#app{min-height:100vh}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif,Microsoft YaHei,微软雅黑;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#f8fafc;color:#1a202c;line-height:1.6}.container{max-width:1200px;margin:0 auto;padding:0 20px}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}.fade-in-up{animation:fadeInUp .6s ease-out}.btn-primary{display:inline-block;padding:12px 30px;background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;text-decoration:none;border-radius:30px;border:none;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s ease;box-shadow:0 4px 15px #667eea66}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px #667eea99}.btn-secondary{display:inline-block;padding:12px 30px;background:transparent;color:#667eea;text-decoration:none;border-radius:30px;border:2px solid #667eea;cursor:pointer;font-size:16px;font-weight:600;transition:all .3s ease}.btn-secondary:hover{background:#667eea;color:#fff;transform:translateY(-2px)}.card{background:#fff;border-radius:12px;padding:30px;box-shadow:0 4px 15px #00000014;transition:all .3s ease}.card:hover{transform:translateY(-5px);box-shadow:0 8px 25px #0000001f}.section-title{text-align:center;font-size:36px;font-weight:700;margin-bottom:50px;color:#1e293b}.section-subtitle{text-align:center;font-size:18px;color:#475569;margin-top:-30px;margin-bottom:50px}@media (max-width: 768px){.section-title{font-size:28px}.section-subtitle{font-size:16px}}.scroll-animate{opacity:0;transform:translateY(30px);transition:opacity .6s ease-out,transform .6s ease-out}.scroll-animate.visible{opacity:1;transform:translateY(0)}