/* 组委会样式 */
.organization-section {
    margin-bottom: 4rem;
}

.org-header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), #34495e);
    color: white;
    border-radius: 8px;
}

.org-header h2 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.org-header.teach {
    background: linear-gradient(135deg, var(--primary-color), #34495e);
}

.org-header.host {
    background: linear-gradient(135deg, var(--secondary-color), #2980b9);
}

.org-header.organizer {
    background: linear-gradient(135deg, #b9aa29, #b9aa29);
}

.org-header.support {
    background: linear-gradient(135deg, #9b59b6, #8e44ad);
}

.org-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.org-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
}

.org-logo {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    object-fit: cover;
    margin: 0 auto 1.5rem;
    border: 4px solid var(--light-color);
}

.org-name {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.org-website {
    display: inline-block;
    color: var(--secondary-color);
    text-decoration: none;
    margin-bottom: 1.5rem;
    font-weight: 500;
    transition: color 0.3s;
}

.org-website:hover {
    color: #2980b9;
    text-decoration: underline;
}

.org-description {
    color: #666;
    line-height: 1.6;
}

.org-badge {
    display: inline-block;
    padding: 0.3rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.badge-host {
    background-color: rgba(52, 152, 219, 0.1);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
}

.badge-organizer {
    background-color: rgba(204, 196, 46, 0.1);
    color: #c0bb24;
    border: 1px solid #c0bb24;
}

.badge-support {
    background-color: rgba(155, 89, 182, 0.1);
    color: #9b59b6;
    border: 1px solid #9b59b6;
}

.badge-teach {
    background-color: rgba(89, 182, 98, 0.1);
    color: #27ae60;
    border: 1px solid #27ae60;
}

.contact-info {
    background: var(--light-color);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
    text-align: center;
}

.contact-title {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-details {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.contact-item {
    text-align: center;
}

.contact-label {
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 0.3rem;
}

.contact-value {
    color: #666;
}

@media (max-width: 768px) {
    .org-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-details {
        flex-direction: column;
        gap: 1rem;
    }
}

/* === 协办单位绿色样式 === */
.org-header.green {
    background: linear-gradient(135deg, #4CAF50, #6DBE45); /* 柔和的环保绿渐变 */
}

.badge-green {
    background-color: rgba(108, 187, 84, 0.1);
    color: #4CAF50;
    border: 1px solid #6DBE45;
}