:root{
  --bg:#f7f8f5; --surface:#ffffff; --ink:#17221c; --muted:#5c685f; --line:#dfe5df;
  --brand:#176b46; --brand-dark:#0f4f34; --accent:#e8f3ed; --warm:#fff5df;
  --shadow:0 12px 34px rgba(23,34,28,.08); --radius:18px; --max:1180px;
}
*{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(--ink);line-height:1.62}
img{max-width:100%;height:auto}
a{color:var(--brand-dark);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--brand)}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:99}
.disclosure{background:#112119;color:#eaf3ee;font-size:.87rem;padding:8px 18px;text-align:center}
.disclosure a{color:#fff}
header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(12px)}
.nav{max-width:var(--max);margin:auto;padding:14px 20px;display:flex;align-items:center;gap:22px}
.logo{display:inline-block;text-decoration:none;color:var(--ink);font-weight:850;letter-spacing:-.035em;font-size:1.15rem;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:19px}
.navlinks{display:flex;gap:18px;margin-left:auto;align-items:center}
.navlinks a{text-decoration:none;color:#26372e;font-size:.94rem;font-weight:650}
.nav-cta{background:var(--brand)!important;color:#fff!important;padding:9px 14px;border-radius:999px}
.menu-btn{display:none;margin-left:auto;border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 11px;font-weight:700}
main{min-height:65vh}
.container{max-width:var(--max);margin:auto;padding:0 20px}
.hero{padding:72px 0 46px;background:linear-gradient(180deg,#edf5f0 0%,var(--bg) 100%)}
.eyebrow{font-size:.82rem;text-transform:uppercase;letter-spacing:.11em;font-weight:800;color:var(--brand)}
h1,h2,h3{line-height:1.12;letter-spacing:-.035em;margin:0 0 .65em}
h1{font-size:clamp(2.45rem,6vw,4.55rem);max-width:900px}
h2{font-size:clamp(1.8rem,3.5vw,2.75rem);margin-top:1.2em}
h3{font-size:1.28rem}
.lead{font-size:clamp(1.06rem,2vw,1.28rem);max-width:820px;color:#3e5146}
.meta{display:flex;flex-wrap:wrap;gap:10px 18px;color:var(--muted);font-size:.9rem;margin:22px 0}
.badge{display:inline-flex;align-items:center;gap:6px;background:var(--accent);color:var(--brand-dark);padding:6px 10px;border-radius:999px;font-size:.79rem;font-weight:800}
.badge.warm{background:var(--warm);color:#77530d}
.actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:var(--brand);color:#fff!important;text-decoration:none;font-weight:800;border-radius:12px;padding:13px 17px;border:0}
.btn:hover{background:var(--brand-dark)}
.btn.secondary{background:#fff;color:var(--ink)!important;border:1px solid var(--line)}
.answer-box{background:#fff;border:1px solid var(--line);border-left:5px solid var(--brand);border-radius:var(--radius);padding:22px 24px;box-shadow:var(--shadow);margin:28px 0}
.answer-box h2,.answer-box h3{margin-top:0}
.section{padding:54px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.product-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:0 8px 24px rgba(23,34,28,.05);display:flex;flex-direction:column}
.product-card .photo{aspect-ratio:4/3;background:#f3f5f2;display:flex;align-items:center;justify-content:center;padding:16px}
.product-card .photo img{width:100%;height:100%;object-fit:contain}
.card-body{padding:18px;display:flex;flex-direction:column;gap:11px;height:100%}
.card-body h3{margin:0}
.price{font-size:1.42rem;font-weight:900;letter-spacing:-.03em}
.old{font-size:.9rem;color:var(--muted);text-decoration:line-through;margin-left:6px}
.discount{font-size:.78rem;font-weight:850;color:#8d5208;background:#fff1cd;padding:4px 7px;border-radius:8px;margin-left:6px}
.micro{font-size:.82rem;color:var(--muted)}
.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.spec{border:1px solid var(--line);background:#fbfcfb;border-radius:10px;padding:9px}
.spec b{display:block;font-size:.76rem;color:var(--muted);font-weight:700;margin-bottom:2px}.spec span{font-weight:800;font-size:.9rem}
.procon{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.pro,.con{border:1px solid var(--line);border-radius:14px;padding:18px;background:#fff}
.pro h3{color:#155d3f}.con h3{color:#7c3e2e}
.clean{padding-left:1.1rem}.clean li{margin:.45rem 0}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:#fff}
table{border-collapse:collapse;width:100%;min-width:760px}
th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f2f5f2;font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
tr:last-child td{border-bottom:0}
.rank{font-size:1.1rem;font-weight:900}
