.prob-page{padding:0 0 120px}.article-hero{position:relative;min-height:480px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border-bottom:1px solid var(--border-subtle);margin-bottom:56px}.article-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;background-repeat:no-repeat;transform:scale(1.03);transition:transform 8s ease}.article-hero-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(to bottom,#0a0d1173,#0a0d1140 30%,#0a0d11bf 70%,#0a0d11f7)}.article-hero-inner{position:relative;z-index:1;padding:80px 0 48px}.article-breadcrumb{font-family:var(--font-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#ffffff8c;display:flex;align-items:center;gap:8px;margin-bottom:28px}.article-breadcrumb a{color:#ffffff8c;text-decoration:none;transition:color .2s}.article-breadcrumb a:hover{color:#fff}.article-hero h1{font-family:var(--font-serif);font-weight:400;font-size:clamp(32px,4.5vw,56px);line-height:1.06;letter-spacing:-.022em;color:#fff;margin:0 0 24px;max-width:800px}.article-hero h1 em{font-style:italic;color:var(--accent)}.article-meta{display:flex;align-items:center;gap:0;flex-wrap:wrap;margin-bottom:0}.article-meta-item{display:flex;flex-direction:column;gap:3px}.article-meta-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:#fff6}.article-meta-value{font-size:13px;color:#ffffffd9}.article-meta-value a{color:var(--accent);text-decoration:none}.article-meta-divider{width:1px;height:32px;background:#ffffff26;margin:0 20px}.prob-hero-grid{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start;margin-bottom:56px}.prob-hero-lead{font-size:16px;color:var(--text-secondary);line-height:1.7;margin:0 0 24px;max-width:600px}.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;color:var(--text-primary);text-align:right}.prob-status-val.good{color:var(--accent)}.prob-status-val.bad{color:#ff6b6b}.prob-status-btn{margin-top:14px}.prob-body{display:grid;grid-template-columns:1fr 240px;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:12px}.prob-toc-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}.prob-toc-list a{font-size:13px;color:var(--text-tertiary);display:block;padding:5px 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 ul{margin:0 0 1.2em;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px}.prob-prose ul li{font-size:14px;color:var(--text-secondary);line-height:1.6;display:flex;gap:10px;padding:10px 14px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md)}.prob-prose ul li:before{content:"→";color:var(--accent);flex-shrink:0;font-family:var(--font-mono)}.prob-prose ol{margin:0 0 1.2em;padding-left:0;list-style:none;display:flex;flex-direction:column;gap:8px;counter-reset:ol-counter}.prob-prose ol li{font-size:14px;color:var(--text-secondary);line-height:1.6;display:flex;gap:12px;padding:12px 16px;background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);counter-increment:ol-counter}.prob-prose ol li:before{content:counter(ol-counter);font-family:var(--font-mono);font-size:11px;color:var(--accent);background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:50%;width:22px;height:22px;display:grid;place-items:center;flex-shrink:0;margin-top:1px}.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;display:flex;gap:8px;align-items:center}.prob-warn ul{margin:0}.prob-warn ul li{background:none;border:none;padding:4px 0;font-size:13px}.prob-warn ul li:before{content:"✕";color:#ff6b6b}.prob-info{background:var(--accent-soft);border:1px solid var(--accent-line);border-left:3px solid var(--accent);border-radius:var(--radius-md);padding:18px 22px;margin:24px 0}.prob-info-title{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:8px}.prob-info p{font-size:14px;margin:0}.prob-table{width:100%;border-collapse:collapse;margin:24px 0;font-size:13px}.prob-table th{text-align:left;padding:10px 14px;background:var(--bg-surface);border-bottom:2px solid var(--border-default);color:var(--text-tertiary);font-family:var(--font-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;font-weight:400}.prob-table td{padding:12px 14px;border-bottom:1px solid var(--border-subtle);color:var(--text-secondary);vertical-align:top;line-height:1.5}.prob-table tr:last-child td{border-bottom:none}.prob-table tr:hover td{background:var(--bg-surface)}.prob-table td:first-child{font-weight:500;color:var(--text-primary);white-space:nowrap}.prob-steps{display:flex;flex-direction:column;gap:0;margin:24px 0}.prob-step{display:grid;grid-template-columns:48px 1fr;position:relative}.prob-step:not(:last-child) .prob-step-line{position:absolute;left:23px;top:48px;bottom:0;width:2px;background:var(--border-subtle)}.prob-step-num{width:32px;height:32px;border-radius:50%;background:var(--bg-surface);border:2px solid var(--border-default);display:grid;place-items:center;font-family:var(--font-mono);font-size:11px;color:var(--text-tertiary);margin-top:8px;position:relative;z-index:1}.prob-step-content{padding:6px 0 28px 14px}.prob-step-title{font-size:14px;font-weight:500;color:var(--text-primary);margin-bottom:6px}.prob-step-desc{font-size:13px;color:var(--text-secondary);line-height:1.65}.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:16px}.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: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:6px}.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-related-grid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.prob-cta{padding:28px 20px}.prob-related-grid{grid-template-columns:1fr}}