:root{
  --bg: #f6f8fc;
  --panel: rgba(255,255,255,.80);
  --panel2: rgba(255,255,255,.65);
  --border: rgba(20,30,60,.12);
  --text: #0e1530;
  --muted: rgba(14,21,48,.70);
  --muted2: rgba(14,21,48,.55);
  --shadow: 0 18px 50px rgba(12,18,40,.10);
  --radius: 18px;
}

*{ box-sizing:border-box; }

body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(900px 520px at 15% 10%, rgba(80,155,255,.18), transparent 60%),
    radial-gradient(850px 650px at 90% 0%, rgba(0,190,170,.14), transparent 55%),
    radial-gradient(900px 700px at 55% 120%, rgba(255,170,80,.12), transparent 55%),
    var(--bg);
  color: var(--text);
}

.wrap{
  max-width: 1050px;
  margin: 0 auto;
  padding: 26px;
}

.header{
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(20,30,60,.10);
}

.header::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    linear-gradient(120deg, rgba(255,255,255,.90), transparent 40%),
    radial-gradient(700px 260px at 35% 0%, rgba(80,155,255,.10), transparent 70%);
  pointer-events:none;
}

.header .wrap{
  position:relative;
  padding: 34px 26px 28px;
  display:flex;
  gap: 18px;
  align-items:center;
}

.logo{
  width: 110px;
  height: 110px;
  object-fit: contain;
  border-radius: 16px;
  background: rgba(255,255,255,.85);
  border: 1px solid rgba(20,30,60,.12);
  padding: 10px;
  box-shadow: 0 14px 38px rgba(12,18,40,.10);
}

.header h1{
  margin: 0;
  font-size: 26px;
  letter-spacing: .2px;
}

.header p{
  margin: 6px 0 0;
  color: var(--muted);
  line-height: 1.45;
}

.hint{
  margin-top: 10px;
  font-size: 13px;
  color: var(--muted2);
}

.grid{
  display:grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 16px;
  padding-top: 18px;
}

.card{
  background: linear-gradient(180deg, var(--panel), var(--panel2));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  transition: transform .12s ease, box-shadow .12s ease, border-color .12s ease;
}

.card:hover{
  transform: translateY(-2px);
  border-color: rgba(20,30,60,.20);
  box-shadow: 0 22px 60px rgba(12,18,40,.14);
}

.card h2{
  margin: 0 0 8px;
  font-size: 16px;
}

.card p{
  margin: 0 0 12px;
  color: var(--muted);
}

.btns{
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
}

a.btn{
  display:inline-flex;
  align-items:center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid rgba(20,30,60,.14);
  background: rgba(255,255,255,.75);
  color: var(--text);
  text-decoration:none;
  transition: background .12s ease, border-color .12s ease, transform .12s ease;
}

a.btn:hover{
  background: rgba(255,255,255,.95);
  border-color: rgba(20,30,60,.22);
  transform: translateY(-1px);
}

@media (max-width: 640px){
  .header .wrap{
    flex-direction: column;
    align-items: flex-start;
  }
  .logo{ width: 96px; height: 96px; }
}