:root{
  --canvas:#f7f7f4;--canvas-soft:#fafaf7;--surface-card:#ffffff;--surface-strong:#e6e5e0;
  --hairline:#e6e5e0;--hairline-soft:#efeee8;--hairline-strong:#cfcdc4;
  --ink:#26251e;--body:#5a5852;--muted:#807d72;--muted-soft:#a09c92;--on-primary:#ffffff;
  --primary:#f54e00;--primary-active:#d04200;
  --t-thinking:#dfa88f;--t-grep:#9fc9a2;--t-read:#9fbbe0;--t-edit:#c0a8dd;--t-done:#c08532;
  --success:#1f8a65;--error:#cf2d56;
  --r-xs:4px;--r-sm:6px;--r-md:8px;--r-lg:12px;--r-xl:16px;--r-pill:9999px;
  --sans:"Inter",system-ui,"Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);background:var(--canvas);color:var(--body);font-size:16px;line-height:1.5;letter-spacing:-0.15px;-webkit-font-smoothing:antialiased}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{color:var(--ink);font-weight:400;letter-spacing:-0.02em;line-height:1.2}
h2{font-size:36px;letter-spacing:-0.72px}
h3{font-size:22px;letter-spacing:-0.11px}
p{margin-bottom:16px}
section{padding:80px 0}

.topnav{background:var(--canvas);border-bottom:1px solid var(--hairline);position:sticky;top:0;z-index:50}
.topnav-inner{height:64px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:600;font-size:18px}
.brand-mark{color:var(--primary);font-size:20px;line-height:1}
.nav-menu{display:flex;gap:8px;align-items:center}
.nav-link{font-size:14px;font-weight:500;color:var(--body);padding:8px 12px;border-radius:var(--r-md)}
.nav-link:hover{color:var(--ink);background:var(--hairline-soft)}
.nav-link.is-active{color:var(--ink);background:var(--surface-strong)}
.nav-toggle{display:none;background:none;border:none;font-size:22px;color:var(--ink);cursor:pointer}

.hero{padding:88px 0 64px;border-bottom:1px solid var(--hairline)}
.hero-grid{display:grid;grid-template-columns:1.05fr 0.95fr;gap:48px;align-items:center}
.badge-pill{display:inline-block;background:var(--surface-strong);color:var(--ink);font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;border-radius:var(--r-pill);padding:4px 10px;margin-bottom:20px}
.hero h1{font-size:72px;letter-spacing:-2.16px;line-height:1.1;margin-bottom:20px}
.hero-sub{font-size:18px;color:var(--body);max-width:48ch;margin-bottom:24px}
.hero-meta{font-size:13px;color:var(--muted)}
.hero-figure{border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;background:var(--surface-card)}
.hero-figure img{width:100%;height:380px;object-fit:cover}
.hero-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}

.section-label{font-size:11px;font-weight:600;letter-spacing:0.88px;text-transform:uppercase;color:var(--muted);margin-bottom:12px}
.section-head{margin-bottom:32px;max-width:62ch}
.section-head p{font-size:16px;color:var(--body);margin-top:12px}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;display:flex;flex-direction:column}
.feature-card img{width:100%;height:180px;object-fit:cover;border-bottom:1px solid var(--hairline)}
.feature-card-body{padding:24px;display:flex;flex-direction:column;gap:8px;flex:1}
.feature-card h3{font-size:22px}
.feature-card p{color:var(--body);font-size:15px;margin:0;flex:1}
.card-readlink{font-size:14px;font-weight:500;color:var(--primary);margin-top:8px}

.band-soft{background:var(--canvas-soft);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}
.facts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
.fact{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px}
.fact h3{font-size:18px;font-weight:600;margin-bottom:8px}
.fact p{font-size:15px;margin:0;color:var(--body)}

