.bg,
.container {
  position: relative;
}
.header .txt > h1,
.header .txt > p {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
html {
  font-size: 10px;
}
body,
dl,
h1,
h2,
h3,
h4,
h5,
h6,
li,
ol,
p,
ul {
  margin: 0;
  padding: 0;
}
.container,
.top > img {
  max-width: 750px;
  margin: 0 auto;
}
dl,
ol,
ul {
  list-style: none;
}
body {
  background: #1b562f;
  color: #fff;
  font-family: "Microsoft YaHei";
}
.img-responsive {
  width: 100%;
  display: block;
}
.bg {
  z-index: 0;
}
.btn {
  position: absolute;
  z-index: 2;
  top: 0;
  left: 50%;
  width: 100%;
  height: 100%;
  max-width: 750px;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);
}
.header,
.top {
  width: 100%;
  top: 0;
  left: 0;
}
.btn a {
  display: block;
}
.top {
  position: fixed;
  z-index: 1;
  background: #00163f;
}
.footer {
  padding: 1em 0;
  background: #202020;
  font-size: 12px;
  position: relative;
}
.footer p {
  text-align: center;
  line-height: 1.5;
}
.header {
  position: fixed;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  color: #fff;
  flex-wrap: nowrap;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  z-index: 2;
}
.header .icon {
  width: 0.74rem;
  margin: 0 0.26rem 0 0.16rem;
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
}
.header .txt {
  -webkit-box-flex: 1;
  -ms-flex: auto;
  flex: auto;
}
.header .txt > h1 {
  font-weight: 400;
  font-size: 0.32rem;
}
.header .txt > p {
  font-size: 0.26rem;
}
.header .btn_download {
  float: right;
  width: 1.88rem;
  -webkit-box-flex: 0;
  -ms-flex: none;
  flex: none;
  margin-right: 0.16rem;
}
.animated {
  -webkit-animation-duration: 2s;
  animation-duration: 2s;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
}
.animated.infinite {
  -webkit-animation-iteration-count: infinite;
  animation-iteration-count: infinite;
}
@-webkit-keyframes tada {
  from,
  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
  10%,
  20% {
    -webkit-transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
    transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
  }
  30%,
  50%,
  70%,
  90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
  }
  40%,
  60%,
  80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
  }
}
@keyframes tada {
  from,
  to {
    -webkit-transform: scale3d(1, 1, 1);
    transform: scale3d(1, 1, 1);
  }
  10%,
  20% {
    -webkit-transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
    transform: scale3d(0.9, 0.9, 0.9) rotate3d(0, 0, 1, -3deg);
  }
  30%,
  50%,
  70%,
  90% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, 3deg);
  }
  40%,
  60%,
  80% {
    -webkit-transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
    transform: scale3d(1.1, 1.1, 1.1) rotate3d(0, 0, 1, -3deg);
  }
}
.tada {
  -webkit-animation-name: tada;
  animation-name: tada;
}
.btn a.btn-bottom {
  position: absolute;
  top: 9.3rem;
  left: 35%;
  width: 2.5rem;
}
.btn1 a.qq-bottom {
  width: 1.5rem;
  position: fixed;
  top: 7rem;
  right: 0%;
}
a {
  text-decoration: none;
}
a:hover {
  text-decoration: none;
}
.dw_propt {
  max-width: 750px;
  width: 100%;
  min-height: 1.4rem;
  background: rgba(255, 255, 255, 0.77);
  position: fixed;
  bottom: 0;
  left: 50%;
  max-width: 750px;
  -webkit-transform: translateX(-50%);
  -ms-transform: translateX(-50%);
  transform: translateX(-50%);

