:root{--bg-primary:#0a121a;--bg-secondary:#111f2e;--bg-card:rgba(255,255,255,0.04);--bg-card-hover:rgba(255,255,255,0.08);--border-card:rgba(255,255,255,0.06);--text-primary:#e8edf4;--text-secondary:#b0c4d8;--text-muted:#5a7a8a;--accent-1:#4f7cff;--accent-2:#f0b429;--accent-3:#64b5f6;--gradient-main:linear-gradient(135deg,#4f7cff,#64b5f6);--gradient-glow:radial-gradient(ellipse at 30% 20%,rgba(79,124,255,0.08),transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(240,180,41,0.06),transparent 50%);--radius-card:20px;--radius-sm:10px;--shadow-card:0 20px 60px rgba(0,0,0,0.5);--font-sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;--transition-smooth:cubic-bezier(0.25,0.46,0.45,0.94);font-family:var(--font-sans);background:var(--bg-primary);color:var(--text-primary);line-height:1.7;-webkit-font-smoothing:antialiased;--secondary:#4f46e5;--light:#f8fafc;--dark:#0f172a;--gray:#64748b;--success:#10b981;--border:#e2e8f0;--shadow:0 4px 6px rgba(0,0,0,0.1)}.article-container{position:relative;background:#0a121a;min-height:100vh;overflow:hidden}.article-container .bg-glow{position:fixed;inset:0;pointer-events:none;z-index:0;background:radial-gradient(ellipse at 30% 20%,rgba(79,124,255,0.08),transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(240,180,41,0.06),transparent 50%);animation:glowPulse 14s ease-in-out infinite alternate}@keyframes glowPulse{0%{opacity:.5;transform:scale(1)}100%{opacity:1;transform:scale(1.06)}}.article-container .container{position:relative;z-index:1;max-width:1060px;margin:0 auto;padding:0 28px}.article-container .top-progress{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(10,18,26,0.82);backdrop-filter:blur(18px) saturate(1.4);border-bottom:1px solid rgba(255,255,255,0.04);padding:12px 28px;display:flex;align-items:center;justify-content:space-between;transition:transform .3s cubic-bezier(0.25,0.46,0.45,0.94)}.article-container .top-progress.hidden{transform:translateY(-100%)}.article-container .top-progress .label{font-size:13px;font-weight:600;color:#b0c4d8;letter-spacing:.3px}.article-container .top-progress .label span{color:#f0b429;font-weight:700}.article-container .top-progress .progress-track{flex:1;margin:0 24px;height:4px;background:rgba(255,255,255,0.08);border-radius:10px;overflow:hidden;max-width:400px}.article-container .top-progress .progress-track .bar{height:100%;width:0;background:linear-gradient(135deg,#4f7cff,#64b5f6);border-radius:10px;transition:width .2s ease}.article-container .top-progress .chapter-idx{font-size:13px;font-weight:500;color:#5a7a8a;font-variant-numeric:tabular-nums;min-width:80px;text-align:right}.article-container .hero{padding:140px 0 70px;position:relative;text-align:center}.article-container .hero .badge{display:inline-block;background:rgba(79,124,255,0.12);border:1px solid rgba(79,124,255,0.20);color:#4f7cff;font-size:13px;font-weight:600;letter-spacing:.8px;padding:6px 20px;border-radius:100px;text-transform:uppercase;margin-bottom:24px}.article-container .hero h1{font-size:clamp(2.4rem,5.5vw,4rem);font-weight:800;line-height:1.15;letter-spacing:-0.02em;background:linear-gradient(135deg,#fff 40%,#8ab4f0 80%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:20px}.article-container .hero .sub{font-size:clamp(1.05rem,1.6vw,1.3rem);color:#b0c4d8;max-width:720px;margin:0 auto 16px;font-weight:400;line-height:1.7}.article-container .hero .meta{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:28px;font-size:14px;color:#5a7a8a}.article-container .hero .meta span{display:flex;align-items:center;gap:8px}.article-container .hero .meta .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:#f0b429;animation:dotPulse 2s ease-in-out infinite}@keyframes dotPulse{0%,100%{opacity:.3;transform:scale(0.8)}50%{opacity:1;transform:scale(1.2)}}.article-container .breadcrumb-nav{padding:12px 0 24px;border-bottom:1px solid rgba(255,255,255,0.04);margin-bottom:20px}.article-container .breadcrumb-nav .breadcrumb-inner{font-size:14px;color:#5a7a8a}.article-container .breadcrumb-nav .breadcrumb-link{color:#5a7a8a;text-decoration:none;transition:color .3s}.article-container .breadcrumb-nav .breadcrumb-link:hover{color:#4f7cff}.article-container .breadcrumb-nav .breadcrumb-separator{margin:0 10px;color:#3a4a5e}.article-container .breadcrumb-nav .breadcrumb-current{color:#b0c4d8}.article-container section{padding:56px 0 20px;opacity:0;transform:translateY(48px);transition:opacity .8s cubic-bezier(0.25,0.46,0.45,0.94),transform .8s cubic-bezier(0.25,0.46,0.45,0.94)}.article-container section.visible{opacity:1;transform:translateY(0)}.article-container .section-number{display:inline-block;font-size:20px;font-weight:700;color:#4f7cff;letter-spacing:1px;text-transform:uppercase;background:rgba(79,124,255,0.08);padding:4px 16px;border-radius:100px;border:1px solid rgba(79,124,255,0.12);margin-bottom:16px}.article-container h2{font-size:clamp(1.8rem,3.2vw,2.6rem);font-weight:700;letter-spacing:-0.01em;line-height:1.25;margin-bottom:16px;background:linear-gradient(135deg,#fff 50%,#8ab4f0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container h2 .highlight{background:linear-gradient(135deg,#f0b429,#64b5f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container h3{font-size:1.2rem;font-weight:600;color:#e0eaf0;margin:28px 0 12px;letter-spacing:-0.01em}.article-container h3 i{color:#4f7cff;margin-right:8px}.article-container p{color:#b0c4d8;margin-bottom:16px;font-size:1.05rem}.article-container p strong{color:#e0eaf0;font-weight:600}.article-container a{color:#4f7cff;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .3s,color .3s}.article-container a:hover{border-bottom-color:#4f7cff;color:#7a9cff}.article-container .card{background:rgba(255,255,255,0.04);backdrop-filter:blur(4px);border:1px solid rgba(255,255,255,0.06);border-radius:20px;padding:28px 32px;margin:24px 0;box-shadow:0 20px 60px rgba(0,0,0,0.5);transition:background .3s ease,transform .3s ease,box-shadow .3s ease}.article-container .card:hover{background:rgba(255,255,255,0.08);transform:translateY(-2px);box-shadow:0 24px 72px rgba(0,0,0,0.6)}.article-container .card .label{font-size:16px;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#f0b429;margin-bottom:8px;display:block}.article-container .card .label i{margin-right:6px}.article-container .card ul{color:#b0c4d8;font-size:.95rem;padding-left:20px;margin:4px 0 0}.article-container .card ul li{margin-bottom:4px}.article-container .card ul li strong{color:#e0eaf0}.article-container .stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:20px 0 8px}.article-container .stat-item{background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.05);border-radius:10px;padding:18px 14px;text-align:center;transition:background .3s ease,transform .3s ease}.article-container .stat-item:hover{background:rgba(79,124,255,0.06);transform:scale(1.02)}.article-container .stat-item .number{font-size:2rem;font-weight:700;background:linear-gradient(135deg,#4f7cff,#64b5f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;font-variant-numeric:tabular-nums}.article-container .stat-item .desc{font-size:13px;color:#5a7a8a;margin-top:4px}.article-container .pull-quote{border-left:4px solid #f0b429;padding:16px 24px;margin:24px 0;background:rgba(240,180,41,0.05);border-radius:0 10px 10px 0;font-size:1.05rem;color:#d6dce8;font-weight:500}.article-container .pull-quote strong{color:#fff}.article-container .figure{margin:28px 0 22px;border-radius:10px;overflow:hidden;background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.06);position:relative}.article-container .figure .caption{padding:10px 18px;font-size:.9rem;color:#5a7a8a;background:rgba(255,255,255,0.02);border-top:1px solid rgba(255,255,255,0.04);text-align:center;font-family:'Inter',sans-serif}.article-container .figure .placeholder{aspect-ratio:16 / 9;background:rgba(255,255,255,0.02);display:flex;align-items:center;justify-content:center;flex-direction:column;color:#5a7a8a;font-size:.95rem;padding:20px;text-align:center;gap:6px;min-height:160px}.article-container .figure .placeholder .big-icon{font-size:2.4rem;color:#4f7cff;opacity:.4}.article-container .figure .placeholder .strong{font-weight:600;color:#b0c4d8}.article-container .figure .placeholder .hint{font-size:.8rem;opacity:.5}.article-container .figure .placeholder .tag{display:inline-block;background:rgba(79,124,255,0.10);color:#4f7cff;font-size:11px;padding:2px 12px;border-radius:30px;margin-top:4px}.article-container .figure img{width:100%;display:block}.article-container .module-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:16px 0 24px}.article-container .module-grid .module-item{background:rgba(255,255,255,0.03);border-radius:10px;padding:16px 18px;border:1px solid rgba(255,255,255,0.06);transition:background .3s ease,transform .3s ease}.article-container .module-grid .module-item:hover{background:rgba(79,124,255,0.05);transform:translateY(-2px)}.article-container .module-grid .module-item .icon{font-size:1.4rem;color:#4f7cff;margin-bottom:6px;display:inline-block}.article-container .module-grid .module-item h4{font-size:1rem;font-weight:600;color:#e8edf4;margin-bottom:4px}.article-container .module-grid .module-item p{font-size:.9rem;color:#b0c4d8;margin-bottom:0;max-width:100%}@media(max-width:640px){.article-container .module-grid{grid-template-columns:1fr}}.article-container .compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:rgba(255,255,255,0.04);border-radius:10px;overflow:hidden;margin:16px 0 24px;border:1px solid rgba(255,255,255,0.06)}.article-container .compare-grid .cell{padding:12px 18px;background:rgba(255,255,255,0.02)}.article-container .compare-grid .cell.header{font-weight:600;color:#e8edf4;background:rgba(79,124,255,0.06)}.article-container .compare-grid .cell .check{color:#4f7cff;margin-right:6px}.article-container .compare-grid .cell .cross{color:#5a7a8a;margin-right:6px}@media(max-width:768px){.article-container .compare-grid{grid-template-columns:1fr}}.article-container .faq-item{background:rgba(255,255,255,0.02);border-radius:10px;margin-bottom:12px;border:1px solid rgba(255,255,255,0.06);overflow:hidden;transition:border-color .3s}.article-container .faq-item:hover{border-color:rgba(79,124,255,0.15)}.article-container .faq-item .faq-q{padding:14px 20px;font-weight:600;color:#e8edf4;cursor:pointer;display:flex;justify-content:space-between;align-items:center;user-select:none;transition:background .2s}.article-container .faq-item .faq-q:hover{background:rgba(79,124,255,0.04)}.article-container .faq-item .faq-q i{color:#4f7cff;transition:transform .3s ease;font-size:14px;flex-shrink:0;margin-left:12px}.article-container .faq-item .faq-q.open i{transform:rotate(180deg)}.article-container .faq-item .faq-a{padding:0 20px;color:#b0c4d8;font-size:.98rem;max-height:0;overflow:hidden;transition:max-height .4s cubic-bezier(0.4,0,0.2,1),padding .3s cubic-bezier(0.4,0,0.2,1)}.article-container .faq-item .faq-a.open{max-height:500px;padding:0 20px 16px}.article-container .next-ep{margin:50px 0 30px;padding:32px 36px;background:linear-gradient(135deg,rgba(79,124,255,0.06),rgba(100,181,246,0.06));border:1px solid rgba(79,124,255,0.12);border-radius:20px;text-align:center}.article-container .next-ep h3{margin-top:0;font-size:1.3rem;background:linear-gradient(135deg,#4f7cff,#64b5f6);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container .next-ep p{max-width:600px;margin:6px auto 0;color:#5a7a8a}.article-container .next-ep ul{list-style:none;padding:0;margin:12px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px 20px}.article-container .next-ep ul li{font-size:.95rem;color:#b0c4d8}.article-container .next-ep ul li a{color:#4f7cff;text-decoration:none;border-bottom:1px solid transparent;transition:border-color .3s}.article-container .next-ep ul li a:hover{border-bottom-color:#4f7cff}.article-container .footer{text-align:center;padding:36px 0 28px;border-top:1px solid rgba(255,255,255,0.03);margin-top:20px;color:#5a7a8a;font-size:14px}.article-container .footer p{max-width:100%}@media(max-width:768px){.article-container .container{padding:0 16px}.article-container .hero{padding:120px 0 50px}.article-container .card{padding:20px 18px}.article-container .top-progress{padding:10px 16px;flex-wrap:wrap;gap:6px}.article-container .top-progress .label{font-size:12px}.article-container .top-progress .progress-track{order:3;flex:1 1 100%;margin:4px 0 0;max-width:none}.article-container .top-progress .chapter-idx{font-size:12px;min-width:60px}.article-container .stats-grid{grid-template-columns:1fr 1fr}.article-container section{padding:36px 0 10px}.article-container .next-ep{padding:24px 18px}.article-container .figure .placeholder{min-height:120px;padding:14px}.article-container .figure img[style*="height:400px"]{height:auto !important;width:100% !important}.article-container .figure img[style*="width:400px"]{width:100% !important}}@media(max-width:480px){.article-container .hero h1{font-size:1.9rem}.article-container .stats-grid{grid-template-columns:1fr}.article-container .hero .meta{flex-direction:column;align-items:center;gap:6px}.article-container .pull-quote{padding:12px 16px;font-size:.95rem}.article-container .figure .placeholder{min-height:100px;padding:12px}.article-container .module-grid .module-item{padding:12px 14px}}.fade-up{opacity:0;transform:translateY(32px);transition:opacity .7s cubic-bezier(0.25,0.46,0.45,0.94),transform .7s cubic-bezier(0.25,0.46,0.45,0.94)}.fade-up.visible{opacity:1;transform:translateY(0)}