* {
  padding: 0;
  margin: 0;
}
body {
  width: 100%;
  font: 0.21875rem/1.5 'Microsoft YaHei', arial;
  color: #333;
  margin: auto;
  overflow-x: hidden;
}
::-webkit-scrollbar {
  width: 0.046875rem;
  height: 0.046875rem;
  background-color: #F5F5F5;
}
::-webkit-scrollbar-track {
  border-radius: 0.15625rem;
  background-color: #E2E2E2;
}
::-webkit-scrollbar-thumb {
  border-radius: 0.15625rem;
  -webkit-box-shadow: inset 0 0 0.09375rem rgba(0, 0, 0, 0.3);
  box-shadow: inset 0 0 0.09375rem rgba(0, 0, 0, 0.3);
  background-color: #555;
}
*::before,
*::after {
  box-sizing: content-box;
}
a {
  color: #333;
  text-decoration: none;
}
a:link,
a:hover,
a:active,
a:visited {
  text-decoration: none;
}
li,
ul {
  list-style-type: none;
}
img {
  border: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
dl,
dd,
dt,
i,
em {
  font-style: normal;
}
body > div {
  font-size: 0.34375rem;
}
html,
body {
  width: 100%;
  background-color: #ffffff;
}
* {
  padding: 0;
  margin: 0;
}
.ydBox {
  width: 100%;
  height: 100vh;
  overflow: hidden;
  position: relative;
}
.ydbg {
  width: 100%;
  height: 100%;
  background: url(../images/ydbgM.jpg) center center no-repeat;
  background-size: cover;
  position: absolute;
  z-index: 0;
  left: 0;
  top: 0;
  animation: slide 1.2s both ease-out;
}
.ysLogo {
  position: absolute;
  z-index: 20;
  left: 0;
  top: 0;
  padding: 0.46875rem 0;
  width: 100%;
  animation: slideD 1.7s 0.6s both ease-out;
  pointer-events: initial !important;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}
.ysLogo img {
  display: block;
  max-width: 100%;
  height: 0.53125rem;
  margin: auto;
}
.ydTxt1 {
  z-index: 3;
  position: absolute;
  background: url(../images/ydtxt1M.png) center 0 no-repeat;
  background-size: contain;
  top: 16vh;
  margin-top: 1.96875rem;
  right: 50%;
  margin-right: -1.09375rem;
  width: 0.9375rem;
  height: 3.765625rem;
  animation: slideM 1.7s 1.2s both ease-out;
}
.ydTxt2 {
  z-index: 3;
  position: absolute;
  background: url(../images/ydtxt2M.png) center 0 no-repeat;
  background-size: contain;
  top: 16vh;
  left: 50%;
  margin-left: -1.09375rem;
  width: 0.9375rem;
  height: 3.75rem;
  animation: slideM 1.7s 1.6s both ease-out;
}
.ydTxt3 {
  z-index: 3;
  position: absolute;
  background: url(../images/ydtxt3M.png) center 0 no-repeat;
  background-size: contain;
  top: 16vh;
  left: 50%;
  margin-left: -0.875rem;
  margin-top: 4rem;
  width: 0.484375rem;
  height: 4.0625rem;
  animation: slideM 1.7s 2.1s both ease-out;
}
.linkBox {
  position: absolute;
  width: 100%;
  bottom: 14vh;
  animation: slideM 1.7s 2.4s both ease-out;
}
.linkBox .intoLink {
  display: block;
  margin: auto;
  width: 2.90625rem;
  height: 0.9375rem;
  background-color: #00bb9e;
  border-radius: 0.46875rem;
  line-height: 0.9375rem;
  text-align: center;
  font-size: 0.375rem;
  color: #ffffff;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  animation: links 1.7s 2s both ease-out;
}
.linkBox .intoLink:after {
  content: " >";
}
.linkBox .enLink {
  display: block;
  margin: auto;
  margin-top: 0.46875rem;
  width: 2.90625rem;
  background-color: #ffffff;
  border-radius: 0.46875rem;
  border: solid 1px #00bb9e;
  line-height: 0.90625rem;
  text-align: center;
  color: #00c196;
  font-size: 0.375rem;
  -webkit-transition: all 0.5s;
  transition: all 0.5s;
  animation: links 1.7s 2s both ease-out;
}
.linkBox .enLink:after {
  content: " >";
}
.copyright {
  position: absolute;
  width: 100%;
  bottom: 15px;
  font-size: 9px;
  color: #7bcbb9;
  line-height: 18px;
  text-align: center;
  animation: slideM 1.7s 3s both ease-out;
}
.copyright a {
  color: #7bcbb9;
}
@keyframes slide {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@keyframes slideM {
  0% {
    opacity: 0;
    transform: translateY(50px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}
@keyframes slideD {
  0% {
    opacity: 0;
    transform: translateY(-100px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}