*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;line-height:1.8;color:#333;background:#f8fafc}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
img{max-width:100%;display:block}
.container{max-width:1280px;margin:0 auto;padding:0 20px}
.header{background:#fff;box-shadow:0 2px 12px rgba(0,0,0,0.06);position:sticky;top:0;z-index:100}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:80px}
.logo{font-size:28px;font-weight:700;color:#1e40af;display:flex;align-items:center;gap:8px}
.logo span{background:linear-gradient(135deg,#3b82f6,#1e40af);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.nav-menu{display:flex;gap:8px}
.nav-menu li a{display:block;padding:10px 22px;border-radius:8px;font-size:16px;color:#475569;font-weight:500;transition:all .3s}
.nav-menu li a:hover,.nav-menu li a.active{background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;transform:translateY(-2px)}
.hero{background:linear-gradient(135deg,#1e3a8a 0%,#3b82f6 50%,#0ea5e9 100%);color:#fff;padding:100px 0 140px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;top:-50%;right:-20%;width:600px;height:600px;background:rgba(255,255,255,0.08);border-radius:50%}
.hero::after{content:"";position:absolute;bottom:-40%;left:-10%;width:500px;height:500px;background:rgba(255,255,255,0.05);border-radius:50%}
.hero-content{position:relative;z-index:2;max-width:820px}
.hero h1{font-size:52px;font-weight:800;margin-bottom:24px;line-height:1.3}
.hero h1 .emoji{font-size:44px}
.hero p{font-size:18px;margin-bottom:36px;opacity:.92;line-height:2}
.hero-btns{display:flex;gap:18px;flex-wrap:wrap}
.btn-primary,.btn-secondary{display:inline-flex;align-items:center;gap:8px;padding:16px 36px;border-radius:50px;font-size:16px;font-weight:600;cursor:pointer;transition:all .3s;border:none}
.btn-primary{background:#fff;color:#1e40af;box-shadow:0 8px 24px rgba(0,0,0,0.15)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.2)}
.btn-secondary{background:rgba(255,255,255,0.15);color:#fff;border:2px solid rgba(255,255,255,0.3)}
.btn-secondary:hover{background:rgba(255,255,255,0.25);transform:translateY(-3px)}
.stats-wrap{margin-top:-60px;position:relative;z-index:5}
.stats{background:#fff;border-radius:20px;box-shadow:0 12px 40px rgba(30,64,175,0.1);padding:40px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-item{text-align:center}
.stat-num{font-size:40px;font-weight:800;background:linear-gradient(135deg,#3b82f6,#1e40af);-webkit-background-clip:text;-webkit-text-fill-color:transparent;margin-bottom:8px}
.stat-label{font-size:14px;color:#64748b;font-weight:500}
.section{padding:90px 0}
.section-title{text-align:center;margin-bottom:60px}
.section-title h2{font-size:38px;font-weight:800;color:#0f172a;margin-bottom:16px}
.section-title h2 .emoji{font-size:32px;margin-right:10px}
.section-title p{font-size:17px;color:#64748b;max-width:680px;margin:0 auto}
.features{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.feature-card{background:#f8fafc;border-radius:16px;padding:36px 28px;transition:all .4s;border:1px solid #e2e8f0}
.feature-card:hover{transform:translateY(-8px);box-shadow:0 20px 50px rgba(30,64,175,0.12);border-color:#93c5fd;background:#fff}
.feature-icon{width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:32px;margin-bottom:20px}
.feature-icon.i1{background:#dbeafe}
.feature-icon.i2{background:#dcfce7}
.feature-icon.i3{background:#fef3c7}
.feature-icon.i4{background:#fce7f3}
.feature-icon.i5{background:#e0e7ff}
.feature-icon.i6{background:#cffafe}
.feature-card h3{font-size:20px;font-weight:700;color:#0f172a;margin-bottom:12px}
.feature-card p{font-size:15px;color:#64748b;line-height:1.8}
.products{background:linear-gradient(180deg,#f0f9ff 0%,#fff 100%)}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px}
.product-card{background:#fff;border-radius:20px;overflow:hidden;box-shadow:0 8px 30px rgba(15,23,42,0.06);transition:all .4s;border:1px solid #e2e8f0}
.product-card:hover{transform:translateY(-6px);box-shadow:0 24px 60px rgba(30,64,175,0.15)}
.product-banner{padding:50px 36px;font-size:60px;text-align:center;color:#fff}
.pb1{background:linear-gradient(135deg,#3b82f6,#1d4ed8)}
.pb2{background:linear-gradient(135deg,#f59e0b,#b45309)}
.pb3{background:linear-gradient(135deg,#10b981,#047857)}
.pb4{background:linear-gradient(135deg,#8b5cf6,#5b21b6)}
.product-body{padding:32px}
.product-body h3{font-size:24px;font-weight:700;color:#0f172a;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.product-body p{font-size:15px;color:#64748b;margin-bottom:18px;line-height:1.9}
.product-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px}
.product-tag{background:#eff6ff;color:#1e40af;padding:6px 14px;border-radius:20px;font-size:13px;font-weight:500}
.product-link{color:#3b82f6;font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:4px;transition:gap .3s}
.product-link:hover{gap:10px}
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:#f8fafc;border-radius:16px;overflow:hidden;transition:all .3s;border:1px solid #e2e8f0}
.news-card:hover{transform:translateY(-5px);box-shadow:0 16px 40px rgba(0,0,0,0.1);background:#fff}
.news-banner{height:180px;display:flex;align-items:center;justify-content:center;font-size:56px;color:#fff}
.nb1{background:linear-gradient(135deg,#ef4444,#991b1b)}
.nb2{background:linear-gradient(135deg,#14b8a6,#0f766e)}
.nb3{background:linear-gradient(135deg,#f97316,#9a3412)}
.nb4{background:linear-gradient(135deg,#06b6d4,#0e7490)}
.nb5{background:linear-gradient(135deg,#84cc16,#4d7c0f)}
.nb6{background:linear-gradient(135deg,#a855f7,#6b21a8)}
.news-body{padding:22px 24px}
.news-date{font-size:13px;color:#94a3b8;margin-bottom:10px;display:flex;align-items:center;gap:6px}
.news-body h3{font-size:17px;font-weight:700;color:#0f172a;margin-bottom:10px;line-height:1.5;min-height:52px}
.news-body h3 a:hover{color:#3b82f6}
.news-body p{font-size:14px;color:#64748b;line-height:1.7}
.security{background:linear-gradient(135deg,#0f172a 0%,#1e293b 100%);color:#fff}
.security .section-title h2{color:#fff}
.security .section-title p{color:#94a3b8}
.sec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin-top:50px}
.sec-item{background:rgba(255,255,255,0.05);border:1px solid rgba(148,163,184,0.2);border-radius:16px;padding:36px 28px;transition:all .3s}
.sec-item:hover{background:rgba(255,255,255,0.08);border-color:#60a5fa}
.sec-emoji{font-size:42px;margin-bottom:20px}
.sec-item h3{font-size:20px;font-weight:700;margin-bottom:14px;color:#fff}
.sec-item p{font-size:14px;color:#cbd5e1;line-height:1.9}
.about-intro{background:#fff}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-img{font-size:200px;text-align:center;background:linear-gradient(135deg,#dbeafe,#bfdbfe);border-radius:30px;padding:60px 20px}
.about-text h2{font-size:36px;font-weight:800;color:#0f172a;margin-bottom:24px}
.about-text p{font-size:16px;color:#475569;line-height:2;margin-bottom:18px}
.about-text ul{margin:24px 0}
.about-text ul li{font-size:16px;color:#334155;padding:8px 0 8px 30px;position:relative}
.about-text ul li::before{content:"✅";position:absolute;left:0;top:8px}
