:root {
            --primary: #4F46E5;
            --primary-gradient: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 20%, #FFD200 40%, #00CDAC 60%, #0072FF 80%, #9933FF 100%);
            --rainbow-1: #FF6B6B;
            --rainbow-2: #FF8E53;
            --rainbow-3: #FFD200;
            --rainbow-4: #00CDAC;
            --rainbow-5: #0072FF;
            --rainbow-6: #9933FF;
            --text-main: #0F172A;
            --text-muted: #475569;
            --bg-light: #F8FAFC;
            --border-color: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
            --radius-md: 12px;
            --radius-lg: 20px;
        }

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

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

        /* Common Layout Grid */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-main);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.025em;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* Rainbow Decorative Accent */
        .rainbow-line {
            height: 4px;
            background: var(--primary-gradient);
            width: 80px;
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* Top Nav */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
            align-items: center;
        }

        .nav-link {
            color: var(--text-main);
            text-decoration: none;
            font-weight: 550;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }

        .nav-link:hover {
            color: var(--rainbow-5);
        }

        .nav-btn {
            background: var(--primary-gradient);
            color: white !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: bold;
            font-size: 0.9rem;
            text-shadow: 0 1px 2px rgba(0,0,0,0.1);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            text-decoration: none;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 114, 255, 0.3);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section (No Images Allowed) */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(255, 107, 107, 0.05) 0%, rgba(0, 114, 255, 0.05) 90%);
            padding: 100px 0 80px;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--rainbow-6);
            border: 1px solid rgba(153, 51, 255, 0.3);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 900;
            color: #0F172A;
            margin-bottom: 24px;
            letter-spacing: -0.03em;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .hero-cta {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--primary-gradient);
            color: white;
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            text-decoration: none;
            font-size: 1rem;
            box-shadow: 0 4px 15px rgba(255, 107, 107, 0.2);
            transition: all 0.3s ease;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 107, 0.35);
        }

        .btn-secondary {
            background: white;
            color: var(--text-main);
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            text-decoration: none;
            font-size: 1rem;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:hover {
            background: var(--bg-light);
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }

        /* Metrics */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 60px;
        }

        .metric-card {
            background: white;
            padding: 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            text-align: center;
            border-top: 4px solid var(--rainbow-5);
            transition: transform 0.3s ease;
        }

        .metric-card:nth-child(1) { border-top-color: var(--rainbow-1); }
        .metric-card:nth-child(2) { border-top-color: var(--rainbow-3); }
        .metric-card:nth-child(3) { border-top-color: var(--rainbow-4); }
        .metric-card:nth-child(4) { border-top-color: var(--rainbow-6); }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* About Us */
        .about {
            background: white;
        }

        .about-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .about-desc {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 1rem;
            line-height: 1.8;
        }

        .feature-bullets {
            list-style: none;
        }

        .feature-bullets li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            font-weight: 550;
        }

        .feature-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--rainbow-4);
            font-weight: 800;
            font-size: 1.2rem;
        }

        .about-visual {
            background: var(--bg-light);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 2px dashed var(--border-color);
            position: relative;
        }

        .about-badge-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-badge {
            padding: 8px 14px;
            border-radius: 20px;
            background: white;
            font-size: 0.85rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

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

        .service-card {
            background: white;
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-color);
        }

        .service-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
        }

        /* Tag Cloud for Supported Platforms */
        .platforms-wrap {
            margin-top: 50px;
            background: white;
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .platform-title {
            font-weight: 800;
            text-align: center;
            margin-bottom: 24px;
            font-size: 1.3rem;
        }

        .platform-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .plat-tag {
            padding: 6px 14px;
            background: var(--bg-light);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid var(--border-color);
            transition: all 0.2s ease;
        }

        .plat-tag:hover {
            background: var(--primary-gradient);
            color: white;
            border-color: transparent;
        }

        /* One-stop Creation */
        .onestop {
            background: white;
        }

        .onestop-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .code-box {
            background: #1E293B;
            color: #E2E8F0;
            padding: 30px;
            border-radius: var(--radius-md);
            font-family: "Courier New", Courier, monospace;
            font-size: 0.85rem;
            box-shadow: var(--shadow-lg);
            overflow-x: auto;
            border-left: 5px solid var(--rainbow-4);
        }

        .code-keyword { color: #F472B6; }
        .code-string { color: #34D399; }
        .code-func { color: #60A5FA; }

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

        .sol-card {
            background: white;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .sol-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .sol-banner {
            height: 6px;
            background: var(--primary-gradient);
        }

        .sol-content {
            padding: 24px;
        }

        .sol-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--rainbow-5);
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }

        .sol-title {
            font-size: 1.2rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .sol-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        /* Service Network & Interactive Components */
        .network-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .net-nodes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .node-card {
            background: white;
            padding: 20px;
            border-radius: var(--radius-md);
            border-left: 4px solid var(--rainbow-5);
            box-shadow: var(--shadow-sm);
        }

        .node-name {
            font-weight: 700;
            margin-bottom: 6px;
            font-size: 1rem;
        }

        .node-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Standardized Workflow */
        .workflow {
            background: white;
        }

        .flow-timeline {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 40px;
        }

        .flow-timeline::before {
            content: '';
            position: absolute;
            top: 35px;
            left: 5%;
            right: 5%;
            height: 3px;
            background: var(--border-color);
            z-index: 1;
        }

        .flow-step {
            width: 18%;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .flow-num {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background: white;
            border: 3px solid var(--rainbow-5);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto 20px;
            color: var(--rainbow-5);
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .flow-step:hover .flow-num {
            transform: scale(1.1);
            background: var(--primary-gradient);
            color: white;
            border-color: transparent;
        }

        .flow-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

        .flow-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* Client Showcase - IMAGES ALLOWED HERE */
        .showcase-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .showcase-card {
            background: white;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }

        .showcase-img-box {
            position: relative;
            width: 100%;
            overflow: hidden;
            background: #eaeaea;
        }

        /* Maintain exact aspect ratio using standard CSS */
        .aspect-ratio-4-3 {
            aspect-ratio: 4 / 3;
        }
        .aspect-ratio-square {
            aspect-ratio: 1 / 1;
        }

        .showcase-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .showcase-info {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .showcase-cat {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--rainbow-6);
            margin-bottom: 8px;
        }

        .showcase-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        /* Compare & Evaluation */
        .compare {
            background: white;
        }

        .eval-hero-card {
            background: radial-gradient(circle at top right, rgba(255, 210, 0, 0.1), rgba(0, 114, 255, 0.05));
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--border-color);
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .eval-rating {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .eval-score {
            font-size: 4rem;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1;
        }

        .eval-stars-wrap {
            display: flex;
            flex-direction: column;
        }

        .stars {
            color: #FBBF24;
            font-size: 1.8rem;
            letter-spacing: 2px;
        }

        .stars-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: white;
            font-size: 0.95rem;
        }

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

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

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table td.highlight {
            font-weight: 700;
            color: var(--rainbow-5);
            background: rgba(0, 114, 255, 0.02);
        }

        /* Smart Requirements Matching */
        .matcher-wrap {
            max-width: 800px;
            margin: 0 auto;
            background: white;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .matcher-step {
            margin-bottom: 30px;
        }

        .matcher-step-title {
            font-weight: 700;
            margin-bottom: 15px;
            font-size: 1.1rem;
        }

        .matcher-options {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
        }

        .match-opt {
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: var(--radius-md);
            text-align: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.2s ease;
        }

        .match-opt:hover, .match-opt.active {
            border-color: var(--rainbow-5);
            background: rgba(0, 114, 255, 0.05);
            color: var(--rainbow-5);
        }

        /* Token Price Comparison */
        .token-calc {
            background: white;
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            background: white;
            transition: all 0.3s ease;
        }

        .token-card.best-deal {
            border-color: var(--rainbow-5);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .token-card.best-deal::before {
            content: '最佳性价比';
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--primary-gradient);
            color: white;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 10px;
        }

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

        .token-name {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .token-price-val {
            font-size: 2rem;
            font-weight: 900;
            margin: 20px 0;
            color: var(--text-main);
        }

        .token-price-unit {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .token-features {
            list-style: none;
            margin-bottom: 24px;
            text-align: left;
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .token-features li {
            margin-bottom: 8px;
            position: relative;
            padding-left: 20px;
        }

        .token-features li::before {
            content: '●';
            color: var(--rainbow-4);
            position: absolute;
            left: 0;
        }

        /* Vocational & AI Training */
        .training {
            background: white;
        }

        .course-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .course-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px;
            display: flex;
            gap: 20px;
            transition: all 0.3s ease;
        }

        .course-card:hover {
            box-shadow: var(--shadow-md);
            background: white;
            border-color: var(--rainbow-6);
        }

        .course-icon-box {
            font-size: 2.5rem;
            line-height: 1;
        }

        .course-details h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .course-details p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .course-badge {
            display: inline-block;
            padding: 3px 10px;
            background: rgba(153, 51, 255, 0.1);
            color: var(--rainbow-6);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 4px;
        }

        /* Help Center & FAQ Accordion */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-trigger {
            width: 100%;
            padding: 20px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-trigger::after {
            content: '−';
        }

        .faq-content {
            padding: 0 20px 20px;
            color: var(--text-muted);
            font-size: 0.92rem;
            display: none;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-content {
            display: block;
            border-top-color: var(--border-color);
        }

