.navbar {
  background: #fff;
  padding: 0 60px;
  margin-bottom: 0;
  border: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  border-radius: 0;
  box-shadow: 0 1px 3px #ccc;
}
.navbar .container-fluid .navbar-brand {
  padding: 0 15px;
  vertical-align: middle;
}
.navbar .container-fluid .navbar-brand img {
  display: inline-block;
  width: 67px;
  height: 30px;
}
.navbar .container-fluid .navbar-brand:after {
  content: '';
  display: inline-block;
  width: 0;
  height: 100%;
  vertical-align: middle;
}
.navbar .navbar-collapse .nav .active {
  box-sizing: border-box;
}
.navbar .navbar-collapse .nav .active a {
  background: transparent;
  border-bottom: 3px solid #282828;
}
.navbar .navbar-collapse .nav a {
  padding: 15px 5px;
  margin: 0 20px;
  color: #171717;
}
.navbar .navbar-collapse .nav a:hover {
  color: #171717;
}
.navbar .navbar-collapse .navbar-form {
  height: 50px;
  margin: 0;
  margin-left: 10px;
}
.navbar .navbar-collapse .navbar-form input {
  box-sizing: border-box;
  width: 0;
  transition: width 1s;
  vertical-align: middle;
  background: transparent;
  border: none;
  border-radius: 12px;
  margin-right: -25px;
  outline: none;
}
.navbar .navbar-collapse .navbar-form .search_click {
  width: 200px;
  border: 1px solid #efefef;
  padding-left: 15px;
}
.navbar .navbar-collapse .navbar-form .glyphicon {
  display: inline-block;
  vertical-align: middle;
  cursor: pointer;
}
.navbar .navbar-collapse .navbar-form::after {
  content: '';
  display: inline-block;
  width: 0;
  height: 100%;
  vertical-align: middle;
}
.navbar.bg_gradual {
  background: rgba(255, 255, 255, 0.5);
  transition: background 1s;
}
.pc_container {
  padding-top: 50px;
}
img {
  display: block;
  width: 100%;
  height: auto;
}
.footer {
  padding: 40px 150px;
  margin: 0 auto;
  font-size: 12px;
  background: #eee;
}
.footer .contact_us,
.footer .service,
.footer .case,
.footer .contact,
.footer .qrcode {
  float: left;
  width: 15%;
}
.footer .contact_us {
  width: 40%;
}
.footer .contact_us .logo {
  width: 67px;
  height: 30px;
  margin: 10px 0;
}
.footer p {
  margin: 5px 0;
}
.footer h4 {
  font-size: 13px;
  font-weight: bold;
}
.footer .qrcode {
  padding-top: 10px;
  max-width: 60px;
}
.footer .qrcode .img {
  width: 60px;
  height: 60px;
  background: #7f7f8d;
}
.footer .qrcode p {
  text-align: center;
}
@media (max-width: 768px) {
  .navbar {
    padding: 0 15px;
  }
  .navbar .navbar-form {
    display: none;
  }
  .navbar .navbar-collapse .nav .active a {
    border: none;
    color: red;
  }
  .footer {
    padding: 10px;
    padding-left: 30px;
    position: relative;
  }
  .footer .service,
  .footer .case,
  .footer .contact {
    display: none;
  }
  .footer .contact_us {
    width: 100%;
  }
  .footer .qrcode {
    display: none;
  }
}
.title_wrap {
  background: #fff;
  padding-bottom: 30px;
}
.title_wrap p {
  font-size: 12px;
  color: #7a7a7a;
  text-align: center;
  margin: 0;
}
.title_wrap p:last-child {
  font-size: 24px;
  color: #2c2c2c;
}
.text_overflow_1 {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}
.text_overflow_2 {
  display: -webkit-box;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}
a {
  color: #000;
  text-decoration: none;
}
a:hover {
  color: #000;
  text-decoration: none;
}
ul,
li {
  list-style: none;
  margin: 0;
  padding: 0;
}
html {
  overflow-x: hidden;
}