.sds-main{padding-top:72px;padding-bottom:72px}.sds-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;align-items:stretch}.sds-card{min-height:330px;display:flex;flex-direction:column;padding:24px;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 8px 20px rgba(4,5,47,.05)}.sds-card .doc-ic{height:78px;display:flex;align-items:center;justify-content:center;margin:-24px -24px 20px;padding:14px 20px;background:#f1fcff;border-bottom:1px solid #bfeefa;border-radius:14px 14px 0 0}.sds-card .doc-ic img{display:block;max-width:165px;max-height:44px!important;object-fit:contain}.sds-card h2{min-height:2.5em;margin-bottom:12px;font-size:1.05rem}.sds-card p{line-height:1.6;background:#f7f9fc;border:1px solid var(--line);border-radius:10px;padding:15px;margin:0 0 20px;min-height:88px;color:var(--muted)}.sds-card .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;margin-top:auto;align-self:stretch;background:var(--blue);color:#fff;text-decoration:none;padding:12px 16px;border-radius:10px;font-weight:700;font-size:.84rem;transition:transform .18s ease,filter .18s ease}.sds-card .btn::after{content:'→';font-size:1.05rem}.sds-card .btn:hover{filter:brightness(1.15);transform:translateY(-2px)}.sds-note{margin:30px 0 0 auto;max-width:560px;padding:18px 22px;background:#f1fcff;border:1px solid #bfeefa;border-left:4px solid var(--cyan);border-radius:12px;display:flex;flex-direction:column;gap:6px;color:var(--muted);font-size:.86rem}.sds-note strong{color:var(--navy);font-size:.92rem}.sds-note a{font-weight:700}@media(max-width:900px){.sds-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.sds-grid{grid-template-columns:1fr}.sds-card{min-height:0}.sds-note{margin-left:0}}