:root {
            --primary-color: #e60012;
            --primary-hover: #b8000e;
            --secondary-color: #ff3b30;
            --dark-color: #1a1a1a;
            --light-color: #fcfcfc;
            --bg-color: #fafafa;
            --gray-color: #777777;
            --border-color: #eeeeee;
            --shadow-sm: 0 2px 8px rgba(230, 0, 18, 0.06);
            --shadow-md: 0 8px 24px rgba(230, 0, 18, 0.08);
            --shadow-lg: 0 16px 40px rgba(230, 0, 18, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
            --container-width: 1200px;
        }

        /* Base Reset */
        * {
            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;
            background-color: var(--bg-color);
            color: var(--dark-color);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: var(--dark-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-color);
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        /* Section Global Style */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--light-color);
        }
        section:nth-child(even) {
            background-color: var(--bg-color);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: 2.2rem;
            color: var(--dark-color);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background-color: var(--primary-color);
            border-radius: 2px;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--gray-color);
            max-width: 700px;
            margin: 0 auto;
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-color);
            letter-spacing: 1px;
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: #333;
            padding: 8px 12px;
            border-radius: 4px;
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: var(--primary-color);
            background-color: rgba(230, 0, 18, 0.05);
        }
        .nav-btn {
            background-color: var(--primary-color);
            color: white !important;
            padding: 8px 20px !important;
            border-radius: 20px !important;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230, 0, 18, 0.2);
        }
        .nav-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            padding: 4px;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark-color);
            transition: var(--transition);
        }

        /* Hero Section (No Images) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: linear-gradient(135deg, #fff5f5 0%, #fff 50%, #fff0f0 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 0, 18, 0.08) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 0, 18, 0.05) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            background-color: rgba(230, 0, 18, 0.08);
            color: var(--primary-color);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(230, 0, 18, 0.15);
        }
        .hero-content h1 {
            font-size: 2.8rem;
            line-height: 1.3;
            color: var(--dark-color);
            margin-bottom: 24px;
            font-weight: 800;
        }
        .hero-content h1 span {
            color: var(--primary-color);
        }
        .hero-desc {
            font-size: 1.25rem;
            color: #4a4a4a;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 30px;
            font-size: 1rem;
            font-weight: 600;
            text-align: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary {
            background-color: var(--primary-color);
            color: white;
            box-shadow: 0 6px 20px rgba(230, 0, 18, 0.25);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            color: white;
            transform: translateY(-2px);
        }
        .btn-secondary {
            background-color: white;
            color: var(--dark-color);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .btn-secondary:hover {
            border-color: var(--primary-color);
            color: var(--primary-color);
            transform: translateY(-2px);
        }
        .hero-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .hero-feat-item {
            background-color: white;
            padding: 20px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(230, 0, 18, 0.05);
            transition: var(--transition);
        }
        .hero-feat-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 0, 18, 0.15);
        }
        .hero-feat-item h3 {
            font-size: 1.1rem;
            color: var(--primary-color);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .hero-feat-item p {
            font-size: 0.85rem;
            color: var(--gray-color);
        }

        /* About Section & Platform Intro */
        .about-section {
            background-color: white;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            color: var(--dark-color);
            margin-bottom: 20px;
            font-weight: 700;
        }
        .about-text p {
            color: #555;
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .platform-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .p-feat-card {
            padding: 20px;
            background-color: var(--bg-color);
            border-radius: 8px;
            border-left: 4px solid var(--primary-color);
        }
        .p-feat-card h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark-color);
        }
        .p-feat-card p {
            font-size: 0.88rem;
            color: var(--gray-color);
            margin-bottom: 0;
        }
        .about-image-wrapper {
            position: relative;
        }
        .about-img {
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
        }

        /* AIGC Services Section */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background-color: white;
            padding: 40px 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: transparent;
            transition: var(--transition);
        }
        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 0, 18, 0.15);
        }
        .service-card:hover::before {
            background-color: var(--primary-color);
        }
        .service-icon {
            width: 60px;
            height: 60px;
            background-color: rgba(230, 0, 18, 0.05);
            color: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: bold;
            margin-bottom: 24px;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--dark-color);
            font-weight: 700;
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--gray-color);
            line-height: 1.6;
        }

        /* One-stop Production */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .production-card {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .production-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .production-card .img-container {
            height: 180px;
            background-color: #eaeaea;
            overflow: hidden;
            position: relative;
        }
        .production-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .production-info {
            padding: 20px;
        }
        .production-info h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .production-info p {
            font-size: 0.88rem;
            color: var(--gray-color);
        }