.toc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin:24px 0}
.toc a{display:inline-block;margin:4px 12px 4px 0}
.content{max-width:850px}
.content p,.content li{font-size:1.02rem}
.note{background:#fff8e7;border:1px solid #eedda9;border-radius:12px;padding:14px 16px}
.sourcebox{background:#f1f4f2;border-radius:14px;padding:18px;margin-top:28px;font-size:.92rem}
footer{background:#122019;color:#dfe9e3;margin-top:60px}
footer a{color:#e6f0ea}
.footer-grid{max-width:var(--max);margin:auto;padding:44px 20px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:28px}
.footer-grid h3{color:#fff}.footer-grid p{color:#bfcfc6}
.footer-links{display:flex;flex-direction:column;gap:8px}
.copyright{border-top:1px solid #2c3b33;max-width:var(--max);margin:auto;padding:16px 20px;color:#9eb0a6;font-size:.84rem}
.hero-product{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.hero-image{background:#fff;border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow)}
.hero-image img{width:100%;height:420px;object-fit:contain}
.breadcrumbs{font-size:.86rem;color:var(--muted);padding-top:20px}
.breadcrumbs a{color:var(--muted)}
.kicker{font-weight:850;color:var(--brand);margin-bottom:7px}
.callout{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;background:#183c2b;color:#fff;border-radius:18px;padding:24px;margin:28px 0}
.callout p{margin:0;color:#d8e8df}
.callout .btn{background:#fff;color:#163323!important}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin:10px 0}
.faq summary{font-weight:800;cursor:pointer}
.faq details p{margin-bottom:4px}
.authorbox{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:center;background:#fff;border:1px solid var(--line);padding:16px;border-radius:14px}
.avatar{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:var(--accent);font-weight:900;color:var(--brand)}
@media(max-width:900px){
 .grid{grid-template-columns:1fr 1fr}.hero-product{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.navlinks{display:none}.menu-btn{display:block}.navlinks.open{position:absolute;display:flex;flex-direction:column;align-items:stretch;top:63px;left:12px;right:12px;background:#fff;border:1px solid var(--line);padding:15px;border-radius:14px;box-shadow:var(--shadow)}
}
@media(max-width:620px){
 .hero{padding:48px 0 32px}.grid{grid-template-columns:1fr}.specs{grid-template-columns:1fr}.procon{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.callout{grid-template-columns:1fr}.hero-image img{height:300px}
 h1{font-size:2.5rem}.nav{padding:11px 14px}.container{padding:0 16px}
}


/* v4: same structure as the original homepage; only a restrained visual refresh */
:root{
  --bg:#f7f5f0;
  --surface:#ffffff;
  --ink:#1f2529;
  --muted:#62686c;
  --line:#d9d6cf;
  --brand:#263b4a;
  --brand-dark:#182936;
  --accent:#edf0f2;
  --warm:#f4ebe3;
  --shadow:0 8px 22px rgba(31,37,41,.055);
  --radius:8px;
}
body{background:var(--bg);color:var(--ink)}
a{color:var(--brand-dark)}
a:hover{color:#9a4f2c}
.disclosure{background:#202b31;color:#edf1f3}
header{background:rgba(255,255,255,.97)}
.logo-mark{background:var(--brand);border-radius:7px}
.navlinks a{color:#30383d}
.nav-cta{background:var(--brand)!important;border-radius:7px;padding:9px 14px}
.menu-btn{border-radius:7px}
.hero{background:linear-gradient(180deg,#f0ede7 0%,var(--bg) 100%)}
.eyebrow,.kicker{color:#9a4f2c}
.lead{color:#444c50}
.btn{background:var(--brand);border-radius:7px;padding:12px 17px}
.btn:hover{background:var(--brand-dark)}
.btn.secondary{background:#fff;border:1px solid #c9c6bf}
.badge{background:#eef1f3;color:var(--brand-dark);border-radius:5px}
.badge.warm{background:#f4ebe3;color:#875036}
.answer-box{border:1px solid var(--line);border-left:4px solid #9a4f2c;border-radius:8px;box-shadow:none}
.product-card{border-radius:8px;box-shadow:none}
.product-card .photo{background:#f2f0eb}
.discount{background:#f4ebe3;color:#875036;border-radius:4px}
.spec{background:#faf9f6;border-radius:5px}
.pro,.con,.table-wrap,.toc,.note,.sourcebox,.faq details,.authorbox{border-radius:7px}
th{background:#f1efea}
.note{background:#f7efe6;border-color:#dfc7b5}
.sourcebox{background:#efeeea}
footer{background:#202b31}
.callout{background:#263b4a;border-radius:8px}
.callout .btn{color:#182936!important}
.hero-image{border-radius:8px;box-shadow:none}
.avatar{background:#edf0f2;color:var(--brand);border-radius:7px}
@media(max-width:900px){.navlinks.open{border-radius:8px;box-shadow:var(--shadow)}}