.timeline-section{background:#f8fafc}
.timeline{max-width:900px;margin:0 auto;position:relative}
.timeline::before{content:"";position:absolute;left:50%;top:0;bottom:0;width:3px;background:linear-gradient(180deg,#3b82f6,#93c5fd);transform:translateX(-50%)}
.tl-item{width:50%;padding:20px 40px;position:relative;margin-bottom:40px}
.tl-item.left{left:0;text-align:right;padding-right:60px}
.tl-item.right{left:50%;padding-left:60px}
.tl-dot{position:absolute;top:30px;width:20px;height:20px;border-radius:50%;background:#3b82f6;border:4px solid #fff;box-shadow:0 0 0 3px #dbeafe}
.tl-item.left .tl-dot{right:-10px}
.tl-item.right .tl-dot{left:-10px}
.tl-year{font-size:18px;font-weight:700;color:#1e40af;margin-bottom:8px}
.tl-content{background:#fff;border-radius:14px;padding:24px;box-shadow:0 4px 20px rgba(15,23,42,0.06)}
.tl-content h4{font-size:18px;font-weight:700;color:#0f172a;margin-bottom:10px}
.tl-content p{font-size:14px;color:#64748b;line-height:1.7}
.contact-section{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px}
.contact-info h2{font-size:34px;font-weight:800;color:#0f172a;margin-bottom:24px}
.contact-info p{font-size:16px;color:#475569;line-height:2;margin-bottom:30px}
.contact-list li{display:flex;align-items:flex-start;gap:16px;padding:18px 0;border-bottom:1px solid #f1f5f9}
.contact-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;background:#eff6ff}
.contact-list h4{font-size:15px;font-weight:700;color:#0f172a;margin-bottom:4px}
.contact-list p{font-size:14px;color:#64748b;margin:0}
.contact-form{background:#f8fafc;border-radius:20px;padding:40px;border:1px solid #e2e8f0}
.contact-form h3{font-size:22px;font-weight:700;color:#0f172a;margin-bottom:26px;display:flex;align-items:center;gap:10px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-size:14px;font-weight:600;color:#334155;margin-bottom:8px}
.form-group input,.form-group textarea{width:100%;padding:14px 16px;border:2px solid #e2e8f0;border-radius:10px;font-size:15px;font-family:inherit;transition:all .3s;background:#fff}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 4px #dbeafe}
.form-group textarea{resize:vertical;min-height:120px}
.submit-btn{width:100%;padding:16px;background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:all .3s}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(30,64,175,0.3)}
.download-section{background:linear-gradient(135deg,#1e40af,#3b82f6);color:#fff;padding:70px 0;position:relative;overflow:hidden}
.download-section::before{content:"";position:absolute;right:-10%;top:50%;transform:translateY(-50%);font-size:260px;opacity:.1}
.download-content{position:relative;z-index:2;max-width:720px}
.download-content h2{font-size:36px;font-weight:800;margin-bottom:20px;line-height:1.3}
.download-content p{font-size:16px;opacity:.9;margin-bottom:30px;line-height:2}
.dl-btns{display:flex;gap:16px;flex-wrap:wrap}
.dl-btn{display:inline-flex;align-items:center;gap:10px;padding:14px 28px;background:rgba(255,255,255,0.15);border:1px solid rgba(255,255,255,0.3);border-radius:10px;color:#fff;font-weight:600;font-size:15px;transition:all .3s}
.dl-btn:hover{background:rgba(255,255,255,0.25);transform:translateY(-2px)}
.news-list-page{background:#fff;padding:60px 0}
.news-filters{display:flex;gap:12px;justify-content:center;margin-bottom:40px;flex-wrap:wrap}
.news-filters a{padding:10px 22px;border-radius:30px;background:#f1f5f9;color:#475569;font-weight:500;font-size:14px;transition:all .3s}
