body {
  margin: 0;
  padding: 0;
  font-family: "微軟正黑體", Helvetica, Arial, sans-serif;
  background: #080501;
  min-width: 1000px;
}

* {
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

body,
html {
  width: 100%;
  height: 100%;
}

img {
  max-width: 100%;
  height: auto;
}

a:hover,
a:focus,
a:active,
a:visited {
  text-decoration: none;
}

#particles-js {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 99;
}

.wrapper {
  position: relative;
  min-width: 1200px;
  overflow: hidden;
}

.bg-primary {
  background-color: rgba(0, 0, 0, 0.85) !important;
}

.head {
  background: url(../images/index_01.jpg) no-repeat 50% 0;
  height: 1000px;
  position: relative;
}

.head:before {
  content: '';
  opacity: 0;
  position: absolute;
  pointer-events: none;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(../images/index_01_over.jpg) no-repeat 50% 0;
  -webkit-animation: opacity 6s infinite cubic-bezier(0.42, 0, 0.03, 0.99);
  animation: opacity 6s infinite cubic-bezier(0.42, 0, 0.03, 0.99);
}

.con1 {
  background: url(../images/index_02.jpg) no-repeat 50% 0;
  height: 1776px;
}

.con2 {
  background: url(../images/index_03.jpg) no-repeat 50% 0;
  height: 3174px;
  position: relative;
}

.revisionsBtn {
  background: transparent url(../images/revisionsbtn.png) no-repeat 0 0;
  width: 277px;
  height: 88px;
  margin: 0 auto;
  position: absolute;
  left: 50%;
  margin-left: -139px;
  bottom: 120px;
  text-indent: -99999rem;
  -moz-transition: all 0.25s ease-in-out;
  -webkit-transition: all 0.25s ease-in-out;
  transition: all 0.25s ease-in-out;
}

.con3 {
  background: url(../images/index_04.jpg) no-repeat 50% 0;
  height: 1934px;
  position: relative;
}

.videoBtn {
  background: transparent url(../images/video_btn.png) no-repeat 0 0;
  width: 87px;
  height: 87px;
  margin: 0 auto;
  position: absolute;
  left: 50%;
  margin-left: -341px;
  top: 535px;
  text-indent: -99999rem;
  -moz-transition: all 0.25s ease-in-out;
  -webkit-transition: all 0.25s ease-in-out;
  transition: all 0.25s ease-in-out;
  z-index: 9;
  outline: none !important;
  border: none;
  opacity: .6;
}

.videoBtn:hover {
  opacity: 1;
}

.revisionsBtn:hover {
  -webkit-filter: brightness(130%);
  filter: brightness(130%);
}

.modal-dialog {
  max-width: 1000px;
  margin: 100px auto;
}

.modal-content {
  border-radius: 0;
  background: transparent;
}

.modal-body {
  position: relative;
  padding: 0px;
}

.close {
  position: absolute;
  right: -30px;
  top: 0;
  z-index: 999;
  font-size: 2rem;
  font-weight: normal;
  color: #fff;
  opacity: 1;
}

/* fixed info */

.msg {
  transition: .3s all ease-in;
  opacity: 0;
  line-height: 12px;
  vertical-align: middle;
  position: absolute;
  right: 20px;
  bottom: 10px;
  font-size: 12px;
  color: rgba(255, 255, 255, 1);
}

.msg label {
  cursor: pointer;
}

.msg input {
  position: relative;
  top: 3px;
}

.msg:hover {
  opacity: 1;
}

#footerWrap {
  transition: height 0.2s ease-out 0s;
  position: relative;
}

.pop {
  background: url(../images/pop.png) no-repeat;
  background-repeat: no-repeat;
  background-position: left bottom;
  width: 100%;
  height: 147px;
  position: fixed;
  z-index: 10;
  left: 0;
  bottom: 0;
  /*transition: all .8s ease;*/
  display: none;
}

.pop_elin {
  position: absolute;
  left: 50%;
  top: -27px;
  margin-left: -500px;
}

.pop.active {
  bottom: -480px;
}

.pop .btn {
  background-color: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  position: absolute;
  bottom: 7px;
  left: 50%;
  background-repeat: no-repeat;
  display: block;
  transition: all .3s ease;
}

.pop .btn:hover {
  transform: scale(1.05)
}

.pop .btn.btn_download {
  background: url(../images/btn.png) no-repeat;
  background-position: 0 0;
  height: 87px;
  width: 300px;
  margin-left: -163px;
}

.pop .btn.btn_register {
  background: url(../images/btn.png) no-repeat;
  background-position: -300px 0;
  height: 103px;
  width: 300px;
  margin-left: 153px;
}

.close_pop {
  position: absolute;
  top: 13px;
  right: 20px;
  cursor: pointer;
  z-index: 11;
}

@keyframes opacity {
  50% {
    opacity: 1;
  }
}

@-webkit-keyframes opacity {
  50% {
    opacity: 1;
  }
}