:root{--bg-primary:#0a0e1a;--bg-secondary:#111827;--bg-card:#1a1f35;--bg-card-hover:#1f2545;--text-primary:#e8ecf1;--text-secondary:#94a3b8;--text-muted:#64748b;--accent:#00d4ff;--accent-dim:rgba(0,212,255,0.12);--accent-glow:rgba(0,212,255,0.25);--border:rgba(148,163,184,0.12);--border-light:rgba(148,163,184,0.06);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;--font-mono:'JetBrains Mono','Fira Code','SF Mono',monospace;--radius:8px;--radius-lg:12px;--shadow-sm:0 1px 3px rgba(0,0,0,0.3);--shadow-md:0 4px 16px rgba(0,0,0,0.4);--shadow-lg:0 8px 32px rgba(0,0,0,0.5);--max-width:1140px;--header-height:64px;--transition:0.2s ease;}*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;}body{font-family:var(--font-sans);background:linear-gradient(175deg,#0a0e1a 0%,#0f1428 40%,#111827 100%);color:var(--text-primary);line-height:1.75;min-height:100vh;display:flex;flex-direction:column;}a{color:var(--accent);text-decoration:none;transition:color var(--transition);}a:hover{color:#66e5ff;}img{max-width:100%;height:auto;display:block;}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.35;color:var(--text-primary);}h1{font-size:2.25rem;letter-spacing:-0.02em;}h2{font-size:1.75rem;letter-spacing:-0.01em;}h3{font-size:1.35rem;}h4{font-size:1.1rem;color:var(--text-secondary);}p{margin-bottom:1.25rem;color:var(--text-secondary);}blockquote{border-left:3px solid var(--accent);padding:0.75rem 1.25rem;margin:1.5rem 0;background:var(--accent-dim);border-radius:0 var(--radius) var(--radius) 0;color:var(--text-secondary);font-style:italic;}ul,ol{padding-left:1.5rem;margin-bottom:1.25rem;color:var(--text-secondary);}li{margin-bottom:0.5rem;}hr{border:none;border-top:1px solid var(--border);margin:2rem 0;}code{font-family:var(--font-mono);background:rgba(0,212,255,0.08);color:var(--accent);padding:0.15em 0.4em;border-radius:4px;font-size:0.9em;}.container{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;}.main-content{flex:1;padding-top:calc(var(--header-height) + 2rem);padding-bottom:4rem;}.site-header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(10,14,26,0.85);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid var(--border);height:var(--header-height);}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;display:flex;align-items:center;justify-content:space-between;height:100%;}.site-logo{display:flex;align-items:center;gap:0.6rem;font-size:1.1rem;font-weight:700;color:var(--text-primary);text-decoration:none;letter-spacing:-0.01em;}.site-logo .logo-icon{width:32px;height:32px;border-radius:7px;object-fit:cover;flex-shrink:0;}.site-logo .logo-dot{color:var(--accent);}.site-nav{display:flex;align-items:center;gap:2rem;}.site-nav a{color:var(--text-secondary);font-size:0.925rem;font-weight:500;transition:color var(--transition);position:relative;}.site-nav a:hover,.site-nav a.active{color:var(--text-primary);}.site-nav a.active::after{content:'';position:absolute;bottom:-4px;left:0;right:0;height:2px;background:var(--accent);border-radius:1px;}.nav-cta{display:inline-flex;align-items:center;gap:0.4rem;background:linear-gradient(135deg,var(--accent),#0099cc);color:#0a0e1a !important;padding:0.4rem 1rem;border-radius:20px;font-weight:600;font-size:0.85rem;transition:opacity var(--transition),transform var(--transition);}.nav-cta:hover{opacity:0.9;transform:translateY(-1px);}.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:0.5rem;color:var(--text-primary);}.hero{text-align:center;padding:3rem 0 2.5rem;}.hero-badge{display:inline-flex;align-items:center;gap:0.4rem;background:var(--accent-dim);border:1px solid rgba(0,212,255,0.2);color:var(--accent);font-size:0.8rem;font-weight:600;padding:0.35rem 0.9rem;border-radius:20px;margin-bottom:1.5rem;}.hero h1{font-size:2.75rem;font-weight:700;line-height:1.25;margin-bottom:1rem;letter-spacing:-0.03em;}.hero h1 .highlight{background:linear-gradient(135deg,var(--accent),#00a3cc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}.hero p{font-size:1.1rem;color:var(--text-secondary);max-width:640px;margin:0 auto 2rem;}.