/* 基础重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  font-family: "Microsoft Yahei", sans-serif;
  color: #333;
  line-height: 1.6;
}
a {
  text-decoration: none;
  color: #333;
}
ul, dl, dd, dt {
  list-style: none;
}
.fl {
  float: left;
}
.fr {
  float: right;
}
.clear {
  clear: both;
  height: 0;
  overflow: hidden;
}

/* 顶部导航 */
.top {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px 20px;
  border-bottom: 1px solid #eee;
}
.logo img {
  height: 50px;
}
.menuDl {
  display: flex;
  align-items: center;
}
.menuDl dd {
  position: relative;
  margin: 0 15px;
}
.topMenu a {
  font-size: 16px;
  padding: 10px 5px;
  display: block;
  color: #333;
}
.topMenu a:hover {
  color: #0066cc;
}
/* 二级菜单 */
.twoMenu {
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  border: 1px solid #eee;
  box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  padding: 10px 0;
  display: none;
  z-index: 999;
}
.twoMenu .li a {
  padding: 8px 20px;
  white-space: nowrap;
}

/* 二级导航定位 */
.viewlocation {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px 20px;
  border-bottom: 1px solid #eee;
}
.pro_tab_hd {
  display: flex;
  justify-content: center;
}
.pro_tab_hd li {
  margin: 0 20px;
}
.pro_tab_hd li a {
  font-size: 16px;
  padding: 5px 0;
  display: block;
}
.pro_tab_hd li.on a {
  color: #0066cc;
  border-bottom: 2px solid #0066cc;
}

/* 响应式适配 */
@media (max-width: 768px) {
  .top {
    padding: 10px;
  }
  .logo img {
    height: 40px;
  }
  .menuDl {
    flex-wrap: wrap;
  }
  .menuDl dd {
    margin: 5px 10px;
  }
  .pro_tab_hd li {
    margin: 0 10px;
  }
  .icon-container {
    gap: 20px;
  }
  .icon-item {
    width: 100px !important;
  }
}