.article-wrap{max-width:760px;margin:0 auto}
.article-head{padding:72px 0 32px;border-bottom:1px solid var(--hairline)}
.article-head h1{font-size:44px;letter-spacing:-1.2px;line-height:1.15;margin:16px 0 12px;color:var(--ink);font-weight:400}
.article-meta{font-size:13px;color:var(--muted)}
.article-figure{border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;margin:32px 0;background:var(--surface-card)}
.article-figure img{width:100%;height:360px;object-fit:cover}
.article-figure figcaption{font-size:13px;color:var(--muted);padding:12px 16px;border-top:1px solid var(--hairline)}
.article-body h2{font-size:26px;letter-spacing:-0.325px;margin:36px 0 12px}
.article-body h3{font-size:20px;margin:24px 0 8px}
.article-body p{color:var(--body)}
.article-body ul,.article-body ol{margin:0 0 16px 22px;color:var(--body)}
.article-body li{margin-bottom:8px}
.callout{background:var(--surface-card);border:1px solid var(--hairline);border-left:3px solid var(--primary);border-radius:var(--r-md);padding:20px;margin:24px 0}
.callout strong{color:var(--ink)}
.spec-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden}
.spec-table th,.spec-table td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--hairline)}
.spec-table th{background:var(--canvas-soft);color:var(--ink);font-weight:600;font-size:13px;text-transform:uppercase;letter-spacing:0.5px}
.spec-table tr:last-child td{border-bottom:none}
.refs{background:var(--canvas-soft);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:24px;margin:32px 0}
.refs h3{font-size:16px;font-weight:600;margin-bottom:12px}
.refs ul{list-style:none;margin:0}
.refs li{margin-bottom:8px;font-size:14px}
.refs a{color:var(--primary);text-decoration:underline}
.related{display:flex;gap:16px;flex-wrap:wrap;margin-top:16px}
.related a{font-size:14px;font-weight:500;color:var(--ink);border:1px solid var(--hairline-strong);border-radius:var(--r-pill);padding:8px 14px;background:var(--surface-card)}
.related a:hover{border-color:var(--primary);color:var(--primary)}

.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.contact-info p{color:var(--body)}
.form{background:var(--surface-card);border:1px solid var(--hairline);border-radius:var(--r-lg);padding:32px}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:13px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-row input{width:100%;height:44px;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-md);padding:12px 16px;font-family:var(--sans);font-size:15px;color:var(--ink)}
.form-row input:focus{outline:none;border-color:var(--primary)}
.form-row input:invalid:not(:placeholder-shown){border-color:var(--error)}
.btn-submit{height:44px;background:var(--ink);color:var(--canvas);border:none;border-radius:var(--r-md);padding:12px 20px;font-family:var(--sans);font-size:14px;font-weight:500;cursor:pointer}
.btn-submit:hover{background:#000}
.btn-submit:disabled{opacity:0.7;cursor:default}
.form-status{margin-top:14px;font-size:14px;font-weight:500;display:none}
.form-status.show{display:block}
.form-status.success{color:var(--success)}

.page-wrap{max-width:760px;margin:0 auto}
.page-wrap h1{font-size:44px;letter-spacing:-1.2px;font-weight:400;margin-bottom:8px}
.page-wrap h2{font-size:24px;margin:32px 0 12px}
.page-wrap p,.page-wrap li{color:var(--body)}
.page-wrap ul{margin:0 0 16px 22px}
.page-meta{font-size:13px;color:var(--muted);margin-bottom:24px}

.site-footer{background:var(--canvas);border-top:1px solid var(--hairline);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-note{font-size:14px;color:var(--body);margin:12px 0 8px;max-width:34ch}
.footer-updated{font-size:13px;color:var(--muted)}
.footer-head{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.88px;color:var(--ink);margin-bottom:12px}
.footer-link{display:block;font-size:14px;color:var(--body);margin-bottom:8px}
.footer-link:hover{color:var(--primary)}
.footer-bottom{border-top:1px solid var(--hairline);margin-top:32px;padding-top:24px}
.disclaimer{font-size:13px;color:var(--muted);margin-bottom:8px}
.copyright{font-size:13px;color:var(--muted)}

.cookie-banner{position:fixed;left:24px;right:24px;bottom:24px;max-width:640px;margin:0 auto;background:var(--surface-card);border:1px solid var(--hairline-strong);border-radius:var(--r-lg);padding:20px 24px;display:none;z-index:100}
.cookie-banner.show{display:flex;gap:16px;align-items:center;flex-wrap:wrap;justify-content:space-between}
.cookie-text{font-size:14px;color:var(--body);flex:1;min-width:240px}
.cookie-text a{color:var(--primary);text-decoration:underline}
.cookie-actions{display:flex;gap:12px}
.cookie-btn{font-size:14px;font-weight:500;border-radius:var(--r-md);padding:10px 18px;cursor:pointer;border:1px solid var(--hairline-strong);background:var(--surface-card);color:var(--ink)}
.cookie-btn.accept{background:var(--primary);border-color:var(--primary);color:var(--on-primary)}
.cookie-btn.accept:hover{background:var(--primary-active);border-color:var(--primary-active)}
.cookie-btn.reject:hover{background:var(--hairline-soft)}

@media(max-width:1024px){
  .hero h1{font-size:56px;letter-spacing:-1.6px}
  .card-grid,.facts-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-toggle{display:block}
  .nav-menu{display:none;position:absolute;top:64px;left:0;right:0;flex-direction:column;background:var(--canvas);border-bottom:1px solid var(--hairline);padding:8px 24px 16px;gap:4px}
  .nav-menu.open{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero{padding:48px 0 40px}
  .hero h1{font-size:32px;letter-spacing:-0.8px}
  .card-grid,.facts-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
  section{padding:48px 0}
  h2{font-size:28px;letter-spacing:-0.5px}
}