:root {
            --bg-color: #fafafa;
            --primary: #0052ff;
            --secondary: #ff5a00;
            --accent: #10b981;
            --text-main: #0f172a;
            --text-muted: #64748b;
            --white: #ffffff;
            --border-width: 3px;
            --shadow-offset-sm: 4px;
            --shadow-offset: 8px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* Container Layout */
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Neo-brutalism Style Blocks (撞色艳色风) */
        .neo-card {
            background: var(--white);
            border: var(--border-width) solid var(--text-main);
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--text-main);
            padding: 32px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .neo-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: calc(var(--shadow-offset) + 4px) calc(var(--shadow-offset) + 4px) 0px var(--primary);
        }

        .btn-neo {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            color: var(--text-main);
            background: var(--secondary);
            border: var(--border-width) solid var(--text-main);
            box-shadow: var(--shadow-offset-sm) var(--shadow-offset-sm) 0px var(--text-main);
            cursor: pointer;
            transition: var(--transition);
            border-radius: 4px;
        }
        .btn-neo:hover {
            transform: translate(-2px, -2px);
            box-shadow: calc(var(--shadow-offset-sm) + 2px) calc(var(--shadow-offset-sm) + 2px) 0px var(--primary);
            background: var(--white);
        }
        .btn-neo.btn-primary {
            background: var(--primary);
            color: var(--white);
        }
        .btn-neo.btn-primary:hover {
            color: var(--text-main);
            background: var(--accent);
        }

        /* Header */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: var(--bg-color);
            border-bottom: var(--border-width) solid var(--text-main);
            padding: 16px 0;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .ai-page-logo {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-weight: 900;
            font-size: 22px;
            letter-spacing: -0.5px;
            text-transform: uppercase;
        }
        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 700;
            font-size: 14px;
            padding: 6px 12px;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .nav-links a:hover {
            background: var(--accent);
            border-color: var(--text-main);
        }
        .nav-btn {
            font-size: 14px;
            padding: 8px 16px;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
        }

        /* Section Global Settings */
        section {
            padding: 80px 0;
            border-bottom: var(--border-width) solid var(--text-main);
        }
        .section-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--text-main);
            font-weight: 800;
            font-size: 14px;
            text-transform: uppercase;
            padding: 4px 12px;
            border: 2px solid var(--text-main);
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 38px;
            font-weight: 900;
            margin-bottom: 24px;
            line-height: 1.2;
        }
        .section-desc {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 700px;
            margin-bottom: 40px;
        }

        /* Hero Section (首屏无图) */
        #home {
            background: radial-gradient(circle at 80% 20%, rgba(0, 82, 255, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 90, 0, 0.1) 0%, transparent 50%);
            padding: 120px 0;
            position: relative;
        }
        .hero-layout {
            max-width: 900px;
        }
        .hero-tagline {
            font-size: 20px;
            font-weight: 800;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .hero-title-h1 {
            font-size: 56px;
            font-weight: 950;
            line-height: 1.1;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }
        .hero-desc {
            font-size: 20px;
            color: var(--text-main);
            margin-bottom: 40px;
            max-width: 780px;
            line-height: 1.5;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }
        .stat-box {
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 24px;
            text-align: center;
            box-shadow: 4px 4px 0 var(--text-main);
        }
        .stat-box .number {
            font-size: 36px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 4px;
        }
        .stat-box .label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
        }

        /* Platform Intro (关于我们) */
        #about {
            background: var(--white);
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }
        .feat-item {
            background: var(--bg-color);
            border: 2px solid var(--text-main);
            padding: 20px;
            border-radius: 4px;
        }
        .feat-item h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--primary);
        }
        .feat-item p {
            font-size: 14px;
            color: var(--text-muted);
        }
        .about-badge {
            background: var(--secondary);
            border: var(--border-width) solid var(--text-main);
            padding: 40px;
            transform: rotate(2deg);
            box-shadow: 8px 8px 0 var(--text-main);
        }
        .about-badge h3 {
            font-size: 28px;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--text-main);
        }
        .about-badge p {
            font-weight: 700;
            margin-bottom: 24px;
        }

        /* Services & Production */
        #services {
            background: #f0f7ff;
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .service-card h3 {
            font-size: 20px;
            font-weight: 900;
            margin: 16px 0 12px 0;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .model-list-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }
        .model-tag {
            font-size: 12px;
            background: var(--bg-color);
            border: 1px solid var(--text-main);
            padding: 2px 8px;
            border-radius: 2px;
            font-weight: 600;
        }

        /* Workflow & Standards */
        #workflow {
            background: var(--white);
        }
        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }
        .flow-step {
            background: var(--bg-color);
            border: 2px solid var(--text-main);
            padding: 24px;
            position: relative;
            box-shadow: 4px 4px 0 var(--text-main);
        }
        .step-num {
            position: absolute;
            top: -15px;
            left: 20px;
            background: var(--secondary);
            border: 2px solid var(--text-main);
            color: var(--text-main);
            font-weight: 900;
            font-size: 16px;
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flow-step h3 {
            font-size: 18px;
            font-weight: 800;
            margin-top: 12px;
            margin-bottom: 8px;
        }
        .flow-step p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Solutions & Network */
        #solutions {
            background: #fffcf0;
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .network-section {
            margin-top: 60px;
            border-top: 2px dashed var(--text-main);
            padding-top: 40px;
        }
        .network-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }
        .network-node {
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 8px 16px;
            font-weight: 700;
            font-size: 14px;
            box-shadow: 2px 2px 0 var(--text-main);
        }

        /* Case Studies (案例展示) */
        #cases {
            background: var(--white);
        }
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .case-card {
            background: var(--white);
            border: var(--border-width) solid var(--text-main);
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text-main);
            overflow: hidden;
        }
        .case-img-wrap {
            border-bottom: var(--border-width) solid var(--text-main);
            background: var(--bg-color);
            aspect-ratio: 16/10;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .case-card:hover .case-img-wrap img {
            transform: scale(1.05);
        }
        .case-body {
            padding: 24px;
        }
        .case-badge {
            background: var(--accent);
            border: 1px solid var(--text-main);
            padding: 2px 8px;
            font-size: 12px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 12px;
        }
        .case-body h3 {
            font-size: 20px;
            font-weight: 900;
            margin-bottom: 8px;
        }
        .case-body p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Evaluation (对比评测) */
        #evaluation {
            background: #fff5f0;
        }
        .eval-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
            background: var(--white);
            border: var(--border-width) solid var(--text-main);
            padding: 32px;
            box-shadow: 6px 6px 0 var(--text-main);
        }
        .score-box {
            text-align: right;
        }
        .score-box h3 {
            font-size: 48px;
            font-weight: 950;
            color: var(--secondary);
            line-height: 1;
        }
        .score-box p {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
        }
        .eval-table-container {
            overflow-x: auto;
            border: var(--border-width) solid var(--text-main);
            background: var(--white);
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text-main);
        }
        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }
        .eval-table th, .eval-table td {
            padding: 16px 24px;
            border: 2px solid var(--text-main);
            font-size: 15px;
        }
        .eval-table th {
            background: var(--bg-color);
            font-weight: 900;
        }
        .eval-table td strong {
            color: var(--primary);
        }
        .eval-table tr:hover {
            background: #fbfbfb;
        }

        /* Token Price (Token比价) */
        #price {
            background: var(--white);
        }
        .price-layout {
            display: grid;
            grid-template-columns: 1.8fr 1.2fr;
            gap: 40px;
        }
        .price-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .price-tag {
            background: var(--bg-color);
            border: 2px solid var(--text-main);
            padding: 6px 12px;
            font-weight: 700;
            font-size: 13px;
        }

        /* Training (技术与AI培训) */
        #training {
            background: #fbf0ff;
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }
        .train-card {
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 24px;
            text-align: center;
            box-shadow: 4px 4px 0 var(--text-main);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }
        .train-card h3 {
            font-size: 16px;
            font-weight: 900;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .train-card p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .train-badge {
            background: var(--accent);
            border: 1px solid var(--text-main);
            padding: 2px 6px;
            font-size: 11px;
            font-weight: 800;
            display: inline-block;
            margin-top: auto;
        }

        /* Matching & Form (需求匹配) */
        #match {
            background: var(--white);
        }
        .match-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
        }
        .match-form {
            background: var(--white);
            border: var(--border-width) solid var(--text-main);
            padding: 40px;
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text-main);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--text-main);
            font-size: 15px;
            background: var(--bg-color);
            outline: none;
        }
        .form-control:focus {
            border-color: var(--primary);
            background: var(--white);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* FAQ (常见问题 & 自助排查) */
        #faq {
            background: #f0fff4;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            border: 2px solid var(--text-main);
            background: var(--white);
            box-shadow: 4px 4px 0 var(--text-main);
        }
        .faq-question {
            padding: 20px;
            font-weight: 800;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-question::after {
            content: '+';
            font-size: 20px;
            font-weight: 900;
            color: var(--primary);
            transition: transform 0.2s;
        }
        .faq-item.active .faq-question::after {
            content: '-';
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out;
            border-top: 0 solid var(--text-main);
            background: var(--bg-color);
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            border-top: 2px solid var(--text-main);
        }
        .faq-answer-inner {
            padding: 20px;
            font-size: 14px;
            color: var(--text-main);
        }

        /* AI Glossary & Diagnostics (排查与术语) */
        .diagnostics-box {
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 24px;
            margin-bottom: 24px;
            box-shadow: 4px 4px 0 var(--text-main);
        }
        .diagnostics-box h4 {
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--secondary);
        }
        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .glossary-item strong {
            color: var(--primary);
            display: inline-block;
            margin-right: 8px;
        }

        /* Agent (加盟代理) */
        #agent {
            background: var(--white);
        }
        .agent-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .agent-perks {
            list-style: none;
            margin: 24px 0;
        }
        .agent-perks li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            font-weight: 700;
        }
        .agent-perks li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: 900;
        }

        /* Testimonials (用户评论) */
        #testimonials {
            background: #fffaf0;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testimonial-card {
            background: var(--white);
            border: var(--border-width) solid var(--text-main);
            padding: 32px;
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0 var(--text-main);
        }
        .testimonial-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .avatar-placeholder {
            width: 48px;
            height: 48px;
            background: var(--accent);
            border: 2px solid var(--text-main);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
        }
        .testimonial-meta h4 {
            font-size: 15px;
            font-weight: 800;
        }
        .testimonial-meta p {
            font-size: 12px;
            color: var(--text-muted);
        }
        .testimonial-content {
            font-size: 14px;
            color: var(--text-main);
            font-style: italic;
        }

        /* Articles & Knowledge base */
        #knowledge {
            background: var(--white);
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .article-card {
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 24px;
            box-shadow: 4px 4px 0 var(--text-main);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card h3 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .article-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            margin-top: 16px;
            border-top: 1px dashed var(--text-main);
            padding-top: 16px;
        }
        .article-links a {
            font-size: 13px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 700;
        }
        .article-links a:hover {
            text-decoration: underline;
        }

        /* Contact & Footer */
        footer {
            background: var(--text-main);
            color: #f1f5f9;
            padding: 60px 0 30px 0;
            border-top: var(--border-width) solid var(--text-main);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr 1fr;
            gap: 48px;
            margin-bottom: 40px;
        }
        .footer-brand h3 {
            font-size: 24px;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--white);
        }
        .footer-brand p {
            font-size: 14px;
            color: #94a3b8;
            margin-bottom: 20px;
        }
        .footer-contact-info {
            font-size: 14px;
            line-height: 2;
        }
        .footer-contact-info a {
            color: #38bdf8;
            text-decoration: none;
        }
        .footer-links-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .footer-links-group h4 {
            font-size: 16px;
            font-weight: 800;
            color: var(--white);
            margin-bottom: 16px;
        }
        .footer-links-group ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-links-group a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
            transition: var(--transition);
        }
        .footer-links-group a:hover {
            color: var(--white);
            padding-left: 4px;
        }
        .qr-section {
            text-align: center;
        }
        .qr-wrap {
            width: 140px;
            height: 140px;
            background: var(--white);
            padding: 8px;
            margin: 0 auto 12px auto;
            border: 3px solid var(--primary);
        }
        .qr-wrap img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }
        .qr-section p {
            font-size: 13px;
            font-weight: 700;
            color: #94a3b8;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #64748b;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
            color: #64748b;
        }
        .friend-links a {
            color: #64748b;
            text-decoration: none;
        }
        .friend-links a:hover {
            color: var(--white);
        }

        /* Float Bar */
        .float-bar {
            position: fixed;
            bottom: 40px;
            right: 40px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            z-index: 99;
        }
        .float-btn {
            width: 56px;
            height: 56px;
            background: var(--white);
            border: 2px solid var(--text-main);
            box-shadow: 4px 4px 0 var(--text-main);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-main);
            font-weight: 900;
            cursor: pointer;
            border-radius: 4px;
            transition: var(--transition);
            position: relative;
        }
        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0 var(--primary);
            background: var(--accent);
        }
        .float-btn .tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--text-main);
            color: var(--white);
            padding: 6px 12px;
            font-size: 12px;
            white-space: nowrap;
            border-radius: 2px;
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
        }
        .float-btn:hover .tooltip {
            opacity: 1;
        }
        .float-qr {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: var(--white);
            border: 2px solid var(--text-main);
            padding: 12px;
            box-shadow: 6px 6px 0 var(--text-main);
            display: none;
            text-align: center;
        }
        .float-qr img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 6px;
        }
        .float-qr p {
            font-size: 11px;
            font-weight: 800;
            color: var(--text-main);
        }
        .float-btn-kefu:hover .float-qr {
            display: block;
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .qr-section {
                grid-column: span 2;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 20px;
            }
            .qr-wrap {
                margin: 0;
            }
        }

        @media (max-width: 768px) {
            .hero-title-h1 {
                font-size: 40px;
            }
            .section-title {
                font-size: 30px;
            }
            .menu-toggle {
                display: block;
            }
            nav {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: var(--bg-color);
                border-bottom: var(--border-width) solid var(--text-main);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                display: none;
            }
            nav.active {
                display: flex;
            }
            .nav-links {
                flex-direction: column;
                width: 100%;
                text-align: center;
            }
            .about-grid, .solutions-grid, .price-layout, .match-grid, .faq-grid, .agent-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-grid, .training-grid, .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .flow-timeline {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .qr-section {
                grid-column: span 1;
                flex-direction: column;
                align-items: flex-start;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }