*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d1117;--bg-card: #161b22;--bg-card-hover: #1c2330;--border: #30363d;--border-strong: #484f58;--gold: #d4a017;--gold-light: #f0c040;--gold-dim: rgba(212, 160, 23, .12);--gold-border: rgba(212, 160, 23, .3);--green: #22c55e;--green-dim: rgba(34, 197, 94, .1);--red: #ef4444;--red-dim: rgba(239, 68, 68, .1);--text: #e6edf3;--text-muted: #8b949e;--text-dim: #6e7681;--radius: 6px;--radius-lg: 10px;--max-width: 1160px;--header-height: 56px}html{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.6;color:var(--text);background:var(--bg);scroll-behavior:smooth}body{min-height:100vh;display:flex;flex-direction:column;background:var(--bg)}a{color:var(--gold);text-decoration:none}a:hover{color:var(--gold-light)}.container{max-width:var(--max-width);margin:0 auto;padding:0 20px}main{flex:1}.header{position:sticky;top:0;z-index:100;background:#010409;border-bottom:1px solid var(--border);height:var(--header-height)}.header-inner{max-width:var(--max-width);margin:0 auto;padding:0 20px;height:100%;display:flex;align-items:center;gap:32px}.logo a{font-size:1.15rem;font-weight:700;color:var(--text);letter-spacing:-.01em}.logo a span{color:var(--gold)}.nav{display:flex;gap:4px;flex:1}.nav a{color:var(--text-muted);font-size:.875rem;font-weight:500;padding:6px 12px;border-radius:var(--radius);transition:color .15s,background .15s}.nav a:hover,.nav a.active{color:var(--text);background:var(--bg-card)}.hamburger{display:none;background:none;border:none;color:var(--text-muted);font-size:1.3rem;cursor:pointer;margin-left:auto}.mobile-nav{display:none;flex-direction:column;background:#010409;border-bottom:1px solid var(--border);padding:8px 20px 16px}.mobile-nav.open{display:flex}.mobile-nav a{color:var(--text-muted);font-size:.9rem;padding:10px 0;border-bottom:1px solid var(--border)}.mobile-nav 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sup{font-size:.55em;vertical-align:super;color:var(--text-muted);font-weight:500}.price-card-sub{font-size:.78rem;color:var(--text-muted);margin-top:4px}.price-card-change{font-size:.82rem;font-weight:600;margin-top:8px;display:inline-flex;align-items:center;gap:4px}.price-card-change.up{color:var(--green)}.price-card-change.down{color:var(--red)}.live-badge{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--green);margin-bottom:16px}.live-dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 2s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}.update-time{font-size:.72rem;color:var(--text-dim);margin-top:10px}.price-loading{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);animation:shimmer 1.5s ease-in-out infinite}@keyframes shimmer{0%,to{opacity:.6}50%{opacity:1}}.currency-table{width:100%;border-collapse:collapse;font-size:.875rem}.currency-table th{text-align:left;padding:10px 16px;font-size:.7rem;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--text-muted);border-bottom:1px solid var(--border);background:var(--bg)}.currency-table td{padding:12px 16px;border-bottom:1px solid var(--border);color:var(--text)}.currency-table tr:last-child td{border-bottom:none}.currency-table tr:hover td{background:var(--bg-card-hover)}.currency-table .flag{font-size:1.1em;margin-right:6px}.currency-table .mono{font-family:SF Mono,SFMono-Regular,Consolas,monospace}.content-wrap{max-width:var(--max-width);margin:0 auto;padding:0 20px 60px}.section-header{display:flex;align-items:baseline;gap:12px;margin:44px 0 20px}.section-header h2{font-size:1.25rem;font-weight:700;letter-spacing:-.01em;color:var(--text)}.section-line{flex:1;height:1px;background:var(--border)}.card-block{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px 28px;margin-bottom:16px}.prose h2{font-size:1.2rem;font-weight:700;margin:36px 0 12px;color:var(--text)}.prose h3{font-size:1rem;font-weight:600;margin:24px 0 10px;color:var(--text)}.prose p{color:var(--text-muted);margin-bottom:14px;line-height:1.75}.prose ul{color:var(--text-muted);padding-left:20px;margin-bottom:14px}.prose li{margin-bottom:6px;line-height:1.7}.prose strong{color:var(--text)}.prose a{color:var(--gold)}.faq-list{margin-top:8px}.faq-item{border-bottom:1px solid var(--border);padding:16px 0}.faq-item:last-child{border-bottom:none}.faq-q{font-weight:600;color:var(--text);font-size:.95rem;margin-bottom:8px}.faq-a{color:var(--text-muted);font-size:.875rem;line-height:1.7}.cta-box{background:linear-gradient(135deg,rgba(212,160,23,.08) 0%,var(--bg-card) 100%);border:1px solid var(--gold-border);border-radius:var(--radius-lg);padding:28px 32px;text-align:center;margin:36px 0}.cta-box h3{font-size:1.1rem;font-weight:700;color:var(--text);margin-bottom:8px}.cta-box p{color:var(--text-muted);font-size:.875rem;margin-bottom:18px}.btn-primary{display:inline-block;background:var(--gold);color:#0d0d0d;font-weight:700;font-size:.9rem;padding:11px 28px;border-radius:var(--radius);border:none;cursor:pointer;transition:background .15s,transform .1s;text-decoration:none}.btn-primary:hover{background:var(--gold-light);color:#0d0d0d;transform:translateY(-1px)}.stats-bar{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:1px;background:var(--border);border:1px solid 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a{display:block;font-size:.82rem;color:var(--text-muted);margin-bottom:8px;transition:color .15s}.footer-col a:hover{color:var(--text)}.footer-bottom{border-top:1px solid var(--border);padding-top:20px;font-size:.75rem;color:var(--text-dim);line-height:1.6}@media(max-width:640px){.footer-top,.price-grid{grid-template-columns:1fr}}.breadcrumb{font-size:.78rem;color:var(--text-muted);padding:12px 20px;max-width:var(--max-width);margin:0 auto}.breadcrumb a{color:var(--text-muted)}.breadcrumb a:hover{color:var(--gold)}.breadcrumb span{margin:0 6px}.table-wrap{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;margin:16px 0}