:root{--color-primary: #003366;--color-primary-light: #004d99;--color-primary-dark: #001f3f;--color-accent: #2D9CDB;--color-accent-light: #56CCF2;--color-accent-dark: #1a7aad;--color-cta: #F2994A;--color-cta-hover: #e08836;--color-bg: #f8fafc;--color-bg-subtle: #f1f5f9;--color-bg-card: #ffffff;--color-bg-card-hover: #f8fafc;--color-surface: #e2e8f0;--color-border: rgba(0, 51, 102, .08);--color-border-strong: rgba(0, 51, 102, .15);--color-text: #334155;--color-text-muted: #64748b;--color-text-heading: #0f172a;--color-success: #16a34a;--color-free-badge: #059669;--font-body: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-heading: "Montserrat", "Inter", sans-serif;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--space-4xl: 6rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 14px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 40px rgba(0, 0, 0, .1);--shadow-glow: 0 0 30px rgba(45, 156, 219, .1);--ease-out: cubic-bezier(.16, 1, .3, 1);--transition-fast: .15s var(--ease-out);--transition-normal: .3s var(--ease-out);--transition-slow: .5s var(--ease-out);--max-width: 1200px;--navbar-height: 72px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-body);background-color:var(--color-bg);background-image:url(/drafting-bg.png);background-size:600px;background-repeat:repeat;background-attachment:fixed;color:var(--color-text);line-height:1.6;overflow-x:hidden}h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);color:var(--color-text-heading);line-height:1.2;letter-spacing:-.02em}a{color:var(--color-accent-dark);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--color-accent)}img{display:block;max-width:100%}button{font-family:var(--font-body);cursor:pointer;border:none;outline:none}ul{list-style:none}.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 var(--space-xl)}.section{padding:var(--space-4xl) 0}.section-title{font-size:clamp(2rem,5vw,3rem);font-weight:900;text-align:center;margin-bottom:var(--space-sm);color:var(--color-primary)}.section-subtitle{font-size:1.1rem;color:var(--color-text-muted);font-weight:500;text-align:center;max-width:600px;margin:0 auto var(--space-3xl)}.gradient-text{background:linear-gradient(135deg,var(--color-accent-dark),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:.7rem 1.6rem;border-radius:var(--radius-full);font-weight:600;font-size:.95rem;transition:all var(--transition-normal);position:relative;overflow:hidden}.btn-primary{background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));color:#fff;box-shadow:0 4px 15px #00336640}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 25px #00336659;color:#fff}.btn-cta{background:linear-gradient(135deg,var(--color-cta),var(--color-cta-hover));color:#fff;box-shadow:0 4px 15px #f2994a40}.btn-cta:hover{transform:translateY(-2px);box-shadow:0 8px 25px #f2994a59;color:#fff}.btn-outline{border:2px solid var(--color-primary);color:var(--color-primary);background:transparent}.btn-outline:hover{background:var(--color-primary);color:#fff;transform:translateY(-2px)}.btn-sm{padding:.5rem 1.2rem;font-size:.85rem}.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:var(--space-xl);transition:all 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rgba(0,51,102,.12);font-size:.8rem;font-weight:600;color:var(--color-primary);margin-bottom:var(--space-lg);text-transform:uppercase;letter-spacing:.05em}.hero-title{font-size:clamp(2.5rem,6vw,4rem);font-weight:900;line-height:1.1;margin-bottom:var(--space-lg);color:var(--color-primary-dark)}.hero-slogan{font-family:var(--font-heading);font-size:clamp(1.2rem,2.5vw,1.6rem);font-weight:700;font-style:italic;letter-spacing:.04em;color:var(--color-accent-dark);margin-bottom:var(--space-md)}.hero-description{font-size:1.15rem;color:var(--color-text);line-height:1.7;font-weight:450;margin-bottom:var(--space-xl);max-width:520px}.hero-actions{display:flex;gap:var(--space-md);flex-wrap:wrap}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center}.hero-image-wrapper{position:relative;border-radius:var(--radius-xl);overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--color-border-strong)}.hero-image-wrapper:before{content:"";position:absolute;top:-2px;right:-2px;bottom:-2px;left:-2px;background:linear-gradient(135deg,var(--color-accent),transparent,var(--color-primary));border-radius:var(--radius-xl);z-index:-1;opacity:.3}.hero-image-wrapper