/* ────────────────────────────────────────────── 
 MAIN 
────────────────────────────────────────────── */ 
 
/* 기본 구조 */ 
.ds_main_all_wrap { position: relative; width: 100%; height: 100vh; overflow: hidden; } 
 
 /* 배경 (기본 + 숨김) */ 
.ds_main_bg, .ds_main_bg img, .ds_main_bg_hid, .ds_main_bg_hid img { width: 100%; height: 100vh; }
.ds_main_bg { position: absolute; top: 0; left: 0; z-index: 0; }
.ds_main_bg img { object-fit: cover; }
.ds_main_bg_hid { position: absolute; top: 0; left: 0; opacity: 0; visibility: hidden; z-index: 1; transition: opacity .8s ease, visibility .8s ease, transform 1s ease; }
.ds_main_bg_hid img { object-fit: cover; }
.ds_main_bg_hid.active { opacity: 1; visibility: visible; z-index: 2; }
 
 /* 사이드 메뉴 */ 
 .ds_main_side_menu { position: absolute; top: 0; left: 0; width: 20vw; height: 100vh; background: #282745; z-index: 10; } 
 
/* 공통 스타일 */ 
.ds_main_hamburger { position: fixed; bottom: 114px; right: 24px; z-index: 110; width: 54px; height: 54px; border: 0; border-radius: 50px; background: #277fba; backdrop-filter: blur(4px); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; } 
.ds_main_hamburger span { position: relative; display: block; width: 22px; height: 2px; background: #fff; transition: transform .25s ease, opacity .2s ease; } 
.ds_main_hamburger span + span { margin-top: 6px; } 
 
/* 버튼 활성화(X 모양) */ 
.is-menu-open .ds_main_hamburger span:nth-child(1) { transform: translateY(8px) rotate(45deg); } 
.is-menu-open .ds_main_hamburger span:nth-child(2) { opacity: 0; } 
.is-menu-open .ds_main_hamburger span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); } 
 
/* 오버레이 */ 
.ds_main_overlay { position: fixed; inset: 0; z-index: 100; background: rgba(0,0,0,.45); opacity: 0; visibility: hidden; transition: opacity .25s ease, visibility .25s ease; } 
.is-menu-open .ds_main_overlay { opacity: 1; visibility: visible; } 
 
/* 오프캔버스: 기본은 화면 밖 */ 
.ds_main_side_menu { transition: transform .28s ease; will-change: transform; } 
 
 
/* 버튼 기본 숨김 (데스크탑) */ 
.ds_main_hamburger { display: none; } 
.ds_topbar { display: none; } 
 
 
 /* 헤더 */ 
 .ds_main_side_menu .ds_main_header .ds_main_header_title { padding: 30px 40px; } 
 .ds_main_side_menu .ds_main_header div { color: #fff; } 
 .ds_main_side_menu .ds_main_header_tit { font-size: 40px; color: #fff; } 
 




 /* 네비게이션 */ 
.ds_main_header_nav { width: 100%; overflow: hidden; color: #eef2ff; font-family: system-ui, -apple-system, Segoe UI, Roboto, Noto Sans KR, sans-serif; }
.ds_main_header_nav_menu_a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 40px; color: #fff; font-weight: 700; text-decoration: none; transition: .2s ease; }
.ds_main_header_nav_menu_a:hover { background: #34365a; }
.ds_main_header_nav_menu_a img { font-size: 16px; transition: transform .25s ease; }
.ds_main_header_nav_menu.open .ds_main_header_nav_menu_a img { transform: rotate(180deg); }
.ds_main_header_nav_menu_b { max-height: 0; opacity: 0; padding: 0; background: #1a1b32; overflow: hidden; transition: max-height .45s cubic-bezier(.25,.8,.25,1), padding .3s ease-out, opacity .3s ease-out; will-change: max-height, opacity, padding; }
.ds_main_header_nav_menu.open .ds_main_header_nav_menu_b { max-height: 200px; opacity: 1; padding: 0; overflow-y: auto; scrollbar-width: thin; scrollbar-color: rgba(255,255,255,.25) transparent; }
.ds_main_header_nav_menu_b > * { transform: translateY(-6px); opacity: 0; transition: transform .45s cubic-bezier(.25,.8,.25,1), opacity .3s ease-out; }
.ds_main_header_nav_menu.open .ds_main_header_nav_menu_b > * { transform: translateY(0); opacity: 1; }
.ds_main_header_nav_menu_b::-webkit-scrollbar { width: 6px; }
.ds_main_header_nav_menu_b::-webkit-scrollbar-thumb { background: linear-gradient(180deg, rgba(255,255,255,.25), rgba(255,255,255,.1)); border-radius: 8px; }
.ds_main_header_nav_menu_b::-webkit-scrollbar-thumb:hover { background: linear-gradient(180deg, rgba(255,255,255,.35), rgba(255,255,255,.2)); }
.ds_main_header_nav_menu_b a { display: block; padding: 15px 50px; color: #eef2ff; text-decoration: none; font-weight: 600; border-radius: 8px; transition: .2s ease; }
.ds_main_header_nav_menu_b a:hover { background: #12132a; }





