@keyframes falling-stars{0%{transform:translateY(-50vh) translateX(0);opacity:1}50%{transform:translateY(0) translateX(25px);opacity:1}to{transform:translateY(50vh) translateX(50px);opacity:1}}@keyframes falling-stars-2{0%{transform:translateY(-30vh) translateX(30px);opacity:1}50%{transform:translateY(20vh) translateX(55px);opacity:1}to{transform:translateY(70vh) translateX(80px);opacity:1}}@keyframes drift{0%,to{transform:translate3d(0,0,0)}50%{transform:translate3d(20px,-16px,0)}}:root{--bg:#0a0a0a;--surface:#111111;--card:#141414;--border:#1f1f1f;--text:#eaeaea;--muted:#b5b5b5;--primary:#7c5cff;--primary-600:#6a47ff;--accent:#22d3ee;--success:#22c55e;--warning:#f59e0b;--danger:#ef4444;--primary-a05:rgba(124, 92, 255, 0.05);--primary-a08:rgba(124, 92, 255, 0.08);--primary-a10:rgba(124, 92, 255, 0.10);--primary-a12:rgba(124, 92, 255, 0.12);--primary-a15:rgba(124, 92, 255, 0.15);--primary-a20:rgba(124, 92, 255, 0.20);--primary-a25:rgba(124, 92, 255, 0.25);--primary-a30:rgba(124, 92, 255, 0.30);--primary-a35:rgba(124, 92, 255, 0.35);--primary-a40:rgba(124, 92, 255, 0.40);--ring:rgba(124, 92, 255, 0.30);--surface-2:rgba(255, 255, 255, 0.02);--surface-3:rgba(255, 255, 255, 0.04);--border-subtle:rgba(255, 255, 255, 0.05);--border-light:rgba(255, 255, 255, 0.08);--border-medium:rgba(255, 255, 255, 0.12);--font-family:Inter, system-ui, -apple-system, 'Segoe UI', Roboto, Ubuntu, Cantarell, 'Noto Sans', sans-serif;--font-family-mono:'Monaco', 'Menlo', 'Ubuntu Mono', monospace;--font-size-xs:0.75rem;--font-size-sm:0.875rem;--font-size-base:1rem;--font-size-md:1.125rem;--font-size-lg:1.5rem;--font-size-xl:2rem;--font-size-2xl:clamp(2rem, 4vw, 2.625rem);--font-size-3xl:clamp(2.5rem, 5vw, 3.75rem);--font-weight-normal:400;--font-weight-medium:500;--font-weight-semibold:600;--font-weight-bold:700;--font-weight-extrabold:800;--line-height-tight:1.15;--line-height-snug:1.35;--line-height-base:1.6;--line-height-loose:1.75;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--space-8:32px;--space-10:40px;--space-12:48px;--space-16:64px;--space-20:80px;--space-24:96px;--space-30:120px;--section-padding-y:90px;--section-gap:48px;--radius-sm:6px;--radius-md:12px;--radius-lg:16px;--radius-xl:20px;--radius-2xl:24px;--radius-3xl:32px;--radius-full:9999px;--ease:cubic-bezier(0.4, 0, 0.2, 1);--transition-fast:0.15s ease;--transition-base:0.3s ease;--transition-slow:0.5s ease;--transition-all:all 0.3s ease;--shadow-sm:0 4px 12px rgba(0, 0, 0, 0.2);--shadow-md:0 8px 32px rgba(0, 0, 0, 0.3);--shadow-lg:0 20px 60px rgba(0, 0, 0, 0.4);--shadow-primary-sm:0 4px 16px var(--primary-a20);--shadow-primary-md:0 8px 32px var(--primary-a40);--shadow-primary-lg:0 12px 40px var(--primary-a40);--gradient-primary:linear-gradient(135deg, var(--primary), var(--primary-600));--gradient-primary-soft:linear-gradient(135deg, rgba(124, 92, 255, 0.08), rgba(34, 211, 238, 0.05));--gradient-text:linear-gradient(135deg, #fff, #cfc8ff, #22d3ee);--gradient-text-short:linear-gradient(135deg, #fff, #cfc8ff);--gradient-accent:linear-gradient(135deg, rgba(34, 197, 94, 0.08), rgba(6, 182, 212, 0.06));--gradient-card:linear-gradient(135deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));--header-height:112px;--container-max:1200px}*{box-sizing:border-box}body,html{margin:0;padding:0;overflow-x:hidden}body{font-family:var(--font-family);background:var(--bg);color:var(--text);line-height:var(--line-height-base);-webkit-font-smoothing:antialiased;padding-top:var(--header-height);position:relative;width:100%;max-width:100vw}.bg-orbs,body::after{position:fixed;pointer-events:none}body::after{content:"";top:0;left:0;width:100%;height:100%;background:radial-gradient(2px 2px at 20px 30px,rgb(255 255 255/.3),transparent),radial-gradient(2px 2px at 40px 70px,rgb(255 255 255/.2),transparent),radial-gradient(1px 1px