img{width:100%;border-radius:var(--radius-xl)}.hero-float-card{position:absolute;background:#ffffffeb;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);box-shadow:var(--shadow-md);animation:float 3s ease-in-out infinite}.hero-float-card.card-1{bottom:-20px;left:-30px}.hero-float-card.card-2{top:-20px;right:-20px}.hero-float-card .stat-value{font-size:1.4rem;font-weight:800;color:var(--color-primary)}.hero-float-card .stat-label{font-size:.75rem;color:var(--color-text-muted)}@keyframes 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1fr;gap:var(--space-3xl);align-items:center}.product-grid.reverse{direction:rtl}.product-grid.reverse>*{direction:ltr}.product-info h2{font-size:clamp(1.5rem,3vw,2rem);margin-bottom:var(--space-md);color:var(--color-primary)}.product-info p{color:var(--color-text);margin-bottom:var(--space-lg);line-height:1.7;font-weight:450}.product-features{display:flex;flex-direction:column;gap:var(--space-sm);margin-bottom:var(--space-xl)}.product-feature-item{display:flex;align-items:center;gap:var(--space-sm);font-size:.92rem;color:var(--color-text)}.product-feature-item .check{color:var(--color-success);font-weight:700;font-size:1rem}.product-image{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border-strong);box-shadow:var(--shadow-md)}.product-image img{width:100%}.store-hero{padding:calc(var(--navbar-height) + var(--space-3xl)) 0 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p{color:var(--color-text);line-height:1.8;margin-bottom:var(--space-md);font-weight:450}.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-lg);margin-top:var(--space-xl)}.about-stat-card{text-align:center}.about-stat-card .stat-number{font-size:2rem;font-weight:900;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.about-stat-card .stat-desc{font-size:.85rem;color:var(--color-text-muted);margin-top:var(--space-xs)}.about-image{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--color-border-strong);box-shadow:var(--shadow-lg)}.about-image img{width:100%}.values-section{margin-top:var(--space-4xl)}.values-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--space-xl)}.value-card .value-icon{font-size:2rem;margin-bottom:var(--space-md)}.value-card h3{font-size:1.1rem;margin-bottom:var(--space-sm);color:var(--color-primary)}.value-card p{color:var(--color-text-muted);font-size:.9rem;line-height:1.6}.contact-hero{padding:calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-3xl);text-align:center}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:var(--space-3xl)}.contact-info-card{display:flex;align-items:flex-start;gap:var(--space-md);margin-bottom:var(--space-xl)}.contact-info-icon{width:46px;height:46px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.2rem;flex-shrink:0;background:#0033660f;color:var(--color-primary)}.contact-info-card h4{font-size:.95rem;margin-bottom:2px;color:var(--color-primary)}.contact-info-card p{color:var(--color-text-muted);font-size:.88rem}.contact-form{background:var(--color-bg-card);border:1px solid 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1fr}}@media(max-width:768px){.navbar-links{display:none;position:fixed;top:var(--navbar-height);left:0;right:0;background:#fffffffa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);flex-direction:column;padding:var(--space-lg);gap:var(--space-xs);border-bottom:1px solid var(--color-border);box-shadow:var(--shadow-md)}.navbar-links.open,.navbar-toggle{display:flex}.hero{min-height:auto;padding:calc(var(--navbar-height) + var(--space-2xl)) 0 var(--space-2xl)}.form-row,.