/* ================================================
 * Theme: light
 * ================================================ */

/* --- CSS 自定义属性 --- */
:root {
  /* 主色 */
  --color-primary: #111827;

  /* 文字 */
  --color-text: #111827;
  --color-text-hover: #374151;
  --color-text-secondary: #6b7280;
  --color-text-tertiary: #9ca3af;
  --color-text-error: #f33;
  --color-text-warn: #f90;
  --color-text-reverse: #fff;

  /* 链接 */
  --color-link: #111827;
  --color-link-hover: #0284c7;

  /* 边框 */
  --color-border: #e5e7eb;
  --color-border-weak: #b5bac2;
  --color-border-light: #d1d5db;

  /* 背景 */
  --bg-paper: #fff;
  --bg-gray: #f5f5f5;
  --bg-reverse: #1f210c;

  /* 圆角 */
  --radius-sm: 1px;
  --radius-md: 2px;
  --radius-lg: 4px;

  /* 阴影 */
  --shadow-base: 0 0 2px 0 #e5e7eb, 0 2px 2px 0 rgba(0, 0, 0, 0.15);
  --shadow-layout: 0 2px 8px 0 rgb(236 236 236 / 86%);
  --shadow-layout-reverse: 0 -2px 8px 0 rgb(236 236 236 / 86%);

  /* 动画 */
  --anim-duration: 300ms;
  --animate-delay: 0s;

  /* 尺寸 */
  --width-content: 800px;

  /* 字体 */
  --font-code: Monaco, Courier, "Courier New", monospace;
}

/* --- 文档基础 --- */

html,
body {
  --fm: "PingFang SC", "Songti SC", Helvetica, Arial, sans-serif;

  padding: 0;
  margin: 0;
  font-family: var(--fm);
  font-size: 14px;
  line-height: 1.5em;
  color: var(--color-text);

  --mantine-font-family: var(--fm);
}

body[data-role="body"] {
  background: var(--bg-gray);
}

main {
  min-height: calc(100vh - 120px);
}

/* --- 排版 --- */

h1,
h2,
h3 {
  margin: 0;
  padding: 0;
  line-height: 1.2em;
  font-weight: 500;
}

h1 {
  font-size: 2em;
}

h1.page_title {
  margin-bottom: 1em;
}

h2 {
  font-size: 1.5em;
  padding: 0.5em 0;
}

h3 {
  font-size: 1.3em;
  padding: 0.5em 0;
}

p {
  margin: 0 0 1em 0;

  &:last-child {
    margin: 0;
  }
}

a {
  color: var(--color-link);
  text-decoration: none;
  transition: 0.3s;

  &:hover {
    color: var(--color-link-hover);
  }
}

a,
area {
  transition-duration: 300ms;

  &:focus-visible {
    box-shadow: 0 0 0 2px rgba(2, 132, 199, 0.3);
    border-radius: 2px;
  }
}

del {
  text-decoration: line-through;
}

/* --- 列表 --- */

ul,
ol {
  margin: 0 0 1em 0;
  padding-left: 2em;
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: 2em 0;
}

/* --- 表单控件 --- */

input,
button,
textarea {
  outline: none;
  border: 1px solid var(--color-border);
  border-radius: 2px;
  transition: var(--anim-duration);

  &:focus {
    border-color: var(--color-primary);
  }
}

input,
textarea {
  &::placeholder {
    color: var(--color-text-tertiary);
    opacity: 0.5;
  }
}

textarea {
  padding: 4px 8px;
}

button {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  cursor: pointer;
  border: none;

  &:hover {
    opacity: 0.8;
  }

  &[type="submit"] {
    letter-spacing: 0.1em;
    background: var(--color-primary);
    color: var(--color-text-reverse);
  }

  &.btn_primary {
    height: 42px;
    padding: 0 1.5em;
    min-width: 120px;
    font-size: 16px;
  }

  &:focus-visible {
    box-shadow: 0 0 0 2px rgba(14, 165, 233, 0.3);
    border-radius: 2px;
  }
}