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;}.btn{display:inline-flex;align-items:center;gap:0.5rem;padding:0.65rem 1.5rem;border-radius:24px;font-size:0.95rem;font-weight:600;cursor:pointer;border:none;transition:all var(--transition);text-decoration:none;}.btn-primary{background:linear-gradient(135deg,var(--accent),#0099cc);color:#0a0e1a;}.btn-primary:hover{opacity:0.9;transform:translateY(-1px);box-shadow:0 4px 20px var(--accent-glow);color:#0a0e1a;}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-primary);}.btn-outline:hover{border-color:var(--accent);color:var(--accent);}.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:2rem;flex-wrap:wrap;gap:1rem;}.section-header h2{font-size:1.5rem;}.section-header .section-subtitle{color:var(--text-muted);font-size:0.9rem;}.article-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem;margin-bottom:3rem;}.article-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:1.5rem;transition:all var(--transition);display:flex;flex-direction:column;}.article-card:hover{background:var(--bg-card-hover);border-color:rgba(0,212,255,0.25);transform:translateY(-2px);box-shadow:var(--shadow-md);}.article-card .card-tag{display:inline-block;font-size:0.75rem;font-weight:600;color:var(--accent);background:var(--accent-dim);padding:0.2rem 0.6rem;border-radius:4px;margin-bottom:0.75rem;text-transform:uppercase;letter-spacing:0.04em;}.article-card h3{font-size:1.15rem;margin-bottom:0.6rem;line-height:1.45;}.article-card h3 a{color:var(--text-primary);}.article-card h3 a:hover{color:var(--accent);}.article-card .card-excerpt{font-size:0.875rem;color:var(--text-secondary);line-height:1.6;flex:1;margin-bottom:1rem;}.article-card .card-meta{display:flex;align-items:center;justify-content:space-between;font-size:0.8rem;color:var(--text-muted);padding-top:1rem;border-top:1px solid var(--border-light);}.article-card .card-meta .meta-stats{display:flex;gap:1rem;}.article-detail{max-width:780px;margin:0 auto;}.article-detail .article-header{margin-bottom:2.5rem;}.article-detail .article-meta-top{display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem;font-size:0.85rem;color:var(--text-muted);}.article-detail h1{font-size:2rem;margin-bottom:1rem;}.article-detail .article-subtitle{font-size:1.1rem;color:var(--text-secondary);margin-bottom:1.5rem;line-height:1.6;}.article-detail .article-tags{display:flex;flex-wrap:wrap;gap:0.5rem;margin-bottom:1.5rem;}.article-detail .article-tags span{font-size:0.78rem;padding:0.2rem 0.7rem;background:var(--accent-dim);color:var(--accent);border-radius:16px;font-weight:500;}.article-body{font-size:1.025rem;line-height:1.85;}.article-body h2{font-size:1.4rem;margin-top:2.5rem;margin-bottom:1rem;padding-bottom:0.5rem;border-bottom:1px solid var(--border);}.article-body h3{font-size:1.15rem;margin-top:2rem;margin-bottom:0.75rem;color:var(--text-primary);}.article-body table{width:100%;border-collapse:collapse;margin:1.5rem 0;font-size:0.9rem;}.article-body th{background:var(--accent-dim);color:var(--accent);padding:0.6rem 0.9rem;text-align:left;font-weight:600;font-size:0.85rem;}.article-body td{padding:0.6rem 0.9rem;border-bottom:1px solid var(--border-light);color:var(--text-secondary);}.article-body tr:hover td{background:rgba(0,212,255,0.03);}.article-body strong{color:var(--text-primary);}.article-body .highlight-box{background:var(--accent-dim);border:1px solid rgba(0,212,255,0.2);border-radius:var(--radius);padding:1.25rem 1.5rem;margin:1.5rem 0;}.article-body .highlight-box p:last-child{margin-bottom:0;}.article-footer{margin-top:3rem;padding-top:2rem;border-top:1px solid var(--border);}.article-footer .share-section{display:flex;align-items:center;gap:1rem;margin-bottom:1.5rem;}.article-footer .share-section span{font-size:0.85rem;color:var(--text-muted);}.share-btn{padding:0.35rem 0.9rem;font-size:0.8rem;border-radius:16px;background:var(--bg-card);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;transition:all