:root{
  --accent:#4F6CFF; --accent2:#7A5CFF;
  --bg:#F4F5F9; --ink:#0E1220; --muted:#5B6071; --card:#FFFFFF; --line:#E8EAF2;
  --grad:linear-gradient(120deg,#4F6CFF,#7A5CFF);
  --shadow:0 24px 60px rgba(20,22,55,.10); --shadow-sm:0 10px 30px rgba(20,22,55,.07);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.65; -webkit-font-smoothing:antialiased}
a{color:var(--accent); text-decoration:none}
.wrap{max-width:840px; margin:0 auto; padding:0 24px}

header.nav{position:sticky; top:0; z-index:10; backdrop-filter:saturate(180%) blur(14px); background:rgba(244,245,249,.82); border-bottom:1px solid var(--line)}
.nav-row{display:flex; align-items:center; gap:10px; height:64px}
.brand{display:flex; align-items:center; gap:10px; font-weight:800; font-size:16px; letter-spacing:-.02em; color:var(--ink)}
.brand img{width:30px;height:30px;border-radius:9px;object-fit:cover;box-shadow:0 6px 16px rgba(79,108,255,.4)}
.nav-cta{margin-left:auto; display:flex; gap:22px; align-items:center}
.nav-cta a{font-size:14px; font-weight:600; color:var(--muted)}
.nav-cta a:hover{color:var(--ink)}

.page-hero{padding:54px 0 8px}
.page-hero .pill{display:inline-block; font-size:13px; font-weight:600; color:var(--accent);
  background:rgba(79,108,255,.09); border:1px solid rgba(79,108,255,.18); padding:7px 14px; border-radius:999px; margin-bottom:18px}
h1{font-size:clamp(30px,5vw,46px); letter-spacing:-.03em; line-height:1.1}
.page-hero p.sub{color:var(--muted); font-size:17px; margin-top:14px; max-width:64ch}

.content{padding:24px 0 10px}
.content h2{font-size:22px; letter-spacing:-.02em; margin:30px 0 10px}
.content h3{font-size:17px; margin:20px 0 6px}
.content p{color:#34384a; margin:10px 0}
.content ul{margin:10px 0 10px 22px; color:#34384a}
.content li{margin:7px 0}
.updated{color:var(--muted); font-size:14px}

.card{background:var(--card); border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow-sm); padding:24px 26px; margin:18px 0}
.note{background:rgba(79,108,255,.06); border:1px solid rgba(79,108,255,.18); border-radius:16px; padding:18px 20px; font-size:14.5px}
.note b{color:var(--accent)}

.step{display:flex; gap:16px; padding:18px 0; border-bottom:1px solid var(--line)}
.step:last-child{border-bottom:0}
.step .num{flex:none; width:34px; height:34px; border-radius:11px; background:var(--grad); color:#fff; font-weight:800; display:grid; place-items:center}
.step h3{font-size:16.5px; margin:0 0 4px}
.step p{color:var(--muted); font-size:14.5px; margin:0}
.reco{display:inline-block; font-size:11.5px; font-weight:700; color:#fff; background:var(--grad); padding:4px 10px; border-radius:99px; margin-left:8px; vertical-align:middle}
kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace; background:#f1f3fa; border:1px solid var(--line); border-bottom-width:2px; border-radius:7px; padding:2px 7px; font-size:13px}
code{display:block; font-family:ui-monospace,SFMono-Regular,Menlo,monospace; background:#0e1220; color:#e7ebff; padding:13px 15px; border-radius:12px; font-size:13px; margin-top:10px; overflow:auto}

.btn{display:inline-flex; align-items:center; gap:9px; font-weight:600; font-size:15px; padding:13px 24px; border-radius:13px;
  background:var(--grad); color:#fff; box-shadow:0 12px 26px rgba(79,108,255,.34); transition:transform .25s; border:0; cursor:pointer}
.btn:hover{transform:translateY(-2px)}
.cta{text-align:center; margin:32px 0 8px}

.field{display:block; margin:14px 0}
.field label{display:block; font-weight:600; font-size:14px; margin-bottom:6px}
.field input,.field textarea{width:100%; padding:12px 14px; border:1px solid var(--line); border-radius:12px; font:inherit; background:#fff; color:var(--ink)}
.field input:focus,.field textarea:focus{outline:none; border-color:var(--accent); box-shadow:0 0 0 3px rgba(79,108,255,.15)}
.field textarea{min-height:150px; resize:vertical}
.grid2{display:grid; grid-template-columns:1fr 1fr; gap:14px}

footer{border-top:1px solid var(--line); margin-top:56px; padding:42px 0}
.foot{display:flex; justify-content:space-between; gap:28px; flex-wrap:wrap}
.foot .brand{margin-bottom:10px}
.foot .tag{color:var(--muted); font-size:14px; max-width:34ch}
.foot-cols{display:flex; gap:48px; flex-wrap:wrap}
.foot-col h4{font-size:12px; text-transform:uppercase; letter-spacing:.06em; color:var(--muted); margin-bottom:12px}
.foot-col a{display:block; color:var(--ink); font-size:14px; margin-bottom:9px}
.foot-col a:hover{color:var(--accent)}
.copy{margin-top:32px; color:var(--muted); font-size:13px; display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px}

@media(max-width:560px){ .grid2{grid-template-columns:1fr} }
@media (prefers-reduced-motion:reduce){ *{transition:none!important; scroll-behavior:auto} }