@charset "UTF-8";

/* logo nav相对位置 */
.header {
  background-color: #ffffff;
  padding: 5px 0;
  border-bottom: 1px solid #ddd;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 0px;
  display: flex;
  flex-direction: column;
}

.logo {

}

.logo img {
  max-width: 260px;
  height: auto;
}

/*
@media (max-width: 768px) {
  .header-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  .logo {
    margin-bottom: 0;
  }
}

*/

@media (max-width: 768px) {

  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .nav {
    margin-top: 10px;
  }

  .nav a {
    margin: 0 15px 0 0;
    display: inline-block;
  }

  .logo img {
    max-width: 160px;
    height: auto;
}

}

nav {
  background-color: white;
}



.navbar {
  display: flex;
  padding: 0;
  list-style: none;
  background-color: rgb(255, 255, 255);
  white-space: nowrap;
  font-size: clamp(8px, 2vw, 16px);
  font-weight: 700;
}

.navbar li {
  position: relative;
}

.navbar>li>a {
  display: block;
  padding: 1em 1.5em;
  text-decoration: none;
  color: var(--text-color);
  transition: background 0.3s;
  font-weight: 500;
}

.navbar>li:hover>a,
.navbar>li.active>a {
  /* background-color: var(--theme-color); */
  background-color: #00aaff;
  color: white;
}

/* 二级菜单 */
.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-hover);
  list-style: none;
  padding: 0;
  margin: 0;
  min-width: 200px;
  z-index: 10;
}

.submenu li a {
  display: block;
  padding: 0.8em 1em;
  text-decoration: none;
  color: var(--text-color);
  /* background-color: #f8f0f0; */
  /* background-color:#c9f7dc; */
  background-color: #f8f0f0;
  border-bottom: 1px solid #ddd;
}

.submenu li a:hover {
  background-color: var(--theme-color);
  color: white;
}

/* 显示子菜单 */
.navbar li:hover>.submenu,
.navbar li.active>.submenu {
  display: block;
}

/* 三级菜单 */
.submenu li {
  position: relative;
}

.submenu .sub-submenu {
  display: none;
  position: absolute;
  left: 100%;
  top: 0;
  background-color: var(--bg-hover);
  list-style: none;
  padding: 0;
  margin: 0;
  min-width: 215px;
}

.submenu li:hover>.sub-submenu {
  display: block;
}