/* 服务介绍区域 */
        .hero-image-wrapper {
            position: relative;
            overflow: hidden;
            border-radius: 8px;
        }

        .image-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
            padding: 30px 20px 20px;
        }

        .overlay-text {
            color: white;
            font-size: 1.8rem;
            font-weight: 600;
            text-align: center;
            text-shadow: 0 2px 4px rgba(0,0,0,0.5);
        }

        .service-highlight-card {
            background-color: #fff;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .service-title {
            margin-bottom: 25px;
            color: var(--primary-color, #0d6efd);
            font-weight: 600;
        }

        .service-points {
            display: grid;
            gap: 15px;
        }

        .service-point {
            display: flex;
            align-items: center;
        }

        .service-point i {
            color: var(--primary-color, #0d6efd);
            font-size: 1.2rem;
            margin-right: 15px;
        }

        .service-point span {
            font-size: 1.1rem;
        }

        /* 原料种类 */
        .materials-categories {
            background-color: #fff;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .category-tabs .nav-pills {
            border-bottom: 1px solid #eee;
            padding-bottom: 1rem;
        }

        .category-tabs .nav-pills .nav-link {
            color: #555;
            background-color: transparent;
            border-radius: 30px;
            padding: .5rem 1.5rem;
            margin: 0 5px;
            transition: all 0.3s ease;
        }

        .category-tabs .nav-pills .nav-link.active {
            color: white;
            background-color: var(--primary-color, #0d6efd);
        }

        .materials-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
            margin-top: 25px;
        }

        .materials-grid.tools-grid {
            grid-template-columns: repeat(2, 1fr);
        }

        .material-card {
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease;
        }

        .material-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 25px rgba(0,0,0,0.1);
        }

        .material-img {
            height: 180px;
            overflow: hidden;
        }

        .material-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .material-card:hover .material-img img {
            transform: scale(1.05);
        }

        .material-content {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .material-content h4 {
            margin-bottom: 10px;
            color: var(--primary-color, #0d6efd);
        }

        .material-description {
            margin-bottom: 15px;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .material-properties {
            margin-top: auto;
        }

        .property {
            margin-bottom: 8px;
        }

        .property-label {
            display: block;
            font-size: 0.9rem;
            margin-bottom: 3px;
        }

        .property-meter {
            height: 8px;
            background-color: #f5f5f5;
            border-radius: 4px;
            overflow: hidden;
        }

        .meter-fill {
            height: 100%;
            background-color: var(--primary-color, #0d6efd);
            border-radius: 4px;
        }

        .material-usage h5 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--primary-color, #0d6efd);
        }

        .material-usage ul {
            padding-left: 20px;
            margin-bottom: 0;
        }

        .material-usage li {
            margin-bottom: 5px;
            font-size: 0.95rem;
        }

        .color-samples {
            display: flex;
            gap: 8px;
            margin-top: 15px;
        }

        .color-sample {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        .tool-craft h5 {
            font-size: 1rem;
            margin: 15px 0 5px;
            color: var(--primary-color, #0d6efd);
        }

        .tool-craft p {
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* 保护与研究项目 */
        .conservation-projects .project-card {
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            height: 100%;
        }

        .project-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .project-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .project-card:hover .project-img img {
            transform: scale(1.05);
        }

        .project-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--primary-color, #0d6efd);
            color: white;
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: 30px;
        }

        .project-content {
            padding: 20px;
        }

        .project-content h4 {
            margin-bottom: 15px;
            color: var(--primary-color, #0d6efd);
        }

        .project-info {
            display: flex;
            gap: 15px;
            margin-bottom: 15px;
        }

        .info-item {
            display: flex;
            align-items: center;
            font-size: 0.9rem;
            color: #666;
        }

        .info-item i {
            margin-right: 5px;
            color: var(--primary-color, #0d6efd);
        }

        .project-description {
            margin-bottom: 15px;
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .project-stats {
            display: flex;
            justify-content: space-between;
            padding-top: 15px;
            border-top: 1px solid #eee;
        }

        .stat {
            text-align: center;
        }

        .stat-number {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--primary-color, #0d6efd);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 0.8rem;
            color: #666;
        }

        /* 原料处理流程 */
        .process-timeline {
            position: relative;
            padding: 20px 0;
        }

        .timeline-container {
            position: relative;
        }

        .timeline-container::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 20px;
            width: 2px;
            background-color: var(--primary-color, #0d6efd);
        }

        .timeline-item {
            position: relative;
            padding-left: 60px;
            margin-bottom: 50px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-icon {
            position: absolute;
            left: 0;
            top: 0;
            width: 40px;
            height: 40px;
            background-color: var(--primary-color, #0d6efd);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 1;
        }

        .timeline-content {
            background-color: #fff;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .timeline-content h4 {
            margin-bottom: 10px;
            color: var(--primary-color, #0d6efd);
        }

        .timeline-content p {
            margin-bottom: 15px;
        }

        .timeline-img {
            width: 100%;
            border-radius: 6px;
        }

        /* 原料认证与标准 */
        .standards-card,
        .process-card {
            background-color: #fff;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            height: 100%;
        }

        .standards-card h4,
        .process-card h4 {
            margin-bottom: 20px;
            color: var(--primary-color, #0d6efd);
            display: flex;
            align-items: center;
        }

        .standards-card h4 i,
        .process-card h4 i {
            margin-right: 10px;
        }

        .standards-list {
            padding-left: 0;
            list-style: none;
        }

        .standards-list li {
            margin-bottom: 15px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }

        .standards-list li:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }

        .standard-name {
            display: block;
            font-weight: 600;
            margin-bottom: 5px;
            color: #333;
        }

        .standards-list p {
            margin-bottom: 0;
            font-size: 0.95rem;
            color: #666;
        }

        .cert-steps {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .cert-step {
            display: flex;
            align-items: center;
        }

        .step-number {
            width: 35px;
            height: 35px;
            background-color: var(--primary-color, #0d6efd);
            color: white;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            font-weight: 600;
            font-size: 0.9rem;
            margin-right: 15px;
            flex-shrink: 0;
        }

        .step-content h5 {
            margin-bottom: 5px;
            font-size: 1rem;
        }

        .step-content p {
            margin-bottom: 0;
            font-size: 0.9rem;
            color: #666;
        }

        /* 相关服务 */
        .related-service-card {
            display: block;
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
            height: 100%;
            text-decoration: none;
            color: inherit;
        }

        .related-service-card:hover {
            transform: translateY(-5px);
        }

        .related-service-img {
            overflow: hidden;
            height: 180px;
        }

        .related-service-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        .related-service-card:hover .related-service-img img {
            transform: scale(1.05);
        }

        .related-service-content {
            padding: 20px;
        }

        .related-service-content h4 {
            margin-bottom: 10px;
            color: var(--primary-color, #0d6efd);
        }

        .related-service-content p {
            margin-bottom: 15px;
            color: #666;
        }

        .read-more {
            display: flex;
            align-items: center;
            color: var(--primary-color, #0d6efd);
        }

        .read-more i {
            margin-left: 5px;
            transition: transform 0.3s ease;
        }

        .related-service-card:hover .read-more i {
            transform: translateX(5px);
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .materials-grid,
            .materials-grid.tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .materials-grid,
            .materials-grid.tools-grid {
                grid-template-columns: 1fr;
            }

            .timeline-container::before {
                left: 20px;
            }

            .timeline-icon {
                left: 0;
            }

            .timeline-content {
                padding-left: 60px;
            }
        }

        @media (max-width: 576px) {
            .category-tabs .nav-pills {
                flex-wrap: nowrap;
                overflow-x: auto;
                padding-bottom: 15px;
            }

            .category-tabs .nav-pills .nav-link {
                white-space: nowrap;
            }

            .project-stats {
                flex-wrap: wrap;
            }

            .stat {
                flex: 0 0 50%;
                margin-bottom: 15px;
            }
        }