.page-title-section.service-title-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4); /* 降低遮罩透明度 */
    z-index: 1;
}

/* 降低company.html页面遮罩的透明度 */
.page-title-section.company-title-bg::before {
    background-image: linear-gradient(135deg, rgba(77, 127, 100, 0.6) 0%, rgba(58, 97, 76, 0.7) 100%) !important;
}

/* 降低technology.html页面遮罩的透明度 */
.page-title-section.technology-title-bg::before {
    background-image: linear-gradient(135deg, rgba(77, 127, 100, 0.6) 0%, rgba(58, 97, 76, 0.7) 100%) !important;
}

/* 降低contact.html页面遮罩的透明度 */
.page-title-section.contact-title-bg::before {
    background-image: linear-gradient(135deg, rgba(77, 127, 100, 0.6) 0%, rgba(58, 97, 76, 0.7) 100%) !important;
}

/* 保持index.html页面的遮罩不变 */
.hero-slider-barsan .overlay {
    background: rgba(0, 0, 0, 0.5);
}