/* KingFlow 站点 · 深色「开发者控制台」主题（区别于 yemao-dev 浅色站）*/
:root{
  --bg:#0a0e1a; --bg2:#0f1626; --panel:#121a2e; --panel2:#16203a;
  --fg:#e6ebf5; --muted:#8a96b3; --dim:#5d6b8a;
  --line:#1e2942; --line2:#28365a;
  --accent:#22d3ee; --accent2:#3b82f6; --accent3:#8b5cf6;
  --code:#0b1322; --codefg:#cfe3ff;
  --maxw:880px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-size:16.5px;line-height:1.78;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  color:var(--fg);
  background:
    radial-gradient(1100px 600px at 78% -8%, rgba(34,211,238,.10), transparent 60%),
    radial-gradient(900px 520px at 8% 4%, rgba(139,92,246,.10), transparent 55%),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
main{max-width:var(--maxw);margin:0 auto;padding:40px 22px 64px}

/* header */
.site-header{
  position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:20px;flex-wrap:wrap;
  padding:14px 22px;border-bottom:1px solid var(--line);
  background:rgba(10,14,26,.72);backdrop-filter:saturate(160%) blur(12px);
}
.brand{font-weight:800;font-size:21px;letter-spacing:-.02em;color:var(--fg)}
.brand span{background:linear-gradient(90deg,var(--accent),var(--accent2));-webkit-background-clip:text;background-clip:text;color:transparent}
.topnav{display:flex;gap:18px;flex-wrap:wrap;flex:1;font-size:14px}
.topnav a{color:var(--muted);transition:color .15s}
.topnav a.active,.topnav a:hover{color:var(--fg);text-decoration:none}
.cta{
  font-size:14px;font-weight:700;padding:8px 16px;border-radius:10px;color:#04121b!important;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 6px 20px rgba(34,211,238,.25);transition:.18s;
}
.cta:hover{text-decoration:none;transform:translateY(-1px);box-shadow:0 10px 28px rgba(34,211,238,.38)}

/* hero */
.hero{text-align:center;padding:64px 0 36px;position:relative}
.hero h1{
  font-size:42px;line-height:1.22;letter-spacing:-.02em;margin:.1em 0;font-weight:850;
  background:linear-gradient(180deg,#ffffff,#aab8d8);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{color:var(--muted);font-size:19px;max-width:660px;margin:18px auto 30px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{
  display:inline-block;padding:13px 26px;border-radius:12px;font-weight:700;font-size:15px;
  color:var(--fg);border:1px solid var(--line2);background:var(--panel);transition:.18s;
}
.btn:hover{text-decoration:none;border-color:var(--accent);transform:translateY(-2px)}
.btn.primary{
  border:0;color:#04121b;background:linear-gradient(135deg,var(--accent),var(--accent2));
  box-shadow:0 10px 30px rgba(34,211,238,.30);
}
.btn.primary:hover{box-shadow:0 14px 40px rgba(34,211,238,.45)}

/* cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px;margin-top:24px}
.card{
  display:block;padding:22px;border-radius:16px;color:var(--fg);position:relative;overflow:hidden;
  background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);transition:.18s;
}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:2px;background:linear-gradient(90deg,var(--accent),var(--accent3));opacity:0;transition:.18s}
.card:hover{text-decoration:none;transform:translateY(-4px);border-color:var(--line2);box-shadow:0 18px 44px rgba(0,0,0,.45)}
.card:hover::before{opacity:1}
.card h3{margin:0 0 10px;font-size:18.5px;letter-spacing:-.01em}
.card p{margin:0 0 14px;color:var(--muted);font-size:14px}
.card .more{color:var(--accent);font-weight:700;font-size:14px}

/* article */
.post h1{
  font-size:33px;line-height:1.3;letter-spacing:-.02em;margin:.1em 0 .7em;font-weight:850;padding-bottom:.5em;
  border-bottom:1px solid var(--line);
}
.post h2{font-size:24px;margin:1.7em 0 .55em;font-weight:780;letter-spacing:-.01em}
.post h2::before{content:"";display:inline-block;width:4px;height:.95em;border-radius:3px;margin-right:.5em;vertical-align:-1px;background:linear-gradient(180deg,var(--accent),var(--accent2))}
.post h3{font-size:19.5px;margin:1.35em 0 .45em;color:#dbe4f7;font-weight:720}
.post p,.post li{font-size:16.5px;color:#d4dcf0}
.post strong{color:#fff}
.post img{max-width:100%;height:auto;border-radius:10px}
.post hr{border:0;border-top:1px solid var(--line);margin:2.2em 0}
.post blockquote{margin:1.3em 0;padding:.7em 1.1em;border-left:3px solid var(--accent);
  background:linear-gradient(90deg,rgba(34,211,238,.08),transparent);color:#cdd7ee;border-radius:0 10px 10px 0}
.post a{font-weight:600;border-bottom:1px solid rgba(34,211,238,.35)}
.post a:hover{text-decoration:none;border-bottom-color:var(--accent)}
.post code{background:#13203a;color:#a9d6ff;padding:.16em .45em;border-radius:6px;font-size:.9em;border:1px solid var(--line);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
.post pre{background:var(--code);color:var(--codefg);padding:18px 20px;border-radius:12px;overflow:auto;
  font-size:14px;line-height:1.65;border:1px solid var(--line2);box-shadow:inset 0 1px 0 rgba(255,255,255,.03)}
.post pre code{background:transparent;padding:0;border:0;color:inherit}
.post table{border-collapse:separate;border-spacing:0;width:100%;margin:1.4em 0;font-size:14.5px;display:block;overflow-x:auto;
  border:1px solid var(--line);border-radius:12px}
.post th,.post td{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:11px 14px;text-align:left}
.post tr td:last-child,.post tr th:last-child{border-right:0}
.post tbody tr:last-child td{border-bottom:0}
.post th{background:#13203a;color:#e9eefb;font-weight:700}
.post tbody tr:nth-child(even) td{background:rgba(255,255,255,.018)}
.post p img[src*="shields.io"]{display:inline-block;vertical-align:middle;margin:3px}

/* footer */
.site-footer{border-top:1px solid var(--line);padding:34px 22px;text-align:center;color:var(--muted);font-size:14px;
  background:linear-gradient(180deg,transparent,rgba(34,211,238,.04))}
.site-footer p{margin:7px 0}
.site-footer a{color:var(--accent)}
.site-footer .muted{color:var(--dim);font-size:13px}

@media(max-width:560px){
  .hero{padding:40px 0 24px}.hero h1{font-size:30px}.lead{font-size:17px}
  .post h1{font-size:26px}.post h2{font-size:21px}main{padding:28px 18px 48px}
  .topnav{order:3;width:100%}
}