.section-card{background:#fff;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.08);padding:24px 24px 16px;}
.pdf-container{height:clamp(70vh, calc(100vh - 220px), 90vh);max-width:1100px;margin:0 auto;}
.pdf-container iframe{width:100%;height:100%;border:0;border-radius:8px;display:block;}
.pdf-wrap{height:calc(100vh - 120px);max-width:1100px;margin:0 auto;}