/* 姜十三论坛公开页样式 — 对齐 main SPA 首页视觉（草绿产品壳） */
:root {
  color-scheme: light;
  --j13-bg: #f5f7fa;
  --j13-surface: #ffffff;
  --j13-text: #14212b;
  --j13-muted: #5a6b75;
  --j13-accent: #18a058;
  --j13-accent-ink: #138f4c;
  --j13-on-accent: #ffffff;
  --j13-soft: #edfbf3;
  --j13-border: #e8edf2;
  --j13-hover: #f0faf5;
  --j13-radius: 8px;
  --j13-font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", "Microsoft YaHei", "Noto Sans SC", "Segoe UI", system-ui, sans-serif;
  --j13-font-mono: "Cascadia Code", "Consolas", "SF Mono", ui-monospace, monospace;
  --j13-danger: #b91c1c;
  --j13-ok-bg: #ecfdf5;
  --j13-ok-fg: #065f46;
  --j13-warn-bg: #fff7ed;
  --j13-warn-fg: #9a3412;
  --j13-warn-border: #fed7aa;
  --j13-err-bg: #fef2f2;
  --j13-err-fg: #991b1b;
  --j13-err-border: #fecaca;
  --j13-pin-bg: #fef3c7;
  --j13-pin-fg: #92400e;
  --j13-feat-bg: #edfbf3;
  --j13-feat-fg: #138f4c;
  --j13-neutral-bg: #eef2f6;
  --j13-neutral-fg: #475569;
  --j13-self-bg: #edfbf3;
  --j13-self-border: #86efac;
  --j13-delta-pos: #15803d;
  --j13-delta-neg: #b91c1c;
  --j13-overlay: rgba(244, 248, 250, 0.92);
  --j13-header-shadow: 0 1px 0 var(--j13-border), 0 6px 18px rgba(11, 95, 107, 0.06);
  --j13-ease: 150ms ease;
  --j13-frame: 1400px;
  --j13-header-h: 3.5rem;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --j13-bg: #141416;
    --j13-surface: #1f1f23;
    --j13-text: #e8eef2;
    --j13-muted: #8b9aab;
    --j13-accent: #23c36b;
    --j13-accent-ink: #6ee7a0;
    --j13-on-accent: #138f4c;
    --j13-soft: rgba(35, 195, 107, 0.08);
    --j13-border: #2e2e32;
    --j13-hover: #232328;
    --j13-danger: #f87171;
    --j13-ok-bg: #064e3b;
    --j13-ok-fg: #a7f3d0;
    --j13-warn-bg: #7c2d12;
    --j13-warn-fg: #fed7aa;
    --j13-warn-border: #9a3412;
    --j13-err-bg: #7f1d1d;
    --j13-err-fg: #fecaca;
    --j13-err-border: #991b1b;
    --j13-pin-bg: #78350f;
    --j13-pin-fg: #fde68a;
    --j13-feat-bg: #138f4c;
    --j13-feat-fg: #6ee7a0;
    --j13-neutral-bg: #243040;
    --j13-neutral-fg: #cbd5e1;
    --j13-self-bg: #138f4c;
    --j13-self-border: #18a058;
    --j13-delta-pos: #4ade80;
    --j13-delta-neg: #f87171;
    --j13-overlay: rgba(12, 18, 22, 0.9);
    --j13-header-shadow: 0 1px 0 var(--j13-border), 0 8px 20px rgba(0, 0, 0, 0.4);
  }
}

html[data-theme="light"] {
  color-scheme: light;
  --j13-bg: #f5f7fa;
  --j13-surface: #ffffff;
  --j13-text: #14212b;
  --j13-muted: #5a6b75;
  --j13-accent: #18a058;
  --j13-accent-ink: #138f4c;
  --j13-on-accent: #ffffff;
  --j13-soft: #edfbf3;
  --j13-border: #e8edf2;
  --j13-hover: #f0faf5;
  --j13-danger: #b91c1c;
  --j13-ok-bg: #ecfdf5;
  --j13-ok-fg: #065f46;
  --j13-warn-bg: #fff7ed;
  --j13-warn-fg: #9a3412;
  --j13-warn-border: #fed7aa;
  --j13-err-bg: #fef2f2;
  --j13-err-fg: #991b1b;
  --j13-err-border: #fecaca;
  --j13-pin-bg: #fef3c7;
  --j13-pin-fg: #92400e;
  --j13-feat-bg: #edfbf3;
  --j13-feat-fg: #138f4c;
  --j13-neutral-bg: #eef2f6;
  --j13-neutral-fg: #475569;
  --j13-self-bg: #edfbf3;
  --j13-self-border: #86efac;
  --j13-delta-pos: #15803d;
  --j13-delta-neg: #b91c1c;
  --j13-overlay: rgba(244, 248, 250, 0.92);
  --j13-header-shadow: 0 1px 0 var(--j13-border), 0 6px 18px rgba(11, 95, 107, 0.06);
}

html[data-theme="dark"] {
  color-scheme: dark;
  --j13-bg: #141416;
  --j13-surface: #1f1f23;
  --j13-text: #e8eef2;
  --j13-muted: #8b9aab;
  --j13-accent: #23c36b;
  --j13-accent-ink: #6ee7a0;
  --j13-on-accent: #138f4c;
  --j13-soft: rgba(35, 195, 107, 0.08);
  --j13-border: #2e2e32;
  --j13-hover: #232328;
  --j13-danger: #f87171;
  --j13-ok-bg: #064e3b;
  --j13-ok-fg: #a7f3d0;
  --j13-warn-bg: #7c2d12;
  --j13-warn-fg: #fed7aa;
  --j13-warn-border: #9a3412;
  --j13-err-bg: #7f1d1d;
  --j13-err-fg: #fecaca;
  --j13-err-border: #991b1b;
  --j13-pin-bg: #78350f;
  --j13-pin-fg: #fde68a;
  --j13-feat-bg: #138f4c;
  --j13-feat-fg: #6ee7a0;
  --j13-neutral-bg: #243040;
  --j13-neutral-fg: #cbd5e1;
  --j13-self-bg: #138f4c;
  --j13-self-border: #18a058;
  --j13-delta-pos: #4ade80;
  --j13-delta-neg: #f87171;
  --j13-overlay: rgba(12, 18, 22, 0.9);
  --j13-header-shadow: 0 1px 0 var(--j13-border), 0 8px 20px rgba(0, 0, 0, 0.4);
}

* { box-sizing: border-box; }
html {
  transition: color-scheme var(--j13-ease);
}
body.j13-body {
  margin: 0;
  font-family: var(--j13-font);
  font-size: 0.9375rem;
  color: var(--j13-text);
  background: var(--j13-bg);
  line-height: 1.55;
  min-height: 100vh;
  transition: background-color var(--j13-ease), color var(--j13-ease);
}
a { color: var(--j13-accent); }
code, pre, .j13-md-editor__input {
  font-family: var(--j13-font-mono);
}

