion-illustration .seat-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.attendee {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    animation: listen 2s ease-in-out infinite;
}

.attendee:nth-child(2) {
    animation-delay: 0.3s;
}

.attendee:nth-child(3) {
    animation-delay: 0.6s;
}

.attendee:nth-child(4) {
    animation-delay: 0.9s;
}

/* Projects Section */
.projects-section {
    margin-top: 3rem;
}

.projects-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.projects-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.projects-table {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.project-item {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.project-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
}

.project-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid #e5e7eb;
}

.university {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.company {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.project-content {
    flex: 1;
}

.project-title {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1e3a8a;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.project-description {
    color: #374151;
    line-height: 1.6;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.presenter {
    font-size: 0.9rem;
    color: #6b7280;
    font-style: italic;
    padding: 0.5rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    border-left: 3px solid #3b82f6;
}

/* Presentation Illustration */
.presentation-illustration {
    margin: 3rem 0;
    text-align: center;
}

.presentation-illustration .illustration-container {
    position: relative;
    max-width: 700px;
    margin: 0 auto;
    padding: 2rem;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.presentation-stage {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
    color: white;
}

.presentation-stage .stage-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1rem;
    text-align: center;
}

.presenters-area {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
}

.presentation-illustration .presenter {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.presentation-illustration .presenter-avatar {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    backdrop-filter: blur(10px);
}

.presentation-illustration .presenter span {
    font-size: 0.9rem;
    font-weight: 500;
}

.project-showcase {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 15px;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.showcase-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
    text-align: center;
}

.project-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
}

.project-card {
    background: white;
    border-radius: 12px;
    padding: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    text-align: center;
}

.project-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.card-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
}

.project-card span {
    font-size: 0.8rem;
    font-weight: 600;
    color: #1e3a8a;
    line-height: 1.2;
}

.presentation-illustration .audience-area {
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: 15px;
    padding: 1.5rem;
}

.presentation-illustration .audience-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 1rem;
    text-align: center;
}

.presentation-illustration .audience-seats {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.presentation-illustration .seat-row {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
}

.presentation-illustration .attendee {
    width: 35px;
    height: 35px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 0.9rem;
    animation: listen 2s ease-in-out infinite;
}

.presentation-illustration .attendee:nth-child(2) {
    animation-delay: 0.3s;
}

.presentation-illustration .attendee:nth-child(3) {
    animation-delay: 0.6s;
}

.presentation-illustration .attendee:nth-child(4) {
    animation-delay: 0.9s;
}

/* Research Table Section */
.research-table-section {
    margin-top: 3rem;
}

.research-table-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.research-table-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.table-container {
    overflow-x: auto;
    border-radius: 12px;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.research-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: 12px;
    overflow: hidden;
}

.research-table th {
    background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
    color: white;
    padding: 1.5rem 1rem;
    text-align: center;
    font-weight: 600;
    font-size: 1.1rem;
    border: none;
}

.research-table td {
    padding: 1.5rem 1rem;
    border-bottom: 1px solid #e5e7eb;
    vertical-align: top;
}

.research-table tr:last-child td {
    border-bottom: none;
}

.university-cell {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    font-weight: 600;
    color: #1e3a8a;
    text-align: center;
    width: 120px;
    font-size: 1rem;
}

.content-cell {
    background: white;
    width: 50%;
}

.research-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
    border-radius: 8px;
    border-left: 4px solid #3b82f6;
}

.research-item:last-child {
    margin-bottom: 0;
}

.research-item p {
    margin: 0;
    color: #374151;
    line-height: 1.5;
    font-size: 0.95rem;
}

.source-cell {
    background: white;
    width: 150px;
    text-align: center;
}

.source-item {
    margin-bottom: 0.5rem;
    padding: 0.5rem;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 6px;
    font-size: 0.85rem;
    color: #92400e;
    font-weight: 500;
}

.source-item:last-child {
    margin-bottom: 0;
}

/* Writer class styling */
.writer {
    font-weight: bold;
}

/* Awards Section */
.awards-section {
    margin-top: 3rem;
}

.awards-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 2rem;
    text-align: center;
    position: relative;
}

.awards-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 2px;
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.award-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
    border: 1px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
}

.award-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
}

.award-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

.award-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    flex-shrink: 0;
    animation: shine 2s ease-in-out infinite;
}

.award-info h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #1e3a8a;
    margin-bottom: 0.5rem;
}

.award-info p {
    font-size: 0.9rem;
    color: #6b7280;
    line-height: 1.4;
    margin: 0;
}

@keyframes shine {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

/* Active Navigation Link */
.dropdown-menu li a.active {
    background: #1e3a8a;
    color: white;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .nav-buttons {
        gap: 0.75rem;
    }
    
    .program-nav-btn {
        padding: 0.75rem 1rem;
        min-width: 100px;
    }
    
    .program-nav-btn span {
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .page-title {
        font-size: 2rem;
    }
    
    .content-card {
        padding: 2rem;
        margin: 0 1rem;
    }
    
    .content-header h2 {
        font-size: 1.8rem;
    }
    
    .nav-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .program-nav-btn {
        width: 100%;
        max-width: 300px;
        flex-direction: row;
        justify-content: center;
        gap: 1rem;
    }
    
    .program-nav-btn i {
        margin-bottom: 0;
    }
    
    .program-overview {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .participants-grid {
        grid-template-columns: 1fr;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .page-header {
        padding: 4rem 0 2rem;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .content-card {
        padding: 1.5rem;
    }
    
    .content-header h2 {
        font-size: 1.6rem;
    }
    
    .program-nav-btn {
        padding: 0.75rem;
        font-size: 0.8rem;
    }
    
    .program-nav-btn span {
        font-size: 0.75rem;
    }
    
    .program-item {
        padding: 1.5rem;
    }
    
    .program-info h3 {
        font-size: 1.2rem;
    }
    
    /* Speaker card responsive */
    .speaker-info {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }
    
    .speaker-details {
        text-align: center;
    }
    
    .speaker-name {
        font-size: 1.2rem;
    }
    
    .speaker-title {
        font-size: 1rem;
    }
    
    .speaker-roles {
        font-size: 0.8rem;
    }
    
    .lecture-title {
        font-size: 1rem;
    }
    
    /* Talk concert responsive */
    .illustration-container {
        padding: 1rem;
    }
    
    .stage-area {
        height: 80px;
    }
    
    .microphone {
        width: 50px;
        height: 50px;
    }
    
    .microphone i {
        font-size: 1.2rem;
    }
    
    .person {
        width: 30px;
        height: 30px;
    }
    
    .participants-grid {
        grid-template-columns: 1fr;
    }
    
    .participant-card {
        padding: 1rem;
    }
    
    /* Dialogue responsive */
    .dialogue-illustration .illustration-container {
        padding: 1rem;
    }
    
    .panel-members {
        flex-direction: column;
        gap: 1rem;
    }
    
    .member-avatar {
        width: 40px;
        height: 40px;
    }
    
    .speech-bubble {
        width: 30px;
        height: 30px;
    }
    
    .student {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card {
        padding: 1rem;
    }
    
    /* Discussion responsive */
    .presentations-grid {
        grid-template-columns: 1fr;
    }
    
    .presentation-card {
        padding: 1.5rem;
    }
    
    .presenter-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .presenter-name {
        font-size: 1.1rem;
    }
    
    .presentation-topic h5 {
        font-size: 1rem;
    }
    
    .discussion-illustration .illustration-container {
        padding: 1rem;
    }
    
    .speakers-area {
        flex-direction: column;
        gap: 1rem;
    }
    
    .speaker-avatar {
        width: 40px;
        height: 40px;
    }
    
    .moderator-avatar {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .attendee {
        width: 25px;
        height: 25px;
        font-size: 0.8rem;
    }
    
    /* Projects responsive */
    .project-header {
        flex-direction: column;
        gap: 1rem;
        align-items: flex-start;
    }
    
    .university, .company {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .project-title {
        font-size: 1.1rem;
    }
    
    .project-description {
        font-size: 0.9rem;
    }
    
    .project-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .project-card {
        padding: 0.8rem;
    }
    
    .card-icon {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    
    .project-card span {
        font-size: 0.7rem;
    }
    
    /* Research table responsive */
    .research-table {
        font-size: 0.8rem;
    }
    
    .research-table th {
        padding: 1rem 0.5rem;
        font-size: 0.9rem;
    }
    
    .research-table td {
        padding: 1rem 0.5rem;
    }
    
    .university-cell {
        width: 80px;
        font-size: 0.8rem;
    }
    
    .research-item {
        padding: 0.8rem;
    }
    
    .research-item p {
        font-size: 0.8rem;
    }
    
    .source-item {
        font-size: 0.7rem;
        padding: 0.4rem;
    }
    
    .awards-grid {
        grid-template-columns: 1fr;
    }
    
    .award-card {
        padding: 1.5rem;
    }
    
    .award-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .award-info h4 {
        font-size: 1.1rem;
    }
    
    .award-info p {
        font-size: 0.8rem;
    }
}

/* Animation Effects */
.content-card {
    animation: fadeInUp 0.8s ease-out;
}

.program-item {
    animation: slideInLeft 0.6s ease-out both;
}

.program-item:nth-child(1) {
    animation-delay: 0.1s;
}

.program-item:nth-child(2) {
    animation-delay: 0.2s;
}

.program-item:nth-child(3) {
    animation-delay: 0.3s;
}

.program-item:nth-child(4) {
    animation-delay: 0.4s;
}

.program-item:nth-child(5) {
    animation-delay: 0.5s;
}

.program-item:nth-child(6) {
    animation-delay: 0.6s;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}