 
 /* 푸터 */ 
 .ds_main_side_menu .ds_main_footer { position: absolute; left: 0; bottom: 0; width: 20vw; padding: 20px 40px; background: #1b1a2c; z-index: 1; } 
 .ds_main_side_menu .ds_main_footer .ds_main_footer_in { display: flex; justify-content: space-between; gap: 20px; } 
 .ds_main_side_menu .ds_main_footer .ds_main_footer_in a { display: inline-block; width: 100%; text-align: center; background: #282745; padding: 16px; border-radius: 50px; color: #fff; transition: 0.5s; } 
 .ds_main_side_menu .ds_main_footer .ds_main_footer_in a:hover { background: #319fe8; padding: 16px; } 
 .ds_main_side_menu .ds_main_footer .ds_main_footer_copy { color: #999; text-align: center; } 
 
 /* 버튼 영역 */ 
.ds_main_btn_wrap .ds_main_btn { position: absolute; z-index: 10; min-width: 207px; }
.ds_main_btn_wrap .ds_main_btn a { display: flex; align-items: center; gap: 20px; padding: 16px 60px 16px 30px; border-radius: 50px; color: #319fe8; background: #fff; font-weight: 700; text-decoration: none; position: relative; transition: .5s; }
.ds_main_btn_wrap .ds_main_btn a img { transition: 0.5s; position: absolute; top: 50%; right: 19px; transform: translateY(-50%); }

 
 .ds_main_btn_wrap .ds_main_btn a:hover { background: #319fe8; color: #fff; } 
 .ds_main_btn_wrap .ds_main_btn a:hover img { filter: brightness(10); } 
 
 /* 버튼 라인 공통 */ 
 .ds_main_btn_wrap .ds_main_btn a::after, 
 .ds_main_btn_wrap .ds_main_btn a::before { content: ""; position: absolute; top: 50%; transform: translateY(-50%); transition: opacity .3s ease; } 
 
 /* 버튼 1 */ 
 .ds_main_btn01 a::after { right: -11.5vw; width: 11.5vw; height: 1px; background-image: linear-gradient(to left, #fff 30%, rgba(255,255,255,0) 0%); background-size: .5vw 1px; background-repeat: repeat-x; } 
 .ds_main_btn01 a::before { right: -11.5vw; width: .35vw; height: .35vw; background: #fff; border-radius: 50%; } 
 
 /* 버튼 2 */ 
 .ds_main_btn02 a::after { right: -5.2vw; width: 5.2vw; height: 1px; background-image: linear-gradient(to left, #fff 30%, rgba(255,255,255,0) 0%); background-size: .4vw 1px; background-repeat: repeat-x; } 
 .ds_main_btn02 a::before { right: -5.2vw; width: .35vw; height: .35vw; background: #fff; border-radius: 50%; } 
 
 /* 버튼 3 */ 
 .ds_main_btn03 a::after { left: -6.3vw; width: 6.3vw; height: 1px; background-image: linear-gradient(to right, #fff 30%, rgba(255,255,255,0) 0%); background-size: .4vw 1px; background-repeat: repeat-x; } 
 .ds_main_btn03 a::before { left: -6.3vw; width: .35vw; height: .35vw; background: #fff; border-radius: 50%; } 
 
 .ds_main_btn01 { top: 50%; left: 35%; } 
 .ds_main_btn02 { top: 65%; left: 35%; } 
 .ds_main_btn03 { top: 64%; right: 20%; } 
 
 
 
 
 
