/* 公共样式：只放重置、容器、通用工具类 */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body {
  margin: 0;
  font-family: 
    "PingFang SC", 
    "Microsoft YaHei", 
    "Helvetica Neue", 
    Arial, 
    sans-serif;
  color: #26384d;
  background: #fff;
}
.container{width:1920px;max-width:92%;margin:auto}
.flex{display:flex}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-center{display:flex;align-items:center;justify-content:center}
.text-center{text-align:center}
a{text-decoration:none}