:root{--blue:#2461bd;--navy:#0066a5;--sky:#eef3fb;--cyan:#6f97d4;--red:#ee5b02;--orange:#ee5b02;--ink:#17233b;--muted:#66748c;--line:#dbe3ef;--bg:#f3f5f8;--max:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:Arial,"Noto Sans KR",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}.top{height:34px;background:var(--navy);color:#dfeaff;font-size:12px}.top .wrap{height:100%;display:flex;align-items:center;justify-content:space-between}.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.navin{height:82px;display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:13px}.mark{width:66px;height:43px;display:grid;place-items:center;background:var(--blue);color:white;font-size:17px;font-style:italic;font-weight:900;clip-path:polygon(0 0,100% 0,86% 100%,0 100%);position:relative}.mark:after{content:"";position:absolute;width:8px;height:8px;border-radius:50%;background:var(--red);right:7px;top:7px}.logo b{display:block;color:var(--navy);font-size:20px}.logo small{display:block;color:var(--muted);font-size:10px;letter-spacing:1.35px}.menu{display:flex;gap:27px;align-items:center;font-size:14px;font-weight:700;color:#3b465b}.menu a:hover,.menu a.active{color:var(--blue)}.hamb{display:none;border:0;background:none;font-size:24px}.hero{min-height:590px;color:white;position:relative;overflow:hidden;background:linear-gradient(105deg,rgba(4,22,56,.98),rgba(7,55,105,.82)),linear-gradient(135deg,#092c5b,#0c7c9f)}.hero:before{content:"";position:absolute;inset:0;opacity:.14;background-image:linear-gradient(rgba(255,255,255,.13) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.13) 1px,transparent 1px);background-size:50px 50px}.hero:after{content:"RFM";position:absolute;right:4%;bottom:-70px;font-size:260px;font-weight:900;color:rgba(255,255,255,.045)}.hero .wrap{position:relative;z-index:2;padding-top:115px}.eyebar{display:inline-flex;align-items:center;gap:9px;font-size:12px;font-weight:700;letter-spacing:1.3px;color:#e1edf8}.eyebar:before{content:"";width:24px;height:3px;background:var(--red)}.hero h1{font-size:clamp(44px,6vw,72px);line-height:1.14;letter-spacing:-2.5px;margin:16px 0 20px}.hero p{max-width:630px;color:#d4e3f4;font-size:18px}.btn{display:inline-flex;margin-top:24px;padding:13px 23px;background:#fff;color:var(--blue);font-size:14px;font-weight:800}.quick{position:relative;z-index:5;margin-top:-52px}.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;box-shadow:0 15px 45px rgba(20,41,77,.16)}.quick a{padding:26px;border-right:1px solid var(--line);transition:.2s}.quick a:last-child{border:0}.quick a:hover{background:var(--sky);transform:translateY(-4px)}.quick small{color:var(--blue);font-weight:800}.quick b{display:block;margin-top:7px}.section{padding:95px 0}.muted-bg{background:var(--bg)}.head{text-align:center;max-width:760px;margin:0 auto 48px}.head small{color:var(--blue);font-weight:800;letter-spacing:2px}.head h1,.head h2{color:var(--navy);font-size:40px;line-height:1.25;margin:10px 0}.head p{color:var(--muted)}.about{display:grid;grid-template-columns:.85fr 1.15fr;gap:60px;align-items:center}.flow{min-height:380px;padding:55px;background:linear-gradient(145deg,var(--blue),#1594b7);display:grid;gap:13px}.flow div{background:rgba(255,255,255,.95);padding:16px 18px;color:var(--navy);font-size:13px;font-weight:700}.flow span{color:var(--cyan);margin-right:10px}.copy h2{color:var(--navy);font-size:36px;line-height:1.35}.copy p{color:var(--muted)}.check{list-style:none;padding:0}.check li{padding:7px}.check li:before{content:"✓";color:var(--cyan);font-weight:900;margin-right:10px}.research-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.research-card{border:1px solid var(--line);background:white;padding:28px;min-height:235px}.research-card i{width:45px;height:45px;display:grid;place-items:center;background:var(--sky);color:var(--blue);font-style:normal;font-weight:900}.research-card h3{color:var(--navy);font-size:20px;margin:23px 0 8px}.research-card p{color:var(--muted);font-size:14px}.page-hero{padding:78px 0 68px;background:linear-gradient(110deg,var(--navy),#0a6191);color:white}.page-hero small{color:#73dce7;font-weight:800;letter-spacing:2px}.page-hero h1{font-size:clamp(40px,6vw,64px);line-height:1.1;margin:12px 0}.page-hero p{max-width:650px;color:#cfdeed}.status{min-height:24px;text-align:center;color:var(--muted);font-size:12px}.pub-list{display:grid;gap:12px}.pub{display:grid;grid-template-columns:90px 1fr auto;gap:24px;padding:26px 0;border-top:1px solid var(--line)}.pub-year{font-size:24px;color:var(--blue);font-weight:900}.pub h3{color:var(--navy);font-size:19px;line-height:1.45;margin:0 0 7px}.pub