/* ============================================================
   桔梗同学 · emlog Pro 2.x 主题样式
   极简内容风个人IP博客主题
   ============================================================ */

/* ---------- CSS 自定义属性 ---------- */
:root {
  --color-bg: #FDFBF7;
  --color-bg-card: #FFFFFF;
  --color-text: #2D2D2D;
  --color-text-secondary: #666666;
  --color-text-muted: #999999;
  --color-accent: #C44536;
  --color-accent-light: #F5E6E2;
  --color-border: #E8E6E1;
  --color-hero-bg: #F5F3EF;

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue",
               Helvetica, Arial, sans-serif;
  --font-serif: Georgia, "Times New Roman", "Songti SC", SimSun, serif;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(45, 45, 45, 0.06);
  --shadow-md: 0 4px 16px rgba(45, 45, 45, 0.08);
  --shadow-lg: 0 12px 32px rgba(45, 45, 45, 0.12);

  --container-width: 1200px;
  --header-height: 64px;
  --transition: all 0.25s ease;
}

/* ---------- Reset / 基础样式 ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--color-accent);
  opacity: 0.85;
}

ul,
ol {
  list-style: none;
}

input,
textarea,
button,
select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
}

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-block;
  padding: 10px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--color-accent);
  color: #fff;
}

.btn-primary:hover {
  background: #a83a2c;
  color: #fff;
  opacity: 1;
}

/* ---------- 头部 Header (sticky, minimal) ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(253, 251, 247, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
}

.site-brand {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-shrink: 0;
}

.site-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 1px;
}

.site-logo:hover {
  color: var(--color-accent);
  opacity: 1;
}

.site-tagline {
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.5px;
}

.site-nav .nav-list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav .nav-item {
  position: relative;
}

.site-nav .nav-item > .nav-link {
  display: block;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 14px;
  font-weight: 500;
  transition: var(--transition);
}

.site-nav .nav-item > .nav-link:hover,
.site-nav .nav-item.current > .nav-link {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

.site-nav .dropdown-menus {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 160px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  padding: 6px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 50;
}

.site-nav .nav-item:hover .dropdown-menus {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.site-nav .dropdown-menus .nav-link {
  display: block;
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  font-size: 13px;
}

.site-nav .dropdown-menus .nav-link:hover {
  color: var(--color-accent);
  background: var(--color-accent-light);
}

/* 用户菜单（已登录） */
.site-nav .user-menu {
  display: flex;
  align-items: center;
}

.header-avatar {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  object-fit: cover;
  margin-right: 6px;
}

.user-menu-label {
  font-size: 13px;
  color: var(--color-text-secondary);
}

.site-nav .user-dropdown-menus {
  right: 0;
  left: auto;
  min-width: 140px;
}

/* 登录链接 */
.site-nav .nav-link-login {
  color: var(--color-accent);
  font-weight: 600;
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

.menu-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ---------- Hero Section ---------- */
.hero-section {
  background: var(--color-hero-bg);
  border-bottom: 1px solid var(--color-border);
  padding: 72px 0 64px;
  text-align: center;
}

.hero-content {
  animation: fadeInUp 0.6s ease both;
}

.hero-title {
  font-size: 44px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--color-text);
  margin-bottom: 12px;
}

.hero-subtitle {
  font-size: 18px;
  font-weight: 500;
  color: var(--color-accent);
  margin-bottom: 16px;
  letter-spacing: 1px;
}

.hero-desc {
  font-size: 15px;
  color: var(--color-text-secondary);
  max-width: 560px;
  margin: 0 auto 28px;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  flex-wrap: wrap;
}

.hero-stats span {
  font-size: 13px;
  color: var(--color-text-muted);
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.hero-stats strong {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
}

/* ---------- 内容区布局 ---------- */
.content-area {
  display: flex;
  gap: 32px;
  padding-top: 40px;
  padding-bottom: 60px;
  align-items: flex-start;
}

.content-main {
  flex: 1;
  min-width: 0;
}

.content-full {
  max-width: 820px;
  margin: 0 auto;
}

/* ---------- 文章卡片 ---------- */
.post-card {
  display: flex;
  gap: 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.post-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.post-cover {
  flex-shrink: 0;
  width: 220px;
  height: 150px;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.post-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.post-card:hover .post-cover img {
  transform: scale(1.05);
}

