*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;line-height:1.6;color:#333;background:#f8f9fa}
a{text-decoration:none;color:inherit}
ul{list-style:none}
img{max-width:100%;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.header{background:linear-gradient(135deg,#1a2a6c 0%,#b21f1f 50%,#fdbb2d 100%);color:#fff;box-shadow:0 2px 10px rgba(0,0,0,0.1);position:sticky;top:0;z-index:1000}
.header-top{background:rgba(0,0,0,0.1);padding:8px 0;font-size:14px}
.header-top .container{display:flex;justify-content:space-between;align-items:center}
.header-top a{margin-left:20px}
.header-main{padding:20px 0}
.header-main .container{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap}
.logo{font-size:28px;font-weight:bold;display:flex;align-items:center;gap:10px}
.logo span{color:#ffd700}
.nav{display:flex;gap:10px;flex-wrap:wrap}
.nav a{padding:10px 20px;border-radius:8px;font-size:16px;transition:all 0.3s;position:relative}
.nav a:hover,.nav a.active{background:rgba(255,255,255,0.2);transform:translateY(-2px)}
.hero{background:linear-gradient(rgba(26,42,108,0.9),rgba(178,31,31,0.8)),url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="1200" height="600"><rect fill="%231a2a6c" width="1200" height="600"/></svg>');background-size:cover;color:#fff;padding:100px 0;text-align:center}
.hero h1{font-size:48px;margin-bottom:20px;animation:fadeInUp 1s}
.hero p{font-size:20px;margin-bottom:30px;max-width:800px;margin-left:auto;margin-right:auto;animation:fadeInUp 1s 0.2s backwards}
.hero-btns{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;animation:fadeInUp 1s 0.4s backwards}
.btn{display:inline-block;padding:15px 40px;border-radius:50px;font-size:16px;font-weight:bold;transition:all 0.3s;cursor:pointer;border:none}
.btn-primary{background:#ffd700;color:#1a2a6c}
.btn-primary:hover{background:#ffed4e;transform:translateY(-3px);box-shadow:0 10px 20px rgba(255,215,0,0.4)}
.btn-secondary{background:transparent;color:#fff;border:2px solid #fff}
.btn-secondary:hover{background:#fff;color:#1a2a6c;transform:translateY(-3px)}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.section{padding:80px 0}
.section-title{text-align:center;margin-bottom:50px}
.section-title h2{font-size:36px;color:#1a2a6c;margin-bottom:15px;position:relative;display:inline-block}
.section-title h2::after{content:"";position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);width:80px;height:4px;background:linear-gradient(90deg,#b21f1f,#fdbb2d);border-radius:2px}
.section-title p{color:#666;font-size:16px;margin-top:20px}
.features{background:#fff}
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:30px}
.feature-card{background:#f8f9fa;padding:40px 30px;border-radius:16px;text-align:center;transition:all 0.3s;border:1px solid #eee}
.feature-card:hover{transform:translateY(-10px);box-shadow:0 20px 40px rgba(0,0,0,0.1);border-color:#fdbb2d}
.feature-icon{font-size:48px;margin-bottom:20px;display:block}
.feature-card h3{font-size:20px;color:#1a2a6c;margin-bottom:15px}
.feature-card p{color:#666;font-size:14px}
.download-section{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff}
.download-section .section-title h2{color:#fff}
.download-section .section-title p{color:rgba(255,255,255,0.9)}
.download-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.download-card{background:rgba(255,255,255,0.1);backdrop-filter:blur(10px);padding:40px;border-radius:16px;text-align:center;border:1px solid rgba(255,255,255,0.2)}
.download-card h3{font-size:24px;margin-bottom:15px}
.download-card p{margin-bottom:25px;opacity:0.9}
.version{display:inline-block;background:rgba(255,215,0,0.3);color:#ffd700;padding:5px 15px;border-radius:20px;font-size:14px;margin-bottom:15px}
