/* 公共前台页面：极简样式 */
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif; background: #f5f7fa; color: #1f2937; }
input, button { font-family: inherit; }
a { color: #4a6cf7; text-decoration: none; }
a:hover { text-decoration: underline; }