:root{--bp-sm:640px;--bp-md:768px;--bp-lg:1024px;--bp-xl:1280px;--bp-2xl:1536px;--site-max-narrow:720px;--site-max-content:1200px;--site-max-wide:1440px;--c-max-width:1200px;--gutter:20px;--section-py:48px;--section-py-tight:32px;--section-py-loose:80px;--type-display:clamp(44px,5.6vw,72px);--type-h1:clamp(36px,4.8vw,56px);--type-h2:clamp(28px,3.6vw,44px);--type-h3:clamp(22px,2.4vw,30px);--type-h4:clamp(18px,1.6vw,22px);--type-body:17px;--type-small:14px;--type-caption:12px;--radius-xs:8px;--radius-sm:12px;--radius-md:16px;--radius-lg:24px;--radius-xl:32px;--radius-pill:999px;--c-brand:#10b981;--c-brand-dark:#059669;--c-brand-light:#d1fae5;--c-brand-tint:#ecfdf5;--c-text-main:#111827;--c-text-muted:#4b5563;--c-text-light:#9ca3af;--c-bg:#ffffff;--c-bg-hover:#f8fafc;--c-border:#e5e7eb;--c-link:#059669;--c-link-hover:#047857;--c-cta-bg:#1D1D1F;--c-cta-hover:#2D2D2F;--c-data-orange:#ff6a00;--c-data-red:#e43225;--c-data-blue:#1677ff;--c-data-amber:#ff9900;--c-data-indigo:#6366f1;--header-height:4rem;--c-font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang 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(min-width:1280px){:root{--gutter:48px;--section-py:80px}}*,*::before,*::after{box-sizing:border-box}*{margin:0}html{overflow-x:hidden}body{font-family:var(--c-font-family);font-size:var(--c-font-size);line-height:var(--c-line-height);color:var(--c-text-main);background-color:var(--c-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;overflow-x:hidden}img{max-width:100%;height:auto;display:block}a{color:inherit;text-decoration:none;background-color:transparent;transition:color 0.24s ease,background-color 0.24s ease,border-color 0.24s ease}button{font-family:inherit;cursor:pointer;border:none;background:none}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid 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auto;max-width:var(--max-width);width:100%;display:flex;align-items:center;justify-content:space-between;height:100%}.header-left{display:flex;align-items:center;gap:32px;height:100%}.header-logo img{flex:none;height:22px;object-fit:contain}.header-tabs{height:100%;display:flex;align-items:center;gap:4px}.header-tabs a{background-color:transparent;border-radius:var(--radius-xs);padding:8px 12px;color:var(--c-text-main);font-size:var(--type-small);font-weight:600;line-height:18px;display:flex;align-items:center;transition:background-color 0.2s;white-space:nowrap}.header-tabs a:hover{background-color:var(--c-bg-hover)}.header-right{display:flex;align-items:center;gap:12px}.header-cta-btn{align-items:center;background-color:var(--c-cta-bg);border:1px solid var(--c-cta-bg);border-radius:var(--radius-pill);box-sizing:border-box;color:#fff;display:flex;font-size:var(--type-small);font-weight:500;height:38px;justify-content:center;line-height:18px;min-width:120px;padding:10px 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(min-width:1025px){.toc-section{position:sticky;top:74px;z-index:10;padding-top:8px;padding-bottom:8px}}@media screen and (max-width:1024px){.toc-inner{padding:14px 20px}}@media screen and (max-width:640px){.toc-section{padding:0 var(--gutter)}.toc-inner{padding:12px 16px;flex-direction:column;align-items:flex-start;gap:12px}.toc-list{flex-wrap:nowrap;overflow-x:auto;width:100%;padding-bottom:4px;-webkit-overflow-scrolling:touch;scrollbar-width:none}.toc-list::-webkit-scrollbar{display:none}.toc-list li a{font-size:12px;padding:5px 12px}}.market-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.market-stat-item{text-align:center;padding:20px 12px;background:var(--c-brand-tint);border:1px solid var(--c-brand-light);border-radius:var(--radius-sm)}.market-stat-item .stat-value{font-size:28px;font-weight:800;color:var(--c-brand);margin-bottom:4px;letter-spacing:-0.5px}.market-stat-item 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12px}.prb-track{position:absolute;left:0;right:0;top:50%;height:4px;margin-top:-2px;background:var(--c-border);border-radius:2px}.prb-iqr{position:absolute;top:50%;height:10px;margin-top:-5px;background:rgba(16,185,129,0.55);border-radius:4px}.prb-median{position:absolute;top:50%;width:4px;height:18px;margin-top:-9px;margin-left:-2px;background:var(--c-data-indigo);border-radius:2px;box-shadow:0 0 0 2px rgba(99,102,241,0.15)}.price-range-legend{display:flex;gap:18px;flex-wrap:wrap;font-size:12px;color:var(--c-text-muted)}.price-range-legend .prb-dot{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:middle}.price-range-legend .prb-dot-iqr{background:rgba(16,185,129,0.55)}.price-range-legend .prb-dot-median{background:var(--c-data-indigo)}.price-tiers-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:32px}.price-tier-card{background:var(--c-bg);border:1px solid 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