:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #0B0F19;
            --aisitex-primary: #0052D9;
            --aisitex-primary-hover: #1a64e8;
            --aisitex-secondary: #00A870;
            --aisitex-text: #F3F4F6;
            --aisitex-text-muted: #94A3B8;
            --aisitex-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --aisitex-panel-bg: #131B2E;
            --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 *)){
            background-color: var(--aisitex-bg);
            color: var(--aisitex-text);
            font-family: var(--aisitex-font);
            line-height: 1.6;
            overflow-x: hidden;
        }
/* 导航栏样式复用自首页家族 */
/* 主体布局与网格背景 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-top: 72px;
            background-image: linear-gradient(to right, rgba(30, 41, 59, 0.15) 1px, transparent 1px),
                              linear-gradient(to bottom, rgba(30, 41, 59, 0.15) 1px, transparent 1px);
            background-size: 40px 40px;
            min-height: calc(100vh - 72px);
            padding-bottom: 80px;
        }
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
/* 错位编辑式首屏 */
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 64px 0 48px;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
.aisitex-status-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 82, 217, 0.15);
            border: 1px solid rgba(0, 82, 217, 0.4);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            color: #60a5fa;
            width: fit-content;
        }
.aisitex-status-dot:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 8px;
            height: 8px;
            background-color: var(--aisitex-primary);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--aisitex-primary);
        }
h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            color: #ffffff;
            letter-spacing: -0.5px;
        }
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
            max-width: 520px;
            line-height: 1.7;
        }
.aisitex-hero-actions:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 16px;
            margin-top: 8px;
        }
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 15px;
            text-decoration: none;
            transition: all 0.2s ease;
            cursor: pointer;
        }
.aisitex-btn-primary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(0, 82, 217, 0.4);
            border: none;
        }
.aisitex-btn-primary:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-hover);
            transform: translateY(-1px);
        }
.aisitex-btn-secondary:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: rgba(255, 255, 255, 0.05);
            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: rgba(255, 255, 255, 0.1);
        }
.aisitex-hero-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            position: relative;
            background: var(--aisitex-panel-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.5);
        }
.aisitex-hero-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            opacity: 0.9;
        }
/* 纵向路径连接区块 (Process Guide) */
.aisitex-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-top: 80px;
        }
.aisitex-section-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
.aisitex-section-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 30px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
.aisitex-section-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 15px;
            color: var(--aisitex-text-muted);
        }
.aisitex-process-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-steps-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
.aisitex-step-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-panel-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 24px;
            position: relative;
            transition: border-color 0.2s;
        }
.aisitex-step-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: rgba(0, 82, 217, 0.5);
        }
.aisitex-step-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            font-weight: 600;
            color: var(--aisitex-primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 6px;
            display: inline-block;
        }
.aisitex-step-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }
.aisitex-step-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
.aisitex-process-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-panel-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 32px rgba(0,0,0,0.4);
        }
.aisitex-process-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
        }
/* 品牌实力与线下服务支持区块 (Brand Strength) */
.aisitex-strength-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
.aisitex-strength-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-panel-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 16px 32px rgba(0,0,0,0.4);
            order: 1;
        }
.aisitex-strength-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            height: auto;
            display: block;
        }
.aisitex-strength-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 24px;
            order: 2;
        }
.aisitex-strength-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-panel-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 24px;
        }
.aisitex-strength-item h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
        }
.aisitex-strength-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
/* 页脚 */
/* 响应式断点 */
@media (max-width: 968px) {.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-process-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-strength-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 32px;
            }
.aisitex-strength-image:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                order: 2;
            }
.aisitex-strength-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                order: 1;
            }
h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 32px;
            }
.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F3F4F6;
}

.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, 15, 25, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #1E293B;
            z-index: 1000;
            display: flex;
            align-items: center;
        }

.aisitex-header .aisitex-nav-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: 12px;
            text-decoration: none;
            color: #F3F4F6;
            font-weight: 700;
            font-size: 1.2rem;
        }

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

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #94A3B8;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s;
            position: relative;
            padding: 6px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #F3F4F6;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0052D9;
            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-color: #F3F4F6;
            margin: 5px 0;
            transition: 0.3s;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #0B0F19;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #1E293B;
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

.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: #F3F4F6;
}

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

.aisitex-footer{
            border-top: 1px solid #1E293B;
            background-color: #070a12;
            padding: 48px 24px;
            text-align: center;
            color: #94A3B8;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
            align-items: center;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #F3F4F6;
        }