/* 样式保持之前的优秀兼容性 */
.pro-block-section { width: 100%; margin: 0 auto; background: #000; font-family: 'Poppins', sans-serif; overflow: hidden; }
.top-nav-bar { display: flex; background: #111; border-bottom: 1px solid #222; overflow-x: auto; scrollbar-width: none; scroll-behavior: smooth; }
.top-nav-bar::-webkit-scrollbar { display: none; }
.nav-btn { flex: 1; min-width: 120px; display: flex; align-items: center; justify-content: center; text-align: center; padding: 15px 10px; height: 60px; color: #666; font-size: 14px; font-weight: 550; cursor: pointer; white-space: normal; line-height: 1.2; position: relative; }
.nav-btn.active { color: #fff; background: #1a1a1a; }
.nav-btn.active::after { content: ''; position: absolute; bottom: 0; left: 0; width: 100%; height: 3px; background: #ff3b30; }
.image-stage-wrapper { position: relative; width: 100%; aspect-ratio: 1446 / 600; overflow: hidden; }
.image-stage { display: flex; width: 100%; height: 100%; overflow-x: auto; scroll-snap-type: x mandatory; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
.image-stage::-webkit-scrollbar { display: none; }
.img-panel { flex: 0 0 100%; width: 100%; height: 100%; scroll-snap-align: start; }
.img-panel img { width: 100%; height: 100%; object-fit: cover; display: block; }

@media (max-width: 768px) {
    .nav-btn { flex: 0 0 35%; font-size: 12px; }
    .image-stage-wrapper { aspect-ratio: 4 / 3; }
}