.j13-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.j13-header {
  background: var(--j13-surface);
  border-bottom: 1px solid var(--j13-border);
  box-shadow: var(--j13-header-shadow);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background-color var(--j13-ease), border-color var(--j13-ease), box-shadow var(--j13-ease);
}
.j13-header__inner {
  max-width: var(--j13-frame);
  margin: 0 auto;
  padding: 0.55rem 1.1rem;
  min-height: var(--j13-header-h);
  display: grid;
  grid-template-columns: auto minmax(12rem, 1fr) auto;
  align-items: center;
  gap: 0.85rem 1.1rem;
}
.j13-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: inherit;
  flex-shrink: 0;
}
.j13-brand:hover { color: inherit; }
.j13-brand__mark {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--j13-radius);
  background: var(--j13-accent);
  color: var(--j13-on-accent);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: -0.02em;
}
html[data-theme="dark"] .j13-brand__mark {
  color: #141416;
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) .j13-brand__mark {
    color: #141416;
  }
}
.j13-brand__logo {
  width: 2.25rem;
  height: 2.25rem;
  object-fit: contain;
  border-radius: var(--j13-radius);
}
.j13-brand__text { display: flex; flex-direction: column; gap: 0.05rem; min-width: 0; }
.j13-brand__text strong {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--j13-accent-ink);
  line-height: 1.15;
}
.j13-brand__slogan {
  font-size: 0.72rem;
  color: var(--j13-muted);
  line-height: 1.2;
  max-width: 14rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.j13-header-search { margin: 0; min-width: 0; }
.j13-header-search__label { display: block; }
.j13-header-search input {
  width: 100%;
  max-width: 28rem;
  margin: 0 auto;
  display: block;
  padding: 0.45rem 0.85rem;
  border: 1px solid var(--j13-border);
  border-radius: 999px;
  background: var(--j13-bg);
  color: var(--j13-text);
  font: inherit;
  font-size: 0.875rem;
  transition: border-color var(--j13-ease), box-shadow var(--j13-ease);
}
.j13-header-search input:focus {
  outline: none;
  border-color: var(--j13-accent);
  box-shadow: 0 0 0 3px var(--j13-soft);
}

.j13-header__actions {
  display: flex;
  gap: 0.35rem 0.55rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
}
.j13-header__textlink,
.j13-header__iconlink,
.j13-header__user {
  color: var(--j13-muted);
  text-decoration: none;
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.2rem 0.15rem;
  transition: color var(--j13-ease);
}
.j13-header__textlink:hover,
.j13-header__iconlink:hover,
.j13-header__user:hover { color: var(--j13-accent); }
.j13-btn--compose {
  white-space: nowrap;
  padding: 0.4rem 0.9rem;
  font-size: 0.8125rem;
}
.j13-theme-toggle {
  appearance: none;
  border: 1px solid var(--j13-border);
  background: transparent;
  color: var(--j13-muted);
  border-radius: var(--j13-radius);
  padding: 0.3rem 0.5rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 500;
  cursor: pointer;
  line-height: 1.3;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color var(--j13-ease), border-color var(--j13-ease), background-color var(--j13-ease);
}
.j13-theme-toggle__icon {
  flex-shrink: 0;
  opacity: 0.9;
}
.j13-theme-toggle:hover {
  color: var(--j13-accent-ink);
  border-color: var(--j13-accent);
  background: var(--j13-hover);
}

.j13-more { position: relative; }
.j13-more > summary {
  list-style: none;
  cursor: pointer;
  color: var(--j13-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.3rem 0.45rem;
  border-radius: var(--j13-radius);
  border: 1px solid transparent;
}
.j13-more > summary::-webkit-details-marker { display: none; }
.j13-more > summary:hover,
.j13-more[open] > summary {
  color: var(--j13-accent-ink);
  background: var(--j13-hover);
  border-color: var(--j13-border);
}
.j13-more__menu {
  position: absolute;
  right: 0;
  top: calc(100% + 0.35rem);
  min-width: 9.5rem;
  padding: 0.35rem;
  background: var(--j13-surface);
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  box-shadow: 0 8px 24px rgba(20, 33, 43, 0.1);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  z-index: 20;
}
.j13-more__menu a,
.j13-more__menu button {
  display: block;
  width: 100%;
  text-align: left;
  padding: 0.4rem 0.55rem;
  border: 0;
  border-radius: 6px;
  background: transparent;
  color: var(--j13-text);
  text-decoration: none;
  font: inherit;
  font-size: 0.8125rem;
  cursor: pointer;
}
.j13-more__menu a:hover,
.j13-more__menu button:hover {
  background: var(--j13-hover);
  color: var(--j13-accent-ink);
}
.j13-more__menu form { margin: 0; }

@media (max-width: 900px) {
  .j13-header__inner {
    grid-template-columns: 1fr auto;
  }
  .j13-header-search {
    grid-column: 1 / -1;
    order: 3;
  }
  .j13-header-search input { max-width: none; }
  .j13-brand__slogan { display: none; }
}

.j13-layout {
  max-width: var(--j13-frame);
  margin: 0 auto;
  padding: 1.1rem 1.1rem 2.25rem;
  display: grid;
  grid-template-columns: 200px minmax(0, 1fr) 260px;
  gap: 1.35rem;
  align-items: start;
}
@media (max-width: 900px) {
  .j13-layout { grid-template-columns: 180px minmax(0, 1fr); }
  .j13-aside--right { display: none; }
}
@media (max-width: 800px) {
  .j13-layout { grid-template-columns: 1fr; gap: 1rem; }
}

.j13-aside {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}
.j13-aside--left {
  position: sticky;
  top: calc(var(--j13-header-h) + 0.75rem);
}
.j13-aside--right {
  gap: 1.15rem;
  position: sticky;
  top: calc(var(--j13-header-h) + 0.75rem);
}
.j13-aside__section {
  margin: 0.85rem 0 0.35rem;
  padding: 0 0.55rem;
  font-size: 0.7rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--j13-muted);
}
.j13-aside__section:first-child { margin-top: 0.15rem; }
.j13-aside__link {
  padding: 0.45rem 0.6rem;
  border-radius: var(--j13-radius);
  border-left: 3px solid transparent;
  color: var(--j13-text);
  text-decoration: none;
  font-size: 0.8125rem;
  transition: background-color var(--j13-ease), color var(--j13-ease), border-color var(--j13-ease);
}
.j13-aside__link:hover {
  background: var(--j13-hover);
  color: var(--j13-accent-ink);
}
.j13-aside__link.is-active {
  background: var(--j13-soft);
  color: var(--j13-accent-ink);
  border-left-color: var(--j13-accent);
  font-weight: 650;
}

.j13-main {
  min-width: 0;
  min-height: 40vh;
  background: var(--j13-surface);
  border: 1px solid var(--j13-border);
  border-radius: calc(var(--j13-radius) + 2px);
  padding: 1.05rem 1.2rem 1.4rem;
}

.j13-feed__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem 1rem;
  margin-bottom: 0.65rem;
}
.j13-feed__title {
  margin: 0;
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  color: var(--j13-accent-ink);
}
.j13-sort {
  display: inline-flex;
  gap: 0;
  font-size: 0.8125rem;
  padding: 0.15rem;
  border: 1px solid var(--j13-border);
  border-radius: 999px;
  background: var(--j13-bg);
}
.j13-sort a {
  color: var(--j13-muted);
  text-decoration: none;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  transition: background-color var(--j13-ease), color var(--j13-ease);
}
.j13-sort a.is-active {
  color: var(--j13-on-accent);
  font-weight: 650;
  background: var(--j13-accent);
}
.j13-sort a:hover:not(.is-active) {
  color: var(--j13-accent-ink);
  background: var(--j13-hover);
}

