@import ;
.con_ch { padding: 1rem 3% }
.con_ch_nr p { font-size: 1rem; line-height: 1.8em; text-indent: 2em; }
/*栏目*/
.nav_ch ul { padding: 0 3%; }
.nav_ch li { float: left; width: 25%; text-align: center; }
.nav_ch li a { display: block; background: #a07f4b; color: #fff; line-height: 2rem; border: 1px solid #fff; padding: 0 .2rem; }