*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color:#007AFF;--primary-dark:#005FCC;--secondary-color:#333333;--light-gray:#F5F5F5;--white:#FFFFFF;--accent-color:#FF6B35;--text-color:#333333;--text-light:#666666;--border-color:#E0E0E0}body{font-family:'Microsoft YaHei','PingFang SC','Helvetica Neue',Arial,sans-serif;color:var(--text-color);line-height:1.6;overflow-x:hidden}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{position:fixed;top:0;left:0;width:100%;background:rgba(255,255,255,0.95);backdrop-filter:blur(10px);box-shadow:0 2px 10px rgba(0,0,0,0.1);z-index:1000;transition:all 0.3s ease}.navbar{padding:1rem 0}.navbar .container{display:flex;justify-content:space-between;align-items:center}.nav-brand{display:flex;align-items:center;gap:10px;font-size:1.5rem;font-weight:bold;color:var(--primary-color)}.nav-brand i{font-size:1.8rem}.nav-menu{display:flex;list-style:none;gap:2rem}.nav-link{text-decoration:none;color:var(--text-color);font-weight:500;transition:color 0.3s ease;position:relative}.nav-link:hover{color:var(--primary-color)}.nav-link::after{content:'';position:absolute;bottom:-5px;left:0;width:0;height:2px;background:var(--primary-color);transition:width 0.3s ease}.nav-link:hover::after{width:100%}.nav-link.active{color:var(--primary-color)}.nav-link.active::after{width:100%}.hamburger{display:none;flex-direction:column;cursor:pointer;gap:5px}.hamburger span{width:25px;height:3px;background:var(--text-color);transition:all 0.3s ease}.hero{position:relative;min-height:320px;padding:80px 0 60px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary-color) 0%,var(--primary-dark) 100%);color:var(--white);text-align:center;overflow:hidden}.hero::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="%23ffffff" fill-opacity="0.1" d="M0,96L48,112C96,128,192,160,288,160C384,160,480,128,576,112C672,96,768,96,864,112C960,128,1056,160,1152,160C1248,160,1344,128,1392,112L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>') no-repeat bottom;background-size:cover;opacity:0.3}.hero-overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.2)}.hero-content{position:relative;z-index:2;animation:fadeInUp 1s ease}.hero-title{font-size:3.5rem;font-weight:bold;margin-bottom:1rem;text-shadow:2px 2px 4px rgba(0,0,0,0.3)}.hero-subtitle{font-size:1.5rem;margin-bottom:2rem;opacity:0.9}.scroll-indicator{position:absolute;bottom:30px;left:50%;transform:translateX(-50%);animation:bounce 2s infinite;color:var(--white);font-size:2rem;z-index:2}.products-section{background:var(--white)}.product-intro{max-width:800px;margin:0 auto 3rem;font-size:1.1rem;line-height:1.8;color:var(--text-light);text-align:center}.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem}.product-card{background:var(--light-gray);padding:2.5rem;border-radius:15px;text-align:center;transition:all 0.3s ease;box-shadow:0 3px 10px rgba(0,0,0,0.05)}.product-card:hover{transform:translateY(-8px);box-shadow:0 10px 30px rgba(0,122,255,0.15)}.product-icon{width:80px;height:80px;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:2rem}.product-card h3{font-size:1.5rem;color:var(--secondary-color);margin-bottom:1rem}.product-card p{color:var(--text-light);line-height:1.6}.software-list-section .section-header{margin-bottom:2.5rem}.software-list{display:flex;flex-direction:column;gap:2rem}.software-card{background:var(--light-gray);border-radius:16px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,0.08)}.software-card-content{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem;align-items:center;padding:2.5rem}.software-card-text{min-width:0}.software-card-title{font-size:1.75rem;color:var(--secondary-color);margin-bottom:0.5rem}.software-card-slogan{font-size:1.1rem;color:var(--primary-color);font-weight:500;margin-bottom:1.25rem}.software-card-desc{font-size:1rem;color:var(--text-light);line-height:1.8;margin-bottom:1.5rem}.software-features{list-style:none;display:flex;flex-wrap:wrap;gap:1rem}.software-features