*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}:root{--primary:#1a3a5c;--primary-light:#2a5a8c;--primary-dark:#0f2440;--accent:#f0c040;--accent-light:#f5d870;--accent-dark:#c99a20;--bg:#f8f9fc;--bg-card:#ffffff;--text:#1a1a2e;--text-light:#555;--shadow:0 8px 32px rgba(0,0,0,0.08);--radius:20px;--radius-sm:12px;--transition:0.3s cubic-bezier(0.4,0,0.2,1);--glass-bg:rgba(255,255,255,0.7);--glass-border:rgba(255,255,255,0.3);--font:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans SC',sans-serif}.dark-mode{--bg:#0d1117;--bg-card:#161b22;--text:#e6edf3;--text-light:#8b949e;--shadow:0 8px 32px rgba(0,0,0,0.4);--glass-bg:rgba(22,27,34,0.8);--glass-border:rgba(48,54,61,0.5)}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.7;transition:background var(--transition),color var(--transition);overflow-x:hidden}a{color:var(--primary-light);text-decoration:none;transition:color var(--transition)}a:hover{color:var(--accent)}img,svg{max-width:100%;height:auto;display:block}ul{list-style:none}.container{max-width:1280px;margin:0 auto;padding:0 24px}.section{padding:80px 0}.section-title{font-size:2.4rem;font-weight:800;text-align:center;margin-bottom:16px;background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.section-subtitle{text-align:center;color:var(--text-light);max-width:640px;margin:0 auto 48px;font-size:1.1rem}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:40px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}.card{background:var(--bg-card);border-radius:var(--radius);padding:32px;box-shadow:var(--shadow);transition:transform var(--transition),box-shadow var(--transition);backdrop-filter:blur(10px);border:1px solid var(--glass-border)}.card:hover{transform:translateY(-6px);box-shadow:0 16px 48px rgba(0,0,0,0.12)}.glass{background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:var(--radius)}.btn{display:inline-block;padding:14px 36px;border-radius:50px;font-weight:600;font-size:1rem;border:none;cursor:pointer;transition:all var(--transition);background:linear-gradient(135deg,var(--accent),var(--accent-light));color:var(--primary-dark);box-shadow:0 4px 16px rgba(240,192,64,0.3)}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(240,192,64,0.4)}.btn-outline{background:transparent;border:2px solid var(--accent);color:var(--accent);box-shadow:none}.btn-outline:hover{background:var(--accent);color:var(--primary-dark)}.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.8s ease,transform 0.8s ease}.fade-in.visible{opacity:1;transform:translateY(0)}.dark-toggle{background:var(--bg-card);border:1px solid var(--glass-border);border-radius:50px;padding:8px 16px;cursor:pointer;color:var(--text);font-size:0.9rem;display:flex;align-items:center;gap:8px;transition:all var(--transition)}.dark-toggle:hover{background:var(--accent);color:var(--primary-dark)}header{position:fixed;top:0;left:0;right:0;z-index:1000;background:var(--glass-bg);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--glass-border);transition:all var(--transition)}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:12px 24px;max-width:1280px;margin:0 auto}.logo{display:flex;align-items:center;gap:12px;font-size:1.6rem;font-weight:800;color:var(--primary)}.logo svg{width:48px;height:48px}.logo span{background:linear-gradient(135deg,var(--primary),var(--primary-light));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}nav{display:flex;align-items:center;gap:28px}nav a{font-weight:500;color:var(--text);position:relative;padding:4px 0;font-size:0.95rem}nav a::after{content:'';position:absolute;bottom:-2px;left:0;width:0;height:2px;background:var(--accent);transition:width var(--transition)}nav a:hover::after,nav a.active::after{width:100%}.mobile-menu-btn{display:none;background:none;border:none;font-size:1.8rem;cursor:pointer;color:var(--text);padding:4px}.mobile-menu{display:none;position:fixed;top:72px;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--glass-border);padding:24px;flex-direction:column;gap:16px;z-index:999;box-shadow:var(--shadow)}.mobile-menu.open{display:flex}.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:120px 24px 80px;background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 50%,var(--primary-light) 100%);position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(circle at 30% 50%,rgba(240,192,64,0.15) 0%,transparent 60%),radial-gradient(circle at 70% 80%,rgba(42,90,140,0.2) 0%,transparent 50%);animation:heroGlow 12s ease-in-out infinite alternate}@keyframes heroGlow{0%{transform:translate(0,0) rotate(0deg)}100%{transform:translate(2%,2%) rotate(5deg)}}.hero-content{position:relative;z-index:2;max-width:900px}.hero h1{font-size:3.8rem;font-weight:900;color:#fff;margin-bottom:20px;line-height:1.2;text-shadow:0 4px 30px rgba(0,0,0,0.3)}.hero h1 span{color:var(--accent)}.hero p{font-size:1.3rem;color:rgba(255,255,255,0.85);max-width:720px;margin:0 auto 36px;line-height:1.8}.