/* 模板：商务灰蓝 gray */
:root{--main:#3b4a5a;--main2:#4c5e70;--gold:#7f9bb3;--gold-d:#6b8aa5;--bg:#ffffff;--bg2:#f3f5f7;--line:#e1e6ea;--text:#2e3742;--text2:#7a8794;}
.topbar{background:#2e3b49;}
.header{border-bottom:3px solid #7f9bb3;}
.banner .slide{background:linear-gradient(135deg,#2e3b49,#4c5e70,#24303c);}
.grid .item{border-top:3px solid transparent;}
.grid .item:hover{border-top-color:#7f9bb3;}
.sec-head .line{background:#7f9bb3;}
.footer{background:#2e3b49;}
.footer .top,.footer .cities{border-color:#3d4c5c;}
.section.gray{background:#f3f5f7;}