@charset "UTF-8";
:root{--bg:#f5f7fa;--ink:#172b4d;--muted:#58677b;--line:#d8dfe8;--accent:#243e68;--green:#243e68;--paper:#ffffff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Pretendard","Noto Sans KR","Malgun Gothic",Arial,sans-serif;line-height:1.7;word-break:keep-all}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;cursor:pointer}a,button,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}button{border:0}img{max-width:100%}.wrap{width:min(1180px,calc(100% - 96px));margin-inline:auto}.header{padding:22px 48px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:rgba(245,247,250,.96);position:sticky;top:0;z-index:10;gap:24px}.brand{display:flex;align-items:center;gap:16px;font-size:26px;font-weight:800;letter-spacing:-2px}.brand span{font-size:12px;font-weight:500;letter-spacing:.1px;border-left:1px solid var(--line);padding-left:16px}.header nav{display:flex;gap:30px;align-items:center;font-size:13px}.header nav a:hover{color:var(--accent)}.nav-contact{border:1px solid var(--line);padding:7px 15px;border-radius:3px}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;padding-top:90px;padding-bottom:70px;align-items:center}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.8px;margin:0 0 25px}.dot{display:inline-block;background:var(--accent);width:7px;height:7px;border-radius:50%;margin-right:9px}h1,h2,h3,h4,p{margin-top:0}h1{font-size:clamp(36px,4.2vw,60px);line-height:1.32;letter-spacing:-3px;font-weight:650;margin-bottom:28px}h1 em{font-style:normal;color:var(--accent)}.intro{font-size:15px;line-height:1.95;color:var(--muted);margin-bottom:30px}.intro strong{color:var(--ink);font-weight:600}.actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap}.button{display:inline-flex;padding:12px 20px;align-items:center;gap:35px;border-radius:3px;font-size:13px}.primary{background:var(--ink);color:#fff}.primary:hover{background:var(--green)}.text-link{font-size:12px;border-bottom:1px solid var(--line);background:none;padding:4px 0}.hero-foot{display:flex;gap:20px;font-size:10px;color:var(--muted);margin-top:53px;letter-spacing:.2px}.highlights{display:grid;grid-template-columns:1.3fr 1fr 1fr;border-block:1px solid var(--line);padding-block:25px}.highlights>div{padding-left:32px;border-left:1px solid var(--line)}.highlights>div:first-child{border:0;padding-left:0}.highlights strong{font-size:25px;font-weight:600;letter-spacing:-.7px}.highlights strong span{font-size:13px;font-weight:500;letter-spacing:0;margin-left:8px}.highlights p{font-size:11px;color:var(--muted);margin:5px 0 0}.section{padding-block:85px}.section-heading{display:flex;justify-content:space-between;gap:30px;align-items:end;margin-bottom:35px}.section-heading .eyebrow{margin-bottom:13px;color:var(--accent)}h2{font-size:34px;line-height:1.45;letter-spacing:-1.5px;font-weight:600;margin-bottom:0}.section-heading>p{color:var(--muted);font-size:13px;margin-bottom:4px}.featured{display:grid;grid-template-columns:1fr 1fr;background:var(--paper);border:1px solid var(--line);border-radius:4px;overflow:hidden}.project-copy{padding:38px}.project-meta{display:flex;align-items:center;gap:17px;font:12px monospace;color:var(--accent);margin-bottom:25px}.project-meta span{font-size:10px;color:var(--muted);letter-spacing:.3px}.project-copy h3{font-size:30px;line-height:1.45;letter-spacing:-1px;margin-bottom:19px}.project-copy>p,.project-card>p{font-size:13px;color:var(--muted);line-height:1.95}.tags{display:flex;flex-wrap:wrap;gap:6px;margin:20px 0 25px}.tags span{font-size:10px;border:1px solid var(--line);padding:3px 9px;border-radius:2px}.chart{margin:0;padding:40px;background:#edf1f7;display:flex;flex-direction:column;justify-content:center}.chart figcaption>span{font:9px monospace;letter-spacing:1px;color:var(--green)}.chart h4{font-size:18px;font-weight:500;margin:9px 0 30px}.bar-row{display:grid;grid-template-columns:100px 1fr 42px;align-items:center;gap:12px;margin-bottom:19px;font-size:10px}.bar-row b{text-align:right;font-size:12px;font-weight:500}.bar-track{height:18px;background:#dce3ed}.bar-track i{display:block;height:100%;width:var(--value);background:#8b9db7}.best .bar-track i{background:var(--green)}.best{color:var(--green);font-weight:700}.chart-callout{display:flex;align-items:center;gap:20px;border-top:1px solid #cad4e2;padding-top:20px;margin-top:12px}.chart-callout strong{font-size:40px;letter-spacing:-2px;color:var(--green);font-weight:500}.chart-callout span{font-size:11px}.figure-note{color:#53647d;font-size:9px;line-height:1.8;margin:14px 0 0}.project-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}.project-card{padding:33px 38px;border:1px solid var(--line);border-radius:4px}.project-card h3{font-size:24px;line-height:1.5;font-weight:600;letter-spacing:-.7px}.project-card .tags{margin-bottom:20px}details{border-top:1px solid var(--line);padding-top:16px}summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:11px;font-weight:600}summary::-webkit-details-marker{display:none}summary span{font-size:18px;font-weight:400;transition:transform .2s}details[open] summary span{transform:rotate(45deg)}.detail-body{font-size:12px;color:var(--muted);line-height:1.9;padding-top:16px}.detail-body p:last-child{margin-bottom:0}.detail-body ul{padding-left:17px;margin:0}.detail-body li+li{margin-top:8px}.experience-band{background:var(--ink);color:#f5f7fa;padding:72px 0}.experience-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px}.experience-layout .eyebrow{color:#bac9df}.experience-layout h2{font-size:36px}.experience-layout>div>p:last-child{color:#becbde;font-size:13px;margin-top:25px}.timeline article{padding:0 0 28px 25px;border-left:1px solid #62758f;position:relative}.timeline article:last-child{padding-bottom:0}.timeline article:before{content:"";position:absolute;left:-4px;top:6px;width:7px;height:7px;background:#c0cfe4;border-radius:50%}.date{font-size:11px;color:var(--muted);font-family:monospace;letter-spacing:.4px}.timeline .date{color:#becbde}.timeline h3{font-size:21px;margin:8px 0 3px;font-weight:500}.timeline h3 small{font-size:12px;color:#becbde;margin-left:8px}.timeline p{font-size:12px;color:#becbde;margin:9px 0 0;max-width:470px}.timeline .role{font-size:11px;color:#e7edf6;margin:0}.filters{display:flex;gap:7px;margin-bottom:20px}.filters button{background:transparent;border:1px solid var(--line);padding:7px 16px;border-radius:30px;font-size:11px}.filters button span{margin-left:7px;opacity:.7}.filters button.active{background:var(--ink);color:white;border-color:var(--ink)}.publication-list{border-top:1px solid var(--ink)}.publication-list article{display:grid;grid-template-columns:60px 1fr 65px;gap:20px;border-bottom:1px solid var(--line);padding:23px 0;align-items:start}.publication-list article[hidden]{display:none}.pub-year{font:12px