:root{--ink:#172e38;--muted:#647881;--line:#dce7e5;--sea:#126d71;--sea2:#1b8885;--mint:#e0f0eb;--paper:#f5f8f5;--white:#fff;--sun:#f4c66b;--shadow:0 20px 60px rgba(28,63,68,.09)}
    *{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Noto Sans KR','DM Sans',sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button{cursor:pointer}.wrap{width:min(1180px,calc(100% - 48px));margin:auto}
    .topline{height:5px;background:linear-gradient(90deg,#134e58,#16817e 55%,#f1c46c)}header{position:sticky;top:0;z-index:20;background:rgba(245,248,245,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(220,231,229,.85)}.nav{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:19px;letter-spacing:-.7px}.brandmark{display:grid;place-items:center;width:38px;height:38px;border-radius:13px;background:var(--ink);color:#d3eee4}.brandmark svg{width:23px}.navlinks{display:flex;align-items:center;gap:28px;color:#536970;font-size:13px;font-weight:600}.navlinks a:hover{color:var(--sea)}.nav-cta{border:0;border-radius:999px;background:var(--ink);color:#fff;padding:11px 17px;font-size:12px;font-weight:700}
    .hero{padding:53px 0 34px}.hero-grid{display:grid;grid-template-columns:1.18fr .82fr;gap:26px}.hero-copy{padding:35px 0 24px}.eyebrow{display:inline-flex;gap:8px;align-items:center;color:var(--sea);font-size:11px;font-weight:800;letter-spacing:1.5px;text-transform:uppercase}.eyebrow:before{content:'';width:22px;height:1px;background:var(--sea)}h1{font-size:clamp(38px,5.1vw,62px);line-height:1.14;letter-spacing:-2.8px;margin:17px 0 16px;font-weight:800}h1 span{color:var(--sea)}.lead{font-size:15px;line-height:1.85;color:var(--muted);margin:0;max-width:575px}.hero-bottom{display:flex;gap:25px;margin-top:28px;align-items:center}.metric{display:flex;align-items:baseline;gap:7px}.metric b{font-family:Manrope,sans-serif;font-size:22px;letter-spacing:-.7px}.metric span{font-size:11px;color:var(--muted)}.metric-sep{height:25px;width:1px;background:var(--line)}.hero-art{position:relative;min-height:280px;background:#153b48;border-radius:26px;overflow:hidden;color:#fff;padding:25px 26px;box-shadow:var(--shadow)}.hero-art:before{content:'';position:absolute;width:370px;height:370px;border:1px solid rgba(183,229,215,.17);border-radius:50%;right:-84px;top:-111px;box-shadow:0 0 0 25px rgba(183,229,215,.035),0 0 0 52px rgba(183,229,215,.025)}.art-label{display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1}.live-tag{font-size:10px;color:#c9e8df;display:flex;align-items:center;gap:7px}.live-tag i{width:6px;height:6px;border-radius:50%;background:#7de1aa;box-shadow:0 0 10px #7de1aa}.art-number{font:600 11px Manrope,sans-serif;color:#bad7d3}.wave{position:absolute;left:0;right:0;bottom:0;height:145px;opacity:.8}.art-body{position:relative;z-index:1;margin-top:38px;max-width:300px}.art-body small{color:#acd4cc;font-size:11px;font-weight:600}.art-body h2{font-size:23px;line-height:1.45;letter-spacing:-.8px;margin:8px 0}.art-body p{font-size:11px;line-height:1.7;color:#bad0d0;margin:0}.art-pin{position:absolute;z-index:2;right:22%;top:34%;width:47px;height:47px;border-radius:50% 50% 50% 8px;transform:rotate(-45deg);display:grid;place-items:center;background:#e8bd67;box-shadow:0 8px 24px #071e2a66}.art-pin span{transform:rotate(45deg);font-size:17px}
    .quicklinks{display:flex;gap:10px;margin-top:25px;flex-wrap:wrap}.quicklink{display:flex;align-items:center;gap:8px;padding:11px 13px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:11px;font-weight:700;color:#38535b;transition:.2s}.quicklink:hover{transform:translateY(-2px);border-color:#9dc5bb;box-shadow:0 7px 18px #183a3a0c}.quicklink .qicon{width:23px;height:23px;display:grid;place-items:center;border-radius:8px;background:#e7f2ee;color:var(--sea);font-size:12px}
    .search-panel{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:21px 22px;margin:13px auto 26px;position:relative;z-index:3}.search-row{display:grid;grid-template-columns:1fr auto;gap:10px}.searchbox{display:flex;align-items:center;gap:10px;background:#f4f7f6;border:1px solid #e7eeec;border-radius:12px;padding:0 14px}.searchbox svg{width:18px;color:#73888c;flex:none}.searchbox input{width:100%;height:47px;border:0;background:transparent;outline:none;font-size:13px;color:var(--ink)}.searchbox input::placeholder{color:#91a1a3}.search-btn{border:0;background:var(--sea);color:#fff;border-radius:12px;padding:0 22px;font-weight:700;font-size:12px}.filterrow{display:flex;justify-content:space-between;gap:14px;align-items:center;margin-top:16px}.filters{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.filters-label{font-size:10px;color:#87999b;font-weight:700;margin-right:3px}.pill{border:1px solid #e2eae8;background:#fff;color:#62777b;border-radius:999px;padding:7px 12px;font-size:10px;font-weight:700;transition:.18s}.pill:hover,.pill.active{background:var(--ink);border-color:var(--ink);color:#fff}.sort{border:0;background:transparent;color:#76898c;font-size:10px;padding:7px 2px;white-space:nowrap}.sort strong{color:var(--ink)}
    .section-head{display:flex;justify-content:space-between;align-items:end;margin:28px 0 16px}.section-head h2{font-size:22px;letter-spacing:-1px;margin:0}.section-head p{color:var(--muted);font-size:11px;margin:7px 0 0}.result-count{font-size:11px;color:var(--muted)}.result-count b{color:var(--sea);font:700 14px Manrope,sans-serif}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:17px 17px 15px;transition:.22s;display:flex;flex-direction:column;min-height:232px}.card:hover{transform:translateY(-3px);box-shadow:0 15px 34px rgba(25,66,67,.09);border-color:#bdd5cd}.card-top{display:flex;justify-content:space-between;align-items:center}.card-region{font-size:10px;color:var(--sea);font-weight:800;letter-spacing:.3px}.fav{border:1px solid #e4ece9;background:#fff;width:31px;height:31px;border-radius:50%;color:#8da0a0;font-size:16px;line-height:1}.fav.saved{color:#e27f72;border-color:#f0d7d1;background:#fff7f5}.card h3{font-size:17px;letter-spacing:-.6px;margin:13px 0 7px}.card-desc{font-size:11px;line-height:1.7;color:#718287;margin:0;min-height:38px}.tags{display:flex;gap:6px;flex-wrap:wrap;margin:13px 0}.tag{background:#eff5f2;color:#55736e;border-radius:5px;padding:5px 7px;font-size:9px;font-weight:700}.tag.gold{background:#fbf3e3;color:#9a773b}.card-foot{margin-top:auto;padding-top:12px;border-top:1px solid #edf1ef;display:flex;justify-content:space-between;align-items:center}.source-mini{font-size:9px;color:#8b9b9c}.card-actions{display:flex;gap:7px}.text-action{font-size:10px;font-weight:700;color:var(--sea);background:none;border:0;padding:5px 0}.text-action:hover{text-decoration:underline}.empty{display:none;grid-column:1/-1;text-align:center;padding:48px 15px;color:var(--muted);background:#fff;border:1px dashed var(--line);border-radius:16px;font-size:13px}
    .below{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:38px 0 70px}.guidebox,.safetybox{border-radius:19px;padding:23px 24px}.guidebox{background:#e6f0ec}.safetybox{background:#f7eedf}.below h2{font-size:16px;letter-spacing:-.5px;margin:0 0 11px}.below p{font-size:11px;line-height:1.8;color:#637579;margin:0}.guide-list{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:15px}.guide-item{background:#ffffffa6;border:1px solid #dce8e1;border-radius:10px;padding:10px 11px;font-size:10px;font-weight:700;color:#44625e}.guide-item span{display:block;font-size:9px;color:#83938f;font-weight:500;margin-top:4px}.safetybox p+p{margin-top:8px}.official-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.official-row a{padding:8px 10px;background:#fff;border:1px solid #eaddc0;border-radius:8px;color:#6c5b37;font-size:9px;font-weight:700}.update-note{font-size:10px;color:#819196;margin:0 0 60px;line-height:1.7}footer{border-top:1px solid var(--line);padding:22px 0 30px;color:#839396;font-size:10px}.footerline{display:flex;justify-content:space-between;gap:15px;align-items:center}.footer-brand{font-weight:800;color:#476268}.footlinks{display:flex;gap:17px}.footlinks a:hover{color:var(--sea)}.disclaimer{margin-top:12px;line-height:1.8;max-width:850px}
    .modal-backdrop{display:none;position:fixed;inset:0;background:rgba(11,31,39,.56);z-index:50;align-items:center;justify-content:center;padding:18px}.modal-backdrop.open{display:flex}.modal{width:min(520px,100%);background:#fff;border-radius:20px;padding:24px;box-shadow:0 25px 80px #071b2780;max-height:90vh;overflow:auto}.modal-head{display:flex;justify-content:space-between;align-items:start}.modal-kicker{color:var(--sea);font-size:10px;font-weight:800}.modal h2{font-size:24px;letter-spacing:-1px;margin:5px 0}.close{width:32px;height:32px;border:1px solid var(--line);border-radius:50%;background:white;font-size:18px;color:#607579}.modal-copy{font-size:12px;line-height:1.8;color:var(--muted);margin:13px 0}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:17px 0}.detail{border-radius:11px;background:#f4f7f5;padding:11px}.detail small{display:block;color:#839394;font-size:9px;margin-bottom:4px}.detail b{font-size:11px}.modal-source{display:block;color:var(--sea);font-size:11px;font-weight:700;margin-top:16px}.modal-warning{margin-top:17px;background:#fff6e7;border-radius:10px;padding:11px 12px;color:#80663a;font-size:10px;line-height:1.7}.toast{position:fixed;bottom:22px;left:50%;transform:translate(-50%,15px);opacity:0;pointer-events:none;transition:.25s;background:var(--ink);color:white;padding:11px 17px;border-radius:99px;font-size:11px;z-index:80}.toast.show{opacity:1;transform:translate(-50%,0)}
    @media(max-width:850px){.hero-grid{grid-template-columns:1fr .75fr;gap:18px}.hero-art{min-height:285px}.cards{grid-template-columns:repeat(2,1fr)}.navlinks{gap:17px}}
    @media(max-width:640px){.wrap{width:min(100% - 30px,500px)}.nav{height:64px}.navlinks a:not(.nav-cta){display:none}.nav-cta{padding:9px 12px;font-size:10px}.brand{font-size:16px}.brandmark{width:34px;height:34px}.hero{padding:30px 0 20px}.hero-grid{display:flex;flex-direction:column}.hero-copy{padding:8px 0 0}h1{font-size:41px;letter-spacing:-2px;margin:13px 0}.lead{font-size:13px}.hero-art{min-height:225px}.art-body{margin-top:25px}.art-pin{right:17%;top:33%;width:39px;height:39px}.hero-bottom{margin-top:20px;gap:14px}.metric b{font-size:19px}.metric span{font-size:9px}.quicklinks{margin-top:16px;gap:7px}.quicklink{font-size:9px;padding:9px}.search-panel{padding:14px;border-radius:15px;margin:10px