/* CSS Reset & Variable Definitions */
        :root {
            --primary: #4F46E5;
            --primary-light: #818CF8;
            --secondary: #EC4899;
            --accent: #10B981;
            --dark: #0F172A;
            --gray-dark: #334155;
            --gray-light: #F8FAFC;
            --gray-border: #E2E8F0;
            --text-dark: #1E293B;
            --text-muted: #64748B;
            --hologram-gradient: linear-gradient(135deg, rgba(238,242,255,0.8) 0%, rgba(253,244,245,0.8) 50%, rgba(236,253,245,0.8) 100%);
            --rainbow-border: linear-gradient(90deg, #FF007A, #7928CA, #00DFD8, #FF007A);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            background: #FDFEFE;
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(at 0% 0%, rgba(245, 243, 255, 0.9) 0px, transparent 50%),
                radial-gradient(at 100% 0%, rgba(253, 242, 248, 0.9) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(240, 253, 250, 0.9) 0px, transparent 50%);
            background-attachment: fixed;
        }

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

        section {
            padding: 90px 0;
            position: relative;
        }

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

        .section-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 99px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(79, 70, 229, 0.08);
            border: 1px solid rgba(79, 70, 229, 0.15);
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #1E293B 30%, #4F46E5 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        /* Button & Link Styles */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: 12px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            text-decoration: none;
            border: none;
            gap: 8px;
        }

        .btn-gradient {
            background: linear-gradient(90deg, #7928CA 0%, #FF007A 100%);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(255, 0, 122, 0.25);
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 122, 0.4);
            filter: brightness(1.1);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.8);
            color: var(--dark);
            border: 1px solid var(--gray-border);
        }

        .btn-outline:hover {
            background: #FFFFFF;
            border-color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* Glass Cards */
        .glass-card {
            background: rgba(255, 255, 255, 0.65);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: 20px;
            padding: 30px;
            transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .glass-card:hover {
            transform: translateY(-6px);
            border-color: rgba(79, 70, 229, 0.3);
            box-shadow: 0 20px 40px rgba(79, 70, 229, 0.05);
        }

        /* Header & Navigation */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: all 0.3s ease;
        }

        .header-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .ai-page-logo {
            height: 38px;
            object-fit: contain;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(90deg, #7928CA 0%, #FF007A 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -0.5px;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--gray-dark);
            text-decoration: none;
            transition: color 0.25s ease;
            position: relative;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.25s ease;
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
            padding: 8px;
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--dark);
            transition: 0.3s;
        }

        /* Hero Section (No Image, Radiant Holographic style background using CSS only) */
        .hero {
            padding: 160px 0 100px 0;
            text-align: center;
            position: relative;
            background: radial-gradient(circle at 50% 10%, rgba(236, 72, 153, 0.08) 0%, rgba(79, 70, 229, 0.05) 30%, transparent 70%);
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: 99px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-dark);
            margin-bottom: 24px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .hero-badge .tag {
            background: linear-gradient(90deg, #7928CA 0%, #FF007A 100%);
            color: #fff;
            padding: 2px 8px;
            border-radius: 99px;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
        }

        .hero-h1 {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            color: var(--dark);
            max-width: 800px;
            margin: 0 auto 24px auto;
            background: linear-gradient(135deg, #111827 0%, #312E81 50%, #4338CA 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto 40px auto;
        }

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

        /* Data Counters (Stats Panel) */
        .stats-panel {
            margin-top: 60px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            text-align: center;
            padding: 24px;
            border-radius: 16px;
            background: rgba(255, 255, 255, 0.4);
            border: 1px solid rgba(255,255,255,0.6);
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            background: linear-gradient(45deg, #4F46E5, #EC4899);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* Platform Intro (About) */
        .about {
            background: rgba(248, 250, 252, 0.6);
        }

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

        .about-text h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--dark);
        }

        .about-text p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px;
            border-radius: 10px;
            background: #fff;
            border: 1px solid var(--gray-border);
            font-size: 14px;
            font-weight: 500;
        }

        .about-feat-item svg {
            color: var(--accent);
            flex-shrink: 0;
        }

        .about-box {
            position: relative;
            padding: 40px;
            border-radius: 24px;
            background: linear-gradient(135deg, rgba(121, 40, 202, 0.05) 0%, rgba(255, 0, 122, 0.05) 100%);
            border: 1.5px dashed rgba(79, 70, 229, 0.2);
        }

        .about-box-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .about-box-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .about-box-list li {
            font-size: 14px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .about-box-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

