:root {
            --gd6iw-primary: #ff6900;
            --gd6iw-primary-dark: #e65f00;
            --gd6iw-secondary: #252b3a;
            --gd6iw-accent: #4a90e2;
            --gd6iw-text-main: #333333;
            --gd6iw-text-muted: #666666;
            --gd6iw-bg-light: #f8f9fa;
            --gd6iw-white: #ffffff;
            --gd6iw-spacing-unit: 8px;
            --gd6iw-container-width: 1400px;
            --gd6iw-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--gd6iw-text-main);
            line-height: 1.8;
            overflow-x: hidden;
            background-color: var(--gd6iw-white);
        }

        /* Typography */
        h1, h2, h3, h4 {
            line-height: 1.3;
            font-weight: 700;
            word-break: keep-all;
            white-space: normal;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.7;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--gd6iw-transition);
        }

        /* Layout */
        .gd6iw-container {
            max-width: var(--gd6iw-container-width);
            margin: 0 auto;
            padding: 0 40px;
            width: 100%;
        }

        @media (max-width: 768px) {
            .gd6iw-container {
                padding: 0 20px;
            }
        }

        /* Navigation */
        .gd6iw-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            height: 80px;
            display: flex;
            align-items: center;
        }

        .gd6iw-nav {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            min-width: 0;
        }

        .gd6iw-logo {
            flex-shrink: 0;
            height: 40px;
            min-width: 0;
        }

        .gd6iw-logo img {
            height: 100%;
            display: block;
        }

        .gd6iw-menu {
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            gap: 24px;
            min-width: 0;
        }

        .gd6iw-menu-item a {
            font-size: 15px;
            font-weight: 500;
            color: var(--gd6iw-text-main);
            padding: 8px 4px;
            position: relative;
        }

        .gd6iw-menu-item a:hover {
            color: var(--gd6iw-primary);
        }

        .gd6iw-menu-item a.active {
            color: var(--gd6iw-primary);
        }

        .gd6iw-menu-item a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gd6iw-primary);
        }

        /* Hero Section */
        .gd6iw-hero {
            position: relative;
            padding-top: 80px;
            min-height: 90vh;
            display: flex;
            align-items: center;
            overflow: hidden;
            background-color: var(--gd6iw-secondary);
        }

        .gd6iw-hero-bg {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.4;
            z-index: 1;
        }

        .gd6iw-hero-content {
            position: relative;
            z-index: 2;
            color: var(--gd6iw-white);
            max-width: 800px;
        }

        .gd6iw-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .gd6iw-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.5rem);
            opacity: 0.9;
            margin-bottom: 40px;
            max-width: 600px;
        }

        .gd6iw-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            cursor: pointer;
            transition: var(--gd6iw-transition);
            border: none;
        }

        .gd6iw-btn-primary {
            background: var(--gd6iw-primary);
            color: var(--gd6iw-white);
            box-shadow: 0 10px 20px rgba(255, 105, 0, 0.3);
        }

        .gd6iw-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 105, 0, 0.4);
            background: var(--gd6iw-primary-dark);
        }

        /* AI Ecosystem Section */
        .gd6iw-section {
            padding: 96px 0;
            position: relative;
        }

        .gd6iw-section-header {
            text-align: center;
            margin-bottom: 64px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .gd6iw-section-tag {
            color: var(--gd6iw-primary);
            text-transform: uppercase;
            font-weight: 700;
            letter-spacing: 2px;
            font-size: 14px;
            display: block;
            margin-bottom: 16px;
        }

        .gd6iw-section-title {
            font-size: clamp(2rem, 3vw, 3rem);
            margin-bottom: 16px;
        }

        .gd6iw-feature-split {
            display: flex;
            flex-wrap: wrap;
            gap: 64px;
            align-items: center;
            min-width: 0;
        }

        .gd6iw-feature-image {
            flex: 1;
            min-width: 300px;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 30px 60px rgba(0,0,0,0.1);
        }

        .gd6iw-feature-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--gd6iw-transition);
        }

        .gd6iw-feature-image:hover img {
            transform: scale(1.05);
        }

        .gd6iw-feature-info {
            flex: 1;
            min-width: 300px;
        }

        .gd6iw-ai-card {
            background: var(--gd6iw-bg-light);
            padding: 32px;
            border-radius: 16px;
            margin-bottom: 24px;
            transition: var(--gd6iw-transition);
            border: 1px solid transparent;
        }

        .gd6iw-ai-card:hover {
            background: var(--gd6iw-white);
            border-color: var(--gd6iw-primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            transform: translateX(10px);
        }

        .gd6iw-ai-card h3 {
            color: var(--gd6iw-primary);
            margin-bottom: 12px;
            font-size: 20px;
        }

        /* Verticals Grid */
        .gd6iw-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .gd6iw-vertical-card {
            background: var(--gd6iw-white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid #eee;
            transition: var(--gd6iw-transition);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .gd6iw-vertical-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .gd6iw-industry-tag {
            background: rgba(255, 105, 0, 0.1);
            color: var(--gd6iw-primary);
            padding: 4px 12px;
            border-radius: 4px;
            font-size: 14px;
            font-weight: 600;
            width: fit-content;
        }

        /* Emotion & Collaboration */
        .gd6iw-alternate-section {
            display: flex;
            flex-wrap: wrap;
            min-width: 0;
            align-items: stretch;
        }

        .gd6iw-alt-content {
            flex: 1;
            min-width: 300px;
            padding: 80px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            background: var(--gd6iw-secondary);
            color: var(--gd6iw-white);
        }

        .gd6iw-alt-image {
            flex: 1;
            min-width: 300px;
            position: relative;
            min-height: 500px;
        }

        .gd6iw-alt-image img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* Footer */
        .gd6iw-footer {
            background: #1a1e26;
            color: #999;
            padding: 80px 0 40px;
        }

        .gd6iw-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .gd6iw-footer-brand h2 {
            color: var(--gd6iw-white);
            margin-bottom: 24px;
            font-size: 24px;
        }

        .gd6iw-footer-links h4 {
            color: var(--gd6iw-white);
            margin-bottom: 24px;
            font-size: 16px;
        }

        .gd6iw-footer-links ul {
            list-style: none;
        }

        .gd6iw-footer-links li {
            margin-bottom: 12px;
        }

        .gd6iw-footer-links a:hover {
            color: var(--gd6iw-primary);
        }

        .gd6iw-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 14px;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .gd6iw-alt-content {
                padding: 40px;
            }
        }

        @media (max-width: 768px) {
            .gd6iw-menu {
                display: none; /* In real project, implement mobile toggle */
            }
            .gd6iw-grid {
                grid-template-columns: 1fr;
            }
            .gd6iw-alt-image {
                min-height: 300px;
            }
            .gd6iw-feature-split {
                flex-direction: column;
            }
        }