p{color:var(--muted);font-size:13px;margin:4px 0}.pub .venue{color:var(--blue);font-weight:800}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{display:inline-flex;border:1px solid var(--line);background:#fff;padding:6px 10px;color:var(--blue);font-size:11px;font-weight:800}.chip:hover{border-color:var(--blue);background:var(--sky)}.patents{display:grid;grid-template-columns:repeat(2,1fr);gap:15px}.patent{border:1px solid var(--line);background:#fff;padding:25px;min-height:220px}.patent-top{display:flex;justify-content:space-between;margin-bottom:20px}.country{color:var(--blue);font-size:11px;font-weight:900}.badge{background:var(--sky);color:var(--blue);padding:4px 8px;font-size:10px}.patent h3{font-size:17px;line-height:1.5;margin:0 0 12px}.patent p{color:var(--muted);font-size:12px;margin:5px 0}.people{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.person{border:1px solid var(--line);background:#fff;overflow:hidden}.photo{aspect-ratio:4/3;display:grid;place-items:center;background:linear-gradient(135deg,#dbe9f5,#f5f8fb);color:#8fa7bd;font-size:42px;font-weight:900;overflow:hidden}.photo img{width:100%;height:100%;object-fit:cover}.person-body{padding:22px}.person h3{margin:0;color:var(--navy);font-size:21px}.english{font-size:12px;color:var(--muted)}.role{margin:8px 0 14px;color:var(--blue);font-size:12px;font-weight:900}.field{min-height:42px;color:var(--muted);font-size:13px}.news-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px}.featured{min-height:330px;padding:38px;background:var(--navy);color:#fff;display:flex;flex-direction:column;justify-content:flex-end}.featured time{color:#6cdae5;font-size:12px}.featured h3{font-size:25px;line-height:1.4;margin:10px 0}.featured p{color:#c7d5e8;font-size:14px}.news-list{border-top:2px solid var(--navy)}.news-item{display:block;padding:21px 5px;border-bottom:1px solid var(--line)}.news-item time{font-size:11px;color:var(--blue)}.news-item b{display:block;margin-top:5px;font-size:15px}.footer{padding:28px 0;background:#071a3c;color:#91a2bc;font-size:12px}.footer .wrap{display:flex;justify-content:space-between}
@media(max-width:900px){.menu{gap:14px}.research-grid,.people{grid-template-columns:1fr 1fr}.about,.news-grid{grid-template-columns:1fr}.pub{grid-template-columns:70px 1fr}.pub .chips{grid-column:2}.patents{grid-template-columns:1fr}}
@media(max-width:720px){.menu{display:none}.menu.open{display:flex;position:absolute;top:70px;left:0;right:0;padding:20px;background:white;flex-direction:column;box-shadow:0 12px 25px #102a4822}.hamb{display:block}.top{display:none}.navin{height:70px}.quick-grid,.research-grid,.people{grid-template-columns:1fr}.quick a{padding:18px}.hero{min-height:540px}.hero .wrap{padding-top:85px}.section{padding:70px 0}.pub{grid-template-columns:1fr;gap:8px}.pub .chips{grid-column:1}.footer .wrap{flex-direction:column;gap:8px}}
.mark{width:108px;height:43px;border:0;border-radius:0;background:transparent url("https://images.seeklogo.com/logo-png/49/1/etri-logo-png_seeklogo-494433.png") center/contain no-repeat;clip-path:none;font-size:0;color:transparent}.mark:after{display:none}
.archive-tools{margin:0 0 38px;padding:22px;background:var(--bg);border:1px solid var(--line)}.search-row{display:flex;align-items:center;gap:14px}.search-box{position:relative;flex:1}.search-box:before{content:"⌕";position:absolute;left:17px;top:50%;transform:translateY(-52%);font-size:23px;color:var(--blue)}.search-box input{width:100%;height:50px;padding:0 18px 0 48px;border:1px solid #cbd6e4;background:#fff;color:var(--ink);font:inherit;outline:none}.search-box input:focus{border-color:var(--blue);box-shadow:0 0 0 3px #075ca818}.result-count{min-width:115px;text-align:right;color:var(--muted);font-size:12px}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.filter-btn{border:1px solid #cbd6e4;background:white;color:#526078;padding:8px 15px;font:inherit;font-size:12px;font-weight:800;cursor:pointer}.filter-btn:hover{border-color:var(--blue);color:var(--blue)}.filter-btn.active{border-color:var(--blue);background:var(--blue);color:white}.empty-state{padding:60px 20px;text-align:center;border-top:1px solid var(--line);color:var(--muted)}
@media(max-width:720px){.search-row{align-items:stretch;flex-direction:column}.result-count{text-align:left}.filter-btn{flex:1}.archive-tools{padding:15px}}