monospace;padding-top:3px;color:var(--muted)}.publication-list h3{font-size:14px;font-weight:500;margin:0 0 6px}.publication-list p{font-size:11px;color:var(--muted);margin:0}.author-tag,.co-tag{font-size:10px;white-space:nowrap;padding:3px 9px;border-radius:2px;background:#e7edf6;color:var(--green);text-align:center}.co-tag{background:transparent;color:var(--muted)}.contributions{display:grid;grid-template-columns:1.2fr 1fr;gap:50px;margin-top:38px}.contributions article{border-left:2px solid #c5d0e0;padding-left:22px}.contributions .eyebrow{font-size:9px;margin-bottom:10px;color:var(--muted)}.contributions h3{font-size:15px;font-weight:500;margin-bottom:14px}.contributions ul{list-style:none;padding:0;margin:0;font-size:11px}.contributions li{margin-bottom:10px}.contributions li span{display:inline-block;width:125px;font-size:10px;color:var(--muted)}.contributions p{font-size:12px}.muted{color:var(--muted)}.education-section{border-top:1px solid var(--line);padding-top:65px}.education-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.degree{margin-bottom:30px}.degree h3{font-size:19px;font-weight:500;margin:7px 0}.degree h3 span{font-size:11px;color:var(--accent);margin-left:10px}.degree p{font-size:12px;color:var(--muted)}.teaching{font-size:12px;border-top:1px solid var(--line);padding-top:20px}.teaching span{color:var(--muted);font-size:11px}.skills>div{display:grid;grid-template-columns:150px 1fr;gap:10px;padding:0 0 20px;margin-bottom:20px;border-bottom:1px solid var(--line)}.skills h3{font-size:11px;font-weight:500}.skills p{font-size:12px;color:var(--muted);margin:0}.contact{border-block:1px solid var(--line);padding-block:45px;display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}.profile{display:flex;gap:25px;align-items:center}.profile img{width:83px;height:110px;object-fit:cover;object-position:top;border-radius:3px;filter:grayscale(100%)}.profile .eyebrow{font-size:9px;color:var(--accent);margin-bottom:12px}.profile h2{font-size:25px;letter-spacing:-.8px}.profile p:last-child{font-size:11px;color:var(--muted);margin:12px 0 0}.contact-links a{display:flex;justify-content:space-between;gap:20px;padding:13px 0;border-bottom:1px solid var(--line);font-size:13px;overflow-wrap:anywhere;word-break:normal}.contact-links a:hover{color:var(--accent)}footer{display:flex;justify-content:space-between;align-items:center;padding-block:25px;font-size:10px;color:var(--muted)}footer p{margin:0}footer span{font-family:monospace}.skip{position:absolute;top:-100px;left:10px;background:white;padding:10px;z-index:100}.skip:focus{top:10px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(min-width:1500px){.hero{padding-top:110px;padding-bottom:95px}}
@media(max-width:1000px){.wrap{width:calc(100% - 56px)}.header{padding:18px 28px}.header nav{gap:19px}.brand span{display:none}.hero{gap:35px}.hero-foot{gap:12px;font-size:9px}.hero h1{font-size:44px}.project-copy,.project-card,.chart{padding:28px}.bar-row{grid-template-columns:87px 1fr 35px;gap:8px}.experience-layout,.education-grid{gap:40px}.skills>div{grid-template-columns:1fr;gap:0}.skills h3{margin-bottom:7px}.contact{gap:30px}.contributions{gap:28px}.contributions li span{display:block}}
@media(max-width:700px){html{scroll-padding-top:115px}.wrap{width:calc(100% - 40px)}.header{padding:12px 20px;flex-wrap:wrap;gap:8px}.brand{font-size:22px}.brand span{display:block;font-size:10px}.header nav{width:100%;justify-content:space-between;gap:10px;font-size:11px}.nav-contact{padding:3px 9px}.hero{grid-template-columns:1fr;padding-top:45px;padding-bottom:35px;gap:30px}.hero h1{font-size:42px;letter-spacing:-2px}.hero .eyebrow{font-size:9px;letter-spacing:1px}.intro{font-size:13px}.hero-foot{margin-top:30px}.vision-art{height:240px}.vision-panel{padding:18px}.hero-foot{font-size:9px}.highlights{grid-template-columns:1fr;padding-block:8px}.highlights>div,.highlights>div:first-child{border-left:0;padding:16px 0;display:flex;flex-direction:column}.highlights>div+div{border-top:1px solid var(--line)}.highlights strong{font-size:22px}.section{padding-block:50px}.section-heading{display:block;margin-bottom:25px}.section-heading>p{margin-top:15px;font-size:12px}.eyebrow{font-size:9px}h2{font-size:28px}.featured,.project-grid{grid-template-columns:1fr}.project-copy,.project-card,.chart{padding:25px}.project-copy h3{font-size:26px}.bar-row{grid-template-columns:100px 1fr 40px}.project-card h3{font-size:23px}.experience-band{padding:45px 0}.experience-layout{grid-template-columns:1fr;gap:30px}.experience-layout h2{font-size:30px}.experience-layout>div>p:last-child{margin-top:15px}.publication-list article{grid-template-columns:38px 1fr;gap:12px;padding:20px 0}.publication-list h3{font-size:13px}.author-tag,.co-tag{grid-column:2;justify-self:start}.pub-year{font-size:10px}.contributions,.education-grid,.contact{grid-template-columns:1fr;gap:30px}.contributions h3{font-size:14px}.degree h3{font-size:18px}.skills>div{grid-template-columns:130px 1fr}.contact{padding-block:30px}.profile h2{font-size:23px}.profile{gap:20px}.contact-links a{font-size:12px}footer{flex-wrap:wrap;gap:12px}footer>span{display:none}.filters button{padding:6px 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
@media print{@page{margin:15mm}body{background:#fff;font-size:11px}.header,.vision-panel,.actions,.hero-foot,.filters,.skip,footer a{display:none}.wrap{width:100%;max-width:none}.hero{display:block;padding:0 0 20px}h1{font-size:30px;line-height:1.3}h1 br{display:none}.intro{font-size:12px;margin-bottom:0}.highlights{padding-block:12px}.highlights strong{font-size:20px}.section{padding-block:25px}.section-heading{margin-bottom:15px}.section-heading>p{display:none}h2{font-size:23px}.eyebrow{margin-bottom:9px}.featured,.project-card,.publication-list article,.degree,.contributions article{break-inside:avoid}.project-copy,.project-card,.chart{padding:18px}.project-copy h3,.project-card h3{font-size:19px}.project-copy>p,.project-card>p{font-size:11px}.detail-body{font-size:10px}.chart{background:#edf1f7!important;print-color-adjust:exact}.experience-band{background:white;color:var(--ink);padding:25px 0;border-block:1px solid var(--line)}.experience-layout{gap:30px}.experience-layout h2{font-size:25px}.timeline p,.timeline .date,.timeline .role,.timeline h3 small,.experience-layout .eyebrow,.experience-layout>div>p:last-child{color:var(--muted)}.timeline h3{font-size:16px}.timeline article{break-inside:avoid}.publication-list article[hidden]{display:grid!important}.publication-list article{padding:12px 0}.contributions{margin-top:25px}.contact{padding-block:20px}.contact-links a{font-size:11px}.profile h2{font-size:20px}footer{padding-block:15px}details{display:none}a{text-decoration:none}.hero h1{font-size:30px}}

