: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: #E0E0E0;
            --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;
        }
/* 强制复用首页导航栏样式 */
/* 正文专用样式：满足画像与布局蓝图 */
.aisitex-main-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 48px 24px 80px;
        }
/* 首屏：经典左文右图分栏 */
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            padding: 40px 0 80px;
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 42px;
            font-weight: 700;
            color: var(--aisitex-text);
            line-height: 1.25;
            margin-bottom: 20px;
        }
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
            margin-bottom: 32px;
        }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
        }
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            padding: 12px 28px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: background-color 0.2s;
            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: var(--aisitex-secondary);
        }
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #E1DFDD;
            color: var(--aisitex-text);
            padding: 12px 28px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            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: #C8C6C4;
        }
.aisitex-hero-media 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, 0.08);
            border: 1px solid var(--aisitex-border);
        }
/* 章节任务切换：全宽色带 */
.aisitex-section-band:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-white);
            margin: 60px -24px;
            padding: 80px 24px;
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-section-inner:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 16px;
        }
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
        }
/* 步骤引导卡片网格 */
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            margin-bottom: 48px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 8px;
            padding: 32px 24px;
            position: relative;
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 36px;
            font-weight: 700;
            color: var(--aisitex-primary);
            opacity: 0.2;
            position: absolute;
            top: 20px;
            right: 24px;
        }
.aisitex-step-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--aisitex-text);
        }
.aisitex-step-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 15px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
.aisitex-content-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            margin-top: 40px;
        }
.aisitex-content-preview img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.05);
        }
/* 常见问题问答布局 */
.aisitex-faq-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 900px;
            margin: 0 auto;
        }
.aisitex-faq-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-white);
            border: 1px solid var(--aisitex-border);
            border-radius: 8px;
            margin-bottom: 20px;
            padding: 24px;
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.02);
        }
.aisitex-faq-item h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
.aisitex-faq-item h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
            content: "Q";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            font-size: 14px;
            border-radius: 4px;
        }
.aisitex-faq-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 15px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
            padding-left: 34px;
        }
/* 页脚样式 */
/* 响应式媒体查询 */
@media (max-width: 992px) {.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                justify-content: center;
            }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }}
@media (max-width: 768px) {.aisitex-nav-links.is-open:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 32px;
            }}

.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;
        }