/* ============================================
   Guideon Tech - Industrial Navigation Systems
   Hong Kong B2B Website - Production Ready
   ============================================ */

:root {
    --primary-dark: #0B1929;
    --primary-blue: #0F3460;
    --accent-cyan: #00D4FF;
    --accent-blue: #1E90FF;
    --background: #F8FAFC;
    --card-bg: #FFFFFF;
    --text-dark: #1E293B;
    --text-gray: #64748B;
    --border: #E2E8F0;
    --section-padding: 100px 0;
    --container-width: 1280px;
    --transition: all 0.3s ease;
    --transition-slow: all 0.5s ease;
    --shadow-sm: 0 2px 8px rgba(11, 25, 41, 0.08);
    --shadow-md: 0 4px 20px rgba(11, 25, 41, 0.12);
    --shadow-lg: 0 8px 40px rgba(11, 25, 41, 0.16);
    --shadow-glow: 0 0 30px rgba(0, 212, 255, 0.3);
}

*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: 'Inter', sans-serif; background: var(--background); color: var(--text-dark); line-height: 1.6; overflow-x: hidden; }
h1, h2, h3, h4, h5, h6 { font-family: 'Outfit', sans-serif; font-weight: 700; line-height: 1.2; color: var(--primary-dark); }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
button, input, textarea, select { font-family: inherit; font-size: inherit; }

.container { max-width: var(--container-width); margin: 0 auto; padding: 0 24px; }
.section { padding: var(--section-padding); }
.text-center { text-align: center; }
.text-accent { color: var(--accent-cyan); }

@keyframes fadeInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.05); } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }

.animate-fade-in-up { animation: fadeInUp 0.8s ease forwards; }
.animate-fade-in { animation: fadeIn 0.6s ease forwards; }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

.scroll-animate { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease, transform 0.8s ease; }
.scroll-animate.visible { opacity: 1; transform: translateY(0); }

.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: transparent; transition: var(--transition); padding: 20px 0; }
.header.scrolled { background: rgba(11, 25, 41, 0.95); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); padding: 12px 0; box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; max-width: var(--container-width); margin: 0 auto; padding: 0 16px; gap: 16px; }

.logo { display: flex; align-items: center; gap: 12px; }
.logo svg { width: 48px; height: 48px; }
.logo-text { font-family: 'Outfit', sans-serif; font-size: 1.5rem; font-weight: 700; color: var(--card-bg); }
.logo-text span { color: var(--accent-cyan); }

.nav { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; justify-content: center; }
.nav-link { color: rgba(255, 255, 255, 0.85); font-weight: 500; font-size: 0.88rem; position: relative; padding: 8px 0; white-space: nowrap; }
.nav-link::after { content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--accent-cyan); transition: var(--transition); }
.nav-link:hover { color: var(--card-bg); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--accent-cyan); }

.lang-toggle { display: flex; align-items: center; gap: 8px; color: var(--card-bg); font-size: 0.9rem; cursor: pointer; padding: 8px 16px; border: 1px solid rgba(255, 255, 255, 0.3); border-radius: 20px; transition: var(--transition); }
.lang-toggle:hover { border-color: var(--accent-cyan); background: rgba(0, 212, 255, 0.1); }

.menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 10px; z-index: 1001; }
.menu-toggle span { display: block; width: 25px; height: 2px; background: var(--card-bg); transition: var(--transition); }
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 14px 32px; font-weight: 600; font-size: 0.95rem; border-radius: 8px; cursor: pointer; transition: var(--transition); border: 2px solid transparent; }
.btn-primary { background: var(--accent-cyan); color: var(--primary-dark); border-color: var(--accent-cyan); }
.btn-primary:hover { background: transparent; color: var(--accent-cyan); box-shadow: var(--shadow-glow); }
.btn-outline { background: transparent; color: var(--card-bg); border-color: var(--card-bg); }
.btn-outline:hover { background: var(--card-bg); color: var(--primary-dark); }
.btn-outline-dark { background: transparent; color: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline-dark:hover { background: var(--primary-dark); color: var(--card-bg); }
.btn-secondary { background: var(--primary-blue); color: var(--card-bg); border-color: var(--primary-blue); }
.btn-secondary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm { padding: 10px 20px; font-size: 0.875rem; }
.btn-lg { padding: 18px 40px; font-size: 1.1rem; }

.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; background: url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80') center/cover no-repeat; overflow: hidden; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11, 25, 41, 0.92) 0%, rgba(15, 52, 96, 0.85) 50%, rgba(11, 25, 41, 0.9) 100%); }
.hero::after { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 40%), radial-gradient(circle at 80% 20%, rgba(30, 144, 255, 0.1) 0%, transparent 40%); }
.hero-content { position: relative; z-index: 1; text-align: center; max-width: 900px; padding: 0 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; background: rgba(0, 212, 255, 0.15); border: 1px solid var(--accent-cyan); border-radius: 30px; color: var(--accent-cyan); font-size: 0.875rem; font-weight: 500; margin-bottom: 24px; animation: fadeInUp 0.8s ease forwards; }
.hero-title { font-size: clamp(2.5rem, 6vw, 4.5rem); color: var(--card-bg); margin-bottom: 24px; animation: fadeInUp 0.8s ease forwards; animation-delay: 0.1s; opacity: 0; }
.hero-title span { background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-subtitle { font-size: clamp(1rem, 2vw, 1.25rem); color: rgba(255, 255, 255, 0.8); margin-bottom: 40px; line-height: 1.8; animation: fadeInUp 0.8s ease forwards; animation-delay: 0.2s; opacity: 0; }
.hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; animation: fadeInUp 0.8s ease forwards; animation-delay: 0.3s; opacity: 0; }
.hero-scroll { position: absolute; bottom: 40px; left: 50%; transform: translateX(-50%); display: flex; flex-direction: column; align-items: center; gap: 8px; color: rgba(255, 255, 255, 0.6); font-size: 0.875rem; animation: float 2s ease-in-out infinite; }
.hero-scroll svg { width: 24px; height: 24px; stroke: var(--accent-cyan); }

.page-hero { position: relative; min-height: 15vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%); padding-top: 100px; }
.page-hero::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 30% 70%, rgba(0, 212, 255, 0.1) 0%, transparent 50%), radial-gradient(circle at 70% 30%, rgba(30, 144, 255, 0.1) 0%, transparent 50%); }
.page-hero-content { position: relative; z-index: 1; text-align: center; padding: 0 24px; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.5rem); color: var(--card-bg); margin-bottom: 16px; }
.breadcrumb { display: flex; align-items: center; justify-content: center; gap: 12px; color: rgba(255, 255, 255, 0.7); font-size: 0.95rem; }
.breadcrumb a:hover { color: var(--accent-cyan); }
.breadcrumb span { color: var(--accent-cyan); }

