/* 复制保护：非豁免分类下禁止选中正文，代码块与评论区除外 */
body[data-copyright-protect="true"]:not([data-post-copy-allowed="true"]) .post-content,
body[data-copyright-protect="true"]:not([data-post-copy-allowed="true"]) .custom-content,
body[data-copyright-protect="true"]:not([data-post-copy-allowed="true"]) .archive,
body[data-copyright-protect="true"]:not([data-post-copy-allowed="true"]) .home-header {
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

body[data-copyright-protect="true"] pre,
body[data-copyright-protect="true"] code,
body[data-copyright-protect="true"] figure.highlight,
body[data-copyright-protect="true"] .highlight,
body[data-copyright-protect="true"] input,
body[data-copyright-protect="true"] textarea,
body[data-copyright-protect="true"] select,
body[data-copyright-protect="true"] [contenteditable="true"],
body[data-copyright-protect="true"] #giscus-container {
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
}

#copyright-copy-tip {
  position: fixed;
  left: 50%;
  bottom: 2rem;
  z-index: 10000;
  max-width: calc(100vw - 2rem);
  padding: 0.55rem 1rem;
  border-radius: 4px;
  background: rgba(46, 64, 91, 0.92);
  color: #fff;
  font-size: 12px;
  font-family: "Times New Roman", "楷体", serif;
  line-height: 1.5;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 8px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

#copyright-copy-tip.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

footer .copyright-license {
  margin-top: 6px;
  font-weight: normal;
  line-height: 1.6;
}

footer .copyright-license a {
  color: inherit;
  text-decoration: underline;
  text-underline-offset: 2px;
}