:root{--primary:#0B5FA5;--secondary:#E8F4FB;--accent:#F5A623;--text:#333;--text-light:#666;--border:#e5e5e5;--white:#fff}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:"Source Han Sans CN","思源黑体","Microsoft YaHei",sans-serif;color:var(--text);line-height:1.6;background:var(--white)}
.container{max-width:1200px;width:100%;margin:0 auto;padding:0 20px}
.header{background:var(--white);border-bottom:2px solid var(--primary);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.header-inner{display:flex;justify-content:space-between;align-items:center;height:70px;gap:15px}
.logo{font-size:20px;font-weight:700;color:var(--primary);text-decoration:none;white-space:nowrap;flex-shrink:0}
.logo span{font-size:12px;color:var(--text-light);font-weight:400;display:block}
.nav ul{display:flex;list-style:none;gap:14px;align-items:center}
.nav a{color:var(--text);text-decoration:none;font-size:13px;transition:color .3s;white-space:nowrap}
.nav a:hover,.nav a.active{color:var(--primary)}
.menu-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary);cursor:pointer;flex-shrink:0}
.breadcrumb{background:var(--secondary);padding:15px 0;font-size:14px;color:var(--text-light)}
.breadcrumb a{color:var(--primary);text-decoration:none}
.breadcrumb span{margin:0 8px}
.main{padding:40px 0}
.page-title{text-align:center;margin-bottom:40px}
.page-title h1{font-size:36px;color:var(--primary);margin-bottom:15px}
.page-title p{font-size:16px;color:var(--text-light);max-width:800px;margin:0 auto}
.section{margin-bottom:50px}
.section-title{font-size:28px;color:var(--primary);margin-bottom:25px;padding-bottom:10px;border-bottom:3px solid var(--secondary)}
.sub-title{font-size:20px;color:var(--primary);margin:20px 0 15px}
.data-board{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin:30px 0}
.data-item{text-align:center;padding:25px 15px;background:var(--secondary);border-radius:8px}
.data-num{font-size:32px;font-weight:700;color:var(--primary);margin-bottom:8px}
.data-label{font-size:14px;color:var(--text-light)}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}
.product-card{border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:transform .3s,box-shadow .3s;background:var(--white)}
.product-card:hover{transform:translateY(-5px);box-shadow:0 10px 20px rgba(0,0,0,.1)}
.product-card-img{height:180px;background:linear-gradient(135deg,#E8F4FB 0%,#d0e8f7 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--primary);font-size:42px;position:relative}
.product-card-img::after{content:attr(data-label);font-size:13px;color:var(--text-light);margin-top:8px;font-weight:500}
.product-card-body{padding:20px}
.product-card h3{font-size:20px;margin-bottom:10px}
.product-card p{color:var(--text-light);font-size:14px;margin-bottom:15px}
.btn{display:inline-block;padding:10px 25px;background:var(--primary);color:var(--white);text-decoration:none;border-radius:4px;transition:background .3s;border:none;cursor:pointer;font-size:14px}
.btn:hover{background:#094d87}
.btn-accent{background:var(--accent)}
.btn-accent:hover{background:#d88f1a}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:var(--white)}
.advantage-list{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.advantage-item{padding:20px;background:var(--secondary);border-radius:8px}
.advantage-item h4{color:var(--primary);margin-bottom:8px;font-size:18px}
.info-table{width:100%;border-collapse:collapse;margin:20px 0}
.info-table th,.info-table td{padding:12px 15px;border:1px solid var(--border);text-align:left}
.info-table th{background:var(--secondary);color:var(--primary);font-weight:600}
.faq-item{border:1px solid var(--border);border-radius:8px;margin-bottom:15px;overflow:hidden}
.faq-question{padding:18px 20px;background:var(--secondary);font-weight:600;color:var(--primary);cursor:pointer}
.faq-answer{padding:20px;line-height:1.8}
.contact-info{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}
