.product-banner {
    padding: 100px 3rem;
    border-radius: 0;
    /* 背景图片设置 */
    background-image: url('/image/p-sd-banner.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    color: #fff;
    /* 默认文字颜色设为白色，适合深色背景 */
}

/* 添加半透明遮罩层，增强文字可读性 */
.product-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    /* 黑色半透明遮罩 */
    z-index: 0;
}

/* 确保内容在遮罩层上方 */
.product-banner .container {
    position: relative;
    z-index: 1;
}

.wide-container {
    max-width: 1680px !important;
    /* 比默认container(1320px)更宽 */
    margin: 0 auto;
    padding: 0 15px;
    position: relative;
    z-index: 1;
}

.product-content {
    display: flex;
    flex-direction: column;
    justify-content: start;
    height: 100%;
}

.product-title {
    font-size: 3.125rem;
    font-weight: 700;
    /* margin-bottom: 20px; */
}

.product-english {
    font-family: 'Poppins-Bold';
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.54);
    margin-bottom: 50px;
}

.product-description {
    font-size: 1.1rem;
    margin-bottom: 30px;
    line-height: 1.6;
}
/* 
.product-btn {
    padding: 12px 30px;
    font-weight: 500;
    border-radius: 50px;
    font-size: 1.1rem;
} */

.product-btn-primary {
    margin-right: 15px;
}

.product-btn-outline {
    border: 2px solid #fff;
    color: #fff;
    background-color: transparent;
}

.product-btn-outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.product-image {
    /* max-width: 100%; */
    /* height: auto; */
    /* object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3)); */
    margin-right: -15%;
    /* 让图片向右延伸 */
    max-width: none;
    width: auto;
    height: 400px;
    object-fit: contain;
    filter: drop-shadow(0 5px 15px rgba(0, 0, 0, 0.3));
}

@media (max-width: 1200px) {
    .wide-container {
        max-width: 1140px;
        /* 接近xl容器尺寸 */
    }

    .product-title {
        font-size: 2.5rem;
    }

    .extended-image {
        margin-right: 0;
        max-width: 100%;
    }
}

@media (max-width: 992px) {
    .full-width-banner {
        padding: 80px 0;
    }
    .product-banner{
        padding:100px 1.5rem;
    }
}

@media (max-width: 768px) {
    .full-width-banner {
        padding: 60px 0;
        text-align: center;
    }

    .product-title {
        font-size: 2rem;
    }

    .product-description {
        font-size: 1rem;
    }

    .product-btn {
        display: block;
        width: 100%;
        margin-bottom: 15px;
    }

    .product-btn-primary {
        margin-right: 0;
    }
}

@media (max-width: 1400px) {
    .extended-image {
        margin-right: -10%;
        height: 350px;
    }
}


/* 业务能力 */
/* Features 区域整体样式 */
.features-section {
    padding: 80px 0;
    background-color: #f8f9fa;
}

/* 单个 Feature 卡片样式 */
.feature-card {
    height: 246px;
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.5s ease;
}

/* Feature 背景图片 */
.feature-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: all 0.5s ease;
}

/* Feature 蒙层 */
.feature-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    transition: all 0.5s ease;
}

.business-capability-title {
    font-size: 1.625rem;
    font-weight: bold;
    margin-top: 60px;
}

.lead {
    color: #999999;
}

/* Feature 内容容器 */
.feature-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    color: white;
    text-align: center;
    z-index: 2;
}

/* 主标题样式 */
.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    transition: all 0.5s ease;
}

/* 英文副标题样式 */
.feature-subtitle {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: 20px;
    transition: all 0.5s ease;
}

/* 详细描述样式 - 默认隐藏 */
.feature-detail {
    position: absolute;
    bottom: -100%;
    width: 100%;
    /* padding: 20px; */
    /* background-color: rgba(255, 255, 255, 0.9); */
    color: #fff;
    font-size: 0.75em;
    transition: all 0.5s ease;
}

.feature-detail p {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 0 20px;