.news-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.news-card{display:flex;flex-direction:column;min-height:250px;padding:28px;border:1px solid var(--line);background:#fff;transition:.2s}.news-card:hover{border-color:var(--blue);transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,41,77,.1)}.news-card time{color:var(--blue);font-size:12px;font-weight:800}.news-card h3{color:var(--navy);font-size:19px;line-height:1.45;margin:15px 0 10px}.news-card p{color:var(--muted);font-size:13px;margin:0}.news-card .chip{align-self:flex-start;margin-top:auto}.photo{aspect-ratio:1/1;background:#eef4f9}.photo img{object-fit:cover;object-position:center 18%}.photo.is-fallback:after{content:"Photo unavailable";display:block;font-size:10px;font-weight:400;color:#9aabba;margin-top:5px}.person-body{min-height:220px}
@media(max-width:720px){.news-cards{grid-template-columns:1fr}.news-card{min-height:220px}}
.gallery-intro{display:flex;justify-content:space-between;align-items:end;gap:30px;margin-bottom:30px}.gallery-intro h2{margin:0;color:var(--navy);font-size:32px}.gallery-intro p{margin:5px 0 0;color:var(--muted)}.album-count{color:var(--blue);font-size:12px;font-weight:800;white-space:nowrap}.gallery-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-auto-rows:310px;gap:14px}.gallery-item{position:relative;overflow:hidden;border:0;padding:0;background:#dce7ef;cursor:zoom-in}.gallery-item:first-child{grid-column:span 2;grid-row:span 2}.gallery-item img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.gallery-item:first-child img{object-position:center}.gallery-item:hover img{transform:scale(1.025)}.gallery-item.image-error:after{content:"Image unavailable";position:absolute;inset:0;display:grid;place-items:center;color:var(--muted);font-size:12px}.gallery-caption{position:absolute;left:0;right:0;bottom:0;padding:28px 20px 15px;background:linear-gradient(transparent,rgba(4,24,50,.78));color:#fff;text-align:left;font-size:12px;font-weight:700;opacity:0;transition:.2s}.gallery-item:hover .gallery-caption{opacity:1}.lightbox{position:fixed;inset:0;z-index:100;display:none;place-items:center;padding:32px;background:rgba(3,15,31,.94)}.lightbox.open{display:grid}.lightbox img{max-width:min(1400px,94vw);max-height:88vh;object-fit:contain}.lightbox-close{position:fixed;right:24px;top:18px;border:1px solid #ffffff55;background:#ffffff12;color:white;width:44px;height:44px;font-size:24px;cursor:pointer}.lightbox-meta{position:fixed;left:25px;bottom:18px;color:#dce8f5;font-size:12px}.album-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:32px}.album-tab{cursor:pointer;padding:9px 15px;border:1px solid var(--line);background:#fff;color:var(--blue);font-size:12px;font-weight:800}.album-tab:hover,.album-tab.active{border-color:var(--blue);background:var(--blue);color:white}
@media(max-width:720px){.gallery-intro{align-items:start;flex-direction:column}.gallery-grid{grid-template-columns:1fr;grid-auto-rows:280px}.gallery-item:first-child{grid-column:span 1;grid-row:span 1}.gallery-caption{opacity:1}.lightbox{padding:15px}}
.drive-folder-frame{display:block;width:100%;height:min(74vh,760px);min-height:580px;border:1px solid var(--line);background:var(--bg)}
@media(max-width:720px){.drive-folder-frame{height:68vh;min-height:480px}}
.navin{height:94px}.logo{width:210px;overflow:hidden}.mark{width:210px;height:58px;background-size:380px 380px;background-position:left center}
@media(max-width:720px){.navin{height:74px}.logo{width:165px}.mark{width:165px;height:50px;background-size:310px 310px;background-position:left center}}
.person-email{display:block;margin:-7px 0 14px;color:var(--blue);font-size:12px;overflow-wrap:anywhere}.person-email:hover{color:var(--orange);text-decoration:underline}.person .field{margin-bottom:14px}
.home-publications{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.home-pub-card,.news-card{overflow:hidden;border:1px solid var(--line);background:#fff}.home-pub-card{display:flex;flex-direction:column;min-height:330px;transition:.2s}.home-pub-card:hover{border-color:var(--orange);transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,41,77,.1)}.home-pub-body{display:flex;flex:1;flex-direction:column;padding:25px}.home-pub-meta{color:var(--blue);font-size:11px;font-weight:800}.home-pub-card h3{margin:12px 0 10px;color:var(--navy);font-size:18px;line-height:1.45}.home-pub-card p{margin:0 0 20px;color:var(--muted);font-size:13px}.home-pub-card .chip{align-self:flex-start;margin-top:auto}.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#e7edf5}.card-thumb img{width:100%;height:100%;object-fit:cover}.card-thumb.is-video:after{content:"▶";position:absolute;left:50%;top:50%;display:grid;width:46px;height:46px;place-items:center;transform:translate(-50%,-50%);border-radius:50%;background:rgba(238,91,2,.9);color:#fff;font-size:17px;padding-left:3px}.news-card{padding:0}.news-card-body{display:flex;flex:1;flex-direction:column;padding:28px}.news-card-body .chip{align-self:flex-start;margin-top:auto}.section-link{margin-top:28px;text-align:center}
@media(max-width:900px){.home-publications{grid-template-columns:1fr 1fr}}
@media(max-width:720px){.home-publications{grid-template-columns:1fr}.home-pub-card{min-height:0}}
.card-thumb{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border:0;padding:0;background:#e7edf5}.card-thumb img,.card-thumb iframe{display:block;width:100%;height:100%;border:0;object-fit:cover}.card-thumb.is-video{cursor:pointer}.card-thumb.is-video:after{box-shadow:0 6px 18px rgba(0,0,0,.24)}.card-thumb.is-video:hover:after{transform:translate(-50%,-50%) scale(1.08)}.card-thumb.is-playing:after{display:none}.pub.has-media{grid-template-columns:90px 220px minmax(0,1fr) auto;align-items:start}.pub.has-media .card-thumb{max-width:220px}.pub.has-media .chips{align-self:start}
@media(max-width:900px){.pub.has-media{grid-template-columns:70px 190px minmax(0,1fr)}.pub.has-media .card-thumb{max-width:190px}.pub.has-media .chips{grid-column:3}}
@media(max-width:720px){.pub.has-media{grid-template-columns:1fr}.pub.has-media .card-thumb{max-width:none}.pub.has-media .chips{grid-column:1}}
.top{background:#0066a5}.hero{background:linear-gradient(112deg,rgba(0,102,165,.98),rgba(36,97,189,.94))}.page-hero{background:linear-gradient(110deg,#0066a5,#2461bd)}.flow{background:linear-gradient(145deg,#2461bd,#0066a5)}.btn{border:1px solid rgba(255,255,255,.72);background:transparent;color:#fff;border-radius:24px}.btn:hover{border-color:#ee5b02;background:#ee5b02}.quick a{border-top:4px solid transparent}.quick a:hover{border-top-color:#ee5b02;background:#fff7f1}.research-card i{background:#eef3fb;color:#2461bd}.research-card:nth-child(even) i{background:#fff0e7;color:#ee5b02}.research-card:hover,.person:hover,.patent:hover{border-color:#ee5b02}.chip:hover{border-color:#ee5b02;background:#fff0e7;color:#d94f00}.filter-btn.active{border-color:#ee5b02;background:#ee5b02}.news-card:hover{border-color:#ee5b02}.album-tab:hover,.album-tab.active{border-color:#ee5b02;background:#ee5b02}.footer{background:#06446f}.gallery-caption{background:linear-gradient(transparent,rgba(0,69,118,.84))}

/* Refined home page */
body[data-page="home"]{background:#fff}
body[data-page="home"] .top{height:30px;background:#07598f;color:#dceafa}
body[data-page="home"] .nav{box-shadow:none}
body[data-page="home"] .navin{height:86px}
body[data-page="home"] .hero{min-height:520px;background:linear-gradient(105deg,#075d98 0%,#2464bc 72%,#2e69bd 100%)}
body[data-page="home"] .hero:before{opacity:.08;background-size:64px 64px}
body[data-page="home"] .hero:after{right:3%;bottom:-88px;font-size:300px;letter-spacing:-18px;color:rgba(255,255,255,.055)}
body[data-page="home"] .hero .wrap{padding-top:102px}
body[data-page="home"] .hero h1{max-width:820px;margin:18px 0 22px;font-size:clamp(46px,6vw,74px);font-weight:750;letter-spacing:-3px}
body[data-page="home"] .hero p{max-width:700px;margin:0;color:#deebf8;font-size:17px;line-height:1.8}
body[data-page="home"] .btn{gap:20px;margin-top:30px;padding:12px 21px;border-radius:3px;background:#fff;color:var(--blue)}
body[data-page="home"] .btn:hover{border-color:var(--orange);background:var(--orange);color:#fff}
body[data-page="home"] .quick{margin-top:0}
body[data-page="home"] .quick-grid{grid-template-columns:repeat(3,1fr);border:1px solid var(--line);border-top:0;box-shadow:none}
body[data-page="home"] .quick a{padding:24px 28px;border-top:0;border-right:1px solid var(--line)}
body[data-page="home"] .quick a:hover{border-top:0;background:#f7f9fc;transform:none}
body[data-page="home"] .quick small{font-size:10px;letter-spacing:1px}
body[data-page="home"] .quick b{display:flex;justify-content:space-between;color:#26354d;font-size:15px}
body[data-page="home"] .quick b span{color:var(--orange)}
body[data-page="home"] .section{padding:88px 0}
body[data-page="home"] .about{gap:78px}
body[data-page="home"] .flow{min-height:350px;padding:44px;background:#f2f6fb;border-left:5px solid var(--blue)}
body[data-page="home"] .flow div{padding:15px 18px;border:1px solid #dbe5f0;background:#fff;color:#26354d}
body[data-page="home"] .copy h2{margin:14px 0 18px;font-size:38px;letter-spacing:-1px}
body[data-page="home"] #news{border-top:1px solid var(--line);background:#f7f9fc}
body[data-page="home"] .head{margin-bottom:38px}
body[data-page="home"] .head h2{font-size:36px;letter-spacing:-.8px}
body[data-page="home"] .news-cards{gap:20px}
body[data-page="home"] .news-card{border-radius:4px;box-shadow:0 5px 20px rgba(20,41,77,.045)}
