.library-hero{padding:76px 0 70px;background:#123da7;color:#fff;text-align:center}.library-hero h1{font-size:42px;line-height:1.25;margin:12px 0 18px}.library-hero p{max-width:900px;margin:0 auto;font-size:18px;line-height:1.85}.library-intro{padding:48px 0;background:#f5f8ff}.intro-copy{max-width:900px}.intro-copy h2{font-size:30px;color:#1037a0;margin:8px 0 14px}.intro-copy p{line-height:1.85;color:#445069}.group-kicker{font-size:14px;font-weight:700;color:#2c5ac6}.category-nav{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px;margin-top:28px}.category-nav a{display:grid;gap:5px;padding:18px;border:1px solid #d9e3f7;border-radius:8px;background:#fff;color:#153f9f;text-decoration:none}.category-nav span{font-size:13px;color:#66738c}.library-groups{padding-top:12px;padding-bottom:58px}.library-group{padding-top:48px}.group-head{display:grid;grid-template-columns:minmax(280px,.8fr) minmax(340px,1.2fr);gap:32px;align-items:end;border-bottom:1px solid #dce5f4;padding-bottom:18px;margin-bottom:22px}.group-head h2{font-size:29px;color:#1037a0;margin:6px 0 0}.group-head p{margin:0;color:#566178;line-height:1.75}.library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.library-card{display:flex;flex-direction:column;border:1px solid #dce4f3;border-top:4px solid #1648be;border-radius:8px;padding:22px;background:#fff}.library-card>span{font-size:13px;color:#65728b}.library-card h3{font-size:19px;line-height:1.5;margin:8px 0}.library-card h3 a{color:#123da7;text-decoration:none}.library-card p{color:#526077;line-height:1.75;margin:0 0 16px}.card-link{margin-top:auto;color:#1648be;font-weight:700;text-decoration:none}.usage{padding:54px 0;background:#f5f8ff}.usage h2{text-align:center;font-size:30px;color:#1037a0}.usage-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:28px}.usage-grid article{background:#fff;border:1px solid #dce5f4;border-radius:8px;padding:24px}.usage-grid article>span{font-size:28px;font-weight:800;color:#d6e1f8}.usage-grid h3{color:#143d9e}.usage-grid p{line-height:1.75;color:#526077}@media(max-width:900px){.category-nav{grid-template-columns:repeat(2,minmax(0,1fr))}.library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.group-head{grid-template-columns:1fr}.usage-grid{grid-template-columns:1fr}}@media(max-width:580px){.library-hero{padding:54px 0}.library-hero h1{font-size:31px}.library-hero p{font-size:16px}.category-nav,.library-grid{grid-template-columns:1fr}.group-head h2,.intro-copy h2{font-size:25px}}