*{margin:0;padding:0;box-sizing:border-box}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI','Microsoft YaHei',sans-serif;line-height:1.8;color:#333;background:#fafbfc}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:all .3s ease}
.r3h7k5m2p{background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);box-shadow:0 2px 15px rgba(0,0,0,.1);position:sticky;top:0;z-index:1000}
.v6n9k2m5t{max-width:1200px;margin:0 auto;padding:1.2rem 2rem;display:flex;justify-content:space-between;align-items:center}
.k2n8m5p3v a{font-size:1.6rem;font-weight:700;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.2)}
.n7p4k9m2v{display:flex;gap:2rem;list-style:none}
.n7p4k9m2v a{color:rgba(255,255,255,.95);font-weight:500;padding:.5rem 0;border-bottom:2px solid transparent}
.n7p4k9m2v a:hover,.n7p4k9m2v a.active{color:#fff;border-bottom-color:#fff}
.hero-section{background:linear-gradient(135deg,#f5f7fa 0%,#c3cfe2 100%);padding:5rem 2rem}
.n4p7k9m2v{max-width:1200px;margin:0 auto}
.k5m2p8v4n .n4p7k9m2v{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.p2m7k5n9v{font-size:3rem;font-weight:800;color:#333;margin-bottom:1.5rem;line-height:1.3}
.k9n2v5m8p{font-size:1.3rem;color:#666;margin-bottom:2rem}
.m5k8p3v2n{background:#667eea;color:#fff;padding:1.2rem 2.5rem;border-radius:50px;font-weight:600;display:inline-block;box-shadow:0 4px 15px rgba(102,126,234,.3)}
.m5k8p3v2n:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(102,126,234,.4)}
.v3n8k2p6m img{width:100%;border-radius:20px;box-shadow:0 10px 40px rgba(0,0,0,.15)}
.p8k2v9n5m{padding:4rem 2rem;background:#fff}
.k7m3p9v2n{font-size:2.2rem;font-weight:700;color:#333;margin-bottom:2.5rem;text-align:center}
.m2p6k8v3n{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:2rem}
.k5n8p2v9m{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);transition:all .3s ease}
.k5n8p2v9m:hover{transform:translateY(-8px);box-shadow:0 8px 30px rgba(0,0,0,.15)}
.k5n8p2v9m img{width:100%;height:240px;object-fit:cover}
.v2k7n5p8m{padding:1.5rem}
.n9k2p5m8v{font-size:1.2rem;font-weight:600;color:#333;margin-bottom:.5rem}
.p3k8v2n6m{color:#999;font-size:.9rem;margin-bottom:.8rem}
.m6k2v8n4p{color:#666;line-height:1.6}
.v9k2p5m8n{padding:4rem 2rem;background:#f8f9fa}
.p6k9m2v5n{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem}
.m8k5p2v9n{background:#fff;border-radius:15px;overflow:hidden;box-shadow:0 4px 20px rgba(0,0,0,.08);text-align:center;transition:all .3s ease}
.m8k5p2v9n:hover{transform:scale(1.05);box-shadow:0 6px 25px rgba(0,0,0,.12)}
.m8k5p2v9n img{width:100%;height:200px;object-fit:cover}
.v5k2n8p3m{font-size:1.3rem;font-weight:600;color:#667eea;padding:1rem;margin:0}
.n2p8k5v9m{color:#666;padding:0 1rem 1.5rem;margin:0}
.k3v7n2p9m{padding:2rem;background:#fff;border-radius:15px;margin:2rem auto;max-width:1200px;box-shadow:0 2px 10px rgba(0,0,0,.05)}
.p5k9m2v8n{font-size:1.4rem;font-weight:600;color:#333;margin-bottom:1.5rem}
.v2n8k5p3m{list-style:none}
.v2n8k5p3m li{padding:.8rem 0;border-bottom:1px solid #f0f0f0}
.v2n8k5p3m a{color:#666;display:flex;align-items:center;gap:.5rem}
.v2n8k5p3m a:hover{color:#667eea}
.n6k2p9v5m{background:#2d3748;color:rgba(255,255,255,.8);padding:3rem 2rem;text-align:center}
.m3k7n2p8v{margin-bottom:.8rem;font-size:1.1rem}
.v8k2n5p3m{color:rgba(255,255,255,.6)}
.k9v2n5p8m{position:fixed;bottom:30px;right:30px;width:50px;height:50px;background:#667eea;color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:24px;font-weight:700;cursor:pointer;opacity:0;visibility:hidden;transition:all .3s ease;z-index:999;box-shadow:0 4px 15px rgba(102,126,234,.3)}
.k9v2n5p8m.show{opacity:1;visibility:visible}
.k9v2n5p8m:hover{transform:translateY(-3px);box-shadow:0 6px 20px rgba(102,126,234,.4)}
.breadcrumb{background:#f8f9fa;padding:1rem 2rem;max-width:1200px;margin:1rem auto;border-radius:8px;font-size:.95rem}
.breadcrumb a{color:#667eea;font-weight:500}
.breadcrumb a:hover{text-decoration:underline}
.t9k3v6n2m{min-height:calc(100vh - 200px)}
.article-content{max-width:1200px;margin:2rem auto;padding:0 2rem}
.content-box{background:#fff;border-radius:15px;padding:2.5rem;box-shadow:0 4px 20px rgba(0,0,0,.08)}
.content-box h2{font-size:2rem;font-weight:700;color:#333;margin-bottom:1.5rem}
.content-box p{line-height:1.8;color:#666;margin-bottom:1.2rem}
.content-box img{border-radius:12px;margin:1.5rem 0;box-shadow:0 4px 15px rgba(0,0,0,.1)}
.lazy{opacity:0;transition:opacity .5s ease}
.lazy.loaded{opacity:1}
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.k5n8p2v9m,.m8k5p2v9n{animation:fadeInUp .6s ease-out}
@media(max-width:768px){
.v6n9k2m5t{flex-direction:column;gap:1rem}
.n7p4k9m2v{flex-wrap:wrap;justify-content:center;gap:1rem}
.k5m2p8v4n .n4p7k9m2v{grid-template-columns:1fr}
.p2m7k5n9v{font-size:2rem}
.m2p6k8v3n,.p6k9m2v5n{grid-template-columns:1fr}
}