/* 嘉美净官网 - 公共基础样式 */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:Arial,"Microsoft YaHei",sans-serif;line-height:1.6;color:#333;background:#f5f5f5}
.container{max-width:1200px;margin:0 auto;padding:0 15px}

/* Header */
.header{background:#1e3a5f;color:#fff}
.top-bar{background:#152a45;padding:8px 0;font-size:13px}
.top-content{display:flex;justify-content:space-between;align-items:center}
.phone-top strong{color:#f59e0b}
.header-main{padding:15px 0;background:#fff;border-bottom:2px solid #1e3a5f}
.header-inner{display:flex;justify-content:space-between;align-items:center}
.logo{font-size:26px;font-weight:bold;color:#1e3a5f}
.logo span{color:#f59e0b}
.nav ul{display:flex;list-style:none;gap:5px}
.nav a{display:block;padding:10px 15px;color:#333;text-decoration:none;font-size:14px}
.nav a:hover{color:#1e3a5f}

/* Footer */
.footer{background:#1a1a2e;color:#fff;padding:40px 20px 20px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:30px;margin-bottom:30px}
.footer h4{color:#f59e0b;margin-bottom:15px}
.footer-links{list-style:none}
.footer-links li{margin-bottom:8px}
.footer-links a{color:#aaa;text-decoration:none;font-size:14px}
.footer-bottom{border-top:1px solid #333;padding-top:20px;text-align:center;color:#666;font-size:13px}

/* Mobile */
@media(max-width:768px){
.nav{display:none}
.footer-grid{grid-template-columns:1fr}
}