:root {
            --aisitex-primary: #2962FF;
            --aisitex-primary-hover: #1e4bd8;
            --aisitex-secondary: #0F172A;
            --aisitex-bg: #F8FAFC;
            --aisitex-text: #1E293B;
            --aisitex-text-light: #64748B;
            --aisitex-white: #FFFFFF;
            --aisitex-border: #E2E8F0;
            --aisitex-card-bg: #FFFFFF;
            --aisitex-max-width: 1200px;
        }

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

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

        body.is-lock-scroll {
            overflow: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

        /* Header & Navigation */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-nav-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--aisitex-secondary);
        }

        .aisitex-brand-logo {
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

        .aisitex-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }

        .aisitex-nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--aisitex-text-light);
            transition: color 0.2s ease;
        }

        .aisitex-nav-link:hover,
        .aisitex-nav-link.active {
            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: transform 0.2s ease;
        }

        /* Mobile Menu */
        .aisitex-mobile-menu {
            display: none;
            position: fixed;
            top: 73px;
            left: 0;
            width: 100%;
            height: calc(100vh - 73px);
            background-color: var(--aisitex-bg);
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 1.5rem;
            border-top: 1px solid var(--aisitex-border);
            z-index: 999;
        }

        .aisitex-mobile-menu .aisitex-nav-link {
            font-size: 1.25rem;
            font-weight: 600;
        }

        .aisitex-header.is-menu-open .aisitex-mobile-menu {
            display: flex;
        }

        /* Main Container */
        .aisitex-main {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 1.5rem 5rem;
        }

        /* Hero Split Section */
        .aisitex-hero {
            padding: 4rem 0 5rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

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

        .aisitex-chapter-tag {
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--aisitex-primary);
        }

        .aisitex-h1 {
            font-size: 3rem;
            line-height: 1.15;
            font-weight: 800;
            color: var(--aisitex-secondary);
        }

        .aisitex-hero-subtitle {
            font-size: 1.125rem;
            color: var(--aisitex-text-light);
            line-height: 1.6;
        }

        .aisitex-action-group {
            display: flex;
            gap: 1rem;
            margin-top: 0.5rem;
        }

        .aisitex-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 0.875rem 1.75rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.2s ease;
            cursor: pointer;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            box-shadow: 0 4px 14px rgba(41, 98, 255, 0.3);
        }

        .aisitex-btn-primary:hover {
            background-color: var(--aisitex-primary-hover);
            transform: translateY(-1px);
        }

        .aisitex-btn-secondary {
            background-color: var(--aisitex-white);
            color: var(--aisitex-secondary);
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-btn-secondary:hover {
            border-color: var(--aisitex-secondary);
            background-color: #F1F5F9;
        }

        .aisitex-hero-visual {
            background-color: var(--aisitex-secondary);
            border-radius: 16px;
            padding: 1rem;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
            overflow: hidden;
        }

        .aisitex-product-img {
            width: 100%;
            height: auto;
            display: block;
            border-radius: 8px;
        }

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

        .aisitex-section-header {
            max-width: 700px;
            margin-bottom: 3rem;
        }

        .aisitex-h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-top: 0.5rem;
            line-height: 1.25;
        }

        .aisitex-section-summary {
            font-size: 1.05rem;
            color: var(--aisitex-text-light);
            margin-top: 1rem;
        }

        .aisitex-comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
            align-items: center;
        }

        .aisitex-comparison-cards {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        .aisitex-card {
            background-color: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
        }

        .aisitex-card.featured {
            background-color: var(--aisitex-secondary);
            color: var(--aisitex-white);
            border-color: var(--aisitex-secondary);
        }

        .aisitex-card.featured .aisitex-card-desc {
            color: #94A3B8;
        }

        .aisitex-card-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 0.75rem;
        }

        .aisitex-card-desc {
            font-size: 0.95rem;
            color: var(--aisitex-text-light);
            line-height: 1.5;
        }

        .aisitex-visual-container {
            background-color: var(--aisitex-secondary);
            border-radius: 16px;
            padding: 1rem;
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
        }

        /* Feature Grid Section */
        .aisitex-features-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 2rem;
            margin-top: 3rem;
        }

        .aisitex-feature-box {
            background-color: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
        }

        .aisitex-feature-content {
            padding: 2rem;
            flex-grow: 1;
        }

        .aisitex-feature-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-bottom: 0.75rem;
        }

        .aisitex-feature-desc {
            font-size: 0.95rem;
            color: var(--aisitex-text-light);
            line-height: 1.6;
        }

        .aisitex-feature-media {
            background-color: var(--aisitex-secondary);
            padding: 1rem 1rem 0;
            overflow: hidden;
        }

        .aisitex-feature-media img {
            width: 100%;
            height: auto;
            border-top-left-radius: 8px;
            border-top-right-radius: 8px;
            display: block;
        }

        /* Footer */
        .aisitex-footer {
            border-top: 1px solid var(--aisitex-border);
            padding: 3rem 0;
            background-color: var(--aisitex-white);
            margin-top: 4rem;
        }

        .aisitex-footer-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            text-align: center;
        }

        .aisitex-footer-copy {
            font-size: 0.875rem;
            color: var(--aisitex-text-light);
        }

        /* Responsive Design */
        @media (max-width: 968px) {
            .aisitex-hero {
                grid-template-columns: 1fr;
                padding: 2.5rem 0 3rem;
                gap: 2.5rem;
            }

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

            .aisitex-comparison-grid {
                grid-template-columns: 1fr;
            }

            .aisitex-features-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .aisitex-nav {
                display: none;
            }

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

            .aisitex-action-group {
                flex-direction: column;
            }

            .aisitex-btn {
                width: 100%;
            }

            .aisitex-h1 {
                font-size: 2rem;
            }

            .aisitex-h2 {
                font-size: 1.75rem;
            }
        }

.aisitex-header {
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

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

.aisitex-header a{
            text-decoration: none;
            color: inherit;
        }

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E2E8F0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 1rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #0F172A;
        }

.aisitex-header .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-header .aisitex-nav{
            display: flex;
            align-items: center;
            gap: 2rem;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 0.95rem;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #2962FF;
        }

.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: #0F172A;
            margin: 5px 0;
            transition: transform 0.2s ease;
        }

.aisitex-header .aisitex-mobile-menu{
            display: none;
            position: fixed;
            top: 73px;
            left: 0;
            width: 100%;
            height: calc(100vh - 73px);
            background-color: #F8FAFC;
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 1.5rem;
            border-top: 1px solid #E2E8F0;
            z-index: 999;
        }

.aisitex-header .aisitex-mobile-menu .aisitex-nav-link{
            font-size: 1.25rem;
            font-weight: 600;
        }

.aisitex-header.is-menu-open .aisitex-mobile-menu{
            display: flex;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav{
                display: none;
            }

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

.aisitex-footer {
    font-family: Inter, -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.25rem;
            color: #0F172A;
        }

.aisitex-footer .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-footer{
            border-top: 1px solid #E2E8F0;
            padding: 3rem 0;
            background-color: #FFFFFF;
            margin-top: 4rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
            align-items: center;
            text-align: center;
        }

.aisitex-footer .aisitex-footer-copy{
            font-size: 0.875rem;
            color: #64748B;
        }