.article-container *{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary:#0c0a09;--bg-secondary:#14110f;--bg-card:rgba(245,158,11,0.03);--bg-card-hover:rgba(245,158,11,0.07);--border-card:rgba(245,158,11,0.12);--border-strong:rgba(245,158,11,0.28);--text-primary:#fafaf9;--text-secondary:#d6d3d1;--text-muted:#a8a29e;--text-faint:#78716c;--accent-1:#f59e0b;--accent-2:#fbbf24;--accent-3:#14b8a6;--accent-teal:#14b8a6;--accent-teal-light:#2dd4bf;--accent-rose:#f43f5e;--accent-rose-light:#fb7185;--gradient-main:linear-gradient(135deg,#f59e0b,#fbbf24);--gradient-warm:linear-gradient(135deg,#f59e0b,#f43f5e);--gradient-mix:linear-gradient(135deg,#f59e0b,#14b8a6);--gradient-glow:radial-gradient(ellipse at 15% 10%,rgba(245,158,11,0.10),transparent 60%),radial-gradient(ellipse at 85% 85%,rgba(20,184,166,0.08),transparent 60%);--radius-lg:20px;--radius-md:12px;--radius-sm:8px;--shadow-card:0 20px 50px rgba(0,0,0,0.6);--shadow-warm:0 8px 32px rgba(245,158,11,0.15);--font-serif:'Playfair Display','Noto Serif SC',Georgia,serif;--font-sans:'Noto Sans SC',-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;--font-mono:'JetBrains Mono','Fira Code',monospace;--transition-smooth:cubic-bezier(0.25,0.46,0.45,0.94);position:relative;background:var(--bg-primary);color:var(--text-primary);line-height:1.8;font-family:var(--font-sans);font-size:16px;-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:20px;--secondary:#4f46e5;--light:#f8fafc;--dark:#0f172a;--gray:#64748b;--success:#10b981;--border:#e2e8f0;--shadow:0 4px 6px rgba(0,0,0,0.1)}.article-container .bg-glow{position:fixed;inset:0;pointer-events:none;z-index:0;background:var(--gradient-glow);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:1080px;margin:0 auto;padding:0 28px}.article-container ::-webkit-scrollbar{width:6px}.article-container ::-webkit-scrollbar-track{background:var(--bg-primary)}.article-container ::-webkit-scrollbar-thumb{background:var(--accent-1);border-radius:10px}.article-container ::-webkit-scrollbar-thumb:hover{background:var(--accent-2)}.article-container a.inline-link{color:var(--accent-2);text-decoration:none;border-bottom:1px solid rgba(245,158,11,0.3);transition:border-color .25s ease,color .25s ease;font-weight:500}.article-container a.inline-link:hover{color:#fcd34d;border-bottom-color:#fcd34d}.article-container .top-progress{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(12,10,9,0.78);backdrop-filter:blur(20px) saturate(1.5);-webkit-backdrop-filter:blur(20px) saturate(1.5);border-bottom:1px solid rgba(245,158,11,0.15);padding:13px 28px;display:flex;align-items:center;justify-content:space-between;transition:transform .35s var(--transition-smooth)}.article-container .top-progress.hidden{transform:translateY(-100%)}.article-container .top-progress .live-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent-1);margin-right:8px;box-shadow:0 0 0 0 rgba(245,158,11,0.6);animation:livePulse 1.8s ease-in-out infinite;vertical-align:middle}@keyframes livePulse{0%{box-shadow:0 0 0 0 rgba(245,158,11,0.6)}70%{box-shadow:0 0 0 10px rgba(245,158,11,0)}100%{box-shadow:0 0 0 0 rgba(245,158,11,0)}}.article-container .top-progress .label{font-size:13px;font-weight:600;color:#fff;letter-spacing:.3px;white-space:nowrap}.article-container .top-progress .label span{color:var(--accent-1);font-weight:700}.article-container .