/* --- 内容渲染 --- */

pre {
  font-family: var(--font-code);
  letter-spacing: 0;
  tab-size: 4;
  white-space: pre;
  margin-bottom: 1em;
}

pre code {
  font-family: var(--font-code);
  letter-spacing: 0;
  font-size: 14px;
  line-height: 1.6em;
}

pre code.hljs {
  padding: 16px;
  background: var(--bg-gray);
}

pre code.language-txt,
pre code.language-text,
pre code.language-plaintext {
  display: block;
  background: var(--bg-gray);
  padding: 16px;
  overflow-x: auto;
  white-space: pre-wrap;
}

p code,
li code {
  font-family: var(--font-code);
  letter-spacing: 0;
  background: var(--bg-gray);
  padding: 0.1em 0.3em;
  margin: 0 0.3em;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

kbd {
  background: var(--bg-paper);
  padding: 0.1em 0.4em;
  margin: 0 0.1em;
  border-radius: 4px;
  border: 1px solid var(--color-border);
  border-right-width: 2px;
  border-bottom-width: 2px;
}

blockquote {
  background: var(--bg-gray);
  margin: 1em 0 1.2em 0;
  padding: 32px;
  overflow: auto;
  width: 100%;
  border-left: 4px solid var(--color-border);
}

blockquote::before {
  content: "";
  display: block;
  background: url("/images/quote.svg") no-repeat 50% 50%;
  width: 27px;
  height: 20px;
  position: absolute;
  z-index: 1;
  font-size: 80px;
  margin: -37px 0 0 -25px;
  opacity: 0.1;
}

blockquote p:last-child {
  margin-bottom: 0;
}

figure {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  text-align: center;
  margin: 2em 0;
}

figure img {
  display: block;
}

figure figcaption {
  margin-top: 1em;
  color: var(--color-text-tertiary);
  font-size: 14px;
}

figure figcaption:empty {
  display: none;
}

/* 文章内容中的图片对齐 */
.post-content img[data-align="center"] {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.post-content img[data-align="right"] {
  display: block;
  margin-left: auto;
}

/* 表格样式限定在 .post-content 内以避免影响后台 */
.post-content table {
  border-spacing: 0;
  border-top: 2px solid var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  margin-bottom: 1.5em;
  font-size: 14px;
  width: 100%;
  table-layout: fixed;
}

.post-content table thead {
  font-weight: bold;
  background: var(--bg-gray);
}

.post-content table thead th {
  text-align: center;
}

.post-content table tr {
  border-bottom: 1px solid var(--color-primary);
}

.post-content table th,
.post-content table td {
  padding: 4px 8px;
  border: 0;
  border-bottom: 1px solid var(--color-primary);
  border-right: 1px solid var(--color-primary);
}

.post-content table th:last-child,
.post-content table td:last-child {
  border-right: 0;
}

/* --- 布局：BasicLayout --- */
.basic-layout {
  max-width: var(--width-content);
  background: var(--bg-paper);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-layout);
  margin: 40px auto 80px auto;
  padding: 0 60px;
}

.basic-layout-body {
  line-height: 1.8em;
  font-size: 16px;
}

/* --- 导航：Nav --- */
.site-nav {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  height: 200px;
  padding: 60px 0 0 0;
}

.site-nav-header {
  overflow: hidden;
}

.site-nav-title {
  font-size: 32px;
  line-height: 50px;
  font-weight: 700;
  white-space: nowrap;
}

.site-nav-slogan {
  font-size: 16px;
  color: var(--color-text-tertiary);
  padding: 16px 0;
}

.site-nav-links {
  font-size: 16px;
  margin-top: 14px;
  margin-right: -8px;
  display: flex;
  align-items: flex-start;
}

.site-nav-links a {
  padding: 0.5rem 1rem;
  transition: all 0.3s ease-in-out;
}

.site-nav-links a:hover {
  background-color: var(--bg-gray);
  color: var(--color-link-hover);
}

.site-nav-links a.site-nav-current {
  font-weight: 700;
  color: var(--color-link-hover);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 3px;
}

/* 下拉菜单容器 */
.site-nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.site-nav-trigger {
  display: inline-block;
  padding: 0.5rem 1rem;
  cursor: pointer;
  transition: all 0.3s ease-in-out;
}

