#app{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;scroll-behavior:smooth}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,PingFang SC,Microsoft YaHei,sans-serif;color:#333;background:#f5f5f5;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}button{font-family:inherit}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}@media (min-width: 768px){.container{padding:0 24px}}@media (min-width: 1024px){.container{padding:0 32px}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 24px;font-size:16px;font-weight:500;border:none;border-radius:8px;cursor:pointer;transition:all .3s ease}.btn-primary{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 20px #667eea66}.btn-secondary{background:#fff;color:#667eea;border:2px solid #667eea}.btn-secondary:hover{background:#667eea;color:#fff}.btn-lg{padding:16px 32px;font-size:18px}.loading{display:flex;justify-content:center;align-items:center;padding:60px 0}.loading-spinner{width:40px;height:40px;border:3px solid #f3f3f3;border-top:3px solid #667eea;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.empty-state{text-align:center;padding:80px 20px}.empty-state h3{font-size:20px;color:#666;margin-bottom:12px}.empty-state p{color:#999;margin-bottom:20px}.gradient-bg{background:linear-gradient(135deg,#667eea,#764ba2)}.gradient-text{background:linear-gradient(135deg,#667eea,#764ba2);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.card-shadow{box-shadow:0 4px 12px #00000014}.card-shadow:hover{box-shadow:0 12px 24px #00000026}.hide-mobile{display:block}.hide-desktop{display:none}@media (min-width: 768px){.hide-mobile{display:none}.hide-desktop{display:block}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#a1a1a1}::selection{background:#667eea4d;color:#333}