:root{--b2b-primary:#2C3E50;--b2b-secondary:#00B900;--b2b-accent:#E74C3C;--b2b-bg:#F4F6F7;--b2b-card:#FFFFFF;--b2b-text:#333333;--b2b-muted:#7F8C8D;--b2b-border:#BDC3C7}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;color:var(--b2b-text);background:var(--b2b-bg);line-height:1.6}
a{text-decoration:none;color:inherit;transition:all 0.3s ease}
img{max-width:100%;height:auto;display:block;border-radius:4px}
.header{background:var(--b2b-primary);color:var(--b2b-card);position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,0.1)}
.header-container{max-width:1200px;margin:0 auto;padding:15px 20px;display:flex;justify-content:space-between;align-items:center}
.logo{font-size:24px;font-weight:bold;color:var(--b2b-card);display:flex;align-items:center;gap:10px}
.logo::before{content:"";display:inline-block;width:8px;height:24px;background:var(--b2b-secondary)}
.nav-menu{display:flex;gap:20px;font-size:14px;font-weight:500;overflow-x:auto}
.nav-menu a{padding:5px 0;border-bottom:2px solid transparent}
.nav-menu a:hover, .nav-menu a.active{border-bottom-color:var(--b2b-secondary);color:var(--b2b-secondary)}
.hero{background:var(--b2b-card);padding:60px 20px;border-bottom:1px solid var(--b2b-border)}
.hero-container{max-width:1000px;margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;gap:40px}
.hero-text{flex:1;min-width:300px}
.hero-label{display:inline-block;background:rgba(0,185,0,0.1);color:var(--b2b-secondary);padding:6px 16px;border-radius:4px;font-size:14px;font-weight:bold;margin-bottom:16px;border:1px solid var(--b2b-secondary)}
.hero h1{font-size:36px;color:var(--b2b-primary);margin:0 0 20px;line-height:1.3}
.hero p{font-size:16px;color:var(--b2b-muted);margin:0 0 30px}
.hero-image{flex:1;min-width:300px}
.hero-image img{box-shadow:0 15px 30px rgba(0,0,0,0.1);border:1px solid var(--b2b-border)}
.btn-group{display:flex;gap:15px;flex-wrap:wrap}
.btn{display:inline-block;padding:12px 24px;border-radius:4px;font-size:15px;font-weight:bold;text-align:center;cursor:pointer}
.btn-primary{background:var(--b2b-secondary);color:#fff;border:1px solid var(--b2b-secondary)}
.btn-primary:hover{background:#009900}
.btn-outline{background:transparent;color:var(--b2b-primary);border:1px solid var(--b2b-primary)}
.btn-outline:hover{background:var(--b2b-primary);color:#fff}
.main-content{max-width:1200px;margin:50px auto;padding:0 20px}
.section-title{font-size:28px;color:var(--b2b-primary);margin-bottom:30px;text-align:center;position:relative;padding-bottom:15px}
.section-title::after{content:"";position:absolute;bottom:0;left:50%;transform:translateX(-50%);width:60px;height:3px;background:var(--b2b-secondary)}
.benefits-list{display:flex;flex-direction:column;gap:30px;max-width:900px;margin:0 auto 60px}
.benefit-item{display:flex;background:var(--b2b-card);border:1px solid var(--b2b-border);border-radius:6px;box-shadow:0 4px 6px rgba(0,0,0,0.05);overflow:hidden}
.benefit-num{background:var(--b2b-primary);color:#fff;width:80px;display:flex;align-items:center;justify-content:center;font-size:32px;font-weight:bold}
.benefit-content{padding:25px;flex:1}
.benefit-content h3{margin:0 0 10px;font-size:20px;color:var(--b2b-primary)}
.benefit-content p{margin:0;color:var(--b2b-muted)}
.grid-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;margin-bottom:60px}
.card{background:var(--b2b-card);border:1px solid var(--b2b-border);border-top:3px solid var(--b2b-secondary);padding:20px;border-radius:4px;box-shadow:0 2px 4px rgba(0,0,0,0.02)}
.card:hover{box-shadow:0 8px 15px rgba(0,0,0,0.1);transform:translateY(-2px)}
.card-label{font-size:12px;color:var(--b2b-muted);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px;display:block}
.card h3{margin:0 0 10px;font-size:18px;color:var(--b2b-primary)}
.card p{margin:0;font-size:14px;color:var(--b2b-text)}
.article-section{display:flex;flex-wrap:wrap;gap:40px;align-items:center;background:var(--b2b-card);padding:40px;border:1px solid var(--b2b-border);margin-bottom:60px;border-radius:4px}
.article-text{flex:1;min-width:300px}
.article-image{flex:1;min-width:300px}
.news-area{max-width:900px;margin:0 auto 60px;background:var(--b2b-card);border:1px solid var(--b2b-border);border-radius:4px}
.news-header{background:var(--b2b-bg);padding:15px 20px;border-bottom:1px solid var(--b2b-border);font-weight:bold;color:var(--b2b-primary)}
.news-list{list-style:none;margin:0;padding:0}
.news-item{padding:15px 20px;border-bottom:1px solid var(--b2b-bg);display:flex;gap:15px;align-items:flex-start}
.news-item:last-child{border-bottom:none}
.news-date{color:var(--b2b-muted);font-size:14px;white-space:nowrap}
.news-tag{background:var(--b2b-primary);color:#fff;font-size:11px;padding:3px 8px;border-radius:2px}
.news-tag.update{background:var(--b2b-secondary)}
.col-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;margin-bottom:60px}
.col-card{background:var(--b2b-card);border:1px solid var(--b2b-border);border-radius:4px;overflow:hidden}
.col-card img{width:100%;height:180px;object-fit:cover;border-radius:0}
.col-info{padding:20px}
.col-info h4{margin:0 0 10px;font-size:16px;color:var(--b2b-primary)}
.col-info p{margin:0;font-size:13px;color:var(--b2b-muted)}
.cta-banner{background:var(--b2b-primary);color:#fff;padding:50px 20px;text-align:center;border-radius:4px;margin-bottom:60px}
.cta-banner h2{margin:0 0 15px;font-size:28px}
.footer{background:#2c3e50;color:#95a5a6;padding:40px 20px 20px;font-size:14px;border-top:4px solid #1a252f}
.footer-inner{max-width:1200px;margin:0 auto}
.footer-nav{display:flex;justify-content:center;gap:20px;flex-wrap:wrap;margin-bottom:30px}
.footer-nav a:hover{color:#fff}
.footer-bottom{border-top:1px solid #34495e;padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:15px}
@media(max-width:768px){
    .header-container{flex-direction:column;align-items:flex-start}
    .nav-menu{width:100%;padding-bottom:10px}
    .benefit-item{flex-direction:column}
    .benefit-num{width:100%;height:50px}
    .news-item{flex-direction:column;gap:5px}
    .footer-bottom{flex-direction:column;align-items:center;text-align:center}
}
img{height:auto}
.wrap,.news,.cols,.two,footer{content-visibility:auto;contain-intrinsic-size:auto 520px}