:root {
            --aisitex-bg: #0B0F19;
            --aisitex-panel: #131B2E;
            --aisitex-border: #1E293B;
            --aisitex-primary: #0052D9;
            --aisitex-primary-hover: #1a64e8;
            --aisitex-secondary: #00A870;
            --aisitex-text: #F3F4F6;
            --aisitex-text-muted: #94A3B8;
            --aisitex-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --aisitex-max-w: 1200px;
        }

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

        body {
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            font-family: var(--aisitex-font);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 顶部导航组件 */
        .aisitex-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background-color: rgba(11, 15, 25, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--aisitex-border);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .aisitex-nav-container {
            max-width: var(--aisitex-max-w);
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: var(--aisitex-text);
            font-weight: 700;
            font-size: 1.2rem;
        }

        .aisitex-brand img {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            object-fit: contain;
        }

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

        .aisitex-nav-link {
            text-decoration: none;
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s;
            position: relative;
            padding: 6px 0;
        }

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

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            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-text);
            margin: 5px 0;
            transition: 0.3s;
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.5);
            z-index: 999;
        }

        /* 主容器 */
        main {
            margin-top: 72px;
        }

        /* 首屏区块 */
        .aisitex-hero {
            max-width: var(--aisitex-max-w);
            margin: 0 auto;
            padding: 80px 24px 60px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

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

        .aisitex-platform-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(0, 82, 217, 0.15);
            border: 1px solid rgba(0, 82, 217, 0.3);
            color: #60a5fa;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            width: max-content;
            font-weight: 500;
        }

        .aisitex-hero h1 {
            font-size: 3rem;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #ffffff;
        }

        .aisitex-hero p {
            font-size: 1.1rem;
            color: var(--aisitex-text-muted);
            max-width: 520px;
            line-height: 1.6;
        }

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

        .aisitex-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.2s;
            font-size: 0.95rem;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(0, 82, 217, 0.4);
        }

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

        .aisitex-btn-secondary {
            background-color: var(--aisitex-panel);
            color: var(--aisitex-text);
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-btn-secondary:hover {
            background-color: #1a263f;
            border-color: #334155;
        }

        .aisitex-hero-image {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
            background-color: var(--aisitex-panel);
        }

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

        /* 平台矩阵区块 */
        .aisitex-matrix {
            max-width: var(--aisitex-max-w);
            margin: 0 auto;
            padding: 60px 24px;
        }

        .aisitex-section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .aisitex-section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 16px;
        }

        .aisitex-section-header p {
            color: var(--aisitex-text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .aisitex-matrix-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .aisitex-matrix-card {
            background-color: var(--aisitex-panel);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
            transition: transform 0.2s, border-color 0.2s;
        }

        .aisitex-matrix-card:hover {
            transform: translateY(-4px);
            border-color: var(--aisitex-primary);
        }

        .aisitex-matrix-platform {
            font-size: 1.25rem;
            font-weight: 600;
            color: #ffffff;
        }

        .aisitex-matrix-req {
            font-size: 0.9rem;
            color: var(--aisitex-text-muted);
        }

        .aisitex-matrix-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            color: var(--aisitex-secondary);
            font-weight: 500;
            margin-top: auto;
        }

        .aisitex-matrix-status::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--aisitex-secondary);
            border-radius: 50%;
        }

        /* 特性概览区块 */
        .aisitex-features {
            max-width: var(--aisitex-max-w);
            margin: 0 auto;
            padding: 60px 24px 100px;
        }

        .aisitex-feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            background-color: var(--aisitex-panel);
            border: 1px solid var(--aisitex-border);
            border-radius: 20px;
            padding: 48px;
        }

        .aisitex-feature-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .aisitex-feature-item h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }

        .aisitex-feature-item p {
            color: var(--aisitex-text-muted);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        .aisitex-feature-media {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--aisitex-border);
            background-color: #000;
        }

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

        /* 页脚 */
        .aisitex-footer {
            border-top: 1px solid var(--aisitex-border);
            background-color: #070a12;
            padding: 48px 24px;
            text-align: center;
            color: var(--aisitex-text-muted);
            font-size: 0.9rem;
        }

        .aisitex-footer-content {
            max-width: var(--aisitex-max-w);
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }

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

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

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

        /* 响应式断点 */
        @media (max-width: 968px) {
            .aisitex-hero {
                grid-template-columns: 1fr;
                text-align: center;
                padding-top: 40px;
            }

            .aisitex-hero-content {
                align-items: center;
            }

            .aisitex-hero p {
                max-width: 100%;
            }

            .aisitex-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .aisitex-feature-split {
                grid-template-columns: 1fr;
                padding: 24px;
            }
        }

        @media (max-width: 768px) {
            .aisitex-nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: var(--aisitex-bg);
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--aisitex-border);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

            .aisitex-nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

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

            .aisitex-hero h1 {
                font-size: 2.2rem;
            }

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

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F3F4F6;
}

.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-color: rgba(11, 15, 25, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #1E293B;
            z-index: 1000;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #F3F4F6;
            font-weight: 700;
            font-size: 1.2rem;
        }

.aisitex-header .aisitex-brand img{
            width: 36px;
            height: 36px;
            border-radius: 8px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s;
            position: relative;
            padding: 6px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #F3F4F6;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0052D9;
            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: #F3F4F6;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #0B0F19;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #1E293B;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F3F4F6;
}

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

.aisitex-footer{
            border-top: 1px solid #1E293B;
            background-color: #070a12;
            padding: 48px 24px;
            text-align: center;
            color: #94A3B8;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #F3F4F6;
        }