:root {
  --bg: #06080d;
  --line: rgba(255, 255, 255, .09);
  --line-2: rgba(255, 255, 255, .18);
  --text: #e8eef8;
  --dim: #a9b6c9;
  --muted: #6f7d92;
  --accent: #4cc2ff;
  --accent-2: #a78bfa;
  --sans: "Segoe UI", "Microsoft YaHei", -apple-system, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  overflow-x: hidden;
}
a { color: inherit; text-decoration: none; }

.glow { position: fixed; inset: 0; pointer-events: none; overflow: hidden; }
.glow i {
  position: absolute; display: block; border-radius: 50%;
  width: 46vw; height: 46vw; filter: blur(90px); opacity: .55;
  animation: float 24s ease-in-out infinite;
}
.glow i:nth-child(1) { background: radial-gradient(circle, rgba(76,194,255,.4), transparent 65%); top: -16vw; left: -8vw; }
.glow i:nth-child(2) { background: radial-gradient(circle, rgba(167,139,250,.34), transparent 65%); top: 10vh; right: -14vw; animation-delay: -8s; }
.glow i:nth-child(3) { background: radial-gradient(circle, rgba(55,211,153,.2), transparent 65%); bottom: -22vw; left: 30vw; animation-delay: -15s; }
@keyframes float { 0%,100% { transform: translate3d(0,0,0) scale(1); } 50% { transform: translate3d(3vw,4vh,0) scale(1.08); } }

.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 60px 22px;
  text-align: center;
}

.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 34px; }
.brand img {
  width: 46px; height: 46px; border-radius: 13px;
  box-shadow: 0 0 0 1px rgba(255,255,255,.14), 0 14px 34px rgba(0,0,0,.55);
}
.brand span { font-size: 19px; font-weight: 700; letter-spacing: .01em; text-align: left; }
.brand em {
  display: block; font-style: normal; font-size: 10px; font-weight: 500;
  letter-spacing: .22em; color: var(--muted); text-transform: uppercase;
}

h1 { margin: 0 0 12px; font-size: clamp(30px, 4.6vw, 46px); letter-spacing: -.02em; }
.sub { margin: 0 0 44px; color: var(--dim); font-size: 15.5px; max-width: 520px; }

.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; width: min(880px, 100%); }

.card {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start; gap: 10px;
  padding: 26px 24px 22px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.014));
  text-align: left;
  overflow: hidden;
  transition: transform .25s cubic-bezier(.22,.61,.36,1), border-color .25s, box-shadow .25s;
}
.card::after {
  content: ""; position: absolute; inset: -40% -20% auto auto;
  width: 240px; height: 240px; border-radius: 50%;
  background: radial-gradient(circle, rgba(76,194,255,.22), transparent 70%);
  opacity: 0; transition: opacity .3s;
}
.card:hover { transform: translateY(-5px); border-color: rgba(76,194,255,.4); box-shadow: 0 24px 50px rgba(0,0,0,.5); }
.card:hover::after { opacity: 1; }

.card__icon {
  display: grid; place-items: center;
  width: 44px; height: 44px; border-radius: 13px;
  background: rgba(76,194,255,.14);
  margin-bottom: 6px;
}
.card__icon svg { width: 22px; height: 22px; fill: var(--accent); }
.card__icon--alt { background: rgba(167,139,250,.16); }
.card__icon--alt svg { fill: var(--accent-2); }

.card h2 { margin: 0; font-size: 19px; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--dim); font-size: 13.8px; line-height: 1.65; }
.go {
  display: inline-flex; align-items: center; gap: 5px;
  margin-top: 8px; color: var(--accent); font-size: 13px; font-weight: 550;
}
.go svg { width: 15px; height: 15px; fill: currentColor; transition: transform .2s; }
.card:hover .go svg { transform: translateX(4px); }

footer { margin-top: 46px; color: var(--muted); font-size: 12px; }
footer a { color: var(--dim); border-bottom: 1px dotted rgba(255,255,255,.25); }

@media (max-width: 760px) {
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 44px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  .glow i { animation: none; }
  .card { transition: none; }
}