.body-wrap {
    padding-bottom: 3%;
}
.wrap-txt h2 {
    margin-bottom: 40px !important;
}
/* tab */
.cr_tab {
    text-align: center;
    margin: 40px auto;
    width: 100%;
    max-width: 1100px;
}
.cr_tab ul {
    margin: 0 auto;
    width: 100%;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
}
.cr_tab ul li{
	display: table;
	position: relative;
	height: 70px;
	text-align: center;
	border: 1px solid #e2e2e2;
	border-right: none;
	transition: all 0.3s ease;
}
/* 탭 개수에 따른 반응형 width 설정 */
/* 1개 탭 */
.cr_tab ul li:only-child {
	width: 100%;
    max-width: 350px;
}
/* 2개 탭 */
.cr_tab ul li:nth-child(1):nth-last-child(2),
.cr_tab ul li:nth-child(2):nth-last-child(1) {
	width: calc(100% / 2);
    max-width: 350px;
}
/* 3개 탭 */
.cr_tab ul li:nth-child(1):nth-last-child(3),
.cr_tab ul li:nth-child(2):nth-last-child(2),
.cr_tab ul li:nth-child(3):nth-last-child(1) {
	width: calc(100% / 3);
}
.cr_tab ul li:last-child {
	border-right: 1px solid #e2e2e2;
}
.cr_tab ul li a{
	display: table-cell;
	vertical-align: middle;
	padding: 0 10px;
	font-size: 18px;
	color: #888;
	background: #fff;
	transition: all 0.3s ease;
}
.cr_tab ul li:hover a {
	background-color: #f0f7ff;
	color: #1e4fbb;
}
.cr_tab ul li.active {
	border-color: #1e4fbb;
	z-index: 1;
}
.cr_tab ul li.active a {
    font-weight: bold;
    background-color: #1e4fbb;
    color: #fff;
}
.cr_tab.fixed{
	position: fixed;
	top: 60px; left: 0;
	width: 100%;
	height: 70px;
	background: #f9f9f9;
	border-bottom: 1px solid #e2e2e2;
	z-index: 3;
}
.accordion-content img {
    width: 80%;
    height: auto;
}
/* 섹션 스타일 */
.ft_inner {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}
.ft_inner.hidden {
    display: none;
}
.ft_inner.on {
    display: block;
}
.inner_section {
    width: 100%;
}
.txt_section {
    text-align: center;
}
.txt_section .section-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #0e2b5c;
    margin-bottom: 20px;
    text-align: center;
    padding-bottom: 15px;
}
.txt_section p {
    font-size: 1.6rem;
    line-height: 1.8;
    color: #333;
    margin-bottom: 30px;
}
#C2100 .txt_section p {
    padding: 0 10px;
}
.txt_section img {
    width: 75%;
    height: auto;
    margin: 40px auto;
    border-radius: 8px;
}
#C7000 .txt_section img {
    width: 90%;
}
.txt_section h3 {
    font-size: 2.2rem;
    font-weight: bold;
    color: #0e2b5c;
    margin: 30px 0;
}
.txt_section h4 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #1e4fbb;
    margin: 30px 0 15px;
    padding: 10px 20px;
    background-color: #f0f7ff;
    border-radius: 5px;
    position: relative;
}
/* 특징 그리드 레이아웃 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
    margin: 40px 0 30px;
    max-width: 1100px;
    margin-left: auto;
    margin-right: auto;
}
.feature-card {
    background-color: #fff;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    padding: 25px;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}
.feature-card h4 {
    margin: 0 0 20px 0;
    font-size: 1.6rem;
    width: 100%;
    box-sizing: border-box;
}
.feature-card ul {
    margin: 0;
    width: 100%;
    text-align: left;
    display: block;
    box-sizing: border-box;
}
.txt_section ul {
    list-style: none;
    padding-left: 8px;
    display: block;
    text-align: left;
}
.txt_section ul li {
    font-size: 1.5rem;
    line-height: 1.8;
    color: #666;
    padding: 8px 0 8px 25px;
    position: relative;
}
.txt_section ul li:before {
    content: "•";
    position: absolute;
    left: 0;
    color: #1e4fbb;
    font-weight: bold;
}
.section-padding {
    padding: 40px 0;
}
/* 이미지 섹션 스타일 */
.img_section {
    text-align: center;
    padding: 20px 0;
    margin: 0 auto;
}
.img_section img {
    width: 93%;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;;
}
.img_section .img_section_title {
    font-size: 2.2rem;
    font-weight: bold;
    color: #0e2b5c;
    margin-bottom: 10px;
    text-align: center;
}
/* 아코디언 스타일 */
.accordion-container {
    margin-top: 40px;
    text-align: left;
}
.accordion-item {
    border: 1px solid #e2e2e2;
    margin-bottom: 15px;
    border-radius: 5px;
    overflow: hidden;
}
.accordion-header {
    padding: 20px;