.post-body {
  flex: 1;
  min-width: 0;
}

.post-meta-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.post-category a {
  display: inline-block;
  padding: 3px 12px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 500;
}

.badge-top {
  display: inline-block;
  padding: 3px 10px;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
  font-size: 12px;
}

.post-title {
  font-size: 20px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 8px;
}

.post-title a {
  color: var(--color-text);
}

.post-title a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.post-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.post-meta-bottom {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.post-meta-bottom span {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-link {
  font-size: 12px;
  color: var(--color-text-muted);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2px 10px;
  border-radius: 999px;
}

.tag-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------- 分区标题 ---------- */
.section-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 6px;
  position: relative;
  padding-bottom: 12px;
}

.section-title::after {
  content: '';
  display: block;
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
  margin-top: 8px;
}

.section-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 28px;
}

/* ---------- 精选案例专区 ---------- */
.featured-section {
  margin-bottom: 48px;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.featured-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.featured-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}

.featured-cover {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.featured-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.featured-card:hover .featured-cover img {
  transform: scale(1.05);
}

.featured-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.featured-meta-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
  flex-wrap: wrap;
}

.featured-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
}

.featured-title a {
  color: var(--color-text);
}

.featured-title a:hover {
  color: var(--color-accent);
  opacity: 1;
}

.featured-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.featured-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--color-accent-light);
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
}

.result-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.result-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-accent);
}

.featured-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

.featured-date {
  color: var(--color-text-muted);
}

.featured-readmore {
  font-weight: 600;
  font-size: 13px;
}

.featured-readmore:hover {
  opacity: 1;
}

/* ---------- 文章列表分区 ---------- */
.posts-section {
  margin-bottom: 24px;
}

.posts-section .section-title {
  margin-bottom: 24px;
}

/* ---------- 空状态 ---------- */
.empty-state {
  background: var(--color-bg-card);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 60px 24px;
  text-align: center;
  color: var(--color-text-muted);
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 32px;
  flex-wrap: wrap;
}

.pagination a,
.pagination span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 10px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg-card);
  color: var(--color-text-secondary);
  font-size: 13px;
  transition: var(--transition);
}

.pagination a:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.pagination .current {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

/* ---------- 侧边栏 Widget ---------- */
.content-side {
  width: 300px;
  flex-shrink: 0;
}

.widget {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
}

.widget-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 12px;
  margin-bottom: 14px;
  border-bottom: 2px solid var(--color-accent-light);
  position: relative;
}

.widget-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 36px;
  height: 2px;
  background: var(--color-accent);
}

.widget ul li {
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border);
  font-size: 14px;
}

.widget ul li:last-child {
  border-bottom: none;
}

.widget ul li a {
  color: var(--color-text-secondary);
}

.widget ul li a:hover {
  color: var(--color-accent);
}

.widget .count {
  color: var(--color-text-muted);
  font-size: 12px;
}

/* 博主卡片 */
.blogger-card {
  display: flex;
  align-items: center;
  gap: 14px;
}

.blogger-avatar img {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--color-accent-light);
}

.blogger-name {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-text);
}

.blogger-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* 标签云 */
.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag-cloud-link {
  font-size: 13px !important;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 4px 12px;
  border-radius: 999px;
  transition: var(--transition);
}

.tag-cloud-link:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
  background: var(--color-accent-light);
}

/* 搜索 */
.search-form {
  display: flex;
  gap: 8px;
}

.search-input {
  flex: 1;
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 14px;
  transition: var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-accent);
}

.search-btn {
  padding: 0 14px;
  background: var(--color-accent);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 16px;
}

.search-btn:hover {
  background: #a83a2c;
}

/* 日历 */
.calendar-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 13px;
}

.calendar-table caption {
  font-weight: 700;
  color: var(--color-text);
  padding-bottom: 8px;
}

.calendar-table th {
  color: var(--color-text-muted);
  font-weight: 500;
  padding: 4px;
}

.calendar-table td {
  padding: 4px;
  color: var(--color-text-secondary);
}

.calendar-table td a {
  display: inline-block;
  width: 100%;
  color: var(--color-accent);
  font-weight: 600;
}

.calendar-table td.today {
  background: var(--color-accent);
  color: #fff;
  border-radius: 4px;
}

/* ---------- 文章详情 ---------- */
.post-detail {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: var(--shadow-sm);
}

