:root{--bg:#0e1116;--panel:#161b22;--border:#262d38;--fg:#e6edf3;--muted:#9aa7b4;--accent:#6ea8fe;--ok:#3fb950}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased;font:16px/1.65 -apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,Roboto,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.wrap{max-width:760px;margin:0 auto;padding:0 20px 80px}header.site{border-bottom:1px solid var(--border);margin-bottom:40px}header.site .bar{flex-wrap:wrap;align-items:center;gap:18px;max-width:760px;margin:0 auto;padding:14px 20px;display:flex}header.site .brand{color:var(--fg);font-weight:650}header.site nav{gap:16px;margin-left:auto;font-size:14px;display:flex}header.site nav a{color:var(--muted)}h1{letter-spacing:-.01em;margin:8px 0 12px;font-size:30px;line-height:1.25}h2{margin:34px 0 10px;font-size:20px}h3{margin:22px 0 6px;font-size:16px}p,li{color:var(--fg)}.muted{color:var(--muted)}ul{padding-left:20px}li{margin:6px 0}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;margin:22px 0;padding:20px 22px}.price{font-size:34px;font-weight:680}.price small{color:var(--muted);font-size:15px;font-weight:400}button.buy{appearance:none;cursor:pointer;background:var(--accent);color:#08111f;border:0;border-radius:9px;padding:12px 22px;font-size:16px;font-weight:650}button.buy:disabled{opacity:.45;cursor:progress}button.buy:hover:not(:disabled){filter:brightness(1.06)}.notice{color:var(--muted);border-left:2px solid var(--border);margin-top:18px;padding-left:12px;font-size:13px}table{border-collapse:collapse;width:100%;margin:12px 0}th,td{text-align:left;border-bottom:1px solid var(--border);padding:9px 10px;font-size:15px}th{color:var(--muted);font-weight:500}code{background:#1c222b;border-radius:4px;padding:1px 5px;font-size:14px}footer.site{border-top:1px solid var(--border);color:var(--muted);margin-top:56px;padding-top:18px;font-size:13px}