.manual { max-width: 800px; }
.manual-nav { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 22px; position: sticky; top: 0; background: var(--bg-0); padding: 10px 0; z-index: 10; }
.manual-nav a { font-family: var(--font-display); font-size: 10px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; padding: 6px 12px; background: var(--surface); border: 1px solid var(--border); color: var(--ink-1); cursor: pointer; transition: all 120ms; }
.manual-nav a:hover, .manual-nav a.active { background: var(--accent); color: #02161e; border-color: var(--accent); }

.manual-section { margin-bottom: 36px; padding-bottom: 36px; border-bottom: 1px solid var(--border); }
.manual-section:last-child { border-bottom: none; }
.manual-section h2 { font-family: var(--font-wordmark); font-size: 32px; font-weight: 400; text-transform: uppercase; margin-bottom: 14px; }
.manual-section h3 { font-family: var(--font-display); font-size: 13px; font-weight: 800; letter-spacing: 0.10em; text-transform: uppercase; color: var(--accent); margin: 18px 0 8px; }
.manual-section p { font-size: 13px; line-height: 1.7; color: var(--ink-1); margin-bottom: 10px; }
.manual-section ul, .manual-section ol { margin: 8px 0 14px 20px; font-size: 13px; color: var(--ink-1); line-height: 1.7; }
.manual-section li { margin-bottom: 4px; }
.manual-section strong { color: var(--ink-0); }
.manual-section code { font-family: var(--font-mono); font-size: 12px; background: var(--surface-2); padding: 2px 6px; border-radius: 4px; color: var(--accent); }

.manual-step { display: flex; gap: 14px; margin-bottom: 14px; padding: 14px; background: var(--bg-1); border: 1px solid var(--border); border-radius: var(--radius-sm); }
.manual-step-num { width: 32px; height: 32px; border-radius: 50%; background: var(--accent); color: #02161e; display: flex; align-items: center; justify-content: center; font-family: var(--font-wordmark); font-size: 18px; flex-shrink: 0; }
.manual-step-body { flex: 1; }
.manual-step-body strong { display: block; font-size: 13px; margin-bottom: 4px; }
.manual-step-body span { font-size: 12px; color: var(--ink-2); }

.manual-tip { padding: 12px 16px; background: rgba(26,179,198,0.06); border-left: 3px solid var(--accent); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 14px 0; font-size: 12px; color: var(--ink-1); }
.manual-warn { padding: 12px 16px; background: rgba(245,176,66,0.06); border-left: 3px solid var(--warn); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; margin: 14px 0; font-size: 12px; color: var(--ink-1); }