/* 基础变量及重置 */
:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    --aisitex-primary: #FF5722;
    --aisitex-secondary: #0052D9;
    --aisitex-bg: #F8F9FA;
    --aisitex-text: #111827;
    --aisitex-text-light: #4B5563;
    --aisitex-card-bg: #FFFFFF;
    --aisitex-border: #E5E7EB;
    --aisitex-error: #EF4444;
    --aisitex-success: #10B981;
}
*: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, "PingFang SC", "Microsoft YaHei", sans-serif;
    background-color: var(--aisitex-bg);
    color: var(--aisitex-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
/* 导航栏样式（严格复用首页标准） */
.aisitex-nav-overlay:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 999;
}
/* 账号中心专属正文布局 */
.aisitex-account-main:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 40px auto 80px;
    padding: 0 24px;
}
/* 品牌信息带（Editorial 风格） */
.aisitex-info-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: linear-gradient(135deg, #FFF5F2 0%, #FFFFFF 100%);
    border-left: 4px solid var(--aisitex-primary);
    padding: 16px 24px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 32px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.aisitex-info-strip p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 14px;
    color: var(--aisitex-text-light);
}
.aisitex-info-strip span:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
    font-weight: 600;
}
/* 首屏/主区块双栏排版 */
.aisitex-account-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: 1fr 480px;
    gap: 48px;
    align-items: start;
}
@media (max-width: 968px) {.aisitex-account-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }}
/* 左侧叙事面板 */
.aisitex-hero-content:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    padding-top: 24px;
}
.aisitex-section-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: inline-block;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--aisitex-primary);
    margin-bottom: 16px;
    background: rgba(255, 87, 34, 0.08);
    padding: 4px 12px;
    border-radius: 4px;
}
.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 42px;
    font-weight: 700;
    line-height: 1.25;
    color: var(--aisitex-text);
    margin-bottom: 24px;
    letter-spacing: -0.5px;
}
.aisitex-hero-desc:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    color: var(--aisitex-text-light);
    line-height: 1.8;
    margin-bottom: 32px;
}
/* 特性切片列表 */
.aisitex-feature-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-top: 40px;
}
@media (max-width: 640px) {.aisitex-feature-list:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }}
.aisitex-feature-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #FFFFFF;
    padding: 24px;
    border-radius: 12px;
    border: 1px solid var(--aisitex-border);
    transition: transform 0.2s, box-shadow 0.2s;
}
.aisitex-feature-card:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.05);
}
.aisitex-feature-icon:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 40px;
    height: 40px;
    background: rgba(0, 82, 217, 0.08);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--aisitex-secondary);
    margin-bottom: 16px;
}
.aisitex-feature-card h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 16px;
    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: 13px;
    color: var(--aisitex-text-light);
    line-height: 1.5;
}
/* 右侧表单交互卡片 */
.aisitex-card-wrapper:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #FFFFFF;
    border-radius: 16px;
    border: 1px solid var(--aisitex-border);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    position: sticky;
    top: 96px;
}
.aisitex-card-tabs:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    border-bottom: 1px solid var(--aisitex-border);
    background: #FAFAFA;
}
.aisitex-tab-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    flex: 1;
    padding: 18px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--aisitex-text-light);
    cursor: pointer;
    transition: all 0.2s;
    position: relative;
}
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
    background: #FFFFFF;
}
.aisitex-tab-btn.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--aisitex-primary);
}
.aisitex-card-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: 14px;
    font-weight: 600;
    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: 8px;
    font-size: 15px;
    color: var(--aisitex-text);
    background: #FAFAFA;
    transition: all 0.2s;
}
.aisitex-form-input:focus:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    outline: none;
    border-color: var(--aisitex-primary);
    background: #FFFFFF;
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1);
}
.aisitex-form-error-text:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 12px;
    color: var(--aisitex-error);
    margin-top: 6px;
    display: none;
}
.aisitex-form-error-text.show: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: 14px;
    background-color: var(--aisitex-primary);
    color: #FFFFFF;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.1s;
    margin-top: 8px;
}
.aisitex-submit-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    opacity: 0.95;
}
.aisitex-submit-btn:active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    transform: scale(0.99);
}
.aisitex-submit-btn:disabled:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    opacity: 0.6;
    cursor: not-allowed;
}
.aisitex-global-message:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
}
.aisitex-global-message.error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #FEF2F2;
    color: #991B1B;
    border: 1px solid #FCA5A5;
    display: block;
}
.aisitex-global-message.success:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #ECFDF5;
    color: #065F46;
    border: 1px solid #6EE7B7;
    display: block;
}
/* 登录成功后的会话面板 */
.aisitex-session-panel:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: none;
    text-align: center;
    padding: 24px 0;
}
.aisitex-avatar-badge:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 72px;
    height: 72px;
    background: linear-gradient(135deg, var(--aisitex-primary), #FF8A65);
    color: #FFFFFF;
    font-size: 28px;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 10px 20px rgba(255, 87, 34, 0.2);
}
.aisitex-session-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 20px;
    font-weight: 700;
    color: var(--aisitex-text);
    margin-bottom: 8px;
}
.aisitex-session-account:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 15px;
    color: var(--aisitex-secondary);
    font-weight: 600;
    margin-bottom: 24px;
    background: rgba(0, 82, 217, 0.05);
    padding: 6px 16px;
    border-radius: 20px;
    display: inline-block;
}
.aisitex-session-meta:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #F9FAFB;
    border: 1px solid var(--aisitex-border);
    border-radius: 8px;
    padding: 16px;
    text-align: left;
    margin-bottom: 24px;
}
.aisitex-session-meta p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 13px;
    color: var(--aisitex-text-light);
    margin-bottom: 6px;
}
.aisitex-session-meta p:last-child:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    margin-bottom: 0;
}
.aisitex-logout-btn:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    width: 100%;
    padding: 12px;
    background: #FFFFFF;
    color: var(--aisitex-error);
    border: 1px solid #FCA5A5;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}
.aisitex-logout-btn:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #FEF2F2;
}
/* 全宽局部色带章节：账户权限指引 */
.aisitex-fullwidth-strip:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: #111827;
    color: #FFFFFF;
    margin-top: 80px;
    padding: 64px 0;
    border-radius: 16px;
}
.aisitex-strip-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.aisitex-strip-header:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    text-align: center;
    max-width: 640px;
    margin: 0 auto 48px;
}
.aisitex-strip-header h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 32px;
    font-weight: 700;
    margin-bottom: 16px;
    color: #FFFFFF;
}
.aisitex-strip-header p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 15px;
    color: #9CA3AF;
    line-height: 1.6;
}
.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}
@media (max-width: 768px) {.aisitex-steps-grid:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        grid-template-columns: 1fr;
    }}
.aisitex-step-item:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 32px;
    border-radius: 12px;
}
.aisitex-step-number:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 24px;
    font-weight: 700;
    color: var(--aisitex-primary);
    margin-bottom: 16px;
}
.aisitex-step-item h3:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 12px;
    color: #FFFFFF;
}
.aisitex-step-item p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    font-size: 14px;
    color: #9CA3AF;
    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;
}
.aisitex-footer-links:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    display: flex;
    gap: 24px;
}
.aisitex-footer-links a:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-text-light);
    text-decoration: none;
    transition: color 0.2s;
}
.aisitex-footer-links a:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    color: var(--aisitex-primary);
}
@media (max-width: 768px) {.aisitex-hero-title:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
        font-size: 32px;
    }}

