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.pcard-body[data-astro-cid-ztaq7sjr]{max-height:220px;margin-top:22px}.pcard-body-inner[data-astro-cid-ztaq7sjr]{border-top:1px solid var(--line);padding-top:20px}.pcard-body[data-astro-cid-ztaq7sjr] p[data-astro-cid-ztaq7sjr]{color:var(--ink-secondary);max-width:44ch;font-size:.94rem}.accordion-grid[data-astro-cid-ygjnib6f]{background:var(--line);border:1px solid var(--line);grid-template-columns:1fr 1fr;gap:1px;display:grid}@media (width<=760px){.accordion-grid[data-astro-cid-ygjnib6f]{grid-template-columns:1fr}}.wcard[data-astro-cid-6t25iin5]{background:var(--bg);min-height:220px;transition:background .4s var(--ease);flex-direction:column;justify-content:space-between;padding:34px 28px;display:flex;position:relative;overflow:hidden}.wcard[data-astro-cid-6t25iin5]:after{content:"";background:var(--accent);transform-origin:0;height:2px;transition:transform .5s var(--ease);position:absolute;bottom:0;left:0;right:0;transform:scaleX(0)}.wcard[data-astro-cid-6t25iin5]:hover{background:var(--bg-surface)}.wcard[data-astro-cid-6t25iin5]:hover:after{transform:scaleX(1)}.wcard-top[data-astro-cid-6t25iin5]{align-items:center;gap:12px;margin-bottom:24px;display:flex}.wcard-num[data-astro-cid-6t25iin5]{font-family:var(--serif);color:var(--accent-soft);font-size:1.6rem;font-weight:500}.wcard[data-astro-cid-6t25iin5] h3[data-astro-cid-6t25iin5]{font-family:var(--serif);color:var(--ink);margin-bottom:14px;font-size:1.25rem;font-weight:500}.wcard[data-astro-cid-6t25iin5] p[data-astro-cid-6t25iin5]{color:var(--ink-secondary);font-size:.88rem;line-height:1.55}.work-frame[data-astro-cid-nkf5ukgv]{border:1px solid var(--line-strong)}.work-stages[data-astro-cid-nkf5ukgv]{grid-template-columns:repeat(5,1fr);display:grid}@media (width<=1080px){.work-stages[data-astro-cid-nkf5ukgv]{grid-template-columns:repeat(3,1fr)}}@media 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(width<=480px){.wstage[data-astro-cid-nkf5ukgv],.wstage[data-astro-cid-nkf5ukgv]:nth-child(odd){border-right:none}}.wstage-head[data-astro-cid-nkf5ukgv]{align-items:center;gap:10px;margin-bottom:16px;display:flex}.wstage-num[data-astro-cid-nkf5ukgv]{font-family:var(--serif);color:var(--accent-soft);font-size:1.2rem;font-weight:500}.wstage[data-astro-cid-nkf5ukgv] h4[data-astro-cid-nkf5ukgv]{font-family:var(--serif);color:var(--ink);margin-bottom:10px;font-size:1.1rem;font-weight:500}.wstage[data-astro-cid-nkf5ukgv] p[data-astro-cid-nkf5ukgv]{color:var(--ink-secondary);font-size:.85rem;line-height:1.55}.work-note[data-astro-cid-nkf5ukgv]{border-top:1px solid var(--line);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;padding:24px 28px;display:flex}.work-note[data-astro-cid-nkf5ukgv] p[data-astro-cid-nkf5ukgv]{color:var(--ink-faint);font-size:11px;font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase}.hero[data-astro-cid-p4wrilwt]{border-bottom:1px solid var(--line);background:radial-gradient(ellipse 900px 500px at 78% 18%, var(--accent-wash), transparent 60%);padding-top:160px;padding-bottom:100px;position:relative;overflow:hidden}.hero-inner[data-astro-cid-p4wrilwt]{z-index:2;position:relative}.hero-sub[data-astro-cid-p4wrilwt]{font-family:var(--mono);letter-spacing:.05em;color:var(--ink-muted);max-width:52ch;margin-top:30px;font-size:13px}.hero-ctas[data-astro-cid-p4wrilwt]{flex-wrap:wrap;gap:18px;margin-top:52px;display:flex}.hero-foot[data-astro-cid-p4wrilwt]{border-top:1px solid var(--line);margin-top:90px;padding-top:26px}.system-section[data-astro-cid-p4wrilwt],.work-section[data-astro-cid-p4wrilwt]{background:var(--bg-surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.problem-head[data-astro-cid-p4wrilwt]{max-width:26ch;margin-bottom:70px}.problem-grid[data-astro-cid-p4wrilwt]{grid-template-columns:repeat(4,1fr);gap:0;display:grid}@media (width<=900px){.problem-grid[data-astro-cid-p4wrilwt]{grid-template-columns:1fr 1fr;gap:1px}}@media (width<=560px){.problem-grid[data-astro-cid-p4wrilwt]{grid-template-columns:1fr}}.problem-item[data-astro-cid-p4wrilwt]{padding:0 26px 0 0}.problem-head-row[data-astro-cid-p4wrilwt]{align-items:center;gap:12px;margin-bottom:20px;display:flex}.node[data-astro-cid-p4wrilwt]{background:var(--bg);border:1.5px solid var(--accent);border-radius:50%;flex-shrink:0;width:9px;height:9px;display:block}.num[data-astro-cid-p4wrilwt]{font-family:var(--mono);color:var(--ink-faint);letter-spacing:.06em;font-size:11px}.problem-item[data-astro-cid-p4wrilwt] p[data-astro-cid-p4wrilwt]{font-family:var(--serif);color:var(--ink-secondary);max-width:22ch;font-size:1.25rem;font-style:italic;line-height:1.4}.problem-close[data-astro-cid-p4wrilwt]{align-items:center;gap:20px;margin-top:72px;display:flex}.hr[data-astro-cid-p4wrilwt]{background:var(--line);flex:1;height:1px}.problem-close[data-astro-cid-p4wrilwt] p[data-astro-cid-p4wrilwt]{font-family:var(--serif);max-width:34ch;color:var(--ink);text-align:center;font-size:1.4rem}