.tl_main_bg {
  padding: 0;
  display: block;
  position: relative;
}

.tl_main_bg .btn-banner-adm {
  position: absolute;
  right: 5px;
  top: 5px;
  display: block;
  z-index: 9999;
  width: 24px;
  height: 24px;
  text-align: center;
  line-height: 24px;
  background-color: #fff;
  color: tomato;
}
.tl_main_bg .li {
  height: 100vh;
  background-size: cover;
  background-position: center;
  position: relative;
}
.tl_main_bg .li .cover {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color:#000;
  opacity: 0.2;
  z-index: 1;
}
.tl_main_bg .li .copy_area_wrap {
  max-width: 1400px;
  margin: auto;
}
.tl_main_bg .li .copy_area {
  position: absolute;
  top: 50%;
  -ms-transform: translateY(-50%);
  transform: translateY(-50%);
  margin: 0 auto;
  color: #fff;
  padding: 0 20px;
  z-index: 2;
}
.tl_main_bg .li .copy_area span {
  font-size: 18px;
  font-weight: 400;
  text-transform: uppercase;
  color: #fff;
  opacity: 0.8;
  display: inline-block;
  position: relative;
  padding-left: 100px;
  letter-spacing: 0.05em;
}
.tl_main_bg .li .copy_area span:before {
  position: absolute;
  content: "";
  width: 70px;
  height: 2px;
  background: #fff;
  opacity: 0.8;
  top: 0;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
}
.tl_main_bg .li .copy_area h2 {
  font-size: 75px;
  font-weight: 100;
  line-height: 1.3;
  letter-spacing: -4px;
  text-align: left;
}
.tl_main_bg .li .copy_area h3 {
  max-width: 550px;
  font-size: 16px;
  font-weight: 300;
  text-align: left;
  margin: 25px 0 40px 0;
  color: #e4e4e4;
  line-height: 1.6;
  word-break: keep-all;
}
.tl_main_bg .owl-dots {
  position: absolute;
  width: 100%;
  text-align: center;
  margin: 0 auto;
  bottom: 235px;
}
.tl_main_bg .owl-dots .owl-dot {
  background: rgba(255, 255, 255, 0.5);
  width: 30px;
  height: 5px;
  display: inline-block;
  margin: 0 5px;
  border: 0;
}
.tl_main_bg .owl-dots .owl-dot.active {
  background: rgba(255, 255, 255, 1);
}
.tl_main_bg .owl-nav {
  position: absolute;
  width: 100%;
  bottom: 50%;
}
.tl_main_bg .owl-carousel .owl-nav button.owl-prev {
  width: 40px;
  height: 30px;
  position: absolute;
  left: 50px;
  font-size: 14px;
  color: #fff;
  border-top: 1px solid #fff;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  padding-top: 5px;
  text-align: center;
  background-color: transparent;
  cursor: pointer;
}
.tl_main_bg .owl-carousel .owl-nav button.owl-next {
  width: 40px;
  height: 30px;
  position: absolute;
  right: 50px;
  font-size: 14px;
  color: #fff;
  border-top: 1px solid #fff;
  border-left: 0;
  border-right: 0;
  border-bottom: 0;
  padding-top: 5px;
  text-align: center;
  background-color: transparent;
  cursor: pointer;
}

@media screen and (max-width: 1920px) {
  .tl_main_bg .li .copy_area h2 {
    font-size: 62px;
  }
}
@media screen and (max-width: 640px) {
  .tl_main_bg .li .copy_area h2 {
    font-size: 50px;
    word-break: keep-all;
  }
  
  .tl_main_bg .owl-dots {
    bottom: 30px;
  }
}