/* ========== 常见问题页面专属样式 ========== */
/* 注意：过渡模块 .product-detail-banner 已在 common.css 中定义，此处不再重复 */

.faq-page {
    padding: 50px 0;
}
.faq-header {
    text-align: center;
    margin-bottom: 40px;
}
.faq-header .en-subtitle {
    font-size: 20px;
    font-weight: 600;
    letter-spacing: 4px;
    color: #1a5aaa;
    margin-bottom: 8px;
}
.faq-header h1 {
    font-size: 36px;
    color: #1f2a3e;
    margin-bottom: 10px;
}
.faq-header p {
    font-size: 16px;
    color: #5a6e8a;
}
.faq-list {
    max-width: 1000px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border-radius: 20px;
    margin-bottom: 20px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
    overflow: hidden;
    transition: box-shadow 0.2s;
}
.faq-item:hover {
    box-shadow: 0 8px 20px rgba(0,0,0,0.08);
}
.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
    color: #1f2a3e;
    background: #fff;
    transition: background 0.2s;
}
.faq-question:hover {
    background: #f8fafc;
}
.faq-question .icon {
    font-size: 22px;
    font-weight: 400;
    color: #1a5aaa;
    transition: transform 0.2s;
    width: 28px;
    text-align: center;
}
.faq-item.active .faq-question .icon {
    transform: none;
}
.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out, padding 0.2s ease;
    background: #fff;
    border-top: 1px solid #eef2f8;
    color: #4a5568;
    line-height: 1.6;
    font-size: 15px;
}
.faq-item.active .faq-answer {
    padding: 20px 25px;
    max-height: 500px;
}

@media (max-width: 768px) {
    .faq-question {
        padding: 16px 20px;
        font-size: 16px;
    }
    .faq-answer {
        font-size: 14px;
    }
}