:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em}#app{max-width:1280px;margin:0 auto;padding:2rem;text-align:center}@media (prefers-color-scheme: light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #667eea;--secondary-color: #764ba2;--accent-color: #2ecc71;--warning-color: #f39c12;--danger-color: #e74c3c;--text-primary: #2c3e50;--text-secondary: #7f8c8d;--text-light: #bdc3c7;--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-light: #f5f5f5;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .05);--shadow-md: 0 4px 8px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 16px rgba(0, 0, 0, .15);--shadow-xl: 0 16px 32px rgba(0, 0, 0, .2);--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 50px;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--text-xs: .75rem;--text-sm: .875rem;--text-base: 1rem;--text-lg: 1.125rem;--text-xl: 1.25rem;--text-2xl: 1.5rem;--text-3xl: 1.875rem;--text-4xl: 2.25rem}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;color:var(--text-primary);background-color:var(--bg-light);line-height:1.6;font-size:var(--text-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;width:100%;overflow-x:hidden}#app{width:100%;min-height:100vh}.fade-in{animation:fadeIn .6s ease-in-out}.slide-up{animation:slideUp .6s ease-out}.bounce-in{animation:bounceIn .8s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounceIn{0%{opacity:0;transform:scale(.3)}50%{opacity:1;transform:scale(1.05)}70%{transform:scale(.9)}to{opacity:1;transform:scale(1)}}.btn{display:inline-block;padding:var(--spacing-sm) var(--spacing-lg);border:none;border-radius:var(--radius-full);font-size:var(--text-base);font-weight:600;text-decoration:none;text-align:center;cursor:pointer;transition:all .3s ease;box-shadow:var(--shadow-sm)}.btn-primary{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff}.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg)}.btn-secondary{background:var(--bg-primary);color:var(--primary-color);border:2px solid var(--primary-color)}.btn-secondary:hover{background:var(--primary-color);color:#fff}.container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg)}.section-title{font-size:var(--text-3xl);font-weight:700;text-align:center;margin-bottom:var(--spacing-2xl);color:var(--text-primary);position:relative}.section-title:after{content:"";display:block;width:60px;height:4px;background:linear-gradient(135deg,var(--primary-color),var(--secondary-color));margin:var(--spacing-md) auto 0;border-radius:var(--radius-sm)}.navbar{background:linear-gradient(135deg,var(--primary-color) 0%,var(--secondary-color) 100%);color:#fff;padding:var(--spacing-md) 0;box-shadow:var(--shadow-md);position:fixed;top:0;left:0;right:0;z-index:1000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);transition:all .3s ease}.navbar.navbar-scrolled{background:#667eeaf2;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:var(--spacing-sm) 0;box-shadow:var(--shadow-lg)}.navbar-scrolled .nav-link{color:#fff}.navbar-scrolled .nav-link.router-link-active{background:transparent!important;color:#fff;border-bottom:none;box-shadow:none}.navbar-scrolled .nav-link.router-link-active:before{display:none}.navbar-scrolled .nav-link:hover{color:#fff}.navbar-container{max-width:1400px;width:100%;margin:0 auto;padding:0 var(--spacing-lg);display:flex;justify-content:space-between;align-items:center}.navbar-brand{display:flex;align-items:center}.brand-link{display:flex;align-items:center;text-decoration:none;color:#fff;transition:transform .3s ease}.brand-link:hover{transform:scale(1.05)}.pet-icon{font-size:var(--text-2xl);margin-right:var(--spacing-sm);animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}.brand-name{font-size:var(--text-xl);font-weight:700;transition:all .3s ease}.navbar-scrolled .brand-name{font-size:var(--text-lg)}.navbar-menu{display:flex;align-items:center}.nav-links{list-style:none;display:flex;align-items:center;margin:0;padding:0;gap:var(--spacing-md);position:relative;z-index:1}.nav-background{position:absolute;top:0;left:0;height:100%;background:#ffffff26;border-radius:var(--radius-md);transition:all .3s cubic-bezier(.4,0,.2,1);opacity:0;pointer-events:none;z-index:0}.mobile-menu-toggle{display:none;flex-direction:column;cursor:pointer;padding:var(--spacing-sm);border-radius:var(--radius-sm);transition:background-color .3s ease;z-index:1001}.mobile-menu-toggle:hover{background-color:#ffffff1a}.mobile-menu-toggle span{width:25px;height:3px;background:#fff;margin:3px 0;transition:.3s;border-radius:var(--radius-sm);transform-origin:center}.mobile-menu-toggle span.active:nth-child(1){transform:rotate(45deg) translate(6px,6px)}.mobile-menu-toggle span.active:nth-child(2){opacity:0}.mobile-menu-toggle span.active:nth-child(3){transform:rotate(-45deg) translate(6px,-6px)}.nav-link{color:#fff;text-decoration:none;font-size:var(--text-base);font-weight:500;transition:all .3s ease;padding:var(--spacing-sm) var(--spacing-md);border-radius:var(--radius-md);position:relative;z-index:2}.nav-link:before{display:none}.nav-link:hover{color:#fff;transform:none}.nav-link.router-link-active{background:transparent!important;font-weight:600;color:#fff;border-bottom:none;box-shadow:none}.nav-link.router-link-active:before{display:none}.nav-link.download-btn.router-link-active{background:var(--accent-color)!important;color:#fff!important;box-shadow:var(--shadow-sm);border-bottom:none!important}.download-btn{background:var(--accent-color)!important;padding:var(--spacing-sm) var(--spacing-lg)!important;border-radius:var(--radius-full)!important;font-weight:600;transition:all .3s ease;box-shadow:var(--shadow-sm);margin-left:var(--spacing-md)}.download-btn:hover{background:#27ae60!important;transform:translateY(-3px);box-shadow:var(--shadow-lg)}.download-btn:before{display:none}.main-content{min-height:calc(100vh - 140px);margin-top:80px;width:100%}.container{max-width:1400px;width:100%;margin:0 auto;padding:0 var(--spacing-lg)}.footer{background:#2c3e50;color:#fff;padding:30px 0;margin-top:50px}.footer-content{display:flex;justify-content:space-between;align-items:center}.footer-info p{margin:0;font-size:.9rem;opacity:.8}.footer-links{display:flex;gap:20px}.footer-link{color:#fff;text-decoration:none;font-size:.9rem;opacity:.8;transition:opacity .3s ease}.footer-link:hover{opacity:1}@media (max-width: 1024px){.navbar-container,.container{padding:0 var(--spacing-md)}}@media (max-width: 768px){.navbar-container{padding:0 var(--spacing-md)}.navbar{padding:var(--spacing-sm) 0}.navbar-menu{position:fixed;top:70px;left:0;width:100%;background:#667eeafa;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);transform:translateY(-100%);transition:transform .3s ease;z-index:999;padding:var(--spacing-lg) 0}.navbar-menu.mobile-open{transform:translateY(0)}.mobile-menu-toggle{display:flex}.nav-links{flex-direction:column;gap:var(--spacing-sm);width:100%;padding:0}.nav-link{display:block;padding:var(--spacing-md) var(--spacing-lg);text-align:center;border-radius:var(--radius-md);margin:0 var(--spacing-md);width:calc(100% - 2 * var(--spacing-md));color:#fff}.nav-link.router-link-active{background:transparent!important;color:#fff;border-bottom:none;box-shadow:none}.nav-link.router-link-active:before{display:none}.nav-link:hover{color:#fff;background:#ffffff1a}.download-btn{margin:var(--spacing-md) var(--spacing-md) 0 var(--spacing-md)!important;width:calc(100% - 2 * var(--spacing-md))}.brand-name{font-size:var(--text-lg)}.main-content{margin-top:70px}.container{padding:0 var(--spacing-md)}.footer-content{flex-direction:column;text-align:center;gap:var(--spacing-md)}}@media (max-width: 480px){.navbar-container,.container{padding:0 var(--spacing-sm)}.brand-name{font-size:var(--text-base)}.pet-icon{font-size:var(--text-xl)}}