img{max-width:100%;height:auto}.hero-section{min-height:600px;padding:2rem 0}.hero-content{flex-direction:column;justify-content:center;min-height:500px;display:flex}.hero-logo{min-height:100px}.hero-3d-container{justify-content:center;align-items:center;min-height:400px;display:flex}.hero-join-btn{min-width:120px;min-height:48px}.hero-description{min-height:120px}.hero-highlight{min-height:40px}.navbar{min-height:70px}.navbar-brand{min-width:120px;min-height:40px}.navbar-nav{min-height:40px}.theme-toggle-icon{min-width:38px!important;min-height:38px!important}.footer-logo{min-height:56px}.lazy-section{min-height:200px}*{transition:background-color .2s,color .2s,border-color .2s}.dynamic-content{min-height:50px}.mb-4{margin-bottom:1.5rem!important}.mb-3{margin-bottom:1rem!important}.loading-placeholder{background-color:#f8f9fa;border-radius:4px;animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}