.j13-search-advanced {
  margin: 0 0 0.75rem;
  scroll-margin-top: 4.5rem;
}
.j13-search-advanced__summary {
  list-style: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--j13-muted);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: 0.25rem 0;
  user-select: none;
}
.j13-search-advanced__summary::-webkit-details-marker { display: none; }
.j13-search-advanced__summary::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(-45deg);
  transition: transform var(--j13-ease);
}
.j13-search-advanced[open] > .j13-search-advanced__summary::before {
  transform: rotate(45deg);
}
.j13-search-advanced__summary:hover { color: var(--j13-accent); }
.j13-search-advanced .j13-search { margin-top: 0.45rem; }

.j13-search {
  margin: 0 0 0.85rem;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
}
.j13-search--toolbar .j13-search__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  align-items: flex-end;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
}
.j13-search__field {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  min-width: 7rem;
  flex: 1 1 7rem;
}
.j13-search__label {
  font-size: 0.7rem;
  color: var(--j13-muted);
  font-weight: 500;
}
.j13-search__field input {
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--j13-border);
  border-radius: 6px;
  background: var(--j13-surface);
  color: inherit;
  font: inherit;
  font-size: 0.875rem;
}
.j13-search__check {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  padding-bottom: 0.3rem;
  white-space: nowrap;
  color: var(--j13-muted);
}
.j13-search__err {
  margin: 0.5rem 0 0;
  color: var(--j13-danger);
  font-size: 0.875rem;
}

.j13-post-list { list-style: none; margin: 0; padding: 0; }
.j13-post-item {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr) auto;
  gap: 0.75rem 0.85rem;
  padding: 1rem 0.45rem;
  margin: 0 -0.45rem;
  border-top: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  transition: background-color var(--j13-ease);
  align-items: start;
}
.j13-post-item:first-child { border-top: 0; }
.j13-post-item:hover { background: var(--j13-hover); }
.j13-post-item__avatar {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--j13-soft);
}
.j13-post-item__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.j13-post-item__mark {
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--j13-accent-ink);
  background: var(--j13-soft);
}
.j13-post-item__body { min-width: 0; }
.j13-post-item__byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 0.65rem;
  align-items: baseline;
  font-size: 0.75rem;
  color: var(--j13-muted);
  margin-bottom: 0.2rem;
}
.j13-post-item__byline a {
  color: var(--j13-accent-ink);
  text-decoration: none;
  font-weight: 600;
}
.j13-post-item__byline a:hover { color: var(--j13-accent); }
.j13-post-item__title {
  display: inline-block;
  color: var(--j13-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
  line-height: 1.35;
  transition: color var(--j13-ease);
}
.j13-post-item__title:hover { color: var(--j13-accent); }
.j13-post-item__excerpt {
  margin: 0.3rem 0 0;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--j13-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.j13-post-item__meta {
  margin-top: 0.4rem;
  font-size: 0.75rem;
  color: var(--j13-muted);
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.j13-post-item__stats {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  align-items: flex-end;
  font-size: 0.72rem;
  color: var(--j13-muted);
  font-variant-numeric: tabular-nums;
  padding-top: 0.15rem;
  white-space: nowrap;
}
.j13-post-item__stats strong {
  font-weight: 650;
  color: var(--j13-accent-ink);
}
@media (max-width: 700px) {
  .j13-post-item {
    grid-template-columns: 2.25rem minmax(0, 1fr);
  }
  .j13-post-item__stats {
    grid-column: 2;
    flex-direction: row;
    gap: 0.75rem;
    align-items: center;
    justify-content: flex-start;
  }
}

.j13-widget__title {
  margin: 0 0 0.5rem;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--j13-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.j13-widget__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.j13-widget__list a {
  color: var(--j13-text);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.35;
}
.j13-widget__list a:hover { color: var(--j13-accent); }
.j13-widget__meta {
  display: block;
  font-size: 0.75rem;
  color: var(--j13-muted);
  margin-top: 0.1rem;
}
.j13-widget__empty {
  margin: 0;
  font-size: 0.8rem;
  color: var(--j13-muted);
}
.j13-widget__tags {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.5rem;
}
.j13-widget__tags a {
  font-size: 0.8rem;
  color: var(--j13-accent);
  text-decoration: none;
}
.j13-widget__tags a:hover { text-decoration: underline; }
.j13-widget__count {
  font-size: 0.7rem;
  color: var(--j13-muted);
  margin-left: 0.15rem;
}
.j13-widget__links a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}
.j13-widget__logo {
  width: 1rem;
  height: 1rem;
  object-fit: contain;
  border-radius: 2px;
}
.j13-widget__more {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
}
.j13-widget__more a { color: var(--j13-accent); }

.j13-checkin {
  padding: 0.75rem 0.8rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-surface);
}
.j13-checkin__points {
  margin: 0 0 0.5rem;
  font-size: 0.95rem;
  font-weight: 600;
}
.j13-checkin__points a {
  color: inherit;
  text-decoration: none;
}
.j13-checkin__points a:hover { color: var(--j13-accent); }
.j13-checkin__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  align-items: center;
}
.j13-checkin__done {
  font-size: 0.8rem;
  color: var(--j13-muted);
}
.j13-checkin__more {
  margin: 0.5rem 0 0;
  font-size: 0.8rem;
}
.j13-checkin__more a { color: var(--j13-accent); }

.j13-empty { color: var(--j13-muted); }
.j13-pager {
  margin-top: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  font-size: 0.9rem;
}
.j13-pager a { color: var(--j13-accent); }

.j13-footer {
  max-width: var(--j13-frame);
  margin: 0 auto;
  padding: 1.25rem 1rem 2.25rem;
  color: var(--j13-muted);
  font-size: 0.75rem;
}
.j13-footer a {
  color: var(--j13-muted);
  text-decoration: none;
  transition: color var(--j13-ease);
}
.j13-footer a:hover { color: var(--j13-accent); }

.j13-flash, .j13-alert {
  max-width: var(--j13-frame);
  margin: 0.75rem auto;
  padding: 0.65rem 1rem;
  border-radius: var(--j13-radius);
}
.j13-flash { background: var(--j13-ok-bg); color: var(--j13-ok-fg); }
.j13-alert--error { background: var(--j13-err-bg); color: var(--j13-err-fg); }

