:root {
            --aisitex-bg: #F8F9FA;
            --aisitex-surface: #FFFFFF;
            --aisitex-text-main: #2D3748;
            --aisitex-text-muted: #718096;
            --aisitex-primary: #E53E3E;
            --aisitex-primary-hover: #C53030;
            --aisitex-border: #E2E8F0;
            --aisitex-border-subtle: #EDF2F7;
            --aisitex-max-width: 1200px;
        }

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

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

        /* 頂部導航組件 */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 249, 250, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-nav-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--aisitex-text-main);
            font-weight: 700;
            font-size: 1.15rem;
        }

        .aisitex-brand img {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            object-fit: contain;
        }

        .aisitex-nav-menu {
            display: flex;
            align-items: center;
            gap: 36px;
        }

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

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

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -22px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: var(--aisitex-primary);
        }

        .aisitex-nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .aisitex-btn-download {
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: background-color 0.2s, transform 0.2s;
        }

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

        .aisitex-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

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

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 98;
        }

        /* 首屏 Hero 區域 */
        .aisitex-hero {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 80px 24px 60px;
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 60px;
            align-items: center;
        }

        .aisitex-hero-content {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .aisitex-hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--aisitex-primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .aisitex-hero-title {
            font-size: 3rem;
            font-weight: 700;
            line-height: 1.15;
            color: var(--aisitex-text-main);
        }

        .aisitex-hero-subtitle {
            font-size: 1.1rem;
            color: var(--aisitex-text-muted);
            line-height: 1.7;
        }

        .aisitex-hero-buttons {
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s;
            box-shadow: 0 4px 12px rgba(229, 62, 62, 0.2);
        }

        .aisitex-btn-primary:hover {
            background-color: var(--aisitex-primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(229, 62, 62, 0.3);
        }

        .aisitex-btn-secondary {
            background-color: transparent;
            color: var(--aisitex-text-main);
            border: 1px solid var(--aisitex-border);
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.2s;
        }

        .aisitex-btn-secondary:hover {
            border-color: var(--aisitex-text-main);
            background-color: rgba(0, 0, 0, 0.02);
        }

        .aisitex-hero-visual {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--aisitex-border);
            background: #111;
        }

        .aisitex-hero-visual img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transform: scale(1.01);
            transition: transform 0.5s ease;
        }

        .aisitex-hero-visual:hover img {
            transform: scale(1.04);
        }

        /* 正文色帶交替章節 */
        .aisitex-section {
            padding: 100px 0;
            border-top: 1px solid var(--aisitex-border-subtle);
        }

        .aisitex-section.bg-tint {
            background-color: var(--aisitex-surface);
            box-shadow: inset 0 1px 0 var(--aisitex-border-subtle), inset 0 -1px 0 var(--aisitex-border-subtle);
        }

        .aisitex-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .aisitex-grid-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

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

        .aisitex-grid-split.reverse .aisitex-content-side {
            order: 2;
        }

        .aisitex-grid-split.reverse .aisitex-media-side {
            order: 1;
        }

        .aisitex-section-header {
            margin-bottom: 24px;
        }

        .aisitex-section-kicker {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--aisitex-primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            display: block;
        }

        .aisitex-section-title {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--aisitex-text-main);
            line-height: 1.25;
            margin-bottom: 16px;
        }

        .aisitex-section-desc {
            font-size: 1.05rem;
            color: var(--aisitex-text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

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

        .aisitex-feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1rem;
            color: var(--aisitex-text-main);
            font-weight: 500;
        }

        .aisitex-feature-item::before {
            content: '';
            width: 6px;
            height: 6px;
            background-color: var(--aisitex-primary);
            border-radius: 50%;
        }

        .aisitex-media-box {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.06);
            border: 1px solid var(--aisitex-border);
            background: #111;
        }

        .aisitex-media-box img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 相關子頁面導航區 */
        .aisitex-pathways {
            padding: 80px 0 100px;
        }

        .aisitex-pathways-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 50px;
        }

        .aisitex-pathways-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .aisitex-pathways-desc {
            color: var(--aisitex-text-muted);
            font-size: 1.05rem;
        }

        .aisitex-path-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .aisitex-path-card {
            background: var(--aisitex-surface);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            text-decoration: none;
            color: inherit;
            transition: all 0.25s ease;
        }

