:root {
            --aisitex-primary: #FF4D2D;
            --aisitex-secondary: #111827;
            --aisitex-bg: #F8F9FA;
            --aisitex-text: #1F2937;
            --aisitex-muted: #6B7280;
            --aisitex-border: #E5E7EB;
            --aisitex-white: #FFFFFF;
            --aisitex-card-bg: #FFFFFF;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        /* Header & Navigation */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 249, 250, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--aisitex-secondary);
            letter-spacing: -0.02em;
        }

        .aisitex-brand-logo {
            height: 28px;
            width: auto;
            margin-right: 0.5rem;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

        .aisitex-nav-link {
            text-decoration: none;
            color: var(--aisitex-text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s ease;
            position: relative;
            padding: 0.5rem 0;
        }

        .aisitex-nav-link:hover,
        .aisitex-nav-link.active {
            color: var(--aisitex-primary);
        }

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--aisitex-primary);
        }

        .aisitex-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

        .aisitex-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--aisitex-secondary);
            margin: 5px 0;
            transition: all 0.3s ease;
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background-color: rgba(0, 0, 0, 0.4);
            z-index: 998;
        }

        /* Hero Section */
        .aisitex-hero {
            padding: 5rem 1.5rem 4rem;
            max-width: 1200px;
            margin: 0 auto;
        }

        .aisitex-hero-split {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
        }

        .aisitex-hero-content {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .aisitex-hero h1 {
            font-size: 3.25rem;
            line-height: 1.1;
            font-weight: 700;
            color: var(--aisitex-secondary);
            letter-spacing: -0.03em;
        }

        .aisitex-hero p {
            font-size: 1.15rem;
            color: var(--aisitex-muted);
            line-height: 1.6;
        }

        .aisitex-hero-actions {
            display: flex;
            gap: 1rem;
            margin-top: 0.5rem;
            flex-wrap: wrap;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            padding: 0.85rem 1.75rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: opacity 0.2s ease, transform 0.1s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(255, 77, 45, 0.25);
        }

        .aisitex-btn-primary:hover {
            opacity: 0.92;
            transform: translateY(-1px);
        }

        .aisitex-btn-secondary {
            background-color: transparent;
            color: var(--aisitex-secondary);
            border: 1px solid var(--aisitex-border);
            padding: 0.85rem 1.75rem;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s ease;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .aisitex-btn-secondary:hover {
            border-color: var(--aisitex-secondary);
            background-color: rgba(17, 24, 39, 0.03);
        }

        .aisitex-hero-visual {
            position: relative;
        }

        .aisitex-hero-visual img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--aisitex-border);
        }

        /* Scene Slice Section */
        .aisitex-section {
            padding: 5rem 0;
            border-top: 1px solid var(--aisitex-border);
        }

        .aisitex-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .aisitex-section-header {
            max-width: 700px;
            margin-bottom: 3.5rem;
        }

        .aisitex-section-header h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--aisitex-secondary);
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
        }

        .aisitex-section-header p {
            font-size: 1.1rem;
            color: var(--aisitex-muted);
        }

        .aisitex-grid-asym {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
            margin-bottom: 4rem;
        }

        .aisitex-grid-asym:nth-child(even) {
            direction: rtl;
        }

        .aisitex-grid-asym:nth-child(even) > * {
            direction: ltr;
        }

        .aisitex-feature-card {
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 4px 16px rgba(0,0,0,0.02);
        }

        .aisitex-feature-card h3 {
            font-size: 1.5rem;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 1rem;
        }

        .aisitex-feature-card p {
            color: var(--aisitex-muted);
            font-size: 1.05rem;
            line-height: 1.6;
        }

        .aisitex-feature-img {
            width: 100%;
            border-radius: 10px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            max-height: 450px;
            object-fit: cover;
        }

        /* Full Width Color Band for Trust Evidence */
        .aisitex-color-band {
            background-color: var(--aisitex-secondary);
            color: var(--aisitex-white);
            padding: 6rem 0;
            margin: 4rem 0;
        }

        .aisitex-color-band h2 {
            color: var(--aisitex-white);
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .aisitex-color-band p {
            color: #9CA3AF;
            font-size: 1.1rem;
        }

        .aisitex-trust-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            margin-top: 3rem;
        }

        .aisitex-trust-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }

        .aisitex-trust-item h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--aisitex-white);
            margin-bottom: 0.5rem;
        }

        .aisitex-trust-item p {
            color: #9CA3AF;
            font-size: 1rem;
        }

        .aisitex-trust-img-wrap img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.3);
            border: 1px solid rgba(255,255,255,0.1);
        }

        /* Platform Navigation Paths Section */
        .aisitex-paths-section {
            padding: 5rem 0;
            background-color: var(--aisitex-white);
            border-top: 1px solid var(--aisitex-border);
        }

        .aisitex-paths-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .aisitex-path-card {
            background: var(--aisitex-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 10px;
            padding: 2rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.2s ease, border-color 0.2s ease;
            text-decoration: none;
        }

        .aisitex-path-card:hover {
            transform: translateY(-3px);
            border-color: var(--aisitex-primary);
        }

        .aisitex-path-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 0.75rem;
        }

        .aisitex-path-card p {
            color: var(--aisitex-muted);
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
            line-height: 1.5;
        }

        .aisitex-path-link {
            color: var(--aisitex-primary);
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        /* Footer */
        .aisitex-footer {
            background-color: var(--aisitex-secondary);
            color: #9CA3AF;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .aisitex-footer-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .aisitex-footer-brand p {
            margin-top: 1rem;
            font-size: 0.95rem;
            line-height: 1.6;
            color: #9CA3AF;
        }

        .aisitex-footer-col h4 {
            color: var(--aisitex-white);
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

        .aisitex-footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .aisitex-footer-col a {
            color: #9CA3AF;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s ease;
        }

        .aisitex-footer-col a:hover {
            color: var(--aisitex-white);
        }

        .aisitex-footer-bottom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1.5rem 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

        /* Responsive */
        @media (max-width: 968px) {
            .aisitex-hero-split,
            .aisitex-grid-asym,
            .aisitex-trust-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }

            .aisitex-grid-asym:nth-child(even) {
                direction: ltr;
            }

            .aisitex-hero h1 {
                font-size: 2.5rem;
            }

            nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: var(--aisitex-white);
                flex-direction: column;
                padding: 1.55rem;
                border-bottom: 1px solid var(--aisitex-border);
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
                align-items: flex-start;
                gap: 1rem;
            }

            nav.active {
                display: flex;
            }

            .aisitex-menu-toggle {
                display: block;
            }

            .aisitex-nav-overlay.active {
                display: block;
            }

            .aisitex-footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .aisitex-footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1F2937;
}

.aisitex-header, .aisitex-header *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 249, 250, 0.95);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid #E5E7EB;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.5rem;
            color: #111827;
            letter-spacing: -0.02em;
        }

.aisitex-header .aisitex-brand-logo{
            height: 28px;
            width: auto;
            margin-right: 0.5rem;
        }

.aisitex-header nav{
            display: flex;
            align-items: center;
            gap: 1.5rem;
        }

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #1F2937;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s ease;
            position: relative;
            padding: 0.5rem 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #FF4D2D;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #FF4D2D;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #111827;
            margin: 5px 0;
            transition: all 0.3s ease;
        }

@media (max-width: 968px){.aisitex-header nav{
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 1.55rem;
                border-bottom: 1px solid #E5E7EB;
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
                align-items: flex-start;
                gap: 1rem;
            }

.aisitex-header nav.active{
                display: flex;
            }

.aisitex-header .aisitex-menu-toggle{
                display: block;
            }

.aisitex-header .aisitex-nav-overlay.active{
                display: block;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1F2937;
}

.aisitex-footer, .aisitex-footer *{
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.5rem;
            color: #111827;
            letter-spacing: -0.02em;
        }

.aisitex-footer .aisitex-brand-logo{
            height: 28px;
            width: auto;
            margin-right: 0.5rem;
        }

.aisitex-footer{
            background-color: #111827;
            color: #9CA3AF;
            padding: 4rem 0 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

.aisitex-footer .aisitex-footer-brand p{
            margin-top: 1rem;
            font-size: 0.95rem;
            line-height: 1.6;
            color: #9CA3AF;
        }

.aisitex-footer .aisitex-footer-col h4{
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
        }

.aisitex-footer .aisitex-footer-col ul{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

.aisitex-footer .aisitex-footer-col a{
            color: #9CA3AF;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s ease;
        }

.aisitex-footer .aisitex-footer-col a:hover{
            color: #FFFFFF;
        }

.aisitex-footer .aisitex-footer-bottom{
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 1.5rem 0;
            border-top: 1px solid rgba(255,255,255,0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
        }

@media (max-width: 968px){.aisitex-footer .aisitex-footer-content{
                grid-template-columns: 1fr;
                gap: 2rem;
            }

.aisitex-footer .aisitex-footer-bottom{
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }}