/*
Theme Name: Pup Behavior Guide
Theme URI: https://www.123456.wang
Author: Megan Torres
Author URI: https://www.123456.wang
Description: A calm, editorial theme for force-free animal training and behavior-science content, built around soft natural tones and gentle photography.
Version: 1.4.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: pup-behavior-guide
*/

/* ==========================================================================
   1. Custom properties & reset
   ========================================================================== */
:root {
  --pbg-sage: #8fa792;
  --pbg-sage-deep: #5f7a64;
  --pbg-cream: #f8f4ec;
  --pbg-cream-deep: #efe7d8;
  --pbg-bluegray: #6f7f8c;
  --pbg-bluegray-deep: #4d5b66;
  --pbg-ink: #333a33;
  --pbg-ink-soft: #5c6660;
  --pbg-line: #e3ddd0;
  --pbg-white: #ffffff;

  --pbg-font-head: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --pbg-font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  --pbg-radius: 10px;
  --pbg-radius-sm: 6px;
  --pbg-radius-lg: 14px;
  --pbg-shadow: 0 2px 16px rgba(51, 58, 51, 0.08);
  --pbg-shadow-soft: 0 1px 6px rgba(51, 58, 51, 0.06);

  --pbg-max: 1160px;
  --pbg-prose-max: 680px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  overflow-x: hidden;
  font-family: var(--pbg-font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--pbg-ink);
  background: var(--pbg-cream);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: var(--pbg-bluegray-deep);
  text-decoration: none;
}

a:hover,
a:focus {
  text-decoration: underline;
}

ul {
  margin: 0;
  padding: 0;
}

button {
  font-family: inherit;
  cursor: pointer;
}

.pbg-skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--pbg-ink);
  color: var(--pbg-white);
  padding: 0.6em 1em;
  z-index: 1000;
  border-radius: 0 0 var(--pbg-radius-sm) 0;
}

.pbg-skip-link:focus {
  left: 0;
}

.pbg-container {
  width: 100%;
  max-width: var(--pbg-max);
  margin: 0 auto;
  padding: 0 1.25rem;
}

.pbg-visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* ==========================================================================
   2. Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--pbg-font-head);
  font-weight: 700;
  line-height: 1.25;
  color: var(--pbg-ink);
  margin: 1.6em 0 0.6em;
}

h1 { font-size: clamp(1.9rem, 4vw, 2.7rem); margin-top: 0; }
h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); }
h3 { font-size: clamp(1.15rem, 2.4vw, 1.4rem); }

p { margin: 0 0 1.2em; }

/* ==========================================================================
   3. Header
   ========================================================================== */
.denframe-header {
  background: var(--pbg-white);
  border-bottom: 1px solid var(--pbg-line);
}

.denframe-header__brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1.1rem;
  padding-bottom: 1.1rem;
}

.denframe-header__sitename {
  min-width: 0;
  overflow-wrap: break-word;
}

.denframe-header__sitename {
  font-family: var(--pbg-font-head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pbg-ink);
  letter-spacing: 0.01em;
}

.denframe-header__sitename:hover {
  color: var(--pbg-sage-deep);
  text-decoration: none;
}

.denframe-header__logo img {
  max-height: 52px;
  width: auto;
}

.denframe-header__tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.denframe-header__menutoggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--pbg-line);
  border-radius: var(--pbg-radius-sm);
  background: var(--pbg-cream);
  padding: 0;
}

.denframe-header__menutoggle svg {
  width: 20px;
  height: 20px;
  stroke: var(--pbg-ink);
}

.denframe-header__searchtoggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--pbg-line);
  border-radius: var(--pbg-radius-sm);
  background: var(--pbg-cream);
  padding: 0;
}

.denframe-header__searchtoggle svg {
  width: 18px;
  height: 18px;
  stroke: var(--pbg-ink);
}

.denframe-header__searchpanel {
  background: var(--pbg-cream);
  border-top: 1px solid var(--pbg-line);
  padding: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease, padding 0.25s ease;
}

.denframe-header__searchpanel.is-open {
  max-height: 120px;
  padding: 1rem 0;
}

/* ==========================================================================
   4. Primary navigation (trailnav)
   ========================================================================== */
.trailnav-row {
  background: var(--pbg-cream);
  border-top: 1px solid var(--pbg-line);
}

.trailnav {
  position: relative;
}

.trailnav__list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.15rem;
}

.trailnav__item {
  position: relative;
}

.trailnav__link,
.trailnav__toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.85rem 0.9rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--pbg-ink);
  background: none;
  border: none;
}

.trailnav__link:hover,
.trailnav__link:focus {
  color: var(--pbg-sage-deep);
  text-decoration: none;
}

.trailnav__caret {
  width: 9px;
  height: 9px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  flex-shrink: 0;
}

.trailnav__sub {
  list-style: none;
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background: var(--pbg-white);
  border: 1px solid var(--pbg-line);
  border-radius: var(--pbg-radius-sm);
  box-shadow: var(--pbg-shadow);
  padding: 0.4rem;
  z-index: 50;
}

.trailnav__sub .trailnav__link {
  padding: 0.55rem 0.7rem;
  font-weight: 500;
  border-radius: var(--pbg-radius-sm);
}

.trailnav__sub .trailnav__link:hover {
  background: var(--pbg-cream);
  text-decoration: none;
}

@media (min-width: 769px) {
  .trailnav__item.menu-item-has-children:hover > .trailnav__sub,
  .trailnav__item.menu-item-has-children:focus-within > .trailnav__sub {
    display: block;
  }

  .trailnav__toggle {
    display: none;
  }

  .trailnav__caret {
    display: none;
  }
}

/* Mobile nav */
@media (max-width: 768px) {
  .denframe-header__menutoggle {
    display: flex;
  }

  .trailnav-row {
    display: none;
  }

  .trailnav-row.is-open {
    display: block;
  }

  .trailnav__list {
    flex-direction: column;
    padding: 0.5rem 0 1rem;
  }

  .trailnav__item {
    width: 100%;
  }

  .trailnav__link {
    width: 100%;
    justify-content: flex-start;
  }

  .trailnav__item.menu-item-has-children {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
  }

  .trailnav__item.menu-item-has-children > .trailnav__link {
    flex: 1;
    width: auto;
  }

  .trailnav__toggle {
    width: 42px;
    justify-content: center;
  }

  .trailnav__link .trailnav__caret {
    display: none;
  }

  .trailnav__sub {
    position: static;
    display: none;
    width: 100%;
    box-shadow: none;
    border: none;
    background: var(--pbg-cream-deep);
    margin: 0 0 0.25rem 0;
  }

  .trailnav__sub.is-open {
    display: block;
  }

  .trailnav__caret {
    transform: rotate(45deg);
    transition: transform 0.15s ease;
  }

  .trailnav__toggle[aria-expanded="true"] .trailnav__caret {
    transform: rotate(225deg);
  }
}

/* ==========================================================================
   5. Search form (denform)
   ========================================================================== */
.denform-search {
  display: flex;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  gap: 0.5rem;
}

.denform-search__field {
  flex: 1;
  min-width: 0;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--pbg-line);
  border-radius: var(--pbg-radius-sm);
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--pbg-white);
  color: var(--pbg-ink);
}

.denform-search__submit {
  padding: 0.6rem 1.1rem;
  border: none;
  border-radius: var(--pbg-radius-sm);
  background: var(--pbg-sage-deep);
  color: var(--pbg-white);
  font-weight: 600;
  font-size: 0.92rem;
}

.denform-search__submit:hover {
  background: var(--pbg-ink);
}

/* ==========================================================================
   6. Breadcrumbs (pathcrumbs)
   ========================================================================== */
.pathcrumbs {
  padding-top: 0.9rem;
  padding-bottom: 0.9rem;
  font-size: 0.85rem;
  color: var(--pbg-ink-soft);
}

.pathcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  gap: 0.35rem;
  margin: 0;
  padding: 0;
}

.pathcrumbs a {
  color: var(--pbg-bluegray-deep);
}

.pathcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: var(--pbg-line);
}

.pathcrumbs li[aria-current] {
  color: var(--pbg-ink);
}

/* ==========================================================================
   7. Homepage growth grid
   ========================================================================== */
.growthgrid {
  padding: 1.5rem 0 3rem;
}

.growthgrid__feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  background: var(--pbg-white);
  border-radius: var(--pbg-radius-lg);
  overflow: hidden;
  box-shadow: var(--pbg-shadow);
  margin-bottom: 2.5rem;
}

.growthgrid__feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  aspect-ratio: 16/9;
}

.growthgrid__feature-body {
  padding: 1.75rem;
}

.growthgrid__feature-title {
  margin-top: 0.4rem;
}

.growthgrid__feature-title a {
  color: var(--pbg-ink);
}

.growthgrid__feature-title a:hover {
  color: var(--pbg-sage-deep);
}

@media (min-width: 769px) {
  .growthgrid__feature {
    grid-template-columns: 1.1fr 1fr;
    align-items: stretch;
  }

  .growthgrid__feature-body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2.5rem;
  }
}

.growthgrid__heading {
  font-size: 1.05rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pbg-sage-deep);
  margin: 0 0 1.1rem;
  font-family: var(--pbg-font-body);
  font-weight: 700;
}

.growthgrid__rows {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  list-style: none;
}

/* ==========================================================================
   8. Post card (pawcard)
   ========================================================================== */
.pawcard {
  background: var(--pbg-white);
  border-radius: var(--pbg-radius);
  overflow: hidden;
  box-shadow: var(--pbg-shadow-soft);
  display: flex;
  flex-direction: column;
}

.pawcard__media {
  display: block;
}

.pawcard__media img {
  width: 100%;
  aspect-ratio: 16/10;
  object-fit: cover;
}

.pawcard__body {
  padding: 1.1rem 1.25rem 1.4rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.pawcard__meta {
  font-size: 0.8rem;
  color: var(--pbg-ink-soft);
  margin-bottom: 0.4rem;
}

.pawcard__title {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.pawcard__title a {
  color: var(--pbg-ink);
}

.pawcard__title a:hover {
  color: var(--pbg-sage-deep);
}

.pawcard__excerpt {
  font-size: 0.92rem;
  color: var(--pbg-ink-soft);
  margin-bottom: 0;
}

/* ==========================================================================
   9. Topic pill (scentmark)
   ========================================================================== */
.scentmark {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--pbg-cream-deep);
  color: var(--pbg-sage-deep);
  border-radius: 999px;
  padding: 0.2rem 0.75rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 0.6rem;
}

.scentmark a {
  color: inherit;
}

/* ==========================================================================
   10. Main content wrapper / page layouts
   ========================================================================== */
.pbg-main {
  min-height: 50vh;
}

.denpage {
  padding: 1rem 0 3.5rem;
}

.denpage__inner,
.denpost__content,
.denpost__header {
  max-width: var(--pbg-prose-max);
  margin: 0 auto;
}

.denpage__title {
  max-width: var(--pbg-prose-max);
  margin: 0 auto 1rem;
}

/* ==========================================================================
   11. Single post (denpost)
   ========================================================================== */
.denpost__header {
  text-align: left;
}

.denpost__title {
  margin-top: 0.3rem;
}

.denpost__meta {
  font-size: 0.88rem;
  color: var(--pbg-ink-soft);
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  align-items: center;
  margin-bottom: 1rem;
}

.denpost__media {
  max-width: 100%;
  margin: 1.5rem 0;
  border-radius: var(--pbg-radius-lg);
  overflow: hidden;
  box-shadow: var(--pbg-shadow-soft);
}

.denpost__media img {
  width: 100%;
  height: auto;
}

.denpost__content {
  font-size: 1.05rem;
}

.denpost__content h2 {
  margin-top: 2em;
  padding-top: 0.3em;
  border-top: 1px solid var(--pbg-line);
}

.denpost__content h2:first-child {
  border-top: none;
  padding-top: 0;
  margin-top: 1.2em;
}

.denpost__content ul,
.denpost__content ol {
  padding-left: 1.4em;
  margin-bottom: 1.2em;
}

.denpost__content blockquote {
  border-left: 4px solid var(--pbg-sage);
  margin: 1.5em 0;
  padding: 0.4em 0 0.4em 1.2em;
  color: var(--pbg-ink-soft);
  font-style: italic;
}

