:root {
  --color-primary: #1a1a2e;
  --color-primary-light: #2d2d44;
  --color-primary-dark: #0d0d1a;
  --color-accent: #f97316;
  --color-accent-light: #fb923c;
  --color-accent-dark: #ea580c;
  --color-secondary: #0891b2;
  --color-bg: #ffffff;
  --color-bg-alt: #f6f8fa;
  --color-bg-dark: #0f172a;
  --color-text: #1a1a2e;
  --color-text-light: #5a5a6e;
  --color-text-inverse: #ffffff;
  --color-border: #e2e5ea;
  --font-primary: Inter, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
  --font-heading: Inter, -apple-system, BlinkMacSystemFont, Segoe UI, sans-serif;
  --max-width: 1280px;
  --header-height: 72px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-primary); color: var(--color-text); background: var(--color-bg); line-height: 1.6; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 600; line-height: 1.25; color: var(--color-primary); }
.section-label { display: inline-block; font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--color-accent); margin-bottom: 8px; }
.section-title { font-size: 2.25rem; margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--color-text-light); max-width: 600px; line-height: 1.6; }
@media (max-width: 768px) { .section-title { font-size: 1.75rem; } .section-subtitle { font-size: 1rem; } }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; font-size: 0.95rem; font-weight: 500; font-family: var(--font-primary); border-radius: var(--radius-sm); border: none; cursor: pointer; transition: all var(--transition); white-space: nowrap; }
.btn-primary { background: var(--color-accent); color: var(--color-primary-dark); }
.btn-primary:hover { background: var(--color-accent-light); color: var(--color-primary-dark); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: var(--color-text-inverse); border: 1.5px solid rgba(255,255,255,0.3); }
.btn-outline:hover { border-color: var(--color-text-inverse); color: var(--color-text-inverse); background: rgba(255,255,255,0.08); }
.btn-dark { background: var(--color-primary); color: var(--color-text-inverse); }
.btn-dark:hover { background: var(--color-primary-light); color: var(--color-text-inverse); transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; }
.site-header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: var(--header-height); background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-border); transition: all var(--transition); }
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 700; color: var(--color-primary); text-decoration: none; }
.logo-icon { width: 36px; height: 36px; background: var(--color-primary); color: var(--color-accent); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; }
.logo:hover { color: var(--color-primary); }
.main-nav { display: flex; align-items: center; gap: 32px; }
.main-nav a { font-size: 0.92rem; font-weight: 500; color: var(--color-text-light); position: relative; padding: 4px 0; }
.main-nav a::after { content: ""; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width var(--transition); }
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.nav-cta { padding: 10px 22px !important; background: var(--color-accent); color: var(--color-primary-dark) !important; border-radius: var(--radius-sm); font-weight: 600 !important; }
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--color-accent-light) !important; transform: translateY(-1px); }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 24px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: all var(--transition); }
.hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
@media (max-width: 768px) { .hamburger { display: flex; } .main-nav { position: fixed; top: var(--header-height); left: 0; right: 0; background: var(--color-bg); flex-direction: column; padding: 24px; gap: 20px; border-bottom: 1px solid var(--color-border); transform: translateY(-100%); opacity: 0; pointer-events: none; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); } .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; } }
.hero { min-height: 90vh; display: flex; align-items: center; position: relative; background: var(--color-bg-dark); overflow: hidden; padding-top: var(--header-height); }
.hero-bg { position: absolute; inset: 0; z-index: 0; }
.hero-bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.7; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.45) 45%, rgba(249,115,22,0.08) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 700px; padding: 80px 0; }
.hero-badge { display: inline-block; padding: 6px 16px; font-size: 0.82rem; font-weight: 500; letter-spacing: 0.06em; color: var(--color-accent); border: 1px solid rgba(200,164,92,0.3); border-radius: 50px; margin-bottom: 24px; }
.hero h1 { font-size: 3.5rem; font-weight: 700; color: var(--color-text-inverse); line-height: 1.15; margin-bottom: 20px; }
.hero h1 span { color: var(--color-accent); }
.hero p { font-size: 1.15rem; color: rgba(255,255,255,0.7); max-width: 560px; line-height: 1.7; margin-bottom: 36px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
@media (max-width: 768px) { .hero { min-height: 80vh; } .hero h1 { font-size: 2.25rem; } .hero p { font-size: 1rem; } }
section { padding: 96px 0; }
@media (max-width: 768px) { section { padding: 64px 0; } }
.section-header { text-align: center; margin-bottom: 56px; }
.section-header .section-subtitle { margin: 0 auto; }
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card { padding: 36px 28px; background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); transition: all var(--transition); }
.feature-card:hover { box-shadow: var(--shadow-md); border-color: var(--color-accent); transform: translateY(-4px); }
.feature-icon { width: 52px; height: 52px; background: rgba(200,164,92,0.1); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin-bottom: 20px; }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--color-text-light); line-height: 1.65; }
@media (max-width: 768px) { .features-grid { grid-template-columns: 1fr; } }
@media (min-width: 769px) and (max-width: 1024px) { .features-grid { grid-template-columns: repeat(2, 1fr); } }
.products-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.product-card { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); }
.product-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.product-card-image { aspect-ratio: 4/3; background: var(--color-bg-alt); overflow: hidden; }
.product-card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.product-card:hover .product-card-image img { transform: scale(1.05); }
.product-card-body { padding: 20px 24px; }
.product-card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
.product-card-body p { font-size: 0.9rem; color: var(--color-text-light); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-specs-bar { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 10px; }
.product-spec-badge { display: inline-flex; align-items: center; gap: 3px; padding: 2px 8px; font-size: 0.72rem; font-weight: 600; border-radius: 4px; line-height: 1.5; background: #f0f4f8; color: #1a1a2e; letter-spacing: 0.01em; }
.product-spec-badge.cert { background: rgba(249,115,22,0.12); color: #c2410c; }
.product-spec-badge.cold { background: rgba(8,145,178,0.1); color: #0891b2; }
.product-spec-badge.warm { background: rgba(234,179,8,0.12); color: #a16207; }
.product-spec-badge.budget { background: rgba(34,197,94,0.1); color: #15803d; }
.product-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
.product-tag { padding: 4px 10px; background: rgba(200,164,92,0.1); color: var(--color-accent-dark); border-radius: 50px; font-weight: 500; }
.product-link { font-weight: 500; color: var(--color-secondary); display: inline-flex; align-items: center; gap: 4px; }
.product-link:hover { color: var(--color-accent); }
@media (max-width: 768px) { .products-grid { grid-template-columns: 1fr; } }
@media (min-width: 769px) and (max-width: 1024px) { .products-grid { grid-template-columns: repeat(2, 1fr); } }
.stats-bar { background: linear-gradient(135deg, var(--color-primary) 0%, #111827 100%); padding: 64px 0; border-top: 3px solid var(--color-accent); border-bottom: 3px solid var(--color-accent); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item h3 { font-size: 2.5rem; font-weight: 700; color: var(--color-accent); margin-bottom: 4px; }
.stat-item p { font-size: 0.95rem; color: rgba(255,255,255,0.7); }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; } .stat-item h3 { font-size: 2rem; } }
.cta-section { background: linear-gradient(135deg, var(--color-bg-dark) 0%, var(--color-primary) 60%, rgba(249,115,22,0.1) 100%); text-align: center; padding: 80px 0; }
.cta-section h2 { font-size: 2.25rem; color: var(--color-text-inverse); margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); font-size: 1.1rem; margin-bottom: 32px; }
.site-footer { background: var(--color-bg-dark); color: rgba(255,255,255,0.6); padding: 64px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo { color: var(--color-text-inverse); margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-col h4 { color: var(--color-text-inverse); font-size: 0.95rem; margin-bottom: 16px; }
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 0.9rem; color: rgba(255,255,255,0.5); }
.footer-col a:hover { color: var(--color-accent); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } .footer-brand { grid-column: 1 / -1; } }
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }
.breadcrumb { padding: 108px 0 20px; background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); }
.breadcrumb-inner { font-size: 0.88rem; color: var(--color-text-light); }
.breadcrumb-inner a { color: var(--color-text-light); }
.breadcrumb-inner a:hover { color: var(--color-primary); }
.breadcrumb-inner span { color: var(--color-text); font-weight: 500; }
.page-header { background: var(--color-primary); padding: 128px 0 64px; text-align: center; }
.page-header h1 { font-size: 2.75rem; color: var(--color-text-inverse); margin-bottom: 12px; }
.page-header p { color: rgba(255,255,255,0.65); font-size: 1.1rem; max-width: 500px; margin: 0 auto; }
@media (max-width: 768px) { .page-header h1 { font-size: 2rem; } }
.about-story { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.about-story-image { border-radius: var(--radius-md); overflow: hidden; aspect-ratio: 4/3; background: var(--color-bg-alt); }
.about-story-image img { width: 100%; height: 100%; object-fit: cover; }
.about-story-text h2 { margin-bottom: 16px; }
.about-story-text p { font-size: 0.98rem; color: var(--color-text-light); line-height: 1.75; margin-bottom: 16px; }
.about-values { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.value-card { padding: 24px; border: 1px solid var(--color-border); border-radius: var(--radius-md); text-align: center; }
.value-card h4 { font-size: 1rem; margin-bottom: 8px; }
.value-card p { font-size: 0.88rem; color: var(--color-text-light); }
.value-icon { font-size: 2rem; margin-bottom: 12px; }
@media (max-width: 768px) { .about-story { grid-template-columns: 1fr; gap: 32px; } .about-values { grid-template-columns: 1fr; } }
.product-detail-hero { padding: 128px 0 48px; background: var(--color-bg-alt); }
.product-detail-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.product-gallery { position: sticky; top: calc(var(--header-height) + 24px); }
.product-main-image { aspect-ratio: 4/3; background: var(--color-bg); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 12px; }
.product-main-image img { width: 100%; height: 100%; object-fit: cover; }
.product-thumbnails { display: flex; gap: 10px; }
.product-thumb { width: 80px; height: 60px; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; border: 2px solid transparent; transition: all var(--transition); background: var(--color-bg); }
.product-thumb.active { border-color: var(--color-accent); }
.product-thumb.thumb-video { position: relative; }
.product-thumb.thumb-video::after { content: "\25B6"; position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.3); color: white; font-size: 1.2rem; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; }
.product-info h1 { font-size: 2rem; margin-bottom: 8px; }
.product-info .product-tag { display: inline-block; margin-bottom: 20px; }
.product-description { margin: 24px 0; }
.product-description p { color: var(--color-text-light); line-height: 1.75; margin-bottom: 16px; }
.product-specs { margin: 24px 0; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.spec-row { display: grid; grid-template-columns: 1fr 1.5fr; padding: 12px 20px; font-size: 0.92rem; }
.spec-row:nth-child(odd) { background: var(--color-bg-alt); }
.spec-label { font-weight: 500; color: var(--color-text); }
.spec-value { color: var(--color-text-light); }
.product-inquiry-form { background: var(--color-bg-alt); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 32px; margin-top: 32px; }
.product-inquiry-form h3 { margin-bottom: 20px; }
@media (max-width: 768px) { .product-detail-grid { grid-template-columns: 1fr; } .product-gallery { position: static; } .product-detail-hero { padding: 108px 0 32px; } .product-info h1 { font-size: 1.5rem; } }
.media-section { padding: 80px 0; background: var(--color-bg-alt); }
.media-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.media-card { background: var(--color-bg); border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); transition: all var(--transition); }
.media-card:hover { box-shadow: var(--shadow-md); }
.media-video { aspect-ratio: 16/9; background: #000; position: relative; overflow: hidden; cursor: pointer; }
.media-video video { width: 100%; height: 100%; object-fit: cover; }
.media-video .play-btn { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; background: rgba(0,0,0,0.3); transition: background var(--transition); }
.media-video:hover .play-btn { background: rgba(0,0,0,0.15); }
.play-btn-inner { width: 60px; height: 60px; background: var(--color-accent); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; color: var(--color-primary-dark); box-shadow: 0 4px 20px rgba(200,164,92,0.4); }
.media-body { padding: 20px 24px; }
.media-body h4 { font-size: 1.05rem; margin-bottom: 6px; }
.media-body p { font-size: 0.88rem; color: var(--color-text-light); }
@media (max-width: 768px) { .media-grid { grid-template-columns: 1fr; } }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.gallery-item { aspect-ratio: 4/3; border-radius: var(--radius-sm); overflow: hidden; cursor: pointer; background: var(--color-bg-alt); position: relative; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item .gallery-label { position: absolute; bottom: 0; left: 0; right: 0; padding: 12px 16px; background: linear-gradient(transparent, rgba(0,0,0,0.7)); color: white; font-size: 0.85rem; font-weight: 500; opacity: 0; transition: opacity var(--transition); }
.gallery-item:hover .gallery-label { opacity: 1; }
.exhibition-placeholder { width: 100%; height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; background: var(--color-bg-alt); border: 2px dashed var(--color-border); border-radius: var(--radius-sm); color: var(--color-text-light); font-size: 2rem; }
.exhibition-placeholder span { font-size: 0.82rem; font-weight: 500; color: var(--color-text-light); }
@media (max-width: 768px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; } }
@media (max-width: 480px) { .gallery-grid { grid-template-columns: 1fr; } }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 48px; }
.contact-info h2 { margin-bottom: 16px; }
.contact-info p { color: var(--color-text-light); margin-bottom: 32px; line-height: 1.7; }
.contact-detail { display: flex; gap: 16px; margin-bottom: 20px; }
.contact-detail-icon { width: 44px; height: 44px; min-width: 44px; background: rgba(200,164,92,0.1); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; font-size: 1.2rem; }
.contact-detail h4 { font-size: 0.95rem; margin-bottom: 2px; }
.contact-detail p { font-size: 0.9rem; margin-bottom: 0; }
.inquiry-form { background: var(--color-bg); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: 36px; box-shadow: var(--shadow-sm); }
.inquiry-form h3 { margin-bottom: 24px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 0.88rem; font-weight: 500; margin-bottom: 6px; color: var(--color-text); }
.form-group input, .form-group select, .form-group textarea { width: 100%; padding: 11px 14px; font-size: 0.95rem; font-family: var(--font-primary); border: 1.5px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-bg); color: var(--color-text); transition: border-color var(--transition); outline: none; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--color-accent); box-shadow: 0 0 0 3px rgba(200,164,92,0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.form-success { display: none; text-align: center; padding: 40px 20px; }
.form-success.show { display: block; }
.form-success .success-icon { font-size: 3rem; margin-bottom: 16px; }
.form-success h4 { font-size: 1.3rem; margin-bottom: 8px; }
.form-success p { color: var(--color-text-light); }
.inquiry-section { padding: 64px 0; }
.inquiry-section .inquiry-form { max-width: 720px; margin: 0 auto; }
.inquiry-sub { color: var(--color-text-light); margin-bottom: 20px; font-size: 0.95rem; }
.customization-list { list-style: none; display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; padding: 0; }
.customization-list li { position: relative; padding-left: 22px; font-size: 0.92rem; color: var(--color-text-light); line-height: 1.5; }
.customization-list li::before { content: "\2713"; position: absolute; left: 0; color: var(--color-accent); font-weight: 700; }
@media (max-width: 640px) { .customization-list { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } .form-row { grid-template-columns: 1fr; } .inquiry-form { padding: 24px; } }
.lightbox { position: fixed; inset: 0; z-index: 2000; background: rgba(0,0,0,0.9); display: flex; align-items: center; justify-content: center; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.lightbox.open { opacity: 1; pointer-events: auto; }
.lightbox-content { max-width: 90vw; max-height: 85vh; position: relative; }
.lightbox-content img, .lightbox-content video { max-width: 100%; max-height: 85vh; border-radius: var(--radius-sm); }
.lightbox-close { position: absolute; top: -40px; right: 0; background: none; border: none; color: white; font-size: 1.8rem; cursor: pointer; padding: 4px 8px; opacity: 0.7; }
.lightbox-close:hover { opacity: 1; }
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; margin-bottom: 40px; }
.filter-btn { padding: 8px 20px; font-size: 0.9rem; font-weight: 500; border: 1.5px solid var(--color-border); border-radius: 50px; background: var(--color-bg); cursor: pointer; transition: all var(--transition); color: var(--color-text-light); font-family: var(--font-primary); }
.filter-btn:hover { border-color: var(--color-accent); color: var(--color-accent-dark); }
.filter-btn.active { background: var(--color-accent); border-color: var(--color-accent); color: var(--color-primary-dark); }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-40 { margin-top: 40px; }
.bg-alt { background: linear-gradient(180deg, var(--color-bg-alt) 0%, #fff 100%); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.bg-white { background: var(--color-bg); }



.whatsapp-float {
  position: fixed; bottom: 24px; right: 24px;
  background: #25D366; color: white;
  border-radius: 50px; padding: 12px 20px;
  display: flex; align-items: center; gap: 8px;
  text-decoration: none;
  box-shadow: 0 4px 16px rgba(37,211,102,0.3);
  z-index: 999; transition: all 0.3s ease;
  font-size: 0.9rem; font-weight: 500;
}
.whatsapp-float:hover {
  background: #20bd5a; color: white;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}
@media (max-width: 768px) {
  .whatsapp-float { padding: 10px 16px; font-size: 0.8rem; }
}

.spec-pair {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  padding: 0;
}
.spec-pair .spec-col {
  padding: 12px 20px;
  border-right: 1px solid var(--color-border);
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 0;
}
.spec-pair .spec-col:last-child {
  border-right: none;
}
.spec-pair:nth-child(odd) .spec-col {
  background: var(--color-bg-alt);
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}
.spec-table th, .spec-table td {
  padding: 10px 14px;
  text-align: left;
  border: 1px solid var(--color-border);
}
.spec-table thead th {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  font-weight: 600;
  font-size: 0.85rem;
}
.spec-table tbody tr:nth-child(odd) {
  background: var(--color-bg-alt);
}
.spec-table tbody tr:first-child td {
  font-weight: 500;
}
.spec-table .spec-label {
  font-weight: 600;
  white-space: nowrap;
}


.b2b-section { background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-alt) 100%); }
.trust-badges { background: var(--color-primary); padding: 20px 0; }
.trusted-row { background: var(--color-bg-alt); border-bottom: 1px solid var(--color-border); padding: 16px 0; }
.trusted-inner { display: flex; align-items: center; justify-content: center; gap: 28px; flex-wrap: wrap; }
.trusted-label { font-size: 0.9rem; font-weight: 600; color: var(--color-text); white-space: nowrap; }
.trusted-flags { display: flex; gap: 18px; flex-wrap: wrap; justify-content: center; }
.trusted-flag { display: inline-flex; align-items: center; gap: 6px; font-size: 0.85rem; font-weight: 500; color: var(--color-text-light); }
.trusted-flag .flag { font-size: 1.25rem; line-height: 1; }
@media (max-width: 640px) { .trusted-inner { flex-direction: column; gap: 10px; } }
.trust-badges-inner { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; align-items: center; }
.trust-badge { display: inline-block; padding: 8px 18px; border: 1px solid rgba(249,115,22,0.4); border-radius: 50px; color: var(--color-accent); font-size: 0.85rem; font-weight: 500; letter-spacing: 0.03em; }