:root {
            --gd6iw-primary: #ff6900;
            --gd6iw-primary-dark: #e65f00;
            --gd6iw-accent: #007aff;
            --gd6iw-bg: #ffffff;
            --gd6iw-text: #1d1d1f;
            --gd6iw-text-muted: #86868b;
            --gd6iw-section-bg: #f5f5f7;
            --gd6iw-max-width: 1320px;
            --gd6iw-transition: all 0.4s 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);
            line-height: 1.6;
            background-color: var(--gd6iw-bg);
            overflow-x: hidden;
            word-break: keep-all;
        }

        /* Utility Classes */
        .gd6iw-container {
            max-width: var(--gd6iw-max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* Navigation */
        .gd6iw-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            transition: var(--gd6iw-transition);
        }

        .gd6iw-nav {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            min-width: 0;
        }

        .gd6iw-logo {
            display: flex;
            align-items: center;
            min-width: 0;
        }

        .gd6iw-logo img {
            height: 32px;
            width: auto;
        }

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

        .gd6iw-menu-item a {
            text-decoration: none;
            color: var(--gd6iw-text);
            font-size: 15px;
            font-weight: 500;
            transition: var(--gd6iw-transition);
            white-space: nowrap;
        }

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

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

        .gd6iw-menu-item.active a::after {
            content: '';
            position: absolute;
            bottom: -21px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--gd6iw-primary);
        }

        /* Hero Section */
        .gd6iw-hero {
            padding-top: 160px;
            padding-bottom: 96px;
            background: radial-gradient(circle at 90% 10%, rgba(255, 105, 0, 0.05) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 122, 255, 0.05) 0%, transparent 40%);
            position: relative;
            overflow: hidden;
        }

        .gd6iw-hero-content {
            display: flex;
            flex-wrap: wrap;
            flex-direction: column;
            align-items: center;
            text-align: center;
            min-width: 0;
        }

        .gd6iw-hero-tag {
            background: rgba(255, 105, 0, 0.1);
            color: var(--gd6iw-primary);
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            display: inline-block;
        }

        .gd6iw-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            line-height: 1.1;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 24px;
            max-width: 900px;
            word-break: break-word;
        }

        .gd6iw-hero-subtitle {
            font-size: clamp(1.1rem, 1.5vw + 0.5rem, 1.5rem);
            color: var(--gd6iw-text-muted);
            max-width: 700px;
            margin-bottom: 48px;
            line-height: 1.5;
            word-break: break-word;
        }

        .gd6iw-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            min-width: 0;
        }

        .gd6iw-btn {
            padding: 16px 40px;
            border-radius: 12px;
            font-size: 18px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--gd6iw-transition);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .gd6iw-btn-primary {
            background: var(--gd6iw-primary);
            color: white;
            box-shadow: 0 10px 20px rgba(255, 105, 0, 0.2);
        }

        .gd6iw-btn-primary:hover {
            background: var(--gd6iw-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 105, 0, 0.3);
        }

        .gd6iw-btn-outline {
            background: transparent;
            color: var(--gd6iw-text);
            border: 1px solid rgba(0,0,0,0.1);
        }

        .gd6iw-btn-outline:hover {
            background: rgba(0,0,0,0.05);
            transform: translateY(-2px);
        }

        /* Features Section */
        .gd6iw-section {
            padding: 96px 0;
            min-width: 0;
        }

        .gd6iw-section-header {
            text-align: center;
            margin-bottom: 64px;
            min-width: 0;
        }

        .gd6iw-section-title {
            font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
            font-weight: 700;
            margin-bottom: 16px;
        }

        .gd6iw-ai-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            min-width: 0;
        }

        .gd6iw-ai-card {
            background: var(--gd6iw-section-bg);
            padding: 48px;
            border-radius: 24px;
            transition: var(--gd6iw-transition);
            display: flex;
            flex-direction: column;
            min-width: 0;
            border: 1px solid transparent;
        }

