:root {
            --aisitex-primary: #0052D9;
            --aisitex-secondary: #0088FF;
            --aisitex-bg: #F4F6F9;
            --aisitex-text: #1D2129;
            --aisitex-text-light: #4E5969;
            --aisitex-white: #FFFFFF;
            --aisitex-border: #E5E6EB;
            --aisitex-shadow: 0 4px 20px rgba(0, 82, 217, 0.08);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Inter", "Microsoft YaHei", sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

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

        /* 导航栏样式 */
        .aisitex-header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--aisitex-border);
        }

        .aisitex-navbar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .aisitex-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: var(--aisitex-primary);
        }

        .aisitex-brand-logo {
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

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

        .aisitex-nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--aisitex-text-light);
            transition: color 0.2s;
        }

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

        .aisitex-menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 20px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .aisitex-menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background-color: var(--aisitex-text);
            transition: all 0.3s;
        }

        .aisitex-nav-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.4);
            z-index: 999;
        }

        /* 首屏样式 */
        .aisitex-hero {
            padding: 60px 0 40px;
        }

        .aisitex-banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #E8F3FF;
            color: var(--aisitex-primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
        }

        .aisitex-hero-content {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 48px;
        }

        .aisitex-hero-title {
            font-size: 44px;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

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

        .aisitex-btn-group {
            display: flex;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }

        .aisitex-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s;
            border: none;
        }

        .aisitex-btn-primary {
            background-color: var(--aisitex-primary);
            color: var(--aisitex-white);
            box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
        }

        .aisitex-btn-primary:hover {
            background-color: #0043b3;
            transform: translateY(-1px);
        }

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

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

        .aisitex-hero-media {
            max-width: 1000px;
            margin: 0 auto;
            background: var(--aisitex-white);
            padding: 16px;
            border-radius: 16px;
            box-shadow: var(--aisitex-shadow);
            border: 1px solid var(--aisitex-border);
        }

        .aisitex-hero-img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }

        /* 状态流/上手引导区块 */
        .aisitex-section {
            padding: 80px 0;
        }

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

        .aisitex-section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

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

        .aisitex-flow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .aisitex-flow-card {
            background: var(--aisitex-white);
            padding: 36px 28px;
            border-radius: 12px;
            border: 1px solid var(--aisitex-border);
            position: relative;
            transition: transform 0.2s;
        }

        .aisitex-flow-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--aisitex-shadow);
        }

        .aisitex-flow-step {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--aisitex-primary);
            background: #E8F3FF;
            padding: 4px 10px;
            border-radius: 6px;
            margin-bottom: 20px;
        }

        .aisitex-flow-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
        }

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

        /* 多端适配版本对照 */
        .aisitex-platform-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .aisitex-platform-item {
            background: var(--aisitex-white);
            border-radius: 12px;
            border: 1px solid var(--aisitex-border);
            display: flex;
            overflow: hidden;
            align-items: center;
            padding: 24px;
            gap: 24px;
        }

        .aisitex-platform-info {
            flex: 1;
        }

        .aisitex-platform-info h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .aisitex-platform-info p {
            font-size: 14px;
            color: var(--aisitex-text-light);
            margin-bottom: 16px;
        }

        .aisitex-platform-thumb {
            width: 140px;
            height: auto;
            border-radius: 6px;
            border: 1px solid var(--aisitex-border);
            object-fit: cover;
        }

        .aisitex-link-action {
            display: inline-flex;
            align-items: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--aisitex-primary);
        }

        .aisitex-link-action:hover {
            text-decoration: underline;
        }

        /* 页脚样式 */
        .aisitex-footer {
            background: var(--aisitex-white);
            border-top: 1px solid var(--aisitex-border);
            padding: 48px 0 24px;
            margin-top: 60px;
        }

        .aisitex-footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .aisitex-footer-links a {
            color: var(--aisitex-text-light);
            font-size: 14px;
            transition: color 0.2s;
        }

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

        .aisitex-copyright {
            text-align: center;
            font-size: 13px;
            color: #86909C;
            border-top: 1px solid var(--aisitex-border);
            padding-top: 24px;
        }

        /* 响应式断点 */
        @media (max-width: 992px) {
            .aisitex-flow-grid,
            .aisitex-platform-grid {
                grid-template-columns: 1fr;
            }
            .aisitex-hero-title {
                font-size: 36px;
            }
        }

        @media (max-width: 768px) {
            .aisitex-nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: var(--aisitex-white);
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                border-bottom: 1px solid var(--aisitex-border);
                z-index: 1000;
            }
            .aisitex-nav-menu.active {
                transform: translateY(0);
            }
            .aisitex-menu-toggle {
                display: flex;
            }
            .aisitex-nav-overlay.active {
                display: block;
            }
            .aisitex-hero-title {
                font-size: 28px;
            }
            .aisitex-hero-subtitle {
                font-size: 16px;
            }
            .aisitex-platform-item {
                flex-direction: column;
                align-items: flex-start;
            }
            .aisitex-platform-thumb {
                width: 100%;
            }
            .aisitex-btn-group {
                flex-direction: column;
                width: 100%;
            }
            .aisitex-btn {
                width: 100%;
            }
        }

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Inter", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #1D2129;
}

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

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

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

.aisitex-header{
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid #E5E6EB;
        }

.aisitex-header .aisitex-navbar{
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #0052D9;
        }

.aisitex-header .aisitex-brand-logo{
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #4E5969;
            transition: color 0.2s;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0052D9;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 28px;
            height: 20px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 100%;
            height: 2px;
            background-color: #1D2129;
            transition: all 0.3s;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                border-bottom: 1px solid #E5E6EB;
                z-index: 1000;
            }

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

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

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Inter", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #1D2129;
}

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

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

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #0052D9;
        }

.aisitex-footer .aisitex-brand-logo{
            width: 36px;
            height: 36px;
            object-fit: contain;
        }

.aisitex-footer{
            background: #FFFFFF;
            border-top: 1px solid #E5E6EB;
            padding: 48px 0 24px;
            margin-top: 60px;
        }

.aisitex-footer .aisitex-footer-content{
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #4E5969;
            font-size: 14px;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #0052D9;
        }

.aisitex-footer .aisitex-copyright{
            text-align: center;
            font-size: 13px;
            color: #86909C;
            border-top: 1px solid #E5E6EB;
            padding-top: 24px;
        }