* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Inter', sans-serif;
            background-color: #F4F7FC;
            color: #1A2C3E;
            line-height: 1.4;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 2rem 1.5rem;
        }

        /* Brand header */
        .brand-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            flex-wrap: wrap;
            margin-bottom: 2rem;
            border-bottom: 2px solid #E2E8F0;
            padding-bottom: 1rem;
        }
        .logo-area h1 {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #1E3C5C 0%, #2B5C8A 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        .logo-area p {
            font-size: 0.85rem;
            color: #5A6E82;
            margin-top: 0.25rem;
            font-weight: 500;
        }
        .catalog-badge {
            background: #FFFFFF;
            padding: 0.4rem 1rem;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.8rem;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
            border: 1px solid #CFDFE9;
            color: #1E5A7D;
        }

        /* Product overview cards */
        .product-overview {
            background: white;
            border-radius: 32px;
            box-shadow: 0 12px 30px rgba(0,0,0,0.04);
            overflow: hidden;
            margin-bottom: 2rem;
        }
        .product-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            padding: 2rem;
            background: #FFFFFF;
        }
        .spec-card {
            flex: 1;
            min-width: 240px;
            background: #F9FBFD;
            border-radius: 28px;
            padding: 1.5rem 1.2rem;
            border: 1px solid #EAF0F5;
            transition: transform 0.2s ease;
        }
        .spec-card:hover {
            transform: translateY(-3px);
            border-color: #C9DFF0;
        }
        .capacity-badge {
            font-size: 2rem;
            font-weight: 800;
            color: #1E6F3F;
            background: #E3F5EC;
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 60px;
            margin-bottom: 1rem;
        }
        .power-info {
            font-size: 1.1rem;
            font-weight: 600;
            color: #2C3E50;
            margin: 0.5rem 0;
        }
        .model-list {
            font-family: monospace;
            font-size: 0.8rem;
            background: #F1F4F8;
            padding: 0.4rem 0.6rem;
            border-radius: 12px;
            margin-top: 0.8rem;
            color: #004070;
            word-break: break-word;
        }
        .feature-badge {
            background: #EFF3F8;
            border-radius: 20px;
            padding: 0.2rem 0.8rem;
            font-size: 0.75rem;
            font-weight: 500;
            display: inline-block;
            margin: 0.5rem 0.2rem 0 0;
        }

        /* Safety section - 8 mechanisms */
        .safety-section {
            background: #FFFFFF;
            border-radius: 32px;
            margin-bottom: 2rem;
            padding: 1.8rem 2rem;
            box-shadow: 0 8px 24px rgba(0,0,0,0.03);
            border: 1px solid #EFF2F9;
        }
        .section-title {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 1rem;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }
        .section-title span {
            background: #1E4A6F;
            color: white;
            font-size: 0.8rem;
            border-radius: 60px;
            padding: 0.2rem 0.8rem;
        }
        .safety-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
            gap: 1.2rem;
            margin-top: 1.2rem;
        }
        .safety-item {
            background: #F8FBFE;
            border-left: 4px solid #E07C2C;
            padding: 1rem 1rem 1rem 1.2rem;
            border-radius: 20px;
        }
        .safety-item strong {
            font-size: 1rem;
            color: #BF5E1A;
            display: block;
            margin-bottom: 0.4rem;
        }
        .safety-item p {
            font-size: 0.88rem;
            color: #2C4258;
            line-height: 1.4;
        }

        /* Easy-clean + functionality row */
        .feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .clean-card, .functions-card {
            flex: 1;
            background: white;
            border-radius: 28px;
            padding: 1.5rem 1.8rem;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
            border: 1px solid #E7EDF3;
        }
        .clean-card h3, .functions-card h3 {
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 0.75rem;
            color: #1D4E6E;
        }
        .inner-spec {
            background: #F0F5FA;
            border-radius: 20px;
            padding: 0.5rem 1rem;
            margin: 0.8rem 0;
            font-size: 0.9rem;
        }

        /* Container logistics table */
        .logistics-wrapper {
            background: white;
            border-radius: 28px;
            padding: 1.2rem;
            margin-bottom: 2rem;
            border: 1px solid #E2EAF2;
            overflow-x: auto;
        }
        .logistics-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.85rem;
        }
        .logistics-table th {
            text-align: center;
            background: #EFF4FA;
            padding: 0.9rem 1rem;
            font-weight: 600;
            color: #1C4E6E;
        }
        .logistics-table td {
            text-align: center;
            padding: 0.8rem 1rem;
            border-bottom: 1px solid #E9EFF4;
            color: #2C3F55;
        }
        .logistics-table tr:last-child td {
            border-bottom: none;
        }
        .model-row-title {
            font-weight: 700;
            background-color: #F8FAFE;
        }

        .shipping-info {
            background: #F1F6FE;
            border-radius: 24px;
            padding: 1rem 1.8rem;
            margin-top: 1rem;
            font-size: 0.85rem;
        }
        .footer-note {
            text-align: center;
            font-size: 0.75rem;
            color: #7B8B9F;
            margin-top: 2rem;
            border-top: 1px solid #DFE7EF;
            padding-top: 1.5rem;
        }
        .badge-custom {
            background: #E9F0F5;
            border-radius: 30px;
            padding: 0.2rem 0.9rem;
            font-size: 0.7rem;
            display: inline-block;
        }

        @media (max-width: 700px) {
            .container { padding: 1rem; }
            .product-grid { padding: 1rem; }
            .safety-section { padding: 1.2rem; }
        }