.art-hero{position:relative;padding:140px 0 48px;overflow:hidden}.art-hero:after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.5;background:radial-gradient(820px 520px at 82% -20%,var(--accent-glow),transparent 58%),radial-gradient(900px 600px at -6% 10%,rgba(37,99,235,.12),transparent 55%)}[data-theme=dark] .art-hero:after{opacity:.9}.art-back{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--text-2);transition:color .2s}.art-back:hover{color:var(--accent-strong)}.art-back svg{width:15px;height:15px}.art-hero h1{font-size:clamp(30px,4.4vw,50px);font-weight:800;letter-spacing:-.035em;line-height:1.06;margin-top:18px;max-width:16ch;text-wrap:balance}.art-hero .excerpt{margin-top:20px;font-size:19px;line-height:1.6;color:var(--text-2);max-width:620px;text-wrap:pretty}.art-meta{margin-top:28px;display:flex;align-items:center;gap:14px;flex-wrap:wrap}.art-author{display:flex;align-items:center;gap:11px}.art-author .av{width:40px;height:40px;border-radius:999px;object-fit:cover;background:linear-gradient(150deg,var(--navy-800),var(--navy-600));display:grid;place-items:center;color:#fff;font-family:var(--font-display);font-weight:700;font-size:14px}.art-author .n{font-size:14px;font-weight:600;color:var(--text)}.art-author .r{font-size:12px;color:var(--text-3)}.art-meta .dot{width:4px;height:4px;border-radius:999px;background:var(--ink-300)}.art-meta .mi{font-size:13px;color:var(--text-3);font-family:var(--font-mono)}.article{padding:8px 0 96px}.prose{max-width:760px;margin:0 auto}.prose>*+*{margin-top:22px}.prose p{font-size:17px;line-height:1.75;color:var(--text-2)}.prose p strong,.prose li strong{color:var(--text);font-weight:700}.prose h2{font-family:var(--font-display);font-size:clamp(22px,2.6vw,30px);font-weight:700;letter-spacing:-.025em;color:var(--text);margin-top:52px;line-height:1.2}.prose h3{font-family:var(--font-display);font-size:19px;font-weight:700;color:var(--text);margin-top:34px}.prose ul,.prose ol{padding-left:4px;display:flex;flex-direction:column;gap:12px;list-style:none}.prose ul li{position:relative;padding-left:28px;font-size:16.5px;line-height:1.65;color:var(--text-2)}.prose ul li:before{content:"";position:absolute;left:4px;top:11px;width:7px;height:7px;border-radius:999px;background:var(--accent)}.prose ol{counter-reset:li}.prose ol li{position:relative;padding-left:38px;font-size:16.5px;line-height:1.65;color:var(--text-2);counter-increment:li}.prose ol li:before{content:counter(li);position:absolute;left:0;top:1px;width:24px;height:24px;border-radius:7px;background:var(--accent-soft);color:var(--accent-strong);font-family:var(--font-display);font-weight:700;font-size:12px;display:grid;place-items:center}[data-theme=dark] .prose ol li:before{background:#f59e0b29}.prose a{color:var(--accent-strong);font-weight:600;text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1.5px}.prose hr{border:0;border-top:1px solid var(--line);margin:44px 0}.prose blockquote{margin:32px 0;padding:6px 0 6px 26px;border-left:4px solid var(--accent);font-family:var(--font-display);font-size:22px;font-weight:600;line-height:1.45;letter-spacing:-.02em;color:var(--text)}.prose .lead{font-size:20px;line-height:1.65;color:var(--text)}.callout{display:flex;gap:16px;padding:22px 24px;border-radius:var(--r-lg);background:var(--accent-soft);border:1px solid var(--accent-border)}[data-theme=dark] .callout{background:#f59e0b1a;border-color:#f59e0b47}.callout .ic{width:36px;height:36px;border-radius:9px;background:var(--accent);color:var(--accent-contrast);display:grid;place-items:center;flex-shrink:0}.callout .ic svg{width:19px;height:19px}.callout p{font-size:15.5px;line-height:1.6;color:var(--text);margin:0}.callout.blue{background:var(--blue-50);border-color:var(--blue-100)}[data-theme=dark] .callout.blue{background:#3b82f61a;border-color:#3b82f647}.callout.blue .ic{background:var(--blue-600);color:#fff}.phase{border:1px solid var(--line);border-radius:var(--r-xl);background:var(--surface);overflow:hidden;margin-top:22px;box-shadow:var(--sh-xs)}.phase-head{display:flex;align-items:center;gap:16px;padding:22px 26px;color:#fff}.phase-num{font-family:var(--font-display);font-weight:800;font-size:13px;letter-spacing:.04em;text-transform:uppercase;background:#ffffff2e;padding:6px 12px;border-radius:var(--r-full)}.phase-head .ph-t{font-family:var(--font-display);font-weight:700;font-size:19px}.phase-head .ph-s{font-size:13px;opacity:.82;margin-top:2px}.phase-b1 .phase-head{background:linear-gradient(120deg,var(--blue-700),var(--blue-500))}.phase-b2 .phase-head{background:linear-gradient(120deg,#047857,#10b981)}.phase-b3 .phase-head{background:linear-gradient(120deg,var(--amber-700),var(--amber-500))}.phase-b4 .phase-head{background:linear-gradient(120deg,#5b21b6,#7c3aed)}.phase-body{padding:24px 26px}.phase-body>*+*{margin-top:16px}.phase-body p{font-size:16px;line-height:1.65;color:var(--text-2)}.phase-body ul{list-style:none;display:flex;flex-direction:column;gap:11px}.phase-body ul li{position:relative;padding-left:26px;font-size:15.5px;line-height:1.6;color:var(--text-2)}.phase-body ul li:before{content:"";position:absolute;left:3px;top:9px;width:7px;height:7px;border-radius:999px;background:var(--accent)}.phase-body ul li strong{color:var(--text)}.phase-done{display:flex;align-items:center;gap:10px;margin-top:18px;padding:14px 16px;border-radius:var(--r-md);background:var(--surface-2);border:1px dashed var(--border-strong);font-size:14.5px;font-weight:600;color:var(--text)}.phase-done svg{width:18px;height:18px;color:var(--lp-green);flex-shrink:0}[data-theme=dark] .phase-done svg{color:#4ade80}.split-resp{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:22px}.resp-col{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}.resp-col .rh{padding:16px 20px;font-family:var(--font-display);font-weight:700;font-size:15px;color:#fff}.resp-col.a .rh{background:var(--navy-800)}.resp-col.b .rh{background:var(--accent);color:var(--accent-contrast)}.resp-col ul{list-style:none;padding:18px 20px;display:flex;flex-direction:column;gap:12px}.resp-col li{position:relative;padding-left:26px;font-size:14.5px;line-height:1.55;color:var(--text-2)}.resp-col li:before{content:"";position:absolute;left:2px;top:8px;width:7px;height:7px;border-radius:999px;background:var(--accent)}.benefits{margin-top:22px;display:flex;flex-wrap:wrap;gap:10px}.benefits span{display:inline-flex;align-items:center;gap:8px;padding:9px 15px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-full);font-size:13.5px;font-weight:600;color:var(--text)}.benefits span svg{width:14px;height:14px;color:var(--lp-green)}[data-theme=dark] .benefits span svg{color:#4ade80}.takeaways{margin-top:40px;padding:28px;border-radius:var(--r-xl);background:var(--surface-2);border:1px solid var(--line)}.takeaways h4{font-family:var(--font-display);font-size:13px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-strong)}.takeaways ul{list-style:none;margin-top:16px;display:flex;flex-direction:column;gap:12px}.takeaways li{position:relative;padding-left:30px;font-size:15.5px;line-height:1.6;color:var(--text)}.takeaways li svg{position:absolute;left:0;top:3px;width:18px;height:18px;color:var(--accent)}.author-card{max-width:760px;margin:48px auto 0;display:flex;gap:18px;align-items:center;padding:24px;border-radius:var(--r-xl);background:var(--surface);border:1px solid var(--line)}.author-card .av{width:60px;height:60px;border-radius:999px;flex-shrink:0;object-fit:cover;background:linear-gradient(150deg,var(--navy-800),var(--navy-600))}.author-card .n{font-family:var(--font-display);font-weight:700;font-size:16px;color:var(--text)}.author-card .r{font-size:13px;color:var(--text-3);margin-top:2px}.author-card .b{font-size:13.5px;color:var(--text-2);margin-top:8px;line-height:1.55}.related{background:var(--bg-tint);border-top:1px solid var(--line-2)}.rel-grid{margin-top:36px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.rel-card{display:flex;flex-direction:column;gap:12px;padding:24px;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);transition:transform .2s,box-shadow .2s,border-color .2s}.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:var(--blue-200)}.rel-card .rt{display:inline-block;align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:var(--r-full);background:var(--blue-50);color:var(--blue-600)}[data-theme=dark] .rel-card .rt{background:#3b82f629;color:var(--blue-300)}.rel-card h3{font-family:var(--font-display);font-size:17px;font-weight:700;line-height:1.3;color:var(--text)}.rel-card p{font-size:13.5px;color:var(--text-2);line-height:1.5;flex:1}.rel-card .rm{font-size:12px;color:var(--text-3);font-family:var(--font-mono)}@media(max-width:768px){.split-resp,.rel-grid{grid-template-columns:1fr}.author-card{flex-direction:column;text-align:center}}