:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #FF4D2D;
            --aisitex-secondary: #111827;
            --aisitex-bg: #F8F9FA;
            --aisitex-text: #1F2937;
            --aisitex-card-bg: #FFFFFF;
            --aisitex-border: #E5E7EB;
        }
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            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;
        }
/* Reuse homepage navigation bar style */
/* Page-specific layout styles */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 24px;
        }
/* Hero download layered above-the-fold section */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 80px;
        }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 3rem;
            font-weight: 700;
            color: var(--aisitex-secondary);
            line-height: 1.2;
            margin-bottom: 20px;
        }
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.125rem;
            color: #4B5563;
            margin-bottom: 36px;
        }
.aisitex-download-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
.aisitex-download-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 16px rgba(0,0,0,0.02);
            transition: transform 0.2s ease, border-color 0.2s ease;
        }
.aisitex-download-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-2px);
            border-color: var(--aisitex-primary);
        }
.aisitex-platform-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.125rem;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 4px;
        }
.aisitex-platform-info p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 0.875rem;
            color: #6B7280;
            margin: 0;
        }
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 12px rgba(255, 77, 45, 0.25);
            transition: opacity 0.2s ease;
            white-space: nowrap;
        }
.aisitex-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.9;
        }
.aisitex-hero-image-wrap:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            background: #FFFFFF;
            box-shadow: 0 12px 32px rgba(0,0,0,0.05);
        }
.aisitex-hero-image-wrap img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
        }
/* Partial full-width color band section: Installation Guide */
.aisitex-guide-band:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #111827;
            color: #FFFFFF;
            border-radius: 20px;
            padding: 64px 48px;
            margin-bottom: 80px;
        }
.aisitex-guide-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 600px;
            margin-bottom: 48px;
        }
.aisitex-guide-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
.aisitex-guide-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #9CA3AF;
            font-size: 1.05rem;
        }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 32px;
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2rem;
            font-weight: 700;
            color: var(--aisitex-primary);
            margin-bottom: 16px;
        }
.aisitex-step-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: #FFFFFF;
        }
.aisitex-step-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #9CA3AF;
            font-size: 0.95rem;
        }
/* Support information section */
.aisitex-support-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-support-text h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2rem;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-bottom: 16px;
        }
.aisitex-support-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #4B5563;
            font-size: 1.05rem;
            margin-bottom: 24px;
        }
.aisitex-feature-bullets:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
.aisitex-feature-bullets li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 500;
            color: var(--aisitex-secondary);
        }
.aisitex-feature-bullets svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 20px;
            height: 20px;
            fill: var(--aisitex-primary);
            flex-shrink: 0;
        }
.aisitex-support-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 8px 24px rgba(0,0,0,0.04);
        }
.aisitex-support-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
        }
/* Footer */
@media (max-width: 968px) {.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 32px;
            }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 2.25rem;
            }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-support-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }
.aisitex-guide-band:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                padding: 36px 20px;
            }}

.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;
            }}