}

/* 悬停效果 */
.feature-card:hover .feature-overlay {
    background-color: rgba(0, 0, 0, 0.7);
}

.feature-card:hover .feature-title,
.feature-card:hover .feature-subtitle {
    transform: translateY(-40px);
}

.feature-card:hover .feature-detail {
    bottom: 0;
}



/* 核心功能 */
.core-functions-title {
    margin-top: 40px;
    font-size: 1.625rem;
    font-weight: bold;
}

.functions-point {
    margin-bottom: 20px;

}

.functions-point h5 {
    color: #000;
    margin-bottom: 10px;
    font-weight: bold;
    font-size: 1rem;
}

.functions-point p {
    color: #666666;
}

.screenshot-container {
    padding: 50px 0;
    height: 100%;
}

.screenshot-container img {
    max-width: 100%;
    height: auto;
}

.tab-content {
    padding: 20px 0;
}

.core-functions .tab-content {
    background-color: #f2f2f2;
}

.functions-content {
    display: flex;
    align-items: center;
    /* 垂直居中 */
    justify-content: center;
    /* 水平居中（可选） */
}

.core-functions .nav-tabs .functions-tab {
    padding: 0;
    margin: 20px 50px 20px 0;
    font-size: 0.875rem;
    color: #333333;
    border: none;
}

.core-functions .nav-tabs .functions-tab.active {
    border: none;
    border-bottom: 2px solid #006dc3;
    color: #006dc3;
}

/* 应用领域 */

.application-fields {
    padding: 160px 0;
}
.application-fields-title {
    /* margin-top: 100px; */
    font-size: 1.625rem;
    font-weight: bold;
}

.application-fields .feature-banner {
    position: relative;
    overflow: hidden;
    margin: 2rem 0;
}

.application-fields .feature-slider {
    display: flex;
    transition: transform 0.5s ease;
}

.application-fields .feature-item {
    flex: 0 0 calc(100% / 3);
    position: relative;
    height: 389px;
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 20px;
    box-sizing: border-box;
}

.application-fields .feature-item .eg span {
    display: inline-block;
    padding: 0 4px;
    font-size: 0.75rem;
    background-color: #006dc3;
    border-radius: 4px;
    margin-right: 4px;
}

.application-fields .feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
}

.application-fields .feature-content {
    position: relative;
    z-index: 1;
    max-width: 80%;
}

.application-fields .feature-title {
    font-size: 1.5rem;
    font-weight: bold;
    margin-bottom: 3.125rem;
}

.application-fields .feature-desc {
    font-size: 1rem;
    margin-bottom: 1.875rem;
}

.application-fields .slider-control {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    border: none;
    font-size: 1.2rem;
    color: #ffffff;
}

.application-fields .slider-control:hover {
    background-color: #006dc3;
}

.application-fields .slider-control.prev {
    left: 15px;
}

.application-fields .slider-control.next {
    right: 15px;
}

.application-fields .indicator-container {
    display: flex;
    justify-content: center;
    margin-top: 20px;
}

.application-fields .indicator-track {
    height: 4px;
    background-color: #ddd;
    width: 120px;
    position: relative;
    border-radius: 2px;
}

.application-fields .indicator-thumb {
    position: absolute;
    height: 100%;
    background-color: #006dc3;
    border-radius: 2px;
    transition: left 0.3s ease;
}

@media (max-width: 992px) {
    .application-fields .feature-item {
        flex: 0 0 50%;
    }
}

@media (max-width: 576px) {
    .application-fields .feature-item {
        flex: 0 0 100%;
    }
}

.more-services h3 {
    font-size: 2.25rem;
    font-weight: bold;
}

.more-services p {
    font-size: 1.0625rem;
    font-weight: bold;
    margin-top: -20px;
}
.more-services {
    background: url(../image/more-services.webp) center top no-repeat;
    width: 100%;
    /* height: 100vh; */
    background-size: cover;
}

.more-services button {
    border-radius: 50px;
    width: 180px;
    height: 50px;
}

.more-services .btn-secondary {
    border: 2px solid #ffffff;
}