/* Base Reset & Variables */
        :root {
            --bg-main: #0a0410;
            --bg-card: #140924;
            --bg-card-hover: #1e0e35;
            --primary: #f43f5e;
            --primary-glow: rgba(244, 63, 94, 0.4);
            --secondary: #a855f7;
            --secondary-glow: rgba(168, 85, 247, 0.4);
            --accent: #06b6d4;
            --text-main: #f3f4f6;
            --text-muted: #9ca3af;
            --border-color: rgba(168, 85, 247, 0.2);
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-sans);
            background-color: var(--bg-main);
            color: var(--text-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* Layout Container */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Typography */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }

        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 50px;
            background: linear-gradient(135deg, var(--text-main) 30%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 15px auto 0;
            border-radius: 2px;
        }

        /* Buttons & Links */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            color: #fff;
            box-shadow: 0 4px 15px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(244, 63, 94, 0.6);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* Header Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(10, 4, 16, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

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

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

        .ai-page-logo {
            height: 36px;
            width: auto;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary), #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
        }

        .nav-menu a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.3s;
            font-weight: 500;
        }

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

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-main);
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section (No Images allowed in Hero) */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(244, 63, 94, 0.15) 0%, transparent 50%),
                        var(--bg-main);
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, transparent 60%, var(--bg-main) 100%);
            pointer-events: none;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(244, 63, 94, 0.1);
            border: 1px solid rgba(244, 63, 94, 0.3);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            box-shadow: 0 0 15px rgba(244, 63, 94, 0.1);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #fff 40%, var(--primary) 70%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.15;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-ctas {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            transition: all 0.3s;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .stat-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        /* Section Global Settings */
        section {
            padding: 100px 0;
            position: relative;
        }

        /* About & Intro */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #fff;
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .about-feat-item svg {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .about-feat-item h4 {
            color: #fff;
            margin-bottom: 4px;
            font-size: 1rem;
        }

        .about-feat-item p {
            font-size: 0.85rem;
            margin: 0;
        }

        .about-visual {
            background: linear-gradient(135deg, var(--bg-card) 0%, #1e0b35 100%);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(168, 85, 247, 0.1);
            position: relative;
            overflow: hidden;
        }

        .about-visual::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -20%;
            width: 60%;
            height: 60%;
            background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .tech-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 20px;
        }

        .tech-tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Services的能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary);
            box-shadow: 0 12px 30px rgba(244, 63, 94, 0.15);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(244, 63, 94, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
            font-size: 1.5rem;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #fff;
        }

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

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

        .model-badge {
            font-size: 0.7rem;
            background: rgba(168, 85, 247, 0.15);
            color: var(--secondary);
            padding: 2px 8px;
            border-radius: 4px;
            border: 1px solid rgba(168, 85, 247, 0.2);
        }

        /* 制作流程 & 技术标准 - TimeLine Style */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--border-color);
            transform: translateX(-50%);
        }

        .timeline-item {
            display: flex;
            justify-content: flex-end;
            padding-right: 50%;
            position: relative;
            margin-bottom: 40px;
        }

        .timeline-item:nth-child(even) {
            justify-content: flex-start;
            padding-right: 0;
            padding-left: 50%;
        }

        .timeline-dot {
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            position: absolute;
            right: -8px;
            top: 24px;
            box-shadow: 0 0 10px var(--primary);
            z-index: 2;
        }

        .timeline-item:nth-child(even) .timeline-dot {
            left: -8px;
            right: auto;
        }

        .timeline-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            margin: 0 30px;
            position: relative;
        }

        .timeline-content h3 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

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

        /* Solutions Section */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(20, 9, 36, 0.5) 100%);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            transition: all 0.3s;
        }

        .solution-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
        }

        .solution-tag {
            color: var(--accent);
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 0.1em;
            margin-bottom: 12px;
            display: block;
        }

        .solution-card h3 {
            font-size: 1.4rem;
            color: #fff;
            margin-bottom: 15px;
        }

        .solution-card ul {
            list-style: none;
            margin-bottom: 24px;
        }

        .solution-card ul li {
            position: relative;
            padding-left: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .solution-card ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
        }

        /* Network Section */
        .network-section {
            background: linear-gradient(180deg, var(--bg-main) 0%, #110520 50%, var(--bg-main) 100%);
            text-align: center;
        }

        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 40px;
        }

        .network-card {
            background: rgba(20, 9, 36, 0.6);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
        }

