:root {
  --ink:#172033;--ink-soft:#344054;--muted:#667085;--muted-light:#98a2b3;
  --line:#e3e9f0;--line-strong:#d5dee8;--paper:#fff;--surface:#fff;--surface-blue:#f1f6f9;
  --blue:#004668;--blue-hover:#075f88;--cyan:#1497a3;--gold:#c79b35;
  --shadow:0 18px 44px rgba(15,34,52,.1);--shadow-soft:0 8px 24px rgba(15,34,52,.065);
  --radius:8px;--radius-small:6px;--wide:1800px;--content:1500px;--narrow:1120px;
  --page-space:clamp(32px,5vw,96px);--text-xs:12px;--text-sm:13px;--text:14px;
  --text-lg:16px;--title-sm:18px;--title-md:22px;--title-lg:32px;--display:42px;
}
*{box-sizing:border-box}
html{overflow-x:clip;scroll-behavior:smooth}
body{margin:0;overflow-x:clip;color:var(--ink);background:var(--surface);font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;font-size:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
body.menu-locked{overflow:hidden}
#root{min-height:100vh;display:flex;flex-direction:column}
#root>main{flex:1 0 auto}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input{font:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(20,151,163,.28);outline-offset:3px}
.container{width:min(var(--content),calc(100% - var(--page-space)));margin-inline:auto}
.narrow{width:min(var(--narrow),calc(100% - var(--page-space)));margin-inline:auto}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid rgba(227,233,240,.96);box-shadow:0 7px 22px rgba(15,34,52,.045);backdrop-filter:blur(12px)}
.site-header::after{content:"";position:absolute;right:0;bottom:-1px;left:0;height:2px;background:linear-gradient(90deg,var(--blue),var(--cyan),var(--gold));opacity:.7}
.header-inner{width:min(var(--wide),calc(100% - var(--page-space)));min-height:68px;margin-inline:auto;display:flex;align-items:center;gap:clamp(24px,3vw,58px)}
.brand{flex:0 0 auto;min-width:0;display:flex;align-items:center;gap:12px}
.brand-logo{width:52px;height:52px;flex:0 0 auto;object-fit:contain;filter:drop-shadow(0 6px 12px rgba(0,70,104,.1))}
.brand>span{min-width:0}
.brand-cn,.brand-en,.nav-cn,.nav-en{display:block}
.brand-cn{color:var(--blue);font-size:19px;line-height:24px;font-weight:800;white-space:nowrap}
.brand-en{margin-top:1px;color:#344054;font-size:11px;line-height:15px;font-weight:700;white-space:nowrap}
.nav-zone{flex:1 1 auto;min-width:0;display:grid;grid-template-columns:minmax(180px,1fr) auto;gap:clamp(22px,2.4vw,46px);align-items:center}
.drawer-head,.drawer-close,.nav-backdrop,.menu-toggle{display:none}
.search-box{justify-self:center;width:min(100%,320px);height:34px;display:flex;align-items:center;border-bottom:1px solid #cfd8e3;background:transparent;transition:border-color .2s ease}
.search-box:focus-within{border-bottom-color:var(--blue)}
.search-box input{flex:1 1 auto;min-width:0;padding:0 6px;border:0;outline:0;color:var(--ink);background:transparent;font-size:var(--text-sm)}
.search-box input::placeholder{color:var(--muted-light)}
.icon-button{width:28px;height:28px;flex:0 0 auto;display:grid;place-items:center;padding:0;border:0;color:var(--blue);background:transparent;cursor:pointer}
.icon-button svg{width:17px;height:17px;stroke:currentColor}
.main-nav{min-width:0;display:flex;align-items:center;justify-content:flex-end;gap:clamp(6px,.55vw,12px);white-space:nowrap}
.nav-link{min-width:74px;padding:6px 10px;border-radius:var(--radius-small);color:#29384d;text-align:center;transition:color .2s ease,background .2s ease,box-shadow .2s ease}
.nav-link:hover,.nav-link.active{color:#fff;background:var(--blue);box-shadow:0 7px 16px rgba(0,70,104,.14)}
.nav-cn{font-size:var(--text);line-height:19px;font-weight:800}
.nav-en{font-size:11px;line-height:15px;opacity:.78}

/* Shared headings */
.page-title{width:100%;padding:27px 0 23px;border-bottom:1px solid #e5edf2;background:linear-gradient(115deg,#eef4f7 0%,#f7f9fb 62%,#f5f0e4 100%)}
.page-title-inner{position:relative;width:min(var(--content),calc(100% - var(--page-space)));margin-inline:auto;padding-left:16px;text-align:left}
.page-title h1{margin:0;color:var(--ink);font-size:28px;line-height:1.35;font-weight:800;overflow-wrap:anywhere}
.page-title p{margin:0 0 3px;color:var(--blue-hover);font-size:12px;line-height:18px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}
.page-title-inner::before{content:"";position:absolute;top:3px;bottom:3px;left:0;width:3px;border-radius:99px;background:linear-gradient(180deg,var(--blue),var(--gold))}

/* Homepage */
.home-hero{position:relative;min-height:520px;display:flex;align-items:center;overflow:hidden;background:var(--blue) center/cover no-repeat}
