:root{
  --bg:#0b0f17;
  --panel:rgba(255,255,255,.045);
  --line:rgba(255,255,255,.10);
  --text:#eef1f7;
  --muted:#97a1b4;
  --accent:#ffe066;
  --accent2:#7ce0d3;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  min-height:100vh;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Roboto,sans-serif;
  line-height:1.65;
  overflow-x:hidden;
  display:flex;
  flex-direction:column;
}
.glow{position:fixed;border-radius:50%;filter:blur(110px);opacity:.32;pointer-events:none;z-index:0}
.glow-a{width:520px;height:520px;background:#ffd54a;top:-220px;left:-160px}
.glow-b{width:480px;height:480px;background:#31c9b5;bottom:-240px;right:-160px;opacity:.22}

header{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:22px clamp(18px,5vw,56px);
  border-bottom:1px solid var(--line);
}
.logo{font-weight:700;letter-spacing:.5px}
.badge{
  font-size:12px;color:var(--muted);
  border:1px solid var(--line);border-radius:999px;
  padding:4px 12px;background:var(--panel);
}

main{
  position:relative;z-index:1;
  width:100%;max-width:900px;margin:0 auto;
  padding:clamp(40px,8vw,84px) clamp(18px,5vw,32px) 60px;
  flex:1;
}
h1{
  font-size:clamp(30px,7vw,52px);
  line-height:1.15;margin:0 0 18px;font-weight:800;letter-spacing:-.02em;
}
.accent{
  background:linear-gradient(100deg,var(--accent),var(--accent2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:clamp(15px,2.2vw,17px);max-width:60ch;margin:0 0 36px}

.cards{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-bottom:24px}
.card,.panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:16px;
  padding:20px;
  backdrop-filter:blur(8px);
}
.card h2,.panel h2{font-size:14px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);margin:0 0 10px;font-weight:600}
.card p{margin:0;font-size:15px}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px;color:var(--accent2);background:rgba(124,224,211,.09);padding:2px 6px;border-radius:6px}

button{
  margin-top:6px;
  font:inherit;font-weight:600;
  color:#11161f;
  background:linear-gradient(100deg,var(--accent),#ffd54a);
  border:0;border-radius:10px;
  padding:11px 22px;cursor:pointer;
  transition:transform .15s ease,box-shadow .15s ease;
  box-shadow:0 6px 22px rgba(255,224,102,.22);
}
button:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(255,224,102,.3)}
button:active{transform:translateY(0)}

pre{
  margin:18px 0 0;padding:16px;border-radius:12px;
  background:rgba(0,0,0,.35);border:1px solid var(--line);
  color:var(--accent2);font-size:13px;line-height:1.6;
  overflow-x:auto;white-space:pre-wrap;word-break:break-word;
}

footer{
  position:relative;z-index:1;
  border-top:1px solid var(--line);
  padding:22px clamp(18px,5vw,56px);
  color:var(--muted);font-size:13px;text-align:center;
}
footer p{margin:0}