.aisitex-header {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #111827;
}

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

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

.aisitex-header{
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(248, 249, 250, 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid #E5E7EB;
        }

.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: 20px;
            color: #111827;
        }

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

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

.aisitex-header .aisitex-nav-link{
            font-size: 15px;
            font-weight: 500;
            color: #4B5563;
            transition: color 0.2s;
            position: relative;
            padding: 8px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #FF5722;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #FF5722;
            border-radius: 2px;
        }

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

.aisitex-header .aisitex-btn-primary{
            background-color: #FF5722;
            color: #FFFFFF;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            transition: background-color 0.2s, transform 0.1s;
        }

.aisitex-header .aisitex-btn-primary:hover{
            background-color: #E64A19;
            transform: translateY(-1px);
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 30px;
            height: 30px;
            position: relative;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            width: 24px;
            height: 2px;
            background-color: #111827;
            position: absolute;
            left: 3px;
            transition: 0.3s;
        }

.aisitex-header .aisitex-menu-toggle span:nth-child(1){ top: 8px; }

.aisitex-header .aisitex-menu-toggle span:nth-child(2){ top: 14px; }

.aisitex-header .aisitex-menu-toggle span:nth-child(3){ top: 20px; }

@media (max-width: 968px){.aisitex-header .aisitex-nav-menu{
                display: none;
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid #E5E7EB;
            }

.aisitex-header .aisitex-nav-menu.active{
                display: flex;
            }

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

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

.aisitex-footer {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
    line-height: 1.6;
    color: #111827;
}

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

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

.aisitex-footer .aisitex-brand{
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 20px;
            color: #111827;
        }

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

.aisitex-footer{
            background-color: #111827;
            color: #9CA3AF;
            padding: 60px 0 40px;
            font-size: 14px;
        }

.aisitex-footer .aisitex-footer-container{
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

.aisitex-footer .aisitex-footer-brand p{
            margin-top: 16px;
            color: #6B7280;
            line-height: 1.6;
        }

.aisitex-footer .aisitex-footer-col h4{
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 20px;
        }

.aisitex-footer .aisitex-footer-col ul{
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.aisitex-footer .aisitex-footer-col a{
            color: #9CA3AF;
            transition: color 0.2s;
        }

.aisitex-footer .aisitex-footer-col a:hover{
            color: #FFFFFF;
        }

.aisitex-footer .aisitex-footer-bottom{
            max-width: 1200px;
            margin: 0 auto;
            padding: 24px 24px 0;
            border-top: 1px solid #1F2937;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: #6B7280;
            font-size: 13px;
        }

@media (max-width: 968px){.aisitex-footer .aisitex-footer-container{
                grid-template-columns: 1fr;
                gap: 32px;
            }}