:root {
    --primary-color: #5c6bc0;
    --card-color: #2a2a2a;
    --text-color: #e0e0e0;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

.accordion {
    background-color: var(--card-color);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    margin-bottom: 20px;
    max-width: 800px; /* 设置最大宽度为800px */
    width: 100%; /* 确保在小于800px的容器中占满宽度 */
}

.accordion-header {
    padding: 15px 20px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--card-color);
    transition: background-color var(--transition-speed) ease;
}

.accordion-header:hover {
    background-color: #333;
}

.accordion-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-color);
}

.accordion-icon {
    transition: transform var(--transition-speed) ease;
    font-size: 1.2rem;
    color: var(--text-color);
}

.accordion.active .accordion-icon {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-speed) ease-in-out, padding var(--transition-speed) ease-in-out;
    background-color: #333;
    padding: 0 20px;
}

.accordion.active .accordion-content {
    max-height: 500px;
    padding: 20px;
}

.accordion-text {
    line-height: 1.6;
    color: var(--text-color);
}

@media (max-width: 768px) {
    .accordion-header {
        padding: 12px 15px;
    }
    
    .accordion-content {
        padding: 0 15px;
    }
    
    .accordion.active .accordion-content {
        padding: 15px;
    }
}