:root {
  color-scheme: light;
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-soft: #eef2f7;
  --text: #17202a;
  --muted: #667085;
  --line: #d8dee8;
  --primary: #2563eb;
  --primary-hover: #1d4ed8;
  --primary-border: #1746a2;
  --control-bg: #f8fbff;
  --control-border: #9fb3d1;
  --success: #0f8a5f;
  --danger: #b42318;
  --danger-border: #7a1a12;
  --warning: #b7791f;
  --shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
}

button,
a,
input,
textarea,
select {
  outline-color: var(--primary);
}

:focus-visible {
  outline: 3px solid rgba(37, 99, 235, 0.35);
  outline-offset: 2px;
}

.site-header,
.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 64px;
  padding: 0 32px;
  border-bottom: 1px solid var(--line);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
}

.admin-header {
  background: #111827;
  color: #ffffff;
}

.brand {
  font-weight: 800;
  letter-spacing: 0;
}

.nav-disclosure {
  display: contents;
}

.nav-disclosure summary {
  display: contents;
  list-style: none;
  cursor: pointer;
}

.nav-disclosure summary::-webkit-details-marker {
  display: none;
}

.nav-toggle {
  display: none;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.admin-header .site-nav {
  color: #d1d5db;
}

.nav-form {
  margin: 0;
}

.nav-form button {
  min-height: 30px;
  border: 1px solid var(--control-border);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--control-bg);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
}

.admin-header .nav-form button {
  border-color: rgba(255, 255, 255, 0.42);
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.site-main {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.site-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 18px;
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.site-footer a {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 22px;
  color: var(--muted);
}

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

.beian-icon {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
  object-fit: contain;
}

.admin-main {
  padding-bottom: 72px;
}

.hero {
  padding: 76px 0 56px;
}

.home-hero {
  border-bottom: 1px solid var(--line);
}

.hero-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 320px);
  gap: 32px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.hero-panel {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.hero-panel span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.hero-panel strong {
  font-size: 34px;
  line-height: 1;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: 48px;
  line-height: 1.1;
}

.hero p {
  max-width: 640px;
  color: var(--muted);
  font-size: 18px;
}

.hero-actions,
.form-actions,
.admin-actions,
.inline-form {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.button,
.button-danger,
.button-link,
.form-panel button,
.search-bar button,
.inline-form button,
.danger-button,
.preview-toolbar button,
.upload-row button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--primary-border);
  border-radius: 6px;
  padding: 0 14px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.12);
}

.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 38px;
  border: 1px solid var(--control-border);
  border-radius: 6px;
  padding: 0 14px;
  background: var(--control-bg);
  color: var(--text);
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 1px 0 rgba(15, 23, 42, 0.08);
}

.button-danger {
  border-color: var(--danger-border);
  background: var(--danger);
  color: #ffffff;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.button-link:hover,
.button:hover,
.form-panel button:hover,
.search-bar button:hover,
.inline-form button:hover {
  border-color: var(--primary-border);
  background: var(--primary-hover);
  color: #ffffff;
}

.button-secondary:hover,
.text-action:hover,
.nav-form button:hover {
  border-color: var(--primary);
  background: #eaf1ff;
  color: var(--primary);
}

.text-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  width: fit-content;
  border: 1px solid var(--control-border);
  border-radius: 6px;
  padding: 0 10px;
  background: var(--control-bg);
  color: var(--primary);
  font-weight: 800;
}

.danger-button {
  border-color: var(--danger-border);
  background: var(--danger);
}

.danger-button:hover,
.button-danger:hover {
  border-color: var(--danger-border);
  background: #8f1d14;
  color: #ffffff;
}

.danger-button.large {
  min-height: 42px;
  padding: 0 16px;
}

.inline-form button:disabled,
.inline-form select:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.page-heading {
  padding: 48px 0 24px;
}

.page-heading h1,
.article-detail h1,
.app-detail h1 {
  margin: 0;
  font-size: 36px;
  line-height: 1.2;
}

.page-heading p,
.admin-heading p {
  margin: 8px 0 0;
  color: var(--muted);
}

.meta {
  color: var(--muted);
  font-size: 14px;
}

.section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.section-title h2 {
  margin: 0;
  font-size: 22px;
}

.home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 32px;
  padding: 34px 0 72px;
}

.compact-list,
.article-list,
.app-list,
.message-list,
.admin-list {
  display: grid;
  gap: 14px;
}

.app-list {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.compact-item,
.article-item,
.app-item,
.message-item,
.reply-box,
.metric,
.admin-list li,
.preview-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.compact-item,
.article-item,
.app-item,
.message-item {
  padding: 18px;
}

.content-card {
  transition: border-color 0.16s ease, box-shadow 0.16s ease, transform 0.16s ease;
}

.content-card:hover {
  border-color: rgba(37, 99, 235, 0.45);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.compact-item h3,
.article-item h2,
.app-item h2,
.message-item h2 {
  margin: 0 0 8px;
  font-size: 20px;
  line-height: 1.3;
}

.compact-item p,
.article-item p,
.app-item p,
.message-item p {
  margin: 0 0 10px;
  color: var(--muted);
}

.compact-item span,
.article-item span,
.app-item span,
.message-item span,
.article-detail header p,
.app-detail header p,
.empty,
.form-note,
.admin-list small {
  color: var(--muted);
}

.app-compact,
.app-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.app-icon {
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-soft);
  object-fit: cover;
}

.app-icon.large {
  width: 76px;
  height: 76px;
}

.article-list,
.app-list,
.message-list {
  padding-bottom: 56px;
}

.article-detail,
.app-detail {
  padding: 48px 0 72px;
}

.article-cover {
  width: 100%;
  max-height: 420px;
  margin-bottom: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  object-fit: cover;
}

.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.detail-tags span,
.status-pill,
.badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid #b7c9ee;
  border-radius: 999px;
  padding: 0 10px;
  background: #eaf1ff;
  color: #1d4ed8;
  font-size: 12px;
  font-weight: 800;
}

.detail-summary {
  max-width: 720px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 18px;
}

.app-detail header {
  display: flex;
  align-items: center;
  gap: 18px;
}

.public-meta,
.meta-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 24px;
}

.public-meta {
  max-width: 760px;
  margin: 24px 0;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.public-meta dt,
.meta-grid dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.public-meta dd,
.meta-grid dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
}

.screenshots {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.screenshots img {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.download-panel,
.detail-footer {
  margin-top: 28px;
}

.detail-footer {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.markdown-body {
  max-width: 760px;
  margin-top: 32px;
  font-size: 17px;
}

.markdown-body pre {
  overflow-x: auto;
  padding: 16px;
  border-radius: 6px;
  background: #111827;
  color: #f9fafb;
}

.markdown-body code {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

.markdown-body table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.markdown-body th,
.markdown-body td {
  padding: 10px 12px;
  border: 1px solid var(--line);
  vertical-align: top;
}

.markdown-body th {
  background: var(--surface-soft);
  font-weight: 800;
}

.form-panel {
  display: grid;
  gap: 16px;
  max-width: 680px;
  padding-bottom: 16px;
}

.contact-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.auth-heading,
.auth-panel,
.auth-heading + .success,
.auth-heading + .error {
  max-width: 440px;
  margin-right: auto;
  margin-left: auto;
}

.auth-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.form-panel label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.form-panel input,
.form-panel textarea,
.form-panel select,
.inline-form input,
.inline-form select,
.search-bar input,
.search-bar select {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
  background: var(--surface);
  color: var(--text);
}

.form-panel textarea {
  min-height: 140px;
  resize: vertical;
}

.search-bar {
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto auto;
  gap: 10px;
  align-items: center;
  margin: 0 0 24px;
}

.search-bar select {
  min-width: 150px;
}

.success,
.error,
.alert-success,
.alert-error {
  max-width: 680px;
  border-radius: var(--radius);
  padding: 12px 14px;
  background: var(--surface);
  font-weight: 800;
}

.success,
.alert-success {
  border: 1px solid rgba(15, 138, 95, 0.28);
  color: var(--success);
}

.error,
.alert-error {
  border: 1px solid rgba(180, 35, 24, 0.28);
  color: var(--danger);
}

.reply-box {
  margin-top: 14px;
  padding: 14px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric {
  display: grid;
  gap: 6px;
  padding: 18px;
}

a.metric:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.metric span {
  color: var(--muted);
  font-size: 14px;
}

.metric strong {
  font-size: 28px;
}

.admin-columns {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.admin-columns.two {
  grid-template-columns: minmax(0, 1.5fr) minmax(260px, 0.8fr);
}

.admin-columns h2 {
  font-size: 18px;
}

.admin-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.admin-list li {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
}

