:root{--primary:#6c63ff;--secondary:#2d9cdb;--accent:#ff6b6b;--dark:#121212;--darker:#0a0a0a;--light:#f5f5f7;--gray:#8e8e93;--transition:all 0.3s cubic-bezier(0.4,0,0.2,1)}*{margin:0;padding:0;box-sizing:border-box;font-family:'Segoe UI','Microsoft YaHei',sans-serif}html{scroll-behavior:smooth}body{background-color:var(--dark);color:var(--light);line-height:1.6;overflow-x:hidden}.container{width:90%;max-width:1200px;margin:0 auto;padding:0 15px}section{padding:100px 0;opacity:0;transform:translateY(30px);animation:fadeInUp 0.8s ease forwards}@keyframes fadeInUp{to{opacity:1;transform:translateY(0)}}.section-title{text-align:center;margin-bottom:60px}.section-title h2{font-size:2.5rem;margin-bottom:15px;background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;position:relative;display:inline-block}.section-title h2::after{content:'';position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:60px;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:2px}.section-title p{color:var(--gray);max-width:600px;margin:20px auto 0;font-size:1.1rem}.btn{display:inline-block;background:linear-gradient(90deg,var(--primary),var(--secondary));color:white;padding:14px 35px;border-radius:30px;text-decoration:none;font-weight:600;transition:var(--transition);border:none;cursor:pointer;position:relative;overflow:hidden}.btn::before{content:'';position:absolute;top:50%;left:50%;width:0;height:0;background:rgba(255,255,255,0.2);border-radius:50%;transform:translate(-50%,-50%);transition:width 0.6s,height 0.6s}.btn:hover::before{width:300px;height:300px}.btn:hover{transform:translateY(-3px);box-shadow:0 15px 35px rgba(108,99,255,0.4)}header{background-color:rgba(18,18,18,0.9);backdrop-filter:blur(10px);position:fixed;width:100%;top:0;z-index:1000;border-bottom:1px solid rgba(255,255,255,0.1);transition:var(--transition)}header.scrolled{background-color:rgba(18,18,18,0.98);box-shadow:0 5px 20px rgba(0,0,0,0.3)}.navbar{display:flex;justify-content:space-between;align-items:center;padding:20px 0}.logo{font-size:26px;font-weight:700;color:var(--light);text-decoration:none;display:flex;align-items:center;transition:var(--transition)}.logo:hover{transform:scale(1.05)}.logo span{color:var(--primary);margin-left:2px}.nav-links{display:flex;list-style:none;gap:35px}.nav-links a{text-decoration:none;color:var(--light);font-weight:500;transition:var(--transition);position:relative;padding:5px 0}.nav-links a::after{content:'';position:absolute;width:0;height:2px;bottom:0;left:50%;transform:translateX(-50%);background:linear-gradient(90deg,var(--primary),var(--secondary));transition:var(--transition)}.nav-links a:hover{color:var(--primary)}.nav-links a:hover::after{width:100%}.mobile-menu{display:none;font-size:24px;cursor:pointer;color:var(--light);transition:var(--transition)}.mobile-menu:hover{color:var(--primary)}.hero{padding:180px 0 120px;background:linear-gradient(135deg,var(--darker) 0%,var(--dark) 100%);position:relative;overflow:hidden}.hero::before{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(108,99,255,0.15) 0%,transparent 70%);top:-250px;right:-150px;animation:pulse 8s ease-in-out infinite}.hero::after{content:'';position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(45,156,219,0.15) 0%,transparent 70%);bottom:-150px;left:-150px;animation:pulse 8s ease-in-out infinite 1s}@keyframes pulse{0%,100%{transform:scale(1);opacity:0.5}50%{transform:scale(1.1);opacity:0.8}}.hero-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;position:relative;z-index:1}.hero-text h1{font-size:3.5rem;margin-bottom:25px;line-height:1.2;animation:slideInLeft 0.8s ease}@keyframes slideInLeft{from{opacity:0;transform:translateX(-50px)}to{opacity:1;transform:translateX(0)}}.hero-text h1 span{background:linear-gradient(90deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:inline-block;animation:shimmer 3s ease-in-out infinite}@keyframes shimmer{0%,100%{opacity:1}50%{opacity:0.8}}.hero-text p{font-size:1.2rem;margin-bottom:35px;color:var(--gray);line-height:1.8;animation:slideInLeft 0.8s ease 0.2s both}.hero-buttons{display:flex;gap:20px;animation:slideInLeft 0.8s ease 0.4s both}.