li{display:flex;align-items:center;gap:0.5rem;font-size:0.95rem;color:var(--text-color)}.software-features li i{color:var(--primary-color)}.software-card-images{display:flex;flex-direction:column;gap:1rem;align-items:center}.software-img{max-width:100%;height:auto;border-radius:12px;box-shadow:0 4px 12px rgba(0,0,0,0.1)}.software-img:not([src]),.software-img[src=""]{display:none}.software-img-main{max-width:280px}.software-img-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0.75rem}.software-img-grid .software-img{max-width:120px}section{padding:80px 0}.section-header{text-align:center;margin-bottom:4rem}.section-header h2{font-size:2.5rem;color:var(--secondary-color);margin-bottom:1rem}.section-line{width:80px;height:4px;background:linear-gradient(90deg,var(--primary-color),var(--primary-dark));margin:0 auto 1rem;border-radius:2px}.section-header p{font-size:1.2rem;color:var(--text-light)}.about-section{background:var(--white)}.about-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}.about-info{display:flex;flex-direction:column;gap:2rem}.info-item{display:flex;gap:1.5rem;padding:1.5rem;background:var(--light-gray);border-radius:10px;transition:transform 0.3s ease,box-shadow 0.3s ease}.info-item:hover{transform:translateY(-5px);box-shadow:0 5px 15px rgba(0,0,0,0.1)}.info-item i{font-size:2rem;color:var(--primary-color);flex-shrink:0}.info-text h3{font-size:1.2rem;color:var(--secondary-color);margin-bottom:0.5rem}.info-text p{color:var(--text-light);line-height:1.6}.about-description{background:var(--light-gray);padding:2rem;border-radius:10px}.about-description h3{font-size:1.8rem;color:var(--secondary-color);margin-bottom:1rem}.about-description p{color:var(--text-light);line-height:1.8;margin-bottom:1rem}.services-section{background:var(--light-gray)}.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:2rem}.service-card{background:var(--white);padding:2.5rem;border-radius:15px;text-align:center;transition:all 0.3s ease;box-shadow:0 3px 10px rgba(0,0,0,0.05)}.service-card:hover{transform:translateY(-10px);box-shadow:0 10px 30px rgba(0,122,255,0.2)}.service-icon{width:80px;height:80px;margin:0 auto 1.5rem;background:linear-gradient(135deg,var(--primary-color),var(--primary-dark));border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:2rem}.service-card h3{font-size:1.5rem;color:var(--secondary-color);margin-bottom:1rem}.service-card p{color:var(--text-light);line-height:1.6}.contact-section{background:var(--white)}.contact-content{display:grid;grid-template-columns:1fr 1fr;gap:3rem}.contact-info{display:flex;flex-direction:column;gap:2rem}.contact-item{display:flex;gap:1.5rem;padding:1.5rem;background:var(--light-gray);border-radius:10px}.contact-icon{width:60px;height:60px;background:var(--primary-color);border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.5rem;flex-shrink:0}.contact-text h3{font-size:1.3rem;color:var(--secondary-color);margin-bottom:0.5rem}.contact-text p{color:var(--text-light);line-height:1.6}.contact-map{height:100%}.map-placeholder{height:100%;min-height:400px;background:var(--light-gray);border-radius:10px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-light)}.map-placeholder i{font-size:4rem;color:var(--primary-color);margin-bottom:1rem}.map-placeholder p{font-size:1.2rem;font-weight:500;margin-bottom:0.5rem}.map-placeholder small{text-align:center;line-height:1.6}.footer{background:var(--secondary-color);color:var(--white);padding:3rem 