body {
  background: #151410;
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  scroll-behavior: smooth;
  /* min-width: 1440px; */
}

::-webkit-scrollbar {
  display: none;
}

.main_wrapper {
  position: absolute;
  z-index: 3;
  overflow-y: scroll;
  overflow-x: hidden;
  height: 100%;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.header {
  height: 97px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex: none;
  position: relative;
  font-family: bloder;
  padding: 0 30px;
}

.logo {
  width: 179px;
  height: 57px;
  display: none;
}

.nav {
  font-size: 18px;
  margin-left: auto;
  position: relative;
}

.nav a {
  color: #FFFFFF;
  margin-left: 30px;
  font-weight: 900;
  position: relative;
  cursor: pointer;
  text-decoration: none;
}

.nav .active {
  color: #A38B4F;
}

.mobile_button {
  display: none;
  width: 40px;
  height: 40px;
  position: absolute;
  top: 39px;
  right: 20px;
}

.main {
  flex: 1;
  position: relative;
}

.bg_logo {
  position: absolute;
  overflow: hidden;
  height: 100%;
  width: 100%;
  background-image: url(../img/bg_logo.png);
  background-repeat: no-repeat;
  background-size: 370px 480px;
  background-position: right 97px;
  z-index: 2;
}

.animation_bg {
  position: absolute;
  overflow: hidden;
  height: 100%;
  width: 100%;
  z-index: 1;
}

.main_content {
  width: 1200px;
  padding-left: 50px;
  height: 100%;
  z-index: 3;
}


.main_content>div {
  background-color: transparent;
}

#home {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#home .discription_1 {
  font-family: bloder;
  font-size: 72px;
  line-height: 85px;
  width: 996px;
  position: relative;
  font-weight: 900;
}

#home .discription_1 .decorate {
  width: 295px;
  height: 40px;
  background: #A38B4F;
  position: absolute;
  top: 0;
  z-index: -1;
}

#home .discription_1 .decorate::after {
  content: '';
  display: inline-block;
  position: absolute;
  background: #A38B4F;
  width: 40px;
  height: 40px;
  left: -40px;
  top: -40px;
}

#home .discription_2 {
  font-size: 32px;
  line-height: 38px;
  margin-top: 32px;
  width: 777px;
}

#about {
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

#about .title {
  font-family: bloder;
  font-size: 88px;
  position: relative;
  line-height: 104px;
  height: 104px;
}

#about .title::before {
  content: '';
  display: inline-block;
  position: absolute;
  border: 3px solid #A38B4F;
  width: 37px;
  height: 37px;
  left: -19px;
  top: -23px;
}

#about .title .colour {
  color: #A38B4F;
  z-index: 2;
  clip-path: polygon(0% 0, 100% 0%, 100% 32%, 0 62%);
}

#about .title span {
  position: absolute;
  left: 0;
}

#about .board {
  margin-top: 84px;
  line-height: 29px;
  font-size: 18px;
  padding: 0 0px;
}
#about .board p{
  margin-bottom: 20px;
}
#about .board p.board-padding{
  text-indent: 20px;
}
#about .board>div {
  margin-right: 137px;
  position: relative;
  width: 277px;
}

#about .board>div::before {
  content: '';
  display: inline-block;
  width: 48px;
  height: 6px;
  position: absolute;
  background: #FFFFFF;
  top: -20px;
  left: 0;
}

#about .board>div:last-child {
  margin-right: 0;
}


#portfolio {

}

#portfolio .title {
  font-family: bloder;
  font-size: 88px;
  position: relative;
  margin-left: 40px;
  line-height: 104px;
  height: 104px;
}

#portfolio .title::before {
  content: '';
  display: inline-block;
  position: absolute;
  width: 40px;
  background-color: #A38B4F;
  height: 40px;
  left: -36px;
  top: -23px;
}

#portfolio .title .colour {
  color: #A38B4F;
  z-index: 2;
  clip-path: polygon(0% 0, 100% 0%, 100% 30%, 0 66%);
}

#portfolio .title span {
  position: absolute;
  left: 0;
}

#portfolio .board {
  width: 1216px;
  height: 550px;
  background: #151410;
  border: 3px solid #232016;
  box-sizing: border-box;
  padding: 28px 39px 45px;
}

.tabs {
  margin-bottom: 28px;
}

.tabs .tab {
  color: #fff;
  font-size: 16px;
  cursor: pointer;
}

.tabs .active {
  color: #A38B4F;
}

.tabs .tab+.tab {
  margin-left: 39px;
}

#portfolio .content {
  display: none;
  flex-wrap: wrap;
}

#portfolio .current {
  display: flex;
}

#portfolio .board .item {
  width: 114px;
  height: 128px;
  flex: 0 0 11%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  margin-bottom: 4px;
  padding-bottom: 15px;
  text-align: center;
}

#portfolio .board .item:hover {
  background: #232016;
}


#portfolio .board .item dt img {
  width: 82px;
  height: 82px;
}

#portfolio .board .item dd {
  font-size: 16px;
  white-space: nowrap;
}

#news {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#news .title {
  font-family: bloder;
  font-size: 88px;
  position: relative;
  margin-left: 40px;
  line-height: 104px;
  height: 104px;
}

