.speakers-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.speaker-item {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    padding: 15px;
    display: flex;
    align-items: flex-start;
    gap: 15px;
    transition: box-shadow 0.2s ease;
}

.speaker-item:hover {
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.15);
}

.speaker-avatar {
    flex: 0 0 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
    background: #f8f9fa;
    border: 2px solid #e9ecef;
}

.speaker-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.speaker-content {
    flex: 1;
    min-width: 0;
}

.speaker-basic-info {
    margin-bottom: 8px;
}

.speaker-name {
    font-size: 18px;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 2px;
}

.speaker-affiliation {
    font-size: 14px;
    color: #666;
    margin-bottom: 8px;
}

.speaker-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    font-size: 13px;
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.detail-label {
    font-weight: 600;
    color: #495057;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-content {
    color: #555;
    line-height: 1.3;
}

.paper-title {
    font-style: italic;
    color: var(--primary);
}

.accepted-date {
    background: #fff5f9;
    color: var(--primary);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 11px;
    display: inline-block;
}

.no-speakers {
    text-align: center;
    padding: 40px 20px;
    color: #7f8c8d;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
}

.no-speakers i {
    font-size: 32px;
    margin-bottom: 10px;
    opacity: 0.5;
}

.filter-section {
    background: white;
    padding: 12px;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.search-box {
    display: flex;
    gap: 8px;
    /* max-width: 400px; */
    margin: 0 auto;
}

.search-box input {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
}

.search-box button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .keynote-container {
        padding: 10px;
    }

    .speaker-item {
        flex-direction: column;
        text-align: center;
        gap: 10px;
    }

    .speaker-avatar {
        align-self: center;
    }

    .speaker-details {
        grid-template-columns: 1fr;
        gap: 8px;
    }

    .search-box {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .page-header h1 {
        font-size: 24px;
    }

    .speaker-name {
        font-size: 16px;
    }

    .speaker-details {
        font-size: 12px;
    }
}