:root{color-scheme:dark;--bg:#080b0e;--card:#11171d;--fg:#f4f7f9;--muted:#9ba8b5;--line:#ffffff1f;--green:#b9ff66}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 75% 8%,#b9ff6612,transparent 35%),var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif}
main{width:min(920px,calc(100% - 36px));margin:auto;padding:64px 0 80px}.eyebrow{font:12px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.16em;color:var(--green)}
h1{font-size:clamp(42px,8vw,82px);line-height:1.04;letter-spacing:-.06em;margin:18px 0 24px}h1 span{color:var(--green)}
.lead{font-size:clamp(18px,2.5vw,24px);line-height:1.75;color:#c6d0d9;max-width:760px}.meta{display:flex;gap:10px;flex-wrap:wrap;margin:30px 0 44px}.meta span{border:1px solid var(--line);border-radius:999px;padding:7px 12px;color:var(--muted);font-size:13px}
.download{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:26px;border:1px solid #b9ff6650;border-radius:18px;background:#b9ff660d;text-decoration:none;color:inherit}.download strong{display:block;font-size:22px;margin-bottom:7px}.download small{color:var(--muted);line-height:1.6}.download b{white-space:nowrap;background:var(--green);color:#10160b;padding:12px 18px;border-radius:999px}
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:16px}.card{display:block;padding:22px;border:1px solid var(--line);border-radius:16px;background:var(--card);color:inherit;text-decoration:none}.card strong{display:block;font-size:18px;margin-bottom:8px}.card span{color:var(--muted);font-size:14px;line-height:1.7}
h2{font-size:26px;margin:52px 0 18px}.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:16px;overflow:hidden}.features div{background:#0c1116;padding:20px}.features b{display:block;margin-bottom:6px}.features span{font-size:13px;color:var(--muted);line-height:1.7}
footer{margin-top:50px;padding-top:24px;border-top:1px solid var(--line);font-size:12px;color:#74808c;word-break:break-all;line-height:1.8}
@media(max-width:680px){main{padding-top:40px}.download{display:block}.download b{display:inline-block;margin-top:18px}.grid,.features{grid-template-columns:1fr}}