: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;
}
/* 导航栏样式复用与当前页激活状态 */
/* 主内容区布局与样式 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: 1200px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}
/* 首屏 Hero 舞台 */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  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: 17px;
  color: var(--aisitex-text-light);
  margin-bottom: 32px;
  line-height: 1.7;
}
.aisitex-steps-guide:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 32px;
}
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  align-items: flex-start;
  gap: 14px;
}
.aisitex-step-num:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 28px;
  height: 28px;
  background: rgba(41, 98, 255, 0.1);
  color: var(--aisitex-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 14px;
  flex-shrink: 0;
}
.aisitex-step-text:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 15px;
  color: var(--aisitex-text);
  padding-top: 3px;
}
.aisitex-download-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: var(--aisitex-primary);
  color: #FFFFFF;
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform 0.2s, background-color 0.2s;
  box-shadow: 0 4px 12px rgba(41, 98, 255, 0.25);
  border: none;
  cursor: pointer;
}
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: #1E4BD8;
  transform: translateY(-2px);
}
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: #FFFFFF;
  color: var(--aisitex-text);
  padding: 14px 28px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid var(--aisitex-border);
  transition: background-color 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.aisitex-btn-secondary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: #F1F5F9;
}
/* 右侧产品预览卡片 */
.aisitex-hero-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: #FFFFFF;
  border-radius: 16px;
  border: 1px solid var(--aisitex-border);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.04);
  overflow: hidden;
}
.aisitex-preview-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding: 16px 20px;
  background: #F8FAFC;
  border-bottom: 1px solid var(--aisitex-border);
  display: flex;
  align-items: center;
  gap: 8px;
}
.aisitex-dot:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: #CBD5E1;
}
.aisitex-dot:nth-child(1):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ background: #EF4444; }
.aisitex-dot:nth-child(2):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ background: #F59E0B; }
.aisitex-dot:nth-child(3):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ background: #10B981; }
.aisitex-preview-body img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  height: auto;
  display: block;
}
/* 章节区样式：版本矩阵与状态对照 */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  margin-bottom: 80px;
}
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  text-align: center;
  font-size: 30px;
  font-weight: 700;
  color: var(--aisitex-text);
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}
.aisitex-section-subtitle:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  text-align: center;
  font-size: 16px;
  color: var(--aisitex-text-light);
  max-width: 640px;
  margin: 0 auto 48px;
}
/* 平台版本选择卡片网格 */
.aisitex-platforms-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: var(--aisitex-card-bg);
  border: 1px solid var(--aisitex-border);
  border-radius: 16px;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.02);
  transition: transform 0.2s, box-shadow 0.2s;
}
.aisitex-platform-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
  border-color: var(--aisitex-primary);
}
.aisitex-platform-icon:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 48px;
  height: 48px;
  background: rgba(41, 98, 255, 0.08);
  color: var(--aisitex-primary);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 20px;
}
.aisitex-platform-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
  color: var(--aisitex-text);
}
.aisitex-platform-info p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 14px;
  color: var(--aisitex-text-light);
  margin-bottom: 24px;
}
.aisitex-platform-meta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 13px;
  color: var(--aisitex-secondary);
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}
/* 前后状态对照区 */
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  background: #FFFFFF;
  border: 1px solid var(--aisitex-border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}
.aisitex-compare-col h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 18px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.aisitex-compare-col.web h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ color: var(--aisitex-text-light); }
.aisitex-compare-col.desktop h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){ color: var(--aisitex-primary); }
.aisitex-compare-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.aisitex-compare-list li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 15px;
  color: var(--aisitex-text);
  padding-left: 24px;
  position: relative;
}
.aisitex-compare-list li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}
.aisitex-compare-col.web li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before { background: #CBD5E1; }
.aisitex-compare-col.desktop li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before { background: var(--aisitex-secondary); }
/* 常见准备事项/QA区 */
.aisitex-faq-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.aisitex-faq-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: #FFFFFF;
  border: 1px solid var(--aisitex-border);
  border-radius: 12px;
  padding: 24px;
}
.aisitex-faq-card h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 16px;
  font-weight: 600;
  color: var(--aisitex-text);
  margin-bottom: 8px;
}
.aisitex-faq-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 14px;
  color: var(--aisitex-text-light);
  line-height: 1.5;
}
/* 页脚样式 */
/* 响应式断点适配 */
@media (max-width: 968px) {.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
    gap: 40px;
  }
.aisitex-platforms-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
  }
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
    padding: 24px;
  }
.aisitex-faq-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
  }}
@media (max-width: 768px) {.aisitex-nav-menu.active: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: 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;
            }}