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 .progress-track .bar{height:100%;width:0;background:var(--gradient-warm);border-radius:10px;transition:width .2s ease}.article-container .top-progress .chapter-idx{font-size:13px;font-weight:500;color:#fff;opacity:.75;font-variant-numeric:tabular-nums;min-width:80px;text-align:right;white-space:nowrap}.article-container .hero{padding:150px 0 60px;position:relative;text-align:center}.article-container .hero .badge{display:inline-flex;align-items:center;gap:8px;background:rgba(245,158,11,0.10);border:1px solid rgba(245,158,11,0.30);color:var(--accent-2);font-size:13px;font-weight:600;letter-spacing:1px;padding:7px 20px;border-radius:100px;text-transform:uppercase;margin-bottom:26px}.article-container .hero h1{font-family:var(--font-serif);font-size:clamp(2rem,4.6vw,3.2rem);font-weight:700;line-height:1.22;letter-spacing:-0.015em;background:linear-gradient(135deg,#fff 30%,#fbbf24 75%,#f43f5e 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:24px}.article-container .hero h1 .highlight{background:linear-gradient(135deg,var(--accent-1),var(--accent-teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container .hero .sub{font-size:clamp(1.02rem,1.5vw,1.18rem);color:var(--text-secondary);max-width:760px;margin:0 auto 16px;font-weight:400;line-height:1.85}.article-container .hero .meta{display:flex;justify-content:center;gap:28px;flex-wrap:wrap;margin-top:30px;font-size:14px;color:var(--text-muted)}.article-container .hero .meta span{display:flex;align-items:center;gap:8px}.article-container .hero .meta i{color:var(--accent-teal)}.article-container .hero .meta .dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--accent-teal);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 section{padding:54px 0 18px;opacity:0;transform:translateY(44px);transition:opacity .8s var(--transition-smooth),transform .8s var(--transition-smooth)}.article-container section.visible{opacity:1;transform:translateY(0)}.article-container .section-number{display:inline-block;font-size:12.5px;font-weight:700;color:var(--accent-1);letter-spacing:1.8px;text-transform:uppercase;background:rgba(245,158,11,0.08);padding:5px 16px;border-radius:6px;border:1px solid rgba(245,158,11,0.20);margin-bottom:20px;font-family:var(--font-mono)}.article-container h2{font-family:var(--font-serif);font-size:clamp(1.6rem,3vw,2.4rem);font-weight:700;letter-spacing:-0.01em;line-height:1.3;margin-bottom:20px;background:linear-gradient(135deg,#fff 40%,#fcd34d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container h2 .highlight{background:linear-gradient(135deg,var(--accent-1),var(--accent-teal));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.article-container h3{font-size:1.18rem;font-weight:600;color:#f5f5f4;margin:34px 0 14px;letter-spacing:-0.005em}.article-container h3 i{color:var(--accent-1);margin-right:10px}.article-container h4{font-size:1.02rem;font-weight:600;color:#f5f5f4;margin:22px 0 10px}.article-container p{color:var(--text-secondary);margin-bottom:16px;font-size:1.05rem;max-width:76ch}.article-container p strong{color:#f5f5f4;font-weight:600}.article-container ul.body-list{color:var(--text-secondary);padding-left:22px;margin-bottom:18px;max-width:76ch}.article-container ul.body-list li{margin-bottom:10px;font-size:1.02rem}.article-container ul.body-list li strong{color:#f5f5f4}.article-container ol.body-list{color:var(--text-secondary);padding-left:24px;margin-bottom:18px;max-width:76ch}.article-container ol.body-list li{margin-bottom:10px;font-size:1.02rem}.article-container ol.body-list li strong{color:#f5f5f4}.article-container .card{position:relative;background:var(--bg-card);border:1px solid var(--border-card);border-radius:var(--radius-lg);padding:28px 32px;margin:24px 0;box-shadow:var(--shadow-card);transition:background .3s ease,border-color .3s ease;overflow:hidden}.article-container .card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--gradient-warm);opacity:.6}.article-container .card:hover{background:var(--bg-card-hover);border-color:var(--border-strong)}.article-container .card .label{font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--accent-1);margin-bottom:12px;display:block;font-family:var(--font-mono)}.article-container .card .label i{margin-right:6px}.article-container .mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin:26px 0 14px}@media(max-width:820px){.article-container .mode-grid{grid-template-columns:1fr}}.article-container .mode-card{background:rgba(245,158,11,0.03);border:1px solid rgba(245,158,11,0.12);border-radius:var(--radius-md);padding:24px 22px;position:relative;overflow:hidden;transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease}.article-container .mode-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-warm);border-color:rgba(245,158,11,0.30)}.article-container .mode-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px}.article-container .mode-card.mode-meeting::before{background:var(--accent-teal)}.article-container .mode-card.mode-federated::before{background:var(--accent-1)}.article-container .mode-card.mode-centralized::before{background:var(--accent-rose)}.article-container .mode-card .mode-badge{display:inline-block;font-size:11px;font-weight:700;padding:4px 12px;border-radius:4px;letter-spacing:.6px;margin-bottom:14px}.article-container .mode-card.mode-meeting .mode-badge{background:rgba(20,184,166,0.15);color:var(--accent-teal-light)}.article-container .mode-card.mode-federated .mode-badge{background:rgba(245,158,11,0.15);color:var(--accent-2)}.article-container .mode-card.mode-centralized .mode-badge{background:rgba(244,63,94,0.15);color:var(--accent-rose-light)}.article-container .mode-card .mode-name{font-family:var(--font-serif);font-size:1.25rem;font-weight:700;color:#fff;margin-bottom:6px}.article-container .mode-card .mode-sub{font-size:13px;color:var(--text-muted);margin-bottom:16px;padding-bottom:14px;border-bottom:1px dashed rgba(245,158,11,0.15)}.article-container .mode-card .mode-row{font-size:13.5px;color:var(--text-secondary);line-height:1.75;padding:4px 0}.article-container .mode-card .mode-row .k{font-weight:600;color:var(--accent-2);margin-right:6px}.article-container .mode-card .mode-row code{background:rgba(245,158,11,0.08);color:var(--accent-2);padding:1px 6px;border-radius:3px;font-family:var(--font-mono);font-size:12px}.article-container .table-wrap{overflow-x:auto;margin:20px 0 10px;border-radius:var(--radius-md);border:1px solid rgba(245,158,11,0.12)}.article-container table{width:100%;border-collapse:collapse;font-size:.95rem;min-width:560px}.article-container thead{background:rgba(245,158,11,0.07);border-bottom:1px solid rgba(245,158,11,0.15)}.article-container th{text-align:left;padding:14px 18px;font-weight:700;color:#fcd34d;font-size:.82rem;text-transform:uppercase;letter-spacing:.6px}.article-container td{padding:14px 18px;border-bottom:1px solid rgba(255,255,255,0.04);color:var(--text-secondary)}.article-container tr:last-child td{border-bottom:0}.article-container tr:hover td{background:rgba(245,158,11,0.03)}.article-container td strong{color:#f5f5f4}.article-container td .yes{color:var(--accent-teal-light);font-weight:700}.article-container td .no{color:var(--text-faint);font-weight:700}.article-container td code{background:rgba(245,158,11,0.08);color:var(--accent-2);padding:1px 6px;border-radius:3px;font-family:var(--font-mono);font-size:12px}.article-container .pull-quote{border-left:3px solid var(--accent-1);padding:18px 26px;margin:28px 0;background:rgba(245,158,11,0.05);border-radius:0 var(--radius-md) var(--radius-md) 0;font-size:1.05rem;color:#e7e5e4;font-weight:500}.article-container .pull-quote strong{color:#fff}.article-container .pull-quote.teal{border-left-color:var(--accent-teal);background:rgba(20,184,166,0.06)}.article-container .pull-quote.warn{border-left-color:var(--accent-rose);background:rgba(244,63,94,0.05)}.article-container .chart-container{background:rgba(245,158,11,0.02);border:1px solid rgba(245,158,11,0.10);border-radius:var(--radius-lg);padding:28px 22px 20px;margin:34px 0 26px;text-align:center;box-shadow:var(--shadow-card)}.article-container .chart-container canvas{max-width:100%;height:auto;display:block;margin:0 auto}.article-container .chart-note{font-size:.85rem;color:var(--text-muted);margin-top:16px;text-align:center;border-top:1px solid rgba(245,158,11,0.08);padding-top:14px;font-style:italic}.article-container .org-tree{display:flex;flex-direction:column;align-items:center;gap:0;margin:28px 0 16px;padding:24px 16px;background:rgba(245,158,11,0.025);border:1px solid rgba(245,158,11,0.10);border-radius:var(--radius-lg)}.article-container .org-node{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:var(--radius-sm);font-size:14px;font-weight:600;background:rgba(245,158,11,0.10);border:1.5px solid rgba(245,158,11,0.35);color:var(--accent-2)}.article-container .org-node.root{background:linear-gradient(135deg,rgba(245,158,11,0.15),rgba(245,158,11,0.08));font-size:15px;padding:14px 28px}.article-container .org-connector{width:2px;height:22px;background:rgba(245,158,11,0.25)}.article-container .org-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;margin-top:22px}.article-container .org-branch{display:flex;flex-direction:column;align-items:center;gap:0}.article-container .org-branch .org-node.child{background:rgba(20,184,166,0.10);border-color:rgba(20,184,166,0.35);color:var(--accent-teal-light)}.article-container .org-branch .org-node.third{background:rgba(244,63,94,0.10);border-color:rgba(244,63,94,0.30);color:var(--accent-rose-light);font-size:13px;padding:9px 16px}.article-container .org-sub-row{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;justify-content:center}.article-container .flow-list{display:flex;flex-direction:column;gap:14px;margin:22px 0}.article-container .flow-item{display:flex;align-items:flex-start;gap:16px;background:rgba(245,158,11,0.025);border:1px solid rgba(245,158,11,0.08);border-radius:var(--radius-md);padding:18px 22px;transition:transform .3s ease,border-color .3s ease}.article-container .flow-item:hover{transform:translateX(4px);border-color:rgba(245,158,11,0.22)}.article-container .flow-item .flow-num{flex-shrink:0;width:32px;height:32px;border-radius:8px;background:var(--gradient-warm);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;font-family:var(--font-mono)}.article-container .flow-item .flow-body{flex:1}.article-container .flow-item .flow-title{font-weight:700;color:#f5f5f4;margin-bottom:4px;font-size:1rem}.article-container .flow-item .flow-desc{font-size:14px;color:var(--text-secondary);line-height:1.7}.article-container .faq-item{background:rgba(245,158,11,0.025);border:1px solid rgba(245,158,11,0.10);border-radius:var(--radius-md);padding:22px 26px;margin-bottom:12px;transition:border-color .3s ease}.article-container .faq-item:hover{border-color:rgba(245,158,11,0.25)}.article-container .faq-item .q{font-weight:700;color:#fcd34d;margin-bottom:10px;font-size:1.02rem;display:flex;align-items:flex-start;gap:10px}.article-container .faq-item .q i{flex-shrink:0;margin-top:3px;color:var(--accent-1)}.article-container .faq-item .a{font-size:.98rem;color:var(--text-secondary);line-height:1.85;padding-left:26px}.article-container .faq-item .a strong{color:#f5f5f4}.article-container .cta-section{margin:44px 0 24px;padding:36px 40px;background:linear-gradient(135deg,rgba(245,158,11,0.08),rgba(20,184,166,0.06));border:1px solid rgba(245,158,11,0.20);border-radius:var(--radius-lg);text-align:center;box-shadow:var(--shadow-warm)}.article-container .cta-section h3{font-family:var(--font-serif);margin-top:0;font-size:1.4rem;color:#fff}.article-container .cta-section