/**
 * @package Mojian
 */

/* --- CSS Custom Properties (Light Mode) --- */
:root {
  /* iOS 17 Color System */
  --mo-bg:           #F2F2F7;
  --mo-bg-secondary: #FFFFFF;
  --mo-bg-tertiary:  #F2F2F7;
  --mo-card:         #FFFFFF;
  --mo-text:         #1C1C1E;
  --mo-text-secondary: #8E8E93;
  --mo-text-tertiary:  #AEAEB2;
  --mo-accent:       #007AFF;
  --mo-accent-light: rgba(0, 122, 255, 0.1);
  --mo-border:       #E5E5EA;
  --mo-separator:    #C6C6C8;
  --mo-shadow:       0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
  --mo-shadow-lg:    0 4px 12px rgba(0, 0, 0, 0.08), 0 2px 4px rgba(0, 0, 0, 0.04);
  --mo-radius:       12px;
  --mo-radius-lg:    16px;
  --mo-radius-sm:    8px;
  --mo-blur:         blur(20px);
  --mo-transition:   0.25s cubic-bezier(0.25, 0.1, 0.25, 1);

  /* Shortcode colors */
  --mo-note-bg:      rgba(0, 122, 255, 0.08);
  --mo-note-border:  rgba(0, 122, 255, 0.2);
  --mo-note-text:    #007AFF;
  --mo-warning-bg:   rgba(255, 149, 0, 0.08);
  --mo-warning-border: rgba(255, 149, 0, 0.2);
  --mo-warning-text: #FF9500;
  --mo-tip-bg:       rgba(52, 199, 89, 0.08);
  --mo-tip-border:   rgba(52, 199, 89, 0.2);
  --mo-tip-text:     #34C759;
  --mo-danger-bg:    rgba(255, 59, 48, 0.08);
  --mo-danger-border: rgba(255, 59, 48, 0.2);
  --mo-danger-text:  #FF3B30;

  /* Spacing */
  --mo-header-h:     56px;
  --mo-nav-h:     56px;
  --mo-max-w:        680px;
  --mo-content-pad:  20px;
}

/* --- Dark Mode --- */
html.dark {
  --mo-bg:           #000000;
  --mo-bg-secondary: #1C1C1E;
  --mo-bg-tertiary:  #2C2C2E;
  --mo-card:         #1C1C1E;
  --mo-text:         #FFFFFF;
  --mo-text-secondary: #8E8E93;
  --mo-text-tertiary:  #636366;
  --mo-accent:       #0A84FF;
  --mo-accent-light: rgba(10, 132, 255, 0.15);
  --mo-border:       #38383A;
  --mo-separator:    #48484A;
  --mo-shadow:       0 1px 3px rgba(0, 0, 0, 0.3);
  --mo-shadow-lg:    0 4px 12px rgba(0, 0, 0, 0.4);

  --mo-note-bg:      rgba(10, 132, 255, 0.12);
  --mo-note-border:  rgba(10, 132, 255, 0.3);
  --mo-note-text:    #0A84FF;
  --mo-warning-bg:   rgba(255, 159, 10, 0.12);
  --mo-warning-border: rgba(255, 159, 10, 0.3);
  --mo-warning-text: #FF9F0A;
  --mo-tip-bg:       rgba(48, 209, 88, 0.12);
  --mo-tip-border:   rgba(48, 209, 88, 0.3);
  --mo-tip-text:     #30D158;
  --mo-danger-bg:    rgba(255, 69, 58, 0.12);
  --mo-danger-border: rgba(255, 69, 58, 0.3);
  --mo-danger-text:  #FF453A;
}

/* --- Reset & Base --- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  scroll-behavior: smooth;
}

body {
  font-family: 'Untitled', -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "PingFang SC", "Microsoft YaHei", sans-serif;
  background-color: var(--mo-bg);
  color: var(--mo-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background-color var(--mo-transition), color var(--mo-transition);
  overflow-x: hidden;
}

a {
  color: var(--mo-accent);
  text-decoration: none;
  transition: opacity var(--mo-transition);
}

a:hover { opacity: 0.75; }

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

button {
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
  font: inherit;
}

/* --- Loading --- */
.mo-loader {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--mo-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.mo-loader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.mo-spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--mo-border);
  border-top-color: var(--mo-accent);
  border-radius: 50%;
  animation: mo-spin 0.7s linear infinite;
}

