:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #0B0E14;
            --aisitex-card-bg: #131822;
            --aisitex-primary: #1677FF;
            --aisitex-secondary: #FF3B30;
            --aisitex-text: #F0F2F5;
            --aisitex-text-muted: #8A94A6;
            --aisitex-border: rgba(255, 255, 255, 0.08);
        }
*: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 *)){
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }
/* 導航欄樣式複用自首頁家族 */
.aisitex-header-cta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-primary);
            color: #fff;
            padding: 10px 20px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            box-shadow: 0 4px 20px rgba(22, 119, 255, 0.3);
            transition: opacity 0.2s;
        }
.aisitex-header-cta:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.9;
        }
/* 主體頁面變體佈局 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding-top: 120px;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            padding-bottom: 80px;
        }
/* 首屏狀態區 */
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 80px;
            padding: 40px 0;
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #F0F2F5 30%, #8A94A6 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            color: var(--aisitex-text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
.aisitex-badge-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(22, 119, 255, 0.1);
            color: var(--aisitex-primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 16px;
            border: 1px solid rgba(22, 119, 255, 0.2);
        }
.aisitex-hero-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }
.aisitex-hero-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
/* 縱向路徑連線章節 */
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px auto;
        }
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--aisitex-text);
        }
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 16px;
        }
.aisitex-pathway-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 32px;
            position: relative;
        }
.aisitex-pathway-step:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 80px 1fr 1fr;
            gap: 32px;
            align-items: center;
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            padding: 32px;
            position: relative;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
            transition: transform 0.3s, border-color 0.3s;
        }
.aisitex-pathway-step:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-4px);
            border-color: rgba(22, 119, 255, 0.3);
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 64px;
            height: 64px;
            background: rgba(22, 119, 255, 0.15);
            color: var(--aisitex-primary);
            font-size: 24px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 16px;
            border: 1px solid rgba(22, 119, 255, 0.3);
        }
.aisitex-step-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--aisitex-text);
        }
.aisitex-step-info p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 15px;
            line-height: 1.6;
        }
.aisitex-step-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-radius: 12px;
            overflow: hidden;
            background: #000;
            border: 1px solid var(--aisitex-border);
            max-height: 220px;
        }
.aisitex-step-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }
/* 場景細節輔助區 */
.aisitex-scenarios-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 80px;
        }
.aisitex-scenario-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            padding: 32px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
        }
.aisitex-scenario-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--aisitex-text);
        }
.aisitex-scenario-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 14px;
            line-height: 1.6;
        }
/* 頁腳樣式複用一致 */
@media (max-width: 900px) {.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 32px;
            }
.aisitex-pathway-step:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 20px;
            }
.aisitex-scenarios-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 36px;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F0F2F5;
}

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

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 5%;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #F0F2F5;
            font-weight: 700;
            font-size: 1.25rem;
        }

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

.aisitex-header .aisitex-nav-container{
            display: flex;
            align-items: center;
            gap: 40px;
        }

.aisitex-header .aisitex-nav-menu{
            display: flex;
            align-items: center;
            gap: 32px;
        }

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #8A94A6;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s ease;
            position: relative;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #F0F2F5;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #1677FF;
        }

.aisitex-header .aisitex-header-cta{
            background: #1677FF;
            color: #fff;
            padding: 8px 20px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: background 0.2s ease, transform 0.2s ease;
        }

.aisitex-header .aisitex-header-cta:hover{
            background: #4096ff;
            transform: translateY(-1px);
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 30px;
            height: 24px;
            position: relative;
            z-index: 1001;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 100%;
            height: 2px;
            background: #F0F2F5;
            position: absolute;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

.aisitex-header .aisitex-menu-toggle span:nth-child(1){ top: 0; }

.aisitex-header .aisitex-menu-toggle span:nth-child(2){ top: 11px; }

.aisitex-header .aisitex-menu-toggle span:nth-child(3){ top: 22px; }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(1){
            transform: translateY(11px) rotate(45deg);
        }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(2){
            opacity: 0;
        }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(3){
            transform: translateY(-11px) rotate(-45deg);
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background: #0B0E14;
                flex-direction: column;
                justify-content: flex-start;
                padding: 40px 24px;
                transition: left 0.3s ease;
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                z-index: 999;
            }

.aisitex-header .aisitex-nav-menu.active{
                left: 0;
            }

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

.aisitex-header .aisitex-header-cta{
                display: none;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F0F2F5;
}

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #F0F2F5;
            font-weight: 700;
            font-size: 1.25rem;
        }

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

.aisitex-footer .aisitex-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

.aisitex-footer{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 40px;
            background: #07090D;
        }

.aisitex-footer .aisitex-footer-grid{
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

.aisitex-footer .aisitex-footer-brand p{
            color: #8A94A6;
            font-size: 0.95rem;
            margin-top: 16px;
            line-height: 1.5;
        }

.aisitex-footer .aisitex-footer-col h4{
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: #F0F2F5;
        }

.aisitex-footer .aisitex-footer-col ul{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.aisitex-footer .aisitex-footer-col a{
            text-decoration: none;
            color: #8A94A6;
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }

.aisitex-footer .aisitex-footer-col a:hover{
            color: #F0F2F5;
        }

.aisitex-footer .aisitex-footer-bottom{
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #8A94A6;
            font-size: 0.85rem;
        }

@media (max-width: 1024px){.aisitex-footer .aisitex-footer-grid{
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }}

@media (max-width: 768px){.aisitex-footer .aisitex-footer-grid{
                grid-template-columns: 1fr;
            }}