.article-rich-content{font-family:var(--font-sans);font-size:var(--text-md);color:var(--fg-3);line-height:1.6}.article-rich-content .arc-intro p{font-size:var(--text-lg);color:var(--fg-2);margin-bottom:var(--space-4);line-height:1.65}.article-rich-content .rich-mosaic-text{min-height:96px;color:var(--ink-display,var(--fg-1));font-family:var(--font-serif);background:0 0;align-items:center;padding:18px;font-size:clamp(18px,3vw,42px);font-weight:800;line-height:1.05;display:flex}.article-rich-content .rich-mosaic-text p{white-space:pre-wrap;width:100%;margin:0}.article-rich-content .rich-mosaic-text.is-serif{font-family:var(--font-serif)}.article-rich-content .rich-mosaic-text.is-sans{font-family:var(--font-sans)}.article-rich-content .rich-mosaic-text.is-sm{font-size:clamp(15px,2vw,26px)}.article-rich-content .rich-mosaic-text.is-md{font-size:clamp(18px,3vw,42px)}.article-rich-content .rich-mosaic-text.is-lg{font-size:clamp(24px,4.5vw,62px)}.article-rich-content .rich-mosaic-text.is-left{text-align:left;justify-content:flex-start}.article-rich-content .rich-mosaic-text.is-center{text-align:center;justify-content:center}.article-rich-content .rich-mosaic-text.is-right{text-align:right;justify-content:flex-end}.article-rich-content .arc-section{margin-bottom:var(--space-12);padding-bottom:var(--space-12);border-bottom:1px solid var(--border);min-width:0}.article-rich-content .arc-section:last-child{border-bottom:none;margin-bottom:0}.article-rich-content .arc-section-intro{font-size:var(--text-md);color:var(--fg-3);margin-bottom:var(--space-6);line-height:1.65}.article-rich-content .arc-h2{font-family:var(--font-sans);font-weight:var(--weight-bold);font-size:var(--text-xl);color:var(--cins-blue);align-items:center;gap:var(--space-3);margin-bottom:var(--space-6);line-height:1.2;display:flex}.article-rich-content .arc-h3{font-family:var(--font-sans);font-weight:var(--weight-semibold);font-size:var(--text-md);color:var(--fg-1);margin:var(--space-6) 0 var(--space-2)}.article-rich-content .arc-num{min-width:32px;height:32px;padding:0 var(--space-2);background:var(--cins-blue);color:var(--neutral-0);font-size:var(--text-xs);font-weight:var(--weight-bold);border-radius:var(--radius-xs);letter-spacing:.5px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.article-rich-content p{margin-bottom:var(--space-3);color:var(--fg-3);line-height:1.65}.article-rich-content .arc-list{margin:var(--space-3) 0 var(--space-4);gap:var(--space-2);flex-direction:column;padding:0;list-style:none;display:flex}.article-rich-content .arc-list li{font-size:var(--text-md);color:var(--fg-3);padding-left:16px;line-height:1.65;display:block;position:relative}.article-rich-content .arc-list li:before{content:"–";color:var(--cins-blue);font-weight:var(--weight-semibold);position:absolute;top:0;left:0}.article-rich-content h2.arc-h2[data-arc-section]:before{content:attr(data-arc-section);min-width:32px;height:32px;padding:0 var(--space-2);background:var(--cins-blue);color:var(--neutral-0);font-size:var(--text-xs);font-weight:var(--weight-bold);border-radius:var(--radius-xs);letter-spacing:.5px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.article-rich-content h2.arc-h2>.arc-heading-body{flex:1;min-width:0}.article-rich-content h3.arc-h3[data-arc-section]{align-items:center;gap:var(--space-3);display:flex}.article-rich-content h3.arc-h3[data-arc-section]:before{content:attr(data-arc-section);min-width:28px;height:28px;padding:0 var(--space-2);background:var(--cins-blue);color:var(--neutral-0);font-size:var(--text-xs);font-weight:var(--weight-bold);border-radius:var(--radius-xs);letter-spacing:.5px;flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.article-rich-content h3.arc-h3>.arc-heading-body{flex:1;min-width:0}.article-rich-content img{box-sizing:border-box;border-radius:10px;width:100%;max-width:100%;height:auto;display:block}.article-rich-content [data-youtube-video]{aspect-ratio:16/9;width:100%;max-width:100%;margin:var(--space-6) 