/* 全屏黑色背景 */
body {
  margin: 0;
  overflow: hidden;
  background-color: black;
  font-family: sans-serif;
}
/* 右上角的加号按钮 */
#plus {
  position: fixed;
  top: 20px;
  right: 20px;
  font-size: 30px;
  background: transparent;
  border: none;
  color: white;
  cursor: pointer;
  z-index: 10;
}
/* 悬停提示文字 */
#cubeLabel {
  position: absolute;
  color: white;
  background: rgba(0,0,0,0.6);
  padding: 2px 6px;
  border-radius: 4px;
  pointer-events: none;
  font-size: 14px;
  display: none;
  white-space: nowrap;
  z-index: 9999;
}
/* 个人资料卡片 */
#profileCard {
  position: absolute;
  display: none;
  width: 300px;
  background: rgba(255,255,255,0.95);
  box-shadow: 0 0 20px 5px rgba(255,255,255,0.8); /* 发光效果 */
  border-radius: 10px;
  padding: 20px;
  color: #000;
  z-index: 9999;
}
#profileCard img {
  width: 100%;
  height: auto;
  border-radius: 5px;
  margin-bottom: 10px;
}
#profileCard p {
  margin: 0 0 10px 0;
  line-height: 1.4;
}

/* 居中弹出的表单对话框 */
#uploadModal {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(255,255,255,0.95);
  box-shadow: 0 0 20px 5px rgba(255,255,255,0.8);
  border-radius: 10px;
  padding: 20px;
  width: 300px;
  display: none; /* 初始隐藏 */
  z-index: 9999;
  color: #000;
}
#uploadModal h2 {
  margin-top: 0;
  margin-bottom: 10px;
}
#uploadModal label {
  display: block;
  margin: 10px 0 5px 0;
  font-weight: bold;
}
#uploadModal input[type="text"],
#uploadModal textarea {
  width: 100%;
  box-sizing: border-box;
}
#uploadModal input[type="file"] {
  width: 100%;
}
#uploadModal button {
  margin-top: 10px;
  padding: 8px 16px;
  cursor: pointer;
}