:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            --aisitex-bg: #0F172A;
            --aisitex-surface: #1E293B;
            --aisitex-card-bg: #FFFFFF;
            --aisitex-primary: #2563EB;
            --aisitex-primary-hover: #1D4ED8;
            --aisitex-secondary: #3B82F6;
            --aisitex-text-main: #F8FAFC;
            --aisitex-text-muted: #94A3B8;
            --aisitex-text-dark: #0F172A;
            --aisitex-text-dark-muted: #475569;
        }
*: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-main);
            line-height: 1.6;
            overflow-x: hidden;
        }
/* 共享头部样式复用 */
/* 账号中心专属正文区域 */
.aisitex-account-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 24px 100px;
        }
.aisitex-stage-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            background: var(--aisitex-surface);
            border-radius: 20px;
            padding: 48px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
.aisitex-stage-info:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
.aisitex-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: inline-block;
            background: rgba(37, 99, 235, 0.2);
            color: var(--aisitex-secondary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: 6px;
            width: fit-content;
            letter-spacing: 0.5px;
        }
.aisitex-title-group h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--aisitex-text-main);
            margin-bottom: 12px;
        }
.aisitex-title-group p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 16px;
            color: var(--aisitex-text-muted);
            line-height: 1.6;
        }
.aisitex-visual-preview:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
.aisitex-mascot-img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            max-width: 100%;
            height: auto;
            max-height: 380px;
            object-fit: contain;
            filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.5));
            animation: floatMascot 4s ease-in-out infinite;
        }
@keyframes floatMascot {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }
/* 交互式表单舞台 */
.aisitex-auth-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: #FFFFFF;
            color: var(--aisitex-text-dark);
            border-radius: 16px;
            padding: 36px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
        }
.aisitex-auth-tabs:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: flex;
            gap: 24px;
            margin-bottom: 24px;
            border-bottom: 2px solid #E2E8F0;
            padding-bottom: 12px;
        }
.aisitex-tab-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: none;
            border: none;
            font-size: 18px;
            font-weight: 700;
            color: var(--aisitex-text-dark-muted);
            cursor: pointer;
            padding-bottom: 4px;
            position: relative;
            transition: color 0.2s;
        }
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            color: var(--aisitex-primary);
        }
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
            content: "";
            position: absolute;
            bottom: -14px;
            left: 0;
            width: 100%;
            height: 3px;
            background-color: var(--aisitex-primary);
            border-radius: 2px;
        }
.aisitex-form-group:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            margin-bottom: 18px;
        }
.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-dark);
            margin-bottom: 6px;
        }
.aisitex-form-input:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #CBD5E1;
            border-radius: 8px;
            font-size: 15px;
            color: var(--aisitex-text-dark);
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
        }
.aisitex-form-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            border-color: var(--aisitex-primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
        }
.aisitex-form-error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            color: #DC2626;
            margin-top: 4px;
            min-height: 18px;
        }
.aisitex-submit-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 100%;
            background-color: var(--aisitex-primary);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s, transform 0.1s;
            margin-top: 12px;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
.aisitex-submit-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: var(--aisitex-primary-hover);
        }
.aisitex-submit-btn:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            transform: scale(0.99);
        }
.aisitex-notice-text:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 12px;
            color: var(--aisitex-text-dark-muted);
            text-align: center;
            margin-top: 16px;
        }
/* 已登录会话面板 */
.aisitex-session-panel:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            text-align: center;
            padding: 20px 0;
        }
.aisitex-session-avatar:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            width: 72px;
            height: 72px;
            background: rgba(37, 99, 235, 0.1);
            color: var(--aisitex-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
            font-weight: 700;
            margin: 0 auto 16px;
        }
.aisitex-session-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 20px;
            font-weight: 700;
            color: var(--aisitex-text-dark);
            margin-bottom: 8px;
        }
.aisitex-session-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-dark-muted);
            margin-bottom: 24px;
        }
.aisitex-logout-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #EF4444;
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: background-color 0.2s;
        }
.aisitex-logout-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background-color: #DC2626;
        }
/* 辅助信息条 */
.aisitex-features-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 60px;
        }
.aisitex-feature-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            background: var(--aisitex-surface);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }
.aisitex-feature-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--aisitex-text-main);
        }
.aisitex-feature-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
            font-size: 14px;
            color: var(--aisitex-text-muted);
            line-height: 1.5;
        }
/* 页脚样式复用 */
/* 响应式适配 */
@media (max-width: 968px) {.aisitex-stage-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 32px 20px;
            }
.aisitex-features-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                grid-template-columns: 1fr;
            }
.aisitex-nav.is-expanded:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
                display: flex;
            }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F8FAFC;
}

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

.aisitex-header img{
            max-width: 100%;
            height: auto;
            display: block;
        }

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #334155;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: -0.5px;
        }

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

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

.aisitex-header .aisitex-nav-link{
            font-size: 0.95rem;
            color: #94A3B8;
            transition: color 0.2s ease;
            position: relative;
            padding: 8px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #F8FAFC;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background-color: #2563EB;
            border-radius: 2px;
        }

.aisitex-header .aisitex-nav-actions{
            display: flex;
            align-items: center;
            gap: 16px;
        }

.aisitex-header .aisitex-btn-sm{
            background-color: #2563EB;
            color: #fff;
            padding: 8px 20px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: background-color 0.2s;
        }

.aisitex-header .aisitex-btn-sm:hover{
            background-color: #1D4ED8;
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            color: #F8FAFC;
            font-size: 1.5rem;
            cursor: pointer;
        }

@media (max-width: 968px){.aisitex-header .aisitex-nav{
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #0F172A;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid #334155;
                gap: 16px;
            }

.aisitex-header .aisitex-nav.is-expanded{
                display: flex;
            }

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

.aisitex-header .aisitex-nav-actions{
                display: none;
            }}

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #F8FAFC;
}

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

.aisitex-footer img{
            max-width: 100%;
            height: auto;
            display: block;
        }

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: -0.5px;
        }

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

.aisitex-footer{
            background-color: #0F172A;
            border-top: 1px solid #334155;
            padding: 60px 0 40px;
            color: #94A3B8;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

.aisitex-footer .aisitex-footer-top{
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 24px;
        }

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

.aisitex-footer .aisitex-footer-links a{
            color: #94A3B8;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-links a:hover{
            color: #F8FAFC;
        }

.aisitex-footer .aisitex-footer-bottom{
            border-top: 1px solid #334155;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }