* {
    margin: 0;
    padding: 0;
  }
a {
text-decoration: none;
font-weight: normal;
}
li {
list-style: none;
}
.firstline {
    position: absolute;
    /* position: relative; */
    width: 100%;
    height: 70px;
    padding-top: 2%;
    z-index: 2;
}
.trademark {
    position: absolute;
    /* position: relative; */
    width: 9%;
    height: 45%;
    padding-left: 1%;
    padding-top: 5%;
    font-size: 0.9em;
    font-weight: bolder;
    font-family: 'Arial Black';
    /* background-color: rgb(204, 185, 163); */
}
.trademark p {
  color: #3676ad;
}
/* .trademark img {
    width: 90%;
    height: 70%;
} */
.coname {
    position: absolute;
    /* position: relative; */
    width: 28%;
    height: 100%;
    left: 14%;
    padding-top: 4%;
    font-size: 1.1em;
    text-align: left;
    font-weight: bold;
    color: #3676ad;
    /* background-color: rgb(88, 143, 106); */
}
.phonenumber {
    position: absolute;
    /* position: relative; */
    width: 60%;
    height: 85%;
    right: 0;
    background-color: #3676ad;
    font-size: 1em;
}
.phonenumber img {
    display: none;
}
.phonenumber p {
    position: absolute;
    /* position: relative; */
    right: 0;
    top: 13%;
    color: white;
}
.emil {
    position: absolute;
    /* position: relative; */
    width: 60%;
    height: 100%;
    left: 40%;
    top: 26.5%;
    padding-top: 5%;
    /* background-color: #758f78; */
    font-size: 1em;
}
.emil img {
  display: none;
}
.emil p {
    position: absolute;
    /* position: relative; */
    right: 0;
    color: white;
}
.nav {
    position: absolute;
    width: 100%;
    height: 50px;
    margin-top: 90px;
    background-color: #3676ad;
}
.nav ul {
    position: absolute;
    width: 90%;
    height: 55%;
    display: flex;
    top: calc((50px - 55%)/2);
    left: calc((100% - 90%)/2);
    border-right: 1px solid #000;
}
.nav ul li {
    position: relative;
    height: 100%;
    flex: 1;
    font-family: "Microsoft YaHei";
    font-size: 0.9em;
    text-align: center;
    border-left: 1px solid #000;
    z-index: 2;
}
.nav ul li a{
    padding-top: 1%;
    color: rgb(232, 232, 232);
}
/* 鼠标悬停后字体变粗 */
.nav ul li:hover .navword {
    font-weight: bold;
    color: white;
  }
.production {
    position: absolute;
    width: 230%;
    height: 1050%;
    top: 132%;
    display: none;
    z-index: 2;
    background-color: #5080aa;
}
.production ul {
    position: absolute;
    display: block;
    width: 100%;
    height: 100%;
    top: 5%;
    left: 0;
    border-right: 0px;
}
.production ul li {
    width: 100%;
    height: 40px;
    font-family: "Microsoft YaHei";
    text-align: center;
    border-left: 0px;
}
.production ul li a:hover {
    font-weight: bold;
    color: white;
    border-bottom: 2.1px solid rgb(232, 232, 232);
}
.fade {
    font-size: 1em;
}
/* 透明遮挡 */
.mask {
    display: none;
}
/* 幻灯片 */
.powerpoint {
    position: absolute;
    width: 100%;
    height: 115px;
    top: 140px;
    /* background-color: #4b3737; */
}
/* 图片盒子 */
.pictures {
    position: relative;
    height: 100%;
    width: 280px;
    left: calc((100% - 280px) / 2);
}
.picturesli img {
    width: 100%;
    height: 100%;
}
/* 主要内容 */
.maincontent {
    position: relative;
    width: 300px;
    height: 400px;
    top: 220px;
    left: calc((100% - 300px) / 2);
}
/* 左侧导航栏 */
.leftnav {
    display: none;
}
/* 左侧导航栏栏头 */
.navheader {
    display: none;
}
/* 左侧导航栏内容盒子 */
.navcontentdiv {
    display: none;
}
/* 左侧导航栏内容 */
.navcontent {
    display: none;
}
.leftcpxq {
    display: none;
}
.leftgcyj {
    display: none;
}
/* 智能型电动门管理系统内容 */
.content_electricdoor {
    position: absolute;
    width: 90%;
    height: 100%;
    left: 5%;
}
.content_electricdoor_div {
    position: absolute;
    width: 100%;
    height: 100%;
}
.title {
    position: absolute;
    width: 100%;
    height: 26px;
    top: 15px;
    padding-top: 0.5%;
    text-align: center;
    font-family: "Microsoft YaHei";
    font-size: 1em;
    color: white;
    background-color: #3d7aaf;
}
.words {
    position: absolute;
    width: 99%;
    height: 90%;
    top: 40px;
    padding-top: 10px;
    left: 0.5%;
    line-height: 140%;
    font-family: "Microsoft YaHei";
    font-size: 0.8em;
}
.introduction {
    position: absolute;
    width: 100%;
    margin-left: 1.3%;
    text-indent: 2em;
    line-height: 200%;
}
.introduction-pic {
    position: absolute;
    width: 60%;
    height: 60%;
    top: 100%;
    left: 20%;
}
.introduction-pic li {
    widows: 100%;
    height: 20%;
    margin-top: 5%;
}
.introduction-pic li img {
    width: 100%;
    height: 100%;
}
/* 尾部 */
.tail {
  position: absolute;
  height: 200px;
  width: 100%;
  top: 1030px;
  background-color: #29567eb4;
}
.tail-words {
  position: relative;
  height: 90%;
  width: 90%;
  top: 5%;
  left: 5%;
}
.tailnav {
  position: relative;
  width: 100%;
  top: 23%;
}
.tailnav li {
  float: left;
  width: 20%;
  text-align: center;
}
.tailnav a {
  font-size: 0.9em;
  color: rgb(232, 232, 232);
  font-family: "Microsoft YaHei";
}
.tailnav li a:hover {
  color: white;
  font-weight: bold;
}
.tailcontact {
  position: absolute;
  width: 100%;
  top: 45%;
  font-size: 13px;
  color: rgb(232, 232, 232);
  /* background-color: #118a21; */
}
.tailcontact li {
  text-align: center;
  padding-top: 2.5%;
}
.tailcontact a {
  font-size: 12px;
  color: rgb(232, 232, 232);
  font-family: "Microsoft YaHei"; 
}
.address {
  display: none;
}