:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #0078D4;
    --aisitex-secondary: #2B579A;
    --aisitex-bg: #F8F9FA;
    --aisitex-surface: #FFFFFF;
    --aisitex-text: #242424;
    --aisitex-text-muted: #616161;
    --aisitex-border: #E1DFDD;
    --aisitex-radius: 8px;
    --aisitex-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
    --aisitex-shadow-lg: 0 12px 32px rgba(0, 120, 212, 0.12);
}
*: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);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
/* 复用首页导航栏样式规范 */
/* 账号中心主舞台区 */
.aisitex-account-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 40px auto 20px;
    padding: 0 24px;
}
.aisitex-account-header-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: linear-gradient(135deg, #ffffff 0%, #f4f8fb 100%);
    border: 1px solid var(--aisitex-border);
    border-radius: 12px;
    padding: 48px;
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 32px;
    align-items: center;
    box-shadow: var(--aisitex-shadow);
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--aisitex-text);
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.05rem;
    color: var(--aisitex-text-muted);
    max-width: 600px;
    line-height: 1.7;
}
.aisitex-hero-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: rgba(0, 120, 212, 0.1);
    color: var(--aisitex-primary);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
}
.aisitex-hero-img-wrap:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 280px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}
.aisitex-hero-img-wrap img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    height: auto;
    display: block;
}
/* 正文表单控制区与色带切换 */
.aisitex-main-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto 80px;
    padding: 0 24px;
}
.aisitex-auth-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 12px;
    padding: 40px;
    margin-top: 32px;
    box-shadow: var(--aisitex-shadow);
}
.aisitex-section-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--aisitex-text);
    margin-bottom: 8px;
}
.aisitex-section-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-muted);
    font-size: 0.95rem;
    margin-bottom: 32px;
}
/* 交互卡片与表单面板 */
.aisitex-auth-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 520px;
    margin: 0 auto;
    background-color: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.aisitex-tab-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    border-bottom: 1px solid var(--aisitex-border);
    margin-bottom: 24px;
}
.aisitex-tab-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    flex: 1;
    background: none;
    border: none;
    padding: 12px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--aisitex-text-muted);
    cursor: pointer;
    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: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--aisitex-primary);
}
.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: 0.9rem;
    font-weight: 500;
    color: var(--aisitex-text);
    margin-bottom: 8px;
}
.aisitex-form-input:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--aisitex-border);
    border-radius: var(--aisitex-radius);
    font-size: 0.95rem;
    color: var(--aisitex-text);
    background-color: #fff;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.aisitex-form-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    outline: none;
    border-color: var(--aisitex-primary);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.15);
}
.aisitex-form-error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.8rem;
    color: #d83b01;
    margin-top: 6px;
    display: none;
}
.aisitex-form-error.visible:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: block;
}
.aisitex-submit-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 12px;
    background-color: var(--aisitex-primary);
    color: #ffffff;
    border: none;
    border-radius: var(--aisitex-radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 120, 212, 0.25);
    transition: background-color 0.2s, transform 0.1s;
    margin-top: 8px;
}
.aisitex-submit-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: #106ebe;
}
.aisitex-submit-btn:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: scale(0.98);
}
.aisitex-notice-box:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-top: 20px;
    padding: 12px 16px;
    background-color: #f3f2f1;
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--aisitex-text-muted);
    text-align: center;
}
/* 已登录视图 */
.aisitex-session-view:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
    text-align: center;
    padding: 20px 0;
}
.aisitex-session-avatar:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--aisitex-primary), var(--aisitex-secondary));
    color: #fff;
    font-size: 1.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 4px 12px rgba(0,120,212,0.3);
}
.aisitex-session-email:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--aisitex-text);
    margin-bottom: 8px;
}
.aisitex-session-status:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    background-color: #107c10;
    color: #fff;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 24px;
}
.aisitex-session-meta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: #faf9f8;
    border: 1px solid var(--aisitex-border);
    border-radius: 8px;
    padding: 16px;
    text-align: left;
    margin-bottom: 24px;
    font-size: 0.9rem;
}
.aisitex-session-meta p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 8px;
    color: var(--aisitex-text-muted);
}
.aisitex-session-meta p:last-child:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 0;
}
.aisitex-session-meta strong:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text);
}
.aisitex-logout-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: #f3f2f1;
    color: var(--aisitex-text);
    border: 1px solid var(--aisitex-border);
    padding: 10px 24px;
    border-radius: var(--aisitex-radius);
    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: #edebe9;
}
/* 辅助证据与任务拆解小节 */
.aisitex-features-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}
.aisitex-feature-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background-color: var(--aisitex-surface);
    border: 1px solid var(--aisitex-border);
    border-radius: 10px;
    padding: 28px;
    transition: transform 0.2s, box-shadow 0.2s;
}
.aisitex-feature-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-4px);
    box-shadow: var(--aisitex-shadow);
}
.aisitex-feature-icon:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 40px;
    height: 40px;
    background-color: rgba(0, 120, 212, 0.1);
    color: var(--aisitex-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-bottom: 16px;
}
.aisitex-feature-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--aisitex-text);
}
.aisitex-feature-card p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 0.9rem;
    color: var(--aisitex-text-muted);
    line-height: 1.6;
}
/* 页脚样式 */
.aisitex-footer-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}
/* 响应式断点适配 */
@media (max-width: 900px) {.aisitex-account-header-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }
.aisitex-hero-img-wrap:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
.aisitex-features-grid: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 *)){
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
.aisitex-menu-toggle.active span:nth-child(1):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        transform: translateY(8px) rotate(45deg);
    }
.aisitex-menu-toggle.active span:nth-child(2):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        opacity: 0;
    }
.aisitex-menu-toggle.active span:nth-child(3):not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        transform: translateY(-8px) rotate(-45deg);
    }
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 1.75rem;
    }
.aisitex-auth-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        padding: 24px 16px;
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #242424;
}

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 249, 250, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E0E0E0;
        }

.aisitex-header .aisitex-nav-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 70px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

.aisitex-header .aisitex-brand{
            font-size: 1.25rem;
            font-weight: 700;
            color: #0078D4;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

.aisitex-header .aisitex-nav-link{
            text-decoration: none;
            color: #242424;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.25s ease;
            position: relative;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0078D4;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0078D4;
            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: #242424;
            margin: 5px 0;
            transition: all 0.25s ease;
        }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 32px 24px;
                gap: 20px;
                border-bottom: 1px solid #E0E0E0;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                opacity: 0;
                transition: transform 0.3s ease, opacity 0.3s ease;
                z-index: 999;
                align-items: flex-start;
            }

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

.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 Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #242424;
}

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

.aisitex-footer{
            background-color: #1f1f1f;
            color: #d1d1d1;
            padding: 40px 0;
            font-size: 0.9rem;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
            text-align: center;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }

.aisitex-footer .aisitex-footer-links a{
            color: #d1d1d1;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

.aisitex-footer .aisitex-footer-copy{
            color: #888888;
            font-size: 0.85rem;
        }