:root{--bg:#0f0d1c;--card:rgba(255,255,255,.045);--line:rgba(255,255,255,.09);--ink:#f2f0fa;--soft:#c9c3dd;--faint:#9a93b3;--brand:#8b6cff;--warm:#ffb37a}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 Archivo,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.nav{position:sticky;top:0;z-index:10;background:rgba(15,13,28,.82);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;gap:14px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;font-size:17px}
.brand img{width:34px;height:34px;border-radius:50%}
.nav .sp{flex:1}
.nav a.l{color:var(--soft);text-decoration:none;font-size:14px}
.nav a.l:hover{color:#fff}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:12px;padding:12px 20px;font-weight:700;text-decoration:none;font-size:15px;border:1px solid transparent;cursor:pointer}
.btn.pri{background:linear-gradient(135deg,#7b5eff,#b05cff);color:#fff;box-shadow:0 10px 30px -10px #7b5eff}
.btn.pri:hover{filter:brightness(1.08)}
.btn.out{border-color:rgba(255,255,255,.25);color:#fff}
.btn.sm{padding:8px 14px;font-size:13px;border-radius:10px}
.hero{position:relative;padding:72px 0 64px;background:linear-gradient(180deg,rgba(15,13,28,.35),rgba(15,13,28,.92) 85%,var(--bg)),url(/seo/hero.jpg) center 40%/cover no-repeat}
.crumbs{font-size:13px;color:var(--faint);margin-bottom:14px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
.hero h1{font-size:clamp(30px,5vw,48px);line-height:1.12;margin:0 0 16px;letter-spacing:-.02em;max-width:20ch}
.hero .ico{font-size:44px;margin-bottom:8px}
.lead{font-size:clamp(17px,2.2vw,20px);color:var(--soft);max-width:60ch;margin:0 0 26px}
.ctas{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.trust{margin-top:16px;font-size:14px;color:var(--faint)}
.trust b{color:var(--warm)}
section{padding:54px 0}
h2{font-size:clamp(24px,3.4vw,32px);margin:0 0 22px;letter-spacing:-.01em}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px}
.card .i{font-size:26px}
.card h3{margin:8px 0 6px;font-size:17px}
.card p{margin:0;color:var(--soft);font-size:15px}
a.card{text-decoration:none;display:block;transition:border-color .2s,transform .2s}
a.card:hover{border-color:rgba(139,108,255,.6);transform:translateY(-2px)}
a.card .more{display:inline-block;margin-top:10px;color:#b9a6ff;font-weight:600;font-size:14px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;counter-reset:s}
.step{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 20px 20px 64px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:32px;height:32px;border-radius:50%;background:#7b5eff;display:grid;place-items:center;font-weight:800}
.step h3{margin:0 0 4px;font-size:16px}.step p{margin:0;color:var(--soft);font-size:15px}
.cmds{display:flex;flex-wrap:wrap;gap:8px}
.cmds code{background:rgba(139,108,255,.14);border:1px solid rgba(139,108,255,.35);color:#ddd3ff;border-radius:8px;padding:5px 10px;font:14px ui-monospace,SFMono-Regular,Menlo,monospace}
details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin-bottom:10px}
summary{cursor:pointer;font-weight:700;list-style:none}summary::-webkit-details-marker{display:none}
summary::after{content:"+";float:right;color:var(--faint);font-weight:400}details[open] summary::after{content:"−"}
details p{margin:10px 0 0;color:var(--soft)}
.final{text-align:center;background:radial-gradient(ellipse at 50% 0%,rgba(123,94,255,.28),transparent 70%);border-top:1px solid var(--line)}
.final p{color:var(--soft);margin:0 0 22px}
.final .ctas{justify-content:center}
footer{border-top:1px solid var(--line);padding:30px 0 40px;color:var(--faint);font-size:14px}
footer .cols{display:flex;flex-wrap:wrap;gap:28px 48px}
footer h4{color:var(--soft);margin:0 0 8px;font-size:13px;text-transform:uppercase;letter-spacing:.06em}
footer a{display:block;text-decoration:none;color:var(--faint);padding:2px 0}
footer a:hover{color:#fff}
@media (max-width:720px){.nav a.l{display:none}.hero{padding:48px 0 40px}section{padding:40px 0}.step{padding-left:60px}}