/* 本地镜像适配：保留原站视觉，修复现代移动端与本地预览细节。 */
html { scroll-behavior: smooth; }
body { overflow-x: hidden; }
#main-header { box-shadow: 0 1px 0 rgba(0, 0, 0, .08) !important; }
#logo { max-height: 58px !important; }
.et_pb_button { transition: transform .2s ease, opacity .2s ease !important; }
.et_pb_button:hover { transform: translateY(-2px); }
img { height: auto; }

@media (max-width: 980px) {
  #main-header { position: sticky !important; top: 0 !important; }
  .et_mobile_menu { max-height: calc(100vh - 80px); overflow-y: auto; }
}