/*
  SRIS visual editorial refresh
  =============================
  A distinctive academic visual system built around the laboratory logo.
  The stylesheet intentionally changes presentation only; content, page
  hierarchy, publication data, bilingual mappings and compliance records
  remain controlled by the existing templates and JSON sources.
*/

:root{
  --brand-navy:#082f50;
  --brand-blue:#125aa3;
  --brand-cyan:#148a98;
  --brand-red:#e13d45;
  --brand-coral:#d86554;
  --brand-violet:#65558f;
  --warm-white:#fbfaf7;
  --warm-paper:#f4f1eb;
  --ice:#edf5f7;
  --mist:#e2edf1;
  --deep-ink:#122737;
  --soft-ink:#435966;
  --soft-rule:#cfdae0;
  --shadow-soft:0 18px 48px rgba(8,47,80,.10);
  --shadow-float:0 26px 70px rgba(8,47,80,.16);
  --radius-sm:4px;
  --radius-md:10px;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman","Noto Serif SC","Songti SC",serif;
}

html{background:var(--warm-white)}
body{
  background:var(--warm-white);
  color:var(--deep-ink);
  font-feature-settings:"kern" 1,"liga" 1;
}
::selection{background:rgba(18,90,163,.18);color:var(--brand-navy)}
.container{width:min(1240px,calc(100% - 2*var(--gutter)))}

/* Header: retain the full-width logo while giving the site a clear signature. */
.institution-line{
  height:32px;
  background:linear-gradient(90deg,var(--brand-navy) 0 68%,#0c436d 68% 84%,var(--brand-blue) 84%);
  color:#f3f8fb;
  border-bottom:3px solid transparent;
  border-image:linear-gradient(90deg,var(--brand-blue) 0 46%,var(--brand-red) 46% 54%,var(--brand-cyan) 54%) 1;
}
.site-header{
  background:rgba(255,255,255,.965);
  border-bottom:1px solid rgba(8,47,80,.15);
  box-shadow:0 6px 24px rgba(8,47,80,.055);
  backdrop-filter:blur(14px);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:1px;
  background:linear-gradient(90deg,transparent,rgba(18,90,163,.42),rgba(225,61,69,.42),transparent);
}
.main-nav>a,.nav-group>button{color:#203a4d;font-weight:720;letter-spacing:.012em}
.main-nav>a::after,.nav-group>button::after{height:4px;background:linear-gradient(90deg,var(--brand-blue),var(--brand-red));transform-origin:left}
.main-nav>a:hover,.main-nav>a[aria-current="page"],.nav-group.open>button{color:var(--brand-navy)}
.nav-panel{
  border:0;
  border-top:4px solid var(--brand-blue);
  box-shadow:var(--shadow-float);
  padding:14px 20px 16px;
  background:rgba(255,255,255,.985);
}
.nav-panel a{padding:11px 2px;border-color:#e4ebee;transition:color .18s ease,transform .18s ease}
.nav-panel a:hover{color:var(--brand-blue);transform:translateX(3px)}
.nav-code{color:var(--brand-red)}
.lang-link{color:var(--brand-blue)}

