/* Independent module container to avoid style contamination - transparent background */
        .product-header-module {
            background-color: transparent;
            padding: 40px 20px;
            text-align: center;
            position: relative;
            overflow: hidden;
            font-family: 'Arial', sans-serif;
            max-width: 100%;
            box-sizing: border-box;
        }

        /* Background watermark "OEM&ODM" effect */
        .product-header-module::before {
            content: "OEM&ODM";
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 180px;
            font-weight: 900;
            color: rgba(0, 0, 0, 0.05);
            z-index: 0;
            white-space: nowrap;
            letter-spacing: 10px;
        }

        /* Main title style (adapted for HOT PRODUCT) */
        .main-title {
            font-size: 60px;
            font-weight: 700;
            color: #000;
            margin: 0 0 10px 0;
            position: relative;
            z-index: 1;
            letter-spacing: 2px;
        }

        /* Subtitle (company name) */
        .company-subtitle {
            font-size: 18px;
            color: #333;
            margin: 0;
            position: relative;
            z-index: 1;
            font-weight: 400;
        }

        /* Responsive adaptation */
        @media (max-width: 768px) {
            .product-header-module::before {
                font-size: 80px;
            }
            .main-title {
                font-size: 36px;
            }
            .company-subtitle {
                font-size: 16px;
            }
        }

        @media (max-width: 480px) {
            .product-header-module::before {
                font-size: 50px;
            }
            .main-title {
                font-size: 28px;
            }
        }