/* YXWLED Knowledge & Support Pages */

/* ── Blog Archive ── */
.blog-archive-section {
    padding: 60px 50px 100px;
    background: var(--bg-dark);
}

.blog-archive-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    max-width: var(--container);
    margin: 0 auto;
}

/* ── Single Post ── */
.post-body {
    padding: 80px 50px;
    background: var(--bg-dark);
}

.post-inner {
    max-width: 800px;
    margin: 0 auto;
}

.post-meta-row {
    display: flex;
    gap: 20px;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.post-cat-tag {
    background: var(--accent);
    color: #fff;
    padding: 5px 14px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
}

.post-date {
    color: var(--text-secondary);
    font-size: 14px;
}

.post-content {
    color: var(--text-secondary);
    font-size: 16px;
    line-height: 1.9;
}

.post-content h2, .post-content h3 {
    color: var(--text-primary);
    margin: 40px 0 16px;
    font-weight: 700;
}

.post-content h2 { font-size: 28px; }
.post-content h3 { font-size: 22px; }

.post-content p { margin-bottom: 20px; }

.post-content img {
    border-radius: var(--radius-md);
    margin: 30px 0;
    width: 100%;
}

.post-content ul, .post-content ol {
    list-style: revert;
    padding-left: 24px;
    margin-bottom: 20px;
}

.post-content li {
    margin-bottom: 8px;
}

/* ── FAQ Page ── */
.faq-body {
    padding: 80px 50px;
    background: var(--bg-dark);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    transition: background var(--transition);
}

.faq-question:hover {
    background: rgba(0, 102, 255, 0.05);
}

.faq-question.active {
    color: var(--accent);
}

.faq-toggle {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--accent);
    font-size: 18px;
    transition: transform var(--transition);
}

.faq-question.active .faq-toggle {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
}

.faq-answer.open {
    max-height: 400px;
    padding: 0 25px 20px;
}

.faq-answer p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* ── Installation Guide ── */
.guide-body {
    padding: 80px 50px;
    background: var(--bg-dark);
}

.guide-steps {
    max-width: 800px;
    margin: 0 auto;
}

.guide-step {
    display: flex;
    gap: 30px;
    margin-bottom: 50px;
    align-items: flex-start;
}

.guide-step-num {
    width: 56px;
    height: 56px;
    background: var(--accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-weight: 800;
    flex-shrink: 0;
}

.guide-step-body h3 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 12px;
}

.guide-step-body p {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.8;
    margin-bottom: 12px;
}

.guide-step-body ul {
    padding-left: 20px;
    list-style: disc;
}

.guide-step-body li {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 6px;
}

/* ── After-Sales ── */
.after-sales-body {
    padding: 80px 50px;
    background: var(--bg-dark);
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    max-width: var(--container);
    margin: 0 auto 60px;
}

.support-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 35px;
    text-align: center;
    transition: all var(--transition);
}

.support-card:hover {
    border-color: var(--accent);
    transform: translateY(-5px);
}

.support-icon {
    font-size: 40px;
    margin-bottom: 20px;
}

.support-card h3 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.support-card p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

/* Responsive */
@media (max-width: 1024px) {
    .blog-archive-grid { grid-template-columns: repeat(2, 1fr); }
    .faq-grid { grid-template-columns: 1fr; }
    .support-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .blog-archive-section,
    .post-body,
    .faq-body,
    .guide-body,
    .after-sales-body { padding: 60px 20px; }
    .blog-archive-grid { grid-template-columns: 1fr; }
    .guide-step { flex-direction: column; gap: 15px; }
    .support-grid { grid-template-columns: 1fr; }
}