@keyframes sp-float-1{0%,to{transform:translate(0) scale(1)}33%{transform:translate(30px,-20px) scale(1.05)}66%{transform:translate(-15px,15px) scale(.97)}}@keyframes sp-float-2{0%,to{transform:translate(0) scale(1)}33%{transform:translate(-25px,18px) scale(1.03)}66%{transform:translate(20px,-25px) scale(.96)}}@keyframes sp-float-3{0%,to{transform:translate(0) scale(1)}50%{transform:translate(15px,25px) scale(1.04)}}@keyframes sp-pulse-glow{0%,to{box-shadow:0 0 12px #6366f180}50%{box-shadow:0 0 20px #8b5cf6b3,0 0 40px #6366f133}}@keyframes sp-fade-up{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.sp-reveal{opacity:0;transform:translateY(24px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1);transition-delay:var(--delay, 0s)}.sp-reveal.visible{opacity:1;transform:translateY(0)}.sp-progress{position:fixed;top:0;left:0;width:0%;height:3px;background:linear-gradient(90deg,#6366f1,#8b5cf6,#a78bfa,#38bdf8);background-size:300% 100%;animation:sp-pulse-glow 2s ease-in-out infinite;z-index:9999;transition:width .08s linear}.sp-main{min-height:100vh;padding-bottom:80px}.sp-hero{position:relative;padding:72px 0 48px;overflow:hidden;background:linear-gradient(160deg,#f8fafc,#eef2ff 30%,#f0f4ff 50%,#f8fafc)}.sp-hero-accent{position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#6366f1,#8b5cf6,#a78bfa,#38bdf8);background-size:200% 100%;animation:sp-shimmer 3s linear infinite}@keyframes sp-shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.sp-hero-orb{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35;pointer-events:none}.sp-hero-orb-1{width:300px;height:300px;background:radial-gradient(circle,#818cf8,transparent 70%);top:-60px;right:10%;animation:sp-float-1 8s ease-in-out infinite}.sp-hero-orb-2{width:250px;height:250px;background:radial-gradient(circle,#c084fc,transparent 70%);bottom:-40px;left:5%;animation:sp-float-2 10s ease-in-out infinite}.sp-hero-orb-3{width:200px;height:200px;background:radial-gradient(circle,#38bdf8,transparent 70%);top:30%;left:60%;animation:sp-float-3 12s ease-in-out infinite}.sp-hero-inner{max-width:780px;margin:0 auto;padding:0 24px;text-align:center}.sp-featured-img{max-width:860px;margin:-20px auto 32px;padding:0 24px}.sp-featured-img img{width:100%;height:auto;max-height:420px;object-fit:cover;border-radius:16px;box-shadow:0 8px 32px #00000059,0 0 0 1px #ffffff0f;transition:transform .4s ease}.sp-featured-img img:hover{transform:scale(1.01)}.sp-breadcrumb{display:inline-flex;align-items:center;gap:6px;margin-bottom:20px;font-size:12.5px;font-weight:500;color:#94a3b8}.sp-breadcrumb a{color:#6366f1;text-decoration:none;transition:color .15s}.sp-breadcrumb a:hover{color:#4338ca}.sp-breadcrumb svg{color:#cbd5e1;flex-shrink:0}.sp-category-badge{display:inline-block;padding:5px 16px;background:linear-gradient(135deg,#eef2ffcc,#e0e7ffcc);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);color:#4f46e5;font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;border-radius:20px;margin-bottom:16px;border:1px solid rgba(199,210,254,.6);transition:transform .2s,box-shadow .2s}.sp-category-badge:hover{transform:translateY(-1px);box-shadow:0 4px 12px #6366f126}.sp-title{font-size:clamp(26px,5vw,44px);font-weight:800;color:#0f172a;letter-spacing:-.6px;line-height:1.15;margin-bottom:14px;background:linear-gradient(135deg,#0f172a,#334155,#1e293b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.sp-subtitle{font-size:16.5px;color:#64748b;line-height:1.65;max-width:580px;margin:0 auto 28px}.sp-meta{display:flex;justify-content:center}.sp-author-chip{display:inline-flex;align-items:center;gap:10px;padding:6px 16px 6px 6px;background:#ffffffb3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(226,232,240,.6);border-radius:40px;box-shadow:0 2px 8px #0000000a,0 0 0 1px #fff9 inset;transition:transform .2s,box-shadow .2s}.sp-author-chip:hover{transform:translateY(-1px);box-shadow:0 6px 16px #0000000f,0 0 0 1px #fff9 inset}.sp-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#6366f1,#8b5cf6);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:13px}.sp-author-text{display:flex;flex-direction:column;line-height:1.25}.sp-author-name{font-size:13px;font-weight:600;color:#1e293b}.sp-publish-info{font-size:11.5px;color:#94a3b8}.sp-dot{margin:0 3px}.sp-grid{max-width:1240px;margin:40px auto 0;padding:0 24px;display:grid;grid-template-columns:56px 1fr 230px;gap:36px;align-items:start}.sp-share-col{position:sticky;top:100px}.sp-share-rail{display:flex;flex-direction:column;align-items:center;gap:8px}.sp-share-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:#94a3b8;margin-bottom:2px}.sp-share-btn{width:38px;height:38px;border-radius:10px;display:flex;align-items:center;justify-content:center;background:#fffc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid #e2e8f0;color:#64748b;cursor:pointer;transition:all .25s cubic-bezier(.34,1.56,.64,1);text-decoration:none}.sp-share-btn:hover{transform:translateY(-3px) scale(1.08);box-shadow:0 6px 16px #4f46e526;color:#4f46e5;border-color:#a5b4fc;background:#eef2ff}.sp-share-btn:active{transform:translateY(0) scale(.95);transition-duration:.1s}.sp-share-btn.copied{color:#10b981;border-color:#6ee7b7;background:#ecfdf5}.sp-article-col{max-width:700px;min-width:0}.sp-prose{color:#334155;font-size:17.5px;line-height:1.85;letter-spacing:-.1px}.sp-prose>*+*{margin-top:1.4em}.sp-prose h1,.sp-prose h2,.sp-prose h3,.sp-prose h4{color:#0f172a;font-weight:740;line-height:1.3;letter-spacing:-.3px;scroll-margin-top:80px}.sp-prose h1{font-size:2em;margin-top:0;margin-bottom:.7em}.sp-prose h2{font-size:1.5em;margin-top:2.2em;margin-bottom:.6em;padding-bottom:10px;border-bottom:2px solid #eef2ff}.sp-prose h3{font-size:1.2em;margin-top:1.8em;margin-bottom:.4em}.sp-prose p{margin-bottom:1.2em}.sp-prose ul{list-style:none;padding-left:0;margin-bottom:1.2em}.sp-prose ul li{position:relative;padding-left:1.4em;margin-bottom:.5em}.sp-prose ul li:before{content:"";position:absolute;left:0;top:.65em;width:6px;height:6px;background:#a5b4fc;border-radius:50%}.sp-prose ol{padding-left:1.5em;margin-bottom:1.2em}.sp-prose ol li{margin-bottom:.5em}.sp-prose blockquote{border-left:3px solid #6366f1;padding:16px 20px;background:#f8faff;border-radius:0 12px 12px 0;font-style:italic;color:#475569;margin:1.6em 0}.sp-prose img{width:100%;border-radius:12px;margin:2em 0;box-shadow:0 4px 20px #0000000f}.sp-prose code{color:#4f46e5;font-weight:600;font-size:.87em;padding:2px 7px;background:#eef2ff;border-radius:5px;border:1px solid #e0e7ff}.sp-prose pre{overflow-x:auto;background:#1e293b;color:#e2e8f0;padding:1.2em 1.4em;border-radius:12px;margin:1.6em 0;box-shadow:0 4px 16px #0000001f;font-size:.9em;line-height:1.6}.sp-prose pre code{background:transparent;padding:0;font-weight:400;color:inherit;font-size:inherit;border:none}.sp-prose strong{color:#0f172a;font-weight:700}.sp-prose a{color:#4f46e5;text-decoration:underline;text-decoration-color:#c7d2fe;text-underline-offset:3px;font-weight:500;transition:text-decoration-color .2s,color .2s}.sp-prose a:hover{color:#4338ca;text-decoration-color:#4f46e5}.sp-prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.88em;border-radius:12px;overflow:hidden;box-shadow:0 1px 3px #0000000a;border:1px solid #e2e8f0}.sp-prose th,.sp-prose td{padding:10px 16px;text-align:left;border-bottom:1px solid #f1f5f9}.sp-prose th{background:#f8fafc;font-weight:650;color:#1e293b;font-size:.92em;text-transform:uppercase;letter-spacing:.3px}.sp-prose tr:hover td{background:#f8faff}.sp-prose hr{border:none;height:1px;background:linear-gradient(90deg,transparent,#e2e8f0,transparent);margin:2.5em 0}.sp-divider{height:1px;background:linear-gradient(90deg,transparent,#e2e8f0,transparent);margin:48px 0}.sp-bio{display:flex;gap:18px;padding:22px;background:linear-gradient(135deg,#ffffffe6,#f8fafce6);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid rgba(226,232,240,.6);border-radius:14px;box-shadow:0 1px 3px #0000000a;align-items:flex-start}.sp-bio-avatar{width:52px;height:52px;border-radius:12px;background:linear-gradient(135deg,#eef2ff,#e0e7ff);display:flex;align-items:center;justify-content:center;flex-shrink:0}.sp-bio-avatar span{font-size:20px;font-weight:700;color:#6366f1}.sp-bio-header{display:flex;align-items:center;gap:8px;margin-bottom:6px}.sp-bio-header h3{font-size:15px;font-weight:700;color:#0f172a;margin:0}.sp-bio-badge{padding:2px 10px;background:#eef2ff;border-radius:20px;font-size:10px;font-weight:600;color:#6366f1}.sp-bio-body p{font-size:13.5px;color:#64748b;line-height:1.55;margin:0}.sp-mobile-share{display:none;flex-direction:column;align-items:center;gap:12px;margin-top:28px;padding:22px;background:#fff;border-radius:14px;border:1px solid #e2e8f0}.sp-mobile-btns{display:flex;gap:8px}.sp-toc-col{position:sticky;top:100px;display:flex;flex-direction:column;gap:16px}.sp-toc-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:16px;box-shadow:0 1px 3px #0000000a}.sp-toc-title{display:flex;align-items:center;gap:6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.8px;color:#94a3b8;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid #f1f5f9}.sp-toc-nav{display:flex;flex-direction:column;gap:1px}.sp-toc-link{display:block;padding:5px 10px;font-size:12.5px;color:#64748b;text-decoration:none;border-radius:6px;transition:all .15s;line-height:1.4;border-left:2px solid transparent}.sp-toc-link:hover{color:#4f46e5;background:#f8faff;border-left-color:#c7d2fe}.sp-toc-link.active{color:#4f46e5;background:#eef2ff;font-weight:600;border-left-color:#6366f1}.sp-toc-sub{padding-left:22px;font-size:12px}.sp-cta{background:linear-gradient(135deg,#4f46e5,#7c3aed,#6366f1);background-size:200% 200%;animation:sp-cta-shimmer 4s ease-in-out infinite;border-radius:12px;padding:20px;color:#fff;box-shadow:0 8px 24px #4f46e540;transition:box-shadow .3s,transform .3s}.sp-cta:hover{box-shadow:0 12px 32px #4f46e559;transform:translateY(-2px)}@keyframes sp-cta-shimmer{0%,to{background-position:0% 50%}50%{background-position:100% 50%}}.sp-cta-icon{width:40px;height:40px;background:#ffffff26;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:12px}.sp-cta h4{font-size:14px;font-weight:700;margin-bottom:4px}.sp-cta p{font-size:12.5px;color:#fffc;line-height:1.45;margin-bottom:14px}.sp-cta-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:9px;background:#fff;color:#4f46e5;font-size:13px;font-weight:700;border-radius:8px;text-decoration:none;transition:all .2s}.sp-cta-btn:hover{background:#eef2ff;transform:translateY(-1px)}.sp-related{max-width:1240px;margin:56px auto 0;padding:0 24px}.sp-related-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.sp-related-top h2{font-size:20px;font-weight:800;color:#0f172a}.sp-related-all{display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600;color:#6366f1;text-decoration:none;transition:gap .2s}.sp-related-all:hover{gap:8px}.sp-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.sp-related-card{background:#fffc;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid #e2e8f0;border-radius:14px;overflow:hidden;text-decoration:none;color:inherit;transition:all .35s cubic-bezier(.34,1.56,.64,1);box-shadow:0 1px 3px #00000008}.sp-related-card:hover{transform:translateY(-5px) scale(1.01);box-shadow:0 16px 40px #4f46e51a,0 0 0 1px #6366f11a;border-color:#a5b4fc}.sp-related-thumb{position:relative;aspect-ratio:16 / 9;overflow:hidden;background:linear-gradient(135deg,#eef2ff,#e0e7ff,#c7d2fe)}.sp-related-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.sp-related-card:hover .sp-related-thumb img{transform:scale(1.04)}.sp-related-ph{display:flex;align-items:center;justify-content:center;position:absolute;inset:0;color:#a5b4fc}.sp-related-info{padding:16px 18px 18px}.sp-related-cat{display:inline-block;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:#6366f1;margin-bottom:5px}.sp-related-info h3{font-size:15px;font-weight:700;color:#0f172a;line-height:1.35;margin-bottom:5px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s}.sp-related-card:hover .sp-related-info h3{color:#4f46e5}.sp-related-info p{font-size:12.5px;color:#64748b;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:6px}.sp-related-date{font-size:11px;color:#94a3b8}@media(max-width:1024px){.sp-grid{grid-template-columns:1fr;gap:20px}.sp-share-col{display:none}.sp-toc-col{position:static;order:-1;flex-direction:row;gap:12px}.sp-toc-card,.sp-cta{flex:1}.sp-mobile-share{display:flex}.sp-article-col{max-width:100%}.sp-related-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:640px){.sp-hero{padding:56px 0 32px}.sp-meta{flex-direction:column;gap:10px}.sp-bio{flex-direction:column;text-align:center;align-items:center}.sp-bio-header{flex-direction:column;gap:4px}.sp-related-grid{grid-template-columns:1fr}.sp-related-top{flex-direction:column;gap:6px;align-items:flex-start}.sp-toc-col{flex-direction:column}.pros-cons-grid{grid-template-columns:1fr!important}}.sp-prose table{width:100%;border-collapse:separate;border-spacing:0;margin:32px 0;font-size:15px;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px -1px #0000000d,0 2px 4px -2px #0000000d;border:1px solid #e2e8f0}.sp-prose th{background-color:#4f46e5;color:#fff;font-weight:600;text-align:left;padding:16px 20px;letter-spacing:.5px}.sp-prose td{padding:14px 20px;color:#334155;border-bottom:1px solid #e2e8f0}.sp-prose tr:last-child td{border-bottom:none}.sp-prose tr:nth-child(2n) td{background-color:#f8fafc}.sp-prose tr:hover td{background-color:#f1f5f9}.pros-cons-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:36px 0}.pros-card,.cons-card{border-radius:12px;padding:24px;box-shadow:0 4px 12px #00000008;border:1px solid #e2e8f0}.pros-card{background-color:#f0fdf4;border-left:4px solid #22c55e}.cons-card{background-color:#fef2f2;border-left:4px solid #ef4444}.pros-header,.cons-header{margin-top:0!important;margin-bottom:16px!important;font-size:18px!important;font-weight:700!important;display:flex;align-items:center;gap:8px}.pros-header{color:#15803d!important}.cons-header{color:#b91c1c!important}.pros-card ul,.cons-card ul{list-style:none!important;padding:0!important;margin:0!important}.pros-card li,.cons-card li{position:relative;padding-left:28px!important;margin-bottom:10px!important;color:#334155;line-height:1.5}.pros-card li:before{content:"✓";position:absolute;left:4px;color:#16a34a;font-weight:800}.cons-card li:before{content:"✕";position:absolute;left:4px;color:#dc2626;font-weight:800}