        /* Solutions Section */
        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }
        .tab-btn {
            padding: 10px 24px;
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }
        .solution-content {
            background-color: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-sm);
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .solution-content.active {
            display: grid;
        }
        .sol-text h3 {
            font-size: 1.6rem;
            margin-bottom: 20px;
            color: var(--dark-color);
        }
        .sol-list {
            margin-top: 20px;
        }
        .sol-list li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: #555;
        }
        .sol-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-color);
            font-weight: bold;
        }

        /* Service Network & Timeline */
        .network-section {
            background-color: var(--bg-color);
        }
        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }
        .map-mockup {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            text-align: center;
            border: 1px solid var(--border-color);
        }
        .map-dots {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        .map-dot-card {
            background-color: var(--bg-color);
            padding: 15px;
            border-radius: 8px;
            font-size: 0.85rem;
            font-weight: bold;
            border: 1px solid var(--border-color);
        }
        .map-dot-card span {
            color: var(--primary-color);
            display: block;
            font-size: 1.2rem;
            margin-bottom: 5px;
        }

        /* Standardized Process */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            background-color: white;
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
        }
        .process-step:hover {
            transform: translateY(-5px);
            border-color: rgba(230, 0, 18, 0.2);
        }
        .process-step .step-num {
            width: 40px;
            height: 40px;
            background-color: var(--primary-color);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px;
            font-size: 1.1rem;
        }
        .process-step h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--gray-color);
        }

        /* Cases Center (Using Provided Banner Images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .case-card {
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .case-img-container {
            height: 200px;
            overflow: hidden;
        }
        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }
        .case-info {
            padding: 20px;
        }
        .case-info span {
            font-size: 0.75rem;
            text-transform: uppercase;
            color: var(--primary-color);
            font-weight: 600;
            letter-spacing: 1px;
        }
        .case-info h4 {
            font-size: 1.05rem;
            margin: 8px 0;
            font-weight: 700;
        }
        .case-info p {
            font-size: 0.85rem;
            color: var(--gray-color);
        }

        /* Comparison Evaluation Section */
        .rating-badge {
            background-color: #fff0f0;
            border: 1px solid rgba(230, 0, 18, 0.2);
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
        }
        .rating-item {
            text-align: center;
        }
        .rating-val {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            line-height: 1;
        }
        .rating-stars {
            color: #ffcc00;
            font-size: 1.5rem;
            margin-top: 5px;
        }
        .table-responsive {
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
            text-align: left;
            min-width: 800px;
        }
        th, td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }
        th {
            background-color: #fff5f5;
            color: var(--dark-color);
            font-weight: 700;
        }
        tr:last-child td {
            border-bottom: none;
        }
        td.highlight {
            font-weight: 600;
            color: var(--primary-color);
            background-color: rgba(230, 0, 18, 0.02);
        }

        /* Token Price Match */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: flex-start;
        }
        .token-compare-card {
            background-color: white;
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .token-model-list {
            margin-top: 20px;
        }
        .token-model-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border-color);
        }
        .token-model-item:last-child {
            border-bottom: none;
        }
        .model-name {
            font-weight: 600;
        }
        .model-prices {
            text-align: right;
        }
        .price-official {
            font-size: 0.8rem;
            color: var(--gray-color);
            text-decoration: line-through;
            margin-right: 10px;
        }
        .price-jxdl {
            font-size: 1rem;
            color: var(--primary-color);
            font-weight: 700;
        }

        /* Platform Models Tags Cloud */
        .tags-cloud-wrap {
            background-color: white;
            border-radius: 16px;
            padding: 35px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .tag-item {
            padding: 6px 14px;
            background-color: var(--bg-color);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .tag-item:hover {
            background-color: var(--primary-color);
            color: white;
            border-color: var(--primary-color);
        }

        /* Technical Training Section */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .training-card {
            background-color: white;
            border-radius: 16px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .training-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: rgba(230, 0, 18, 0.15);
        }
        .training-badge {
            background-color: #fff0f0;
            color: var(--primary-color);
            font-size: 0.75rem;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 15px;
        }
        .training-card h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .training-card p {
            font-size: 0.9rem;
            color: var(--gray-color);
            margin-bottom: 20px;
        }
        .training-features {
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }
        .training-feat-item {
            font-size: 0.85rem;
            color: #555;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }
        .training-feat-item::before {
            content: '●';
            color: var(--primary-color);
            font-size: 0.6rem;
        }