.j13-main--solo {
  max-width: 520px;
  margin: 2rem auto;
  padding: 1.25rem 1.35rem 1.75rem;
  background: var(--j13-surface);
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
}
.j13-form label {
  display: block;
  margin-bottom: 0.85rem;
  font-size: 0.9rem;
}
.j13-form input, .j13-form textarea {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  font: inherit;
  background: var(--j13-surface);
  color: var(--j13-text);
}
.j13-form button, .j13-post__actions button, .j13-comment-form button {
  margin-top: 0.5rem;
  padding: 0.45rem 0.9rem;
  border: 0;
  border-radius: var(--j13-radius);
  background: var(--j13-accent);
  color: var(--j13-on-accent);
  cursor: pointer;
  font: inherit;
}
.j13-inline-form { display: inline; margin: 0; }
.j13-linkbtn {
  background: none;
  border: 0;
  color: var(--j13-accent);
  cursor: pointer;
  font: inherit;
  padding: 0;
  text-decoration: underline;
}
.j13-post__title {
  margin: 0 0 0.55rem;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.3;
  color: var(--j13-accent-ink);
}
.j13-post__meta, .j13-post__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.75rem;
  align-items: center;
  color: var(--j13-muted);
  font-size: 0.85rem;
  margin-bottom: 1rem;
}
.j13-post__content {
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0.15rem 0 0.5rem;
  overflow-wrap: anywhere;
  font-size: 0.975rem;
  line-height: 1.65;
}
.j13-post__content h2,
.j13-post__content h3,
.j13-post__content h4 {
  color: var(--j13-accent-ink);
  letter-spacing: -0.02em;
}
.j13-post__content pre,
.j13-post__content code {
  font-family: var(--j13-font-mono);
}
.j13-comments { margin-top: 1.75rem; padding-top: 1rem; border-top: 1px solid var(--j13-border); }
.j13-comments h2 {
  margin: 0 0 0.85rem;
  font-size: 1.05rem;
  color: var(--j13-accent-ink);
}
.j13-comment-list { list-style: none; margin: 0; padding: 0; }
.j13-comment-list--nested {
  margin: 0.45rem 0 0;
  padding: 0 0 0 0.75rem;
  border-left: 2px solid var(--j13-border);
}
.j13-comment {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--j13-border);
}
.j13-comment-list--nested > .j13-comment {
  border-bottom-color: transparent;
  padding-left: 0.55rem;
}
.j13-comment--depth-0 { }
.j13-comment--depth-1,
.j13-comment--depth-2,
.j13-comment--depth-3,
.j13-comment--depth-4,
.j13-comment--depth-5,
.j13-comment--depth-6 {
  background: transparent;
}
.j13-comment__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  color: var(--j13-muted);
  font-size: 0.75rem;
  margin-bottom: 0.3rem;
  align-items: center;
}
.j13-comment__floor {
  font-weight: 700;
  color: var(--j13-accent-ink);
  font-variant-numeric: tabular-nums;
}
.j13-comment__body {
  font-size: 0.9375rem;
  line-height: 1.6;
  overflow-wrap: anywhere;
}
.j13-comment__body pre,
.j13-comment__body code {
  font-family: var(--j13-font-mono);
}
.j13-comment__reply-to a { color: var(--j13-accent); text-decoration: none; }
.j13-comment__actions {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-top: 0.4rem;
  flex-wrap: wrap;
}
.j13-comment-reply-hint { margin: 0 0 0.5rem; }
.j13-comment-form textarea { width: 100%; }
.j13-comment-form .j13-form__row { margin-top: 0.5rem; }
@media (max-width: 600px) {
  .j13-comment-list--nested {
    padding-left: 0.55rem;
  }
  .j13-comment-list--nested > .j13-comment {
    padding-left: 0.4rem;
  }
}
.j13-muted { color: var(--j13-muted); }
.j13-install fieldset {
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  margin: 0 0 1rem;
  padding: 0.75rem 1rem 0.25rem;
}
.j13-form select {
  display: block;
  width: 100%;
  margin-top: 0.25rem;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  font: inherit;
  background: var(--j13-surface);
  color: var(--j13-text);
}
.j13-form__row {
  display: flex;
  gap: 0.5rem;
  align-items: stretch;
  margin-top: 0.25rem;
}
.j13-form__row input { flex: 1; margin-top: 0; }
.j13-captcha {
  align-items: center;
}
.j13-captcha__img {
  display: inline-flex;
  flex-shrink: 0;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  overflow: hidden;
  line-height: 0;
}
.j13-captcha__img svg { display: block; }
.j13-captcha a.j13-btn-secondary {
  flex-shrink: 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.j13-btn-secondary {
  margin-top: 0 !important;
  padding: 0.45rem 0.75rem;
  border: 1px solid var(--j13-border) !important;
  border-radius: var(--j13-radius);
  background: var(--j13-surface) !important;
  color: var(--j13-text) !important;
  cursor: pointer;
  font: inherit;
  white-space: nowrap;
}
.j13-compose__tools {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin: 0.5rem 0 1rem;
}
.j13-filebtn { display: inline-block; margin: 0; cursor: pointer; }
.j13-compose { max-width: 720px; margin: 0 auto; padding: 1rem; }

.j13-md-editor { margin: 0.35rem 0 0.75rem; }
.j13-md-editor__toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  margin-bottom: 0.45rem;
}
.j13-md-editor__btn {
  appearance: none;
  border: 1px solid var(--j13-border);
  background: var(--j13-surface, #fff);
  color: inherit;
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  font: inherit;
  font-size: 0.8rem;
  line-height: 1.3;
  cursor: pointer;
}
.j13-md-editor__btn:hover { border-color: var(--j13-accent, #3366cc); }
.j13-md-editor__btn.is-active {
  border-color: var(--j13-accent, #3366cc);
  color: var(--j13-accent, #3366cc);
}
.j13-md-editor__filebtn { margin: 0; cursor: pointer; }
.j13-md-editor__sep {
  width: 1px;
  height: 1.1rem;
  background: var(--j13-border);
  margin: 0 0.15rem;
}
.j13-md-editor__input {
  width: 100%;
  min-height: 8rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  line-height: 1.5;
}
.j13-md-editor__preview {
  min-height: 8rem;
  padding: 0.75rem 0.85rem;
  border: 1px solid var(--j13-border);
  border-radius: 4px;
  background: var(--j13-surface, #fff);
}
.j13-md-editor__status { min-height: 1.2em; margin: 0.35rem 0 0; }

.j13-poll-fields {
  margin: 0.75rem 0 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
}
.j13-poll-fields legend { padding: 0 0.35rem; font-weight: 600; }
.j13-bounty-fields {
  margin: 0.75rem 0 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
}
.j13-bounty-fields legend { padding: 0 0.35rem; font-weight: 600; }
.j13-bounty {
  margin: 1rem 0 1.25rem;
  padding: 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-surface, #fff);
}
.j13-bounty__title { margin: 0 0 0.35rem; font-size: 1.1rem; }
.j13-lottery-fields {
  margin: 0.75rem 0 1rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
}
.j13-lottery-fields legend { padding: 0 0.35rem; font-weight: 600; }
.j13-lottery {
  margin: 1rem 0 1.25rem;
  padding: 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-surface, #fff);
}
.j13-lottery__title { margin: 0 0 0.35rem; font-size: 1.1rem; }
.j13-lottery__winners {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
}
.j13-lottery__winners li { margin: 0.35rem 0; }
.j13-poll {
  margin: 1rem 0 1.25rem;
  padding: 1rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-surface, #fff);
}
.j13-poll__title { margin: 0 0 0.35rem; font-size: 1.1rem; }
.j13-poll__options { list-style: none; margin: 0.75rem 0; padding: 0; }
.j13-poll__options li { margin: 0.45rem 0; }
.j13-poll__option {
  display: grid;
  gap: 0.25rem;
  padding: 0.35rem 0;
}
.j13-poll__option.is-selected .j13-poll__opt-text { font-weight: 600; color: var(--j13-accent); }
.j13-poll__bar {
  display: block;
  height: 0.4rem;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--j13-accent), var(--j13-accent)) no-repeat;
  background-size: var(--pct, 0%) 100%;
  background-color: var(--j13-border);
}
.j13-post__content img { max-width: 100%; height: auto; border-radius: 4px; }

