:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #FFFFFF;
            --aisitex-text: #37352F;
            --aisitex-secondary: #2F3437;
            --aisitex-accent: #000000;
            --aisitex-warm-bg: #F7F6F3;
            --aisitex-max-width: 1200px;
            --aisitex-border: rgba(55, 53, 47, 0.09);
        }
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)),  *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before,  *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
/* 导航栏复用标准样式 */
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-accent);
            color: #fff;
            padding: 8px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.2s;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.85;
        }
/* 页面主体架构样式 */
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
/* 首屏下载主张 */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 0 60px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: #7B7974;
            background: var(--aisitex-warm-bg);
            padding: 4px 10px;
            border-radius: 4px;
            width: fit-content;
        }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 44px;
            font-weight: 700;
            line-height: 1.15;
            color: var(--aisitex-accent);
            letter-spacing: -0.02em;
        }
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-secondary);
            line-height: 1.6;
        }
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            background: var(--aisitex-warm-bg);
            border-radius: 12px;
            padding: 16px;
            border: 1px solid var(--aisitex-border);
        }
.aisitex-hero-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.06);
            display: block;
        }
/* 全平台版本支持区块 (带局部温和色带切换) */
.aisitex-platform-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-warm-bg);
            padding: 80px 0;
            margin: 40px 0;
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            color: var(--aisitex-accent);
            margin-bottom: 12px;
        }
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-secondary);
        }
.aisitex-platform-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #ffffff;
            border-radius: 12px;
            padding: 32px 24px;
            border: 1px solid var(--aisitex-border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.2s, box-shadow 0.2s;
        }
.aisitex-platform-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.04);
        }
.aisitex-platform-name:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 20px;
            font-weight: 600;
            color: var(--aisitex-accent);
            margin-bottom: 8px;
        }
.aisitex-platform-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-secondary);
            margin-bottom: 24px;
            min-height: 42px;
        }
.aisitex-platform-meta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            color: #7B7974;
            margin-bottom: 16px;
        }
.aisitex-download-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--aisitex-accent);
            color: #fff;
            padding: 10px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            border: none;
            width: 100%;
            transition: opacity 0.2s;
        }
.aisitex-download-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.85;
        }
/* 安装与初次启动说明区块 */
.aisitex-install-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 0;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 64px;
            align-items: center;
        }
.aisitex-install-steps:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 20px;
        }
.aisitex-step-num:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 24px;
            font-weight: 700;
            color: #7B7974;
            opacity: 0.5;
            line-height: 1;
        }
.aisitex-step-content h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-accent);
            margin-bottom: 6px;
        }
.aisitex-step-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-secondary);
            line-height: 1.5;
        }
.aisitex-install-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-warm-bg);
            border-radius: 12px;
            padding: 16px;
            border: 1px solid var(--aisitex-border);
        }
.aisitex-install-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
            box-shadow: 0 8px 24px rgba(0,0,0,0.04);
        }
/* 页脚 */
/* 响应式断点 */
@media (max-width: 960px) {.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-install-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 40px;
            }
.aisitex-platform-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 36px;
            }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #ffffff;
                padding: 24px;
                border-bottom: 1px solid var(--aisitex-border);
                box-shadow: 0 8px 16px rgba(0,0,0,0.05);
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.5;
    color: #37352F;
}

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

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

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(55, 53, 47, 0.09);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            z-index: 1000;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 18px;
            letter-spacing: -0.3px;
        }

.aisitex-header .aisitex-brand img{
            width: 28px;
            height: 28px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-menu{
            display: flex;
            gap: 24px;
            align-items: center;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 14px;
            font-weight: 500;
            color: #2F3437;
            padding: 6px 12px;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }

.aisitex-header .aisitex-nav-link:hover{
            background-color: rgba(55, 53, 47, 0.06);
            color: #000000;
        }

.aisitex-header .aisitex-nav-link.active{
            color: #000000;
            background-color: rgba(55, 53, 47, 0.06);
            font-weight: 600;
        }

.aisitex-header .aisitex-header-actions{
            display: flex;
            gap: 12px;
            align-items: center;
        }

.aisitex-header .aisitex-btn-primary{
            background-color: #000000;
            color: #fff;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.2s;
        }

.aisitex-header .aisitex-btn-primary:hover{
            opacity: 0.85;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 20px;
            height: 2px;
            background: #37352F;
            margin: 4px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu, .aisitex-header .aisitex-header-actions .aisitex-btn-primary{
                display: none;
            }

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

.aisitex-header .aisitex-nav-menu.active{
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 24px;
                border-bottom: 1px solid rgba(55, 53, 47, 0.09);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                z-index: 999;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.5;
    color: #37352F;
}

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 18px;
            letter-spacing: -0.3px;
        }

.aisitex-footer .aisitex-brand img{
            width: 28px;
            height: 28px;
            object-fit: contain;
        }

.aisitex-footer .aisitex-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

.aisitex-footer{
            border-top: 1px solid rgba(55, 53, 47, 0.09);
            padding: 48px 0;
            background-color: #F7F6F3;
            font-size: 14px;
            color: #2F3437;
        }

.aisitex-footer .aisitex-footer-content{
            display: flex;
            justify-content: space-between;
            align-items: center;
        }