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}.btn-outline:hover{background:var(--primary);color:white;border-color:var(--primary)}.hero-visual{position:relative;animation:slideInRight 0.8s ease}@keyframes slideInRight{from{opacity:0;transform:translateX(50px)}to{opacity:1;transform:translateX(0)}}.hero-visual .circle{width:420px;height:420px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));position:relative;margin:0 auto;display:flex;align-items:center;justify-content:center;animation:float 6s ease-in-out infinite;box-shadow:0 20px 60px rgba(108,99,255,0.3)}.hero-visual .circle::before{content:'';position:absolute;width:370px;height:370px;border-radius:50%;background:var(--dark)}.hero-visual .circle-content{position:absolute;z-index:1;text-align:center;color:white}.hero-visual .circle-content h3{font-size:2.5rem;letter-spacing:4px;font-weight:700}@keyframes float{0%,100%{transform:translateY(0px)}50%{transform:translateY(-25px)}}.services{background-color:var(--darker)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}.service-card{background:rgba(255,255,255,0.03);border-radius:20px;padding:35px;transition:var(--transition);border:1px solid rgba(255,255,255,0.1);backdrop-filter:blur(10px);position:relative;overflow:hidden}.service-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(108,99,255,0.1),rgba(45,156,219,0.1));opacity:0;transition:var(--transition)}.service-card:hover{transform:translateY(-12px);box-shadow:0 20px 40px rgba(0,0,0,0.4);border-color:var(--primary)}.service-card:hover::before{opacity:1}.service-icon{width:75px;height:75px;background:linear-gradient(135deg,rgba(108,99,255,0.2),rgba(45,156,219,0.2));border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:25px;transition:var(--transition);position:relative;z-index:1}.service-card:hover .service-icon{transform:scale(1.1) rotate(5deg)}.service-icon i{font-size:32px;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.service-card h3{font-size:1.5rem;margin-bottom:15px;position:relative;z-index:1}.service-card p{color:var(--gray);margin-bottom:20px;line-height:1.7;position:relative;z-index:1}.service-link{color:var(--primary);text-decoration:none;font-weight:600;display:inline-flex;align-items:center;gap:8px;transition:var(--transition);position:relative;z-index:1}.service-link:hover{gap:15px;color:var(--secondary)}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.about-text h2{font-size:2.8rem;margin-bottom:25px;line-height:1.3}.about-text p{margin-bottom:20px;color:var(--gray);line-height:1.8;font-size:1.05rem}.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:25px;margin-top:40px}.stat{text-align:center;padding:20px;background:rgba(255,255,255,0.03);border-radius:15px;border:1px solid rgba(255,255,255,0.1);transition:var(--transition)}.stat:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:0 10px 25px rgba(0,0,0,0.3)}.stat-number{font-size:2.8rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}.stat-label{color:var(--gray);font-size:0.95rem;font-weight:500}.about-image{border-radius:20px;overflow:hidden;box-shadow:0 20px 50px rgba(0,0,0,0.4);position:relative}.about-image::after{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,rgba(108,99,255,0.2),rgba(45,156,219,0.2));opacity:0;transition:var(--transition)}.about-image:hover::after{opacity:1}.about-image img{width:100%;height:auto;display:block;transition:var(--transition)}.about-image:hover img{transform:scale(1.08)}.tech-stack{background-color:var(--darker)}.tech-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:25px}.tech-item{background:rgba(255,255,255,0.03);border-radius:15px;padding:30px 20px;text-align:center;transition:var(--transition);border:1px solid rgba(255,255,255,0.1);cursor:pointer}.tech-item:hover{transform:translateY(-8px) scale(1.05);border-color:var(--primary);background:rgba(108,99,255,0.1);box-shadow:0 15px 35px rgba(0,0,0,0.3)}.tech-icon{font-size:45px;margin-bottom:15px;transition:var(--transition)}.tech-item:hover .tech-icon{transform:rotateY(360deg);color:var(--primary)}.tech-icon{background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.tech-name{font-weight:600;font-size:1.05rem}.contact{background-color:var(--darker)}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:60px}.contact-info h2{font-size:2.8rem;margin-bottom:25px}.contact-info p{margin-bottom:35px;color:var(--gray);line-height:1.8;font-size:1.05rem}.contact-details{margin-bottom:35px}.contact-detail{display:flex;align-items:center;margin-bottom:18px;padding:15px;background:rgba(255,255,255,0.03);border-radius:10px;transition:var(--transition)}.contact-detail:hover{background:rgba(255,255,255,0.05);transform:translateX(10px)}.contact-detail i{margin-right:15px;color:var(--primary);font-size:1.3rem;width:30px}.social-links{display:flex;gap:15px}.social-links a{display:flex;align-items:center;justify-content:center;width:45px;height:45px;background:rgba(255,255,255,0.05);border-radius:50%;color:var(--light);text-decoration:none;transition:var(--transition);border:1px solid rgba(255,255,255,0.1)}.social-links a:hover{background:linear-gradient(135deg,var(--primary),var(--secondary));transform:translateY(-5px) rotate(10deg);box-shadow:0 10px 25px rgba(108,99,255,0.3)}.contact-action{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;background:linear-gradient(135deg,rgba(108,99,255,0.1),rgba(45,156,219,0.1));border-radius:20px;padding:50px;border:1px solid rgba(255,255,255,0.1);transition:var(--transition)}.contact-action:hover{transform:translateY(-10px);box-shadow:0 20px 50px rgba(0,0,0,0.4)}.contact-action i{font-size:70px;margin-bottom:25px;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.contact-action h3{font-size:2rem;margin-bottom:18px}.contact-action p{color:var(--gray);margin-bottom:30px;line-height:1.7}footer{background-color:#0a0a0a;padding:70px 0 30px;border-top:1px solid rgba(255,255,255,0.1)}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:50px;margin-bottom:50px}.footer-column h3{color:white;margin-bottom:25px;font-size:1.3rem}.footer-column p{color:var(--gray);line-height:1.7}.footer-links{list-style:none}.footer-links li{margin-bottom:12px}.footer-links a{color:var(--gray);text-decoration:none;transition:var(--transition);display:inline-block}.footer-links a:hover{color:var(--primary);transform:translateX(5px)}.copyright{text-align:center;padding-top:35px;border-top:1px solid rgba(255,255,255,0.1);color:var(--gray)}.beian{text-align:center;margin-top:15px}.beian a{color:var(--gray);text-decoration:none;transition:var(--transition)}.beian a:hover{color:var(--primary)}.scroll-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:linear-gradient(135deg,var(--primary),var(--secondary));color:white;border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transition:var(--transition);z-index:999;box-shadow:0 5px 20px rgba(108,99,255,0.4)}.scroll-top.visible{opacity:1;visibility:visible}.scroll-top:hover{transform:translateY(-5px);box-shadow:0 10px 30px rgba(108,99,255,0.5)}@media (max-width:992px){.hero-content,.about-content,.contact-content{grid-template-columns:1fr;gap:40px}.hero-text h1{font-size:2.8rem}.hero-visual{order:-1}.hero-visual .circle{width:320px;height:320px}.hero-visual .circle::before{width:270px;height:270px}.about-stats{grid-template-columns:repeat(3,1fr)}}@media (max-width:768px){.nav-links{position:fixed;left:-100%;top:80px;flex-direction:column;background-color:rgba(18,18,18,0.98);width:100%;text-align:center;transition:var(--transition);box-shadow:0 10px 27px rgba(0,0,0,0.5);padding:30px 0;gap:20px}.nav-links.active{left:0}.mobile-menu{display:block}.hero{padding:140px 0 80px}section{padding:80px 0}.hero-text h1{font-size:2.2rem}.hero-text p{font-size:1.05rem}.hero-buttons{flex-direction:column;gap:15px}.btn{width:100%;text-align:center}.services-grid{grid-template-columns:1fr}.about-stats{grid-template-columns:1fr}.section-title h2{font-size:2rem}.tech-grid{grid-template-columns:repeat(2,1fr)}.scroll-top{bottom:20px;right:20px;width:45px;height:45px}}@media (max-width:480px){.hero-visual .circle{width:280px;height:280px}.hero-visual .circle::before{width:230px;height:230px}.hero-visual .circle-content i{font-size:50px}.hero-visual .circle-content h3{font-size:1.3rem}}