/* Main profile */
.hero{grid-template-columns:1.1fr 1fr;gap:55px;padding-top:70px;padding-bottom:65px}
.hero h1{font-size:54px;letter-spacing:-2px;margin-bottom:23px}
.hero-name-en{display:block;font-size:23px;font-weight:400;letter-spacing:.2px;margin-top:10px;color:var(--muted)}
.hero-role{display:block;font-size:18px;margin-bottom:12px;letter-spacing:-.3px}
.main-profile{display:flex;align-items:center;gap:25px;border-left:1px solid var(--line);padding-left:30px;scroll-margin-top:110px}
.main-portrait{width:140px;height:180px;flex-shrink:0;object-fit:cover;object-position:top;border-radius:3px}
.main-profile-info{min-width:0;flex:1}.main-profile-info .eyebrow{font-size:9px;letter-spacing:1.3px;margin-bottom:18px;color:var(--accent)}
.main-profile dl{margin:0}.main-profile dl>div{margin-bottom:13px}.main-profile dt{font-size:10px;color:var(--muted);margin-bottom:3px}.main-profile dd{font-size:12px;margin:0}
.main-profile .contact-links a{font-size:11px;padding:9px 0;gap:8px}
@media(max-width:1100px) and (min-width:701px){.hero{gap:30px}.main-profile{flex-direction:column;align-items:flex-start;padding-left:25px}.main-portrait{width:110px;height:141px}.main-profile-info{width:100%}}
@media(max-width:700px){.hero{grid-template-columns:1fr;padding-top:35px;padding-bottom:35px;gap:30px}.hero h1{font-size:40px}.hero-name-en{font-size:21px}.hero-role{font-size:16px}.main-profile{border-left:0;border-top:1px solid var(--line);padding:25px 0 0;gap:18px;align-items:flex-start}.main-portrait{width:100px;height:129px}.main-profile dd{font-size:11px}.main-profile .contact-links a{font-size:10px}.main-profile-info .eyebrow{font-size:8px;letter-spacing:.8px}.hero-foot{margin-top:25px}}
@media(max-width:360px){.main-profile{gap:14px}.main-portrait{width:78px;height:100px}}
@media print{.hero{display:grid;grid-template-columns:1.1fr 1fr;padding:0 0 20px;gap:25px}.hero h1{font-size:30px}.hero-name-en{font-size:16px}.hero-role{font-size:13px}.main-profile{padding-left:18px;gap:14px}.main-portrait{width:80px;height:103px}.main-profile dd,.main-profile .contact-links a{font-size:9px}}