.news-section{background:#fff}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:30px}
.news-card{background:#f8f9fa;border-radius:16px;overflow:hidden;transition:all 0.3s;border:1px solid #eee}
.news-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,0.1)}
.news-img{height:200px;background:linear-gradient(135deg,#1a2a6c,#b21f1f);display:flex;align-items:center;justify-content:center;font-size:60px}
.news-content{padding:25px}
.news-meta{display:flex;gap:20px;font-size:13px;color:#999;margin-bottom:12px}
.news-card h3{font-size:18px;color:#1a2a6c;margin-bottom:12px;line-height:1.5}
.news-card p{color:#666;font-size:14px;margin-bottom:15px}
.news-more{color:#b21f1f;font-weight:bold;font-size:14px}
.news-more:hover{text-decoration:underline}
.about-section{background:#f8f9fa}
.about-content{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-text h3{font-size:28px;color:#1a2a6c;margin-bottom:20px}
.about-text p{color:#666;margin-bottom:20px;line-height:1.8}
.about-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:30px}
.stat-item{text-align:center;padding:25px;background:#fff;border-radius:12px;box-shadow:0 5px 15px rgba(0,0,0,0.05)}
.stat-num{font-size:36px;font-weight:bold;color:#b21f1f;margin-bottom:5px}
.stat-label{color:#666;font-size:14px}
.about-icon{font-size:300px;text-align:center;background:linear-gradient(135deg,#fdbb2d,#b21f1f);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.products-section{background:#fff}
.products-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:30px}
.product-card{background:#fff;border:2px solid #eee;border-radius:16px;padding:35px;transition:all 0.3s;text-align:center}
.product-card:hover{border-color:#fdbb2d;transform:translateY(-5px);box-shadow:0 15px 30px rgba(0,0,0,0.1)}
.product-icon{font-size:64px;margin-bottom:20px}
.product-card h3{font-size:22px;color:#1a2a6c;margin-bottom:15px}
.product-card p{color:#666;font-size:14px;margin-bottom:20px}
.product-tag{display:inline-block;padding:5px 15px;background:#ffeaa7;color:#d35400;border-radius:20px;font-size:13px;margin:3px}
.news-list-page{background:#f8f9fa;padding:60px 0}
.news-list{display:flex;flex-direction:column;gap:20px}
.news-item{background:#fff;border-radius:12px;padding:30px;display:flex;gap:30px;transition:all 0.3s;border:1px solid #eee}
.news-item:hover{transform:translateX(10px);box-shadow:0 10px 25px rgba(0,0,0,0.08);border-color:#fdbb2d}
.news-item-icon{font-size:50px;min-width:80px;text-align:center;flex-shrink:0}
.news-item-content{flex:1}
.news-item-content h3{font-size:20px;color:#1a2a6c;margin-bottom:10px;line-height:1.5}
.news-item-content h3 a:hover{color:#b21f1f}
.news-item-content p{color:#666;margin-bottom:12px}
.news-item-meta{display:flex;gap:20px;font-size:13px;color:#999}
.contact-section{background:#fff}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info h3{font-size:26px;color:#1a2a6c;margin-bottom:25px}
.contact-item{display:flex;gap:15px;margin-bottom:25px;align-items:flex-start}
.contact-icon{font-size:28px;min-width:40px}
.contact-item h4{font-size:16px;color:#1a2a6c;margin-bottom:5px}
.contact-item p{color:#666;font-size:14px}
.contact-form{background:#f8f9fa;padding:40px;border-radius:16px}
.contact-form h3{font-size:24px;color:#1a2a6c;margin-bottom:25px}
.form-group{margin-bottom:20px}
.form-group label{display:block;margin-bottom:8px;color:#333;font-weight:500}
.form-group input,.form-group textarea{width:100%;padding:12px 15px;border:1px solid #ddd;border-radius:8px;font-size:14px;transition:all 0.3s;font-family:inherit}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:#fdbb2d;box-shadow:0 0 0 3px rgba(253,187,45,0.1)}
.form-group textarea{min-height:120px;resize:vertical}
