.article-page{background:#fff}.article-width{max-width:900px}.article-hero{padding:2.7rem 0 2.3rem;background:radial-gradient(circle at 84% 15%,rgba(211,146,32,.13),transparent 30%),linear-gradient(180deg,#f3f8fa,#fff);border-bottom:1px solid #e1e8eb}.article-hero h1{max-width:900px;margin:.4rem 0 1.15rem;font-family:Georgia,Times New Roman,serif;font-size:clamp(2.1rem,5vw,3.8rem);line-height:1.08;letter-spacing:-.035em;color:#0b3a63}.feature-placeholder{display:grid;place-items:center;aspect-ratio:3/2;margin:0 0 1.2rem;border:1px dashed #b9cbd2;border-radius:18px;background:#f7fafb;color:#718590;font-size:.9rem}.feature-image{margin:0 0 1.2rem}.feature-image img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:18px}.intro{max-width:820px;margin:0;font-size:clamp(1rem,1.7vw,1.16rem);line-height:1.7;color:#566d7b}.disclosure-wrap{margin-top:1.2rem}.article-layout{display:grid;grid-template-columns:minmax(0,760px) 250px;gap:3rem;align-items:start;max-width:1080px;padding-top:2.5rem;padding-bottom:6rem}.article-content{min-width:0;color:#243746}.toc-sidebar{position:sticky;top:110px}.toc{border:1px solid #dce5e9;border-radius:14px;background:#f8fbfc;overflow:hidden}.toc summary{cursor:pointer;list-style:none;display:flex;align-items:center;padding:1rem 1.1rem;font-weight:850;color:#0b3a63}.toc summary::-webkit-details-marker{display:none}.toc summary:after{content:"+";margin-left:auto;color:#d39220;font-size:1.25rem}.toc[open] summary:after{content:"−"}.toc nav{display:flex;flex-direction:column;gap:.35rem;padding:0 1rem 1rem;border-top:1px solid #e2eaed}.toc nav a{padding-top:.45rem;color:#526b79;text-decoration:none;font-size:.84rem;line-height:1.25}.article-content section{scroll-margin-top:115px;margin-bottom:3.4rem}.article-content h2{margin:0 0 1rem;font-family:Georgia,Times New Roman,serif;font-size:clamp(1.75rem,3.2vw,2.5rem);line-height:1.18;letter-spacing:-.02em;color:#0b3a63}.article-content h3{margin:1.6rem 0 .65rem;color:#0b3a63;font-size:1.25rem}.article-content p,.article-content li{font-size:1.02rem;line-height:1.82;color:#405767}.article-content p{margin:0 0 1.1rem}.article-content ul,.article-content ol{margin:0 0 1.3rem;padding-left:1.35rem}.article-content li{margin-bottom:.45rem}.article-content a{color:#0a5968;font-weight:750;text-decoration-color:#0a596859;text-underline-offset:3px}.opening-note,.final-note{padding:clamp(1.4rem,4vw,2.1rem);border-radius:20px;background:linear-gradient(145deg,#f3f8fa,#fff8e9);border:1px solid #dce5e9}.opening-note p:last-child,.final-note p:last-child{margin-bottom:0}.tip-box,.warning-box{margin:1.5rem 0;padding:1.1rem 1.2rem;border-left:4px solid #d39220;border-radius:0 13px 13px 0;background:#fff8e9;color:#405767;line-height:1.7}.warning-box{border-left-color:#a84c3d;background:#fff4f1}.reference-table{display:grid;border:1px solid #dce5e9;border-radius:14px;overflow:hidden;margin:1.2rem 0}.reference-table .row{display:grid;grid-template-columns:1fr 1.25fr 1.35fr}.reference-table .row span{padding:.85rem .9rem;border-bottom:1px solid #e7edef;border-right:1px solid #e7edef;line-height:1.5;color:#405767}.reference-table .row span:last-child{border-right:0}.reference-table .row:last-child span{border-bottom:0}.reference-table .head{background:#0b3a63}.reference-table .head span{color:#fff;font-weight:800}.step-card{margin:1rem 0;padding:1.2rem;border:1px solid #dce5e9;border-radius:14px;background:#fbfdfd}.step-card h3{margin-top:0}.faq-list{display:grid;gap:.75rem}.faq-list details{border:1px solid #dce5e9;border-radius:13px;background:#fff;overflow:hidden}.faq-list summary{cursor:pointer;list-style:none;padding:1rem 1.15rem;font-weight:800;color:#0b3a63}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary:after{content:"+";float:right;color:#d39220;font-size:1.2rem}.faq-list details[open] summary:after{content:"−"}.faq-list details p{padding:0 1.15rem 1rem;margin:0}.final-note{margin-bottom:0!important}@media(max-width:900px){.article-layout{grid-template-columns:1fr}.toc-sidebar{position:static;grid-row:1}.toc nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.25rem 1rem}}@media(max-width:680px){.reference-table .row{grid-template-columns:1fr}.reference-table .head{display:none}.reference-table .row span{border-right:0}.reference-table .row span:first-child{font-weight:800;color:#0b3a63;background:#f8fbfc}}@media(max-width:620px){.article-hero{padding:2.15rem 0 1.9rem}.article-hero h1{font-size:clamp(2rem,10vw,2.75rem)}.feature-placeholder{border-radius:14px}.article-layout{padding-top:1.5rem}.toc nav{grid-template-columns:1fr}.article-content section{margin-bottom:2.7rem}}@media(max-width:680px){.reference-table[data-astro-cid-m5dmngts] .row[data-astro-cid-m5dmngts]:not(.head)>[data-astro-cid-m5dmngts][data-label]:before{content:attr(data-label);display:block;margin-bottom:.25rem;font-size:.78rem;font-weight:800;color:#0b3a63;line-height:1.35}}