:root:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  --aisitex-primary: #0052D9;
  --aisitex-primary-hover: #003B9E;
  --aisitex-secondary: #16253B;
  --aisitex-bg: #F4F7FC;
  --aisitex-text: #1D2129;
  --aisitex-text-light: #4E5969;
  --aisitex-card-bg: #FFFFFF;
  --aisitex-max-width: 1200px;
  --aisitex-border: #E5E6EB;
  --aisitex-error: #FF4D4F;
  --aisitex-success: #52C41A;
}
*: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;
}
/* 导航栏样式复用 */
.aisitex-btn-download:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: var(--aisitex-primary);
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
  transition: background-color 0.2s;
}
.aisitex-btn-download:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: var(--aisitex-primary-hover);
}
/* 账号中心正文舞台布局 */
.aisitex-account-hero:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  padding: 60px 24px 40px;
  background: linear-gradient(180deg, #FFFFFF 0%, var(--aisitex-bg) 100%);
  border-bottom: 1px solid var(--aisitex-border);
}
.aisitex-account-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: var(--aisitex-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: 60px;
  align-items: center;
}
.aisitex-hero-content h1:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 42px;
  font-weight: 700;
  color: var(--aisitex-secondary);
  line-height: 1.25;
  margin-bottom: 16px;
}
.aisitex-hero-content p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 16px;
  color: var(--aisitex-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}
.aisitex-feature-tags:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.aisitex-tag:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: #E8F0FE;
  color: var(--aisitex-primary);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
}
/* 账号表单卡片舞台 */
.aisitex-auth-card:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: var(--aisitex-card-bg);
  border-radius: 24px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
  padding: 36px;
  border: 1px solid var(--aisitex-border);
}
.aisitex-auth-tabs:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  border-bottom: 2px solid var(--aisitex-border);
  margin-bottom: 28px;
}
.aisitex-auth-tab:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  flex: 1;
  background: none;
  border: none;
  padding: 12px;
  font-size: 16px;
  font-weight: 600;
  color: var(--aisitex-text-light);
  cursor: pointer;
  position: relative;
  transition: color 0.2s;
}
.aisitex-auth-tab.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: var(--aisitex-primary);
}
.aisitex-auth-tab.active:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *))::after {
  content: "";
  position: absolute;
  bottom: -2px;
  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-group label:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--aisitex-secondary);
  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: #FAFBFC;
  transition: border-color 0.2s, background 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;
}
.aisitex-form-error:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 12px;
  color: var(--aisitex-error);
  margin-top: 6px;
  display: none;
}
.aisitex-form-submit:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  background-color: var(--aisitex-primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 14px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 82, 217, 0.3);
  transition: background-color 0.2s;
  margin-top: 8px;
}
.aisitex-form-submit:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: var(--aisitex-primary-hover);
}
.aisitex-form-submit:disabled:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: #B2C9F8;
  cursor: not-allowed;
  box-shadow: none;
}
.aisitex-form-notice:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 12px;
  color: var(--aisitex-text-light);
  text-align: center;
  margin-top: 16px;
}
/* 登录状态面板 */
.aisitex-session-panel: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: 64px;
  height: 64px;
  background: #E8F0FE;
  color: var(--aisitex-primary);
  font-size: 24px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.aisitex-session-user:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 18px;
  font-weight: 600;
  color: var(--aisitex-secondary);
  margin-bottom: 8px;
}
.aisitex-session-status:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 14px;
  color: var(--aisitex-success);
  margin-bottom: 24px;
}
.aisitex-btn-logout:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background: transparent;
  border: 1px solid var(--aisitex-border);
  color: var(--aisitex-text-light);
  padding: 10px 24px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.aisitex-btn-logout:hover:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  border-color: var(--aisitex-error);
  color: var(--aisitex-error);
}
/* 深色对照舞台区 */
.aisitex-stage-section:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  background-color: var(--aisitex-secondary);
  color: #fff;
  padding: 80px 24px;
  margin-top: 40px;
}
.aisitex-stage-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  max-width: var(--aisitex-max-width);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.aisitex-stage-text h2:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 16px;
  line-height: 1.3;
}
.aisitex-stage-text p:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  color: #94A3B8;
  font-size: 16px;
  line-height: 1.6;
  margin-bottom: 24px;
}
.aisitex-stage-image img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  max-width: 520px;
  border-radius: 16px;
  box-shadow: 0 20px 40px rgba(0,0,0,0.3);
  display: block;
  margin: 0 auto;
}
/* 页脚样式 */
.aisitex-footer-brand:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  display: flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-weight: 700;
  font-size: 16px;
}
.aisitex-footer-brand img:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 28px;
  height: 28px;
}
.aisitex-footer-copy:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
  width: 100%;
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.05);
  font-size: 13px;
}
/* 响应式断点 */
@media (max-width: 960px) {.aisitex-account-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)), .aisitex-stage-container:not(:where(.aisitex-header, .aisitex-header *, .aisitex-footer, .aisitex-footer *)){
    grid-template-columns: 1fr;
    gap: 40px;
  }
.aisitex-nav-menu.active: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: #1D2129;
}