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}.banner-slider{position:relative;width:100%;max-width:1100px;margin:40px auto 0;overflow:hidden;border-radius:var(--radius);box-shadow:0 20px 60px rgba(0,0,0,0.3)}.banner-slides{display:flex;transition:transform 0.8s cubic-bezier(0.4,0,0.2,1)}.banner-slide{min-width:100%;padding:60px 40px;background:var(--glass-bg);backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-direction:column;text-align:center;min-height:320px}.banner-slide h3{font-size:2rem;margin-bottom:12px;color:var(--primary)}.banner-slide p{color:var(--text-light);max-width:600px}.banner-dots{display:flex;justify-content:center;gap:10px;margin-top:20px}.banner-dot{width:12px;height:12px;border-radius:50%;background:var(--text-light);cursor:pointer;transition:all var(--transition);border:none}.banner-dot.active{background:var(--accent);transform:scale(1.3)}.about-content{max-width:900px;margin:0 auto;text-align:center}.about-content p{font-size:1.1rem;margin-bottom:20px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.stat-item{text-align:center;padding:32px;background:var(--bg-card);border-radius:var(--radius);box-shadow:var(--shadow)}.stat-number{font-size:3rem;font-weight:900;color:var(--accent);display:block}.stat-label{color:var(--text-light);margin-top:8px;font-size:1rem}.product-card{text-align:center;padding:40px 24px}.product-card svg{width:80px;height:80px;margin:0 auto 20px}.product-card h3{font-size:1.5rem;margin-bottom:12px}.product-card p{color:var(--text-light)}.testimonial-card{padding:32px}.testimonial-card .quote{font-style:italic;font-size:1.1rem;margin-bottom:16px}.testimonial-card .author{font-weight:600;color:var(--primary)}.faq-item{border-bottom:1px solid var(--glass-border);padding:20px 0;cursor:pointer}.faq-question{display:flex;justify-content:space-between;align-items:center;font-weight:600;font-size:1.1rem}.faq-question .icon{transition:transform var(--transition);font-size:1.4rem}.faq-item.open .faq-question .icon{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.5s ease,padding 0.3s ease;padding-top:0;color:var(--text-light)}.faq-item.open .faq-answer{max-height:400px;padding-top:16px}footer{background:var(--primary-dark);color:rgba(255,255,255,0.8);padding:60px 0 30px}footer a{color:rgba(255,255,255,0.7)}footer a:hover{color:var(--accent)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:40px}.footer-col h4{color:#fff;margin-bottom:20px;font-size:1.1rem}.footer-col p,.footer-col li{margin-bottom:10px}.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:24px;margin-top:40px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:16px}.back-to-top{position:fixed;bottom:30px;right:30px;width:52px;height:52px;border-radius:50%;background:var(--accent);color:var(--primary-dark);border:none;font-size:1.6rem;cursor:pointer;box-shadow:0 4px 20px rgba(240,192,64,0.4);transition:all var(--transition);opacity:0;transform:translateY(20px);pointer-events:none;z-index:999;display:flex;align-items:center;justify-content:center}.back-to-top.show{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top:hover{transform:translateY(-4px);box-shadow:0 8px 30px rgba(240,192,64,0.5)}.search-box{display:flex;max-width:500px;margin:20px auto;background:var(--bg-card);border-radius:50px;overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--glass-border)}.search-box input{flex:1;padding:14px 20px;border:none;background:transparent;font-size:1rem;color:var(--text);outline:none}.search-box button{padding:14px 28px;background:var(--accent);border:none;color:var(--primary-dark);font-weight:600;cursor:pointer;transition:background var(--transition)}.search-box button:hover{background:var(--accent-light)}@media(max-width:1024px){.grid-4{grid-template-columns:repeat(2,1fr)}.stats-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1fr 1fr}}@media(max-width:768px){.section{padding:60px 0}.section-title{font-size:1.8rem}.hero h1{font-size:2.4rem}.hero p{font-size:1rem}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}nav{display:none}.mobile-menu-btn{display:block}.header-inner{padding:10px 16px}.footer-grid{grid-template-columns:1fr}.banner-slide{padding:40px 24px;min-height:240px}.banner-slide h3{font-size:1.4rem}}@media(max-width:480px){.hero h1{font-size:1.8rem}.stat-number{font-size:2rem}.btn{padding:12px 24px;font-size:0.9rem}}.scroll-anim{opacity:0;transform:translateY(40px);transition:opacity 0.8s ease,transform 0.8s ease}.scroll-anim.visible{opacity:1;transform:translateY(0)}