var(--transition);}.share-btn:hover{border-color:var(--accent);color:var(--accent);}.related-articles{margin-top:2rem;}.related-articles h3{font-size:1rem;color:var(--text-muted);margin-bottom:1rem;text-transform:uppercase;letter-spacing:0.06em;}.related-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:0.75rem;list-style:none;padding:0;}.related-list li a{display:block;padding:0.75rem 1rem;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-secondary);font-size:0.875rem;transition:all var(--transition);}.related-list li a:hover{border-color:var(--accent);color:var(--text-primary);}.gallery-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;}.gallery-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition);}.gallery-item:hover{border-color:rgba(0,212,255,0.25);transform:translateY(-2px);box-shadow:var(--shadow-md);}.gallery-item .gallery-preview{aspect-ratio:9/16;background:var(--bg-secondary);display:flex;align-items:center;justify-content:center;overflow:hidden;}.gallery-item .gallery-preview img{width:100%;height:100%;object-fit:cover;}.gallery-item .gallery-preview .placeholder{color:var(--text-muted);font-size:0.8rem;text-align:center;padding:1rem;}.gallery-item .gallery-info{padding:1rem 1.25rem;}.gallery-item .gallery-info h3{font-size:1rem;margin-bottom:0.3rem;}.gallery-item .gallery-info p{font-size:0.8rem;color:var(--text-muted);margin-bottom:0;}.cta-section{background:linear-gradient(135deg,rgba(0,212,255,0.06),rgba(0,153,204,0.04));border:1px solid rgba(0,212,255,0.15);border-radius:var(--radius-lg);padding:2.5rem;text-align:center;margin:3rem 0;}.cta-section h2{margin-bottom:0.5rem;}.cta-section p{max-width:520px;margin:0 auto 1.5rem;}.site-footer{background:rgba(10,14,26,0.6);border-top:1px solid var(--border);padding:2.5rem 0 1.5rem;margin-top:auto;}.footer-inner{max-width:var(--max-width);margin:0 auto;padding:0 1.5rem;display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:2rem;}.footer-brand p{font-size:0.85rem;color:var(--text-muted);max-width:320px;margin-top:0.5rem;}.footer-links{display:flex;gap:3rem;flex-wrap:wrap;}.footer-col h4{font-size:0.8rem;text-transform:uppercase;letter-spacing:0.08em;margin-bottom:0.75rem;color:var(--text-muted);}.footer-col a{display:block;font-size:0.85rem;color:var(--text-secondary);margin-bottom:0.4rem;transition:color var(--transition);}.footer-col a:hover{color:var(--accent);}.footer-bottom{max-width:var(--max-width);margin:2rem auto 0;padding:1.25rem 1.5rem 0;border-top:1px solid var(--border-light);text-align:center;font-size:0.8rem;color:var(--text-muted);}.about-section{max-width:680px;margin:0 auto;}.about-section .stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1rem;margin:2rem 0;}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem;text-align:center;}.stat-card .stat-value{font-size:1.75rem;font-weight:700;color:var(--accent);}.stat-card .stat-label{font-size:0.8rem;color:var(--text-muted);margin-top:0.25rem;}.breadcrumb{font-size:0.85rem;color:var(--text-muted);margin-bottom:1.5rem;}.breadcrumb a{color:var(--text-muted);}.breadcrumb a:hover{color:var(--accent);}.breadcrumb .separator{margin:0 0.5rem;}.toc{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.25rem 1.5rem;margin-bottom:2rem;}.toc h4{font-size:0.85rem;text-transform:uppercase;letter-spacing:0.06em;color:var(--text-muted);margin-bottom:0.75rem;}.toc ol{list-style:none;padding:0;margin:0;}.toc ol li{margin-bottom:0.4rem;}.toc ol li a{font-size:0.9rem;color:var(--text-secondary);transition:color var(--transition);}.toc ol li a:hover{color:var(--accent);}@media (max-width:768px){html{font-size:15px;}.site-nav{display:none;position:fixed;top:var(--header-height);left:0;right:0;background:rgba(10,14,26,0.95);backdrop-filter:blur(16px);flex-direction:column;padding:1.5rem;border-bottom:1px solid var(--border);gap:1.25rem;}.site-nav.open{display:flex;}.nav-toggle{display:block;}.hero h1{font-size:1.85rem;}.article-grid{grid-template-columns:1fr;}.gallery-grid{grid-template-columns:1fr;}.footer-inner{flex-direction:column;}.footer-links{gap:1.5rem;}.article-detail