:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #172033;
  --muted: #67738a;
  --line: #e4e9f2;
  --primary: #3b82f6;
  --primary-hover: #2a6fe0;
  --header-bg: #0f172a;
  --header-border: rgba(255, 255, 255, 0.1);
  --radius: 12px;
  --shadow: 0 8px 24px rgba(20, 30, 55, 0.06);
}

[data-theme="dark"] {
  --bg: #0b1220;
  --card: #111a2e;
  --text: #deebff;
  --muted: #9dafcf;
  --line: #22304d;
  --header-bg: #050b16;
  --header-border: rgba(255, 255, 255, 0.12);
  --shadow: 0 10px 28px rgba(0, 0, 0, 0.36);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.7 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

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

a:hover {
  color: var(--primary-hover);
}

.skip-link {
  position: absolute;
  left: -9999px;
}

.skip-link:focus {
  left: 12px;
  top: 12px;
  background: #000;
  color: #fff;
  padding: 6px 10px;
  border-radius: 6px;
  z-index: 1000;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.container {
  width: min(1160px, calc(100% - 24px));
  margin: 0 auto;
}

.forum-header {
  background: var(--header-bg);
  border-bottom: 1px solid var(--header-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.forum-header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  min-height: 64px;
}

.forum-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 700;
  min-width: 0;
}

.logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #3b82f6, #8b5cf6);
  font-size: 12px;
}

.logo-mark-image {
  padding: 0;
  overflow: visible;
  background: transparent;
}

.logo-mark-image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.forum-logo.has-image .logo-mark-image {
  width: 140px;
  max-width: 24vw;
  height: 34px;
  border-radius: 6px;
}

.forum-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  flex-wrap: wrap;
}

.forum-nav-link {
  color: rgba(255, 255, 255, 0.78);
  padding: 6px 10px;
  border-radius: 8px;
}

.forum-nav-link:hover,
.forum-nav-link.is-active {
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.forum-user-chip {
  border: 1px solid rgba(255, 255, 255, 0.24);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.forum-user-name {
  font-size: 13px;
  max-width: 96px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forum-user-menu {
  position: relative;
  display: inline-flex;
}

.forum-user-menu::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: 100%;
  height: 12px;
}

.forum-nav-toggle {
  display: none;
  border: 0;
  background: transparent;
  width: 38px;
  height: 38px;
  padding: 8px;
  margin-left: auto;
}

.forum-theme-toggle {
  border: 1px solid rgba(255, 255, 255, 0.22);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  width: 38px;
  height: 38px;
  padding: 0;
  cursor: pointer;
  margin-left: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  position: relative;
  z-index: 110;
}

.forum-theme-toggle:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.16);
}

.forum-theme-toggle[data-mode="dark"] {
  background: rgba(59, 130, 246, 0.26);
  border-color: rgba(96, 165, 250, 0.58);
  box-shadow: 0 6px 16px rgba(59, 130, 246, 0.35);
}

.forum-theme-icon {
  font-size: 16px;
  line-height: 1;
}

.forum-user-avatar {
  width: 26px;
  height: 26px;
  border-radius: 999px;
  object-fit: cover;
  display: inline-grid;
  place-items: center;
}

.forum-user-avatar-fallback {
  background: rgba(59, 130, 246, 0.3);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
}

.forum-nav-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: #fff;
}

.forum-toolbar {
  margin-top: 16px;
}

.forum-search {
  display: flex;
  gap: 10px;
  align-items: center;
}

.forum-search-field {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0 12px;
  box-shadow: 0 6px 18px rgba(17, 29, 58, 0.06);
}

.forum-search-icon {
  color: #7c8ca8;
  font-size: 14px;
}

.forum-search-input,
.forum-form-grid input,
.forum-reply-box textarea,
.forum-reply-box input[type="password"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  outline: none;
  background: #fff;
}

.forum-search-input {
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 12px 0;
}