p{max-width:640px;margin:10px auto 22px;color:var(--text-secondary);font-size:1rem}.article-container .cta-section .cta-btn{display:inline-block;background:var(--gradient-warm);color:#fff;padding:14px 44px;border-radius:60px;font-weight:600;font-size:1rem;text-decoration:none;border:0;transition:all .3s ease;box-shadow:0 4px 24px rgba(245,158,11,0.35)}.article-container .cta-section .cta-btn:hover{transform:translateY(-2px);box-shadow:0 8px 36px rgba(245,158,11,0.5)}.article-container .contact-chip{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:40px;font-size:1rem;color:#e7e5e4}.article-container .contact-chip.gold{background:rgba(245,158,11,0.10);border:1px solid rgba(245,158,11,0.30)}.article-container .contact-chip.teal{background:rgba(20,184,166,0.10);border:1px solid rgba(20,184,166,0.28)}.article-container .contact-chip i{color:var(--accent-1)}.article-container .contact-chip.teal i{color:var(--accent-teal)}.article-container .related-links{margin:34px 0 18px;padding:26px 30px;background:rgba(245,158,11,0.02);border:1px solid rgba(245,158,11,0.10);border-radius:var(--radius-md)}.article-container .related-links h4{color:#f5f5f4;font-size:1rem;margin-bottom:14px;display:flex;align-items:center;gap:10px}.article-container .related-links h4 i{color:var(--accent-1)}.article-container .related-links ul{list-style:none;padding:0;display:flex;flex-direction:column;gap:8px}.article-container .related-links ul li{font-size:.98rem}.article-container .related-links ul li a{color:var(--accent-2);border-bottom:1px solid transparent;transition:border-color .25s;text-decoration:none}.article-container .related-links ul li a:hover{border-bottom-color:var(--accent-2)}.article-container .footer{text-align:center;padding:40px 0 32px;border-top:1px solid rgba(245,158,11,0.08);margin-top:24px;color:var(--text-muted);font-size:14px}.article-container .badge-sm{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;font-weight:600;letter-spacing:.3px;padding:6px 14px;border-radius:40px;background:rgba(245,158,11,0.10);color:var(--accent-2);border:1px solid rgba(245,158,11,0.22)}.article-container .badge-sm.teal{background:rgba(20,184,166,0.10);color:var(--accent-teal-light);border-color:rgba(20,184,166,0.22)}.article-container .badge-sm.rose{background:rgba(244,63,94,0.10);color:var(--accent-rose-light);border-color:rgba(244,63,94,0.22)}.article-container .fade-up{opacity:0;transform:translateY(32px);transition:opacity .7s var(--transition-smooth),transform .7s var(--transition-smooth)}.article-container .fade-up.visible{opacity:1;transform:translateY(0)}@media(max-width:768px){.article-container .container{padding:0 16px}.article-container .hero{padding:124px 0 44px}.article-container .card{padding:22px 20px}.article-container .top-progress{padding:11px 16px;flex-wrap:wrap;gap:6px}.article-container .top-progress .label{font-size:12px}.article-container .progress-track{order:3;flex:1 1 100%;margin:5px 0 0;max-width:none}.article-container .top-progress .chapter-idx{font-size:12px;min-width:60px}.article-container section{padding:36px 0 10px}.article-container .cta-section{padding:26px 18px}.article-container .related-links{padding:18px 20px}.article-container .chart-container{padding:18px 12px 16px}.article-container table{font-size:.82rem;min-width:520px}.article-container th,.article-container td{padding:9px 12px}.article-container .faq-item{padding:18px 20px}.article-container .faq-item .a{padding-left:0}}@media(max-width:480px){.article-container .hero h1{font-size:1.7rem}.article-container .hero .meta{flex-direction:column;align-items:center;gap:6px}.article-container .pull-quote{padding:14px 18px;font-size:.98rem}.article-container .mode-grid{gap:12px}.article-container .flow-item{padding:14px 16px}}