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:var(--space-sm);text-align:center}.store-grid{grid-template-columns:1fr}}.page{padding:calc(var(--navbar-height) + var(--space-3xl)) 0 var(--space-4xl);min-height:80vh}.page-header{text-align:center;margin-bottom:var(--space-4xl)}.page-header h1{font-size:clamp(2.5rem,5vw,3.5rem);color:var(--color-primary);margin-bottom:var(--space-sm)}.page-header p{font-size:1.2rem;color:var(--color-text-muted);max-width:600px;margin:0 auto}.guides-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:var(--space-2xl)}.guide-category{background:var(--color-bg-card);padding:var(--space-2xl);border-radius:var(--radius-lg);border:1px solid var(--color-border);box-shadow:var(--shadow-sm)}.guide-category h2{font-size:1.5rem;color:var(--color-primary);margin-bottom:var(--space-xl);padding-bottom:var(--space-sm)}.category-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md);border-bottom:2px solid var(--color-accent-light)}.category-icon{font-size:2rem}.guides-contact{margin-top:var(--space-4xl);text-align:center;background:linear-gradient(135deg,#0033660d,#2d9cdb0d);border:1px dashed var(--color-primary)}.guides-contact h2{margin-bottom:var(--space-sm)}.guides-contact p{margin-bottom:var(--space-lg)}.guide-list{display:flex;flex-direction:column;gap:var(--space-md)}.guide-list li a{display:flex;align-items:center;gap:var(--space-sm);font-weight:500;color:var(--color-text)}.guide-list li a:hover{color:var(--color-accent-dark)}.guide-list li a:before{content:"→";color:var(--color-accent)}.auth-placeholder{max-width:600px;margin:0 auto var(--space-4xl);text-align:center}.auth-placeholder h2{margin-bottom:var(--space-md)}.posts-section{max-width:800px;margin:0 auto}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-xl)}.posts-list{display:flex;flex-direction:column;gap:var(--space-lg)}.post-card{padding:var(--space-xl)}.post-card h3{font-size:1.25rem;margin-bottom:var(--space-xs);color:var(--color-primary)}.post-meta{font-size:.85rem;color:var(--color-text-muted);margin-bottom:var(--space-md)}.auth-tabs{display:flex;gap:var(--space-md);justify-content:center;margin-bottom:var(--space-xl)}.auth-tab{padding:.5rem 1.5rem;border-radius:var(--radius-full);font-weight:600;color:var(--color-text-muted);background:#0033660d;transition:all var(--transition-fast)}.auth-tab.active{background:var(--color-primary);color:#fff}.auth-form{display:flex;flex-direction:column;gap:var(--space-lg);text-align:left}.auth-form h2{text-align:center;margin-bottom:var(--space-sm)}.form-group{display:flex;flex-direction:column;gap:var(--space-xs)}.form-group label{font-size:.85rem;font-weight:600;color:var(--color-text-heading)}.form-group input,.form-group textarea{padding:.8rem 1rem;border-radius:var(--radius-md);border:1px solid var(--color-border-strong);font-family:var(--font-body);transition:border-color var(--transition-fast)}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--color-accent)}.form-group textarea{min-height:120px;resize:vertical}.alert{padding:.8rem 1rem;border-radius:var(--radius-md);font-size:.9rem;font-weight:500;margin-bottom:var(--space-md)}.alert-error{background:#ef44441a;color:#dc2626;border:1px solid rgba(239,68,68,.2)}.alert-success{background:#10b9811a;color:#059669;border:1px solid rgba(16,185,129,.2)}.w-full{width:100%;justify-content:center}.user-bar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-2xl);padding:var(--space-md) var(--space-lg);background:#2d9cdb0d;border-radius:var(--radius-md);border:1px solid rgba(45,156,219,.1)}.create-post-form{margin-bottom:var(--space-4xl);display:flex;flex-direction:column;gap:var(--space-md)}.post-content{white-space:pre-wrap;color:var(--color-text);line-height:1.7}.post-card.empty{text-align:center;color:var(--color-text-muted);padding:var(--space-3xl)}.guide-page{background:var(--color-bg);min-height:100vh;padding-top:var(--navbar-height)}.guide-layout{display:grid;grid-template-columns:280px 1fr;max-width:1400px;margin:0 auto;gap:var(--space-2xl);padding:var(--space-2xl)}.guide-sidebar{position:sticky;top:calc(var(--navbar-height) + var(--space-2xl));height:calc(100vh - var(--navbar-height) - var(--space-4xl));background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);display:flex;flex-direction:column;overflow:hidden;box-shadow:var(--shadow-sm)}.sidebar-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.sidebar-header h3{font-size:1rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;color:var(--color-primary)}.sidebar-nav{flex:1;overflow-y:auto;padding:var(--space-sm)}.sidebar-link{width:100%;display:flex;align-items:center;gap:var(--space-sm);padding:.75rem var(--space-md);border-radius:var(--radius-md);color:var(--color-text-muted);font-size:.9rem;font-weight:500;text-align:left;background:transparent;transition:all var(--transition-fast)}.sidebar-link:hover{background:#0033660a;color:var(--color-primary)}.sidebar-link.active{background:#00336614;color:var(--color-primary);font-weight:700;box-shadow:inset 2px 0 0 var(--color-primary)}.sidebar-footer{padding:var(--space-lg);border-top:1px solid var(--color-border)}.guide-content{max-width:900px}.content-header{margin-bottom:var(--space-3xl);padding:var(--space-3xl);text-align:center}.content-header h1{font-size:clamp(2rem,4vw,3rem);margin:var(--space-md) 0 var(--space-sm)}.content-header .subtitle{font-size:1.1rem;color:var(--color-text-muted)}.guide-section{margin-bottom:var(--space-3xl);scroll-margin-top:calc(var(--navbar-height) + var(--space-2xl))}.section-card h2{font-size:1.75rem;margin-bottom:var(--space-xl);color:var(--color-primary);border-bottom:2px solid var(--color-border);padding-bottom:var(--space-sm)}.section-card h3{font-size:1.25rem;margin:var(--space-xl) 0 var(--space-md);color:var(--color-primary-light)}.step-list{margin:var(--space-lg) 0;padding-left:var(--space-xl)}.step-list li{margin-bottom:var(--space-sm)}.mockup-frame{background:#f1f5f9;border:1px solid var(--color-border-strong);border-radius:var(--radius-md);padding:var(--space-md);margin:var(--space-xl) 0;text-align:center}.mockup-frame img{border-radius:var(--radius-sm);box-shadow:var(--shadow-md);max-height:500px;margin:0 auto}.mockup-frame.small img{max-height:200px}.mockup-frame .caption{display:block;margin-top:var(--space-sm);font-size:.8rem;color:var(--color-text-muted);font-style:italic}.note-card{padding:var(--space-lg);border-radius:var(--radius-md);margin:var(--space-xl) 0;border-left:4px solid var(--color-primary);background:#0033660a}.command-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-lg);margin-top:var(--space-xl)}.command-item{padding:var(--space-lg);border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-bg-subtle)}.command-item h4{color:var(--color-accent-dark);margin-bottom:var(--space-xs);font-family:monospace;font-size:1.05rem}.command-item p{font-size:.9rem;color:var(--color-text)}.mini-steps{margin-top:var(--space-md);padding-left:var(--space-md);font-size:.8rem;color:var(--color-text-muted)}.mini-steps li{margin-bottom:2px}.ai-assistant-container{position:fixed;bottom:var(--space-xl);right:var(--space-xl);z-index:2000}.ai-chat-bubble{width:60px;height:60px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-accent));color:#fff;font-size:1.5rem;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-lg);transition:all var(--transition-normal);position:relative}.ai-chat-bubble:hover{transform:scale(1.1) rotate(5deg);box-shadow:0 12px 30px #0366}.ai-chat-bubble .tooltip{position:absolute;right:75px;background:var(--color-primary-dark);color:#fff;padding:.4rem .8rem;border-radius:var(--radius-sm);font-size:.75rem;white-space:nowrap;opacity:0;visibility:hidden;transition:all var(--transition-fast)}.ai-chat-bubble:hover .tooltip{opacity:1;visibility:visible;right:85px}.ai-chat-window{position:absolute;bottom:80px;right:0;width:360px;max-height:520px;background:#fffffff2;backdrop-filter:blur(15px);-webkit-backdrop-filter:blur(15px);border:1px solid var(--color-border-strong);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden}.chat-header{padding:var(--space-lg);background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:space-between}.header-info{display:flex;align-items:center;gap:var(--space-sm)}.ai-icon{font-size:1.5rem}.header-info