:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #0284C7;
            --aisitex-secondary: #0EA5E9;
            --aisitex-bg: #F8FAFC;
            --aisitex-surface: #FFFFFF;
            --aisitex-text: #0F172A;
            --aisitex-text-muted: #64748B;
            --aisitex-radius: 12px;
            --aisitex-max-width: 1200px;
            --aisitex-header-height: 72px;
        }
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin: 0;
            padding: 0;
            box-word: border-box;
        }
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            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;
            overflow-x: hidden;
        }
/* --- 导航栏复用风格 --- */
.aisitex-header.is-scrolled:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #ffffff;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }
/* --- 响应式导航 --- */
@media (max-width: 768px) {.nav-open .aisitex-nav-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }}
/* --- 正文布局 --- */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding-top: var(--aisitex-header-height);
        }
/* --- Hero 下载中心 --- */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            padding: 80px 0 60px;
            background: radial-gradient(circle at 10% 20%, rgba(2, 132, 199, 0.05) 0%, transparent 50%);
            overflow: hidden;
        }
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
.aisitex-hero-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            align-items: center;
            gap: 60px;
        }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            z-index: 2;
        }
.aisitex-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            padding: 6px 16px;
            background: rgba(2, 132, 199, 0.1);
            color: var(--aisitex-primary);
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 0.5px;
        }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }
.aisitex-hero-subtitle:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            color: var(--aisitex-text-muted);
            margin-bottom: 40px;
            max-width: 500px;
        }
.aisitex-hero-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            display: flex;
            justify-content: flex-end;
        }
.aisitex-hero-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 110%;
            height: auto;
            border-radius: 20px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
            transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
        }
/* --- 横向信息带 --- */
.aisitex-info-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-surface);
            border-top: 1px solid rgba(0,0,0,0.05);
            border-bottom: 1px solid rgba(0,0,0,0.05);
            padding: 24px 0;
        }
.aisitex-strip-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
        }
.aisitex-strip-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--aisitex-text);
        }
.aisitex-strip-icon:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 24px;
            height: 24px;
            color: var(--aisitex-primary);
        }
/* --- 平台下载区 --- */
.aisitex-platform-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 100px 0;
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            margin-bottom: 60px;
        }
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            max-width: 600px;
            margin: 0 auto;
        }
.aisitex-platform-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-surface);
            border-radius: var(--aisitex-radius);
            padding: 40px;
            display: flex;
            gap: 30px;
            border: 1px solid rgba(0,0,0,0.03);
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
        }
.aisitex-platform-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.05);
            border-color: var(--aisitex-primary);
        }
.aisitex-platform-info:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            flex: 1;
        }
.aisitex-platform-os:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 12px;
        }
.aisitex-platform-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 14px;
            margin-bottom: 24px;
            min-height: 44px;
        }
.aisitex-platform-action:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            background: var(--aisitex-primary);
            color: #fff;
            text-decoration: none;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            transition: 0.3s;
            box-shadow: 0 4px 14px rgba(2, 132, 199, 0.3);
        }
.aisitex-platform-action:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-secondary);
            box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
        }
.aisitex-platform-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 200px;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
        }
.aisitex-platform-preview img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
/* --- 安装步骤/FAQ简易区 --- */
.aisitex-steps-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 0;
            background: #fff;
        }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            text-align: center;
        }
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
        }
.aisitex-step-num:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 40px;
            height: 40px;
            background: var(--aisitex-primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 20px;
        }
.aisitex-step-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-weight: 700;
            margin-bottom: 10px;
        }
.aisitex-step-text:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
        }
/* --- 页脚 --- */
.aisitex-footer-logo:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 24px;
            opacity: 0.9;
        }
.aisitex-footer-link:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color 0.3s;
        }
.aisitex-footer-link:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #fff;
        }
/* --- 响应式适配 --- */
@media (max-width: 1024px) {.aisitex-hero-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ grid-template-columns: 1fr; text-align: center; gap: 40px; }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ display: flex; flex-direction: column; align-items: center; }
.aisitex-hero-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ justify-content: center; }
.aisitex-hero-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ width: 80%; transform: none; }
.aisitex-platform-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ grid-template-columns: 1fr; }}
@media (max-width: 768px) {.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ font-size: 32px; }
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ flex-direction: column; padding: 30px; text-align: center; }
.aisitex-platform-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ width: 100%; order: -1; }
.aisitex-platform-preview img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ max-width: 240px; }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ grid-template-columns: 1fr; }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #0F172A;
}

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

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

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E2E8F0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

.aisitex-header.is-scrolled{
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 80px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #0F172A;
        }

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

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s;
            position: relative;
            padding: 8px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0284C7;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0284C7;
            border-radius: 2px;
        }

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

.aisitex-header .aisitex-nav-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background: #0F172A;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-links{
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #E2E8F0;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                gap: 16px;
                text-align: center;
            }

.aisitex-header .aisitex-nav-links.active{
                display: flex;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #0F172A;
}

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

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

.aisitex-footer{
            background-color: #0F172A;
            color: #94A3B8;
            padding: 60px 0 40px;
            border-top: 1px solid #1E293B;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-top{
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            flex-wrap: wrap;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-brand{
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 320px;
        }

.aisitex-footer .aisitex-footer-brand img{
            height: 36px;
            width: auto;
            border-radius: 8px;
        }

.aisitex-footer .aisitex-footer-brand p{
            font-size: 14px;
            line-height: 1.6;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            gap: 60px;
            flex-wrap: wrap;
        }

.aisitex-footer .aisitex-footer-col{
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

.aisitex-footer .aisitex-footer-col h4{
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 600;
        }

.aisitex-footer .aisitex-footer-col a{
            font-size: 14px;
            transition: color 0.2s;
        }

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

.aisitex-footer .aisitex-footer-bottom{
            padding-top: 30px;
            border-top: 1px solid #1E293B;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 14px;
        }