:root{--bg:#140a24;--bg2:#0a0514;--card:#20123a;--line:#39215e;
  --neon:#b06cff;--neon2:#7a2fe0;--gold:#ffd166;--text:#efe7fb;--muted:#a794c4;--red:#ff6b6b;--red-bg:#3a1420}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{margin:0;font-family:"Prompt","Noto Sans Thai","Segoe UI",system-ui,sans-serif;color:var(--text);
  line-height:1.85;background:radial-gradient(1200px 500px at 50% -100px,#3a1c6b 0%,var(--bg) 45%,var(--bg2) 100%);min-height:100vh}
.wrap{max-width:860px;margin:0 auto;padding:18px}
header{position:sticky;top:0;z-index:40;background:#0d0619ee;backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);padding:12px 18px;display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{font-size:21px;font-weight:900;color:var(--neon);text-decoration:none;letter-spacing:.5px}
.brand small{display:block;font-size:10px;color:var(--muted);letter-spacing:2.5px;font-weight:400}
.cta{display:inline-block;padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,#b06cff,#7a2fe0);color:#fff;text-decoration:none;box-shadow:0 0 18px #7a2fe066}
nav{background:#00000038;border-bottom:1px solid var(--line);padding:9px 18px;display:flex;gap:5px;overflow-x:auto}
nav::-webkit-scrollbar{display:none}
nav a{color:var(--muted);text-decoration:none;font-size:13px;font-weight:600;padding:6px 13px;border-radius:999px;white-space:nowrap}
nav a:hover{color:var(--text);background:#ffffff12}
nav a.on{background:var(--neon);color:#1a0b2e}
h1{font-size:27px;line-height:1.42;margin:26px 0 10px;color:var(--gold)}
h2{font-size:20px;margin:34px 0 10px;color:var(--neon)}
h3{font-size:16px;margin:22px 0 6px;color:var(--gold)}
p,li{font-size:16px}
.lead{font-size:17px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:16px 0}
.warn{background:#3a2a08;border-color:#7a5f14;color:#ffd88a}
.warn p,.warn li,.warn strong{color:#ffd88a}
.bad{background:var(--red-bg);border-color:#6d2434}
.bad strong{color:var(--red)}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left;vertical-align:top}
th{background:#2a1650;color:var(--neon)}
.meter{display:flex;gap:3px;margin:2px 0}
.meter i{width:15px;height:9px;border-radius:2px;background:#3b2a5c;display:inline-block}
.meter i.on{background:var(--gold)}
ol.steps{counter-reset:s;list-style:none;padding:0}
ol.steps li{counter-increment:s;position:relative;padding:10px 0 10px 42px;border-bottom:1px solid var(--line)}
ol.steps li:before{content:counter(s);position:absolute;left:0;top:12px;width:28px;height:28px;border-radius:50%;
  background:linear-gradient(135deg,#b06cff,#7a2fe0);color:#fff;font-weight:800;font-size:14px;display:flex;align-items:center;justify-content:center}
.big-cta{display:block;text-align:center;padding:16px;border-radius:999px;font-size:18px;font-weight:900;
  background:linear-gradient(135deg,#b06cff,#7a2fe0);color:#fff;text-decoration:none;margin:26px 0;box-shadow:0 0 26px #7a2fe055}
details{border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:10px 0;background:var(--card)}
details summary{cursor:pointer;font-weight:700;color:var(--neon)}
details p{margin:10px 0 0;color:var(--muted)}
footer{border-top:1px solid var(--line);margin-top:40px;padding:20px 18px;color:var(--muted);font-size:13px;text-align:center}
footer a{color:var(--neon)}
footer nav{border:0;background:0;justify-content:center;padding:0 0 8px}
.tag{display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;background:#2a1650;border:1px solid var(--line);color:var(--muted);margin:2px;text-decoration:none}