.lab-link{color:var(--accent);text-decoration:underline;text-decoration-color:var(--line);text-underline-offset:4px}.lab-link:hover{text-decoration-color:var(--accent)}

/* Language navigation and English typography */
.header nav{margin-left:auto}.language-switch{display:flex;align-items:center;gap:3px;padding:3px;border:1px solid var(--line);border-radius:4px;flex-shrink:0;font-size:11px}.language-switch a{padding:5px 9px;border-radius:2px}.language-switch [aria-current="page"]{background:var(--ink);color:white}
html[lang="en"] body{word-break:normal}html[lang="en"] h1,html[lang="en"] h2,html[lang="en"] h3{letter-spacing:-.5px}html[lang="en"] .hero h1{font-size:46px;line-height:1.2}html[lang="en"] .hero-role{font-size:17px}html[lang="en"] .publication-list article{grid-template-columns:60px 1fr 90px}html[lang="en"] .main-profile dd{font-size:11px}html[lang="en"] .project-copy h3{font-size:27px}
@media(max-width:1000px){.header{gap:16px}.header nav{gap:14px}}
@media(max-width:700px){.header{gap:10px}.header .brand{order:0}.language-switch{order:1;margin-left:auto;font-size:10px}.header nav{order:2;margin-left:0;gap:8px}.language-switch a{padding:3px 6px}.header .brand span{display:none}html[lang="en"] .hero h1{font-size:36px}html[lang="en"] .publication-list article{grid-template-columns:38px 1fr}html[lang="en"] .project-copy h3{font-size:24px}html[lang="en"] .highlights strong span{font-size:12px}}
@media print{.language-switch{display:none}html[lang="en"] .hero h1{font-size:30px}html[lang="en"] .hero-role{font-size:13px}}