/* Typography and section rhythm. */
.display-title,.page-title,.section-title,.module-title,.pi-name{
  color:var(--brand-navy);
  font-family:var(--serif);
  letter-spacing:-.026em;
}
.display-title{font-size:clamp(39px,4.2vw,58px);line-height:1.06;font-weight:700}
.page-title{font-size:clamp(37px,4vw,54px);line-height:1.08;font-weight:700}
.section-title{font-size:clamp(30px,3vw,41px);line-height:1.13;font-weight:700}
.lead{color:var(--soft-ink);font-size:18px;line-height:1.76}
.eyebrow{
  display:flex;
  align-items:center;
  gap:10px;
  color:var(--brand-cyan);
  font-size:11px;
  font-weight:850;
  letter-spacing:.15em;
}
.eyebrow::before{content:"";width:28px;height:3px;background:linear-gradient(90deg,var(--brand-red),var(--brand-blue));flex:0 0 auto}
.section{position:relative;padding:86px 0;border-top:0}
.section--tight{padding:62px 0}
.section--muted{background:linear-gradient(180deg,#f4f7f7 0,var(--ice) 100%)}
.section-heading{margin-bottom:46px;gap:70px}
.section-heading::after{content:"";grid-column:1/-1;height:1px;background:linear-gradient(90deg,var(--brand-blue) 0 15%,var(--soft-rule) 15% 100%);margin-top:4px}
.section-heading--compact::after{display:none}
.section-intro p{color:var(--soft-ink);font-size:15px;line-height:1.8}
.text-link{color:var(--brand-blue);border-bottom:0;padding-bottom:4px;position:relative}
.text-link::before{content:"";position:absolute;left:0;right:22px;bottom:0;height:1px;background:currentColor;transform-origin:left;transition:transform .2s ease}
.text-link:hover::before{transform:scaleX(.45)}
.button-primary,.button-secondary{min-height:47px;padding:10px 20px;border-radius:2px;letter-spacing:.015em;transition:transform .18s ease,box-shadow .18s ease,background .18s ease}
.button-primary{border-color:var(--brand-blue);background:linear-gradient(135deg,var(--brand-navy),var(--brand-blue));box-shadow:0 10px 26px rgba(18,90,163,.18)}
.button-secondary{border-color:#9fb1bc;background:rgba(255,255,255,.78)}
.button-primary:hover,.button-secondary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(8,47,80,.15)}

/* Home hero: editorial statement + contrasting research profile. */
.academic-hero{
  position:relative;
  overflow:hidden;
  padding:78px 0 80px;
  background:
    linear-gradient(90deg,rgba(255,255,255,.98) 0 58%,rgba(238,245,248,.95) 58% 100%),
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(8,47,80,.035) 39px 40px);
  border-bottom:0;
}
.academic-hero::before{
  content:"";
  position:absolute;inset:0 auto 0 0;width:9px;
  background:linear-gradient(180deg,var(--brand-blue) 0 45%,var(--brand-red) 45% 56%,var(--brand-cyan) 56%);
}
.academic-hero::after{
  content:"SRIS";
  position:absolute;
  right:-15px;bottom:-56px;
  color:rgba(8,47,80,.035);
  font-family:var(--serif);
  font-size:190px;
  font-weight:800;
  line-height:1;
  pointer-events:none;
}
.academic-hero-grid{grid-template-columns:minmax(0,1.45fr) minmax(360px,.75fr);gap:78px;align-items:center}
.academic-hero-copy{position:relative;z-index:1}
.academic-hero-copy .lead{max-width:780px}
.research-at-glance{
  position:relative;
  z-index:1;
  padding:28px 30px 24px;
  color:#fff;
  background:linear-gradient(145deg,var(--brand-navy),#0c456f);
  box-shadow:var(--shadow-float);
  border-top:6px solid transparent;
  border-image:linear-gradient(90deg,var(--brand-blue),var(--brand-red),var(--brand-cyan)) 1;
}
.research-at-glance::after{content:"";position:absolute;right:20px;top:22px;width:64px;height:64px;border:1px solid rgba(255,255,255,.14);transform:rotate(45deg)}
.research-at-glance-heading{position:relative;z-index:1}
.research-at-glance-heading span{color:#78d7df}
.research-at-glance-heading h2{color:#fff;font-size:24px}
.research-at-glance ol{position:relative;z-index:1}
.research-at-glance li{border-color:rgba(255,255,255,.17);padding:17px 0}
.research-at-glance li:first-child{border-top-color:rgba(255,255,255,.26)}
.research-at-glance .profile-index{color:#ff9298}
.research-at-glance strong{color:#fff}
.research-at-glance p{color:#cfe0e8}

