*{margin:0;padding:0;box-sizing:border-box}:root{--primary:#1a365d;--secondary:#2c5282;--accent:#ed8936;--text:#2d3748;--light:#f7fafc;--border:#e2e8f0}html{scroll-behavior:smooth}body,html{overflow-x:hidden;max-width:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text);line-height:1.6}img,video{max-width:100%;height:auto}.container{max-width:1200px;margin:0 auto;padding:0 20px}.header{background:var(--primary);color:#fff;padding:1rem 0;position:-webkit-sticky;position:sticky;top:0;z-index:100;box-shadow:0 2px 10px rgba(0,0,0,.1)}.header-content{display:flex;justify-content:space-between;align-items:center}.logo{font-size:1.5rem;font-weight:700}.nav{display:flex;gap:2rem}.nav a{color:#fff;text-decoration:none;transition:opacity .3s}.nav a:hover{opacity:.8}.hero{background:linear-gradient(135deg,var(--primary) 0,var(--secondary) 100%);color:#fff;padding:6rem 0;text-align:center}.hero h1{font-size:3rem;margin-bottom:1rem}.hero p{font-size:1.25rem;opacity:.9;max-width:600px;margin:0 auto 2rem}.btn{display:inline-block;padding:.875rem 2rem;background:var(--accent);color:#fff;text-decoration:none;border-radius:6px;font-weight:600;transition:transform .2s,box-shadow .2s}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px rgba(237,137,54,.4)}.features{padding:5rem 0;background:var(--light)}.features h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--primary)}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));grid-gap:2rem;gap:2rem}.feature-card{background:#fff;padding:2rem;border-radius:12px;box-shadow:0 4px 6px rgba(0,0,0,.05);transition:transform .3s,box-shadow .3s}.feature-card:hover{transform:translateY(-5px);box-shadow:0 12px 24px rgba(0,0,0,.1)}.feature-icon{font-size:2.5rem;margin-bottom:1rem}.feature-card h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary)}.about{padding:5rem 0}.about-content{display:grid;grid-template-columns:1fr 1fr;grid-gap:4rem;gap:4rem;align-items:center}.about h2{font-size:2.5rem;margin-bottom:1.5rem;color:var(--primary)}.about p{font-size:1.1rem;margin-bottom:1rem}.stats{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:2rem;gap:2rem;margin-top:2rem}.stat-item{text-align:center;padding:1.5rem;background:var(--light);border-radius:8px}.stat-number{font-size:2.5rem;font-weight:700;color:var(--accent)}.stat-label{color:var(--text);opacity:.8}.products{padding:5rem 0;background:var(--light)}.products h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--primary)}.product-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:2rem;gap:2rem}.product-card{background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 4px 6px rgba(0,0,0,.05)}.product-image{height:200px;background:linear-gradient(135deg,var(--secondary) 0,var(--primary) 100%);display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem}.product-info{padding:1.5rem}.product-info h3{font-size:1.25rem;margin-bottom:.5rem;color:var(--primary)}.contact{padding:5rem 0}.contact h2{text-align:center;font-size:2.5rem;margin-bottom:3rem;color:var(--primary)}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));grid-gap:2rem;gap:2rem}.contact-item{text-align:center;padding:2rem;background:var(--light);border-radius:12px}.contact-icon{font-size:2.5rem;margin-bottom:1rem}.contact-item h3{margin-bottom:.5rem;color:var(--primary)}.footer{background:var(--primary);color:#fff;padding:3rem 0 2rem;text-align:center}.footer p{opacity:.8}@media (max-width:768px){.hero h1{font-size:2rem}.about-content{grid-template-columns:1fr}.nav{gap:1rem;font-size:.9rem}.stats{grid-template-columns:1fr}.rg-footer-grid{grid-template-columns:1fr!important;gap:2rem!important}.rg-footer-bottom{flex-direction:column!important;align-items:flex-start!important;text-align:left!important}.rg-contact-main{gap:2rem!important}.rg-contact-cards,.rg-contact-form-row,.rg-contact-main,.rg-equipment-hero{grid-template-columns:1fr!important}.rg-equipment-features{grid-template-columns:repeat(2,1fr)!important;gap:1rem!important}.rg-equipment-compare{grid-template-columns:1fr!important;gap:1.25rem!important}.rg-runjia-main{gap:2rem!important}.rg-runjia-capabilities,.rg-runjia-equipment,.rg-runjia-main,.rg-runjia-photos{grid-template-columns:1fr!important}.rg-runjia-equipment{gap:1rem!important}.rg-about-grid,.rg-cert-grid,.rg-products-grid,.rg-testimonials-grid{grid-template-columns:1fr!important}.rg-about-grid{gap:2rem!important}.rg-contact-form-panel{padding:1.25rem!important}.rg-modal-inner{padding:1.5rem!important}}@media (max-width:480px){.rg-equipment-features{grid-template-columns:1fr!important}.header-logo-img{max-width:120px!important;height:40px!important}.header-brand-cn{font-size:.78rem!important}.header-brand-en{font-size:.58rem!important;line-height:1.25!important}}