.news-filters a.active,.news-filters a:hover{background:linear-gradient(135deg,#3b82f6,#1e40af);color:#fff}
.news-list-big{display:flex;flex-direction:column;gap:24px}
.news-item{display:grid;grid-template-columns:260px 1fr;gap:28px;background:#f8fafc;border-radius:16px;overflow:hidden;padding:20px;border:1px solid #e2e8f0;transition:all .3s}
.news-item:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,0,0,0.08);background:#fff}
.news-thumb{height:180px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:64px;color:#fff}
.news-detail h3{font-size:20px;font-weight:700;color:#0f172a;margin-bottom:12px}
.news-detail h3 a:hover{color:#3b82f6}
.news-meta{display:flex;gap:20px;margin-bottom:14px;font-size:13px;color:#94a3b8;flex-wrap:wrap}
.news-meta span{display:inline-flex;align-items:center;gap:4px}
.news-detail p{font-size:15px;color:#64748b;line-height:1.9;margin-bottom:14px}
.news-detail .more{color:#3b82f6;font-weight:600;font-size:14px}
.breadcrumb{background:#f8fafc;padding:18px 0;border-bottom:1px solid #e2e8f0}
.breadcrumb .container{font-size:14px;color:#64748b}
.breadcrumb a{color:#3b82f6}
.breadcrumb span{margin:0 8px;color:#cbd5e1}
.page-title{background:linear-gradient(135deg,#1e3a8a,#3b82f6);color:#fff;padding:70px 0;text-align:center}
.page-title h1{font-size:40px;font-weight:800;margin-bottom:14px}
.page-title p{font-size:17px;opacity:.9}
.footer{background:#0f172a;color:#94a3b8;padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:50px;margin-bottom:50px}
.footer-brand h3{font-size:24px;font-weight:700;color:#fff;margin-bottom:18px;display:flex;align-items:center;gap:8px}
.footer-brand p{font-size:14px;line-height:2;margin-bottom:20px}
.footer-social{display:flex;gap:12px}
.footer-social a{width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,0.06);display:flex;align-items:center;justify-content:center;font-size:18px;transition:all .3s}
.footer-social a:hover{background:#3b82f6;color:#fff;transform:translateY(-3px)}
.footer-col h4{font-size:16px;font-weight:700;color:#fff;margin-bottom:22px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{font-size:14px;color:#94a3b8;transition:color .3s;display:inline-flex;align-items:center;gap:6px}
.footer-col ul li a:hover{color:#60a5fa}
.footer-bottom{border-top:1px solid rgba(148,163,184,0.15);padding-top:28px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;font-size:13px}
.footer-bottom-links a{margin-left:22px;color:#94a3b8;transition:color .3s}
.footer-bottom-links a:hover{color:#60a5fa}
@media (max-width:992px){
.hero h1{font-size:36px}
.stats{grid-template-columns:repeat(2,1fr)}
.feature-grid{grid-template-columns:repeat(2,1fr)}
.product-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:repeat(2,1fr)}
.sec-grid{grid-template-columns:1fr}
.about-grid{grid-template-columns:1fr}
.timeline::before{left:20px}
.tl-item{width:100%;left:0!important;padding:20px 20px 20px 60px!important;text-align:left!important}
.tl-dot{left:10px!important;right:auto!important}
.contact-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:repeat(2,1fr)}
.news-item{grid-template-columns:1fr}
}
@media (max-width:600px){
.nav-wrap{height:auto;padding:14px 0;flex-direction:column;gap:14px}
.nav-menu{flex-wrap:wrap;justify-content:center}
.nav-menu li a{padding:8px 14px;font-size:14px}
.hero{padding:60px 0 100px}
.hero h1{font-size:28px}
.section{padding:60px 0}
.section-title h2{font-size:28px}
.stats{grid-template-columns:1fr 1fr;padding:24px}
.feature-grid{grid-template-columns:1fr}
.news-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr}
}