.header{position:fixed;top:0;width:100%;z-index:50;background:#ffffffe6;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid #e5e7eb}.header .container{max-width:1280px;margin:0 auto;padding:1rem 1.5rem}.header .header-content{display:flex;align-items:center;justify-content:space-between}.header .logo{display:flex;align-items:center;cursor:pointer;transition:opacity .2s ease}.header .logo:hover{opacity:.8}.header .logo .logo-icon{width:2.5rem;height:2.5rem;border-radius:.5rem;background:linear-gradient(135deg,#3b82f6,#9333ea);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem}.header .logo .logo-text{margin-left:.75rem;font-size:1.25rem;font-weight:700;color:#1f2937}.header .nav{display:none;align-items:center;gap:2rem}@media(min-width:1024px){.header .nav{display:flex}}.header .nav .nav-link{color:#666;font-weight:500;transition:all .3s ease;position:relative;text-decoration:none;cursor:pointer}.header .nav .nav-link:hover{color:#667eea}.header .nav .nav-link:after{content:"";position:absolute;width:0;height:2px;bottom:-.3125rem;left:50%;background:#667eea;transition:all .3s ease}.header .nav .nav-link:hover:after{width:100%;left:0}.header .nav .btn-experience{background:linear-gradient(135deg,#667eea,#764ba2);border:none;color:#fff;padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;transition:all .3s ease}.header .nav .btn-experience:hover{transform:translateY(-2px);box-shadow:0 10px 25px #667eea4d}.header .mobile-menu-btn{display:block;background:transparent;border:none;font-size:1.5rem;color:#1f2937;padding:.5rem}.header .mobile-menu-btn:hover{background:#0000000d}@media(min-width:1024px){.header .mobile-menu-btn{display:none}}.header .mobile-menu{position:fixed;top:73px;left:0;width:100%;height:calc(100vh - 73px);background:#fff;transform:translate(100%);transition:transform .3s ease-in-out;z-index:49;overflow-y:auto;padding:1rem;border-top:1px solid #e5e7eb}.header .mobile-menu.is-open{transform:translate(0)}@media(min-width:1024px){.header .mobile-menu{display:none}}.header .mobile-menu .mobile-nav{display:flex;flex-direction:column;gap:1rem}.header .mobile-menu .mobile-nav-link{padding:1rem;font-size:1.125rem;font-weight:500;color:#1f2937;text-decoration:none;border-radius:.5rem;transition:background-color .2s}.header .mobile-menu .mobile-nav-link:hover,.header .mobile-menu .mobile-nav-link:active{background-color:#f3f4f6;color:#667eea}.header .mobile-menu .mobile-nav-divider{height:1px;background-color:#e5e7eb;margin:.5rem 0}.header .mobile-menu .mobile-language-selector{display:flex;align-items:center;justify-content:center;padding:1rem;gap:1rem;font-size:1rem;color:#6b7280}.header .mobile-menu .mobile-language-selector .lang-option{cursor:pointer;padding:.5rem 1rem;border-radius:.375rem;transition:all .2s}.header .mobile-menu .mobile-language-selector .lang-option.active{color:#667eea;background-color:#eff6ff;font-weight:600}.header .mobile-menu .mobile-language-selector .lang-separator{color:#d1d5db}.header .mobile-menu .mobile-btn-experience{margin-top:1rem;width:100%;padding:1rem;font-size:1.125rem;background:linear-gradient(135deg,#667eea,#764ba2);border:none}.footer{background:#111827;color:#fff;padding:4rem 0 2rem;position:relative}.footer .container{max-width:1280px;margin:0 auto;padding:0 1.5rem}.footer .footer-grid{display:grid;gap:2rem;margin-bottom:2rem;grid-template-columns:1fr;text-align:center}@media(min-width:640px){.footer .footer-grid{grid-template-columns:repeat(2,1fr);text-align:left}}@media(min-width:1024px){.footer .footer-grid{grid-template-columns:repeat(4,1fr)}}.footer .brand-header{display:flex;align-items:center;margin-bottom:1.5rem;justify-content:center}@media(min-width:640px){.footer .brand-header{justify-content:flex-start}}.footer .brand-icon{width:2.5rem;height:2.5rem;border-radius:.5rem;background:linear-gradient(135deg,#3b82f6,#9333ea);display:flex;align-items:center;justify-content:center;color:#fff;font-size:1.25rem}.footer .brand-name{margin-left:.75rem;font-size:1.25rem;font-weight:700}.footer .brand-desc{color:#9ca3af;line-height:1.6}.footer .footer-title{font-size:1.125rem;font-weight:700;margin-bottom:1rem}.footer .link-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:.75rem;align-items:center}@media(min-width:640px){.footer .link-list{align-items:flex-start}}.footer .link-list a{color:#9ca3af;text-decoration:none;transition:color .3s ease;cursor:pointer}.footer .link-list a:hover{color:#fff}.footer .contact-link-wrapper{position:relative;display:inline-block;width:fit-content}.footer .social-links{display:flex;gap:1rem;justify-content:center}@media(min-width:640px){.footer .social-links{justify-content:flex-start}}.footer .social-link{position:relative;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:transform .3s ease;width:40px;height:40px}.footer .social-link:hover{transform:scale(1.1)}.footer .wechat-icon{width:32px;height:32px;color:#9ca3af;transition:color .3s ease}.social-link:hover .footer .wechat-icon{color:#fff}.footer .footer-bottom{border-top:1px solid #374151;padding-top:2rem;text-align:center;color:#9ca3af}.footer .footer-bottom p{margin:0 0 .75rem}.footer .footer-bottom .license-info{display:flex;align-items:center;justify-content:center;gap:.75rem;font-size:.875rem;flex-wrap:wrap}.footer .footer-bottom .license-info .divider,.footer .footer-bottom .license-info .license-separator{color:#4b5563}.footer .footer-bottom .license-info a{color:#9ca3af;text-decoration:none;transition:color .3s ease}.footer .footer-bottom .license-info a:hover{color:#fff}.contact-qrcode-popup{position:absolute;top:-12px;left:50%;transform:translate(-50%,-100%);background:#fff;padding:1.25rem;border-radius:.75rem;box-shadow:0 10px 25px #00000026;z-index:100;width:200px;text-align:center;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.contact-qrcode-popup.visible{opacity:1;visibility:visible}.contact-qrcode-popup:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);border-width:8px 8px 0;border-style:solid;border-color:white transparent transparent transparent}@media(max-width:640px){.contact-qrcode-popup{position:fixed;inset:50% auto auto 50%;transform:translate(-50%,-50%);z-index:9999;box-shadow:0 4px 20px #0003;background:#fff}.contact-qrcode-popup:after{display:none}}.qrcode-popup{position:absolute;top:-12px;left:50%;transform:translate(-50%,-100%);background:#fff;padding:1.25rem;border-radius:.75rem;box-shadow:0 10px 25px #00000026;z-index:100;min-width:180px;text-align:center;opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease}.qrcode-popup.visible{opacity:1;visibility:visible}.qrcode-popup:after{content:"";position:absolute;bottom:-8px;left:50%;transform:translate(-50%);border-width:8px 8px 0;border-style:solid;border-color:white transparent transparent transparent}@media(max-width:640px){.qrcode-popup{position:fixed;inset:50% auto auto 50%;transform:translate(-50%,-50%);z-index:9999;box-shadow:0 4px 20px #0003;background:#fff}.qrcode-popup:after{display:none}}.qrcode-header{margin-bottom:.75rem;padding-bottom:.5rem;border-bottom:1px solid #f3f4f6}.qrcode-header span{font-size:.875rem;font-weight:600;color:#1f2937}.qrcode-wrapper{background:#fff;padding:.75rem;border-radius:.5rem;margin-bottom:.75rem;min-height:136px;display:flex;align-items:center;justify-content:center;border:1px solid #f3f4f6}.qrcode-img{width:120px;height:120px;object-fit:contain;display:block;margin:0 auto;background:#fff}.qrcode-tip{margin:0;font-size:.8125rem;color:#6b7280;font-weight:500}.mobile-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:1000;opacity:0;transition:opacity .3s ease}.mobile-overlay.visible{display:block;opacity:1}@media(min-width:641px){.mobile-overlay{display:none!important}}*{font-family:Tahoma,Arial,Roboto,Droid Sans,Helvetica Neue,Droid Sans Fallback,Heiti SC,Hiragino Sans GB,Simsun,sans-serif}body{margin:0;padding:0}#app{min-height:100vh}