:root {
            --aisitex-primary: #4A154B;
            --aisitex-primary-hover: #3b103c;
            --aisitex-accent: #2EB67D;
            --aisitex-bg: #F8F9FA;
            --aisitex-text: #1D1C1D;
            --aisitex-text-light: #616061;
            --aisitex-border: #DDDDDD;
            --aisitex-white: #FFFFFF;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }

        /* 顶栏与导航 */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: var(--aisitex-white);
            border-bottom: 1px solid var(--aisitex-border);
        }

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

        .aisitex-brand {
            font-size: 24px;
            font-weight: 700;
            color: var(--aisitex-primary);
            text-decoration: none;
            letter-spacing: -0.5px;
        }

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

        .aisitex-nav-link {
            text-decoration: none;
            color: var(--aisitex-text);
            font-weight: 500;
            font-size: 15px;
            transition: color 0.2s;
        }

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

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

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.4);
            z-index: 998;
        }

        /* 首屏带条 */
        .aisitex-banner-strip {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            text-align: center;
            padding: 10px 16px;
            font-size: 14px;
            font-weight: 500;
        }

        .aisitex-banner-strip a {
            color: var(--aisitex-white);
            text-decoration: underline;
            margin-left: 8px;
        }

        /* 首屏区块 */
        .aisitex-hero {
            max-width: 1200px;
            margin: 0 auto;
            padding: 64px 24px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .aisitex-hero-content h1 {
            font-size: 48px;
            line-height: 1.15;
            font-weight: 800;
            color: var(--aisitex-text);
            margin-bottom: 20px;
        }

        .aisitex-hero-content h1 span {
            color: var(--aisitex-primary);
        }

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

        .aisitex-btn-primary {
            display: inline-block;
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            padding: 14px 28px;
            border-radius: 4px;
            font-weight: 600;
            text-decoration: none;
            transition: background-color 0.2s;
            box-shadow: 0 4px 12px rgba(74, 21, 75, 0.2);
        }

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

        .aisitex-hero-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
            border: 1px solid var(--aisitex-border);
        }

        /* 产品概览区块 */
        .aisitex-overview {
            background-color: var(--aisitex-white);
            padding: 80px 0;
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }

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

        .aisitex-section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .aisitex-section-header h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--aisitex-text);
        }

        .aisitex-section-header p {
            font-size: 16px;
            color: var(--aisitex-text-light);
        }

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

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

        .aisitex-feature-item {
            padding: 20px;
            border-radius: 8px;
            background-color: var(--aisitex-bg);
            border-left: 4px solid var(--aisitex-primary);
        }

        .aisitex-feature-item h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--aisitex-text);
        }

        .aisitex-feature-item p {
            font-size: 14px;
            color: var(--aisitex-text-light);
        }

        .aisitex-overview-image img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 12px 24px rgba(0,0,0,0.06);
        }

        /* 平台矩阵区块 */
        .aisitex-matrix {
            padding: 80px 0;
        }

        .aisitex-matrix-table {
            width: 100%;
            background: var(--aisitex-white);
            border-radius: 8px;
            border-collapse: collapse;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
        }

        .aisitex-matrix-table th,
        .aisitex-matrix-table td {
            padding: 20px 24px;
            text-align: left;
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-matrix-table th {
            background-color: #f1f3f5;
            font-weight: 600;
            font-size: 15px;
            color: var(--aisitex-text);
        }

        .aisitex-matrix-table td {
            font-size: 15px;
            color: var(--aisitex-text-light);
        }

        .aisitex-status-badge {
            display: inline-block;
            background-color: rgba(46, 182, 125, 0.15);
            color: #0b663b;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
        }

        /* 行动页脚区块 */
        .aisitex-action-footer {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            text-align: center;
            padding: 80px 24px;
        }

        .aisitex-action-footer h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .aisitex-action-footer p {
            font-size: 18px;
            color: rgba(255,255,255,0.8);
            margin-bottom: 32px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .aisitex-btn-light {
            display: inline-block;
            background-color: var(--aisitex-white);
            color: var(--aisitex-primary);
            padding: 16px 36px;
            border-radius: 4px;
            font-weight: 600;
            text-decoration: none;
            transition: background-color 0.2s;
        }

        .aisitex-btn-light:hover {
            background-color: var(--aisitex-bg);
        }

        /* 页脚 */
        .aisitex-footer {
            background-color: #1a191a;
            color: rgba(255,255,255,0.7);
            padding: 48px 0;
            font-size: 14px;
        }

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

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

        .aisitex-footer-links a {
            color: rgba(255,255,255,0.7);
            text-decoration: none;
        }

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

        /* 响应式适配 */
        @media (max-width: 900px) {
            .aisitex-hero,
            .aisitex-overview-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .aisitex-hero-content h1 {
                font-size: 36px;
            }

            .aisitex-nav-menu {
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background-color: var(--aisitex-white);
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
                box-shadow: -4px 0 12px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
                z-index: 999;
            }

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

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

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

            .aisitex-footer-content {
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.5;
    color: #1D1C1D;
}

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: #FFFFFF;
            border-bottom: 1px solid #DDDDDD;
        }

.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{
            font-size: 24px;
            font-weight: 700;
            color: #4A154B;
            text-decoration: none;
            letter-spacing: -0.5px;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #1D1C1D;
            font-weight: 500;
            font-size: 15px;
            transition: color 0.2s;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #4A154B;
        }

.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: #1D1C1D;
            margin: 5px 0;
            transition: 0.3s;
        }

.aisitex-header .aisitex-nav-overlay{
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.4);
            z-index: 998;
        }

@media (max-width: 900px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background-color: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
                box-shadow: -4px 0 12px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
                z-index: 999;
            }

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

.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: 1.5;
    color: #1D1C1D;
}

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

.aisitex-footer{
            background-color: #1a191a;
            color: rgba(255,255,255,0.7);
            padding: 48px 0;
            font-size: 14px;
        }

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

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

.aisitex-footer .aisitex-footer-links a{
            color: rgba(255,255,255,0.7);
            text-decoration: none;
        }

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

@media (max-width: 900px){.aisitex-footer .aisitex-footer-content{
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }}