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.reference-figure{margin:32px 0;padding:12px;background:#f0f4f0;border:1px solid var(--line);border-radius:14px}.reference-figure img{display:block;width:100%;height:auto}.reference-figure figcaption{font-size:13px;line-height:1.7;color:#445d54;padding:12px 8px 4px}.reference-figure a{display:block}.reference-figure a:hover{opacity:.92}
.illustrated-card{display:grid;grid-template-columns:180px 1fr;gap:22px;margin:18px 0}.illustrated-card>img{width:100%;height:140px;object-fit:cover;border-radius:8px}.illustrated-card h3{font-size:21px;margin-top:12px}.illustrated-card:hover{background:var(--wash)}@media(max-width:600px){.illustrated-card{grid-template-columns:1fr}.illustrated-card>img{height:auto;max-height:270px;object-fit:contain}}
.backup-details{display:grid;grid-template-columns:130px 1fr;gap:14px;padding:22px;background:white;border:1px solid var(--line)}.backup-details dt{font-weight:700}.backup-details dd{margin:0;overflow-wrap:anywhere}@media(max-width:600px){.backup-details{grid-template-columns:1fr;gap:8px}.backup-details dd{margin-bottom:12px}}
.language-switch{display:flex;gap:3px;align-items:center;border:1px solid var(--line);border-radius:5px;padding:3px}.language-switch a{padding:4px 8px;font-size:12px}.language-switch a[aria-current=true]{background:var(--ink);color:white;border-radius:3px}html[lang=en] h1{letter-spacing:-.7px}html[lang=en] .brand a{font-size:22px;letter-spacing:-.4px}@media(max-width:760px){header{gap:15px;flex-wrap:wrap}.header-actions{align-items:center}}
.product-photo{margin:28px 0;background:white;border:1px solid var(--line);padding:24px;text-align:center}.product-photo img{display:block;width:100%;height:280px;object-fit:contain}.product-photo figcaption{font-size:14px;line-height:1.7;color:var(--muted);margin-top:15px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.guide-step{border:1px solid var(--line);background:white;overflow:hidden;border-radius:12px}.guide-panel{position:relative;aspect-ratio:3/2;overflow:hidden}.guide-panel img{position:absolute;width:200%;max-width:none;height:200%;left:0;top:0}.panel-1 img{left:-100%}.panel-2 img{top:-100%}.panel-3 img{left:-100%;top:-100%}.guide-copy{padding:18px}.guide-copy h3{font-size:19px;margin:0 0 12px}.guide-copy h3 span{color:var(--teal)}.guide-copy p{font-size:16px;margin:0;line-height:1.8}.guide-caption{font-size:14px;color:var(--muted)}.visual-guide{margin:36px 0}.product-photo a{overflow-wrap:anywhere}@media(max-width:600px){.guide-grid{grid-template-columns:1fr}.product-photo{padding:15px}.product-photo img{height:220px}}
.section-visual{display:grid;grid-template-columns:minmax(180px,300px) 1fr;gap:24px;align-items:center;margin:24px 0 32px;padding:16px;background:white;border:1px solid var(--line);border-radius:12px}.section-visual-frame{position:relative;aspect-ratio:3/2;overflow:hidden;border-radius:8px}.section-visual-frame img{width:100%;height:100%;object-fit:cover}.section-visual-frame.sheet-cell img{position:absolute;width:200%;max-width:none;height:200%;left:0;top:0}.section-visual-frame.cell-1 img{left:-100%}.section-visual-frame.cell-2 img{top:-100%}.section-visual-frame.cell-3 img{left:-100%;top:-100%}.section-visual figcaption{font-size:16px;line-height:1.7}.section-visual figcaption p{font-size:14px;margin:8px 0 0;color:var(--muted)}@media(max-width:600px){.section-visual{grid-template-columns:1fr;gap:14px}.section-visual-frame{max-height:260px}}

