/* CSS Reset & Variables */
        :root {
            --primary: #2D9C75;       /* 核心春绿薄荷色 */
            --primary-light: #E8F7F2; /* 浅薄荷底色 */
            --primary-dark: #1E6B4F;  /* 深绿 */
            --text-dark: #2C3E35;     /* 深绿灰正文色 */
            --text-light: #6C7A72;    /* 辅字灰 */
            --white: #FFFFFF;
            --bg-light: #F4FBF8;      /* 全局亮绿背景 */
            --border-color: #E2EFEA;  /* 边框色 */
            --shadow: 0 10px 30px rgba(45, 156, 117, 0.05);
            --shadow-hover: 0 15px 40px rgba(45, 156, 117, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

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

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

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.02);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

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

        .logo-box img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

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

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

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

        .nav-btn {
            background: var(--primary);
            color: var(--white) !important;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(45, 156, 117, 0.2);
        }

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

        /* Mobile Menu Toggle */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* Hero Section (No Images) */
        .hero-section {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, var(--bg-light) 60%);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary-dark);
            font-weight: 600;
            border-radius: 30px;
            font-size: 0.9rem;
            margin-bottom: 24px;
            border: 1px solid rgba(45, 156, 117, 0.15);
        }

        h1.hero-title {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-light);
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 8px 25px rgba(45, 156, 117, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
        }

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

        .btn-outline:hover {
            background: var(--primary-light);
            transform: translateY(-3px);
        }

        /* Generic Section Styling */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-light);
            font-size: 1.05rem;
        }

        /* Data Indicator Cards */
        .indicator-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .indicator-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .indicator-card .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .indicator-card .label {
            font-size: 0.95rem;
            color: var(--text-light);
            font-weight: 500;
        }

        /* About Us Section */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-dark);
        }

        .about-content p {
            color: var(--text-light);
            margin-bottom: 18px;
        }

        .about-features {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }

        .about-features li {
            position: relative;
            padding-left: 24px;
            font-weight: 500;
            color: var(--text-dark);
        }

        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: 700;
        }

        .about-media-box {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 40px;
            border: 2px dashed rgba(45, 156, 117, 0.2);
            text-align: center;
        }

        .about-media-box h4 {
            font-size: 1.4rem;
            color: var(--primary-dark);
            margin-bottom: 15px;
        }

        .about-media-box p {
            font-size: 0.95rem;
            color: var(--text-light);
        }

        /* AIGC Services & Power Cards */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .service-card::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover::after {
            opacity: 1;
        }

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

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

        /* Tag Cloud & Model Support */
        .model-scroller-box {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            margin-top: 40px;
        }

        .model-scroller-box h4 {
            text-align: center;
            margin-bottom: 24px;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        .tag-cloud span {
            background: var(--bg-light);
            color: var(--primary-dark);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .tag-cloud span:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        /* AIGC One Stop Section */
        .one-stop-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .scene-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .scene-item {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: var(--transition);
        }

        .scene-item:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }

        .scene-num {
            background: var(--primary);
            color: var(--white);
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .scene-text h4 {
            font-weight: 700;
            color: var(--text-dark);
        }

        .scene-text p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

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

        .solution-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }

        .solution-card h3 {
            color: var(--primary-dark);
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

        .solution-list {
            margin-top: 15px;
            padding-left: 18px;
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .solution-list li {
            margin-bottom: 8px;
        }

        /* National Network Map & Standards */
        .network-section {
            background: radial-gradient(circle, var(--primary-light) 0%, var(--bg-light) 80%);
        }

        .network-box {
            background: rgba(255,255,255,0.8);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 40px;
            backdrop-filter: blur(10px);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .network-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-top: 24px;
        }

        .network-item {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            color: var(--primary-dark);
            box-shadow: var(--shadow);
        }

        /* Timeline Workflow */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding: 40px 0;
        }

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

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

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

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

        .timeline-badge {
            position: absolute;
            top: 25px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid var(--white);
            z-index: 10;
        }

        .timeline-item:nth-child(odd) .timeline-badge {
            right: -8px;
        }

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

        .timeline-content {
            background: var(--white);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }

        .timeline-content h4 {
            color: var(--primary-dark);
            margin-bottom: 8px;
            font-size: 1.15rem;
        }

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

        .case-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .case-body {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-body h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .case-body p {
            font-size: 0.9rem;
            color: var(--text-light);
        }

        /* Comparison Table Section */
        .comparison-table-wrapper {
            width: 100%;
            overflow-x: auto;
            background: var(--white);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
        }

        table.comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

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

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

        /* Evaluation Score Badge */
        .score-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--primary-light);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid rgba(45, 156, 117, 0.2);
            margin-bottom: 40px;
        }

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

        .score-desc {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary-dark);
        }

        .score-stars {
            color: #FFB300;
            font-size: 1.5rem;
        }

        /* Form styling */
        .form-card {
            background: var(--white);
            border-radius: 24px;
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow);
            max-width: 600px;
            margin: 0 auto;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-light);
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(45, 156, 117, 0.15);
            background: var(--white);
        }

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

        /* Token Price table */
        .token-compare-box {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }

        /* Training program styling */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .training-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            text-align: center;
        }

        .training-card h4 {
            font-size: 1.25rem;
            color: var(--primary-dark);
            margin-bottom: 12px;
        }

        .training-badge-cert {
            display: inline-block;
            background: #FFF3E0;
            color: #E65100;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        /* Accordion FAQ */
        .faq-container {
            max-width: 850px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px 24px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .faq-header:hover {
            background: var(--primary-light);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-content {
            padding: 0 24px 20px;
            color: var(--text-light);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .faq-item.active .faq-body {
            max-height: 500px;
        }

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

        /* Troubleshooting & Encyclopedia & Articles */
        .info-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .info-card {
            background: var(--white);
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .info-card h3 {
            color: var(--primary-dark);
            margin-bottom: 20px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

        .info-list {
            list-style: none;
        }

        .info-list li {
            margin-bottom: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
        }

        .info-list a {
            color: var(--text-dark);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .trouble-badge {
            background: #FFEBEE;
            color: #C62828;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
        }

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

        .comment-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow);
            position: relative;
        }

        .comment-text {
            font-style: italic;
            color: var(--text-light);
            margin-bottom: 20px;
        }

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

        .user-avatar-placeholder {
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary-dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .user-info h5 {
            font-weight: 700;
            color: var(--text-dark);
        }

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

        /* Floating Sidebar QR/CS */
        .floating-sidebar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-item {
            width: 48px;
            height: 48px;
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .float-item:hover {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.05);
        }

        .float-item svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .float-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 12px;
            box-shadow: var(--shadow-hover);
            display: none;
            width: 200px;
            text-align: center;
        }

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

        .float-item .popover img {
            width: 100%;
            height: auto;
            margin-top: 8px;
        }

        .float-item .popover p {
            font-size: 0.8rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        /* Footer */
        footer {
            background: #1A251C;
            color: #E2EFEA;
            padding: 80px 0 30px;
            border-top: 1px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-logo img {
            height: 44px;
            margin-bottom: 20px;
            
        }

        .footer-logo p {
            color: #98A7A0;
            font-size: 0.9rem;
        }

        .footer-links h4 {
            color: var(--white);
            font-size: 1.1rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

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

        .footer-links ul li {
            margin-bottom: 12px;
        }

        .footer-links ul li a {
            color: #98A7A0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

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

        .footer-qrcode img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #2C3E35;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.85rem;
            color: #98A7A0;
        }

        .friend-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .friend-links a {
            color: #98A7A0;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeInUp 0.8s ease forwards;
        }

        /* Responsive Layouts */
        @media (max-width: 1024px) {
            h1.hero-title {
                font-size: 2.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            .nav-menu {
                position: fixed;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 30px;
                gap: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                transition: var(--transition);
                opacity: 0;
                visibility: hidden;
            }

            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .about-grid, .one-stop-layout, .info-grid {
                grid-template-columns: 1fr;
            }

            .timeline::before {
                left: 20px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 50px;
                padding-right: 0;
                text-align: left !important;
            }

            .timeline-item:nth-child(even) {
                left: 0;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }