:root{--accent:#6D3BEF;--accent-dark:#552AC6;--soft:#EEE9FD;--page:#F6F6FA;--surface:#fff;--line:#DDDDE6;--text:#1F2430;--dim:#6B7284;--ok:#2E7D32;--shadow:0 1px 2px rgba(31,36,48,.06),0 8px 24px rgba(31,36,48,.06)}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--soft:#2a2347;--page:#14151c;--surface:#1c1e28;--line:#2e3140;--text:#ecedf3;--dim:#9aa0b4;--shadow:0 8px 24px rgba(0,0,0,.35)}}
:root[data-theme=dark]{--soft:#2a2347;--page:#14151c;--surface:#1c1e28;--line:#2e3140;--text:#ecedf3;--dim:#9aa0b4;--shadow:0 8px 24px rgba(0,0,0,.35)}
*{box-sizing:border-box}
body{margin:0;background:var(--page);color:var(--text);font:16px/1.55 "Segoe UI",system-ui,-apple-system,sans-serif}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
header.band{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#fff;padding:20px 0 56px}
nav{display:flex;align-items:center;justify-content:space-between;gap:12px}
.brand{font-weight:700;font-size:20px;letter-spacing:.2px}
.brand span{opacity:.75;font-weight:500}
button.theme{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.3);border-radius:8px;padding:6px 12px;cursor:pointer;font:inherit;font-size:14px}
button.theme:hover{background:rgba(255,255,255,.26)}
button.theme:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid #fff;outline-offset:2px}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;padding-top:32px}
.hero h1{font-size:clamp(28px,5vw,44px);line-height:1.15;margin:0 0 12px}
.hero p{color:#D8CDFB;font-size:18px;margin:0 0 24px}
.btn{display:inline-block;background:#fff;color:var(--accent-dark);padding:10px 18px;border-radius:10px;font-weight:600;text-decoration:none;border:0;cursor:pointer;font-size:15px}
.btn:hover{background:var(--soft)}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);margin-left:8px}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.mock{background:var(--surface);color:var(--text);border-radius:14px;box-shadow:0 20px 50px rgba(0,0,0,.35);overflow:hidden;transform:rotate(1.2deg)}
.mock .bar{background:var(--accent);padding:8px 12px;display:flex;gap:6px;align-items:center;color:#fff;font-size:13px}
.mock .bar i{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.55);display:inline-block}
.mock .tabs{display:flex;gap:4px;padding:8px 12px 0;border-bottom:1px solid var(--line);font-size:13px}
.mock .tabs b{padding:6px 12px;border-bottom:3px solid var(--accent);color:var(--accent)}
.mock .tabs span{padding:6px 12px;color:var(--dim)}
.mock .body{padding:14px;display:grid;gap:10px;font-size:13px}
.mock .row{display:flex;justify-content:space-between;gap:8px;background:var(--page);border:1px solid var(--line);border-radius:8px;padding:8px 10px}
.mock .row em{font-style:normal;color:var(--ok);font-weight:600}
.mock .scr{height:90px;border-radius:8px;background:linear-gradient(135deg,var(--soft),var(--page));border:1px dashed var(--line);display:grid;place-items:center;color:var(--dim)}
main{margin-top:-28px}
.section-title{margin:40px 0 16px;font-size:24px}
.intro{color:var(--dim);margin:-8px 0 20px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:10px}
.card h3{margin:0;font-size:20px;display:flex;align-items:center;gap:10px}
.ico{width:40px;height:40px;border-radius:10px;background:var(--soft);display:grid;place-items:center;font-size:22px;flex:none}
.meta{display:flex;gap:8px;flex-wrap:wrap}
.pill{font-size:12px;padding:2px 10px;border-radius:99px;background:var(--soft);color:var(--accent);font-weight:600}
.pill.v{background:transparent;border:1px solid var(--line);color:var(--dim)}
.card p{margin:0;color:var(--dim)}
details{border-top:1px solid var(--line);padding-top:10px}
summary{cursor:pointer;font-weight:600;color:var(--accent);list-style:none}
summary::-webkit-details-marker{display:none}
summary::before{content:"▸ ";transition:transform .15s}
details[open] summary::before{content:"▾ "}
ol{padding-left:22px;margin:10px 0}li{margin:4px 0}
.ex{background:var(--soft);border-left:4px solid var(--accent);border-radius:8px;padding:10px 12px;margin:10px 0;font-size:15px}
.ex b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.6px;color:var(--accent);margin-bottom:2px}
ul.facts{margin:6px 0 0;padding-left:20px;color:var(--dim);font-size:14px}
.dl{margin-top:auto;padding-top:6px}
.dl a{display:inline-block;background:var(--accent);color:#fff;padding:8px 14px;border-radius:9px;text-decoration:none;font-weight:600;font-size:14px}
.dl a:hover{background:var(--accent-dark)}
.dl small{color:var(--dim);margin-left:8px}
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.step{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
.step .n{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700;margin-bottom:8px}
footer{margin:56px 0 32px;color:var(--dim);font-size:14px;text-align:center}
@media(max-width:760px){.hero{grid-template-columns:1fr}.mock{transform:none}.btn.ghost{margin:8px 0 0}}
.nav-links{display:flex;gap:10px;align-items:center}
.nav-links a{color:#fff;text-decoration:none;font-size:15px;font-weight:600;padding:6px 10px;border-radius:8px}
.nav-links a:hover{background:rgba(255,255,255,.16)}
.band.small{padding-bottom:28px}.band.small h1{font-size:clamp(26px,4vw,38px);margin:24px 0 6px}.band.small p{color:#D8CDFB;margin:0;font-size:17px}
.tut{counter-reset:s;display:grid;gap:16px}
.tstep{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:20px 20px 20px 72px;position:relative;box-shadow:var(--shadow)}
.tstep::before{counter-increment:s;content:counter(s);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:700}
.tstep h3{margin:0 0 6px;font-size:19px}.tstep p{margin:6px 0;color:var(--dim)}.tstep ul,.tstep ol{margin:8px 0;padding-left:20px}
.note{background:var(--soft);border-left:4px solid var(--accent);border-radius:8px;padding:10px 12px;margin:10px 0;font-size:15px}
.warn{background:rgba(178,106,0,.12);border-left:4px solid #B26A00;border-radius:8px;padding:10px 12px;margin:10px 0;font-size:15px}
code,kbd{background:var(--soft);padding:1px 6px;border-radius:5px;font-family:Consolas,monospace;font-size:14px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:12px 16px;margin-bottom:10px}
.faq details summary{color:var(--text)}