/* Local editorial system. No inline legacy theme, Tailwind runtime or icon-font dependency. */
.quality-interior{background:#f3f6fb;color:#172e50;font-family:'Segoe UI',Arial,sans-serif}
.quality-interior main{width:min(calc(100% - 64px),1180px);margin:auto;padding:26px 0 58px;min-width:0}
.breadcrumbs{display:flex;gap:10px;align-items:center;flex-wrap:wrap;color:#576e8c;font-size:13px;margin-bottom:24px}
.breadcrumbs a{display:inline-flex;align-items:center;min-height:40px;color:#155fae}.breadcrumbs a:hover{text-decoration:underline;text-underline-offset:4px}
.editorial-intro{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(240px,.65fr);gap:42px;align-items:center;padding:8px 0 30px;margin-bottom:30px;border-bottom:1px solid #cad8e9}
.intro-copy{min-width:0}.intro-copy>div:first-child{display:flex;align-items:center;gap:12px;flex-wrap:wrap;font-size:12px;color:#526c8a}
.intro-copy>div:first-child>span{max-width:100%;font-size:12px;line-height:1.55}.intro-copy>div:first-child>span:first-child{background:#e5effd;color:#145b9f;border:1px solid #b7cfea;border-radius:99px;padding:6px 10px}
.intro-copy h1,.knowledge-intro h1{font-size:clamp(30px,3.2vw,44px);line-height:1.18;letter-spacing:-.035em;color:#102e57;margin:14px 0 0;font-weight:720;max-width:31ch}
.intro-copy>p{font-size:16px;line-height:1.75;color:#4d6380;margin-top:16px;max-width:65ch}.intro-art{margin:0;border-radius:16px;background:linear-gradient(130deg,#102b57,#12518b);border:1px solid #a9c8eb;padding:18px;min-width:0}
.intro-art img{display:block;width:100%;height:180px;object-fit:contain;max-width:100%;border-radius:0;opacity:1}
.article-context{font-size:14px;margin-top:12px;color:#4d6380}.article-context summary{cursor:pointer;min-height:42px;display:flex;align-items:center;color:#125da8;font-weight:600;gap:8px}.article-context summary::after{content:'+'}.article-context[open] summary::after{content:'−'}.article-context p{font-size:14px;line-height:1.7;margin-top:10px}
.reading-shell{display:grid;grid-template-columns:minmax(0,1fr) 230px;grid-template-areas:'content outline';gap:36px;align-items:start}
.reading-outline{grid-area:outline;position:sticky;top:calc(var(--header-height) + 18px);min-width:0;border:1px solid #c5d6eb;border-radius:12px;background:#edf4fe}
.reading-outline-details{max-height:calc(100dvh - var(--header-height) - 36px);overflow:auto;scrollbar-gutter:stable;overscroll-behavior:contain;padding:14px 16px}
.reading-outline-details>summary{font-size:13px;font-weight:650;line-height:1.5;cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:10px;color:#174b83;list-style:none}
.reading-outline-details>summary::after{content:'+';font-size:20px}.reading-outline-details[open]>summary::after{content:'−'}
.reading-index{margin:0;padding:0}.reading-index>strong{display:none}.reading-index ol{list-style:none;padding:0;margin:10px 0 0}
.reading-index a{display:block;padding:9px 0;min-height:36px;font-size:13px;line-height:1.5;color:#345575;border-bottom:1px solid #d4e2f2;overflow-wrap:break-word}.reading-index a:hover,.reading-index a[aria-current]{color:#075ab1}.reading-index a[aria-current]{font-weight:650}
.article-content{grid-area:content;min-width:0;color:#263e5e;font-size:16px;line-height:1.8}
.article-content>article,.article-content>div,.article-content>section{min-width:0}.article-content article>section,.article-content>section{margin:0 0 26px}
.article-content h2{font-size:clamp(23px,2.2vw,30px);line-height:1.28;color:#163b69;letter-spacing:-.025em;font-weight:680}
.article-content h3{font-size:21px;line-height:1.35;letter-spacing:-.02em;color:#174471}.article-content h4{font-size:17px;color:#244d77}
.article-content p,.article-content li{line-height:1.8}.article-content p{margin-top:12px}.article-content p:first-child{margin-top:0}.article-content a{color:#075db7}.article-content a:hover{text-decoration:underline;text-underline-offset:4px}
.reading-section{border:1px solid #c7d7ea;border-radius:15px;background:#fff;padding:28px;min-width:0}.reading-section h2[class*="text-xs"]{font-size:14px;letter-spacing:.04em}
.technical-note,.concept-note,.key-difference{padding:18px 20px;margin-top:18px;border-radius:9px;border:1px solid #c1d7f1;border-left:3px solid #2478cd;background:#edf5ff;color:#294e75}
.key-difference{border-left-color:#a22b38}.audit-card,.concept-card{border:1px solid #cad8ea;border-radius:12px;padding:20px;background:#fff;min-width:0}