.home-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,40,67,.88),rgba(0,68,107,.42) 52%,rgba(0,0,0,.1)),linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,36,61,.3))}
.hero-ribbon,.hero-caption{z-index:1;width:min(var(--wide),calc(100% - var(--page-space)));margin-inline:auto;color:#fff}
.hero-ribbon{transform:translateY(-32px)}
.hero-ribbon h1{width:min(760px,100%);margin:0;font-size:var(--display);line-height:1.3;font-weight:800}
.hero-caption{position:absolute;right:0;bottom:42px;left:0}
.hero-caption strong{display:block;font-size:var(--title-sm);line-height:25px;font-weight:800}
.hero-caption span{display:block;width:min(720px,100%);margin-top:6px;color:rgba(255,255,255,.84);font-size:var(--text);line-height:25px}
.stats-band{padding:16px 0 18px;background:#fff}
.stats-grid.container,.home-columns.container,.showcase-layout.container,.intro-layout.container,.about-overview.container,.about-stats.container{width:min(var(--wide),calc(100% - var(--page-space)));max-width:var(--wide)}
.stats-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.stat-item{position:relative;min-height:98px;display:block;padding:18px 20px;border:0;border-radius:10px;background:var(--surface-blue);transition:transform .18s ease,background .18s ease,box-shadow .18s ease}
.stat-item:hover,.stat-item:focus-visible{background:#eaf3f6;box-shadow:var(--shadow-soft);transform:translateY(-2px)}
.stat-item strong{display:block;color:var(--blue);font-size:25px;line-height:31px;font-weight:800}
.stat-item span{display:block;margin-top:3px;font-size:var(--text);line-height:21px;font-weight:800}
.stat-item small{display:block;margin-top:1px;color:var(--muted-light);font-size:11px;line-height:17px;text-transform:uppercase}
.home-columns{display:grid;grid-template-columns:minmax(0,1fr);gap:38px;padding:48px 0 0}
.home-columns>div{min-width:0}
.home-columns .research-list,.home-columns .news-list,.home-columns .pub-list{grid-template-columns:repeat(3,minmax(0,1fr));align-items:start}
.home-about-card{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(320px,.9fr);align-items:center;gap:28px;padding:22px;border:1px solid var(--line);border-radius:10px;background:var(--surface-blue);box-shadow:var(--shadow-soft)}
.home-about-copy h3{margin:0 0 10px;color:var(--blue);font-size:20px;line-height:29px;font-weight:800}
.home-about-copy p{margin:0;color:var(--ink-soft);font-size:var(--text);line-height:26px}
.home-about-copy p+p{margin-top:8px}
.home-about-image{height:auto;aspect-ratio:1913/816;overflow:hidden;border-radius:7px;background:#fff}
.home-about-image img{width:100%;height:100%;object-fit:contain}
.block-head,.showcase-head{display:flex;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:18px}
.block-head h2,.showcase-head h2{margin:0;font-size:var(--title-md);line-height:30px;font-weight:800}
.block-head h2 span,.showcase-head h2 span{margin-left:6px;color:var(--muted-light);font-size:var(--text-xs);font-weight:500;text-transform:uppercase}
.read-more{color:var(--blue-hover);font-size:var(--text-xs);font-weight:800;white-space:nowrap}
.research-list,.news-list,.pub-list,.article-list{display:grid;gap:12px}
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:28px;margin-bottom:48px}
.research-mini,.news-item,.pub-item,.showcase-card,.member-card,.result-card,.point,.article-line,.news-card,.research-card,.detail-shell,.contact-card,.narrow.text-page,.about-stat{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);box-shadow:var(--shadow-soft)}
.news-item,.pub-item{display:block;min-width:0;min-height:94px;padding:14px 16px;border-left:3px solid transparent;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-item:hover,.pub-item:hover,.research-mini:hover,.showcase-card:hover,.member-card:hover,.news-card:hover,.result-card:hover,.point:hover,.about-stat:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
.news-item:hover{border-left-color:var(--cyan)}
.pub-item{border-left-color:var(--gold)}
.research-mini h3,.news-item h3,.pub-item h3,.showcase-card h3,.result-card h3,.article-line h3{margin:0;color:var(--ink);font-size:var(--text-lg);line-height:24px;font-weight:800;overflow-wrap:anywhere}
.research-mini p,.news-item p,.pub-item p,.showcase-card p,.point p,.article-line p{margin:5px 0 0;color:var(--muted);font-size:var(--text-sm);line-height:22px;overflow-wrap:anywhere}
