:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #0B0E14;
            --aisitex-surface: #131822;
            --aisitex-surface-hover: #1A2230;
            --aisitex-primary: #0052D9;
            --aisitex-primary-hover: #1677FF;
            --aisitex-text: #F0F2F5;
            --aisitex-text-secondary: #94A3B8;
            --aisitex-text-muted: #64748B;
            --aisitex-accent: #00B42A;
            --aisitex-max-width: 1200px;
            --aisitex-border: #1E293B;
        }
*: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;
        }
/* 复用首页导航栏样式 */
/* 正文区域样式 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding-top: 120px;
            padding-bottom: 80px;
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }
/* 平台状态带首屏 */
.aisitex-faq-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-surface);
            border: 1px solid var(--aisitex-border);
            border-radius: 20px;
            padding: 48px;
            margin-bottom: 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-secondary);
            font-size: 16px;
            max-width: 650px;
            margin-bottom: 24px;
        }
.aisitex-status-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 180, 42, 0.1);
            color: var(--aisitex-accent);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }
.aisitex-status-dot:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 8px;
            height: 8px;
            background-color: var(--aisitex-accent);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--aisitex-accent);
        }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
        }
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #fff;
            padding: 12px 24px;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 600;
            font-size: 14px;
            transition: background 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
.aisitex-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-hover);
        }
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-surface-hover);
            color: var(--aisitex-text);
            border: 1px solid var(--aisitex-border);
        }
.aisitex-btn-secondary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-border);
        }
/* 章节通用样式 */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 56px;
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 24px;
        }
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 24px;
            font-weight: 600;
            margin-bottom: 8px;
        }
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-secondary);
            font-size: 15px;
        }
/* 问答折叠区 */
.aisitex-faq-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }
.aisitex-faq-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-surface);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            padding: 24px;
            transition: border-color 0.2s;
        }
.aisitex-faq-item:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: var(--aisitex-primary);
        }
.aisitex-faq-q:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--aisitex-text);
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }
.aisitex-faq-q:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
            content: "Q";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            background: rgba(0, 82, 217, 0.2);
            color: var(--aisitex-primary-hover);
            border-radius: 6px;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }
.aisitex-faq-a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-secondary);
            font-size: 15px;
            padding-left: 36px;
            line-height: 1.7;
        }
/* 双列对照布局（带有图片配图） */
.aisitex-split-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
            background: var(--aisitex-surface);
            border: 1px solid var(--aisitex-border);
            border-radius: 20px;
            padding: 32px;
        }
.aisitex-split-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-split-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: 12px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
        }
/* 页脚 */
.aisitex-footer-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: center;
            gap: 24px;
            margin-bottom: 16px;
        }
.aisitex-footer-links a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-secondary);
            text-decoration: none;
        }
.aisitex-footer-links a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-primary-hover);
        }
/* 响应式断点 */
@media (max-width: 900px) {.aisitex-faq-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-split-layout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F0F2F5;
}

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

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background-color: rgba(11, 14, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #212C3D;
            z-index: 1000;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-header-inner{
            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;
            text-decoration: none;
            color: #F0F2F5;
            font-weight: 700;
            font-size: 20px;
        }

.aisitex-header .aisitex-brand img{
            width: 36px;
            height: 36px;
            border-radius: 8px;
            object-fit: contain;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #94A3B8;
            font-size: 15px;
            font-weight: 500;
            transition: color 0.2s;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #F0F2F5;
        }

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

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -24px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #1677FF;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 32px;
            height: 32px;
            flex-direction: column;
            justify-content: center;
            gap: 6px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 100%;
            height: 2px;
            background-color: #F0F2F5;
            transition: 0.3s;
        }

@media (max-width: 960px){.aisitex-header .aisitex-nav{
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #131822;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #212C3D;
                gap: 16px;
                align-items: flex-start;
            }

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

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

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

.aisitex-header .aisitex-nav-link.active::after{
                display: none;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F0F2F5;
}

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

.aisitex-footer{
            border-top: 1px solid #212C3D;
            padding: 64px 24px 32px;
            background-color: #131822;
        }

.aisitex-footer .aisitex-footer-inner{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-nav{
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
        }

.aisitex-footer .aisitex-footer-nav a{
            color: #94A3B8;
            text-decoration: none;
            font-size: 14px;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-nav a:hover{
            color: #F0F2F5;
        }

.aisitex-footer .aisitex-footer-copy{
            color: #64748B;
            font-size: 13px;
            border-top: 1px solid #212C3D;
            padding-top: 24px;
        }