@media(max-width:700px){html[lang="en"] .header nav{flex-wrap:wrap;gap:8px 6px}html[lang="en"] .header .nav-contact{padding:3px 5px;white-space:nowrap}}
@media(max-width:400px){html[lang="en"] .header nav{font-size:10px;gap:7px 5px}html[lang="en"] .header .nav-contact{padding:3px 4px}}

/* Ordered resume sections and one research topic per row */
.education-list .degree{display:grid;grid-template-columns:190px 1fr;gap:8px 35px;border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:26px}.education-list .degree .date{grid-row:1 / 3;padding-top:12px}.education-list .degree h3{margin:0}.education-list .degree p{grid-column:2;margin:0}.education-list .teaching{border-top:0}.research-rows{display:flex;flex-direction:column;gap:25px}.research-row{display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);border-radius:4px;background:var(--paper);overflow:hidden}.research-row .project-copy{min-width:0}.research-row h3{font-size:26px;line-height:1.45}.research-media{margin:0;padding:28px;background:#f0f3f8;display:flex;flex-direction:column;justify-content:center;min-width:0}.research-media img{width:100%;height:auto;aspect-ratio:8 / 5;object-fit:contain;display:block}.research-media figcaption{font-size:11px;text-align:center;color:var(--muted);margin-top:14px}.research-row .chart{padding:20px;margin-top:20px}.research-highlights{margin-top:40px}.research-publications{padding-top:60px}.language-skills-section{border-top:1px solid var(--line)}.language-skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px}.language-levels article{display:grid;grid-template-columns:110px 1fr;gap:20px;border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:20px}.language-levels h3{font-size:15px;font-weight:500;margin:0}.language-levels p{font-size:13px;margin:0}.language-levels span{color:var(--muted);font-size:11px}
@media(max-width:700px){.education-list .degree{display:block}.education-list .degree h3{margin:8px 0}.education-list .degree p{margin-top:10px}.research-row{grid-template-columns:1fr}.research-row h3,html[lang="en"] .research-row h3{font-size:23px}.research-media{padding:20px}.research-publications{padding-top:40px}.language-skills-grid{grid-template-columns:1fr;gap:30px}.language-levels article{grid-template-columns:90px 1fr}.header nav{flex-wrap:wrap}.research-highlights>div{display:block}}
@media print{.research-row{break-inside:avoid;grid-template-columns:1.1fr .9fr}.research-media{padding:15px}.research-row h3{font-size:18px}.education-list .degree{break-inside:avoid}.language-skills-grid{gap:30px}.research-publications{padding-top:25px}}

.academic-exchange{margin-top:25px}.academic-exchange h3{font-size:13px;font-weight:500}.academic-exchange p{font-size:12px;color:var(--muted)}

/* Let the text and disclosure control determine each research row's height. */
.research-row .project-copy{padding-bottom:18px}
.research-media{position:relative;min-height:0;padding:0;display:block}
.research-media img{position:absolute;inset:20px 20px 42px;width:calc(100% - 40px);height:calc(100% - 62px);aspect-ratio:auto;object-fit:contain}
.research-media figcaption{position:absolute;left:20px;right:20px;bottom:14px;margin:0;line-height:1.5}
@media(max-width:700px){.research-row .research-media{grid-row:1;height:180px}.research-row .project-copy{grid-row:2;padding-bottom:18px}.research-row:has(details[open]) .research-media{height:240px}}
@media print{.research-row .research-media{grid-row:auto;height:auto}.research-row .project-copy{grid-row:auto}}

