.topnav {
  margin-right: 20px;
}
.topnav * {
  list-style: none;
  text-align: center;
}
.topnav ul {
  padding: 0;
}
.topnav > ul {
  display: flex;
  flex-wrap: wrap;
}
.topnav > ul > li {
  width: auto;
  flex: 0 0 auto;
  padding: 0 10px;
  position: relative;
}
.topnav > ul > li a {
  text-decoration: none;
  line-height: 68px;
  font-size: 16px;
  color: #53bcac;
  display: block;
}
.header.bgfff .topnav > ul > li a {
  /*color: #333;*/
}
.topnav > ul > li a:hover {
  /*color: #000;*/
}
.topnav .subnav {
  position: absolute;
  top: 68px;
  left: 0;
  min-width: max-content;
  width: 100%;
  display: none;
  background-color: rgba(83,188,172,.9);
  transform: translateX(-50%);
  left: 50%;
  padding: 0 10px;
}
.topnav > ul > li:hover .subnav {
  display: block;
}
.topnav .subnav a {
  color: #fff;
  font-size: 13px;
  line-height: 45px;
}
.topnav .subnav a:hover {
  /*color: #217728;*/
}

.header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;

}
.header-top .left {
  flex: 1;
}
.header-top .right {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
}
.header-top .left, .header-top .right {
  height: 100%;
  display: flex;
  align-items: center;
}

.wel-parts {
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

.inner-ban .cover {
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.4);
}

.pro-items0 .pro-txts1 div {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  line-height: unset;
  height: auto;
  overflow: hidden;
}

@media screen and (min-width: 768px) {
  .menus-controls, .header .h-line {
    display: none;
  }
}
@media screen and (max-width: 768px) {
  .topnav {
    display: none;
  }
  .wel-banner .swiper-slide a {
    min-height: 300px;
  }
}