.forum-search-input:focus,
.forum-form-grid input:focus,
.forum-reply-box textarea:focus,
.forum-reply-box input[type="password"]:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.13);
}

.forum-search-field:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.13);
}

.forum-search-btn {
  min-width: 46px;
  height: 46px;
  padding: 0;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.25);
}

.forum-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 18px;
  margin: 16px auto 24px;
}

.forum-content > * + * {
  margin-top: 14px;
}

.forum-breadcrumb {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px 14px;
  color: var(--muted);
}

.forum-board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.forum-board-zone {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}

.forum-board-zone-head {
  margin-bottom: 12px;
}

.forum-board-zone-head h2 {
  margin: 0;
  font-size: 20px;
}

.forum-board-zone-head p {
  margin: 4px 0 0;
  color: var(--muted);
}

.forum-channel-strip {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 10px;
}

.forum-channel-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.forum-channel-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fafc;
  color: #304c78;
  padding: 5px 10px;
  font-size: 13px;
}

.forum-channel-item em {
  font-style: normal;
  font-size: 12px;
  color: #7a8dad;
}

.forum-channel-dot {
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: #60a5fa;
}

.forum-board-mini-zone {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 8px;
}

.forum-board-mini-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(122px, 1fr));
  gap: 8px;
}

.forum-board-mini-card {
  position: relative;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  min-height: 64px;
  border-radius: 8px;
  border: 1px solid #dce7fa;
  background: linear-gradient(180deg, #f9fbff, #eef4ff);
  padding: 6px 8px;
  color: #1d3d72;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.forum-board-mini-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(30, 64, 175, 0.12);
  border-color: rgba(59, 130, 246, 0.35);
}

.forum-board-mini-card.has-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--mini-board-cover);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.forum-board-mini-card.has-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.12), rgba(10, 20, 40, 0.58));
}

.forum-board-mini-card.has-cover .forum-board-mini-name,
.forum-board-mini-card.has-cover .forum-board-mini-count {
  position: relative;
  z-index: 1;
  color: #fff;
}

.forum-board-mini-name {
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
}

.forum-board-mini-count {
  display: inline-flex;
  min-width: 20px;
  height: 20px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  color: #4f668e;
  background: rgba(255, 255, 255, 0.8);
}

.forum-board-card,
.forum-topic-list-wrapper,
.forum-post,
.forum-comments,
.forum-reply-box,
.forum-widget {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.forum-board-card {
  padding: 14px;
  position: relative;
  overflow: hidden;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.forum-board-card:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.35);
  box-shadow: 0 12px 28px rgba(20, 30, 55, 0.13);
}

.forum-board-card.has-cover {
  color: #fff;
  background: #0f172a;
}

.forum-board-card.has-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--board-cover);
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
}

.forum-board-card.has-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.22), rgba(15, 23, 42, 0.72));
}

.forum-board-card.has-cover > * {
  position: relative;
  z-index: 1;
}

.forum-board-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 8px;
}

.forum-board-chip {
  display: inline-block;
  border-radius: 999px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--primary);
  background: rgba(59, 130, 246, 0.12);
}

.forum-board-card.has-cover .forum-board-chip {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

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

.forum-board-card.has-cover .forum-board-count,
.forum-board-card.has-cover p {
  color: rgba(255, 255, 255, 0.86);
}

.forum-board-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.forum-board-card p {
  margin: 0;
  color: var(--muted);
}

.forum-topic-list-wrapper {
  padding: 4px 0;
  min-width: 0;
  overflow: hidden;
}

.forum-section-head {
  padding: 10px 16px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.forum-block-title {
  margin: 0;
  font-size: 18px;
}

.forum-list-tabs {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.forum-list-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 28px;
  border-radius: 6px;
  border: 1px solid transparent;
  color: #4e6489;
  padding: 0 10px;
  font-size: 13px;
}

.forum-list-tab:hover {
  border-color: #d4e2fb;
  background: #f3f7ff;
  color: #2f4f86;
}

.forum-list-tab.is-active {
  border-color: #d2dff7;
  background: #f5f8ff;
  color: #1f3f77;
  font-weight: 600;
}

.forum-topic-list,
.forum-mini-list,
.forum-comment-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.forum-topic-list {
  padding: 0;
  display: grid;
  gap: 0;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  min-width: 0;
  overflow: hidden;
}

.forum-topic-item {
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: #fff;
  position: relative;
  overflow: hidden;
  transition: background 0.2s ease, transform 0.18s ease, box-shadow 0.18s ease;
}

.forum-topic-item::before {
  content: none;
}

.forum-topic-item:hover {
  background: #f9fbff;
  box-shadow: inset 3px 0 0 rgba(59, 130, 246, 0.45);
}

.forum-topic-item:last-child {
  margin-bottom: 0;
}

.forum-topic-layout {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr) minmax(0, 168px);
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  min-width: 0;
  box-sizing: border-box;
}

.forum-topic-author-col {
  display: flex;
  justify-content: center;
}

.forum-topic-main {
  min-width: 0;
}

.forum-topic-title-row {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.forum-topic-title {
  display: inline;
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 0;
  color: var(--text);
  line-height: 1.2;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forum-topic-kind {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  height: 18px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  border: 1px solid #d9e6ff;
  background: #f2f7ff;
  color: #2f5ea8;
}

.forum-topic-kind-qa {
  border-color: #c8defc;
  background: #ecf4ff;
  color: #2d66b3;
}

.forum-topic-kind-notice {
  border-color: #f7d0cf;
  background: #fff1f1;
  color: #b34845;
}

.forum-topic-kind-blog {
  border-color: #d7e9d2;
  background: #f2f9ef;
  color: #3e7a37;
}

.forum-topic-kind-plugin {
  border-color: #ead8ff;
  background: #f6f0ff;
  color: #6940a7;
}

.forum-badge {
  display: inline-block;
  vertical-align: middle;
  border-radius: 6px;
  padding: 2px 6px;
  margin-right: 6px;
  font-size: 12px;
  font-weight: 600;
}

.forum-badge-top {
  background: #fee2e2;
  color: #b91c1c;
}

.forum-badge-rec {
  background: #fef3c7;
  color: #92400e;
}

.forum-topic-inline-board {
  color: #8b9db9;
  font-size: 12px;
  white-space: nowrap;
}

.forum-share-tools {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.forum-mini-btn {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 2px 10px;
  color: #4d5f7f;
  cursor: pointer;
  font-size: 12px;
}

.forum-mini-btn:hover {
  border-color: rgba(59, 130, 246, 0.45);
  color: var(--primary);
}

.forum-reaction-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.forum-react-btn {
  border: 1px solid var(--line);
  background: #fff;
  color: #4b5c7c;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.18s ease;
  touch-action: manipulation;
}

.forum-react-btn:hover {
  color: var(--primary);
  border-color: rgba(59, 130, 246, 0.42);
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(59, 130, 246, 0.12);
}

.forum-react-btn.is-active {
  border-color: rgba(59, 130, 246, 0.5);
  background: rgba(59, 130, 246, 0.1);
  color: #1e4ea7;
}

.forum-react-btn:active {
  transform: scale(0.97);
}

.forum-react-btn.is-pulse {
  animation: forumReactPulse 0.24s ease;
}

@keyframes forumReactPulse {
  0% {
    transform: scale(1);
  }
  60% {
    transform: scale(1.06);
  }
  100% {
    transform: scale(1);
  }
}

.forum-react-count {
  display: inline-block;
  min-width: 14px;
  text-align: center;
  margin-left: 2px;
}

.forum-topic-meta-item {
  display: inline-flex;
  align-items: center;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.forum-topic-meta-board {
  color: #325da8;
  font-weight: 600;
}

.forum-topic-author {
  display: inline-flex;
  align-items: center;
  min-width: 28px;
}

.forum-author {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.forum-author-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--line);
}

.forum-topic-author .forum-author-avatar {
  width: 26px;
  height: 26px;
  border: 2px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 2px 8px rgba(59, 130, 246, 0.2);
}

.forum-author-avatar-fallback {
  background: rgba(59, 130, 246, 0.14);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
}

.forum-author-name {
  max-width: 120px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.forum-topic-excerpt {
  margin: 4px 0 0;
  color: #66748e;
  max-height: 22px;
  overflow: hidden;
  font-size: 12px;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.forum-topic-stats {
  min-width: 0;
  max-width: 100%;
  text-align: right;
  color: #6f7f99;
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: nowrap;
  gap: 6px;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
}

.forum-topic-stat {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
}

.forum-topic-stat strong {
  color: var(--text);
  font-size: 13px;
  line-height: 1;
  font-weight: 700;
}

.forum-topic-stat em {
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
}

.forum-topic-last {
  font-size: 10px;
  color: #99a6bd;
  display: inline-flex;
  align-items: center;
  flex-shrink: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

[data-theme="dark"] .forum-topic-item {
  background: #10192c;
  border-bottom-color: #203455;
}

[data-theme="dark"] .forum-topic-item:hover {
  background: #12213a;
  box-shadow: inset 3px 0 0 rgba(96, 165, 250, 0.5);
}

[data-theme="dark"] .forum-topic-meta-item {
  color: #bdd0f5;
}

[data-theme="dark"] .forum-topic-inline-board {
  color: #90a8cf;
}

[data-theme="dark"] .forum-topic-kind {
  border-color: #34507e;
  background: #1a2b4a;
  color: #cfe1ff;
}

[data-theme="dark"] .forum-topic-excerpt {
  color: #a9bbdd;
}

[data-theme="dark"] .forum-topic-last {
  color: #8ea4cb;
}

[data-theme="dark"] .forum-channel-item {
  background: #14223b;
  border-color: #2c4269;
  color: #c8d9f6;
}

[data-theme="dark"] .forum-channel-item em {
  color: #93aad2;
}

[data-theme="dark"] .forum-list-tab {
  color: #a9c0e8;
}

[data-theme="dark"] .forum-list-tab:hover {
  border-color: #365483;
  background: #1a2a45;
  color: #d7e5ff;
}

[data-theme="dark"] .forum-list-tab.is-active {
  border-color: #4c6ea6;
  background: #21345a;
  color: #e3edff;
}

[data-theme="dark"] .forum-board-mini-card {
  background: linear-gradient(180deg, #15233d, #122035);
  border-color: #284168;
  color: #d9e7ff;
}

.forum-pagination {
  padding: 14px 16px 10px;
}

.forum-pagination a,
.forum-pagination span {
  display: inline-block;
  border: 1px solid var(--line);
  padding: 6px 10px;
  border-radius: 8px;
  margin-right: 6px;
  margin-bottom: 6px;
  background: #fff;
}

.forum-pagination .page_now {
  color: #fff;
  background: var(--primary);
  border-color: var(--primary);
}

.forum-sidebar {
  display: grid;
  align-content: start;
  gap: 12px;
}

.forum-widget {
  padding: 14px;
}

.forum-widget-title {
  margin: 0 0 8px;
  font-size: 16px;
}

.forum-mini-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 0;
  border-bottom: 1px dashed var(--line);
}

.forum-mini-list li:last-child {
  border-bottom: 0;
}

.forum-mini-list span {
  color: var(--muted);
  font-size: 13px;
}

.forum-post {
  padding: 16px;
}

.forum-post-title {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.35;
}

.forum-post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.forum-post-tags {
  margin-top: 14px;
  color: var(--muted);
}

.forum-emoji-panel {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.forum-emoji-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  padding: 3px 8px;
  cursor: pointer;
}

.forum-comments {
  padding: 14px 16px;
}

.forum-comment-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.forum-comment-tools {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.forum-comment-tools input {
  width: 88px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 4px 8px;
}

.forum-op-badge {
  display: inline-block;
  margin-left: 6px;
  border-radius: 999px;
  padding: 1px 8px;
  font-size: 12px;
  background: rgba(59, 130, 246, 0.14);
  color: var(--primary);
}

.forum-comment-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.forum-comment-item:last-child {
  border-bottom: 0;
}

.forum-comment-meta {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  margin-bottom: 6px;
}

.forum-reply-trigger {
  margin-left: auto;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 8px;
  padding: 2px 8px;
  font-size: 12px;
  cursor: pointer;
}

.forum-reply-trigger:hover {
  color: var(--primary);
  border-color: var(--primary);
}

.forum-comment-content p {
  margin: 0.4em 0;
}

.forum-comment-content {
  color: #2d3a52;
  line-height: 1.8;
  min-height: 20px;
}

.forum-comment-reactions {
  margin-top: 10px;
}

[data-theme="dark"] .forum-comment-content {
  color: #c8d6f0;
}

.forum-reply-box {
  padding: 14px 16px;
}

.forum-reply-target {
  margin: 0 0 8px;
  color: var(--muted);
}

.forum-login-reply-tip {
  margin: 0 0 10px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: rgba(59, 130, 246, 0.08);
  color: #2f4b77;
}

.forum-login-user {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.forum-login-user-avatar {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  object-fit: cover;
  border: 1px solid var(--line);
}

[data-theme="dark"] .forum-login-reply-tip {
  background: rgba(59, 130, 246, 0.16);
  color: #d5e4ff;
}

.forum-auth-wrap {
  min-height: calc(100vh - 220px);
  display: grid;
  place-items: center;
  padding: 10px 0 16px;
}

.forum-auth-card {
  width: min(520px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 18px 42px rgba(17, 29, 58, 0.14);
  padding: 26px 22px;
  position: relative;
  overflow: hidden;
}

.forum-auth-card::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  right: -110px;
  top: -130px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.22), rgba(59, 130, 246, 0));
  pointer-events: none;
}

.forum-auth-title {
  margin: 0;
  font-size: 28px;
}

.forum-auth-subtitle {
  margin: 8px 0 18px;
  color: var(--muted);
}

.forum-auth-form {
  display: grid !important;
  grid-template-columns: 1fr !important;
  gap: 10px;
}

.forum-auth-label {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.forum-auth-input {
  display: block !important;
  width: 100% !important;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 11px 12px;
  font: inherit;
  background: #fff;
  outline: none;
}

.forum-auth-input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.forum-auth-check {
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.forum-auth-submit {
  margin-top: 6px;
  height: 42px;
  border-radius: 12px;
}

.forum-auth-actions {
  margin-top: 14px;
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.forum-auth-actions a {
  color: #3a5f9b;
}

.forum-center-wrap {
  display: grid;
  gap: 12px;
}

.forum-center-hero {
  background: linear-gradient(135deg, #0f172a, #1d4ed8);
  border-radius: 16px;
  padding: 16px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.forum-center-profile {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.forum-center-profile h1 {
  margin: 0;
  font-size: 22px;
}

.forum-center-profile p {
  margin: 2px 0 0;
  color: rgba(255, 255, 255, 0.78);
}

.forum-center-avatar {
  width: 58px;
  height: 58px;
  border-radius: 999px;
  object-fit: cover;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.forum-center-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.forum-center-stat {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 12px;
  box-shadow: var(--shadow);
  display: grid;
  justify-items: start;
  gap: 3px;
  transition: transform 0.2s ease;
}

.forum-center-stat:hover {
  transform: translateY(-2px);
}

.forum-center-stat span {
  font-size: 18px;
}

.forum-center-stat strong {
  font-size: 22px;
  line-height: 1.1;
}

.forum-center-stat em {
  font-style: normal;
  color: var(--muted);
}

.forum-center-stat-badge strong {
  font-size: 17px;
}

.forum-center-stat-badge-lv1 strong { color: #31598f; }
.forum-center-stat-badge-lv2 strong { color: #8b5a2b; }
.forum-center-stat-badge-lv3 strong { color: #5f6f8b; }
.forum-center-stat-badge-lv4 strong { color: #9b7806; }
.forum-center-stat-badge-lv5 strong { color: #2a8a86; }
.forum-center-stat-badge-lv6 strong { color: #3f63a8; }
.forum-center-stat-badge-lv7 strong { color: #6b4cc3; }
.forum-center-stat-badge-lv8 strong { color: #b45309; }

.forum-center-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.forum-profile-panel {
  max-width: 760px;
}

.forum-center-links a {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 12px;
  background: #f4f8ff;
}

.forum-center-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.forum-center-panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 12px;
}

.forum-center-panel h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.forum-center-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 6px;
}

.forum-center-panel li {
  border-bottom: 1px dashed var(--line);
  padding-bottom: 6px;
}

.forum-center-panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.forum-form-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 8px;
}

.forum-btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}

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

.forum-btn-primary:hover {
  background: var(--primary-hover);
}

.forum-toast-root {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 95;
  display: grid;
  gap: 10px;
  width: min(380px, calc(100vw - 24px));
  pointer-events: none;
}

.forum-toast {
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 4px solid var(--primary);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 10px 12px 10px 12px;
  pointer-events: auto;
  animation: forumToastIn 0.2s ease-out;
}

.forum-toast.pass {
  border-left-color: #16a34a;
}

.forum-toast.reject {
  border-left-color: #dc2626;
}

.forum-toast-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.forum-toast-title {
  font-weight: 700;
  font-size: 14px;
}

.forum-toast-close {
  border: 0;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
}

.forum-toast ul {
  margin: 6px 0 0;
  padding-left: 18px;
  color: var(--muted);
}

body.forum-share-open {
  overflow: hidden;
}

.forum-share-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.forum-share-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.forum-share-mask {
  position: absolute;
  inset: 0;
  background: rgba(16, 24, 40, 0.45);
  backdrop-filter: blur(2px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.forum-share-modal.is-open .forum-share-mask {
  opacity: 1;
}

.forum-share-panel {
  position: absolute;
  top: 50%;
  left: 50%;
  width: min(92vw, 360px);
  transform: translate(-50%, -46%);
  border-radius: 16px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 20px 50px rgba(15, 23, 42, 0.28);
  padding: 18px 16px 16px;
  text-align: center;
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
}

.forum-share-modal.is-open .forum-share-panel {
  transform: translate(-50%, -50%);
  opacity: 1;
}

.forum-share-panel.is-nudge {
  animation: forumShareNudge 0.16s ease;
}

@keyframes forumShareNudge {
  0% {
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    transform: translate(-50%, -49%) scale(0.985);
  }
  100% {
    transform: translate(-50%, -50%) scale(1);
  }
}

.forum-share-close {
  position: absolute;
  right: 10px;
  top: 8px;
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}

.forum-share-panel h3 {
  margin: 2px 0 4px;
}

.forum-share-subtitle {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.forum-share-channels {
  margin-top: 12px;
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f6f9ff;
  padding: 3px;
  gap: 3px;
}

.forum-share-channel {
  border: 0;
  border-radius: 999px;
  padding: 4px 12px;
  background: transparent;
  color: #5f7296;
  cursor: pointer;
  font-size: 12px;
  transition: all 0.16s ease;
  touch-action: manipulation;
}

.forum-share-channel.is-active {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 2px 8px rgba(22, 54, 116, 0.14);
}

.forum-share-channel:active {
  transform: scale(0.97);
}

.forum-share-qr-wrap {
  margin: 12px auto 10px;
  padding: 10px;
  border-radius: 12px;
  background: #fff;
  width: 220px;
  max-width: 100%;
  border: 1px solid #e8eef9;
}

