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@media(min-width:1500px){.main{padding-top:48px}.hero{gap:48px}.hero-art{max-width:500px;justify-self:end;width:100%}}
@media(max-width:1180px){.shell{grid-template-columns:214px minmax(0,1fr)}.sidebar{padding:28px 14px}.main{padding-left:28px;padding-right:28px}.hero{gap:24px}.hero h1{font-size:3.3rem}.hero-art .micro-head{font-size:8px;padding:17px 14px 0}.steps{grid-template-columns:1fr 1fr}.step:nth-child(2){border-right:0}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}.card{padding:21px}.product-card{padding:0}.product-card .card-body{padding:20px}.color-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.lab{grid-template-columns:1fr}.lab-controls{max-width:none}}
@media(max-width:900px){.topbar{height:72px;padding:10px 20px;gap:14px}.brand img{width:48px;height:44px}.brand strong{font-size:11px}.brand small{font-size:10px}.top-search{width:min(300px,37vw)}.top-link{display:none}.menu-toggle{display:block}.shell{display:block}.sidebar{display:none;position:fixed;top:72px;left:0;width:285px;z-index:19;height:calc(100vh - 72px);box-shadow:20px 20px 60px #15211d30}.sidebar.is-open{display:block}.main{padding:30px 28px 0;max-width:900px}.hero h1{font-size:3.1rem}.hero{padding-top:0}.grid-3{gap:15px}.product-card .card-body{padding:18px}.product-card h3{font-size:16px}.product-card p{font-size:12px}.section-head{gap:20px}.section-head p{max-width:340px}.edu-notice{font-size:11px;margin-bottom:30px}.page-intro{margin-top:0}.hero-art .micro-head{font-size:8px}}
@media(max-width:640px){body{font-size:15px}.topbar{padding:9px 16px;gap:10px}.top-search{display:none}.brand img{width:47px}.brand strong{font-size:11px}.main{padding:24px 20px 0}.hero{grid-template-columns:1fr;gap:28px;padding-bottom:28px}.hero h1{font-size:2.9rem;max-width:520px}.hero-copy{padding:0}.hero-art{border-radius:18px}.hero-art svg{max-height:330px}.eyebrow{margin-bottom:16px;font-size:9px}.lead{font-size:15px}.btn-row{margin-top:21px}.btn{font-size:12px}.edu-notice{display:block;padding:13px 16px}.edu-notice b{display:block;margin-bottom:4px}.section{padding:30px 0}.section-head{display:block;margin-bottom:22px}.section-head h2{margin-bottom:12px}.section-head p{max-width:100%}.grid-3,.grid-2,.color-legend{grid-template-columns:1fr;gap:16px}.product-card{display:grid;grid-template-columns:108px minmax(0,1fr)}.product-card .product-image{height:auto;min-height:176px}.product-image img{width:105px;height:125px}.product-image.smart img{width:105px;height:auto;max-width:100%}.product-card .card-body{padding:19px 16px}.product-card h3{font-size:16px}.product-card .tag{font-size:8px;margin-bottom:7px}.product-card .meta{font-size:10px;margin-top:12px;padding-top:10px}.product-card a.card-link{margin-top:9px;font-size:12px}.product-intro{grid-template-columns:minmax(0,1fr) 82px;gap:18px}.product-intro .product-logo{border-radius:14px;padding:3px;align-self:start;margin-top:35px}.product-intro .product-logo.smart{padding:12px 0}.page-intro h1{font-size:2.4rem;margin-bottom:20px}.page-intro{margin-bottom:24px}.color-legend{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.color-legend .card{padding:17px 12px}.color-legend h3{font-size:13px}.color-legend p{font-size:11px}.steps{grid-template-columns:1fr 1fr}.step{padding:19px}.step h3{font-size:13px}.step p{font-size:11px}.filter-grid{grid-template-columns:1fr;gap:12px}.filter-box{padding:18px}.filter-meta{align-items:start;flex-direction:column}.parameter summary{padding:16px 39px 16px 16px;align-items:start;flex-direction:column;gap:7px}.parameter summary .default{max-width:100%;text-align:left}.parameter summary code{font-size:12px}.parameter-body{padding:0 16px 18px;font-size:13px}.color-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.glossary{grid-template-columns:1fr}.lab{gap:16px}.lab-controls,.lab-output{padding:19px}.lab-controls .grid-2{grid-template-columns:1fr 1fr;gap:10px}.lab-stats strong{font-size:17px}.lab-stats span{font-size:9px}.table-wrap{margin:18px 0}td,th{padding:13px 14px;min-width:135px;font-size:12px}.banner{display:block;padding:24px}.banner .btn{margin-top:20px}.footer-main{display:block}.socials{margin-top:22px;gap:17px}.footer-bottom{flex-direction:column;gap:6px}.mini-toc{gap:7px}.mini-toc a{font-size:10px}.mobile-only{display:block}.breadcrumbs{font-size:10px;margin-bottom:19px}.diagram{padding:14px}.formula{font-size:11px}.note{font-size:13px;padding:17px}.top-actions{gap:0}}
@media(max-width:380px){.product-intro{grid-template-columns:minmax(0,1fr) 62px;gap:12px}.page-intro h1{font-size:2.1rem}.hero h1{font-size:2.6rem}.product-card{grid-template-columns:90px minmax(0,1fr)}.product-image img,.product-image.smart img{width:88px}.brand small{font-size:9px}.brand strong{font-size:10px}.color-legend .card{padding:14px 9px}.color-legend h3{font-size:12px}.lab-controls .grid-2{grid-template-columns:1fr}.topbar{gap:8px}.step{padding:16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
/* Cabeçalho com links externos e altura adaptável. */
@media screen{
  html{scroll-padding-top:calc(var(--header-height,82px) + 20px)}
  .topbar{height:auto;min-height:82px;flex-wrap:wrap;gap:14px}
  .top-search{flex:1 1 160px;max-width:320px;width:auto}
  .top-actions{flex:0 0 auto;gap:7px;max-width:100%}
  .top-actions .top-link{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:8px 10px;border:1px solid #52686f;border-radius:7px;font-size:11px;line-height:1.35;white-space:nowrap}
  .top-actions .top-link:hover{background:#1a2b2e;border-color:#8ef69d;color:#8ef69d}
  .sidebar{top:var(--header-height,82px);height:calc(100vh - var(--header-height,82px));height:calc(100dvh - var(--header-height,82px))}
}
@media screen and (max-width:1000px){.top-search{display:none}}
@media screen and (max-width:900px){.topbar{min-height:72px}.top-actions{margin-left:auto}}
@media screen and (max-width:760px){
  :root{--header-height:118px}
  .topbar{padding:10px 16px}
  .brand{flex:1 1 100%;padding-right:70px}
  .top-actions{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}
  .top-actions .top-link{min-height:40px;padding:7px 6px;font-size:11px;line-height:1.25;white-space:normal;text-align:center}
  .menu-toggle{position:absolute;top:15px;right:16px}
}
/* Tema escuro da marca. A impressão mantém a apresentação clara. */
@media screen{
  :root{color-scheme:dark;--bg:#080c0d;--paper:#10191b;--ink:#eff4f3;--muted:#b5c1c3;--line:#29373b;--green:#8ef69d;--lime:#8ef69d;--dark:#0c1416;--blue:#8cc7ff;--red:#ff9d9a;--gold:#edc878;--teal:#89d9d9;--shadow:0 12px 38px #00000024}
  body{background:var(--bg);color:var(--ink)}
  ::selection{background:#8ef69d;color:#08150d}
  code{background:#1b2b2b;color:#d0e8db}
  .skip{background:var(--paper);border:1px solid var(--line)}
  .topbar{background:#080c0df2}
  .brand img{background:transparent;border-radius:0;padding:0}
  .top-search input,.menu-toggle{color:var(--ink)}
  input::placeholder{color:#99a9ae;opacity:1}
  .nav-label,.parameter .category,.source-tag,.section .num{color:#a6b6ba}
  .sidebar a{color:#c0ccce}
  .sidebar a:hover{background:#162326;color:var(--ink)}
  .sidebar a[aria-current=page]{background:#182e23;color:var(--green)}
  .nav-num{opacity:.8}
