:root{
  --bg:#e9f4ff;
  --bg2:#fff8fc;
  --text:#26344d;
  --muted:#6b7690;
  --accent:#65b8ff;
  --accent2:#d992ff;
  --line:rgba(255,255,255,.46);
  --shadow:0 24px 70px rgba(92, 112, 158, .18);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--text)}
body{
  background:
    radial-gradient(circle at 14% 12%, rgba(255,255,255,.85), transparent 20%),
    radial-gradient(circle at 84% 16%, rgba(255,255,255,.65), transparent 22%),
    radial-gradient(circle at 72% 82%, rgba(255,255,255,.42), transparent 22%),
    linear-gradient(135deg,var(--bg),var(--bg2));
  background-attachment:fixed;
}
a{color:inherit;text-decoration:none}
.shell{width:min(1180px,100%);margin:0 auto;padding:28px}
.glass{background:linear-gradient(180deg,rgba(255,255,255,.32),rgba(255,255,255,.16));border:1px solid var(--line);box-shadow:var(--shadow),inset 0 1px 0 rgba(255,255,255,.34);backdrop-filter:blur(24px) saturate(155%);-webkit-backdrop-filter:blur(24px) saturate(155%);border-radius:30px}
.hero{padding:42px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-90px;top:-90px;width:260px;height:260px;border-radius:50%;background:linear-gradient(135deg,rgba(101,184,255,.34),rgba(217,146,255,.28));filter:blur(4px)}
.brand-mark{width:62px;height:62px;border-radius:22px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:white;font-weight:900;font-size:22px;box-shadow:0 14px 30px rgba(112,136,190,.22)}
.eyebrow{margin:22px 0 8px;color:var(--muted);font-weight:800;letter-spacing:.12em;text-transform:uppercase;font-size:12px}
h1{margin:0;font-size:clamp(36px,6vw,68px);line-height:1.05;letter-spacing:-.05em;max-width:820px}
.lead{max-width:760px;margin:22px 0 0;color:var(--muted);font-size:18px;line-height:1.8}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px;position:relative;z-index:1}
.primary,.secondary{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 18px;font-weight:900;transition:.18s ease}
.primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 14px 30px rgba(112,136,190,.22)}
.secondary{background:rgba(255,255,255,.25);border:1px solid var(--line);color:var(--text)}
.primary:hover,.secondary:hover,.tool-card:hover{transform:translateY(-2px)}
.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:18px}
.tool-card{padding:26px;transition:.18s ease;min-height:330px;display:flex;flex-direction:column}
.tag{align-self:flex-start;border-radius:999px;padding:7px 11px;background:rgba(255,255,255,.28);border:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:900;text-transform:uppercase;letter-spacing:.08em}
h2{margin:18px 0 8px;font-size:28px;letter-spacing:-.03em}.tool-card p,.note p{color:var(--muted);line-height:1.75}.tool-card ul{margin:14px 0 0;padding-left:20px;color:var(--muted);line-height:1.9}.go{margin-top:auto;font-weight:900;color:#526cff}.note{margin-top:18px;padding:26px}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.steps div{padding:16px;border-radius:18px;background:rgba(255,255,255,.20);border:1px solid var(--line);display:flex;gap:12px;align-items:center}.steps b{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;flex:0 0 auto}.steps span{color:var(--muted);line-height:1.55;font-weight:700}
@media (max-width:760px){.shell{padding:16px}.hero{padding:28px}.cards,.steps{grid-template-columns:1fr}.lead{font-size:16px}.primary,.secondary{width:100%}}