:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-primary: #D42D2D;
            --aisitex-primary-hover: #b52222;
            --aisitex-secondary: #1E293B;
            --aisitex-bg: #F8FAFC;
            --aisitex-text: #0F172A;
            --aisitex-text-muted: #64748B;
            --aisitex-radius: 12px;
            --aisitex-max-width: 1200px;
        }
*: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;
        }
/* 复用首页导航栏及弹窗遮罩 */
.aisitex-nav-overlay:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.4);
            z-index: 998;
        }
.aisitex-nav-overlay.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: block;
        }
/* 本页独有样式：使用教程页面组件 */
.aisitex-tutorial-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            padding: 80px 24px 60px;
            background: linear-gradient(135deg, #F1F5F9 0%, #E2E8F0 100%);
            overflow: hidden;
        }
.aisitex-tutorial-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
            content: "";
            position: absolute;
            top: -20%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: rgba(212, 45, 45, 0.05);
            transform: rotate(15deg);
            pointer-events: none;
            z-index: 1;
        }
.aisitex-tutorial-hero-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }
.aisitex-tutorial-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 44px;
            font-weight: 800;
            color: var(--aisitex-secondary);
            line-height: 1.2;
            margin-bottom: 20px;
        }
.aisitex-tutorial-hero-content h1 span:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-primary);
        }
.aisitex-tutorial-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            color: var(--aisitex-text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
.aisitex-hero-badges:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
.aisitex-badge-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--aisitex-secondary);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
.aisitex-badge-item svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 16px;
            height: 16px;
            fill: var(--aisitex-primary);
        }
.aisitex-tutorial-hero-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
        }
.aisitex-tutorial-hero-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: var(--aisitex-radius);
            box-shadow: 0 20px 40px rgba(30, 41, 59, 0.12);
        }
/* 步骤轴及任务分段章节 */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 24px;
            max-width: var(--aisitex-max-width);
            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 60px;
        }
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            color: var(--aisitex-secondary);
            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);
            line-height: 1.6;
        }
.aisitex-step-flow-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-steps-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #FFFFFF;
            padding: 24px;
            border-radius: var(--aisitex-radius);
            border-left: 4px solid var(--aisitex-primary);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.03);
            transition: transform 0.2s;
        }
.aisitex-step-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateX(4px);
        }
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 13px;
            font-weight: 700;
            color: var(--aisitex-primary);
            letter-spacing: 1px;
            margin-bottom: 6px;
            text-transform: uppercase;
        }
.aisitex-step-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-secondary);
            margin-bottom: 8px;
        }
.aisitex-step-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
.aisitex-step-media-stack:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-step-media-stack img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: var(--aisitex-radius);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
            border: 1px solid rgba(226, 232, 240, 0.8);
        }
/* 局部全宽色带切换任务区 */
.aisitex-band-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-secondary);
            color: #FFFFFF;
            padding: 80px 24px;
            margin: 40px 0;
        }
.aisitex-band-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-band-content h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
        }
.aisitex-band-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: #94A3B8;
            margin-bottom: 24px;
            line-height: 1.7;
        }
.aisitex-feature-checklist:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
.aisitex-checklist-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 15px;
            color: #F1F5F9;
        }
.aisitex-checklist-item svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 20px;
            height: 20px;
            fill: #10B981;
            flex-shrink: 0;
        }
.aisitex-band-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: var(--aisitex-radius);
            box-shadow: 0 16px 32px rgba(0, 0, 0, 0.3);
        }
/* 底部行动引导区 */
.aisitex-tutorial-cta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 80px 24px;
            text-align: center;
            background: linear-gradient(180deg, #F8FAFC 0%, #E2E8F0 100%);
        }
.aisitex-cta-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 800px;
            margin: 0 auto;
            background: #FFFFFF;
            padding: 48px;
            border-radius: 20px;
            box-shadow: 0 20px 40px rgba(30, 41, 59, 0.06);
        }
.aisitex-cta-box h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 30px;
            font-weight: 700;
            color: var(--aisitex-secondary);
            margin-bottom: 16px;
        }
.aisitex-cta-box p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
            margin-bottom: 32px;
        }
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-block;
            background-color: var(--aisitex-primary);
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--aisitex-radius);
            font-weight: 600;
            font-size: 16px;
            text-decoration: none;
            box-shadow: 0 10px 20px rgba(212, 45, 45, 0.25);
            transition: background-color 0.2s, transform 0.2s;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-hover);
            transform: translateY(-2px);
        }
/* 页脚 */
.aisitex-footer-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
.aisitex-footer-links a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #F1F5F9;
            text-decoration: none;
            transition: color 0.2s;
        }
.aisitex-footer-links a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-primary);
        }
/* 响应式断点适配 */
@media (max-width: 992px) {.aisitex-tutorial-hero-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-step-flow-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-band-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 32px;
            }
.aisitex-tutorial-hero-content h1: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 *)){
                left: 0;
            }
.aisitex-tutorial-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                padding: 48px 16px 32px;
            }
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                padding: 48px 16px;
            }
.aisitex-cta-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                padding: 32px 20px;
            }}

.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: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E2E8F0;
            height: 72px;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            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: #1E293B;
        }

.aisitex-header .aisitex-brand img{
            height: 32px;
            width: auto;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #64748B;
            transition: color 0.2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #D42D2D;
        }

.aisitex-header .aisitex-nav-actions{
            display: flex;
            align-items: center;
            gap: 16px;
        }

.aisitex-header .aisitex-btn-header{
            background-color: #D42D2D;
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            transition: background-color 0.2s;
        }

.aisitex-header .aisitex-btn-header:hover{
            background-color: #b52222;
        }

.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: #1E293B;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                align-items: stretch;
                padding: 24px;
                border-bottom: 1px solid #E2E8F0;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                z-index: 999;
            }

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

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

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

.aisitex-header .aisitex-nav-actions{
                display: none;
            }}

.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: #1E293B;
            color: #FFFFFF;
            padding: 60px 24px 30px;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

.aisitex-footer .aisitex-footer-brand{
            font-size: 18px;
            font-weight: 700;
        }

.aisitex-footer .aisitex-footer-nav{
            display: flex;
            gap: 24px;
        }

.aisitex-footer .aisitex-footer-nav a{
            color: #94A3B8;
            font-size: 14px;
            transition: color 0.2s;
        }

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

.aisitex-footer .aisitex-footer-copy{
            max-width: 1200px;
            margin: 0 auto;
            text-align: center;
            font-size: 13px;
            color: #64748B;
        }

@media (max-width: 768px){.aisitex-footer .aisitex-footer-container{
                flex-direction: column;
                gap: 20px;
                text-align: center;
            }

.aisitex-footer .aisitex-footer-nav{
                flex-wrap: wrap;
                justify-content: center;
            }}