:root{
  --bg:#f7f8fb;--surface:#ffffff;--surface-soft:#f1f4f8;--text:#111318;--muted:#687083;
  --line:#e2e7ef;--accent:#ff6b00;--accent-strong:#e95d00;--blue:#2563eb;
  --shadow:0 18px 50px rgba(17,19,24,.08);--shadow-lg:0 26px 80px rgba(17,19,24,.12);
  --radius:20px;--radius-sm:14px;--max:1180px
}
[data-theme="dark"]{
  --bg:#0a0f1a;--surface:#111827;--surface-soft:#182235;--text:#f5f7fb;--muted:#a7b0c2;
  --line:#263247;--accent:#ff7a1a;--accent-strong:#ff934d;--blue:#60a5fa;
  --shadow:0 18px 50px rgba(0,0,0,.28);--shadow-lg:0 28px 90px rgba(0,0,0,.36)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:var(--bg);color:var(--text);line-height:1.6
}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
img{max-width:100%}
.container{width:min(var(--max),calc(100% - 32px));margin:auto}
.site-header{
  position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--bg) 86%,transparent);
  backdrop-filter:blur(18px);border-bottom:1px solid color-mix(in srgb,var(--line) 75%,transparent)
}
.header-inner{display:flex;justify-content:space-between;align-items:center;padding:16px 0}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;letter-spacing:-.02em}
.brand-mark{
  display:grid;place-items:center;width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--accent),#ff9a3c);color:#fff;font-size:.9rem;box-shadow:0 10px 24px rgba(255,107,0,.25)
}
.brand-text{font-size:1.08rem}
.header-actions{display:flex;align-items:center;gap:12px}
.nav{display:flex;gap:20px;align-items:center}
.nav a{font-weight:700;color:var(--muted)}
.nav a:hover{color:var(--text)}
.icon-button{
  width:42px;height:42px;border:1px solid var(--line);background:var(--surface);color:var(--text);
  border-radius:12px;cursor:pointer;box-shadow:var(--shadow)
}
.hero{padding:92px 0 60px}
.hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:42px;align-items:center}
.eyebrow{font-size:.75rem;letter-spacing:.16em;font-weight:900;color:var(--accent)}
.hero h1{font-size:clamp(3rem,7vw,6.2rem);line-height:.98;letter-spacing:-.06em;margin:12px 0 20px;max-width:900px}
.hero p{font-size:1.14rem;color:var(--muted);max-width:720px;margin:0}
.hero-panel{
  background:linear-gradient(160deg,var(--surface),var(--surface-soft));border:1px solid var(--line);
  border-radius:28px;padding:26px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden
}
.hero-panel:before{
  content:"";position:absolute;width:220px;height:220px;border-radius:50%;background:rgba(255,107,0,.12);
  right:-70px;top:-80px;filter:blur(2px)
}
.hero-panel h3{margin:0 0 14px;font-size:1.15rem;position:relative}
.mini-list{display:grid;gap:10px;position:relative}
.mini-item{display:flex;justify-content:space-between;align-items:center;padding:13px 14px;background:var(--surface);border:1px solid var(--line);border-radius:13px}
.mini-item span:last-child{color:var(--accent);font-weight:900}
.search-shell{
  margin-top:30px;display:flex;gap:10px;align-items:center;max-width:780px;padding:8px;background:var(--surface);
  border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
}
.search-shell input{flex:1;border:0;outline:0;background:transparent;color:var(--text);padding:13px 14px;font-size:1rem}
.search-shell .key{border:1px solid var(--line);border-bottom-width:2px;color:var(--muted);padding:3px 8px;border-radius:8px;font-size:.8rem}
.search-button{border:0;background:var(--accent);color:#fff;font-weight:900;padding:13px 18px;border-radius:12px;cursor:pointer}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.button{display:inline-flex;justify-content:center;align-items:center;padding:13px 18px;border-radius:12px;font-weight:900;border:1px solid transparent}
.primary{background:var(--accent);color:#fff}.primary:hover{background:var(--accent-strong)}
.secondary{background:var(--surface);border-color:var(--line)}
.trust-row{display:flex;gap:18px;flex-wrap:wrap;margin-top:26px;color:var(--muted);font-weight:700}
.section{padding:74px 0}
.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:24px}
.section h2{font-size:clamp(2rem,4.2vw,3.5rem);letter-spacing:-.045em;line-height:1.05;margin:6px 0}
.section-head p{max-width:560px;color:var(--muted);margin:0}
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);background:var(--surface);border:1px solid var(--line);