.denpost__content figure {
  margin: 1.5em 0;
}

.denpost__content figcaption {
  font-size: 0.85rem;
  color: var(--pbg-ink-soft);
  margin-top: 0.4em;
}

.denpost__content pre,
.denpost__content table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.denpost__content iframe,
.denpost__content video,
.denpost__content embed,
.denpost__content object {
  max-width: 100%;
}

.denpost__content .alignfull,
.denpost__content .alignwide {
  max-width: 100%;
  margin-left: 0;
  margin-right: 0;
}

/* ==========================================================================
   12. Table of contents (routemap)
   ========================================================================== */
.routemap {
  max-width: var(--pbg-prose-max);
  margin: 1.5rem auto 2rem;
  background: var(--pbg-cream-deep);
  border-radius: var(--pbg-radius);
  padding: 1.25rem 1.5rem;
}

.routemap__title {
  margin: 0 0 0.6rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-family: var(--pbg-font-body);
  font-weight: 700;
  color: var(--pbg-sage-deep);
}

.routemap__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.routemap__list a {
  font-size: 0.95rem;
  color: var(--pbg-ink);
}

.routemap__list a:hover {
  color: var(--pbg-sage-deep);
}

.routemap__sub {
  list-style: none;
  margin: 0.35rem 0 0;
  padding-left: 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

/* ==========================================================================
   13. Author bio (denbio)
   ========================================================================== */
.denbio {
  max-width: var(--pbg-prose-max);
  margin: 2.5rem auto 0;
  display: flex;
  gap: 1.25rem;
  background: var(--pbg-white);
  border-radius: var(--pbg-radius-lg);
  padding: 1.5rem;
  box-shadow: var(--pbg-shadow-soft);
  align-items: flex-start;
}

.denbio__avatar img {
  border-radius: 50%;
  width: 64px;
  height: 64px;
}

.denbio__name {
  margin: 0 0 0.3rem;
  font-size: 1.05rem;
}

.denbio__desc {
  font-size: 0.92rem;
  color: var(--pbg-ink-soft);
  margin-bottom: 0;
}

@media (max-width: 540px) {
  .denbio {
    flex-direction: column;
  }
}

/* ==========================================================================
   14. Related posts (relatedtrails)
   ========================================================================== */
.relatedtrails {
  max-width: var(--pbg-max);
  margin: 3rem auto 0;
  padding: 0 1.25rem;
}

.relatedtrails__title {
  text-align: center;
}

.relatedtrails__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
  list-style: none;
  margin-top: 1.25rem;
}

/* ==========================================================================
   15. Archive / category / tag hub (trailhub)
   ========================================================================== */
.trailhub__intro {
  max-width: var(--pbg-prose-max);
  margin: 0 auto 2rem;
  background: var(--pbg-white);
  border-radius: var(--pbg-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--pbg-shadow-soft);
}

.trailhub__list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
  list-style: none;
}

/* ==========================================================================
   16. Pagination (pawsteps)
   ========================================================================== */
.pawsteps-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin: 3rem 0 0;
}

.pawsteps-pagination .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.pawsteps-pagination .page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 0.6rem;
  border-radius: var(--pbg-radius-sm);
  background: var(--pbg-white);
  color: var(--pbg-ink);
  font-size: 0.9rem;
  box-shadow: var(--pbg-shadow-soft);
}

.pawsteps-pagination .current {
  background: var(--pbg-sage-deep);
  color: var(--pbg-white);
}

.pawsteps-pagination a:hover {
  background: var(--pbg-cream-deep);
  text-decoration: none;
}

/* ==========================================================================
   17. Sidebar (denpanel)
   ========================================================================== */
.denpanel {
  margin-top: 3rem;
}

.denpanel__widget {
  background: var(--pbg-white);
  border-radius: var(--pbg-radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--pbg-shadow-soft);
}

.denpanel__widget h2,
.denpanel__widget h3 {
  font-size: 1.05rem;
  margin-top: 0;
}

/* ==========================================================================
   18. Strayden (404 / no results)
   ========================================================================== */
.strayden {
  max-width: var(--pbg-prose-max);
  margin: 0 auto;
  text-align: center;
  padding: 3rem 1.25rem;
}

