:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-bg: #0A0E17;
    --aisitex-surface: #121826;
    --aisitex-surface-hover: #1A2338;
    --aisitex-primary: #0090FF;
    --aisitex-primary-hover: #33A4FF;
    --aisitex-text: #F3F4F6;
    --aisitex-text-muted: #9CA3AF;
    --aisitex-border: #1E293B;
    --aisitex-radius: 8px;
    --aisitex-radius-lg: 12px;
}
*: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: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}
/* 导航栏复用与壳层规范 */
/* 主容器 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 24px 80px;
}
/* 首屏横向信息带 */
.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: var(--aisitex-radius-lg);
    padding: 48px;
    margin-bottom: 48px;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
    color: var(--aisitex-text);
}
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 1.1rem;
    margin-bottom: 24px;
}
.aisitex-badge-row:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.aisitex-meta-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: rgba(0, 144, 255, 0.1);
    color: var(--aisitex-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(0, 144, 255, 0.2);
}
.aisitex-hero-visual:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    position: relative;
    border-radius: var(--aisitex-radius);
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
    border: 1px solid var(--aisitex-border);
}
.aisitex-hero-visual img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    display: block;
}
/* 正文章节区块 */
.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: 1.8rem;
    font-weight: 700;
    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;
}
/* 图文对照区 */
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: center;
    background: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: var(--aisitex-radius-lg);
    padding: 32px;
    margin-bottom: 24px;
}
.aisitex-compare-grid.reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr 1fr;
}
.aisitex-compare-content h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--aisitex-text);
}
.aisitex-compare-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: 20px;
}
.aisitex-feature-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    list-style: none;
}
.aisitex-feature-list li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    position: relative;
    padding-left: 20px;
    margin-bottom: 8px;
    color: var(--aisitex-text-muted);
    font-size: 0.9rem;
}
.aisitex-feature-list li:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::before {
    content: "";
    position: absolute;
    left: 0;
    top: 8px;
    width: 6px;
    height: 6px;
    background-color: var(--aisitex-primary);
    border-radius: 50%;
}
.aisitex-compare-media:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    border-radius: var(--aisitex-radius);
    overflow: hidden;
    border: 1px solid var(--aisitex-border);
    background: #000;
}
.aisitex-compare-media img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    display: block;
}
/* 底部操作行动带 */
.aisitex-action-band:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: linear-gradient(135deg, var(--aisitex-surface) 0%, #1A2338 100%);
    border: 1px solid var(--aisitex-border);
    border-radius: var(--aisitex-radius-lg);
    padding: 48px;
    text-align: center;
    margin-top: 64px;
}
.aisitex-action-band h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.8rem;
    margin-bottom: 12px;
}
.aisitex-action-band p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    max-width: 600px;
    margin: 0 auto 24px;
}
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--aisitex-primary);
    color: #fff;
    padding: 12px 32px;
    border-radius: var(--aisitex-radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.aisitex-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-primary-hover);
    transform: translateY(-2px);
}
/* 页脚 */
/* 响应式断点 */
@media (max-width: 968px) {.aisitex-guide-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 32px;
    }
.aisitex-compare-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-compare-grid.reverse:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }}
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        display: flex;
    }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 2rem;
    }}

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

.aisitex-header, .aisitex-header *{
            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-color: rgba(10, 14, 23, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #1F293D;
            height: 72px;
            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;
            font-weight: 700;
            font-size: 20px;
            letter-spacing: -0.5px;
        }

.aisitex-header .aisitex-brand img{
            height: 32px;
            width: auto;
        }

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

.aisitex-header .aisitex-nav-link{
            font-size: 14px;
            color: #9CA3AF;
            transition: all 0.25s ease;
            font-weight: 500;
            position: relative;
        }

.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: -22px;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #0090FF;
        }

.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: all 0.25s ease;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background-color: #121826;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #1F293D;
                transform: translateY(-100%);
                opacity: 0;
                transition: all 0.25s ease;
                pointer-events: none;
                gap: 16px;
                align-items: flex-start;
            }

.aisitex-header .aisitex-nav-menu.active{
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

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

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

.aisitex-header .aisitex-menu-toggle.active span:nth-child(1){
                transform: translateY(7px) rotate(45deg);
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(2){
                opacity: 0;
            }

.aisitex-header .aisitex-menu-toggle.active span:nth-child(3){
                transform: translateY(-7px) rotate(-45deg);
            }

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

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

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

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

.aisitex-footer{
            border-top: 1px solid #1F293D;
            background-color: #121826;
            padding: 48px 0;
            margin-top: 80px;
            color: #9CA3AF;
            font-size: 14px;
        }

.aisitex-footer .aisitex-footer-content{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 24px;
            align-items: center;
            text-align: center;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #9CA3AF;
            transition: all 0.25s ease;
        }

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