.field-figure{margin:18px 0 24px;max-width:640px;border:1px solid #d5dfdc;border-radius:14px;overflow:hidden;background:#f3f6f4}.field-figure figcaption{padding:12px 16px;font-size:.85rem;line-height:1.7;color:#41565d}

.brief-figure{margin:28px auto;max-width:680px}.brief-figure img{max-width:100%;display:block}.brief-figure .guide-panel img{max-width:none}.brief-figure figcaption{font-size:.85rem;color:var(--muted,#526563);margin-top:10px;line-height:1.6}.brief-list{margin-top:36px}.brief-full{overflow:hidden;border-radius:14px}.article li{margin-bottom:14px}

.article section[id]{scroll-margin-top:24px}.article-toc ol{display:grid;grid-template-columns:1fr 1fr;gap:12px 24px}.article-toc a{font-size:15px}@media(max-width:600px){.article-toc ol{grid-template-columns:1fr}}

/* Amendment comparison, shared KO/EN */
.amendment-summary,.amendment-index{background:#f0f5f2;border:1px solid #c6d8d0;border-radius:16px;padding:24px;margin:24px 0}.amendment-table-wrap{overflow-x:auto}.amendment-summary table{width:100%;border-collapse:collapse;min-width:480px;background:white}.amendment-summary th,.amendment-summary td{padding:14px;text-align:left;border:1px solid #ccdad4;vertical-align:top;line-height:1.7}.amendment-summary thead{background:#174b43;color:white}.amendment-summary tbody th{width:22%}.amendment-links{display:grid;gap:12px}.amendment-links a{padding:12px;background:white;border-radius:8px;text-decoration:underline}@media(max-width:600px){.amendment-summary,.amendment-index{padding:14px}.amendment-summary th,.amendment-summary td{padding:10px}}

/* Local editorial studio: separate actions from the illustration. */
.studio-top{display:grid;grid-template-columns:minmax(240px,1fr) minmax(380px,1.4fr);grid-template-areas:"heading visual" "actions actions";gap:24px 32px;align-items:center;margin-bottom:28px}
.studio-top>.page-heading{grid-area:heading;margin:0;min-width:0}
.studio-top>.section-visual{grid-area:visual;margin:0;min-width:0;grid-template-columns:minmax(150px,220px) minmax(180px,1fr);gap:20px}
.studio-top>.section-visual figcaption{word-break:keep-all;overflow-wrap:break-word}
.studio-actions{grid-area:actions;display:flex;flex-wrap:wrap;gap:12px;align-items:center;min-width:0}
.studio-actions>p{margin:0}.studio-actions a{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:10px 16px;border:1px solid #b8cec5;border-radius:8px;background:#edf4ef;color:var(--teal);font-size:14px;font-weight:600;line-height:1.5;word-break:keep-all;text-decoration:none}
.studio-actions a:hover{background:#dfece3;border-color:var(--teal)}
.studio-actions>.result-count{flex-basis:100%;font-weight:400;margin-top:2px}
@media(max-width:900px){.studio-top{grid-template-columns:1fr;grid-template-areas:"heading" "actions" "visual";gap:20px}.studio-top>.section-visual{grid-template-columns:minmax(150px,240px) minmax(180px,1fr)}}
@media(max-width:520px){.studio-top>.section-visual{grid-template-columns:1fr}.studio-actions{align-items:stretch}.studio-actions>p:not(.result-count),.studio-actions>a{flex:1 1 100%}.studio-actions a{width:100%}.studio-top>.section-visual .section-visual-frame{max-height:230px}}

/* Seven destinations; navigation remains fully visible on small screens. */
.category-grid{grid-template-columns:repeat(4,minmax(0,1fr))}
.category-card{min-width:0}.category-card h2{font-size:21px;word-break:keep-all}
@media(max-width:760px){
 body>nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:4px 6px;overflow:visible;white-space:normal;padding:8px 0;font-size:12px}
 body>nav>a{display:flex;align-items:center;justify-content:center;min-height:44px;text-align:center;line-height:1.4;word-break:keep-all;overflow-wrap:normal;padding:4px 0}
 .category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
 .category-card h2{font-size:19px}
}

