/* ===== 关于我们 ===== */
.about-section{padding:80px 0}
.about-intro{display:flex;gap:40px;align-items:flex-start;margin-bottom:50px}
.about-intro-left{flex-shrink:0;width:380px}
.about-intro-left img{width:100%;border-radius:var(--radius);display:block;transition:var(--transition)}
.about-intro-left img:hover{box-shadow:var(--shadow-hover);transform:scale(1.01)}
.about-intro-right{flex:1}
.about-intro-right p{font-size:16px;color:var(--text-secondary);line-height:2;text-align:justify}
.about-intro-right .about-slogan{font-size:28px;font-weight:700;color:#EDA306;text-align:left;margin-top:24px;letter-spacing:2px}
.about-subtitle{font-size:24px;font-weight:700;text-align:center;margin:40px 0 30px}
.factory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:50px}
.factory-item{border-radius:var(--radius);overflow:hidden;display:flex;align-items:center;justify-content:center;min-height:220px;transition:var(--transition);background-size:cover;background-position:center}
.factory-item:hover{transform:scale(1.02);box-shadow:var(--shadow-hover)}

@media(max-width:1024px){.about-intro{flex-direction:column}.about-intro-left{width:100%;max-width:500px;margin:0 auto}.factory-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .about-intro{flex-direction:column}.about-intro-left{width:100%;max-width:400px;margin:0 auto}
  .factory-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){
  .about-intro{flex-direction:column;gap:20px}.about-intro-left{width:100%}
  .factory-grid{grid-template-columns:1fr}.about-subtitle{font-size:20px}}