/* ============================================
   QIANMIAO PEPTIDES - FAQ Page Styles
   Migrated from QIANMIAO HTML template
   ============================================ */

/* FAQ Section */
.faq-section {
    padding: 80px 0;
}
.faq-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
}

/* Categories Sidebar */
.faq-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    height: fit-content;
}
.faq-categories {
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    padding: 8px;
}
.faq-category-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    padding: 14px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition);
    text-align: left;
    background: none;
    border: none;
    cursor: pointer;
}
.faq-category-btn:hover {
    background: white;
    color: var(--color-text);
}
.faq-category-btn.active {
    background: white;
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.faq-category-btn .icon {
    width: 20px;
    height: 20px;
    opacity: 0.7;
}
.faq-category-btn.active .icon {
    opacity: 1;
    color: var(--color-primary);
}
.faq-category-count {
    margin-left: auto;
    font-size: 12px;
    padding: 2px 8px;
    background: var(--color-border-light);
    border-radius: var(--radius-full);
    color: var(--color-text-muted);
}
.faq-category-btn.active .faq-category-count {
    background: var(--color-primary);
    color: white;
}

/* FAQ Content */
.faq-content {
    min-width: 0;
}
.faq-group {
    margin-bottom: 48px;
}
.faq-group:last-child {
    margin-bottom: 0;
}
.faq-group-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-border-light);
}

/* Accordion */
.faq-item {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: all var(--transition);
}
.faq-item:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}
.faq-item.active {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 20px 24px;
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    background: none;
    border: none;
}
.faq-question:hover {
    color: var(--color-primary);
}
.faq-toggle {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border-radius: 50%;
    background: var(--color-bg-card);
    transition: all var(--transition);
}
.faq-toggle .icon {
    width: 14px;
    height: 14px;
    transition: transform var(--transition);
}
.faq-item.active .faq-toggle {
    background: var(--color-primary);
    color: white;
}
.faq-item.active .faq-toggle .icon {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}
.faq-answer-inner {
    padding: 0 24px 24px;
    font-size: 14px;
    color: var(--color-text-secondary);
    line-height: 1.8;
}
.faq-answer-inner p {
    margin-bottom: 12px;
}
.faq-answer-inner p:last-child {
    margin-bottom: 0;
}
.faq-answer-inner ul {
    margin: 12px 0;
    padding-left: 20px;
}
.faq-answer-inner li {
    list-style: disc;
    margin-bottom: 8px;
}
.faq-answer-inner a {
    color: var(--color-primary);
    text-decoration: underline;
}
.faq-answer-inner a:hover {
    text-decoration: none;
}

/* Still Have Questions CTA */
.faq-contact {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-xl);
    padding: 48px;
    text-align: center;
    color: white;
    margin-top: 60px;
}
.faq-contact-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 12px;
}
.faq-contact-text {
    font-size: 15px;
    opacity: 0.9;
    margin-bottom: 24px;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}
.faq-contact-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}
.faq-contact .btn-primary {
    background: white;
    color: var(--color-primary);
}
.faq-contact .btn-primary:hover {
    background: rgba(255,255,255,0.9);
}
.faq-contact .btn-ghost {
    border-color: rgba(255,255,255,0.5);
    color: white;
}
.faq-contact .btn-ghost:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

/* Search Box */
.faq-search {
    margin-bottom: 40px;
}
.faq-search-box {
    position: relative;
    width: 100%;
}
.faq-search-input {
    width: 100%;
    padding: 16px 20px 16px 52px;
    font-size: 15px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: white;
    transition: all var(--transition);
}
.faq-search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(0,149,222,0.1);
}
.faq-search-icon {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--color-text-muted);
    width: 20px;
    height: 20px;
}

/* Responsive */
@media (max-width: 992px) {
    .faq-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .faq-sidebar {
        position: static;
    }
    .faq-categories {
        display: flex;
        gap: 8px;
        overflow-x: auto;
        padding: 8px;
        -webkit-overflow-scrolling: touch;
    }
    .faq-category-btn {
        white-space: nowrap;
        padding: 12px 16px;
    }
}
@media (max-width: 768px) {
    .faq-contact {
        padding: 32px 24px;
    }
    .faq-contact-title {
        font-size: 24px;
    }
    .faq-contact-actions {
        flex-direction: column;
    }
    .faq-question {
        padding: 16px 20px;
        font-size: 14px;
    }
    .faq-answer-inner {
        padding: 0 20px 20px;
    }
    /* 手机端侧边栏不要全宽度 */
    .faq-categories {
        display: inline-flex;
        width: auto;
        max-width: 100%;
    }
    .faq-sidebar {
        overflow-x: auto;
    }
}