at 90px 40px,rgb(255 255 255/.4),transparent),radial-gradient(1px 1px at 130px 80px,rgb(255 255 255/.2),transparent);background-repeat:repeat;background-size:400px 250px;animation:falling-stars 30s linear infinite;z-index:-1}.article-header::before,body::before{content:"";top:0;left:0;pointer-events:none}body::before{position:fixed;width:100%;height:100%;background:radial-gradient(1px 1px at 50px 100px,rgb(255 255 255/.3),transparent),radial-gradient(2px 2px at 150px 200px,rgb(255 255 255/.2),transparent),radial-gradient(1px 1px at 250px 150px,rgb(255 255 255/.4),transparent);background-repeat:repeat;background-size:600px 400px;animation:falling-stars-2 40s linear infinite;z-index:-1}.bg-orbs{inset:0;z-index:0}.bg-orbs span{position:absolute;display:block;border-radius:var(--radius-full);opacity:.18;mix-blend:screen;animation:drift linear infinite}.bg-orbs .o1{top:8%;left:6%;width:280px;height:280px;background:radial-gradient(closest-side,rgb(124 92 255/.8),transparent 60%);animation-duration:36s}.bg-orbs .o2{top:18%;right:8%;width:340px;height:340px;background:radial-gradient(closest-side,rgb(34 211 238/.7),transparent 60%);animation-duration:44s;animation-direction:reverse}.bg-orbs .o3{bottom:12%;left:10%;width:260px;height:260px;background:radial-gradient(closest-side,rgb(165 243 252/.55),transparent 60%);animation-duration:50s}.bg-orbs .o4{bottom:6%;right:6%;width:300px;height:300px;background:radial-gradient(closest-side,rgb(124 92 255/.6),transparent 60%);animation-duration:38s}.bg-orbs .o5{top:40%;left:2%;width:220px;height:220px;background:radial-gradient(closest-side,rgb(255 255 255/.14),transparent 60%);animation-duration:60s}.bg-orbs .o6{top:55%;right:2%;width:240px;height:240px;background:radial-gradient(closest-side,rgb(255 255 255/.12),transparent 60%);animation-duration:54s;animation-direction:reverse}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none}.container{width:calc(100% - 120px);max-width:1440px;margin-inline:auto}.section{padding:96px 0}.section-title{font-size:var(--font-size-2xl);font-weight:var(--font-weight-bold);letter-spacing:-.01em;line-height:var(--line-height-tight);margin:0 0 var(--space-6);background:var(--gradient-text-short);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text}.section-subtitle{font-size:var(--font-size-md);color:var(--muted);line-height:var(--line-height-base);margin:0 0 var(--space-6)}img.aligncenter{margin:0 auto}.form-error,.form-success{padding:16px;border-radius:var(--radius-md);margin-top:16px;display:none}.form-success{background:linear-gradient(135deg,rgb(34 197 94/.1),rgb(34 197 94/.05));border:1px solid rgb(34 197 94/.3);color:#22c55e}.form-error{background:linear-gradient(135deg,rgb(239 68 68/.1),rgb(239 68 68/.05));border:1px solid rgb(239 68 68/.3);color:#ef4444}.article-header::before{position:absolute;right:0;bottom:0;background:radial-gradient(600px 400px at 20% 50%,var(--primary-a08),transparent 60%),radial-gradient(400px 300px at 80% 30%,rgb(34 211 238/.06),transparent 60%)}.article-meta,.breadcrumbs{display:flex;align-items:center;justify-content:center;margin-bottom:24px}.breadcrumbs{gap:8px;font-size:14px;color:var(--muted)}.breadcrumbs a{color:var(--muted);transition:color .2s ease}.article-meta{gap:16px;flex-wrap:wrap}.article-date,.article-read-time{color:var(--muted);font-size:14px}.article-title{font-size:clamp(32px,5vw,48px);font-weight:800;line-height:1.2;margin:0 auto 16px;background:var(--gradient-text);-webkit-background-clip:text;-webkit-text-fill-color:#fff0;background-clip:text;max-width:1200px;text-align:center}.article-author{max-width:100%;margin:52px auto 0;padding:32px 0 0;background:#fff0;border:0;border-top:1px solid #e2e8f0;border-radius:0;display:flex;gap:24px;align-items:center}.author-photo{width:80px;height:80px;border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--primary);flex-shrink:0}.author-details{flex:1}.article-author .author-name{color:#0f172a!important;font-size:1.15rem;font-weight:700;margin:0 0 6px;background:0 0!important;-webkit-text-fill-color:initial!important}.article-author .author-bio{color:#475569!important;font-size:.95rem;margin:0;line-height:1.55}.article-tags{max-width:100%;margin:28px auto 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center}.tags-label{font-size:.9rem;font-weight:600;color:#64748b}.tag-link{display:inline-block;padding:6px 16px;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:var(--radius-xl);color:#475569;text-decoration:none;font-size:.85rem;font-weight:500;transition:var(--transition-all)}.tag-link:hover{background:var(--primary);border-color:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:0 4px 12px var(--primary-a30)}.related-posts{background:rgb(255 255 255/.01);border-top:1px solid var(--border-subtle)}.related-posts .section-header{text-align:center;margin-bottom:48px}.article-content>.container{max-width:920px;background:#f8fafc;border-radius:calc(var(--radius-2xl) + 4px);padding:64px 72px;box-shadow:0 25px 70px -10px rgb(0 0 0/.5),0 1px 3px 0 rgb(0 0 0/.1);border:1px solid rgb(255 255 255/.15);color:#334155;position:relative;z-index:2}.article-body h2,.article-body h3{font-weight:700;color:#0f172a;position:relative}.article-body h2{font-size:30px;margin:52px 0 20px;padding-bottom:14px;letter-spacing:-.01em}.article-body h2::after{content:"";position:absolute;bottom:0;left:0;width:50px;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-600));border-radius:2px}.article-body h3{font-size:22px;margin:38px 0 16px;padding-left:18px}.article-body h3::before,.article-body ul li::before{content:"";position:absolute;background:var(--primary)}.article-body h3::before{left:0;top:6px;width:4px;height:20px;border-radius:2px}.article-body h4{font-size:19px;font-weight:600;margin:32px 0 12px;color:#0f172a}.article-body li,.article-body p{font-size:18px;line-height:1.75;margin:0 0 24px;color:#334155}.article-body ul{margin:0 0 32px;padding-left:0;list-style:none}.article-body li{margin:0 0 12px;padding-left:32px;position:relative}.article-body ul li::before{left:8px;top:12px;width:6px;height:6px;border-radius:var(--radius-full)}.article-body strong{color:#0f172a;font-weight:700;background:var(--primary-a08);padding:2px 6px;border-radius:calc(var(--radius-sm) - 2px)}.article-body a{color:#6d28d9;font-weight:600;text-decoration:underline;text-decoration-color:rgb(109 40 217/.3);text-underline-offset:3px;transition:all .2s ease}.article-body a:hover{color:#4c1d95;text-decoration-color:#4c1d95}.article-body iframe,.article-body img{border-radius:var(--radius-xl)!important;max-width:100%!important;height:auto}.article-body table{width:100%;border-collapse:separate;border-spacing:0;margin:32px 0;background:#fff;border:1px solid #e2e8f0;border-radius:var(--radius-md);font-size:16px;box-shadow:0 4px 12px rgb(0 0 0/.03)}.article-body th{background:#f1f5f9;color:#0f172a;font-weight:600;text-align:left;padding:16px 24px;border-bottom:2px solid #e2e8f0}.article-body td{padding:16px 24px;color:#334155;border-bottom:1px solid #f1f5f9;transition:background .2s ease}.article-body tr:last-child td{border-bottom:none}.article-body tr:hover td{color:#0f172a;background:var(--primary-a05)}.article-header{padding:120px 0 60px;background:linear-gradient(135deg,var(--primary-a10),rgb(34 211 238/.05));border-bottom:1px solid var(--primary-a20);position:relative;overflow:hidden}.article-body{max-width:800px;margin:0 auto;position:relative;z-index:1}.author-name{font-size:18px;font-weight:700;color:var(--text);margin:0 0 8px;-webkit-background-clip:text;background-clip:text}.author-bio{font-size:16px;line-height:1.6;color:var(--muted);margin:0 0 20px}html{scroll-behavior:smooth}a,button{cursor:pointer}:focus{outline:2px solid var(--primary)!important;outline-offset:2px!important}.btn:disabled{opacity:.5;cursor:not-allowed}.btn:disabled,.btn:disabled:hover{transform:none}input,textarea{transition:all .2s ease}input:focus,textarea:focus{transform:translateY(-1px);box-shadow:0 4px 12px var(--primary-a15)}.modal .form-error,.modal .form-success{margin-top:15px;padding:12px;border-radius:var(--radius-sm);font-size:14px;text-align:center}.modal .form-success{background:linear-gradient(135deg,rgb(34 197 94/.1),rgb(34 197 94/.05));border:1px solid rgb(34 197 94/.3);color:#22c55e}.modal .form-error{background:linear-gradient(135deg,rgb(239 68 68/.1),rgb(239 68 68/.05));border:1px solid rgb(239 68 68/.3);color:#ef4444}.btn svg{transition:transform .3s ease}.btn:hover svg{transform:translateX(2px) translateY(-2px)}.faq-section{position:relative;background:#fff0;overflow:hidden}.faq-container{max-width:1000px;margin:0 auto;position:relative;z-index:1}.faq-grid{display:grid;gap:16px;margin-bottom:60px}.faq-item::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,var(--primary-a05),rgb(34 211 238/.03));opacity:0;transition:opacity .3s ease;pointer-events:none}.faq-item:hover{transform:translateY(-2px);box-shadow:0 20px 60px -40px rgb(0 0 0/.6),0 8px 25px -20px var(--primary-a20);border-color:var(--primary-a20)}.faq-question{width:100%;padding:24px;background:0 0;border:0;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:20px;text-align:left;transition:var(--transition-all);position:relative;z-index:1}.faq-question:hover{background:rgb(255 255 255/.02)}.question-content{flex:1;min-width:0}.question-title{color:var(--text);font-size:18px;font-weight:700;margin:0 0 8px;line-height:1.3}.question-icon{flex-shrink:0;width:24px;height:24px;color:var(--muted);transition:var(--transition-all);display:flex;align-items:center;justify-content:center}.faq-answer{max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(.4,0,.2,1);position:relative;z-index:1}.answer-content{padding:24px;color:var(--muted);font-size:15px;line-height:1.6}.answer-content p{margin:0 0 16px}.faq-more{margin:40px 0}.faq-item.more{display:none}.footer-content{display:grid;grid-template-columns:1fr 2fr;gap:80px;margin-bottom:60px;position:relative;z-index:1}.footer-brand{max-width:400px}.footer-logo{display:inline-flex;gap:6px;font-size:28px;font-weight:800;color:var(--text);text-decoration:none;margin-bottom:16px;transition:color .3s ease}.footer-social{display:flex;gap:16px}.social-link{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--border-subtle),rgb(255 255 255/.02));border:1px solid rgb(255 255 255/.1);color:var(--muted);text-decoration:none;transition:var(--transition-all)}.social-link:hover{background:linear-gradient(135deg,var(--primary-a20),rgb(34 211 238/.15));border-color:var(--primary-a30);color:var(--primary);transform:translateY(-2px);box-shadow:0 8px 25px -8px var(--primary-a30)}.footer-links{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:48px;justify-items:start}.footer-title{color:var(--text);font-size:18px;font-weight:700;margin:0}.footer-list{display:flex;flex-direction:column;gap:12px;list-style:none;margin:0;padding:0}.footer-link{color:var(--muted);text-decoration:none;font-size:15px;transition:var(--transition-all);position:relative}.footer-link::before{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--primary);transition:width .3s ease}.footer-link:hover{color:var(--primary);padding-left:8px}.footer-bottom{display:flex;justify-content:space-between;align-items:center;padding-top:32px;border-top:1px solid var(--border-light);position:relative;z-index:1}.footer-copyright{display:flex;flex-direction:column;gap:4px}.footer-legal{display:flex;gap:24px}.footer-legal-link{color:var(--muted);text-decoration:none;font-size:14px;transition:color .3s ease}.faq-section::before,.site-footer::before{content:"";position:absolute;inset:0;background:#fff0;pointer-events:none}.footer-column{display:flex;flex-direction:column;gap:20px}.btn{gap:8px;text-decoration:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--radius-md);border:1px solid #fff0;background:linear-gradient(135deg,#1a1a1a,#0f0f0f);color:var(--text);font-weight:600;font-size:15px;letter-spacing:.01em;transition:var(--transition-all);box-shadow:0 4px 12px -4px rgb(0 0 0/.3)}.btn::before{inset:0;background:linear-gradient(135deg,var(--border-light),rgb(255 255 255/.02));opacity:0;transition:opacity .3s ease;pointer-events:none}.btn:hover{transform:translateY(-2px);box-shadow:0 8px 25px -8px rgb(0 0 0/.4),0 4px 12px -4px rgb(0 0 0/.2)}.btn:hover::before{left:100%;opacity:1}.btn:active{transform:translateY(0);transition:transform .1s ease}.btn,.btn-ghost,.btn-primary{position:relative;overflow:hidden}.btn-primary{border:1px solid var(--primary-a30);background:linear-gradient(135deg,var(--primary),var(--primary-600));color:#fff;border-color:var(--primary);box-shadow:0 4px 12px -4px var(--primary-a30),0 2px 8px -2px var(--primary-a20)}.btn-primary:hover{transform:translateY(-2px);background:linear-gradient(135deg,#8b5cf6,#7c3aed);box-shadow:0 12px 35px -8px rgb(124 92 255/.6),0 0 0 1px rgb(255 255 255/.2),0 4px 12px -4px var(--primary-a40)}.btn-ghost{border:1px solid rgb(255 255 255/.2);background:linear-gradient(135deg,rgb(255 255 255/.04),rgb(255 255 255/.01));color:var(--text);border-color:rgb(255 255 255/.1)}.btn-ghost::before,.btn::before,.mobile-menu-link::before{content:"";position:absolute;top:0;left:-100%;width:100%;height:100%}.btn-ghost::before{background:linear-gradient(90deg,transparent,rgb(255 255 255/.2),transparent);transition:left .6s ease}.btn-ghost:hover{transform:translateY(-2px);background:linear-gradient(135deg,var(--border-light),rgb(255 255 255/.04));border-color:rgb(255 255 255/.2);box-shadow:0 8px 25px -8px rgb(0 0 0/.3),0 4px 12px -4px rgb(0 0 0/.2)}.article-body iframe,.footer-link:hover::before{width:100%}.site-header{position:fixed;top:0;left:0;right:0;z-index:50;background:#fff0;padding:20px 0;transform:translateY(0);transition:all .4s cubic-bezier(.4,0,.2,1)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}.logo{font-weight:800;letter-spacing:.2px;font-size:20px;display:inline-flex;align-items:center;outline:0!important}.logo,.site-nav{gap:6px}.lang-switcher,.site-nav,.site-nav a{display:flex;align-items:center}.site-nav a{position:relative;height:40px;padding:0 14px;border-radius:var(--radius-sm);transition:var(--transition-all);font-weight:500;color:var(--muted);text-decoration:none}.site-nav a:hover{color:var(--text);background:rgb(255 255 255/.06)}.site-nav a.active{color:#fff;background:var(--primary-a08);box-shadow:inset 0 0 0 1px var(--primary-a20)}.lang-switcher{gap:4px;margin-right:8px;padding:3px;background:rgb(255 255 255/.03);border:1px solid var(--border-light);border-radius:9px}.lang-item,.nav-toggle{border-radius:var(--radius-sm);transition:var(--transition-all)}.lang-item{font-size:11px;font-weight:700;color:var(--muted);text-decoration:none;padding:4px 8px;line-height:1;text-transform:uppercase}.lang-item:hover{color:var(--text);background:var(--border-subtle)}.lang-item.active{color:#fff;background:var(--primary);box-shadow:0 4px 12px var(--primary-a30)}.nav-toggle{display:none;background:#fff0;border:0;cursor:pointer;padding:8px;z-index:1001;position:relative;width:32px;height:32px}.nav-toggle:hover{background:var(--primary-a10)}.burger-line{width:20px;height:2px;background:var(--text);border-radius:2px;transition:all .3s var(--ease);transform-origin:center;position:relative}.nav-toggle:hover 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