.about-hero { padding: 2rem 0 3rem; }
.about-hero .big-pic img { width: 100%;height: 550px; object-fit: cover; border-radius: 8px; }
.about-hero h1 { font-size: 1.75rem; margin: 1.5rem 0 1rem; }
.about-hero p { margin-bottom: 1rem; line-height: 1.75; color: #444; }
.about-hero .about-us-small-pic1 { margin-top: 1rem; }
.about-hero .pic-1 { margin-bottom: 0; border-radius: 8px; overflow: hidden; }
.about-hero .pic-1 img { width: 100%; height: 180px; object-fit: cover; }
@media (max-width: 768px) {
  .about-hero .big-pic img { height: 200px; }
  .about-hero .pic-1 img { height: 140px; }
}