@keyframes mo-spin {
  to { transform: rotate(360deg); }
}

@keyframes moFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes moPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* --- Page Transition --- */
.mo-transition {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: var(--mo-bg);
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mo-transition--active {
  opacity: 1;
  visibility: visible;
}

/* --- Top Bar --- */
.mo-topbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--mo-header-h);
  z-index: 100;
  background: rgba(242, 242, 247, 0.72);
  backdrop-filter: var(--mo-blur);
  -webkit-backdrop-filter: var(--mo-blur);
  border-bottom: 0.5px solid var(--mo-border);
  transition: background-color var(--mo-transition), border-color var(--mo-transition);
}

html.dark .mo-topbar {
  background: rgba(0, 0, 0, 0.72);
}

.mo-topbar__inner {
  max-width: var(--mo-max-w);
  margin: 0 auto;
  padding: 0 var(--mo-content-pad);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mo-topbar__brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.mo-topbar__logo {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--mo-text);
  letter-spacing: -0.01em;
}

.mo-topbar__logo img {
  height: 28px;
  width: auto;
}

.mo-topbar__actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mo-topbar__btn {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  color: var(--mo-accent);
  transition: background-color var(--mo-transition);
}

.mo-topbar__btn:hover {
  background: var(--mo-accent-light);
}

/* Theme Toggle Icons */
.mo-icon-moon { display: none; }
html.dark .mo-icon-sun { display: none; }
html.dark .mo-icon-moon { display: block; }

/* --- Main Content --- */
.mo-main {
  max-width: var(--mo-max-w);
  margin: 0 auto;
  padding: calc(var(--mo-header-h) + 16px) var(--mo-content-pad) calc(var(--mo-nav-h) + 56px);
  min-height: 100vh;
  animation: mo-fadeUp 0.5s cubic-bezier(0.25, 0.1, 0.25, 1);
}

@keyframes mo-fadeUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Hero Section --- */
.mo-hero {
  padding: 40px 0 32px;
}

.mo-hero--archive {
  padding: 24px 0 16px;
}

.mo-hero__inner {
  text-align: center;
}

.mo-hero__greeting {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mo-accent);
  margin-bottom: 6px;
  letter-spacing: 0.02em;
}

.mo-hero__title {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--mo-text);
  margin-bottom: 8px;
}

.mo-hero__desc {
  font-size: 1rem;
  color: var(--mo-text-secondary);
  line-height: 1.5;
}

.mo-hero__stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 14px;
  font-size: 0.8125rem;
  color: var(--mo-text-tertiary);
}

.mo-hero__stat-dot {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--mo-text-tertiary);
}

/* --- Article Card (Left Image + Right Title) --- */
.mo-posts {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mo-card {
  background: var(--mo-card);
  border-radius: var(--mo-radius);
  overflow: hidden;
  box-shadow: var(--mo-shadow);
  transition: transform var(--mo-transition), box-shadow var(--mo-transition);
  opacity: 0;
  transform: translateY(16px);
  animation: mo-cardIn 0.4s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

.mo-card:nth-child(1) { animation-delay: 0.05s; }
.mo-card:nth-child(2) { animation-delay: 0.1s; }
.mo-card:nth-child(3) { animation-delay: 0.15s; }
.mo-card:nth-child(4) { animation-delay: 0.2s; }
.mo-card:nth-child(5) { animation-delay: 0.25s; }
.mo-card:nth-child(6) { animation-delay: 0.3s; }
.mo-card:nth-child(7) { animation-delay: 0.35s; }
.mo-card:nth-child(8) { animation-delay: 0.4s; }
.mo-card:nth-child(9) { animation-delay: 0.45s; }
.mo-card:nth-child(10) { animation-delay: 0.5s; }

@keyframes mo-cardIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mo-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--mo-shadow-lg);
}

.mo-card__link {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px;
  color: inherit;
  text-decoration: none;
}

.mo-card__link:hover { opacity: 1; }

.mo-card__thumb {
  flex-shrink: 0;
  width: 120px;
  aspect-ratio: 16/9;
  border-radius: var(--mo-radius-sm);
  overflow: hidden;
  background: var(--mo-bg-tertiary);
}

