body .page-hero {
            padding: 160px 60px 80px;
            background:
                linear-gradient(110deg, rgba(18, 17, 14, 0.92) 0%, rgba(18, 17, 14, 0.78) 50%, rgba(18, 17, 14, 0.88) 100%),
                url("../images/ptab_bg1.jpg") center/cover no-repeat;
            position: relative;
        }
        body .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
            background-size: 60px 60px;
        }
        .page-hero-content { max-width: 900px; margin: 0 auto; text-align: center; position: relative; z-index: 1; }
        .page-hero h1 { font-size: clamp(40px, 6vw, 56px); margin-bottom: 20px; }
        .page-hero p { font-size: 18px; color: var(--gray-400); }

        .product-detail-section { padding: 100px 60px; background: var(--dark); }
        .product-intro { max-width: 1200px; margin: 0 auto 80px; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .product-intro-content h2 { font-size: 36px; margin-bottom: 24px; }
        .product-intro-content p { font-size: 16px; line-height: 1.8; margin-bottom: 16px; }
        .product-intro-image {
            aspect-ratio: 4/3;
            background:
                linear-gradient(135deg, rgba(18, 17, 14, 0.24) 0%, rgba(18, 17, 14, 0.08) 100%),
                url("../images/ptab_bg1.jpg") center/cover no-repeat;
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 120px;
            box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.04);
        }

        .certifications-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; max-width: 1200px; margin: 0 auto 80px; }
        .cert-card {
            text-align: center;
            padding: 36px 24px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            transition: all 0.4s ease;
        }
        .cert-card:hover { transform: translateY(-8px); border-color: rgba(16, 185, 129, 0.3); }
        .cert-icon { font-size: 48px; margin-bottom: 16px; }
        .cert-card h4 { font-size: 16px; margin-bottom: 8px; }
        .cert-card p { font-size: 13px; color: var(--gray-400); }

        .products-showcase { max-width: 1200px; margin: 0 auto; }
        .product-card-detail {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 40px;
            padding: 40px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 24px;
            margin-bottom: 30px;
            transition: all 0.4s ease;
        }
        .product-card-detail:hover { border-color: rgba(16, 185, 129, 0.3); }
        .product-card-image {
            aspect-ratio: 1;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.2) 0%, rgba(6, 182, 212, 0.1) 100%);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 80px;
        }
        .product-card-info h4 { font-size: 24px; margin-bottom: 8px; }
        .product-model { font-family: 'Outfit', sans-serif; font-size: 16px; color: #34D399; margin-bottom: 16px; }
.product-card-info > p { font-size: 14px; color: var(--gray-400); line-height: 1.7; margin-bottom: 24px; }

.product-series-title { font-size: 28px; margin-bottom: 40px; text-align: center; }
        .spec-table { width: 100%; border-collapse: collapse; margin-bottom: 24px; }
        .spec-table th, .spec-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
        .spec-table th { font-size: 13px; color: var(--gray-500); font-weight: 400; width: 140px; }
        .spec-table td { font-size: 14px; }
        .product-actions { display: flex; gap: 12px; }

        .cockpit-section { padding: 100px 60px; background: var(--dark-secondary); }
        .cockpit-grid { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
        .cockpit-card {
            padding: 36px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            text-align: center;
        }
        .cockpit-icon { font-size: 48px; margin-bottom: 16px; }
        .cockpit-card h4 { font-size: 18px; margin-bottom: 12px; }
        .cockpit-card p { font-size: 14px; color: var(--gray-400); }

        .partners-section { padding: 100px 60px; background: var(--dark); }
        .partners-grid { max-width: 1000px; margin: 0 auto; display: grid; grid-template-columns: repeat(6, 1fr); gap: 20px; }
        .partner-card {
            padding: 30px 20px;
            background: linear-gradient(145deg, rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0.01));
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            text-align: center;
            font-size: 14px;
            color: var(--gray-400);
            transition: all 0.3s ease;
        }
        .partner-card:hover { border-color: rgba(16, 185, 129, 0.3); color: var(--white); }

        @media (max-width: 1024px) {
            .product-intro { grid-template-columns: 1fr; }
            .certifications-grid { grid-template-columns: repeat(2, 1fr); }
            .product-card-detail { grid-template-columns: 1fr; }
            .cockpit-grid { grid-template-columns: 1fr; }
            .partners-grid { grid-template-columns: repeat(3, 1fr); }
        }
        @media (max-width: 768px) {
            .page-hero, .product-detail-section, .cockpit-section, .partners-section { padding: 60px 20px; }
            .certifications-grid, .partners-grid { grid-template-columns: 1fr; }
        }