:root{
  --bg:#0b1020;
  --panel:#16213e;
  --card:#1e293b;
  --text:#e2e8f0;
  --muted:#9ca3af;
  --border:rgba(148,163,184,0.15);
  --accent:#3b82f6;
  --accent2:#8b5cf6;
  --high:#ef4444;
  --medium:#f59e0b;
  --low:#22c55e;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;
  background:radial-gradient(1200px 800px at 15% 0%,rgba(59,130,246,.15),transparent),
             radial-gradient(900px 600px at 85% 15%,rgba(30,58,138,.1),transparent),
             var(--bg);
  color:var(--text)
}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

.topbar{position:sticky;top:0;z-index:100;background:rgba(11,15,23,.7);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 20px}
.brand{display:flex;align-items:center;gap:12px}
.brand__title{font-size:22px;font-weight:800;letter-spacing:.5px}
.brand__subtitle{font-size:13px;color:var(--muted)}
.nav{display:flex;gap:8px;flex-wrap:wrap}
.nav-item{color:var(--text);text-decoration:none;padding:8px 16px;border-radius:8px;transition:background .2s}
.nav-item:hover,.nav-item.active{background:rgba(59,130,246,.25)}

.hero{display:grid;grid-template-columns:1fr 340px;gap:20px;align-items:start;padding:30px 0;margin-bottom:22px}
.hero h1{margin:0;font-size:34px;line-height:1.2}
.muted{color:var(--muted)}
.hero__stats{display:grid;grid-template-columns:1fr;gap:12px}
.stat{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:14px;text-align:center}
.stat__label{font-size:12px;color:var(--muted);margin-bottom:6px}
.stat__value{font-size:24px;font-weight:700;color:var(--accent)}
.stat__small{font-size:14px}

.section{margin-bottom:30px}
.section h2{font-size:22px;margin:0 0 14px;border-bottom:1px solid var(--border);padding-bottom:12px}

.next-event__card{background:linear-gradient(145deg,rgba(30,41,59,.95),rgba(22,33,62,.95));border:1px solid var(--border);border-radius:14px;padding:16px}
.next-event__head{display:flex;gap:8px;align-items:center;margin-bottom:8px}
.next-event__title{font-size:20px;font-weight:700;margin-bottom:8px}
.next-event__meta{font-size:13px;color:var(--muted);margin-bottom:4px}
.countdown{margin-top:10px;font-weight:700;color:#fcd34d}

.filters{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:10px}
.filters label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
.filters select,.filters input{background:#0f172a;border:1px solid var(--border);color:var(--text);padding:8px 10px;border-radius:8px;outline:none}

.scroll-panel{
  overflow-y: scroll;
  overflow-x: hidden;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 10px;
  background: rgba(15,23,42,.35);
  scrollbar-width: auto;
  scrollbar-color: rgba(96,165,250,.95) rgba(15,23,42,.9);
}
.scroll-panel--short{max-height:34vh}
.scroll-panel--long{max-height:56vh}

.scroll-panel::-webkit-scrollbar{width:14px;height:14px}
.scroll-panel::-webkit-scrollbar-thumb{
  background: linear-gradient(180deg, rgba(96,165,250,.95), rgba(59,130,246,.95));
  border-radius: 12px;
  border: 2px solid rgba(15,23,42,.85);
}
.scroll-panel::-webkit-scrollbar-track{
  background: rgba(15,23,42,.75);
  border-radius: 12px;
}
.scroll-panel::-webkit-scrollbar-corner{background: rgba(15,23,42,.75)}

.events-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:14px}
.event-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px;transition:transform .2s,box-shadow .2s}
.event-card:hover{transform:translateY(-3px);box-shadow:0 12px 24px rgba(0,0,0,.3)}
.event__date{font-size:12px;color:var(--muted);margin-bottom:8px}
.event__title{font-size:16px;font-weight:700;margin-bottom:8px;line-height:1.35}
.event__desc{font-size:14px;line-height:1.5;color:var(--muted);margin-bottom:8px}
.event__row{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin-bottom:6px;font-size:12px}
.event__tag{display:inline-block;padding:3px 8px;background:rgba(59,130,246,.2);border:1px solid rgba(59,130,246,.35);border-radius:999px;font-size:12px}
.event__link{display:inline-block;margin-top:4px;font-size:13px;color:#93c5fd;text-decoration:none}
.event__link:hover{text-decoration:underline}

.pill{display:inline-block;padding:3px 8px;border-radius:999px;font-size:11px;font-weight:700;letter-spacing:.2px}
.pill--high{background:rgba(239,68,68,.2);color:#fecaca;border:1px solid rgba(239,68,68,.4)}
.pill--medium{background:rgba(245,158,11,.2);color:#fde68a;border:1px solid rgba(245,158,11,.4)}
.pill--low{background:rgba(34,197,94,.2);color:#bbf7d0;border:1px solid rgba(34,197,94,.4)}

.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(350px,1fr));gap:14px}
.news-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:14px}
.news__source{font-size:12px;color:var(--accent2);margin-bottom:6px}
.news__title{font-size:16px;font-weight:600;margin-bottom:8px;line-height:1.4}
.news__title a{color:var(--text);text-decoration:none}
.news__title a:hover{color:var(--accent)}
.news__time{font-size:12px;color:var(--muted);margin-bottom:8px}
.news__summary{font-size:13px;line-height:1.5;color:var(--muted)}

.footer{border-top:1px solid var(--border);padding:18px 0;margin-top:40px;text-align:center}
.footer .container{display:flex;flex-direction:column;gap:10px;align-items:center}
.copyright{font-size:12px;color:var(--muted)}
.loading{text-align:center;padding:24px;color:var(--muted)}

@media(max-width:768px){
  .hero{grid-template-columns:1fr}
  .events-grid,.news-grid{grid-template-columns:1fr}
  .scroll-panel--short{max-height:34vh}
  .scroll-panel--long{max-height:50vh}
}