.prob-page{padding:0 0 120px}.article-hero{border-bottom:1px solid var(--border-subtle);flex-direction:column;justify-content:flex-end;margin-bottom:48px;display:flex;position:relative;overflow:hidden}.article-hero-bg{background-position:50%;background-repeat:no-repeat;background-size:cover;position:absolute;inset:0}.article-hero-bg:after{content:"";background:linear-gradient(#0a0d118c 0%,#0a0d114d 30%,#0a0d11d1 70%,#0a0d11fa 100%);position:absolute;inset:0}.article-hero-inner{z-index:1;padding:40px 0;position:relative}.article-breadcrumb{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:#ffffff80;align-items:center;gap:8px;margin-bottom:28px;font-size:11px;display:flex}.article-breadcrumb a{color:#ffffff80;text-decoration:none;transition:color .2s}.article-breadcrumb a:hover{color:#fff}.article-hero h1{font-family:var(--font-serif);letter-spacing:-.02em;color:#fff;max-width:780px;margin:0 0 20px;font-size:clamp(26px,4.5vw,52px);font-weight:400;line-height:1.08}.article-hero h1 em{color:var(--accent);font-style:italic}.article-meta{flex-wrap:wrap;align-items:center;gap:8px 0;display:flex}.article-meta-item{flex-direction:column;gap:3px;display:flex}.article-meta-label{font-family:var(--font-mono);letter-spacing:.1em;text-transform:uppercase;color:#fff6;font-size:10px}.article-meta-value{color:#ffffffd9;font-size:13px}.article-meta-value a{color:var(--accent);text-decoration:none}.article-meta-divider{background:#ffffff26;width:1px;height:32px;margin:0 20px}.prob-hero-grid{grid-template-columns:1fr 280px;align-items:start;gap:40px;margin-bottom:48px;display:grid}.prob-hero-lead{color:var(--text-secondary);max-width:600px;margin:0 0 24px;font-size:16px;line-height:1.7}.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);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:14px;font-size:10px}.prob-status-row{border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:flex-start;gap:12px;padding:9px 0;font-size:13px;display:flex}.prob-status-row:last-of-type{border-bottom:none}.prob-status-label{color:var(--text-tertiary);flex-shrink:0}.prob-status-val{color:var(--text-primary);text-align:right;font-weight:500}.prob-status-val.good{color:var(--accent)}.prob-status-val.bad{color:#ff6b6b}.prob-status-val.warn{color:#f5a623}.prob-body{grid-template-columns:1fr 240px;align-items:start;gap:56px;display:grid}.prob-article{min-width:0;max-width:740px}.prob-toc{position:sticky;top:96px}.prob-toc-title{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:12px;font-size:10px}.prob-toc-list{flex-direction:column;gap:2px;margin:0;padding:0;list-style:none;display:flex}.prob-toc-list a{color:var(--text-tertiary);border-radius:var(--radius-sm);border-left:2px solid #0000;padding:5px 10px;font-size:13px;transition:all .15s;display:block}.prob-toc-list a:hover{color:var(--accent);border-left-color:var(--accent);background:var(--accent-soft)}.prob-prose{color:var(--text-secondary);font-size:15px;line-height:1.8}.prob-prose h2{font-family:var(--font-serif);letter-spacing:-.015em;color:var(--text-primary);border-top:1px solid var(--border-subtle);margin:48px 0 16px;padding-top:48px;font-size:clamp(22px,3vw,30px);font-weight:400;line-height:1.15}.prob-prose h2:first-child{border-top:none;margin-top:0;padding-top:0}.prob-prose h3{color:var(--text-primary);margin:28px 0 10px;font-size:17px;font-weight:500}.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{flex-direction:column;gap:8px;margin:0 0 1.2em;padding-left:0;list-style:none;display:flex}.prob-prose ul li{color:var(--text-secondary);background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);gap:10px;padding:10px 14px;font-size:14px;line-height:1.6;display:flex}.prob-prose ul li:before{content:"→";color:var(--accent);font-family:var(--font-sans);flex-shrink:0}.prob-prose code{font-family:var(--font-mono);background:var(--bg-elevated);color:var(--accent);border-radius:4px;padding:2px 7px;font-size:.88em}.prob-warn{border-radius:var(--radius-md);background:#ff6b6b0f;border:1px solid #ff6b6b40;border-left:3px solid #ff6b6b;margin:24px 0;padding:18px 22px}.prob-warn-title{color:#ff8b8b;align-items:center;gap:8px;margin-bottom:12px;font-size:13px;font-weight:600;display:flex}.prob-warn ul{margin:0;padding-left:0;list-style:none}.prob-warn ul li{color:var(--text-secondary);background:0 0;border:none;gap:8px;padding:4px 