.site-nav-trigger:hover {
  background-color: var(--bg-gray);
  color: var(--color-link-hover);
}

.site-nav-trigger.site-nav-current {
  font-weight: 700;
  color: var(--color-link-hover);
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 3px;
}

/* 下拉面板：默认 bottom-center */
.site-nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  min-width: 120px;
  padding: 4px 0;
  background: var(--bg-paper);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  z-index: 100;
}

/* 下方空间不足时改为 top-center */
.site-nav-dropdown--top .site-nav-dropdown-menu {
  top: auto;
  bottom: 100%;
}

.site-nav-dropdown:hover .site-nav-dropdown-menu {
  display: flex;
  flex-direction: column;
}

.site-nav-dropdown-item {
  padding: 6px 12px;
  margin: 2px 6px;
  font-size: 14px;
  white-space: nowrap;
  border-radius: var(--radius-sm);
  transition: background 0.15s;
}

.site-nav-dropdown-item:hover {
  background-color: var(--bg-gray);
}

.site-nav-dropdown-active {
  font-weight: 700;
  color: var(--color-link-hover);
}

/* --- 文章列表：PostListPage --- */
.post-list {
  max-width: var(--width-content);
  padding: 20px 0 40px 0;
}

.post-list-item {
  position: relative;
  margin-bottom: 60px;
  padding: 10px 0;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition:
    background 0.3s,
    box-shadow 0.3s;
}

.post-list-item:hover {
  background-color: var(--bg-gray);
  box-shadow: 0 0 0 20px var(--bg-gray);
}

.post-list-item:hover .post-list-summary,
.post-list-item:hover .post-list-read-more {
  color: var(--color-text-hover);
  opacity: 0.8;
}

.post-list-item h2.post-list-title {
  padding: 0;
}

.post-list-time {
  margin-top: 12px;
  height: 1em;
  line-height: 1em;
}

.post-list-info {
  font-size: 14px;
  color: var(--color-text-tertiary);
}

.post-list-summary {
  margin: 10px 0;
  transition: 0.3s;
  color: var(--color-text-secondary);
  line-height: 1.6em;
}

.post-list-summary a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.post-list-summary a:hover {
  color: var(--color-link-hover);
}

.post-list-summary a:focus-visible {
  text-decoration: none;
  color: var(--color-link-hover);
}

.post-list-read-more {
  display: flex;
  align-items: center;
  /* font-size: 14px; */
  gap: 0.5em;
  height: 1.5em;
  transition: 0.3s;
  color: var(--color-text-secondary);
}

.post-list-read-more:hover {
  opacity: 1;
}

.post-list-read-more-icon {
  opacity: 0.5;
  display: flex;
  align-items: center;
}

/* 有头图时：左图右文两栏布局 */
.post-list-item.has-cover {
  display: flex;
  gap: 30px;
}

.post-list-cover {
  flex-shrink: 0;
  width: 300px;
  height: 200px;
}

.post-list-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 4px;
  display: block;
}

.post-list-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.post-list-item.has-cover .post-list-body {
  font-size: 14px;
}

.post-list-empty {
  font-style: italic;
  color: var(--color-text-tertiary);
}

.post-list-pager .post-list-label {
  font-size: 0.875rem;
  line-height: 1.25rem;
  color: var(--color-text-tertiary);
  margin-bottom: 0.5rem;
}

.post-list-pagination {
  display: flex;
  font-size: 12px;
  line-height: 2em;
  margin-bottom: 60px;
  gap: 4px 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.post-list-pagination a,
.post-list-pagination span {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  border: 1px solid transparent;
  border-radius: var(--radius-md);
}

.post-list-pagination a {
  box-shadow: none !important;
}

.post-list-pagination a:hover {
  border-color: var(--color-border-light);
}

.post-list-pagination span {
  border-color: var(--color-border-light);
}

/* --- 文章详情页 --- */
.post-detail {
  max-width: var(--width-content);
  padding: 40px 0 40px 0;
  position: relative;
}

.post-detail:has(.post-detail-cover) {
  padding-top: 0;
}

.post-detail h1,
.post-detail h2,
.post-detail h3,
.post-detail h4 {
  font-weight: 500;
  scroll-margin: 16px;
}

.post-detail-cover {
  width: 100%;
  height: auto;
  margin-bottom: 20px;
  border-radius: 4px;
}

.post-detail-title {
  margin-bottom: 20px;
}

.post-detail .post-detail-table-wrapper {
  width: 100%;
  overflow: auto;
}

.post-detail pre code {
  padding: 20px 16px;
}

.post-detail-date {
  margin-bottom: 20px;
  border-left: 2px solid var(--color-border-weak);
  height: 1em;
  line-height: 1em;
  padding-left: 0.8em;
}

.post-detail-info {
  color: var(--color-text-tertiary);
  font-size: 14px;
  margin-top: 10px;
}

.post-detail-info a {
  color: var(--color-text-tertiary);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.post-detail-info a:hover {
  color: var(--color-link-hover);
}

.post-detail-info a:focus-visible {
  text-decoration: none;
  color: var(--color-link-hover);
}

.post-detail-content {
  padding: 30px 0 60px 0;
  overflow: auto;
  color: var(--color-text);
}

/* link_with_under_line */
.post-detail-content a {
  color: var(--color-link);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.post-detail-content a:hover {
  color: var(--color-link-hover);
}

.post-detail-content a:focus-visible {
  text-decoration: none;
  color: var(--color-link-hover);
}

/* my_list(2em) */
.post-detail-content ul,
.post-detail-content ol {
  padding-left: 2em;
}

.post-detail-content ol {
  padding-left: 3em;
}

.post-detail-content li::marker {
  font-family: var(--font-code);
  letter-spacing: 0;
  color: var(--color-text-tertiary);
}

.post-detail-content ul li {
  padding-inline-start: 1ch;
  list-style-type: "-";
}

.post-detail-content ol li {
  list-style-type: decimal;
}

.post-detail-content::after {
  content: "\25FC";
  display: block;
  font-size: 12px;
  opacity: 0.5;
}

/* 标题间距：展开 @each 循环 */
.post-detail-content p + h2,
.post-detail-content figure + h2,
.post-detail-content pre + h2,
.post-detail-content blockquote + h2,
.post-detail-content div + h2,
.post-detail-content table + h2,
.post-detail-content ul + h2,
.post-detail-content ol + h2 {
  margin-top: 1.2em;
  margin-bottom: 0.2em;
}

.post-detail-content p + h3,
.post-detail-content figure + h3,
.post-detail-content pre + h3,
.post-detail-content blockquote + h3,
.post-detail-content div + h3,
.post-detail-content table + h3,
.post-detail-content ul + h3,
.post-detail-content ol + h3,
.post-detail-content p + h4,
.post-detail-content figure + h4,
.post-detail-content pre + h4,
.post-detail-content blockquote + h4,
.post-detail-content div + h4,
.post-detail-content table + h4,
.post-detail-content ul + h4,
.post-detail-content ol + h4 {
  margin-top: 1em;
}

.post-detail-content img {
  max-width: 100%;
}

.post-detail-content figure {
  margin-top: 0;
}

.post-detail-content p + figure,
.post-detail-content div + figure {
  margin-top: 2em;
}

.post-detail-content h2 + figure,
.post-detail-content h3 + figure {
  margin-top: 0.5em;
}

.post-detail-content del {
  opacity: 0.5;
}

.post-detail-content iframe.ifr-video {
  width: 100%;
  aspect-ratio: 16 / 9;
}

.post-detail-img {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.5em 0;
  text-align: center;
}

.post-detail-props {
  color: var(--color-text-tertiary);
  display: flex;
  gap: 2em;
  font-size: 14px;
  margin-top: 20px;
}

.post-detail-props a {
  color: var(--color-text-tertiary);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.post-detail-props a:hover {
  color: var(--color-link-hover);
}

.post-detail-props a:focus-visible {
  text-decoration: none;
  color: var(--color-link-hover);
}

.post-detail-props span {
  display: inline-block;
}

.post-detail-props a {
  margin-right: 1em;
}

.post-detail-props a:last-child {
  margin-right: 0;
}

.post-detail-neighbors {
  display: flex;
  gap: 10px;
  padding: 1.5em 0;
  margin: 2em 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}

