/* Tianyu Catalog / Website V3 supplement. Source: 2026 official transformer catalog supplied by user. */
.v3-source-note{margin:1.25rem 0;padding:.85rem 1rem;border-left:3px solid #2f6f9f;background:#f4f8fb;color:#52606d;font-size:.88rem;line-height:1.65}
.v3-capability-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;background:#dce7ef;border:1px solid #dce7ef;margin:2.4rem auto;max-width:1240px}
.v3-capability-strip>div{background:#fff;padding:1.2rem 1rem}.v3-capability-strip span{display:block;color:#64748b;font-size:.76rem;text-transform:uppercase;letter-spacing:.06em}.v3-capability-strip strong{display:block;color:#173d5b;font-size:1.28rem;margin-top:.35rem}
.v3-section{padding:4.5rem max(5vw,24px);background:#fff}.v3-section.v3-soft{background:#f6f9fb}.v3-shell{max-width:1240px;margin:0 auto}.v3-kicker{color:#2f6f9f;font-size:.78rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase}.v3-title{font-size:clamp(1.7rem,3vw,2.7rem);line-height:1.12;color:#183b56;margin:.35rem 0 1rem}.v3-lead{max-width:850px;color:#52606d;line-height:1.75}
.v3-card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem;margin-top:1.8rem}.v3-card{border:1px solid #dce5ec;background:#fff;padding:1.2rem;min-width:0}.v3-card h3{margin:.1rem 0 .55rem;color:#183b56;font-size:1.05rem}.v3-card p{color:#5e6b76;line-height:1.62;margin:.35rem 0}.v3-card strong{color:#173d5b}.v3-card small{color:#7a8792}
.v3-image-card{border:1px solid #dce5ec;background:#fff;overflow:hidden}.v3-image-card img{display:block;width:100%;aspect-ratio:16/10;object-fit:cover}.v3-image-card .v3-card-copy{padding:1rem}.v3-image-card h3{margin:0 0 .45rem;color:#183b56}.v3-image-card p{margin:0;color:#5e6b76;line-height:1.6}
.v3-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem;margin:1.6rem 0}.v3-stat{border:1px solid #dce5ec;padding:1rem;background:#fff}.v3-stat span{display:block;font-size:.74rem;color:#687784;text-transform:uppercase;letter-spacing:.05em}.v3-stat strong{display:block;margin-top:.25rem;color:#173d5b;font-size:1.18rem}
.v3-spec-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin:1.2rem 0}.v3-spec{border:1px solid #dce5ec;padding:.85rem 1rem;background:#fff}.v3-spec span{display:block;color:#73808b;font-size:.74rem}.v3-spec strong{display:block;color:#183b56;margin-top:.2rem}
.v3-table-wrap{overflow:auto;margin:1.2rem 0 0;border:1px solid #dce5ec;background:#fff}.v3-table{width:100%;border-collapse:collapse;font-size:.82rem;min-width:680px}.v3-table th{background:#eaf2f7;color:#234e6d;text-align:left;font-weight:700;padding:.58rem .65rem;border-bottom:1px solid #d4e0e8}.v3-table td{padding:.56rem .65rem;border-bottom:1px solid #e6edf2;color:#465764;vertical-align:top}.v3-table tr:last-child td{border-bottom:0}.v3-table td:first-child{font-weight:700;color:#183b56}
.v3-drawing-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.5rem}.v3-drawing{border:1px solid #dce5ec;background:#fff;padding:.8rem;text-decoration:none}.v3-drawing img{display:block;width:100%;height:300px;object-fit:contain;background:#f8fafc}.v3-drawing span{display:block;color:#173d5b;font-weight:700;margin-top:.6rem}.v3-drawing small{display:block;color:#73808b;margin-top:.2rem}
.v3-pill-row{display:flex;flex-wrap:wrap;gap:.45rem;margin-top:1rem}.v3-pill{border:1px solid #c9d8e2;background:#f7fafc;color:#31536c;border-radius:999px;padding:.35rem .65rem;font-size:.78rem}
.v3-two-col{display:grid;grid-template-columns:1fr 1fr;gap:1.3rem;margin-top:1.5rem}.v3-system-list{display:grid;gap:.65rem}.v3-system-list>div{display:grid;grid-template-columns:90px 1fr;gap:.8rem;padding:.8rem;border:1px solid #dce5ec;background:#fff}.v3-system-list strong{color:#183b56}.v3-system-list span{color:#566672;line-height:1.55}
.v3-catalog-sheet{padding:42px 48px}.v3-catalog-sheet .v3-title{font-size:28px}.v3-catalog-sheet .v3-lead{font-size:13px}.v3-catalog-sheet .v3-card-grid{gap:10px}.v3-catalog-sheet .v3-card{padding:12px}.v3-catalog-sheet .v3-table{font-size:9.5px;min-width:0}.v3-catalog-sheet .v3-table th,.v3-catalog-sheet .v3-table td{padding:5px 6px}.v3-catalog-sheet .v3-drawing img{height:245px}.v3-catalog-sheet .v3-stat-grid{gap:8px}.v3-catalog-sheet .v3-stat{padding:10px}.v3-catalog-sheet .v3-stat strong{font-size:17px}
@media(max-width:900px){.v3-capability-strip{grid-template-columns:repeat(2,1fr);margin-left:16px;margin-right:16px}.v3-card-grid,.v3-stat-grid{grid-template-columns:repeat(2,1fr)}.v3-two-col,.v3-drawing-grid{grid-template-columns:1fr}.v3-section{padding:3rem 20px}}
@media(max-width:560px){.v3-card-grid,.v3-stat-grid,.v3-spec-grid{grid-template-columns:1fr}.v3-capability-strip{grid-template-columns:1fr}.v3-title{font-size:1.65rem}.v3-drawing img{height:220px}}
@media print{.v3-section{padding:0}.v3-drawing img{height:240px}.v3-source-note{break-inside:avoid}}