        .aisitex-path-card:hover {
            border-color: var(--aisitex-primary);
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
        }

        .aisitex-path-card h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--aisitex-text-main);
        }

        .aisitex-path-card p {
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .aisitex-path-link {
            font-weight: 600;
            color: var(--aisitex-primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 頁腳 */
        .aisitex-footer {
            background-color: var(--aisitex-surface);
            border-top: 1px solid var(--aisitex-border);
            padding: 60px 0 40px;
            font-size: 0.9rem;
            color: var(--aisitex-text-muted);
        }

        .aisitex-footer-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .aisitex-footer-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 30px;
        }

        .aisitex-footer-brand {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 320px;
        }

        .aisitex-footer-brand .aisitex-brand {
            font-size: 1.2rem;
        }

        .aisitex-footer-links {
            display: flex;
            gap: 60px;
            flex-wrap: wrap;
        }

        .aisitex-footer-col {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .aisitex-footer-col h4 {
            color: var(--aisitex-text-main);
            font-size: 0.95rem;
            font-weight: 600;
        }

        .aisitex-footer-col a {
            color: var(--aisitex-text-muted);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .aisitex-footer-bottom {
            border-top: 1px solid var(--aisitex-border-subtle);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 響應式設計 */
        @media (max-width: 968px) {
            .aisitex-hero {
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 40px 24px;
            }

            .aisitex-hero-title {
                font-size: 2.35rem;
            }

            .aisitex-grid-split,
            .aisitex-grid-split.reverse {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .aisitex-grid-split.reverse .aisitex-content-side,
            .aisitex-grid-split.reverse .aisitex-media-side {
                order: initial;
            }

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

            .aisitex-nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--aisitex-surface);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid var(--aisitex-border);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                pointer-events: none;
            }

            .aisitex-nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .aisitex-nav-link.active::after {
                display: none;
            }

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

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

            .aisitex-nav-actions .aisitex-btn-download {
                display: none;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #2D3748;
}

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(248, 249, 250, 0.92);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E2E8F0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #2D3748;
            font-weight: 700;
            font-size: 1.15rem;
        }

.aisitex-header .aisitex-brand img{
            width: 32px;
            height: 32px;
            border-radius: 8px;
            object-fit: contain;
        }

.aisitex-header .aisitex-nav-menu{
            display: flex;
            align-items: center;
            gap: 36px;
        }

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #718096;
            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: #E53E3E;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -22px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #E53E3E;
        }

.aisitex-header .aisitex-nav-actions{
            display: flex;
            align-items: center;
            gap: 16px;
        }

.aisitex-header .aisitex-btn-download{
            background-color: #E53E3E;
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            transition: background-color 0.2s, transform 0.2s;
        }

.aisitex-header .aisitex-btn-download:hover{
            background-color: #C53030;
            transform: translateY(-1px);
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #2D3748;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 20px;
                border-bottom: 1px solid #E2E8F0;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                pointer-events: none;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

.aisitex-header .aisitex-nav-link.active::after{
                display: none;
            }

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

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

.aisitex-header .aisitex-nav-actions .aisitex-btn-download{
                display: none;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #2D3748;
}

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #2D3748;
            font-weight: 700;
            font-size: 1.15rem;
        }

.aisitex-footer .aisitex-brand img{
            width: 32px;
            height: 32px;
            border-radius: 8px;
            object-fit: contain;
        }

.aisitex-footer{
            background-color: #FFFFFF;
            border-top: 1px solid #E2E8F0;
            padding: 60px 0 40px;
            font-size: 0.9rem;
            color: #718096;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-top{
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 30px;
        }

.aisitex-footer .aisitex-footer-brand{
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 320px;
        }

.aisitex-footer .aisitex-footer-brand .aisitex-brand{
            font-size: 1.2rem;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            gap: 60px;
            flex-wrap: wrap;
        }

.aisitex-footer .aisitex-footer-col{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.aisitex-footer .aisitex-footer-col h4{
            color: #2D3748;
            font-size: 0.95rem;
            font-weight: 600;
        }

.aisitex-footer .aisitex-footer-col a{
            color: #718096;
            text-decoration: none;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-col a:hover{
            color: #E53E3E;
        }

.aisitex-footer .aisitex-footer-bottom{
            border-top: 1px solid #EDF2F7;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }