@media screen and (max-width: 960px) {
  body .header-wrap {
    display: none;
  }
  body .m-header {
    display: block;
  }
  body .m-header-menu li {
    display: block;
  }
}
.m-header {
  width: 100%;
  height: 1rem;
  position: relative;
  display: none;
}
.m-header .logo {
  color: #000;
  position: absolute;
  top: 10px;
  left: 10px;
  z-index: 999;
  font-size: 38px;
}
.m-header .m-header-menu {
  position: absolute;
  left: 0;
  top: 0.98rem;
  z-index: 99;
  width: 100%;
}
.m-header .m-header-menu li {
  background-color: #fff;
  height: 0.8rem;
  line-height: 0.8rem;
  padding-left: 0.3rem;
  display: none;
}
.container {
  position: relative;
  height: 100%;
}
.container .top-banner {
  height: 100%;
  color: #fff;
  padding: 1px;
  background: #4286f3;
  position: relative;
}
.container .top-banner .des {
  margin-top: 300px;
  text-align: center;
}
.container .top-banner .des span {
  display: block;
  margin-top: 30px;
  font-size: 40px;
}
.container .top-banner .button {
  position: absolute;
  left: 50%;
  margin-left: -60px;
  bottom: 100px;
  width: 120px;
  height: 40px;
  line-height: 40px;
  border-radius: 20px;
  box-shadow: #e8f0fe;
  background: #e8f0fe;
  color: #4286f3;
  cursor: pointer;
  text-align: center;
  margin-top: 100px;
}
.container .top-banner .button .arrow {
  position: absolute;
  left: 50%;
  bottom: -50px;
  color: #fff;
  font-size: 30px;
  margin-left: -15px;
  animation: vertical 1.5s linear 0.3s infinite alternate;
}
@keyframes vertical {
  0% {
    -webkit-transform: translate(0, 0);
    -ms-transform: translate(0, 0);
    transform: translate(0, 0);
    opacity: 0.5;
  }
  50% {
    opacity: 0.8;
  }
  100% {
    -webkit-transform: translate(0, 10px);
    -ms-transform: translate(0, 10px);
    transform: translate(0, 10px);
    opacity: 1;
  }
}
.header-wrap {
  position: absolute;
  width: 100%;
  top: 26px;
  z-index: 2;
}
.header-wrap .header {
  width: 1200px;
  margin: 0 auto;
}
.header-wrap .header .logo {
  float: left;
  font-size: 35px;
  color: #fff;
}
.header-wrap .header .logo span {
  display: inline-block;
  font-size: 28px;
}
.header-wrap .header .logo span:nth-of-type(1) {
  animation-delay: 0.5s;
}
.header-wrap .header .logo span:nth-of-type(2) {
  animation-delay: 0.9s;
}
.header-wrap .header .logo span:nth-of-type(3) {
  animation-delay: 1.4s;
}
.header-wrap .header .logo span:nth-of-type(4) {
  animation-delay: 1.9s;
}
.header-wrap .header .logo span:nth-of-type(5) {
  animation-delay: 2.4s;
}
.header-wrap .header .logo span:nth-of-type(6) {
  animation-delay: 2.9s;
}
.header-wrap .header ul {
  float: right;
  margin-right: 150px;
}
.header-wrap .header ul li {
  position: relative;
  float: left;
  margin-right: 30px;
  line-height: 42px;
  color: #fff;
  cursor: pointer;
}
.header-wrap .header ul li.active {
  color: #4286f3;
}
.header-wrap .header ul li a {
  color: inherit;
}