:root{--bg:#0f1117;--bg2:#151924;--panel:#1a1f2c;--panel2:#20263a;--line:#2a3147;--text:#e6e9f2;--muted:#8b93ab;--accent:#6c8cff;--accent2:#5574f0;--ok:#3ecf8e;--warn:#f5a524;--bad:#ef4444;--r:14px}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 "Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
header.top{position:sticky;top:0;z-index:20;background:rgba(15,17,23,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;align-items:center;gap:22px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text)}.brand img{width:30px;height:30px;border-radius:8px}
.brand:hover{text-decoration:none}
nav.menu{display:flex;gap:4px;margin-left:auto;flex-wrap:wrap}
nav.menu a{color:var(--muted);padding:8px 12px;border-radius:8px;font-size:15px}
nav.menu a:hover{background:var(--panel);color:var(--text);text-decoration:none}
nav.menu a.active{color:var(--text);background:var(--panel2);box-shadow:inset 0 -2px 0 var(--accent)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 10px;font-size:18px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 20px;border-radius:10px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-weight:600;cursor:pointer}
.btn:hover{background:var(--panel2);text-decoration:none}
.btn-primary{background:linear-gradient(135deg,var(--accent),#8a6cff);border-color:transparent;color:#fff;box-shadow:0 8px 30px rgba(108,140,255,.3)}
.btn-primary:hover{filter:brightness(1.08);background:linear-gradient(135deg,var(--accent),#8a6cff)}
.btn small{font-weight:400;opacity:.8}
.hero{padding:80px 0 50px;background:radial-gradient(900px 400px at 70% -10%,rgba(108,140,255,.25),transparent),radial-gradient(600px 300px at 10% 10%,rgba(62,207,142,.12),transparent)}
.hero h1{font-size:46px;line-height:1.15;margin:0 0 16px;letter-spacing:-.5px}
.hero h1 span{background:linear-gradient(135deg,#8fa6ff,#3ecf8e);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:19px;color:var(--muted);max-width:720px;margin:0 0 28px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.badge{display:inline-block;padding:4px 10px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);color:var(--muted);font-size:13px;margin-bottom:18px}
.badge b{color:var(--ok)}
.hero-shot{margin-top:46px;border-radius:var(--r);border:1px solid var(--line);box-shadow:0 30px 80px rgba(0,0,0,.5);width:100%;height:auto;display:block}
section.block{padding:56px 0}
section.block h2{font-size:30px;margin:0 0 8px}
.sub{color:var(--muted);margin:0 0 28px}
.grid{display:grid;gap:16px}.g3{grid-template-columns:repeat(3,1fr)}.g2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--r);padding:22px}
.card h3{margin:0 0 6px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}
.card .ico{font-size:26px;margin-bottom:8px}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery figure{margin:0;background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden;cursor:zoom-in}
.gallery img{width:100%;height:auto;display:block;aspect-ratio:16/10;object-fit:cover;object-position:top left}
.gallery figcaption{padding:10px 12px;font-size:14px;color:var(--muted)}
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,.88);display:none;align-items:center;justify-content:center;z-index:50;padding:30px;cursor:zoom-out}
.lightbox.open{display:flex}.lightbox img{max-width:100%;max-height:100%;border-radius:10px}
.page-title{padding:46px 0 10px}.page-title h1{font-size:36px;margin:0 0 6px}.page-title p{color:var(--muted);margin:0}
.dl-main{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.dl{display:flex;flex-direction:column;gap:10px}
.dl .btn{justify-content:center}
.meta{font-size:13px;color:var(--muted)}
code,.mono{font-family:Consolas,"Cascadia Mono",monospace;font-size:13px}
.sha{word-break:break-all;background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:6px 8px;display:block;font-size:12px;color:#b9c2dc}
.rec{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent) inset}
.tag{display:inline-block;font-size:12px;padding:2px 8px;border-radius:999px;background:rgba(62,207,142,.15);color:var(--ok);margin-left:6px;vertical-align:middle}
.tag.old{background:var(--panel2);color:var(--muted)}
ol.steps{counter-reset:s;list-style:none;padding:0;margin:0}
ol.steps li{counter-increment:s;position:relative;padding:0 0 18px 50px}