 
 /* ────────────────────────────────────────────── 
 SUB 
 ────────────────────────────────────────────── */ 
 
 
 /* 서브 래퍼 */ 
 .ds_sub_all_wrap { position: relative; width: 100%; height: 100vh; overflow: hidden; background: var(--00, linear-gradient(180deg, #292847 0%, #0F101A 100%)); } 
 
 /* 서브 배경 래퍼 */ 
 .ds_sub_bg { position: absolute; inset: 0; z-index: 1; transform: scale(1); transform-origin: center center; transition: transform .9s cubic-bezier(.22,.61,.36,1), filter .9s cubic-bezier(.22,.61,.36,1); will-change: transform, filter; pointer-events: auto; } 
 .ds_sub_bg img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; } 
 
 /* 방재실 전용 bg */ 
 .ds_sub_prevention_bg01 { z-index: 1; opacity: 1; } 
 .ds_sub_prevention_bg02 { z-index: 2; opacity: 0; animation: blink 1s steps(1,end) infinite; } 
 @keyframes blink { 0%,49% { opacity: 0; } 50%,100% { opacity: 1; } 
 } 
 
 
 
 
/* 공통 베이스 */ 
.ds_sub_prevention_bg, 
.ds_sub_pupm_bg, 
.ds_sub_power_bg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transform: scale(1); transition: transform 1.2s cubic-bezier(.22,.61,.36,1); will-change: transform; z-index: 1; } 
 
/* ───────── 방재실 (prevention) ───────── */ 
.ds_sub_all_wrap.zoom-lv1 .ds_sub_prevention_bg { transform: scale(2.5); transform-origin: 45% 0%; } 
.ds_sub_all_wrap.zoom-lv2 .ds_sub_prevention_bg { transform: scale(2); transform-origin: 85% 35%; } 
.ds_sub_all_wrap.zoom-lv3 .ds_sub_prevention_bg { transform: scale(3); transform-origin: 80% 40%; } 
 
.ds_sub_all_wrap.zoom-out-lv1 .ds_sub_prevention_bg { transform: scale(1); transform-origin: 45% 0%; } 
.ds_sub_all_wrap.zoom-out-lv2 .ds_sub_prevention_bg { transform: scale(1); transform-origin: 85% 35%; } 
.ds_sub_all_wrap.zoom-out-lv3 .ds_sub_prevention_bg { transform: scale(1); transform-origin: 80% 40%; } 
 
/* ───────── 펌프실 (pump) ───────── */ 
.ds_sub_all_wrap.zoom-lv1 .ds_sub_pupm_bg { transform: scale(2.5); transform-origin: 25% 50%; } 
.ds_sub_all_wrap.zoom-lv2 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 50% 100%; } 
.ds_sub_all_wrap.zoom-lv3 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 50% 50%; } 
.ds_sub_all_wrap.zoom-lv4 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 70% 80%; } 
.ds_sub_all_wrap.zoom-lv5 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 40% 50%; } 
.ds_sub_all_wrap.zoom-lv6 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 90% 40%; } 
.ds_sub_all_wrap.zoom-lv7 .ds_sub_pupm_bg { transform: scale(3); transform-origin: 55% -10%; } 
.ds_sub_all_wrap.zoom-lv8 .ds_sub_pupm_bg { transform: scale(2); transform-origin: 90% 30%; } 
 
.ds_sub_all_wrap.zoom-out-lv1 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 25% 50%; } 
.ds_sub_all_wrap.zoom-out-lv2 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 50% 100%; } 
.ds_sub_all_wrap.zoom-out-lv3 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 50% 50%; } 
.ds_sub_all_wrap.zoom-out-lv4 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 70% 80%; } 
.ds_sub_all_wrap.zoom-out-lv5 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 40% 50%; } 
.ds_sub_all_wrap.zoom-out-lv6 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 90% 40%; } 
.ds_sub_all_wrap.zoom-out-lv7 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 55% -10%; } 
.ds_sub_all_wrap.zoom-out-lv8 .ds_sub_pupm_bg { transform: scale(1); transform-origin: 90% 30%; } 
 
/* ───────── 전기실 (power) ───────── */ 
.ds_sub_all_wrap.zoom-lv1 .ds_sub_power_bg { transform: scale(2); transform-origin: 30% 50%; } 
.ds_sub_all_wrap.zoom-lv2 .ds_sub_power_bg { transform: scale(2); transform-origin: 10% 55%; } 
.ds_sub_all_wrap.zoom-lv3 .ds_sub_power_bg { transform: scale(1.5); transform-origin: 120% 40%; } 
.ds_sub_all_wrap.zoom-lv4 .ds_sub_power_bg { transform: scale(2.5); transform-origin: 55% 0%; } 
.ds_sub_all_wrap.zoom-lv5 .ds_sub_power_bg { transform: scale(2); transform-origin: 35% 40%; } 
 