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

        .service-card {
            border: 1px solid rgba(226, 232, 240, 0.8);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tag {
            font-size: 11px;
            background: var(--gray-light);
            color: var(--text-muted);
            padding: 4px 10px;
            border-radius: 6px;
            border: 1px solid var(--gray-border);
        }

        /* Tag Cloud - Supported AI Platforms */
        .platform-tag-cloud {
            margin-top: 40px;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--gray-border);
            text-align: center;
        }

        .platform-tag-cloud h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .tag-cloud-wrapper {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .cloud-tag {
            font-size: 13px;
            padding: 6px 14px;
            background: #ffffff;
            border: 1px solid var(--gray-border);
            border-radius: 99px;
            color: var(--gray-dark);
            transition: all 0.2s;
            cursor: default;
        }

        .cloud-tag:hover {
            background: var(--primary);
            color: #ffffff;
            border-color: var(--primary);
            transform: scale(1.05);
        }

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

        .solution-card {
            border: 1px solid var(--gray-border);
            background: #ffffff;
            padding: 24px;
            border-radius: 16px;
            transition: all 0.3s ease;
        }

        .solution-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
            box-shadow: 0 10px 20px rgba(236, 72, 153, 0.05);
        }

        .solution-num {
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 10px;
        }

        .solution-card h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

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

        /* Nationwide Network & Timeline */
        .network-section {
            background: rgba(241, 245, 249, 0.4);
        }

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

        .timeline {
            position: relative;
            border-left: 2px solid var(--gray-border);
            padding-left: 24px;
            margin-left: 10px;
        }

        .timeline-item {
            position: relative;
            margin-bottom: 30px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -31px;
            top: 4px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            border: 2px solid #fff;
        }

        .timeline-time {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
        }

        .timeline-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin: 4px 0;
        }

        .timeline-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Technical Standards */
        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .standard-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            padding: 30px;
            border-radius: 16px;
        }

        .standard-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* Case Center (With Specified Images) */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            position: relative;
            background: #F1F5F9;
        }

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

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .case-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .case-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* Comparison Board */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--gray-border);
        }

        .comparison-table th {
            background: var(--gray-light);
            font-weight: 700;
            color: var(--dark);
        }

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

        .comparison-table td .highlight {
            font-weight: 600;
            color: var(--primary);
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #FFFBEB;
            border: 1px solid #FDE68A;
            color: #D97706;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
        }

        .rating-badge {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
        }

        /* Token Comparison Block */
        .token-board {
            margin-top: 40px;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .token-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            position: relative;
        }

        .token-card.featured {
            border: 2px solid var(--primary-light);
            box-shadow: 0 10px 25px rgba(79, 70, 229, 0.08);
        }

        .token-tag {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: white;
            font-size: 10px;
            padding: 2px 8px;
            border-radius: 99px;
            font-weight: 600;
        }

        .token-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .token-price {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            margin: 12px 0;
        }

        .token-features {
            list-style: none;
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        /* Education & Training Section */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(79, 70, 229, 0.05);
            transform: translateY(-3px);
        }

        .training-icon {
            font-size: 28px;
            margin-bottom: 12px;
        }

        .training-card h3 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .training-card p {
            font-size: 11px;
            color: var(--text-muted);
        }

        .training-banner {
            margin-top: 30px;
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.04) 0%, rgba(236, 72, 153, 0.04) 100%);
            border: 1px solid rgba(79, 70, 229, 0.1);
            border-radius: 16px;
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .training-banner-text {
            font-size: 14px;
            color: var(--text-dark);
        }

        .training-banner-text strong {
            color: var(--primary);
        }

        /* FAQ (Accordion Panel) */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color 0.25s;
        }

        .faq-item.active {
            border-color: var(--primary-light);
        }

        .faq-header {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            cursor: pointer;
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
        }

        .faq-icon-toggle {
            font-size: 16px;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-icon-toggle {
            transform: rotate(45deg);
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            background: var(--gray-light);
        }

        .faq-content {
            padding: 20px 24px;
            font-size: 13px;
            line-height: 1.7;
            color: var(--text-muted);
            border-top: 1px solid var(--gray-border);
        }

        /* Trouble Shooting & Wiki */
        .wiki-section {
            background: rgba(248, 250, 252, 0.6);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .wiki-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 30px;
        }

        .wiki-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 12px;
        }

        .wiki-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .wiki-list li h4 {
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

        .wiki-list li p {
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .comment-card {
            background: rgba(255,255,255,0.7);
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 24px;
        }