        .network-card h4 {
            color: #fff;
            margin-bottom: 8px;
        }

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

        /* Cases Center */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

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

        .case-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
        }

        .case-image-wrapper {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: #110520;
        }

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

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

        .case-content {
            padding: 24px;
        }

        .case-tag {
            background: rgba(244, 63, 94, 0.1);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-content h3 {
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 10px;
        }

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

        /* Comparison and Pricing Table */
        .compare-box {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 50px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.4);
        }

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

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

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

        th {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }

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

        td {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .highlight-col {
            color: var(--primary);
            font-weight: 600;
        }

        .highlight-row {
            background: rgba(244, 63, 94, 0.03);
        }

        .score-box {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: linear-gradient(90deg, rgba(244, 63, 94, 0.1), rgba(168, 85, 247, 0.1));
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .score-info {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .score-num {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
        }

        .score-label h4 {
            font-size: 1.15rem;
            color: #fff;
            margin-bottom: 4px;
        }

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

        .stars {
            color: #fbbf24;
            font-size: 1.25rem;
        }

        /* Token Price Reference Card Grid */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: rgba(20, 9, 36, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-info h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .token-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .token-price {
            text-align: right;
        }

        .price-val {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
        }

        .price-unit {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* Training Sections */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: linear-gradient(135deg, var(--bg-card) 0%, rgba(20, 9, 36, 0.4) 100%);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--secondary);
            transform: translateY(-4px);
        }

        .training-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 16px;
        }

        .training-card h3 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 10px;
        }

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

        /* FAQ Section */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 16px 0;
        }

        .faq-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 10px 0;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 600;
        }

        .faq-header:focus {
            outline: none;
        }

        .faq-icon {
            font-size: 1.2rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-body p {
            padding: 12px 0;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

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

        .faq-item.active .faq-body {
            max-height: 200px;
        }

        /* AI Dictionary Section */
        .dict-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .dict-card {
            background: rgba(20, 9, 36, 0.4);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
        }

        .dict-card h4 {
            color: var(--accent);
            margin-bottom: 8px;
        }

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

        /* User Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            position: relative;
        }

        .testimonial-card::before {
            content: "“";
            font-size: 5rem;
            color: rgba(244, 63, 94, 0.1);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
        }

        .testi-content {
            position: relative;
            z-index: 1;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .testi-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testi-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testi-info h4 {
            color: #fff;
            font-size: 0.95rem;
        }

        .testi-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Knowledge Base Section */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h4 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1rem;
        }

        .article-card a {
            color: var(--accent);
            text-decoration: none;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card a:hover {
            text-decoration: underline;
        }

        /* Form & Contact Section */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .form-wrapper {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            background: rgba(10, 4, 16, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-main);
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(244, 63, 94, 0.2);
        }

        .contact-info-panel {
            background: linear-gradient(135deg, #18092c 0%, #0e051a 100%);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-details {
            margin-bottom: 30px;
        }

        .contact-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .contact-item-icon {
            color: var(--primary);
            font-size: 1.2rem;
            margin-top: 2px;
        }

        .contact-item-text h4 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 4px;
        }

        .contact-item-text p, .contact-item-text a {
            color: var(--text-muted);
            font-size: 0.85rem;
            text-decoration: none;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            text-align: center;
        }

        .qr-item {
            background: rgba(10, 4, 16, 0.4);
            padding: 15px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
        }

        .qr-item img {
            max-width: 100px;
            height: auto;
            border-radius: 4px;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* Footer */
        footer {
            background: #06020a;
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

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

        .footer-logo-desc h3 {
            color: #fff;
            margin-bottom: 15px;
        }

        .footer-logo-desc p {
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: #fff;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

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

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

        .footer-links ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

        .friend-links a:hover {
            color: var(--accent);
        }

        /* Floating Widgets */
        .floating-widgets {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 48px;
            height: 48px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-main);
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .float-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.5);
            display: none;
            width: 120px;
            text-align: center;
        }

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

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

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 2.5rem;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .contact-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-card);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-btn-group {
                display: none;
            }
            .timeline::before {
                left: 20px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 40px;
                padding-right: 0;
                justify-content: flex-start;
            }
            .timeline-item:nth-child(even) {
                padding-left: 40px;
            }
            .timeline-dot {
                left: 12px !important;
                right: auto !important;
            }
            .timeline-content {
                margin: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }