/* ===== 博客内容样式 ===== */
.page-hero { margin-bottom: 24px; }
.page-hero h1 { font-size: 24px; font-weight: 700; color: var(--brand); }
.page-hero p { color: var(--text-secondary); font-size: 14px; margin-top: 4px; }

.tag-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag-pill {
  padding: 6px 14px; border-radius: var(--radius-pill); font-size: 13px; cursor: pointer;
  border: 1px solid var(--border);
  background: var(--acrylic-input);
  color: var(--text-secondary);
  transition: all .2s;
}
.tag-pill:hover { border-color: var(--brand); color: var(--text); }
.tag-pill.active { background: var(--brand-soft); border-color: var(--brand); color: var(--brand); font-weight: 500; }
.tag-expand-btn {
  padding: 6px 14px; border-radius: var(--radius-pill); font-size: 13px; cursor: pointer;
  border: 1px dashed var(--border); background: transparent; color: var(--text-secondary);
  transition: all .2s;
}
.tag-expand-btn:hover { border-color: var(--brand); color: var(--brand); }
.tag-exclude-pill { cursor: pointer; transition: all .2s; }
.tag-exclude-pill.excluded {
  text-decoration: line-through; opacity: .45;
  border-color: var(--danger); color: var(--danger);
}

.heatmap-wrap {
  background: var(--acrylic-bar); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  margin-bottom: 20px; overflow-x: auto;
}
.heatmap { display: block; width: 100%; max-width: 100%; height: auto; }
.heatmap-month, .heatmap-weekday { fill: var(--text-secondary); font-size: 9px; }
.heatmap-cell { cursor: pointer; transition: opacity .15s; }
.heatmap-cell-future { fill: transparent; }

.post-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 16px;
}

/* 列表视图：紧凑单行 */
.post-list { display: flex; flex-direction: column; }
.post-list-item {
  display: flex; align-items: baseline; gap: 12px;
  padding: 12px 4px; cursor: pointer;
  border-bottom: 1px solid var(--border);
  transition: color .15s;
}
.post-list-item:hover { color: var(--brand); }
.post-list-item:hover .post-list-title { color: var(--brand); }
.post-list-date { font-size: 12px; color: var(--text-secondary); flex-shrink: 0; width: 88px; }
.post-list-title { font-size: 15px; font-weight: 500; flex: 1; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.post-list-tag { font-size: 11px; color: var(--text-secondary); flex-shrink: 0; }

/* 阅读视图：沉浸全宽 */
.post-reading { display: flex; flex-direction: column; gap: 4px; max-width: 720px; margin: 0 auto; }
.post-reading-item { padding: 18px 0; cursor: pointer; border-bottom: 1px solid var(--border); }
.post-reading-item:hover .post-reading-title { color: var(--brand); }
.post-reading-title { font-size: 19px; font-weight: 600; margin-bottom: 8px; }
.post-reading-excerpt { font-size: 14px; line-height: 1.7; color: var(--text-secondary); }

.post-card {
  background: var(--acrylic-bar); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden; cursor: pointer;
  display: flex; flex-direction: column;
  transition: background .2s, border-color .2s, transform .2s;
}
.post-card:hover { background: var(--surface-hover); border-color: var(--brand); }
.post-card-cover {
  width: 100%; aspect-ratio: 16/9;
  background-color: var(--surface);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 28px; font-weight: 700;
}
.post-card-body { padding: 14px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.post-card h3 { font-size: 15px; font-weight: 600; line-height: 1.35; }
.post-card-meta { font-size: 11px; color: var(--text-secondary); display: flex; gap: 10px; flex-wrap: wrap; }
.post-card-excerpt { font-size: 12px; color: var(--text-secondary); line-height: 1.55; }

/* 文章详情：全宽铺满，参考 gooseAI 的 AI 回复样式 */
.post-view {
  width: 100%;
  padding: 8px 0;
  font-family: var(--font-read);
}
.post-view .back-link {
  display: inline-flex; align-items: center; gap: 4px;
  color: var(--text-secondary); font-size: 12px; margin-bottom: 20px;
  cursor: pointer; border: none; background: none; padding: 0;
  transition: color .2s;
}
.post-view .back-link::before { content: '\2190'; }
.post-view .back-link:hover { color: var(--brand); }
.post-cover {
  position: relative; width: 100%;
  min-height: 260px; max-height: 50vh;
  border-radius: 8px; overflow: hidden;
  margin-top: -8px; margin-bottom: 0;
  background-color: var(--surface);
  background-position: center; background-size: cover; background-repeat: no-repeat;
}
.post-cover-overlay {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 60px 24px 48px 24px;
  background: linear-gradient(to top, var(--bg, #15131f) 0%, var(--bg, #15131f) 35%, transparent 100%);
}
.post-cover-title {
  font-size: 26px; font-weight: 700; color: #fff; line-height: 1.3;
  text-shadow: 0 2px 8px rgba(0,0,0,0.5);
  word-break: break-word; overflow-wrap: break-word;
}
.post-cover-meta {
  font-size: 12px; color: rgba(255,255,255,0.7);
  display: flex; gap: 12px; margin-top: 6px;
}
/* 竖屏：封面稍矮，标题字号缩小 */
@media (max-width: 768px) {
  .post-cover { min-height: 200px; max-height: 40vh; margin-bottom: 0; }
  .post-cover-overlay { padding: 40px 16px 30px 16px; }
  .post-cover-title { font-size: 20px; }
}
@media (max-width: 480px) {
  .post-cover { width: calc(100% + 32px); margin-left: -16px; border-radius: 0; }
  .post-cover-overlay { padding: 36px 14px 24px 14px; }
  .post-cover-title { font-size: 18px; }
}
.post-view-title { font-size: 26px; font-weight: 700; margin-bottom: 10px; color: var(--text); line-height: 1.3; word-break: break-word; overflow-wrap: break-word; }
.post-view-meta {
  font-size: 12px; color: var(--text-secondary); display: flex; gap: 12px;
  margin-bottom: 24px;
}

/* 上一篇 / 下一篇 */
.post-nav {
  display: flex; gap: 16px; margin-top: 40px; padding-top: 20px;
  border-top: 1px solid var(--border);
}
.post-nav-link {
  flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 4px;
  padding: 14px 16px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--border); background: var(--acrylic-bar);
  text-decoration: none; transition: border-color .15s, background .15s;
}
.post-nav-link:hover { border-color: var(--brand); background: var(--surface-hover); }
.post-nav-prev { align-items: flex-start; text-align: left; }
.post-nav-next { align-items: flex-end; text-align: right; }
.post-nav-label {
  font-size: 11px; color: var(--text-secondary);
}
.post-nav-title {
  font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.35;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
}
.post-nav-excerpt {
  font-size: 12px; color: var(--text-secondary); line-height: 1.4;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
@media (max-width: 600px) {
  .post-nav { flex-direction: column; }
  .post-nav-next { align-items: flex-start; text-align: left; }
}

/* gooseAI AI 回复正文样式 */
.ai-content {
  width: 100%; font-size: 15px; line-height: 1.7;
  color: var(--text); word-break: break-word;
}
.ai-content > *:first-child { margin-top: 0; }
.ai-content p { margin: 0 0 12px; }
.ai-content p:last-child { margin-bottom: 0; }
.ai-content ul, .ai-content ol { margin: 0 0 12px 20px; padding: 0; }
.ai-content li { margin-bottom: 4px; }
.ai-content strong { font-weight: 600; }
.ai-content em { font-style: italic; }
.ai-content h1, .ai-content h2, .ai-content h3,
.ai-content h4, .ai-content h5, .ai-content h6 {
  margin: 18px 0 10px; line-height: 1.35; font-weight: 600; color: var(--text);
  scroll-margin-top: 20px;
}
.ai-content h1 { font-size: 22px; }
.ai-content h2 { font-size: 19px; }
.ai-content h3 { font-size: 17px; }
.ai-content h4, .ai-content h5, .ai-content h6 { font-size: 15px; }
/* 标题锚点链接 */
.ai-content .heading-anchor {
  position: absolute; left: -28px; top: 50%; transform: translateY(-50%);
  color: var(--brand); opacity: .25; transition: opacity .15s;
  font-size: 1em; text-decoration: none !important; font-weight: 500;
  padding: 2px 4px; border-radius: 4px;
}
.ai-content .anchor-heading:hover .heading-anchor { opacity: 1; }
.ai-content .anchor-heading .heading-anchor:hover { opacity: 1; }
.ai-content a { color: var(--brand); text-decoration: none; }
.ai-content a:hover { text-decoration: underline; }
.ai-content code {
  font-family: 'SFMono-Regular', Consolas, Menlo, monospace;
  font-size: 13.5px; background: rgba(255,255,255,0.08);
  padding: 2px 6px; border-radius: 6px;
}
.ai-content pre {
  margin: 0 0 12px; background: rgba(0,0,0,0.28);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 14px 16px; overflow-x: auto;
}
.ai-content pre code { background: none; padding: 0; font-size: 13px; line-height: 1.6; color: var(--text); }
.code-copy-btn {
  position: absolute; top: 8px; right: 8px;
  width: 30px; height: 30px; padding: 6px; border-radius: 4px;
  border: none; background: rgba(255,255,255,0.06);
  color: var(--text-secondary); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; transition: opacity .15s, color .15s, background .15s;
}
.ai-content pre:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { color: var(--brand); background: rgba(255,255,255,0.1); }
.code-copy-btn.copied { color: #22c55e; background: rgba(34,197,94,0.15); }
.ai-content blockquote {
  margin: 0 0 12px; padding: 6px 14px;
  border-left: 3px solid var(--brand); color: var(--text-secondary);
  background: rgba(255,255,255,0.03); border-radius: 0 6px 6px 0;
}
.ai-content hr { border: none; border-top: 1px solid var(--border); margin: 16px 0; }
.ai-content img { max-width: 100%; border-radius: var(--radius-sm); margin: 4px 0 12px; }
.ai-content table {
  width: 100%; border-collapse: collapse; margin: 0 0 12px;
  font-size: 14px; line-height: 1.6;
}
.ai-content th, .ai-content td {
  border: 1px solid var(--border); padding: 8px 12px;
  text-align: left;
}
.ai-content th {
  background: var(--surface); color: var(--text); font-weight: 600;
}
.ai-content tr:nth-child(even) { background: rgba(255,255,255,0.03); }
.ai-content tr:hover { background: rgba(139,92,246,0.08); }

.archive-year {
  background: var(--acrylic-bar); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 12px;
}
.archive-year h2 { font-size: 18px; font-weight: 700; color: var(--brand); margin-bottom: 12px; }
.archive-item {
  display: flex; gap: 12px; padding: 6px; border-radius: var(--radius-sm);
  cursor: pointer; transition: background .15s;
}
.archive-item:hover { background: var(--surface-hover); }
.archive-item .archive-date { font-size: 12px; color: var(--text-secondary); min-width: 70px; flex-shrink: 0; }
.archive-item .archive-title { font-size: 13px; }
.archive-item:hover .archive-title { color: var(--brand); }

/* ===== 项目展示页 ===== */
.project-section { margin-bottom: 28px; }
.project-cat-title {
  font-size: 17px; font-weight: 700; color: var(--text);
  margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.project-cat-title i { color: var(--brand); }
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 14px;
}
.project-card {
  background: var(--acrylic-bar); border: 1px solid var(--border);
  border-radius: 6px; padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
  transition: background .2s, border-color .2s;
}
.project-card:hover { background: var(--surface-hover); border-color: var(--brand); }
.project-card .project-name {
  font-size: 14px; font-weight: 600; color: var(--text);
  display: flex; align-items: center; gap: 8px;
}
.project-card .project-name i { color: var(--brand); font-size: 13px; }
.project-card .project-desc { font-size: 12px; color: var(--text-secondary); line-height: 1.5; }
.project-card .project-author { font-size: 11px; color: var(--text-secondary); }
.project-card .project-author i { color: var(--brand); font-size: 10px; }
.project-card .project-link { margin-top: auto; }
.project-card .project-link a {
  font-size: 12px; color: var(--brand); text-decoration: none;
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 0;
}
.project-card .project-link a:hover { text-decoration: underline; }
.project-empty {
  padding: 24px; text-align: center; color: var(--text-secondary);
  font-size: 13px;
}

.about-content {
  background: var(--acrylic-bar); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px 28px; text-align: center;
  max-width: 520px; margin: 0 auto;
}
.about-content .avatar {
  width: 72px; height: 72px; border-radius: 50%; margin: 0 auto 12px;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  color: #fff; font-weight: 700; font-size: 28px;
  display: flex; align-items: center; justify-content: center;
}
.about-content h2 { font-size: 20px; font-weight: 700; margin-bottom: 6px; color: var(--brand); }
.about-content .bio { color: var(--text-secondary); font-size: 13px; line-height: 1.7; max-width: 420px; margin: 0 auto 20px; }
.about-content .social-links { display: flex; justify-content: center; gap: 10px; flex-wrap: wrap; }
.about-content .social-links a {
  color: var(--text-secondary); font-size: 12px; padding: 5px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm); text-decoration: none;
  transition: all .2s;
}
.about-content .social-links a:hover { background: var(--brand-soft); color: var(--brand); border-color: var(--brand); }

/* 友链网格 */
.friend-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 12px;
}
.friend-card {
  display: flex; align-items: center; gap: 12px;
  padding: 14px 16px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--acrylic-bar);
  text-decoration: none; transition: border-color .15s, background .15s;
}
.friend-card:hover { border-color: var(--brand); background: var(--surface-hover); }
.friend-avatar {
  width: 40px; height: 40px; border-radius: 50%; flex-shrink: 0;
  background: var(--surface); object-fit: cover;
}
.friend-info { min-width: 0; }
.friend-name { font-size: 14px; font-weight: 600; color: var(--text); line-height: 1.3; }
.friend-desc {
  font-size: 12px; color: var(--text-secondary); line-height: 1.35; margin-top: 2px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}

.admin-login-wrap { max-width: 360px; margin: 80px auto; }
.admin-card { background: var(--acrylic-bar); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; }
/* 编辑器去卡片外衣：直接铺在背景上，像读博客那样 */
.admin-editor-card { background: transparent; border: none; border-radius: 0; padding: 0; box-shadow: none; }
.admin-editor-wrap { max-width: 860px; margin: 0 auto; }
.admin-editor-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }

/* 编辑器表单：短字段横排配对，长字段独占整行 */
.admin-form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 18px;
}
.admin-form-row { display: contents; }
.admin-form-full { grid-column: 1 / -1; }
.admin-field { margin-bottom: 14px; }
.admin-field label { display: block; font-size: 12px; color: var(--text-secondary); margin-bottom: 4px; }
.admin-input {
  width: 100%; padding: 9px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--acrylic-input); color: var(--text); font-size: 13px; outline: none;
  transition: border-color .2s;
}
.admin-input:focus { border-color: var(--brand); }
.admin-textarea {
  width: 100%; min-height: 440px; padding: 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--acrylic-input); color: var(--text); font-size: 13px; line-height: 1.6;
  font-family: 'SF Mono',Consolas,Monaco,'Courier New',monospace;
  outline: none; resize: vertical;
  transition: border-color .2s;
}
.admin-textarea:focus { border-color: var(--brand); }
.admin-error { color: var(--danger); font-size: 12px; margin-bottom: 10px; display: none; }
.admin-btn {
  padding: 9px 20px; border-radius: var(--radius-pill); font-size: 13px; cursor: pointer;
  transition: background .2s, transform .15s;
}
.admin-btn-primary { border: none; background: var(--brand); color: #fff; }
.admin-btn-primary:hover { background: var(--brand-hover); transform: scale(1.02); }
.admin-btn-ghost { border: 1px solid var(--border); background: transparent; color: var(--text-secondary); }
.admin-btn-ghost:hover { background: var(--surface-hover); color: var(--text); }
.admin-actions { margin-top: 16px; }
.admin-status-msg { color: var(--text-secondary); font-size: 12px; }
.admin-status-success { color: #22c55e; font-size: 12px; }
.admin-status-success a { color: var(--brand); }
.admin-status-error { color: var(--danger); font-size: 12px; }

/* 后台文章管理列表 */
.admin-manage-wrap { max-width: 900px; margin: 0 auto; }
.admin-manage-header {
  display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px;
  flex-wrap: wrap; gap: 12px;
}
.admin-header-actions { display: flex; gap: 8px; }
.admin-tabs { display: flex; gap: 4px; }
.admin-tab {
  padding: 6px 16px; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--border); background: transparent;
  color: var(--text-secondary); font-size: 13px; font-family: var(--font-ui);
  transition: background .15s, color .15s, border-color .15s;
}
.admin-tab:hover { color: var(--text); }
.admin-tab.active { color: var(--brand); background: var(--brand-soft); border-color: var(--brand); }
.admin-post-list { display: flex; flex-direction: column; gap: 10px; }
.admin-post-row {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--acrylic-bar);
}
.admin-post-info { min-width: 0; flex: 1; }
.admin-post-title { font-size: 14px; font-weight: 600; color: var(--text); margin-bottom: 4px; word-break: break-word; }
.admin-post-meta { display: flex; flex-wrap: wrap; gap: 10px; font-size: 12px; color: var(--text-secondary); }
.admin-post-slug { color: var(--text-muted); }
.admin-post-ops { display: flex; gap: 6px; flex-shrink: 0; }
.admin-btn-sm { padding: 5px 12px; font-size: 12px; }
.admin-btn-danger { border: 1px solid var(--danger); background: transparent; color: var(--danger); }
.admin-btn-danger:hover { background: var(--danger); color: #fff; }
.admin-empty { text-align: center; padding: 40px 20px; color: var(--text-secondary); font-size: 14px; }

@media (max-width: 600px) {
  .admin-post-row { flex-direction: column; align-items: stretch; }
  .admin-post-ops { justify-content: flex-end; }
  .admin-form-grid { grid-template-columns: 1fr; }
  .admin-form-full { grid-column: auto; }
}

.state-msg { text-align: center; padding: 48px 20px; color: var(--text-secondary); }
.state-msg .spinner {
  display: inline-block; width: 24px; height: 24px;
  border: 2px solid var(--border); border-top-color: var(--brand);
  border-radius: 50%; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.state-msg p { margin-top: 10px; font-size: 12px; }
.state-msg.error p { color: var(--danger); }
.state-msg.error .retry-btn {
  margin-top: 10px; padding: 5px 16px; border: 1px solid var(--border);
  border-radius: var(--radius-pill); background: var(--acrylic-input);
  color: var(--brand); font-size: 12px; cursor: pointer;
}
.state-msg.error .retry-btn:hover { background: var(--surface-hover); }
.state-msg .empty-icon {
  font-size: 28px; font-weight: 700;
  background: linear-gradient(135deg, var(--brand), var(--brand-dark));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ===== 文章底栏 ===== */
.post-actions {
  display: flex; gap: 10px; margin-top: 32px; padding-top: 20px;
  border-top: 1px solid var(--border);
}
.post-action-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 16px; border-radius: 20px; cursor: pointer;
  border: 1px solid var(--border); background: var(--acrylic-bar);
  color: var(--text-secondary); font-size: 13px;
  font-family: var(--font-ui);
  transition: border-color .15s, color .15s, background .15s;
}
.post-action-btn:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-soft); }
.post-action-btn svg { flex-shrink: 0; }

/* Toast */
.post-toast {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  z-index: 1100; padding: 10px 24px; border-radius: 20px;
  background: var(--brand); color: #fff; font-size: 13px;
  opacity: 0; pointer-events: none; transition: opacity .25s;
  font-family: var(--font-ui);
}
.post-toast.active { opacity: 1; }

/* 海报弹层 */
.poster-overlay {
  position: fixed; inset: 0; z-index: 1100;
  background: rgba(0,0,0,0.85); display: flex;
  align-items: center; justify-content: center;
  opacity: 0; pointer-events: none; transition: opacity .25s;
}
.poster-overlay.active { opacity: 1; pointer-events: auto; }
.poster-box { position: relative; max-width: 340px; }
.poster-close {
  position: absolute; top: -32px; right: 0;
  font-size: 28px; color: rgba(255,255,255,0.7);
  background: none; border: none; cursor: pointer;
}
.poster-close:hover { color: #fff; }
.poster-download {
  display: block; width: 100%; margin-top: 14px; padding: 10px 0;
  border-radius: 8px; border: none; background: var(--brand);
  color: #fff; font-size: 14px; text-align: center;
  text-decoration: none; cursor: pointer;
  font-family: var(--font-ui); transition: opacity .15s;
}
.poster-download:hover { opacity: 0.85; }

/* HTML 海报 */
.poster-html {
  width: 320px; margin: 0 auto; border-radius: 10px; overflow: hidden;
  background: #15131f; color: #f4f0fb;
  font-family: var(--font-ui);
}
.poster-html-bg {
  width: 100%; height: 200px;
  background-color: var(--surface);
  background-position: center; background-size: cover; background-repeat: no-repeat;
  position: relative; overflow: hidden;
}
.poster-html-cover {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.poster-html-gradient {
  position: absolute; bottom: 0; left: 0; right: 0; height: 50%;
  background: linear-gradient(to bottom, transparent, #15131f);
}
.poster-html-title {
  padding: 8px 20px 0; font-size: 16px; font-weight: 700; line-height: 1.4;
  color: #f4f0fb;
}
.poster-html-divider {
  margin: 12px 20px; height: 1px; background: rgba(255,255,255,0.1);
}
.poster-html-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 20px 20px;
}
.poster-html-user { display: flex; align-items: center; gap: 8px; }
.poster-html-avatar {
  width: 32px; height: 32px; border-radius: 50%; flex-shrink: 0;
}
.poster-html-meta { display: flex; flex-direction: column; gap: 2px; }
.poster-html-domain { font-size: 12px; color: #f4f0fb; }
.poster-html-hint { font-size: 10px; color: rgba(255,255,255,0.5); }
.poster-html-qr {
  width: 60px; height: 60px; border-radius: 4px; flex-shrink: 0;
  background: #fff; padding: 3px;
}

@media (max-width: 768px) {
  .toc-ball { bottom: 16px; right: 16px; width: 40px; height: 40px; }
  .toc-panel { bottom: 68px; right: 16px; max-width: calc(100vw - 40px); }
  .image-overlay-close { top: 10px; right: 12px; font-size: 30px; }
}