:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #002B49;
    --aisitex-action: #0052CC;
    --aisitex-neutral-bg: #F4F6F9;
    --aisitex-text-main: #1A202C;
    --aisitex-text-muted: #4A5568;
    --aisitex-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --aisitex-border: #E2E8F0;
    --aisitex-white: #FFFFFF;
}
*: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: var(--aisitex-font);
    background-color: var(--aisitex-neutral-bg);
    color: var(--aisitex-text-main);
    line-height: 1.6;
}
/* 导航栏复用首页风格 */
/* 移动端菜单样式适配 */
@media (max-width: 768px) {.aisitex-header nav.is-open:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }}
body.nav-open:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    overflow: hidden;
}
/* 页面主体架构 */
.aisitex-main-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    padding: 48px 24px 80px;
}
/* 首屏分层横向信息带与产品主张 */
.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-white);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    margin-bottom: 48px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}
.aisitex-hero-text h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--aisitex-primary);
    line-height: 1.2;
    margin-bottom: 16px;
}
.aisitex-hero-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.05rem;
    color: var(--aisitex-text-muted);
    margin-bottom: 24px;
}
.aisitex-hero-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    background-color: rgba(0, 82, 204, 0.1);
    color: var(--aisitex-action);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 6px 12px;
    border-radius: 6px;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.aisitex-hero-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
    object-fit: cover;
}
/* 下载矩阵区块 (Download Matrix) */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 64px;
}
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 32px;
}
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--aisitex-primary);
    margin-bottom: 8px;
}
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 1rem;
}
.aisitex-matrix-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 24px;
}
.aisitex-matrix-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-white);
    border-radius: 12px;
    padding: 32px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    border: 1px solid var(--aisitex-border);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.aisitex-matrix-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-2px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08);
}
.aisitex-matrix-info h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--aisitex-primary);
    margin-bottom: 8px;
}
.aisitex-version-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    color: #2F855A;
    background-color: #F0FFF4;
    padding: 3px 8px;
    border-radius: 4px;
    margin-bottom: 12px;
}
.aisitex-matrix-info p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 0.95rem;
    margin-bottom: 24px;
}
.aisitex-download-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    background-color: var(--aisitex-action);
    color: var(--aisitex-white);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 12px 24px;
    border-radius: 6px;
    text-decoration: none;
    transition: background-color 0.2s ease;
    border: none;
    cursor: pointer;
}
.aisitex-download-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: #0040A5;
}
/* 安装与支持指南区块 (Installation & Verification Support) */
.aisitex-support-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    background: var(--aisitex-white);
    border-radius: 16px;
    padding: 48px;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    border: 1px solid var(--aisitex-border);
}
.aisitex-support-checklist:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.aisitex-check-item h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--aisitex-primary);
    margin-bottom: 6px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.aisitex-check-item h4:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
    content: "";
    display: inline-block;
    width: 8px;
    height: 8px;
    background-color: var(--aisitex-action);
    border-radius: 50%;
}
.aisitex-check-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 0.95rem;
    padding-left: 16px;
}
.aisitex-support-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
/* 页脚样式 */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
/* 响应式媒体断点 */
@media (max-width: 968px) {.aisitex-download-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-support-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 32px;
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1A202C;
}

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

.aisitex-header{
            background-color: #FFFFFF;
            border-bottom: 1px solid #E2E8F0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1280px;
            margin: 0 auto;
            padding: 1rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 0.75rem;
            text-decoration: none;
            color: #002B49;
            font-weight: 700;
            font-size: 1.25rem;
        }

.aisitex-header .aisitex-brand-logo{
            height: 28px;
            width: auto;
        }

.aisitex-header nav{
            display: flex;
            align-items: center;
            gap: 2rem;
        }

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #4A5568;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.2s ease;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0052CC;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #002B49;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 768px){.aisitex-header nav{
                display: none;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #1A202C;
}

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

.aisitex-footer{
            background-color: #002B49;
            color: #FFFFFF;
            padding: 4rem 2rem 2rem 2rem;
            margin-top: 4rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

.aisitex-footer .aisitex-footer-brand p{
            color: #A0AEC0;
            margin-top: 1rem;
            max-width: 400px;
            font-size: 0.95rem;
        }

.aisitex-footer .aisitex-footer-links h4{
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 1.25rem;
            color: #FFFFFF;
        }

.aisitex-footer .aisitex-footer-links ul{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

.aisitex-footer .aisitex-footer-links a{
            color: #A0AEC0;
            text-decoration: none;
            font-size: 0.95rem;
            transition: color 0.2s;
        }

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

.aisitex-footer .aisitex-footer-bottom{
            max-width: 1280px;
            margin: 2rem auto 0 auto;
            text-align: center;
            color: #718096;
            font-size: 0.875rem;
        }

@media (max-width: 768px){.aisitex-footer .aisitex-footer-container{
                grid-template-columns: 1fr;
                gap: 2rem;
            }}