/* Shared current-tab treatment: applies to present and future navigation links. */
body>nav a[aria-current="page"]{font-weight:700;color:var(--teal);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}

/* Home destinations track the main menu; new cards flow into the next row. */
.category-grid{grid-template-columns:repeat(auto-fit,minmax(210px,1fr))}.category-card:last-child{grid-column:auto}
@media(max-width:760px){.category-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.category-card{padding:14px 9px;min-height:0}.category-card h2{font-size:16px;line-height:1.45;word-break:keep-all;overflow-wrap:anywhere;margin:8px 0 12px}.category-card p{font-size:12px;line-height:1.6;word-break:normal;overflow-wrap:anywhere}.category-card .num{font-size:15px}.category-card small{font-size:11px}}

.reading-list{display:grid;gap:18px}.reading-card{display:grid;grid-template-columns:210px minmax(0,1fr);gap:24px;align-items:center;margin:0;padding:22px;border-radius:14px;background:white}.reading-card h2{font-size:1.35rem;line-height:1.5;margin:8px 0 10px;overflow-wrap:anywhere}.reading-card p{margin:0 0 12px;line-height:1.75}.reading-category{font-size:.83rem;font-weight:700;color:#376b60}.reading-more{font-size:.9rem;color:#16574b}.reading-thumb{width:100%;aspect-ratio:3/2;border-radius:10px;overflow:hidden;position:relative}.reading-thumb:not(.guide-panel) img{width:100%;height:100%;object-fit:cover}.reading-thumb.guide-panel{aspect-ratio:3/2}.reading-toolbar{display:flex;justify-content:space-between;align-items:center;gap:20px;margin:20px 0}.reading-toolbar label{display:flex;align-items:center;gap:12px}.reading-toolbar input{width:240px;max-width:100%;padding:10px;border:1px solid #b8cbc2;border-radius:8px}.reading-article h1{font-size:clamp(1.75rem,3.3vw,2.55rem);line-height:1.45;word-break:keep-all}.reading-lead{font-size:1.15rem;line-height:1.9;color:#36554f}.reading-section{margin:38px 0}.reading-section p,.reading-example p{line-height:1.95;margin:14px 0}.reading-check,.reading-example{padding:22px 26px;background:#edf4ef;border-left:4px solid #2e7463;border-radius:0 12px 12px 0;margin:25px 0}.reading-check li{padding:6px 0;line-height:1.7}.reading-sources{border-top:1px solid #d1ded6;padding-top:24px;margin-top:36px}.reading-sources li{margin:14px 0}.reading-sources span{display:block;font-size:.85rem;color:#65756e}.reading-scope{font-size:.92rem;color:#56665f;line-height:1.8}.reading-article .amendment-summary{font-size:.94rem}@media(max-width:650px){.reading-card{grid-template-columns:110px minmax(0,1fr);padding:14px;gap:14px;align-items:start}.reading-card h2{font-size:1.08rem}.reading-card p{font-size:.9rem}.reading-toolbar{display:block}.reading-toolbar label{display:block}.reading-toolbar input{display:block;width:100%;margin-top:8px}.reading-check,.reading-example{padding:16px}.reading-card .reading-thumb{margin-top:6px}}@media(max-width:390px){.reading-card{grid-template-columns:1fr}.reading-card .reading-thumb{max-width:100%;aspect-ratio:16/9}}

.incident-photo{margin:28px 0}.incident-photo img{width:100%;height:auto;border-radius:12px}.incident-photo figcaption,.section-citations{font-size:.85rem;line-height:1.65;color:#52665e}.section-citations a{margin-right:8px}
.reading-article .article-toc{display:block;white-space:normal;overflow:visible}.reading-article .article-toc ol{min-width:0}.reading-article .article-toc li{min-width:0;overflow-wrap:anywhere}.incident-photo img{max-height:620px;object-fit:contain}

.reading-table-scroll{overflow-x:auto;margin:1.25rem 0}.reading-table-scroll table{width:100%;border-collapse:collapse;min-width:320px}.reading-table-scroll th,.reading-table-scroll td{padding:.85rem;text-align:left;border-bottom:1px solid #d6dfdc;vertical-align:top}.reading-table-scroll thead th{background:#eaf1ee}.reading-table-scroll tbody th{width:30%;font-weight:600}
.incident-photo img[src*="gx-3rpro.jpeg"]{max-height:380px;object-fit:contain;background:white;width:100%}

/* reader-depth */
.reading-depth{margin:2rem 0;padding:1.5rem 1.6rem;background:#edf3f1;border-left:4px solid #256b62;border-radius:0 12px 12px 0}.reading-depth h2{margin-top:.3rem}.reading-depth p{line-height:1.9}.depth-references{font-size:.85rem;line-height:1.7;overflow-wrap:anywhere}.depth-references a{display:inline-block;margin-right:.5rem}@media(max-width:600px){.reading-depth{padding:1.1rem}.reading-depth h2{font-size:1.25rem}}

.article > table{width:100%;min-width:0;table-layout:fixed}.article > table th,.article > table td{white-space:normal;overflow-wrap:anywhere}.article > table th{width:30%}


.reading-card[hidden],.video-tabs button[hidden]{display:none!important}

/* Technical explainers */
.technical-media{margin:28px 0}.technical-media img{display:block;max-width:100%;height:auto;margin:auto;border-radius:14px}.technical-media figcaption{font-size:.87rem;line-height:1.65;margin:12px 0;color:var(--muted,#526866)}.technical-section{margin:40px 0}.technical-table{overflow-x:auto;margin:22px 0}.technical-table table{width:100%;min-width:480px}.technical-table th,.technical-table td{vertical-align:top}.technical-flow{list-style:none;padding:0;counter-reset:flow;display:grid;gap:14px;margin:28px 0}.technical-flow li{counter-increment:flow;background:#e8f0eb;border-left:4px solid #337766;border-radius:8px;padding:18px 20px;position:relative}.technical-flow li:before{content:counter(flow,decimal-leading-zero) '  ';font-weight:800;color:#206052}.technical-flow li:not(:last-child):after{content:'↓';position:absolute;bottom:-21px;left:50%;color:#206052;z-index:1}.technical-sources{font-size:.85rem}.technical-media img[src*="flame-arrester-element"]{width:374px}.technical-media img[src*="flame-arrester-test"]{width:640px}@media(max-width:640px){.technical-flow li{padding:14px}.technical-media{margin:20px 0}.technical-table table{min-width:440px}}

.search-related{margin-top:2rem;padding-top:1.25rem;border-top:1px solid #cbd8d1}
.search-related ul{padding-left:1.25rem}.search-related li{margin:1rem 0;overflow-wrap:anywhere}.search-related li p{margin:.25rem 0;color:#50646a;font-size:.95rem}

.recent-updates{margin-top:3rem}.section-head{gap:1rem;flex-wrap:wrap}.publication-meta{display:flex;gap:.5rem 1rem;flex-wrap:wrap;color:var(--muted,#526866);font-size:.875rem;margin:1rem 0 1.5rem}.publication-meta time{white-space:nowrap}img[width][height]{height:auto}@media(max-width:640px){body>nav{scrollbar-width:none}body>nav::-webkit-scrollbar{display:none}.section-head h2{margin-bottom:.5rem}.recent-updates{margin-top:2.5rem}}

:root{--ink:#18323b;--paper:#f6f5f0;--teal:#206257}
.preview{display:none!important}