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

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

.aisitex-header{
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 72px;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid #E5E6EB;
            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;
            font-weight: 700;
            font-size: 20px;
            color: #16253B;
        }

.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{
            font-size: 15px;
            font-weight: 500;
            color: #4E5969;
            transition: color 0.2s ease;
            position: relative;
            padding: 8px 0;
        }

.aisitex-header .aisitex-nav-link:hover, .aisitex-header .aisitex-nav-link.active{
            color: #0052D9;
        }

.aisitex-header .aisitex-nav-link.active::after{
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: #0052D9;
            border-radius: 2px;
        }

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

.aisitex-header .aisitex-btn-download{
            background-color: #0052D9;
            color: #ffffff;
            padding: 10px 20px;
            border-radius: 6px;
            font-weight: 600;
            font-size: 14px;
            transition: background-color 0.2s ease, transform 0.1s ease;
        }

.aisitex-header .aisitex-btn-download:hover{
            background-color: #003B9E;
            transform: translateY(-1px);
        }

.aisitex-header .aisitex-menu-toggle{
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 30px;
            height: 24px;
            position: relative;
        }

.aisitex-header .aisitex-menu-toggle span{
            display: block;
            position: absolute;
            height: 2px;
            width: 100%;
            background: #16253B;
            border-radius: 2px;
            transition: 0.3s;
        }

.aisitex-header .aisitex-menu-toggle span:nth-child(1){ top: 0; }

.aisitex-header .aisitex-menu-toggle span:nth-child(2){ top: 11px; }

.aisitex-header .aisitex-menu-toggle span:nth-child(3){ top: 22px; }

@media (max-width: 768px){.aisitex-header .aisitex-nav-menu{
                position: fixed;
                top: 72px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 72px);
                background-color: #ffffff;
                flex-direction: column;
                align-items: flex-start;
                padding: 30px;
                gap: 20px;
                transition: left 0.3s ease;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }

.aisitex-header .aisitex-nav-menu.active{
                left: 0;
            }

.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, sans-serif;
    line-height: 1.6;
    color: #1D2129;
}

.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: #16253B;
        }

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

.aisitex-footer{
            background-color: #0A1422;
            color: #86909C;
            padding: 60px 24px 30px;
            font-size: 14px;
        }

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

.aisitex-footer .aisitex-footer-col h4{
            color: #ffffff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }

.aisitex-footer .aisitex-footer-col p{
            line-height: 1.6;
            margin-bottom: 16px;
        }

.aisitex-footer .aisitex-footer-links{
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

.aisitex-footer .aisitex-footer-links a{
            color: #86909C;
            transition: color 0.2s;
        }

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

.aisitex-footer .aisitex-footer-bottom{
            max-width: 1200px;
            margin: 0 auto;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            color: #4E5969;
        }

@media (max-width: 960px){.aisitex-footer .aisitex-footer-container{
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }}

@media (max-width: 768px){.aisitex-footer .aisitex-footer-container{
                grid-template-columns: 1fr;
            }}