.section-header { text-align: center; max-width: 700px; margin: 0 auto 60px; }
.section-title { font-size: clamp(1.75rem, 4vw, 2.75rem); margin-bottom: 16px; }
.section-subtitle { font-size: 1.1rem; color: var(--text-gray); }
.section-title-cn { display: block; font-size: 1rem; color: var(--accent-cyan); font-weight: 500; margin-top: 8px; }

.product-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 30px; }
.product-card { background: var(--card-bg); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid var(--border); }
.product-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: var(--accent-cyan); }
.product-image { position: relative; height: 90px; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition-slow); }
.product-card:hover .product-image img { transform: scale(1.1); }
.product-content { padding: 24px; }
.product-category { font-size: 0.8rem; font-weight: 600; color: var(--accent-cyan); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.product-name { font-size: 1.25rem; margin-bottom: 4px; color: var(--primary-dark); }
.product-name-cn { font-size: 0.9rem; color: var(--text-gray); margin-bottom: 16px; }
.product-specs { margin-bottom: 20px; }
.product-spec { display: flex; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.product-spec:last-child { border-bottom: none; }
.spec-label { color: var(--text-gray); }
.spec-value { font-weight: 600; color: var(--primary-dark); }
.product-link { display: inline-flex; align-items: center; gap: 8px; color: var(--accent-blue); font-weight: 600; font-size: 0.9rem; }
.product-link:hover { color: var(--accent-cyan); gap: 12px; }

.why-choose-section { background: var(--card-bg); }
.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 30px; }
.advantage-card { text-align: center; padding: 40px 30px; border-radius: 16px; background: var(--background); border: 1px solid var(--border); transition: var(--transition); }
.advantage-card:hover { transform: translateY(-5px); border-color: var(--accent-cyan); box-shadow: var(--shadow-md); }
.advantage-icon { width: 80px; height: 80px; margin: 0 auto 24px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); border-radius: 50%; transition: var(--transition); }
.advantage-card:hover .advantage-icon { transform: scale(1.1); box-shadow: var(--shadow-glow); }
.advantage-icon svg { width: 36px; height: 36px; stroke: var(--primary-dark); }
.advantage-title { font-size: 1.25rem; margin-bottom: 12px; }
.advantage-desc { color: var(--text-gray); font-size: 0.95rem; }

.stats-section { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%); padding: 60px 0; position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 10% 50%, rgba(0, 212, 255, 0.15) 0%, transparent 40%), radial-gradient(circle at 90% 50%, rgba(30, 144, 255, 0.15) 0%, transparent 40%); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; position: relative; z-index: 1; }
.stat-item { text-align: center; }
.stat-number { font-family: 'Outfit', sans-serif; font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; color: var(--accent-cyan); margin-bottom: 8px; }
.stat-label { color: rgba(255, 255, 255, 0.8); font-size: 1rem; }

.applications-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 30px; }
.application-card { background: var(--card-bg); border-radius: 16px; padding: 32px; border: 1px solid var(--border); transition: var(--transition); display: flex; gap: 20px; }
.application-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: var(--accent-cyan); }
.app-icon { flex-shrink: 0; width: 64px; height: 64px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(30, 144, 255, 0.1)); border-radius: 12px; }
.app-icon svg { width: 32px; height: 32px; stroke: var(--accent-cyan); }
.app-content h3 { font-size: 1.2rem; margin-bottom: 8px; }
.app-content p { color: var(--text-gray); font-size: 0.9rem; }

.featured-section { background: var(--card-bg); }
.featured-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.featured-card { position: relative; border-radius: 20px; overflow: hidden; background: var(--background); transition: var(--transition); }
.featured-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.featured-image { height: 280px; overflow: hidden; }
.featured-image img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition-slow); }
.featured-card:hover .featured-image img { transform: scale(1.1); }
.featured-overlay { position: absolute; bottom: 0; left: 0; right: 0; padding: 30px; background: linear-gradient(to top, rgba(11, 25, 41, 0.95), transparent); }
.featured-tag { display: inline-block; padding: 4px 12px; background: var(--accent-cyan); color: var(--primary-dark); font-size: 0.75rem; font-weight: 600; border-radius: 4px; margin-bottom: 12px; }
.featured-title { font-size: 1.4rem; color: var(--card-bg); margin-bottom: 8px; }
.featured-specs { display: flex; gap: 20px; color: rgba(255, 255, 255, 0.7); font-size: 0.85rem; }

.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
.testimonial-card { background: var(--card-bg); border-radius: 16px; padding: 40px; border: 1px solid var(--border); transition: var(--transition); }
.testimonial-card:hover { box-shadow: var(--shadow-md); border-color: var(--accent-cyan); }
.testimonial-quote { font-size: 1.1rem; line-height: 1.8; color: var(--text-dark); margin-bottom: 24px; position: relative; }
.testimonial-quote::before { content: '"'; position: absolute; top: -20px; left: -10px; font-size: 4rem; color: var(--accent-cyan); opacity: 0.2; font-family: Georgia, serif; }
.testimonial-author { display: flex; align-items: center; gap: 16px; }
.testimonial-avatar { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); display: flex; align-items: center; justify-content: center; font-size: 1.25rem; font-weight: 700; color: var(--primary-dark); }
.testimonial-info h4 { font-size: 1rem; margin-bottom: 4px; }
.testimonial-info span { font-size: 0.875rem; color: var(--text-gray); }

.cta-section { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-blue) 100%); padding: 80px 0; position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.2) 0%, transparent 50%), radial-gradient(circle at 80% 50%, rgba(30, 144, 255, 0.2) 0%, transparent 50%); }
.cta-content { position: relative; z-index: 1; text-align: center; max-width: 600px; margin: 0 auto; }
.cta-title { font-size: clamp(1.75rem, 4vw, 2.5rem); color: var(--card-bg); margin-bottom: 16px; }
.cta-subtitle { color: rgba(255, 255, 255, 0.8); font-size: 1.1rem; margin-bottom: 32px; }

.footer { background: var(--primary-dark); padding: 80px 0 30px; color: rgba(255, 255, 255, 0.8); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }
.footer-brand p { margin-top: 16px; font-size: 0.95rem; line-height: 1.7; color: rgba(255, 255, 255, 0.6); }
.footer-title { font-size: 1.1rem; color: var(--card-bg); margin-bottom: 24px; font-family: 'Outfit', sans-serif; }
.footer-links li { margin-bottom: 12px; }
.footer-links a { font-size: 0.95rem; color: rgba(255, 255, 255, 0.6); transition: var(--transition); }
.footer-links a:hover { color: var(--accent-cyan); padding-left: 5px; }
.footer-contact p { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; font-size: 0.95rem; color: rgba(255, 255, 255, 0.6); }
.footer-contact svg { width: 18px; height: 18px; stroke: var(--accent-cyan); }
.footer-bottom { padding-top: 30px; border-top: 1px solid rgba(255, 255, 255, 0.1); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.footer-bottom p { font-size: 0.875rem; color: rgba(255, 255, 255, 0.5); }
.footer-social { display: flex; gap: 16px; }
.footer-social a { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: rgba(255, 255, 255, 0.1); border-radius: 50%; transition: var(--transition); }
.footer-social a:hover { background: var(--accent-cyan); }
.footer-social svg { width: 20px; height: 20px; stroke: var(--card-bg); }

.product-category-section { margin-bottom: 80px; }
.category-header { display: flex; align-items: center; gap: 20px; margin-bottom: 40px; padding-bottom: 20px; border-bottom: 2px solid var(--border); }
.category-icon { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); border-radius: 12px; }
.category-icon svg { width: 30px; height: 30px; stroke: var(--primary-dark); }
.category-title h3 { font-size: 1.5rem; margin-bottom: 4px; }
.category-title p { color: var(--text-gray); font-size: 0.95rem; }
.product-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 30px; }
.product-detail-card { background: var(--card-bg); border-radius: 16px; overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.product-detail-card:hover { box-shadow: var(--shadow-lg); border-color: var(--accent-cyan); }
.product-detail-image { height: 240px; overflow: hidden; }
.product-detail-image img { width: 100%; height: 100%; object-fit: contain; }
.product-detail-content { padding: 30px; }
.product-model { font-size: 0.85rem; color: var(--accent-blue); font-weight: 600; margin-bottom: 8px; }
.product-detail-name { font-size: 1.35rem; margin-bottom: 16px; }
.product-specs-table { margin-bottom: 20px; }
.spec-row { display: flex; justify-content: space-between; padding: 10px 0; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
.spec-row:last-child { border-bottom: none; }
.product-applications { margin-bottom: 24px; }
.product-applications h4 { font-size: 0.9rem; margin-bottom: 10px; color: var(--text-gray); }
.app-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.app-tag { padding: 4px 12px; background: var(--background); border-radius: 4px; font-size: 0.8rem; color: var(--text-gray); }
.product-actions { display: flex; gap: 12px; }

.solution-block { margin-bottom: 100px; }
.solution-hero { position: relative; height: 450px; border-radius: 24px; overflow: hidden; margin-bottom: 40px; }
.solution-hero img { width: 100%; height: 100%; object-fit: contain; }
.solution-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(11, 25, 41, 0.85), rgba(15, 52, 96, 0.7)); }
.solution-hero-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 40px; }
.solution-hero h2 { font-size: 2rem; color: var(--card-bg); margin-bottom: 8px; }
.solution-hero p { color: rgba(255, 255, 255, 0.8); font-size: 1.1rem; }
.solution-components { margin-bottom: 40px; }
.solution-components h3 { font-size: 1.25rem; margin-bottom: 20px; }
.component-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; }
.component-item { display: flex; align-items: center; gap: 12px; padding: 16px; background: var(--card-bg); border-radius: 8px; border: 1px solid var(--border); }
.component-item svg { width: 24px; height: 24px; stroke: var(--accent-cyan); flex-shrink: 0; }
.solution-advantages { margin-bottom: 40px; }
.advantage-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.advantage-item { text-align: center; padding: 30px; background: var(--card-bg); border-radius: 12px; border: 1px solid var(--border); }
.advantage-item h4 { font-size: 1.1rem; margin-bottom: 8px; }
.advantage-item p { color: var(--text-gray); font-size: 0.9rem; }
.scenario-tags { display: flex; flex-wrap: wrap; gap: 12px; }
.scenario-tag { padding: 10px 20px; background: var(--background); border-radius: 6px; font-size: 0.9rem; color: var(--text-gray); }

.about-overview { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.about-content h2 { font-size: 2rem; margin-bottom: 24px; }
.about-content p { color: var(--text-gray); margin-bottom: 20px; line-height: 1.8; }
.about-image { border-radius: 20px; overflow: hidden; height: 400px; }
.about-image img { width: 100%; height: 100%; object-fit: contain; }
.core-strengths { background: var(--card-bg); }
.strengths-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.strength-card { text-align: center; padding: 40px 24px; border-radius: 16px; background: var(--background); border: 1px solid var(--border); transition: var(--transition); }
.strength-card:hover { transform: translateY(-5px); border-color: var(--accent-cyan); }
.strength-icon { width: 72px; height: 72px; margin: 0 auto 20px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); border-radius: 50%; }
.strength-icon svg { width: 32px; height: 32px; stroke: var(--primary-dark); }
.strength-title { font-size: 1.15rem; margin-bottom: 8px; }
.strength-desc { color: var(--text-gray); font-size: 0.9rem; }
.certifications-section { background: var(--background); }
.cert-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; }
.cert-item { text-align: center; padding: 40px 24px; background: var(--card-bg); border-radius: 16px; border: 1px solid var(--border); }
.cert-logo { width: 80px; height: 80px; margin: 0 auto 20px; background: var(--background); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-size: 2rem; }
.cert-name { font-size: 1rem; font-weight: 600; color: var(--primary-dark); }
.global-presence { background: var(--card-bg); }
.world-map { position: relative; height: 400px; background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue)); border-radius: 24px; overflow: hidden; margin-top: 40px; }

.cases-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 40px; }
.case-card { background: var(--card-bg); border-radius: 20px; overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.case-card:hover { transform: translateY(-10px); box-shadow: var(--shadow-lg); }
.case-image { height: 240px; overflow: hidden; position: relative; }
.case-image img { width: 100%; height: 100%; object-fit: contain; transition: var(--transition-slow); }
.case-card:hover .case-image img { transform: scale(1.1); }
.case-tag { position: absolute; top: 16px; left: 16px; padding: 6px 14px; background: var(--accent-cyan); color: var(--primary-dark); font-size: 0.75rem; font-weight: 600; border-radius: 4px; }
.case-content { padding: 30px; }
.case-title { font-size: 1.35rem; margin-bottom: 16px; }
.case-section { margin-bottom: 16px; }
.case-section h4 { font-size: 0.9rem; color: var(--text-gray); margin-bottom: 6px; }
.case-section p { font-size: 0.95rem; color: var(--text-dark); }

.compliance-statement { background: linear-gradient(135deg, var(--primary-dark), var(--primary-blue)); padding: 60px; border-radius: 24px; text-align: center; color: var(--card-bg); margin-bottom: 60px; }
.compliance-statement h2 { font-size: 2rem; margin-bottom: 16px; color: var(--card-bg); }
.compliance-statement p { font-size: 1.1rem; max-width: 700px; margin: 0 auto; opacity: 0.9; }
.regulations-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; margin-bottom: 60px; }
.reg-card { background: var(--card-bg); border-radius: 16px; padding: 40px; border: 1px solid var(--border); text-align: center; transition: var(--transition); }
.reg-card:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-md); }
.reg-icon { width: 80px; height: 80px; margin: 0 auto 24px; background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 2rem; font-weight: 700; color: var(--primary-dark); }
.reg-card h3 { font-size: 1.35rem; margin-bottom: 12px; }
.reg-card p { color: var(--text-gray); font-size: 0.95rem; }
.compliance-services { background: var(--card-bg); padding: 60px; border-radius: 24px; margin-bottom: 60px; }
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
.service-item { display: flex; gap: 16px; }
.service-icon { flex-shrink: 0; width: 48px; height: 48px; display: flex; align-items: center; justify-content: center; background: rgba(0, 212, 255, 0.1); border-radius: 10px; }
.service-icon svg { width: 24px; height: 24px; stroke: var(--accent-cyan); }
.service-content h4 { font-size: 1rem; margin-bottom: 6px; }
.service-content p { font-size: 0.9rem; color: var(--text-gray); }
.cert-badges { display: flex; justify-content: center; flex-wrap: wrap; gap: 40px; }
.cert-badge { text-align: center; }
.badge-icon { width: 100px; height: 100px; background: var(--card-bg); border: 2px solid var(--border); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 12px; font-size: 2.5rem; }
.badge-label { font-size: 0.9rem; color: var(--text-gray); }

.contact-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 60px; }
.contact-info { background: var(--card-bg); border-radius: 20px; padding: 40px; border: 1px solid var(--border); }
.contact-info h3 { font-size: 1.5rem; margin-bottom: 30px; }
.info-item { display: flex; gap: 16px; margin-bottom: 24px; }
.info-icon { width: 48px; height: 48px; background: linear-gradient(135deg, rgba(0, 212, 255, 0.1), rgba(30, 144, 255, 0.1)); border-radius: 12px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.info-icon svg { width: 24px; height: 24px; stroke: var(--accent-cyan); }
.info-content h4 { font-size: 0.9rem; color: var(--text-gray); margin-bottom: 4px; }
.info-content p { font-size: 1rem; color: var(--text-dark); }
.map-embed { margin-top: 30px; border-radius: 16px; overflow: hidden; height: 250px; }
.map-embed iframe { width: 100%; height: 100%; border: none; }
.contact-form { background: var(--card-bg); border-radius: 20px; padding: 40px; border: 1px solid var(--border); }
.contact-form h3 { font-size: 1.5rem; margin-bottom: 30px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-group { margin-bottom: 24px; }
.form-group label { display: block; font-size: 0.9rem; font-weight: 600; color: var(--text-dark); margin-bottom: 8px; }
.form-group label span { color: var(--accent-cyan); }
.form-control { width: 100%; padding: 14px 18px; border: 2px solid var(--border); border-radius: 8px; font-size: 1rem; transition: var(--transition); background: var(--background); }
.form-control:focus { outline: none; border-color: var(--accent-cyan); box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1); }
.form-control.error { border-color: #e74c3c; }
textarea.form-control { min-height: 150px; resize: vertical; }
.form-error { color: #e74c3c; font-size: 0.8rem; margin-top: 6px; display: none; }
.form-error.show { display: block; }
select.form-control { cursor: pointer; }
.form-submit { margin-top: 16px; }
.form-success { display: none; padding: 20px; background: rgba(0, 212, 255, 0.1); border: 1px solid var(--accent-cyan); border-radius: 8px; text-align: center; color: var(--accent-cyan); font-weight: 600; }
.form-success.show { display: block; }
.faq-section { margin-top: 80px; }
.faq-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(450px, 1fr)); gap: 30px; }
.faq-item { background: var(--card-bg); border-radius: 16px; padding: 30px; border: 1px solid var(--border); }
.faq-question { font-size: 1.1rem; margin-bottom: 12px; display: flex; align-items: flex-start; gap: 12px; }
.faq-question::before { content: 'Q'; flex-shrink: 0; width: 28px; height: 28px; background: var(--accent-cyan); color: var(--primary-dark); font-size: 0.85rem; font-weight: 700; border-radius: 6px; display: flex; align-items: center; justify-content: center; }
.faq-answer { color: var(--text-gray); font-size: 0.95rem; line-height: 1.7; padding-left: 40px; }

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
    .about-overview { grid-template-columns: 1fr; }
    .strengths-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-grid { grid-template-columns: 1fr; }
    .regulations-grid { grid-template-columns: 1fr; }
    .advantage-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .header { padding: 12px 0; }
    .header-inner { padding: 0 16px; }
    .nav { position: fixed; top: 0; right: -100%; width: 80%; max-width: 350px; height: 100vh; background: var(--primary-dark); flex-direction: column; justify-content: center; gap: 30px; transition: var(--transition); z-index: 1000; }
    .nav.active { right: 0; }
    .nav-link { font-size: 1.1rem; color: var(--card-bg); }
    .lang-toggle { display: none; }
    .menu-toggle { display: flex; }
    .hero { min-height: 100vh; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .section { padding: 60px 0; }
    .product-grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: 1fr; gap: 24px; }
    .applications-grid { grid-template-columns: 1fr; }
    .application-card { flex-direction: column; text-align: center; }
    .featured-grid { grid-template-columns: 1fr; }
    .testimonials-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; gap: 30px; }
    .footer-bottom { flex-direction: column; text-align: center; }
    .strengths-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .product-list { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .faq-grid { grid-template-columns: 1fr; }
    .advantage-grid { grid-template-columns: 1fr; }
    .solution-hero { height: 300px; }
    .solution-hero-content { padding: 24px; }
    .solution-hero h2 { font-size: 1.5rem; }
    .cert-badges { gap: 20px; }
}
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero-title { font-size: 2rem; }
    .page-hero h1 { font-size: 1.75rem; }
    .section-title { font-size: 1.5rem; }
    .product-detail-content { padding: 20px; }
    .product-actions { flex-direction: column; }
    .btn { width: 100%; }
    .contact-info, .contact-form { padding: 24px; }
    .compliance-statement, .compliance-services { padding: 30px; }
    .cert-badges { flex-direction: column; align-items: center; }
}
/* Certification Cards */
.cert-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cert-grid{grid-template-columns:1fr}}
.cert-card{background:#fff;border-radius:16px;padding:28px;text-align:center;border:1px solid #e2e8f0;transition:all .3s ease}
.cert-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.08);border-color:#00D4FF}
.cert-card h3{font-family:'Outfit',sans-serif;font-size:1.2rem;font-weight:700;color:#0B1929;margin-bottom:8px}
.cert-card p{font-size:.88rem;color:#64748B}

/* Core Strengths */
.core-strengths{background:#f8fafc}
.strengths-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
@media(max-width:1024px){.strengths-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.strengths-grid{grid-template-columns:1fr}}
.strength-card{background:#fff;border-radius:16px;padding:28px;text-align:center;border:1px solid #e2e8f0;transition:all .3s ease}
.strength-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.08);border-color:#00D4FF}
.strength-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#00D4FF,#1E90FF);display:flex;align-items:center;justify-content:center;margin:0 auto 16px;font-size:1.4rem}
.strength-icon svg{width:28px;height:28px;color:#0B1929}
.strength-title{font-family:'Outfit',sans-serif;font-size:1.1rem;font-weight:700;color:#0B1929;margin-bottom:8px}
.strength-desc{font-size:.88rem;color:#64748B;line-height:1.6}

/* Global Presence */
.global-presence{background:#fff}
.presence-content{display:grid;grid-template-columns:1.5fr 1fr;gap:40px;align-items:center;margin-top:40px}
@media(max-width:900px){.presence-content{grid-template-columns:1fr}}
.presence-map img{width:100%;border-radius:16px}
.presence-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.stat-item{background:#f8fafc;border-radius:16px;padding:24px;text-align:center}
.stat-number{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:800;color:#00D4FF}
.stat-label{font-size:.85rem;color:rgba(255,255,255,.95);margin-top:4px}

/* About Page */
.about-overview{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:900px){.about-overview{grid-template-columns:1fr}}
.about-content h2{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:700;color:#0B1929;margin-bottom:20px}
.about-content p{font-size:.95rem;color:#475569;line-height:1.8;margin-bottom:16px}
.about-image img{width:100%;border-radius:16px}
/* Cases Page */
.cases-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.cases-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.cases-grid{grid-template-columns:1fr}}
.case-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 20px rgba(0,0,0,.06);transition:all .35s ease;border:1px solid #e2e8f0}
.case-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,.12);border-color:#00D4FF}
.case-image{height:90px;overflow:hidden}
.case-image img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease;display:block}
.case-card:hover .case-image img{transform:scale(1.05)}
.case-content{padding:24px}
.case-client{font-size:.8rem;font-weight:600;color:#00D4FF;margin-bottom:8px}
.case-card h3{font-family:'Outfit',sans-serif;font-size:1.15rem;font-weight:700;color:#0B1929;margin-bottom:10px}
.case-desc{font-size:.9rem;color:#64748B;line-height:1.65;margin-bottom:14px}
.case-results{display:flex;flex-wrap:wrap;gap:8px}
.result-tag{background:#f0f9ff;color:#0B1929;font-size:.75rem;font-weight:600;padding:4px 10px;border-radius:50px;border:1px solid #00D4FF}
/* Compliance Page */
.compliance-intro{background:#f8fafc;border-radius:16px;padding:32px;margin-bottom:40px;text-align:center}
.compliance-intro p{font-size:1rem;color:#475569;line-height:1.8;max-width:800px;margin:0 auto}
.compliance-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.compliance-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.compliance-grid{grid-template-columns:1fr}}
.compliance-card{background:#fff;border-radius:16px;padding:32px;border:1px solid #e2e8f0;transition:all .3s ease}
.compliance-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.08);border-color:#00D4FF}
.compliance-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#00D4FF,#1E90FF);display:flex;align-items:center;justify-content:center;margin-bottom:20px}
.compliance-icon svg{width:28px;height:28px;color:#0B1929}
.compliance-card h3{font-family:'Outfit',sans-serif;font-size:1.2rem;font-weight:700;color:#0B1929;margin-bottom:12px}
.compliance-desc{font-size:.9rem;color:#64748B;line-height:1.7;margin-bottom:16px}
.compliance-details{list-style:none;padding:0;margin:0}
.compliance-details li{font-size:.85rem;color:#475569;padding:6px 0;border-bottom:1px solid #f1f5f9}
.compliance-details li:last-child{border-bottom:none}

/* ITAR Free Section */
.itar-free{background:#f8fafc;color:#fff}
.itar-free .section-title{color:#fff}
.itar-free .section-subtitle{color:rgba(255,255,255,.95)}
.itar-content{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;margin-top:40px}
@media(max-width:900px){.itar-content{grid-template-columns:1fr}}
.itar-text h3{font-family:'Outfit',sans-serif;font-size:1.3rem;font-weight:700;color:#00D4FF;margin-bottom:12px;margin-top:24px}
.itar-text h3:first-child{margin-top:0}
.itar-text p{font-size:.95rem;color:rgba(255,255,255,.8);line-height:1.8;margin-bottom:16px}
.itar-text ul{list-style:none;padding:0;margin:0}
.itar-text ul li{font-size:.9rem;color:#fff;padding:8px 0;padding-left:24px;position:relative}
.itar-text ul li::before{content:'✓';position:absolute;left:0;color:#00D4FF;font-weight:bold}
.itar-benefits{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.benefit-item{background:rgba(0,212,255,.1);border:1px solid rgba(0,212,255,.3);border-radius:16px;padding:24px;text-align:center}
.benefit-number{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:800;color:#00D4FF}
.benefit-label{font-size:.85rem;color:rgba(255,255,255,.95);margin-top:8px}
/* Solutions Page */
.solutions-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.solutions-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.solutions-grid{grid-template-columns:1fr}}
.solution-card{background:#fff;border-radius:16px;padding:32px;border:1px solid #e2e8f0;transition:all .3s ease;position:relative;overflow:hidden}
.solution-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#00D4FF,#1E90FF);transform:scaleX(0);transition:transform .3s ease;transform-origin:left}
.solution-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,.1);border-color:#00D4FF}
.solution-card:hover::before{transform:scaleX(1)}
.solution-icon{width:64px;height:64px;border-radius:16px;background:linear-gradient(135deg,#0B1929,#0F3460);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:2rem}
.solution-card h3{font-family:'Outfit',sans-serif;font-size:1.25rem;font-weight:700;color:#0B1929;margin-bottom:12px}
.solution-card p{font-size:.9rem;color:#64748B;line-height:1.7;margin-bottom:16px}
.solution-features{list-style:none;padding:0;margin:0}
.solution-features li{font-size:.85rem;color:#475569;padding:6px 0;padding-left:20px;position:relative}
.solution-features li::before{content:'→';position:absolute;left:0;color:#00D4FF}
/* Contact Page */
.contact-wrapper{display:grid;grid-template-columns:1fr 1.5fr;gap:60px;margin-top:40px}
@media(max-width:900px){.contact-wrapper{grid-template-columns:1fr}}
.contact-details{background:#f8fafc;border-radius:16px;padding:40px;color:#fff}
.contact-details h3{font-family:'Outfit',sans-serif;font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:24px}
.info-card{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}
.info-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#00D4FF,#1E90FF);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:1.2rem}
.info-content h4{font-family:'Outfit',sans-serif;font-size:1rem;font-weight:600;color:#00D4FF;margin-bottom:6px}
.info-content p{font-size:.9rem;color:rgba(255,255,255,.8);line-height:1.5;margin:0}
.contact-form-section{background:#fff;border-radius:16px;padding:40px;border:1px solid #e2e8f0}
.contact-form-section h3{font-family:'Outfit',sans-serif;font-size:1.5rem;font-weight:700;color:#0B1929;margin-bottom:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}
@media(max-width:640px){.form-row{grid-template-columns:1fr}}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:.9rem;font-weight:600;color:#0B1929;margin-bottom:8px}
.form-input{width:100%;padding:14px 16px;border:1px solid #e2e8f0;border-radius:10px;font-size:.95rem;color:#1E293B;transition:all .3s ease;background:#fff}
.form-input:focus{outline:none;border-color:#00D4FF;box-shadow:0 0 0 3px rgba(0,212,255,.15)}
.form-textarea{width:100%;padding:14px 16px;border:1px solid #e2e8f0;border-radius:10px;font-size:.95rem;color:#1E293B;transition:all .3s ease;background:#fff;min-height:150px;resize:vertical;font-family:inherit}
.form-textarea:focus{outline:none;border-color:#00D4FF;box-shadow:0 0 0 3px rgba(0,212,255,.15)}
.submit-btn{background:#00D4FF;color:#0B1929;font-family:'Outfit',sans-serif;font-weight:700;font-size:1rem;padding:16px 36px;border-radius:10px;border:none;cursor:pointer;transition:all .3s ease;width:100%}
.submit-btn:hover{background:#00b8e0;transform:translateY(-2px);box-shadow:0 8px 30px rgba(0,212,255,.3)}
.map-section{margin-top:60px}
.map-section h3{font-family:'Outfit',sans-serif;font-size:1.5rem;font-weight:700;color:#0B1929;margin-bottom:20px;text-align:center}
.map-placeholder{background:#f8fafc;border-radius:16px;height:400px;display:flex;align-items:center;justify-content:center;border:1px solid #e2e8f0}
/* About Page Additional */
.about-content h2{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:700;color:#0B1929;margin-bottom:20px}
.about-content p{font-size:.95rem;color:#475569;line-height:1.8;margin-bottom:16px}
.about-image img{width:100%;border-radius:16px}
.certifications{background:#fff}
.certifications .section-title{font-family:'Outfit',sans-serif;font-size:1.8rem;font-weight:700;color:#0B1929;margin-bottom:8px;text-align:center}
.certifications .section-subtitle{font-size:1rem;color:#64748B;text-align:center;margin-bottom:40px}

/* CTA Section */
.cta{background:linear-gradient(135deg,#0B1929 0%,#0F3460 100%);padding:80px 20px;text-align:center}
.cta h2{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:700;color:#fff;margin-bottom:12px}
.cta p{font-size:1rem;color:rgba(255,255,255,.95);margin-bottom:24px}
.cta .btn{display:inline-block;background:#00D4FF;color:#0B1929;font-family:'Outfit',sans-serif;font-weight:700;font-size:1rem;padding:14px 32px;border-radius:10px;text-decoration:none;transition:all .3s}
.cta .btn:hover{background:#00b8e0;transform:translateY(-2px)}

/* Footer Additional */
.footer{padding:60px 20px 30px}
.footer-col h4{color:#fff;font-family:'Outfit',sans-serif;font-size:.95rem;margin-bottom:16px;font-weight:600}
.footer-desc{color:rgba(255,255,255,.9);font-size:.88rem;line-height:1.6}
.footer-logo img{height:36px;width:auto;max-width:160px;object-fit:contain}

/* Presence Section */
.presence-map img{width:100%;border-radius:16px}
.presence-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.presence-stats .stat-item{background:#f8fafc;border-radius:16px;padding:24px;text-align:center}
.presence-stats .stat-number{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:800;color:#00D4FF}
.presence-stats .stat-label{font-size:.85rem;color:rgba(255,255,255,.95);margin-top:8px}

/* Section Header */
.section-header{text-align:center;margin-bottom:40px}
.section-title{font-family:'Outfit',sans-serif;font-size:1.8rem;font-weight:700;color:#0B1929;margin-bottom:12px}
.section-subtitle{font-size:1rem;color:#64748B;max-width:600px;margin:0 auto}
/* === 首页样式 === */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;background:#f8fafc}
.hero-bg{position:absolute;inset:0;background:url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80') center/cover}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,25,41,.92),rgba(15,52,96,.85))}
.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,212,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,212,255,.05) 1px,transparent 1px);background-size:60px 60px}
.hero-content{position:relative;z-index:2;max-width:1400px;margin:0 auto;padding:120px 20px;width:100%}
.hero-title{font-family:'Outfit',sans-serif;font-size:clamp(2.4rem,5.5vw,4.5rem);font-weight:800;color:#fff;line-height:1.1;margin-bottom:20px}
.hero-title span{color:#00D4FF}
.hero-sub{font-size:clamp(1rem,1.8vw,1.2rem);color:rgba(255,255,255,.95);margin-bottom:40px;max-width:700px;line-height:1.7}
.hero-btns{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:80px}
.hero-stats{display:flex;gap:0;flex-wrap:wrap;border-radius:16px;overflow:hidden;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(20px);max-width:900px}
.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);z-index:2;display:flex;flex-direction:column;align-items:center;gap:8px;color:rgba(255,255,255,.8);font-size:.75rem}
.section-light{background:#f8fafc}
.section-dark{background:linear-gradient(135deg,#0B1929 0%,#0F3460 100%)}
.accent-line{width:60px;height:4px;background:linear-gradient(90deg,#00D4FF,#1E90FF);border-radius:4px;margin:16px auto 0}
.products-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.products-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.products-grid{grid-template-columns:1fr}}
.prod-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 2px 20px rgba(0,0,0,.06);transition:all .35s ease;border:1px solid #e2e8f0;padding-bottom:0}
.prod-card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,.12);border-color:#00D4FF}
.prod-card-img{height:120px;overflow:hidden;background:#f8fafc;margin:0;border-radius:0}
.prod-card-img img{width:100%;height:100%;object-fit:contain;transition:transform .5s ease}
.prod-card:hover .prod-card-img img{transform:scale(1.05)}
.prod-card-body{padding:24px}
.prod-cat{font-size:.75rem;font-weight:600;color:#00D4FF;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.prod-card h3{font-family:'Outfit',sans-serif;font-size:1.2rem;font-weight:700;color:#0B1929;margin-bottom:10px}
.prod-card p{font-size:.9rem;color:#64748B;line-height:1.65;margin-bottom:18px}
.learn-more{color:#00D4FF;font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px;transition:gap .3s ease}
.prod-card:hover .learn-more{gap:12px}
.custom-card{background:linear-gradient(135deg,#0B1929,#0F3460);border:none}
.custom-card h3,.custom-card p{color:#fff}
.section-cta{text-align:center;margin-top:50px}
.btn-view{background:#f8fafc;color:#fff;font-family:'Outfit',sans-serif;font-weight:600;font-size:1rem;padding:14px 32px;border-radius:10px;border:none;cursor:pointer;transition:all .3s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}
.btn-view:hover{background:#00D4FF;color:#0B1929}
.features-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media(max-width:1024px){.features-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.features-grid{grid-template-columns:1fr}}
.feature-card{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.15);border-radius:16px;padding:32px;transition:all .35s ease}
.feature-card:hover{background:rgba(0,212,255,.08);border-color:rgba(0,212,255,.3)}
.feature-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#00D4FF,#1E90FF);display:flex;align-items:center;justify-content:center;margin-bottom:20px;font-size:1.6rem;color:#0B1929;font-weight:800}
.feature-card h3{font-family:'Outfit',sans-serif;font-size:1.15rem;font-weight:700;color:#fff;margin-bottom:12px}
.feature-card p{font-size:.88rem;color:rgba(255,255,255,.9);line-height:1.7}
.apps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1024px){.apps-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.apps-grid{grid-template-columns:1fr}}
.app-card{background:#fff;border-radius:16px;padding:28px;border:1px solid #e2e8f0;transition:all .3s ease;text-align:center}
.app-card:hover{transform:translateY(-4px);box-shadow:0 12px 36px rgba(0,0,0,.08);border-color:#00D4FF}
.app-icon{font-size:2.4rem;margin-bottom:16px;display:block}
.app-card h3{font-family:'Outfit',sans-serif;font-size:1.1rem;font-weight:700;color:#0B1929;margin-bottom:8px}
.app-card p{font-size:.85rem;color:#64748B}
.company-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:900px){.company-grid{grid-template-columns:1fr}}
.company-img-wrap{width:100%;height:400px;overflow:hidden;border-radius:20px}
.company-img{width:100%;height:100%;object-fit:contain;display:block}
.company-text h2{font-family:'Outfit',sans-serif;font-size:2.2rem;font-weight:700;color:#0B1929;margin-bottom:20px}
.company-text h2 span{color:#00D4FF}
.company-text p{font-size:.95rem;color:#475569;line-height:1.8;margin-bottom:14px}
.company-stats-bar{display:flex;gap:12px;margin-top:20px}
.cstat{flex:1;min-width:0;padding:14px 10px;background:#f8fafc;border-radius:12px;text-align:center}
.cs-num{font-family:'Outfit',sans-serif;font-size:1.4rem;font-weight:800;color:#00D4FF;display:block}
.cs-label{font-size:.7rem;color:#475569;margin-top:4px;display:block}
.btn-learn{display:inline-block;padding:12px 28px;background:#0B1929;color:#fff;border-radius:8px;font-weight:600;font-size:.95rem;transition:all .3s}
.btn-learn:hover{background:#00D4FF;color:#0B1929}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.stat-num{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:800;color:#00D4FF;line-height:1}
.header-right{display:flex;align-items:center;gap:12px}