.video-tabs{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:24px 0}.video-tabs > [data-video-id]{flex:1;text-align:left;border:1px solid #c9d6d1;border-radius:12px;padding:18px;background:#fff;color:#18333d;cursor:pointer}.video-tabs > [data-video-id] span{display:block;font-size:12px;letter-spacing:.06em;margin-bottom:7px}.video-tabs > [data-video-id] strong{font-size:18px;line-height:1.5}.video-tabs > [data-video-id][aria-selected=true]{background:#183b38;color:#fff;border-color:#183b38;box-shadow:inset 0 -4px #edba41}.video-tabs > [data-video-id]:focus-visible{outline:3px solid #bf7800;outline-offset:3px}.video-stage{display:grid;grid-template-columns:minmax(180px,30%) minmax(0,1fr);gap:24px;align-items:center;background:radial-gradient(ellipse at 20% 30%,#ffefd0,transparent 65%),linear-gradient(135deg,#e4eee9,#d8e5de);padding:32px;border-radius:20px 20px 0 0;overflow:hidden}.video-presenter{position:relative;align-self:end;text-align:center}.video-presenter img{display:block;width:100%;height:auto;max-height:500px;object-fit:contain}.video-presenter span{display:inline-block;color:#205349;font-size:12px;letter-spacing:.12em;margin-top:10px}.video-screen{min-width:0;display:flex;justify-content:center}.video-player{width:100%;background:#101817;border:5px solid #fff;border-radius:12px;overflow:hidden;box-shadow:0 12px 32px #143d3426}.video-player iframe{display:block;width:100%;height:100%;border:0;min-height:200px}.is-short .video-player{max-width:304px}.video-description{background:#f0f6ef;padding:28px 36px;border:1px solid #d8e5d7;border-top:4px solid #a7c39a;border-radius:0 0 20px 20px;margin-bottom:40px}.video-description h2{margin:8px 0 14px;font-size:28px}.video-description h3{font-size:18px;margin-top:24px}.video-description p,.video-description li{line-height:1.8}.video-topic{font-size:13px;color:#436453;margin:0}.video-description ul{padding-left:24px}.video-question{padding:18px 22px;border-left:4px solid #527f65;background:#fff;margin-top:24px}.video-question p{margin:6px 0 0}.video-source,.video-fallback,.video-note{font-size:14px}.video-source{margin-top:24px}.video-fallback{color:#52656c}.video-note{padding:14px;background:#fff9e9}@media(max-width:640px){.video-tabs{grid-template-columns:1fr}.video-stage{grid-template-columns:1fr;padding:18px;gap:12px}.video-presenter{display:flex;align-items:center;justify-content:center;gap:16px}.video-presenter img{width:95px;max-height:140px}.video-description{padding:22px 18px}.video-description h2{font-size:23px}.video-player iframe{min-height:0}.is-short .video-player{max-width:280px}}

.video-play{position:relative;width:100%;height:100%;display:block;border:0;padding:0;background:#101817;cursor:pointer;min-height:200px}.video-play img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.video-play span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);white-space:nowrap;padding:14px 24px;border-radius:30px;background:#ae211e;color:white;font-weight:700;box-shadow:0 2px 15px #0006}.video-play:focus-visible{outline:4px solid #efbe48;outline-offset:-5px}

.video-tabs > #video-panel{min-width:0;width:100%;grid-column:1/-1}.video-tabs > [hidden]{display:none!important}@media(max-width:640px){.video-tabs > #video-panel{margin:0 0 12px}.video-tabs .video-description{margin-bottom:0}.video-tabs > [data-video-id]{scroll-margin-top:16px}}

#analytics-choice{position:fixed;bottom:16px;left:16px;right:16px;max-width:650px;margin:auto;z-index:10000;background:#fff;color:#17383c;border:1px solid #6a8883;border-radius:12px;padding:18px;box-shadow:0 6px 32px #0003;font-size:16px;line-height:1.5}#analytics-choice p{margin:8px 0 14px}#analytics-choice div{display:flex;flex-wrap:wrap;gap:12px;align-items:center}#analytics-choice button{border:1px solid #17383c;border-radius:6px;background:#fff;color:#17383c;padding:9px 16px;font:inherit;cursor:pointer}#analytics-choice button:first-child{background:#17383c;color:#fff}.analytics-settings{background:none;border:0;color:inherit;font:inherit;text-decoration:underline;cursor:pointer;padding:0}#analytics-choice button:focus-visible,.analytics-settings:focus-visible{outline:3px solid #b57800;outline-offset:3px}

