*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI',system-ui,-apple-system,sans-serif;}body{background:#f8f9fa;padding:0 0 40px 0;line-height:1.6;}.container{max-width:1280px;margin:0 auto;}.carousel{position:relative;width:100%;aspect-ratio:16/6;margin-bottom:40px;border-radius:18px;overflow:hidden;box-shadow:0 10px 30px -15px rgba(0,0,0,0.1);background:#6C5CE7;}.slides{display:flex;height:100%;transition:transform 0.5s ease-in-out;}.slides img{width:100%;height:100%;object-fit:cover;flex-shrink:0;}.dots-container{position:absolute;bottom:15px;left:50%;transform:translateX(-50%);display:flex;gap:6px;background:rgba(0,0,0,0.3);padding:8px 12px;border-radius:20px;backdrop-filter:blur(5px);}.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.6);cursor:pointer;transition:all 0.3s;}.dot.active{background:#fff;transform:scale(1.3);}.nav-arrow{position:absolute;top:50%;transform:translateY(-50%);background:rgba(255,255,255,0.8);padding:15px 10px;border-radius:50%;cursor:pointer;transition:all 0.3s;z-index:2;display:none;font-size:1.5rem;color:#6C5CE7;user-select:none;}.nav-arrow:hover{background:white;transform:translateY(-50%) scale(1.1);}.prev{left:20px;}.next{right:20px;}@media (min-width:768px){.nav-arrow{display:block;}}.desktop-service-icon{position:fixed;right:20px;bottom:160px;z-index:1000;background:#6C5CE7;color:white;width:60px;height:60px;border-radius:50%;text-align:center;line-height:60px;font-size:24px;box-shadow:0 4px 12px rgba(108,92,231,0.3);cursor:pointer;transition:all 0.3s ease;}.desktop-service-icon:hover{background:#5b4bc4;transform:scale(1.1);}.desktop-service-modal{display:none;position:fixed;right:90px;top:50%;transform:translateY(-50%);z-index:999;background:white;border-radius:12px;box-shadow:0 10px 30px rgba(0,0,0,0.15);padding:15px;text-align:center;width:140px;transition:all 0.3s ease;}.qr-code{width:120px;height:120px;margin:0 auto 10px;background:#f1f3f5;display:flex;align-items:center;justify-content:center;border-radius:8px;overflow:hidden;}.qr-code img{width:100%;height:100%;object-fit:cover;}.service-text{font-size:14px;color:#636e72;line-height:1.4;}.service-text strong{color:#2d3436;font-weight:600;}.mobile-customer-service{display:none;position:fixed;bottom:20px;right:20px;z-index:1000;background:#6C5CE7;color:white;width:60px;height:60px;border-radius:50%;text-align:center;line-height:60px;font-size:24px;box-shadow:0 4px 12px rgba(108,92,231,0.3);cursor:pointer;transition:all 0.3s ease;}.mobile-customer-service:hover{background:#5b4bc4;transform:scale(1.1);}.mobile-service-modal{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:1001;justify-content:center;align-items:center;}.back-to-top{position:fixed;right:20px;bottom:90px;background:#6C5CE7;color:white;width:60px;height:60px;border:none;border-radius:50%;text-align:center;line-height:60px;font-size:24px;box-shadow:0 4px 12px rgba(108,92,231,0.3);cursor:pointer;transition:all 0.3s ease;opacity:0;visibility:hidden;z-index:1000;}.back-to-top:hover{background:#5b4bc4;transform:translateY(-5px);}.back-to-top.show{opacity:1;visibility:visible;}.modal-content{background:white;border-radius:15px;padding:25px;width:80%;max-width:300px;text-align:center;animation:modalFadeIn 0.3s ease;}@keyframes modalFadeIn{from{opacity:0;transform:translateY(20px);}to{opacity:1;transform:translateY(0);}}.close-btn{position:absolute;top:10px;right:15px;font-size:24px;cursor:pointer;color:#636e72;}@media (max-width:768px){.desktop-customer-service{display:none;}.mobile-customer-service{display:block;}}.version-header{text-align:center;margin-bottom:60px;}.version-header h1{color:#2d3436;font-size:2.8rem;margin-bottom:15px;text-shadow:2px 2px 4px rgba(0,0,0,0.05);}.version-header p{color:#636e72;font-size:1.15rem;max-width:600px;margin:0 auto;}.version-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px;padding:20px;}.version-card{background:white;border-radius:18px;padding:30px;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden;border:2px solid transparent;display:flex;flex-direction:column;min-height:540px;box-shadow:0 10px 30px -15px rgba(0,0,0,0.1);}.version-card:hover{transform:translateY(-8px);box-shadow:0 20px 40px -10px rgba(0,0,0,0.15);border-color:#6c5ce7;}.version-card::before{content:'';position:absolute;top:-120px;left:-120px;width:240px;height:240px;background:rgba(108,92,231,0.1);border-radius:50%;transition:all 0.5s ease;opacity:0;z-index:1;}.version-card:hover::before{top:-60px;left:-60px;opacity:1;}.version-badge{position:absolute;top:25px;right:-45px;background:#ff7675;color:white;padding:8px 50px;transform:rotate(45deg);font-size:0.95rem;font-weight:600;box-shadow:0 3px 6px rgba(0,0,0,0.1);z-index:2;}.version-image{width:140px;height:140px;margin:0 auto 25px;background:#f1f3f5;border-radius:12px;display:flex;align-items:center;justify-content:center;position:relative;z-index:2;}.version-image img{max-width:90px;max-height:90px;transition:all 0.3s ease;filter:grayscale(20%);}.version-card:hover .version-image img{filter:drop-shadow(0 8px 15px rgba(108,92,231,0.3));transform:scale(1.05);}.version-title{text-align:center;color:#2d3436;margin-bottom:20px;font-size:1.8rem;font-weight:600;position:relative;z-index:2;}.feature-list{list-style:none;margin:25px 0;flex:1;position:relative;z-index:2;}.feature-item{padding:12px 0;border-bottom:1px solid #f1f3f5;display:flex;align-items:center;gap:12px;font-size:1.05rem;color:#4a5568;}.feature-icon{color:#6c5ce7;font-size:1.3rem;flex-shrink:0;}.price{text-align:center;color:#2d3436;font-size:2.2rem;font-weight:700;margin:20px 0;position:relative;z-index:2;}.price sub{font-size:1.2rem;font-weight:500;color:#636e72;margin-left:5px;}.cta-button{display:block;width:100%;padding:15px;background:#6c5ce7;color:white;text-align:center;text-decoration:none;border-radius:10px;transition:all 0.3s ease;margin-top:auto;font-size:1.05rem;font-weight:600;text-transform:uppercase;letter-spacing:0.5px;position:relative;z-index:2;}.cta-button:hover{background:#5b4bc4;transform:translateY(-3px);box-shadow:0 8px 20px -5px rgba(108,92,231,0.5);}@media (max-width:1200px){.version-grid{grid-template-columns:repeat(2,1fr);}.version-card{min-height:520px;}}@media (max-width:768px){.version-grid{grid-template-columns:1fr;}.version-card{min-height:auto;padding:25px;}.version-header h1{font-size:2.2rem;}}.intro-card,.intro-column{background:white;border-radius:18px;padding:30px;transition:all 0.35s cubic-bezier(0.4,0,0.2,1);position:relative;overflow:hidden;border:2px solid transparent;box-shadow:0 10px 30px -15px rgba(0,0,0,0.1);}.intro-column{padding:25px;}.intro-card:hover,.intro-column:hover{transform:translateY(-8px);box-shadow:0 20px 40px -10px rgba(0,0,0,0.15);border-color:#6c5ce7;}.intro-card::before,.intro-column::before{content:'';position:absolute;top:-120px;left:-120px;width:240px;height:240px;background:rgba(108,92,231,0.1);border-radius:50%;transition:all 0.5s ease;opacity:0;z-index:1;}.intro-card:hover::before,.intro-column:hover::before{top:-60px;left:-60px;opacity:1;}.intro-card:hover .thumbnail-container img,.intro-column:hover .thumbnail-container img{filter:drop-shadow(0 8px 15px rgba(108,92,231,0.3));transform:scale(1.05);}@media (max-width:992px){.intro-row-3col{grid-template-columns:repeat(2,1fr) !important;}}@media (max-width:768px){.intro-row{grid-template-columns:1fr !important;}.intro-row-3col{grid-template-columns:1fr !important;}}@media (max-width:576px){.system-intro h2{font-size:1.8rem !important;}.intro-card{padding:20px !important;}.intro-column{padding:20px !important;}}