.knowledge-article{color:#172019;background:#f8f8f4}.article-shell{width:min(1120px,100% - 48px);margin:auto}.article-hero{background:linear-gradient(135deg,#f8f8f4,#edf6f1);padding:56px 0 46px}.breadcrumbs{color:#718078;flex-wrap:wrap;align-items:center;gap:8px;font-size:.78rem;display:flex}.breadcrumbs a{color:#168447;text-decoration:none}.article-meta{flex-wrap:wrap;gap:8px;margin-top:34px;display:flex}.article-meta span{color:#526158;background:#fff;border:1px solid #dce6df;border-radius:999px;padding:7px 10px;font-size:.72rem;font-weight:800}.article-hero h1{color:#08284a;letter-spacing:-.05em;max-width:960px;margin:16px 0 18px;font-size:clamp(2.7rem,5.8vw,5.4rem);line-height:.98}.article-lead{color:#59675e;max-width:820px;margin:0;font-size:1.12rem;line-height:1.7}.article-layout{grid-template-columns:230px minmax(0,1fr);align-items:start;gap:54px;padding-top:56px;padding-bottom:92px;display:grid}.article-aside{position:sticky;top:94px}.toc-card{background:#fff;border:1px solid #dfe6e0;border-radius:18px;max-height:70vh;padding:18px;overflow:auto}.toc-card>strong{color:#08284a;margin-bottom:10px;font-size:.86rem;display:block}#article-toc{gap:3px;display:grid}#article-toc a{color:#65736a;padding:6px 0;font-size:.78rem;line-height:1.35;text-decoration:none}#article-toc a:hover{color:#168447}#article-toc a.toc-sub{padding-left:12px;font-size:.74rem}.article-main{min-width:0}.knowledge-article .content{color:#303a33;font-size:1.08rem;line-height:1.78}.knowledge-article .content>p:first-child{font-size:1.14rem}.knowledge-article .content h2{color:#08284a;letter-spacing:-.025em;margin:2.25em 0 .75em;scroll-margin-top:100px;font-size:clamp(1.7rem,3vw,2.45rem);line-height:1.14}.knowledge-article .content h3{color:#0b3b58;margin:1.8em 0 .65em;scroll-margin-top:100px;font-size:1.32rem;line-height:1.25}.knowledge-article .content p{margin:0 0 1.15em}.knowledge-article .content ul,.knowledge-article .content ol{padding-left:1.4em}.knowledge-article .content li{margin:.45em 0}.knowledge-article .content img{border-radius:18px;max-width:100%;height:auto}.knowledge-article .content a{color:#168447;overflow-wrap:anywhere}.knowledge-article .content blockquote{color:#415149;background:#eef7f2;border-left:4px solid #168447;border-radius:0 14px 14px 0;margin:1.8em 0;padding:18px 22px}.knowledge-article .content table{border-collapse:collapse;background:#fff;width:100%;display:block;overflow:auto}.knowledge-article .content td,.knowledge-article .content th{text-align:left;border:1px solid #dfe3dc;padding:10px}.education-note{background:#fff;border:1px solid #d7e2da;border-radius:18px;margin-top:42px;padding:20px}.pillar-return{color:#168447;margin-top:26px;font-weight:900;text-decoration:none;display:inline-flex}.education-note strong{color:#08284a}.education-note p{color:#65736a;margin:7px 0 0;font-size:.9rem;line-height:1.6}.article-product-cta{color:#fff;background:#08284a;border-radius:22px;justify-content:space-between;align-items:center;gap:30px;margin-top:28px;padding:28px;display:flex}.article-product-cta span{color:#8ad2aa;text-transform:uppercase;letter-spacing:.11em;font-size:.7rem;font-weight:900}.article-product-cta h2{color:#fff;margin:7px 0 8px;font-size:1.8rem}.article-product-cta p{color:#ffffffbd;max-width:620px;margin:0;font-size:.9rem;line-height:1.55}.article-product-cta a{color:#08284a;background:#f4b400;border-radius:999px;flex:none;padding:13px 18px;font-weight:900;text-decoration:none}.related-section{border-top:1px solid #dbe3dc;margin-top:58px;padding-top:34px}.related-head span{color:#168447;text-transform:uppercase;letter-spacing:.11em;font-size:.72rem;font-weight:900}.related-head h2{color:#08284a;margin:7px 0 22px;font-size:2rem}.related-grid{grid-template-columns:repeat(3,1fr);gap:12px;display:grid}.related-grid a{min-height:220px;color:inherit;background:#fff;border:1px solid #dfe6e0;border-radius:16px;flex-direction:column;padding:18px;text-decoration:none;display:flex}.related-grid small{color:#168447;font-weight:800}.related-grid h3{color:#08284a;margin:10px 0 8px;font-size:1.05rem;line-height:1.2}.related-grid p{color:#68756d;margin:0;font-size:.82rem;line-height:1.5}.related-grid a>span{color:#168447;margin-top:auto;padding-top:14px;font-size:.8rem;font-weight:900}@media (width<=900px){.article-layout{grid-template-columns:1fr}.article-aside{position:static}.toc-card{max-width:none}.related-grid{grid-template-columns:1fr 1fr}}@media (width<=640px){.article-shell{width:min(100% - 32px,1120px)}.article-hero{padding:40px 0 36px}.article-layout{gap:26px;padding-top:30px;padding-bottom:70px}.article-aside{order:0}.toc-card{max-height:240px;padding:16px}.knowledge-article .content{font-size:1rem;line-height:1.72}.article-product-cta{flex-direction:column;align-items:flex-start;padding:22px}.article-product-cta a{text-align:center;width:100%}.related-grid{grid-template-columns:1fr}.related-grid a{min-height:180px}}