*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;line-height:1.6;color:#333;overflow-x:hidden}.navbar{background:linear-gradient(135deg,#667eea 0,#764ba2 100%);backdrop-filter:blur(10px);transition:all .3s ease;padding:1rem 0}.navbar-brand{font-size:1.8rem;font-weight:700;color:#fff!important}.navbar-nav .nav-link{color:#fff!important;font-weight:500;margin:0 .5rem;transition:all .3s ease;position:relative}.navbar-nav .nav-link:hover{color:gold!important;transform:translateY(-2px)}.navbar-nav .nav-link::after{content:'';position:absolute;width:0;height:2px;bottom:-5px;left:50%;background:gold;transition:all .3s ease;transform:translateX(-50%)}.navbar-nav .nav-link:hover::after{width:100%}.hero-section{background:linear-gradient(135deg,#667eea 0,#764ba2 100%);position:relative;overflow:hidden}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.3)}.hero-content{position:relative;z-index:2;color:#fff}.hero-title{font-size:3.5rem;font-weight:700;margin-bottom:1rem;animation:fadeInUp 1s ease}.text-gradient{background:linear-gradient(45deg,gold,#ff6b6b);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:1.5rem;margin-bottom:1rem;animation:fadeInUp 1s ease .2s both}.hero-description{font-size:1.1rem;margin-bottom:2rem;opacity:.9;animation:fadeInUp 1s ease .4s both}.hero-buttons{animation:fadeInUp 1s ease .6s both}.btn-primary{background:linear-gradient(45deg,#ff6b6b,gold);border:none;padding:12px 30px;border-radius:50px;font-weight:600;transition:all .3s ease}.btn-primary:hover{transform:translateY(-3px);box-shadow:0 10px 25px rgba(255,107,107,.3)}.btn-outline-light{border:2px solid #fff;padding:12px 30px;border-radius:50px;font-weight:600;transition:all .3s ease}.btn-outline-light:hover{background:#fff;color:#667eea!important;transform:translateY(-3px);box-shadow:0 10px 25px rgba(255,255,255,.3)}.particles-container{position:absolute;top:0;left:0;width:100%;height:100%;overflow:hidden;z-index:1}.particle{position:absolute;background:rgba(255,255,255,.9);border-radius:50%;pointer-events:none;animation:particleFloat linear infinite}.particle.glow{background:radial-gradient(circle,gold 0,rgba(255,215,0,.6) 40%,rgba(255,215,0,.2) 70%,transparent 100%);box-shadow:0 0 20px rgba(255,215,0,.8),0 0 40px rgba(255,215,0,.4),0 0 60px rgba(255,215,0,.2)}.particle.blue{background:radial-gradient(circle,#667eea 0,rgba(102,126,234,.6) 40%,rgba(102,126,234,.2) 70%,transparent 100%);box-shadow:0 0 16px rgba(102,126,234,.7),0 0 32px rgba(102,126,234,.4),0 0 48px rgba(102,126,234,.2)}.particle.purple{background:radial-gradient(circle,#764ba2 0,rgba(118,75,162,.6) 40%,rgba(118,75,162,.2) 70%,transparent 100%);box-shadow:0 0 16px rgba(118,75,162,.7),0 0 32px rgba(118,75,162,.4),0 0 48px rgba(118,75,162,.2)}@keyframes particleFloat{0%{transform:translateY(100vh) translateX(0) rotate(0);opacity:0}10%{opacity:1}50%{transform:translateY(50vh) translateX(var(--drift,0)) rotate(180deg);opacity:1}90%{opacity:1}100%{transform:translateY(-100px) translateX(calc(var(--drift,0) * 2)) rotate(360deg);opacity:0}}.hero-animation{position:relative;height:500px;z-index:2}.floating-elements{position:relative;width:100%;height:100%}.floating-element{position:absolute;width:80px;height:80px;background:rgba(255,255,255,.1);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:2rem;color:gold;animation:float 6s ease-in-out infinite;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2)}.floating-element:first-child{top:20%;left:10%;animation-delay:0s}.floating-element:nth-child(2){top:60%;left:70%;animation-delay:1.5s}.floating-element:nth-child(3){top:10%;right:20%;animation-delay:3s}.floating-element:nth-child(4){bottom:20%;left:30%;animation-delay:4.5s}.section-title{font-size:2.5rem;font-weight:700;margin-bottom:1rem;position:relative}.section-title::after{content:'';position:absolute;width:60px;height:4px;background:linear-gradient(45deg,#667eea,#764ba2);bottom:-10px;left:50%;transform:translateX(-50%);border-radius:2px}.section-subtitle{font-size:1.2rem;color:#666;margin-bottom:3rem}.about-content h3{color:#667eea;margin-bottom:1rem;font-weight:600}.stats-row{display:flex;gap:2rem;margin-top:2rem}.stat-item{text-align:center}.stat-item