/* 共享核心变量与基础样式 */
:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #FF7139;
    --aisitex-secondary: #0060DF;
    --aisitex-bg: #F9F9FB;
    --aisitex-text: #15141A;
    --aisitex-surface: #FFFFFF;
    --aisitex-max-width: 1200px;
    --aisitex-border: #E1E1E6;
    --aisitex-muted: #57565D;
}
*: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;
    overflow-x: hidden;
}
/* 导航栏复用 */
/* 页面特有正文样式：编辑出版风格 (Editorial & Clean Tech) */
.aisitex-privacy-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: var(--aisitex-max-width);
    margin: 0 auto;
    padding: 64px 24px 96px;
}
/* 首屏视觉舞台 */
.aisitex-privacy-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 64px;
    align-items: center;
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 28px;
    padding: 64px;
    margin-bottom: 64px;
    box-shadow: 0 12px 32px rgba(21, 20, 26, 0.04);
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: clamp(2.2rem, 4vw, 3.2rem);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
    color: var(--aisitex-text);
    margin-bottom: 24px;
}
.aisitex-hero-content h1 span:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
}
.aisitex-hero-lead:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.15rem;
    color: var(--aisitex-muted);
    line-height: 1.7;
    margin-bottom: 36px;
}
.aisitex-hero-steps:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-left: 2px solid var(--aisitex-border);
    padding-left: 20px;
}
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.95rem;
    color: var(--aisitex-muted);
}
.aisitex-step-item strong:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text);
    display: block;
    margin-bottom: 2px;
}
/* 右侧深色舞台区 */
.aisitex-hero-stage:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #15141A;
    border-radius: 20px;
    padding: 40px;
    color: white;
    box-shadow: 0 20px 40px rgba(21, 20, 26, 0.15);
    position: relative;
    overflow: hidden;
}
.aisitex-stage-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    background: rgba(255, 113, 57, 0.15);
    color: var(--aisitex-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 113, 57, 0.3);
}
.aisitex-stage-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.4;
}
.aisitex-stage-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: #9E9EA7;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 32px;
}
.aisitex-stage-metrics:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
}
.aisitex-metric-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.8rem;
    font-weight: 800;
    color: #FFF;
    margin-bottom: 4px;
}
.aisitex-metric-label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.85rem;
    color: #9E9EA7;
}
/* 核心防线区块 (三栏交错流式排版) */
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    text-align: center;
    max-width: 700px;
    margin: 0 auto 48px;
}
.aisitex-section-title h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    margin-bottom: 16px;
}
.aisitex-section-title p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-muted);
    font-size: 1.05rem;
}
.aisitex-mechanisms-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}
.aisitex-mechanism-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 20px;
    padding: 40px 32px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.aisitex-mechanism-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-4px);
    box-shadow: 0 16px 32px rgba(21, 20, 26, 0.06);
    border-color: #D1D1D8;
}
.aisitex-card-icon:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 48px;
    height: 48px;
    background: rgba(0, 96, 223, 0.08);
    color: var(--aisitex-secondary);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}
.aisitex-mechanism-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--aisitex-text);
}
.aisitex-mechanism-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}
/* 对照与底线倡议区 */
.aisitex-comparison-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 24px;
    padding: 56px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    margin-bottom: 80px;
}
.aisitex-comparison-content h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.3;
}
.aisitex-comparison-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-muted);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 24px;
}
.aisitex-checklist:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.aisitex-checklist li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: var(--aisitex-text);
}
.aisitex-checklist svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    flex-shrink: 0;
    color: var(--aisitex-primary);
}
.aisitex-comparison-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #F2F2F5;
    border-radius: 16px;
    padding: 32px;
    border: 1px dashed var(--aisitex-border);
}
.aisitex-visual-quote:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-style: italic;
    color: var(--aisitex-muted);
    font-size: 1.05rem;
    line-height: 1.6;
    margin-bottom: 16px;
}
.aisitex-visual-author:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-weight: 700;
    font-size: 0.9rem;
    color: var(--aisitex-text);
}
/* 行动获取区 (CTA) */
.aisitex-privacy-cta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: linear-gradient(135deg, #15141A 0%, #2A2933 100%);
    border-radius: 24px;
    padding: 64px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}
.aisitex-privacy-cta h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 16px;
}
.aisitex-privacy-cta p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: #9E9EA7;
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.6;
}
.aisitex-cta-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: var(--aisitex-primary);
    color: white;
    padding: 16px 36px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 1.05rem;
    text-decoration: none;
    box-shadow: 0 4px 14px rgba(255, 113, 57, 0.4);
    transition: transform 0.2s ease, background 0.2s ease;
}
.aisitex-cta-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-2px);
    background: #E85F28;
}
/* 响应式断点控制 */
@media (max-width: 1024px) {.aisitex-privacy-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 40px;
        gap: 40px;
    }
.aisitex-mechanisms-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        gap: 20px;
    }
.aisitex-comparison-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 40px;
        gap: 32px;
    }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }
.aisitex-privacy-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 32px 16px 64px;
    }
.aisitex-privacy-cta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 40px 24px;
    }
.aisitex-privacy-cta h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 1.8rem;
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #15141A;
}

.aisitex-header, .aisitex-header *, .aisitex-header::before, .aisitex-header *::before, .aisitex-header::after, .aisitex-header *::after{
            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(249, 249, 251, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #EFEFF3;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            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: 1.125rem;
            letter-spacing: -0.01em;
        }

.aisitex-header .aisitex-brand-logo{
            width: 32px;
            height: 32px;
            background: #FF7139;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 900;
            font-size: 1.1rem;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 0.9375rem;
            font-weight: 500;
            color: #55535C;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
            padding: 4px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #15141A;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background: #FF7139;
            border-radius: 2px;
        }

.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: #15141A;
            margin: 5px 0;
            transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid #E1E1E6;
                transform: translateY(-120%);
                transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
                z-index: 99;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #15141A;
}

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

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

.aisitex-footer{
            border-top: 1px solid #EFEFF3;
            background: #FFFFFF;
            padding: 40px 24px;
            text-align: center;
            font-size: 0.875rem;
            color: #8E8D96;
        }

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

@media (max-width: 968px){.aisitex-footer .aisitex-footer-content{
                flex-direction: column;
                gap: 16px;
            }}