ol.steps li:before{content:counter(s);position:absolute;left:0;top:-2px;width:34px;height:34px;border-radius:50%;background:var(--panel2);border:1px solid var(--accent);display:flex;align-items:center;justify-content:center;font-weight:700}
.note{background:rgba(245,165,36,.08);border:1px solid rgba(245,165,36,.35);border-radius:12px;padding:14px 16px;color:#f3d9a8}
.release{margin-bottom:18px}.release h2{margin:0;font-size:22px}.release .date{color:var(--muted);font-size:14px}
.release ul{margin:10px 0 14px;padding-left:20px}.release li{margin:4px 0}
.release .links{display:flex;gap:10px;flex-wrap:wrap}.release .links .btn{padding:8px 14px;font-size:14px}
.doc{display:grid;grid-template-columns:260px 1fr;gap:30px;align-items:start}
.toc{position:sticky;top:84px;max-height:calc(100vh - 100px);overflow:auto;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:14px;font-size:14px}
.toc a{display:block;color:var(--muted);padding:4px 6px;border-radius:6px}.toc a:hover{color:var(--text);background:var(--panel2);text-decoration:none}
.toc a.l3{padding-left:18px;font-size:13px}
.md{min-width:0}.md h1{font-size:30px}.md h2{border-top:1px solid var(--line);padding-top:24px;margin-top:34px}
.md h2,.md h3{scroll-margin-top:80px}
.md table{border-collapse:collapse;width:100%;display:block;overflow:auto}.md th,.md td{border:1px solid var(--line);padding:6px 10px;text-align:left}
.md pre{background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:12px;overflow:auto}
.md :not(pre)>code{background:var(--panel2);padding:1px 6px;border-radius:5px}
.md blockquote{margin:0;border-left:3px solid var(--warn);background:rgba(245,165,36,.06);padding:8px 16px;border-radius:0 10px 10px 0}
details.faq{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0 18px;margin-bottom:10px}
details.faq summary{cursor:pointer;padding:16px 0;font-weight:600;list-style:none}
details.faq summary:before{content:"＋";color:var(--accent);margin-right:10px}details.faq[open] summary:before{content:"－"}
details.faq div{padding:0 0 16px;color:#c6cbe0}
footer{border-top:1px solid var(--line);margin-top:40px;padding:26px 0;color:var(--muted);font-size:14px}
footer .wrap{display:flex;gap:20px;flex-wrap:wrap;justify-content:space-between}
table.req{width:100%;border-collapse:collapse}table.req td{padding:8px 0;border-bottom:1px solid var(--line)}table.req td:first-child{color:var(--muted);width:40%}
@media(max-width:900px){.g3,.dl-main,.gallery{grid-template-columns:1fr 1fr}.doc{grid-template-columns:1fr}.toc{position:static;max-height:none}.hero h1{font-size:34px}}
@media(max-width:640px){.g3,.g2,.dl-main,.gallery{grid-template-columns:1fr}nav.menu{display:none;position:absolute;top:64px;left:0;right:0;background:var(--bg2);flex-direction:column;padding:10px;border-bottom:1px solid var(--line)}nav.menu.open{display:flex}.burger{display:block}}
.grid.g4{grid-template-columns:repeat(4,1fr)}@media(max-width:1000px){.grid.g4{grid-template-columns:repeat(2,1fr)}}@media(max-width:600px){.grid.g4{grid-template-columns:1fr}}
.period{display:inline-flex;gap:4px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:4px;margin:0 0 22px}
.period button{background:none;border:0;color:var(--muted);font:inherit;font-size:15px;padding:8px 16px;border-radius:9px;cursor:pointer}.period button.on{background:var(--accent);color:#fff}.period button span{color:var(--ok);font-weight:700;margin-left:4px}.period button.on span{color:#fff}
.plan{display:flex;flex-direction:column;position:relative}.plan.pop{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent),0 12px 40px rgba(108,140,255,.18)}.plan .tag{position:absolute;top:14px;right:14px}
.plan .price{min-height:74px;margin:6px 0 10px}.plan .price b{font-size:32px}.plan .price span{color:var(--muted);margin-left:4px}.plan .small{font-size:13px}
.plan ul{list-style:none;padding:0;margin:0 0 18px;flex:1}.plan li{padding:4px 0 4px 22px;position:relative;font-size:14.5px}.plan li:before{content:"✓";position:absolute;left:0;color:var(--ok)}.plan li.soon{color:var(--muted)}.plan li.soon:before{content:"…";color:var(--muted)}
.plan .btn{text-align:center}
.plan .tag.in{position:static;margin-left:4px}
.plan li.no:before{content:"✕";color:var(--muted)}