:root{--tx-ink:#18231f;--tx-paper:#edf3e9;--tx-accent:#8ab36a}
body.tx-layout-3{background:var(--tx-paper);color:var(--tx-ink);font-family:Arial,"Microsoft YaHei",sans-serif}body.tx-layout-3 header{background:var(--tx-paper);border-bottom:3px solid var(--tx-accent)}body.tx-layout-3 .hero,body.tx-layout-3 .home-hero{max-width:1400px;margin:38px auto;min-height:420px;text-align:left;padding:74px 7%;background:var(--tx-ink);color:var(--tx-paper);border-radius:0}body.tx-layout-3 .hero h1{font-size:clamp(42px,5vw,70px)}body.tx-layout-3 section{max-width:1400px;margin:auto;padding:58px 32px}body.tx-layout-3 .section-head{text-align:left}body.tx-layout-3 .video-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}body.tx-layout-3 .video-card,body.tx-layout-3 article{border:0;border-bottom:2px solid var(--tx-accent);border-radius:0;box-shadow:none}
body.tx-layout-3 .tx-batch-note{max-width:920px;margin:24px auto;padding:20px 24px;border-left:4px solid var(--tx-accent);background:var(--tx-paper);color:var(--tx-ink);line-height:1.9}
body.tx-layout-3 .hero,body.tx-layout-3 .home-hero{min-height:680px}body.tx-layout-3 main>section:first-of-type{padding-top:96px}body.tx-layout-3 .video-grid{gap:10px 22px}