:root{--primary:#0A2540;--primary-mid:#1A3A5C;--accent:#00B4FF;--accent-dark:#0090CC;--accent-light:#E8F8FF;--gold:#FFB800;--bg:#F4F7FA;--bg-dark:#050F1C;--white:#FFFFFF;--text-main:#1A1A2E;--text-sub:#5A6A7A;--text-light:#8A9BB0;--border:#E0E8F0;--card-shadow:0 4px 24px rgba(0,0,0,0.08);--card-shadow-hover:0 8px 40px rgba(0,180,255,0.15);--radius:8px;--radius-lg:16px;--transition:all 0.25s ease;--max-w:1200px}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:'Noto Sans 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transparent;font-family:inherit}.btn-primary{background:var(--accent);color:var(--primary);border-color:var(--accent)}.btn-primary:hover{background:var(--accent-dark);border-color:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,180,255,0.35)}.btn-outline{background:transparent;color:var(--white);border-color:rgba(255,255,255,0.6)}.btn-outline:hover{background:rgba(255,255,255,0.12);border-color:var(--white);transform:translateY(-2px)}.btn-outline-dark{background:transparent;color:var(--primary);border-color:var(--primary)}.btn-outline-dark:hover{background:var(--primary);color:var(--white);transform:translateY(-2px)}.navbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:64px;display:flex;align-items:center;transition:var(--transition);background:transparent}.navbar.scrolled{background:rgba(10,37,64,0.95);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);box-shadow:0 2px 24px rgba(0,0,0,0.2)}.navbar.solid{background:var(--primary)}.nav-inner{display:flex;align-items:center;justify-content:space-between;width:100%;max-width:var(--max-w);margin:0 auto;padding:0 24px}.nav-logo{display:flex;align-items:center;gap:12px}.nav-logo-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--accent),#0060FF);border-radius:8px;display:flex;align-items:center;justify-content:center;font-family:'Montserrat',sans-serif;font-weight:800;font-size:18px;color:var(--white)}.nav-logo-text{display:flex;flex-direction:column}.nav-logo-cn{font-size:16px;font-weight:700;color:var(--white);line-height:1.2}.nav-logo-en{font-family:'Montserrat',sans-serif;font-size:10px;color:rgba(255,255,255,0.55);letter-spacing:0.08em;text-transform:uppercase}.nav-links{display:flex;align-items:center;gap:8px}.nav-link{padding:8px 16px;font-size:14px;font-weight:500;color:rgba(255,255,255,0.85);border-radius:var(--radius);transition:var(--transition);position:relative}.nav-link:hover,.nav-link.active{color:var(--accent);background:rgba(0,180,255,0.1)}.nav-link.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:18px;height:2px;background:var(--accent);border-radius:2px}.nav-cta{padding:8px 20px;background:var(--accent);color:var(--primary);font-size:14px;font-weight:700;border-radius:var(--radius);transition:var(--transition)}.nav-cta:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 4px 16px rgba(0,180,255,0.3)}.nav-toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}.nav-toggle span{display:block;width:24px;height:2px;background:var(--white);border-radius:2px;transition:var(--transition)}.hero{min-height:100vh;background:var(--bg-dark);position:relative;display:flex;align-items:center;overflow:hidden}.hero-bg{position:absolute;inset:0;background:radial-gradient(ellipse 80% 80% at 50% -20%,rgba(0,180,255,0.18) 0%,transparent 60%),radial-gradient(ellipse 60% 60% at 80% 60%,rgba(0,96,255,0.12) 0%,transparent 50%),linear-gradient(180deg,#050F1C 0%,#0A1F35 100%);z-index:0}.hero-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(0,180,255,0.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,180,255,0.04) 1px,transparent 1px);background-size:60px 60px;z-index:1}.hero-content{position:relative;z-index:2;max-width:700px}.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(0,180,255,0.12);border:1px solid rgba(0,180,255,0.3);border-radius:100px;padding:6px 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p{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,0.5)}.footer-col-title{font-size:14px;font-weight:700;color:var(--white);margin-bottom:20px;letter-spacing:0.05em}.footer-links{display:flex;flex-direction:column;gap:12px}.footer-links a{font-size:14px;color:rgba(255,255,255,0.5);transition:var(--transition)}.footer-links a:hover{color:var(--accent)}.footer-contact-item{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,0.5);margin-bottom:12px}.footer-contact-item span:first-child{color:var(--accent);flex-shrink:0}.footer-bottom{border-top:1px solid rgba(255,255,255,0.08);padding-top:28px;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,0.35)}.footer-bottom a{color:rgba(255,255,255,0.35)}.footer-bottom a:hover{color:var(--accent)}.page-hero{background:linear-gradient(135deg,var(--bg-dark) 0%,var(--primary) 100%);padding:80px 0 40px;text-align:center;position:relative;overflow:hidden}.