0;font-size:13px;display:flex}.prob-warn ul li:before{content:"✕";color:#ff6b6b;font-family:var(--font-sans);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);margin:24px 0;padding:18px 22px}.prob-info-title{color:var(--accent);margin-bottom:8px;font-size:13px;font-weight:600}.prob-info p{color:var(--text-secondary);margin:0;font-size:14px;line-height:1.7}.methods-block{flex-direction:column;gap:12px;margin:24px 0;display:flex}.method-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden}.method-card-header{border-bottom:1px solid var(--border-subtle);align-items:center;gap:12px;padding:14px 18px;display:flex}.method-badge{font-family:var(--font-sans);letter-spacing:.05em;text-transform:uppercase;white-space:nowrap;border-radius:20px;padding:3px 9px;font-size:10px;font-weight:700}.badge-safe{color:var(--accent);border:1px solid var(--accent-line);background:#00e08a1a}.badge-caution{color:#f5a623;background:#f5a6231a;border:1px solid #f5a6234d}.badge-danger{color:#ff6b6b;background:#ff6b6b1a;border:1px solid #ff6b6b4d}.method-card-title{color:var(--text-primary);font-size:14px;font-weight:500}.method-card-body{color:var(--text-secondary);padding:14px 18px;font-size:13px;line-height:1.75}.method-card-body strong{color:var(--text-primary)}.method-card-body em{color:var(--text-tertiary);font-style:italic}.method-card-body p{margin:0 0 .8em}.method-card-body p:last-child{margin:0}.prob-faq{flex-direction:column;display:flex}.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{cursor:pointer;text-align:left;width:100%;font-family:var(--font-sans);color:var(--text-primary);background:0 0;border:none;justify-content:space-between;align-items:center;gap:16px;padding:14px 0;font-size:14px;transition:color .2s;display:flex}.prob-faq-q:hover{color:var(--accent)}.prob-faq-icon{border:1px solid var(--border-default);width:20px;height:20px;color:var(--text-tertiary);border-radius:50%;flex-shrink:0;place-items:center;font-size:14px;transition:all .25s;display:grid}.prob-faq-item.open .prob-faq-icon{border-color:var(--accent);color:var(--accent);background:var(--accent-soft);transform:rotate(45deg)}.prob-faq-a{color:var(--text-secondary);padding:0 0 14px;font-size:13px;line-height:1.7;display:none}.prob-faq-item.open .prob-faq-a{display:block}.prob-faq-a a{color:var(--accent)}.prob-cta{background:var(--bg-surface);border:1px solid var(--accent-line);border-radius:var(--radius-xl);text-align:center;margin-top:64px;padding:40px}.prob-cta h2{font-family:var(--font-serif);letter-spacing:-.015em;margin:0 0 10px;font-size:clamp(22px,3.5vw,34px);font-weight:400;line-height:1.1}.prob-cta h2 em{color:var(--accent);font-style:italic}.prob-cta p{color:var(--text-secondary);max-width:460px;margin:0 auto 22px;font-size:14px;line-height:1.65}.prob-cta-btns{flex-wrap:wrap;justify-content:center;gap:10px;display:flex}.prob-related{border-top:1px solid var(--border-subtle);margin-top:56px;padding-top:40px}.prob-related-title{font-family:var(--font-mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-tertiary);margin-bottom:16px;font-size:10px}.prob-related-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.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);color:var(--accent);letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px;font-size:10px}.prob-related-name{color:var(--text-primary);font-size:13px;font-weight:500;line-height:1.4}@media (width<=980px){.prob-hero-grid{grid-template-columns:1fr}.prob-status{position:static}.prob-body{grid-template-columns:1fr}.prob-related-grid{grid-template-columns:1fr 1fr}.article-meta-divider{display:none}.article-meta{gap:12px}}@media (width<=600px){.prob-cta{padding:28px 20px}.prob-related-grid{grid-template-columns:1fr}.article-meta-divider{display:none}}.scenario-table{border-collapse:collapse;width:100%;margin:22px 0 28px;font-size:13px}.scenario-table th,.scenario-table td{border:1px solid var(--border-subtle);vertical-align:top;text-align:left;padding:12px 14px}.scenario-table th{background:var(--bg-surface);color:var(--text-primary);font-weight:600}.scenario-table td{color:var(--text-secondary);line-height:1.55}.scenario-table td strong{color:var(--text-primary)}.source-list{color:var(--text-secondary);margin:14px 0 0;padding-left:18px;font-size:13px;line-height:1.7}.source-list a{color:var(--accent)}