/* CSS Reset & Variables */
        :root {
            --primary: #FACC15; /* 鲜黄耀眼主色 */
            --primary-hover: #E2B80D;
            --primary-light: #FEF9C3;
            --dark: #1E293B; /* 深灰正文 */
            --dark-heading: #0F172A; /* 标题色 */
            --light: #F8FAFC; /* 浅背景 */
            --white: #FFFFFF;
            --border: #E2E8F0;
            --text-muted: #64748B;
            --accent: #0284C7;
            --success: #22C55E;
            --max-width: 1200px;
        }

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

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

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Utility Classes */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.8rem 2rem;
            border-radius: 0.5rem;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--dark-heading);
            box-shadow: 0 4px 14px rgba(250, 204, 21, 0.4);
        }

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

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

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

        .section {
            padding: 5rem 0;
            border-bottom: 1px solid var(--border);
        }

        .section-title {
            text-align: center;
            margin-bottom: 3.5rem;
        }

        .section-title h2 {
            font-size: 2.25rem;
            color: var(--dark-heading);
            margin-bottom: 1rem;
            position: relative;
            display: inline-block;
        }

        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            margin: 0.75rem auto 0;
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .badge {
            background-color: var(--primary-light);
            color: #854D0E;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 0.75rem;
        }

        /* Header Navigation */
        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);
            transition: all 0.3s ease;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dark-heading);
        }

        .nav-menu {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 550;
            color: var(--dark-heading);
            padding: 0.5rem 0.25rem;
            border-bottom: 2px solid transparent;
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark-heading);
            transition: all 0.3s ease;
        }

        /* Hero Section (No Images Allowed) */
        .hero {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            color: var(--white);
            padding: 7.5rem 0 6rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(250,204,21,0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 10;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-title-h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--white);
        }

        .hero-title-h1 span {
            color: var(--primary);
            text-shadow: 0 0 20px rgba(250,204,21,0.2);
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--border);
            margin-bottom: 2.5rem;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            flex-wrap: wrap;
            margin-bottom: 3.5rem;
        }

        .hero-btn-main {
            background-color: var(--primary);
            color: #0F172A;
            box-shadow: 0 4px 20px rgba(250, 204, 21, 0.4);
        }

        .hero-btn-main:hover {
            background-color: #fef08a;
            transform: translateY(-3px);
        }

        .hero-btn-sub {
            background-color: rgba(255,255,255,0.1);
            color: var(--white);
            border: 1px solid rgba(255,255,255,0.2);
        }

        .hero-btn-sub:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2.5rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            margin-top: -3rem;
            position: relative;
            z-index: 20;
        }

        .stat-item {
            text-align: center;
            border-right: 1px solid var(--border);
        }

        .stat-item:last-child {
            border-right: none;
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark-heading);
            line-height: 1;
            margin-bottom: 0.5rem;
        }

        .stat-num span {
            color: var(--primary-hover);
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 550;
        }

        /* About Us & Platform Intro */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            color: var(--dark-heading);
            margin-bottom: 1.25rem;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            font-size: 1.05rem;
        }

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            margin-top: 2rem;
        }

        .about-feature-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 600;
            color: var(--dark-heading);
        }

        .about-feature-item svg {
            color: var(--primary-hover);
            flex-shrink: 0;
        }

        .about-visual {
            background-color: var(--white);
            border: 2px solid var(--primary);
            border-radius: 1.5rem;
            padding: 3rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.03);
            position: relative;
        }

        .about-visual::before {
            content: '';
            position: absolute;
            top: -10px;
            right: -10px;
            width: 100%;
            height: 100%;
            border: 2px dashed var(--primary);
            border-radius: 1.5rem;
            z-index: -1;
        }

        .visual-title {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            color: var(--dark-heading);
            border-left: 4px solid var(--primary);
            padding-left: 0.75rem;
        }

        /* AIGC Service Models (Tag Cloud style) */
        .models-container {
            text-align: center;
        }

        .models-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 0.75rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 0.6rem 1.2rem;
            border-radius: 0.5rem;
            font-weight: 600;
            color: var(--dark-heading);
            transition: all 0.2s ease;
            cursor: default;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        .model-tag:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .model-tag.highlight {
            background-color: var(--primary-light);
            border-color: var(--primary);
            color: #854D0E;
        }

