@media (min-width: 768px) {
  .p60 {
    padding-top: 60px;
    padding-bottom: 60px;
  }
  .p50 {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .p40 {
    padding-top: 40px;
    padding-bottom: 40px;
  }
  .p30 {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .p20 {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .mb50 {
    margin-bottom: 50px;
  }
  .mb40 {
    margin-bottom: 40px;
  }
  .mb20 {
    margin-bottom: 20px;
  }
  .mb30 {
    margin-bottom: 30px;
  }
  .mb10 {
    margin-bottom: 10px;
  }
  .mt10 {
    margin-top: 10px;
  }
  .mt20 {
    margin-top: 20px;
  }
  .mt30 {
    margin-top: 30px;
  }
  .mt40 {
    margin-top: 40px;
  }
  .mt50 {
    margin-top: 50px;
  }

  .sub-menu {
    position: absolute;
    display: none;
    z-index: 9999;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    /* transform: rotateX(-90deg);
    transform-origin: 50% 0;
    transition: 0.3s ease-in-out; */
  }
  .sub-menu li {
    width: 100%;
    border-bottom: 1px dashed #dedede;
    position: relative;
    z-index: 9999;
    line-height: 1.4;
    overflow: hidden;
  }

  .menu-item-product .sub-menu {
    position: absolute;
    width: 70%;
    display: none;
    z-index: 9999;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    /* transform: rotateX(-90deg);
    transform-origin: 50% 0;
    transition: 0.3s ease-in-out; */
  }

  .menu-item-product .sub-menu li {
    width: 25%;
    height: 58px;
    float: left;
    position: relative;
    z-index: 9999;
    line-height: 1.4;
    overflow: hidden;
  }

  .menu-item-solution .sub-menu {
    position: absolute;
    width: 50%;
    display: none;
    z-index: 9999;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    /* transform: rotateX(-90deg);
    transform-origin: 50% 0;
    transition: 0.3s ease-in-out; */
  }
  .menu-item-solution .sub-menu li {
    width: 33%;
    height: 58px;
    float: left;
    position: relative;
    z-index: 9999;
    line-height: 1.4;
    overflow: hidden;
  }

  .menu-item-about .sub-menu {
    position: absolute;
    width: 40%;
    display: none;
    z-index: 9999;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
  }
  .menu-item-about .sub-menu li {
    width: 50%;
    height: 58px;
    float: left;
    position: relative;
    z-index: 9999;
    line-height: 1.4;
    overflow: hidden;
  }

  .sub-menu li:last-child {
    border-bottom: none;
  }
  .sub-menu li a {
    display: block;
    border: none;
    text-align: left;
    margin: 10px;
  }
  .sub-menu li:hover {
    color: #415fff;
  }

  .sub-menu li a span {
    color: #666666;
    font-size: 8px;
    border: none;
    text-align: left;
    margin-top: 2px;
  }
  .sub-menu > li:hover > a span {
    color: #415fff;
  }
}
@media (max-width: 768px) {
  .inews,
  .iproduct,
  .iabout,
  .about-img,
  .about-des {
    margin-bottom: 30px;
  }
  .pro-con li:nth-child(n + 4) {
    margin-bottom: 20px;
  }
  .pro-con li:last-child {
    margin-bottom: 0px;
  }
  .header-menu-con {
    padding-left: 0;
    position: absolute;
    height: auto;
    left: 0;
    right: 0;
    top: 100%;
    bottom: auto;
    background: #fff;
    -webkit-transform: scaleY(0);
    transform: scaleY(0);
    transition: 0.3s opacity, 0.3s 0.3s visibility, 0.3s -webkit-transform;
    transition: 0.3s transform, 0.3s opacity, 0.3s 0.3s visibility;
    transition: 0.3s transform, 0.3s opacity, 0.3s 0.3s visibility,
      0.3s -webkit-transform;
    -webkit-transform-origin: top center;
    transform-origin: top center;
    visibility: hidden;
    opacity: 0;
    z-index: 10;
  }
  .header-menu-con.active {
    -webkit-transform: scaleY(1);
    transform: scaleY(1);
    opacity: 1;
    visibility: visible;
    transition: 0.3s 0.1s transform, 0.3s 0.1s opacity, 0.1s visibility;
  }
  .header-menu ul li {
    float: none;
    position: relative;
    text-align: center;
    margin-bottom: 10px;
    height: 40px;
    line-height: 40px;
    width: 100%;
  }
  .header-menu > ul > li > a {
    display: block;
    font-size: 16px;
    padding: 0 20px;
    color: #000;
    height: 30px;
    line-height: 30px;
  }

  .header-menu ul li .sub-menu {
    display: none;
  }

  .footer-info {
    max-width: 100%;
  }

  .btm-search {
    margin-top: 10px;
  }

  .p60 {
    padding-top: 30px;
    padding-bottom: 30px;
  }
  .p50 {
    padding-top: 25px;
    padding-bottom: 25px;
  }
  .p40 {
    padding-top: 20px;
    padding-bottom: 20px;
  }
  .p30 {
    padding-top: 15px;
    padding-bottom: 15px;
  }
  .p20 {
    padding-top: 10px;
    padding-bottom: 10px;
  }
  .mb50 {
    margin-bottom: 25px;
  }
  .mb40 {
    margin-bottom: 20px;
  }
  .mb20 {
    margin-bottom: 10px;
  }
  .mb30 {
    margin-bottom: 15px;
  }
  .mb10 {
    margin-bottom: 10px;
  }
  .mt10 {
    margin-top: 10px;
  }
  .mt20 {
    margin-top: 10px;
  }
  .mt30 {
    margin-top: 15px;
  }
  .mt40 {
    margin-top: 20px;
  }
  .mt50 {
    margin-top: 25px;
  }
}