:root{--ink:#2c2416;--gold:#9a783e;--warm:#faf8f4;--line:#e8e4dd;--muted:#655f55}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font:16px/1.65 'Segoe UI','PingFang SC',Arial,sans-serif}
img{display:block;max-width:100%}a{color:inherit;text-underline-offset:4px}button{font:inherit;cursor:pointer}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.18}h1{font-size:clamp(2rem,3.4vw,3rem);letter-spacing:-.035em}h2{font-size:clamp(1.45rem,2.5vw,2rem);letter-spacing:-.02em}h3{font-size:1.15rem}
.wrap{width:min(1184px,calc(100% - 48px));margin:auto}.preview{background:#2c2416;color:#fff;font-size:12px;text-align:center;padding:8px 16px;letter-spacing:.03em}
.nav{border-bottom:1px solid var(--line);background:#fff}.nav-row{display:flex;align-items:center;justify-content:space-between;min-height:82px;gap:24px}.brand img{width:88px;height:62px;object-fit:contain}.links{display:flex;align-items:center;gap:28px;font-size:14px;font-weight:600}.links a{text-decoration:none}.links a.active{color:#89662c}.nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px 12px}
.btn{display:inline-flex;justify-content:center;align-items:center;min-height:46px;padding:12px 22px;border:1px solid var(--ink);background:var(--ink);color:#fff;font-size:14px;font-weight:650;text-decoration:none;border-radius:4px;line-height:1.4}.btn:hover{background:#51432c}.btn.secondary{color:var(--ink);background:#fff;border-color:var(--line)}.btn.secondary:hover{border-color:var(--gold)}a:focus-visible,button:focus-visible{outline:3px solid #89662c;outline-offset:4px}
.crumb{padding:22px 0;font-size:12px;color:var(--muted)}.crumb a{text-decoration:none}.eyebrow{display:block;color:#89662c;font-size:11px;text-transform:uppercase;letter-spacing:.13em;font-weight:700;margin-bottom:12px}.muted{color:var(--muted)}.small{font-size:12px;line-height:1.65}.hero{background:var(--warm);padding:52px 0 46px;border-bottom:1px solid var(--line)}.hero p{max-width:680px;margin-top:18px;color:var(--muted)}
.section{padding:42px 0}.section + .section{border-top:1px solid var(--line)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:24px}.section-heading p{max-width:430px;color:var(--muted);font-size:14px}
.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:stretch}.card{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;border-radius:7px;overflow:hidden}.card-visual{display:block;background:var(--warm);aspect-ratio:1/1;overflow:hidden}.card-visual img{width:100%;height:100%;object-fit:contain;padding:14px}.card-body{padding:24px;display:flex;flex-direction:column;flex:1;gap:12px}.card-body h2{font-size:23px;min-height:2.45em}.card-body h2 a{text-decoration:none}.card-body p{font-size:14px;color:var(--muted);min-height:3.3em}.card-body .btn{margin-top:auto}.chips{display:flex;flex-wrap:wrap;gap:7px}.chip{border:1px solid var(--line);border-radius:3px;padding:5px 9px;font-size:11px;color:#5f5546}.card .chips{margin:5px 0 8px}
.overview{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:start}.gallery{min-width:0}.main-photo{background:var(--warm);aspect-ratio:1/1;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:6px;padding:12px}.main-photo img{height:100%;width:100%;object-fit:contain}.caption{font-size:12px;color:var(--muted);padding-top:9px;min-height:29px}.thumbs{display:flex;gap:10px;margin:13px 0 0}.thumb{width:80px;background:#fff;border:1px solid var(--line);border-radius:4px;padding:4px}.thumb[aria-pressed=true]{border:2px solid var(--gold);padding:3px}.thumb img{width:100%;aspect-ratio:1/1;object-fit:contain}.thumb span{font-size:10px;display:block;padding-top:3px}.info h1{font-size:clamp(2rem,3.1vw,2.7rem)}.summary{margin:18px 0;color:var(--muted);font-size:15px}.info .chips{margin-bottom:20px}.size-box{border-block:1px solid var(--line);padding:17px 0;margin:19px 0}.size-title{font-size:13px;font-weight:700}.size-labels{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}.size-label{min-width:39px;text-align:center;padding:6px 12px;border:1px solid var(--line);border-radius:3px;font-size:13px;background:var(--warm)}.metrics{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px}.metrics div{background:var(--warm);padding:12px}.metrics strong{display:block;font-size:14px}.metrics span{font-size:12px;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:10px}.info .small{margin-top:10px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:36px}.spec-list{margin:22px 0 0}.spec-row{display:grid;grid-template-columns:130px minmax(0,1fr);gap:18px;border-bottom:1px solid var(--line);padding:14px 0;font-size:14px}.spec-row dt{font-weight:650}.spec-row dd{margin:0;color:var(--muted)}.panel{background:var(--warm);padding:28px;border:1px solid var(--line);border-radius:6px}.panel p{margin-top:12px}.panel .btn{margin-top:18px}.rule{padding:18px 0;border-bottom:1px solid var(--line)}.rule:first-of-type{padding-top:23px}.rule strong{font-size:15px;display:block}.rule p{margin-top:5px;font-size:14px;color:var(--muted)}details{border-bottom:1px solid var(--line);padding:17px 0}summary{cursor:pointer;font-weight:650;font-size:15px}details p{margin-top:11px;color:var(--muted);font-size:14px}.faq{max-width:880px}.guide-callout{background:var(--warm);padding:28px;display:flex;align-items:center;justify-content:space-between;gap:24px;border:1px solid var(--line);border-radius:6px}.guide-callout p{margin-top:10px;color:var(--muted);max-width:660px}
.article-layout{display:grid;grid-template-columns:minmax(0,780px) 260px;gap:44px;align-items:start}.article-body h2{margin:36px 0 14px}.article-body h2:first-child{margin-top:0}.article-body p{margin:13px 0;color:#524c43}.article-body ul{padding-left:22px;margin:15px 0}.article-body li{padding:4px 0}.article-body .table-scroll{overflow:auto}.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14px}.article-body th,.article-body td{text-align:left;vertical-align:top;border-bottom:1px solid var(--line);padding:13px}.article-body th{background:var(--warm)}.toc{position:sticky;top:24px;background:var(--warm);padding:23px;border:1px solid var(--line);border-radius:5px;font-size:13px}.toc a{display:block;padding:9px 0;text-decoration:none}.toc h2{font-size:16px;margin-bottom:12px}.related{margin:26px 0;display:grid;grid-template-columns:1fr 1fr;gap:18px}.mini{display:block;border:1px solid var(--line);text-decoration:none;padding:16px;border-radius:5px}.mini img{height:170px;width:100%;object-fit:contain;background:var(--warm);margin-bottom:14px}.mini strong{font-size:14px;line-height:1.4;display:block}.blog-list{max-width:920px}.post{padding:28px 0;border-bottom:1px solid var(--line)}.post h2{margin-bottom:14px}.post h2 a{text-decoration:none}.post p{color:var(--muted);margin-bottom:18px}
.footer{border-top:1px solid var(--line);padding:30px 0;background:var(--warm);margin-top:28px}.footer-row{display:flex;justify-content:space-between;align-items:center;gap:24px;font-size:13px;color:var(--muted)}.footer a{margin-left:20px}.inquiry-note{margin-top:12px;color:var(--muted);font-size:12px}
@media(max-width:1000px){.overview{gap:28px}.info h1{font-size:2rem}.article-layout{grid-template-columns:minmax(0,1fr) 220px;gap:26px}.links{gap:18px}.split{gap:25px}.spec-row{grid-template-columns:110px minmax(0,1fr)}}
@media(max-width:760px){.wrap{width:calc(100% - 32px)}.nav-row{min-height:72px;flex-wrap:wrap;padding:5px 0}.brand img{height:58px;width:78px}.nav-toggle{display:block}.links{display:none;flex-basis:100%;padding:10px 0 16px;gap:18px;flex-wrap:wrap}.links.open{display:flex}.hero{padding:34px 0}.hero h1{font-size:2.05rem}.section{padding:30px 0}.section-heading{display:block}.section-heading p{margin-top:12px}.overview,.split,.article-layout{grid-template-columns:1fr}.overview{gap:28px}.product-grid{gap:18px}.card-body{padding:18px}.card-body h2{font-size:20px}.main-photo{aspect-ratio:1/1}.info h1{font-size:2rem}.toc{position:static;grid-row:1}.toc a{display:inline-block;margin-right:14px}.guide-callout{display:block;padding:23px}.guide-callout .btn{margin-top:18px}.footer-row{display:block}.footer-row div{margin-top:12px}.footer a{margin-left:0;margin-right:18px}}
@media(max-width:520px){.product-grid{grid-template-columns:1fr}.card-body h2,.card-body p{min-height:0}.card-visual{aspect-ratio:1/1}.hero h1{font-size:1.9rem}.spec-row{grid-template-columns:98px minmax(0,1fr);gap:12px}.panel{padding:22px}.actions{display:grid;grid-template-columns:1fr}.actions .btn{width:100%}.related{grid-template-columns:1fr}.thumb{width:74px}.article-body th,.article-body td{padding:10px 8px}.article-body table{font-size:13px}.preview{font-size:11px}}