.post-detail-neighbors > div {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 5px;
  line-height: 1.3em;
  border-radius: var(--radius-sm);
  transition: 0.3s;
}

.post-detail-neighbors > div:nth-child(2) {
  align-items: flex-end;
}

.post-detail-neighbors > div:nth-child(2) a {
  text-align: right;
}

.post-detail-neighbors > div:not(.is-disabled) {
  cursor: pointer;
}

.post-detail-neighbors > div:not(.is-disabled):hover {
  box-shadow: 0 0 0 10px var(--bg-gray);
  background-color: var(--bg-gray);
}

.post-detail-neighbors .post-detail-label {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.post-detail-neighbors > div a {
  display: inline-flex;
}

.post-detail-no-records {
  font-style: italic;
  color: var(--color-text-tertiary);
}

.post-detail-related {
  font-size: 14px;
  margin-bottom: 60px;
}

.post-detail-related ul,
.post-detail-related li {
  margin: 0;
  padding: 0;
}

.post-detail-related li {
  list-style: none;
}

.post-detail-related li::before {
  content: "-";
  display: inline-block;
  opacity: 0.5;
  margin: 0 0.5em 0 2px;
}

/* --- 目录：TOC --- */
.toc {
  font-size: 14px;
  padding: 12px 16px 12px 14px;
  line-height: 1.8em;
  margin-top: 10px;
  display: inline-flex;
  flex-direction: column;
  transition: var(--anim-duration);
}

.toc-header {
  font-weight: bold;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.toc-item {
  padding-left: 11px;
  margin-left: 10px;
  border-left: 1px solid var(--color-border);
}

.toc-number {
  color: var(--color-text-secondary);
  opacity: 0.5;
  font-family: Monaco, Menlo, Consolas, "Courier New", monospace;
}

.toc-title {
  color: var(--color-text-secondary);
}

.toc-h2 {
  padding-left: 1.5em;
}

.toc-h3 {
  padding-left: 2.5em;
}

.toc-h4 {
  padding-left: 3.5em;
}

.toc-h5 {
  padding-left: 4.5em;
}

.toc-h6 {
  padding-left: 5.5em;
}

/* TOC：固定侧边栏目录 */
.post-detail-toc-wrapper {
  display: flex;
  justify-content: flex-end;
}

.post-detail-toc {
  position: fixed;
  top: 40px;
  transform: translateX(calc(100% + 70px));
}

.post-detail-toc [data-current="true"] {
  border-left-color: var(--color-text);
  font-weight: bold;
}

.post-detail-toc [data-current="true"] a > span {
  color: var(--color-text);
}

/* --- 评论区 --- */
.post-comments {
  font-size: 14px;
}

.post-comment {
  margin-bottom: 40px;
}

/* my_list(2em) for comments */
.post-comment ul,
.post-comment ol {
  padding-left: 2em;
}

.post-comment ol {
  padding-left: 3em;
}

.post-comment li::marker {
  font-family: var(--font-code);
  letter-spacing: 0;
  color: var(--color-text-tertiary);
}

.post-comment ul li {
  padding-inline-start: 1ch;
  list-style-type: "-";
}

.post-comment ol li {
  list-style-type: decimal;
}

.post-comment:last-child {
  margin-bottom: 0;
}

.post-comment-username {
  font-weight: bold;
}

.post-comment-children {
  background: var(--bg-gray);
  margin: 10px 0 0 40px;
  padding: 20px;
}

.post-comment-children .post-comment-children {
  padding: 20px 0;
}

.post-comment-content {
  overflow: auto;
  line-height: 1.5em;
}

.post-comment-detail-info {
  color: var(--color-text-tertiary);
  font-size: 14px;
}

.post-comment-detail-info a {
  display: block;
  margin-top: 0.6em;
  color: var(--color-text-tertiary);
  text-decoration: underline;
  text-underline-offset: 6px;
}

.post-comment-reply-form {
  border: 1px solid var(--color-border);
  padding: 16px 16px 64px 16px;
  background: var(--bg-paper);
}

.post-comment-form {
  margin: 60px 0 80px 0;
}

.post-comment-closed {
  margin: 120px 0 160px 0;
  font-size: 1.5em;
  color: var(--color-text-tertiary);
  font-style: italic;
}

/* --- 文章归档页 --- */
.posts-archive {
  max-width: var(--width-content);
  padding: 20px 0 40px 0;
  margin-bottom: 60px;
}

.posts-archive ul {
  list-style: none;
  margin-top: -30px;
  padding-left: 6em;
}

.posts-archive li {
  margin: 0;
  padding: 4px 0;
  font-size: 14px;
  line-height: 1.5em;
  display: flex;
  gap: 1em;
}

.posts-archive-date {
  font-family: var(--font-code);
  letter-spacing: 0;
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.posts-archive-year {
  margin-bottom: 2em;
}

.posts-archive-year h2 {
  margin: 0;
  padding: 0;
  width: 4em;
  position: sticky;
  top: 10px;
}

/* --- 文章筛选列表页 --- */
.posts-filter {
  max-width: var(--width-content);
  padding: 20px 0 40px 0;
}

.posts-filter-bar {
  margin-bottom: 40px;
}

.posts-filter-by {
  font-weight: 300;
  color: var(--color-text-tertiary);
}

.posts-filter-back {
  margin-top: 0.5rem;
  display: flex;
  justify-content: flex-start;
}

.posts-filter-back a {
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-tertiary);
}

/* --- 留言板页 --- */
.guestbook {
  max-width: 720px;
  margin: 0 auto;
  padding: 20px 0;
}

.guestbook-title {
  font-size: 24px;
  margin-bottom: 10px;
}

.guestbook-form {
  margin: 20px 0 40px;
}

.guestbook-section-title {
  font-size: 18px;
  margin-bottom: 16px;
}

.guestbook-messages {
  margin-top: 30px;
}

.guestbook-message {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border-light);
}

.guestbook-message:last-child {
  border-bottom: none;
}

.guestbook-message-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 6px;
}

.guestbook-author {
  font-weight: 600;
  font-size: 14px;
}

.guestbook-time {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.guestbook-message-content {
  font-size: 14px;
  line-height: 1.6;
  white-space: pre-wrap;
}

/* --- 联系/留言页 --- */
.contact-page {
  max-width: var(--width-content);
  padding: 20px 0 40px 0;
}

.contact-page-form {
  margin: 40px 0 120px 0;
}

/* --- 动态页面 --- */
.dynamic-page {
  max-width: var(--width-content);
  padding: 20px 0 40px 0;
}

.dynamic-page-title {
  font-size: 1.5em;
  margin-bottom: 1em;
}

.dynamic-page-content {
  line-height: 1.8;
}

.dynamic-page-content h2 {
  font-size: 1.2em;
  margin-top: 2em;
  margin-bottom: 0.5em;
}

.dynamic-page-content h3 {
  font-size: 1.1em;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
}

.dynamic-page-content p {
  margin-bottom: 1em;
}

.dynamic-page-content ul,
.dynamic-page-content ol {
  margin-bottom: 1em;
  padding-left: 2em;
}

.dynamic-page-content a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.dynamic-page-content img {
  max-width: 100%;
}

/* --- 表单：FeedbackForm / CommentForm --- */
.feedback-form form,
.comment-form form {
  display: flex;
  flex-direction: column;
}

.feedback-form label,
.comment-form label {
  margin-top: 1em;
  line-height: 2em;
}

.feedback-form input,
.comment-form input {
  padding: 0 8px;
  height: 40px;
}

.feedback-form button,
.comment-form button {
  margin-top: 40px;
  height: 42px;
  font-size: 16px;
}

.feedback-form-info,
.comment-form-info {
  color: var(--color-text-tertiary);
}

/* --- 验证码输入：CaptchaInput --- */
.captcha-input {
  display: flex;
  align-items: center;
  gap: 8px;
}

.captcha-input-image {
  width: 100px;
  height: 40px;
  overflow: hidden;
  background: var(--bg-gray);
  cursor: pointer;
  border: 1px solid var(--color-border);
}

