:root{
    --graphite:#1c5f8c;--graphite-deep:#123f63;--graphite-soft:#6a7682;--steel:#1c5f8c;--sky:#1ca0db;
    --ink:#222e38;--muted:#5f6b76;--muted-2:#97a0aa;--line:#e6e8eb;--line-2:#d6dadf;
    --paper:#fff;--grey:#f5f6f7;--grey-2:#eceef0;--tint:#f4f5f6;--card:#fff;
    --radius:14px;--shadow:0 6px 22px rgba(28,34,40,.07);--shadow-lg:0 18px 48px rgba(28,34,40,.13);
    --maxw:1340px;--font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  }
  *{box-sizing:border-box;}
  body{margin:0;font-family:var(--font);color:var(--ink);background:var(--paper);line-height:1.6;-webkit-font-smoothing:antialiased;}
  h1,h2,h3,h4{line-height:1.16;margin:0 0 .5em;letter-spacing:-.02em;font-weight:600;color:var(--graphite-deep);}
  p{margin:0 0 1rem;} a{color:inherit;text-decoration:none;} img{max-width:100%;display:block;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;font-weight:700;font-size:1rem;padding:14px 26px;border-radius:11px;cursor:pointer;border:2px solid transparent;transition:transform .15s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease;white-space:nowrap;}
  .btn-primary{background:var(--graphite-deep);color:#fff;box-shadow:0 8px 20px rgba(18,63,99,.26);}
  .btn-primary:hover{background:var(--graphite);transform:translateY(-2px);}
  .btn-sm{padding:11px 18px;font-size:.92rem;}

  header.site{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);backdrop-filter:saturate(120%) blur(6px);border-bottom:1px solid var(--line);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:80px;}
  .brand .logo{height:56px;width:auto;display:block;}
  .nav-links{display:flex;align-items:center;gap:30px;}
  .nav-links a{color:var(--ink);font-weight:600;font-size:.95rem;}
  .nav-links a:hover{color:var(--graphite-deep);}
  @media(max-width:860px){.nav-links{display:none;}}

  .cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:70px 0;text-align:center;
    background-color:#eef3f7;background-image:url('../../../assets/img/categories/animal-feed-and-nutrition-chemicals.jpg');background-size:cover;background-position:center;background-repeat:no-repeat;}
  .cat-hero::before{content:"";position:absolute;inset:0;background:rgba(16,30,44,.55);z-index:1;}
  .cat-hero .wrap{position:relative;z-index:2;}
  .cat-hero h1{color:#fff;} .cat-hero .count{color:rgba(255,255,255,.85);}
  .cat-hero .crumbs{color:rgba(255,255,255,.82);} .cat-hero .crumbs a{color:#fff;} .cat-hero .crumbs a:hover{text-decoration:underline;}
  .crumbs{font-size:.86rem;color:var(--muted);margin-bottom:16px;}
  .crumbs a:hover{color:var(--graphite);}
  .crumbs .back{cursor:pointer;}
  .cat-hero h1{font-size:clamp(1.9rem,3.6vw,2.6rem);}
  .cat-hero p{color:rgba(255,255,255,.92);max-width:76ch;font-size:1.06rem;margin:0 auto;}

  .cards{padding:38px 0 80px;}
  .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
  @media(max-width:1080px){.grid{grid-template-columns:repeat(3,1fr);}}
  @media(max-width:740px){.grid{grid-template-columns:repeat(2,1fr);}}
  @media(max-width:480px){.grid{grid-template-columns:1fr;}}
  .gcard{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
    padding:24px 22px;box-shadow:var(--shadow);transition:transform .16s ease,box-shadow .2s ease,border-color .2s ease;min-height:172px;}
  .gcard:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:#cfe6f5;}
  .gicon{width:46px;height:46px;border-radius:12px;background:#e8f3fb;border:1px solid #cfe6f5;color:var(--graphite-deep);display:grid;place-items:center;margin-bottom:15px;}
  .gcard h3{font-size:1.02rem;margin:0 0 6px;line-height:1.28;}
  .gcard .gcount{color:var(--muted);font-size:.9rem;}
  .gcard .gview{margin-top:auto;padding-top:14px;font-weight:700;color:var(--graphite-deep);font-size:.9rem;display:inline-flex;align-items:center;gap:6px;}
  .gcard:hover .gview{color:var(--graphite);}

  .gbody{padding:36px 0 70px;}
  .tbl-wrap{border:1px solid var(--line);border-radius:12px;overflow:hidden;background:#fff;box-shadow:var(--shadow);}
  table.cat{width:100%;border-collapse:collapse;background:#fff;}
  .cat thead th{background:var(--graphite-deep);color:#fff;font-weight:600;font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;padding:15px 18px;text-align:left;border-right:1px solid rgba(255,255,255,.18);}
  .cat td{padding:14px 18px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);vertical-align:top;font-size:.92rem;}
  .cat th:last-child,.cat td:last-child{border-right:0;}
  .cat tbody tr:last-child td{border-bottom:0;}
  .cat tbody tr:hover{background:#f6f9fc;}
  .cat td.name{font-weight:700;color:var(--graphite-deep);}
  .cat td.cas{font-variant-numeric:tabular-nums;color:var(--muted);}
  .cat td.fn{color:var(--ink);}
  .cat td.app{color:var(--muted);}
  .cat th:nth-child(1),.cat td.name{width:19%;}
  .cat th:nth-child(2),.cat td.cas{width:13%;}
  .cat th:nth-child(4),.cat td.app{width:27%;}
  @media(max-width:820px){
    .cat thead{display:none;}
    .cat,.cat tbody,.cat tr,.cat td{display:block;width:100%;}
    .cat tbody tr{border-bottom:1px solid var(--line);padding:10px 4px;}
    .cat td{border:0;padding:3px 18px;}
    .cat td.name{padding-top:10px;font-size:1.04rem;}
    .cat td.cas::before{content:"CAS: ";color:var(--muted-2);font-weight:600;}
    .cat td.fn::before{content:"Primary function: ";color:var(--muted-2);font-weight:600;}
    .cat td.app::before{content:"Applications: ";color:var(--muted-2);font-weight:600;}
    .cat td.app{padding-bottom:12px;}
  }
  .cta-bar{margin-top:30px;display:flex;gap:14px;flex-wrap:wrap;align-items:center;background:var(--tint);border:1px solid var(--line);border-radius:var(--radius);padding:24px 26px;}
  .cta-bar p{margin:0;color:var(--muted);font-size:.96rem;flex:1;min-width:220px;}
  .cta-bar p b{color:var(--graphite-deep);font-weight:600;}
  .backlink{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:var(--graphite-deep);font-size:.92rem;margin-bottom:20px;cursor:pointer;}
  .backlink:hover{color:var(--graphite);}

  footer.site{background:var(--graphite-deep);color:#b7bcc1;padding:62px 0 30px;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px;}
  .foot-brand .flogo{height:80px;width:auto;margin-bottom:16px;}
  .foot-brand p{font-size:.9rem;color:#9aa0a6;max-width:34ch;}
  .foot-col h4{color:#fff;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;margin-bottom:16px;}
  .foot-col ul{list-style:none;padding:0;margin:0;}
  .foot-col li{margin-bottom:11px;}
  .foot-col a{font-size:.92rem;color:#b7bcc1;}
  .foot-col a:hover{color:#fff;}
  .foot-contact a{display:flex;align-items:center;gap:10px;font-size:.92rem;margin-bottom:12px;color:#cfd3d7;font-weight:600;}
  .foot-contact a:hover{color:#fff;}
  .foot-contact .ic{color:#fff;flex:0 0 auto;opacity:.85;}
  .foot-bottom{border-top:1px solid #3e444a;margin-top:46px;padding-top:22px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.82rem;color:#878d93;}
  .foot-bottom a{color:#878d93;}.foot-bottom a:hover{color:#fff;}
  @media(max-width:980px){.foot-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:600px){.foot-grid{grid-template-columns:1fr;}.foot-bottom{flex-direction:column;}}