h4{color:#fff;font-size:.95rem;font-weight:700}.header-info p{font-size:.75rem;opacity:.8}.chat-messages{flex:1;padding:var(--space-lg);overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-md);min-height:300px}.message{max-width:85%;padding:.75rem 1rem;border-radius:var(--radius-md);font-size:.9rem;line-height:1.5}.message.assistant{align-self:flex-start;background:var(--color-bg-subtle);color:var(--color-text);border-bottom-left-radius:2px}.message.user{align-self:flex-end;background:var(--color-primary);color:#fff;border-bottom-right-radius:2px}.chat-input{padding:var(--space-md);border-top:1px solid var(--color-border);display:flex;gap:var(--space-sm);background:#fff}.chat-input input{flex:1;padding:.6rem 1rem;border:1px solid var(--color-border);border-radius:var(--radius-full);font-size:.9rem;outline:none}.chat-input button{width:40px;height:40px;border-radius:50%;background:var(--color-primary);color:#fff;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.chat-input button:hover:not(:disabled){background:var(--color-accent-dark)}@keyframes animate-slide-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.animate-slide-up{animation:animate-slide-up .3s var(--ease-out)}@media(max-width:992px){.guide-layout{grid-template-columns:1fr;padding:var(--space-md);gap:var(--space-md)}.guide-sidebar{position:relative;top:0;height:auto;max-height:300px;margin-bottom:var(--space-lg)}.content-header h1{font-size:2rem}.content-header{padding:var(--space-xl) var(--space-md)}.section-card{padding:var(--space-md)}}@media print{@page{margin:20mm 15mm 25mm;size:A4}.navbar,.footer,.guide-sidebar,.print-btn,.sidebar-footer,.ai-assistant-container,.ai-chat-bubble,.badge{display:none!important}body,html{background:#fff!important;background-image:none!important;margin:0;padding:0;font-size:11pt;color:#000!important;line-height:1.6}.guide-page{padding-top:0!important}.guide-layout{display:block!important;padding:0!important;margin:0!important;max-width:100%!important}.guide-content{margin-left:0!important;padding:0!important;max-width:100%!important;width:100%!important}.content-header{text-align:center!important;page-break-after:always;border:none!important;box-shadow:none!important;padding:60px 20px!important}.content-header .guide-cover-img{max-width:180px!important;margin:20px auto!important}.guide-section{page-break-before:auto}#panel-topo,#panel-design,#panel-surface,#panel-asbuilt,#panel-import,#panel-export,#panel-annotation,#panel-utilities,#troubleshooting,#eula{page-break-before:always}.guide-section,.section-card,.mockup-frame,.command-item{page-break-inside:avoid;break-inside:avoid}h1{font-size:24pt!important;color:#036!important}h2{font-size:18pt!important;color:#036!important;page-break-after:avoid;break-after:avoid;border-bottom:2px solid #003366!important;padding-bottom:6px!important;margin-top:20px!important}h3{font-size:14pt!important;color:#036!important;page-break-after:avoid;break-after:avoid}h4{font-size:12pt!important;page-break-after:avoid;break-after:avoid}.card,.section-card{border:1px solid #ddd!important;box-shadow:none!important;background:#fff!important;padding:15px!important}.command-grid{grid-template-columns:repeat(2,1fr)!important;gap:12px!important}.command-item{border:1px solid #ddd!important;background:#f9fafb!important;padding:10px!important}.mockup-frame{border:1px solid #ccc!important;box-shadow:none!important;background:#fff!important}.mockup-frame img{box-shadow:none!important;max-height:400px!important}.step-list{padding-left:20px!important}.step-list li{margin-bottom:4px!important;font-size:11pt!important}.note-card{border:1px solid #003366!important;border-left:4px solid #003366!important;background:#f0f4f8!important}.guide-footer-nav{page-break-before:always;text-align:center;padding-top:40px;border-top:2px solid #003366;font-size:10pt;color:#666}a{color:#036!important;text-decoration:none!important}}.success-icon,.cancel-icon{animation:pop-in .6s cubic-bezier(.175,.885,.32,1.275)}@keyframes pop-in{0%{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}