.product-faq {
    max-width: 100%;
    box-sizing: border-box;
    overflow: hidden;
    margin: 0 30px 15px 0;
}
.product-faq .faq-list {
    margin: 0;
    padding: 0;
}
.product-faq .faq-item {
    border-bottom: 1px solid #d1d1d1;
}
.product-faq .faq-item:first-child {
    border-top: 1px solid #d1d1d1;
}
.product-faq .faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.4rem;
    color: #333;
    transition: color 0.2s;
}
.product-faq .faq-question:hover {
    color: #6848a7;
}
.product-faq .faq-icon {
    transition: transform 0.3s;
    flex-shrink: 0;
    margin-left: 10px;
}
.product-faq .faq-item.active .faq-icon {
    transform: rotate(180deg);
}
.product-faq .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
    padding: 0;
}
.product-faq .faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 15px;
}
.product-faq .faq-answer p {
    margin: 0;
    font-size: 1.4rem;
    line-height: 1.6;
    color: #555;
}