/* Home section signatures. */
.home-news-section{background:#fff}
.home-news-section::before,.research-focus-section::before,.method-section::before,.publication-home-section::before{
  position:absolute;
  right:max(18px,calc((100vw - 1240px)/2));
  top:40px;
  color:rgba(8,47,80,.055);
  font-family:var(--serif);
  font-size:96px;
  font-weight:800;
  line-height:1;
  pointer-events:none;
}
.home-news-section::before{content:"01"}.research-focus-section::before{content:"02"}.method-section::before{content:"03"}.publication-home-section::before{content:"04"}
.news-showcase{grid-template-columns:minmax(0,1.25fr) minmax(360px,.75fr);gap:40px;align-items:stretch}
.activity-panel,.updates-panel{min-width:0}
.panel-heading{height:48px;border-top:0;border-bottom:1px solid var(--soft-rule);background:transparent}
.panel-heading span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--brand-navy);color:#fff;font-size:13px}
.panel-heading h3{font-size:21px}
.highlight-slider{height:calc(100% - 48px)}
.highlight-viewport{min-height:470px;background:var(--mist);box-shadow:var(--shadow-soft)}
.highlight-slide img{min-height:470px}
.highlight-slide::after{height:58%;background:linear-gradient(180deg,transparent 5%,rgba(5,26,42,.9) 100%)}
.highlight-slide figcaption{padding:28px 30px 26px;grid-template-columns:100px 1fr}
.highlight-slide figcaption span{color:#8ee7e1}
.highlight-slide figcaption strong{font-size:25px;max-width:690px}
.highlight-slide figcaption p{font-size:14px}
.highlight-controls{padding-top:15px}
.updates-panel{padding:0 28px 20px;background:linear-gradient(180deg,#f5f2ec,#fbfaf7);border-left:5px solid var(--brand-red);box-shadow:0 16px 40px rgba(8,47,80,.07)}
.updates-panel .panel-heading{margin-inline:-4px}
.home-news-item{position:relative;padding:18px 0 18px 18px}
.home-news-item::before{content:"";position:absolute;left:0;top:25px;width:7px;height:7px;border-radius:50%;background:var(--brand-cyan);box-shadow:0 0 0 5px rgba(20,138,152,.09)}
.home-news-meta time{color:var(--brand-blue)}
.home-news-item h3{font-size:18px;color:var(--brand-navy)}
.home-news-item p{color:#62727c}

/* Three research directions: differentiated, but still academic. */
.research-focus-section{overflow:hidden;background:linear-gradient(180deg,#fbfaf7 0,#f6f4ef 100%)}
.research-focus-grid{gap:18px;border-top:0}
.research-focus-item{
  position:relative;
  overflow:hidden;
  margin:0;
  padding:34px 30px 30px;
  border-right:0;
  background:#fff;
  box-shadow:0 14px 34px rgba(8,47,80,.07);
  transition:transform .2s ease,box-shadow .2s ease;
}
.research-focus-item::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--brand-cyan)}
.research-focus-item:nth-child(2)::before{background:var(--brand-violet)}
.research-focus-item:nth-child(3)::before{background:var(--brand-coral)}
.research-focus-item::after{content:"";position:absolute;right:-38px;bottom:-44px;width:120px;height:120px;border:22px solid rgba(18,90,163,.045);border-radius:50%}
.research-focus-item:hover{transform:translateY(-5px);box-shadow:0 22px 46px rgba(8,47,80,.12)}
.research-focus-head{min-height:104px;position:relative;z-index:1}
.research-focus-head span{color:var(--brand-red);font-size:27px}
.research-focus-head h3{font-size:25px}
.research-focus-item>p{position:relative;z-index:1;min-height:150px;color:var(--soft-ink);line-height:1.72}
.research-methods-label{position:relative;z-index:1;border-color:var(--soft-rule)}
.research-focus-item li{position:relative;z-index:1}

