/* linggongxia.com 样式重建（原站 style.css Wayback 无档，基础版） */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;color:#1f2937;background:#ffffff;line-height:1.7;font-size:15px}
img{max-width:100%;height:auto;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:#0ea5e9}
ul,ol{list-style:none}
.container,.wrap{max-width:1200px;margin:0 auto;padding:0 1rem;width:100%}
.wrap{max-width:1180px}
h1,h2,h3,h4{line-height:1.3;font-weight:700;color:#0f172a}
.text-center{text-align:center}
.flex{display:flex}
.grid{display:grid}
.hidden{display:none}
.btn,.button{display:inline-block;padding:.6rem 1.4rem;border-radius:.375rem;background:#0ea5e9;color:#fff;font-weight:600}
.btn:hover,.button:hover{background:#0284c7;color:#fff}
header,.header,nav,.nav{padding:.75rem 0}
section,.section{padding:2.5rem 0}
footer,.footer{padding:2rem 0;background:#0f172a;color:#cbd5e1}