h4{font-size:2rem;color:#667eea;font-weight:700;margin-bottom:.5rem}.stat-item p{color:#666;font-weight:500}.tech-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin-top:2rem}.tech-item{background:linear-gradient(135deg,#667eea,#764ba2);color:#fff;padding:1.5rem;border-radius:10px;text-align:center;font-weight:600;transition:all .3s ease;cursor:pointer}.tech-item:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(102,126,234,.3)}.service-card{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:2rem;text-align:center;transition:all .3s ease;height:100%;color:#fff}.service-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,.3);background:rgba(255,255,255,.15)}.service-icon{width:80px;height:80px;background:linear-gradient(45deg,gold,#ff6b6b);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;font-size:2rem;color:#fff}.service-card h4{margin-bottom:1rem;color:gold;font-weight:600}.service-card p{opacity:.9;line-height:1.6}.product-card{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.1);transition:all .3s ease;height:100%}.product-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,.15)}.product-image{background:linear-gradient(135deg,#667eea,#764ba2);padding:3rem;text-align:center;color:#fff}.product-content{padding:2rem}.product-content h4{color:#667eea;margin-bottom:1rem;font-weight:600}.product-content ul{list-style:none;padding:0;margin-top:1rem}.product-content li{padding:.5rem 0;border-bottom:1px solid #eee;position:relative;padding-left:1.5rem}.product-content li::before{content:'✓';position:absolute;left:0;color:#667eea;font-weight:700}.product-content li:last-child{border-bottom:none}.membership-steps{max-width:800px;margin:0 auto}.step-card{background:rgba(255,255,255,.1);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.2);border-radius:15px;padding:2rem;transition:all .3s ease;position:relative;overflow:hidden}.step-card:hover{background:rgba(255,255,255,.15);transform:translateY(-5px);box-shadow:0 15px 35px rgba(0,0,0,.2)}.step-header{display:flex;align-items:center;margin-bottom:1.5rem;gap:1rem}.step-number{width:50px;height:50px;background:linear-gradient(45deg,gold,#ff6b6b);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:700;color:#fff;box-shadow:0 5px 15px rgba(255,215,0,.3)}.step-title{color:gold;margin:0;font-weight:600;font-size:1.3rem}.step-content{color:#fff;line-height:1.6}.step-content p{margin-bottom:1rem;font-size:1.1rem}.step-content strong{color:gold}.wechat-id{background:rgba(255,215,0,.2);padding:2px 8px;border-radius:5px;font-family:'Courier New',monospace}.wechat-info{display:flex;align-items:center;gap:1rem;margin-top:1rem;padding:1rem;background:rgba(255,255,255,.1);border-radius:10px;border-left:4px solid gold}.wechat-info i{color:#07c160}.wechat-text{font-weight:600;color:gold}.celebration{display:flex;align-items:center;gap:1rem;margin-top:1rem;padding:1rem;background:rgba(255,215,0,.1);border-radius:10px;border:2px solid rgba(255,215,0,.3)}.celebration i{color:gold}.celebration span{font-weight:600;color:gold;font-size:1.1rem}.step-card::before{content:'';position:absolute;top:0;left:-100%;width:100%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.1),transparent);transition:left .5s ease}.step-card:hover::before{left:100%}.social-links a{display:inline-block;width:40px;height:40px;background:rgba(255,255,255,.1);border-radius:50%;text-align:center;line-height:40px;transition:all .3s ease}.social-links a:hover{background:gold;color:#333!important;transform:translateY(-3px)}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-20px)}}@media (max-width:768px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.section-title{font-size:2rem}.stats-row{flex-direction:column;gap:1rem}.tech-grid{grid-template-columns:1fr}.floating-element{width:60px;height:60px;font-size:1.5rem}.hero-animation{height:300px;margin-top:2rem}}@media (max-width:576px){.hero-title{font-size:2rem}.hero-buttons{flex-direction:column;gap:1rem}.hero-buttons .btn{width:100%}}html{scroll-behavior:smooth}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:linear-gradient(135deg,#667eea,#764ba2);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:linear-gradient(135deg,#764ba2,#667eea)}footer p{font-size:.8rem}footer p a{font-size:.8rem}