/* === 产品页面样式 === */
.page-hero{min-height:15vh;background:linear-gradient(135deg,#0B1929 0%,#0F3460 100%),url('https://images.unsplash.com/photo-1518770660439-4636190af475?w=1920&q=80') center/cover no-repeat;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 20px 60px;position:relative}
.page-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:20px;background:linear-gradient(to bottom,transparent,#F8FAFC)}
.page-hero h1{font-family:'Outfit',sans-serif;font-size:clamp(2rem,5vw,3.5rem);font-weight:800;color:#fff;margin-bottom:12px}
.page-hero p{font-size:1.05rem;color:rgba(255,255,255,.9);margin-bottom:8px}
.breadcrumb{font-size:.8rem;color:rgba(255,255,255,.8)}
.breadcrumb a{color:#00D4FF;text-decoration:none}
.section{background:#f8fafc;padding:70px 20px}
.section.alt-bg{background:#fff}
.inner{max-width:1400px;margin:0 auto}
.ch{display:flex;align-items:flex-start;gap:26px;margin-bottom:44px;padding-bottom:28px;border-bottom:2px solid rgba(0,212,255,.1)}
.ci{width:72px;height:72px;min-width:72px;background:linear-gradient(135deg,#0B1929,#0F3460);border-radius:16px;display:flex;align-items:center;justify-content:center;font-family:'Outfit',sans-serif;font-size:.85rem;font-weight:800;color:#00D4FF;transition:all .3s}
.section:hover .ci{background:linear-gradient(135deg,#00D4FF,#1E90FF);color:#0B1929}
.cl{font-size:.68rem;font-weight:700;color:#00D4FF;text-transform:uppercase;letter-spacing:2px;margin-bottom:5px}
.ct{font-family:'Outfit',sans-serif;font-size:clamp(1.4rem,2.8vw,2.1rem);font-weight:700;color:#0B1929;margin-bottom:10px}
.cd{font-size:.9rem;color:#64748B;line-height:1.7;max-width:650px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
@media(max-width:1024px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.card{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 1px 12px rgba(0,0,0,.05);border:1px solid #e2ecf5;transition:all .3s ease}
.card:hover{transform:translateY(-5px);box-shadow:0 16px 44px rgba(0,0,0,.09);border-color:#00D4FF}
.img{height:185px;overflow:hidden;background:#f8fafc;position:relative}
.img img{width:100%;height:100%;object-fit:contain;display:block;transition:transform .4s}
.card:hover .img img{transform:scale(1.05)}
.ph{height:185px;background:linear-gradient(135deg,#0B1929,#0F3460);display:flex;align-items:center;justify-content:center;color:#00D4FF;font-family:'Outfit',sans-serif;font-weight:800;font-size:1.1rem}
.body{padding:18px;display:flex;flex-direction:column;flex:1}
.name{font-family:'Outfit',sans-serif;font-size:1rem;font-weight:700;color:#0B1929;margin-bottom:2px}
.name-en{font-size:.78rem;color:#00D4FF;margin-bottom:10px;font-weight:500}
.tbl{background:#f8fafc;border-radius:9px;padding:9px 11px;margin-bottom:10px}
.tbl table{width:100%;border-collapse:collapse}
.tbl tr{border-bottom:1px solid #eee}
.tbl tr:last-child{border:none}
.sk{font-size:.73rem;color:#64748B;font-weight:500;padding:3px 0}
.sv{font-size:.73rem;color:#0B1929;font-weight:600;padding:3px 0;text-align:right}
.al{margin-bottom:12px;flex:1}
.al-l{font-size:.68rem;font-weight:700;color:#64748B;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.al-l span{font-size:.68rem;color:#0B1929;font-weight:400;background:#edf6ff;padding:1px 8px;border-radius:50px;margin-right:4px}
.row{display:flex;gap:5px;flex-wrap:wrap;margin-top:auto}
.b1{background:#00D4FF;color:#0B1929;font-family:'Outfit',sans-serif;font-weight:700;font-size:.8rem;padding:8px 14px;border-radius:6px;text-decoration:none;transition:all .3s;display:inline-block}
.b1:hover{background:#00b8e0}
.b2{background:transparent;color:#0B1929;font-family:'Outfit',sans-serif;font-weight:600;font-size:.8rem;padding:7px 14px;border-radius:6px;border:1.5px solid #0B1929;text-decoration:none;transition:all .3s;display:inline-block}
.b2:hover{background:#f8fafc;color:#fff}

/* === Footer 样式 === */
.footer{background:#f8fafc;padding:55px 20px 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;max-width:1400px;margin:0 auto 36px}
@media(max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.footer-grid{grid-template-columns:1fr}}
.fl{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.fl img{height:36px;width:auto;max-width:160px;object-fit:contain}
.fl span{font-family:'Outfit',sans-serif;font-size:1rem;font-weight:700;color:#fff}
.fh{color:#fff;font-family:'Outfit',sans-serif;font-size:.85rem;margin:0 0 10px;font-weight:600}
.fp{color:rgba(255,255,255,.85);font-size:.82rem;line-height:1.7}
.fa{display:block;color:rgba(255,255,255,.85);font-size:.82rem;text-decoration:none;padding:3px 0;transition:color .3s}
.fa:hover{color:#00D4FF}
.fb{border-top:1px solid rgba(255,255,255,.1);padding-top:18px;text-align:center}
.fb p{color:rgba(255,255,255,.95);font-size:.76rem}

/* === 解决方案样式 === */
.solution-scenarios{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.scenario-item{background:#f8fafc;border-radius:12px;padding:20px}
.scenario-item h4{font-family:'Outfit',sans-serif;font-size:1rem;font-weight:700;color:#0B1929;margin-bottom:8px}

/* === 联系我们样式 === */
.contact-icon{width:48px;height:48px;border-radius:12px;background:linear-gradient(135deg,#00D4FF,#1E90FF);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.contact-item{display:flex;align-items:flex-start;gap:16px;margin-bottom:24px}

/* === 其他 === */
.container{max-width:1400px;margin:0 auto;padding:0 20px}
/* 提高文字对比度 */
.hero-title{color:#fff;text-shadow:0 2px 10px rgba(0,0,0,0.3)}
.hero-sub{color:rgba(255,255,255,0.95)}
.stat-label{color:rgba(255,255,255,0.9)}
.feature-card p{color:rgba(255,255,255,0.85)}
.app-card p{color:#475569}
.company-text p{color:#475569}
.footer p{color:rgba(255,255,255,0.8)}
.footer .footer-desc{color:rgba(255,255,255,0.8)}
.learn-more{color:#00D4FF}
.section-header p{color:#475569}
.footer-col a{color:rgba(255,255,255,0.85)}
.footer-col a:hover{color:#00D4FF}
.btn-outline{color:#fff}
.scroll-indicator span{color:rgba(255,255,255,0.7)}
.hero-badge{color:#00D4FF}

/* 导航菜单优化 */
.nav-link{color:rgba(255,255,255,0.95)!important}
.nav-link:hover{color:#fff!important}
/* 修复深色背景区域的文字颜色 */
.section-dark .feature-card h3{color:#fff!important}
.section-dark .feature-card p{color:rgba(255,255,255,0.95)!important}
.section-dark .section-header h2{color:#fff!important}
.section-dark .section-header p{color:rgba(255,255,255,0.9)!important}
/* 进一步加强深色区域文字对比度 */

.section-dark h3{color:#fff!important}
.section-dark p{color:rgba(255,255,255,0.95)!important}
.section-dark .feature-card h3{color:#fff!important;font-weight:700}
.section-dark .feature-card p{color:rgba(255,255,255,0.95)!important}
/* 应用领域部分 - 白色背景用深色字体 */
.section-light h3{color:#0B1929!important}
.section-light p{color:#475569!important}
.apps-grid .app-card h3{color:#0B1929!important}
.apps-grid .app-card p{color:#475569!important}
.products-grid .prod-card h3{color:#0B1929!important}
.products-grid .prod-card p{color:#475569!important}
/* About Page */
.about-content h2{font-family:'Outfit',sans-serif;font-size:2rem;font-weight:700;color:#0B1929;margin-bottom:20px}
.about-content p{font-size:.95rem;color:#475569;line-height:1.8;margin-bottom:16px}

/* Service/Case Content */
.service-content p{font-size:.95rem;color:#475569;line-height:1.7}
.info-content h3{font-family:'Outfit',sans-serif;font-size:1.3rem;font-weight:700;color:#0B1929;margin-bottom:12px}

/* Footer Additional */
.footer-brand p{color:rgba(255,255,255,0.6);font-size:.88rem;line-height:1.6}
.footer-contact p{color:rgba(255,255,255,0.6);font-size:.88rem;line-height:1.6}
.footer-links a{display:block;color:rgba(255,255,255,0.6);font-size:.88rem;padding:4px 0;transition:color .3s}
.footer-links a:hover{color:#00D4FF}

/* Text Colors for Light Sections */
.section-light h3{color:#0B1929!important}
.section-light p{color:#475569!important}
.section-light .section-title{color:#0B1929!important}

/* Logo Styles */
.logo img {
    height: 80px !important;
    width: auto !important;
    max-width: 480px !important;
}
.cta-section h2{color:#fff!important}.cta-section p{color:rgba(255,255,255,.9)!important}
.company-text h2{color:#0B1929!important}.company-text p{color:#475569!important}
.section-light h2{color:#0B1929!important}.section-light h3{color:#0B1929!important}.section-light p{color:#475569!important}
.section-dark h2{color:#fff!important}.section-dark h3{color:#fff!important}.section-dark p{color:rgba(255,255,255,.9)!important}
.company-text h2{color:#0B1929!important}.company-text p{color:#475569!important}.company-text .cs-label{color:#475569!important}
.cta-section h2{color:#fff!important}.cta-section p{color:rgba(255,255,255,.9)!important}
.footer p{color:rgba(255,255,255,.85)!important}.footer a{color:rgba(255,255,255,.85)!important}
.footer-logo img{height:48px!important;width:auto!important;filter:brightness(1.2) contrast(1.1)}
.footer-logo span{font-size:1.3rem!important;color:#fff!important;font-weight:700}
/* Footer Styles */
.footer{background:linear-gradient(135deg,#0B1929 0%,#0F3460 100%);padding:60px 0 24px;color:#fff}
.footer-main{display:grid;grid-template-columns:1.2fr 2fr;gap:60px;margin-bottom:40px}
.footer-brand{padding-right:20px}
.footer-logo-img{height:56px!important;width:auto!important;max-width:280px;object-fit:contain}
.footer-brand h3{font-family:'Outfit',sans-serif;font-weight:700;margin:16px 0 12px}
.footer-cols{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.footer-col h4{color:#00D4FF;font-size:1rem;font-weight:700;margin-bottom:16px;font-family:'Outfit',sans-serif}
.footer-col a{display:block;color:rgba(255,255,255,.85);font-size:.88rem;padding:6px 0;transition:color .3s}
.footer-col a:hover{color:#00D4FF}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;text-align:center}
.footer-bottom p{color:rgba(255,255,255,.7);font-size:.85rem}
@media(max-width:1024px){.footer-main{grid-template-columns:1fr}.footer-cols{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.footer-cols{grid-template-columns:1fr}}

/* About Page Specific */
.about-page .company-text h2{color:#0B1929!important}
.about-page .company-text p{color:#475569!important}
.about-page .page-hero h1{color:#fff!important}
.about-page .breadcrumb{color:rgba(255,255,255,.8)!important}
.about-page .breadcrumb a{color:#00D4FF!important}