/* ===== Product Detail Banner ===== */
.product-detail-banner {
    position: relative;
    padding: 180px 0 100px;
    overflow: hidden;
}

.product-detail-banner-bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 70% 50%, rgba(0, 100, 200, 0.2) 0%, transparent 60%),
                var(--bg-primary);
}

.product-detail-banner-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
}

.product-detail-banner-content {
    position: relative;
    z-index: 1;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.pdb-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 20px;
}

.pdb-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 700;
}

.pdb-badge.primary {
    background: var(--gradient-1);
    color: #000;
}

.pdb-badge.outline {
    background: transparent;
    border: 1px solid var(--border-hover);
    color: var(--text-secondary);
}

.pdb-title {
    font-size: 2.4rem;
    font-weight: 900;
    line-height: 1.3;
    margin-bottom: 20px;
}

.pdb-desc {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 30px;
}

.pdb-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* Product Showcase */
.pdb-visual {
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-showcase {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.product-showcase-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    background: var(--bg-card);
    padding: 50px;
    border-radius: 30px;
    border: 1px solid var(--border);
}

.product-showcase-icon {
    font-size: 5rem;
    margin-bottom: 16px;
}

.product-showcase-label {
    display: block;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.pd-spec-quick {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.pd-spec-tag {
    padding: 6px 12px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 20px;
    font-size: 0.78rem;
    color: var(--primary);
}

.showcase-ring {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 212, 255, 0.15);
}

.r1 {
    width: 80%;
    height: 80%;
    animation: pulse-ring 3s ease-in-out infinite;
}

.r2 {
    width: 100%;
    height: 100%;
    border-style: dashed;
    animation: pulse-ring 3s ease-in-out infinite 1s;
}

@keyframes pulse-ring {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.02); }
}

/* ===== Product Highlights ===== */
.product-highlights {
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.08) 0%, rgba(0, 255, 136, 0.08) 100%);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 50px 0;
}

.highlights-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 40px;
}

.highlight-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    min-width: 150px;
}

.hl-num {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.hl-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ===== Product Detail Main Section ===== */
.product-detail-main-section {
    padding: 80px 0;
    background: var(--bg-primary);
}

.product-detail-layout {
    display: grid;
    grid-template-columns: 1fr 350px;
    gap: 50px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

.product-main-content {
    display: flex;
    flex-direction: column;
    gap: 50px;
}

/* Specs Table */
.specs-section-inner {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.specs-section-inner h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table tr {
    border-bottom: 1px solid var(--border);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 14px 0;
    font-size: 0.92rem;
}

.specs-table td:first-child {
    color: var(--text-muted);
    width: 40%;
}

.specs-table td:last-child {
    font-weight: 600;
}

/* Product Description */
.product-desc-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.product-desc-section h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.product-desc-section p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 16px;
}

.product-desc-section p:last-child {
    margin-bottom: 0;
}

.product-desc-section strong {
    color: var(--primary);
}

/* Product Applications */
.product-apps-section {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 32px;
}

.product-apps-section h3 {
    font-size: 1.3rem;
    margin-bottom: 24px;
}

.apps-chips {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
}

.app-chip {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.15);
    border-radius: 12px;
    transition: var(--transition);
}

.app-chip:hover {
    border-color: var(--border-hover);
    background: rgba(0, 212, 255, 0.1);
}

.app-chip-icon {
    font-size: 1.2rem;
}

.app-chip span:last-child {
    font-size: 0.88rem;
}

/* ===== Related Products Section ===== */
.related-products-section {
    padding: 80px 0;
    background: var(--bg-secondary);
}

/* ===== Download List ===== */
.download-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.download-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: rgba(0, 212, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: var(--transition);
}

.download-item:hover {
    border-color: var(--border-hover);
    background: rgba(0, 212, 255, 0.08);
}

.dl-icon {
    font-size: 1.3rem;
}

.dl-name {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .product-detail-banner-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .pdb-meta {
        justify-content: center;
    }
    
    .pdb-actions {
        justify-content: center;
    }
    
    .pdb-visual {
        display: none;
    }
}

@media (max-width: 1024px) {
    .product-detail-layout {
        grid-template-columns: 1fr;
    }
    
    .article-sidebar {
        position: static;
    }
    
    .apps-chips {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .apps-chips {
        grid-template-columns: 1fr;
    }
    
    .highlights-container {
        padding: 0 20px;
        gap: 24px;
    }
    
    .highlight-item {
        min-width: 120px;
    }
}