:root{--c-primary: #0a3d62;--c-primary-dark: #062c47;--c-accent: #e58e26;--c-accent-dark: #c97318;--c-text: #1a2a3a;--c-text-soft: #4a5a6a;--c-bg: #ffffff;--c-bg-soft: #f5f7fa;--c-bg-soft-2: #eef2f6;--c-border: #d8dee5;--c-success: #1f7a3a;--c-warn: #c97318;--c-error: #b3261e;--shadow-sm: 0 1px 2px rgba(10,61,98,.06), 0 1px 3px rgba(10,61,98,.04);--shadow-md: 0 4px 12px rgba(10,61,98,.08), 0 2px 4px rgba(10,61,98,.05);--shadow-lg: 0 12px 30px rgba(10,61,98,.12), 0 6px 12px rgba(10,61,98,.06);--radius: 8px;--radius-lg: 14px;--maxw: 1240px;--pad: 1.25rem;--ff: -apple-system, BlinkMacSystemFont, "Segoe UI", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Roboto, "Noto Sans", system-ui, sans-serif;--ff-mono: ui-monospace, SFMono-Regular, "Cascadia Code", Consolas, "Roboto Mono", 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ease;text-align:center;font-size:1rem;line-height:1.2}.btn--primary{background:var(--c-accent);color:#fff}.btn--primary:hover{background:var(--c-accent-dark);text-decoration:none}.btn--secondary{background:var(--c-primary);color:#fff}.btn--secondary:hover{background:var(--c-primary-dark);text-decoration:none}.btn--ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}.btn--ghost:hover{background:var(--c-primary);color:#fff;text-decoration:none}.card{background:#fff;border:1px solid var(--c-border);border-radius:var(--radius-lg);padding:1.25rem;box-shadow:var(--shadow-sm);transition:box-shadow .2s ease,transform .2s ease}.card:hover{box-shadow:var(--shadow-md)}.card h3{margin-top:0}.badge{display:inline-block;padding:.2rem 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var(--c-border);position:sticky;top:0;z-index:50;box-shadow:var(--shadow-sm)}.header__inner{display:flex;align-items:center;justify-content:space-between;min-height:64px;gap:1rem;flex-wrap:nowrap}.header__logo{display:flex;align-items:center;gap:.6rem;color:var(--c-primary-dark);font-weight:700;font-size:1.1rem;flex-shrink:0;white-space:nowrap}.header__logo img{height:36px;width:36px}.header__logo-text{display:inline}.header__nav{display:flex;gap:1.4rem;align-items:center}.header__nav a{color:var(--c-text);font-weight:500;white-space:nowrap}.header__nav a:hover{color:var(--c-accent-dark);text-decoration:none}.header__cta{display:flex;align-items:center;gap:.8rem;flex-shrink:0}.header__lang{display:inline-flex;gap:.3rem}.header__lang a{padding:.3rem .5rem;border-radius:6px;font-size:.85rem}.header__lang a[aria-current=true]{background:var(--c-primary);color:#fff}.header__quote{white-space:nowrap;padding:.55rem 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2fr;align-items:start}.footer__brand{padding-right:1.5rem}.footer__logo{display:inline-flex;align-items:center;gap:.6rem;color:#fff;font-weight:700;font-size:1.2rem;text-decoration:none;margin-bottom:.8rem}.footer__logo img{height:40px;width:40px}.footer__tagline{font-size:.92rem;line-height:1.6;margin:0 0 1.25rem;color:#b8c4d0}.footer__contact{list-style:none;padding:0;margin:0 0 1.25rem}.footer__contact li{display:flex;flex-direction:column;gap:.15rem;margin-bottom:.6rem;font-size:.9rem;line-height:1.4}.footer__contact-label{color:#93a4b7;font-size:.8rem}.footer__contact a{color:#fff;text-decoration:none;font-weight:500}.footer__contact a:hover{color:var(--c-accent)}.footer__badges{display:flex;flex-wrap:wrap;gap:.4rem}.footer__badge{display:inline-block;padding:.2rem .6rem;background:#e58e2626;color:#f5b876;border:1px solid rgba(229,142,38,.3);border-radius:4px;font-size:.72rem;font-weight:600;letter-spacing:.04em}.footer__nav{display:grid;gap:1.75rem 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1.5rem}.footer{padding-top:2.5rem}}@media(max-width:480px){.footer__nav{grid-template-columns:1fr 1fr;gap:1.25rem 1rem}}.faq__item{border-bottom:1px solid var(--c-border);padding:1rem 0}.faq__q{font-weight:600;color:var(--c-primary-dark);margin:0 0 .5rem}.faq__a{color:var(--c-text-soft);margin:0}.product-grid{display:grid;gap:1.2rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.kw-card{display:block;padding:1.1rem;border:1px solid var(--c-border);border-radius:var(--radius);background:#fff;color:var(--c-text)}.kw-card:hover{border-color:var(--c-accent);text-decoration:none;box-shadow:var(--shadow-md)}.kw-card h3{font-size:1.05rem;margin:0 0 .4rem}.kw-card p{font-size:.9rem;color:var(--c-text-soft);margin:0}.spec-table{width:100%;border-collapse:collapse}.spec-table th,.spec-table td{padding:.6rem .8rem;border:1px solid var(--c-border);text-align:left;font-size:.95rem;word-break:break-word}.spec-table th{background:var(--c-bg-soft)}.breadcrumb{font-size:.9rem;color:var(--c-text-soft);margin-bottom:1rem}.breadcrumb a{color:var(--c-text-soft)}.breadcrumb a:hover{color:var(--c-accent-dark)}.prose{max-width:760px;overflow-x:auto}.prose h2,.prose h3{margin-top:1.6em}.prose p,.prose li{font-size:1.05rem;line-height:1.7}.prose>.spec-table{display:block;overflow-x:auto;white-space:nowrap;min-width:480px}@media(max-width:640px){.prose>.spec-table{white-space:normal}}.cta-band{background:linear-gradient(135deg,var(--c-primary) 0%,var(--c-primary-dark) 100%);color:#fff;padding:3rem 0;text-align:center}.cta-band h2{color:#fff}.cta-band p{color:#d4e1ed;max-width:620px;margin:0 auto 1.5rem}