:root {
            --aisitex-primary: #1877F2;
            --aisitex-primary-hover: #1565C0;
            --aisitex-secondary: #0F172A;
            --aisitex-bg: #F8FAFC;
            --aisitex-surface: #FFFFFF;
            --aisitex-text: #1E293B;
            --aisitex-text-muted: #64748B;
            --aisitex-border: #E2E8F0;
            --aisitex-border-dark: #CBD5E1;
            --aisitex-radius: 8px;
            --aisitex-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --aisitex-max-width: 1200px;
        }

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

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

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

        /* 顶部导航 */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            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;
            font-weight: 700;
            font-size: 20px;
            color: var(--aisitex-secondary);
        }

        .aisitex-brand img {
            height: 32px;
            width: auto;
        }

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

        .aisitex-nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--aisitex-text-muted);
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }

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

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

        .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-secondary);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 主体容器 */
        .aisitex-main {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Hero 区域：上下分层 */
        .aisitex-hero {
            padding: 60px 0 40px;
        }

        .aisitex-hero-content {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .aisitex-hero-text h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .aisitex-hero-text p {
            font-size: 18px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
            margin-bottom: 32px;
        }

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

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: white;
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--aisitex-radius);
            font-size: 16px;
            transition: background-color 0.2s, transform 0.1s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(24, 119, 242, 0.25);
        }

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

        .aisitex-btn-secondary {
            background-color: white;
            color: var(--aisitex-secondary);
            font-weight: 600;
            padding: 14px 28px;
            border-radius: var(--aisitex-radius);
            font-size: 16px;
            border: 1px solid var(--aisitex-border-dark);
            transition: all 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

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

        .aisitex-hero-visual {
            position: relative;
        }

        .aisitex-hero-visual img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            border: 1px solid var(--aisitex-border);
            box-shadow: var(--aisitex-shadow);
            background: white;
        }

        /* 状态带 */
        .aisitex-status-band {
            margin-top: 40px;
            background: white;
            border: 1px solid var(--aisitex-border);
            border-radius: var(--aisitex-radius);
            padding: 24px 32px;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .aisitex-status-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .aisitex-status-label {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--aisitex-text-muted);
            font-weight: 600;
        }

        .aisitex-status-val-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .aisitex-status-value {
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-secondary);
        }

        .aisitex-badge {
            font-size: 12px;
            padding: 2px 8px;
            background-color: #EFF6FF;
            color: var(--aisitex-primary);
            border-radius: 4px;
            font-weight: 500;
            border: 1px solid #BFDBFE;
        }

        /* 章节通用样式 */
        .aisitex-section {
            padding: 80px 0;
            border-top: 1px solid var(--aisitex-border);
        }

        .aisitex-section-header {
            max-width: 700px;
            margin-bottom: 48px;
        }

        .aisitex-section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            position: relative;
            padding-left: 16px;
        }

        .aisitex-section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            bottom: 6px;
            width: 4px;
            background-color: var(--aisitex-primary);
            border-radius: 2px;
        }

        .aisitex-section-header p {
            font-size: 16px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
        }

        /* 模块关系：对照区布局 */
        .aisitex-relation-grid {
            display: grid;
            grid-template-columns: 1.fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .aisitex-relation-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .aisitex-relation-card {
            background: white;
            border: 1px solid var(--aisitex-border);
            border-radius: var(--aisitex-radius);
            padding: 24px;
            transition: border-color 0.2s;
        }

        .aisitex-relation-card:hover {
            border-color: var(--aisitex-border-dark);
        }

        .aisitex-relation-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .aisitex-relation-card h3 span {
            font-size: 13px;
            font-weight: 400;
            color: var(--aisitex-primary);
            background: #EFF6FF;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .aisitex-relation-card p {
            font-size: 15px;
            color: var(--aisitex-text-muted);
        }

        .aisitex-relation-images {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .aisitex-relation-images img {
            width: 100%;
            height: auto;
            border-radius: var(--aisitex-radius);
            border: 1px solid var(--aisitex-border);
            box-shadow: var(--aisitex-shadow);
            background: white;
        }

        /* 版本矩阵 */
        .aisitex-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .aisitex-matrix-card {
            background: white;
            border: 1px solid var(--aisitex-border);
            border-radius: var(--aisitex-radius);
            padding: 32px 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .aisitex-matrix-card:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
            border-color: var(--aisitex-border-dark);
        }

        .aisitex-matrix-info h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 12px;
        }

        .aisitex-matrix-info p {
            font-size: 14px;
            color: var(--aisitex-text-muted);
            margin-bottom: 24px;
        }

        .aisitex-matrix-action {
            margin-top: auto;
        }

        .aisitex-btn-outline {
            width: 100%;
            text-align: center;
            padding: 12px 16px;
            background-color: transparent;
            color: var(--aisitex-primary);
            border: 1px solid var(--aisitex-primary);
            border-radius: var(--aisitex-radius);
            font-weight: 600;
            font-size: 14px;
            transition: all 0.2s;
            display: inline-block;
        }

        .aisitex-btn-outline:hover {
            background-color: var(--aisitex-primary);
            color: white;
        }

        /* 页脚 */
        .aisitex-footer {
            background-color: var(--aisitex-secondary);
            color: #94A3B8;
            padding: 48px 0;
            margin-top: 80px;
            font-size: 14px;
        }

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

        .aisitex-footer-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .aisitex-footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .aisitex-footer-links a {
            color: #CBD5E1;
            transition: color 0.2s;
        }

        .aisitex-footer-links a:hover {
            color: white;
        }

        .aisitex-footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 移动端菜单弹窗遮罩 */
        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(15, 23, 42, 0.4);
            z-index: 98;
        }

        /* 响应式设计 */
        @media (max-width: 1024px) {
            .aisitex-hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .aisitex-relation-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

        @media (max-width: 768px) {
            .aisitex-menu-toggle {
                display: block;
            }

            .aisitex-nav-menu {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: white;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 24px 24px;
                gap: 20px;
                box-shadow: -10px 0 25px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
                z-index: 99;
            }

            .aisitex-nav-menu.active {
                right: 0;
            }

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

            .aisitex-hero-text h1 {
                font-size: 32px;
            }

            .aisitex-status-band {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .aisitex-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", 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: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            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;
            font-weight: 700;
            font-size: 20px;
            color: #0F172A;
        }

.aisitex-header .aisitex-brand img{
            height: 32px;
            width: auto;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s ease;
            position: relative;
            padding: 6px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #1877F2;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #1877F2;
            border-radius: 2px;
        }

.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: #0F172A;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 768px){.aisitex-header .aisitex-menu-toggle{
                display: block;
            }

.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: white;
                flex-direction: column;
                align-items: flex-start;
                padding: 80px 24px 24px;
                gap: 20px;
                box-shadow: -10px 0 25px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
                z-index: 99;
            }

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

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

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

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #0F172A;
        }

.aisitex-footer .aisitex-brand img{
            height: 32px;
            width: auto;
        }

.aisitex-footer{
            background-color: #0F172A;
            color: #94A3B8;
            padding: 48px 0;
            margin-top: 80px;
            font-size: 14px;
        }

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

.aisitex-footer .aisitex-footer-top{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

.aisitex-footer .aisitex-footer-links a{
            color: #CBD5E1;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: white;
        }

.aisitex-footer .aisitex-footer-bottom{
            border-top: 1px solid #334155;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }