@media(max-width: 768px){body{font-size:12px}}header{text-align:right;background-color:#f8f8f8;line-height:60px}header .company-name{margin:0 10px;font-weight:bold;color:#007bff}header .nav-item{display:inline-block;padding:0 10px;color:#666;font-weight:bold}@media(max-width: 768px){header{line-height:40px;font-size:12px}}.public-container{padding:0 10px;max-width:1200px;width:100%;margin:0 auto;overflow:hidden}.banner{background-image:url("../img/guangzhou.jpg");background-size:cover;background-position:center;height:400px;display:flex;justify-content:center;align-items:center;color:#fff;text-align:center}.banner h1{margin:0;font-size:3em;text-shadow:2px 2px 4px rgba(0,0,0,.7)}h2{margin:30px 0;text-align:center;color:#007bff}body{font-family:Arial,sans-serif;margin:0;padding:0;background-color:#fff}.welcome{margin:auto;max-width:1100px;padding:2em 1em;color:#666}.welcome h4{color:#000}.welcome p{margin:0;padding:.5em 0;font-size:1.2em}footer{background-color:#333;color:#fff;text-align:center;padding:1em 0;width:100%;bottom:0}footer a{color:#add8e6}.footer{padding:20px 10px;background-color:#666;color:#fff;text-align:center}