        /* AI Terminology Encyclopedia */
        .wiki {
            background: white;
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .wiki-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            background: white;
        }

        .wiki-term {
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--rainbow-5);
        }

        .wiki-definition {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        /* Articles & Knowledge Base */
        .knowledge-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--rainbow-2);
        }

        .article-content {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 750;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-title a {
            color: var(--text-main);
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .article-title a:hover {
            color: var(--rainbow-5);
        }

        .article-link {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--rainbow-5);
            text-decoration: none;
            margin-top: auto;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* User Reviews (6 Total) */
        .reviews {
            background: white;
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.3s ease;
        }

        .review-card:hover {
            transform: scale(1.02);
            background: white;
            border-color: var(--rainbow-4);
        }

        .review-text {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .user-info-text {
            line-height: 1.3;
        }

        .user-name {
            font-weight: 750;
            font-size: 0.95rem;
        }

        .user-role {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* Contact Us / Franchise Form & Customer Support Info */
        .contact-wrap {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: start;
        }

        .contact-info-panel {
            background: white;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
        }

        .contact-info-panel h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

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

        .contact-list li {
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.95rem;
        }

        .contact-qr-box {
            display: flex;
            align-items: center;
            gap: 20px;
            border-top: 1px solid var(--border-color);
            padding-top: 24px;
        }

        .contact-qr-box img {
            width: 100px;
            height: 100px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .qr-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .form-panel {
            background: white;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }

        .form-panel h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

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

        .form-label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-light);
            font-size: 0.95rem;
            outline: none;
            transition: all 0.2s ease;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--rainbow-5);
            background: white;
            box-shadow: 0 0 0 3px rgba(0, 114, 255, 0.15);
        }

        .form-textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-submit-btn {
            width: 100%;
            background: var(--primary-gradient);
            color: white;
            border: none;
            padding: 14px;
            font-weight: 800;
            border-radius: var(--radius-md);
            font-size: 1rem;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(255, 107, 107, 0.2);
            transition: all 0.3s ease;
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(255, 107, 107, 0.3);
        }

        /* Franchise / Agency Focus Banner */
        .franchise-banner {
            margin-top: 60px;
            background: linear-gradient(135deg, rgba(153, 51, 255, 0.05) 0%, rgba(255, 107, 107, 0.05) 100%);
            border: 1px solid rgba(153, 51, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
        }

        .fran-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .fran-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            max-width: 650px;
        }

        /* Footer & Friend Links */
        footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 5px solid var(--rainbow-5);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: white;
            font-weight: 750;
            font-size: 1rem;
            margin-bottom: 20px;
        }

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

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

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s ease;
        }

        .footer-links a:hover {
            color: white;
        }

        .friend-links-box {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-title {
            color: white;
            font-weight: 750;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }

        .friend-links-box a {
            color: #64748B;
            text-decoration: none;
            margin-right: 18px;
            display: inline-block;
            margin-bottom: 8px;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

        .friend-links-box a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        .footer-bottom p {
            font-size: 0.85rem;
        }

        /* Floating Sidebar Customer Support */
        .floating-support {
            position: fixed;
            bottom: 40px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 99;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            box-shadow: var(--shadow-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid var(--border-color);
            position: relative;
            transition: all 0.3s ease;
        }

        .float-item:hover {
            transform: scale(1.08);
            border-color: var(--rainbow-5);
        }

        .float-item.wechat-box:hover .float-qr-pop {
            display: block;
        }

        .float-qr-pop {
            display: none;
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 16px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            width: 150px;
        }

        .float-qr-pop img {
            width: 100%;
            height: auto;
            border-radius: 4px;
        }

        .float-qr-pop p {
            font-size: 0.75rem;
            color: var(--text-main);
            margin-top: 8px;
            font-weight: 700;
        }

        /* Utility classes */
        .text-gradient-rainbow {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* Responsive Breakpoints */
        @media (max-width: 1024px) {
            .services-grid, .solutions-grid, .showcase-grid, .token-grid, .wiki-grid, .reviews-grid, .knowledge-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-wrap, .onestop-grid, .network-wrap, .contact-wrap {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .flow-timeline::before {
                display: none;
            }
            .flow-timeline {
                flex-direction: column;
                gap: 30px;
            }
            .flow-step {
                width: 100%;
                display: flex;
                align-items: center;
                text-align: left;
                gap: 20px;
            }
            .flow-num {
                margin: 0;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: white;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 16px;
                box-shadow: var(--shadow-md);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: block;
            }

            .services-grid, .solutions-grid, .showcase-grid, .token-grid, .wiki-grid, .reviews-grid, .knowledge-grid {
                grid-template-columns: 1fr;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .eval-hero-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .matcher-options {
                grid-template-columns: 1fr;
            }

            .course-card {
                flex-direction: column;
                text-align: center;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }