:root {
            --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);
            --aisitex-glow: rgba(22, 119, 255, 0.15);
        }

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

        body {
            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;
        }

        /* 頂部導航組件 */
        .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 var(--aisitex-border);
            z-index: 1000;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 5%;
        }

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

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

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

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

        .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-text);
        }

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--aisitex-primary);
        }

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

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

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

        .aisitex-menu-toggle span:nth-child(1) { top: 0; }
        .aisitex-menu-toggle span:nth-child(2) { top: 11px; }
        .aisitex-menu-toggle span:nth-child(3) { top: 22px; }

        .aisitex-menu-toggle.active span:nth-child(1) {
            transform: translateY(11px) rotate(45deg);
        }
        .aisitex-menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .aisitex-menu-toggle.active span:nth-child(3) {
            transform: translateY(-11px) rotate(-45deg);
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 998;
        }

        /* 基礎版心 */
        .aisitex-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 主體內容樣式 */
        main {
            padding-top: 72px;
        }

        /* 首屏區塊樣式 */
        .aisitex-hero {
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .aisitex-hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

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

        .aisitex-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(22, 119, 255, 0.1);
            border: 1px solid rgba(22, 119, 255, 0.2);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--aisitex-primary);
            width: fit-content;
            font-weight: 500;
        }

        .aisitex-hero h1 {
            font-size: 3.2rem;
            line-height: 1.15;
            font-weight: 700;
            letter-spacing: -0.02em;
        }

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

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

        .aisitex-btn-primary {
            background: var(--aisitex-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 20px rgba(22, 119, 255, 0.3);
        }

        .aisitex-btn-primary:hover {
            background: #4096ff;
            transform: translateY(-2px);
        }

        .aisitex-btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--aisitex-text);
            padding: 14px 28px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--aisitex-border);
            transition: all 0.2s ease;
        }

        .aisitex-btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }

        .aisitex-hero-visual {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            background: var(--aisitex-card-bg);
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .aisitex-hero-visual img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* 錯位章節與路徑區塊 */
        .aisitex-section {
            padding: 100px 0;
            border-top: 1px solid var(--aisitex-border);
        }

        .aisitex-section-header {
            max-width: 700px;
            margin-bottom: 60px;
        }

        .aisitex-section-header h2 {
            font-size: 2.4rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .aisitex-section-header p {
            color: var(--aisitex-text-muted);
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .aisitex-pathway-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 80px;
        }

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

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

        .aisitex-pathway-card {
            background: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .aisitex-step-number {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--aisitex-primary);
            text-transform: uppercase;
            letter-spacing: 0.1em;
        }

        .aisitex-pathway-card h3 {
            font-size: 1.8rem;
            font-weight: 600;
            line-height: 1.3;
        }

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

        .aisitex-pathway-img {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            background: var(--aisitex-card-bg);
        }

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

        /* 智慧AI特色區塊 */
        .aisitex-ai-section {
            background: linear-gradient(180deg, var(--aisitex-bg) 0%, #101622 100%);
            border-radius: 24px;
            border: 1px solid var(--aisitex-border);
            padding: 60px;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            margin: 40px 0;
        }

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

        .aisitex-ai-content h2 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.3;
        }

        .aisitex-ai-content p {
            color: var(--aisitex-text-muted);
            font-size: 1.1rem;
            line-height: 1.6;
        }

        .aisitex-ai-img {
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            background: #0B0E14;
        }

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

        /* 底部行動引導 */
        .aisitex-cta-banner {
            padding: 100px 0;
            text-align: center;
            border-top: 1px solid var(--aisitex-border);
            background: radial-gradient(circle at center, rgba(22, 119, 255, 0.08) 0%, transparent 70%);
        }

        .aisitex-cta-banner h2 {
            font-size: 2.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .aisitex-cta-banner p {
            color: var(--aisitex-text-muted);
            font-size: 1.15rem;
            max-width: 600px;
            margin: 0 auto 36px;
        }

        /* 頁腳組件 */
        .aisitex-footer {
            border-top: 1px solid var(--aisitex-border);
            padding: 60px 0 40px;
            background: #07090D;
        }

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

        .aisitex-footer-brand p {
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            margin-top: 16px;
            line-height: 1.5;
        }

        .aisitex-footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--aisitex-text);
        }

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

        .aisitex-footer-col a {
            text-decoration: none;
            color: var(--aisitex-text-muted);
            font-size: 0.9rem;
            transition: color 0.2s ease;
        }

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

        .aisitex-footer-bottom {
            border-top: 1px solid var(--aisitex-border);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--aisitex-text-muted);
            font-size: 0.85rem;
        }

        /* 響應式媒體查詢 */
        @media (max-width: 1024px) {
            .aisitex-hero-grid,
            .aisitex-pathway-grid,
            .aisitex-ai-section {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .aisitex-hero h1 {
                font-size: 2.6rem;
            }
            .aisitex-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .aisitex-nav-menu {
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background: var(--aisitex-bg);
                flex-direction: column;
                justify-content: flex-start;
                padding: 40px 24px;
                transition: left 0.3s ease;
                border-top: 1px solid var(--aisitex-border);
                z-index: 999;
            }
            .aisitex-nav-menu.active {
                left: 0;
            }
            .aisitex-menu-toggle {
                display: block;
            }
            .aisitex-header-cta {
                display: none;
            }
            .aisitex-nav-overlay.active {
                display: block;
            }
            .aisitex-hero h1 {
                font-size: 2.2rem;
            }
            .aisitex-footer-grid {
                grid-template-columns: 1fr;
            }
            .aisitex-ai-section {
                padding: 30px 20px;
            }
        }

.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;
            }}