.topnav{background:#fff;padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e5e5;position:sticky;top:0;z-index:100}.topnav .logo{font-size:22px;font-weight:800;color:#4c9c33;letter-spacing:-.5px;text-decoration:none}.topnav .logo span{color:#3d3d3d}.topnav nav{display:flex;gap:24px}.topnav nav a{text-decoration:none;color:#555;font-size:14px;font-weight:500;transition:color .2s}.topnav nav a:hover,.topnav nav a.active{color:#4c9c33}.hamburger{display:none;background:0 0;border:none;font-size:24px;cursor:pointer}.faq-item.open .arrow{transform:rotate(180deg)}.faq-item.open .faq-answer{display:block}.footer-content{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:1.2fr 1fr;gap:40px}.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:14px}.footer-col p{font-size:13px;line-height:1.7;color:#aaa}.footer-col a{color:#4c9c33;text-decoration:none}.footer-col a:hover{text-decoration:underline;color:#5ab040}.footer-contact-item{display:flex;align-items:center;gap:10px;margin-bottom:10px;font-size:13px;color:#bbb}.footer-contact-item svg{width:16px;height:16px;flex-shrink:0;fill:#4c9c33}.footer-bottom{text-align:center;padding-top:20px;margin-top:32px;border-top:1px solid #333;font-size:12px;color:#666;max-width:1000px;margin-left:auto;margin-right:auto}.footer-after-sales{margin-top:24px;padding-top:18px;border-top:1px solid #333}.footer-after-sales h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:8px}.footer-after-sales p{font-size:12px;line-height:1.6;color:#999}.mobile-menu.open{display:flex}@media (max-width:768px){.topnav nav{display:none}.hamburger{display:block}.footer-content{grid-template-columns:1fr!important;gap:32px}}