/* CSS reset and variable configuration for Doodle Style (多彩涂鸦风) */
        :root {
            --bg-color: #FFFDF5;
            --text-color: #1A1A1A;
            --border-color: #1A1A1A;
            
            /* Doodle Colors */
            --doodle-yellow: #FFE600;
            --doodle-orange: #FF6B00;
            --doodle-blue: #3B82F6;
            --doodle-green: #10B981;
            --doodle-purple: #A855F7;
            --doodle-pink: #FF76A2;
            
            --max-width: 1200px;
            --font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }

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

        body {
            background-color: var(--bg-color);
            color: var(--text-color);
            font-family: var(--font-family);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--text-color);
            text-decoration: none;
            transition: all 0.2s ease;
        }

        /* Doodle Card & Border Style Utility */
        .doodle-card {
            background: #FFFFFF;
            border: 3px solid var(--border-color);
            border-radius: 16px 8px 16px 12px;
            box-shadow: 6px 6px 0px var(--border-color);
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .doodle-card:hover {
            transform: translate(-3px, -3px) rotate(-0.5deg);
            box-shadow: 9px 9px 0px var(--border-color);
        }

        /* Buttons with doodle feedback */
        .btn-doodle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 16px;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            background: var(--doodle-yellow);
            color: var(--text-color);
            box-shadow: 4px 4px 0px var(--border-color);
            cursor: pointer;
            transition: all 0.15s ease;
        }

        .btn-doodle:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--border-color);
        }

        .btn-doodle:active {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--border-color);
        }

        .btn-doodle.orange { background: var(--doodle-orange); color: white; }
        .btn-doodle.blue { background: var(--doodle-blue); color: white; }
        .btn-doodle.green { background: var(--doodle-green); color: white; }
        .btn-doodle.pink { background: var(--doodle-pink); }

        /* Container Alignment */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* Section structure */
        section {
            padding: 80px 0;
            border-bottom: 3px dashed var(--border-color);
        }

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

        .section-title {
            display: inline-block;
            font-size: 32px;
            font-weight: 800;
            border: 3px solid var(--border-color);
            padding: 10px 30px;
            background: #FFFFFF;
            transform: rotate(-1deg);
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
            margin-bottom: 15px;
        }

        .section-subtitle {
            font-size: 16px;
            color: #666;
            margin-top: 10px;
        }

        /* Header Navigation */
        header {
            background: #FFFFFF;
            border-bottom: 3px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 15px 0;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 1px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            font-weight: 700;
            font-size: 14px;
            padding: 6px 12px;
            border-radius: 8px;
            border: 2px solid transparent;
        }

        .nav-links a:hover {
            background: var(--doodle-yellow);
            border-color: var(--border-color);
            transform: rotate(2deg);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: 3px solid var(--border-color);
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 3px;
            background: var(--text-color);
        }

        /* Hero首屏 (不要出现任何图片) */
        .hero-section {
            background: radial-gradient(circle at 10% 20%, rgba(255, 230, 0, 0.15) 0%, rgba(255, 107, 0, 0.08) 90%);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            background: var(--doodle-pink);
            padding: 6px 16px;
            border: 2px solid var(--border-color);
            border-radius: 30px;
            font-weight: 800;
            font-size: 14px;
            transform: rotate(-2deg);
            margin-bottom: 25px;
            box-shadow: 2px 2px 0 var(--border-color);
        }

        /* H1 Title based on prompt keywords */
        .hero-title h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 25px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 35px auto;
            font-weight: 500;
            color: #444;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        /* Model wall widget */
        .model-scroller-wrap {
            border: 3px solid var(--border-color);
            background: #FFF;
            padding: 15px 0;
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
            overflow: hidden;
            white-space: nowrap;
            position: relative;
        }

        .model-scroller-title {
            position: absolute;
            left: 15px;
            top: 50%;
            transform: translateY(-50%) rotate(-1deg);
            z-index: 10;
            background: var(--doodle-blue);
            color: white;
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            border: 2px solid var(--border-color);
            border-radius: 4px;
        }

        .model-scroller {
            display: inline-flex;
            gap: 15px;
            animation: scroll-left 35s linear infinite;
            padding-left: 100px;
        }

        .model-tag {
            background: var(--bg-color);
            border: 2px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 13px;
        }

        @keyframes scroll-left {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* Stats Cards */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: #FFFFFF;
            padding: 25px 20px;
            text-align: center;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            box-shadow: 5px 5px 0 var(--border-color);
        }

        .stat-card:nth-child(1) { background: #E6F4FE; }
        .stat-card:nth-child(2) { background: #FFF9E6; }
        .stat-card:nth-child(3) { background: #EAFDF5; }
        .stat-card:nth-child(4) { background: #FFF0F5; }

        .stat-num {
            font-size: 36px;
            font-weight: 900;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 14px;
            font-weight: 700;
            color: #555;
        }

        /* About Us & Platform Intro */
        .about-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text-content h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .about-text-content p {
            margin-bottom: 20px;
            color: #444;
        }

        .intro-features {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 25px;
        }

        .intro-features li {
            position: relative;
            padding-left: 25px;
            font-weight: 700;
            font-size: 14px;
        }

        .intro-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: var(--doodle-orange);
            font-weight: 900;
            font-size: 18px;
        }

        .about-showcase-box {
            background: #FFFFFF;
            border: 3px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 8px 8px 0 var(--border-color);
            transform: rotate(1deg);
        }

        .about-quote {
            font-size: 18px;
            font-weight: 800;
            line-height: 1.5;
            margin-bottom: 20px;
            border-left: 4px solid var(--doodle-orange);
            padding-left: 15px;
        }

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

        .service-card {
            padding: 30px;
            background: #FFFFFF;
        }

        .service-icon {
            width: 60px;
            height: 60px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            font-size: 28px;
            margin-bottom: 20px;
            background: var(--doodle-yellow);
            box-shadow: 3px 3px 0 var(--border-color);
        }

        .service-card:nth-child(2) .service-icon { background: var(--doodle-blue); color: white; }
        .service-card:nth-child(3) .service-icon { background: var(--doodle-orange); color: white; }
        .service-card:nth-child(4) .service-icon { background: var(--doodle-green); color: white; }
        .service-card:nth-child(5) .service-icon { background: var(--doodle-purple); color: white; }
        .service-card:nth-child(6) .service-icon { background: var(--doodle-pink); }

        .service-card h4 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: #555;
            margin-bottom: 15px;
        }

        /* One-stop Production */
        .production-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .production-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .production-item {
            background: #FFF;
            padding: 15px 20px;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            display: flex;
            gap: 15px;
            align-items: flex-start;
        }

        .production-num {
            background: var(--doodle-pink);
            color: #000;
            border: 2px solid var(--border-color);
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            flex-shrink: 0;
        }

        .production-detail h5 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 4px;
        }

        .production-detail p {
            font-size: 13px;
            color: #666;
        }

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

        .solution-card {
            background: #FFF;
            padding: 20px;
            text-align: center;
        }

        .solution-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
            padding-bottom: 10px;
            border-bottom: 2px dashed #EEE;
        }

        .solution-card ul {
            list-style: none;
            padding: 0;
            font-size: 13px;
            color: #666;
            text-align: left;
        }

        .solution-card ul li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .solution-card ul li::before {
            content: "•";
            color: var(--doodle-purple);
            font-size: 16px;
        }

        .network-wrap {
            margin-top: 40px;
            background: #FFF;
            border: 3px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 6px 6px 0 var(--border-color);
        }

        .network-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .network-title::before {
            content: "📍";
        }

        .network-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .network-tag {
            background: #F0F9FF;
            border: 2px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 700;
        }

        /* Standardized workflow */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .workflow-timeline::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 20px;
            right: 20px;
            height: 4px;
            background: var(--border-color);
            z-index: 1;
        }

        .workflow-step {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .workflow-circle {
            width: 50px;
            height: 50px;
            background: #FFF;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            margin: 15px auto;
            box-shadow: 3px 3px 0 var(--border-color);
        }

        .workflow-step:nth-child(odd) .workflow-circle { background: var(--doodle-yellow); }
        .workflow-step:nth-child(even) .workflow-circle { background: var(--doodle-orange); }

        .workflow-step h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .workflow-step p {
            font-size: 12px;
            color: #666;
            padding: 0 10px;
        }

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

        .case-card {
            background: #FFF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-image-wrap {
            position: relative;
            background: #EEE;
            border-bottom: 3px solid var(--border-color);
        }

        .case-image-wrap img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .case-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: var(--doodle-blue);
            color: white;
            border: 2px solid var(--border-color);
            padding: 4px 10px;
            font-size: 12px;
            font-weight: 700;
            border-radius: 4px;
        }

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

        .case-body h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 13px;
            color: #555;
            margin-bottom: 15px;
        }

        /* Comparison Board */
        .rating-badge-container {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 15px;
            margin-bottom: 30px;
        }

        .rating-card {
            background: var(--doodle-yellow);
            border: 3px solid var(--border-color);
            padding: 10px 25px;
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
            font-weight: 900;
            font-size: 18px;
            transform: rotate(-1deg);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 3px solid var(--border-color);
            border-radius: 16px;
            background: #FFF;
            box-shadow: 6px 6px 0 var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 750px;
        }

        .comparison-table th, .comparison-table td {
            padding: 15px 20px;
            border-bottom: 2px solid #EEE;
            font-size: 14px;
        }

        .comparison-table th {
            background: #FAFAFA;
            font-weight: 800;
            border-bottom: 3px solid var(--border-color);
        }

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

        .comparison-table td strong {
            color: var(--doodle-orange);
        }

        /* Token Comparison Component */
        .token-board {
            background: #FFF;
            border: 3px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 6px 6px 0 var(--border-color);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .token-card {
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            background: #F9FAFB;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .token-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .token-prices {
            margin: 15px 0;
            padding: 10px 0;
            border-top: 1px dashed #DDD;
            border-bottom: 1px dashed #DDD;
        }

        .price-row {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            margin-bottom: 5px;
        }

        .price-val {
            font-weight: 700;
            color: var(--doodle-orange);
        }

        .price-val.original {
            text-decoration: line-through;
            color: #999;
        }

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

        .training-card {
            background: #FFF;
            padding: 25px 15px;
            text-align: center;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
        }

        .training-card:nth-child(1) { background: #FDF4FF; }
        .training-card:nth-child(2) { background: #ECFDF5; }
        .training-card:nth-child(3) { background: #FFF7ED; }
        .training-card:nth-child(4) { background: #EFF6FF; }
        .training-card:nth-child(5) { background: #FFF1F2; }

        .training-badge {
            background: #1A1A1A;
            color: white;
            padding: 4px 8px;
            font-size: 11px;
            font-weight: 700;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 15px;
        }

        .training-card h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .training-card p {
            font-size: 12px;
            color: #666;
        }

        /* AI Encyclopedia */
        .encyclopedia-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .encyclopedia-card {
            background: #FFF;
            padding: 20px;
            border: 3px solid var(--border-color);
            border-radius: 12px;
        }

        .encyclopedia-card h4 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 8px;
            color: var(--doodle-blue);
        }

        .encyclopedia-card p {
            font-size: 13px;
            color: #555;
        }

        /* Industry News / Knowledge Base */
        .news-wrap {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-item {
            background: #FFF;
            padding: 20px;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .news-date {
            width: 80px;
            background: var(--doodle-purple);
            color: white;
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 10px;
            text-align: center;
            font-weight: 900;
            font-size: 14px;
            flex-shrink: 0;
        }

        .news-detail h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 6px;
        }

        .news-detail p {
            font-size: 13px;
            color: #666;
            margin-bottom: 10px;
        }

        .news-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--doodle-orange);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .tag-cloud-card {
            background: #FFF;
            padding: 25px;
        }

        .tag-cloud-card h4 {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 15px;
        }

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

        .tag-cloud span {
            background: #F3F4F6;
            border: 1px solid var(--border-color);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            cursor: pointer;
        }

        .tag-cloud span:hover {
            background: var(--doodle-yellow);
        }

        /* FAQ Folders */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: #FFF;
            border: 3px solid var(--border-color);
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            font-size: 16px;
            font-weight: 800;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #FFF;
            user-select: none;
        }

        .faq-question::after {
            content: "+";
            font-size: 22px;
            font-weight: 900;
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-question::after {
            content: "−";
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background: #FFFDF9;
            border-top: 0 solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            border-top: 2px dashed var(--border-color);
        }

        .faq-answer-inner {
            padding: 20px;
            font-size: 14px;
            color: #555;
            line-height: 1.6;
        }

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

        .review-card {
            background: #FFF;
            padding: 25px;
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

        .review-avatar-fallback {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--doodle-pink);
            border: 2px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 16px;
        }

        .review-card:nth-child(2) .review-avatar-fallback { background: var(--doodle-blue); color: white;}
        .review-card:nth-child(3) .review-avatar-fallback { background: var(--doodle-yellow); }
        .review-card:nth-child(4) .review-avatar-fallback { background: var(--doodle-green); color: white;}
        .review-card:nth-child(5) .review-avatar-fallback { background: var(--doodle-purple); color: white;}
        .review-card:nth-child(6) .review-avatar-fallback { background: var(--doodle-orange); color: white;}

        .review-meta h5 {
            font-size: 15px;
            font-weight: 800;
        }

        .review-meta p {
            font-size: 12px;
            color: #666;
        }

        .review-content {
            font-size: 13.5px;
            color: #444;
            line-height: 1.5;
            position: relative;
        }

        /* Contact & Agency & Smart Form */
        .contact-section-wrap {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
        }

        .form-wrap {
            background: #FFF;
            padding: 35px;
        }

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

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            font-size: 14px;
            border: 3px solid var(--border-color);
            border-radius: 8px;
            background: #FFF;
            font-family: inherit;
        }

        .form-control:focus {
            outline: none;
            background: #FFFDF0;
        }

        .contact-info-card {
            background: #FFFFFF;
            padding: 35px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-channel {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .channel-icon {
            width: 45px;
            height: 45px;
            background: var(--doodle-yellow);
            border: 2px solid var(--border-color);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .contact-channel:nth-child(2) .channel-icon { background: var(--doodle-blue); }
        .contact-channel:nth-child(3) .channel-icon { background: var(--doodle-green); }

        .channel-detail h5 {
            font-size: 14px;
            font-weight: 800;
            color: #777;
        }

        .channel-detail p {
            font-size: 16px;
            font-weight: 800;
        }

        .qr-codes-wrap {
            display: flex;
            gap: 20px;
            margin-top: 15px;
            flex-wrap: wrap;
        }

        .qr-box {
            border: 2px solid var(--border-color);
            border-radius: 8px;
            padding: 10px;
            background: #FFF;
            text-align: center;
            max-width: 130px;
        }

        .qr-box img {
            width: 100%;
            height: auto;
            display: block;
            margin-bottom: 5px;
        }

        .qr-box span {
            font-size: 11px;
            font-weight: 700;
        }

        /* Footer */
        footer {
            background: #1A1A1A;
            color: #FFF;
            padding: 60px 0 30px 0;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            font-size: 22px;
            font-weight: 900;
            color: var(--doodle-yellow);
            margin-bottom: 15px;
        }

        .footer-brand p {
            color: #AAA;
            margin-bottom: 15px;
            font-size: 13px;
        }

        .footer-links h5 {
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 15px;
            color: #FFF;
            border-left: 3px solid var(--doodle-pink);
            padding-left: 10px;
        }

        .footer-links ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #CCC;
        }

        .footer-links a:hover {
            color: var(--doodle-yellow);
            padding-left: 5px;
        }

        .footer-bottom {
            border-top: 1px solid #333;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 12px;
            color: #888;
        }

        .friend-links {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        .friend-links a {
            color: #AAA;
        }

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

        /* Floating Sidebar */
        .floating-sidebar {
            position: fixed;
            bottom: 40px;
            right: 20px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: #FFF;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            cursor: pointer;
            box-shadow: 3px 3px 0 var(--border-color);
            transition: all 0.15s ease;
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0 var(--border-color);
        }

        .float-btn:active {
            transform: translate(1px, 1px);
            box-shadow: 1px 1px 0 var(--border-color);
        }

        .float-btn.kefu-btn {
            background: var(--doodle-yellow);
        }

        .float-btn.top-btn {
            background: #FFF;
        }

        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFF;
            border: 3px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 4px 4px 0 var(--border-color);
            display: none;
            width: 150px;
            text-align: center;
        }

        .float-qr-hover img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }

        .float-qr-hover p {
            font-size: 11px;
            color: #333;
            font-weight: 700;
        }

        .float-btn.kefu-btn:hover .float-qr-hover {
            display: block;
        }

        /* Responsive Layout Optimization */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .services-grid, .case-grid, .reviews-grid, .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(3, 1fr);
                gap: 30px;
            }
            .workflow-timeline::before {
                display: none;
            }
            .news-wrap {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-container {
                position: relative;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFF;
                border: 3px solid var(--border-color);
                border-radius: 12px;
                padding: 20px;
                flex-direction: column;
                box-shadow: 5px 5px 0 var(--border-color);
                z-index: 100;
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title h1 {
                font-size: 28px;
            }
            .about-wrap, .production-wrap, .contact-section-wrap {
                grid-template-columns: 1fr;
            }
            .services-grid, .case-grid, .reviews-grid, .training-grid, .token-grid, .encyclopedia-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }