* {
  margin: 0 auto;
  padding: 0;
}
article,
aside,
dialog,
footer,
header,
section,
footer,
nav,
figure,
menu {
  display: block;
}
.left {
  float: left;
}
.right {
  float: right;
  margin-top: 20px;
}
.clearfix:after {
  clear: both;
}
.clearfix:after,
.clearfix:before {
  display: table;
  content: ' ';
}
.main {
  width: 1120px;
  margin: 0 auto;
}
body {
  font-family: 'Microsoft YaHei';
}
ul li {
  list-style-type: none;
}
a {
  text-decoration: none;
}
.page1 {
  display: flex;
  align-items: center;
  position: relative;
}
.headbox {
  width: 100%;
  height: 61px;
  margin: 0;
  padding: 5px 0;
  clear: both;
  background-color: #fff;
  position: fixed;
  z-index: 999;
}
.head {
  height: 70px;
}
.main .logo {
  width: 10%;
}
.menu ul {
  list-style-type: none;
}
.menu {
  float: right;
  line-height: 50px;
}
.menu ul li {
  float: left;
  list-style: none;
  text-align: center;
  height: 50px;
  line-height: 50px;
  margin: 0 10px;
  color: #666;
}
.menu ul li a {
  color: #4d4d4d;
  font-size: 15px;
}
.menu li a:hover,
.hovera a {
  color: #008ae2;
}
.h51 {
  height: 61px;
  width: 100%;
}
.banner {
  padding: 0 0 80px;
  background-color: #2e8ee5;
  background-image: url('./banner.png');
  position: relative;
}
.brand_logo {
  width: 1120px;
  height: 80px;
  margin: 0 auto;
}
.brand_logo img {
  width: 120px;
  height: 50px;
  background-image: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.1) 0%,
    rgba(255, 255, 255, 0.2) 100%
  );
  border-radius: 4px;
}
.banner #play_btn {
  width: 70px;
  height: 70px;
  position: absolute;
  left: 254px;
  outline: none;
  z-index: 10;
}
.banner video {
  max-width: 512px;
  width: 50%;
}
.banner .banner_main {
  color: #fff;
  margin-left: 70px;
}
.banner .banner_main h3 {
  font-size: 56px;
}
.banner .banner_main i {
  font-style: normal;
}
.banner .banner_main p {
  margin: 6px 0 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  display: inline-block;
}
.banner .banner_main p.des {
  font-size: 18px;
}
.banner .banner_main a {
  font-size: 18px;
  color: #fff;
  display: block;
  border-radius: 4px;
  width: 200px;
  height: 46px;
  line-height: 46px;
  text-decoration: none;
  text-align: center;
  background: #00ce00;
  margin: 20px 0 3px 0;
}
.banner .banner_main a.orange {
  background: transparent;
  border: 1px solid #ffffff;
  float: right;
  margin-left: 20px;
}
.banner .banner_main a.other {
  font-size: 14px;
  display: inline-block;
  color: rgba(255, 255, 255, 0.9);
  background-color: transparent;
  text-decoration: underline;
  line-height: normal;
  height: auto;
  width: auto;
  padding: 0 20px;
  margin: 20px 20px 0 0;
  position: relative;
}
.banner .banner_main a.other::after {
  content: '';
  position: absolute;
  right: 0;
  top: 5px;
  width: 1px;
  height: 10px;
  background-color: rgba(255, 255, 255, 0.3);
}
.express header {
  margin: 80px auto 0;
  text-align: center;
  position: relative;
}
.express header::after {
  content: '';
  width: 200px;
  height: 20px;
  position: absolute;
  left: 50%;
  margin-left: -100px;
  top: 40px;
  background-color: rgb(0, 206, 0);
  z-index: 1;
}
.express header p {
  font-size: 40px;
  color: #000000;
  font-weight: 600;
  z-index: 2;
  position: relative;
}
.express header span {
  font-size: 24px;
  color: #666666;
  display: block;
  margin: 15px auto 0;
}
.express .contrast {
  overflow: hidden;
  margin-top: 40px;
}
.express .contrast a {
  display: inline-block;
  position: relative;
}
.express .contrast a::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  width: 512px;
  height: 288px;
  background-color: rgba(30, 140, 224, 0.1);
  border-radius: 4px;
}
.express .contrast a img {
  width: 512px;
  height: 288px;
  border-radius: 4px;
}
.express .contrast a .p1 {
  font-size: 26px;
  color: #000000;
  text-align: center;
  margin-top: 26px;
}
.express .contrast a .p2 {
  font-size: 18px;
  color: #333333;
  text-align: center;
  margin-top: 6px;
}
.express .article_box {
  margin: 60px 0 0;
  width: 1120px;
  height: 288px;
  background: #f0f0f0;
  border-radius: 4px;
}
.express article {
  position: relative;
  width: 50%;
  height: 288px;
}
.express .main {
  position: relative;
}
.express ul p {
  margin-left: 40px;
  color: #666;
}
.express article .num_box {
  width: 102px;
  height: 116px;
  background: url('./image/tcl/No.png') no-repeat;
  background-size: cover;
  position: absolute;
  top: -40px;
  left: 48px;
  text-align: center;
  vertical-align: middle;
}
.express.last article .num_box {
  right: 48px;
  left: initial;
}
.express article .num_box img {
  width: 62px;
  height: 66px;
  margin: 27px auto;
}
.express article .mode {
  font-size: 34px;
  color: #008cf0;
  font-weight: 600;
  position: absolute;
  top: 28px;
  left: 160px;
}
.express article .img_box {
  width: 50%;
}
.express .img_box img {
  display: block;
  max-width: 512px;
  max-height: 288px;
  margin: -20px 20px 0 0;
}
.express.last .img_box img {
  margin: -20px 0 0 20px;
}
.express article ul {
  margin-top: 86px;
}
.express article ul li {
  padding-left: 66px;
  position: relative;
  font-size: 23px;
  color: #000000;
  margin-bottom: 10px;
}
.express article ul li:before {
  content: ' ';
  background: #008cf0;
  width: 14px;
  height: 14px;
  position: absolute;
  top: 10px;
  left: 40px;
  transform: rotate(45deg);
  -webkit-transform: rotate(45deg);
}
.express article ul li a {
  color: #008cf0;
}
.download {
  text-align: center;
}
.download .download_btn {
  width: 340px;
  height: 80px;
  line-height: 80px;
  background: #00ce00;
  border-radius: 4px;
  margin: 80px auto 100px;
  display: inline-block;
}
.download .download_btn p {
  font-size: 36px;
  color: #ffffff;
  display: inline-block;
  vertical-align: middle;
}
.download .download_btn img {
  width: 30px;
  height: 30px;
  margin-left: 12px;
  vertical-align: middle;
}
.footer {
  text-align: center;
  background: #2a2a2a;
  color: #808080;
}
.footer h3 {
  font-size: 24px;
  margin: 20px auto;
}
.footer ul {
  text-align: left;
  width: 1200px;
}
.footer ul li {
  display: inline-block;
  vertical-align: middle;
  width: 12%;
  font-size: 14px;
  margin: 10px auto;
  text-align: left;
  _zoom: 1;
  *display: inline;
}
.footer a {
  color: #808080;
}
.footer span {
  margin: 0 10px;
}
.footer p {
  margin: 10px auto;
}
.tool_box {
  position: fixed;
  right: 20px;
  bottom: 200px;
  /*display:none;*/
  width: 0;
  overflow: hidden;
  transition: all 0.5s;
  -webkit-transition: all 0.5s;
  -moz-transition: all 0.5s;
  -o-transition: all 0.5s;
}
.tool_box div {
  width: 50px;
  height: 50px;
  margin: 10px 0;
  background-color: #808080;
  background-position: center center;
}
/*.tool_box .go_top:hover{
	background-repeat:repeat-y;
	animation:go_up 1s infinite;
	-moz-animation:go_up 1s infinite; 
	-webkit-animation:go_up 1s infinite; 
	-o-animation:go_up 1s infinite; 
	animation-delay:0;
	animation-direction:alternate;
}*/
.tool_box .question,
.tool_box .go_down,
.tool_box .go_top {
  background-image: url('./image/tcl/help.png');
  background-repeat: no-repeat;
  background-position: center;
  background-color: #808080;
  text-align: center;
  padding: 10px;
  font-size: 14px;
  width: 30px;
  height: 30px;
  color: rgba(255, 255, 255, 0);
  cursor: pointer;
}
.tool_box .go_down a,
.tool_box .question a {
  color: inherit;
  display: inline-block;
  margin-top: -5px;
}
.tool_box .go_top {
  background-image: url('./image/tcl/top.png');
  line-height: 30px;
}
.tool_box .question:hover,
.tool_box .go_down:hover,
.tool_box .go_top:hover {
  background: #b3b3b3;
  color: #fff;
  transition: all 1s linear;
}
.tool_box .go_down {
  background-image: url('./image/tcl/down.png');
}
@keyframes go_up {
  0% {
    background-position: center 0%;
  }
  /*	50%{
		background-position:center 100%;
	}*/
  100% {
    background-position: center 100%;
  }
}
@-webkit-keyframes go_up {
  0% {
    background-position: center 0%;
  }
  50% {
    background-position: center 100%;
  }
  100% {
    background-position: center 0%;
  }
}
@-moz-keyframes go_up {
  0% {
    background-position: center 0%;
  }
  50% {
    background-position: center 100%;
  }
  100% {
    background-position: center 0%;
  }
}
@-o-keyframes go_up {
  0% {
    background-position: center 0%;
  }
  50% {
    background-position: center 100%;
  }
  100% {
    background-position: center 0%;
  }
}