* {
  margin: 0;
  padding: 0;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}
ul,
li {
  list-style: none;
}
a {
  text-decoration: none;
  color: #000000;
}
body,
html {
  min-width: 1000px;
}
#header {
  position: fixed;
  height: 56px;
  padding: 0 3%;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}
#header .wrapper {
  overflow: hidden;
  min-width: 600px;
}
#header .wrapper .logo-link {
  float: left;
}
#header .wrapper .logo-link .logo {
  margin-top: 10px;
}
#header .wrapper .header-right {
  float: right;
}
#header .wrapper .header-right a {
  margin: 19px 20px 0 38px;
  color: #FFF;
  font-size: 16px;
  display: inline-block;
  position: relative;
}
#header .wrapper .header-right a:after {
  content: '';
  display: block;
  height: 2px;
  margin-top: 2px;
  background: #FFF;
  width: 0;
  -webkit-transition: width 0.3s linear;
  -o-transition: width 0.3s linear;
  transition: width 0.3s linear;
}
#header .wrapper .header-right a:hover:after,
#header .wrapper .header-right a.active:after {
  width: 100%;
}
.header-clone {
  position: fixed;
  height: 56px;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1;
  background: rgba(0, 0, 0, 0.7);
}
#banner {
  width: 100%;
  height: 350px;
  background: url(http://seaapp.oss-us-east-1.aliyuncs.com/Homepage/picture/pic1.png) center center no-repeat;
  background-size: cover;
  z-index: 2;
  overflow: hidden;
  position: relative;
}
#banner h1 {
  position: absolute;
  top: 40%;
  left: 50%;
  width: 100%;
  -webkit-transform: translate(-50%, -50%);
      -ms-transform: translate(-50%, -50%);
          transform: translate(-50%, -50%);
  text-align: center;
  letter-spacing: 1.6px;
  min-width: 250px;
  max-width: 700px;
  color: #fff;
  font-size: 70px;
  line-height: 80px;
  margin: 0.67em 0;
}
.main {
  padding: 5%;
  position: relative;
  margin: 0 auto;
}
#about-us-container {
  overflow: visible;
  max-width: 1000px;
  margin: 5% auto 0 auto;
}
#about-us-container .left-menu {
  float: left;
  width: 16%;
  font-weight: bold;
}
#about-us-container .left-menu.fixed {
  position: fixed;
  top: 258px;
  left: 20%;
}
#about-us-container .left-menu a {
  color: #221815;
  line-height: 44px;
  opacity: 0.5;
}
#about-us-container .left-menu a.active {
  opacity: 1;
}
#about-us-container .left-menu a:hover {
  opacity: 0.7;
}
#about-us-container .right-content {
  float: right;
  width: 80%;
  margin: 0;
  color: #221815;
}
#about-us-container .right-content > div {
  padding-top: 100px;
}
#about-us-container .right-content #introduction {
  margin-top: -100px;
}
#about-us-container .right-content #partners {
  font-size: 0;
  text-align: center;
}
#about-us-container .right-content #partners .partners-item {
  display: inline-block;
  width: 50%;
  margin: 0;
  overflow: hidden;
}
#about-us-container .right-content #partners .partners-item img {
  width: 70%;
}
#about-us-container .right-content #partners .partners-item .partners-item-link {
  font-size: 16px;
  display: block;
  margin-top: 30px;
  padding-bottom: 30px;
}
#about-us-container .right-content h3 {
  font-size: 50px;
  color: #221815;
  margin: 0 0 6%;
  text-align: center;
}
#about-us-container .right-content p {
  margin-top: 3.3%;
  opacity: 0.7;
  font-size: 16px;
  line-height: 24px;
}
#about-us-container .right-content .subtitle {
  font-size: 21px;
  text-align: center;
  opacity: 1;
}
.address {
  padding-left: 50px;
  text-align: left;
  margin-bottom: 20px;
  display: inline-block;
}
.address .name {
  font-size: 24px;
  font-weight: bold;
  color: #000;
  margin-bottom: 10px;
  display: block;
}
.address .email {
  display: block;
  margin-top: 15px;
}