.yihui-export-case-page .entry-header,.yihui-export-case-page .page-header,.yihui-export-case-page .widget-area{display:none!important}
.yihui-export-case-page .content-area,.yihui-export-case-page .site-main,.yihui-export-case-page .entry-content{width:100%!important;max-width:none!important;margin:0!important;padding:0!important}
.yihui-export-case-page .site-content{display:block!important;padding:0!important}
.yihui-ec{--ec-navy:#09243c;--ec-blue:#0a7fbd;--ec-orange:#f58012;--ec-ink:#132d42;--ec-muted:#526a7a;--ec-line:#d7e2e9;--ec-soft:#f2f6f8;--ec-green:#168b49;color:var(--ec-ink);font-size:16px;line-height:1.65}
.yihui-ec *{box-sizing:border-box}
.yihui-ec h1,.yihui-ec h2,.yihui-ec h3,.yihui-ec p,.yihui-ec figure{margin-top:0}
.yihui-ec a{overflow-wrap:anywhere}
.yihui-ec-inner{width:min(100% - 44px,1180px);margin-right:auto;margin-left:auto}
.yihui-ec-kicker,.yihui-ec-section-heading>span,.yihui-ec-confirm>div>span,.yihui-ec-guidance-grid>div>span,.yihui-ec-case-cta span,.yihui-ec-policy span,.yihui-ec-hub-cta span{display:block;margin-bottom:8px;color:var(--ec-blue);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.yihui-ec-button{display:inline-flex;min-height:48px;align-items:center;justify-content:center;padding:12px 18px;border:2px solid var(--ec-orange);border-radius:3px;background:var(--ec-orange);color:#fff!important;font-size:12px;font-weight:800;letter-spacing:.03em;text-decoration:none!important}
.yihui-ec-button:hover{border-color:#d96600;background:#d96600}
.yihui-ec-button--outline{margin-top:22px;border-color:#0f5f8e;background:#fff;color:#0f5f8e!important}
.yihui-ec-button--outline:hover{background:#0f5f8e;color:#fff!important}

.yihui-ec-hub-hero{padding:78px 0;background:linear-gradient(120deg,#071e32,#0b466c);color:#fff}
.yihui-ec-hub-hero h1{max-width:850px;margin:0 0 18px;color:#fff;font-size:clamp(42px,5.2vw,68px);line-height:1.05}
.yihui-ec-hub-hero p:last-child{max-width:870px;margin:0;color:rgba(255,255,255,.8);font-size:18px}
.yihui-ec-section{padding:76px 0;background:#fff}
.yihui-ec-section:nth-of-type(even){background:var(--ec-soft)}
.yihui-ec-section-heading{max-width:830px;margin-bottom:30px}
.yihui-ec-section-heading h2{margin:0 0 10px;color:var(--ec-ink);font-size:clamp(31px,4vw,46px);line-height:1.12}
.yihui-ec-section-heading p{margin:0;color:var(--ec-muted)}
.yihui-ec-hub-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.yihui-ec-card{display:flex;min-width:0;overflow:hidden;flex-direction:column;border:1px solid var(--ec-line);border-radius:7px;background:#fff;box-shadow:0 14px 36px rgba(14,45,68,.09)}
.yihui-ec-card-media{display:block;overflow:hidden;aspect-ratio:16/10;background:#dae5eb}
.yihui-ec-card-media img{display:block;width:100%;height:100%;object-fit:cover;transition:transform .25s ease}
.yihui-ec-card:hover .yihui-ec-card-media img{transform:scale(1.02)}
.yihui-ec-card-copy{display:flex;flex:1;flex-direction:column;padding:23px}
.yihui-ec-card-copy>span{display:block;margin-bottom:8px;color:var(--ec-blue);font-size:11px;font-weight:800;letter-spacing:.11em}
.yihui-ec-card-copy h3{margin:0 0 11px;font-size:22px;line-height:1.25}
.yihui-ec-card-copy h3 a{color:var(--ec-ink);text-decoration:none}
.yihui-ec-card-copy p{margin:0 0 14px;color:var(--ec-muted);font-size:14px;line-height:1.6}
.yihui-ec-card-copy ul{margin:0 0 19px;padding:0;list-style:none;color:#3d586b;font-size:12px}
.yihui-ec-card-copy li+li{margin-top:6px}
.yihui-ec-text-link{margin-top:auto;color:#0b679a;font-size:12px;font-weight:800;letter-spacing:.04em;text-decoration:none}
.yihui-ec-policy{padding:64px 0;background:#08243b;color:#fff}
.yihui-ec-policy-grid{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,1.25fr);gap:70px}
.yihui-ec-policy h2{margin:0;color:#fff;font-size:39px;line-height:1.13}
.yihui-ec-policy-points{display:grid;gap:16px}
.yihui-ec-policy-points p{margin:0;padding-bottom:16px;border-bottom:1px solid rgba(255,255,255,.16);color:rgba(255,255,255,.78)}
.yihui-ec-policy-points strong{color:#fff}
.yihui-ec-hub-cta{padding:60px 0;background:#ecf3f7}
.yihui-ec-hub-cta>.yihui-ec-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.yihui-ec-hub-cta h2{max-width:760px;margin:0;color:var(--ec-ink);font-size:36px;line-height:1.16}
.yihui-ec-hub-cta a{display:inline-flex;min-height:50px;align-items:center;justify-content:center;padding:12px 20px;border-radius:3px;background:var(--ec-green);color:#fff;font-size:12px;font-weight:800;text-decoration:none}