.admin-table,
.table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.admin-table th,
.admin-table td,
.table th,
.table td {
  padding: 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.admin-table th,
.table th {
  color: var(--muted);
  font-size: 14px;
}

.admin-table tbody tr:hover,
.table tbody tr:hover {
  background: #fbfcff;
}

.admin-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
}

.admin-form {
  max-width: none;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.form-grid.compact {
  align-items: end;
  max-width: 680px;
}

.form-section {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcff;
}

.form-section h2 {
  margin: 0;
  font-size: 18px;
}

.code-textarea {
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  line-height: 1.5;
}

.check-row {
  display: flex !important;
  align-items: center;
  gap: 10px !important;
  min-height: 43px;
}

.check-row input {
  width: auto;
}

.upload-row {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) auto;
  gap: 8px;
  align-items: center;
}

.upload-row button,
.preview-toolbar button {
  border-color: var(--control-border);
  background: var(--control-bg);
  color: var(--text);
}

.upload-row button:hover,
.preview-toolbar button:hover {
  border-color: var(--primary);
  background: #eaf1ff;
  color: var(--primary);
}

.preview-toolbar {
  display: flex;
  justify-content: flex-start;
}

.preview-panel {
  min-height: 80px;
  max-width: none;
  margin-top: 0;
  padding: 14px;
  border-style: dashed;
  background: #fbfcff;
}

.admin-actions.stacked {
  align-items: flex-start;
  flex-direction: column;
}

.inline-form select {
  width: 130px;
}

.detail-panel,
.stack-panel {
  display: grid;
  gap: 16px;
}

.stack-panel {
  align-content: start;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.detail-panel {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.detail-panel h2 {
  margin: 0;
  font-size: 18px;
}

.message-content {
  max-width: 760px;
  white-space: pre-wrap;
}

.hero-v2 {
  padding: 92px 0 64px;
  border-bottom: 0;
}

.hero-layout-v2 {
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 380px);
  gap: 40px;
}

.hero-panel-v2 {
  gap: 16px;
  padding: 24px;
  border-color: rgba(37, 99, 235, 0.24);
  box-shadow: var(--shadow);
}

.mini-feature {
  display: grid;
  gap: 8px;
  padding: 14px 0 0;
  border-top: 1px solid var(--line);
}

.mini-feature h2 {
  margin: 0;
  font-size: 20px;
  line-height: 1.25;
}

.mini-feature p {
  margin: 0;
  color: var(--muted);
}

.home-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

.topic-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.topic-nav a,
.inline-tags span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  padding: 0 10px;
  background: var(--control-bg);
  color: var(--text);
  font-size: 13px;
  font-weight: 700;
}

.topic-nav a:hover {
  border-color: rgba(37, 99, 235, 0.45);
  color: var(--primary);
}

.home-stats span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 14px;
}

.home-stats strong {
  color: var(--text);
}

.home-grid-v2 {
  align-items: start;
  gap: 28px;
  padding-top: 22px;
}

.page-heading-v2 {
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.page-heading-v2 h1 {
  font-size: 40px;
}

.toolbar-card {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.article-list-v2 {
  gap: 18px;
}

.article-card-v2 {
  display: grid;
  gap: 10px;
  padding: 22px;
}

.article-card-v2 p,
.compact-item p {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.article-card-v2 h2,
.app-card-v2 h2 {
  font-size: 24px;
}

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

.app-list-v2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.app-card-v2 {
  min-height: 180px;
  padding: 22px;
}

.app-icon-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 24px;
  font-weight: 800;
}

.empty-panel {
  padding: 22px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.article-detail-v2,
.app-detail-v2 {
  display: grid;
  gap: 28px;
}

.detail-hero,
.app-hero {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.article-detail-v2 .article-cover {
  margin-bottom: 20px;
}

.detail-shell {
  display: grid;
  grid-template-columns: minmax(0, 760px) minmax(240px, 1fr);
  gap: 28px;
  align-items: start;
}

.detail-shell .markdown-body {
  margin-top: 0;
}

.detail-aside {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.detail-aside span,
.contact-aside p {
  color: var(--muted);
}

