.text_main {
  background: url('../images/bg_product.jpg') no-repeat;
  background-size: cover;
  width: 1372px;
  padding: 60px;
  margin: 0 auto;
  box-sizing: border-box;
}

.text_main span.gray.lg {
  display: block;
  text-align: right;
  font-size: 16px;
  padding-top: 5px;
  color: #fff;
}

.text_main span.black {
  font-size: 24px;
  color: #474747;
}

.text_main .line {
  margin: 30px 0;
}

.text_main span.blue {
  font-size: 40px;
  letter-spacing: 7px;
}

#center {
  padding-top: 0;
}

#content {
  padding: 0px 70px;
}

.content_inner {
  padding: 56px 10px;
}

h2 {
  width: 20%;
  height: 64px;
  background: #0051b0;
  color: #fff;
  line-height: 64px;
  padding-left: 35px;
  box-sizing: border-box;
  float: left;
  font-size: 28px;
}

.text_title {
  text-align: center;
  color: #2d4e77;
  font-size: 26px;
}

.box_substance {
  margin-top: 60px;
}

.text_title {
  font-family: 'NanumSquareR', sans-serif;
  font-size: 21px;
  color: #000;
  font-weight: bold;
  margin-top: 20px;
  text-align: left;
}

.text_title:before {
  content: url(../images/icon_h4.png);
  margin-right: 5px;
}

.content_inner table {
  text-align: center;
  font-size: 16px;
  border-top: 2px solid #0051b0;
  margin-top: 30px;
}

.content_inner td {
  border-right: 1px solid #d1d1d1;
  border-bottom: 1px solid #d1d1d1;
  padding: 10px 16px;
  box-sizing: border-box;
  font-size: 16px;
  width: 20%;
}

.content_inner td:last-child {
  border-right: none;
}

.content_inner th {
  background: #f1f9fc;
  text-align: center;
  font-weight: bold;
  color: #0051b0;
  border-right: 1px solid #d1d1d1;
  border-bottom: 1px solid #d1d1d1;
}

.table_img td {
  padding: 30px 0;
}

.text_strong td {
  font-weight: bold;
}

.table_full td {
  width: 80%;
}

.box_substance .box_img {
  width: 573px;
  height: 333px;
  float: left;
  background: url('../images/bg_solar.jpg') no-repeat center center;
  background-size: cover;
}

.box_substance .box_text {
  float: left;
  width: calc(100% - 573px);
  height: 333px;
  padding: 36px 50px;
  background: #f7f7f7;
  box-sizing: border-box;
}

.text_subtitle {
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 20px;
}

.text_subtitle:before {
  content: url(../images/icon_subtitle.png);
  margin-right: 10px;
}

.box_text>ul {
  padding: 0 30px;
}

.box_text>ul>li {
  padding: 10px 0 10px;
  font-weight: bold;
  line-height: 1.6;
  border-bottom: 1px dashed #c9c9c9;
}

.box_text>ul>li:last-child {
  border-bottom: none;
}

.box_text>ul>li span {
  background: url('../images/bull_top.png') no-repeat left top;
  padding-left: 15px;
}

.box_text>ul>li>ul {
  padding: 0 10px;
  font-weight: normal;
  font-size: 16px;
}

.box_substance .cf {
  margin-top: 20px;
}

.table_flow {
  margin-top: 20px;
}

.table_flow th {
  padding: 10px 0;
  color: #000;
}

.table_flow th:last-child {
  border-right: none;
}

.table_flow td {
  width: 14.2%;
  padding: 10px 0;
}

.mt30 {
  margin-top: 30px;
}

/* 모바일 */

@media (max-width: 1023px) {
  .text_main span.gray.lg {
    display: none;
  }
  #center .line {
    margin: 20px 0;
  }
  .menu_sub {
    display: none;
  }
  h2 {
    width: 40%;
    font-size: 16px;
    padding-left: 20px;
  }
  .menu_sub_mob {
    width: 60%;
  }
  #center .text_main {
    background-image: url('../images/bg_product.jpg');
    background-size: auto 143px;
    padding-top: 0;
    padding-bottom: 20px;
  }
  h4 {
    position: relative;
    margin-top: 20px;
  }
  h4:after {
    content: url('../images/icon_h3.png');
    position: absolute;
    top: -10px;
    right: -35px;
  }
  .content_border {
    padding: 10px;
  }
  .content_inner {
    padding: 30px 0 0;
  }
  .text_title {
    font-size: 18px;
  }
  .box_substance {
    margin-top: 20px;
  }
  .text_title {
    margin-top: 10px;
  }
  .content_inner table {
    margin-top: 10px;
  }
  .content_inner th {
    font-size: 13px;
    padding: 5px;
  }
  .content_inner td {
    font-size: 13px;
    padding: 5px;
  }
  .box_substance .box_img {
    float: none;
    width: 100%;
    height: 170px;
  }
  .box_substance .box_text {
    float: none;
    width: 100%;
    padding: 10px;
    height: auto;
  }
  .box_text>ul {
    padding: 0 10px;
  }
  .box_text>ul>li:first-child {
    padding-top: 0;
  }
  .text_subtitle {
    margin-bottom: 10px;
  }
  .box_substance .cf {
    margin-top: 10px;
  }
  .mt30 {
    margin-top: 20px;
    margin-bottom: 0;
  }
  .content_inner .table_flow td img {
    min-width: 80px;
  }