.cert-section{background-color:#fff;padding:64px 24px 90px}.cert-inner{max-width:1000px;margin:0 auto}.cert-group{margin-bottom:64px}.cert-group:last-child{margin-bottom:0}.cert-group-title{letter-spacing:-.5px;color:var(--text);margin-bottom:6px;font-size:22px;font-weight:800}.cert-group-sub{color:var(--text-soft);margin-bottom:28px;font-size:14.5px}.cert-grid{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.cert-card{border:1px solid var(--border);background-color:#fff;border-radius:16px;transition:all .25s;display:block;overflow:hidden}.cert-card:hover{border-color:var(--primary);transform:translateY(-4px);box-shadow:0 14px 30px #1a3a8f1f}.cert-thumb{background-color:var(--bg-soft);border-bottom:1px solid var(--border);justify-content:center;align-items:center;padding:18px;display:flex}.cert-thumb img{object-fit:contain;width:100%;height:auto;max-height:300px;transition:transform .25s;box-shadow:0 6px 18px #0000001a}.cert-card:hover .cert-thumb img{transform:scale(1.02)}.cert-body{padding:22px 22px 24px}.cert-grade{color:#fff;background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);letter-spacing:.5px;border-radius:20px;margin-bottom:12px;padding:4px 12px;font-size:12px;font-weight:800;display:inline-block}.cert-name{color:var(--text);letter-spacing:-.3px;margin-bottom:6px;font-size:15.5px;font-weight:700;line-height:1.4}.cert-model{color:var(--primary);margin-bottom:12px;font-size:13px;font-weight:600}.cert-meta{color:var(--text-muted);border-bottom:1px solid var(--border);margin-bottom:14px;padding-bottom:14px;font-size:12.5px;line-height:1.7}.cert-view{color:var(--primary);align-items:center;gap:5px;font-size:13px;font-weight:700;display:inline-flex}.cert-view svg{stroke:currentColor;fill:none;width:13px;height:13px;transition:transform .2s}.cert-card:hover .cert-view svg{transform:translate(2px,-2px)}.cert-placeholder{background-color:var(--bg-soft);border:1.5px dashed var(--border);text-align:center;border-radius:16px;padding:44px 24px}.cert-placeholder-title{color:var(--text-soft);margin-bottom:6px;font-size:15px;font-weight:700}.cert-placeholder-desc{color:var(--text-muted);font-size:13.5px}@media (max-width:860px){.cert-grid{grid-template-columns:1fr}}@media (max-width:720px){.cert-section{padding:44px 20px 70px}}