.j13-admin { max-width: 880px; margin: 0 auto; padding: 1rem 1rem 2.5rem; }
.j13-admin h1 { margin: 0 0 0.75rem; font-size: 1.4rem; }
.j13-admin h2 { margin: 1.75rem 0 0.75rem; font-size: 1.1rem; }
.j13-admin-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--j13-border);
  font-size: 0.9rem;
}
.j13-admin-nav a { color: var(--j13-muted); text-decoration: none; }
.j13-admin-nav a:hover,
.j13-admin-nav a.is-active { color: var(--j13-accent); font-weight: 600; }
.j13-admin-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.j13-admin-stats li {
  min-width: 5.5rem;
  padding: 0.75rem 1rem;
  background: var(--j13-surface);
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.j13-admin-stats strong { font-size: 1.35rem; }
.j13-admin-stats span { font-size: 0.8rem; color: var(--j13-muted); }
.j13-admin-list { list-style: none; margin: 0; padding: 0; }
.j13-admin-card {
  padding: 1rem 0;
  border-bottom: 1px solid var(--j13-border);
}
.j13-admin-form { max-width: 36rem; }
.j13-admin-aside-widgets {
  list-style: none;
  margin: 0 0 0.75rem;
  padding: 0;
}
.j13-admin-aside-widgets li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--j13-border);
}
.j13-admin-aside-move {
  display: flex;
  gap: 0.5rem;
  margin-left: auto;
}
.j13-admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-end;
  margin-top: 0.5rem;
}
.j13-admin-reject {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin: 0;
}
.j13-admin-reject input { width: auto; min-width: 12rem; margin: 0; }
.j13-admin-reject button { margin: 0; }

.j13-profile { max-width: 720px; margin: 0 auto; padding: 1rem 1rem 2.5rem; }
.j13-profile h1 { margin: 0 0 0.75rem; font-size: 1.4rem; }
.j13-profile h2 { margin: 1.5rem 0 0.65rem; font-size: 1.05rem; }
.j13-profile__card {
  margin: 1rem 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--j13-border);
}
.j13-profile__wallet {
  margin: 1.25rem 0;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--j13-border);
}
.j13-profile__balance { margin: 0 0 0.85rem; }
.j13-profile__balance strong { font-size: 1.35rem; color: var(--j13-accent); }
.j13-profile__daily {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 1rem;
}
@media (max-width: 640px) {
  .j13-profile__daily { grid-template-columns: 1fr; }
}
.j13-profile__daily-card {
  padding: 0.75rem 0.85rem;
  background: var(--j13-bg);
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
}
.j13-profile__daily-card h3 {
  margin: 0 0 0.4rem;
  font-size: 0.95rem;
}
.j13-profile__daily-card p { margin: 0 0 0.65rem; font-size: 0.85rem; }
.j13-profile__ledger-title {
  margin: 0.5rem 0 0.5rem;
  font-size: 0.95rem;
}
.j13-profile__ledger {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}
.j13-profile__ledger th,
.j13-profile__ledger td {
  text-align: left;
  padding: 0.4rem 0.35rem;
  border-bottom: 1px solid var(--j13-border);
  vertical-align: top;
}
.j13-profile__ledger th { color: var(--j13-muted); font-weight: 600; }
.j13-delta--pos { color: var(--j13-delta-pos); }
.j13-delta--neg { color: var(--j13-delta-neg); }
.j13-btn {
  display: inline-block;
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--j13-accent);
  border-radius: var(--j13-radius);
  background: var(--j13-accent);
  color: var(--j13-on-accent);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color var(--j13-ease), border-color var(--j13-ease), color var(--j13-ease);
}
.j13-btn--sm {
  padding: 0.25rem 0.55rem;
  font-size: 0.8rem;
}
.j13-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}
.j13-avatar {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 50%;
  border: 1px solid var(--j13-border);
}
.j13-avatar--lg { width: 88px; height: 88px; }
.j13-avatar--placeholder {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--j13-surface);
  color: var(--j13-muted);
  font-weight: 600;
  font-size: 1.5rem;
}
.j13-user-hero {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}
.j13-user-hero h1 { margin: 0 0 0.35rem; font-size: 1.35rem; }
.j13-user-sig { margin: 0.5rem 0 0; white-space: pre-wrap; }

.j13-badge {
  display: inline-block;
  min-width: 1.1rem;
  padding: 0.05rem 0.35rem;
  border-radius: 999px;
  background: var(--j13-accent);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 600;
  line-height: 1.2;
  text-align: center;
  vertical-align: middle;
}
.j13-messages { max-width: 720px; margin: 0 auto; padding: 1rem 1rem 2.5rem; }
.j13-messages h1 { margin: 0 0 0.75rem; font-size: 1.35rem; }
.j13-msg-list { list-style: none; margin: 0; padding: 0; }
.j13-msg-item {
  border-bottom: 1px solid var(--j13-border);
}
.j13-msg-item a {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0;
  color: inherit;
  text-decoration: none;
}
.j13-msg-item.is-unread a strong { color: var(--j13-accent); }
.j13-msg-item__preview {
  color: var(--j13-muted);
  font-size: 0.9rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.j13-msg-thread { list-style: none; margin: 1rem 0; padding: 0; display: flex; flex-direction: column; gap: 0.75rem; }
.j13-msg-bubble {
  max-width: 92%;
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-surface);
  align-self: flex-start;
}
.j13-msg-bubble.is-self {
  align-self: flex-end;
  background: var(--j13-self-bg);
  border-color: var(--j13-self-border);
}
.j13-msg-bubble.is-system { max-width: 100%; }
.j13-msg-bubble__subj { font-weight: 600; margin-bottom: 0.25rem; }
.j13-msg-bubble__body { white-space: pre-wrap; overflow-wrap: anywhere; }
.j13-msg-compose { margin-top: 1.25rem; }
.j13-msg-kinds {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
}
.j13-msg-kinds a { color: var(--j13-muted); }
.j13-msg-kinds a.is-active {
  color: var(--j13-accent);
  font-weight: 600;
}

/* 内容门控锁定壳 */
members-only,
reply-only,
points-only {
  display: block;
  margin: 1rem 0;
}
.j13-gate {
  padding: 0.85rem 1rem;
  border: 1px dashed var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
}
.j13-gate__title {
  margin: 0 0 0.35rem;
  font-weight: 650;
  font-size: 0.9rem;
  color: var(--j13-accent-ink);
}
.j13-gate__meta,
.j13-gate__hint {
  margin: 0.2rem 0;
  color: var(--j13-muted);
  font-size: 0.8125rem;
}
.j13-gate a { color: var(--j13-accent); }
.j13-gate__unlock {
  margin-top: 0.45rem;
  padding: 0.4rem 0.85rem;
  border: 0;
  border-radius: var(--j13-radius);
  background: var(--j13-accent);
  color: var(--j13-on-accent);
  cursor: pointer;
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
}
.j13-gate__unlock:disabled {
  opacity: 0.65;
  cursor: wait;
}
points-only[data-locked="false"] {
  border: 0;
  padding: 0;
  margin: 0.75rem 0;
}

.j13-check {
  display: flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 0.45rem;
}
.j13-check input { width: auto; margin: 0; }
.j13-admin-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
  margin: 0.5rem 0 1rem;
}
.j13-admin-table th,
.j13-admin-table td {
  text-align: left;
  padding: 0.45rem 0.4rem;
  border-bottom: 1px solid var(--j13-border);
  vertical-align: top;
}
.j13-links { max-width: 720px; margin: 0 auto; padding: 1rem 1rem 2.5rem; }
.j13-links h1 { margin: 0 0 0.75rem; font-size: 1.4rem; }
.j13-links h2 { margin: 1.5rem 0 0.65rem; font-size: 1.05rem; }
.j13-links__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 0.75rem;
}
.j13-links__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 0.5rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
  color: inherit;
  text-decoration: none;
  text-align: center;
  font-size: 0.9rem;
}
.j13-links__item:hover { border-color: var(--j13-accent); color: var(--j13-accent); }
.j13-links__logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 6px;
  background: var(--j13-surface);
}
.j13-links__logo--sm {
  width: 24px;
  height: 24px;
  vertical-align: middle;
  margin-right: 0.25rem;
}

.j13-boards { max-width: 800px; margin: 0 auto; padding: 1rem 1rem 2.5rem; }
.j13-boards h1 { margin: 0 0 1rem; font-size: 1.4rem; }
.j13-boards__grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 0.85rem;
}
.j13-boards__card {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
  color: inherit;
  text-decoration: none;
  min-height: 5rem;
}
.j13-boards__card:hover { border-color: var(--j13-accent); }
.j13-boards__dot {
  width: 0.65rem;
  height: 0.65rem;
  border-radius: 50%;
  margin-top: 0.35rem;
  flex-shrink: 0;
  background: var(--j13-accent);
}
.j13-boards__card[data-color="0"] .j13-boards__dot { background: #0f766e; }
.j13-boards__card[data-color="1"] .j13-boards__dot { background: #b45309; }
.j13-boards__card[data-color="2"] .j13-boards__dot { background: #1d4ed8; }
.j13-boards__card[data-color="3"] .j13-boards__dot { background: #be123c; }
.j13-boards__card[data-color="4"] .j13-boards__dot { background: #7c3aed; }
.j13-boards__card[data-color="5"] .j13-boards__dot { background: #047857; }
.j13-boards__card[data-color="6"] .j13-boards__dot { background: #c2410c; }
.j13-boards__card[data-color="7"] .j13-boards__dot { background: #0369a1; }
.j13-boards__body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  min-width: 0;
}
.j13-boards__body strong { font-size: 1rem; }
.j13-boards__icon { font-size: 0.75rem; }
.j13-boards__desc {
  font-size: 0.85rem;
  color: var(--j13-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.j13-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 1rem 1rem 2.5rem;
}
.j13-page__article h1 {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}
.j13-page__body {
  line-height: 1.65;
}

.j13-report {
  display: inline-block;
  position: relative;
}
.j13-report > summary {
  cursor: pointer;
  list-style: none;
}
.j13-report > summary::-webkit-details-marker { display: none; }
.j13-report__form {
  position: absolute;
  z-index: 5;
  right: 0;
  top: 100%;
  margin-top: 0.35rem;
  min-width: 14rem;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}
.j13-report__form label {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  font-size: 0.8rem;
  color: var(--j13-muted);
}
.j13-report__form select,
.j13-report__form input {
  font: inherit;
  color: var(--j13-text);
  padding: 0.3rem 0.4rem;
  border: 1px solid var(--j13-border);
  border-radius: var(--j13-radius);
  background: var(--j13-bg);
}
.j13-admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 0 0 1rem;
  font-size: 0.9rem;
}
.j13-admin-filters a { color: var(--j13-muted); text-decoration: none; }
.j13-admin-filters a.is-active,
.j13-admin-filters a:hover { color: var(--j13-accent); font-weight: 600; }
.j13-admin-user-ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
  max-width: 28rem;
}
.j13-admin-points {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
  margin: 0;
}
.j13-admin-level {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  align-items: center;
  margin: 0;
}
.j13-admin-level select {
  min-width: 4.5rem;
}
.j13-user-badges {
  list-style: none;
  margin: 0.5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
}
.j13-user-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-size: 0.8rem;
  border: 1px solid var(--j13-border);
  border-radius: 4px;
  color: var(--j13-muted);
}
.j13-user-badge[title] { cursor: help; }
.j13-admin-badge-award-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.j13-admin-brand-assets {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(14rem, 1fr));
  gap: 1rem;
  margin: 0 0 1.5rem;
}
.j13-admin-brand-asset {
  border: 1px solid var(--j13-border);
  border-radius: 6px;
  padding: 0.75rem;
}
.j13-admin-brand-preview {
  max-width: 8rem;
  max-height: 4rem;
  object-fit: contain;
  display: block;
}
.j13-admin-brand-preview--sm {
  max-width: 2rem;
  max-height: 2rem;
}
.j13-admin-media-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  align-items: flex-end;
  margin-bottom: 0.75rem;
}
.j13-admin-media-batch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin: 0 0 0.75rem;
}
.j13-admin-media-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(11rem, 1fr));
  gap: 0.85rem;
}
.j13-admin-media-card {
  position: relative;
  border: 1px solid var(--j13-border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--j13-surface, #fff);
}
.j13-admin-media-check {
  position: absolute;
  top: 0.4rem;
  left: 0.4rem;
  z-index: 1;
  background: var(--j13-overlay);
  border-radius: 3px;
  padding: 0.1rem 0.2rem;
}
.j13-admin-media-thumb {
  display: block;
  aspect-ratio: 1;
  background: var(--j13-bg, #f5f5f5);
}
.j13-admin-media-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.j13-admin-media-meta {
  padding: 0.45rem 0.55rem 0.6rem;
  font-size: 0.85rem;
}
.j13-admin-media-name {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-weight: 600;
}
.j13-admin-media-ops {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.35rem;
}
.j13-post__admin {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin-top: 0.65rem;
  padding-top: 0.55rem;
  border-top: 1px dashed var(--j13-border);
  font-size: 0.85rem;
}


