.nav-toggle {
  width: 50px;
  height: 50px;
  z-index: 2;
  border-radius: 50%;
  margin: 10px;
  position: absolute;
  cursor: pointer;
  position: absolute;
  right: -4px;
  top: -16px;
  -webkit-transition-duration: 0.66s;
  transition-duration: 0.66s;
  -webkit-transition-timing-function: swing;
  transition-timing-function: swing;
}

.nav-toggle:before {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  -ms-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  -webkit-transition-duration: 0.66s;
  transition-duration: 0.66s;
  -webkit-transition-timing-function: swing;
  transition-timing-function: swing;
}

.nav-toggle .icon {
  width: 27px;
  height: 4px;
  background-color: black;
  border-radius: 2px;
  position: absolute;
  top: 28px;
  left: 12px;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  transiting-timing-function: swing;
}

.nav-toggle .icon:before,
.nav-toggle .icon:after {
  width: 27px;
  height: 4px;
  background-color: black;
  border-radius: 2px;
  content: "";
  position: absolute;
  left: 0;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  -webkit-transition-timing-function: swing;
  transition-timing-function: swing;
}

.nav-toggle .icon:before {
  top: -9px;
}

.nav-toggle .icon:after {
  top: 9px;
}

body.nav-open .lower-screen {
  -webkit-transform: scale(0.8, 0.8);
  -ms-transform: scale(0.8, 0.8);
  transform: scale(0.8, 0.8);
}

body.nav-open .nav {
  -webkit-transform: translateY(0);
  transform: translateY(0);
}

body.nav-open .nav-toggle {
  box-shadow: none;
}

body.nav-open .nav-toggle:before {
  width: 10000px;
  height: 10000px;
  background-color: rgba(255, 255, 255, 0.95);
}

body.nav-open .nav-toggle .icon {
  width: 0;
}

body.nav-open .nav-toggle .icon:before {
  -webkit-transform: translateY(9px) rotate(45deg);
  -ms-transform: translateY(9px) rotate(45deg);
  transform: translateY(9px) rotate(45deg);
  background-color: #000;
}

body.nav-open .nav-toggle .icon:after {
  -webkit-transform: translateY(-9px) rotate(-45deg);
  -ms-transform: translateY(-9px) rotate(-45deg);
  transform: translateY(-9px) rotate(-45deg);
  background-color: #000;
}

body.nav-open {
  overflow: hidden;
}

.nav {
  position: absolute;
  top: 80px;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 9;
  -webkit-transition-duration: 0.66s;
  transition-duration: 0.66s;
  -webkit-transition-timing-function: swing;
  transition-timing-function: swing;
  -webkit-transform: translateY(100%);
  transform: translateY(100%);
}

.nav ul li {
  list-style: none;
}

.nav ul li a {
  display: block;
  padding: 10px 0;
  text-align: center;
  color: #222;
  text-decoration: none;
  font-size: 20px;
  -webkit-transition-duration: 0.25s;
  transition-duration: 0.25s;
}

.nav ul:hover li a {
  opacity: 0.5;
}

.nav ul:hover li:hover a {
  opacity: 1;
}

.nav ul li.nav-on a {
  background: #000;
  -webkit-background-clip: text;
  color: transparent;
  background-size: 150px;
  font-weight: bold;
}

.sj-wrapper {
  overflow: hidden;
  display: none;
  position: relative;
}
.sj-header{
  height: .9rem;
}
.sj-logo{
  width: 2.64rem;
  margin-left: 0.32rem;
  padding-top: 0.25rem;
}

.sj-content .sjc1{
  font-family: "zihun";
  text-align: center;
  font-size: 0.7rem;
  padding: .7rem 0 .3rem;
}

.sj-content .sjc2{
  font-family: "fzl";
  text-align: center;
  font-size: 0.3rem;
}

.sj-content .sjc3{
  padding: .5rem 0 .6rem;
}
.sjc4{
  text-align: center;
}
.sjc5{
  padding: .3rem 0 .5rem;
}
.sj-con-con{
  font-size: .22rem;
  text-align: center;
  line-height: .5rem;
}

.heng{
  width: 100%;
  height: 3.18rem;
  background: url(../images/sjheng-bigday.png) no-repeat center;
  background-size: cover;
}
.sjc6{
  font-family: Arial, Helvetica, sans-serif;
  font-size: .22rem;
  text-align: center;
  padding: .4rem 0 .6rem;
}
.sjc7{
  width: 89%;
  margin: 0 auto;
}
.sjc8{
  font-size: .14rem;
  font-family: Arial, Helvetica, sans-serif;
  color: #848484;
  text-align: center;
  padding: .4rem 0 .9rem;
}

.sjfooter .sj-black{
  width: .94rem;
  margin: 0 auto;
}

.sjfooter .sj-copy{
  text-align: center;
  font-size: .3rem;
  color: #242435;
  padding: 15px 0 ;
}
.sjfooter .sj-copy span{font-weight: bold;}

@media screen and (max-width: 769px) {
  .wrapper {
    display: none;
  }

  .sj-wrapper {
    display: block;
  }

  .nav-deo {
    display: block;
  }

  .reveal-modal-video {
    width: 100%;
  }
}