.home-list-card h3{overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.home-list-card p{display:-webkit-box;min-height:0;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.home-list-card{min-height:0;border:0;border-left:0;border-radius:10px;background:var(--surface-blue);box-shadow:none}
.home-list-card:hover,.home-list-card:focus-visible{border-left-color:transparent;background:#eaf3f6;box-shadow:var(--shadow-soft)}
.research-mini{display:grid;grid-template-columns:130px 1fr;gap:14px;min-height:112px;padding:12px}
.research-mini-img{height:86px;overflow:hidden;border-radius:var(--radius-small);background:var(--surface-blue)}
.research-mini-img img{width:100%;height:100%;object-fit:cover}
.pub-item .journal{display:block;margin-top:8px;color:var(--muted);font-size:var(--text-xs);line-height:18px}
.showcase-band{padding:48px 0 0;background:#fff}
.showcase-grid,.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.showcase-card,.result-card{min-width:0;padding:18px;transition:transform .18s ease,box-shadow .18s ease}
.showcase-card img,.result-image{width:100%;height:190px;margin-bottom:14px;overflow:hidden;border-radius:var(--radius-small);object-fit:cover;background:var(--surface-blue)}
.result-image img{width:100%;height:100%;object-fit:cover}
.result-card time{display:block;margin-top:14px;color:var(--blue-hover);font-size:var(--text-sm);font-weight:800}
.publication-result-card{display:block}
.publication-authors{color:var(--ink-soft)}
.publication-authors .team-author{color:var(--blue);font-weight:900}
.publication-meta{color:var(--muted-light)}
.publication-result-card .publication-meta{margin-top:6px}
.doi-link{display:block;margin-top:8px;color:var(--blue-hover);font-size:11px;line-height:18px;font-weight:800;overflow-wrap:anywhere}
.intro-band{padding:48px 0 58px;background:#fff}
.intro-layout,.about-overview,.contact-grid,.research-hero{display:grid;align-items:center}
.intro-layout{grid-template-columns:1fr .9fr;gap:44px}
.intro-text h2{margin:0 0 14px;color:var(--blue);font-size:26px;line-height:36px;font-weight:800}
.intro-text p{margin:0 0 10px;color:var(--ink-soft);font-size:var(--text);line-height:26px}
.intro-image,.about-image,.map-panel,.research-visual,.result-image{overflow:hidden;border-radius:var(--radius);background:var(--surface-blue);box-shadow:var(--shadow-soft)}
.intro-image{min-height:310px}
.intro-image img,.about-image img,.map-panel img,.research-visual img{width:100%;height:100%;object-fit:cover}

/* Vertical content sections */
.content-stack{margin-top:30px;margin-bottom:54px}
.content-section{scroll-margin-top:90px}
.content-section+.content-section{margin-top:56px;padding-top:48px;border-top:1px solid var(--line-strong)}
.content-heading{display:flex;align-items:baseline;gap:10px;margin:0 0 20px}
.content-heading h2{margin:0;color:var(--ink);font-size:22px;line-height:30px;font-weight:800}
.content-heading span{color:var(--muted-light);font-size:12px;line-height:18px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}
.page-title+.leader-panel,.page-title+.text-page{margin-top:28px}

/* Team */
.leader-panel{position:relative;width:min(var(--content),calc(100% - var(--page-space)));margin:0 auto 38px;padding:32px;overflow:hidden;border-radius:var(--radius);background:var(--blue) center/cover no-repeat;box-shadow:var(--shadow-soft)}
.leader-panel::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.97),rgba(255,255,255,.9) 62%,rgba(255,255,255,.68))}
.leader-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr 220px;gap:38px;align-items:center}
.leader-name{color:var(--blue);font-size:28px;line-height:38px;font-weight:800}
.blue-rule{width:min(460px,100%);height:3px;margin:18px 0 20px;background:linear-gradient(90deg,var(--blue) 0 34%,var(--gold) 34% 46%,rgba(0,70,104,.16) 46%)}
.leader-facts{display:grid;gap:12px}
.fact{display:grid;grid-template-columns:36px 1fr;gap:11px;align-items:start;color:var(--ink-soft);font-size:var(--text);line-height:25px}
.fact-icon{width:36px;height:36px;display:grid;place-items:center;border-radius:50%;color:#fff;background:var(--blue)}
.fact-icon svg{width:18px;height:18px;fill:none;stroke:currentColor}
.leader-photo{display:block;padding:9px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft)}
.leader-photo img,.detail-photo img,.member-photo img{width:100%;height:100%;object-fit:contain;object-position:center top;background:#fff}
.leader-photo img{aspect-ratio:5/7}
.team-container section{scroll-margin-top:90px}
.category-title{display:flex;align-items:center;gap:9px;margin:36px 0 18px}
.diamond{width:10px;height:10px;flex:0 0 auto;background:var(--gold);transform:rotate(45deg)}
.category-title .cn{font-size:var(--title-md);line-height:30px;font-weight:800}
.category-title .en{color:var(--muted-light);font-size:var(--text-sm);line-height:20px}
.member-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));gap:20px}
.member-card{min-width:0;padding:14px;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.member-card:hover{border-color:#bfd0dc}
.member-photo{display:block;width:100%;aspect-ratio:5/7;padding:7px;overflow:hidden;border:1px solid var(--line-strong);border-radius:4px;background:#fff}
.member-info{display:block;min-width:0;padding:13px 1px 1px}
.member-info h3{margin:0 0 5px;font-size:var(--text-lg);line-height:24px;font-weight:800}
.member-info .role{display:-webkit-box;min-height:21px;overflow:hidden;color:var(--ink-soft);font-size:var(--text-sm);line-height:21px;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.member-info p{display:-webkit-box;margin:7px 0 0;overflow:hidden;color:var(--muted);font-size:var(--text-xs);line-height:19px;-webkit-box-orient:vertical;-webkit-line-clamp:2}
.member-info .member-destination{margin-top:3px;color:var(--blue-hover)}

/* Detail pages */
.detail-nav{margin-top:30px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:16px;color:var(--muted);font-size:var(--text-sm)}
.detail-nav a{color:var(--blue-hover);font-weight:800}
.detail-shell{display:grid;grid-template-columns:230px minmax(0,1fr);column-gap:40px;align-items:start;margin-bottom:48px;padding:24px}
.detail-photo{grid-column:1;grid-row:1 / span 2;position:sticky;top:94px;padding:12px;border:1px solid var(--line);border-radius:var(--radius);background:#fff}
.detail-photo img{aspect-ratio:5/7}
.detail-summary{grid-column:2;min-width:0}
.detail-content{grid-column:2;min-width:0}
.detail-name{margin:0;color:var(--blue);font-size:28px;line-height:38px;font-weight:800}
.detail-role{margin:2px 0 14px;color:var(--muted);font-size:var(--text-lg);line-height:25px}
.detail-meta{display:grid;gap:5px;margin-bottom:22px;padding:14px 16px;border:1px solid #e4ebf1;border-radius:var(--radius-small);color:#42516a;background:var(--surface-blue);font-size:var(--text);line-height:23px}
.section-block{margin:24px 0}
.section-block h2,.text-page h2,.contact-card h2{margin:0 0 11px;color:var(--blue);font-size:var(--title-md);line-height:30px;font-weight:800}
.section-block h2{padding-left:10px;border-left:3px solid var(--gold)}
.section-block p,.section-block li{color:var(--ink-soft);font-size:var(--text);line-height:26px}
.section-block ul,.section-block ol{margin:0;padding-left:20px}
.clean-list{counter-reset:clean-list;display:grid;gap:8px;margin:0;padding:0;list-style:none}
.clean-list li{position:relative;min-height:26px;padding-left:38px}
.clean-list li::before{counter-increment:clean-list;content:"[" counter(clean-list) "]";position:absolute;top:2px;left:0;width:30px;color:var(--blue);font-size:12px;line-height:22px;font-weight:800}
.join-intro,.support-card,.admission-card{border:1px solid var(--line);border-radius:var(--radius);background:#fff;box-shadow:var(--shadow-soft)}
.join-intro{margin-bottom:20px;padding:25px 28px;border-left:4px solid var(--blue)}
.section-eyebrow{display:block;margin-bottom:4px;color:var(--blue-hover);font-size:12px;line-height:18px;font-weight:800;letter-spacing:.08em}
.join-intro h2,.support-card h2,.admission-card h2{margin:0;color:var(--blue);font-size:20px;line-height:29px;font-weight:800}
.join-intro p,.support-card p{max-width:1080px;margin:8px 0 0;color:var(--ink-soft);font-size:14px;line-height:26px}
.admission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:48px}
.admission-card{padding:20px}
.admission-card h2{margin-bottom:14px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.support-card{margin-bottom:48px;padding:22px 26px}
.join-section .admission-grid,.join-section .support-card{margin-bottom:0}

/* Research and publications */
.research-hero{grid-template-columns:.9fr 1.1fr;gap:28px;align-items:stretch;margin-bottom:42px}
.research-card{display:flex;flex-direction:column;justify-content:center;padding:26px}
.research-card h2{margin:0 0 12px;color:var(--blue);font-size:24px;line-height:33px;font-weight:800}
.research-card p{margin:0;color:var(--ink-soft);font-size:var(--text);line-height:27px}
.keyword-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.keyword{padding:5px 10px;border:1px solid #cfe0ed;border-radius:99px;color:var(--blue);background:#f4f9fd;font-size:var(--text-xs);font-weight:800}
.research-visual,.research-visual img{min-height:340px}
.point-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:54px}
.point{min-height:150px;padding:18px;border-top:3px solid var(--cyan);transition:transform .18s ease,box-shadow .18s ease}
.point h3{margin:0 0 6px;color:var(--blue);font-size:var(--title-sm);line-height:25px;font-weight:800}
.research-section .point-grid{margin-bottom:0}
.card-grid{margin-bottom:34px}
.publication-year{margin-bottom:24px}
.publication-year:last-child{margin-bottom:0}
.publication-stack .narrow,.about-stack .narrow{width:100%;max-width:none}
.year-title{margin:0 0 14px;color:var(--blue);font-size:var(--title-md);line-height:30px;font-weight:800}
.article-line{display:grid;grid-template-columns:100px 1fr;gap:18px;min-width:0;padding:15px 18px}
.article-line>span{min-width:0}
.article-line time{color:var(--blue-hover);font-size:var(--text-sm);line-height:23px;font-weight:800;overflow-wrap:anywhere}
.publication-entry{transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}
.publication-entry:hover,.publication-entry:focus-visible{border-color:#bfd0dc;box-shadow:var(--shadow);transform:translateY(-2px)}

/* Text, about and news */
.text-page{color:var(--ink-soft);font-size:var(--text);line-height:27px}
.narrow.text-page{margin-bottom:46px;padding:26px 30px}
.news-detail{width:min(var(--content),calc(100% - var(--page-space)));max-width:var(--content)}
.text-page p{margin:0 0 13px}
.text-page h2{margin-top:26px}
.about-overview{grid-template-columns:.9fr 1.1fr;gap:32px;margin-bottom:28px}
.about-overview .text-page{padding:26px;border-left:3px solid var(--gold);background:#fff;box-shadow:var(--shadow-soft)}
.about-image{max-height:430px;background:#fff}
.about-image img{max-height:430px;object-fit:contain;background:#fff}
.about-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:26px}
.about-stat{padding:18px;transition:transform .18s ease,box-shadow .18s ease}
.about-stat strong{display:block;color:var(--blue);font-size:24px;line-height:31px;font-weight:800}
.about-stat span{color:var(--muted);font-size:var(--text-sm)}
.contact-grid{grid-template-columns:.92fr 1.08fr;gap:28px;align-items:stretch}
.contact-card{padding:26px}
.map-panel{min-height:360px}
.news-card{display:grid;grid-template-columns:72px 1fr;gap:17px;min-width:0;min-height:138px;align-items:center;padding:20px;border-top:3px solid transparent;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.news-card>span{min-width:0}
.news-card:hover{border-color:#bfd0dc;border-top-color:var(--cyan)}
.date-box{width:72px;height:72px;display:grid;place-items:center;border-radius:var(--radius-small);color:#fff;background:linear-gradient(135deg,var(--blue),var(--blue-hover))}
.date-box strong{display:block;font-size:24px;line-height:28px}
.date-box span{display:block;font-size:11px;line-height:16px;text-align:center}
.news-card h2{margin:0 0 5px;font-size:var(--text-lg);line-height:25px;font-weight:800;overflow-wrap:anywhere}
.news-card p{margin:0;color:var(--muted);font-size:var(--text-sm);line-height:22px;overflow-wrap:anywhere}
.search-card{position:relative;display:block;min-height:0;padding:20px 104px 20px 20px;border-top-width:1px}
.search-card:hover{border-color:#bfd0dc}
.search-card-content{display:block;min-width:0}
.search-type{position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;min-height:26px;padding:3px 9px;border-radius:99px;color:var(--blue);background:var(--surface-blue);font-size:12px;line-height:18px;font-weight:800;white-space:nowrap}
.search-external{position:absolute;right:16px;bottom:14px;color:var(--blue-hover);font-size:11px;line-height:18px;font-weight:800}
.empty{padding:34px;border:1px dashed #cbd5e1;border-radius:var(--radius);color:var(--muted);background:#fff;text-align:center}

/* Footer */
.site-footer{margin-top:54px;color:#fff;background:linear-gradient(135deg,#003550,#004f72)}
.page-home+.site-footer{margin-top:24px}
.footer-inner{width:min(var(--wide),calc(100% - var(--page-space)));margin-inline:auto;display:flex;flex-direction:column;align-items:center;gap:8px;padding:30px 0;text-align:center}
.footer-brand{min-width:0;display:flex;align-items:center;justify-content:center;gap:10px}
.footer-logo-mark{width:52px;height:52px;flex:0 0 auto;display:grid;place-items:center;padding:0;overflow:hidden;border-radius:50%;background:#fff}
