:root{
  --bg:#0b1220;
  --panel:#0f1b2e;
  --panel2:#0c1626;
  --text:#e7eefc;
  --muted:#b7c6e6;
  --line:rgba(255,255,255,.12);
  --accent:#66e3ff;
  --accent2:#7cff9b;
  --shadow: 0 12px 30px rgba(0,0,0,.35);
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background: radial-gradient(1200px 600px at 10% 0%, rgba(102,227,255,.14), transparent 60%),
              radial-gradient(900px 600px at 90% 10%, rgba(124,255,155,.10), transparent 55%),
              var(--bg);
  color:var(--text);
}

.wrap{
  width:min(1080px,92vw);
  margin:28px auto 40px;
}

.top{
  padding:22px 22px 10px;
}

.badge{
  display:inline-block;
  font-weight:700;
  letter-spacing:.08em;
  font-size:12px;
  color:rgba(255,255,255,.85);
  background:rgba(255,255,255,.08);
  border:1px solid var(--line);
  padding:8px 12px;
  border-radius:999px;
}

h1{
  margin:14px 0 8px;
  font-size:34px;
  line-height:1.1;
}

.sub{
  margin:0;
  color:var(--muted);
  max-width:70ch;
}

.grid{
  display:grid;
  grid-template-columns: 1.25fr .85fr;
  gap:16px;
  align-items:start;
}

@media (max-width: 900px){
  .grid{grid-template-columns:1fr}
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:18px 18px 16px;
}

.card h2{
  margin:0 0 6px;
  font-size:18px;
}

.muted{color:var(--muted)}
.small{font-size:13px; line-height:1.5}

.media{
  margin-top:12px;
  border-radius:14px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  background:var(--panel2);
}

video, iframe{
  width:100%;
  height:360px;
  display:block;
  background:#000;
}

@media (max-width: 900px){
  video, iframe{height:240px}
}

.actions{
  display:flex;
  gap:10px;
  margin-top:12px;
  flex-wrap:wrap;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:10px 14px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.16);
  text-decoration:none;
  color:var(--text);
  background:rgba(102,227,255,.12);
  font-weight:700;
}

.btn:hover{filter:brightness(1.08)}
.btn.ghost{
  background:rgba(255,255,255,.06);
}

.docbox{
  margin-top:12px;
  padding:14px;
  border-radius:14px;
  background:rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.12);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}

.doc-title{font-weight:800}
.doc-meta{color:var(--muted); font-size:13px; margin-top:2px}

.note{
  margin-top:10px;
  padding:10px 12px;
  border-left:3px solid var(--accent);
  background:rgba(102,227,255,.08);
  color:rgba(255,255,255,.9);
  border-radius:12px;
  font-size:13px;
}

.list{
  margin:10px 0 0;
  padding-left:18px;
  color:rgba(255,255,255,.9);
}

.foot{
  margin-top:16px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:10px 6px;
  color:rgba(255,255,255,.75);
  border-top:1px solid rgba(255,255,255,.10);
}