/* Method pipeline and figures. */
.method-section{overflow:hidden;background:linear-gradient(145deg,#eaf2f5 0,#f8faf9 62%,#f5eee9 100%)}
.method-pipeline{position:relative;gap:18px;border:0;background:transparent}
.method-pipeline::before{content:"";position:absolute;left:5%;right:5%;top:41px;height:2px;background:linear-gradient(90deg,var(--brand-blue),var(--brand-cyan),var(--brand-violet),var(--brand-red));opacity:.55}
.method-pipeline li{position:relative;z-index:1;margin:0;padding:0 17px 16px;border:0;text-align:center}
.method-pipeline li::after{display:none}
.method-pipeline span{display:grid;place-items:center;width:54px;height:54px;margin:0 auto 14px;border-radius:50%;background:#fff;color:var(--brand-blue);border:3px solid currentColor;box-shadow:0 7px 18px rgba(8,47,80,.12)}
.method-pipeline li:nth-child(2) span{color:var(--brand-cyan)}
.method-pipeline li:nth-child(3) span{color:var(--brand-violet)}
.method-pipeline li:nth-child(4) span{color:var(--brand-red)}
.method-pipeline strong{font-size:20px}
.method-pipeline p{font-size:13px;line-height:1.65}
.method-figures--home{gap:28px}
.method-figures--home figure{overflow:hidden;border:0;background:#fff;box-shadow:var(--shadow-soft)}
.method-figures--home img{padding:16px;border:0;background:#fff}
.method-figures--home figcaption{padding:19px 22px 22px;border-top:1px solid var(--soft-rule)}

/* Publication overview: a strong data band rather than four isolated cells. */
.publication-home-section{background:#fff}
.publication-stats{
  overflow:hidden;
  border:0;
  background:linear-gradient(115deg,var(--brand-navy),#0d4774 68%,var(--brand-blue));
  box-shadow:var(--shadow-soft);
}
.publication-stats>div{position:relative;margin:0;padding:28px 28px 24px;border-right:1px solid rgba(255,255,255,.16)}
.publication-stats>div:last-child{border-right:0}
.publication-stats>div::before{content:"";position:absolute;left:0;top:0;width:42px;height:5px;background:var(--brand-cyan)}
.publication-stats>div:nth-child(2)::before{background:#84c7f3}
.publication-stats>div:nth-child(3)::before{background:var(--brand-red)}
.publication-stats>div:nth-child(4)::before{background:#e8c772}
.publication-stats dt{color:#fff;font-size:43px}
.publication-stats dd{color:#c9dce6;font-size:12px;letter-spacing:.08em;text-transform:uppercase}
.selected-publications{margin-top:26px;border-top:1px solid var(--soft-rule)}
.selected-publications article{position:relative;padding:19px 14px 19px 0;transition:background .18s ease,padding-left .18s ease}
.selected-publications article:hover{padding-left:14px;background:linear-gradient(90deg,rgba(18,90,163,.055),transparent)}
.selected-publications time{color:var(--brand-red);font-family:var(--serif);font-size:17px;font-weight:700}

/* Inner-page heroes. */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:66px 0 62px;
  background:
    linear-gradient(105deg,#f7fafb 0 66%,#e7f1f5 66% 100%),
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(8,47,80,.035) 39px 40px);
  border-bottom:0;
}
.page-hero::before{content:"";position:absolute;left:0;top:0;bottom:0;width:8px;background:linear-gradient(180deg,var(--brand-blue),var(--brand-red),var(--brand-cyan))}
.page-index{
  position:relative;
  min-height:150px;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:28px;
  color:#d8e7ef;
  border:0;
  background:linear-gradient(145deg,var(--brand-navy),#0c4e7c);
  box-shadow:var(--shadow-soft);
}
.page-index::before{content:"";position:absolute;right:18px;top:18px;width:46px;height:46px;border-top:2px solid var(--brand-red);border-right:2px solid var(--brand-red)}
.page-index strong{color:#fff;font-size:42px;line-height:1}
.page-index span{color:#c8dce7}

/* People page: stronger portrait hierarchy and a recognisable visual system. */
.people-hero{
  background:
    linear-gradient(100deg,#f9fbfb 0 56%,#eaf2f5 56% 100%),
    repeating-linear-gradient(90deg,transparent 0 39px,rgba(8,47,80,.035) 39px 40px);
}
.people-hero-layout{gap:74px}
.people-hero-copy{position:relative;padding-left:28px}
.people-hero-copy::before{content:"";position:absolute;left:0;top:5px;bottom:2px;width:5px;background:linear-gradient(180deg,var(--brand-blue),var(--brand-red),var(--brand-cyan))}
.team-overview{border:0;margin-top:38px;background:#fff;box-shadow:var(--shadow-soft)}
.team-overview div{padding:18px 17px;border:0!important;position:relative}
.team-overview div+div::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:1px;background:var(--soft-rule)}
.team-overview dt{font-size:34px;color:var(--brand-blue)}
.team-overview div:nth-child(2) dt{color:var(--brand-cyan)}
.team-overview div:nth-child(3) dt{color:var(--brand-violet)}
.team-overview div:nth-child(4) dt{color:var(--brand-red)}
.people-team-figure{position:relative;padding:0 24px 24px 0}
.people-team-figure::before{content:"";position:absolute;right:0;bottom:0;width:72%;height:78%;background:linear-gradient(145deg,var(--brand-blue),var(--brand-cyan));opacity:.16}
.people-team-image{position:relative;z-index:1;border:0;box-shadow:var(--shadow-float)}
.people-team-image::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 1px rgba(255,255,255,.45);pointer-events:none}
.people-team-figure figcaption{position:relative;z-index:1;padding-left:18px;border-left:3px solid var(--brand-red)}
.pi-section{background:linear-gradient(125deg,#0b3355 0,#0d4b76 55%,#123b5a 100%);color:#fff;border:0}
.pi-layout{position:relative}
.pi-image-stage{position:relative;padding:18px;border:0;background:#fff;box-shadow:var(--shadow-float)}
.pi-image-stage::before{content:"";position:absolute;left:-14px;top:-14px;width:58%;height:58%;border-left:7px solid var(--brand-red);border-top:7px solid var(--brand-red);pointer-events:none}
.pi-image-stage::after{content:"";position:absolute;right:-14px;bottom:-14px;width:58%;height:58%;border-right:7px solid var(--brand-cyan);border-bottom:7px solid var(--brand-cyan);pointer-events:none}
.pi-portrait figcaption{color:#bcd0dc}
.pi-section .eyebrow{color:#82e2df}
.pi-section .pi-name{color:#fff}
.pi-role{color:#8fe1df}
.pi-bio{color:#dbe7ed}
.pi-meta{border-color:rgba(255,255,255,.22)}
.pi-meta span{color:#8fe1df}
.pi-meta a,.pi-meta p{color:#fff}
.people-directory-section{background:#fbfaf7}
.people-directory-heading::after{background:linear-gradient(90deg,var(--brand-red) 0 8%,var(--brand-blue) 8% 20%,var(--soft-rule) 20%)}
.group-header{border-top:0;padding-top:0}
.group-header::before{content:"";display:block;width:66px;height:6px;margin-bottom:15px;background:linear-gradient(90deg,var(--brand-blue),var(--brand-red))}
.group-title-wrap>span{color:var(--brand-red)}
.group-count{color:var(--brand-blue)}
.person-photo-wrap{
  padding:14px;
  border:0;
  background:linear-gradient(145deg,#dfeaf0 0 55%,#f4eee7 55% 100%);
  box-shadow:0 13px 32px rgba(8,47,80,.09);
  transition:transform .2s ease,box-shadow .2s ease;
}
.person-photo-wrap::before{content:"";position:absolute;left:0;top:0;width:48px;height:6px;background:var(--brand-cyan);z-index:2}
.person:nth-child(3n+2) .person-photo-wrap::before{background:var(--brand-violet)}
.person:nth-child(3n) .person-photo-wrap::before{background:var(--brand-red)}
.person:hover .person-photo-wrap{transform:translateY(-5px);box-shadow:0 22px 44px rgba(8,47,80,.14)}
.person img{position:relative;z-index:1}
.person-copy{padding-top:16px}
.member-sequence{color:var(--brand-red)}
.person h3{font-size:22px}
.person-role{color:var(--brand-cyan)}
.person-keywords{border-color:var(--soft-rule)}
.featured-member{background:linear-gradient(110deg,#eaf2f4,#f7f3ed);border:0;box-shadow:var(--shadow-soft)}
.featured-member-photo{border:0;background:#fff;box-shadow:0 12px 32px rgba(8,47,80,.1)}
.alumni-section{background:#eef4f6}

/* Research overview and direction pages. */
.direction-overview-list{border-top:0;display:grid;gap:28px}
.direction-overview{
  gap:52px;
  padding:34px;
  border:0;
  background:#fff;
  box-shadow:var(--shadow-soft);
  overflow:hidden;
}
.direction-overview:nth-child(2){background:linear-gradient(110deg,#fff 0 69%,#f1eef8 69%)}
.direction-overview:nth-child(3){background:linear-gradient(110deg,#fff 0 69%,#f8efeb 69%)}
.direction-overview__figure{border:0;box-shadow:0 10px 26px rgba(8,47,80,.08)}
.direction-overview__figure::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:var(--direction-accent);z-index:1}
.direction-overview__figure>span{padding:9px 15px}
.direction-overview h3{font-size:clamp(28px,3vw,38px)}
.direction-question-preview{border-color:var(--soft-rule)}
.integration-chain{border-top:0;background:#fff;box-shadow:var(--shadow-soft);padding:5px 24px}
.funding-table{border-top:0;box-shadow:0 10px 30px rgba(8,47,80,.06);background:#fff;padding:0 24px}
.funding-table__head{background:var(--brand-navy);color:#d9e7ee;margin:0 -24px;padding:13px 24px;border:0}
.funding-table__row:hover{background:linear-gradient(90deg,rgba(18,90,163,.045),transparent)}

.direction-hero{
  padding:68px 0 58px;
  background:linear-gradient(110deg,#082f50 0 54%,#0c4772 54% 100%);
  border:0;
}
.direction-hero::before{content:"";position:absolute;left:0;right:0;top:0;height:7px;background:var(--direction-accent)}
.direction-hero__copy .page-title{color:#fff}
.direction-hero .lead{color:#d1e1e9}
.direction-code{color:rgba(255,255,255,.055)}
.direction-keywords span{color:#e5f0f4;background:rgba(255,255,255,.08);border-color:var(--direction-accent)}
.direction-hero__figure{border:0;box-shadow:var(--shadow-float)}
.direction-hero__figure figcaption{background:#fff}
.direction-overview-copy{border-top:0}
.direction-overview-copy p{padding:18px 22px;background:#fff;border-left:4px solid var(--brand-blue);border-bottom:0;margin-bottom:12px;box-shadow:0 7px 22px rgba(8,47,80,.055)}
.direction-question-grid{gap:18px;border:0}
.direction-question{margin:0;padding:30px 28px;border:0;background:#fff;box-shadow:var(--shadow-soft)}
.direction-question:nth-child(1){border-top:6px solid var(--brand-cyan)}
.direction-question:nth-child(2){border-top:6px solid var(--brand-violet)}
.direction-question:nth-child(3){border-top:6px solid var(--brand-red)}
.direction-question__number{font-size:36px;color:var(--direction-accent)}
.direction-workflow{gap:16px;border:0}
.direction-workflow article{margin:0;padding:25px 23px;border:0;background:linear-gradient(180deg,#f2f6f7,#fff);box-shadow:0 8px 24px rgba(8,47,80,.055)}
.direction-workflow article::after{content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);z-index:3;color:var(--direction-accent);font-size:20px}
.direction-workflow article:last-child::after{display:none}
.direction-publications-section{background:linear-gradient(180deg,#eaf2f4,#f7f8f7)}
.direction-publication-count{border-color:var(--direction-accent)}
.direction-paper{
  grid-template-columns:285px minmax(0,1fr);
  gap:34px;
  margin:0 0 18px;
  padding:24px;
  border:0;
  background:#fff;
  box-shadow:0 12px 32px rgba(8,47,80,.075);
}
.direction-paper__graphic{border:0;background:#eef4f6}
.direction-paper__graphic::before{content:"";position:absolute;left:0;top:0;bottom:0;width:5px;background:var(--direction-accent);z-index:2}
.direction-paper h3{font-size:22px}
.paper-bibliography{border-color:var(--soft-rule)}
.direction-load-more{border:0;background:var(--brand-navy);color:#fff;box-shadow:0 9px 24px rgba(8,47,80,.16)}

