/* --- 본문 레이아웃 --- */
.content_wrap { 
    width: 100%; 
    padding-bottom: 80px; 
    overflow: hidden; 
}

.main_container { 
    max-width: 1400px; 
    margin: 0 auto; 
    padding: 100px 40px; 
    position: relative; 
    display: flex; 
    gap: 60px; 
}

/* 사이드 네비게이션 (LNB) */
.lnb { 
    width: 200px; 
    position: sticky; 
    top: 140px; 
    flex-shrink: 0; 
    align-self: flex-start;
    z-index: 10;
} 

.lnb_tit {
    font-size: 24px; 
    border-bottom: 3px solid #333333; 
    padding-bottom: 15px; 
    margin-bottom: 20px;
}

.lnb ul li a {
    display: block; 
    padding: 15px 20px; 
    background: #f9f9f9; 
    margin-bottom: 8px; 
    border-radius: 5px; 
    color: #555;
    transition: all 0.3s ease-in-out;
}

.lnb ul li.on a { 
    background: #555555; 
    color: #fff; 
    font-weight: bold; 
}

/* 본문 콘텐츠 스크롤 영역 */
.scroll_container { 
    flex: 1; 
    min-width: 0; 
}

.history_item { 
    width: 100%; 
    margin-bottom: 100px; 
    border-bottom: 1px solid #eee; 
    padding-bottom: 50px;
    display: flex; 
    align-items: flex-start; 
    gap: 40px;
}

.sticky_img { 
    width: 450px; 
    position: sticky; 
    top: 140px; 
    height: 350px; 
    flex-shrink: 0;
    overflow: hidden; 
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.sticky_img img { 
    width: 100%; 
    height: 100%; 
    object-fit: cover; 
}

.text_box { 
    flex: 1; 
    min-width: 0; 
    margin-top: -5px;
}

.text_box h3 { 
    font-size: 28px; 
    margin: 10px 0 20px; 
    line-height: 1.4; 
    word-break: keep-all; 
    overflow-wrap: break-word; 
}

.text_box .main_text { 
    font-size: 17px; 
    line-height: 1.7; 
    color: #444; 
    margin-bottom: 25px; 
    word-break: keep-all; 
}

/* 상세 리스트 */
.detail_list { 
    border-top: 1px solid #eee; 
    margin-top: 20px; 
    padding-top: 20px; 
}

.detail_list li {
    display: flex; 
    margin-bottom: 15px; 
    font-size: 15px; 
    line-height: 1.6; 
}

.detail_list li .lbl { 
    width: 100px; 
    color: #002d5a; 
    font-weight: bold; 
    flex-shrink: 0; 
}

.detail_list li .val { 
    flex: 1; 
    color: #666; 
    word-break: keep-all; 
}