    background-color: #f9f9f9;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background-color 0.3s;
}
.accordion-header:hover {
    background-color: #f0f0f0;
}
.accordion-header h3 {
    font-size: 1.8rem;
    font-weight: bold;
    color: #0e2b5c;
    margin: 0;
}
.accordion-icon {
    font-size: 2rem;
    font-weight: bold;
    color: #1e4fbb;
    transition: transform 0.3s;
}
.accordion-item.active .accordion-icon {
    transform: rotate(45deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    background-color: #fff;
}
.accordion-item.active .accordion-content {
    max-height: 2000px;
    padding: 20px;
}
.accordion-image {
    text-align: center;
}
.accordion-image img {
    width: 80%;
    height: auto;
    margin: 10px;
    display: inline-block;
}
/* core-4.html */
#CEN .txt_section img:first-of-type {
    width: 65%;
}
.row {
    margin-left: 0;
    margin-right: 0;
}
.txt_section .row-title + .row {
    margin: 10px 0 60px;
}
.txt_section .col-md-6 img {
    width: 80%;
}
.txt_section .col-md-6 p:first-of-type {
    font-size: 1.7rem;
    font-weight: bold;
    color: #0e2b5c;
    margin-bottom: 0;
}
.inner_section > p {
    display: block;
    font-size: 1.6rem;
    line-height: 1.8;
    color: #333;
    margin: 80px 0 25px;
    text-align: center;
}
.inner_section > .img_section {
    text-align: center;
    padding: 20px 0;
    margin: 0 auto;
}
#CEN .img_section img {
    width: 75%;
    height: auto;
    margin: 0 auto;
    display: block;
    border-radius: 8px;
    transition: transform 0.3s ease;
}
.feature-row {
    margin-bottom: 25px;
}
.row-title {
    font-size: 2rem;
    font-weight: bold;
    color: #0e2b5c;
    text-align: center;
    margin-top: 50px;
}
.feature-row ul {
    height: 170px;
}
/* 반응형 */
@media (max-width: 768px) {
    .cr_tab {
        width: 90%;
        margin: 20px auto;
    }
    .cr_tab ul li {
        height: 50px;
    }
    .cr_tab ul li a {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    .ft_inner {
        width: 95%;
        padding: 0;
    }
    .txt_section {
        width: 95%;
        padding: 15px 0;
        margin: 0 auto;
    }
    .txt_section .section-title {
        font-size: 2.1rem;
        margin-bottom: 20px;
        padding-bottom: 15px;
    }
    .txt_section img {
        width: 100%;
        margin: 20px auto;
    }
    .txt_section h3 {
        font-size: 1.8rem;
        margin: 30px 0 20px;
        padding-top: 20px;
    }
    .txt_section h4 {
        font-size: 1.5rem;
        margin-bottom: 10px;
    }
    .txt_section p,
    .txt_section ul li {
        font-size: 1.4rem;
        padding: 5px 0 5px 20px;
    }
    .accordion-image img {
        width: 100%;
        margin: 10px 0;
    }
    .inner_section {
        margin-bottom: 20px;
    }
    .inner_section > .img_section {
        padding: 10px 0;
    }
    .img_section .img_section_title {
        font-size: 2rem;
    }
    .inner_section > .img_section img {
        width: 100%;
    }
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin: 30px 0 0;
    }
    .feature-card {
        padding: 20px;
    }
    .feature-row.justify-content-center {
        justify-content: flex-start !important;
    }
    #C7000 .txt_section img {
        width: 100%;
        margin-bottom: 0;
    }
    .txt_section .row-title + .row {
        margin: 10px 0 30px;
    }
    .txt_section .col-md-6 {
        margin-bottom: 20px;
        padding: 0;
    }
    .txt_section .col-md-6 img {
        width: 95%;
    }
    .txt_section .col-md-6 p:first-of-type {
        margin-top: 10px;
    }
    .row-title {
        font-size: 1.7rem;
    }
    #CEN .txt_section p {
        font-size: 1.4rem;
        padding: 0;
    }
    #CEN .txt_section img:first-of-type {
        width: 90%;
        margin: 10px auto;
    }
    #CEN .row .col-md-4 {
        padding: 0;
        margin-bottom: 20px;
    }
    .feature-row {
        margin-bottom: 0;
    }
    .feature-row ul {
        height: auto;
    }
    .inner_section > p {
        width: 95%;
        margin: 20px auto 20px;
        font-size: 1.4rem;
    }
    #CEN .img_section img {
        width: 90%;
    }
}