.yihui-ec-breadcrumb{display:flex;gap:9px;flex-wrap:wrap;padding-top:23px;padding-bottom:17px;color:#6b7e8a;font-size:12px}
.yihui-ec-breadcrumb a{color:#276b95;text-decoration:none}
.yihui-ec-case-head{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:50px;align-items:end;padding-top:32px;padding-bottom:34px;border-top:5px solid var(--ec-orange)}
.yihui-ec-case-head h1{max-width:760px;margin:0;color:var(--ec-ink);font-size:clamp(39px,5.2vw,62px);line-height:1.06}
.yihui-ec-lead{margin:0;padding-left:18px;border-left:3px solid var(--ec-orange);color:#334e61;font-size:17px}
.yihui-ec-byline{margin:13px 0 17px;color:#6a7e8d;font-size:12px}
.yihui-ec-hero{overflow:hidden;margin-bottom:0;border-radius:6px;background:#dce7ec}
.yihui-ec-hero img{display:block;width:100%;max-height:690px;object-fit:cover}
.yihui-ec-hero figcaption,.yihui-ec-document figcaption,.yihui-ec-gallery figcaption,.yihui-ec-video figcaption{padding:9px 1px 0;color:#617583;font-size:12px;line-height:1.5}
.yihui-ec-fact-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:26px;margin-bottom:0;border-top:1px solid var(--ec-line);border-bottom:1px solid var(--ec-line)}
.yihui-ec-fact-strip>div{padding:18px;border-right:1px solid var(--ec-line)}
.yihui-ec-fact-strip>div:last-child{border-right:0}
.yihui-ec-fact-strip span{display:block;margin-bottom:5px;color:var(--ec-blue);font-size:10px;font-weight:800;letter-spacing:.1em;text-transform:uppercase}
.yihui-ec-fact-strip strong{display:block;font-size:14px;line-height:1.45}
.yihui-ec-confirm{margin-top:48px;padding:48px 0;background:var(--ec-navy);color:#fff}
.yihui-ec-confirm h2{margin:0 0 28px;color:#fff;font-size:37px;line-height:1.15}
.yihui-ec-confirm-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.yihui-ec-confirm-grid>div{padding:21px;border:1px solid rgba(255,255,255,.14);border-radius:5px;background:rgba(255,255,255,.04)}
.yihui-ec-confirm-grid b{display:block;margin-bottom:8px;color:#66c4ef;font-size:12px}
.yihui-ec-confirm-grid p{margin:0;color:rgba(255,255,255,.8);font-size:14px}
.yihui-ec-ledger{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:42px;align-items:start}
.yihui-ec table{width:100%;border-collapse:collapse;table-layout:fixed;font-size:14px}
.yihui-ec th,.yihui-ec td{padding:13px 12px;border-bottom:1px solid var(--ec-line);text-align:left;vertical-align:top;overflow-wrap:anywhere}
.yihui-ec th{width:36%;background:#edf3f6;font-weight:750}
.yihui-ec td{background:#fff}
.yihui-ec-document{max-width:340px;margin:0 auto}
.yihui-ec-document img{display:block;width:100%;height:auto;border:1px solid var(--ec-line);background:#fff}
.yihui-ec-note{margin:12px 0 0;color:#6a7c88;font-size:11px}
.yihui-ec-media-section{background:#f3f7f9!important}
.yihui-ec-gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:19px}
.yihui-ec-gallery figure{overflow:hidden;margin:0;border:1px solid var(--ec-line);border-radius:5px;background:#fff}
.yihui-ec-gallery img{display:block;width:100%;aspect-ratio:4/3;object-fit:cover;background:#dce6eb}
.yihui-ec-gallery figcaption{padding:12px 14px 15px}
.yihui-ec-video{max-width:640px;margin:30px auto 0}
.yihui-ec-video video{display:block;width:100%;max-height:690px;background:#061725}
.yihui-ec-guidance{background:#fff3e7!important}
.yihui-ec-guidance-grid{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:60px;align-items:start}
.yihui-ec-guidance h2{margin:0 0 12px;color:var(--ec-ink);font-size:39px;line-height:1.14}
.yihui-ec-guidance p{margin:0;color:#5d6c75}
.yihui-ec-guidance ul{margin:0;padding:0;list-style:none}
.yihui-ec-guidance li{position:relative;padding:17px 0 17px 34px;border-bottom:1px solid #e2c9ae;color:#344d5d}
.yihui-ec-guidance li:before{content:"✓";position:absolute;left:0;top:16px;color:#168b49;font-weight:900}
.yihui-ec-process{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-top:1px solid var(--ec-line);border-bottom:1px solid var(--ec-line)}
.yihui-ec-process>div{padding:22px;border-right:1px solid var(--ec-line)}
.yihui-ec-process>div:last-child{border-right:0}
.yihui-ec-process span{display:block;margin-bottom:8px;color:var(--ec-orange);font-size:12px;font-weight:800}
.yihui-ec-process h3{margin:0 0 7px;font-size:18px;line-height:1.3}
.yihui-ec-process p{margin:0;color:var(--ec-muted);font-size:13px}
.yihui-ec-faq details{border-bottom:1px solid var(--ec-line);padding:18px 0}
.yihui-ec-faq summary{cursor:pointer;color:var(--ec-ink);font-weight:750;line-height:1.5}
.yihui-ec-faq details p{max-width:900px;margin:11px 0 0;color:var(--ec-muted)}
.yihui-ec-case-cta{padding:54px 0;background:linear-gradient(120deg,#e8f2f7,#fff)}
.yihui-ec-case-cta>.yihui-ec-inner{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:center}
.yihui-ec-case-cta h2{margin:0 0 8px;color:var(--ec-ink);font-size:38px;line-height:1.15}
.yihui-ec-case-cta p{max-width:780px;margin:0;color:var(--ec-muted)}
.yihui-ec-case-footer{padding-top:22px;padding-bottom:34px;color:#6a7d89;font-size:11px}

