:root{--bg-deep: #0a0d12;--bg: #11141b;--bg-card: #181c26;--bg-elevated: #1f2430;--border: rgba(255, 255, 255, .07);--border-strong: rgba(255, 255, 255, .14);--primary: #5a9a4a;--primary-hover: #4f8a40;--primary-bg: rgba(90, 154, 74, .12);--primary-border: rgba(143, 207, 111, .4);--accent: #8fcf6f;--accent-bg: rgba(143, 207, 111, .1);--gradient: linear-gradient(135deg, #a8d28d 0%, #5a9a4a 100%);--gradient-subtle: linear-gradient(135deg, rgba(168,210,141,.15) 0%, rgba(90,154,74,.15) 100%);--text: #e6ebe5;--text-muted: #8b9387;--text-dim: #555c54;--success: #34d399;--warning: #fbbf24;--danger: #f87171;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--radius-xl: 24px;--shadow: 0 4px 24px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 48px rgba(0, 0, 0, .6);--shadow-glow: 0 0 48px rgba(143, 207, 111, .22);--font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;--font-mono: "SF Mono", "Fira Code", Consolas, "Courier New", monospace;--nav-height: 64px;--container-max: 1200px;--section-pad: 96px}[data-theme=light]{--bg-deep: #f5f7f3;--bg: #ffffff;--bg-card: #f9faf8;--bg-elevated: #efeeec;--border: rgba(0, 0, 0, .08);--border-strong: rgba(0, 0, 0, .15);--text: #1f2421;--text-muted: #6b7166;--text-dim: #a0a59f;--shadow: 0 4px 24px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 48px rgba(0, 0, 0, .12);--shadow-glow: 0 0 48px rgba(90, 154, 74, .18)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}.container{max-width:var(--container-max);margin:0 auto;padding:0 24px}.section{padding:var(--section-pad) 0}.section-header{text-align:center;margin-bottom:64px}.section-header h2{font-size:2.25rem;font-weight:700;letter-spacing:-.025em;margin-bottom:16px}.section-header p{font-size:1.1rem;color:var(--text-muted);max-width:560px;margin:0 auto;line-height:1.7}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:var(--radius);font-size:15px;font-weight:500;line-height:1;transition:all .18s;border:1px solid transparent;outline:none;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 20px #5a9a4a73}.btn-secondary{background:var(--bg-elevated);color:var(--text);border-color:var(--border-strong)}.btn-secondary:hover{border-color:var(--primary-border);color:var(--primary)}.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary-border)}.btn-outline:hover{background:var(--primary-bg)}.btn-ghost{background:transparent;color:var(--text-muted);border-color:transparent}.btn-ghost:hover{color:var(--text);background:var(--bg-elevated)}.btn-lg{padding:16px 36px;font-size:16px;border-radius:var(--radius-lg)}.btn-sm{padding:8px 16px;font-size:14px;border-radius:var(--radius-sm)}.btn-full{width:100%}.btn:disabled{opacity:.5;cursor:not-allowed;pointer-events:none}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px;transition:border-color .2s}.card:hover{border-color:var(--border-strong)}.card-glow:hover{border-color:var(--primary-border);box-shadow:var(--shadow-glow)}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:100px;font-size:13px;font-weight:500}.badge-purple{background:var(--primary-bg);color:var(--accent);border:1px solid var(--primary-border)}.badge-cyan{background:var(--accent-bg);color:var(--accent);border:1px solid rgba(143,207,111,.3)}.badge-green{background:#34d3991a;color:var(--success);border:1px solid rgba(52,211,153,.3)}.divider{height:1px;background:var(--border)}.text-center{text-align:center}.text-muted{color:var(--text-muted)}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.mt-32{margin-top:32px}.page-hero{padding:80px 0 64px;text-align:center}.page-hero h1{font-size:clamp(2rem,4vw,3rem);font-weight:800;letter-spacing:-.03em;line-height:1.15;margin-bottom:20px}.page-hero p{font-size:1.15rem;color:var(--text-muted);max-width:600px;margin:0 auto 36px;line-height:1.7}@media(max-width:900px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){:root{--section-pad: 64px;--nav-height: auto}.grid-3,.grid-2{grid-template-columns:1fr}.section-header h2{font-size:1.75rem}.btn-lg{padding:14px 28px;font-size:15px}.card{padding:24px}}