  .hero-art,.diagram{border-color:var(--line)}
  .art-caption{background:#13211d;border-color:var(--line);color:#baccc4}
  .art-caption strong{color:var(--ink)}
  .btn{color:#08150d}
  .btn:hover{background:#b2ffbc;border-color:#b2ffbc}
  .btn.secondary{color:var(--ink);border-color:#52686f}
  .btn.secondary:hover{background:#1a2b2e;border-color:#7c949b}
  .btn.light{color:#08150d}
  .edu-notice{background:#111e1a;border-color:#304c3d;border-left-color:var(--green);color:#bacdc2}
  .edu-notice b{color:var(--green)}
  .steps,.checklist label,.filter-box,.parameter,.lab-controls,.swatch{background:var(--paper)}
  .pill{background:#1c3025;color:#b8efc1}
  .pill.blue{background:#152b3a;color:#a3d6ff}
  .pill.gold{background:#302a19;color:#f0d38b}
  .note{background:#14271d;color:#c4dfcb}
  .note.warning{background:#2a2418;color:#f0dba3}
  th{background:#18262a;color:#d1e2dc}
  tbody tr:hover{background:#17262a}
  .article>p,.article>ul,.article>ol,.parameter-body{color:#c0ccce}
  .flow-list>div::before{background:#1e3528;color:var(--green)}
  .checklist label:has(input:checked){background:#163022;color:#c4ebcc}
  .progress-track{background:#29373b}
  .field input,.field select{background:#0c1416;border-color:#52686f;color:var(--ink)}
  .field select option{background:#10191b;color:var(--ink)}
  .parameter summary .default{background:#1e3025;color:#cae3ca}
  .empty-state{border-color:#52686f}
  .lab-output{border:1px solid var(--line)}
  .lab-stats{border-color:var(--line)}
  .error{background:#341d1c;color:#ffb9ad}
  .formula{background:#142620;color:#cce9d3}
  .swatch span{border-color:#8c9b9c}
  .socials a{color:#c2e1ca}
  .footer-disclaimer,.footer-bottom{color:#abbabd}
  .mini-toc a{background:#1a2b23;color:#c6e5cd}
  .mini-toc a:hover{background:#264432}
  .notice-version{background:#192624;color:#c2d0cc}
  .banner{border:1px solid var(--line);color:var(--ink)}
  .banner p{color:var(--muted)}
  .banner .btn.secondary{color:var(--ink);border-color:#52686f}
  .banner .btn.secondary:hover{background:#1a2b2e}
  .danger-mark{color:#ffaba2}
  .sidebar.is-open{box-shadow:20px 20px 60px #00000080}
}
@media print{:root{color-scheme:light}html{scroll-behavior:auto}body{font:11pt/1.5 Arial,sans-serif;background:white;color:#111}.topbar,.sidebar,.breadcrumbs,.btn-row,.mini-toc,.filter-box,.filter-meta,.print-btn,.top-actions,.btn,.lab-controls,.checklist input{display:none!important}.shell{display:block}.main{max-width:none;padding:0}.hero,.product-intro,.grid-3,.grid-2,.lab{display:block}.hero h1,h1{font-size:28pt}h2{font-size:19pt}h3{font-size:13pt}.hero-art{max-width:450px}.product-logo{display:none}.card,.parameter,.note,.diagram,.lab-output{break-inside:avoid;box-shadow:none;margin-bottom:12px}.section{padding:20px 0}.edu-notice{background:white;border:1px solid #888;color:#222;font-size:9pt}.footer{margin-top:20px}.footer-disclaimer{font-size:8pt;color:#333}.parameter-body{display:block!important}.parameter summary::after{display:none}.parameter summary{display:block;padding:12px}.parameter summary .default{margin-left:12px}.parameter-list{display:block}.table-wrap{overflow:visible}td,th{font-size:9pt;padding:9px;min-width:0}.color-grid{grid-template-columns:repeat(4,1fr)}.note,.notice-version{color:#222}.footer a{color:#333}.footer-main{display:block}.socials{margin-top:10px}.footer-bottom{font-size:8pt}.lab-output{-webkit-print-color-adjust:exact;print-color-adjust:exact}.hero-art,.diagram{print-color-adjust:exact}.source-list a{overflow-wrap:anywhere}.checklist label{padding:7px}.color-legend{grid-template-columns:repeat(3,1fr)}.steps{grid-template-columns:repeat(4,1fr)}}