        /* One-stop AIGC Production */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .production-card {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2.5rem 2rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .production-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: transparent;
            transition: all 0.3s ease;
        }

        .production-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.06);
            border-color: var(--primary);
        }

        .production-card:hover::before {
            background-color: var(--primary);
        }

        .production-icon {
            width: 50px;
            height: 50px;
            background-color: var(--primary-light);
            border-radius: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
            color: #854D0E;
        }

        .production-card h3 {
            font-size: 1.35rem;
            color: var(--dark-heading);
            margin-bottom: 0.75rem;
        }

        .production-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* Industry Solutions */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
        }

        .solution-item {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2.5rem;
            display: flex;
            gap: 1.5rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
        }

        .solution-icon-box {
            flex-shrink: 0;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--dark-heading);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .solution-info h3 {
            font-size: 1.25rem;
            color: var(--dark-heading);
            margin-bottom: 0.75rem;
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 1rem;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .solution-tag {
            background-color: var(--light);
            padding: 0.2rem 0.6rem;
            border-radius: 0.25rem;
            font-size: 0.8rem;
            color: var(--text-muted);
            border: 1px solid var(--border);
        }

        /* National Network & Map */
        .network-layout {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .network-map-simulation {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 1rem;
            padding: 2rem;
            position: relative;
            min-height: 350px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .map-china-sim {
            border: 2px dashed var(--primary);
            padding: 2rem;
            border-radius: 0.5rem;
            text-align: center;
        }

        .map-dot {
            display: inline-block;
            padding: 0.5rem 1rem;
            background-color: var(--primary-light);
            border: 1px solid var(--primary);
            border-radius: 0.5rem;
            font-size: 0.85rem;
            font-weight: 600;
            margin: 0.5rem;
        }

        .network-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.25rem;
        }

        .network-list-item {
            padding: 1rem;
            background-color: var(--white);
            border-radius: 0.5rem;
            border-left: 4px solid var(--primary);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .network-list-item h4 {
            color: var(--dark-heading);
            font-size: 1.05rem;
            margin-bottom: 0.25rem;
        }

        .network-list-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Standardized Workflow & Tech Standard */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 2rem 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background-color: var(--border);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 3rem;
            width: 50%;
            padding: 0 2rem;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-dot {
            position: absolute;
            top: 0;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 4px solid var(--white);
            box-shadow: 0 0 0 4px var(--primary-light);
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-dot {
            right: -12px;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -12px;
        }

        .timeline-content {
            background-color: var(--white);
            padding: 1.5rem;
            border-radius: 0.75rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
            border: 1px solid var(--border);
        }

        .timeline-content h3 {
            font-size: 1.2rem;
            color: var(--dark-heading);
            margin-bottom: 0.5rem;
        }

        .timeline-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* Cases Grid (With specified Images) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .case-card {
            background-color: var(--white);
            border-radius: 1rem;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }

        .case-img-wrapper {
            position: relative;
            background-color: var(--light);
            aspect-ratio: 16/10;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-body {
            padding: 1.5rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark-heading);
            margin-bottom: 0.5rem;
        }

        .case-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .case-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            border-top: 1px solid var(--border);
            padding-top: 0.75rem;
        }

        /* Comparison Section */
        .comparison-container {
            background-color: var(--white);
            border-radius: 1.5rem;
            padding: 3rem;
            box-shadow: 0 15px 40px rgba(0,0,0,0.04);
            border: 1px solid var(--border);
        }

        .rating-box {
            text-align: center;
            margin-bottom: 2.5rem;
            background-color: var(--primary-light);
            padding: 1.5rem;
            border-radius: 1rem;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            position: relative;
            border: 1px dashed var(--primary);
        }

        .rating-stars {
            color: #D97706;
            font-size: 1.5rem;
            margin-bottom: 0.5rem;
        }

        .rating-score {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--dark-heading);
        }

        .rating-score span {
            font-size: 2rem;
            color: #B45309;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

        .comparison-table th, .comparison-table td {
            padding: 1rem 1.25rem;
            border-bottom: 1px solid var(--border);
        }

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

        .comparison-table tr:hover td {
            background-color: rgba(250,204,21,0.05);
        }

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

        .text-success-bold {
            color: var(--success);
            font-weight: bold;
        }

        /* Token Pricing Block */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .price-card {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2.5rem 2rem;
            border: 1px solid var(--border);
            text-align: center;
            position: relative;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(250,204,21,0.15);
            transform: scale(1.03);
        }

        .price-badge {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background-color: var(--primary);
            color: var(--dark-heading);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 0.25rem 0.75rem;
            border-radius: 9999px;
        }

        .price-card h3 {
            font-size: 1.5rem;
            color: var(--dark-heading);
            margin-bottom: 1rem;
        }

        .price-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark-heading);
            margin-bottom: 1.5rem;
        }

        .price-num span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-features {
            list-style: none;
            margin-bottom: 2rem;
            text-align: left;
        }

        .price-features li {
            padding: 0.5rem 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-bottom: 1px solid var(--light);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 1.25rem;
        }

        .training-card {
            background-color: var(--white);
            border-radius: 0.75rem;
            padding: 1.5rem;
            border: 1px solid var(--border);
            text-align: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }

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

        .training-card h3 {
            font-size: 1.1rem;
            color: var(--dark-heading);
            margin-bottom: 0.75rem;
        }

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Agent Program */
        .agent-banner {
            background: linear-gradient(135deg, var(--primary-light) 0%, rgba(250,204,21,0.05) 100%);
            border: 2px solid var(--primary);
            border-radius: 1.5rem;
            padding: 4rem 3rem;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .agent-content h3 {
            font-size: 2rem;
            color: #854D0E;
            margin-bottom: 1rem;
            font-weight: 800;
        }

        .agent-content p {
            color: var(--dark);
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }

        .agent-features {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .agent-features li {
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 600;
        }

        .agent-qr-area {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2rem;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .agent-qr-area img {
            width: 150px;
            height: 150px;
            margin-bottom: 1rem;
        }

        .agent-qr-area p {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark-heading);
        }

        /* User Reviews */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 2rem;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-content {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 1.5rem;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 1rem;
            border-top: 1px solid var(--border);
            padding-top: 1rem;
        }

        .user-avatar-sim {
            width: 45px;
            height: 45px;
            background-color: var(--primary-light);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #854D0E;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--dark-heading);
        }

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

        /* FAQ Section (Accordion) */
        .faq-layout {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 0.5rem;
            margin-bottom: 1rem;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            padding: 1.25rem 1.5rem;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            background-color: var(--light);
        }

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

        .faq-answer-content {
            padding: 0 1.5rem 1.25rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid var(--light);
        }

        .faq-icon-arrow {
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-answer {
            max-height: 250px;
        }

        /* Terminology / Help list */
        .term-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin-top: 3rem;
            border-top: 1px solid var(--border);
            padding-top: 3rem;
        }

        .term-card h4 {
            color: var(--dark-heading);
            margin-bottom: 0.5rem;
            font-size: 1.1rem;
        }

        .term-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* News Section (Knowledge base) */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .news-card {
            background-color: var(--white);
            border: 1px solid var(--border);
            border-radius: 0.75rem;
            padding: 1.5rem;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .news-card h3 {
            font-size: 1.15rem;
            color: var(--dark-heading);
            margin-bottom: 0.75rem;
        }

        .news-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }

        .news-link {
            color: var(--accent);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        /* Contact & Form Section */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 4rem;
        }

        .contact-info-panel {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 3rem;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border);
        }

        .contact-info-panel h3 {
            font-size: 1.5rem;
            color: var(--dark-heading);
            margin-bottom: 1.5rem;
        }

        .contact-details {
            list-style: none;
            margin-bottom: 2rem;
        }

        .contact-details li {
            margin-bottom: 1rem;
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .contact-details svg {
            color: var(--primary-hover);
            flex-shrink: 0;
            margin-top: 0.25rem;
        }

        .contact-qrcode {
            background-color: var(--light);
            border: 1px dashed var(--border);
            border-radius: 0.5rem;
            padding: 1.5rem;
            text-align: center;
            display: inline-block;
        }

        .contact-qrcode img {
            width: 140px;
            height: 140px;
            margin: 0 auto 0.75rem;
        }

        .contact-qrcode p {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--dark-heading);
        }

        .form-container {
            background-color: var(--white);
            border-radius: 1rem;
            padding: 3rem;
            box-shadow: 0 15px 40px rgba(0,0,0,0.04);
            border: 1px solid var(--border);
        }

        .form-container h3 {
            font-size: 1.5rem;
            color: var(--dark-heading);
            margin-bottom: 1.5rem;
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            margin-bottom: 0.5rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--dark-heading);
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border-radius: 0.5rem;
            border: 1px solid var(--border);
            background-color: var(--light);
            font-size: 0.95rem;
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px var(--primary-light);
        }

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

        /* Footer & Links */
        footer {
            background-color: #0F172A;
            color: #94A3B8;
            padding: 4rem 0 2rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 4rem;
            border-bottom: 1px solid #1E293B;
            padding-bottom: 3rem;
            margin-bottom: 2rem;
        }

        .footer-logo-desc h4 {
            color: var(--white);
            font-size: 1.25rem;
            margin-bottom: 1rem;
        }

        .footer-links h4, .footer-contact-info h4 {
            color: var(--white);
            font-size: 1rem;
            margin-bottom: 1.25rem;
        }

        .footer-links-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0.75rem;
        }

        .footer-links-list a {
            color: #94A3B8;
        }

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

        .footer-friendship-links {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #1E293B;
        }

        .footer-friendship-links h5 {
            color: var(--white);
            margin-bottom: 0.75rem;
            font-size: 0.85rem;
        }

        .footer-friendship-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-friendship-links-list a {
            font-size: 0.8rem;
            color: #64748B;
        }

        .footer-friendship-links-list a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1.5rem;
        }

        .ai-page-home-link {
            color: var(--primary);
            font-weight: bold;
        }

        /* Floating Contact Element */
        .floating-widget {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .widget-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--dark-heading);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .widget-btn:hover {
            transform: scale(1.1);
        }

        .widget-btn .tooltip {
            position: absolute;
            right: 60px;
            background-color: var(--dark-heading);
            color: var(--white);
            padding: 0.5rem 1rem;
            border-radius: 0.25rem;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .widget-btn:hover .tooltip {
            opacity: 1;
        }

        .qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--white);
            border: 1px solid var(--border);
            padding: 1rem;
            border-radius: 0.5rem;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
        }

        .widget-btn:hover .qr-popup {
            display: block;
        }

        .qr-popup img {
            width: 120px;
            height: 120px;
        }

        .qr-popup p {
            font-size: 0.75rem;
            margin-top: 0.5rem;
            color: var(--dark-heading);
        }

        /* Responsive Styles */
        @media (max-width: 1024px) {
            .hero-title-h1 { font-size: 2.5rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 2rem; }
            .stat-item { border-right: none; border-bottom: 1px solid var(--border); padding-bottom: 1.5rem; }
            .stat-item:nth-child(even) { border-right: none; }
            .stat-item:last-child { border-bottom: none; padding-bottom: 0; }
            .about-layout, .network-layout, .contact-layout { grid-template-columns: 1fr; gap: 3rem; }
            .production-grid, .cases-grid, .price-grid, .reviews-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
            .training-grid { grid-template-columns: repeat(3, 1fr); }
            .footer-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .agent-banner { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                padding: 1.5rem;
                gap: 1rem;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active { display: flex; }
            .nav-actions { display: none; }
            .hero-title-h1 { font-size: 2rem; }
            .production-grid, .cases-grid, .price-grid, .reviews-grid, .news-grid, .training-grid { grid-template-columns: 1fr; }
            .about-features { grid-template-columns: 1fr; }
            .timeline::before { left: 1rem; }
            .timeline-item { width: 100%; padding: 0 0 0 2.5rem; text-align: left !important; }
            .timeline-dot { left: calc(1rem - 10px) !important; }
            .term-grid { grid-template-columns: 1fr; }
        }