:root{--ink:#173b37;--muted:#67736f;--green:#216457;--paper:#f7f8f2;--line:#e1e7de;--yellow:#f4ce65}
*{box-sizing:border-box}body.t10{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;text-align:left}a{color:var(--green)}a:hover{color:#123f34;text-decoration:none}a:focus-visible,summary:focus-visible,button:focus-visible{outline:3px solid #b98315;outline-offset:4px}img{max-width:100%;height:auto}iframe{max-width:100%}.container{max-width:1240px}.site-header{background:#fff;border-bottom:1px solid var(--line)}.header-inner{height:78px;display:flex;align-items:center;gap:24px}.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-size:25px;font-weight:800;letter-spacing:-1px;white-space:nowrap}.brand-icon{display:grid;place-items:center;width:39px;height:39px;border-radius:13px;background:var(--yellow);font-size:32px;line-height:1}.brand-dot{color:#d39524}.brand-note{color:var(--muted);font-size:13px}.site-menu{margin-left:auto;position:relative}.site-menu>summary{cursor:pointer;font-size:14px;font-weight:600;list-style:none;padding:8px 12px;border:1px solid var(--line);border-radius:8px}.site-menu>summary::-webkit-details-marker{display:none}.site-menu nav{position:absolute;z-index:20;right:0;top:48px;width:min(320px,85vw);max-height:70vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px;box-shadow:0 16px 40px #173b3717}.site-menu nav a{display:block;padding:8px 10px;font-size:14px}.menu-children{padding-left:12px;border-left:2px solid var(--line)}.site-body{padding-top:28px}.reading-layout{display:grid;grid-template-columns:minmax(0,1fr) 285px;gap:30px;align-items:start}.reading-main,.reading-sidebar{min-width:0}.reader-heading h1{font-size:21px;letter-spacing:-.5px;margin:3px 0 17px;font-weight:700}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.5px;color:var(--muted)}.reader-toolbar{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:18px}.reading-tabs{display:flex;gap:3px;background:#e9ede5;padding:4px;border-radius:10px}.reading-tabs a{font-size:13px;padding:6px 13px;border-radius:7px;color:#52645e;font-weight:600;white-space:nowrap}.reading-tabs .active{background:#fff;color:var(--ink);box-shadow:0 1px 4px #173b3712}.next-story{display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--green);color:#fff!important;border-radius:9px;padding:9px 16px;font-size:13px;font-weight:600;white-space:nowrap}.next-story:hover{background:#174b40}.story-card{background:#fff;border:1px solid var(--line);border-radius:17px;padding:30px 34px;margin-bottom:22px;box-shadow:0 5px 18px #173b3703}.story-kicker{display:flex;align-items:center;gap:7px;font-size:10px;font-weight:700;color:var(--muted);letter-spacing:1.2px}.status-dot{width:6px;height:6px;border-radius:50%;background:#d1a13d}.story-title{font-size:30px;line-height:1.3;letter-spacing:-.7px;margin:12px 0 22px;font-weight:750}.story-title a{color:var(--ink)}.language-label{display:block;font-size:10px;letter-spacing:1.2px;font-weight:700;color:var(--muted);margin-bottom:12px}.story-copy{font-size:18px;line-height:1.85;color:#31443e;overflow-wrap:anywhere;display:flow-root}.story-copy p{margin:0 0 14px}.story-copy p:empty,.story-copy p:has(>br:only-child){display:none}.story-copy img{max-width:100%!important;height:auto!important}.story-copy iframe{max-width:100%}.story-copy h1,.story-copy h2{font-size:23px;margin:20px 0 12px}.story-translation{margin-top:24px;padding:18px 22px;background:#f3f6ef;border:1px solid #e4eadd;border-radius:12px}.story-translation