0;background:#0f172a;border-radius:10px;position:relative;overflow:hidden}.article-rich-content [data-youtube-video] iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.article-rich-content strong,.article-rich-content b{font-weight:var(--weight-semibold);color:var(--fg-1);display:inline}.article-rich-content em{font-style:italic;display:inline}.article-rich-content .arc-infobox{background:var(--cins-blue-soft);border-left:3px solid var(--cins-blue);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:var(--space-4) var(--space-5);margin:var(--space-6) 0}.article-rich-content .arc-infobox-label{font-size:var(--text-xs);font-weight:var(--weight-bold);color:var(--cins-blue);text-transform:uppercase;letter-spacing:.8px;margin-bottom:var(--space-2);display:block}.article-rich-content .arc-infobox p{font-size:var(--text-sm);color:var(--fg-2);margin:0;line-height:1.6}.article-rich-content .arc-job-item{margin-bottom:var(--space-8)}.article-rich-content .arc-job-item:last-child{margin-bottom:0}.article-rich-content .arc-skill-grid{gap:var(--space-3);margin:var(--space-5) 0;grid-template-columns:repeat(3,1fr);display:grid}.article-rich-content .arc-skill-icon-item{align-items:center;gap:var(--space-2);padding:var(--space-5) var(--space-3);background:var(--neutral-50);border:1px solid var(--border);border-radius:var(--radius-md);text-align:center;flex-direction:column;transition:border-color .15s,box-shadow .15s;display:flex}.article-rich-content .arc-skill-icon-item:hover{border-color:var(--cins-blue);box-shadow:var(--shadow-sm)}.article-rich-content .arc-skill-emoji.arc-skill-ms.material-symbols-outlined{color:var(--cins-blue);flex-shrink:0;display:inline-block;font-variation-settings:"FILL" 0, "wght" 500, "GRAD" 0, "opsz" 32!important;font-size:32px!important;line-height:1!important}.article-rich-content .arc-skill-emoji:not(.arc-skill-ms){font-size:24px;line-height:1;display:inline-block}.article-rich-content .arc-skill-icon-item .arc-skill-label,.article-rich-content .arc-skill-icon-item span:last-child{margin-top:var(--space-1);font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--fg-2);line-height:1.35;display:block}.article-rich-content .arc-skill-icon-item span.arc-skill-emoji+.arc-skill-label{margin-top:var(--space-2)}.article-rich-content .arc-accordion{gap:var(--space-2);margin-top:var(--space-4);flex-direction:column;display:flex}.article-rich-content .arc-card{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);transition:border-color .15s;overflow:hidden}.article-rich-content .arc-card[open]{border-color:var(--cins-blue);box-shadow:var(--shadow-xs)}.article-rich-content .arc-card summary{padding:var(--space-4) var(--space-5);font-family:var(--font-sans);font-size:var(--text-sm);font-weight:var(--weight-semibold);color:var(--fg-1);cursor:pointer;-webkit-user-select:none;user-select:none;line-height:1.4;list-style:none;display:flow-root}.article-rich-content .arc-card summary::-webkit-details-marker{display:none}.article-rich-content .arc-card summary:after{content:"+";float:right;font-size:var(--text-xl);font-weight:var(--weight-regular);color:var(--neutral-400);margin-left:var(--space-4);line-height:1.4;transition:transform .2s}.article-rich-content .arc-card[open] summary{color:var(--cins-blue);border-bottom:1px solid var(--border)}.article-rich-content .arc-card[open] summary:after{content:"−";color:var(--cins-blue)}.article-rich-content .arc-card-body{padding:var(--space-4) var(--space-5);background:var(--neutral-50)}.article-rich-content .arc-card-body p{font-size:var(--text-sm);color:var(--fg-3);margin-bottom:var(--space-3);line-height:1.65}.article-rich-content .arc-card-body p:last-child{margin-bottom:0}.article-rich-content .arc-related-grid{gap:var(--space-3);margin-top:var(--space-5);flex-direction:column;display:flex}.article-rich-content .arc-related-card{align-items:start;gap:var(--space-4);padding:var(--space-5);background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-md);color:inherit;grid-template-columns:48px 