.footer-logo-mark img{width:100%;height:100%;object-fit:contain}
.footer-brand-text{min-width:0;display:block}
.footer-brand strong{font-size:var(--text-lg);line-height:23px;font-weight:800}
.footer-info{display:grid;justify-items:center;gap:2px;color:rgba(255,255,255,.88);font-size:var(--text-xs);line-height:19px;text-align:center}
.footer-team-name{font-weight:700}
.copyright{color:rgba(255,255,255,.62);font-size:11px;line-height:18px;text-align:center;white-space:normal}
.back-to-top{position:fixed;right:18px;bottom:18px;z-index:15;width:40px;height:40px;border-radius:50%;background:var(--blue);box-shadow:var(--shadow-soft)}
.back-to-top::before{content:"";position:absolute;top:15px;left:14px;width:10px;height:10px;border-top:2px solid #fff;border-left:2px solid #fff;transform:rotate(45deg)}
.not-found{padding:120px 24px;text-align:center}
.not-found h1{margin:0 0 12px;color:var(--blue);font-size:var(--title-lg)}

/* Compact desktop */
@media (max-width:1499px){
  :root{--page-space:clamp(32px,4.5vw,72px)}
  .header-inner{gap:22px}
  .brand-logo{width:48px;height:48px}
  .brand-cn{font-size:17px;line-height:22px}
  .brand-en{font-size:10px;line-height:14px}
  .nav-zone{grid-template-columns:minmax(150px,1fr) auto;gap:18px}
  .search-box{width:min(100%,240px)}
  .nav-link{min-width:62px;padding-inline:5px}
  .nav-cn{font-size:var(--text-sm)}
  .nav-en{font-size:10px}
}

/* Tablet navigation and drawer */
@media (max-width:1199px){
  .site-header{backdrop-filter:none}
  .header-inner{min-height:62px;justify-content:space-between}
  .brand-logo{width:46px;height:46px}
  .brand-cn{font-size:16px;line-height:21px}
  .brand-en{display:none}
  .menu-toggle{width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;padding:0;border:0;border-radius:50%;color:var(--blue);background:transparent;cursor:pointer;transition:color .2s ease,background .2s ease}
  .menu-toggle:hover{color:var(--blue-hover);background:var(--surface-blue)}
  .menu-toggle svg{width:26px;height:26px;stroke:currentColor}
  .nav-zone{position:fixed;top:0;right:0;bottom:0;z-index:60;width:min(84vw,320px);display:flex;flex-direction:column;align-items:stretch;gap:14px;padding:18px 16px;overflow-y:auto;background:#fff;box-shadow:-18px 0 48px rgba(15,34,52,.16);transform:translateX(105%);visibility:hidden;transition:transform .24s ease,visibility .24s ease}
  .site-header.menu-open .nav-zone{transform:translateX(0);visibility:visible}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;min-height:38px;color:var(--blue)}
  .drawer-head strong{font-size:15px;line-height:22px}
  .drawer-close{width:34px;height:34px;display:grid;place-items:center;padding:0;border:0;border-radius:50%;color:var(--ink-soft);background:transparent;cursor:pointer}
  .drawer-close:hover{color:var(--blue);background:var(--surface-blue)}
  .drawer-close svg{width:22px;height:22px;stroke:currentColor}
  .nav-backdrop{position:fixed;inset:0;z-index:55;display:block;border:0;background:rgba(15,23,42,.44);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .24s ease,visibility .24s ease}
  .site-header.menu-open .nav-backdrop{opacity:1;visibility:visible;pointer-events:auto}
  .nav-zone .search-box{width:100%;height:38px;flex:0 0 auto}
  .main-nav{width:100%;display:grid;grid-template-columns:minmax(0,1fr);justify-content:stretch;align-items:stretch;gap:0;padding-top:6px;border-top:1px solid var(--line);white-space:normal}
  .nav-link{width:100%;min-width:0;display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;padding:11px 8px 11px 12px;border-left:2px solid transparent;border-radius:0;color:var(--ink-soft);text-align:left;box-shadow:none}
  .nav-link:hover,.nav-link.active{border-left-color:var(--cyan);color:var(--blue);background:var(--surface-blue);box-shadow:none}
  .nav-cn{font-size:14px}
  .nav-en{font-size:var(--text-xs)}
  .footer-inner{grid-template-columns:240px 1fr;padding:24px 0}
  .copyright{grid-column:1/-1;text-align:left}
}

/* Tablet content */
@media (max-width:959px){
  .home-columns,.intro-layout,.research-hero,.about-overview,.contact-grid{grid-template-columns:1fr}
  .home-columns .research-list,.home-columns .news-list,.home-columns .pub-list{grid-template-columns:1fr}
  .home-about-card{grid-template-columns:1fr}
  .showcase-grid,.card-grid,.about-stats,.point-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .admission-grid{grid-template-columns:1fr}
  .intro-image{min-height:280px}
  .research-visual,.research-visual img{min-height:300px}
  .footer-inner{grid-template-columns:1fr;gap:14px}
  .copyright{grid-column:auto}
}

/* Dedicated phone layout */
@media (max-width:767px){
  :root{--page-space:28px;--title-lg:22px;--title-md:18px;--title-sm:16px;--display:26px}
  body{font-size:14px;line-height:1.68}
  .header-inner{position:relative;min-height:56px}
  .brand{gap:8px}
  .brand-logo{width:40px;height:40px}
  .brand>span{position:absolute;left:50%;width:max-content;max-width:calc(100% - 112px);transform:translateX(-50%)}
  .brand-cn{font-size:clamp(12px,3.55vw,14px);line-height:19px;letter-spacing:-.35px;text-align:center}
  .page-title{padding:18px 0 16px}
  .page-title-inner{width:calc(100% - 28px);padding-left:12px}
  .page-title h1{font-size:20px;line-height:1.35}
  .page-title p{margin:0 0 2px;font-size:12px;line-height:17px}
  .page-title-inner::before{top:2px;bottom:2px;width:2px}
  .home-hero{min-height:350px;display:block;background-position:62% center}
  .home-hero::after{background:linear-gradient(180deg,rgba(0,42,70,.2),rgba(0,46,76,.85)),linear-gradient(90deg,rgba(0,38,64,.48),rgba(0,0,0,.04))}
  .hero-ribbon,.hero-caption{width:calc(100% - 28px)}
  .hero-ribbon{position:absolute;right:0;bottom:122px;left:0;transform:none}
  .hero-ribbon h1{width:100%;max-width:none;font-size:clamp(18px,5.4vw,21px);line-height:1.3;letter-spacing:-.7px;white-space:nowrap}
  .hero-caption{bottom:20px}
  .hero-caption strong{font-size:16px;line-height:23px}
  .hero-caption span{margin-top:4px;font-size:14px;line-height:23px}
  .stats-band{padding:14px 0 16px;border-bottom:0;background:#fff}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;padding:0}
  .stat-item{min-height:86px;padding:13px 14px;border:0;border-radius:10px;background:var(--surface-blue)}
  .stat-item:nth-child(even){border-right:0}
  .stat-item:last-child{border-right:0}
  .stat-item:last-child:nth-child(odd){min-height:86px;grid-column:1/-1;display:block;padding:13px 14px}
  .stat-item strong{font-size:22px;line-height:28px}
  .stat-item span{font-size:13px;line-height:19px}
  .stat-item small{font-size:12px;line-height:16px}
  .home-columns{grid-template-columns:1fr;gap:24px;padding:26px 0 0}
  .home-about-card{gap:14px;padding:14px}
  .home-about-copy h3{margin-bottom:7px;font-size:17px;line-height:25px}
  .home-about-copy p{font-size:13px;line-height:22px}
  .home-about-copy p+p{margin-top:5px}
  .home-about-image{height:auto}
  .block-head,.showcase-head{margin-bottom:12px}
  .block-head h2,.showcase-head h2{font-size:18px;line-height:25px}
  .block-head h2 span,.showcase-head h2 span,.read-more{font-size:12px}
  .research-list .home-list-card:nth-child(n+3),.news-list .home-list-card:nth-child(n+3),.pub-list .home-list-card:nth-child(n+3){display:none}
  .news-item,.pub-item{min-height:0;padding:12px 13px}
  .research-mini h3,.news-item h3,.pub-item h3,.showcase-card h3,.result-card h3,.article-line h3{font-size:15px;line-height:23px}
  .research-mini p,.news-item p,.pub-item p,.showcase-card p,.point p,.article-line p{font-size:13px;line-height:21px}
  .home-list-card p{min-height:0}
  .research-list,.news-list,.pub-list,.article-list{gap:10px}
  .showcase-band{padding:24px 0 0}
  .intro-band{padding:24px 0 30px}
  .showcase-grid,.card-grid,.about-stats,.point-grid{grid-template-columns:1fr;gap:12px}
  .showcase-card,.result-card{padding:13px}
  .showcase-card img,.result-image{height:168px;margin-bottom:11px}
  .card-grid .result-card:nth-child(n+2){display:none}
  .intro-layout{gap:22px}
  .intro-text h2{margin-bottom:9px;font-size:20px;line-height:29px}
  .intro-text p{font-size:14px;line-height:25px}
  .intro-image{min-height:210px}
  .content-stack{margin-top:16px;margin-bottom:28px}
  .content-section+.content-section{margin-top:28px;padding-top:24px}
  .content-heading{gap:7px;margin-bottom:14px}
  .content-heading h2{font-size:18px;line-height:25px}
  .content-heading span{font-size:12px;line-height:17px}
  .page-title+.leader-panel,.page-title+.text-page{margin-top:18px}
  .leader-panel{width:calc(100% - 28px);margin-bottom:22px;padding:14px}
  .leader-panel::before{background:rgba(255,255,255,.91)}
  .leader-inner{grid-template-columns:88px minmax(0,1fr);gap:13px;align-items:start}
  .leader-inner>div:first-child{grid-column:2;grid-row:1;min-width:0}
  .leader-photo{grid-column:1;grid-row:1;width:88px;padding:5px}
  .leader-name{font-size:18px;line-height:25px}
  .blue-rule{height:2px;margin:9px 0 10px}
  .leader-facts{gap:5px}
  .fact{display:block;font-size:13px;line-height:20px}
  .fact-icon{display:none}
  .category-title{margin:22px 0 10px}
  .category-title .cn{font-size:18px;line-height:25px}
  .category-title .en{font-size:12px}
  .member-grid{grid-template-columns:1fr;gap:10px}
  .member-card{display:grid;grid-template-columns:84px minmax(0,1fr);gap:12px;align-items:start;padding:10px}
  .member-photo{width:84px;aspect-ratio:5/7;padding:4px}
  .member-info{padding:2px 0 0}
  .member-info h3{margin-bottom:3px;font-size:15px;line-height:22px}
  .member-info .role{font-size:13px;line-height:20px}
  .member-info p{margin-top:5px;font-size:12px;line-height:19px}
  .detail-nav{margin-top:18px;margin-bottom:10px;font-size:12px}
  .detail-nav span{display:none}
  .detail-shell{grid-template-columns:92px minmax(0,1fr);column-gap:14px;row-gap:14px;margin-bottom:24px;padding:14px}
  .detail-photo{grid-column:1;grid-row:1;position:static;width:92px;margin:0;padding:5px}
  .detail-summary{grid-column:2;align-self:center}
  .detail-content{grid-column:1 / -1}
  .detail-name{font-size:22px;line-height:29px}
  .detail-role{margin-bottom:8px;font-size:12px;line-height:19px}
  .detail-meta{gap:3px;margin-bottom:0;padding:9px 10px;font-size:12px;line-height:19px}
  .section-block{margin:16px 0}
  .section-block h2,.text-page h2,.contact-card h2{margin-bottom:8px;font-size:18px;line-height:26px}
  .section-block p,.section-block li,.text-page{font-size:14px;line-height:25px}
  .research-hero{gap:14px;margin-bottom:22px}
  .research-card,.contact-card,.narrow.text-page,.about-overview .text-page{padding:16px}
  .research-card h2{font-size:19px;line-height:28px}
  .research-card p{font-size:14px;line-height:25px}
  .research-visual,.research-visual img{min-height:220px}
  .point-grid{margin-bottom:28px}
  .point{min-height:0;padding:14px}
  .point h3{font-size:16px;line-height:23px}
  .publication-year{margin-bottom:18px}
  .year-title{margin-bottom:10px;font-size:18px;line-height:25px}
  .article-line{grid-template-columns:1fr;gap:4px;padding:12px}
  .article-line time{font-size:12px;line-height:18px}
  .narrow.text-page{margin-bottom:24px}
  .about-overview{gap:16px;margin-bottom:20px}
  .about-image,.about-image img{max-height:260px}
  .about-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .about-stat{padding:13px}
  .about-stat strong{font-size:21px;line-height:28px}
  .contact-grid{gap:14px}
  .map-panel{min-height:240px}
  .news-grid{grid-template-columns:1fr;gap:10px;margin-top:16px;margin-bottom:24px}
  .news-card{grid-template-columns:64px minmax(0,1fr);gap:12px;min-height:0;padding:12px}
  .date-box{width:64px;height:64px}
  .date-box strong{font-size:21px;line-height:26px}
  .date-box span{font-size:12px;line-height:16px}
  .news-card h2{margin-bottom:3px;font-size:15px;line-height:23px}
  .news-card p{font-size:13px;line-height:21px}
  .search-card{display:block;padding:14px 80px 14px 14px}
  .search-type{top:12px;right:12px;min-height:24px;padding:2px 8px;font-size:11px;line-height:18px}
  .join-intro{margin-bottom:12px;padding:16px;border-left-width:3px}
  .join-intro h2,.support-card h2,.admission-card h2{font-size:18px;line-height:26px}
  .join-intro p,.support-card p{font-size:14px;line-height:25px}
  .admission-grid{gap:10px;margin-bottom:24px}
  .admission-card{padding:15px}
  .admission-card h2{margin-bottom:10px;padding-bottom:8px}
  .support-card{margin-bottom:24px;padding:16px}
  .site-footer{margin-top:30px}
  .page-home+.site-footer{margin-top:18px}
  .footer-inner{width:calc(100% - 28px);gap:7px;padding:22px 0}
  .footer-logo-mark{width:46px;height:46px}
  .footer-brand strong{font-size:15px;line-height:21px}
  .footer-info,.copyright{font-size:12px;line-height:19px;white-space:normal}
  .back-to-top{right:14px;bottom:14px;width:38px;height:38px}
  .back-to-top::before{top:14px;left:13px}
}

@media (max-width:360px){
  .brand-logo{width:36px;height:36px}
  .brand-cn{font-size:13px;line-height:18px}
  .menu-toggle{width:36px;height:36px}
  .stats-grid{gap:8px}
  .stat-item{padding-inline:12px}
  .leader-inner{grid-template-columns:78px minmax(0,1fr)}
  .leader-photo{width:78px}
  .member-card{grid-template-columns:78px minmax(0,1fr);gap:10px}
  .member-photo{width:78px}
  .news-card{grid-template-columns:58px minmax(0,1fr);gap:10px}
  .date-box{width:58px;height:58px}
}

.team-container>section{scroll-margin-top:88px}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}