.j13-rev-list { list-style: none; margin: 1rem 0; padding: 0; }
.j13-rev-item { border-bottom: 1px solid var(--j13-border); }
.j13-rev-item a {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  padding: 0.75rem 0;
  color: inherit;
  text-decoration: none;
}
.j13-rev-item a:hover strong { color: var(--j13-accent); }
.j13-rev-snapshot { margin-top: 1rem; }
/* —— main SPA 首页壳层对齐覆盖 —— */
:root {
  --j13-green: #18a058;
  --j13-green-hover: #138f4c;
  --j13-green-bg: rgba(24, 160, 88, 0.08);
  --j13-green-soft: #edfbf3;
  --j13-border-light: #f0f3f7;
  --j13-sidebar-w: 210px;
  --j13-aside-w: 280px;
  --j13-header-h: 56px;
  --j13-max-w: 1400px;
  --j13-bg-page: #f5f7fa;
  --j13-bg-block-muted: #f1f4f8;
  --j13-bg-block-accent: #f0faf5;
  --board-0-color: #18a058; --board-0-bg: rgba(24,160,88,.1);
  --board-1-color: #3498db; --board-1-bg: rgba(52,152,219,.1);
  --board-2-color: #9b59b6; --board-2-bg: rgba(155,89,182,.1);
  --board-3-color: #e67e22; --board-3-bg: rgba(230,126,34,.1);
  --board-4-color: #e74c3c; --board-4-bg: rgba(231,76,60,.1);
  --board-5-color: #1abc9c; --board-5-bg: rgba(26,188,156,.1);
  --board-6-color: #6366f1; --board-6-bg: rgba(99,102,241,.1);
  --board-7-color: #f59e0b; --board-7-bg: rgba(245,158,11,.12);
  --j13-frame: var(--j13-max-w);
}
html[data-theme="dark"] {
  --j13-green: #23c36b;
  --j13-green-hover: #1fb35f;
  --j13-green-bg: rgba(35,195,107,.12);
  --j13-green-soft: rgba(35,195,107,.08);
  --j13-border-light: #262629;
  --j13-bg-page: #141416;
  --j13-bg-block-muted: #1c1c20;
  --j13-bg-block-accent: rgba(35,195,107,.06);
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) {
    --j13-green: #23c36b;
    --j13-green-hover: #1fb35f;
    --j13-green-bg: rgba(35,195,107,.12);
    --j13-green-soft: rgba(35,195,107,.08);
    --j13-border-light: #262629;
    --j13-bg-page: #141416;
    --j13-bg-block-muted: #1c1c20;
    --j13-bg-block-accent: rgba(35,195,107,.06);
  }
}

body.j13-body {
  background:
    radial-gradient(ellipse 70% 45% at 50% -10%, rgba(24, 160, 88, 0.07), transparent 70%),
    var(--j13-bg-page);
  font-size: 14px;
}
html[data-theme="dark"] body.j13-body {
  background:
    radial-gradient(ellipse 70% 45% at 50% -10%, rgba(35, 195, 107, 0.08), transparent 70%),
    var(--j13-bg-page);
}
@media (prefers-color-scheme: dark) {
  html:not([data-theme="light"]) body.j13-body {
    background:
      radial-gradient(ellipse 70% 45% at 50% -10%, rgba(35, 195, 107, 0.08), transparent 70%),
      var(--j13-bg-page);
  }
}

.j13-header.app-header {
  height: var(--j13-header-h);
  box-shadow: none;
}
.j13-header__inner.header-inner {
  max-width: var(--j13-max-w);
  height: 100%;
  min-height: var(--j13-header-h);
  padding: 0 20px;
  display: flex;
  grid-template-columns: none;
  gap: 20px;
}
.header-brand { gap: 10px; }
.header-logo-mark,
.j13-brand__mark.header-logo-mark {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--j13-green) 0%, #34c471 100%);
  color: #fff;
  font-size: 17px;
}
.header-logo-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--j13-text);
  letter-spacing: 0.02em;
}
.header-brand:hover .header-logo-text { color: var(--j13-green); }
.j13-brand__text { display: none; }

.header-search-wrap {
  flex: 1;
  min-width: 0;
  max-width: 420px;
  margin: 0;
  display: flex;
  align-items: center;
  min-height: 36px;
  padding: 0 10px 0 12px;
  border: 1px solid var(--j13-border);
  border-radius: 999px;
  background: var(--j13-bg-block-muted);
  transition: border-color var(--j13-ease), box-shadow var(--j13-ease), background var(--j13-ease);
}
.header-search-wrap:focus-within {
  background: var(--j13-surface);
  border-color: color-mix(in srgb, var(--j13-green) 30%, transparent);
  box-shadow: 0 0 0 3px var(--j13-green-bg);
}
.header-search-row {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
}
.header-search-icon { color: var(--j13-muted); flex-shrink: 0; }
.header-search-input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 14px;
  color: var(--j13-text);
  padding: 0;
  max-width: none;
  margin: 0;
  border-radius: 0;
}
.header-search-filter-btn {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--j13-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.header-search-filter-btn:hover,
.header-search-filter-btn--active {
  background: var(--j13-green-bg);
  color: var(--j13-green);
}
.header-search-kbd {
  display: none;
  padding: 2px 6px;
  border-radius: 4px;
  border: 1px solid var(--j13-border-light);
  background: var(--j13-surface);
  font-size: 10px;
  color: var(--j13-muted);
  font-family: inherit;
}
@media (min-width: 1100px) {
  .header-search-kbd { display: inline-flex; }
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  flex-shrink: 0;
}
.header-compose-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 16px;
  border: none;
  border-radius: 999px;
  background: var(--j13-green);
  color: #fff;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  box-shadow: 0 2px 8px rgba(26, 127, 75, 0.22);
  transition: background var(--j13-ease), box-shadow var(--j13-ease), transform var(--j13-ease);
}
.header-compose-btn:hover {
  background: var(--j13-green-hover);
  color: #fff;
  text-decoration: none;
  box-shadow: 0 3px 10px rgba(26, 127, 75, 0.3);
}
.header-action-group {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border-radius: 999px;
  background: var(--j13-bg-block-muted);
  border: 1px solid var(--j13-border-light);
}
.header-icon-btn {
  position: relative;
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--j13-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  padding: 0;
}
.header-icon-btn:hover {
  background: var(--j13-hover);
  color: var(--j13-text);
}
.header-icon-btn .j13-badge {
  position: absolute;
  top: -2px;
  right: -2px;
  font-size: 10px;
  min-width: 1rem;
  padding: 0 4px;
}
.header-user-btn {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 50%;
  padding: 0;
  cursor: pointer;
  overflow: hidden;
  background: var(--j13-green);
  list-style: none;
  display: grid;
  place-items: center;
}
.header-user-btn::-webkit-details-marker { display: none; }
.header-user-avatar { width: 100%; height: 100%; object-fit: cover; }
.header-user-initial { color: #fff; font-size: 14px; font-weight: 600; }
.header-login-btn {
  height: 32px;
  padding: 0 14px;
  border-radius: 999px;
  color: var(--j13-green);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}
.header-login-btn:hover { background: var(--j13-green-bg); }
.header-user-menu > summary { list-style: none; }
.j13-theme-toggle.header-icon-btn {
  border: 0;
  border-radius: 50%;
  padding: 0;
  width: 32px;
  height: 32px;
}