  border-radius:22px;overflow:hidden;box-shadow:var(--shadow)
}
.stat{padding:24px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:0}.stat strong{display:block;font-size:1.9rem}.stat span{color:var(--muted)}
.category-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.category-card,.tool-card,.info-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:.22s ease;position:relative;overflow:hidden
}
.category-card:hover,.tool-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 52%,var(--line))}
.category-icon,.tool-icon{font-size:1.8rem}
.category-card h3,.tool-card h3{margin:14px 0 7px}.category-card p,.tool-card p{color:var(--muted);margin:0}
.category-card .count{display:inline-flex;margin-top:18px;color:var(--accent);font-weight:900}
.tool-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tool-card{min-height:250px;display:flex;flex-direction:column}
.tool-card .tag{position:absolute;top:18px;right:18px;padding:5px 9px;border-radius:999px;background:var(--surface-soft);color:var(--muted);font-size:.72rem;font-weight:900}
.open-link{margin-top:auto;padding-top:22px;color:var(--accent);font-weight:900}
.empty-state{text-align:center;color:var(--muted);padding:32px}
.feature-band{
  display:grid;grid-template-columns:1fr 1fr;gap:32px;background:linear-gradient(135deg,var(--surface),var(--surface-soft));
  border:1px solid var(--line);border-radius:28px;padding:38px;box-shadow:var(--shadow)
}
.feature-list{display:grid;gap:14px}.feature-item{display:flex;gap:12px}.feature-bullet{width:28px;height:28px;border-radius:9px;display:grid;place-items:center;background:rgba(255,107,0,.12);color:var(--accent);font-weight:900}
.cta{
  margin:76px 0;background:#111318;color:#fff;border-radius:30px;padding:44px;display:flex;
  justify-content:space-between;gap:30px;align-items:center
}
.cta p{color:#c7ccd6;margin:6px 0 0}
footer{border-top:1px solid var(--line);padding:38px 0 50px;color:var(--muted)}
.footer-grid{display:grid;grid-template-columns:1.2fr repeat(3,.6fr);gap:28px}
.footer-col{display:flex;flex-direction:column;gap:9px}.footer-col strong{color:var(--text)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}
.tool-page{width:min(920px,calc(100% - 32px));margin:auto;padding:58px 0 90px}
.breadcrumb{color:var(--muted);font-weight:800}
.tool-page h1{font-size:clamp(2.5rem,6vw,4.5rem);line-height:1;letter-spacing:-.05em;margin:18px 0 10px}
.lead{color:var(--muted);font-size:1.12rem}
.panel{margin-top:30px;background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:28px;box-shadow:var(--shadow)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:7px}.field label{font-weight:900}
.field input,.field select,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:11px;background:var(--bg);color:var(--text);outline:none}
.field textarea{min-height:240px;resize:vertical;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.actions{display:flex;gap:10px;margin-top:18px;flex-wrap:wrap}
.result{margin-top:20px;background:var(--surface-soft);padding:20px;border-radius:14px}
.result strong{display:block;font-size:1.75rem}.error{color:#c62828}.success{color:#18864b}
.content-section{margin-top:34px}.content-section h2{font-size:1.65rem}.faq{display:grid;gap:12px}.faq details{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}.faq summary{font-weight:900;cursor:pointer}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-card{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:16px}
@media(max-width:960px){.hero-grid{grid-template-columns:1fr}.category-grid{grid-template-columns:repeat(2,1fr)}.tool-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}.feature-band{grid-template-columns:1fr}}
@media(max-width:680px){
  .nav a{display:none}.hero{padding-top:68px}.hero h1{font-size:3.2rem}.search-shell{align-items:stretch;flex-wrap:wrap}.search-shell input{min-width:0}.search-button{width:100%}
  .stats{grid-template-columns:1fr 1fr}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .category-grid,.tool-grid,.form-grid,.related-grid{grid-template-columns:1fr}.feature-band,.cta{padding:26px}.cta{align-items:flex-start;flex-direction:column}
  .footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column}
}