: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-card-bg: #131B2E;
            --aisitex-border: #1E293B;
            --aisitex-error: #EF4444;
        }
*: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;
        }
/* 复用导航栏样式 */
/* 正文区域统一样式 */
.aisitex-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding-top: 120px;
            padding-bottom: 80px;
            min-height: calc(100vh - 100px);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            background-image: linear-gradient(rgba(0, 82, 217, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(0, 82, 217, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
        }
.aisitex-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
/* 账号体验专区布局 */
.aisitex-account-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px auto;
        }
.aisitex-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background-color: rgba(0, 82, 217, 0.12);
            border: 1px solid rgba(0, 82, 217, 0.3);
            border-radius: 20px;
            font-size: 13px;
            color: #60a5fa;
            margin-bottom: 20px;
            font-weight: 500;
        }
.aisitex-account-hero h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            color: #ffffff;
            line-height: 1.25;
        }
.aisitex-account-hero p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 16px;
            line-height: 1.6;
        }
/* 交互表单核心卡片 */
.aisitex-account-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-card-bg);
            border: 1px solid var(--aisitex-border);
            border-radius: 16px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
            width: 100%;
            max-width: 480px;
            margin: 0 auto;
            overflow: hidden;
            position: relative;
        }
/* Tab 切换头部 */
.aisitex-tab-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            background-color: rgba(0, 0, 0, 0.2);
            border-bottom: 1px solid var(--aisitex-border);
        }
.aisitex-tab-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: none;
            border: none;
            padding: 18px 0;
            font-size: 15px;
            font-weight: 600;
            color: var(--aisitex-text-muted);
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
        }
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: #ffffff;
            background-color: var(--aisitex-card-bg);
        }
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--aisitex-primary);
        }
/* 表单主体内容区 */
.aisitex-form-body:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 32px;
        }
.aisitex-form-group:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 20px;
        }
.aisitex-form-label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--aisitex-text-muted);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
.aisitex-input:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            background-color: #0B0F19;
            border: 1px solid var(--aisitex-border);
            border-radius: 8px;
            padding: 12px 16px;
            color: #ffffff;
            font-size: 15px;
            transition: all 0.2s ease;
            outline: none;
        }
.aisitex-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: var(--aisitex-primary);
            box-shadow: 0 0 0 3px rgba(0, 82, 217, 0.2);
        }
.aisitex-notice:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            color: var(--aisitex-text-muted);
            background-color: rgba(255, 255, 255, 0.02);
            border-left: 3px solid var(--aisitex-secondary);
            padding: 10px 14px;
            border-radius: 0 8px 8px 0;
            margin-bottom: 24px;
            line-height: 1.5;
        }
.aisitex-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            background-color: var(--aisitex-primary);
            color: #ffffff;
            border: none;
            border-radius: 8px;
            padding: 14px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(0, 82, 217, 0.4);
            transition: background-color 0.2s ease, transform 0.1s ease;
        }
.aisitex-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-hover);
        }
.aisitex-btn:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: scale(0.99);
        }
.aisitex-btn:disabled:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            opacity: 0.6;
            cursor: not-allowed;
        }
.aisitex-error-msg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-error);
            font-size: 13px;
            margin-top: 6px;
            display: none;
        }
.aisitex-error-msg.visible:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: block;
        }
/* 已登录状态控制面板 */
.aisitex-session-panel:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            padding: 32px;
            text-align: center;
            display: none;
        }
.aisitex-session-panel.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: block;
        }
.aisitex-avatar-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 72px;
            height: 72px;
            background: linear-gradient(135deg, var(--aisitex-primary), var(--aisitex-secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 auto 20px auto;
            box-shadow: 0 8px 20px rgba(0, 82, 217, 0.4);
        }
.aisitex-session-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
.aisitex-session-id:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-secondary);
            font-weight: 600;
            margin-bottom: 24px;
            background: rgba(0, 168, 112, 0.1);
            padding: 6px 14px;
            display: inline-block;
            border-radius: 12px;
        }
.aisitex-session-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-text-muted);
            font-size: 14px;
            margin-bottom: 28px;
            line-height: 1.6;
        }
.aisitex-logout-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: transparent;
            border: 1px solid var(--aisitex-border);
            color: var(--aisitex-text-muted);
            border-radius: 8px;
            padding: 12px;
            font-size: 15px;
            font-weight: 600;
            width: 100%;
            cursor: pointer;
            transition: all 0.2s ease;
        }
.aisitex-logout-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: var(--aisitex-error);
            color: var(--aisitex-error);
            background-color: rgba(239, 68, 68, 0.05);
        }
/* 底部信息提示带 */
.aisitex-feature-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 800px;
            margin: 64px auto 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            padding: 0 24px;
        }
.aisitex-feature-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: rgba(19, 27, 46, 0.6);
            border: 1px solid var(--aisitex-border);
            border-radius: 12px;
            padding: 20px;
            text-align: left;
        }
.aisitex-feature-item h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
.aisitex-feature-item h3 svg:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 16px;
            height: 16px;
            stroke: var(--aisitex-secondary);
        }
.aisitex-feature-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 13px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
/* 页脚 */
/* 响应式断点控制 */
@media (max-width: 768px) {.aisitex-nav-menu.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                transform: translateY(0);
            }
.aisitex-account-hero h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                font-size: 28px;
            }
.aisitex-feature-strip: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: #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;
        }