:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #FFFFFF;
            --aisitex-text: #37352F;
            --aisitex-secondary: #2F3437;
            --aisitex-accent: #000000;
            --aisitex-warm-bg: #F7F6F3;
            --aisitex-border: #E9E9E7;
            --aisitex-max-width: 1200px;
        }
*: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", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            line-height: 1.5;
            -webkit-font-smoothing: antialiased;
        }
/* 复用首页导航栏样式 */
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-accent);
            color: #fff;
            padding: 8px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.2s;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.85;
        }
/* 移动端菜单遮罩 */
.aisitex-nav-overlay:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.4);
            z-index: 999;
        }
/* 正文区域统一样式 */
main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
/* 首屏区块：非对称平衡 + 杂志式编号 */
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
            padding: 80px 0 100px;
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
.aisitex-section-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: #787774;
            background: var(--aisitex-warm-bg);
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 20px;
        }
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--aisitex-accent);
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 17px;
            color: var(--aisitex-secondary);
            line-height: 1.6;
            margin-bottom: 32px;
        }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
        }
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-warm-bg);
            color: var(--aisitex-text);
            padding: 8px 16px;
            border-radius: 6px;
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            border: 1px solid var(--aisitex-border);
            transition: background 0.2s;
        }
.aisitex-btn-secondary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #EBEAEA;
        }
.aisitex-hero-image-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            background: var(--aisitex-warm-bg);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 12px 32px rgba(0,0,0,0.06);
            border: 1px solid var(--aisitex-border);
        }
.aisitex-hero-image-wrapper img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
/* 任务分段与局部全宽色带 */
.aisitex-band-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-warm-bg);
            margin: 0 -24px;
            padding: 80px 24px;
            border-top: 1px solid var(--aisitex-border);
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 700px;
            margin-bottom: 48px;
        }
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 32px;
            font-weight: 700;
            color: var(--aisitex-accent);
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
.aisitex-section-summary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-secondary);
            line-height: 1.6;
        }
/* 步骤网格与卡片 */
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
.aisitex-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.2s, box-shadow 0.2s;
        }
.aisitex-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0,0,0,0.06);
        }
.aisitex-card-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 8px;
            margin-bottom: 16px;
            border: 1px solid var(--aisitex-border);
        }
.aisitex-card-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: var(--aisitex-accent);
            margin-bottom: 8px;
        }
.aisitex-card-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-secondary);
            line-height: 1.5;
        }
/* 决策顺序引导区块：详细拆解 */
.aisitex-decision-flow:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 100px 0;
        }
.aisitex-flow-row:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            margin-bottom: 80px;
        }
.aisitex-flow-row:last-child:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 0;
        }
.aisitex-flow-row.reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            direction: rtl;
        }
.aisitex-flow-row.reverse > *:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            direction: ltr;
        }
.aisitex-flow-text h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 26px;
            font-weight: 600;
            color: var(--aisitex-accent);
            margin-bottom: 16px;
        }
.aisitex-flow-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-secondary);
            line-height: 1.6;
            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: 10px;
            font-size: 14px;
            font-weight: 500;
            color: var(--aisitex-text);
        }
.aisitex-checklist li svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 16px;
            height: 16px;
            flex-shrink: 0;
            fill: #000;
        }
.aisitex-flow-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-warm-bg);
            border-radius: 12px;
            padding: 12px;
            border: 1px solid var(--aisitex-border);
            box-shadow: 0 8px 24px rgba(0,0,0,0.04);
        }
.aisitex-flow-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            border-radius: 8px;
            display: block;
        }
/* 页脚 */
.aisitex-footer-inner:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: var(--aisitex-max-width);
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
.aisitex-footer-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 20px;
        }
.aisitex-footer-links a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-secondary);
            text-decoration: none;
        }
.aisitex-footer-links a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-accent);
        }
/* 响应式断点适配 */
@media (max-width: 968px) {.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 40px;
                padding: 40px 0 60px;
            }
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-flow-row:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-flow-row.reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                direction: ltr;
                gap: 32px;
                margin-bottom: 60px;
            }
.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }
.aisitex-nav-overlay.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: block;
            }
.aisitex-footer-inner:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                flex-direction: column;
                gap: 16px;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.5;
    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: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid rgba(55, 53, 47, 0.09);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            z-index: 1000;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 18px;
            letter-spacing: -0.3px;
        }

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

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

.aisitex-header .aisitex-nav-menu{
            display: flex;
            gap: 24px;
            align-items: center;
        }

.aisitex-header .aisitex-nav-link{
            font-size: 14px;
            font-weight: 500;
            color: #2F3437;
            padding: 6px 12px;
            border-radius: 4px;
            transition: background 0.2s, color 0.2s;
        }

.aisitex-header .aisitex-nav-link:hover{
            background-color: rgba(55, 53, 47, 0.06);
            color: #000000;
        }

.aisitex-header .aisitex-nav-link.active{
            color: #000000;
            background-color: rgba(55, 53, 47, 0.06);
            font-weight: 600;
        }

.aisitex-header .aisitex-header-actions{
            display: flex;
            gap: 12px;
            align-items: center;
        }

.aisitex-header .aisitex-btn-primary{
            background-color: #000000;
            color: #fff;
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 14px;
            font-weight: 500;
            transition: opacity 0.2s;
        }

.aisitex-header .aisitex-btn-primary:hover{
            opacity: 0.85;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 20px;
            height: 2px;
            background: #37352F;
            margin: 4px 0;
            transition: 0.3s;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu, .aisitex-header .aisitex-header-actions .aisitex-btn-primary{
                display: none;
            }

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

.aisitex-header .aisitex-nav-menu.active{
                display: flex;
                flex-direction: column;
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 24px;
                border-bottom: 1px solid rgba(55, 53, 47, 0.09);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                z-index: 999;
            }

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.5;
    color: #37352F;
}

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 18px;
            letter-spacing: -0.3px;
        }

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

.aisitex-footer .aisitex-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 32px;
        }

.aisitex-footer{
            border-top: 1px solid rgba(55, 53, 47, 0.09);
            padding: 48px 0;
            background-color: #F7F6F3;
            font-size: 14px;
            color: #2F3437;
        }

.aisitex-footer .aisitex-footer-content{
            display: flex;
            justify-content: space-between;
            align-items: center;
        }