@charset "utf-8";
/* tab */
.cr_tab ul:after{content: ''; display: block; clear: both;}
.cr_tab {
    text-align: center;
    margin: 0 auto;
    width: 80%;
}
.cr_tab ul {
    margin: 0 auto;
    width: 100%;
    display: inline-block;
}
.cr_tab ul li{
	display: table;
	float: left;
	position: relative;
	width: 25%;
	height: 70px;
	margin: 0 auto;
	text-align: center;
	border: 1px solid #e2e2e2;
}
.cr_tab ul li a{
	display: table-cell;
	vertical-align: middle;
	padding: 0 10px;
	font-size: 18px;
	color: #888;
	background: #f9f9f9;
}
.cr_tab ul li.active a {
    font-weight: bold;
    background-color: #1e4fbb;
	border: 1px solid #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;
}
.cr_tab.fixed ul{max-width: 1300px; margin: 0 auto;}
/* 섹션 스타일 */
.ft_inner { 
	width: 80%;
	margin: 0 auto;
	padding: 40px 0;
	text-align: center;
}
.inner_section h2 {
    font-size: 2.3rem;
    font-weight: bold;
    color: #0e2b5c;
    margin-bottom: 40px;
	text-align: center;
}
.img_box img {
	max-width: 90%;
}
.txt_section {
	padding: 40px 0;
}
.inner_section .txt_section:nth-child(2n+1) {
	padding: 0 0 40px;
}
.w-80 {
	width: 80%;
}
.w-90 {
	width: 90%;
}
.comparison-cards {
    display: flex;
    gap: 20px;
    margin: 20px 0;
}
.card {
    flex: 1;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.before-card {
    background: #fff5f5;
    border-top: 4px solid #e53e3e;
}
.after-card {
    background: #f0fff4;
    border-top: 4px solid #38a169;
}
.card h4 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    font-weight: bold;
	line-height: 1.5;
}
.before-card h4 {
    color: #e53e3e;
}
.after-card h4 {
    color: #38a169;
}
.card ul {
    list-style: none;
    padding: 0 30px;
}
.card li {
    padding: 8px 0 0 15px;
    font-size: 1.4rem;
    position: relative;
	color: #111;
	text-align: left;
}
.card li:before {
    content: "•";
    font-weight: bold;
    position: absolute;
    left: 0;
}
.card-content {
    flex: 1;
    display: flex;
    flex-direction: column;
}
.card-image {
    margin-top: auto;
    text-align: center;
}
.card img {
    margin-top: 20px;
    height: auto;
}
/* 아코디언 */
.accordion-container {
    margin: 0 auto;
    opacity: 1;
    visibility: visible;
}
.accordion-item {
    margin-bottom: 15px;
    border: 1px solid #e2e2e2;
    border-radius: 8px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transform: translateZ(0);
}
.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background: #f9f9f9;
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 1px solid #e2e2e2;
}
.accordion-header:hover {
    background: #f0f0f0;
}
.accordion-header.active {
    background: #1e4fbb;
    color: #fff;
}
.accordion-header h3 {
    margin: 0;
    font-size: 1.8rem;
    font-weight: bold;
    color: #333;
}
.accordion-icon {
    font-size: 2rem;
    font-weight: bold;
    color: #1e4fbb;
    transition: transform 0.3s ease;
}
.accordion-header.active .accordion-icon {
    color: #fff;
    transform: rotate(180deg);
}
.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: max-height;
}
.accordion-content.active {
    max-height: 2000px !important;
    min-height: 100px !important;
}
.accordion-image {
    text-align: center;
    padding: 20px;
}
.accordion-image img {
    max-width: 90%;
    height: auto;
}
.accordion-text p {
    font-size: 1.6rem;
    line-height: 28px;
	color: #111;
    margin: 0 auto 30px;
    word-break: keep-all;
	width: 84%;
	padding: 20px;
	border: 2px solid #8d8d8d;
	border-radius: 15px;
	background-color: #f0f0f0;
	font-weight: 600;
}
.accordion-text p:last-child {
    margin-bottom: 0;
}
.accordion-text strong {
    color: #1e4fbb;
    font-weight: bold;
}
/* 서브 아코디언 스타일 */
.sub-accordion-item {
    border-bottom: 1px solid #e2e2e2;
    background: #fff;
    transform: translateZ(0);
}
.sub-accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: #f8f9fa;
