.faq-box details summary {
display: inline-flex;
align-items: center;
justify-content: center;
font-family: Vazir, Tahoma, Arial, sans-serif;
font-size: 16px;
font-weight: 500;
letter-spacing: 0.3px;
padding: 12px 24px;
background: #f9f9f9;
color: #333;
border-radius: 999px;
border: 1px solid #ddd;
cursor: pointer;
transition: background-color 0.3s ease, color 0.3s ease;
position: relative;
}

.faq-box details summary::before {
content: '+';
margin-right: 10px;
font-size: 18px;
color: #555;
transition: color 0.3s ease;
}

.faq-box details[open] summary {
background-color: #e0f7ff; /* آبی آسمانی خیلی کم‌رنگ هنگام باز شدن */
color: #333; /* رنگ متن تغییر نمی‌کند */
}

.faq-box details[open] summary::before {
content: '–';
color: #555;
}

.faq-box details summary::-webkit-details-marker {
display: none;
}

.faq-box details p {
font-family: Vazir, Tahoma, Arial, sans-serif;
font-size: 15px;
margin: 15px 0 25px 0;
padding: 10px 15px;
line-height: 1.6;
color: #333;
}