.yihui-ec-home{padding:76px 0;background:#edf4f8;color:#132d42}
.yihui-ec-home-heading{max-width:800px;margin:0 auto 30px;text-align:center}
.yihui-ec-home-heading>span{display:block;margin-bottom:8px;color:#087fc1;font-size:11px;font-weight:800;letter-spacing:.16em}
.yihui-ec-home-heading h2{margin:0 0 10px;color:#10283d;font-size:42px;line-height:1.12}
.yihui-ec-home-heading p{margin:0;color:#536b7c}
.yihui-ec-home-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.yihui-ec-home .yihui-ec-card-copy{padding:20px}
.yihui-ec-home .yihui-ec-card-copy h3{font-size:19px}
.yihui-ec-home .yihui-ec-card-copy p{font-size:13px}
.yihui-ec-home-actions{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:30px}
.yihui-ec-home-actions a{display:inline-flex;min-height:47px;align-items:center;justify-content:center;padding:10px 20px;border-radius:3px;background:#0c4e78;color:#fff;font-size:12px;font-weight:800;text-decoration:none}
.yihui-ec-home-actions span{color:#657b89;font-size:11px}

@media(max-width:1050px){
	.yihui-ec-hub-grid,.yihui-ec-home-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
	.yihui-ec-case-head{grid-template-columns:1fr;gap:24px}
	.yihui-ec-ledger{grid-template-columns:1fr}
	.yihui-ec-document{max-width:380px}
	.yihui-ec-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
	.yihui-ec-process{grid-template-columns:repeat(2,minmax(0,1fr))}
	.yihui-ec-process>div:nth-child(2){border-right:0}
	.yihui-ec-process>div:nth-child(-n+2){border-bottom:1px solid var(--ec-line)}
}

@media(max-width:767px){
	.yihui-ec-inner{width:min(100% - 28px,1180px)}
	.yihui-ec-hub-hero{padding:56px 0}
	.yihui-ec-hub-hero h1{font-size:39px}
	.yihui-ec-hub-hero p:last-child{font-size:16px}
	.yihui-ec-section{padding:56px 0}
	.yihui-ec-section-heading h2{font-size:32px}
	.yihui-ec-hub-grid,.yihui-ec-home-grid,.yihui-ec-policy-grid,.yihui-ec-confirm-grid,.yihui-ec-guidance-grid{grid-template-columns:1fr}
	.yihui-ec-policy-grid{gap:28px}
	.yihui-ec-policy h2{font-size:32px}
	.yihui-ec-hub-cta>.yihui-ec-inner{align-items:stretch;flex-direction:column}
	.yihui-ec-hub-cta h2{font-size:31px}
	.yihui-ec-case-head{padding-top:24px}
	.yihui-ec-case-head h1{font-size:38px}
	.yihui-ec-hero{width:100%;border-radius:0}
	.yihui-ec-hero img{max-height:520px;aspect-ratio:4/3}
	.yihui-ec-hero figcaption{padding-right:14px;padding-left:14px}
	.yihui-ec-fact-strip{grid-template-columns:1fr 1fr}
	.yihui-ec-fact-strip>div:nth-child(2){border-right:0}
	.yihui-ec-fact-strip>div:nth-child(-n+2){border-bottom:1px solid var(--ec-line)}
	.yihui-ec-confirm{margin-top:36px;padding:40px 0}
	.yihui-ec-confirm h2{font-size:31px}
	.yihui-ec-gallery{grid-template-columns:1fr}
	.yihui-ec-guidance-grid{gap:28px}
	.yihui-ec-guidance h2{font-size:32px}
	.yihui-ec-process{grid-template-columns:1fr}
	.yihui-ec-process>div{border-right:0;border-bottom:1px solid var(--ec-line)}
	.yihui-ec-process>div:last-child{border-bottom:0}
	.yihui-ec-case-cta>.yihui-ec-inner{grid-template-columns:1fr}
	.yihui-ec-case-cta h2{font-size:31px}
	.yihui-ec-home{padding:58px 0}
	.yihui-ec-home-heading h2{font-size:34px}
}

@media(max-width:420px){
	.yihui-ec-fact-strip{grid-template-columns:1fr}
	.yihui-ec-fact-strip>div{border-right:0;border-bottom:1px solid var(--ec-line)}
	.yihui-ec-fact-strip>div:last-child{border-bottom:0}
	.yihui-ec table{font-size:12px}
	.yihui-ec th{width:40%}
}

@media(prefers-reduced-motion:reduce){.yihui-ec *{scroll-behavior:auto!important;transition:none!important}}

/* The mixed-machinery case retains the established case-page typography and colors. */
.yihui-ec-mixed .yihui-ec-hero img{width:100%;height:auto;max-height:none;object-fit:contain}
.yihui-ec-mixed .yihui-ec-story{display:grid;gap:36px}
.yihui-ec-mixed .yihui-ec-story-block{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:46px;padding-bottom:32px;border-bottom:1px solid var(--ec-line)}
.yihui-ec-mixed .yihui-ec-story-block:last-child{padding-bottom:0;border-bottom:0}
.yihui-ec-mixed .yihui-ec-story-block h2{margin:0;color:var(--ec-ink);font-size:clamp(27px,3.1vw,37px);line-height:1.2}
.yihui-ec-mixed .yihui-ec-story-block p{margin:0 0 14px;color:var(--ec-muted)}
.yihui-ec-mixed .yihui-ec-story-block p:last-child{margin-bottom:0}
.yihui-ec-video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start}
.yihui-ec-video-grid figure{min-width:0;margin:0}
.yihui-ec-video-grid h3{margin:0 0 14px;font-size:23px;line-height:1.3}
.yihui-ec-video-grid video{display:block;width:100%;aspect-ratio:16/9;max-height:560px;background:#061725;object-fit:contain;border-radius:5px}
.yihui-ec-video-grid figcaption,.yihui-ec-doc-grid figcaption{padding-top:10px;color:var(--ec-muted);font-size:13px;line-height:1.55}
.yihui-ec-mixed .yihui-ec-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}
.yihui-ec-mixed .yihui-ec-gallery img{aspect-ratio:4/3;object-fit:contain;background:#e7edf0}
.yihui-ec-shipment-table{max-width:980px;margin-bottom:34px}
.yihui-ec-doc-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;align-items:start}
.yihui-ec-doc-grid figure{min-width:0;margin:0}
.yihui-ec-doc-grid img{display:block;width:100%;height:auto;border:1px solid var(--ec-line);background:#fff}
.yihui-ec-mixed a:focus-visible,.yihui-ec-mixed summary:focus-visible{outline:3px solid var(--ec-blue);outline-offset:4px}
@media(max-width:767px){
	.yihui-ec-mixed .yihui-ec-story-block{grid-template-columns:1fr;gap:16px}
	.yihui-ec-video-grid,.yihui-ec-doc-grid,.yihui-ec-mixed .yihui-ec-gallery{grid-template-columns:1fr;gap:24px}
	.yihui-ec-mixed .yihui-ec-section{padding:48px 0}
	.yihui-ec-mixed .yihui-ec-hero img{aspect-ratio:auto}
}