:root{
  --yellow:#FFD100;
  --yellow-600:#E6B800;
  --black:#111111;
  --gray-100:#f7f7f7;
  --gray-300:#e6e6e6;
  --white:#ffffff;
  --accent:#3a86ff;
  --radius:18px;
  --shadow:0 6px 24px rgba(0,0,0,.08);
  --shadow-sm:0 2px 12px rgba(0,0,0,.06);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--gray-100);color:var(--black);}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius);}
.container{width:min(1100px,92%);margin:auto}
.header{
  background:linear-gradient(180deg,var(--black) 0%, #181818 50%, #202020 100%);
  color:var(--white);
  padding:28px 0 60px;
  position:relative;
  overflow:hidden;
  border-bottom-left-radius: var(--radius);
  border-bottom-right-radius: var(--radius);
  box-shadow: var(--shadow);
}
.brand{display:flex;align-items:center;gap:14px}
.brand .logo{
  width:56px;height:56px;border-radius:50%;
  background:none;
  display:grid;place-items:center;color:#111;font-weight:900;
  border:none;
  box-shadow:var(--shadow-sm);
  font-size:20px;
}
.nav{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.nav ul{list-style:none;display:flex;gap:14px;margin:0;padding:0}
.nav a{padding:10px 14px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);color:#fff}
.nav a:hover{background:rgba(255,255,255,.12)}
.hero{
  margin-top:36px;display:grid;gap:16px
}
.hero h1{font-size:clamp(28px,3.6vw,44px);margin:0;letter-spacing:.3px}
.hero p{margin:0;color:#ddd;max-width:70ch}
.badge{display:inline-flex;align-items:center;gap:8px;background:var(--yellow);color:#111;padding:8px 12px;border-radius:999px;font-weight:700;border:1px solid #000}
.section{padding:56px 0}
.card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.grid.cols-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}

.section-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px
}
.section-title h2{margin:0;font-size:clamp(22px,2.4vw,32px)}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:10px 14px;border-radius:12px;border:1px solid #ccc;background:#fff;cursor:pointer;font-weight:600;
  transition:transform .05s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:var(--yellow);border-color:#000}
.tag{display:inline-block;background:#111;color:#fff;padding:6px 10px;border-radius:999px;border:1px solid #333;font-size:.85rem}

.footer{
  background:#0e0e0e;color:#ddd;padding:30px 0;margin-top:40px;border-top-left-radius:var(--radius);border-top-right-radius:var(--radius);box-shadow:var(--shadow);
}
.footer small{color:#aaa}

.event{display:flex;flex-direction:column;gap:8px}
.event .date{font-weight:800}
.event .meta{color:#444;font-size:.92rem}

.gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}
.gallery iframe{width:100%;aspect-ratio:16/9;border:0;border-radius:var(--radius);box-shadow:var(--shadow-sm)}

.kbd{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;background:#111;color:#fff;padding:2px 6px;border-radius:6px;border:1px solid #444}

.notice{background:#fff8d6;border:1px dashed #d1b200;border-radius:12px;padding:12px}