header {
  width: 100%;
  /* height: 3.14285714rem; */
  height: 2.78571429rem;
  background: #000000;
}
header nav {
  width: 100%;
  /* height: 3.14285714rem; */
  height: 2.78571429rem;
  padding: 0 !important;
  margin: 0;
  position: fixed !important;
  top: 0;
  border-radius: 0;
  background: #000000;
  z-index: 999;
  padding: 0 1.42857142rem !important;
}
header nav .container {
  /* height: 3.14285714rem; */
  height: 2.78571429rem;
  padding: 0;
  /* margin: 0 1.42857142rem; */
  margin: 0 !important;
}
header nav .container .logo {
  float: left;
  display: flex;
  flex-direction: column;
  align-items: center;
  /* margin-right: 3.46428571rem; */
  margin-right: 5%;
}
header nav .container .logo img {
  /* width: 4.42857142rem; */
  /* height: 1.89285714rem; */
  height: 1.07142857rem;
  position: relative;
  z-index: -1;
  margin-bottom: 0.17857rem;
}
header nav .container .logo span {
  /* font-size: 0.64285714rem; */
  font-size: 0.53571429rem;
  color: #ffffff;
  /* letter-spacing: 0.07142857rem; */
  line-height: 1;
  margin-top: 0.17857143rem;
  padding-left: 20px;
}
header nav .container .navbar-toggler {
  /* height: 3.14285714rem; */
  height: 2.78571429rem;
  padding: 0;
  border: none;
  margin: 0 0.2rem 0 0.8rem;
  /* margin: 0 1.42857142rem; */
  float: left;
  color: #ffffff;
  outline: none;
}
header nav .container .navbar-toggler .navbar-toggler-icon {
  font-size: 1.42857143rem;
  line-height: 1;
}
header nav .container .navbar-collapse {
  width: 100%;
  padding: 0;
  border-top: none;
  margin: 0;
  box-shadow: none;
  background: rgba(255, 255, 255, 0.9);
}
header nav .container .navbar-collapse .navbar-nav li {
  display: flex;
  align-items: center;
  /* font-size: 0.57142857rem; */
  font-size: 0.64285714rem;
  /* font-size:0.64285714rem; */
  height: 100%;
  line-height: 1rem;
  /* margin-right: 2.39285714rem; */
  margin-right: 1.96428571rem;
}
.navbar-toggler-icon {
  font-size: 1.07142857rem;
  width: 2.32142857rem;
  /* background-color: #666666; */
  border-radius: 0.17857143rem;
}
.mobile {
  display: none !important;
}
header nav .container .navbar-collapse .navbar-nav li.active a {
  color: #04a7f9;
  display: block;
}
header nav .container .navbar-collapse .navbar-nav li:hover a {
  color: #04a7f9;
}
header nav .container .navbar-collapse .navbar-nav li a {
  color: #ffffff;
  /* padding: .4rem 1rem; */
}
/* 关于我们 */
header nav .container .navbar-collapse .navbar-nav li .btn-group .dropTit {
  background: #000000 !important;
  cursor: pointer !important;
  /* font-size: 0.57142857rem; */
  font-size: 0.64285714rem;
  color: #ffffff;
}
header
  nav
  .container
  .navbar-collapse
  .navbar-nav
  li
  .btn-group
  .dropTit:hover {
  color: #04a7f9;
}
header
  nav
  .container
  .navbar-collapse
  .navbar-nav
  li
  .btn-group
  .dropTit:active {
  color: #04a7f9;
}
header
  nav
  .container
  .navbar-collapse
  .navbar-nav
  li
  .btn-group
  .speMenu::before {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: -13px;
  content: "";
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 0 7.5px 10px 7.5px;
  border-color: transparent transparent #199de3 transparent;
}
header nav .container .navbar-collapse .navbar-nav li .btn-group .speMenu {
  background: #ffffff;
  border: none;
  border-top: 3px solid #199de3;
  box-shadow: 1px 1px 16px 0px rgba(145, 149, 177, 0.6);
  border-radius: 0;
  left: -13.5px !important;
  min-width: 4rem !important;
  font-weight: 400;
  color: #333333 !important;
  margin: 0.8rem 0 0;
  padding: 0.3rem 0.5rem !important;
  transition: all 0.3s ease-out;
}
header nav .container .navbar-collapse .navbar-nav li .btn-group .speMenu li {
  margin-right: 0 !important;
}
header nav .container .navbar-collapse .navbar-nav li .btn-group .speMenu a {
  font-size: 15px;
  color: #333333 !important;
  line-height: 34px !important;
  margin: 0 auto;
  border-bottom: none;
}
header
  nav
  .container
  .navbar-collapse
  .navbar-nav
  li
  .btn-group
  .speMenu
  a:hover {
  color: #04a7f9 !important;
}
header nav .container .try-btn {
  cursor: pointer;
  font-size: 0.57142857rem;
  /* color: #1469B4; */
  color: #199ee4;
  padding: 0.25571429rem 0.28571429rem;
  border-radius: 0.14285714rem;
  border: 1px solid #199ee4;
  /* border:2px solid #ffffff; */
  margin-left: 0.75rem;
  line-height: 1;
}
header nav .container .try-btn span a {
  color: #199ee4;
}
header nav .container .try-btn:hover {
  background: linear-gradient(90deg, #1599ce, #199ee4);
}
header nav .container .try-btn:hover span a {
  color: #ffffff;
}
header nav .container .login-btn {
  cursor: pointer;
  font-size: 0.57142857rem;
  /* font-size: 0.64285714rem; */
  color: #ffffff;
  padding: 0.28571429rem;
  /* background: #1371BD; */
  border-radius: 0.14285714rem;
  background: linear-gradient(90deg, #1599ce, #199ee4);
  margin-left: 0.75rem;
  line-height: 1;
  /* transition: 0.5s; */
}
header nav .container .login-btn:hover {
  background: #1469b4;
}
/* @media only screen and (max-width: 992px){
  header nav .container .try-btn，
  header nav .container .login-btn {
    font-size: 0.57142857rem;
    white-space: nowrap;
    margin: 0.5rem;
    display: none;
  }
} */

.font-size {
  font-size: 16px;
  color: #2c8ecd;
}
@media only screen and (max-width: 1044px) {
  header nav .container .navbar-collapse .navbar-nav li {
    margin-right: 0.964286rem;
  }
}
@media only screen and (max-width: 992px) {
  header nav .container #navbarNav .navbar-nav li {
    margin-right: 0;
  }
  header nav .container #navbarNav .navbar-nav li.active a {
    color: #04a7f9;
    display: block;
    border-bottom: 1px solid #04a7f9;
    width: 100%;
    text-align: center;
  }
  header nav .container #navbarNav .navbar-nav li a {
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    width: 100%;
    text-align: center;
    padding: 0.4rem 1rem;
  }
  header nav .container .navbar-collapse .navbar-nav li {
    line-height: 1rem;
    height: 1.78571429rem;
  }
  .mobile {
    display: block !important;
  }
  .dropd {
    display: none !important;
  }
  header nav .container .navbar-collapse .navbar-nav li a {
    color: #333333 !important;
  }
  header nav .container .navbar-collapse .navbar-nav li.active a {
    color: #04a7f9;
    border-bottom: 1px solid #04a7f9;
  }
  /* 按钮 */
  header nav .container .try-btn,
  header nav .container .login-btn {
    font-size: 0.57142857rem;
    white-space: nowrap;
    margin: 0.5rem;
    display: none;
  }
}
@media only screen and (max-width: 991px) {
  header nav .container #navbarNav .navbar-nav {
    width: 50%;
    position: fixed;
    /* top: 3.14285714rem; */
    top: 2.78571429rem;
    right: 0;
    background: rgba(255, 255, 255, 0.9);
  }
}
@media only screen and (max-width: 992px) and (min-width: 768px) {
  header nav .container .navbar-toggler {
    margin-right: 1.07142857rem;
  }
  header nav .container .login-btn {
    font-size: 0.57142857rem;
    white-space: nowrap;
    margin: 0.5rem;
    /* margin-right: -50px; */
    position: fixed;
    right: 0.35714286rem;
    display: inline !important;
  }
}
@media only screen and (max-width: 767px) {
  header nav .container .try-btn， header nav .container .login-btn {
    font-size: 0.57142857rem;
    white-space: nowrap;
    margin: 0.5rem;
    display: none !important;
  }
}
@media only screen and (min-width: 992px) {
  header nav .container .navbar-collapse {
    width: auto;
    height: 100%;
    position: relative;
    background: none;
    /* overflow: hidden; */
  }
  header nav .container .navbar-collapse .navbar-nav {
    position: absolute;
    top: 0;
    /* right: 0; */
    left: 0;
    display: flex;
    align-items: center;
    height: 100%;
  }
  header nav .container .navbar-collapse .navbar-nav li.active {
    border: none;
    background: none;
  }
  header nav .container .navbar-collapse .navbar-nav li.active a {
    color: #04a7f9;
  }
  header nav .container .navbar-collapse .navbar-nav li.active:after {
    display: block;
  }
  header nav .container .navbar-collapse .navbar-nav li:hover {
    border: none;
    background: none;
  }
  header nav .container .navbar-collapse .navbar-nav li:hover:after {
    display: block;
  }
  header nav .container .navbar-collapse .navbar-nav li a {
    display: block;
    white-space: nowrap;
  }
}
@media only screen and (max-width: 1200px) and (min-width: 992px) {
  header nav .container .navbar-collapse {
    margin-right: -2rem;
  }
}
@media only screen and (max-width: 576px) {
  header nav {
    padding-right: 0 !important;
  }
  header nav .container {
    padding: 0 0.8rem !important;
  }
  header nav .container .navbar-collapse .navbar-nav li {
    line-height: 1rem;
  }
}

@media only screen and (max-width: 375px) {
  header nav .container .navbar-collapse .navbar-nav {
    width: 50%;
  }
  header nav .container .navbar-collapse .navbar-nav li {
    line-height: 1rem;
    /* height: 1.96428571rem; */
  }
  .mobile {
    display: block !important;
  }
  .dropd {
    display: none !important;
  }
  header nav .container .navbar-collapse .navbar-nav li a {
    color: #333333 !important;
  }
  header nav .container .navbar-collapse .navbar-nav li.active a {
    color: #04a7f9;
    border-bottom: 1px solid #04a7f9;
  }
}
/* 动画 */
@keyframes rowup1 {
  0% {
    width: 100%;
    height: 0%;
  }
  100% {
    width: 100%;
    height: 300%;
  }
}
.showHead {
  display: block;
}