.site-header[data-astro-cid-j7pv25f6]{background:var(--color-bg-white);border-bottom:1px solid var(--color-border);position:sticky;top:0;z-index:100}.header-inner[data-astro-cid-j7pv25f6]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding-block:var(--space-4)}.header-brand[data-astro-cid-j7pv25f6]{display:flex;align-items:baseline;gap:var(--space-3);flex-wrap:wrap}.header-title[data-astro-cid-j7pv25f6]{font-weight:700;font-size:var(--font-size-base);color:var(--color-text)}.header-by[data-astro-cid-j7pv25f6]{font-size:var(--font-size-sm);color:var(--color-text-muted)}.header-son-link[data-astro-cid-j7pv25f6]{color:var(--color-primary);text-decoration:none}.header-son-link[data-astro-cid-j7pv25f6]:hover{text-decoration:underline}.btn-sm[data-astro-cid-j7pv25f6]{padding:.4rem 1rem;min-height:36px;font-size:var(--font-size-sm)}.hero[data-astro-cid-j7pv25f6]{padding-block:5rem 4rem;border-bottom:1px solid var(--color-border)}.hero-inner[data-astro-cid-j7pv25f6]{max-width:720px}.hero-label[data-astro-cid-j7pv25f6]{display:inline-block;font-size:var(--font-size-sm);font-weight:600;color:var(--color-primary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-4)}.hero-heading[data-astro-cid-j7pv25f6]{font-size:clamp(2rem,5vw,3rem);line-height:1.1;margin-bottom:var(--space-6);color:var(--color-text)}.hero-sub[data-astro-cid-j7pv25f6]{font-size:var(--font-size-lg);color:var(--color-text-muted);line-height:1.5;max-width:52ch;margin-bottom:var(--space-8)}.hero-actions[data-astro-cid-j7pv25f6]{display:flex;align-items:center;gap:var(--space-6);flex-wrap:wrap}.hero-secondary-link[data-astro-cid-j7pv25f6]{color:var(--color-primary);text-decoration:none;font-weight:600;font-size:var(--font-size-base)}.hero-secondary-link[data-astro-cid-j7pv25f6]:hover{text-decoration:underline}.section[data-astro-cid-j7pv25f6]{padding-block:4rem}.section-alt[data-astro-cid-j7pv25f6]{background:var(--color-bg-white);border-top:1px solid var(--color-border);border-bottom:1px solid var(--color-border)}.section-heading[data-astro-cid-j7pv25f6]{margin-bottom:var(--space-3)}.section-sub[data-astro-cid-j7pv25f6]{color:var(--color-text-muted);margin-bottom:var(--space-8);font-size:var(--font-size-lg)}.chapter-list[data-astro-cid-j7pv25f6]{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(320px,100%),1fr));gap:var(--space-4)}.chapter-item[data-astro-cid-j7pv25f6]{display:flex;gap:var(--space-4);align-items:flex-start;background:var(--color-bg-white);border:1px solid var(--color-border);border-radius:var(--radius);padding:var(--space-6)}.chapter-number[data-astro-cid-j7pv25f6]{font-size:1.5rem;font-weight:700;color:var(--color-border);line-height:1;flex-shrink:0;font-variant-numeric:tabular-nums;min-width:2.5ch}.chapter-title[data-astro-cid-j7pv25f6]{font-size:var(--font-size-base);font-weight:700;margin-bottom:var(--space-2);color:var(--color-text)}.chapter-desc[data-astro-cid-j7pv25f6]{font-size:var(--font-size-sm);color:var(--color-text-muted);line-height:1.5;margin:0}.steps[data-astro-cid-j7pv25f6]{display:flex;align-items:stretch;gap:0;max-width:760px}.step[data-astro-cid-j7pv25f6]{flex:1;display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-6) var(--space-4)}.step-number[data-astro-cid-j7pv25f6]{width:48px;height:48px;border-radius:50%;background:var(--color-primary);color:#fff;font-weight:700;font-size:var(--font-size-lg);display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-bottom:var(--space-4)}.step-body[data-astro-cid-j7pv25f6]{display:flex;flex-direction:column;align-items:center}.step-title[data-astro-cid-j7pv25f6]{font-size:var(--font-size-lg);font-weight:700;margin-bottom:var(--space-2)}.step-desc[data-astro-cid-j7pv25f6]{color:var(--color-text-muted);font-size:var(--font-size-sm);line-height:1.5;max-width:20ch;margin:0}.step-divider[data-astro-cid-j7pv25f6]{width:1px;background:var(--color-border);flex-shrink:0;align-self:stretch}.tool-list[data-astro-cid-j7pv25f6]{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(min(260px,100%),1fr));gap:var(--space-3)}.tool-item[data-astro-cid-j7pv25f6]{background:var(--color-bg-white);border:1px solid var(--color-border);border-left:3px solid var(--color-primary);border-radius:var(--radius);padding:var(--space-4) var(--space-6);font-weight:600;font-size:var(--font-size-sm)}.footer-cta-section[data-astro-cid-j7pv25f6]{background:#eef8fa;border-top:1px solid var(--color-border)}.footer-cta-inner[data-astro-cid-j7pv25f6]{text-align:center;max-width:600px;margin-inline:auto}.footer-cta-label[data-astro-cid-j7pv25f6]{font-size:var(--font-size-sm);font-weight:600;color:var(--color-primary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-3)}.footer-cta-heading[data-astro-cid-j7pv25f6]{margin-bottom:var(--space-6);color:var(--color-text)}.site-footer[data-astro-cid-j7pv25f6]{background:var(--color-bg-white);border-top:1px solid var(--color-border);padding-block:var(--space-6)}.footer-row[data-astro-cid-j7pv25f6]{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.site-footer[data-astro-cid-j7pv25f6] span[data-astro-cid-j7pv25f6]{font-size:var(--font-size-sm);color:var(--color-text-muted)}@media(max-width:640px){.hero[data-astro-cid-j7pv25f6]{padding-block:3rem 2.5rem}.steps[data-astro-cid-j7pv25f6]{flex-direction:column;max-width:100%}.step[data-astro-cid-j7pv25f6]{flex-direction:row;text-align:left;align-items:flex-start;gap:var(--space-4);padding:var(--space-4) 0}.step-number[data-astro-cid-j7pv25f6]{margin-bottom:0}.step-body[data-astro-cid-j7pv25f6]{align-items:flex-start}.step-desc[data-astro-cid-j7pv25f6]{max-width:none;text-align:left}.step-divider[data-astro-cid-j7pv25f6]{width:100%;height:1px}}