.number-badge{width:30px;height:30px;border-radius:50%;background:#075db7;color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:13px;font-weight:650;flex-shrink:0}
.pdu-badge{display:inline-flex;padding:4px 9px;font-size:12px;font-weight:600;border:1px solid #bdd4ef;border-radius:6px;background:#eaf3ff;color:#185ca2}
.inline-icon{display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;width:18px;min-height:18px;color:#126bc1;font-size:15px}
.article-content table{border-collapse:collapse;min-width:620px;width:100%;font-size:14px;background:#fff}.article-content th{color:#154f91;background:#e7f0fc;font-weight:650;text-align:left;line-height:1.5}
.article-content td{font-size:14px;line-height:1.65;vertical-align:top}.article-content th,.article-content td{padding:13px;border-bottom:1px solid #d5e0ed}
.article-content .overflow-x-auto{border:1px solid #c7d8ec;border-radius:10px;scrollbar-gutter:stable;overscroll-behavior:contain}.article-content .overflow-x-auto:focus-visible{outline:3px solid #1980eb;outline-offset:3px}
.article-content pre,.article-content .code-box{font:13px/1.7 Consolas,'Courier New',monospace;background:#0b1c38;color:#dcecff;border:1px solid #315781;border-radius:12px;padding:22px;max-width:100%;overflow-x:auto;white-space:pre;tab-size:4}
.article-content pre code{font:inherit;color:#bbddff}.article-content code{font-family:Consolas,monospace;font-size:.9em;color:#145791}
.math-display{background:#eaf3ff;border:1px solid #aac9eb;border-left:3px solid #2478cd;border-radius:9px;padding:20px;font-family:'Cambria Math','DejaVu Math TeX Gyre',Georgia,serif;display:flex;align-items:center;justify-content:center;font-size:18px;color:#154c8b;overflow-x:auto;max-width:100%}
.frac{display:inline-flex;flex-direction:column;vertical-align:middle;text-align:center;padding:0 4px;font-size:.95em}.frac-num{border-bottom:1.5px solid #366399;padding-bottom:2px}.frac-den{padding-top:2px}.radicand{border-top:1.5px solid #366399;padding:2px 4px 0 2px;display:inline-flex;align-items:center}.var{font-style:italic;padding:0 1px}
.article-content img{max-width:100%;height:auto}.article-content nav{display:flex;align-items:center;flex-wrap:wrap;gap:12px 24px;border-top:1px solid #c7d8ec;padding-top:16px}.article-content nav a{display:inline-flex;gap:8px;align-items:center;min-height:44px;font-size:14px}
.knowledge-intro{padding:10px 0 26px;border-bottom:1px solid #c7d8ea;margin-bottom:26px}.knowledge-intro>span{font-size:12px;font-weight:600;color:#21629f;letter-spacing:.08em}.knowledge-intro h1{max-width:30ch}.knowledge-intro p{font-size:16px;color:#506784;line-height:1.75;max-width:70ch;margin-top:14px}
.knowledge-filters{display:grid;grid-template-columns:170px minmax(200px,1fr);align-items:center;gap:12px 18px;margin-bottom:28px}.knowledge-filters>label{font-size:14px;font-weight:650}.knowledge-filters>input{font:inherit;min-height:48px;width:100%;padding:10px 14px;background:#fff;color:#18385d;border:1px solid #a8bfdc;border-radius:8px}.category-filters{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}.category-filters button{min-height:42px;padding:9px 15px;border:1px solid #bbd0ea;background:#fff;border-radius:8px;color:#234c7a;font-size:13px}.category-filters button[aria-pressed=true]{background:#0c62c6;border-color:#0c62c6;color:#fff}.knowledge-filters>p{grid-column:1/-1;font-size:13px;color:#536b88;margin:0}
.knowledge-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.knowledge-card{display:flex;flex-direction:column;min-width:0;background:#fff;border:1px solid #c5d6eb;border-radius:15px;overflow:hidden;transition:transform .2s,border-color .2s}
.knowledge-card:hover{border-color:#7cafe7;transform:translateY(-2px)}.knowledge-visual{position:relative;background:linear-gradient(135deg,#102b57,#14508a);height:180px;overflow:hidden;min-width:0}.knowledge-visual img{display:block;object-fit:contain;width:100%;height:100%;padding:20px;opacity:1}
.knowledge-visual>span{position:absolute;top:13px;left:13px;max-width:calc(100% - 26px);background:#eaf3ff;color:#15599a;font-size:12px;padding:4px 8px;border-radius:5px;line-height:1.5}
.knowledge-copy{padding:22px;flex:1}.knowledge-copy>span{font-size:12px;color:#5a728f}.knowledge-copy h2{font-size:23px;line-height:1.25;color:#153c6c;letter-spacing:-.025em;margin-top:9px}.knowledge-copy h2 a:hover{color:#075db7}.knowledge-copy p{font-size:14px;line-height:1.75;color:#4e6682;margin-top:12px}
