.prob-page{padding:0 0 120px}.prob-hero{padding:64px 0 56px;border-bottom:1px solid var(--border-subtle);margin-bottom:56px}.prob-breadcrumb{font-size:12px;color:var(--text-tertiary);display:flex;gap:8px;align-items:center;margin-bottom:20px;flex-wrap:wrap}.prob-breadcrumb a{color:var(--text-tertiary);transition:color .2s}.prob-breadcrumb a:hover{color:var(--accent)}.prob-meta{display:flex;gap:10px;align-items:center;margin-bottom:20px;flex-wrap:wrap}.prob-meta-tag{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:4px;padding:3px 10px}.prob-hero-grid{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}.prob-hero h1{font-family:var(--font-serif);font-weight:400;font-size:clamp(32px,4.5vw,54px);line-height:1.06;letter-spacing:-.02em;margin:0 0 18px}.prob-hero h1 em{font-style:italic;color:var(--accent)}.prob-hero-lead{font-size:16px;color:var(--text-secondary);line-height:1.7;margin:0 0 24px}.prob-hero-lead strong{color:var(--text-primary)}.prob-status{background:var(--bg-surface);border:1px solid var(--border-default);border-radius:var(--radius-xl);padding:22px;position:sticky;top:96px}.prob-status-title{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:14px}.prob-status-row{display:flex;justify-content:space-between;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--border-subtle);font-size:13px;gap:12px}.prob-status-row:last-of-type{border-bottom:none}.prob-status-label{color:var(--text-tertiary);flex-shrink:0}.prob-status-val{font-weight:500;text-align:right;font-size:12px;color:var(--text-primary)}.prob-status-val.good{color:var(--accent)}.prob-status-val.bad{color:#ff6b6b}.prob-body{display:grid;grid-template-columns:1fr 220px;gap:56px;align-items:start}.prob-article{max-width:740px}.prob-toc{position:sticky;top:96px}.prob-toc-title{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:10px}.prob-toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.prob-toc-list a{font-size:12px;color:var(--text-tertiary);display:block;padding:4px 10px;border-radius:var(--radius-sm);transition:all .15s;border-left:2px solid transparent}.prob-toc-list a:hover{color:var(--accent);border-left-color:var(--accent);background:var(--accent-soft)}.prob-prose{font-size:15px;color:var(--text-secondary);line-height:1.8}.prob-prose h2{font-family:var(--font-serif);font-weight:400;font-size:clamp(22px,3vw,30px);line-height:1.15;letter-spacing:-.015em;color:var(--text-primary);margin:48px 0 16px;padding-top:48px;border-top:1px solid var(--border-subtle)}.prob-prose h2:first-child{margin-top:0;padding-top:0;border-top:none}.prob-prose h3{font-size:17px;font-weight:500;color:var(--text-primary);margin:28px 0 10px}.prob-prose p{margin:0 0 1.2em}.prob-prose p:last-child{margin-bottom:0}.prob-prose strong{color:var(--text-primary)}.prob-prose a{color:var(--accent)}.prob-prose em.opinion{display:block;font-style:normal;background:var(--bg-surface);border:1px solid var(--border-subtle);border-left:3px solid var(--accent);border-radius:var(--radius-md);padding:14px 18px;margin:20px 0;font-size:14px;color:var(--text-secondary);line-height:1.7}.prob-prose em.opinion:before{content:"💬 "}.prob-warn{background:#ff6b6b0f;border:1px solid rgba(255,107,107,.25);border-left:3px solid #FF6B6B;border-radius:var(--radius-md);padding:18px 22px;margin:24px 0}.prob-warn-title{font-size:13px;font-weight:600;color:#ff8b8b;margin-bottom:12px}.prob-warn ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:6px}.prob-warn ul li{font-size:13px;color:var(--text-secondary);line-height:1.6;display:flex;gap:8px}.prob-warn ul li:before{content:"✕";color:#ff6b6b;font-weight:600;flex-shrink:0}.prob-info{background:var(--accent-soft);border:1px solid var(--accent-line);border-left:3px solid var(--accent);border-radius:var(--radius-md);padding:16px 20px;margin:20px 0;font-size:14px;color:var(--text-secondary);line-height:1.7}.prob-info strong{color:var(--accent);display:block;margin-bottom:6px}.prob-scenarios{display:flex;flex-direction:column;gap:10px;margin:20px 