:root{--primary:#2563eb;--primary-dark:#1d4ed8;--secondary:#0ea5e9;--dark:#1e293b;--light:#f8fafc;--accent:#4f46e5;--success:#10b981}
body{font-family:'Segoe UI','Microsoft YaHei',sans-serif;color:#334155;background-color:#f5f7fa;overflow-x:hidden}
h1,h2,h3,h4,h5,h6{font-weight:700;color:var(--dark)}
.mt50{margin: 50px 0;}
/* logo */
.logo{position:relative;display:flex;align-items:center}
.logo a{position:relative;margin-right:20px}
.high p{margin:0;line-height:23px;color:#000;font-size:14px}
.logo a::after{content:"";position:absolute;top:6px;right:-11px;height:36px;width:1px;background:#e0e0e0}
/* 导航栏 */
.navbar{background-color:rgba(255,255,255,.98);box-shadow:0 2px 15px rgba(0,0,0,.05);padding:.8rem 0}
.navbar-brand{font-weight:800;color:var(--primary);font-size:1.6rem}
.navbar-brand span{color:var(--dark)}
.navbar-nav .nav-link{font-weight:500;margin:0 .5rem;transition:all .3s;color:var(--dark);position:relative}
.navbar-nav .nav-link::after{content:'';position:absolute;bottom:0;left:0;width:0;height:2px;background:var(--primary);transition:width .3s}
.navbar-nav .nav-link.active::after,.navbar-nav .nav-link:hover::after{width:100%}
.btn-primary{background-color:var(--primary);border-color:var(--primary);padding:.6rem 1.8rem;font-weight:500;border-radius:8px;transition:all .3s}
.btn-primary:hover{background-color:var(--primary-dark);border-color:var(--primary-dark);transform:translateY(-2px);box-shadow:0 5px 15px rgba(37,99,235,.3)}
/* 解决方案 */
.hero-section{background:linear-gradient(120deg,#e0f2fe 0,#dbeafe 100%);padding:6rem 0 4rem;position:relative;overflow:hidden}
.hero-section::before{content:"";position:absolute;top:-100px;right:-100px;width:300px;height:300px;background:linear-gradient(45deg,var(--primary),var(--secondary));border-radius:50%;opacity:.1}
.hero-section::after{content:"";position:absolute;bottom:-50px;left:-50px;width:200px;height:200px;background:linear-gradient(45deg,var(--primary),var(--secondary));border-radius:50%;opacity:.1}
.hero-content h1{font-size:2.8rem;line-height:1.3;margin-bottom:1.5rem;color:var(--dark)}
.hero-content p{font-size:1.1rem;margin-bottom:2rem;color:#475569}
/* 核心技术 */
.feature-card{background:#fff;border-radius:16px;box-shadow:0 8px 20px rgba(0,0,0,.05);padding:2rem;height:100%;transition:all .3s;border:none;text-align:center;position:relative;overflow:hidden}
.feature-card::before{content:"";position:absolute;top:0;left:0;width:100%;height:4px;background:linear-gradient(90deg,var(--primary),var(--secondary));transition:height .3s}
.feature-card:hover::before{height:6px}
.feature-card:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,.1)}
.feature-icon{width:80px;height:80px;background:linear-gradient(135deg,#e0f2fe 0,#dbeafe 100%);border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem}
.feature-icon i{font-size:2.2rem;color:var(--primary)}
/* 信创简介 */
.section-title{position:relative;display:inline-block;margin-bottom:3rem;padding-bottom:.8rem}
.section-title::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:80px;height:4px;background:linear-gradient(90deg,var(--primary),var(--secondary));border-radius:2px}
.standard-section{background:linear-gradient(135deg,var(--primary),var(--secondary));padding:4rem 0 5rem 0;color:#fff;position:relative;overflow:hidden}
.standard-section::before{content:"";position:absolute;top:-150px;right:-150px;width:400px;height:400px;background:rgba(255,255,255,.05);border-radius:50%}
.standard-card{background:rgba(255,255,255,.1);border-radius:16px;padding:2rem;height:100%;backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.15)}
.standard-card p{font-size: 18px;}
.white_color{color: #fff;}
.mb0{margin-bottom: 0 !important;}
/* 信创标准 */
.solution-card{background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 10px 25px rgba(0,0,0,.05);transition:all .3s;border:none;height:100%}
.solution-card:hover{transform:translateY(-10px);box-shadow:0 15px 35px rgba(0,0,0,.1)}
.solution-header{background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;padding:1.5rem;text-align:center}
.solution-header h3{color: #fff;}
.solution-body{padding:2rem}
.solution-body p{font-size: 16px;}
/*信创解决方案*/
.cebg {background: #f9fdff;}
.pd50 {padding: 50px 0;}
.cards-container{flex:1;padding:3rem 2rem;display:flex;flex-wrap:wrap;align-items:center;justify-content:center}
.infos{display:flex}
.infoico{margin-right:30px}
.features {min-height: 250px;background: #fff;border-radius: 15px;padding: 2rem;transition: all .3s ease;margin-bottom: 20px;box-shadow: 0 0 5px #ddd}
.features:hover{transform:translateY(-10px);box-shadow:0 20px 25px -5px rgba(59,130,246,.2);border-color:var(--accent)}
.feature-icon{width:70px;height:70px;background:rgba(59,130,246,.1);border-radius:18px;display:flex;align-items:center;justify-content:center;margin-bottom:1.5rem;font-size:2rem;color:var(--primary)}
.feature-title{font-size:1.4rem;font-weight:700;margin-bottom:1rem;color:#000}
.feature-description{color:#4b5563;flex-grow:1}
.tech-tags{display:flex;flex-wrap:wrap;gap:10px}
.tech-tag{background:rgba(59,130,246,.1);color:var(--primary);padding:5px 15px;border-radius:20px;font-size:.85rem;font-weight:500}
.tech-tag.highlight{background:var(--primary);color:#fff}
/* 页脚 */
footer{background-color:var(--dark);color:#cbd5e1;padding:4rem 0 2rem}
.footer-links{padding-left: 0;}
.footer-title{color:#fff;font-weight:600;margin-bottom:1.5rem;position:relative;padding-bottom:.8rem}
.footer-title::after{content:"";position:absolute;bottom:0;left:0;width:40px;height:3px;background:linear-gradient(90deg,var(--primary),var(--secondary))}
.footer-links li{margin-bottom:.8rem;list-style:none}
.footer-links a{color:#94a3b8;text-decoration:none;transition:all .3s}
.footer-links a:hover{color:#fff;padding-left:5px}
.social-icon{width:40px;height:40px;border-radius:50%;color: #fff; background:rgba(255,255,255,.1);display:inline-flex;align-items:center;justify-content:center;margin-right:.8rem;transition:all .3s}
.social-icon:hover{background:var(--primary);transform:translateY(-5px)}
.copyright{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;margin-top:3rem}
@media(max-width:992px){.hero-content h1{font-size:2.3rem}}
@media(max-width:768px){.hero-content h1{font-size:2rem}.hero-content p{font-size:1rem}.huifa_logo{width: 90px}.logo a::after{top:-1px}}