/* 启动屏：JS 加载前先铺底色，避免白屏闪烁（由 index.html 引用） */
html, body { margin: 0; background: #f4efe4; }
#boot {
  position: fixed; inset: 0; display: grid; place-items: center;
  background: #f4efe4; color: #8a7a5c; font-family: "Songti SC", "SimSun", serif;
  letter-spacing: .4em; font-size: 14px;
}