.post-detail-header {
  margin-bottom: 24px;
}

.post-detail-category {
  margin-bottom: 12px;
}

.post-detail-category a {
  display: inline-block;
  padding: 4px 14px;
  background: var(--color-accent-light);
  color: var(--color-accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

.post-detail-title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: 14px;
}

.post-detail-title .badge-top {
  margin-right: 10px;
  vertical-align: middle;
}

.post-detail-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--color-text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.meta-item a {
  color: var(--color-text-muted);
}

.meta-item a:hover {
  color: var(--color-accent);
}

.post-detail-cover {
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 28px;
}

.post-detail-cover img {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
}

/* 案例成果数据框 */
.case-result-box {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  background: var(--color-accent-light);
  border-left: 4px solid var(--color-accent);
  border-radius: var(--radius-sm);
  margin-bottom: 28px;
}

.case-result-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-accent);
  white-space: nowrap;
}

.case-result-value {
  font-size: 16px;
  font-weight: 700;
  color: var(--color-accent);
}

/* 正文 Markdown */
.post-detail-content {
  font-size: 15.5px;
  color: var(--color-text);
  line-height: 1.9;
}

.post-detail-content p {
  margin-bottom: 18px;
}

.post-detail-content h1,
.post-detail-content h2,
.post-detail-content h3,
.post-detail-content h4,
.post-detail-content h5,
.post-detail-content h6 {
  font-weight: 700;
  color: var(--color-text);
  margin: 28px 0 14px;
  line-height: 1.4;
}

.post-detail-content h1 { font-size: 24px; }
.post-detail-content h2 { font-size: 21px; }
.post-detail-content h3 { font-size: 18px; }
.post-detail-content h4 { font-size: 16px; }

.post-detail-content a {
  color: var(--color-accent);
  border-bottom: 1px solid var(--color-accent-light);
}

.post-detail-content img {
  border-radius: var(--radius-md);
  margin: 8px 0;
}

.post-detail-content blockquote {
  border-left: 3px solid var(--color-accent);
  background: var(--color-accent-light);
  padding: 14px 20px;
  margin: 18px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-secondary);
}

.post-detail-content ul,
.post-detail-content ol {
  margin: 0 0 18px 24px;
}

.post-detail-content ul { list-style: disc; }
.post-detail-content ol { list-style: decimal; }

.post-detail-content li {
  margin-bottom: 6px;
}

.post-detail-content code {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.post-detail-content pre {
  background: #2d2d2d;
  color: #f5f5f5;
  padding: 18px;
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 18px 0;
}

.post-detail-content pre code {
  background: none;
  border: none;
  padding: 0;
  color: inherit;
}

.post-detail-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0;
  font-size: 14px;
}

.post-detail-content th,
.post-detail-content td {
  border: 1px solid var(--color-border);
  padding: 10px 14px;
  text-align: left;
}

.post-detail-content th {
  background: var(--color-hero-bg);
  font-weight: 600;
}

.post-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding-top: 20px;
  margin-top: 24px;
  border-top: 1px solid var(--color-border);
}

/* 上下篇 */
.post-neighbor {
  margin-top: 28px;
}

.neighbor-nav {
  display: flex;
  gap: 16px;
}

.neighbor {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  transition: var(--transition);
}

.neighbor:hover {
  border-color: var(--color-accent);
}

.neighbor span {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.neighbor a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text);
}

.neighbor a:hover {
  color: var(--color-accent);
}

/* ---------- 评论 ---------- */
.comments-wrapper,
.comment-respond {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 24px;
  box-shadow: var(--shadow-sm);
}

.comments-title,
.comment-reply-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-accent-light);
}

.comments-list {
  margin: 0;
}

.comment-item {
  padding: 16px 0;
  border-bottom: 1px dashed var(--color-border);
}

.comment-item:last-child {
  border-bottom: none;
}

.comment-body {
  display: flex;
  gap: 14px;
}

.comment-avatar img {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}

.comment-content {
  flex: 1;
  min-width: 0;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}

.comment-author {
  font-weight: 600;
  color: var(--color-text);
  font-size: 14px;
}

.comment-author a {
  color: var(--color-text);
}

.comment-author a:hover {
  color: var(--color-accent);
}

.comment-badge.author {
  font-size: 11px;
  background: var(--color-accent);
  color: #fff;
  padding: 1px 8px;
  border-radius: 999px;
}

.comment-date {
  font-size: 12px;
  color: var(--color-text-muted);
}

.comment-reply-link {
  font-size: 12px;
  color: var(--color-accent);
  margin-left: auto;
}

.comment-text {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.8;
}

.comments-list .children {
  margin: 14px 0 0 56px;
  padding-left: 16px;
  border-left: 2px solid var(--color-accent-light);
}

/* 评论表单 */
.comment-login-info {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 14px;
}

.comment-fields {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.comment-input {
  flex: 1;
  min-width: 160px;
}

.comment-input input,
.comment-verify input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 14px;
  transition: var(--transition);
}

.comment-input input:focus,
.comment-verify input:focus,
.comment-textarea textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}

.comment-textarea {
  margin-bottom: 12px;
}

.comment-textarea textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  font-size: 14px;
  resize: vertical;
  min-height: 110px;
  transition: var(--transition);
}

.comment-verify {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 14px;
}

.comment-verify input {
  width: 140px;
}

.comment-verify img {
  cursor: pointer;
  border-radius: var(--radius-sm);
  height: 40px;
}

.form-submit .btn {
  padding: 10px 32px;
}

.comment-respond .closed {
  color: var(--color-text-muted);
  font-size: 14px;
}

/* ---------- 关于页 ---------- */
.about-page .about-hero {
  text-align: center;
  padding: 20px 0 32px;
  margin-bottom: 28px;
  border-bottom: 1px solid var(--color-border);
}

.about-avatar img {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 16px;
  border: 3px solid var(--color-accent-light);
}

.about-name {
  font-size: 28px;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: 8px;
}

.about-tagline {
  font-size: 15px;
  color: var(--color-accent);
  margin-bottom: 10px;
}

.about-desc {
  font-size: 14px;
  color: var(--color-text-secondary);
  max-width: 480px;
  margin: 0 auto;
}

/* ---------- 404 页面 ---------- */
.error-page {
  text-align: center;
  padding: 100px 24px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.error-code {
  font-size: 96px;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: 16px;
}

.error-msg {
  font-size: 22px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 8px;
}

.error-page p {
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.error-page .btn {
  margin-top: 20px;
}

/* ---------- 页脚 ---------- */
.site-footer {
  background: var(--color-hero-bg);
  border-top: 1px solid var(--color-border);
  padding: 48px 0 24px;
  margin-top: 40px;
}

.footer-brand {
  text-align: center;
  margin-bottom: 28px;
}

.footer-logo {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: 1px;
}

.footer-desc {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
  font-size: 13px;
  color: var(--color-text-muted);
}

.footer-bottom a {
  color: var(--color-text-muted);
}

.footer-bottom a:hover {
  color: var(--color-accent);
}

/* ---------- 返回顶部 ---------- */
.back-to-top {
  position: fixed;
  right: 28px;
  bottom: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-accent);
  color: #fff;
  font-size: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 90;
}

.back-to-top.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: #a83a2c;
}

/* ---------- 动画 ---------- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.post-card {
  animation: fadeInUp 0.5s ease both;
}

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .content-area {
    flex-direction: column;
  }

  .content-side {
    width: 100%;
  }

  .post-cover {
    width: 180px;
    height: 130px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .site-tagline {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 12px 16px;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: var(--transition);
  }

  .site-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .site-nav .nav-list {
    flex-direction: column;
    align-items: stretch;
  }

  .site-nav .nav-item > .nav-link {
    padding: 12px 8px;
  }

  .site-nav .dropdown-menus {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    padding-left: 16px;
  }

  .hero-section {
    padding: 48px 0 44px;
  }

  .hero-title {
    font-size: 32px;
  }

  .hero-stats {
    gap: 24px;
  }

  .post-card {
    flex-direction: column;
    padding: 18px;
  }

  .post-cover {
    width: 100%;
    height: 180px;
  }

  .featured-grid {
    grid-template-columns: 1fr;
  }

  .featured-cover {
    height: 180px;
  }

  .post-detail {
    padding: 24px 18px;
  }

  .post-detail-title {
    font-size: 24px;
  }

  .neighbor-nav {
    flex-direction: column;
  }

  .comments-list .children {
    margin-left: 24px;
  }

  .back-to-top {
    right: 16px;
    bottom: 16px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 26px;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .post-detail-title {
    font-size: 21px;
  }

  .post-detail-meta {
    gap: 12px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}