:root{
  --text:#1a1a1a;
  --muted:#666;
  --line:#eee;
  --bg:#fff;
  --link:#1f6feb;
  --card:#fafafa;
}

*{box-sizing:border-box;}
body{
  margin:0;
  font-family: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  background:var(--bg);
}

.topbar{
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.95);
  border-bottom:1px solid var(--line);
  z-index: 10;
}
.nav{
  max-width: 1200px;
  margin:0 auto;
  padding:10px 16px;
  display:flex;
  gap:18px;
  flex-wrap:wrap;
}
.nav-link{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
}
.nav-link:hover{color:var(--text);}

.container{
  max-width: 1200px;
  margin: 0 auto;
  padding: 18px 16px;
  display:grid;
  grid-template-columns: 260px 1fr;
  gap: 24px;
}

.sidebar{
  border-right:1px solid var(--line);
  padding-right: 18px;
}

.profile .avatar{
  width: 110px;
  height: 110px;
  border-radius: 50%;
  object-fit: cover;
  border:1px solid var(--line);
}
.profile .name{
  margin-top: 10px;
  font-weight: 700;
  font-size: 18px;
}
.name-cn{font-weight:500; color:var(--muted); font-size: 14px;}
.role{margin-top:6px; color:var(--muted); font-size:14px;}
.org{margin-top:4px; color:var(--muted); font-size:14px;}

.meta{margin-top:12px; padding-top:12px; border-top:1px solid var(--line);}
.meta-item{font-size:13px; color:var(--muted); margin:6px 0;}

.links{margin-top:12px; display:flex; flex-direction:column; gap:8px;}
.link{color:var(--link); text-decoration:none; font-size:14px;}
.link:hover{text-decoration:underline;}

.content{
  min-height: 70vh;
}

h1,h2,h3{margin: 18px 0 10px;}
h2{border-bottom:1px solid var(--line); padding-bottom:8px;}
p{line-height:1.7; color:#222;}

.section{margin-bottom: 22px;}

.news li{margin: 8px 0; color:#222;}
.news .date{color:var(--muted); font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New";}

.pub-card{
  display:grid;
  grid-template-columns: 220px 1fr;
  gap: 16px;
  padding: 14px;
  border:1px solid var(--line);
  background: var(--card);
  border-radius: 10px;
  margin: 14px 0;
}
.pub-card img{
  width: 220px;
  height: 130px;
  object-fit: cover;
  border-radius: 8px;
  border:1px solid var(--line);
  background:#fff;
}
.pub-title{font-weight:700; margin-bottom:6px;}
.pub-meta{color:var(--muted); font-size: 13px; margin-bottom:8px;}
.pub-bullets{margin: 0 0 10px 18px; color:#222;}
.pub-links a{
  margin-right: 12px;
  color: var(--link);
  text-decoration: none;
  font-size: 13px;
}
.pub-links a:hover{text-decoration:underline;}

.footer{
  border-top:1px solid var(--line);
  margin-top: 30px;
  padding-top: 14px;
  color: var(--muted);
  font-size: 13px;
}
@media (max-width: 900px){
  .container{grid-template-columns: 1fr;}
  .sidebar{border-right:none; padding-right:0; border-bottom:1px solid var(--line); padding-bottom:16px;}
  .pub-card{grid-template-columns: 1fr;}
  .pub-card img{width:100%; height: 180px;}
}