:root{--primary:#0b3d91;--primary-light:#1565c0;--primary-dark:#072f6b;--accent:#0082c8;--accent-light:#00a0e9;--dark:#0a0a18;--gray-900:#111827;--gray-800:#1f2937;--gray-700:#374151;--gray-600:#4b5563;--gray-500:#6b7280;--gray-400:#9ca3af;--gray-300:#d1d5db;--gray-200:#e5e7eb;--gray-100:#f3f4f6;--gray-50:#f9fafb;--white:#fff;--success:#059669;--warning:#d97706;--text-primary:#111827;--text-secondary:#4b5563;--text-muted:#9ca3af;--bg-light:#f9fafb;--bg-dark:#0a0a18;--shadow-sm:0 1px 2px 0 #0000000d;--shadow:0 4px 6px -1px #0000001a, 0 2px 4px -2px #0000001a;--shadow-md:0 10px 15px -3px #0000001a, 0 4px 6px -4px #0000001a;--shadow-lg:0 20px 25px -5px #0000001a, 0 8px 10px -6px #0000001a;--shadow-xl:0 25px 50px -12px #00000040;--radius-sm:4px;--radius:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--transition-fast:.15s ease;--transition:.3s ease;--transition-slow:.5s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;font-size:16px}body{color:var(--text-primary);background:var(--white);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:Noto Sans SC,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{letter-spacing:-.02em;font-weight:700;line-height:1.2}a{color:inherit;transition:color var(--transition-fast);text-decoration:none}img{max-width:100%;height:auto;display:block}.container{width:100%;max-width:1280px;margin:0 auto;padding:0 24px}@media (width<=768px){.container{padding:0 16px}}.section{padding:100px 0}@media (width<=768px){.section{padding:60px 0}}.section-title{text-align:center;color:var(--gray-900);margin-bottom:16px;font-size:clamp(32px,5vw,48px);font-weight:900}.section-subtitle{text-align:center;color:var(--text-secondary);max-width:680px;margin:0 auto 60px;font-size:18px}@media (width<=768px){.section-subtitle{margin-bottom:40px;font-size:16px}}.btn{border-radius:var(--radius);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:8px;padding:14px 32px;font-size:16px;font-weight:600;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);color:var(--white);box-shadow:0 4px 14px #0b3d9159}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #0b3d9173}.btn-outline{color:var(--primary);border:2px solid var(--primary);background:0 0}.btn-outline:hover{background:var(--primary);color:var(--white)}.card{background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow);transition:all var(--transition);padding:32px}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}.grid{gap:24px;display:grid}.grid-2{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}@media (width<=1024px){.grid-4,.grid-3{grid-template-columns:repeat(2,1fr)}}@media (width<=640px){.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideInLeft{0%{opacity:0;transform:translate(-40px)}to{opacity:1;transform:translate(0)}}@keyframes slideInRight{0%{opacity:0;transform:translate(40px)}to{opacity:1;transform:translate(0)}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes shimmer{0%{background-position:-200% 0}to{background-position:200% 0}}.skeleton{background:linear-gradient(90deg, var(--gray-200) 25%, var(--gray-100) 50%, var(--gray-200) 75%);border-radius:var(--radius);background-size:200% 100%;animation:1.5s infinite shimmer}.sr-only{clip:rect(0,0,0,0);border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}::selection{background:var(--primary);color:var(--white)}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--gray-100)}::-webkit-scrollbar-thumb{background:var(--gray-400);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--gray-500)}