.contact-item{padding:25px;background:var(--secondary);border-radius:8px}
.contact-item h3{color:var(--primary);margin-bottom:15px;font-size:20px}
.contact-item p{margin-bottom:8px}
.review-list{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.review-card{padding:25px;border:1px solid var(--border);border-radius:8px;background:var(--white)}
.review-text{font-size:15px;line-height:1.8;margin-bottom:15px;font-style:italic}
.review-author{font-weight:600;color:var(--primary)}
.review-tag{font-size:13px;color:var(--text-light)}
.article-list{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.article-card{border:1px solid var(--border);border-radius:8px;overflow:hidden;transition:transform .3s}
.article-card:hover{transform:translateY(-3px)}
.article-card-body{padding:20px}
.article-card h3{font-size:18px;margin-bottom:10px}
.article-card p{color:var(--text-light);font-size:14px;margin-bottom:15px;line-height:1.7}
.article-meta{font-size:13px;color:var(--text-light);margin-bottom:10px}
.article-content{max-width:800px;margin:0 auto;line-height:1.9;font-size:16px}
.article-content h2{color:var(--primary);margin:30px 0 15px;font-size:24px}
.article-content h3{color:var(--primary);margin:25px 0 12px;font-size:20px}
.article-content p{margin-bottom:15px}
.article-content ul,.article-content ol{margin:15px 0 15px 25px}
.article-content li{margin-bottom:8px}
.article-content blockquote{border-left:4px solid var(--accent);padding:15px 20px;background:var(--secondary);margin:20px 0;border-radius:0 8px 8px 0}
.case-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}
.case-card{border:1px solid var(--border);border-radius:8px;padding:30px;background:var(--white);transition:box-shadow .3s}
.case-card:hover{box-shadow:0 8px 20px rgba(0,0,0,.08)}
.case-card h3{color:var(--primary);font-size:22px;margin-bottom:10px}
.case-meta{font-size:14px;color:var(--text-light);margin-bottom:15px}
.case-quote{font-size:16px;line-height:1.8;font-style:italic;color:var(--text);margin-bottom:15px;padding-left:15px;border-left:3px solid var(--accent)}
.case-stats{display:flex;gap:30px;margin-top:15px;padding-top:15px;border-top:1px solid var(--border)}
.case-stat-num{font-size:24px;font-weight:700;color:var(--primary)}
.case-stat-label{font-size:13px;color:var(--text-light)}
.footer{background:var(--primary);color:var(--white);padding:40px 0 20px;margin-top:60px}
.footer-inner{display:grid;grid-template-columns:2fr 1fr 1fr;gap:40px;margin-bottom:30px}
.footer h4{font-size:18px;margin-bottom:20px;color:var(--white)}
.footer p{margin-bottom:10px;font-size:14px;opacity:.9}
.footer a{color:var(--white);text-decoration:none;opacity:.9}
.footer a:hover{opacity:1;text-decoration:underline}
.footer-bottom{border-top:1px solid rgba(255,255,255,.2);padding-top:20px;text-align:center;font-size:13px;opacity:.8}
.hero{background:linear-gradient(135deg,#0B5FA5 0%,#094d87 100%);color:var(--white);padding:80px 0;text-align:center}
.hero h1{font-size:42px;margin-bottom:20px}
.hero p{font-size:18px;opacity:.9;max-width:900px;margin:0 auto 30px}
@media(max-width:1100px){.nav ul{gap:10px}.nav a{font-size:12px}.logo{font-size:18px}}
@media(max-width:1024px){.menu-toggle{display:block}.nav{position:absolute;top:70px;left:0;right:0;background:var(--white);border-bottom:1px solid var(--border);display:none;z-index:99}.nav.active{display:block}.nav ul{flex-direction:column;gap:0}.nav li{border-bottom:1px solid var(--border)}.nav a{display:block;padding:15px 20px;font-size:15px}.product-grid,.review-list,.data-board{grid-template-columns:repeat(3,1fr)}.footer-inner{grid-template-columns:1fr 1fr}.article-list,.case-grid{grid-template-columns:1fr}}
@media(max-width:768px){.product-grid,.advantage-list,.contact-info,.footer-inner,.review-list,.case-grid{grid-template-columns:1fr}.data-board{grid-template-columns:repeat(2,1fr)}.page-title h1{font-size:28px}.section-title{font-size:22px}.hero{padding:50px 0}.hero h1{font-size:26px}.hero p{font-size:15px}}