:root{--bg-deep: #0A0E1A;--bg-secondary: #0F172A;--bg-card: #111827;--bg-card-hover: #16203a;--border: rgba(148, 163, 184, .14);--border-strong: rgba(148, 163, 184, .28);--primary: #3B82F6;--cyan: #06B6D4;--violet: #8B5CF6;--gradient: linear-gradient(135deg, #3B82F6 0%, #06B6D4 50%, #8B5CF6 100%);--gradient-soft: linear-gradient(135deg, rgba(59,130,246,.18), rgba(139,92,246,.18));--text: #F8FAFC;--text-muted: #94A3B8;--text-dim: #64748B;--success: #10B981;--warning: #F59E0B;--danger: #EF4444;--radius: 16px;--radius-sm: 10px;--shadow: 0 20px 60px -20px rgba(0, 0, 0, .6);--glow: 0 0 30px rgba(59, 130, 246, .35);--maxw: 1200px;--nav-h: 68px;--font: "PingFang SC", "Microsoft YaHei", "Inter", system-ui, -apple-system, sans-serif;--mono: "SFMono-Regular", "Roboto Mono", Consolas, monospace}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-deep);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased;overflow-x:hidden}a{color:inherit;text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}img{max-width:100%;display:block}ul{list-style:none}.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}.section{padding:96px 0;position:relative}.section-sm{padding:64px 0}.gradient-text{background:var(--gradient);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:999px;font-weight:600;font-size:15px;transition:all .25s ease;border:1px solid transparent}.btn-primary{background:var(--gradient);color:#fff;box-shadow:var(--glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 42px #3b82f68c}.btn-ghost{border-color:var(--border-strong);color:var(--text);background:#ffffff05}.btn-ghost:hover{border-color:var(--primary);color:var(--primary);transform:translateY(-2px)}.glass{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);transition:all .3s ease}.glass:hover{border-color:var(--border-strong);background:var(--bg-card-hover);transform:translateY(-4px)}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.3px;background:var(--gradient-soft);color:var(--cyan);border:1px solid var(--border)}.section-head{text-align:center;margin-bottom:56px}.section-head .eyebrow{font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:14px}.section-head h2{font-size:clamp(28px,4vw,42px);font-weight:800;margin-bottom:14px}.section-head p{color:var(--text-muted);max-width:640px;margin:0 auto}.grid-bg{position:absolute;top:0;right:0;bottom:0;left:0;overflow:hidden;pointer-events:none;z-index:0}.grid-bg:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;background-image:linear-gradient(rgba(59,130,246,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.06) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%);mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000 40%,transparent 100%)}.fade-up{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}.fade-up.visible{opacity:1;transform:translateY(0)}.text-muted{color:var(--text-muted)}.divider{height:1px;background:var(--border);border:none}.field{margin-bottom:18px}.field label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:8px;font-weight:600}.field input,.field textarea,.field select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);background:var(--bg-secondary);border:1px solid var(--border);color:var(--text);font-family:inherit;font-size:14px;transition:border-color .2s}.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--primary)}.field textarea{resize:vertical;min-height:120px}@media (max-width: 768px){.section{padding:64px 0}.section-head{margin-bottom:36px}}