:root{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;line-height:1.6;font-weight:400;color:#1a202c;background:linear-gradient(to bottom,#f7fafc,#edf2f7);font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}*{margin:0;padding:0;box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}#app{width:100%;min-height:100vh;display:flex;flex-direction:column}.container{max-width:1280px;margin:0 auto;padding:0 32px}a{color:#3b82f6;text-decoration:none;transition:all .3s ease;font-weight:500}a:hover{color:#2563eb;text-decoration:none;transform:translateY(-1px)}.header{background:linear-gradient(135deg,#667eea,#764ba2,#f093fb);color:#fff;padding:96px 0 80px;position:relative;overflow:hidden}.header:before{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="2" fill="white" opacity="0.1"/></svg>');opacity:.3}.header .container{position:relative;text-align:center}.header-badge{display:inline-block;background:#fff3;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:8px 24px;border-radius:24px;font-size:.875rem;font-weight:600;letter-spacing:1px;text-transform:uppercase;margin-bottom:24px;border:1px solid rgba(255,255,255,.3);box-shadow:0 4px 12px #0000001a}.header h1{font-size:2.75rem;line-height:1.3;font-weight:800;margin:0 0 20px;position:relative;text-shadow:0 2px 16px rgba(0,0,0,.25);letter-spacing:-.8px}.header-subtitle{font-size:1.125rem;font-weight:400;opacity:.95;margin:0;letter-spacing:.3px;text-shadow:0 1px 4px rgba(0,0,0,.2)}.main-content{flex:1;padding:64px 0}.section{background:#fff;border-radius:16px;padding:48px;margin-bottom:40px;box-shadow:0 4px 6px #0000000d,0 1px 3px #0000001a;transition:transform .3s ease,box-shadow .3s ease;border:1px solid rgba(0,0,0,.05)}.section:hover{transform:translateY(-4px);box-shadow:0 12px 24px #0000001a,0 4px 8px #00000014}.section h2{font-size:2rem;color:#667eea;margin-bottom:32px;padding-bottom:16px;border-bottom:4px solid;border-image:linear-gradient(90deg,#667eea,#764ba2) 1;font-weight:700;letter-spacing:-.5px}.section h3{font-size:1.5rem;color:#4a5568;margin:40px 0 20px;font-weight:600}.section h4{font-size:1.25rem;color:#667eea;margin-bottom:16px;font-weight:600}.section p{margin-bottom:20px;line-height:1.8;color:#4a5568;font-size:1.0625rem}.section ul{margin-left:32px;margin-bottom:20px}.section li{margin-bottom:12px;line-height:1.8;color:#4a5568;font-size:1.0625rem}.highlight-box{background:linear-gradient(135deg,#fef3c7,#fde68a);border-left:6px solid #f59e0b;padding:24px 28px;border-radius:12px;margin-top:24px;box-shadow:0 2px 8px #f59e0b26}.highlight-box strong{color:#92400e;font-size:1.125rem}.objective-card{background:linear-gradient(135deg,#fff,#f8fafc);border:2px solid #e2e8f0;border-radius:16px;padding:32px;margin-bottom:24px;transition:all .3s ease;position:relative;overflow:hidden}.objective-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background:linear-gradient(180deg,#667eea,#764ba2)}.objective-card:hover{transform:translate(8px);box-shadow:0 8px 16px #667eea26;border-color:#cbd5e1}.objective-card h3{color:#667eea;margin-top:0;margin-bottom:20px;font-size:1.375rem;font-weight:700}.evaluation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:32px;margin-top:32px}.eval-item{background:linear-gradient(135deg,#fff,#f9fafb);border:2px solid #e5e7eb;border-radius:16px;padding:32px;position:relative;transition:all .3s ease;overflow:hidden}.eval-item:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#667eea,#764ba2)}.eval-item:hover{transform:translateY(-8px);box-shadow:0 12px 24px #667eea26;border-color:#d1d5db}.eval-item h4{margin-top:0;color:#667eea;font-size:1.25rem;font-weight:600;margin-bottom:16px}.pipeline-section .intro-text{font-size:1.125rem;color:#475569;margin-bottom:24px}.why-7b-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px;margin-top:24px}.reason-card{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:2px solid #bae6fd;border-radius:16px;padding:28px;transition:all .3s ease;position:relative;overflow:hidden}.reason-card:before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#0ea5e9,#06b6d4)}.reason-card:hover{transform:translateY(-6px);box-shadow:0 12px 24px #0ea5e933;border-color:#7dd3fc}.reason-icon{font-size:2.5rem;margin-bottom:16px;display:inline-block}.reason-card h4{color:#0c4a6e;font-size:1.125rem;font-weight:700;margin:0 0 12px;line-height:1.4}.reason-card p{color:#334155;margin:0;line-height:1.7;font-size:.9375rem}.process-steps{margin:24px 0}.step{display:flex;gap:24px;margin-bottom:28px;padding:28px;background:linear-gradient(135deg,#fff,#fafbfc);border-radius:16px;border:2px solid #e5e7eb;transition:all .3s ease;position:relative;overflow:hidden}.step:before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:linear-gradient(180deg,#667eea,#764ba2)}.step:hover{transform:translate(8px);box-shadow:0 8px 16px #667eea1f;border-color:#d1d5db}.step-number{flex-shrink:0;width:56px;height:56px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:1.75rem;font-weight:700;box-shadow:0 4px 12px #667eea4d}.step-content{flex:1}.step-content h4{margin-top:0;margin-bottom:8px}.step-content p{margin-bottom:0;color:#475569}.warning-box{background:#fef3c7;border-left:4px solid #f59e0b;padding:16px 20px;border-radius:8px;margin:16px 0}.dataset-structure{margin-top:24px}.field-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:16px 20px;margin-bottom:12px}.field-name{font-family:Consolas,Monaco,monospace;font-weight:600;color:#1e40af;font-size:1rem;margin-bottom:8px}.field-desc{color:#475569;line-height:1.6}.tag{display:inline-block;background:#dbeafe;color:#1e40af;padding:6px 14px;border-radius:20px;font-size:.875rem;font-weight:600;margin:4px 4px 4px 0;font-family:Consolas,Monaco,monospace}.perspective-field{background:linear-gradient(135deg,#f8fafc,#f1f5f9);border:2px solid #cbd5e1}.perspective-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:16px}.perspective-card{background:#fff;border:1px solid #e2e8f0;border-radius:8px;padding:16px;transition:transform .2s,box-shadow .2s}.perspective-card:hover{transform:translateY(-2px);box-shadow:0 4px 12px #00000014}.perspective-card .tag{display:inline-block;margin-bottom:12px;font-size:.9375rem;padding:6px 16px}.perspective-card .tag.worker{background:linear-gradient(135deg,#dbeafe,#bfdbfe);color:#1e40af}.perspective-card .tag.retiree{background:linear-gradient(135deg,#fce7f3,#fbcfe8);color:#9f1239}.perspective-card .tag.employer{background:linear-gradient(135deg,#d1fae5,#a7f3d0);color:#065f46}.perspective-card .tag.general{background:linear-gradient(135deg,#fef3c7,#fde68a);color:#92400e}.perspective-desc{margin:0;font-size:.9375rem;line-height:1.6;color:#475569}.result-box{background:#f0fdf4;border-left:4px solid #22c55e;padding:20px;border-radius:8px;margin:24px 0}.result-box p{margin-bottom:0}.links-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:24px;margin-top:24px}.links-box h4{margin-top:0;margin-bottom:16px}.links-box ul{margin-left:0;list-style:none}.links-box li{margin-bottom:8px}.links-box a{display:inline-block;padding:8px 0}.demo-box{background:linear-gradient(135deg,#f0f9ff,#e0f2fe);border:2px solid #3b82f6;border-radius:8px;padding:24px;margin-top:24px}.demo-box h4{margin-top:0;margin-bottom:16px;color:#1e40af;font-size:1.25rem}.demo-content p{margin-bottom:16px;line-height:1.7;color:#334155}.requirement-list{margin:20px 0;display:flex;flex-direction:column;gap:12px}.requirement-item{display:flex;align-items:flex-start;gap:12px;background:#fff;padding:16px;border-radius:8px;border:1px solid #bfdbfe;transition:transform .2s,box-shadow .2s}.requirement-item:hover{transform:translate(4px);box-shadow:0 2px 8px #3b82f626}.requirement-item .icon{flex-shrink:0;color:#3b82f6;margin-top:2px}.requirement-item span{color:#475569;line-height:1.6}.video-section{background:#f8fafc;border:2px solid #3b82f6;border-radius:8px;padding:24px;margin-top:24px}.video-section h4{margin-top:0;margin-bottom:16px;color:#1e40af;font-size:1.25rem}.video-container{position:relative;width:100%;max-width:800px;margin:0 auto;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;background:#000}.video-container iframe,.video-container video{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.video-note{margin-top:16px;color:#64748b;font-size:.9rem;text-align:center;font-style:italic}.video-note code{background:#e2e8f0;padding:2px 6px;border-radius:4px;font-family:Consolas,Monaco,monospace;color:#1e40af}.note-text{background:#fff;border-left:4px solid #f59e0b;padding:16px;border-radius:6px;margin-top:20px;color:#78350f;line-height:1.7}.application-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin:24px 0}.app-card{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:24px;transition:transform .2s,box-shadow .2s}.app-card:hover{transform:translateY(-4px);box-shadow:0 4px 12px #0000001a}.app-card h4{margin-top:0;margin-bottom:12px;color:#1e40af}.app-card p{margin-bottom:0;color:#475569}.maintenance-strategy{margin-top:24px}.strategy-item{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;padding:20px;margin-bottom:16px}.strategy-item strong{display:block;color:#1e40af;margin-bottom:8px;font-size:1.125rem}.strategy-item p{margin-bottom:0;color:#475569}.conclusion{background:linear-gradient(135deg,#eff6ff,#dbeafe);border:2px solid #3b82f6}.conclusion-box{padding:8px}.conclusion-box p{margin-bottom:0;font-size:1.0625rem;line-height:1.8;color:#1e3a8a}.footer{background:linear-gradient(135deg,#1e293b,#334155);color:#e2e8f0;padding:40px 0;text-align:center;margin-top:auto;box-shadow:0 -4px 16px #0000001a}.footer p{margin:0 0 8px;font-size:1.0625rem;letter-spacing:.3px}.footer p:last-child{margin-bottom:0}.footer .creator{font-size:.9375rem;color:#cbd5e1;margin-top:12px}.footer .creator strong{color:#f0f9ff;font-weight:600}@media (max-width: 768px){.header{padding:64px 0 56px}.header-badge{font-size:.75rem;padding:6px 18px;margin-bottom:20px}.header h1{font-size:1.875rem;letter-spacing:-.5px}.header-subtitle{font-size:1rem}.container{padding:0 20px}.main-content{padding:40px 0}.section{padding:32px 24px;margin-bottom:28px}.section h2{font-size:1.625rem}.section h3{font-size:1.375rem}.evaluation-grid{grid-template-columns:1fr;gap:20px}.step{flex-direction:column;gap:16px;padding:24px}.step:hover{transform:none}.application-grid,.perspective-grid{grid-template-columns:1fr}.objective-card{padding:24px}.objective-card:hover{transform:none}}