/* S common style */

body {
  font-family: Arial, Helvetica, sans-serif;
  background-color: #fff;
}

.clearfix:after {
  content: ".";
  display: block;
  clear: both;
  visibility: hidden;
  line-height: 0;
  height: 0;
  font-size: 0;
}

.float-left {
  float: left;
}

.float-right {
  float: right;
}

.position-relative {
  position: relative;
}

.position-absolute {
  position: absolute;
}

.display-inlineblock {
  display: inline-block;
  
}

.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}


/* E common style */

.main {
  width: 1140px;
  margin: 0 auto;
}

.header {
  width: 100%;
  min-width: 1140px;
  height: 620px;
  background-color: #4c3b34;
}

.header--s {
  height: 100px;
}

.header--m {
  height: 430px;
}

.header-pic {
  padding-top: 13px;
}

.header-nav-list {
  margin-top: 45px;
}

.header-nav-list li {
  padding-bottom: 10px;
  border-bottom: 3px solid #4c3b34;
  margin-left: 50px;
  transform: perspective(1px) translateZ(0);
}

.header-nav-list li::before {
  content: "";
  position: absolute;
  z-index: -1;
  left: 51%;
  right: 51%;
  bottom: 0;
  background: #fff;
  height: 3px;
  -webkit-transition-property: left, right;
  transition-property: left, right;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
  -webkit-transition-timing-function: ease-out;
  transition-timing-function: ease-out;
}

.header-nav-list li:hover::before,
.header-nav-list li.current::before {
  left: 0;
  right: 0;
}

.header-nav-list a {
  color: #fff;
}

.header-main-left {
  width: 490px;
  margin: 100px 0 0 50px;
  color: #fff;
}

.header-title {
  font-size: 34px;
  font-weight: normal;
}

.header-text {
  padding-top: 40px;
  line-height: 30px;
  font-size: 18px;
}

.header-btn-box {
  
}

.header-btn-install,
.header-btn-app,
.app-detail-download {
  border-radius: 5px;
  box-sizing: border-box;
  height: 53px;
  line-height: 53px;
  font-size: 22px;
}

.header-btn-install {
  width: 172px;
  color: #fff;
  border: 2px solid #fff;
}

.header-btn-app,
.app-detail-download {
  width: 232px;
  background-color: #ffedd6;
  color: #4c3b34;
}

.header-main-right {
  padding-top: 20px;
}

.features-title {
  padding-top: 64px;
  font-size: 36px;
  color: #282828;
  font-weight: normal;
}

.features-subtitle {
  font-size: 16px;
  color: #686868;
  padding-top: 15px;
}

.features-list {
  display: flex;
  flex-flow: row wrap;
  justify-content: space-around;
  /* align-items: center; */
  padding-bottom: 60px;
}

.features-list li {
  width: 312px;
  margin-top: 80px;
  padding-bottom: 20px;
}

.features-list-title {
  padding-top: 40px;
  color: #282828;
  font-size: 22px;
}

.features-list-text {
  color: #686868;
  font-size: 14px;
}

.apps-list {
  padding: 70px 0 0 38px;
  margin-right: -120px;
}

.apps-list li {
  padding-bottom: 50px;
  margin-right: 120px;
  width: 176px;
  height: 233px;
}

.apps-list-text {
  color: #282828;
  font-size: 22px;
  padding-top: 22px;
}

.apps {
  background-color: #f7f4fa;
}

.install {
  padding-bottom: 68px;
}

.install-btn-download {
  width: 232px;
  height: 53px;
  line-height: 53px;
  border-radius: 5px;
  color: #fff;
  background-color: #4c3b34;
  margin-top: 55px;
  font-size: 22px;
}

.contact {
  background-color: #4c3b34;
  padding-bottom: 34px;
}

.contact-icon-twitter {
  padding-top: 25px;
}

.contact .features-title {
  color: #fff;
}

.contact .features-subtitle {
  color: #ffedd6;
}

.apps--white {
  background-color: #fff;
}

.apps--s .features-title {
  padding-top: 50px;
}

.apps--s .apps-list {
  padding-top: 65px;
}

.app-detail-pic {
  width: 180px;
  height: 180px;
  margin: 105px 0 0 85px;
}

.app-detail-info {
  margin: 105px 0 0 88px;
  color: #fff;
}

.app-detail-name {
  font-size: 34px;
}

.app-detail-version {
  font-size: 18px;
}

.app-detail-download {
  margin: 40px 0 0;
}

.app-detail-piclist {
  margin: 10px 0 0 -25px;
}

.app-detail-piclist li {
  width: 234px;
  height: 285px;
  background-color: #d2d2d2;
  margin-left: 50px;
  margin-top: 20px;
}

.app-detail-des {
  padding: 50px 0 100px 25px;
}

.app-detail-desname {
  font-size: 36px;
  color: #282828;
}

.app-detail-desinfo {
  width: 793px;
  box-sizing: border-box;
  padding: 20px 12px;
  line-height: 20px;
  color: #686868;
  font-size: 16px;
}