.captcha-input-image img {
  height: 40px;
}

.captcha-input-field {
  display: flex;
}

.captcha-input-field input {
  flex: 1;
}

/* --- 加载：Loading / PageLoading --- */
.page-loading {
  padding: 40px;
}

.loading {
  padding: 40px;
}

/* --- 推荐广告：LizhiAd --- */
.lizhi-ad {
  font-size: 14px;
}

.lizhi-ad a {
  box-shadow: none !important;
  text-decoration: none !important;
}

.lizhi-ad a.lizhi-ad-container:hover {
  box-shadow:
    0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -4px rgba(0, 0, 0, 0.1) !important;
  border-color: var(--color-link-hover);
  background-color: var(--bg-gray);
}

.lizhi-ad a.lizhi-ad-container:hover .lizhi-ad-desc {
  color: var(--color-link-hover);
  opacity: 0.5;
}

.lizhi-ad-top {
  display: flex;
  align-items: center;
  gap: 4px;
}

.lizhi-ad-help {
  font-size: 12px;
  color: var(--color-text-tertiary);
}

.lizhi-ad-refresh {
  background: transparent;
  border: 0;
  color: var(--color-text-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: 0.3s;
}

.lizhi-ad-refresh:hover {
  background: var(--bg-gray);
  color: var(--color-text);
}

.lizhi-ad-container {
  display: flex;
  gap: 16px;
  align-items: center;
  border: 1px solid var(--color-border-light);
  padding: 8px;
  border-radius: var(--radius-lg);
  background: var(--bg-paper);
}

.lizhi-ad-icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
}

.lizhi-ad-icon img {
  width: 64px;
  display: block;
}

.lizhi-ad-title {
  font-weight: bold;
  line-height: 1.2em;
  margin-bottom: 4px;
}

.lizhi-ad-desc {
  line-height: 1.5;
  color: var(--color-text-tertiary);
  transition-duration: 300ms;
}

/* --- 回到顶部 --- */
.back-to-top-wrapper {
  display: flex;
  justify-content: flex-end;
}

.back-to-top {
  position: fixed;
  bottom: 60px;
  z-index: 9999;
  font-size: 1.5em;
  display: flex;
  width: 42px;
  height: 42px;
  justify-content: center;
  align-items: center;
  color: var(--color-text);
  cursor: pointer;
  border: 1px solid var(--color-border);
  background: var(--bg-paper);
  transition: var(--anim-duration);
  transform: translateX(calc(100% + 80px));
  border-radius: 0;
  box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.back-to-top:hover {
  border-color: var(--color-link-hover);
  color: var(--color-link-hover);
  box-shadow:
    0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -2px rgba(0, 0, 0, 0.1);
}

/* --- 预览提示 --- */
.preview-notice {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 8px 16px;
  font-size: 13px;
  background: #f59e0b;
  color: #fff;
}

.preview-notice-close {
  background: none;
  border: none;
  color: #fff;
  font-size: 14px;
  cursor: pointer;
  opacity: 0.7;
  padding: 0 4px;
  line-height: 1;
}

.preview-notice-close:hover {
  opacity: 1;
}

/* --- 404 页面 --- */
.not-found {
  max-width: var(--width-content);
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}

.not-found-title {
  font-size: 1.5em;
  font-weight: 500;
}

.not-found-desc {
  color: var(--color-text-tertiary);
  margin: 16px 0 32px;
}

.not-found-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}

.not-found-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  font-size: 14px;
  background: var(--color-primary);
  color: var(--color-text-reverse);
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: opacity 0.2s;
}

.not-found-btn:hover {
  opacity: 0.85;
  color: var(--color-text-reverse);
}

/* --- Widgets --- */
.w-spacer {
  flex: 1;
}

.w-dialog-btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-reverse);
  height: 42px;
  min-width: 120px;
  padding: 0 2em;
  font-size: 16px;
  border-radius: var(--radius-md);
  cursor: pointer;
}

.w-dialog-popup {
  border-radius: var(--radius-md) !important;
  padding-bottom: 2em !important;
}

/* --- 页脚：Footer --- */
.site-footer {
  font-size: 14px;
  padding: 20px;
  background: var(--bg-paper);
  border-top: 1px solid var(--color-border);
  box-shadow: var(--shadow-layout-reverse);
}

.site-footer-content {
  max-width: var(--width-content);
  padding: 10px 0;
  display: flex;
  gap: 24px;
  margin: 0 auto;
}

.site-footer-block {
  padding-left: 1em;
}

.site-footer-block ul,
.site-footer-block ol {
  padding-left: 1em;
}

.site-footer-block ol {
  padding-left: 2em;
}

.site-footer-block li::marker {
  font-family: var(--font-code);
  color: var(--color-text-tertiary);
}

.site-footer-block ul li {
  padding-inline-start: 1ch;
  list-style-type: "-";
}

.site-footer-block ol li {
  list-style-type: decimal;
}

.site-footer-block:first-child {
  flex: 1;
}

.site-footer-block:nth-child(2) {
  flex: 2;
}

.site-footer-block h3 {
  font-size: 20px;
  line-height: 2em;
}

.site-footer-categories {
  line-height: 1.7em;
}

.site-footer-num {
  opacity: 0.5;
}

.site-footer-search {
  margin-top: 40px;
  display: flex;
  align-items: center;
}

.site-footer-search input,
.site-footer-search button {
  height: 36px;
}

.site-footer-search input {
  border-radius: var(--radius-md) 0 0 var(--radius-md);
  padding: 0 8px;
  border-right: none;
  flex: 1;
}

.site-footer-search input::placeholder {
  font-size: 12px;
}

.site-footer-search button {
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  border: none;
  background: var(--color-primary);
  color: var(--color-text-reverse);
  padding: 0 12px;
}

.site-footer-rss {
  color: var(--color-text-tertiary);
  margin-top: 20px;
}

.site-footer-rss a {
  color: var(--color-text-tertiary);
}

.site-footer-rss a:hover {
  color: var(--color-link-hover);
}

.site-footer-tags {
  font-size: 12px;
}

.site-footer-tags a {
  display: inline-block;
  border: 1px solid var(--color-border);
  padding: 4px 8px;
  margin: 0 8px 4px 0;
}

.site-footer-tags a:hover {
  background: var(--bg-paper);
  transform: scale(1.1);
  border-color: var(--color-link-hover);
}

.site-footer-tags a:focus-visible {
  border-color: var(--color-link-hover);
}

.site-footer-copyright {
  font-size: 12px;
  text-align: center;
  padding: 40px 0;
}

/* --- 响应式 --- */
@media screen and (max-width: 800px) {
  body {
    padding-top: 0;
    background: none;
  }

  .normal_page {
    padding: 20px;
  }

  .basic-layout {
    border: none;
    margin: 0 auto 40px auto;
    padding: 0 20px;
    box-shadow: none;
  }

  .site-nav {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height: 260px;
    padding: 60px 0 40px 0;
  }

  .site-nav-header {
    text-align: center;
  }

  .site-nav-links {
    font-size: 18px;
    margin: 20px 0 0 0;
  }

  .site-footer {
    box-shadow: none;
  }

  .site-footer-content {
    padding: 10px 0;
    flex-direction: column;
  }

  .site-footer-block:nth-child(1) {
    width: 100%;
    position: relative;
    padding-top: 90px;
  }

  .site-footer-search {
    position: absolute;
    top: 10px;
    margin: 0;
    width: 100%;
  }

  .post-list-item {
    border-radius: 0;
  }

  .post-list-item.has-cover {
    flex-direction: column;
  }

  .post-list-cover {
    width: 100%;
  }

  .captcha-input-field {
    flex: 1;
  }

  .feedback-form-submit button[type="submit"],
  .comment-form-submit button[type="submit"] {
    width: 100%;
  }

  .posts-archive ul {
    display: flex;
    flex-direction: column;
    gap: 0.8em;
    padding-left: 5em;
  }

  .posts-archive li {
    font-size: 16px;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
  }

  .posts-archive-year {
    flex-direction: column;
    margin-bottom: 4em;
    gap: 20px;
  }

  .post-detail-content {
    font-size: 18px;
    line-height: 1.7em;
  }

  .post-comment-children {
    margin: 10px 0 0 20px;
  }
}