1fr auto;text-decoration:none;transition:border-color .15s,box-shadow .15s;display:grid}.article-rich-content .arc-related-card:hover{border-color:var(--cins-blue);box-shadow:var(--shadow-sm)}.article-rich-content .arc-related-icon{border-radius:var(--radius-sm);flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:22px;display:flex}.article-rich-content .arc-related-info{min-width:0}.article-rich-content .arc-related-title{font-size:var(--text-md);font-weight:var(--weight-semibold);color:var(--fg-1);margin-bottom:var(--space-1);display:block}.article-rich-content .arc-related-desc{font-size:var(--text-sm);color:var(--fg-3);margin-bottom:var(--space-2);line-height:1.5;display:block}.article-rich-content .arc-related-note{gap:var(--space-2);background:var(--cins-blue-soft);border-radius:var(--radius-xs);padding:var(--space-2) var(--space-3);font-size:var(--text-xs);color:var(--cins-blue-dark);align-items:flex-start;line-height:1.5;display:flex}.article-rich-content .arc-related-note:before{content:"↔";font-weight:var(--weight-bold);flex-shrink:0}.article-rich-content .arc-related-arrow{font-size:var(--text-lg);color:var(--neutral-300);flex-shrink:0;padding-top:2px;transition:color .15s}.article-rich-content .arc-related-card:hover .arc-related-arrow{color:var(--cins-blue)}.article-rich-content .arc-path{margin-top:var(--space-5);flex-direction:column;display:flex}.article-rich-content .arc-path-step{gap:var(--space-4);padding-bottom:var(--space-8);display:flex;position:relative}.article-rich-content .arc-path-step:not(:last-child):before{content:"";background:var(--border);width:2px;position:absolute;top:34px;bottom:0;left:15px}.article-rich-content .arc-step-num{background:var(--neutral-800);width:32px;height:32px;color:var(--neutral-0);font-size:var(--text-sm);font-weight:var(--weight-bold);z-index:1;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex;position:relative}.article-rich-content .arc-step-body{min-width:0;padding-top:4px}.article-rich-content .arc-step-body strong{font-size:var(--text-md);font-weight:var(--weight-semibold);color:var(--fg-1);margin-bottom:var(--space-2);display:block}.article-rich-content .arc-step-body p{font-size:var(--text-sm);color:var(--fg-3);margin-bottom:var(--space-2);line-height:1.65}.article-rich-content .arc-step-body p:last-child{margin-bottom:0}.article-rich-content .arc-image-block{margin:var(--space-6) 0}.article-rich-content .arc-image-placeholder{background:var(--neutral-100);border:2px dashed var(--neutral-300);border-radius:var(--radius-md);min-height:180px;padding:var(--space-4);justify-content:center;align-items:center;gap:var(--space-2);text-align:center;flex-direction:column;display:flex}.article-rich-content .arc-image-placeholder .arc-img-hint-label{font-size:var(--text-xs);font-weight:var(--weight-semibold);color:var(--neutral-400);text-transform:uppercase;letter-spacing:.8px}.article-rich-content .arc-image-placeholder .arc-img-hint-kw{font-size:var(--text-sm);color:var(--neutral-500);font-style:italic;line-height:1.5}.article-rich-content .arc-image-placeholder--wide{min-height:140px}.article-rich-content .arc-image-caption{font-size:var(--text-xs);color:var(--fg-4);text-align:center;margin-top:var(--space-2);font-style:italic}.article-rich-content .arc-image-grid-2{gap:var(--space-3);grid-template-columns:1fr 1fr;display:grid}.article-rich-content .arc-image-grid-3{gap:var(--space-3);grid-template-columns:1fr 1fr 1fr;display:grid}.article-rich-content .arc-year-block{border-left:3px solid var(--neutral-200);padding:var(--space-2) var(--space-4);margin-bottom:var(--space-3)}@media (max-width:600px){.article-rich-content .arc-skill-grid{grid-template-columns:repeat(2,1fr)}.article-rich-content .arc-related-card{gap:var(--space-3);grid-template-columns:40px 1fr auto}.article-rich-content .arc-image-grid-2,.article-rich-content .arc-image-grid-3{grid-template-columns:1fr}}