h1{font-size:1.5rem;}.article-body{font-size:1rem;}}@media (max-width:480px){.hero{padding:2rem 0 1.5rem;}.hero h1{font-size:1.5rem;}.hero p{font-size:0.95rem;}.btn{padding:0.5rem 1.2rem;font-size:0.85rem;}.related-list{grid-template-columns:1fr;}}.content-gate{margin:2rem 0;text-align:center;}.gate-card{background:linear-gradient(145deg,var(--bg-card) 0%,rgba(26,31,53,0.98) 100%);border:1px solid rgba(0,212,255,0.2);border-radius:var(--radius-lg);padding:2.5rem 2rem;position:relative;overflow:hidden;}.gate-card::before{content:'';position:absolute;top:-40%;left:-20%;width:140%;height:180%;background:radial-gradient(ellipse at center,rgba(0,212,255,0.04) 0%,transparent 70%);pointer-events:none;}.gate-card .gate-icon{width:56px;height:56px;margin:0 auto 1.25rem;background:var(--accent-dim);border:1px solid rgba(0,212,255,0.25);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;color:var(--accent);}.gate-card h3{font-size:1.15rem;color:var(--text-primary);margin-bottom:0.75rem;}.gate-card p{font-size:0.875rem;color:var(--text-secondary);max-width:420px;margin:0 auto 1.5rem;line-height:1.65;}.gate-card .gate-highlight{display:inline-block;font-size:0.78rem;font-weight:600;color:var(--accent);background:var(--accent-dim);padding:0.25rem 0.8rem;border-radius:4px;margin-bottom:1.25rem;letter-spacing:0.03em;}.gate-card .gate-qr{width:160px;height:160px;border-radius:var(--radius);border:2px solid var(--border);object-fit:contain;background:#fff;margin:0 auto 0.75rem;display:block;}.gate-card .gate-instruction{font-size:0.8rem;color:var(--text-muted);margin-top:0.5rem;}.gate-card .gate-instruction code{font-family:var(--font-mono);font-size:0.85em;background:rgba(0,212,255,0.1);padding:0.1em 0.55em;border-radius:3px;color:var(--accent);}details.gated-details{display:block;margin:2rem 0;padding:0;border:1px solid var(--border);border-radius:var(--radius-lg);background:var(--bg-card);overflow:hidden;}details.gated-details > summary{list-style:none;cursor:pointer;padding:1rem 1.5rem;font-size:0.95rem;font-weight:600;color:var(--accent);background:linear-gradient(135deg,rgba(59,130,246,0.06),rgba(139,92,246,0.06));user-select:none;display:flex;align-items:center;gap:0.5rem;transition:background 0.2s ease,border-color 0.2s ease;border-bottom:1px solid transparent;}details.gated-details > summary:hover{background:linear-gradient(135deg,rgba(59,130,246,0.12),rgba(139,92,246,0.12));}details.gated-details > summary::-webkit-details-marker{display:none;}details.gated-details > summary::marker{display:none;content:"";}details.gated-details > summary::before{content:"▶";display:inline-block;font-size:0.7rem;transition:transform 0.3s ease;flex-shrink:0;}details.gated-details[open] > summary::before{transform:rotate(90deg);}details.gated-details[open] > summary{border-bottom-color:var(--border);border-radius:var(--radius-lg) var(--radius-lg) 0 0;}.gated-content{padding:1.5rem;}.gated-content::after{display:none;}.gate-section{position:relative;}.gate-section .content-gate{position:relative;z-index:2;}.asset-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem;margin-bottom:3rem;}.asset-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem 1.5rem;transition:all var(--transition);display:flex;flex-direction:column;align-items:center;text-align:center;}.asset-card:hover{background:var(--bg-card-hover);border-color:rgba(0,212,255,0.25);transform:translateY(-2px);box-shadow:var(--shadow-md);}.asset-card .asset-icon{width:64px;height:64px;margin-bottom:1.25rem;background:var(--accent-dim);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.75rem;}.asset-card h3{font-size:1.05rem;color:var(--text-primary);margin-bottom:0.6rem;}.asset-card p{font-size:0.85rem;color:var(--text-secondary);line-height:1.55;margin-bottom:1.25rem;flex:1;}.asset-card .asset-meta{font-size:0.75rem;color:var(--text-muted);display:flex;align-items:center;gap:1rem;margin-bottom:1.25rem;}.asset-card .btn-gate{display:inline-flex;align-items:center;gap:0.4rem;padding:0.6rem 