@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap";
body{font-family:Inter,sans-serif}.gradient-bg{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.feature-card{transition:transform .3s,box-shadow .3s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000026}.price-card{transition:transform .3s,box-shadow .3s}.price-card:hover{transform:scale(1.05)}.smooth-scroll{scroll-behavior:smooth}.demo-slider{background:#fff;border-radius:16px;position:relative;overflow:hidden;box-shadow:0 20px 60px #00000026}.demo-slides{background-color:#eee;transition:transform .5s ease-in-out}.demo-slide{min-width:100%;transition:all .5s ease-in-out;position:relative}.demo-slide img{width:100%;height:auto;display:block}.demo-nav-btn{cursor:pointer;z-index:10;background:#fffffff2;border:none;border-radius:50%;justify-content:center;align-items:center;width:50px;height:50px;transition:all .3s;display:flex;position:absolute;top:50%;transform:translateY(-50%);box-shadow:0 4px 12px #00000026}.demo-nav-btn:hover{background:#fff;transform:translateY(-50%)scale(1.1);box-shadow:0 6px 20px #0003}.demo-nav-btn.prev{left:20px}.demo-nav-btn.next{right:20px}.demo-nav-btn svg{color:#7c3aed;width:24px;height:24px}.demo-indicators{z-index:10;gap:10px;display:flex;position:absolute;bottom:20px;left:50%;transform:translate(-50%)}.demo-indicator{cursor:pointer;background:#ffffff80;border:2px solid #fff;border-radius:50%;width:12px;height:12px;transition:all .3s}.demo-indicator.active{background:#fff;transform:scale(1.3)}.demo-slide-content{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:5;background:#fffffff2;border-radius:12px;padding:24px;position:absolute;bottom:60px;left:40px;right:40px;box-shadow:0 4px 20px #0000001a}@media (max-width:768px){.demo-nav-btn{width:40px;height:40px}.demo-nav-btn.prev{left:10px}.demo-nav-btn.next{right:10px}.demo-slide-content{padding:16px;bottom:50px;left:20px;right:20px}}.floating-demo-btn{color:#fff;cursor:pointer;z-index:999;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);border-radius:50px;align-items:center;gap:8px;padding:16px 24px;font-weight:600;text-decoration:none;transition:all .3s;display:flex;position:fixed;bottom:30px;right:30px;box-shadow:0 10px 30px #667eea66}.floating-demo-btn:hover{transform:translateY(-3px);box-shadow:0 15px 40px #667eea80}.floating-demo-btn svg{width:20px;height:20px;animation:2s infinite pulse}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}@media (max-width:768px){.floating-demo-btn{padding:12px 20px;font-size:14px;bottom:20px;right:20px}}.lang-dropdown{display:inline-block;position:relative}.lang-dropdown-button{color:#374151;cursor:pointer;background:#fff;border:1px solid #e5e7eb;border-radius:8px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;transition:all .3s;display:flex}.lang-dropdown-button:hover{color:#7c3aed;border-color:#7c3aed;box-shadow:0 2px 8px #7c3aed26}.lang-dropdown-button .lang-flag{font-size:18px}.lang-dropdown-button svg{transition:transform .3s}.lang-dropdown.active .lang-dropdown-button{border-color:#7c3aed;box-shadow:0 2px 8px #7c3aed26}.lang-dropdown.active .lang-dropdown-button svg{color:#7c3aed;transform:rotate(180deg)}.lang-dropdown-menu{opacity:0;visibility:hidden;z-index:1000;background:#fff;border:1px solid #e5e7eb;border-radius:12px;min-width:200px;transition:all .3s cubic-bezier(.4,0,.2,1);position:absolute;top:calc(100% + 8px);right:0;overflow:hidden;transform:translateY(-10px);box-shadow:0 10px 25px #0000001a,0 4px 10px #0000000d}.lang-dropdown.active .lang-dropdown-menu{opacity:1;visibility:visible;transform:translateY(0)}.lang-dropdown-menu:before{content:"";background:#fff;border-top:1px solid #e5e7eb;border-left:1px solid #e5e7eb;width:12px;height:12px;position:absolute;top:-6px;right:20px;transform:rotate(45deg)}.lang-dropdown-item{cursor:pointer;color:#374151;text-align:left;background:0 0;border:none;align-items:center;gap:12px;width:100%;padding:12px 16px;font-size:14px;transition:all .2s;display:flex;position:relative}.lang-dropdown-item:first-child{margin-top:4px}.lang-dropdown-item:last-child{margin-bottom:4px}.lang-dropdown-item:hover{background:linear-gradient(90deg,#f9fafb,#fff);padding-left:20px}.lang-dropdown-item.active{color:#7c3aed;background:linear-gradient(135deg,#ede9fe 0%,#ddd6fe 100%);font-weight:600}.lang-dropdown-item.active:before{content:"";background:linear-gradient(#7c3aed 0%,#a78bfa 100%);border-radius:0 3px 3px 0;width:3px;position:absolute;top:0;bottom:0;left:0}.lang-dropdown-item .lang-flag{background:#f9fafb;border-radius:6px;justify-content:center;align-items:center;width:28px;height:28px;font-size:20px;transition:transform .2s;display:flex}.lang-dropdown-item:hover .lang-flag{transform:scale(1.1)}.lang-dropdown-item .lang-name{flex:1}.lang-dropdown-item .checkmark{color:#7c3aed;opacity:0;margin-left:auto;transition:all .2s;transform:scale(.8)}.lang-dropdown-item.active .checkmark{opacity:1;transform:scale(1)}[lang=en] .zh-only,[lang=zh-CN] .en-only{display:none!important}