        .gd6iw-ai-card:hover {
            background: #ffffff;
            border-color: rgba(255, 105, 0, 0.2);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            transform: translateY(-8px);
        }

        .gd6iw-ai-card-icon {
            font-size: 40px;
            margin-bottom: 24px;
        }

        .gd6iw-ai-card h3 {
            font-size: 24px;
            margin-bottom: 16px;
            font-weight: 700;
        }

        .gd6iw-ai-card p {
            color: var(--gd6iw-text-muted);
            font-size: 16px;
            line-height: 1.7;
            overflow-wrap: break-word;
        }

        /* Industry Vertical Section */
        .gd6iw-verticals {
            background: var(--gd6iw-text);
            color: white;
            padding: 96px 0;
        }

        .gd6iw-verticals .gd6iw-section-title {
            color: white;
        }

        .gd6iw-v-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
            min-width: 0;
        }

        .gd6iw-v-item {
            border: 1px solid rgba(255,255,255,0.1);
            padding: 32px;
            border-radius: 16px;
            transition: var(--gd6iw-transition);
            min-width: 0;
        }

        .gd6iw-v-item:hover {
            background: rgba(255,255,255,0.05);
            border-color: var(--gd6iw-primary);
        }

        .gd6iw-v-badge {
            color: var(--gd6iw-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            font-size: 12px;
            margin-bottom: 12px;
            display: block;
        }

        .gd6iw-v-item h4 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        .gd6iw-v-item p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
            line-height: 1.6;
            word-break: keep-all;
        }

        /* CTA Section */
        .gd6iw-cta {
            padding: 120px 0;
            text-align: center;
            background: var(--gd6iw-primary);
            color: white;
            min-width: 0;
        }

        .gd6iw-cta h2 {
            font-size: clamp(2rem, 4vw, 3.5rem);
            margin-bottom: 24px;
            font-weight: 800;
        }

        .gd6iw-cta p {
            font-size: 20px;
            margin-bottom: 40px;
            opacity: 0.9;
        }

        .gd6iw-btn-white {
            background: white;
            color: var(--gd6iw-primary);
        }

        .gd6iw-btn-white:hover {
            background: #f5f5f7;
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        /* Footer */
        .gd6iw-footer {
            padding: 64px 0;
            background: #f5f5f7;
            border-top: 1px solid rgba(0,0,0,0.05);
        }

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

        .gd6iw-footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: var(--gd6iw-text);
            min-width: 0;
        }

        .gd6iw-footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            list-style: none;
            min-width: 0;
        }

        .gd6iw-footer-links a {
            text-decoration: none;
            color: var(--gd6iw-text-muted);
            font-size: 14px;
            transition: var(--gd6iw-transition);
        }

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

        .gd6iw-copyright {
            width: 100%;
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid rgba(0,0,0,0.05);
            text-align: center;
            color: var(--gd6iw-text-muted);
            font-size: 12px;
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .gd6iw-menu {
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .gd6iw-nav {
                height: auto;
                padding: 16px 0;
                justify-content: center;
                gap: 16px;
            }
            .gd6iw-menu {
                justify-content: center;
                gap: 12px 16px;
            }
            .gd6iw-hero {
                padding-top: 120px;
            }
            .gd6iw-ai-grid, .gd6iw-v-grid {
                grid-template-columns: 1fr;
            }
            .gd6iw-footer-content {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
        }

        /* Speed Streak Decoration */
        .gd6iw-streak {
            position: absolute;
            width: 200%;
            height: 1px;
            background: linear-gradient(90deg, transparent, var(--gd6iw-primary), transparent);
            transform: rotate(-45deg);
            opacity: 0.1;
            z-index: -1;
            animation: streakMove 3s infinite linear;
        }

        @keyframes streakMove {
            0% { transform: rotate(-45deg) translateX(-100%); }
            100% { transform: rotate(-45deg) translateX(100%); }
        }