.ch-hero{background:linear-gradient(#0f1827 0%,#17233c 100%);width:100%}.ch-hero-inner{max-width:820px;margin:0 auto;padding:36px 24px}.ch-eyebrow{letter-spacing:.09em;text-transform:uppercase;color:#ffffff73;margin:0 0 6px;font-size:11px;font-weight:600}.ch-eyebrow a{color:#ffffff73;text-decoration:none}.ch-eyebrow a:hover{color:#ffffffb3}.ch-number{font-family:var(--font-ibm-plex-mono);color:var(--teal-soft,#7fc9bf);margin:0 0 6px;font-size:13px;font-weight:600}.ch-hero h1{font-family:var(--font-serif);letter-spacing:-.025em;color:#fffffff5;margin:0 0 16px;font-size:34px;font-weight:700;line-height:1.15}.ch-oneliner{font-family:var(--font-serif);color:#ffffffa6;max-width:660px;margin:0;font-size:17px;line-height:1.6}.ch-breadcrumb{background:var(--paper-bg,#f2f1ee);border-bottom:1px solid var(--hairline)}.ch-breadcrumb-inner{justify-content:space-between;align-items:center;gap:12px;max-width:820px;margin:0 auto;padding:12px 24px;display:flex}.ch-breadcrumb-trail{font-family:var(--font-sans);color:var(--muted-tx);align-items:center;gap:6px;min-width:0;font-size:12px;display:flex}.ch-breadcrumb-trail a{color:var(--teal);white-space:nowrap;font-weight:500;text-decoration:none}.ch-breadcrumb-trail a:hover{text-decoration:underline}.ch-breadcrumb-sep{color:var(--muted-tx);opacity:.5;flex-shrink:0}.ch-breadcrumb-current{color:var(--ink-2);text-overflow:ellipsis;white-space:nowrap;font-weight:600;overflow:hidden}.ch-breadcrumb-pos{font-family:var(--font-ibm-plex-mono);color:var(--muted-tx);white-space:nowrap;flex-shrink:0;font-size:11px}.ch-breadcrumb-nav{flex-shrink:0;align-items:center;gap:16px;display:flex}.ch-breadcrumb-nav a{font-family:var(--font-sans);color:var(--teal);white-space:nowrap;font-size:12px;font-weight:600;text-decoration:none;transition:opacity .15s}.ch-breadcrumb-nav a:hover{text-decoration:underline}.ch-breadcrumb-nav-divider{background:var(--hairline);flex-shrink:0;width:1px;height:14px}.ch-body{max-width:820px;margin:0 auto;padding:44px 24px 80px}.ch-body h2{font-family:var(--font-serif);color:var(--ink-tx);letter-spacing:-.015em;margin:56px 0 18px;font-size:26px;font-weight:600;line-height:1.25}.ch-body h2:first-child{margin-top:0}.ch-body h3{font-family:var(--font-serif);color:var(--ink-tx);margin:40px 0 14px;font-size:20px;font-weight:600;line-height:1.3}.ch-body p{font-family:var(--font-sans);color:var(--ink-tx);margin:0 0 20px;font-size:17px;line-height:1.8}.ch-body strong{color:var(--ink-tx);font-weight:600}.ch-body a{color:var(--teal);font-weight:500;text-decoration:none}.ch-body a:hover{text-decoration:underline}.ch-pullquote{border-left:3px solid var(--teal,#0e8c7f);background:#0e8c7f0a;border-radius:0 6px 6px 0;margin:36px 0;padding:16px 24px}.ch-pullquote,.ch-pullquote p{font-family:var(--font-serif);color:var(--ink-2);margin:0;font-size:18px;font-style:italic;line-height:1.7}.ch-pullquote strong{color:var(--ink-tx);font-style:normal}.ch-body ul{margin:8px 0 22px;padding-left:1.3em;list-style:outside}.ch-body ul li{font-family:var(--font-sans);color:var(--ink-tx);padding:4px 0;font-size:17px;line-height:1.75}.ch-body ul li strong{color:var(--ink-tx)}.ch-divider{border:none;border-top:1px solid var(--hairline);margin:56px 0}.ch-diagram{margin:40px -24px;padding:0}.ch-diagram img{border:1px solid var(--hairline);border-radius:6px;width:100%;height:auto;display:block}.ch-diagram figcaption{font-family:var(--font-sans);color:var(--ink-2);text-align:center;margin-top:12px;padding:0 24px;font-size:13px;font-style:italic;line-height:1.55}.ch-body table{border-collapse:collapse;width:100%;margin:20px 0 28px;font-size:14px}.ch-body thead th{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.06em;color:var(--muted-tx);text-align:left;border-bottom:2px solid var(--hairline);padding:8px 10px;font-size:11px;font-weight:600}.ch-body tbody td{font-family:var(--font-sans);color:var(--ink-2);border-bottom:1px solid var(--hairline);vertical-align:top;padding:10px;font-size:14px;line-height:1.55}.ch-body tbody td strong{color:var(--ink-tx)}.ch-body tbody tr:last-child td{border-bottom:none}.ch-nav{border-top:1px solid var(--hairline);justify-content:space-between;align-items:center;gap:16px;margin-top:64px;padding-top:28px;display:flex}.ch-nav a{font-family:var(--font-sans);color:var(--teal);font-size:14px;font-weight:600;text-decoration:none}.ch-nav a:hover{text-decoration:underline}.ch-nav-label{text-transform:uppercase;letter-spacing:.06em;color:var(--muted-tx);margin-bottom:4px;font-size:11px;font-weight:600;display:block}.ch-nav-next{text-align:right}@media (max-width:700px){.ch-hero-inner{padding:28px 20px}.ch-hero h1{font-size:28px}.ch-oneliner{font-size:15px}.ch-body{padding:32px 18px 60px}.ch-body h2{margin:44px 0 14px;font-size:22px}.ch-body h3{margin:32px 0 12px;font-size:18px}.ch-body p,.ch-body ul li{font-size:16px;line-height:1.75}.ch-diagram{margin:32px -10px}.ch-diagram figcaption{padding:0 10px}.ch-pullquote{margin:28px 0;padding:14px 18px}.ch-pullquote,.ch-pullquote p{font-size:16px}.ch-body table{font-size:12.5px;display:block;overflow-x:auto}.ch-breadcrumb-inner{flex-wrap:wrap;gap:6px;padding:10px 18px}.ch-breadcrumb-nav{gap:12px}.ch-nav{margin-top:48px}}