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h2{font-size:22px;font-weight:700;color:#ff6b35;margin:0 0 10px}.dv-sim-hero-text p{font-size:14px;color:#999;line-height:1.6;margin:0 0 20px;max-width:480px}.dv-launch-btn{background:#ff6b35;color:#fff;border:none;border-radius:8px;padding:12px 28px;font-size:15px;font-weight:600;cursor:pointer;transition:background .2s,transform .1s;letter-spacing:.3px}.dv-launch-btn:hover{background:#e85c28;transform:translateY(-1px)}.dv-launch-btn:active{transform:translateY(0)}.dv-sim-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;min-width:240px}.dv-sim-hero-stat{background:#0d0d14;border:1px solid #2a2a3a;border-radius:8px;padding:14px;text-align:center}.dv-sim-hero-stat .val{display:block;font-size:18px;font-weight:700;color:#0fc;line-height:1.1}.dv-sim-hero-stat .lbl{display:block;font-size:10px;color:#666;text-transform:uppercase;letter-spacing:.5px;margin-top:4px}.dv-how-to-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:0}.dv-how-to-card{background:#111118;border:1px solid #2a2a3a;border-radius:10px;padding:18px}.dv-how-to-step{font-size:28px;font-weight:800;color:#ff6b3530;line-height:1;margin-bottom:8px}.dv-how-to-title{font-size:14px;font-weight:600;color:#e0e0e0;margin-bottom:6px}.dv-how-to-desc{font-size:12px;color:#888;line-height:1.55}.dv-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.dv-feature-card{background:#111118;border:1px solid #2a2a3a;border-radius:10px;padding:18px;transition:border-color .2s}.dv-feature-card:hover{border-color:#ff6b3560}.dv-feature-icon{font-size:24px;margin-bottom:10px}.dv-feature-title{font-size:14px;font-weight:600;color:#e0e0e0;margin-bottom:6px}.dv-feature-desc{font-size:12px;color:#888;line-height:1.55}@media (max-width: 900px){.dv-charts-grid,.dv-charts-grid.thirds,.dv-systems-grid{grid-template-columns:1fr}.dv-weather-meta{grid-template-columns:repeat(2,1fr)}.dv-content{padding:16px}.dv-header{padding:16px;flex-direction:column;align-items:flex-start;gap:12px}.dv-summary-strip{grid-template-columns:repeat(2,1fr)}}:root{--mars-red: #cd5c5c;--mars-orange: #ff6b35;--mars-brown: #8b4513;--mars-rust: #b7410e;--space-black: #0b0b0f;--space-blue: #1e3a8a;--text-light: #f5f5f5;--text-dark: #2c2c2c;--accent-gold: #ffd700;--header-height: 70px;--nav-height: 50px;--border-radius: 8px;--transition: all .3s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,var(--space-black) 0%,var(--mars-brown) 100%);color:var(--text-light);line-height:1.6;min-height:100vh}.app{min-height:100vh;display:flex;flex-direction:column}.main-content{flex:1;padding:20px;margin-top:calc(var(--header-height) + var(--nav-height));background:#0b0b0fcc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}@media (max-width: 768px){.main-content{padding:15px}}@media (max-width: 480px){.main-content{padding:10px}}.container{max-width:1200px;margin:0 auto;padding:0 20px}.btn{background:linear-gradient(45deg,var(--mars-orange),var(--mars-red));color:var(--text-light);border:none;padding:12px 24px;border-radius:var(--border-radius);cursor:pointer;font-size:16px;font-weight:600;transition:var(--transition);text-decoration:none;display:inline-block;text-align:center}.btn:hover{background:linear-gradient(45deg,var(--mars-red),var(--mars-rust));transform:translateY(-2px);box-shadow:0 4px 15px #cd5c5c4d}.btn:active{transform:translateY(0)}.btn-secondary{background:linear-gradient(45deg,var(--space-blue),var(--mars-brown))}.btn-secondary:hover{background:linear-gradient(45deg,var(--mars-brown),var(--space-blue))}.card{background:#ffffff1a;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:var(--border-radius);padding:20px;margin:10px 0;box-shadow:0 4px 20px #0000004d;transition:var(--transition)}.card:hover{transform:translateY(-5px);box-shadow:0 8px 30px #0006}.loading{display:flex;align-items:center;justify-content:center;padding:40px}.loading:after{content:"";width:40px;height:40px;border:4px solid rgba(255,255,255,.3);border-top:4px solid var(--mars-orange);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.error{color:#ff6b6b;background:#ff6b6b1a;padding:15px;border-radius:var(--border-radius);border-left:4px solid #ff6b6b;margin:10px 0}.success{color:#51cf66;background:#51cf661a;padding:15px;border-radius:var(--border-radius);border-left:4px solid #51cf66;margin:10px 0}