0}.prob-scenario{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:16px 20px;display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}.prob-scenario-icon{width:36px;height:36px;border-radius:var(--radius-md);background:var(--accent-soft);border:1px solid var(--accent-line);display:grid;place-items:center;color:var(--accent);flex-shrink:0}.prob-scenario-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:5px}.prob-scenario-desc{font-size:13px;color:var(--text-secondary);line-height:1.6}.prob-scenario-link{font-size:12px;color:var(--accent);font-family:var(--font-mono);margin-top:6px;display:inline-block}.prob-vs{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:20px 0}.prob-vs-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:18px 20px}.prob-vs-card.bad{border-color:#ff6b6b4d}.prob-vs-card.good{border-color:var(--accent-line)}.prob-vs-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:8px}.prob-vs-card.bad .prob-vs-label{color:#ff8b8b}.prob-vs-card.good .prob-vs-label{color:var(--accent)}.prob-vs-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:10px}.prob-vs-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:5px}.prob-vs-list li{font-size:13px;color:var(--text-secondary);display:flex;gap:8px}.prob-vs-card.bad .prob-vs-list li:before{content:"✕";color:#ff6b6b;flex-shrink:0}.prob-vs-card.good .prob-vs-list li:before{content:"✓";color:var(--accent);flex-shrink:0}.prob-faq{display:flex;flex-direction:column}.prob-faq-item{border-bottom:1px solid var(--border-subtle)}.prob-faq-item:first-child{border-top:1px solid var(--border-subtle)}.prob-faq-q{display:flex;align-items:center;justify-content:space-between;width:100%;padding:14px 0;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-sans);font-size:14px;color:var(--text-primary);gap:16px;transition:color .2s}.prob-faq-q:hover{color:var(--accent)}.prob-faq-icon{width:20px;height:20px;border-radius:50%;border:1px solid var(--border-default);display:grid;place-items:center;font-size:14px;flex-shrink:0;transition:all .25s;color:var(--text-tertiary)}.prob-faq-item.open .prob-faq-icon{border-color:var(--accent);color:var(--accent);transform:rotate(45deg);background:var(--accent-soft)}.prob-faq-a{display:none;padding:0 0 14px;font-size:13px;color:var(--text-secondary);line-height:1.7}.prob-faq-item.open .prob-faq-a{display:block}.prob-cta{background:var(--bg-surface);border:1px solid var(--accent-line);border-radius:var(--radius-xl);padding:40px;text-align:center;margin-top:64px}.prob-cta h2{font-family:var(--font-serif);font-weight:400;font-size:clamp(22px,3.5vw,34px);line-height:1.1;letter-spacing:-.015em;margin:0 0 10px}.prob-cta h2 em{font-style:italic;color:var(--accent)}.prob-cta p{font-size:14px;color:var(--text-secondary);max-width:440px;margin:0 auto 22px;line-height:1.65}.prob-cta-btns{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.prob-related{margin-top:56px;padding-top:40px;border-top:1px solid var(--border-subtle)}.prob-related-title{font-family:var(--font-mono);font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:14px}.prob-related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.prob-related-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:14px 16px;transition:border-color .2s}.prob-related-card:hover{border-color:var(--accent-line)}.prob-related-tag{font-family:var(--font-mono);font-size:10px;color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:5px}.prob-related-name{font-size:13px;font-weight:500;color:var(--text-primary);line-height:1.4}@media(max-width:980px){.prob-hero-grid{grid-template-columns:1fr}.prob-status{position:static}.prob-body{grid-template-columns:1fr}.prob-toc{display:none}.prob-vs{grid-template-columns:1fr}.prob-related-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.prob-cta{padding:28px 20px}.prob-related-grid,.prob-scenario{grid-template-columns:1fr}.prob-scenario-icon{display:none}}