.forum-share-qr {
  width: 100%;
  height: auto;
  display: block;
}

.forum-share-qr-tip {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.forum-share-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.forum-share-actions .forum-mini-btn {
  transition: all 0.16s ease;
  touch-action: manipulation;
}

.forum-share-actions .forum-mini-btn:active {
  transform: scale(0.98);
  border-color: rgba(59, 130, 246, 0.5);
}

@keyframes forumToastIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.forum-user-card {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  z-index: 90;
  width: 260px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--shadow);
  padding: 12px;
  backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  transition: opacity 0.18s ease, transform 0.18s ease;
  pointer-events: none;
}

.forum-user-menu:hover .forum-user-card,
.forum-user-menu:focus-within .forum-user-card {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  pointer-events: auto;
}

.forum-user-card-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

.forum-user-card-avatar {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  object-fit: cover;
  background: var(--line);
}

.forum-user-card-head p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.forum-user-card-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.forum-user-stat {
  display: grid;
  justify-items: center;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 6px 4px;
  background: linear-gradient(180deg, #ffffff, #f7faff);
}

.forum-user-stat small {
  font-size: 11px;
  color: var(--muted);
}

.forum-stat-ico {
  font-style: normal;
  opacity: 0.9;
  font-size: 14px;
}

#forum-user-level {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 22px;
  border-radius: 999px;
  padding: 2px 8px;
  color: #1d3f7b;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2px;
  background: linear-gradient(135deg, #e7f0ff, #f2f7ff);
  border: 1px solid #c8dafb;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.85);
  white-space: nowrap;
}

.forum-user-card-actions {
  margin-top: 8px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.forum-user-card-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 8px;
  color: #3a5788;
  background: #f4f8ff;
  transition: all 0.2s ease;
  font-size: 12px;
}

.forum-user-card-link:hover {
  color: var(--primary);
  border-color: rgba(59, 130, 246, 0.35);
  transform: translateY(-1px);
}

[data-theme="dark"] .forum-search-field {
  background: #0f1728;
  border-color: #2a3c63;
}

[data-theme="dark"] .forum-search-icon {
  color: #9fb3d9;
}

[data-theme="dark"] .forum-user-stat {
  background: linear-gradient(180deg, #182640, #122035);
  border-color: #2a3d66;
}

[data-theme="dark"] #forum-user-level {
  background: linear-gradient(135deg, #1b2b49, #243a5f);
  border-color: #355388;
  color: #d6e4ff;
}

[data-theme="dark"] .forum-user-card-link {
  background: #172640;
  border-color: #2c406a;
  color: #c7d8f7;
}

[data-theme="dark"] .forum-mini-btn {
  background: #15233d;
  border-color: #2b3f66;
  color: #c8d9f6;
}

[data-theme="dark"] .forum-react-btn {
  background: #15233d;
  border-color: #2b3f66;
  color: #c8d9f6;
}

[data-theme="dark"] .forum-react-btn.is-active {
  background: rgba(59, 130, 246, 0.24);
  border-color: #4a76c7;
  color: #d9e8ff;
}

[data-theme="dark"] .forum-share-panel {
  background: #101a2d;
  border-color: #2a3e67;
}

[data-theme="dark"] .forum-share-qr-wrap {
  background: #0e1727;
  border-color: #233b65;
}

[data-theme="dark"] .forum-share-channels {
  background: #0f1b31;
  border-color: #294065;
}

[data-theme="dark"] .forum-share-channel {
  color: #a9c0e8;
}

[data-theme="dark"] .forum-share-channel.is-active {
  background: #1a2b4a;
  color: #d9e8ff;
}

[data-theme="dark"] .forum-auth-card {
  background: #111a2e;
  border-color: #2a3e67;
}

[data-theme="dark"] .forum-auth-input {
  background: #101a2d;
  border-color: #2a3e67;
  color: #dce8ff;
}

