:root{--bg:#fbfbfd;--ink:#151320;--muted:#5b5670;--line:#e7e4f0;--card:#ffffff;
--acc:#6c4df6;--acc2:#a259ff;--accink:#ffffff;--soft:#f3f0fb;--warn:#fff7e6;--ok:#e9fbf0}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
background:var(--bg);color:var(--ink);line-height:1.65;font-size:16.5px}
a{color:var(--acc);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;height:auto;border-radius:12px}
.wrap{max-width:1060px;margin:0 auto;padding:0 22px}
header.site{position:sticky;top:0;z-index:50;background:rgba(251,251,253,.92);
backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:20px;padding:14px 22px;max-width:1060px;margin:0 auto;flex-wrap:wrap}
.logo{font-weight:800;font-size:19px;color:var(--ink);letter-spacing:-.02em}
.logo span{color:var(--acc)}
.badge{font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
color:#8a6d00;background:var(--warn);border:1px solid #f0dca8;border-radius:999px;padding:3px 10px}
.navlinks{display:flex;gap:18px;margin-left:auto;flex-wrap:wrap}
.navlinks a{color:var(--muted);font-size:14.5px;font-weight:600}
.navlinks a:hover{color:var(--acc);text-decoration:none}
.hero{padding:64px 0 40px;text-align:center;
background:radial-gradient(900px 380px at 50% -80px,#efe9ff 0%,rgba(239,233,255,0) 70%)}
.hero h1{font-size:clamp(30px,5vw,46px);line-height:1.12;letter-spacing:-.03em;font-weight:800}
.hero p.sub{max-width:720px;margin:16px auto 0;color:var(--muted);font-size:18px}
.btn{display:inline-block;background:linear-gradient(135deg,var(--acc),var(--acc2));
color:var(--accink);font-weight:700;padding:12px 26px;border-radius:12px;margin-top:22px;
box-shadow:0 8px 24px rgba(108,77,246,.28)}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn.ghost{background:#fff;color:var(--acc);border:1px solid var(--acc);box-shadow:none;margin-left:10px}
section{padding:34px 0}
h2{font-size:26px;letter-spacing:-.02em;margin:0 0 14px}
h3{font-size:19px;margin:26px 0 8px}
p{margin:0 0 14px;color:#2b2740}
ul,ol{margin:0 0 16px 22px}
li{margin:5px 0}
.grid{display:grid;gap:16px}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:820px){.grid.c3,.grid.c4{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.card h3{margin-top:0}
.card .tag{display:inline-block;font-size:11px;font-weight:700;color:var(--acc);
background:var(--soft);border-radius:999px;padding:2px 10px;margin-bottom:8px;text-transform:uppercase;letter-spacing:.05em}
table{width:100%;border-collapse:collapse;margin:14px 0 20px;font-size:15px;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--soft);font-size:13px;text-transform:uppercase;letter-spacing:.04em;color:#4a4460}
tr:last-child td{border-bottom:none}
.callout{background:var(--soft);border:1px solid #ddd5f5;border-radius:14px;padding:16px 18px;margin:18px 0}
.callout.warn{background:var(--warn);border-color:#f0dca8}
.callout.ok{background:var(--ok);border-color:#bfe8cd}
.faq details{border:1px solid var(--line);border-radius:12px;background:#fff;margin-bottom:10px;padding:14px 18px}
.faq summary{font-weight:700;cursor:pointer;font-size:16px}
.faq details p{margin-top:10px}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 20px;margin:18px 0;font-size:15px}
.toc b{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.breadcrumbs{font-size:13.5px;color:var(--muted);padding:16px 0 0}
.breadcrumbs a{color:var(--muted)}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:34px 22px 46px;
color:var(--muted);font-size:14px;background:#f6f4fb}
.footgrid{max-width:1060px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:26px}
@media(max-width:760px){.footgrid{grid-template-columns:1fr 1fr}}
footer.site h4{color:var(--ink);font-size:14px;margin:0 0 10px}
footer.site a{display:block;color:var(--muted);margin:5px 0}
.disclaimer{max-width:1060px;margin:26px auto 0;font-size:12.5px;color:#8a84a0;line-height:1.6}
.related{background:var(--soft);border:1px solid #ddd5f5;border-radius:14px;padding:18px 20px;margin:26px 0}
.related b{font-size:13px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted)}
.related ul{margin:8px 0 0 18px}
.steps{counter-reset:s;list-style:none;margin-left:0}
.steps li{counter-increment:s;position:relative;padding:10px 0 10px 52px;border-bottom:1px dashed var(--line)}
.steps li:before{content:counter(s);position:absolute;left:0;top:8px;width:34px;height:34px;
background:linear-gradient(135deg,var(--acc),var(--acc2));color:#fff;font-weight:800;
border-radius:10px;display:flex;align-items:center;justify-content:center}
code{background:#efeaf9;padding:2px 7px;border-radius:6px;font-size:14.5px}
pre{background:#17142a;color:#e8e4ff;padding:16px 18px;border-radius:12px;overflow:auto;font-size:14px;margin:0 0 16px}
pre code{background:none;color:inherit;padding:0}
.kbd{font-family:ui-monospace,monospace}