.strayden__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

/* ==========================================================================
   19. Footer (pupfoot)
   ========================================================================== */
.pupfoot {
  background: var(--pbg-bluegray-deep);
  color: var(--pbg-cream);
  margin-top: 3rem;
}

.pupfoot a {
  color: var(--pbg-cream);
}

.pupfoot a:hover {
  color: var(--pbg-sage);
}

.pupfoot__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  padding: 3rem 0 2rem;
}

.pupfoot__col {
  min-width: 0;
}

@media (min-width: 769px) {
  .pupfoot__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.pupfoot__brandname {
  font-family: var(--pbg-font-head);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--pbg-white);
}

.pupfoot__eyebrow {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--pbg-sage);
  margin: 0 0 0.9rem;
  font-weight: 700;
}

.pupfoot__col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  font-size: 0.92rem;
}

.pupfoot__col .denform-search {
  max-width: none;
  margin: 0;
}

.pupfoot__col .denform-search__field {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--pbg-white);
}

.pupfoot__col .denform-search__field::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.pupfoot__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ==========================================================================
   20. Utility / accessibility
   ========================================================================== */
.pbg-sr-only-focusable:not(:focus) {
  position: absolute !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

@media (max-width: 768px) {
  .growthgrid__rows,
  .trailhub__list,
  .relatedtrails__list {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   21. Comments
   ========================================================================== */

/* ── 宽度与正文对齐，无背景色 ── */
.den-comments-zone {
  max-width: var(--pbg-prose-max);
  margin: 3rem auto 0;
}

/* ── 整个评论区是一张白卡片 ── */
.dencomments {
  background: var(--pbg-white);
  border-radius: var(--pbg-radius-lg);
  box-shadow: var(--pbg-shadow);
  overflow: hidden;
}

/* ── 卡片头部：标题 + 数量 ── */
.dencomments__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--pbg-line);
  gap: 1rem;
}

.dencomments__label {
  font-family: var(--pbg-font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--pbg-ink);
  margin: 0;
}

.dencomments__tally {
  font-size: 0.75rem;
  color: var(--pbg-ink-soft);
  margin: 0;
  white-space: nowrap;
}

/* ── 评论列表 ── */
.dencomments ol.commentlist,
.dencomments ul.commentlist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.dencomments .pup-comment {
  margin: 0;
}

/* ── 每条评论：flex 行，内边距，细分隔线 ── */
.dencomments .comment-body {
  display: flex;
  gap: 0.85rem;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--pbg-line);
}

.dencomments .pup-comment:last-child > .comment-body {
  border-bottom: none;
}

/* ── 首字母圆 ── */
.pup-initial {
  width: 36px;
  height: 36px;
  min-width: 36px;
  border-radius: 50%;
  background: var(--pbg-sage);
  color: var(--pbg-white);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 1px;
  line-height: 1;
  letter-spacing: 0;
  user-select: none;
  flex-shrink: 0;
}

.dencomments .pup-comment--author > .comment-body > .pup-initial {
  background: var(--pbg-sage-deep);
}

/* ── 内容列 ── */
.dencomments .comment-main {
  flex: 1;
  min-width: 0;
}

.dencomments .comment-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.2rem 0.45rem;
  margin: 0 0 0.4rem;
  line-height: 1.4;
}

.dencomments .comment-author-name {
  font-family: var(--pbg-font-head);
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--pbg-ink);
}

.dencomments .pup-author-badge {
  font-size: 0.58rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pbg-sage-deep);
  background: rgba(143, 167, 146, 0.15);
  border: 1px solid var(--pbg-sage);
  border-radius: 999px;
  padding: 0.06em 0.45em;
  line-height: 1.5;
}

.dencomments .comment-time {
  font-size: 0.72rem;
  color: var(--pbg-bluegray);
}

.dencomments .comment-content {
  font-size: 0.93rem;
  color: var(--pbg-ink);
  line-height: 1.7;
}

.dencomments .comment-content p:last-child {
  margin-bottom: 0;
}

/* ── 嵌套回复：浅色背景 + 缩进 ── */
.dencomments .children {
  list-style: none;
  margin: 0;
  padding: 0;
  background: var(--pbg-cream);
  border-top: 1px solid var(--pbg-line);
}