0 1rem}.footer-content{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-bottom:2rem}.footer-section h3,.footer-section h4{margin-bottom:1rem;color:var(--white)}.footer-section p{color:rgba(255,255,255,0.8);line-height:1.8;margin-bottom:0.5rem}.footer-bottom{text-align:center;padding-top:2rem;border-top:1px solid rgba(255,255,255,0.1)}.footer-bottom p{color:rgba(255,255,255,0.7);margin:0.5rem 0}.back-to-top{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:var(--primary-color);color:var(--white);border:none;border-radius:50%;font-size:1.2rem;cursor:pointer;opacity:0;visibility:hidden;transition:all 0.3s ease;z-index:999;box-shadow:0 3px 10px rgba(0,0,0,0.3)}.back-to-top.show{opacity:1;visibility:visible}.back-to-top:hover{background:var(--primary-dark);transform:translateY(-5px)}@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes bounce{0%,20%,50%,80%,100%{transform:translateX(-50%) translateY(0)}40%{transform:translateX(-50%) translateY(-10px)}60%{transform:translateX(-50%) translateY(-5px)}}@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.1)}}.fade-in{opacity:0;transform:translateY(30px);transition:opacity 0.6s ease,transform 0.6s ease}.fade-in.visible{opacity:1;transform:translateY(0)}@media screen and (max-width:1024px){.hero-title{font-size:2.5rem}.hero-subtitle{font-size:1.2rem}.about-content{grid-template-columns:1fr}.contact-content{grid-template-columns:1fr}.services-grid{grid-template-columns:repeat(auto-fit,minmax(250px,1fr))}.software-card-content{grid-template-columns:1fr}}@media screen and (max-width:768px){.container{padding:0 15px}.nav-menu{position:fixed;left:-100%;top:70px;flex-direction:column;background:var(--white);width:100%;text-align:center;transition:left 0.3s ease;box-shadow:0 10px 27px rgba(0,0,0,0.05);padding:2rem 0;gap:0}.nav-menu.active{left:0}.nav-menu li{margin:1rem 0}.nav-link{font-size:1.1rem;padding:0.5rem 0;display:block}.hamburger{display:flex}.hamburger.active span:nth-child(1){transform:rotate(45deg) translate(8px,8px)}.hamburger.active span:nth-child(2){opacity:0}.hamburger.active span:nth-child(3){transform:rotate(-45deg) translate(7px,-7px)}.hero{min-height:280px;padding-top:70px}.hero-title{font-size:2rem;padding:0 1rem}.hero-subtitle{font-size:1rem}section{padding:60px 0}.section-header h2{font-size:2rem}.section-header p{font-size:1rem}.info-item{flex-direction:column;text-align:center}.info-item i{margin:0 auto}.about-description{padding:1.5rem}.about-description h3{font-size:1.5rem}.services-grid{grid-template-columns:1fr;gap:1.5rem}.service-card{padding:2rem}.software-card-content{padding:1.5rem;grid-template-columns:1fr}.software-card-images{order:-1}.software-img-main{max-width:220px}.software-img-grid{grid-template-columns:repeat(3,1fr)}.software-img-grid .software-img{max-width:90px}.contact-item{flex-direction:column;text-align:center}.contact-icon{margin:0 auto}.map-placeholder{min-height:300px}.map-placeholder i{font-size:3rem}.footer-content{grid-template-columns:1fr;text-align:center}.back-to-top{width:45px;height:45px;bottom:20px;right:20px;font-size:1rem}.scroll-indicator{font-size:1.5rem}}@media screen and (max-width:480px){.hero-title{font-size:1.5rem}.hero-subtitle{font-size:0.9rem}.nav-brand{font-size:1.2rem}.section-header h2{font-size:1.8rem}.info-text h3,.contact-text h3{font-size:1.1rem}.service-card h3{font-size:1.3rem}}@media screen and (min-width:1400px){.container{max-width:1400px}.hero-title{font-size:4rem}.hero-subtitle{font-size:1.8rem}}@media print{.header,.hamburger,.scroll-indicator,.back-to-top{display:none}.hero{height:auto;min-height:auto;padding:2rem 0}section{padding:2rem 0;page-break-inside:avoid}}