/* CSS Reset & Variables */
        :root {
            --fti6a-primary: #ff6600;
            --fti6a-primary-hover: #e55c00;
            --fti6a-dark: #1d1d1f;
            --fti6a-light: #f5f5f7;
            --fti6a-white: #ffffff;
            --fti6a-text-main: #333333;
            --fti6a-text-muted: #666666;
            --fti6a-gap: 8px;
            --fti6a-container-width: 1400px;
        }

        * {
            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(--fti6a-text-main);
            line-height: 1.6;
            overflow-x: hidden;
            background-color: var(--fti6a-white);
        }

        /* Layout Helpers */
        .fti6a-container {
            max-width: var(--fti6a-container-width);
            margin: 0 auto;
            padding: 0 calc(var(--fti6a-gap) * 3);
        }

        .fti6a-flex {
            display: flex;
            flex-wrap: wrap;
        }

        .fti6a-flex-item {
            min-width: 0;
        }

        /* Typography */
        h1, h2, h3 {
            word-break: keep-all;
            white-space: normal;
            line-height: 1.2;
            font-weight: 700;
        }

        p {
            word-break: break-word;
            overflow-wrap: break-word;
            line-height: 1.8;
            font-size: clamp(1rem, 0.5vw + 0.8rem, 1.1rem);
        }

        /* Navigation */
        .fti6a-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .fti6a-nav-inner {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
        }

        .fti6a-logo img {
            height: 32px;
            display: block;
        }

        .fti6a-nav-menu {
            display: flex;
            list-style: none;
            gap: calc(var(--fti6a-gap) * 3);
            flex-wrap: wrap;
        }

        .fti6a-nav-menu a {
            text-decoration: none;
            color: var(--fti6a-dark);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.3s;
        }

        .fti6a-nav-menu a:hover {
            color: var(--fti6a-primary);
        }

        /* Hero Section - Unique Diagonal Layout */
        .fti6a-hero {
            padding-top: 120px;
            position: relative;
            background: linear-gradient(135deg, #fff 0%, #fff5ef 100%);
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }

        .fti6a-hero-content {
            flex: 0 0 50%;
            padding-right: 48px;
            z-index: 2;
        }

        .fti6a-hero-visual {
            flex: 0 0 50%;
            position: relative;
            z-index: 1;
        }

        .fti6a-hero-title {
            font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
            margin-bottom: 24px;
            color: var(--fti6a-dark);
        }

        .fti6a-hero-subtitle {
            font-size: clamp(1.1rem, 2vw + 0.5rem, 1.4rem);
            color: var(--fti6a-text-muted);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .fti6a-hero-image-wrap {
            width: 120%;
            transform: perspective(1000px) rotateY(-10deg) translateX(50px);
            border-radius: 24px;
            box-shadow: 0 50px 100px rgba(0,0,0,0.1);
            overflow: hidden;
        }

        .fti6a-hero-image-wrap img {
            width: 100%;
            display: block;
        }

        .fti6a-btn {
            display: inline-block;
            padding: 16px 40px;
            background: var(--fti6a-primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 18px;
            transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            border: none;
            cursor: pointer;
        }

        .fti6a-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 102, 0, 0.3);
            background: var(--fti6a-primary-hover);
        }

        /* Ecosystem Section */
        .fti6a-ecosystem {
            padding: 96px 0;
            background: var(--fti6a-white);
        }

        .fti6a-section-label {
            color: var(--fti6a-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 700;
            margin-bottom: 16px;
            display: block;
        }

        .fti6a-grid-layout {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 32px;
            margin-top: 48px;
        }

        .fti6a-ecosystem-card {
            background: var(--fti6a-light);
            border-radius: 24px;
            padding: 48px;
            transition: transform 0.4s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .fti6a-ecosystem-card:hover {
            transform: scale(1.02);
        }

        .fti6a-ecosystem-img {
            margin-top: 32px;
            border-radius: 16px;
            width: 100%;
            object-fit: cover;
        }

        /* AI Feature Section - Dark Split */
        .fti6a-ai-feature {
            background: var(--fti6a-dark);
            color: var(--fti6a-white);
            padding: 96px 0;
            border-radius: 40px;
            margin: 0 var(--fti6a-gap);
        }

        .fti6a-ai-grid {
            display: flex;
            align-items: center;
            gap: 64px;
        }

        .fti6a-ai-text {
            flex: 1;
        }

        .fti6a-ai-visual {
            flex: 1;
        }

        .fti6a-ai-visual img {
            width: 100%;
            border-radius: 20px;
            box-shadow: 0 30px 60px rgba(0,0,0,0.5);
        }

        .fti6a-feature-list {
            margin-top: 32px;
            list-style: none;
        }

        .fti6a-feature-item {
            padding: 16px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            display: flex;
            align-items: center;
            gap: 16px;
        }

        /* Security Section */
        .fti6a-security {
            padding: 120px 0;
            text-align: center;
        }

        .fti6a-security-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        .fti6a-security-img {
            max-width: 100%;
            height: auto;
            margin-bottom: 48px;
            border-radius: 32px;
        }

        /* Dynamic Articles Section */
        .fti6a-articles {
            padding: 80px 0;
            background: #fafafa;
        }

        .fti6a-article-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .fti6a-article-card {
            background: white;
            padding: 32px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: all 0.3s;
            border: 1px solid transparent;
        }

        .fti6a-article-card:hover {
            border-color: var(--fti6a-primary);
            transform: translateY(-5px);
        }

        /* Footer */
        .fti6a-footer {
            padding: 80px 0 40px;
            background: var(--fti6a-white);
            border-top: 1px solid #eee;
        }

        .fti6a-footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 48px;
            margin-bottom: 64px;
        }

        .fti6a-footer-brand h4 {
            font-size: 24px;
            color: var(--fti6a-primary);
            margin-bottom: 16px;
        }

        .fti6a-footer-links h5 {
            margin-bottom: 24px;
            font-size: 16px;
            color: var(--fti6a-dark);
        }

        .fti6a-footer-links ul {
            list-style: none;
        }

        .fti6a-footer-links li {
            margin-bottom: 12px;
        }

        .fti6a-footer-links a {
            text-decoration: none;
            color: var(--fti6a-text-muted);
            font-size: 14px;
            transition: color 0.3s;
        }

        .fti6a-footer-links a:hover {
            color: var(--fti6a-primary);
        }

        .fti6a-copyright {
            text-align: center;
            padding-top: 40px;
            border-top: 1px solid #f0f0f0;
            color: #999;
            font-size: 13px;
        }

        /* Mobile Responsiveness */
        @media (max-width: 1024px) {
            .fti6a-hero-content, .fti6a-hero-visual {
                flex: 0 0 100%;
                padding-right: 0;
            }
            .fti6a-hero-content {
                text-align: center;
                margin-bottom: 64px;
            }
            .fti6a-hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .fti6a-hero-image-wrap {
                width: 100%;
                transform: none;
            }
            .fti6a-ai-grid {
                flex-direction: column;
            }
        }

        @media (max-width: 768px) {
            .fti6a-nav-menu {
                display: none; /* In a real site, implement a burger menu */
            }
            .fti6a-nav-inner {
                justify-content: center;
            }
            .fti6a-hero {
                padding-top: 100px;
            }
            .fti6a-grid-layout, .fti6a-article-grid {
                grid-template-columns: 1fr;
            }
        }