*{
  box-sizing: border-box;
}

html {
  width: 100%;
  font-size: 14px;
}

body{
  width: 100%;
  font-family: "Helvetica Neue", Helvetica, Arial, STXihei, 华文细黑, serif;
  font-size: 1rem;
  position: relative;
  margin: 0px;
  padding: 0px;
}

img {
  max-width: 100%;
  width: auto;
  height: auto;
  -ms-interpolation-mode: bicubic;
  margin: 0;
  display: block;
}

a, a:active {
  text-decoration: none;
  color: #fff;
}

p {
  margin: 0;
}

.wrapper{
  width: 100%;
  margin: 0 auto;
  min-width: 1024px;
  max-width: 1920px;
  background-color: #fff;
  overflow: hidden;
}

.header {
  height: 60px;
  line-height: 60px;
  padding-left: 362px;
  font-weight: bold;
  background: rgba(0, 0, 0, 0.46);
  color: #ffffff;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 999;
}

.header-logo {
  width: 80px;
  display: inline-block;
  vertical-align: top;
  margin-right: 52px;
}

.homePage{
  font-size: 20px;
}

.main{
  background: #f4f4f4;
  position: relative;
  height: 910px;
  padding-top: 60px;
}

.main-content{
  width: 1240px;
  margin: 0 auto;
  height: 850px;
  position: relative;
}

.explain {
  padding: 40px;
  width: 382px;
  height: 590px;
  background: rgba(255,255,255,0.9);
  z-index: 100;
  position: absolute;
  top: 0;
  left: 20px;
}

.explain p {
  font-size: 14px;
  line-height: 2.5em;
}

.about-us {
  width: 165px;
}

.company-name {
  font-size: 20px;
  color: #333;
  border-bottom: 2px solid #333;
}

.join-us {
  position: absolute;
  top: 66px;
  left: 220px;
  z-index: 0;
}

.building {
  height: 184px;
  line-height: 184px;
  background: rgba(0,0,0,0.46);
  position: absolute;
  bottom: 0;
  width: 100%;
  color: #ffffff;
  text-align: center;
  font-size: 26px;
}

.footer{
  background: #000;
  color:#9c9c9c;
  text-align: center;
  line-height: 30px;
}