        .comment-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .comment-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #7928CA, #FF007A);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .comment-user-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--dark);
        }

        .comment-user-info span {
            font-size: 11px;
            color: var(--text-muted);
        }

        .comment-rating {
            color: #F59E0B;
            font-size: 12px;
            margin-bottom: 12px;
        }

        .comment-text {
            font-size: 13px;
            color: var(--text-dark);
            line-height: 1.7;
        }

        /* Form & Contact (Demand matching + Agency join) */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .matching-form {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 14px;
            background: var(--gray-light);
            border: 1px solid var(--gray-border);
            border-radius: 8px;
            color: var(--dark);
            outline: none;
            transition: all 0.25s;
        }

        .form-control:focus {
            border-color: var(--primary-light);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.15);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .contact-card-box {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 24px;
            display: flex;
            gap: 16px;
        }

        .contact-icon {
            font-size: 24px;
            color: var(--primary);
            flex-shrink: 0;
        }

        .contact-det h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 6px;
        }

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

        .contact-det a {
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .social-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .social-card {
            background: rgba(255,255,255,0.7);
            border: 1px solid var(--gray-border);
            border-radius: 12px;
            padding: 16px;
            text-align: center;
        }

        .social-card img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            margin: 0 auto 10px auto;
            display: block;
            border-radius: 8px;
            border: 1px solid var(--gray-border);
        }

        .social-card span {
            font-size: 12px;
            font-weight: 600;
            color: var(--text-dark);
            display: block;
        }

        .social-card p {
            font-size: 10px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* Knowledge & Articles Section */
        .knowledge-section {
            background: rgba(248, 250, 252, 0.5);
        }

        .article-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .article-card {
            background: #fff;
            border: 1px solid var(--gray-border);
            border-radius: 16px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .article-card:hover {
            border-color: var(--primary-light);
            box-shadow: 0 10px 20px rgba(0,0,0,0.02);
        }

        .article-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

        .article-tag {
            font-size: 11px;
            background: rgba(236, 72, 153, 0.08);
            color: var(--secondary);
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 600;
        }

        .article-time {
            font-size: 11px;
            color: var(--text-muted);
        }

        .article-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            text-decoration: none;
            line-height: 1.5;
        }

        .article-title:hover {
            color: var(--primary);
        }

        .article-desc {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .article-link {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            align-self: flex-start;
        }

        /* Footer & Friendly Links */
        .footer {
            background: var(--dark);
            color: #94A3B8;
            padding: 80px 0 30px 0;
            font-size: 13px;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h3 {
            font-size: 20px;
            color: #fff;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-title {
            font-size: 14px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.25s;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-bottom {
            padding-top: 30px;
            border-top: 1px solid #1E293B;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friendly-links-section {
            background: #0B0F19;
            padding: 20px 0;
            border-top: 1px solid #1E293B;
            font-size: 12px;
            color: #64748B;
        }

        .friendly-links-container {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
        }

        .friendly-links-container span {
            font-weight: 700;
            color: #94A3B8;
        }

        .friendly-links-container a {
            color: #64748B;
            text-decoration: none;
            transition: color 0.25s;
        }

        .friendly-links-container a:hover {
            color: #FFF;
        }

        .ai-page-home-link {
            color: inherit;
            text-decoration: none;
        }
        
        .ai-page-home-link:hover {
            color: #fff;
        }

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

        .float-item {
            width: 48px;
            height: 48px;
            background: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 6px 20px rgba(0,0,0,0.1);
            cursor: pointer;
            border: 1px solid var(--gray-border);
            position: relative;
            transition: all 0.3s;
        }

        .float-item:hover {
            transform: translateY(-3px);
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .float-item-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--gray-border);
            padding: 16px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-item-pop img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            display: block;
            margin: 0 auto 8px auto;
        }

        .float-item-pop span {
            font-size: 11px;
            color: var(--text-dark);
            font-weight: 600;
        }

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

        /* Responsive Media Queries */
        @media (max-width: 1024px) {
            .stats-panel {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .contact-grid, .wiki-grid {
                grid-template-columns: 1fr;
            }
            .standards-grid, .case-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 30px 24px;
                border-bottom: 1px solid var(--gray-border);
                display: none;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-h1 {
                font-size: 32px;
            }
            .hero-p {
                font-size: 15px;
            }
            .token-board {
                grid-template-columns: 1fr;
            }
            .standards-grid, .case-grid, .comments-grid, .article-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }