/* CSS reset & variables */
        :root {
            --primary: #FF5500;
            --primary-hover: #E04B00;
            --primary-light: #FFF0E8;
            --text-main: #1A1A1A;
            --text-muted: #666666;
            --bg-light: #FFF9F5;
            --bg-white: #FFFFFF;
            --border-color: #FFE5D9;
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Common Layout Utilities */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 16px;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--bg-white);
            box-shadow: 0 4px 15px rgba(255, 85, 0, 0.3);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 85, 0, 0.4);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--bg-white);
            transform: translateY(-2px);
        }

        /* Navigation Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
        }

        .logo-area img {
            max-height: 40px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--text-main);
            cursor: pointer;
        }

        /* Hero Section (No Image) */
        .hero {
            background: linear-gradient(135deg, #FFF9F5 0%, #FFEBE0 50%, #FFF3EC 100%);
            padding: 100px 0 120px 0;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            max-width: 900px;
            margin: 0 auto 24px;
        }

        .hero h1 span {
            color: var(--primary);
            position: relative;
        }

        .hero-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            flex-wrap: wrap;
        }

        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            color: var(--text-main);
            font-weight: 600;
        }

        .hero-feature-item svg {
            color: var(--primary);
            width: 20px;
            height: 20px;
        }

        /* Data Badges Cards (Stats) */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -60px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px 24px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(255, 85, 0, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 40px rgba(255, 85, 0, 0.1);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* About us - Platform introduction */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-text p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .about-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .point-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .point-icon {
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 8px;
            padding: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .point-content h4 {
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .point-content p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.4;
        }

        .about-visual {
            background-color: var(--bg-white);
            border: 2px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.02);
            position: relative;
        }

        /* Tag Cloud style for AIGC Platforms */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .platform-tag {
            background-color: var(--primary-light);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            transition: var(--transition);
            border: 1px solid rgba(255, 85, 0, 0.1);
        }

        .platform-tag:hover {
            background-color: var(--primary);
            color: var(--bg-white);
            transform: scale(1.05);
        }

        /* AIGC Services Grid */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary);
            transform: scaleX(0);
            transition: var(--transition);
            transform-origin: left;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(255, 85, 0, 0.08);
        }

        .service-card:hover::before {
            transform: scaleX(1);
        }

        .service-icon {
            font-size: 40px;
            color: var(--primary);
            margin-bottom: 24px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* One-stop Production Blocks */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .production-box {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .production-box h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .production-box p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .production-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .production-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .production-features li svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        /* Solutions grid */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: var(--transition);
        }

        .solution-card:hover {
            background-color: var(--primary-light);
            transform: translateY(-3px);
        }

        .solution-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .solution-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Workflow Steps */
        .workflow-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 25px;
            left: 5%;
            width: 90%;
            height: 2px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .workflow-step {
            position: relative;
            z-index: 2;
            text-align: center;
            flex: 1;
            padding: 0 15px;
        }

        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--bg-white);
            border: 3px solid var(--primary);
            color: var(--primary);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .workflow-step:hover .step-number {
            background-color: var(--primary);
            color: var(--bg-white);
            transform: scale(1.1);
        }

        .workflow-step h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .workflow-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.01);
        }

        .training-list {
            list-style: none;
            margin-top: 24px;
        }

        .training-item-inner {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 16px 20px;
            border-radius: 10px;
            margin-bottom: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .training-item-inner:hover {
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .training-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
        }

        .training-tag {
            font-size: 12px;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 10px;
            border-radius: 12px;
            font-weight: 600;
        }

        /* Cases Center (Real Images Showcase) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(255, 85, 0, 0.1);
        }

        .case-image-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: #eee;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-image-wrapper img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 24px;
        }

        .case-info h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        /* Evaluation Block */
        .evaluation-box {
            background: linear-gradient(135deg, #FFF9F5 0%, #FFF0E8 100%);
            border: 2px solid var(--primary);
            border-radius: 20px;
            padding: 45px;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .evaluation-score {
            text-align: center;
            border-right: 1px solid var(--border-color);
            padding-right: 40px;
        }

        .score-number {
            font-size: 72px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-star {
            color: #FFB800;
            font-size: 24px;
            margin: 12px 0;
        }

        .score-label {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
        }

        .evaluation-table-wrapper {
            overflow-x: auto;
        }

        .eval-table {
            width: 100%;
            border-collapse: collapse;
        }

        .eval-table th, .eval-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--border-color);
        }

        .eval-table th {
            font-weight: 700;
            color: var(--text-main);
            background-color: rgba(255, 85, 0, 0.05);
        }

        .eval-table td {
            font-size: 14px;
            color: var(--text-muted);
        }

        .eval-table td strong {
            color: var(--primary);
        }

        /* Pricing Table */
        .pricing-table-wrapper {
            margin-top: 30px;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background-color: var(--bg-white);
        }

        .price-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .price-table th, .price-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .price-table th {
            background-color: var(--bg-light);
            font-weight: 700;
        }

        .price-tag-low {
            color: var(--primary);
            font-weight: 700;
        }

        /* Technical Standards */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .standard-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
        }

        .standard-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .standard-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Testimonials */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.01);
            position: relative;
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }

        .author-meta h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .author-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ Accordion */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            background-color: var(--bg-white);
            border-radius: 10px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-light);
        }

        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

        /* Troubleshooting & Encyclopedia & Network Grid */
        .aux-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .aux-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

        .aux-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-main);
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .aux-list {
            list-style: none;
        }

        .aux-list li {
            margin-bottom: 12px;
            font-size: 14px;
        }

        .aux-list li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

        .aux-list li a:hover {
            color: var(--primary);
        }

        /* News / Articles Section */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .news-card a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 15px;
        }

        .news-card a:hover {
            color: var(--primary-hover);
        }

        /* Form section */
        .form-section-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: start;
        }

        .form-wrapper {
            background-color: var(--bg-white);
            border: 2px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 45px rgba(0,0,0,0.02);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-group input, .form-group select, .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 14px;
            background-color: var(--bg-light);
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 85, 0, 0.1);
        }

        /* Contact Details */
        .contact-info-panel {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
        }

        .contact-method {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            margin-bottom: 24px;
        }

        .contact-method-icon {
            background-color: var(--primary-light);
            color: var(--primary);
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-method-detail h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .contact-method-detail p {
            font-size: 14px;
            color: var(--text-muted);
        }

        .qr-codes-area {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
            padding-top: 30px;
            border-top: 1px dashed var(--border-color);
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* Floating Widgets */
        .float-widget {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--bg-white);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 85, 0, 0.3);
            text-decoration: none;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background-color: var(--primary-hover);
        }

        .float-tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--text-main);
            color: var(--bg-white);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 12px;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .float-btn:hover .float-tooltip {
            opacity: 1;
            visibility: visible;
        }

        /* Footer */
        .site-footer {
            background-color: #1A1A1A;
            color: #E6E6E6;
            padding: 60px 0 20px;
            border-top: none;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h3 {
            color: var(--bg-white);
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 14px;
            color: #B3B3B3;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: var(--bg-white);
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: #B3B3B3;
            text-decoration: none;
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links ul li a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid #333333;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: #888888;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            color: #888888;
            text-decoration: none;
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: var(--primary);
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .stats-grid, .service-grid, .solutions-grid, .cases-grid, .standards-grid, .reviews-grid, .aux-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .production-grid, .training-grid, .form-section-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .evaluation-box {
                grid-template-columns: 1fr;
            }
            .evaluation-score {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                padding-right: 0;
                padding-bottom: 20px;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .hero h1 {
                font-size: 32px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -30px;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 4px 10px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .workflow-timeline {
                flex-direction: column;
                gap: 30px;
            }
            .workflow-timeline::before {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .stats-grid, .service-grid, .solutions-grid, .cases-grid, .standards-grid, .reviews-grid, .aux-grid {
                grid-template-columns: 1fr;
            }
        }