summary{cursor:pointer;font-size:14px;font-weight:700}.story-translation summary span{float:right;font-size:11px;font-weight:400;color:var(--muted)}.story-translation h3{font-size:20px;margin:15px 0}.story-translation .story-copy{font-size:17px}.translation-pending{font-size:13px;color:var(--muted);margin:20px 0 0;border-top:1px dashed var(--line);padding-top:14px}.story-footer{margin-top:24px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:13px}.story-image{display:block;max-height:300px;object-fit:contain;margin:20px auto}.reading-sidebar>div,.reading-sidebar>section,.reading-sidebar>details{margin-bottom:18px}.tags,.documents,.videoitem,.affiliate-card{padding:21px;background:#fff;border:1px solid var(--line);border-radius:14px}.reading-sidebar{padding-top:8px;font-size:14px}.tag_head,.documents h2,.affiliate-card h2{font-size:17px;font-weight:700;margin:0 0 15px;padding:0}.tags_links{padding:0;margin:0;list-style:none;display:flex;gap:7px;flex-wrap:wrap}.tags_links li{display:block}.tags_links a{display:block;padding:4px 9px;background:#f2f5ee;border:1px solid #e9ede3;border-radius:7px;font-size:12px}.tags summary{cursor:pointer;font-size:16px;font-weight:700}.tags[open] summary{margin-bottom:14px}.resource-item{display:flex;align-items:flex-start;gap:12px;padding:13px 0;border-bottom:1px solid var(--line)}.resource-item:last-child{border-bottom:0;padding-bottom:0}.resource-number{color:#a9b7ac;font-size:12px;font-weight:600;padding-top:2px}.resource-item h3{font-size:14px;line-height:1.6;margin:0;font-weight:600}.resource-note{font-size:12px;color:var(--muted);margin:0 0 5px}.documents-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.document-card{padding:20px;background:#fff;border:1px solid var(--line);border-radius:14px}.document-card img{height:160px;object-fit:contain;display:block;margin:0 auto 16px}.document-card h2{font-size:18px;line-height:1.5}.document-card p{font-size:14px;color:var(--muted)}.reading-sidebar .documents-grid{grid-template-columns:1fr}.reading-sidebar .document-card img{height:90px}.videoitem{margin-bottom:18px;overflow:hidden}.videoitem iframe{width:100%;height:auto;aspect-ratio:16/9}.videoitem a{font-size:14px;display:block;margin-top:12px}.videoitem p{font-size:13px}.affiliate-card{background:#f9edc9;border-color:#eedca6}.affiliate-label{display:block;letter-spacing:1px;font-size:10px;font-weight:700;margin-bottom:9px}.affiliate-card p{font-size:13px}.affiliate-card iframe{border:0;width:100%;height:250px}.reader-pagination{display:flex;justify-content:center;gap:24px;margin:25px 0;font-size:14px}.empty-state{padding:35px;background:#fff;border:1px solid var(--line);border-radius:16px}.site-footer{border-top:1px solid var(--line);margin-top:40px;padding:25px 0;color:var(--muted);font-size:13px}.footer-note{margin:12px 0 4px}.footer-copyright{font-size:12px}.supplementary{margin-top:24px}.supplementary:empty{display:none}.site-footer ul{padding:0;list-style:none;display:flex;gap:18px;flex-wrap:wrap}.site-footer h1,.site-footer h2{font-size:18px}.sty_date{list-style:none;display:flex;flex-wrap:wrap;gap:16px;padding:15px 0;font-size:12px;color:var(--muted);border-top:1px solid var(--line)}.clear{clear:both}.svg-inline--fa{width:14px}.breadcrumb{background:transparent;padding:0;font-size:13px}.skip-link{position:absolute;left:16px;top:-100px;z-index:100;background:#fff;padding:10px}.skip-link:focus{top:8px}.article-page h1{font-size:30px}.page-intro{margin-bottom:24px}.download-note{background:#f9edc9;padding:15px;border-radius:10px;font-size:14px}.table td{overflow-wrap:anywhere}.related-list{padding:0;list-style:none}.related-list li{padding:12px 0;border-bottom:1px solid var(--line)}.related-list a{font-size:16px}.related-title{font-size:21px;margin:25px 0 10px}.social{display:flex;gap:12px;padding:0;list-style:none}
@media(min-width:1400px){.container{max-width:1280px}}
@media(max-width:991px){.reading-layout{grid-template-columns:minmax(0,1fr) 250px;gap:20px}.story-card{padding:24px}.brand-note{display:none}.story-title{font-size:27px}.reading-tabs a{padding:6px 9px}.next-story{padding:9px 11px}}
@media(max-width:767px){.container{padding-left:16px;padding-right:16px}.header-inner{height:63px;gap:10px}.brand{font-size:22px}.brand-icon{height:33px;width:33px;font-size:28px}.site-menu>summary{font-size:12px}.site-body{padding-top:18px}.reading-layout{grid-template-columns:1fr}.reading-sidebar{padding-top:0}.reader-heading h1{font-size:19px;margin-bottom:12px}.eyebrow{font-size:9px}.reader-toolbar{gap:8px;margin-bottom:12px;flex-wrap:wrap}.reading-tabs a{font-size:11px;padding:6px 9px}.next-story{font-size:11px;padding:9px 11px;gap:6px}.story-card{padding:22px 19px;border-radius:13px}.story-title{font-size:26px;margin:10px 0 18px}.story-copy{font-size:17px;line-height:1.8}.story-translation{padding:16px}.story-translation summary span{float:none;display:block;margin-top:4px}.story-footer{font-size:12px}.documents-grid{grid-template-columns:1fr}.story-languages{min-width:0}.reading-sidebar .tags_links{max-height:175px;overflow:auto}.site-footer{margin-top:25px}.article-page h1{font-size:26px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}.reading-sidebar{display:flex;flex-direction:column}.reading-sidebar>.documents{order:-2;width:100%}.reading-sidebar>.tags{width:100%}.reading-sidebar>.videoitem{order:2;width:100%}.reading-sidebar>.affiliate-card{width:100%}
.footer-links{display:flex;flex-wrap:wrap;gap:12px 24px}.videoitem h2{font-size:16px;line-height:1.5}.videoitem summary{font-size:13px;cursor:pointer}.video-embed{margin-top:12px}.story-copy br+br{display:none}.story-copy>br{display:none}.cms-article-discussion.container{max-width:100%;padding:22px;margin:22px 0;background:#fff;border:1px solid var(--line);border-radius:14px}
.story-copy .story-spacer{display:none}.story-copy>div+div{margin-top:10px}.reader-heading .eyebrow{display:none}.reader-heading h1{margin:0 0 12px}.header-inner{height:68px}.site-body{padding-top:22px}.story-card{padding-top:24px}.story-title{margin-top:8px;margin-bottom:16px}@media(max-width:767px){.header-inner{height:60px}.site-body{padding-top:16px}.story-card{padding-top:20px}.reader-heading h1{margin-bottom:10px}}
.related-story{display:block;padding:5px 0}.related-name{font-weight:650}.related-preview{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;margin:7px 0;color:var(--muted);font-size:14px;line-height:1.7}.related-read-more{font-size:12px;font-weight:600}.related-story:hover .related-name{text-decoration:underline}
/* Final heading/list pair is the vocabulary section in bilingual story content. */
.story-copy>h3:has(+ul:last-child){margin:32px 0 12px;padding-top:22px;border-top:1px solid #ccd8ce;color:var(--green);font-size:18px;font-weight:700;line-height:1.5}
.story-copy>h3+ul:last-child{margin:0;padding:16px 20px 16px 38px;background:#ffffffb3;border:1px solid #e0e7dc;border-radius:10px;font-size:16px;line-height:1.75}
.story-copy>h3+ul:last-child>li+li{margin-top:7px}
