/* Official source materials: preserve uncropped plans and readable documents. */
.official-content{padding-top:48px;padding-bottom:80px;font-family:Pretendard,"Pretendard Variable",sans-serif;font-style:normal}
.official-nav{display:flex;gap:9px;overflow-x:auto;padding:20px max(20px,calc((100vw - 1200px)/2));background:#fff;border-bottom:1px solid #e1e6ec;scrollbar-width:thin}
.official-nav a{white-space:nowrap;color:#263b50;background:#f0f3f6;border:1px solid #dce3e9;padding:11px 16px;border-radius:5px;font-size:14px;font-weight:700}
.official-intro{color:#cbd5e1;text-align:center;line-height:1.8;margin-bottom:25px}
.official-image{margin:0 0 28px;background:white;border:1px solid #e1e6ec;border-radius:8px;overflow:hidden;color:#526273}
.official-image img{display:block;width:100%;height:auto;object-fit:contain}
.official-image figcaption{padding:15px;text-align:center;font-size:13px;line-height:1.6;background:#f5f7f9}
.official-details{margin:16px 0;border:1px solid #d1dbe6;border-radius:7px;background:#fff;color:#18364d;overflow:hidden}
.official-details summary{padding:22px 24px;cursor:pointer;font-weight:800;font-size:18px}
.official-details .official-image{border:0;border-radius:0;margin:0}
.official-vr{background:#04111d;border:1px solid #53647a;border-radius:10px;overflow:hidden;margin-bottom:20px}
.official-vr iframe{display:block;width:100%;height:650px;border:0}
.official-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 24px;background:#cbb07a;color:#10263a;font-size:16px;font-weight:800;border-radius:4px}
.official-source{margin:35px 0;color:#a7b4c5;font-size:13px;line-height:1.8;overflow-wrap:anywhere}
.official-source a{text-decoration:underline;text-underline-offset:3px}
.official-documents{display:grid;gap:12px;margin:25px 0}
.official-documents a{display:flex;padding:20px;background:#fff;color:#18364d;border:1px solid #dbe2eb;border-radius:5px;font-weight:700;line-height:1.6}
.official-consult{padding:35px 20px;text-align:center;border:1px solid #42516a;background:#071a2a;margin-top:40px;border-radius:8px}
.official-consult p{font-size:22px;font-weight:800;margin-bottom:20px;color:#fff}
.official-consult .btn{margin:5px}
.official-content>iframe{display:block;width:100%;aspect-ratio:16/9;height:auto;border:0;margin:25px 0}
.official-hero-vr{position:relative;min-height:440px;overflow:hidden;border-radius:10px;isolation:isolate;display:flex;align-items:flex-end;padding:45px;margin-bottom:30px;background:#071a2a}
.official-hero-vr>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.official-hero-vr:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,16,31,.95),rgba(4,16,31,.05));z-index:-1}
.official-hero-vr h2{font-size:38px;line-height:1.35;color:#fff;margin:12px 0 24px;font-weight:800;letter-spacing:-1px}
.official-hero-vr span{color:#efd8a6;font-weight:700}
.official-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.official-grid>a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:25px;background:#071a2a;border:1px solid #41536a;border-radius:6px;color:#fff;font-size:17px;font-weight:700}
.official-grid>a:hover{border-color:#d1b477;background:#0a2234}
.official-grid span{color:#d1b477}
.official-home-links{padding:65px 24px!important;background:linear-gradient(135deg,#04111d,#0a1d2e);text-align:center;font-family:Pretendard,"Pretendard Variable",sans-serif;font-style:normal}
.official-home-links>p{font-size:14px;color:#cbbd9e;margin-bottom:12px}
.official-home-links>h2{font-family:inherit!important;font-size:clamp(24px,5.5vw,36px)!important;line-height:1.4;font-weight:800;color:#fff!important;margin:0 0 30px!important;font-style:normal!important}
.official-home-links>div{max-width:1100px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.official-home-links a{display:flex;align-items:center;justify-content:space-between;gap:6px;background:#ffffff0d;border:1px solid #ffffff36;border-radius:5px;padding:18px 14px;color:#fff;font-size:15px;font-weight:700;font-family:inherit}
.official-home-links a:first-child{background:#cbb07a;color:#10263a}
@media(max-width:768px){.official-content{padding-top:28px;padding-bottom:55px}.official-phead .h1{font-size:30px}.official-nav{padding:14px 16px}.official-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.official-grid>a{font-size:14px;padding:20px 13px;line-height:1.5}.official-hero-vr{min-height:370px;padding:25px}.official-hero-vr h2{font-size:29px}.official-vr iframe{height:65svh;min-height:420px;max-height:650px}.official-details summary{padding:19px 15px;font-size:16px}.official-image figcaption{font-size:11px;padding:12px}.official-home-links>div{grid-template-columns:repeat(2,minmax(0,1fr))}.official-home-links a{font-size:13px;padding:17px 12px}.official-consult p{font-size:19px}}
.official-phead:after{background:linear-gradient(180deg,rgba(4,13,29,.08) 20%,rgba(4,13,29,.38) 50%,rgba(4,13,29,.93) 100%)}
.official-documents a{justify-content:space-between;gap:18px;flex-wrap:wrap}.official-documents span{font-size:13px;color:#65758a}