* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Google Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #333; background: #fff; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
ul { list-style: none; }

/* === Header === */
.site-header { background: #fff; border-bottom: 1px solid #e5e7eb; position: sticky; top: 0; z-index: 100; }
.header-inner { max-width: 1200px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; padding: 0 20px; height: 70px; }
.logo-link { display: flex; align-items: center; }
.logo-link img { height: 45px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 0; }
.nav-list { display: flex; align-items: center; gap: 0; }
.nav-list > li { position: relative; }
.nav-list > li > a { display: block; padding: 0 16px; height: 70px; line-height: 70px; font-size: 15px; color: #333; font-weight: 500; transition: color 0.15s; }
.nav-list > li > a:hover, .nav-list > li > a.active { color: #1a73e8; }
.nav-list > li.has-sub > a::after { content: ' \25BC'; font-size: 10px; margin-left: 4px; opacity: 0.6; }
.nav-list .submenu { display: none; position: absolute; top: 70px; left: 0; background: #fff; border: 1px solid #e5e7eb; border-radius: 0 0 6px 6px; box-shadow: 0 8px 24px rgba(0,0,0,0.1); min-width: 220px; z-index: 200; }
.nav-list > li.has-sub:hover .submenu { display: block; }
.nav-list .submenu li a { display: block; padding: 10px 20px; font-size: 14px; color: #555; border-bottom: 1px solid #f3f4f6; white-space: nowrap; }
.nav-list .submenu li a:hover { background: #f0f7ff; color: #1a73e8; }
.quote-btn { display: inline-block; background: #1a73e8; color: #fff !important; padding: 8px 20px; border-radius: 4px; font-size: 14px; font-weight: 500; margin-left: 16px; transition: background 0.15s; }
.quote-btn:hover { background: #1558b0; }
.mobile-toggle { display: none; background: none; border: none; font-size: 28px; cursor: pointer; padding: 8px; color: #333; }

/* === Breadcrumb === */
.breadcrumb { max-width: 1200px; margin: 0 auto; padding: 14px 20px; font-size: 13px; color: #9ca3af; }
.breadcrumb a { color: #6b7280; }
.breadcrumb a:hover { color: #1a73e8; }
.breadcrumb span { margin: 0 8px; }

/* === Banner === */
.page-banner { background: linear-gradient(135deg, #1a73e8, #0d47a1); color: #fff; padding: 50px 20px; text-align: center; }
.page-banner h1 { font-size: 32px; font-weight: 700; margin-bottom: 10px; }
.page-banner p { color: rgba(255,255,255,0.8); font-size: 16px; max-width: 600px; margin: 0 auto; }

/* === Contact Page === */
.contact-page { max-width: 1200px; margin: 0 auto; padding: 40px 20px 60px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* Contact Info */
.contact-info { }
.contact-info h2 { font-size: 24px; font-weight: 700; color: #111827; margin-bottom: 8px; }
.contact-info > p { color: #6b7280; font-size: 14px; margin-bottom: 28px; line-height: 1.6; }
.info-section { margin-bottom: 32px; }
.info-section h3 { font-size: 16px; font-weight: 600; color: #1a73e8; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid #e0ecff; text-transform: uppercase; letter-spacing: 0.5px; }
.info-item { display: flex; align-items: flex-start; margin-bottom: 14px; font-size: 14px; line-height: 1.6; }
.info-icon { width: 20px; min-width: 20px; text-align: center; margin-right: 12px; color: #1a73e8; font-size: 16px; padding-top: 2px; }
.info-label { color: #6b7280; min-width: 100px; }
.info-value { color: #374151; }
.info-value a { color: #1a73e8; }
.info-value a:hover { text-decoration: underline; }

/* Contact Form */
.contact-form-wrap { }
.contact-form-wrap h2 { font-size: 24px; font-weight: 700; color: #111827; margin-bottom: 8px; }
.contact-form-wrap > p { color: #6b7280; font-size: 14px; margin-bottom: 28px; }
.contact-form { background: #fff; border: 1px solid #e5e7eb; border-radius: 10px; padding: 32px; box-shadow: 0 2px 12px rgba(0,0,0,0.04); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: #374151; margin-bottom: 6px; }
.form-group label .req { color: #ef4444; }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 10px 14px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; color: #333; transition: border-color 0.15s, box-shadow 0.15s; font-family: inherit; }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: #1a73e8; box-shadow: 0 0 0 3px rgba(26,115,232,0.15); }
.form-group textarea { resize: vertical; min-height: 100px; }
.form-submit { width: 100%; padding: 12px 24px; background: #1a73e8; color: #fff; border: none; border-radius: 6px; font-size: 15px; font-weight: 600; cursor: pointer; transition: background 0.15s; }
.form-submit:hover { background: #1558b0; }
.form-submit:disabled { background: #9ca3af; cursor: not-allowed; }