.mo-card__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.mo-card:hover .mo-card__thumb img {
  transform: scale(1.05);
}

.mo-card__thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mo-text-tertiary);
}

.mo-card__thumb--placeholder svg {
  width: 28px;
  height: 28px;
}

.mo-card__body {
  flex: 1;
  min-width: 0;
}

.mo-card__title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  color: var(--mo-text);
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 6px;
}

.mo-card__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: var(--mo-text-tertiary);
}

.mo-card__category::before {
  content: "·";
  margin-right: 8px;
}

/* --- Pagination --- */
.mo-pagination {
  padding: 24px 0;
}

.mo-pagination__inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.mo-pagination__inner span,
.mo-pagination__inner a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 0 8px;
  border-radius: var(--mo-radius-sm);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--mo-text-secondary);
  transition: all var(--mo-transition);
}

.mo-pagination__inner a:hover {
  background: var(--mo-accent-light);
  color: var(--mo-accent);
}

.mo-pagination__current {
  background: var(--mo-accent) !important;
  color: #FFFFFF !important;
  font-weight: 600;
}

/* --- Bottom Navigation (Dynamic Island Style) --- */
.mo-nav {
  position: fixed;
  bottom: 0;
  left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: center;
  padding: 0 16px 16px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  pointer-events: none;
  transition: transform 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

.mo-nav__island {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 5px;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-radius: 100px;
  border: 0.5px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.06), 0 4px 24px rgba(0, 0, 0, 0.04);
  pointer-events: auto;
  transition: all 0.35s cubic-bezier(0.25, 0.1, 0.25, 1);
}

html.dark .mo-nav__island {
  background: rgba(44, 44, 46, 0.82);
  border-color: rgba(255, 255, 255, 0.08);
  box-shadow: 0 1px 8px rgba(0, 0, 0, 0.2), 0 4px 24px rgba(0, 0, 0, 0.16);
}

.mo-nav__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 20px;
  color: var(--mo-text-secondary);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  white-space: nowrap;
  text-decoration: none;
  border-radius: 100px;
  transition: all 0.28s cubic-bezier(0.25, 0.1, 0.25, 1);
  -webkit-tap-highlight-color: transparent;
}

.mo-nav__item:hover {
  color: var(--mo-text);
  background: var(--mo-bg-tertiary);
}

.mo-nav__item--active {
  color: #FFFFFF;
  background: var(--mo-accent);
  font-weight: 600;
}

.mo-nav__item--active:hover {
  color: #FFFFFF;
  background: var(--mo-accent);
}

/* Nav hide/show on scroll */
.mo-nav--hidden {
  transform: translateY(calc(100% + 24px));
}

/* --- Article Detail --- */
.mo-article__hero {
  position: relative;
  width: calc(100% + var(--mo-content-pad) * 2);
  margin-left: calc(var(--mo-content-pad) * -1);
  margin-right: calc(var(--mo-content-pad) * -1);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  margin-bottom: -40px;
  border-radius: 0;
}

.mo-article__hero img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mo-article__hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60%;
  background: linear-gradient(
    to top,
    var(--mo-bg) 0%,
    var(--mo-bg) 15%,
    color-mix(in srgb, var(--mo-bg) 85%, transparent) 40%,
    color-mix(in srgb, var(--mo-bg) 40%, transparent) 70%,
    transparent 100%
  );
  pointer-events: none;
}

/* When hero exists, header overlaps the gradient */
.mo-article__hero + .mo-article__header {
  position: relative;
  z-index: 2;
  margin-top: 0;
}

.mo-article__header {
  margin-bottom: 28px;
}

.mo-article__categories {
  font-size: 0.8125rem;
  color: var(--mo-accent);
  font-weight: 600;
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.mo-article__title {
  font-size: 1.75rem;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.03em;
  color: var(--mo-text);
  margin-bottom: 10px;
}

.mo-article__meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.8125rem;
  color: var(--mo-text-secondary);
}

.mo-article__words::before {
  content: "·";
  margin-right: 12px;
}

/* --- Article Content (Typograph) --- */
.mo-content {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--mo-text);
  word-break: break-word;
}

.mo-content h1,
.mo-content h2,
.mo-content h3,
.mo-content h4,
.mo-content h5,
.mo-content h6 {
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin-top: 2em;
  margin-bottom: 0.75em;
  color: var(--mo-text);
}

.mo-content h1 { font-size: 1.75rem; }
.mo-content h2 { font-size: 1.5rem; }
.mo-content h3 { font-size: 1.25rem; }
.mo-content h4 { font-size: 1.125rem; }
.mo-content h5 { font-size: 1rem; }
.mo-content h6 { font-size: 0.875rem; text-transform: uppercase; letter-spacing: 0.04em; }

.mo-content p {
  margin-bottom: 1.25em;
}

.mo-content a {
  color: var(--mo-accent);
  text-decoration: underline;
  text-decoration-color: rgba(0, 122, 255, 0.3);
  text-underline-offset: 2px;
}

.mo-content a:hover {
  text-decoration-color: var(--mo-accent);
}

.mo-content img {
  border-radius: var(--mo-radius);
  margin: 1.5em 0;
}

.mo-content blockquote {
  margin: 1.5em 0;
  padding: 12px 16px;
  border-left: 3px solid var(--mo-accent);
  background: var(--mo-accent-light);
  border-radius: 0 var(--mo-radius-sm) var(--mo-radius-sm) 0;
  color: var(--mo-text-secondary);
  font-size: 0.9375rem;
}

.mo-content blockquote p:last-child { margin-bottom: 0; }

.mo-content pre {
  margin: 1.5em 0;
  padding: 16px;
  background: var(--mo-bg-secondary);
  border-radius: var(--mo-radius);
  overflow-x: auto;
  font-size: 0.875rem;
  line-height: 1.6;
  border: 0.5px solid var(--mo-border);
}

.mo-content code {
  font-family: "SF Mono", "Fira Code", "JetBrains Mono", Menlo, monospace;
  font-size: 0.875em;
  padding: 2px 6px;
  background: var(--mo-bg-tertiary);
  border-radius: 4px;
  color: var(--mo-accent);
}

.mo-content pre code {
  padding: 0;
  background: none;
  border-radius: 0;
  color: inherit;
}

.mo-content ul,
.mo-content ol {
  margin: 1em 0 1.25em;
  padding-left: 1.5em;
}

.mo-content li {
  margin-bottom: 0.5em;
}

.mo-content table {
  width: 100%;
  margin: 1.5em 0;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.mo-content th,
.mo-content td {
  padding: 10px 12px;
  border: 0.5px solid var(--mo-border);
  text-align: left;
}

.mo-content th {
  background: var(--mo-bg-tertiary);
  font-weight: 600;
}

.mo-content hr {
  border: none;
  height: 0.5px;
  background: var(--mo-border);
  margin: 2em 0;
}

/* --- Tags --- */
.mo-article__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0;
}

.mo-article__tags a {
  display: inline-block;
  padding: 4px 12px;
  font-size: 0.8125rem;
  background: var(--mo-bg-tertiary);
  color: var(--mo-text-secondary);
  border-radius: 100px;
  transition: all var(--mo-transition);
}

.mo-article__tags a:hover {
  background: var(--mo-accent-light);
  color: var(--mo-accent);
}

/* --- Author Card --- */
.mo-author {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--mo-card);
  border-radius: var(--mo-radius);
  box-shadow: var(--mo-shadow);
  margin: 24px 0;
}

.mo-author img {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

.mo-author__name {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.mo-author__bio {
  font-size: 0.8125rem;
  color: var(--mo-text-secondary);
}

/* --- Related Posts --- */
.mo-related {
  margin: 24px 0;
}

.mo-related__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.mo-related__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mo-related__item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 16px;
  background: var(--mo-card);
  border-radius: var(--mo-radius-sm);
  box-shadow: var(--mo-shadow);
  transition: transform var(--mo-transition);
  color: inherit;
}

.mo-related__item:hover {
  transform: translateX(4px);
  opacity: 1;
}

.mo-related__item-title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--mo-text);
}

.mo-related__item-date {
  font-size: 0.75rem;
  color: var(--mo-text-tertiary);
  white-space: nowrap;
}

/* --- Comments --- */
.mo-comments {
  margin-top: 40px;
}

.mo-comments__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  background: var(--mo-card);
  border-radius: var(--mo-radius);
  box-shadow: var(--mo-shadow);
  margin-bottom: 20px;
}

.mo-comments__header::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 20px;
  background: var(--mo-accent);
  border-radius: 100px;
  flex-shrink: 0;
}

