:root{
  --bg:#f7f8fc;
  --bg2:#eef3fb;
  --card:rgba(255,255,255,.86);
  --text:#15233c;
  --muted:#6d7890;
  --line:rgba(30,47,80,.10);
  --shadow:0 18px 60px rgba(48,71,110,.10);
  --brand:#1f3c68;
  --brand2:#6b8cff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg),#fff 60%,var(--bg2));
  min-height:100vh;
}
body.dark{
  --bg:#101522;
  --bg2:#111827;
  --card:rgba(24,32,48,.82);
  --text:#edf3ff;
  --muted:#9aa8c1;
  --line:rgba(255,255,255,.10);
  --shadow:0 18px 60px rgba(0,0,0,.28);
  --brand:#dce8ff;
  --brand2:#91a7ff;
}
a{text-decoration:none;color:inherit}
button,input{font:inherit}
.page-bg{
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(circle at 20% 5%,rgba(139,171,255,.20),transparent 28%),
    radial-gradient(circle at 80% 10%,rgba(255,189,221,.18),transparent 25%),
    radial-gradient(circle at 50% 100%,rgba(111,199,255,.12),transparent 35%);
  z-index:-1;
}
.container{width:min(1220px,92%);margin:0 auto}
.top-hero{
  text-align:center;
  padding:56px 16px 42px;
}
.avatar{
  width:118px;height:118px;margin:0 auto 20px;
  border-radius:999px;padding:5px;
  background:linear-gradient(135deg,#fff,var(--brand2));
  box-shadow:var(--shadow);
}
.avatar img{
  width:100%;height:100%;object-fit:cover;border-radius:999px;display:block;
}
.top-hero h1{
  margin:0;
  letter-spacing:.08em;
  font-size:clamp(30px,4vw,46px);
  font-weight:800;
}
.top-hero p{
  margin:12px 0 0;
  color:var(--muted);
  letter-spacing:.12em;
}
.nav-card{
  position:sticky;
  top:16px;
  z-index:20;
  width:min(1220px,92%);
  margin:0 auto 34px;
  min-height:76px;
  padding:0 28px;
  display:flex;
  align-items:center;
  gap:30px;
  border:1px solid var(--line);
  border-radius:22px;
  background:var(--card);
  box-shadow:var(--shadow);
  backdrop-filter:blur(16px);
}
.nav-card a{
  font-size:18px;
  color:var(--brand);
  font-weight:600;
  position:relative;
  white-space:nowrap;
}
.nav-card a.active::after{
  content:"";
  position:absolute;
  left:10%;
  right:10%;
  bottom:-12px;
  height:3px;
  border-radius:999px;
  background:linear-gradient(90deg,var(--brand2),transparent);
}
.icon-btn{
  border:0;
  width:40px;
  height:40px;
  border-radius:14px;
  background:transparent;
  color:var(--brand);
  cursor:pointer;
  font-size:24px;
}
.icon-btn:hover{background:rgba(104,132,190,.12)}
.nav-card .icon-btn:first-of-type{margin-left:auto}
.search-panel{
  display:none;
  margin:0 0 26px;
}
.search-panel.show{display:block}
.search-panel input{
  width:100%;
  border:1px solid var(--line);
  background:var(--card);
  color:var(--text);
  border-radius:18px;
  padding:18px 20px;
  outline:none;
  box-shadow:var(--shadow);
}
.stats-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:18px;
  margin-bottom:24px;
}
.stat-card{
  border:1px solid var(--line);
  background:var(--card);
  border-radius:24px;
  padding:24px 26px;
  box-shadow:var(--shadow);
}
.stat-card strong{
  display:block;
  font-size:34px;
  line-height:1;
  margin-bottom:8px;
}
.stat-card span{color:var(--muted)}
.category-bar{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin:8px 0 34px;
}
.category-pill{
  border:1px solid var(--line);
  background:var(--card);
  color:var(--brand);
  border-radius:999px;
  padding:12px 20px;
  cursor:pointer;
  font-weight:700;
  box-shadow:0 8px 24px rgba(48,71,110,.06);
}
.category-pill.active{
  background:var(--text);
  color:var(--bg);
}
.masonry-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:26px;
  align-items:start;
}
.gallery-card{
  display:block;
  overflow:hidden;
  border-radius:24px;
  background:var(--card);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  transition:transform .25s ease, box-shadow .25s ease;
}
.gallery-card:hover{
  transform:translateY(-7px);
  box-shadow:0 24px 72px rgba(48,71,110,.18);
}
.cover-wrap{
  position:relative;
  overflow:hidden;
  aspect-ratio:3/4;
}
.gallery-card.wide .cover-wrap{aspect-ratio:4/3}
.cover-wrap img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
  transition:transform .45s ease;
}
.gallery-card:hover img{transform:scale(1.05)}
.badge{
  position:absolute;
  top:12px;
  padding:7px 10px;
  border-radius:999px;
  background:rgba(22,31,49,.55);
  color:#fff;
  font-size:13px;
  backdrop-filter:blur(8px);
}
.badge.time{left:12px}
.badge.count{right:12px}
.card-info{
  padding:16px 16px 18px;
}
.card-info h2{
  font-size:18px;
  line-height:1.35;
  margin:0 0 8px;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  color:var(--muted);
  font-size:13px;
  gap:10px;
}
.tags{
  display:flex;
  gap:8px;
  flex-wrap:wrap;
  margin-top:12px;
}
.tag{
  font-size:12px;
  color:var(--brand);
  background:rgba(107,140,255,.10);
  padding:5px 9px;
  border-radius:999px;
}
.about-card{
  margin:46px 0;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:24px;
  padding:24px;
  color:var(--muted);
}
.about-card h2{color:var(--text);margin-top:0}
.footer{
  text-align:center;
  color:var(--muted);
  padding:32px 16px 46px;
}
.notice{
  position:fixed;inset:0;z-index:50;
  display:none;align-items:center;justify-content:center;
  background:rgba(10,16,28,.42);
  padding:20px;
}
.notice-card{
  width:min(430px,100%);
  background:var(--card);
  color:var(--text);
  border:1px solid var(--line);
  border-radius:24px;
  padding:26px;
  box-shadow:0 30px 100px rgba(0,0,0,.25);
  position:relative;
  backdrop-filter:blur(16px);
}
.notice-card button{
  position:absolute;right:14px;top:10px;
  border:0;background:transparent;color:var(--text);
  font-size:30px;cursor:pointer;
}
@media(max-width:1050px){
  .masonry-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:780px){
  .nav-card{gap:18px;overflow-x:auto;border-radius:18px}
  .stats-row{grid-template-columns:1fr}
  .masonry-grid{grid-template-columns:repeat(2,1fr);gap:16px}
}
@media(max-width:520px){
  .top-hero{padding-top:34px}
  .avatar{width:94px;height:94px}
  .nav-card{top:8px;padding:0 16px;min-height:64px}
  .nav-card a{font-size:16px}
  .masonry-grid{grid-template-columns:1fr}
}