auto 22px}.search-row{grid-template-columns:1fr auto;gap:6px}.searchbox{padding:0 10px}.searchbox input{height:43px;font-size:11px}.search-btn{padding:0 13px;font-size:10px}.filterrow{align-items:flex-start;flex-direction:column;margin-top:12px}.filters{gap:5px}.pill{font-size:9px;padding:6px 9px}.sort{align-self:flex-end;margin-top:-3px}.section-head{margin:21px 0 13px}.section-head h2{font-size:19px}.section-head p{font-size:10px}.cards{grid-template-columns:1fr;gap:10px}.card{min-height:0;padding:15px}.card h3{margin-top:9px}.card-desc{min-height:0}.below{grid-template-columns:1fr;margin:26px 0 42px;gap:10px}.guidebox,.safetybox{padding:19px}.update-note{margin-bottom:37px}.footerline{align-items:flex-start;flex-direction:column}.footlinks{flex-wrap:wrap}.modal{padding:19px}.modal h2{font-size:21px}}
    @media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

/* Keep the complete primary navigation reachable on narrow screens. */
@media(max-width:640px){.nav{height:auto;min-height:64px;align-items:stretch;flex-direction:column;justify-content:center;gap:8px;padding:10px 0}.navlinks{display:flex;gap:16px;overflow-x:auto;white-space:nowrap;padding:0 0 4px;scrollbar-width:thin}.navlinks a:not(.nav-cta){display:inline-flex;font-size:11px;flex:none}.nav-cta{flex:none}}

    .tide-panel{background:#fff;border:1px solid var(--line);border-radius:20px;padding:22px 24px;margin:0 auto 25px;box-shadow:var(--shadow)}.tide-panel-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}.tide-panel h2{font-size:21px;letter-spacing:-.8px;margin:8px 0 5px}.tide-panel-head p{font-size:11px;line-height:1.7;color:var(--muted);margin:0}.tide-settings-button{flex:none;border:1px solid var(--line);background:#f7faf8;border-radius:9px;color:#4c6868;padding:9px 12px;font-size:10px;font-weight:700}.tide-settings-button:hover{border-color:#9fc4b9;color:var(--sea)}.tide-controls{display:flex;align-items:end;gap:10px;margin-top:18px}.tide-controls label{display:grid;gap:6px;color:#6c8183;font-size:10px;font-weight:700}.tide-controls select,.tide-controls input{min-width:170px;height:40px;border:1px solid #dce7e4;border-radius:9px;background:#f9fbfa;padding:0 11px;color:var(--ink);font-size:12px}.tide-controls input{min-width:150px}.tide-controls .search-btn{height:40px;padding:0 17px}.tide-controls button:disabled{opacity:.6;cursor:wait}.tide-status{font-size:11px;line-height:1.7;color:#728487;margin:14px 0 0}.tide-status[data-kind=success]{color:#276d60}.tide-status[data-kind=error]{color:#a24f3b}.tide-status[data-kind=empty]{color:#8a6b33}.tide-events{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px;margin-top:12px}.tide-event{display:grid;grid-template-columns:auto 1fr;align-items:center;gap:3px 9px;border-radius:11px;background:#f3f7f5;padding:11px 13px}.tide-event>span{grid-row:span 2;display:grid;place-items:center;width:38px;height:38px;border-radius:10px;background:#dcefeb;color:#246c67;font-size:10px;font-weight:800}.tide-event.low>span{background:#e6eff4;color:#456d84}.tide-event strong{font-size:17px;letter-spacing:-.3px}.tide-event small{font-size:10px;color:#728487}.tide-source{display:flex;flex-wrap:wrap;gap:14px;margin-top:15px;font-size:10px;color:#738589}.tide-source a,.tide-official-fallback{color:var(--sea);font-weight:700;text-decoration:underline;text-underline-offset:2px}.tide-caution{margin:11px 0 0!important;padding:10px 