: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", monospace}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{margin:0;font-family:var(--ff);color:var(--c-text);background:var(--c-bg);line-height:1.6;font-size:16px}img{max-width:100%;height:auto;display:block}a{color:var(--c-primary);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3,h4{color:var(--c-primary-dark);line-height:1.25;margin:0 0 .6em}h1{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:700}h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:600}h3{font-size:clamp(1.15rem,1.8vw,1.35rem);font-weight:600}p{margin:0 0 1rem;color:var(--c-text-soft)}ul,ol{padding-left:1.25rem;color:var(--c-text-soft)}li{margin:.25rem 0}.container{max-width:var(--maxw);margin:0 auto;padding:0 var(--pad)}.section{padding:3.5rem 0}.section--soft{background:var(--c-bg-soft)}.section--dark{background:var(--c-primary);color:#fff}.section--dark h1,.section--dark h2,.section--dark h3{color:#fff}.grid{display:grid;gap:1.5rem}.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}@media(max-width:920px){.grid--2,.grid--3,.grid--4{grid-template-columns:1fr}}.btn{display:inline-block;padding:.75rem 1.4rem;border-radius:var(--radius);font-weight:600;border:1px solid transparent;cursor:pointer;transition:all .15s 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 .6rem;background:var(--c-bg-soft-2);color:var(--c-primary-dark);border-radius:999px;font-size:.8rem;font-weight:600}.badge--accent{background:var(--c-accent);color:#fff}.kicker{display:inline-block;color:var(--c-accent);font-weight:600;text-transform:uppercase;letter-spacing:.05em;font-size:.85rem;margin-bottom:.4rem}.hero{background:linear-gradient(135deg,#0a3d62,#1a5a87);color:#fff;padding:4rem 0 3rem;position:relative;overflow:hidden}.hero h1{color:#fff;max-width:800px}.hero p{color:#d4e1ed;font-size:1.1rem;max-width:720px}.hero__ctas{margin-top:1.5rem;display:flex;gap:.8rem;flex-wrap:wrap}.header{background:#fff;border-bottom:1px solid 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;height:64px;gap:1rem}.header__logo{display:flex;align-items:center;gap:.6rem;color:var(--c-primary-dark);font-weight:700;font-size:1.1rem}.header__logo img{height:36px}.header__nav{display:flex;gap:1.4rem}.header__nav a{color:var(--c-text);font-weight:500}.header__nav a:hover{color:var(--c-accent-dark);text-decoration:none}.header__cta{display:flex;align-items:center;gap:.8rem}.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}@media(max-width:920px){.header__nav{display:none}}.footer{background:var(--c-primary-dark);color:#cdd6e0;padding:3rem 0 1.5rem}.footer h4{color:#fff;font-size:.95rem;text-transform:uppercase;letter-spacing:.05em;margin:0 0 1rem}.footer a{color:#cdd6e0}.footer a:hover{color:#fff}.footer__grid{display:grid;gap:2rem;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr}@media(max-width:920px){.footer__grid{grid-template-columns:1fr 1fr}}.footer__bottom{margin-top:2rem;padding-top:1.5rem;border-top:1px solid #1f4566;font-size:.85rem;color:#93a4b7}.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}.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}.prose h2,.prose h3{margin-top:1.6em}.prose p,.prose li{font-size:1.05rem;line-height:1.7}.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}