:root{
    --bg:#141822; --panel:#1a1f2b; --panel-2:#212836; --border:#2d3546; --border-strong:#3d475c;
    --text:#eef1f6; --muted:#a6afc1; --accent:#19c37d;
    --sans:Inter, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
*{box-sizing:border-box}
html{overflow-x:hidden}
body{
    margin:0; color:var(--text); font:15px/1.55 var(--sans);
    background:radial-gradient(1000px 420px at 50% -10%, rgba(25,195,125,.07), transparent 60%), var(--bg);
    min-height:100vh;
}
a{color:var(--accent); text-decoration:none}
a:hover{text-decoration:underline}
header{
    display:flex; align-items:center; justify-content:space-between; gap:12px; flex-wrap:wrap;
    padding:14px 22px; border-bottom:1px solid var(--border); background:rgba(20,24,34,.9);
}
.brand{font-weight:700; font-size:15px; color:var(--text); text-decoration:none}
.brand:hover{text-decoration:none; color:var(--accent)}
nav{display:flex; gap:14px; flex-wrap:wrap; font-size:13px; color:var(--muted)}
main{max-width:760px; margin:28px auto; padding:0 18px 48px}
h1{font-size:28px; letter-spacing:-.4px; margin:0 0 8px}
.meta{color:var(--muted); font-size:13px; margin-bottom:28px}
h2{font-size:17px; margin:28px 0 10px; color:var(--text)}
p,li{color:var(--muted)}
ul{padding-left:1.2em}
.card{
    background:var(--panel); border:1px solid var(--border); border-radius:14px;
    padding:22px 24px; margin-bottom:18px;
}
footer{max-width:760px; margin:0 auto; padding:0 18px 40px; color:var(--muted); font-size:12px}
.cta{
    display:inline-block; margin-top:8px; padding:10px 16px; border-radius:10px;
    background:var(--accent); color:#062b1e; font-weight:700; font-size:14px; text-decoration:none;
}
.cta:hover{text-decoration:none; filter:brightness(1.06)}
.guide-list{list-style:none; padding:0; margin:0}
.guide-list li{border-top:1px solid var(--border); padding:14px 0}
.guide-list li:first-child{border-top:none; padding-top:0}
.guide-list a{font-weight:700; font-size:16px; color:var(--text); text-decoration:none}
.guide-list a:hover{color:var(--accent)}
.guide-list p{margin:6px 0 0; font-size:14px}
.note{font-size:13px; color:var(--muted); margin-top:20px}