/* === Footer === */
.site-footer { background: #1f2937; color: #d1d5db; margin-top: 0; }
.footer-inner { max-width: 1200px; margin: 0 auto; padding: 40px 20px; display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; }
.footer-col h3 { color: #fff; font-size: 16px; margin-bottom: 16px; }
.footer-col p { font-size: 14px; line-height: 1.7; margin-bottom: 8px; }
.footer-col a { color: #93c5fd; font-size: 14px; }
.footer-col a:hover { color: #fff; }
.footer-col ul li { margin-bottom: 8px; }
.footer-bottom { border-top: 1px solid #374151; padding: 20px; text-align: center; font-size: 13px; color: #9ca3af; }
.footer-bottom a { color: #93c5fd; margin: 0 10px; }
.footer-bottom a:hover { color: #fff; }

@media (max-width: 768px) {
    .header-inner { flex-wrap: wrap; height: auto; padding: 12px 20px; }
    .nav-list { display: none; width: 100%; flex-direction: column; background: #fff; border-top: 1px solid #e5e7eb; order: 3; }
    .nav-list.open { display: flex; }
    .nav-list > li > a { padding: 12px 16px; height: auto; line-height: 1.4; border-bottom: 1px solid #f3f4f6; }
    .mobile-toggle { display: block; order: 2; margin-left: auto; }
    .quote-btn { display: none; }
    .footer-inner { grid-template-columns: 1fr; gap: 24px; }
    .contact-page { grid-template-columns: 1fr; gap: 32px; }
    .form-row { grid-template-columns: 1fr; }
    .contact-form { padding: 20px; }
}

/* === Product Page Layout === */
.products-page { max-width: 1200px; margin: 0 auto; padding: 30px 20px; display: flex; gap: 30px; }

/* Sidebar */
.product-sidebar { width: 240px; flex-shrink: 0; }
.sidebar-section { margin-bottom: 24px; }
.sidebar-title { font-size: 15px; font-weight: 600; color: #111827; margin-bottom: 12px; padding-bottom: 8px; border-bottom: 2px solid #e5e7eb; }
.cat-list li a { display: block; padding: 8px 12px; font-size: 14px; color: #4b5563; border-radius: 4px; transition: all 0.15s; margin-bottom: 2px; }
.cat-list li a:hover { background: #f0f7ff; color: #1a73e8; }
.cat-list li a.active { background: #e8f0fe; color: #1a73e8; font-weight: 600; }
.cat-list li a .cat-count { float: right; color: #9ca3af; font-size: 12px; }

/* Product Grid */
.product-main { flex: 1; }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { background: #fff; border: 1px solid #e5e7eb; border-radius: 8px; overflow: hidden; transition: box-shadow 0.2s, transform 0.2s; }
.product-card:hover { box-shadow: 0 6px 20px rgba(0,0,0,0.1); transform: translateY(-2px); }
.product-card-img { width: 100%; height: 180px; object-fit: cover; background: #f3f4f6; display: block; }
.product-card-img-placeholder { width: 100%; height: 180px; display: flex; align-items: center; justify-content: center; font-size: 14px; color: #9ca3af; background: #f9fafb; }
.product-card-body { padding: 14px; }
.product-card-cat { font-size: 11px; color: #1a73e8; font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
.product-card-title { font-size: 14px; font-weight: 600; color: #111827; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-summary { font-size: 13px; color: #6b7280; line-height: 1.5; margin-bottom: 10px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-card-link { display: inline-block; color: #1a73e8; font-size: 13px; font-weight: 500; }
.product-card-link:hover { text-decoration: underline; }

/* Result info */
.result-info { font-size: 14px; color: #6b7280; margin-bottom: 20px; }
.result-info strong { color: #111827; }

/* Pagination */
.pagination { display: flex; gap: 8px; justify-content: center; margin-top: 30px; padding: 20px 0; flex-wrap: wrap; }
.pagination a, .pagination span { padding: 8px 14px; border: 1px solid #d1d5db; border-radius: 6px; font-size: 14px; text-decoration: none; color: #374151; background: #fff; transition: all 0.15s; cursor: pointer; }
.pagination a:hover { border-color: #1a73e8; color: #1a73e8; }
.pagination .current { background: #1a73e8; border-color: #1a73e8; color: #fff; }
.pagination .disabled { color: #d1d5db; cursor: not-allowed; border-color: #e5e7eb; }

.loading { text-align: center; padding: 60px; color: #9ca3af; font-size: 16px; }