/* Publications, news, gallery, teaching and resources. */
.publication-summary{padding:0 0 38px;background:linear-gradient(180deg,#e7f0f4,#fff)}
.publication-tools{position:sticky;top:var(--site-header-height);z-index:30;background:rgba(255,255,255,.97);border:0;box-shadow:0 8px 24px rgba(8,47,80,.07);backdrop-filter:blur(10px)}
.filter-button{border-radius:999px;border-color:#aebdc5;background:#fff;transition:all .18s ease}
.filter-button.active,.filter-button:hover{background:var(--brand-navy);border-color:var(--brand-navy);color:#fff}
.publication{
  position:relative;
  padding:24px 22px 24px 0;
  border-bottom:1px solid var(--soft-rule);
  transition:background .18s ease,padding-left .18s ease;
}
.publication:hover{padding-left:18px;background:linear-gradient(90deg,rgba(18,90,163,.055),transparent)}
.publication-year{color:var(--brand-red);font-family:var(--serif);font-size:19px;font-weight:700}
.publication h2{color:var(--brand-navy);font-size:19px}
.direction-classification-note{border-left:5px solid var(--brand-red);background:#f6f2ed}
.news-list,.lecture-list,.resource-list{border-top:0}
.news-row,.lecture,.resource-row{transition:background .18s ease,transform .18s ease}
.news-row{position:relative;padding:22px 18px;border-bottom:1px solid var(--soft-rule)}
.news-row::before{content:"";position:absolute;left:0;top:22px;bottom:22px;width:4px;background:var(--brand-cyan)}
.news-row:hover{background:#f1f6f7;transform:translateX(3px)}
.news-date{color:var(--brand-blue);font-family:var(--serif);font-weight:700}
.news-category{color:var(--brand-red)}
.gallery-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.gallery-item{grid-column:span 4;margin:0;background:#fff;box-shadow:var(--shadow-soft);overflow:hidden}
.gallery-item:nth-child(1),.gallery-item:nth-child(7){grid-column:span 7}
.gallery-item:nth-child(2),.gallery-item:nth-child(8){grid-column:span 5}
.gallery-item img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.gallery-item:nth-child(1) img,.gallery-item:nth-child(7) img{aspect-ratio:16/9}
.gallery-item:hover img{transform:scale(1.025)}
.gallery-item figcaption{padding:17px 19px 19px;border-top:4px solid var(--brand-cyan)}
.gallery-item:nth-child(3n+2) figcaption{border-color:var(--brand-violet)}
.gallery-item:nth-child(3n) figcaption{border-color:var(--brand-red)}
.course-facts{background:linear-gradient(110deg,var(--brand-navy),#0e4d79);box-shadow:var(--shadow-soft)}
.course-fact{padding:24px;color:#fff}
.course-fact span{color:#91dedb}
.course-fact strong{color:#fff}
.lecture,.resource-row{padding:22px 18px;border-bottom:1px solid var(--soft-rule)}
.lecture:hover,.resource-row:hover{background:#f1f6f7}
.resource-kind,.lecture-number{color:var(--brand-red)}

/* Footer. */
.site-footer{position:relative;background:linear-gradient(135deg,#082638,#0b3858 70%,#0d4568)}
.site-footer::before{content:"";position:absolute;left:0;right:0;top:0;height:6px;background:linear-gradient(90deg,var(--brand-blue) 0 45%,var(--brand-red) 45% 54%,var(--brand-cyan) 54%)}
.footer-grid{padding-top:58px}
.footer-identity img{box-shadow:0 10px 28px rgba(0,0,0,.18)}
.footer-legal{background:#061d2b}