@media(max-width:720px){body[data-page="home"] .navin{height:74px}body[data-page="home"] .hero{min-height:500px}body[data-page="home"] .hero .wrap{padding-top:76px}body[data-page="home"] .hero h1{font-size:43px;letter-spacing:-2px}body[data-page="home"] .hero p{font-size:15px}body[data-page="home"] .quick-grid{grid-template-columns:1fr}body[data-page="home"] .quick a{border-right:0;border-bottom:1px solid var(--line)}body[data-page="home"] .about{gap:42px}body[data-page="home"] .flow{min-height:0;padding:25px}body[data-page="home"] .section{padding:64px 0}}
/* Keep researcher portraits fully visible without cropping. */
.person .photo img{object-fit:contain;object-position:center}

/* Compact publication resource buttons. */
.pub .chips{align-self:start;align-items:center;justify-content:flex-end}
.pub .chip{height:30px;padding:0 11px 0 9px;gap:6px;border-color:#ccd7e5;border-radius:6px;background:#fff;box-shadow:0 1px 4px rgba(20,41,77,.05);white-space:nowrap;transition:border-color .18s,background .18s,color .18s,transform .18s}
.pub .chip-icon{display:grid;width:15px;height:15px;flex:0 0 15px;place-items:center;color:#53657a}
.pub .chip-icon svg{display:block;width:15px;height:15px;fill:currentColor}
.pub .chip-github .chip-icon{color:#24292f}
.pub .chip-arxiv .chip-icon{color:#b31b1b}
.pub .chip-media .chip-icon{color:var(--orange)}
.pub .chip:hover{border-color:var(--blue);background:#f7faff;color:var(--blue);transform:translateY(-1px);box-shadow:0 5px 13px rgba(20,41,77,.1)}
@media(max-width:720px){.pub .chips{justify-content:flex-start}}

/* Four-column researcher grid with responsive fallbacks. */
.people{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:1100px){.people{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:900px){.people{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:720px){.people{grid-template-columns:1fr}}

/* Compact, bordered researcher cards. */
.people{gap:16px;align-items:start}
.person{border:1px solid #d5dfeb;border-radius:8px;box-shadow:0 3px 12px rgba(20,41,77,.05)}
.person .photo{aspect-ratio:4/3;padding:8px;border-bottom:1px solid #dbe3ef;background:#f7f9fc}
.person .person-body{min-height:190px;padding:18px}

/* Half-size researcher cards; portraits remain fully visible and proportional. */
.person{width:100%;max-width:220px;justify-self:center}
.person .photo{height:220px;aspect-ratio:auto;padding:6px}
.person .photo img{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain;object-position:center}
.person .person-body{min-height:0;padding:14px}
.person h3{font-size:17px;line-height:1.3}
.person .role{margin:5px 0 9px;font-size:10px}
.person .field{min-height:0;margin-bottom:10px;font-size:11px;line-height:1.45}
.person .chips{gap:5px}
.person .chip{align-items:center;padding:4px 7px;gap:4px;border-radius:5px;font-size:9px}
.person .chip-icon,.person-email .chip-icon{display:grid;width:13px;height:13px;flex:0 0 13px;place-items:center}
.person .chip-icon svg,.person-email .chip-icon svg{display:block;width:13px;height:13px;fill:currentColor}
.person-email{display:flex;align-items:center;gap:5px;margin:-3px 0 10px;font-size:10px}

/* Home video */
.video-grid{display:grid;grid-template-columns:1.6fr 1fr;gap:24px;align-items:stretch}.video-frame{position:relative;aspect-ratio:16/9;background:#000;box-shadow:0 15px 40px rgba(20,41,77,.14)}.video-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.yt-channel{display:flex;flex-direction:column;padding:30px;border:1px solid var(--line);background:#fff;transition:.2s}.yt-channel:hover{border-color:#ee5b02;transform:translateY(-3px);box-shadow:0 12px 28px rgba(20,41,77,.1)}.yt-icon{display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:#ff0000;color:#fff;margin-bottom:20px}.yt-channel small{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:2px}.yt-channel b{display:block;margin:6px 0 8px;color:var(--navy);font-size:24px}.yt-channel p{margin:0 0 20px;color:var(--muted);font-size:14px}.yt-channel .chip{align-self:flex-start;margin-top:auto}.footer a:hover{color:#fff}
@media(max-width:900px){.video-grid{grid-template-columns:1fr}}
.person .photo.is-fallback:after{display:none}.person .photo.is-fallback svg{width:auto;height:88%;fill:#c3d0de}

/* Local logo */
.logo{width:auto;overflow:visible}.mark{width:230px;height:29px;background:url("assets/etri-logo.png") left center/contain no-repeat}
@media(max-width:720px){.logo{width:auto}.mark{width:170px;height:22px;background-size:contain}}
/* Home hero title: keep "Robot Foundation Models" on one line on wide screens */
body[data-page="home"] .hero h1{max-width:none}
/* Publications: one year label per group, lab members highlighted */
