.faq-section {
    max-width: 1280px;
    margin: 40px auto;
    background-color: #f9fafb;   /* 统一浅灰背景 */
    border-radius: 24px;
    padding: 48px 24px;
}
.faq-title {
    font-family: 'Open Sans', sans-serif;
    font-weight: 700;
    font-size: 35px;
    color: #222222;              /* 深色标题 */
    text-align: center;
    margin-bottom: 32px;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: transparent;
    border: none;
}
.faq-question {
    background: #ffffff;         /* 白色问题卡片 */
    border-radius: 16px;
    padding: 16px 24px;
    font-family: 'Open Sans', sans-serif;
    font-weight: 600;
    font-size: 18px;
    color: #222222;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.2s;
    width: 100%;
    box-sizing: border-box;
    border: 1px solid #e2e8f0;   /* 添加轻边框与整体风格一致 */
}
.faq-question:hover {
    background: #f8fafc;          /* 悬停轻微变灰 */
}
.faq-icon {
    font-size: 24px;
    font-weight: 400;
    color: #0047AB;
    transition: transform 0.2s;
    flex-shrink: 0;
    margin-left: 16px;
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    background: transparent;
    padding: 0 24px;
}
.faq-answer p {
    font-family: 'Open Sans', sans-serif;
    font-weight: 400;
    font-size: 15px;
    line-height: 1.6;
    color: #555555;
    margin: 12px 0 16px;
}
.faq-answer strong {
    font-weight: 600;
    color: #0047AB;
}
.faq-item.active .faq-icon {
    transform: rotate(45deg);
}
.faq-item.active .faq-answer {
    max-height: 500px;           /* 增加高度容纳长内容 */
}
/* 移动端适配 */
@media (max-width: 768px) {
    .faq-section {
        padding: 36px 20px;
    }
    .faq-title {
        font-size: 28px;
        margin-bottom: 24px;
    }
    .faq-question {
        font-size: 16px;
        padding: 14px 20px;
    }
    .faq-answer {
        padding: 0 20px;
    }
    .faq-icon {
        margin-left: 12px;
        font-size: 20px;
    }
}