/* 全站 LOGO：按图片本身比例适配（正方形 / 长方形均可） */
.qx-site-logo {
  display: block;
  object-fit: contain;
  object-position: center;
  flex-shrink: 0;
  border: 0;
  width: auto;
  height: auto;
  max-width: 180px;
  max-height: 44px;
  background: transparent;
}

/* PC 顶栏 */
.header .logo .qx-site-logo,
.qx-site-logo--header {
  max-height: 44px;
  max-width: 168px;
}
.qx-site-logo--header.qx-logo-square {
  width: 42px;
  height: 42px;
  max-width: 42px;
  max-height: 42px;
  border-radius: 8px;
}
.qx-site-logo--header.qx-logo-wide {
  height: 36px;
  width: auto;
  max-width: 180px;
  max-height: 36px;
}

/* 会员内页顶栏 */
.qx-brand .qx-site-logo,
.qx-site-logo--topnav {
  max-height: 36px;
  max-width: 150px;
}
.qx-site-logo--topnav.qx-logo-square {
  width: 34px;
  height: 34px;
  max-width: 34px;
  max-height: 34px;
  border-radius: 6px;
}
.qx-site-logo--topnav.qx-logo-wide {
  height: 32px;
  width: auto;
  max-width: 160px;
  max-height: 32px;
}

/* WAP 顶栏 */
.qx-m-logo .qx-site-logo,
.qx-site-logo--mobile {
  max-height: 36px;
  max-width: 120px;
}
.qx-site-logo--mobile.qx-logo-square {
  width: 32px;
  height: 32px;
  max-width: 32px;
  max-height: 32px;
  border-radius: 6px;
}
.qx-site-logo--mobile.qx-logo-wide {
  height: 28px;
  width: auto;
  max-width: 130px;
  max-height: 28px;
}

/* 投资页顶栏 / 侧边栏：方形当图标，宽图限高 */
.investment_header .logo_lump .qx-site-logo,
.qx-site-logo--invest,
.sidebar_lump .menu_item .qx-site-logo,
.qx-site-logo--sidebar {
  max-height: 42px;
  max-width: 56px;
}
.qx-site-logo--invest.qx-logo-square,
.qx-site-logo--sidebar.qx-logo-square {
  width: 40px;
  height: 40px;
  max-width: 40px;
  max-height: 40px;
  border-radius: 8px;
}
.qx-site-logo--invest.qx-logo-wide,
.qx-site-logo--sidebar.qx-logo-wide {
  height: 36px;
  width: auto;
  max-width: 72px;
  max-height: 36px;
}

/* 登录 / 注册：容器随图片走，不再锁死 60×60 */
.login-brand-logo,
.page_login .login-brand-icon,
.login-brand-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  padding: 0;
  width: auto !important;
  height: auto !important;
  max-width: 240px;
  background: transparent !important;
  box-shadow: none !important;
  border-radius: 0 !important;
}

.login-brand-logo .qx-site-logo,
.qx-site-logo--login,
.page_login .login-brand-icon .qx-site-logo,
.page_login .login-brand-icon img {
  max-height: 96px;
  max-width: 240px;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
}

.qx-site-logo--login.qx-logo-square,
.page_login .login-brand-icon .qx-site-logo.qx-logo-square {
  width: 88px;
  height: 88px;
  max-width: 88px;
  max-height: 88px;
  border-radius: 16px;
}

.qx-site-logo--login.qx-logo-wide,
.page_login .login-brand-icon .qx-site-logo.qx-logo-wide {
  height: auto;
  width: auto;
  max-height: 72px;
  max-width: 260px;
}

.page_login .login-brand-icon svg,
.login-brand-icon svg {
  display: none;
}

/* 游戏页品牌条 */
.qx-game-m-logo.qx-site-logo,
img.qx-site-logo--game {
  width: auto;
  height: auto;
  max-height: 28px;
  max-width: 72px;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
img.qx-site-logo--game.qx-logo-square {
  width: 28px;
  height: 28px;
  max-width: 28px;
  max-height: 28px;
  border-radius: 6px;
}
img.qx-site-logo--game.qx-logo-wide {
  height: 24px;
  max-height: 24px;
  max-width: 88px;
}

span.qx-game-m-logo {
  display: none;
}

/* 旧版会员头 */
.header-box .imgbox2 .qx-site-logo,
.qx-site-logo--member {
  max-height: 48px;
  max-width: 180px;
}
.qx-site-logo--member.qx-logo-square {
  width: 44px;
  height: 44px;
  max-width: 44px;
  max-height: 44px;
  border-radius: 8px;
}
.qx-site-logo--member.qx-logo-wide {
  height: auto;
  max-height: 40px;
  max-width: 200px;
}

@media (max-width: 480px) {
  .header .logo .qx-site-logo,
  .qx-site-logo--header {
    max-width: 120px;
    max-height: 36px;
  }
  .qx-site-logo--header.qx-logo-square {
    width: 32px;
    height: 32px;
    max-width: 32px;
    max-height: 32px;
  }
  .login-brand-logo .qx-site-logo,
  .page_login .login-brand-icon .qx-site-logo,
  .page_login .login-brand-icon img,
  .qx-site-logo--login {
    max-height: 72px;
    max-width: 200px;
  }
  .qx-site-logo--login.qx-logo-square,
  .page_login .login-brand-icon .qx-site-logo.qx-logo-square {
    width: 72px;
    height: 72px;
    max-width: 72px;
    max-height: 72px;
  }
}