:root {
            --aisitex-primary: #464EB8;
            --aisitex-secondary: #6264A7;
            --aisitex-bg: #F8F9FA;
            --aisitex-text: #252423;
            --aisitex-text-light: #605E5C;
            --aisitex-white: #FFFFFF;
            --aisitex-border: #E1DFDD;
            --aisitex-max-width: 1200px;
        }

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

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

        /* 顶部导航样式 */
        .aisitex-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            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);
            font-weight: 700;
            font-size: 1.15rem;
        }

        .aisitex-brand-logo {
            width: 36px;
            height: 36px;
            background: var(--aisitex-primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--aisitex-white);
            font-weight: bold;
            font-size: 1.2rem;
        }

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

        .aisitex-nav-link {
            text-decoration: none;
            color: var(--aisitex-text-light);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding: 8px 0;
        }

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

        .aisitex-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            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: var(--aisitex-text);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 首屏舞台样式 */
        .aisitex-hero {
            background: linear-gradient(135deg, #2b3075 0%, var(--aisitex-primary) 100%);
            color: var(--aisitex-white);
            padding: 80px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .aisitex-hero-container {
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .aisitex-hero-content h1 {
            font-size: 2.75rem;
            line-height: 1.2;
            font-weight: 700;
            margin-bottom: 24px;
            letter-spacing: -0.02em;
        }

        .aisitex-hero-content p {
            font-size: 1.15rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 36px;
        }

        .aisitex-hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .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 ease;
            font-size: 1rem;
            cursor: pointer;
        }

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

        .aisitex-btn-primary:hover {
            background-color: #f0f2ff;
            transform: translateY(-2px);
        }

        .aisitex-btn-secondary {
            background-color: rgba(255, 255, 255, 0.15);
            color: var(--aisitex-white);
            border: 1px solid rgba(255, 255, 255, 0.3);
        }

        .aisitex-btn-secondary:hover {
            background-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }

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

        .aisitex-hero-img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* 功能分栏样式 */
        .aisitex-section {
            padding: 100px 0;
        }

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

        .aisitex-section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 64px;
        }

        .aisitex-section-header h2 {
            font-size: 2.25rem;
            font-weight: 700;
            color: var(--aisitex-text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }

        .aisitex-section-header p {
            font-size: 1.1rem;
            color: var(--aisitex-text-light);
        }

        .aisitex-feature-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
            background: var(--aisitex-white);
            border-radius: 20px;
            padding: 64px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-feature-content h3 {
            font-size: 1.75rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--aisitex-text);
        }

        .aisitex-feature-content p {
            color: var(--aisitex-text-light);
            font-size: 1.05rem;
            margin-bottom: 32px;
        }

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

        .aisitex-feature-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .aisitex-feature-item h4::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--aisitex-primary);
            border-radius: 50%;
        }

        .aisitex-feature-item p {
            color: var(--aisitex-text-light);
            font-size: 0.95rem;
            margin-bottom: 0;
            padding-left: 18px;
        }

        .aisitex-feature-img-wrapper img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--aisitex-border);
        }

        /* 状态对照卡片样式 */
        .aisitex-comparison {
            background-color: var(--aisitex-white);
            border-radius: 20px;
            padding: 64px;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-comparison-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
            margin-top: 48px;
        }

        .aisitex-comparison-card {
            background: var(--aisitex-bg);
            border-radius: 16px;
            padding: 36px;
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-comparison-card.highlight {
            background: linear-gradient(135deg, rgba(70, 78, 184, 0.05) 0%, rgba(98, 100, 167, 0.08) 100%);
            border-color: var(--aisitex-primary);
        }

        .aisitex-comparison-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--aisitex-text);
        }

        .aisitex-comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .aisitex-comparison-list li {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            gap: 16px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-comparison-list li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .aisitex-comp-label {
            font-weight: 600;
            color: var(--aisitex-text);
            min-width: 100px;
        }

        .aisitex-comp-value {
            color: var(--aisitex-text-light);
            text-align: right;
        }

        .highlight .aisitex-comp-value {
            color: var(--aisitex-primary);
            font-weight: 600;
        }

        /* 行动引导区 CTA */
        .aisitex-cta-section {
            background: linear-gradient(135deg, #1f245c 0%, #2b3075 100%);
            color: var(--aisitex-white);
            padding: 96px 0;
            text-align: center;
        }

        .aisitex-cta-container {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .aisitex-cta-container h2 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .aisitex-cta-container p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .aisitex-cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 页脚 */
        .aisitex-footer {
            background-color: #252423;
            color: #E1DFDD;
            padding: 48px 0;
            font-size: 0.9rem;
        }

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

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

        .aisitex-footer-links a {
            color: #E1DFDD;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        /* 移动端菜单遮罩 */
        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.5);
            z-index: 998;
        }

        /* 响应式媒体查询 */
        @media (max-width: 968px) {
            .aisitex-hero-container {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .aisitex-hero-actions {
                justify-content: center;
            }

            .aisitex-feature-split {
                grid-template-columns: 1fr;
                padding: 32px;
                gap: 40px;
            }

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

            .aisitex-comparison {
                padding: 32px;
            }

            nav {
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background: var(--aisitex-white);
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
                transition: right 0.3s ease;
                z-index: 999;
            }

            nav.active {
                right: 0;
            }

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

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

            .aisitex-hero-content h1 {
                font-size: 2.25rem;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #252423;
}

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E1DFDD;
        }

.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: #252423;
            font-weight: 700;
            font-size: 1.15rem;
        }

.aisitex-header .aisitex-brand-logo{
            width: 36px;
            height: 36px;
            background: #464EB8;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: bold;
            font-size: 1.2rem;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #605E5C;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s;
            position: relative;
            padding: 8px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #464EB8;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #464EB8;
            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: #252423;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header nav{
                position: fixed;
                top: 72px;
                right: -100%;
                width: 280px;
                height: calc(100vh - 72px);
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 32px;
                box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
                transition: right 0.3s ease;
                z-index: 999;
            }

.aisitex-header nav.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 Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #252423;
}

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

.aisitex-footer{
            background-color: #252423;
            color: #E1DFDD;
            padding: 48px 0;
            font-size: 0.9rem;
        }

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

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

.aisitex-footer .aisitex-footer-links a{
            color: #E1DFDD;
            text-decoration: none;
            transition: color 0.2s;
        }

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