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 60% 80% at 50% 0%,rgba(0,180,255,0.15) 0%,transparent 60%)}.page-hero .container{position:relative;z-index:1}.page-hero h1{font-size:clamp(28px,5vw,48px);color:var(--white);margin-bottom:16px}.page-hero p{font-size:17px;color:rgba(255,255,255,0.6);max-width:540px;margin:0 auto}.about-intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}.about-intro-image{border-radius:var(--radius-lg);overflow:hidden;height:400px;background:linear-gradient(135deg,var(--primary) 0%,var(--primary-mid) 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var(--bg-dark);top:28px;z-index:2}.timeline-year{font-family:'Rajdhani',sans-serif;font-size:22px;font-weight:700;color:var(--accent);margin-bottom:6px}.timeline-event{font-size:15px;font-weight:700;color:var(--primary);margin-bottom:6px}.timeline-detail{font-size:13px;color:var(--text-sub);line-height:1.6}.qual-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.qual-card{background:var(--white);border-radius:var(--radius-lg);padding:32px 24px;text-align:center;border:1px solid var(--border);transition:var(--transition)}.qual-card:hover{border-color:var(--accent);transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}.qual-icon{font-size:40px;margin-bottom:16px;display:block}.qual-title{font-size:16px;font-weight:700;color:var(--primary);margin-bottom:8px}.qual-year{font-size:13px;color:var(--accent);font-weight:600}.products-detail-grid{display:grid;grid-template-columns:1fr 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var(--border);color:var(--text-main)}.specs-table tr:nth-child(even) td{background:var(--bg)}.specs-table tr:hover td{background:var(--accent-light)}.contact-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:48px}.contact-info-card{background:var(--primary);border-radius:var(--radius-lg);padding:40px 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var(--border)}.form-title{font-size:22px;font-weight:700;color:var(--primary);margin-bottom:8px}.form-subtitle{font-size:14px;color:var(--text-sub);margin-bottom:32px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-group{margin-bottom:20px}.form-label{display:block;font-size:14px;font-weight:600;color:var(--primary);margin-bottom:8px}.form-label span{color:var(--accent)}.form-input,.form-select,.form-textarea{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--radius);font-size:15px;font-family:inherit;color:var(--text-main);background:var(--bg);transition:var(--transition);outline:none}.form-input:focus,.form-select:focus,.form-textarea:focus{border-color:var(--accent);background:var(--white);box-shadow:0 0 0 4px 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var(--border);transition:var(--transition)}.patent-item:hover{border-color:var(--accent);box-shadow:var(--card-shadow)}.patent-icon{font-size:24px;flex-shrink:0}.patent-text{font-size:13px;color:var(--text-main);line-height:1.5}.patent-num{font-size:11px;color:var(--text-light);margin-top:2px}.tech-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.tech-card{background:var(--white);border-radius:var(--radius-lg);padding:32px;border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}.tech-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,var(--accent),transparent)}.tech-card:hover{transform:translateY(-4px);box-shadow:var(--card-shadow-hover)}.tech-icon{font-size:36px;margin-bottom:16px;display:block}.tech-title{font-size:18px;font-weight:700;color:var(--primary);margin-bottom:12px}.tech-desc{font-size:14px;color:var(--text-sub);line-height:1.7}.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,0.5);margin-bottom:20px;justify-content:center}.breadcrumb a{color:rgba(255,255,255,0.5)}.breadcrumb a:hover{color:var(--accent)}.breadcrumb-sep{opacity:0.4}.fade-up{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}.fade-up.visible{opacity:1;transform:translateY(0)}.fade-up-delay-1{transition-delay:0.1s}.fade-up-delay-2{transition-delay:0.2s}.fade-up-delay-3{transition-delay:0.3s}.fade-up-delay-4{transition-delay:0.4s}.text-accent{color:var(--accent)}.text-gold{color:var(--gold)}.text-primary{color:var(--primary)}.text-white{color:var(--white)}.text-center{text-align:center}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}.mb-32{margin-bottom:32px}.flex-center{display:flex;align-items:center;justify-content:center}.gap-16{gap:16px}.divider{height:1px;background:linear-gradient(90deg,transparent,var(--accent),transparent);margin:0;opacity:0.4}@media (max-width:1023px){.stats-grid{grid-template-columns:repeat(2,1fr)}.stats-grid .stat-item:nth-child(2)::after{display:none}.products-grid{grid-template-columns:repeat(2,1fr)}.why-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr;gap:32px}.hero-visual{display:none}.about-intro-grid{grid-template-columns:1fr}.about-intro-image{height:280px}.products-detail-grid{grid-template-columns:1fr}.products-detail-grid.reverse{direction:ltr}.qual-grid{grid-template-columns:repeat(2,1fr)}.tech-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{grid-template-columns:1fr}.patent-grid{grid-template-columns:1fr}.timeline::before{left:20px}.timeline-item{flex-direction:column !important}.timeline-item .timeline-content{margin:0 0 0 40px !important}.timeline-dot{left:20px}}@media (max-width:767px){.section{padding:56px 0}.nav-links{display:none;position:fixed;inset:64px 0 0;background:var(--bg-dark);flex-direction:column;align-items:stretch;padding:24px;gap:4px}.nav-links.open{display:flex}.nav-link{font-size:16px;padding:14px 16px}.nav-cta{margin-top:8px;text-align:center}.nav-toggle{display:flex}.hero{min-height:100svh}.hero h1{font-size:28px}.hero-stats{gap:24px}.hero-stat-num{font-size:28px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stats-grid .stat-item::after{display:none}.products-grid{grid-template-columns:1fr}.why-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.qual-grid{grid-template-columns:1fr}.tech-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr}.contact-form-card{padding:28px 20px}}