:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #0078D4;
            --aisitex-secondary: #2B579A;
            --aisitex-bg: #F8F9FA;
            --aisitex-text: #242424;
            --aisitex-text-muted: #616161;
            --aisitex-border: #E1DFDD;
            --aisitex-white: #FFFFFF;
        }
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            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", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.6;
            overflow-x: hidden;
        }
/* 顶部导航栏 (复用首页风格，features 激活) */
/* 页面主体架构 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
        }
/* 首屏区块：左文右图弹性分栏 */
.aisitex-feature-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-white);
            padding: 80px 20px;
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-hero-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-hero-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-block;
            background-color: rgba(0, 120, 212, 0.1);
            color: var(--aisitex-primary);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            width: fit-content;
        }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 42px;
            font-weight: 700;
            color: var(--aisitex-text);
            line-height: 1.25;
        }
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
            line-height: 1.7;
        }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
            margin-top: 10px;
        }
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            padding: 12px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: background-color 0.2s, box-shadow 0.2s;
            box-shadow: 0 4px 12px rgba(0, 120, 212, 0.2);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #005a9e;
        }
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: transparent;
            color: var(--aisitex-primary);
            border: 1px solid var(--aisitex-primary);
            padding: 12px 24px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            font-size: 15px;
            transition: background-color 0.2s;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
.aisitex-btn-secondary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: rgba(0, 120, 212, 0.05);
        }
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: center;
            align-items: center;
        }
.aisitex-hero-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            max-width: 580px;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            border: 1px solid var(--aisitex-border);
            animation: aisitex-float 0.6s ease-out;
        }
@keyframes aisitex-float {
            from {
                opacity: 0;
                transform: translateY(15px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
/* 正文交替色带章节 */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 90px 20px;
        }
.aisitex-section-alt:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-white);
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
.aisitex-container-reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            direction: rtl;
        }
.aisitex-container-reverse > *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            direction: ltr;
        }
.aisitex-content-block:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-section-num:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            font-weight: 700;
            color: var(--aisitex-primary);
            letter-spacing: 1px;
            text-transform: uppercase;
        }
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 600;
            color: var(--aisitex-text);
            line-height: 1.3;
        }
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
            line-height: 1.7;
        }
.aisitex-feature-card-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: rgba(0, 120, 212, 0.03);
            border-left: 4px solid var(--aisitex-primary);
            padding: 18px 22px;
            border-radius: 0 6px 6px 0;
            margin-top: 10px;
        }
.aisitex-feature-card-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 6px;
        }
.aisitex-feature-card-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
        }
.aisitex-visual-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: center;
            align-items: center;
        }
.aisitex-visual-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            max-width: 540px;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 8px 24px rgba(0,0,0,0.06);
            border: 1px solid var(--aisitex-border);
            object-fit: contain;
        }
/* 移动端全景生态网格特化区块 */
.aisitex-grid-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 90px 20px;
            background-color: var(--aisitex-bg);
        }
.aisitex-grid-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
.aisitex-grid-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
.aisitex-mobile-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: center;
        }
.aisitex-mobile-preview img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 300px;
            width: 100%;
            border-radius: 24px;
            box-shadow: 0 16px 36px rgba(0,0,0,0.12);
            border: 6px solid var(--aisitex-white);
        }
/* 页脚样式复用体系 */
.aisitex-footer-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
.aisitex-footer-brand p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #A19F9D;
            font-size: 14px;
            margin-top: 12px;
            line-height: 1.6;
            max-width: 320px;
        }
.aisitex-footer-col h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
.aisitex-footer-col ul:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
.aisitex-footer-col a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #A19F9D;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }
.aisitex-footer-col a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #FFFFFF;
        }
.aisitex-footer-bottom:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 30px auto 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #A19F9D;
            font-size: 13px;
        }
/* 响应式媒体查询断点 */
@media (max-width: 968px) {.aisitex-hero-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-grid-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 40px;
            }
.aisitex-container-reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                direction: ltr;
            }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 32px;
            }
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 26px;
            }
.aisitex-footer-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
.aisitex-nav-links.is-open:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }}
@media (max-width: 576px) {.aisitex-footer-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                flex-direction: column;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #242424;
}

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

.aisitex-header{
            background-color: #FFFFFF;
            border-bottom: 1px solid #E1DFDD;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: #242424;
            font-weight: 700;
            font-size: 18px;
        }

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

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #616161;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0078D4;
        }

.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: #242424;
            margin: 5px 0;
            transition: transform 0.3s ease;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-links{
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
                border-bottom: 1px solid #E1DFDD;
                gap: 16px;
            }

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

.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: #242424;
}

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

.aisitex-footer{
            background-color: #FFFFFF;
            border-top: 1px solid #E1DFDD;
            padding: 48px 0;
            text-align: center;
            color: #616161;
            font-size: 14px;
        }

.aisitex-footer .aisitex-footer-inner{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #616161;
            text-decoration: none;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #0078D4;
        }