/* 公共样式 */
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { font-family: -apple-system, "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif; color: #333; background: #F5F7F6; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
.clearfix::after { content: ""; display: block; clear: both; }
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: #d0d0d0; border-radius: 4px; }
/* 顶部导航（白色主题 + 绿色点缀） */
.topbar-left { display: flex; align-items: center; gap: 8px; }
.topbar-left .logo { height: 28px; width: auto; }
.brand-name { font-size: 16px; font-weight: 600; color: #00A650; white-space: nowrap; }
.page-title { font-size: 13px; color: #999; }
.btn-logout { color: #00A650; border: 1px solid #00A650; padding: 4px 12px; border-radius: 4px; text-decoration: none; font-size: 12px; background: transparent; cursor: pointer; white-space: nowrap; line-height: 1.4; }
.btn-logout:hover { background: #00A650; color: #fff; }