  box-shadow: 0 0 2px rgba(0, 0, 0, 0.35);
}
.ppt_lt {
  position: relative;
}
.img {
  display: block;
  width: 1.1rem;
  height: 1.1rem;
  position: absolute;
  top: 0.22rem;
  left: 0.38rem;
  overflow: hidden;
}
.img img {
  display: block;
  width: 100%;
  height: 100%;
}
.ppt_lt .lt_t {
  padding: 0.2rem 0 0 1.74rem;
  color: #333;
}
.ppt_lt .lt_t h3 {
  font-size: 0.4rem;
}
.ppt_lt .lt_t span {
  font-size: 0.28rem;
  color: #545454;
  display: block;
  margin-top: 0.15rem;
}
.ppt_lt_ii .lt_in {
  margin: 0 0.3rem;
  position: relative;
}
.ppt_lt .ppt_dw {
  display: block;
  width: 2.1rem;
  height: 0.9rem;
  line-height: 0.9rem;
  background: #43c117;
  color: #fff;
  text-align: center;
  font-size: 0.32rem;
  border-radius: 0.08rem;
  position: absolute;
  top: 0.33rem;
  right: 0.3rem;
}
.ppt_lt_ii .ppt_dw {
  width: 100%;
  left: 0;
  right: 0;
}
footer {
  min-height: 1rem;
  padding: 0.2rem 0;
  text-align: center;
}
.guid {
  position: fixed;
  left: 0;
  top: 0;
  height: 100%;
  width: 100%;
  background: rgba(0, 0, 0, 0.8);
  text-align: center;
  padding: 0 0.3rem;
  z-index: 99;
  display: none;
  box-sizing: border-box;
}
.guid img {
  max-width: 100%;
}
.guid-1 {
  position: relative;
  padding: 0.2rem 0.5rem 0 1rem;
}
.guid-1 img {
  margin-left: -0.5rem;
  margin-top: 0;
}
.guid-1 .guid-close {
  position: absolute;
  right: 0.2rem;
  top: 0.15rem;
  width: 0.5rem;
}
.guid-2 {
  margin-top: -0.4rem;
}
.guid-3 img {
  width: 40%;
  margin: 0 auto;
  display: block;
}
.guid-4 img {
  width: 40%;
  margin: 0 auto;
  display: block;
}
.guid-bottom {
  position: absolute;
  left: 0;
  width: 100%;
  bottom: 0;
}
.footer1 {
  width: 100%;
  position: absolute;
  left: 0;
  bottom: 0;
}

.footer1 p {
  font-size: 0.2rem;
  text-align: center;
  color: #fff;
  padding: 0.2rem;
}
.guid.btn_tip {
  position: absolute;
  background: url(./tip.png) no-repeat center;
  text-align: center;
  color: #fff;
  font-size: 14px;
  width: 200px;
  height: 30px;
  line-height: 30px;
  top: -40px;
  left: 48px;
}

.tgbtn a.tgfloat {
  width: 1.2rem;
  position: fixed;
  bottom: 3rem;
  cursor: pointer;
  right: 0%;
}

.guide-box {
  opacity: 0;
  position: fixed;
  width: 100vw;
  height: 100vh;
  margin: auto;
  top: 0;
  left: 0;
  right: 0;
  bottom: -200vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.9);
  flex-direction: column;
  row-gap: 10px;
  transition: all 0.2s linear;
}

.close-btn {
  width: 25px;
  height: 25px;
  position: absolute;
  top: 10px;
  right: 30px;
  text-align: center;
  color: #fff;
  line-height: 23px;
  font-size: 25px;
  font-weight: bold;
  background-color: rgb(0, 0, 0, 0.7);
  border-radius: 50%;
  cursor: pointer;
}

.guide {
  height: 90vh;
}
.guide-btn {
  position: absolute;
  bottom: 35px;
  transform: scale(0.9);
}
@media screen and (max-width: 621px) {
  .guide {
    width: 100%;
    height: auto;
  }
  .guide-btn {
    transform: scale(0.7);
    bottom: 10px;
  }
  .close-btn {
    top: 10px;
    right: 10px;
  }
}