.detail-aside strong {
  font-size: 24px;
  line-height: 1.1;
}

.app-hero {
  align-items: flex-start;
}

.app-hero .button-link {
  margin-top: 10px;
}

.screenshots-v2 {
  margin-top: 0;
}

.meta-grid-v2 {
  grid-template-columns: 1fr;
  gap: 12px;
}

.checksum-details {
  display: grid;
  gap: 8px;
  padding-top: 6px;
}

.checksum-details summary {
  color: var(--primary);
  font-weight: 800;
  cursor: pointer;
}

.checksum-details code {
  overflow-wrap: anywhere;
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color: var(--muted);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 680px) minmax(240px, 1fr);
  gap: 28px;
  align-items: start;
  padding-bottom: 72px;
}

.contact-panel-v2,
.auth-panel-v2 {
  padding: 24px;
  box-shadow: var(--shadow);
}

.contact-aside {
  display: grid;
  gap: 10px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.contact-aside h2 {
  margin: 0;
  font-size: 18px;
}

.contact-aside p {
  margin: 0;
}

.auth-shell {
  max-width: 460px;
  margin: 48px auto 72px;
}

.auth-shell .page-heading {
  padding-top: 0;
}

.message-list-v2 {
  gap: 18px;
}

.message-item-v2 {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.message-item-v2 .reply-box {
  background: #fbfcff;
}

.login-prompt {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.related-section {
  margin-top: 18px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.article-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 4px;
}

.article-nav a {
  display: grid;
  gap: 6px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.article-nav span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.article-nav strong {
  line-height: 1.35;
}

.related-section .article-list {
  padding-bottom: 0;
}

.about-grid {
  display: grid;
  grid-template-columns: minmax(0, 720px) minmax(240px, 1fr);
  gap: 28px;
  align-items: start;
  padding-bottom: 72px;
}

.about-copy {
  margin-top: 0;
}

.about-panel {
  display: grid;
  gap: 12px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.about-panel h2 {
  margin: 0;
  font-size: 18px;
}

.about-panel p {
  margin: 0;
  color: var(--muted);
}

.dashboard-hero {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.metric-grid-v2 {
  margin-top: 24px;
}

.metric-grid-v2 .metric {
  min-height: 128px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.admin-columns-v2 {
  align-items: start;
}

.table-shell {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.table-shell .admin-table {
  border: 0;
  border-radius: 0;
}

.admin-table-v2 th {
  background: var(--surface-soft);
  color: var(--text);
  white-space: nowrap;
}

.admin-table-v2 td {
  min-width: 96px;
}

.admin-table-v2 td:first-child {
  min-width: 180px;
}

.detail-panel-v2 {
  margin-bottom: 24px;
  box-shadow: 0 8px 24px rgba(15, 23, 42, 0.06);
}

.admin-operation-panel {
  border-color: rgba(37, 99, 235, 0.24);
}

.admin-operation-panel .danger-button {
  width: fit-content;
}

@media (max-width: 760px) {
  .site-header,
  .admin-header {
    padding: 16px;
  }

  .nav-disclosure {
    display: block;
    width: 100%;
  }

  .nav-disclosure summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
  }

  .nav-toggle {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    border: 1px solid var(--control-border);
    border-radius: 6px;
    padding: 0 10px;
    background: var(--control-bg);
    color: var(--text);
    font-size: 13px;
    font-weight: 800;
  }

  .admin-header .nav-toggle {
    border-color: rgba(255, 255, 255, 0.42);
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
  }

  .site-nav {
    display: none;
    width: 100%;
    padding-top: 14px;
  }

  .nav-disclosure[open] .site-nav {
    display: flex;
  }

  .site-main {
    width: min(100% - 24px, 1080px);
  }

  .hero {
    padding: 48px 0;
  }

  .hero h1 {
    font-size: 36px;
  }

  .metric-grid,
  .article-nav,
  .admin-columns,
  .admin-columns.two,
  .detail-shell,
  .contact-layout,
  .about-grid,
  .hero-layout,
  .home-grid,
  .app-list,
  .form-grid,
  .public-meta,
  .meta-grid {
    grid-template-columns: 1fr;
  }

  .admin-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-table {
    display: block;
    overflow-x: auto;
  }

  .search-bar,
  .upload-row {
    grid-template-columns: 1fr;
  }

  .app-detail header,
  .app-item,
  .app-compact {
    align-items: flex-start;
  }

  .button-link,
  .form-panel button,
  .search-bar button,
  .inline-form button {
    width: 100%;
  }

  .inline-form,
  .form-actions,
  .admin-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .inline-form select,
  .inline-form input {
    width: 100%;
  }
}