@charset "utf-8";
body{
  color: #181818;
}
.nav_box {
  position: fixed;
  width: 100%;
  /* min-width: 1000px; */
  padding: 0 45px;
  background-color: rgba(255,255,255,0.3);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  transition: background-color 0.5s ease;
}
.nav_box.scrolled {
  background-color: rgba(255,255,255,1);
  box-shadow: 0 3px 8px 0 rgba(0,0,0,0.1);
}
.nav_content {
  display: flex;
  align-items: center;
}
.header_logo {
  margin-right: 30px;
}
.nav_content ul li {
  float: left;
}
.nav_content ul li a {
  padding: 25px 15px;
  display: inline-block;
}
.nav_content ul li.active a, .nav_content ul li:hover a{
  color: #1664FF;
  text-shadow: 0 0 #1664FF;
  transition: all 0.3s ease;
}
.tel_box {
  font-size: 22px;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  width: 30px;
  height: 30px;
}
.hamburger,
.close {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transition: opacity 0.3s ease-in-out;
}
.hamburger .bar,
.close .bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #1664FF;
  margin: 8px 0;
  transition: transform 0.3s ease-in-out;
}
.close .bar {
  margin: 0;
}
.close .bar-2 {
  transform: rotate(-90deg) translate(2px, 0px);
}
.hamburger {
  opacity: 1;
}
.close {
  opacity: 0;
  transform: rotate(45deg);
  left: -10px;
  top: 10px;
}
.menu-toggle.active .hamburger {
  opacity: 0;
}
.menu-toggle.active .close {
  opacity: 1;
}


.transition_box {
  opacity: 0;
  transition: all 0.5s ease;
}

.footer_box {
  background-color: #171B27;
  padding: 70px 0;
  color: #ccc;
}
.footer_content, .footer_right {
  display: flex;
  justify-content: space-between;
}
.footer_left img {
  margin-bottom: 60px;
}
.footer_left p{
  color: #9397A3;
  line-height: 30px;
}
.contact_box {
  margin-right: 120px;
}
.contact_box p {
  line-height: 30px;
}
.footer_right h5 {
  font-size: 16px;
  color: #fff;
  margin: 25px 0;
}
.ewm_content {
  width: 120px;
  height: 120px;
  background-color: #fff;
  border-radius: 4px;
  overflow: hidden;
  border: 4px solid #fff;
}
.ewm_content img {
  width: 100%;
  height: 100%;
}

@media (max-width: 1000px) {
  .nav_box {
    padding: 20px 45px;
  }
  #nav {
    display: flex;
    position: fixed;
    left: 0;
    top: 78px;
    padding: 20px 45px;
    width: 50%;
    min-width: 400px;
    height: 100%;
    flex-direction: column;
    background-color: #fff;
    transform: translateX(-100%);
    transition: transform 0.5s ease-in-out, opacity 0.3s ease-in-out;
    opacity: 0;
  }
  #nav.active {
    opacity: 1;
    transform: translateX(0);
  }
  #nav li {
    border-bottom: 1px solid #eee;
  }
  #nav li a {
    width: 100%;
    height: 100%;
  }
  .tel_box { 
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .contact_box {
    margin-right: 30px;
  }
}