@media(max-width:1080px){
  .academic-hero-grid{grid-template-columns:minmax(0,1.2fr) minmax(330px,.8fr);gap:52px}
  .news-showcase{grid-template-columns:minmax(0,1.12fr) 360px}
  .direction-paper{grid-template-columns:240px minmax(0,1fr)}
  .gallery-item{grid-column:span 6}.gallery-item:nth-child(1),.gallery-item:nth-child(2),.gallery-item:nth-child(7),.gallery-item:nth-child(8){grid-column:span 6}
}

@media(max-width:900px){
  .academic-hero{padding:58px 0}
  .academic-hero-grid{grid-template-columns:1fr;gap:38px}
  .research-at-glance{max-width:720px}
  .news-showcase{grid-template-columns:1fr}
  .updates-panel{padding-bottom:22px}
  .research-focus-grid{grid-template-columns:1fr;gap:18px}
  .research-focus-item{display:block;padding:30px;box-shadow:0 12px 28px rgba(8,47,80,.065)}
  .research-focus-item>p{min-height:0}
  .method-pipeline{grid-template-columns:repeat(2,1fr);row-gap:28px}
  .method-pipeline::before{display:none}
  .page-hero-grid{grid-template-columns:1fr;gap:30px}
  .page-index{max-width:420px;min-height:115px}
  .direction-overview{grid-template-columns:1fr;padding:28px}
  .direction-workflow{grid-template-columns:repeat(2,1fr)}
  .direction-workflow article::after{display:none}
  .direction-paper{grid-template-columns:220px minmax(0,1fr)}
  .gallery-item{grid-column:span 6!important}
}

@media(max-width:680px){
  .display-title{font-size:36px}
  .page-title{font-size:34px}
  .section{padding:64px 0}
  .section-title{font-size:31px}
  .home-news-section::before,.research-focus-section::before,.method-section::before,.publication-home-section::before{font-size:64px;top:24px}
  .highlight-viewport,.highlight-slide img{min-height:330px}
  .updates-panel{padding-inline:18px}
  .research-focus-item{padding:28px 23px}
  .method-pipeline{grid-template-columns:1fr}
  .method-figures--home{grid-template-columns:1fr}
  .publication-stats{grid-template-columns:repeat(2,1fr)}
  .publication-stats>div:nth-child(2){border-right:0}
  .publication-stats>div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.16)}
  .people-hero-copy{padding-left:18px}
  .people-team-figure{padding-right:13px;padding-bottom:13px}
  .team-overview{grid-template-columns:repeat(2,1fr)}
  .team-overview div:nth-child(3)::before{display:none}
  .pi-section{padding:64px 0}
  .direction-question-grid{grid-template-columns:1fr}
  .direction-workflow{grid-template-columns:1fr}
  .direction-paper,.direction-publication-list.is-expanded .direction-paper--collapsed{grid-template-columns:1fr;padding:18px}
  .gallery-grid{grid-template-columns:1fr}.gallery-item{grid-column:1!important}
  .publication-tools{position:relative;top:auto}
}

@media(max-width:460px){
  .academic-hero::after{font-size:110px}
  .research-at-glance{padding:24px 20px}
  .highlight-slide figcaption{padding:20px}
  .highlight-slide figcaption strong{font-size:20px}
  .publication-stats dt{font-size:36px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}

/* Bilingual type calibration: Chinese headings are denser than Latin text and
   therefore use a slightly smaller maximum size to avoid single-character
   orphan lines in the home and People heroes. */
html[lang="zh-CN"] .display-title{
  font-size:clamp(36px,3.5vw,48px);
  line-height:1.13;
  letter-spacing:-.045em;
}
html[lang="zh-CN"] .page-title{
  font-size:clamp(35px,3.25vw,46px);
  line-height:1.16;
  letter-spacing:-.035em;
}
html[lang="zh-CN"] .section-title{letter-spacing:-.025em}
@media(max-width:680px){
  html[lang="zh-CN"] .display-title{font-size:34px;line-height:1.16}
  html[lang="zh-CN"] .page-title{font-size:33px;line-height:1.18}
}