.page-hero{background:linear-gradient(135deg,#1a2a6c 0%,#b21f1f 100%);color:#fff;padding:80px 0;text-align:center}
.page-hero h1{font-size:40px;margin-bottom:15px}
.page-hero p{font-size:18px;opacity:0.9}
.breadcrumb{padding:15px 0;background:#fff;border-bottom:1px solid #eee;font-size:14px;color:#666}
.breadcrumb a:hover{color:#b21f1f}
.footer{background:#1a1a2e;color:#fff;padding:60px 0 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px}
.footer-col h4{font-size:18px;margin-bottom:20px;color:#ffd700}
.footer-col p{color:rgba(255,255,255,0.7);font-size:14px;margin-bottom:10px;line-height:1.8}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:rgba(255,255,255,0.7);font-size:14px;transition:all 0.3s}
.footer-col ul li a:hover{color:#ffd700;padding-left:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding-top:20px;text-align:center;color:rgba(255,255,255,0.5);font-size:13px}
.not-found{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1a2a6c,#b21f1f);color:#fff;text-align:center;padding:40px}
.not-found .emoji{font-size:120px;margin-bottom:20px}
.not-found h1{font-size:80px;margin-bottom:10px}
.not-found h2{font-size:32px;margin-bottom:20px}
.not-found p{font-size:16px;margin-bottom:30px;opacity:0.9}
.safety-section{background:#fff}
.safety-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:30px}
.safety-card{padding:30px;border-left:4px solid #fdbb2d;background:#f8f9fa;border-radius:0 12px 12px 0;transition:all 0.3s}
.safety-card:hover{background:#fffbe6;transform:translateX(5px);box-shadow:5px 5px 20px rgba(0,0,0,0.05)}
.safety-card h3{font-size:18px;color:#1a2a6c;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.safety-card p{color:#666;font-size:14px;line-height:1.7}
.edu-section{background:#f8f9fa}
.edu-content{max-width:900px;margin:0 auto}
.edu-article{background:#fff;padding:40px;border-radius:16px;margin-bottom:25px;border:1px solid #eee}
.edu-article h3{font-size:22px;color:#1a2a6c;margin-bottom:15px;padding-bottom:10px;border-bottom:2px solid #fdbb2d;display:inline-block}
.edu-article p{color:#555;line-height:1.8;margin-bottom:12px}
.edu-tips{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:20px}
.tip-item{background:linear-gradient(135deg,#667eea15,#764ba215);padding:20px;border-radius:12px;border-left:3px solid #667eea}
.tip-item h4{color:#1a2a6c;margin-bottom:8px;font-size:16px}
.tip-item p{color:#666;font-size:14px}
.pagination{display:flex;justify-content:center;gap:10px;margin-top:40px}
.pagination a{padding:10px 18px;background:#fff;border:1px solid #ddd;border-radius:8px;color:#666;transition:all 0.3s;font-size:14px}
.pagination a:hover,.pagination a.active{background:#b21f1f;color:#fff;border-color:#b21f1f}
.faq-section{background:#fff}
.faq-list{max-width:900px;margin:0 auto}
.faq-item{background:#f8f9fa;margin-bottom:15px;border-radius:12px;overflow:hidden;border:1px solid #eee}
.faq-item summary{padding:20px 25px;cursor:pointer;font-size:16px;font-weight:500;color:#1a2a6c;display:flex;justify-content:space-between;align-items:center;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:24px;color:#b21f1f;transition:transform 0.3s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 25px 20px;color:#666;line-height:1.8}
@media(max-width:768px){
.hero h1{font-size:32px}
.hero p{font-size:16px}
.section{padding:50px 0}
.section-title h2{font-size:28px}
.about-content,.contact-grid{grid-template-columns:1fr;gap:30px}
.about-icon{font-size:150px}
.footer-grid{grid-template-columns:1fr 1fr;gap:30px}
.news-item{flex-direction:column;gap:15px}
.news-item-icon{min-width:auto}
.page-hero h1{font-size:28px}
.hero{padding:60px 0}
.header-main .container{flex-direction:column;gap:15px}
.nav{justify-content:center}
}