:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #2962FF;
    --aisitex-secondary: #089981;
    --aisitex-bg: #F8FAFC;
    --aisitex-text: #1E293B;
    --aisitex-text-light: #64748B;
    --aisitex-card-bg: #FFFFFF;
    --aisitex-border: #E2E8F0;
}
*: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: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--aisitex-bg);
    color: var(--aisitex-text);
    line-height: 1.6;
}
/* 导航栏样式复用首页 */
/* 本页专属正文样式 */
.aisitex-tutorial-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 80px 24px;
}
.aisitex-hero-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 80px;
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 42px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--aisitex-text);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 18px;
    color: var(--aisitex-text-light);
    margin-bottom: 32px;
    line-height: 1.6;
}
.aisitex-step-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background: var(--aisitex-card-bg);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid var(--aisitex-border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.aisitex-step-item:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}
.aisitex-step-num:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-primary);
    color: #fff;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}
.aisitex-step-text h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--aisitex-text);
}
.aisitex-step-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 14px;
    color: var(--aisitex-text-light);
    margin: 0;
}
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #0f172a;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.aisitex-hero-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.3s;
}
.aisitex-hero-visual img:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: scale(1.02);
}
/* 章节通用样式 */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 80px;
}
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px auto;
}
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 32px;
    font-weight: 700;
    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-light);
}
/* 对照与功能展示区 */
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    align-items: center;
}
.aisitex-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-card-bg);
    border-radius: 16px;
    padding: 32px;
    border: 1px solid var(--aisitex-border);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
}
.aisitex-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--aisitex-text);
}
.aisitex-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-light);
    margin-bottom: 24px;
    font-size: 15px;
}
.aisitex-feature-img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--aisitex-border);
}
.aisitex-feature-img img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    display: block;
}
/* 操作流程轴 */
.aisitex-flow-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.aisitex-flow-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-card-bg);
    border-radius: 16px;
    padding: 32px 24px;
    border: 1px solid var(--aisitex-border);
    text-align: left;
    position: relative;
}
.aisitex-flow-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    padding: 4px 12px;
    background: #E0F2FE;
    color: #0369A1;
    font-size: 12px;
    font-weight: 600;
    border-radius: 20px;
    margin-bottom: 16px;
}
.aisitex-flow-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--aisitex-text);
}
.aisitex-flow-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 14px;
    color: var(--aisitex-text-light);
    line-height: 1.5;
}
/* 底部行动召唤 */
.aisitex-cta-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: linear-gradient(135deg, #2962FF 0%, #1E40AF 100%);
    border-radius: 24px;
    padding: 64px 32px;
    text-align: center;
    color: #fff;
}
.aisitex-cta-box h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
}
.aisitex-cta-box p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 32px auto;
}
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: #FFFFFF;
    color: var(--aisitex-primary);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}
.aisitex-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}
/* 页脚样式 */
/* 响应式断点适配 */
@media (max-width: 968px) {.aisitex-hero-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        gap: 32px;
    }
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }
.aisitex-flow-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: 32px;
    }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }}

.aisitex-header {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

.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%;
            height: 72px;
            background: rgba(248, 250, 252, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E2E8F0;
            z-index: 1000;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #1E293B;
        }

.aisitex-header .aisitex-brand img{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

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

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

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #2962FF;
        }

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

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background: #FFFFFF;
                flex-direction: column;
                justify-content: flex-start;
                padding: 32px;
                transition: left 0.3s ease;
                border-right: 1px solid #E2E8F0;
            }

.aisitex-header .aisitex-nav-menu.active{
                left: 0;
            }

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

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

.aisitex-footer {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #1E293B;
}

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

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #1E293B;
        }

.aisitex-footer .aisitex-brand img{
            width: 32px;
            height: 32px;
            object-fit: contain;
        }

.aisitex-footer .aisitex-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

.aisitex-footer{
            border-top: 1px solid #E2E8F0;
            padding: 48px 0;
            background: #FFFFFF;
            color: #64748B;
            font-size: 14px;
        }

.aisitex-footer .aisitex-footer-content{
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

.aisitex-footer .aisitex-footer-links a:hover{
            color: #2962FF;
        }

@media (max-width: 768px){.aisitex-footer .aisitex-footer-content{
                flex-direction: column;
                gap: 24px;
                text-align: center;
            }}