.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.list-pagination{display:flex!important;justify-content:center!important;align-items:center;flex-wrap:nowrap!important;gap:6px!important;border-top:1px solid #ccd8d1;margin:28px 0 36px;padding:18px 0 0}.list-pagination[hidden]{display:none!important}.list-pagination>a,.list-pagination>button,.list-pagination>[aria-disabled]{box-sizing:border-box;display:inline-flex;justify-content:center;align-items:center;gap:4px;min-width:44px;min-height:44px;margin:0;padding:6px 10px;border:1px solid #b9cec7;border-radius:6px;background:#fff;color:#183b38;font:inherit;text-decoration:none!important;white-space:nowrap;cursor:pointer}.list-pagination>[aria-current="page"]{background:#183b38;color:#fff}.list-pagination>[aria-disabled="true"]{opacity:.45;cursor:default}.list-pagination :focus-visible{outline:3px solid #bf7800;outline-offset:2px}.list-pagination>.page-gap{padding:0 2px}.list-tools{display:grid!important;grid-template-columns:minmax(220px,1fr) repeat(3,minmax(0,auto)) auto auto;gap:8px!important;align-items:center;margin:24px 0 10px!important}.list-tools label{display:block!important;min-width:0}.list-tools input,.list-tools select,.list-tools button{height:44px;box-sizing:border-box;width:100%;min-width:0;border:1px solid #b9cec7;border-radius:6px;padding:8px;background:white;color:#183b38;font:inherit}.list-tools select{max-width:190px}.list-tools [type=submit]{background:#183b38;color:white}.list-tools-search{grid-column:auto}.list-tools [type=reset]{white-space:nowrap}
@media(max-width:899px){.list-tools{grid-template-columns:repeat(3,minmax(0,1fr)) auto!important}.list-tools-search{grid-column:1/4;grid-row:1}.list-tools [type=submit]{grid-column:4;grid-row:1}.list-tools select{max-width:none}.list-tools [type=reset]{grid-column:4;grid-row:2}}
@media(max-width:599px){.list-tools{grid-template-columns:minmax(0,1fr) minmax(0,1fr)!important}.list-tools-search{grid-column:1;grid-row:1}.list-tools [type=submit]{grid-column:2;grid-row:1}.list-tools [type=reset]{grid-column:auto;grid-row:auto}.list-pagination{gap:3px!important}.list-pagination>a,.list-pagination>button,.list-pagination>[aria-disabled]{min-width:36px;min-height:36px;padding:4px}.list-pagination .page-direction-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.list-pagination>.page-gap{padding:0;font-size:12px}}

body{padding-bottom:var(--consent-bottom-space,0px)}
@media(min-width:900px){
 #analytics-choice{max-width:1200px;padding:10px 14px;font-size:14px;line-height:1.4;display:grid;grid-template-columns:minmax(0,1fr) auto;column-gap:20px;align-items:center}
 #analytics-choice strong{grid-column:1;grid-row:1}
 #analytics-choice p{grid-column:1;grid-row:2;margin:4px 0 0}
 #analytics-choice div{grid-column:2;grid-row:1/3;gap:8px;flex-wrap:nowrap}
 #analytics-choice button{padding:8px 12px}
}
@media(min-width:761px) and (max-width:1100px){
 html[lang="en"] body>nav[aria-label="Main navigation"],html[lang="en"] body>nav[aria-label="주 메뉴"]{flex-wrap:wrap;row-gap:8px}
}

.evidence-label{display:inline-block;font-size:.78em;font-weight:600;color:#416860;border:1px solid #c7d6d2;border-radius:3px;padding:2px 6px;margin-right:4px}
.evidence-label{display:inline-block;font-size:.78em;font-weight:600;color:#416860;border:1px solid #c7d6d2;border-radius:3px;padding:2px 6px;margin-right:4px}