1.6rem;border-radius:20px;font-size:0.9rem;font-weight:600;background:linear-gradient(135deg,var(--accent),#0099cc);color:#0a0e1a;border:none;cursor:pointer;transition:all var(--transition);}.asset-card .btn-gate:hover{opacity:0.9;transform:translateY(-1px);box-shadow:0 4px 16px var(--accent-glow);}.engines-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1.25rem;margin-bottom:3rem;}.engine-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;transition:all var(--transition);position:relative;overflow:hidden;}.engine-card:hover{background:var(--bg-card-hover);border-color:rgba(0,212,255,0.25);transform:translateY(-2px);box-shadow:var(--shadow-md);}.engine-card::after{content:'';position:absolute;top:0;right:0;width:120px;height:120px;border-radius:50%;opacity:0.05;transform:translate(30%,-30%);pointer-events:none;}.engine-card:nth-child(1)::after{background:#00d4ff;}.engine-card:nth-child(2)::after{background:#a78bfa;}.engine-card:nth-child(3)::after{background:#34d399;}.engine-card:nth-child(4)::after{background:#f59e0b;}.engine-card .engine-icon{font-size:1.75rem;margin-bottom:1rem;display:block;}.engine-card h3{font-size:1.15rem;color:var(--text-primary);margin-bottom:0.5rem;}.engine-card .engine-desc{font-size:0.85rem;color:var(--text-secondary);line-height:1.55;margin-bottom:1rem;}.engine-card .engine-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:0.35rem;}.engine-card .engine-links li a{font-size:0.85rem;color:var(--text-secondary);display:inline-flex;align-items:center;gap:0.35rem;transition:color var(--transition);}.engine-card .engine-links li a:hover{color:var(--accent);}.hero-cta-qr{display:inline-flex;align-items:center;gap:1.25rem;background:linear-gradient(135deg,rgba(0,212,255,0.08),rgba(0,153,204,0.04));border:1px solid rgba(0,212,255,0.2);border-radius:var(--radius-lg);padding:1rem 1.5rem;margin-top:1rem;}.hero-cta-qr img{width:100px;height:100px;border-radius:6px;border:2px solid var(--border);object-fit:contain;background:#fff;flex-shrink:0;}.hero-cta-qr .qr-text{text-align:left;}.hero-cta-qr .qr-text .qr-title{font-size:0.95rem;font-weight:600;color:var(--text-primary);margin-bottom:0.3rem;}.hero-cta-qr .qr-text .qr-sub{font-size:0.8rem;color:var(--text-secondary);line-height:1.5;}.hero-cta-qr .qr-text code{font-family:var(--font-mono);font-size:0.85em;background:rgba(0,212,255,0.1);color:var(--accent);padding:0.1em 0.4em;border-radius:3px;}.qr-modal-overlay{display:none;position:fixed;inset:0;z-index:1000;background:rgba(0,0,0,0.8);backdrop-filter:blur(6px);align-items:center;justify-content:center;}.qr-modal-overlay.show{display:flex;}.qr-modal{background:var(--bg-card);border:1px solid rgba(0,212,255,0.25);border-radius:var(--radius-lg);padding:2.5rem;text-align:center;max-width:380px;width:90%;position:relative;animation:modalIn 0.25s ease;}@keyframes modalIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.qr-modal .modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--text-muted);font-size:1.25rem;cursor:pointer;padding:0.25rem;line-height:1;transition:color var(--transition);}.qr-modal .modal-close:hover{color:var(--text-primary);}.qr-modal h3{font-size:1.15rem;color:var(--text-primary);margin-bottom:1.25rem;}.qr-modal img{width:180px;height:180px;border-radius:var(--radius);margin:0 auto 1rem;object-fit:contain;background:#fff;border:2px solid var(--border);}.qr-modal .modal-instruction{font-size:0.85rem;color:var(--text-secondary);line-height:1.6;}.qr-modal .modal-instruction code{font-family:var(--font-mono);font-size:0.9em;background:rgba(0,212,255,0.1);color:var(--accent);padding:0.1em 0.5em;border-radius:3px;}@media (max-width:768px){.engines-grid{grid-template-columns:1fr;}.hero-cta-qr{flex-direction:column;text-align:center;}.hero-cta-qr .qr-text{text-align:center;}.asset-grid{grid-template-columns:1fr;}.gate-card{padding:2rem 1.25rem;}}@media (max-width:480px){.gate-card .gate-qr{width:140px;height:140px;}}@media print{.site-header,.site-footer,.nav-cta,.share-section{display:none;}body{background:#fff;color:#000;}.article-body{color:#333;}}