@media(max-width:767px){.story-copy>h3:has(+ul:last-child){margin-top:28px;padding-top:18px}.story-copy>h3+ul:last-child{padding:14px 16px 14px 32px}}

.t10 .documents-course-link{margin-top:28px}

/* Header, breadcrumb and document detail share one spacing rhythm. */
.t10 .header-inner{min-height:72px;height:auto;padding-top:12px;padding-bottom:12px;gap:24px}
.t10 .brand-note{padding-left:24px;border-left:1px solid var(--line);line-height:1.5}
.t10 .page-breadcrumb{margin:0 0 22px;color:var(--muted);font-size:13px;line-height:1.65}
.t10 .page-breadcrumb ol{display:flex;flex-wrap:wrap;align-items:baseline;gap:6px 0;list-style:none;padding:0;margin:0}
.t10 .page-breadcrumb li{display:inline;min-width:0;overflow-wrap:anywhere}
.t10 .page-breadcrumb li+li:before{content:'›';display:inline-block;margin:0 10px;color:#9aa99e}
.t10 .page-breadcrumb a{color:var(--muted);text-decoration:none}
.t10 .page-breadcrumb a:hover{color:var(--green);text-decoration:underline}
.t10 .page-breadcrumb [aria-current=page]{color:var(--ink)}
.t10 .document-page .reading-layout{grid-template-columns:minmax(0,1fr) 280px;gap:24px}
.t10 .document-page .reading-sidebar{padding-top:0}
.t10 .document-page .article-page{padding:30px;border-radius:18px}
.t10 .document-heading{padding-bottom:22px;margin-bottom:24px;border-bottom:1px solid var(--line)}
.t10 .document-heading .eyebrow{color:var(--green);font-size:11px;letter-spacing:1.3px}
.t10 .document-heading .story-title{font-size:clamp(25px,2.3vw,32px);line-height:1.35;letter-spacing:-.5px;margin:10px 0 0;overflow-wrap:anywhere;text-wrap:balance}
.t10 .document-cover{margin:0 0 26px;padding:24px;background:#f6f8f2;border:1px solid #e9ede3;border-radius:12px}
.t10 .document-cover .story-image{margin:0 auto;max-height:320px;max-width:100%;height:auto;object-fit:contain}
.t10 .document-page .affiliate-card{padding:24px;border-radius:18px;background:#faf1d4}
.t10 .document-page .affiliate-card h2{font-size:19px;line-height:1.4;margin-bottom:12px}
.t10 .document-page .affiliate-card p{font-size:14px;line-height:1.75;margin-bottom:20px}
.t10 .document-page .affiliate-card>a{display:inline-flex;align-items:center;font-weight:650;font-size:14px}
@media(max-width:900px){.t10 .document-page .reading-layout{grid-template-columns:minmax(0,1fr) 240px;gap:20px}.t10 .document-page .article-page{padding:24px}}
@media(max-width:767px){.t10 .header-inner{min-height:62px;gap:12px;padding-top:10px;padding-bottom:10px}.t10 .page-breadcrumb{font-size:12px;margin-bottom:18px}.t10 .page-breadcrumb li+li:before{margin:0 7px}.t10 .document-page .reading-layout{grid-template-columns:minmax(0,1fr);gap:20px}.t10 .document-page .article-page{padding:22px 18px;border-radius:14px}.t10 .document-heading{padding-bottom:18px;margin-bottom:20px}.t10 .document-cover{padding:16px;margin-bottom:22px}.t10 .document-page .affiliate-card{border-radius:14px}}

.t10 .download-help{padding:24px;border:1px solid #d7e4d8;border-radius:18px;background:#edf4eb}
.t10 .download-help h2{font-size:19px;line-height:1.4;margin:10px 0 12px}
.t10 .download-help p{font-size:14px;line-height:1.75;margin-bottom:16px}
.t10 .download-help>a,.t10 .download-note a{font-weight:650;text-decoration:underline;text-underline-offset:3px}
.t10 .download-note a{display:inline-block}
.t10 .guide-article{max-width:960px;margin-left:auto;margin-right:auto}
.t10 .guide-article .story-copy h2{margin-top:30px}
.t10 .guide-article .story-copy li{margin-bottom:12px}