:root{
  --bg:#05070e; --bg2:#0c1222; --card:rgba(16,22,40,.75); --ink:#f1f5f9; --muted:#94a3b8;
  --line:rgba(148,163,184,.12); --blue:#60a5fa; --blue2:#a78bfa; --good:#34d399; --bad:#f87171;
  --shadow:0 25px 50px -12px rgba(0,0,0,.5); --radius:28px; --glass:rgba(15,23,42,.6);
}
[data-theme="light"]{
  --bg:#f8fafc; --bg2:#eef2ff; --card:rgba(255,255,255,.85); --ink:#0f172a; --muted:#64748b;
  --line:rgba(148,163,184,.2); --shadow:0 20px 40px rgba(15,23,42,.08);
}
*{box-sizing:border-box} html,body{margin:0;scroll-behavior:smooth}
body{
  font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:radial-gradient(ellipse at top left, rgba(96,165,250,.15), transparent 40%),
             radial-gradient(ellipse at top right, rgba(167,139,250,.12), transparent 40%),
             var(--bg);
  color:var(--ink); min-height:100vh; line-height:1.65;
}
a{color:inherit;text-decoration:none} img{max-width:100%;height:auto}
.container{width:min(1200px,calc(100% - 32px));margin:0 auto}
.header{position:sticky;top:0;z-index:50;backdrop-filter:blur(24px);background:var(--glass);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;gap:16px;min-height:80px}
.logo{font-weight:800;font-size:24px;letter-spacing:-.04em;background:linear-gradient(135deg,var(--blue),var(--blue2));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav{margin-left:auto;display:flex;gap:22px;align-items:center;font-size:15px;font-weight:500}
.nav a{color:var(--muted);transition:.2s}
.nav a.active,.nav a:hover{color:var(--ink)}
.hero{padding:80px 0 40px;text-align:center}
.hero h1{font-size:clamp(40px,8vw,76px);letter-spacing:-.05em;margin:12px 0 16px;line-height:.92;font-weight:800}
.hero p{max-width:760px;margin:0 auto 28px;color:var(--muted);font-size:19px}
.search{display:flex;gap:8px;max-width:740px;margin:0 auto;padding:12px;border:1px solid var(--line);border-radius:24px;background:var(--card);box-shadow:var(--shadow)}
.search input{flex:1;border:0;outline:0;background:transparent;color:var(--ink);font-size:16px;padding:12px 16px}
.btn{border:0;border-radius:16px;padding:14px 22px;background:linear-gradient(135deg,var(--blue),var(--blue2));color:#fff;font-weight:700;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(96,165,250,.3)}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.chip{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:var(--card);border-radius:999px;padding:8px 14px;font-size:13px;color:var(--muted);margin-bottom:12px}
.section{padding:24px 0 12px}
.section h2{font-size:22px;margin-bottom:12px;letter-spacing:-.03em}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 10px;box-shadow:0 8px 20px rgba(0,0,0,.25);transition:.2s;backdrop-filter:blur(12px);text-align:center}
.card:hover{transform:translateY(-2px);border-color:var(--blue)}
.card h3{margin:8px 0 4px;font-size:13.5px;font-weight:600}
.card p{margin:0;color:var(--muted);font-size:11.5px;line-height:1.35}
.tool-thumb{width:40px;height:40px;border-radius:10px;object-fit:cover;background:#e2e8f0;display:block;margin:0 auto 8px}
.tool-wrap{padding:40px 0 70px}
.tool-layout{display:grid;grid-template-columns:1.5fr .5fr;gap:24px}
.drop{border:2px dashed var(--line);border-radius:22px;padding:40px;text-align:center;color:var(--muted);background:rgba(255,255,255,.03);margin-bottom:16px;cursor:pointer;transition:.2s}
.drop.over,.drop:hover{border-color:var(--blue);background:rgba(96,165,250,.08)}
.preview-img{max-width:100%;max-height:420px;border-radius:20px;border:1px solid var(--line);margin-top:16px}
.ad-slot{margin:20px auto;text-align:center;min-height:90px;background:rgba(255,255,255,.03);border:1px dashed var(--line);border-radius:16px;display:grid;place-items:center;color:var(--muted);font-size:13px}
.footer{margin-top:70px;background:#020617;color:#cbd5e1;padding:56px 0}
.footer a{color:#fff}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:28px}
@media(max-width:900px){
  .nav a:not(.logo){display:none}
  .tool-layout,.footer-grid{grid-template-columns:1fr}
  .hero{padding:50px 0 24px}
  .hero h1{font-size:clamp(32px,9vw,48px)}
}
.related{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.related a{background:var(--bg2);padding:8px 14px;border-radius:999px;font-size:13.5px;border:1px solid var(--line)}
.faq{margin:12px 0;padding:12px 0;border-bottom:1px solid var(--line)}
.faq strong{display:block;margin-bottom:4px}