/* Basic Set-up */
@font-face {
  font-family: 'Pretendard-Regular';
  src: url('https://cdn.jsdelivr.net/gh/Project-Noonnu/noonfonts_2107@1.1/Pretendard-Regular.woff') format('woff');
  font-weight: 400;
  font-style: normal;
}
@font-face {
  font-family: 'S-CoreDream-7ExtraBold';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_six@1.2/S-CoreDream-7ExtraBold.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'ChosunKg';
  src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_20-04@1.0/ChosunKg.woff') format('woff');
  font-weight: normal;
  font-style: normal;
}
@font-face {
  font-family: 'Pretendard-ExtraBold';
  src: url('https://cdn.jsdelivr.net/gh/Project-Noonnu/noonfonts_2107@1.1/Pretendard-ExtraBold.woff') format('woff');
  font-weight: 800;
  font-style: normal;
}
body {
  font-family: 'Pretendard-Regular';
  line-height: 1.6;
  color: #4d4d4d;
}

a {
  text-decoration: none;
  color: #ffffff;
}

img {
  width: 35%;
  display: block;
}

.inner { 
  width: 1400px;
  margin: 0 auto;
  position: relative;
}

.sub_body ul a .box2 {
  border-bottom: 1.5px solid rgb(0, 135, 224);
  color: rgb(0, 135, 224);
}

/* BODY */
.top_end .top_title {
  margin-top: 200px;
  font-weight: 700;
  font-size: 20px;
  text-align: center;
}
.top_end hr {
  width: 30px;
  height: 4px;
  background-color: #c8c8c8;
  border: none;
  margin-bottom: 60px;
}

.top_end_con {
  display: flex;
  width: 1000px;
  height: 410px;
  margin: 0 auto;

}
.top_end_con .text_box{
  width: 600px;
  height: 600px;
  justify-content: left;
  margin-left: 15%;
}
.top_end_con .text_box .title1 {
  font-weight: 700;
  font-size: 24px;
  text-align: left;
  color: #213e8d;
}
.top_end_con .text_box .desc1 {
  padding-top: 40px;
  text-align: left;
  font-size: 16px;
}
.top_end_con .text_box .desc1 span {
  color: #213e8d;
}
.top_end_con .imgbox {
  background-image: url(/images/TECH/psa_nitro_1.jpg);
  width: 400px;
  height: 400px;
  background-size: 90%;
  background-repeat: no-repeat;
  transform: translateX(-25%);
}

.top_con .title_box .ttitle{
  font-weight: 700;
  font-size: 18px;
  text-align: center;
}
.top_con .title_box hr {
  width: 30px;
  height: 4px;
  background-color: #c8c8c8;
  border: none;
  margin-bottom: 60px;
}
.top_con .text_box .tb_title {
  font-weight: 700;
  font-size: 24px;
  text-align: center;
  margin-bottom: 40px;
}
.top_con .text_box .tb_title span {
  color: #213e8d;
}

.top_con .text_box .tb_desc {
  text-align: center;
  font-size: 14px;
  color: #636161;
}

.top_con .text_box .tb_imgbox1 {
  width: 1000px;
  height: 300px;
  margin: 150px auto;
  display: flex;
}
.top_con .text_box .tb_imgbox1 .tb_textbox .title { 
  font-weight: 700;
  font-size: 20px;
  text-align: left;
  margin-top: 120px;
  margin-bottom: 30px;

}
.top_con .text_box .tb_imgbox1 .tb_textbox .desc {
  text-align: left;
  font-size: 18px;
}
.top_con .text_box .tb_imgbox1 .img {
  width: 380px;
  height: 400px;
  margin-top: 30px;
  margin-left: 110px;
  background-size: 65%;
  background-repeat: no-repeat;
  background-image: url(/images/TECH/psa_nitro_2.png);
}
.top_con .text_box .down_arrow {
  width: 100px;
  height: 100px;
  background-size: 100%;
  background-image: url(/images/TECH/down_arrow.png);
  background-repeat: no-repeat;
  margin: 30px auto 30px;
}
.top_con .text_box .tb_imgbox2 {
  width: 1000px;
  height: 500px;
  margin: 200px auto;
  display: flex;
}
.top_con .text_box .tb_imgbox2 .img {
  width: 300px;
  height: 400px;
  background-size: 90%;
  margin-top: 30px;
  margin-left: 12%;
  background-repeat: no-repeat;
  background-image: url(/images/TECH/psa_nitro_3.jpg);
}
.top_con .text_box .tb_imgbox2 .tb_textbox .title { 
  font-weight: 700;
  font-size: 20px;
  text-align: left;
  margin-top: 30px;
  margin-bottom: 30px;
  margin-left: 80px;
}
.top_con .text_box .tb_imgbox2 .tb_textbox .desc {
  text-align: left;
  margin-left: 80px;
  font-size: 18px;
}

.system_config .title {
  font-weight: 700;
  font-size: 18px;
  text-align: center;
}
.system_config hr {
  background-color: #c8c8c8;
  width: 30px;
  height: 4px;
  border: none;
  margin-bottom: 50px;
}
.system_config .img {
  background-image: url(/images/TECH/psa_nitro_4.png);
  width: 700px;
  height: 300px;
  background-size: 100%;
  margin: 0 auto;
  background-repeat: no-repeat;
}