@media (prefers-reduced-motion: reduce) {
  .forum-share-modal,
  .forum-share-mask,
  .forum-share-panel,
  .forum-react-btn,
  .forum-share-channel,
  .forum-share-actions .forum-mini-btn,
  .forum-board-mini-card,
  .forum-topic-item {
    transition: none !important;
  }

  .forum-board-mini-card:hover {
    transform: none !important;
  }

  .forum-react-btn.is-pulse,
  .forum-share-panel.is-nudge {
    animation: none !important;
  }
}

.forum-footer {
  border-top: 1px solid var(--line);
  margin-top: 16px;
  padding: 16px 0 28px;
  color: var(--muted);
}

.forum-neighbor-box {
  overflow: hidden;
}

.forum-neighbor-body {
  padding: 12px 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.forum-neighbor-body a {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 12px;
  background: linear-gradient(180deg, #fff, #f6f9ff);
  color: #35507a;
  transition: all 0.2s ease;
}

.forum-neighbor-body a:hover {
  transform: translateY(-2px);
  border-color: rgba(59, 130, 246, 0.38);
  color: var(--primary);
  box-shadow: 0 8px 18px rgba(59, 130, 246, 0.16);
}

[data-theme="dark"] .forum-neighbor-body a {
  background: linear-gradient(180deg, #13203b, #10192c);
  color: #c9d8f6;
  border-color: #2a3b60;
}

.forum-backtop {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 42px;
  height: 42px;
  border: 0;
  border-radius: 999px;
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow);
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all 0.2s ease;
}

.forum-backtop.is-show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.forum-separator {
  margin: 0 8px;
}

.forum-empty {
  margin: 0;
  padding: 18px 16px;
  color: var(--muted);
}

.forum-standalone {
  min-height: 100vh;
  display: grid;
  place-items: center;
}

.forum-error-page {
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

@media (max-width: 1000px) {
  .forum-main {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .forum-header-inner {
    flex-wrap: wrap;
    padding: 8px 0;
  }

  .forum-nav-toggle {
    display: block;
  }

  .forum-nav {
    width: 100%;
    display: none;
    margin-left: 0;
    padding-bottom: 8px;
  }

  .forum-theme-toggle {
    margin-left: 0;
  }

  .forum-nav.is-open {
    display: flex;
  }

  .forum-user-name {
    max-width: 68px;
  }

  .forum-user-menu .forum-user-card {
    right: auto;
    left: 0;
    width: min(260px, calc(100vw - 24px));
  }

  .forum-topic-layout {
    grid-template-columns: 36px minmax(0, 1fr);
    gap: 8px;
  }

  .forum-topic-stats {
    min-width: 0;
    max-width: 100%;
    text-align: left;
    grid-column: 1 / -1;
    justify-content: flex-start;
    gap: 12px;
    padding-left: 2px;
    overflow: visible;
  }

  .forum-topic-title {
    font-size: 14px;
  }

  .forum-topic-kind {
    height: 20px;
    padding: 0 6px;
    font-size: 11px;
  }

  .forum-form-grid {
    grid-template-columns: 1fr;
  }

  .forum-search {
    flex-direction: column;
  }

  .forum-board-mini-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .forum-section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .forum-list-tabs {
    width: 100%;
    flex-wrap: wrap;
  }

  .forum-post-title {
    font-size: 22px;
  }

  .forum-comment-meta {
    flex-wrap: wrap;
  }

  .forum-center-grid {
    grid-template-columns: 1fr;
  }

  .forum-share-panel {
    width: min(94vw, 360px);
    padding: 16px 14px 14px;
  }

  .forum-share-channels {
    width: 100%;
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-radius: 12px;
  }

  .forum-share-channel {
    min-height: 36px;
    font-size: 13px;
  }

  .forum-share-qr-wrap {
    width: 190px;
  }

  .forum-share-actions {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .forum-share-actions .forum-mini-btn {
    width: 100%;
    min-height: 40px;
    font-size: 14px;
  }
}