/* ============ FAQ 页面 ============ */
.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: #fff;
    padding: 28px 32px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.faq-item:hover {
    border-color: var(--primary-lighter);
    box-shadow: 0 8px 20px rgba(30, 136, 229, 0.1);
    transform: translateX(4px);
}

.faq-item h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 10px;
    padding-left: 24px;
    position: relative;
}

.faq-item h3::before {
    content: 'Q';
    position: absolute;
    left: 0;
    top: 0;
    width: 20px;
    height: 20px;
    background: var(--primary);
    color: #fff;
    border-radius: 50%;
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.faq-item p {
    font-size: 14.5px;
    color: var(--text-regular);
    line-height: 1.8;
    margin: 0;
    padding-left: 24px;
    /* 长URL、无空格连续字符超出时强制断行，防止撑破卡片 */
    overflow-wrap: break-word;
    word-break: break-word;
}

.faq-item p a {
    color: var(--primary);
}

/* ============ 超过10条折叠 ============ */
.faq-item-extra {
    display: none;
}

/* .btn 的 display:inline-flex 会盖掉 hidden 属性的默认隐藏，这里必须显式声明 */
.faq-toggle[hidden] {
    display: none;
}

.faq-list.expanded .faq-item-extra {
    display: block;
}

.faq-toggle-wrap {
    text-align: center;
    margin-top: 32px;
}

.faq-toggle {
    padding: 12px 32px;
    font-size: 14px;
}

.faq-toggle-arrow svg {
    transition: transform 0.3s ease;
}

.faq-toggle.is-expanded .faq-toggle-arrow svg {
    transform: rotate(180deg);
}

@media (max-width: 640px) {
    .faq-item {
        padding: 20px;
    }

    .faq-item h3 {
        font-size: 16px;
    }
}