        /* FAQ Section (Accordion) */
        .faq-grid {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-question {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            user-select: none;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background-color: var(--bg-color);
            border-top: 0 solid var(--border-color);
        }
        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 0.95rem;
            color: #555;
        }
        .faq-item.active {
            border-color: rgba(230, 0, 18, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-item.active .faq-answer {
            max-height: 1000px;
            border-top-width: 1px;
            transition: max-height 0.5s cubic-bezier(1, 0, 1, 0);
        }
        .faq-toggle-icon {
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .faq-item.active .faq-toggle-icon {
            transform: rotate(45deg);
            color: var(--primary-color);
        }

        /* AI Glossary & Knowledge base (Articles) */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 50px;
        }
        .glossary-card {
            background-color: white;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .glossary-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: rgba(230, 0, 18, 0.15);
        }
        .glossary-card h4 {
            color: var(--primary-color);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .glossary-card p {
            font-size: 0.85rem;
            color: var(--gray-color);
        }
        .articles-list {
            background-color: white;
            border-radius: 12px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .article-item:last-child {
            border-bottom: none;
        }
        .article-title {
            font-weight: 600;
            color: var(--dark-color);
        }
        .article-date {
            font-size: 0.85rem;
            color: var(--gray-color);
        }

        /* User Reviews Section */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .review-card {
            background-color: white;
            padding: 30px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .review-card::after {
            content: '“';
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 4rem;
            color: rgba(230, 0, 18, 0.05);
            font-family: Georgia, serif;
            line-height: 1;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }
        .review-avatar-text {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: #fff0f0;
            color: var(--primary-color);
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }
        .review-user-info h4 {
            font-size: 0.95rem;
            font-weight: bold;
        }
        .review-user-info span {
            font-size: 0.8rem;
            color: var(--gray-color);
        }
        .review-text {
            font-size: 0.9rem;
            color: #555;
            line-height: 1.6;
        }

        /* Contact & Form Section */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info-wrap {
            background-color: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .contact-info-item {
            margin-bottom: 25px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }
        .contact-info-item svg {
            width: 24px;
            height: 24px;
            fill: var(--primary-color);
            margin-top: 3px;
        }
        .contact-info-item h4 {
            font-size: 1rem;
            margin-bottom: 5px;
            font-weight: 700;
        }
        .contact-info-item p, .contact-info-item a {
            font-size: 0.9rem;
            color: var(--gray-color);
        }
        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }
        .qr-item {
            text-align: center;
            background-color: var(--bg-color);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        .qr-item img {
            width: 100px;
            height: 100px;
            margin: 0 auto 10px;
            border-radius: 4px;
        }
        .qr-item span {
            font-size: 0.8rem;
            font-weight: bold;
            color: var(--dark-color);
            display: block;
        }
        
        /* Submission Form */
        .form-wrap {
            background-color: white;
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid rgba(230, 0, 18, 0.1);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            transition: var(--transition);
            background-color: var(--bg-color);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary-color);
            background-color: white;
            box-shadow: 0 0 0 3px rgba(230, 0, 18, 0.1);
        }
        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%231a1a1a'%3E%3Cpath d='M7 10l5 5 5-5z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            background-size: 16px;
        }
        .form-submit-btn {
            width: 100%;
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 12px rgba(230, 0, 18, 0.15);
        }
        .form-submit-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }

        /* Footer Style */
        footer {
            background-color: #111111;
            color: #bbbbbb;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 3px solid var(--primary-color);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo-desc h3 {
            color: white;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: 1px;
        }
        .footer-logo-desc p {
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-col h4 {
            color: white;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-color);
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a {
            color: #bbbbbb;
        }
        .footer-col ul li a:hover {
            color: white;
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid #222222;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-bottom p {
            font-size: 0.8rem;
        }
        .friend-links {
            font-size: 0.8rem;
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }
        .friend-links a {
            color: #888888;
        }
        .friend-links a:hover {
            color: white;
        }

        /* Float Customer Service */
        .float-bar {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }
        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: white;
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }
        .float-item:hover {
            background-color: var(--primary-color);
            border-color: var(--primary-color);
        }
        .float-item svg {
            width: 22px;
            height: 22px;
            fill: var(--dark-color);
            transition: var(--transition);
        }
        .float-item:hover svg {
            fill: white;
        }
        .float-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            display: none;
            width: 150px;
            text-align: center;
        }
        .float-item .popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }
        .float-item .popover span {
            font-size: 0.8rem;
            font-weight: bold;
            color: var(--dark-color);
        }
        .float-item:hover .popover {
            display: block;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .service-grid, .production-grid, .cases-grid, .training-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
            }
            .hero-features {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .token-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .service-grid, .production-grid, .cases-grid, .training-grid, .reviews-grid, .process-flow, .hero-features, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .solution-content {
                grid-template-columns: 1fr;
                padding: 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .float-bar {
                bottom: 20px;
                right: 20px;
            }
        }