.ds_sub_all_wrap.zoom-out-lv1 .ds_sub_power_bg { transform: scale(1); transform-origin: 30% 50%; } 
.ds_sub_all_wrap.zoom-out-lv2 .ds_sub_power_bg { transform: scale(1); transform-origin: 10% 55%; } 
.ds_sub_all_wrap.zoom-out-lv3 .ds_sub_power_bg { transform: scale(1); transform-origin: 120% 40%; } 
.ds_sub_all_wrap.zoom-out-lv4 .ds_sub_power_bg { transform: scale(1); transform-origin: 55% 0%; } 
.ds_sub_all_wrap.zoom-out-lv5 .ds_sub_power_bg { transform: scale(1); transform-origin: 35% 40%; } 
 
 

 

 .ds_sub_all_wrap[class*="zoom-lv"] .ds_sub_con_wrap .sec_tit4, 
 .ds_sub_all_wrap[class*="zoom-lv"] .ds_sub_con_wrap .sec_txt2 { opacity: 0; visibility: hidden; transition: opacity .3s ease, visibility .3s ease; } 
 
 
 
 
 
 /* 헤더 */ 
 .ds_sub_all_wrap .ds_sub_header { position: absolute; top: 0; left: 0; z-index: 10; width: 100%; height: 100px; padding: 0 80px; background: rgba(0,0,0,.2); display: flex; justify-content: space-between; align-items: center; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_logo_wrap { width: 500px; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_logo_wrap .ds_sub_logo_wrap_in { display: flex; gap: 20px; align-items: center; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_logo_wrap .ds_sub_logo_wrap_in .sec_txt3 { color: #999; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_nav_wrap { display: flex; gap: 50px; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_nav_wrap .on { color: #319fe8; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_btn_wrap { width: 500px; display: flex; gap: 20px; justify-content: flex-end; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_btn_wrap .ds_sub_header_btn { color: #999; padding: 10px 20px; border-radius: 50px; border: 1px solid #999; font-weight: 500; transition: .2s; } 
 .ds_sub_all_wrap .ds_sub_header .ds_sub_btn_wrap .ds_sub_header_btn:hover { border-color: #319fe8; background: #319fe8; color: #fff; } 
 
 .ds_sub_all_wrap .ds_sub_con_all_wrap { position: absolute; top: 200px; left: 80px; width: 15vw; z-index: 9; } 
 .ds_sub_all_wrap .ds_sub_con_all_wrap .ds_sub_con_back a { display: flex; gap: 10px; justify-content: center; padding: 20px 40px; border-radius: 80px; background: #1B1A2C; transition: 0.5s; width: 80%; } 
 .ds_sub_all_wrap .ds_sub_con_all_wrap .ds_sub_con_back a:hover { background: #319fe8; } 
 .ds_sub_all_wrap .ds_sub_con_all_wrap .ds_sub_con_wrap { height: calc(100vh - 300px); display: flex; flex-direction: column; justify-content: space-between; } 
 
 /* 포인트 버튼 */ 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn { position: absolute; z-index: 5; width: 60px; height: 60px; border-radius: 50%; background: #F23E11; display: flex; align-items: center; justify-content: center; cursor: pointer; --glow-outset: 16px; --glow-speed: 1.2s; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn > img { position: relative; z-index: 1; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn::after { content: ""; position: absolute; inset: calc(-1 * var(--glow-outset)); border-radius: 50%; background: rgba(242,62,17,.3); opacity: 0; z-index: 0; pointer-events: none; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn:hover::after { animation: glow-dissolve var(--glow-speed) ease-in-out infinite; } 
 @keyframes glow-dissolve { 
 0% { opacity:0 } 20% { opacity:.05 } 50% { opacity:1 } 80% { opacity:.05 } 100% { opacity:0 } 
 } 
 @media (prefers-reduced-motion: reduce) { 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn:hover::after { animation: none; opacity: 1; transition: opacity .2s ease; } 
 } 
 