.j13-layout {
  max-width: var(--j13-max-w);
  grid-template-columns: var(--j13-sidebar-w) minmax(0, 1fr) var(--j13-aside-w);
  gap: 0;
  padding: 0;
  background: var(--j13-surface);
  border-left: 1px solid var(--j13-border-light);
  border-right: 1px solid var(--j13-border-light);
  min-height: calc(100vh - var(--j13-header-h) - 4rem);
}
.j13-aside--left.sidebar {
  width: var(--j13-sidebar-w);
  border-right: 1px solid var(--j13-border-light);
  padding: 12px 0;
  position: sticky;
  top: var(--j13-header-h);
  max-height: calc(100vh - var(--j13-header-h));
  overflow-y: auto;
}
.j13-aside--right {
  width: var(--j13-aside-w);
  border-left: 1px solid var(--j13-border-light);
  padding: 12px;
  gap: 10px;
}
.j13-main {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: var(--j13-surface);
}
.sidebar-section {
  margin: 0;
  padding: 4px 12px 8px;
  font-size: 11px;
  font-weight: 600;
  color: var(--j13-muted);
  text-transform: none;
  letter-spacing: 0;
}
.sidebar-section--boards { margin-top: 8px; }
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 8px;
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 8px;
  height: 36px;
  padding: 0 12px;
  border-radius: 8px;
  color: var(--j13-text);
  text-decoration: none;
  font-size: 13px;
  border-left: 0;
}
.sidebar-nav-item:hover { background: var(--j13-bg-block-muted); color: var(--j13-text); }
.sidebar-nav-item.active {
  background: var(--j13-green-bg);
  color: var(--j13-green);
  font-weight: 600;
}
.sidebar-nav-item__meta {
  margin-left: auto;
  color: var(--j13-muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.sidebar-board-icon { font-size: 10px; opacity: 0.88; }
.sidebar-board-icon--0 { color: var(--board-0-color); }
.sidebar-board-icon--1 { color: var(--board-1-color); }
.sidebar-board-icon--2 { color: var(--board-2-color); }
.sidebar-board-icon--3 { color: var(--board-3-color); }
.sidebar-board-icon--4 { color: var(--board-4-color); }
.sidebar-board-icon--5 { color: var(--board-5-color); }
.sidebar-board-icon--6 { color: var(--board-6-color); }
.sidebar-board-icon--7 { color: var(--board-7-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-0 { background: var(--board-0-bg); color: var(--board-0-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-1 { background: var(--board-1-bg); color: var(--board-1-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-2 { background: var(--board-2-bg); color: var(--board-2-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-3 { background: var(--board-3-bg); color: var(--board-3-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-4 { background: var(--board-4-bg); color: var(--board-4-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-5 { background: var(--board-5-bg); color: var(--board-5-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-6 { background: var(--board-6-bg); color: var(--board-6-color); }
.sidebar-nav-item--board.active.sidebar-nav-item--board-7 { background: var(--board-7-bg); color: var(--board-7-color); }

.j13-aside__section, .j13-aside__link { display: none; }

.feed-toolbar {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border-bottom: 1px solid var(--j13-border-light);
  margin: 0;
}
.feed-sort-bar {
  display: flex;
  gap: 2px;
  border: 0;
  padding: 0;
  background: transparent;
  border-radius: 0;
}
.feed-sort-tab {
  display: inline-flex;
  align-items: center;
  height: 28px;
  padding: 0 10px;
  border-radius: 6px;
  color: var(--j13-muted);
  text-decoration: none;
  font-size: 13px;
  background: transparent;
}
.feed-sort-tab:hover { background: var(--j13-bg-block-muted); color: var(--j13-text); }
.feed-sort-tab.active,
.feed-sort-tab.is-active {
  background: var(--j13-green-bg);
  color: var(--j13-green);
  font-weight: 600;
}

.j13-search-advanced {
  margin: 0;
  padding: 0 16px 10px;
  border-bottom: 1px solid var(--j13-border-light);
}
.post-list { list-style: none; margin: 0; padding: 0; }
.post-row {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  width: 100%;
  padding: 16px 20px;
  border-bottom: 1px solid var(--j13-border-light);
  border-radius: 0;
  margin: 0;
  border-top: 0;
  background: transparent;
  transition: background var(--j13-ease);
}
.post-row:hover { background: var(--j13-bg-block-accent); }
.post-row--v2 { padding: 8px 16px; gap: 8px; }
.post-row--v2.post-row--title-only { padding: 12px 16px; }
.post-avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  flex-shrink: 0;
  background: var(--j13-green-bg);
  color: var(--j13-green);
  display: grid;
  place-items: center;
  font-weight: 600;
  font-size: 14px;
}
.post-avatar img { width: 100%; height: 100%; object-fit: cover; }
.post-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.post-main--with-thumb {
  flex-direction: row;
  align-items: stretch;
  gap: 10px;
}
.post-content { min-width: 0; flex: 1; display: flex; flex-direction: column; gap: 2px; }
.post-title-row { display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.post-title {
  color: var(--j13-text);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: 0;
}
.post-row:hover .post-title { color: var(--j13-green); }
.post-excerpt {
  margin: 0;
  font-size: 13px;
  line-height: 1.45;
  color: var(--j13-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.post-meta--inline { display: flex; margin-top: 2px; }
.post-meta-left {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 6px;
  font-size: 12px;
  color: var(--j13-muted);
  min-width: 0;
}
.post-meta-author { color: var(--j13-muted); text-decoration: none; font-weight: 500; }
.post-meta-author:hover { color: var(--j13-green); }
.post-meta-sep { opacity: 0.6; }
.post-meta-last-reply { display: inline-flex; gap: 4px; align-items: center; }
.post-list-board-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  text-decoration: none;
  background: var(--board-0-bg);
  color: var(--board-0-color);
}
.board-badge--1 { background: var(--board-1-bg); color: var(--board-1-color); }
.board-badge--2 { background: var(--board-2-bg); color: var(--board-2-color); }
.board-badge--3 { background: var(--board-3-bg); color: var(--board-3-color); }
.board-badge--4 { background: var(--board-4-bg); color: var(--board-4-color); }
.board-badge--5 { background: var(--board-5-bg); color: var(--board-5-color); }
.board-badge--6 { background: var(--board-6-bg); color: var(--board-6-color); }
.board-badge--7 { background: var(--board-7-bg); color: var(--board-7-color); }
.post-pin-badge,
.post-feature-badge {
  display: inline-flex;
  align-items: center;
  height: 20px;
  padding: 0 6px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  background: #fef3c7;
  color: #92400e;
}
.post-feature-badge { background: var(--j13-green-bg); color: var(--j13-green); }
.post-pin-badge--board { background: #e0f2fe; color: #075985; }
.post-aside { display: flex; align-items: flex-end; gap: 10px; flex-shrink: 0; }
.post-thumb {
  width: 64px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
  background: var(--j13-bg-block-muted);
  display: block;
}
.post-thumb img { width: 100%; height: 100%; object-fit: cover; }
.post-stats {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--j13-muted);
  font-variant-numeric: tabular-nums;
}
.post-stat { display: inline-flex; align-items: center; gap: 4px; white-space: nowrap; }

.j13-post-item { display: none; } /* 旧列表类停用 */

.j13-widget,
.j13-checkin {
  border: 1px solid var(--j13-border-light);
  border-radius: 10px;
  background: var(--j13-surface);
  padding: 12px;
  box-shadow: 0 1px 2px rgba(15, 23, 42, 0.04);
}
.j13-widget__title {
  text-transform: none;
  letter-spacing: 0;
  font-size: 13px;
  color: var(--j13-text);
  font-weight: 600;
}
.j13-btn, .j13-btn--compose, .header-compose-btn {
  background: var(--j13-green);
  border-color: var(--j13-green);
}
.j13-btn:hover { background: var(--j13-green-hover); border-color: var(--j13-green-hover); }
a { color: var(--j13-green); }

@media (max-width: 900px) {
  .j13-layout { grid-template-columns: var(--j13-sidebar-w) minmax(0, 1fr); }
  .j13-aside--right { display: none; }
  .j13-header__inner.header-inner { display: flex; flex-wrap: wrap; }
  .header-search-wrap { order: 3; flex: 1 1 100%; max-width: none; }
}