#news .title .colour {
  color: #A38B4F;
  z-index: 2;
  clip-path: polygon(0% 0, 100% 0%, 100% 30%, 0 66%);
}

#news .title span {
  position: absolute;
  left: 0;
}

#news .content {
  display: flex;

}

#news .content .left img {
  width: 284px;
  height: 160px;
}

#news .content .right {
  margin-left: 40px;
}

#news .content .right .date {
  font-size: 14px;
  width: 48px;
  height: 48px;
  background: #151410;
  border: 1px solid #808080;
  box-sizing: border-box;
  text-align: center;
  line-height: 48px;
  color: rgba(255, 255, 255, .5);
  box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}

#news .content .right .discription {
  margin-top: 18px;
  font-size: 18px;
  width: 251px;
}

#contact {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

#contact .left .title {
  font-family: bloder;
  font-size: 80px;
  position: relative;
  line-height: 104px;
  height: 104px;
}

#contact .left .title .colour {
  color: #A38B4F;
  z-index: 2;
  clip-path: polygon(2% 0, 36% 0%, 45% 100%, 10% 100%);
}

#contact .left .title span {
  position: absolute;
  left: 0;
}

#contact .left .discription {
  color: #A38B4F;
  font-size: 20px;
  margin-top: 117px;
}

#contact .left .rectangle {
  margin-top: 120px;
  position: relative;
  width: 313px;
}

#contact .left .rectangle img {
  width: 100%;
}

#contact .left .rectangle::before {
  position: absolute;
  content: '';
  display: inline-block;
  width: 28px;
  background-color: #A38B4F;
  height: 28px;
  bottom: 14px;
}

#contact .right {
  width: 600px;
  height: 340px;
  background: #272621;
  border-radius: 4px;
  padding: 51px 61px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#contact .right .title {
  display: flex;
  justify-content: space-between;
}

#contact .right .title span {
  font-size: 18px;
  color: #EFBF48;
}

#contact .right .title img {
  width: 47px;
  height: 28px;
}

#contact .right .title .email_img_1 {
  display: none;
}

#contact .right .title .email_img_2 {
  display: block;
}

#contact .right p{
  font-size: 18px;
}
#contact .right .email {
  font-weight: bold;
  font-size: 32px;
}

#contact .right .copyButton {
  width: 133px;
  height: 48px;
  background: #937E48;
  border-radius: 4px;
  text-align: center;
  line-height: 48px;
  color: #FFFFFF;
  font-size: 18px;
  display: inline-block;
  cursor: pointer;
  box-sizing: border-box;
  border: none;
  transition: all .2;
}

#contact .right .copyButton:hover {
  background: #82651A;
}

#contact .right .copyButton:active {
  background: #614E1E;
}

#contact .right .copyButton:focus {
  outline: none;
}

.line {
  height: 36px;
  border-top: 1px solid rgba(163, 139, 79, .1);
  position: relative;
}

.line_1 {
  border-width: 1px;
}

.line_2 {
  border-width: 2px;

}

.line_3 {
  border-width: 3px;

}

.line_4 {
  border-width: 4px;

}

.slider_line {
  background: linear-gradient(270deg, #A38B4F 5%, rgba(163, 139, 79, 0) 72.5%);
  position: absolute;
  transition-property: all;
  animation-name: sliderTrans;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.slider_line::after {
  content: '';
  display: inline-block;
  height: 100%;
  position: absolute;
  background-color: #EFBF48;
  border-radius: 50%;
  right: 0;
}

.slider_speed_1 {
  transition-duration: 4s;
  animation-duration: 4s;
}

.slider_speed_2 {
  transition-duration: 6s;
  animation-duration: 6s;
}

.slider_speed_3 {
  transition-duration: 8s;
  animation-duration: 8s;
}

.slider_speed_4 {
  transition-duration: 10s;
  animation-duration: 10s;
}

.slider_speed_5 {
  transition-duration: 12s;
  animation-duration: 12s;
}

.slider_line_1::after {
  width: 1px;
}

.slider_line_2::after {
  width: 2px;
}

.slider_line_3::after {
  width: 3px;
}

.slider_line_4::after {
  width: 4px;
}

.footer {
  display: none;
  margin: 0 30px;
  height: 88px;
  flex: none;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid #FFFFFF;
}

.footer .left {
  display: inline-block;
  font-size: 16px;
  line-height: 19px;
  font-weight: 600;
}

.footer .mid {
  display: flex;
  opacity: .5;
}

.footer .mid span {
  background: #585865;
  width: 22px;
  height: 4px;
  display: inline-block;
}

.footer .mid span:nth-child(even) {
  background: #FFFFFF;
  width: 11px;
}

.footer .right {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: .7;
}

.footer .right .divider {
  display: inline-block;
  background: #FFFFFF;
  width: 40px;
  margin: 2px 0;
  height: 1px;
}

@keyframes sliderTrans {
  0% {
    left: -100%;
  }

  100% {
    left: 100%;
  }
}