:root{--bg:#0e1416;--bg-soft:#151d20;--card:#1a2428;--line:#2a3a3e;--text:#eef6f7;--muted:#93a6aa;--teal:#69c4cd;--teal-dark:#4aa8b1;--ink:#0b1214}*{box-sizing:border-box}html{scroll-behavior:smooth}body{min-height:100vh;color:var(--text);background:var(--bg);margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;line-height:1.6}.glow{pointer-events:none;z-index:0;background:radial-gradient(circle,#69c4cd29,#0000 70%);width:40rem;height:40rem;position:fixed;inset:-20vh auto auto 40vw}.nav,main,footer{z-index:1;position:relative}.nav{justify-content:space-between;align-items:center;gap:1rem;max-width:1080px;margin:0 auto;padding:1.1rem 1.25rem;display:flex}.brand{color:var(--text);letter-spacing:.02em;align-items:center;gap:.65rem;font-weight:700;text-decoration:none;display:flex}.brand-mark{background:var(--teal);width:2rem;height:2rem;color:var(--ink);border-radius:.55rem;place-items:center;display:grid}.nav-actions,.hero-actions,.lang{align-items:center;gap:.7rem;display:flex}.lang{border:1px solid var(--line);background:var(--bg-soft);border-radius:999px;padding:.15rem}.lang button{color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:.3rem .7rem}.lang button.active{background:var(--teal);color:var(--ink);font-weight:600}.btn{background:var(--teal);min-height:2.75rem;color:var(--ink);border-radius:999px;justify-content:center;align-items:center;padding:.7rem 1.2rem;font-weight:700;text-decoration:none;display:inline-flex}.btn:hover{background:var(--teal-dark)}.btn-ghost{color:var(--text);border:1px solid var(--line);background:0 0}.btn-small{min-height:2.2rem;padding:.4rem .9rem}.btn-large{min-width:14rem;min-height:3.2rem;font-size:1.05rem}.hero,.section,.download,footer{max-width:1080px;margin:0 auto;padding:2.5rem 1.25rem}.hero{padding-top:3.5rem}.kicker{color:var(--teal);letter-spacing:.12em;text-transform:uppercase;margin:0 0 .8rem;font-size:.8rem;font-weight:700}h1,h2,h3{margin:0 0 .8rem;line-height:1.2}h1{max-width:16ch;font-size:clamp(2.1rem,5vw,3.6rem)}h2{font-size:1.8rem}.lead,.section-lead{color:var(--muted);max-width:42rem;font-size:1.12rem}.hero-note,.note,.meta,footer{color:var(--muted)}.stats,.grid{gap:1rem;display:grid}.stats{grid-template-columns:repeat(4,1fr);margin-top:2.8rem}.grid{grid-template-columns:repeat(3,1fr);margin-top:1.5rem}.stats article,.grid article,.reqs,.faq details,.download{background:var(--card);border:1px solid var(--line);border-radius:1rem}.stats article,.grid article{padding:1.15rem 1.2rem}.stats strong{font-size:1.25rem;display:block}.stats span,.grid p,.steps p,.faq p{color:var(--muted);margin:.35rem 0 0}.mono{font-family:ui-monospace,Cascadia Code,Consolas,monospace;font-size:1rem!important}.steps{gap:1rem;margin:1.5rem 0 0;padding:0;list-style:none;display:grid}.steps li{grid-template-columns:auto 1fr;align-items:start;gap:1rem;display:grid}.steps span{width:2.2rem;height:2.2rem;color:var(--teal);background:#69c4cd29;border-radius:999px;place-items:center;font-weight:700;display:grid}.reqs{margin:1.2rem 0;padding:1.2rem 1.3rem;list-style:none}.reqs li+li{margin-top:.55rem}.faq{gap:.75rem;margin-top:1.2rem;display:grid}.faq details{padding:.9rem 1.1rem}.faq summary{cursor:pointer;font-weight:650}.download{text-align:center;margin-bottom:2rem;padding:3rem 1.5rem}.download .section-lead{margin-left:auto;margin-right:auto}.meta{margin-top:1rem}footer{text-align:center;padding-bottom:2.5rem}@media (width<=860px){.stats,.grid{grid-template-columns:1fr 1fr}}@media (width<=640px){.nav-actions .btn-small{display:none}.stats,.grid{grid-template-columns:1fr}h1{max-width:none}}