12px;border-radius:9px;background:#fff7e8;color:#78633f!important;font-size:10px!important;line-height:1.7}.tide-official-fallback{display:inline-block;margin-top:8px;font-size:11px}.tide-key-dialog{width:min(440px,calc(100% - 30px));border:0;border-radius:17px;padding:22px;color:var(--ink);box-shadow:0 25px 80px #071b2780}.tide-key-dialog::backdrop{background:#0b1f2780}.tide-dialog-head{display:flex;justify-content:space-between;align-items:flex-start}.tide-dialog-head h2{margin:8px 0;font-size:20px}.tide-dialog-head .close{cursor:pointer}.tide-key-dialog form>p{font-size:11px;line-height:1.8;color:var(--muted)}.tide-key-label{display:block;font-size:11px;font-weight:700;margin:16px 0 7px}.tide-key-dialog input{width:100%;height:42px;border:1px solid #cad9d5;border-radius:9px;padding:0 11px;font-size:12px}.tide-dialog-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:14px}.tide-key-dialog .search-btn{border:0;border-radius:9px;padding:0 15px;background:var(--sea);color:#fff;font-size:11px;font-weight:700}.tide-key-note{padding:9px 11px;border-radius:8px;background:#fff5e4;color:#7d6230!important;font-size:10px!important}
    @media(max-width:640px){.tide-panel{padding:17px 15px;border-radius:15px}.tide-panel-head{display:block}.tide-panel-head .tide-settings-button{margin-top:12px}.tide-panel h2{font-size:18px}.tide-controls{display:grid;grid-template-columns:1fr 1fr;gap:9px}.tide-controls select,.tide-controls input{width:100%;min-width:0}.tide-controls .search-btn{grid-column:1/-1}.tide-events{grid-template-columns:repeat(2,minmax(0,1fr))}.tide-source{gap:9px 12px}}
  

.spot-photo{margin:0 0 10px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#eef4f3}.spot-photo img{display:block;width:100%;height:230px;object-fit:cover}.spot-photo figcaption{padding:7px 9px;font-size:9px;line-height:1.6;color:#718287}.spot-photo a{color:var(--sea);text-underline-offset:2px}.spot-summary{display:grid;gap:7px;margin:0 0 9px;padding:10px 11px;border:1px solid #e7efeb;border-radius:10px;background:#fbfcfb}.summary-desc{margin:0;padding-bottom:7px;border-bottom:1px solid #e8efec;color:#667c7d;font-size:10px;line-height:1.65}.spot-fact{display:grid;grid-template-columns:58px 1fr;gap:6px;align-items:start;font-size:10px;line-height:1.6}.spot-fact b{color:#27726e;font-size:9px}.spot-fact span{color:#52686b}.card-facilities{font-size:10px;line-height:1.6;color:#61777b;background:#f4f7f5;border-radius:8px;padding:8px;margin:0}.card-facilities strong{display:block;color:#315c5c;margin-bottom:2px}
.facility-facts{display:block;margin-bottom:5px}.facility-search-links{display:inline-flex;margin-top:4px}.facility-search-link{display:inline-flex;align-items:center;justify-content:center;border:1px solid #cbdcd7;border-radius:999px;padding:6px 10px;background:#fff;color:#126e6b;font-size:10px;font-weight:800;text-decoration:none}.facility-search-link:hover{background:#e8f3ef;border-color:#8cbdb1}.detail .facility-search-links{display:flex}
.satellite-preview{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:9px 0;padding:9px 11px;border-radius:9px;background:#eaf1ed;color:#476a64;font-size:10px;text-decoration:none}.satellite-preview>span{font-size:10px;color:#476a64}.satellite-preview .spot-map-link{margin-left:auto;color:#207c75;font-weight:700;text-decoration:none;white-space:nowrap}.satellite-preview:hover{background:#e0eee8}.satellite-map{display:block;width:100%;height:180px;margin:9px 0;border:0;border-radius:10px;background:#eaf1ed}
.modal-source[hidden]{display:none}