.dencomments .children .comment-body {
  padding-left: 3.5rem;
  border-bottom: 1px solid rgba(180, 168, 148, 0.25);
}

.dencomments .children .pup-comment:last-child > .comment-body {
  border-bottom: none;
}

.dencomments .children .pup-initial {
  width: 28px;
  height: 28px;
  min-width: 28px;
  font-size: 0.7rem;
}

/* ── 表单：卡片底部，粗分隔线区分 ── */
.dencomments #respond {
  padding: 1.5rem;
  border-top: 3px solid var(--pbg-cream-deep);
}

.dencomments #reply-title {
  font-family: var(--pbg-font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--pbg-ink);
  margin: 0 0 1.1rem;
}

.dencomments #reply-title small {
  font-size: 0.65em;
  font-weight: 400;
  font-family: var(--pbg-font-body);
  margin-left: 0.5rem;
  vertical-align: middle;
}

.dencomments #reply-title small a {
  color: var(--pbg-bluegray);
}

.pup-cmt-form p {
  margin: 0 0 0.7rem;
}

.pup-cmt-form label {
  display: block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pbg-ink-soft);
  text-transform: uppercase;
  letter-spacing: 0.07em;
  margin-bottom: 0.3rem;
}

.pup-cmt-form .required {
  color: var(--pbg-sage-deep);
}

.pup-cmt-form input[type="text"],
.pup-cmt-form input[type="email"],
.pup-cmt-form input[type="url"],
.pup-cmt-form textarea {
  width: 100%;
  padding: 0.55rem 0.8rem;
  border: 1px solid var(--pbg-line);
  border-radius: var(--pbg-radius-sm);
  font-size: 0.92rem;
  font-family: inherit;
  background: var(--pbg-cream);
  color: var(--pbg-ink);
  line-height: 1.6;
  transition: border-color 0.15s, background 0.15s;
}

.pup-cmt-form input[type="text"]:focus,
.pup-cmt-form input[type="email"]:focus,
.pup-cmt-form input[type="url"]:focus,
.pup-cmt-form textarea:focus {
  outline: none;
  border-color: var(--pbg-sage);
  background: var(--pbg-white);
}

.pup-cmt-form textarea {
  min-height: 100px;
  resize: vertical;
}

.pup-cmt-form .comment-form-url {
  display: none;
}

.pup-cmt-form .comment-form-cookies-consent {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
}

.pup-cmt-form .comment-form-cookies-consent label {
  text-transform: none;
  letter-spacing: 0;
  font-weight: 400;
  font-size: 0.78rem;
  color: var(--pbg-ink-soft);
}

.pup-cmt-form .form-submit {
  margin-bottom: 0;
}

.pup-cmt-submit {
  padding: 0.62rem 1.4rem;
  border: none;
  border-radius: var(--pbg-radius-sm);
  background: var(--pbg-sage-deep);
  color: var(--pbg-white);
  font-weight: 600;
  font-size: 0.92rem;
  cursor: pointer;
  transition: background 0.15s;
}

.pup-cmt-submit:hover {
  background: var(--pbg-ink);
}

.dencomments .comment-awaiting-moderation {
  font-size: 0.78rem;
  color: var(--pbg-ink-soft);
  font-style: italic;
  margin-top: 0.2rem;
}

@media (max-width: 540px) {
  .dencomments .comment-body {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
  .dencomments .children .comment-body {
    padding-left: 2rem;
  }
  .dencomments__head,
  .dencomments #respond {
    padding-left: 1.1rem;
    padding-right: 1.1rem;
  }
  .pup-initial {
    width: 30px;
    height: 30px;
    min-width: 30px;
    font-size: 0.72rem;
  }
}

/* ==========================================================================
   22. Back to top
   ========================================================================== */
#pbg-back-top {
  position: fixed;
  bottom: 2rem;
  right: 1.5rem;
  z-index: 999;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  border: none;
  background: var(--pbg-sage);
  color: #fff;
  font-size: 1.4rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .25s, transform .25s;
  pointer-events: none;
}
#pbg-back-top.pbg-back-top--visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#pbg-back-top:hover {
  background: var(--pbg-sage-dark, #5a7a5a);
}