.knowledge-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 22px;border-top:1px solid #d5e1ef;color:#5a718c;font-size:12px}.knowledge-meta a{display:inline-flex;align-items:center;gap:7px;min-height:44px;color:#075db7;font-weight:600;font-size:13px}
.knowledge-card.is-featured{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr)}.knowledge-card.is-featured .knowledge-visual{grid-row:1/3;height:100%;min-height:290px}.knowledge-card.is-featured .knowledge-copy{padding:28px 30px}.knowledge-card.is-featured h2{font-size:30px}.knowledge-card.is-featured .knowledge-meta{grid-column:2;padding-inline:30px}
.knowledge-card.is-wide{grid-column:span 2;display:grid;grid-template-columns:200px minmax(0,1fr)}.knowledge-card.is-wide .knowledge-visual{grid-row:1/3;height:100%;min-height:260px}.knowledge-card.is-wide .knowledge-meta{grid-column:2}
@media(max-width:1149px){.reading-shell{grid-template-columns:minmax(0,1fr);grid-template-areas:'outline' 'content';gap:24px}.reading-outline{position:static}.reading-outline-details{max-height:none;overflow:visible;padding:6px 18px}.reading-index ol{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}.editorial-intro{gap:28px;grid-template-columns:minmax(0,1fr) 260px}.knowledge-list{grid-template-columns:1fr 1fr}.knowledge-card.is-featured,.knowledge-card.is-wide{grid-column:1/-1}}
@media(max-width:760px){.quality-interior main{width:calc(100% - 32px);padding:18px 0 40px}.breadcrumbs{font-size:12px;gap:8px;margin-bottom:18px}.editorial-intro{grid-template-columns:minmax(0,1fr);gap:22px;padding-bottom:24px;margin-bottom:22px}.intro-copy h1,.knowledge-intro h1{font-size:clamp(30px,7.4vw,38px)}.intro-copy>p{font-size:15px;line-height:1.8}.intro-art{padding:12px}.intro-art img{height:140px}.reading-index ol{grid-template-columns:1fr}.reading-index a{min-height:42px}.article-content{font-size:15px}.article-content h2{font-size:25px}.article-content h3{font-size:21px}.reading-section{padding:20px;border-radius:12px}.article-content article>section,.article-content>section{margin-bottom:22px}.technical-note,.concept-note,.key-difference{padding:16px}.article-content pre{padding:16px;font-size:12px}.knowledge-filters{grid-template-columns:1fr;gap:10px}.knowledge-filters>input{min-width:0}.knowledge-list{grid-template-columns:minmax(0,1fr);gap:18px}.knowledge-card.is-featured,.knowledge-card.is-wide{display:flex;grid-column:auto}.knowledge-card.is-featured .knowledge-visual,.knowledge-card.is-wide .knowledge-visual{height:180px;min-height:0}.knowledge-card.is-featured .knowledge-copy,.knowledge-card.is-featured .knowledge-meta{padding:20px}.knowledge-card.is-featured h2{font-size:25px}.knowledge-copy{padding:20px}.knowledge-copy h2{font-size:23px}.knowledge-meta{padding:12px 20px}}
@media(prefers-reduced-motion:reduce){.knowledge-card{transition:none;transform:none!important}}
.category-filters button{min-height:44px}.math-display{justify-content:safe center}.quality-interior h1,.quality-interior h2{overflow-wrap:break-word}.article-content a,.article-content :not(pre)>code{overflow-wrap:anywhere}
@media(min-width:1150px){.knowledge-filters{grid-template-columns:155px minmax(220px,1fr) auto;gap:10px 16px}.category-filters{grid-column:auto}.knowledge-filters>p{grid-column:1/-1}.knowledge-intro{padding-top:0;padding-bottom:20px;margin-bottom:20px}.knowledge-page .breadcrumbs{margin-bottom:16px}}
.diagram-expand{display:inline-flex;align-items:center;min-height:44px;padding:8px 12px;font-size:12px;color:#eff6ff;text-decoration:underline;text-underline-offset:3px}.knowledge-visual{height:auto;min-height:240px;display:flex;flex-direction:column;justify-content:center}.knowledge-visual img{aspect-ratio:5/3;height:auto!important;padding:12px!important;max-height:none!important}.knowledge-visual>span{display:none}.knowledge-visual .diagram-expand{align-self:end;margin:0 10px 6px}.intro-art img{height:auto!important;aspect-ratio:5/3;object-fit:contain}.intro-art .diagram-expand{padding-bottom:0}.knowledge-card.is-wide{grid-template-columns:minmax(250px,.8fr) minmax(0,1fr)}.knowledge-card.is-featured .knowledge-visual,.knowledge-card.is-wide .knowledge-visual{height:auto;min-height:240px}
@media(max-width:760px){.knowledge-card.is-featured .knowledge-visual,.knowledge-card.is-wide .knowledge-visual{height:auto;min-height:0}.knowledge-visual{min-height:0}.knowledge-visual img{width:100%;max-height:none}.quality-interior main>.mobile-language-bar{margin-top:-18px}.editorial-intro .article-language-note{margin-bottom:0!important}}