/* ===== 产品页通用样式 ===== */

/* Feature Section - 产品详情板块 */
.product-feature {
    padding: var(--space-16) 0;
    border-bottom: 1px solid var(--color-gray-100);
}

.product-feature:last-child {
    border-bottom: none;
}

.product-feature:nth-child(even) {
    background: var(--color-gray-50);
}

.product-feature-inner {
    display: flex;
    gap: var(--space-12);
    align-items: center;
}

.product-feature:nth-child(even) .product-feature-inner {
    flex-direction: row-reverse;
}

.product-feature-content {
    flex: 1.2;
}

.product-feature-visual {
    flex: 1;
}

.product-feature-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--gradient-secondary);
    color: var(--color-white);
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    margin-bottom: var(--space-4);
}

.product-feature-content h3 {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-4);
}

.product-feature-content > p {
    color: var(--color-gray-500);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.product-feature-list {
    list-style: none;
    margin-bottom: var(--space-6);
}

.product-feature-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-2) 0;
    font-size: var(--text-base);
    color: var(--color-gray-600);
    line-height: var(--leading-relaxed);
}

.product-feature-list li i {
    color: var(--color-success);
    font-size: 18px;
    margin-top: 3px;
    flex-shrink: 0;
}

/* Feature Visual Box */
.feature-visual-box {
    background: var(--gradient-card);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 300px;
    position: relative;
    overflow: hidden;
}

.feature-visual-box i {
    font-size: 64px;
    color: var(--color-secondary);
    opacity: 0.2;
}

.feature-visual-box img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius-xl);
    display: block;
}

.feature-visual-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(43,127,255,0.05);
    filter: blur(40px);
}

/* ===== 直播页产品展示图 ===== */
.live-banner-image {
    padding: var(--space-10) 0;
    text-align: center;
}

.live-banner-image img {
    width: 100%;
    max-width: 1000px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    display: block;
    margin: 0 auto;
}

/* Live - Scenes Grid */
.scenes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-4);
}

.scene-tag {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-lg);
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.scene-tag:hover {
    background: rgba(43,127,255,0.06);
    border-color: var(--color-secondary);
    color: var(--color-secondary);
}

.scene-tag i {
    font-size: 18px;
    color: var(--color-secondary);
    opacity: 0.6;
}

/* Live - Tech Specs */
.tech-specs {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-6);
}

.tech-spec {
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    transition: all var(--transition-base);
}

.tech-spec:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
}

.tech-spec h4 {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    margin-bottom: var(--space-3);
}

.tech-spec h4 i {
    color: var(--color-secondary);
    font-size: 20px;
}

.tech-spec p {
    color: var(--color-gray-500);
    font-size: var(--text-sm);
    margin-bottom: 0;
}

/* Cooperation */
.coop-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-8);
}

.coop-card {
    background: var(--color-white);
    border: 2px solid var(--color-gray-100);
    border-radius: var(--radius-xl);
    padding: var(--space-10);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.coop-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-lg);
}

.coop-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.coop-card:first-child::before {
    background: var(--gradient-secondary);
}

.coop-card:last-child::before {
    background: var(--gradient-accent);
}

.coop-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin-bottom: var(--space-5);
}

.coop-card:first-child .coop-card-icon {
    background: rgba(43,127,255,0.1);
    color: var(--color-secondary);
}

.coop-card:last-child .coop-card-icon {
    background: rgba(255,107,53,0.1);
    color: var(--color-accent);
}

.coop-card h3 {
    font-size: var(--text-2xl);
    margin-bottom: var(--space-4);
}

.coop-card p {
    color: var(--color-gray-500);
    line-height: var(--leading-relaxed);
    margin-bottom: 0;
}

/* Responsive */
@media (max-width: 1024px) {
    .product-feature-inner {
        flex-direction: column !important;
        gap: var(--space-8);
    }
    .scenes-grid { grid-template-columns: repeat(2, 1fr); }
    .tech-specs { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .coop-cards { grid-template-columns: 1fr; }
    .scenes-grid { grid-template-columns: repeat(2, 1fr); }
    .product-feature { padding: var(--space-10) 0; }
    .product-feature-content h3 { font-size: var(--text-2xl); }
}