:root{--color-primary:#14538c;--color-primary-dark:#0e3d68;--color-accent:#1296db;--color-dark:#0c2740;--color-background:#fff;--color-surface:#f4f6f9;--color-text:#1f2d3d;--color-text-secondary:#5e6d7d;--color-border:#dfe5ec;--shadow-sm:0 1px 3px #0f2d4b14;--shadow-md:0 8px 24px #0f2d4b1a;--spacing-xs:.5rem;--spacing-sm:.75rem;--spacing-md:1rem;--spacing-lg:1.5rem;--spacing-xl:2rem;--spacing-2xl:3rem;--radius-sm:2px;--radius-md:4px}*{box-sizing:border-box;margin:0;padding:0}html{color:var(--color-text);background-color:var(--color-background);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft 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.15s;display:inline-block}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);color:#fff}.btn-outline{color:#fff;border-color:#fff9}.btn-outline:hover{color:#fff;background:#ffffff1f}.btn-secondary{border-color:var(--color-border);color:var(--color-text);background:#fff}.btn-secondary:hover{border-color:var(--color-primary);color:var(--color-primary)}.app-layout{flex-direction:column;min-height:100vh;display:flex}.main-content{flex:1}.header{border-bottom:1px solid var(--color-border);z-index:50;background:#fff;position:sticky;top:0}.navbar{justify-content:space-between;align-items:stretch;height:64px;display:flex}.brand-link{align-items:center;display:flex}.brand-link:hover,.nav-link:hover{text-decoration:none}.brand-logo{width:auto;height:30px;display:block}.navbar-nav{align-items:stretch;display:flex}.nav-link{color:var(--color-text);white-space:nowrap;border-bottom:2px solid #0000;align-items:center;padding:0 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0;color:var(--color-text-secondary);font-weight:500}.mobile-nav-link:hover{color:var(--color-primary);text-decoration:none}.mobile-sub-link{padding-left:var(--spacing-lg);font-size:.9rem}.footer{background:var(--color-dark);margin-top:auto}.footer-content{gap:var(--spacing-xl);padding:var(--spacing-2xl) 0 var(--spacing-xl);grid-template-columns:1.5fr 1fr 1.5fr 1fr;display:grid}.footer-section h4{margin-bottom:var(--spacing-md);color:#fff;font-size:.95rem}.footer-section p{color:#fff9;margin:0;font-size:.85rem}.footer-brand img{border-radius:var(--radius-sm);background:#fff;width:auto;height:26px;padding:4px 10px}.footer-links,.info-list,.product-list{list-style:none}.footer-links li{margin-bottom:var(--spacing-xs);font-size:.85rem}.footer-links a,.footer-links li{color:#fff9}.footer-links a:hover{color:#fff;text-decoration:none}.footer-bottom{padding:var(--spacing-lg) 0;text-align:center;border-top:1px solid #ffffff1a}.footer-bottom p{color:#fff6;margin:0;font-size:.8rem}.page{padding:var(--spacing-2xl) 0 4rem}.page-narrow{max-width:800px}.placeholder{color:var(--color-text-secondary)}.page-banner{background:linear-gradient(#081e34e6,#081e34e6),url(../images/hero.jpg) 50% 40%/cover;padding:3.25rem 0}.page-banner h1{color:#fff;margin:0;font-size:1.75rem}.breadcrumb{color:#ffffff8c;margin:.6rem 0 0;font-size:.85rem}.breadcrumb a{color:#ffffffbf}.breadcrumb a:hover{color:#fff;text-decoration:none}.hero{background:linear-gradient(#081e34d1,#081e349e),url(../images/hero.jpg) 50%/cover;padding:6.5rem 0}.hero h1{color:#fff;max-width:640px;font-size:2.5rem}.hero p{color:#fffc;max-width:600px;margin:0 0 var(--spacing-xl);font-size:1.05rem}.hero-actions{gap:var(--spacing-md);flex-wrap:wrap;display:flex}.section{padding:4rem 0}.section-gray{background:var(--color-surface)}.section-head{justify-content:space-between;align-items:baseline;gap:var(--spacing-md);margin-bottom:var(--spacing-xl);display:flex}.section-head h2{border-left:4px solid var(--color-primary);margin:0;padding-left:.75rem}.more-link{white-space:nowrap;font-size:.9rem;font-weight:500}.about-strip{grid-template-columns:1fr 1.2fr;align-items:center;gap:3rem;display:grid}.about-strip img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius-sm);width:100%}.about-strip h2{border-left:4px solid var(--color-primary);padding-left:.75rem}.product-list{gap:var(--spacing-lg);grid-template-columns:repeat(auto-fill,minmax(300px,1fr));display:grid}.product-card{border:1px solid var(--color-border);height:100%;color:var(--color-text);background:#fff;transition:box-shadow .2s;display:block}.product-card:hover{box-shadow:var(--shadow-md);text-decoration:none}.product-card-img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;background:var(--color-surface);width:100%;display:block}.product-card-body{padding:1.25rem 1.25rem 1.5rem}.product-card h3{margin-bottom:var(--spacing-xs);color:var(--color-text);font-size:1.05rem;transition:color .15s}.product-card:hover h3{color:var(--color-primary)}.product-card p{-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:0;font-size:.875rem;display:-webkit-box;overflow:hidden}.product-detail{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.product-detail-img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);width:100%}.product-detail-actions{gap:var(--spacing-md);margin-top:var(--spacing-lg);flex-wrap:wrap;display:flex}.info-list{color:var(--color-text-secondary)}.info-list li{border-bottom:1px solid var(--color-border);padding:.9rem 0}.form{gap:var(--spacing-md);flex-direction:column;max-width:600px;display:flex}.form input,.form textarea{padding:.75rem var(--spacing-md);border:1px solid 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var(--color-primary);padding-left:.6rem}.item-list{list-style:none}.item-list li{border-bottom:1px solid var(--color-border)}.item-link{color:var(--color-text);padding:1.25rem 0;display:block}.item-link:hover{text-decoration:none}.item-link:hover h3{color:var(--color-primary)}.item-link h3{font-size:1.05rem;transition:color .15s}.item-link h3,.item-meta{margin-bottom:var(--spacing-xs)}.item-meta{color:var(--color-text-secondary);font-size:.8rem}.item-desc{margin:0;font-size:.9rem}.download-item{justify-content:space-between;align-items:center;gap:var(--spacing-md);display:flex}.download-item h3{margin-bottom:var(--spacing-xs)}.download-btn{flex-shrink:0;padding:.5rem 1.5rem;font-size:.875rem}.about-intro{margin-bottom:var(--spacing-2xl);grid-template-columns:1.2fr 1fr;align-items:center;gap:3rem;display:grid}.about-intro img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius-sm);width:100%}.stats-grid{gap:var(--spacing-md);text-align:center;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));display:grid}.stats-grid>div{background:var(--color-surface);padding:var(--spacing-xl) var(--spacing-md);border-top:3px solid var(--color-primary)}.stat-num{color:var(--color-primary);font-size:2rem;font-weight:700}.stat-label{color:var(--color-text-secondary);margin-top:var(--spacing-xs);font-size:.85rem}.article{font-size:1rem}.article-img{aspect-ratio:16/9;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-border);width:100%;margin-bottom:var(--spacing-lg);background:var(--color-surface)}.news-item{gap:var(--spacing-lg);align-items:center;display:flex}.news-thumb{aspect-ratio:16/9;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-border);background:var(--color-surface);flex-shrink:0;width:220px}.news-item-body{min-width:0}.spec-title{margin-top:var(--spacing-2xl);border-left:4px solid var(--color-primary);padding-left:.75rem}.spec-table{border-collapse:collapse;border:1px solid var(--color-border);width:100%;max-width:800px}.spec-table td,.spec-table th{padding:.7rem var(--spacing-md);border:1px solid var(--color-border);text-align:left;font-size:.92rem}.spec-table th{width:38%;color:var(--color-text-secondary);background:var(--color-surface);font-weight:500}.spec-table tr:nth-child(2n) td{background:#fafbfc}.milestones{margin-top:var(--spacing-2xl);max-width:800px}.milestone-year{min-width:3.5rem;margin-right:var(--spacing-md);color:var(--color-primary);font-weight:600;display:inline-block}.contact-grid{grid-template-columns:1fr 1fr;align-items:start;gap:3rem;display:grid}.contact-img{aspect-ratio:4/3;-o-object-fit:cover;object-fit:cover;border-radius:var(--radius-sm);border:1px solid var(--color-border);width:100%}.stats-section{background:var(--color-surface);padding:2.5rem 0}.page-enter-active,.page-leave-active{transition:opacity .2s}@media (width<=1024px){.navbar-nav{display:none}.mobile-menu-btn{display:flex}.hero{padding:4.5rem 0}.hero h1{font-size:2rem}}@media (width<=768px){.container{padding:0 var(--spacing-md)}h1{font-size:1.6rem}.section{padding:3rem 0}.page-banner{padding:2.5rem 0}.page-banner h1{font-size:1.4rem}.hero{padding:3.5rem 0}.hero h1{font-size:1.75rem}.about-intro,.about-strip,.contact-grid,.product-detail{gap:var(--spacing-xl);grid-template-columns:1fr}.footer-content{gap:var(--spacing-lg);padding:var(--spacing-xl) 0;grid-template-columns:1fr}.news-item{gap:var(--spacing-md)}.news-thumb{width:130px}.spec-table th{width:45%}}