:root{
  --bg:#f4f6fb;
  --surface:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --brand:#e11d48;
  --brand2:#ef4444;
  --border:#e5e7eb;
  --shadow:0 10px 26px rgba(17,24,39,.10);
  --radius:14px;
}
*{box-sizing:border-box}
body{
  font-size:16.5px;
  line-height:1.55;

  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Helvetica Neue", sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,var(--bg),#fff 55%);
}
a{color:inherit;text-decoration:none}
a:hover{opacity:.92}
.container{width:min(1120px,92%);margin:0 auto}
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--border);
}
.header-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0}
.brand{display:flex;align-items:center;gap:10px}
.brand-badge{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 10px 18px rgba(225,29,72,.18);
}
.brand-link{font-weight:900;letter-spacing:.2px}
.brand-tag{color:var(--muted);font-size:12px}
.nav{display:flex;flex-wrap:wrap;gap:6px}
.nav a{
  color:var(--muted);
  font-weight:800;
  font-size:13px;
  padding:9px 10px;
  border-radius:12px;
}
.nav a:hover{background:#f3f4f6;color:var(--text)}
.hero{
  margin:18px 0;
  border-radius:18px;
  padding:34px 22px;
  background:linear-gradient(180deg,#fff,#fafafa);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  text-align:center;
}
.hero h1{margin:0 0 10px 0;font-size:42px;line-height:1.1}
.hero p{margin:0 auto;color:var(--muted);font-size:15px;max-width:78ch}
.hero-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;margin-top:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:12px 16px;border-radius:14px;border:1px solid var(--border);
  font-weight:900;cursor:pointer;transition:transform .06s ease, box-shadow .2s ease;
  background:#fff;color:var(--text);
}
.btn:active{transform:translateY(1px)}
.btn.primary{
  color:#fff;border-color:transparent;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  box-shadow:0 14px 24px rgba(225,29,72,.20);
}
.badges{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:14px}
.badge{
  font-size:12px;font-weight:900;color:var(--muted);
  padding:7px 10px;border-radius:999px;border:1px solid var(--border);background:#fff;
}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:16px}
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 8px 18px rgba(17,24,39,.07);
}
.span-8{grid-column:span 8}.span-4{grid-column:span 4}
@media (max-width:900px){
  .span-8,.span-4{grid-column:span 12}
  .hero h1{font-size:30px}
}
.tools-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width:900px){.tools-grid{grid-template-columns:1fr}}
.tool{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px;border:1px solid var(--border);border-radius:16px;background:#fff;
  box-shadow:0 10px 22px rgba(17,24,39,.06);
}
.tool:hover{box-shadow:0 14px 28px rgba(17,24,39,.10)}
.icon{
  width:40px;height:40px;border-radius:12px;
  background:#fff1f2;border:1px solid #ffe4e6;
  display:grid;place-items:center;flex:0 0 auto;
}
.icon svg{width:20px;height:20px;fill:var(--brand)}
.tool h3{margin:0;font-size:16px}
.tool p{margin:4px 0 0 0;color:var(--muted);font-size:14px}
.hr{height:1px;background:var(--border);margin:16px 0}
.muted{color:var(--muted)}
.small{font-size:12px;color:var(--muted)}
.dropzone{
  border:2px dashed #cbd5e1;border-radius:18px;background:#fafafa;padding:20px;text-align:center;
}
.dropzone.dragover{border-color:var(--brand);background:#fff1f2}
.dropzone input{display:none}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:center;justify-content:center}
.alert{
  border:1px solid var(--border);
  background:#fff;border-radius:16px;padding:12px 14px;
}
.success{border-color:#bbf7d0;background:#ecfdf5}
.error{border-color:#fecaca;background:#fef2f2}
.two-col{display:grid;grid-template-columns:1.15fr .85fr;gap:16px;align-items:start}
@media (max-width:900px){.two-col{grid-template-columns:1fr}}
.sidebar-card{position:sticky;top:86px}
.site-footer{margin-top:46px;border-top:1px solid var(--border);background:#fff}
.footer-row{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:18px 0;color:var(--muted)}
.footer-links{display:flex;gap:12px;flex-wrap:wrap}
.footer-links a{color:var(--muted);font-weight:800;font-size:13px}
.footer-links a:hover{color:var(--text)}

.tool-search{
  display:flex;justify-content:center;gap:10px;flex-wrap:wrap;
  margin-top:16px;
}
.tool-search input{
  width:min(560px, 92%);
  padding:12px 14px;
  border:1px solid var(--border);
  border-radius:14px;
  font-weight:900;
  outline:none;
  background:#fff;
}
.tool-search input:focus{border-color:var(--brand)}
.tool-search .hint{font-size:12px;color:var(--muted);width:100%;text-align:center;margin-top:6px}