body {
  background-color: #FCF8F4;
  
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

.hidden.menu {
  display: none;
}

.masthead.segment {
  min-height: 700px;
  padding: 1em 0em;
}
.masthead .logo.item img {
  margin-right: 1em;
}
.masthead .ui.menu .ui.button {
  margin-left: 0.5em;
}
.masthead h1.ui.header {
  margin-top: 3em;
  margin-bottom: 0em;
  font-size: 4em;
  font-weight: normal;
}
.masthead h2 {
  font-size: 1.7em;
  font-weight: normal;
}

.ui.vertical.stripe {
  padding: 8em 0em;
}
.ui.vertical.stripe h3 {
  font-size: 2em;
}
.ui.vertical.stripe .button + h3,
.ui.vertical.stripe p + h3 {
  margin-top: 3em;
}
.ui.vertical.stripe .floated.image {
  clear: both;
}
.ui.vertical.stripe p {
  font-size: 1.33em;
}
.ui.vertical.stripe .horizontal.divider {
  margin: 3em 0em;
}

.quote.stripe.segment {
  padding: 0em;
}
.quote.stripe.segment .grid .column {
  padding-top: 5em;
  padding-bottom: 5em;
}

.footer.segment {
  padding: 5em 0em;
}

.secondary.pointing.menu .toc.item {
  display: none;
}

@media only screen and (max-width: 700px) {
  .ui.fixed.menu {
    display: none !important;
  }
  .secondary.pointing.menu .item,
  .secondary.pointing.menu .menu {
    display: none;
  }
  .secondary.pointing.menu .toc.item {
    display: block;
  }
  .masthead.segment {
    min-height: 350px;
  }
  .masthead h1.ui.header {
    font-size: 2em;
    margin-top: 1.5em;
  }
  .masthead h2 {
    margin-top: 0.5em;
    font-size: 1.5em;
  }
}


/* logo style */
.main.container {
  margin-top: 2em;
}

.main.menu {
  background-color: #00000000;      
  margin-top: 4em;
  border-radius: 0;
  border: none;
  box-shadow: none;
  transition:        
    padding 0.5s ease
  ;
}
.main.menu .item img.logo {
  margin-right: 1.5em;
}

.overlay {        
  float: left;
  margin: 4em 3em 1em 0em;
}
.overlay .menu {        
  position: relative;
  left: 0;
  transition: left 0.5s ease;
}

.main.menu.fixed {    
  background-color: #00000099;
  border: none;
  box-shadow: 0px 3px 5px rgba(0, 0, 0, 0.2);
}
.overlay.fixed .menu {        
  left: 800px;
}



/* button */
.contactUsBtn {
  width: 150px;
  height: 50px;
  
  background-color: #F37321AA;
  color: black; 
  font-weight: 500;
  text-align: center;
  border-radius: 0.285rem;
  box-shadow:0 0 0 0 rgba(34,36,38,.15) inset;
  transition: all 0.3s ease; /* 添加过渡效果 */  
}

.contactUsBtn:hover {
  background-color: #ffffff; 
}

.smBtn {
  transition: all 0.3s ease; /* 添加过渡效果 */  
}

.smBtn:hover {
  background-color: #6262622f; 
  /* text-shadow: 0 0 5px #d9d9d9;  */
  box-shadow:  0 0 5px #d9d9d9; 
  
}