/* 發票購GO! - 優化版 CSS */
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes bounceGentle{0%,20%,50%,80%,100%{transform:translateY(0)}40%{transform:translateY(-5px)}60%{transform:translateY(-3px)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}@keyframes dots{0%,20%{color:rgba(0,0,0,0);text-shadow:.25em 0 0 rgba(0,0,0,0),.5em 0 0 rgba(0,0,0,0)}40%{color:#3b82f6;text-shadow:.25em 0 0 rgba(0,0,0,0),.5em 0 0 rgba(0,0,0,0)}60%{text-shadow:.25em 0 0 #3b82f6,.5em 0 0 rgba(0,0,0,0)}80%,100%{text-shadow:.25em 0 0 #3b82f6,.5em 0 0 #3b82f6}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}@keyframes pulse-glow{0%,100%{box-shadow:0 0 20px rgba(59,130,246,.3)}50%{box-shadow:0 0 30px rgba(59,130,246,.6)}}@keyframes security-pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.05);opacity:.9}}.hover-lift{transition:transform .2s ease-in-out}.hover-lift:hover{transform:translateY(-.25rem)}.hover-glow{transition:all .3s ease-in-out}.hover-glow:hover{box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05)}.btn-animate{transition:all .2s ease-in-out;transform:scale(1)}.btn-animate:hover{transform:scale(1.05)}.btn-animate:active{transform:scale(.95)}.loading-dots::after{content:'';animation:dots 1.5s steps(5,end) infinite}.notification{position:fixed;top:1rem;right:1rem;z-index:50;max-width:24rem;width:100%;background-color:#fff;border-radius:.5rem;box-shadow:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);border:1px solid #e5e7eb;padding:1rem;animation:slideIn .3s ease-out}.notification-success{border-left:4px solid #10b981;background-color:#f0fdf4}.notification-error{border-left:4px solid #ef4444;background-color:#fef2f2}.notification-info{border-left:4px solid #3b82f6;background-color:#eff6ff}.notification-warning{border-left:4px solid #f59e0b;background-color:#fffbeb}.animate-fade-in{animation:fadeIn .8s ease-out forwards}.animate-float{animation:float 3s ease-in-out infinite}.animate-pulse-glow{animation:pulse-glow 2s ease-in-out infinite}.animate-security-pulse{animation:security-pulse 2s ease-in-out infinite}.security-bg-blur{backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px)}.focus-visible:focus{outline:0;box-shadow:0 0 0 2px #3b82f6;border-radius:.25rem}.custom-scrollbar::-webkit-scrollbar{width:6px}.custom-scrollbar::-webkit-scrollbar-track{background-color:#f3f4f6;border-radius:9999px}.custom-scrollbar::-webkit-scrollbar-thumb{background-color:#9ca3af;border-radius:9999px}.custom-scrollbar::-webkit-scrollbar-thumb:hover{background-color:#6b7280}@media (max-width:768px){.touch-manipulation{touch-action:manipulation}button,a[role=button],.cursor-pointer{min-height:44px;min-width:44px}body{font-size:16px;line-height:1.6}.container{padding-left:1rem;padding-right:1rem}.security-section .grid{grid-template-columns:1fr;gap:1rem}.security-section .w-32{width:6rem!important;height:6rem!important}.security-section .text-5xl{font-size:2.5rem!important}.feature-card{margin-bottom:1.5rem}.feature-card .flex{flex-direction:column;text-align:center}.feature-card .ml-6{margin-left:0;margin-top:1rem}}@media (max-width:480px){h1{font-size:1.875rem!important;line-height:1.2}h2{font-size:1.5rem!important}h3{font-size:1.25rem!important}.btn-large{padding:1rem 1.5rem;font-size:1rem}.card-mobile{padding:1rem;margin-bottom:1rem}}@media (prefers-color-scheme:dark){.dark-mode{background-color:#111827;color:#fff}}