:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-bg: #ffffff;
    --aisitex-surface: #f7f6f3;
    --aisitex-surface-hover: #efeeea;
    --aisitex-text: #37352f;
    --aisitex-text-light: #787774;
    --aisitex-primary: #2383e2;
    --aisitex-primary-hover: #1b6ac9;
    --aisitex-primary-text: #ffffff;
    --aisitex-accent: #ff5c5c;
    --aisitex-radius-sm: 6px;
    --aisitex-radius-md: 12px;
    --aisitex-radius-lg: 20px;
    --aisitex-border: rgba(55, 53, 47, 0.09);
}
*:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)),  *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before,  *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
    box-sizing: border-box;
}
body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    background-color: var(--aisitex-bg);
    color: var(--aisitex-text);
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
}
/* 导航栏复用结构样式 */
/* 正文局部组件样式 */
.aisitex-download-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1000px;
    margin: 0 auto;
    padding: 4rem 1.5rem 6rem;
}
/* 首屏获取区 */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    text-align: center;
    margin-bottom: 4rem;
}
.aisitex-badge-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    padding: 0.35rem 0.85rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--aisitex-text-light);
    margin-bottom: 1.5rem;
}
.aisitex-download-hero h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--aisitex-text);
    margin: 0 0 1rem;
    line-height: 1.2;
}
.aisitex-download-hero p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.15rem;
    color: var(--aisitex-text-light);
    max-width: 640px;
    margin: 0 auto;
    line-height: 1.6;
}
/* 平台卡片网格区 */
.aisitex-platforms-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 5rem;
}
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 2rem;
}
.aisitex-section-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--aisitex-primary);
    font-weight: 600;
    display: block;
    margin-bottom: 0.5rem;
}
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--aisitex-text);
    margin: 0 0 0.5rem;
    letter-spacing: -0.01em;
}
.aisitex-section-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-light);
    font-size: 1rem;
    margin: 0;
}
.aisitex-platforms-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    border-radius: var(--aisitex-radius-lg);
    padding: 2.5rem 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    border: 1px solid var(--aisitex-border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.aisitex-platform-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.05);
}
.aisitex-platform-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.4rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--aisitex-text);
}
.aisitex-platform-req:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.9rem;
    color: var(--aisitex-text-light);
    margin: 0 0 2rem;
}
.aisitex-download-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--aisitex-primary);
    color: var(--aisitex-primary-text);
    padding: 0.8rem 1.5rem;
    border-radius: var(--aisitex-radius-sm);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: background-color 0.15s;
    border: none;
    cursor: pointer;
    width: 100%;
}
.aisitex-download-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-primary-hover);
}
/* 安装提示与使用说明区 */
.aisitex-notes-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    border-radius: var(--aisitex-radius-lg);
    padding: 3rem 2.5rem;
    border: 1px solid var(--aisitex-border);
}
.aisitex-notes-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}
.aisitex-note-item h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: var(--aisitex-text);
}
.aisitex-note-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.95rem;
    color: var(--aisitex-text-light);
    margin: 0;
    line-height: 1.6;
}
/* 页脚样式 */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1140px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}
/* 响应式断点控制 */
@media (max-width: 768px) {.aisitex-nav.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }
.aisitex-download-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 2.5rem 1rem 4rem;
    }
.aisitex-platform-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 2rem 1.5rem;
    }
.aisitex-notes-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 2rem 1.5rem;
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    line-height: 1.6;
    color: #37352f;
}

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

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid #e9e9e7;
            height: 64px;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-header-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: 10px;
            font-weight: 700;
            font-size: 1.15rem;
        }

.aisitex-header .aisitex-brand img{
            width: 28px;
            height: 28px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 0.95rem;
            color: #787774;
            transition: color 0.2s ease;
            font-weight: 500;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #37352f;
        }

.aisitex-header .aisitex-nav-link.active{
            position: relative;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #37352f;
            border-radius: 2px;
        }

.aisitex-header .aisitex-header-cta{
            background-color: #37352f;
            color: #ffffff;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background 0.2s ease;
        }

.aisitex-header .aisitex-header-cta:hover{
            background-color: #000000;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #37352f;
            margin: 5px 0;
            transition: 0.3s;
        }

.aisitex-header .aisitex-mockup-menu-item.active{
            background: #f7f6f3;
            color: #37352f;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav{
                display: none;
                position: fixed;
                top: 64px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #e9e9e7;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                gap: 16px;
                align-items: flex-start;
            }

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

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

.aisitex-header .aisitex-header-cta{
                display: none;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif;
    line-height: 1.6;
    color: #37352f;
}

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

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

.aisitex-footer{
            border-top: 1px solid #e9e9e7;
            padding: 40px 24px;
            background: #ffffff;
            color: #787774;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

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

.aisitex-footer .aisitex-footer-links a:hover{
            color: #37352f;
        }