.pub:not(.year-start){border-top-color:#edf1f6}.pub.year-start{border-top:2px solid var(--navy)}.pub .authors strong{color:var(--ink);font-weight:800}
@media(max-width:720px){.pub-year:empty{display:none}}
/* Contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:40px;align-items:stretch}.contact-info{display:flex;flex-direction:column;gap:26px}.contact-item small{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:2px}.contact-item p{margin:6px 0 0;color:var(--ink);font-size:16px}.contact-item a{color:var(--blue);font-weight:700}.contact-item a:hover{color:var(--orange)}.contact-item .contact-ko{color:var(--muted);font-size:14px}.contact-actions{display:flex;gap:8px;flex-wrap:wrap}.contact-map{min-height:380px;border:1px solid var(--line);background:#e7edf5}.contact-map iframe{display:block;width:100%;height:100%;min-height:380px;border:0}
@media(max-width:900px){.contact-grid{grid-template-columns:1fr}}
body[data-page="home"] .hero .wrap{padding-bottom:84px}@media(max-width:720px){body[data-page="home"] .hero .wrap{padding-bottom:56px}}
/* Home hero: clean white layout */
.hero-plain{background:#fff;border-bottom:1px solid var(--line)}.hero-plain-in{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:88px 0 96px}.hero-copy h1{margin:0 0 22px;color:#1d2433;font-size:clamp(40px,5vw,60px);font-weight:800;line-height:1.05;letter-spacing:-1.5px}.hero-copy p{max-width:540px;margin:0;color:#5b6577;font-size:17px;line-height:1.7}.hero-copy p b{color:var(--blue)}.hero-links{display:flex;gap:34px;margin-top:30px}.hero-links a{color:#1d2433;font-size:15px;font-weight:700}.hero-links a:hover{color:var(--orange)}.hero-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:#f2f4f7}.hero-media iframe{position:absolute;inset:0;width:100%;height:100%;border:0;pointer-events:none}
@media(max-width:900px){.hero-plain-in{grid-template-columns:1fr;gap:36px;padding:56px 0 64px}}
.hero-plain-in{grid-template-columns:1fr}.hero-copy p{max-width:640px}
.video-grid{grid-template-columns:1fr;max-width:920px;margin:0 auto}
/* Sub-page headers: match the clean white home hero */
.page-hero{padding:72px 0 56px;background:#fff;color:#1d2433;border-bottom:1px solid var(--line)}.page-hero small{color:var(--blue)}.page-hero h1{margin:10px 0 14px;color:#1d2433;font-size:clamp(38px,5vw,56px);font-weight:800;line-height:1.05;letter-spacing:-1.5px}.page-hero p{max-width:640px;margin:0;color:#5b6577;font-size:17px}
.hero-copy p{max-width:760px;font-size:16px}.hero-areas{margin-top:28px}.hero-areas small{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:2px}.hero-areas ul{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0 0;padding:0;list-style:none}.hero-areas li{padding:8px 14px;border:1px solid var(--line);background:#f7f9fc;color:#1d2433;font-size:14px;font-weight:700}
/* Home: white sections, dark headings, short centered dividers */
body[data-page="home"] .hero-plain{border-bottom:0}
body[data-page="home"] #video,body[data-page="home"] #news{border-top:0;background:#fff}
body[data-page="home"] #video:before,body[data-page="home"] #news:before{content:"";display:block;width:56px;height:3px;margin:0 auto 72px;background:#1d2433}
body[data-page="home"] #video{padding-top:0}
body[data-page="home"] .head h2{color:#1d2433;font-weight:800}
.hero-areas small{color:#1d2433;font-size:15px;letter-spacing:1.5px}
.hero-copy p{max-width:1015px;font-size:18px;line-height:1.75}
/* Publications: plain text resource links under each entry */
.pub{grid-template-columns:90px minmax(0,1fr)}.pub.has-media{grid-template-columns:90px 220px minmax(0,1fr)}
.pub-links{display:flex;flex-wrap:wrap;gap:20px;margin-top:10px}.pub-link{display:inline-flex;align-items:center;gap:6px;color:#1d2433;font-size:13px;font-weight:700}.pub-link .chip-icon{display:grid;width:15px;height:15px;place-items:center;color:#6b7686}.pub-link .chip-icon svg{display:block;width:15px;height:15px;fill:currentColor}.pub-link:hover{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.pub-link:hover .chip-icon{color:var(--blue)}
@media(max-width:900px){.pub{grid-template-columns:70px minmax(0,1fr)}.pub.has-media{grid-template-columns:70px 190px minmax(0,1fr)}}
@media(max-width:720px){.pub,.pub.has-media{grid-template-columns:1fr}}
/* Archive pages (Research, Patents): minimal search and tab filters */
.page-hero+main.section{padding-top:56px}
.archive-tools{margin:0 0 36px;padding:0;background:none;border:0}
.search-box:before{left:2px;font-size:20px;color:#6b7686}.search-box input{height:46px;padding:0 12px 0 32px;border:0;border-bottom:1px solid #cbd3de;background:transparent;font-size:15px}.search-box input:focus{border-color:#1d2433;box-shadow:none}
.result-count{color:#6b7686}
