/* 2026-09-17: LOCKED PC header appearance copied from the current main MASTER. */
header{height:94px!important;background:#fff!important;border-bottom:1px solid #eef2f5!important;display:flex!important;align-items:center!important;position:sticky!important;top:0!important;z-index:50!important}
header .header-inner{width:min(1380px,calc(100% - 60px))!important;margin:0 auto!important;display:flex!important;align-items:center!important;justify-content:space-between!important;gap:20px!important}
header .brand{display:flex!important;align-items:center!important;white-space:nowrap!important;flex:0 0 auto!important;position:relative!important}
header .brand .desktop-logo{display:block!important;width:560px!important;height:78px!important;max-width:none!important;object-fit:cover!important;object-position:center center!important}
header .brand .mobile-logo{display:none!important}
header .brand-tagline{position:absolute!important;z-index:2!important;left:0!important;top:50%!important;transform:translateY(-50%)!important;width:130px!important;min-height:64px!important;display:flex!important;flex-direction:column!important;align-items:center!important;justify-content:center!important;background:#fff!important;color:#0b7bd3!important;font-family:-apple-system,BlinkMacSystemFont,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",sans-serif!important;font-size:18.5px!important;line-height:1.28!important;font-weight:650!important;letter-spacing:-.035em!important;text-align:center!important}
header nav{margin-left:auto!important;display:flex!important;align-items:center!important;justify-content:flex-end!important;gap:13px!important;font-size:21px!important;font-weight:680!important;letter-spacing:-.025em!important;white-space:nowrap!important;color:#283b4d!important}
header nav>a{position:relative!important;padding:10px 1px!important;color:inherit!important;text-decoration:none!important}
header nav>a:first-of-type{font-size:23px!important;font-weight:720!important;color:#173e60!important}
header nav>a:not(.reserve):after{content:"";position:absolute;left:0;right:100%;bottom:2px;height:2px;background:#4b8fbe;transition:.2s}
header nav>a:hover:after{right:0}
header .nav-sep{display:inline-flex!important;align-items:center!important;justify-content:center!important;font-size:16px!important;margin:0 1px!important;color:#a7b1ba!important;font-weight:400!important;line-height:1!important;user-select:none!important}
header .reserve{margin-left:13px!important;font-size:15.5px!important;min-height:48px!important;padding:7px 15px 7px 8px!important;gap:8px!important;border-radius:999px!important;background:#03C75A!important;color:#fff!important;display:inline-flex!important;align-items:center!important;font-weight:850!important;box-shadow:0 6px 16px rgba(3,199,90,.16)!important;white-space:nowrap!important}
header .header-naver-n{width:30px!important;height:30px!important;border-radius:50%!important;background:#fff!important;color:#03C75A!important;display:inline-flex!important;align-items:center!important;justify-content:center!important;font-size:18px!important;font-weight:950!important;line-height:1!important}
header .header-naver-label{display:inline-block!important;white-space:nowrap!important}
header .menu-button{display:none!important}

/* Confirmed 3-stage history wording; inserted without altering the recovered article body. */
.column-timeline-section{padding:48px 0 10px;background:#fff}
.column-timeline-container{width:min(1120px,calc(100% - 120px));margin:0 auto}
.column-timeline-container h2{margin:0;color:#12314b;font-size:27px;line-height:1.35;font-weight:900;letter-spacing:-.045em}
.column-timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:24px}
.column-tl{padding:26px 25px;border:1px solid #e2e9ef;border-radius:22px;background:#fff;box-shadow:0 10px 30px rgba(12,36,60,.05)}
.column-tl .year{font-size:29px;font-weight:900;color:#3d7ea9;line-height:1;margin-bottom:14px}
.column-tl .txt{font-size:16px;color:#17354f;font-weight:700;line-height:1.65}

/* Approved comparison asset: use the single final file without crop/zoom. */
.history-change--approved-combined{display:block!important;margin-top:0!important}
.history-approved-combined-card{margin:0;border-radius:18px;overflow:hidden;background:#fff;border:1px solid #e1e8ed;box-shadow:0 11px 30px rgba(0,0,0,.10)}
.history-approved-combined-frame{width:100%;background:#fff;overflow:hidden}
.history-approved-combined-frame img{display:block!important;width:100%!important;height:auto!important;max-width:100%!important;object-fit:contain!important;object-position:center center!important;transform:none!important}
.history-approved-combined-caption{display:grid;grid-template-columns:1fr 1fr;gap:0;border-top:1px solid #e8eef2;background:#fff}
.history-approved-caption-item{padding:18px 20px 20px}
.history-approved-caption-item+ .history-approved-caption-item{border-left:1px solid #e8eef2}
.history-approved-caption-item b{display:block;color:#173e60;font-size:16px;line-height:1.4;font-weight:900}
.history-approved-caption-item span{display:block;margin-top:6px;color:#6d7e8c;font-size:13px;line-height:1.55;font-weight:650}