 /* 아웃라인 (hover 시만 표시) */ 
 .ds_sub_main_con_all_wrap .ds_sub_outline img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; opacity: 0; pointer-events: none; z-index: 4; transition: opacity .25s ease; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn:hover ~ .ds_sub_outline img { opacity: 1; } 
 
 /* 확대 상태에서 모든 outline 숨김 */ 
 .ds_sub_all_wrap[class*="zoom-lv"] .ds_sub_outline img { opacity: 0 !important; transition: opacity .25s ease; } 

 /* 우측 패널 */ 
.sub_main_con_right_all_wrap { position: absolute; top: 50%; right: 80px; z-index: 6; opacity: 0; visibility: hidden; transform: translate(20px, -50%) !important; transition: opacity .4s ease, transform .4s ease, visibility 0s linear .4s; }
.sub_main_con_right_all_wrap .sub_main_con_right_wrap { display: flex; gap: 24px; align-items: flex-end; }
.sub_main_con_right_all_wrap.active { opacity: 1; visibility: visible; transform: translate(0, -50%); transition: opacity .4s ease, transform .4s ease; }
.sub_main_con_right_all_wrap.is-hiding { opacity: 0; visibility: hidden; transform: translate(20px, -50%) !important; transition: opacity .3s ease, transform .3s ease; }

 
 
 /* 텍스트 카드 */ 
 .sub_main_con_right_all_wrap .sub_main_con_right_wrap .sub_main_con_right_txt { position: relative; width: 400px; height: auto; padding: 24px; border-radius: 24px; background: rgba(0,0,0,.4); } 
 .sub_main_con_right_all_wrap .sub_main_con_right_wrap .sub_main_con_right_txt .sub_main_con_right_txt_close { position: absolute; top: 20px; right: 20px; cursor: pointer; } 
 
 /* UI 래퍼 */ 
 .sub_main_con_right_wrap .sub_main_con_right_ui { position: relative; } 
 
 /* 이미지 뷰어(마스크) */ 
 .sub_main_con_right_wrap .sub_main_con_right_ui_img { width: 400px; height: 660px; border-radius: 24px; overflow: hidden; position: relative; cursor: pointer; } 
 
 /* UI 이미지 */ 
 .sub_main_con_right_wrap .sub_main_con_right_ui_img img { display: block; width: 100%; height: auto; transform: translateY(0); transition: transform .6s ease; will-change: transform; } 
 
 /* 내비 버튼 */ 
 .sub_main_con_right_ui .sub_main_con_right_ui_nav { position: absolute; bottom: -70px; left: 50%; transform: translateX(-50%); display: flex; gap: 16px; justify-content: center; } 
 .sub_main_con_right_ui .sub_main_con_right_ui_nav img { padding: 16px; border-radius: 50px; background: #319fe8; color: #fff; cursor: pointer; transition: opacity .2s ease, transform .12s ease; } 
 .sub_main_con_right_ui .sub_main_con_right_ui_nav img:hover { opacity: .9; } 
 .sub_main_con_right_ui .sub_main_con_right_ui_nav img:active { transform: scale(.96); } 
 .sub_main_con_right_ui .sub_main_con_right_ui_nav img.is-disabled { opacity: .45; pointer-events: none; } 
 .ds_sub_main_con_btn.hidden { opacity: 0; pointer-events: none; transition: opacity .3s ease; } 
 







 
 /* 포인트 버튼 위치 (방재실) */ 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_prev_01 { top: 13%; left: 40%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_prev_02 { top: 27%; right: 29%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_prev_03 { top: 47%; right: 27%; } 
 
 /* 포인트 버튼 위치 (펌프실) */ 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_01 { top: 35%; left: 35%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_02 { top: 82%; right: 49%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_03 { top: 53%; right: 52%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_04 { top: 68%; left: 60%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_05 { top: 49%; right: 58%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_06 { top: 36%; right: 22%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_07 { top: 13%; right: 44%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_pump_08 { top: 30%; right: 40%; } 
 
 /* 포인트 버튼 위치 (전기실) */ 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_power_01 { top: 58%; right: 56%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_power_02 { top: 63%; right: 69%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_power_03 { top: 55%; right: 43%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_power_04 { top: 23%; left: 49%; } 
 .ds_sub_main_con_all_wrap .ds_sub_main_con_btn_power_05 { top: 30%; right: 60%; } 
 
 
 @media (prefers-reduced-motion:reduce) { 
 .ds_sub_bg { transition: none; } 
 }