:root{--ink:#071b32;--blue:#0a4b78;--red:#c5282f;--muted:#647386;--line:#dbe3ea;--bg:#f3f6f9}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Inter,Arial,sans-serif}a{color:inherit;text-decoration:none}.product-header{min-height:88px;display:grid;grid-template-columns:205px 1fr auto auto;align-items:center;gap:22px;padding:0 5vw;border-bottom:1px solid var(--line);background:#fff}.product-header .brand img{width:205px}.product-header nav{display:flex;align-items:center;gap:22px;font-weight:700;font-size:.82rem}.product-header .nav-smart-seal{color:var(--red)!important}.language-switcher{display:inline-flex;gap:7px;padding-left:8px}.language-switcher a{color:var(--muted)}.language-switcher a.active{color:var(--blue)}main{max-width:1180px;margin:auto;padding:60px 6vw 90px}.crumb{color:var(--blue);font-size:.8rem;font-weight:700}.product-hero{display:grid;grid-template-columns:340px 1fr;gap:55px;align-items:center;margin:30px 0 45px}.product-hero>img{width:100%;height:300px;object-fit:contain;border:1px solid var(--line);padding:25px}.kicker{color:var(--blue);font-size:.72rem;font-weight:800;letter-spacing:.1em}.product-hero h1{font-size:clamp(2.7rem,5vw,5rem);line-height:1;margin:14px 0}.product-hero p{color:var(--muted);line-height:1.7;max-width:720px}.cta{display:inline-block;margin-top:18px;background:var(--red);color:#fff;padding:15px 22px;font-weight:800}.data,.drawing{background:var(--bg);padding:26px;margin:0 0 24px}.data h2,.related-guides h2{font-size:1.75rem;margin:0 0 16px}.table{overflow:auto;background:#fff;border:1px solid var(--line);max-height:520px}table{border-collapse:collapse;width:100%;font-size:.78rem;white-space:nowrap}th{position:sticky;top:0;background:var(--blue);color:#fff;text-align:left;padding:12px}td{padding:10px 12px;border-bottom:1px solid var(--line)}.drawing{text-align:center}.drawing img{max-width:100%;height:auto;object-fit:contain}.related-guides{margin-top:32px;padding:25px;background:var(--bg);border-left:4px solid var(--blue)}.guide-language-note{color:var(--muted);font-size:.8rem}.related-guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-guide{position:relative;display:flex;min-width:0;flex-direction:column;gap:7px;padding:16px 42px 16px 16px;background:#fff;border:1px solid var(--line)}.related-guide small{color:var(--blue);font-size:.65rem;font-weight:800}.related-guide strong{font-size:.88rem;line-height:1.45}.related-guide span{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--blue)}footer{background:#041526;color:#aebdcc;padding:30px 6vw;font-size:.78rem}@media(max-width:900px){.product-header{padding:18px 24px;align-items:flex-start;gap:18px}.product-header .brand img{width:150px}.product-header nav{flex-direction:column;align-items:flex-end;gap:7px}.product-hero{grid-template-columns:1fr}.product-hero>img{height:230px}.related-guide-grid{grid-template-columns:1fr}}@media(max-width:620px){main{padding:38px 20px 65px}.product-header{display:block}.product-header nav{align-items:flex-start;margin-top:15px}.product-hero h1{font-size:2.35rem}.data,.related-guides{padding:18px}.table{max-width:100%}}
/* Controlled bilingual fix: shared mobile navigation and translated content blocks. */
.menu-btn{display:none;border:0;background:transparent;color:var(--ink);font-size:1.65rem;cursor:pointer}.content-list{margin:0 0 24px;padding:26px;background:var(--bg)}.content-list h2{font-size:1.75rem;margin:0 0 16px}.content-list ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 24px;margin:0;padding-left:20px;line-height:1.55;color:var(--muted)}@media(max-width:900px){.product-header{position:relative;flex-direction:row!important;align-items:center!important}.product-header .menu-btn{display:block;margin-left:auto}.product-header nav{display:none!important;position:absolute;z-index:30;top:100%;left:0;right:0;align-items:stretch!important;gap:0!important;padding:12px 24px 20px;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 12px 22px rgba(7,27,50,.12)}.product-header nav.open{display:flex!important}.product-header nav>a,.product-header .language-switcher{padding:10px 0}.content-list ul{grid-template-columns:1fr}}@media(max-width:620px){.product-header{display:flex!important}.product-header nav{margin-top:0!important}.content-list{padding:18px}}