/* Compact research summaries with three consistent categories. */
.research-rows{gap:18px}
.research-row .project-copy{padding:22px 28px 12px}
.research-row .project-meta{margin-bottom:12px}
.research-row .project-meta span{font-family:inherit;font-size:11px;letter-spacing:0}
.research-row h3,html[lang="en"] .research-row h3{font-size:23px;line-height:1.35;margin-bottom:12px}
.research-row .project-copy>p{line-height:1.75;margin-bottom:12px}
.research-row .tags{margin:12px 0 14px}
.research-row details{padding-top:10px}
.research-row summary{line-height:1.5}
.research-media img{inset:12px 16px 32px;width:calc(100% - 32px);height:calc(100% - 44px)}
.research-media figcaption{bottom:9px;font-size:10px}
@media(max-width:700px){.research-row .project-copy{padding:20px 22px 12px}.research-row h3,html[lang="en"] .research-row h3{font-size:21px}.research-row .research-media{height:140px}.research-row:has(details[open]) .research-media{height:220px}}

/* Subtle category tones within the navy palette. */
.research-row[data-category="applied"]{background:#f0f5fa;border-color:#c3d2e2;box-shadow:inset 3px 0 0 #9cb4ce}
.research-row[data-category="applied"] .research-media{background:#e9f0f8}
.research-row[data-category="optimization"]{background:#f0f2fa;border-color:#c5cee2;box-shadow:inset 3px 0 0 #a0aecb}
.research-row[data-category="optimization"] .research-media{background:#eaf0f8}
.research-row[data-category="coding"]{background:#eff5f6;border-color:#c1d3da;box-shadow:inset 3px 0 0 #9cb7c1}
.research-row[data-category="coding"] .research-media{background:#e7f0f3}
.research-row[data-category="applied"] .project-meta span{color:#375778}
.research-row[data-category="optimization"] .project-meta span{color:#4c567c}
.research-row[data-category="coding"] .project-meta span{color:#365d6c}

.research-publications .research-highlights{margin:0 0 28px}

/* Concise personal profile. */
.hero{padding-top:48px;padding-bottom:48px;gap:55px}
.hero h1{margin-bottom:18px}
.hero .intro{margin-bottom:0}
.hero .hero-role{margin-bottom:0}
.hero .main-profile{padding-block:5px}
.hero .main-profile dt{font-size:10px;letter-spacing:.5px}
.hero .main-profile dd{font-size:12px;line-height:1.8}
@media(max-width:700px){.hero{padding-top:30px;padding-bottom:30px;gap:24px}.hero h1{margin-bottom:15px}.hero .main-profile{padding-top:22px}.header nav{gap:8px 14px;justify-content:flex-start}html[lang="en"] .header nav{gap:8px 12px}}
@media print{.hero{padding:0 0 20px}}

/* Academic activities grouped beneath formal education. */
.other-activities{margin-top:34px;padding:26px 30px;background:#edf1f6;border:1px solid var(--line);border-radius:4px}
.other-activities>h3{font-size:17px;font-weight:600;margin:0 0 22px;color:var(--ink)}
.activity-list article{display:grid;grid-template-columns:160px 1fr;gap:25px;padding:16px 0;border-top:1px solid var(--line)}
.activity-list article:first-child{border-top:0;padding-top:0}.activity-list article:last-child{padding-bottom:0}
.activity-list .date{padding-top:3px}.activity-list h4{font-size:13px;font-weight:600;margin:0 0 6px}.activity-list p{font-size:12px;color:var(--muted);margin:0;line-height:1.8}
@media(max-width:700px){.other-activities{padding:22px}.activity-list article{grid-template-columns:1fr;gap:7px}}
@media print{.activity-list article{break-inside:avoid}.other-activities{padding:18px}}

.detail-section+.detail-section{margin-top:18px}.detail-section h4{font-size:12px;font-weight:600;color:var(--ink);margin:0 0 7px}.detail-section p{margin-bottom:8px}.detail-section .result-note{font-size:11px;color:var(--muted);margin-top:10px}.detail-section ul{margin:0}