    color: #333;
    cursor: pointer;
}
.sub-accordion-header:hover {
    background: #e9ecef;
}
.sub-accordion-header.active {
    background: #1e4fbb;
    color: #fff;
}
.sub-header {
    font-size: 1.6rem;
    font-weight: bold;
    color: #1e4fbb;
    margin: 0;
    line-height: 1.4;
}
.sub-accordion-header.active .sub-header {
    color: #fff;
}
.sub-accordion-icon {
    font-size: 1.4rem;
    font-weight: bold;
    color: #1e4fbb;
}
.sub-accordion-header.active .sub-accordion-icon {
    color: #fff;
    transform: rotate(180deg);
}
.sub-accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0 0 6px 6px;
    will-change: max-height;
}
.sub-accordion-content.active {
    max-height: 5000px !important;
    min-height: 400px !important;
}
.sub-accordion-content .accordion-image {
    text-align: center;
    padding: 15px;
}
.sub-accordion-content .accordion-text {
    padding: 15px 20px;
}
/* 시장 성장률 & 전망 섹션 */
.market-outlook-section {
    margin: 20px 0;
    background: #fafbff;
    border-radius: 20px;
    padding: 40px 30px;
    position: relative;
    overflow: hidden;
}
.market-outlook-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(30, 79, 187, 0.05) 0%, transparent 70%);
    pointer-events: none;
}
.market-stats-container {
    display: flex;
    gap: 30px;
    margin-bottom: 80px;
}
.stat-card {
    width: 50%;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(30, 79, 187, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(30, 79, 187, 0.1);
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 7px;
    background: linear-gradient(90deg, #588af5, #4a90e2, #2558c7);
    background-size: 200% 100%;
}
.stat-icon {
    font-size: 3.5rem;
    margin-bottom: 10px;
}
.stat-number {
    font-size: 4rem;
    font-weight: bold;
    color: #2c3e50;
    margin-bottom: 10px;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.08);
}
.stat-label {
    font-size: 2rem;
    font-weight: bold;
    color: #495057;
    margin-bottom: 15px;
}
.stat-description {
    font-size: 1.5rem;
    line-height: 1.6;
    color: #6c757d;
}
.outlook-cards-container {
    display: flex;
    gap: 25px;
}
.outlook-card {
	width: 33.3%;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 12px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 15px rgba(30, 79, 187, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(30, 79, 187, 0.1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}
.outlook-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}
.outlook-card h4 {
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 15px;
}
.outlook-card p {
    font-size: 1.5rem;
    line-height: 1.6;
    color: #6c757d;
    margin: 0;
}
.technical-challenges-card {
    border-left: 4px solid #2196f3;
}
.sme-barriers-card {
    border-left: 4px solid #2196f3;
}
.technical-challenges-card h4,
.sme-barriers-card h4 {
    color: #2c3e50;
    font-size: 2rem;
    font-weight: bold;
    text-align: left;
	padding-left: 10px;
	margin-bottom: 0;
}
.technical-challenges-card hr,
.sme-barriers-card hr {
	margin: 10px 0;
}
.technical-challenges-card ul,
.sme-barriers-card ul {
    list-style: none;
    padding-left: 25px;
    margin: 0;
}
.technical-challenges-card li,
.sme-barriers-card li {
    margin-bottom: 20px;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 8px;
    transition: all 0.3s ease;
}
.technical-challenges-card li,
.sme-barriers-card li {
    color: #2c3e50;
    font-size: 1.5rem;
    display: block;
    margin-bottom: 0;
	text-align: left;
}
.ft_inner.hidden {
    display: none;
}
.section-title {
    margin-bottom: 50px;
}
.section-title-small {
    margin-bottom: 40px;
}
.section-padding {
    padding: 30px 0 50px;
}
#outlook .txt_section h2 {
    margin-bottom: 20px;
}
/* 태블릿 및 모바일 (768px 이하) */
@media (max-width: 768px) {
	.aos-overflow-fix { overflow-x: hidden; }
    /* 탭 메뉴 */
    .cr_tab {
        width: 90%;
    }
    .cr_tab ul li {
        height: 50px;
    }
    .cr_tab ul li a {
        font-size: 1.5rem;
        line-height: 1.3;
    }
    .ft_inner {
        width: 100%;
		padding: 10px 0;
    }
    .img_box img {
        max-width: 100%;
    }
    .inner_section h2 {
        font-size: 2rem;
        margin-bottom: 15px;
    }
    .txt_section {
        padding: 20px;
    }
    .comparison-cards {
        flex-direction: column;
        align-items: stretch;
        margin: 10px 30px;
    }
    .card {
        justify-content: flex-start;
        padding: 10px;
    }
    .card h4 {
        font-size: 1.6rem;
    }
    .card ul {
        padding: 0 10px;
    }
    .accordion-container {
        padding: 10px 3.5rem;
    }
    .accordion-header {
        padding: 15px 20px;
    }
    .accordion-header h3 {
        font-size: 1.6rem;
    }
    .accordion-icon {
        font-size: 1.8rem;
    }
    .accordion-text {
        padding: 20px;
    }
    .accordion-text p {
        font-size: 1.4rem;
        line-height: 24px;
    }
	.accordion-image {
		padding: 2px;
	}
	.accordion-image img {
		max-width: 100%;
	}
	.sub-accordion-content.active {
		min-height: 180px !important;
	}
    .sub-accordion-header {
        padding: 12px 15px;
    }
    .sub-header {
        font-size: 1.4rem;
    }
    .sub-accordion-icon {
        font-size: 1.2rem;
    }
    .sub-accordion-content .accordion-image {
        padding: 0;
    }
    .sub-accordion-content .accordion-text {
        padding: 10px 15px;
    }
    .market-stats-container {
        gap: 20px;
        margin-bottom: 50px;
    }
    .outlook-cards-container {
        gap: 20px;
    }
    .outlook-card h4 {
		font-size: 1.6rem;
	}
    .technical-challenges-card h4,
    .sme-barriers-card h4 {
        font-size: 1.6rem;
    }
    .section-title {
        margin-bottom: 30px;
    }
    .section-title-small {
        margin-bottom: 25px;
    }
    .section-padding {
        padding: 20px 0 30px;
    }
    
    #principles .inner_section {
        padding: 10px 3.5rem;
    }
    .market-outlook-section {
        padding: 30px;
        margin: 0;
        border-radius: 0;
    }
    .stat-number {font-size: 3rem;}
    .stat-label {font-size: 1.8rem; margin-bottom: 10px;}
    .stat-description {font-size: 1.3rem;}
    .outlook-card p {
        font-size: 1.4rem;
    }
    .img_box {padding: 0 10px;}
    .inner_section .txt_section:nth-child(2n+1) {
        padding: 0 0 20px;
    }
}
/* 모바일 (480px 이하) */
@media (max-width: 480px) {
    .cr_tab ul li a {font-size: 1.32rem;}
    .txt_section {padding: 0;}
    .txt_section:nth-child(2n+1) {padding: 0 0 20px;}
    .card img {width: 80%;}
    .inner_section h2 {font-size: 1.7rem; margin-top: 15px;}
    .stat-card {width: 100%;}
	.accordion-container {
		padding: 10px 20px;
	}
    .accordion-header {
        padding: 12px 15px;
    }
    .accordion-header h3 {
        font-size: 1.4rem;
    }
    .accordion-text {
        padding: 15px;
    }
    .accordion-text p {
        font-size: 1.3rem;
        line-height: 22px;
    }
    .outlook-cards-container {
        flex-direction: column;
    }
    .outlook-card {
        width: 100%;
    }
    #principles .inner_section {padding: 10px 20px;}
    .market-stats-container {flex-direction: column;}
    .stat-number {font-size: 2.5rem; margin-bottom: 8px;}
    .stat-label {font-size: 1.5rem; margin-bottom: 10px;}
    .outlook-card p {font-size: 1.3rem;}
    .outlook-icon {margin-bottom: 10px;}
    .technical-challenges-card li, .sme-barriers-card li {font-size: 1.3rem;}
    .card li {padding: 5px 0 0 15px;}
    .accordion-content.active {min-height: 200px !important; max-height: 500px !important;}
    .comparison-cards {margin: 0 20px;}
    #outlook .txt_section h2 {margin-bottom: 10px;}
}