.filters{gap:26px;margin-top:20px;border-bottom:1px solid var(--line)}
.filter-btn,.filter-btn.active{flex:0 0 auto;margin-bottom:-1px;padding:10px 0;border:0;border-bottom:2px solid transparent;background:none;color:#6b7686;font-size:14px;font-weight:700}
.filter-btn:hover{color:#1d2433;border-color:transparent}.filter-btn.active{color:#1d2433;border-bottom-color:#1d2433}
@media(max-width:720px){.filters{gap:18px;overflow-x:auto;flex-wrap:nowrap}.filter-btn,.filter-btn.active{flex:0 0 auto}}
/* Research list: dark titles, one accent for venues */
.pub{padding:28px 0}.pub.year-start{border-top:1px solid #1d2433}.pub:not(.year-start){border-top-color:#eef1f5}
.pub-year{color:#1d2433;font-size:22px;font-weight:800}
.pub h3{color:#1d2433;font-size:18px;font-weight:700}
.pub .venue{color:var(--blue);font-weight:700}
.pub p{font-size:14px}
/* Patents: plain list matching Research */
.patent-list{display:grid}.patent-row{padding:24px 0;border-top:1px solid #eef1f5}.patent-row:first-child{border-top:1px solid #1d2433}
.patent-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin:0 0 8px;color:#6b7686;font-size:13px}.patent-status{color:var(--blue);font-weight:800}
.patent-row h3{margin:0 0 6px;color:#1d2433;font-size:18px;line-height:1.45}.patent-inventors{margin:0;color:#6b7686;font-size:14px}
/* Footer: light */
.footer{background:#fff;border-top:1px solid var(--line);color:#6b7686}.footer a:hover{color:#1d2433}
/* People: quieter cards */
.person{border-color:#eef1f5;box-shadow:none}.person:hover{border-color:#d5dbe4}.person h3{color:#1d2433}.person .role{color:var(--blue)}
.person .pub-links{gap:14px;margin-top:4px}.person .pub-link{font-size:12px}.person .pub-link .chip-icon,.person .pub-link .chip-icon svg{width:13px;height:13px}
.person-email{color:#5b6577}.person-email:hover{color:#1d2433}
/* Gallery: tab-style albums and dark headings */
.album-tabs{gap:26px;border-bottom:1px solid var(--line)}
.album-tab,.album-tab.active{margin-bottom:-1px;padding:10px 0;border:0;border-bottom:2px solid transparent;background:none;color:#6b7686;font-size:14px;font-weight:700}
.album-tab:hover{border-color:transparent;background:none;color:#1d2433}.album-tab.active{color:#1d2433;border-bottom-color:#1d2433}
.gallery-intro h2{color:#1d2433;font-weight:800}
/* People: five per row with smaller photos */
.people{grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}.person .photo{height:180px}
@media(max-width:1100px){.people{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media(max-width:900px){.people{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:720px){.people{grid-template-columns:repeat(2,minmax(0,1fr))}.person .photo{height:160px}}
.contact-actions{gap:22px}
/* People: equal-height cards and uniform 3:4 portraits */
.people{align-items:stretch}
.person{display:flex;flex-direction:column}
.person .photo,.person .photo.is-fallback{height:auto;aspect-ratio:3/4;padding:0;border-bottom:1px solid #eef1f5;background:#f3f5f8}
.person .photo img{width:100%;height:100%;object-fit:cover;object-position:center top}
.person .photo.is-fallback svg{height:62%}
.person .person-body{display:flex;flex:1;flex-direction:column;padding:14px 14px 16px}
.person .field{flex:1}
.person .pub-links{margin-top:10px}
@media(max-width:720px){.person .photo,.person .photo.is-fallback{height:auto}}
/* People: smaller centered portraits */
.person .photo,.person .photo.is-fallback{display:flex;justify-content:center;aspect-ratio:auto;height:auto;padding:20px 0 0;border-bottom:0;background:none;overflow:visible}
.person .photo img,.person .photo.is-fallback svg{display:block;width:58%;height:auto;aspect-ratio:3/4;object-fit:cover;object-position:center top;background:#f3f5f8}
.person .photo.is-fallback svg{padding:16% 6% 0}
.person .person-body{align-items:center;text-align:center;padding-top:12px}
.person-email{justify-content:center}.person .pub-links{justify-content:center}
@media(max-width:720px){.person .photo,.person .photo.is-fallback{height:auto}}
/* Publication thumbnails: show whole figures on white */
.pub .card-thumb{align-self:start;border:1px solid #eef1f5;background:#fff}.pub .card-thumb:not(.is-video) img{object-fit:contain;padding:6px;background:#fff}
.menu a[href*="youtube.com"]{color:#d93025}.menu a[href*="youtube.com"]:hover{color:#a50e0e}
.card-thumb.is-zoomable{cursor:zoom-in}.card-thumb.is-zoomable:hover{border-color:#cbd3de}
#figure-lightbox img{padding:12px;background:#fff}
/* Scholar updates (internal page) */
.updates-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.updates-meta{margin:0;color:#1d2433;font-weight:700}
.updates-help{margin:10px 0 28px;color:#6b7686;font-size:14px}
.updates-copy-all,.update-copy{padding:8px 14px;border:1px solid #1d2433;background:#1d2433;color:#fff;font:inherit;font-size:13px;font-weight:700;cursor:pointer}.updates-copy-all:hover,.update-copy:hover{background:#fff;color:#1d2433}
.update-copy{padding:5px 12px;border-color:#cbd3de;background:#fff;color:#1d2433}.update-copy:hover{border-color:#1d2433}
.update-row{padding:22px 0;border-top:1px solid #eef1f5}.update-row:first-child{border-top:1px solid #1d2433}.update-row h3{margin:0 0 6px;color:#1d2433;font-size:18px;line-height:1.45}.update-venue{margin:4px 0 0;color:var(--blue);font-size:14px;font-weight:700}
.update-row .pub-links{align-items:center}
/* Contact: UST professors */
.ust-section{margin-top:72px;padding-top:56px;border-top:1px solid var(--line)}.ust-section small{color:var(--blue);font-size:11px;font-weight:800;letter-spacing:2px}.ust-section h2{margin:8px 0 10px;color:#1d2433;font-size:32px;font-weight:800;letter-spacing:-.8px}.ust-section>p{max-width:1060px;margin:0 0 32px;color:#5b6577;font-size:16px}
.ust-people{grid-template-columns:repeat(4,minmax(0,1fr))}
@media(max-width:900px){.ust-people{grid-template-columns:repeat(2,minmax(0,1fr))}}
.contact-heading,.ust-section h2{margin:0 0 28px;color:#1d2433;font-size:32px;font-weight:800;letter-spacing:-.8px}.ust-section h2{margin-bottom:10px}
/* Scholar updates: collapsible date groups */
.update-group{border-top:1px solid #1d2433}.update-group:last-child{border-bottom:1px solid var(--line)}
.update-group summary{display:flex;align-items:center;gap:12px;padding:18px 0;cursor:pointer;list-style:none}.update-group summary::-webkit-details-marker{display:none}
.update-group summary:before{content:"▸";color:#6b7686;font-size:14px;transition:transform .15s}.update-group[open] summary:before{transform:rotate(90deg)}
.update-group-title{color:#1d2433;font-size:17px;font-weight:800}.update-group summary .update-copy{margin-left:auto}
.update-group-body{padding:0 0 8px 26px}.update-group-body .update-row:first-child{border-top:1px solid #eef1f5}

/* Venue tile shown in the thumbnail slot when a paper has no figure */
.pub .card-thumb.is-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:12px;background:#f6f8fb;border:1px solid #eef1f5;color:#1d2433;text-align:center}
.pub .tile-venue{font-size:24px;font-weight:800;letter-spacing:.02em;line-height:1.2}
.pub .tile-venue.is-long{font-size:14px;font-weight:700;letter-spacing:0}
.pub .tile-year{color:#8a96a8;font-size:12px;font-weight:700;letter-spacing:.14em}
@media(max-width:720px){.pub .card-thumb.is-placeholder{display:none}}
/* Research areas as plain text separated by thin bars, without boxes */
.hero-areas ul{gap:6px 0}
.hero-areas li{padding:0;border:0;background:none;font-size:16px}
.hero-areas li+li:before{content:"";display:inline-block;width:1px;height:14px;margin:0 16px;background:#c9d1dc;vertical-align:-1px}
@media(max-width:900px){.hero-areas ul{flex-direction:column;gap:8px}.hero-areas li+li:before{display:none}}
/* Home title in ETRI logo colours: blue with an orange "Models" */
.hero-copy h1{font-family:Montserrat,Arial,sans-serif;font-size:clamp(28px,3.4vw,42px);font-weight:800;line-height:1.15;letter-spacing:-.5px;color:#0066a5}
.hero-copy h1 .accent{color:#f05a22}
.hero-copy p b{color:#1d2433}
.hero-copy h1{font-family:Outfit,Arial,sans-serif;letter-spacing:-.3px}
.hero-copy h1{font-size:clamp(24px,2.7vw,34px);margin-bottom:18px}
body[data-page="home"] .head h2{font-size:clamp(24px,2.7vw,34px)}
/* Two home videos side by side, stacked on narrow screens */
.video-grid.two{grid-template-columns:1fr 1fr;max-width:none;gap:28px}
.video-item{margin:0}
.video-item figcaption{margin-top:14px;color:#1d2433;font-size:15px;font-weight:700;text-align:center}
@media(max-width:900px){.video-grid.two{grid-template-columns:1fr}}
/* Home video player: one large video with selectable thumbnails below */
.video-player{max-width:920px;margin:0 auto}
.video-thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-top:20px}
.video-thumbs:empty{display:none}
.video-thumb{display:flex;flex-direction:column;gap:8px;padding:0;border:0;background:none;text-align:left;cursor:pointer;font:inherit}
.video-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;border:2px solid transparent;opacity:.7;transition:opacity .2s,border-color .2s}
.video-thumb span{color:#5b6576;font-size:13px;font-weight:700;line-height:1.4}
.video-thumb.is-active img,.video-thumb:hover img{border-color:#f05a22;opacity:1}
.video-thumb.is-active span{color:#1d2433}
@media(max-width:720px){.video-thumbs{grid-template-columns:repeat(2,1fr);gap:12px}}