:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #0078D4;
            --aisitex-secondary: #2B579A;
            --aisitex-bg: #F8F9FA;
            --aisitex-surface: #FFFFFF;
            --aisitex-text: #242424;
            --aisitex-text-muted: #616161;
            --aisitex-radius: 8px;
        }
*: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;
        }
/* 导航栏样式 (继承首页家族) */
/* 正文区域通用容器 */
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
/* 宽幅产品舞台首屏 */
.aisitex-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            padding: 80px 0 60px;
            border-bottom: 1px solid #e1dfdd;
        }
.aisitex-hero-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2.75rem;
            font-weight: 700;
            color: var(--aisitex-text);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.125rem;
            color: var(--aisitex-text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
.aisitex-btn-group:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
            align-items: center;
        }
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--aisitex-radius);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: all 0.2s ease;
            cursor: pointer;
        }
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(0, 120, 212, 0.25);
            border: none;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #106ebe;
            box-shadow: 0 6px 16px rgba(0, 120, 212, 0.35);
            transform: translateY(-1px);
        }
.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);
        }
.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 *)){
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 16px 32px rgba(0,0,0,0.08);
            border: 1px solid rgba(0,0,0,0.06);
        }
.aisitex-hero-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            transition: transform 0.3s ease;
        }
.aisitex-hero-visual:hover img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: scale(1.02);
        }
/* 局部色带切换任务区 - 步骤时间轴 */
.aisitex-section-steps:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 0;
            background-color: var(--aisitex-bg);
        }
.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: 2rem;
            font-weight: 700;
            color: var(--aisitex-text);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.05rem;
            color: var(--aisitex-text-muted);
        }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface);
            border-radius: var(--aisitex-radius);
            padding: 32px 24px;
            border: 1px solid #e1dfdd;
            position: relative;
            transition: all 0.25s ease;
        }
.aisitex-step-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-4px);
            box-shadow: 0 12px 24px rgba(0,0,0,0.06);
            border-color: var(--aisitex-primary);
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2.25rem;
            font-weight: 700;
            color: rgba(0, 120, 212, 0.15);
            margin-bottom: 16px;
            line-height: 1;
        }
.aisitex-step-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--aisitex-text);
            margin-bottom: 10px;
        }
.aisitex-step-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 0.95rem;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
        }
/* 局部冷暖色块面交替 - 常见问题折叠区 */
.aisitex-section-faq:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 0;
            background-color: #ffffff;
            border-top: 1px solid #e1dfdd;
            border-bottom: 1px solid #e1dfdd;
        }
.aisitex-faq-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 800px;
            margin: 0 auto;
        }
.aisitex-faq-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-bg);
            border: 1px solid #e1dfdd;
            border-radius: var(--aisitex-radius);
            margin-bottom: 16px;
            overflow: hidden;
            transition: border-color 0.2s ease;
        }
.aisitex-faq-item:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: var(--aisitex-primary);
        }
.aisitex-faq-question:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--aisitex-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
.aisitex-faq-question:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
            content: "+";
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--aisitex-primary);
            transition: transform 0.2s ease;
        }
.aisitex-faq-item.active .aisitex-faq-question:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
            transform: rotate(45deg);
        }
.aisitex-faq-answer:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--aisitex-text-muted);
            line-height: 1.7;
            display: none;
        }
.aisitex-faq-item.active .aisitex-faq-answer:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: block;
        }
/* 底部行动召唤扩展 */
.aisitex-cta-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 70px 0;
            background: linear-gradient(135deg, #0078D4 0%, #2B579A 100%);
            color: #ffffff;
            text-align: center;
        }
.aisitex-cta-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 700px;
            margin: 0 auto;
            padding: 0 24px;
        }
.aisitex-cta-section h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
.aisitex-cta-section p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.1rem;
            opacity: 0.9;
            margin-bottom: 32px;
            line-height: 1.6;
        }
.aisitex-btn-light:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #ffffff;
            color: var(--aisitex-primary);
            font-weight: 600;
            padding: 14px 32px;
            border-radius: var(--aisitex-radius);
            text-decoration: none;
            display: inline-block;
            box-shadow: 0 4px 14px rgba(0,0,0,0.15);
            transition: transform 0.2s ease, background-color 0.2s ease;
        }
.aisitex-btn-light:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #f0f0f0;
            transform: translateY(-2px);
        }
/* 页脚样式 */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            padding-bottom: 32px;
            margin-bottom: 24px;
        }
.aisitex-footer-brand:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 1.1rem;
            font-weight: 600;
            color: #ffffff;
            text-decoration: none;
        }
/* 响应式断点 */
@media (max-width: 968px) {.aisitex-hero-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 40px;
            }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: repeat(2, 1fr);
            }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 2.1rem;
            }
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                flex-direction: column;
                gap: 20px;
                align-items: flex-start;
            }}

.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{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 249, 250, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E0E0E0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #0078D4;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #242424;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            position: relative;
        }

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

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0078D4;
            border-radius: 2px;
        }

.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: all 0.25s ease;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 32px 24px;
                gap: 20px;
                border-bottom: 1px solid #E0E0E0;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                z-index: 999;
                align-items: flex-start;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
                opacity: 1;
            }

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

.aisitex-header .aisitex-menu-toggle.active span:nth-child(1){
                transform: translateY(7px) rotate(45deg);
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(2){
                opacity: 0;
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(3){
                transform: translateY(-7px) rotate(-45deg);
            }

.aisitex-header .aisitex-nav-overlay.active{
                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: #1f1f1f;
            color: #d1d1d1;
            padding: 40px 0;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            text-align: center;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #d1d1d1;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

.aisitex-footer .aisitex-footer-copy{
            color: #888888;
            font-size: 0.85rem;
        }