@font-face{font-family:"Sora";font-style:normal;font-weight:100 800;font-display:swap;src:url(sora.woff2) format("woff2")}
:root{--bg:#04060f;--ink:#f4f7ff;--mute:#b4c0de;--blue:#2563eb;--cyan:#4cc9ff;--orange:#f97316;--line:rgba(190,210,255,.16);--card:linear-gradient(155deg,rgba(255,255,255,.075),rgba(255,255,255,.025))}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:16px}
body{font-family:"Sora",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(70% 36% at 10% 4%,rgba(37,99,235,.34),transparent 70%),radial-gradient(60% 32% at 95% 22%,rgba(76,201,255,.16),transparent 70%),radial-gradient(60% 34% at 20% 92%,rgba(124,92,255,.18),transparent 70%)}
a{color:var(--cyan)}
.w{width:min(100% - 36px,760px);margin-inline:auto}
.top{padding:16px 0}
.top .w{display:flex;justify-content:space-between;align-items:center;gap:12px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--mute);text-decoration:none;font:700 12px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.14em}
.brand i{width:9px;height:9px;border-radius:50%;background:var(--orange);box-shadow:0 0 12px var(--orange)}
.back{display:inline-flex;align-items:center;min-height:42px;padding:0 16px;border:1px solid var(--line);border-radius:999px;background:var(--card);color:var(--ink);text-decoration:none;font-weight:700;font-size:14px}
.back:hover{border-color:rgba(76,201,255,.6)}
.k{font:700 12px/1.3 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);margin-top:26px}
h1{font-size:clamp(30px,8vw,46px);line-height:1.08;letter-spacing:-.03em;font-weight:800;margin-top:10px}
.upd{margin-top:12px;color:var(--mute);font-size:14px}
.lead{margin-top:18px;color:var(--mute)}
.toc{margin-top:26px;padding:18px 20px;border:1px solid var(--line);border-radius:20px;background:var(--card)}
.toc b{display:block;font:700 12px/1 ui-monospace,Menlo,Consolas,monospace;letter-spacing:.14em;color:var(--mute);margin-bottom:10px}
.toc ol{padding-left:20px;display:grid;gap:4px;font-size:15px}
.toc a{text-decoration:none;color:var(--ink)}
.toc a:hover{color:var(--cyan)}
section.s{margin-top:18px;padding:22px 20px;border:1px solid var(--line);border-radius:22px;background:var(--card)}
section.s h2{font-size:20px;line-height:1.25;letter-spacing:-.02em;font-weight:800}
section.s p,section.s li{color:var(--mute);font-size:15.5px}
section.s p{margin-top:10px}
section.s ul{margin:10px 0 0;padding-left:20px;display:grid;gap:6px}
section.s strong{color:var(--ink)}
.cta{margin:34px 0 10px;display:flex;flex-wrap:wrap;gap:12px}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 24px;border-radius:999px;background:linear-gradient(90deg,var(--orange),#fb923c);color:#0b0f1a;text-decoration:none;font-weight:800;font-size:16px}
.btn.alt{background:transparent;color:var(--ink);border:1px solid var(--line)}
footer{margin-top:30px;padding:26px 0 44px;border-top:1px solid var(--line);font-size:13px;color:#8a98bd}
footer a{color:var(--mute)}
@media (min-width:720px){section.s{padding:28px 30px}.w{width:min(100% - 56px,760px)}}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}