header>.inner .logo {
    position: relative;
    top: 0;
    /* left: 40px; */
    /* width: 100%; */
    width: 503px;
    height: 75px;
    background: url(/img/logo.png) no-repeat center center;
    max-width: 503px;
    background-size: contain;
    left: 0px;
}

header>.inner .nav .bottom {
    width: 100%;
    max-width: 100%;
}

header>.inner .nav .bottom .menu {
    align-items: center;
    justify-content: space-between;
}
header>.inner .nav .top .nav_member .nav_login {
    line-height: 25px;
    word-break: keep-all;
}

header>.inner .nav .top {
    display: flex;
    gap: 36px;
    position: relative;
    z-index: 1;
    justify-content: space-between;;
    line-height: 40px;
    width: 100%;
    align-items: center;
}
.top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
  }

.top-right-elements {
  display: flex;
  align-items: center;
  gap: 15px;
}

header>.inner .nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 19px;
    padding-top: 31px;
    padding-bottom: 24px;
    width: 100%;
}

@media (max-width: 1199px) {
   
a.mobile-logo {
    position: absolute;
    top: 0;
    left: 40px;
    width: 503px;
    height: 100%;
    background: url(/img/logo.png) no-repeat center center;
    }
a.logo{
    display: block;
}
}


@media (max-width: 641px) {
    header>.inner .nav .top {
        gap:36px !important;
    }
    a.mobile-logo {
        background-size: contain;
        width: 303px;
    }
    
}

@media (max-width: 768px) {
    .top {
      flex-direction: column;
      justify-content: center;
      gap: 15px;
    }

}


/* 当导航菜单展开时，针对移动设备优化右上角元素布局 */
@media (max-width:1199px) {
    header>.inner .nav .top {
        justify-content: center;
        flex-direction: column;
    }
    .top-right-elements{
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    gap: 15px;
    max-width: 100%;
    width: 100%;
    }
  }