.mo-comments__title {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.mo-comments__list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}

.mo-comment {
  padding: 16px 0;
  border-bottom: 0.5px solid var(--mo-border);
}

/* 子评论嵌套 - Typecho listComments 输出 <ul class="children"> */
.mo-comments__list,
.mo-comments__list ol,
.mo-comments__list ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.mo-comments__list > li {
  list-style: none;
}
/* 子评论嵌套 - threadedComments() 输出的子 <ol> 也带 .mo-comments__list */
.mo-comment--child {
  padding: 10px 0;
}
.mo-comment--child .mo-comment__avatar img,
.mo-comment--child .mo-comment__avatar .mo-avatar {
  width: 28px;
  height: 28px;
}
.mo-comment--child .mo-comment__avatar .mo-avatar svg {
  width: 28px;
  height: 28px;
}
.mo-comment > .mo-comments__list,
.mo-comment > ol {
  list-style: none;
  padding: 0;
  margin: 0;
  margin-top: 8px;
  padding-left: 18px;
  border-left: 2px solid var(--mo-border);
}

.mo-comment:last-child {
  border-bottom: none;
}

.mo-comment__inner {
  display: flex;
  gap: 12px;
}

.mo-comment__avatar {
  flex-shrink: 0;
}

.mo-comment__avatar img {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--mo-bg-tertiary);
}

/* Default SVG Avatar */
.mo-avatar--default {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  overflow: hidden;
  color: var(--mo-text-tertiary);
  flex-shrink: 0;
}

.mo-avatar--default svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* Author avatar in card */
.mo-author__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--mo-bg-tertiary);
}

.mo-author__avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.mo-author .mo-avatar--default {
  width: 48px;
  height: 48px;
}

.mo-comment__body {
  flex: 1;
  min-width: 0;
}

.mo-comment__header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.mo-comment__author {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--mo-text);
}

.mo-comment__author a {
  color: inherit;
  text-decoration: none;
}

.mo-comment__author a:hover {
  color: var(--mo-accent);
}

/* Author/Admin Badge */
.mo-badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 8px;
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #fff;
  background: var(--mo-accent);
  border-radius: 100px;
  line-height: 1.5;
  vertical-align: middle;
}

.mo-comment__reply-to {
  font-size: .75rem; color: var(--mo-text-tertiary);
}
.mo-comment__reply-to-name {
  color: var(--mo-accent); font-weight: 500;
}

.mo-comment__date {
  font-size: 0.75rem;
  color: var(--mo-text-tertiary);
}

.mo-comment__content {
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--mo-text-secondary);
}

.mo-comment__content p {
  margin-bottom: 0.5em;
}

.mo-comment__content p:last-child { margin-bottom: 0; }

.mo-comment__actions {
  margin-top: 8px;
}

.mo-comment__actions a {
  font-size: 0.8125rem;
  color: var(--mo-accent);
  font-weight: 500;
  text-decoration: none;
  transition: opacity var(--mo-transition);
}

.mo-comment__actions a:hover { opacity: 0.7; }

/* 取消回复链接（Typecho cancelReply 输出） */
.mo-comment-form__cancel a,
#cancel-comment-reply-link {
  font-size: 0.8125rem;
  color: var(--mo-text-tertiary);
  text-decoration: none;
  cursor: pointer;
}
.mo-comment-form__cancel a:hover,
#cancel-comment-reply-link:hover {
  color: var(--mo-text);
}

.mo-comment__pending {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--mo-warning-text);
  font-style: normal;
  background: var(--mo-warning-bg);
  padding: 2px 8px;
  border-radius: 4px;
  margin-top: 4px;
}

/* --- Comment Form --- */
.mo-comment-form {
  margin-top: 24px;
  margin-bottom: 32px;
  padding-bottom: 24px;
  border-bottom: 0.5px solid var(--mo-border);
}

.mo-comment-form__title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.mo-comment-form__header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.mo-comment-form__header .mo-comment-form__title {
  margin-bottom: 0;
}
.mo-comment-form__header .mo-comment-form__cancel {
  margin-bottom: 0;
}

.mo-comment-form__logged {
  font-size: 0.875rem;
  color: var(--mo-text-secondary);
  margin-bottom: 12px;
}

.mo-comment-form__fields {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.mo-comment-form__field {
  flex: 1;
}

.mo-comment-form__input {
  width: 100%;
  padding: 10px 14px;
  font-size: 0.875rem;
  background: var(--mo-bg-tertiary);
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius-sm);
  color: var(--mo-text);
  outline: none;
  transition: border-color var(--mo-transition), box-shadow var(--mo-transition);
  font-family: inherit;
}

.mo-comment-form__input:focus {
  border-color: var(--mo-accent);
  box-shadow: 0 0 0 3px var(--mo-accent-light);
}

.mo-comment-form__textarea-wrap {
  position: relative;
  margin-bottom: 12px;
}

.mo-comment-form__textarea {
  width: 100%;
  min-height: 120px;
  padding: 14px;
  padding-right: 44px;
  font-size: 0.9375rem;
  background: var(--mo-bg-tertiary);
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius-sm);
  color: var(--mo-text);
  outline: none;
  resize: vertical;
  font-family: inherit;
  line-height: 1.6;
  transition: border-color var(--mo-transition), box-shadow var(--mo-transition);
}

.mo-comment-form__textarea:focus {
  border-color: var(--mo-accent);
  box-shadow: 0 0 0 3px var(--mo-accent-light);
}

.mo-comment-form__owo-btn {
  position: absolute;
  right: 10px;
  bottom: 10px;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--mo-text-tertiary);
  border-radius: 50%;
  transition: all var(--mo-transition);
  z-index: 2;
}

.mo-comment-form__owo-btn:hover {
  color: var(--mo-accent);
  background: var(--mo-accent-light);
}

.mo-comment-form__submit {
  display: flex;
  justify-content: flex-end;
}
.mo-comment-form__btn {
  padding: 10px 24px;
  font-size: 0.9375rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--mo-accent);
  border: none;
  border-radius: 100px;
  cursor: pointer;
  transition: opacity var(--mo-transition), transform var(--mo-transition);
}

.mo-comment-form__btn:hover {
  opacity: 0.85;
  transform: scale(0.98);
}

.mo-comment-form__logged {
  font-size: 0.875rem;
  color: var(--mo-text-secondary);
  margin-bottom: 12px;
  padding: 10px 14px;
  background: var(--mo-bg-tertiary);
  border-radius: var(--mo-radius-sm);
}

.mo-comment-form__logged strong {
  color: var(--mo-text);
}

.mo-comment-form__logged a {
  color: var(--mo-accent);
  text-decoration: none;
  margin-left: 4px;
}

.mo-comment-form__cancel {
  font-size: 0.8125rem;
  margin-bottom: 8px;
  color: var(--mo-accent);
  text-decoration: none;
  cursor: pointer;
}
.mo-comment-form__cancel:hover {
  opacity: 0.8;
}

/* --- OwO Emoji Panel --- */
.mo-comment-form__owo {
  position: relative;
}
.mo-owo {
  display: none;
  position: relative;
  width: 100%;
  max-height: 260px;
  background: var(--mo-card);
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius);
  box-shadow: var(--mo-shadow-lg);
  overflow: hidden;
  z-index: 50;
  margin-bottom: 12px;
}

.mo-owo--active {
  display: block;
  animation: mo-slideUp 0.2s ease;
}

@keyframes mo-slideUp {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mo-owo__tabs {
  display: flex;
  overflow-x: auto;
  border-bottom: 0.5px solid var(--mo-border);
  -webkit-overflow-scrolling: touch;
}

.mo-owo__tab {
  padding: 8px 14px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--mo-text-tertiary);
  white-space: nowrap;
  border-bottom: 2px solid transparent;
  transition: all var(--mo-transition);
}

.mo-owo__tab--active {
  color: var(--mo-accent);
  border-bottom-color: var(--mo-accent);
}

.mo-owo__items {
  padding: 10px;
  max-height: 200px;
  overflow-y: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  -webkit-overflow-scrolling: touch;
}

.mo-owo__item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  min-height: 32px;
  padding: 2px 4px;
  font-size: 1.25rem;
  line-height: 1.2;
  border: none;
  background: transparent;
  border-radius: 6px;
  cursor: pointer;
  transition: all var(--mo-transition);
  word-break: keep-all;
  white-space: nowrap;
}

.mo-owo__item:hover {
  background: var(--mo-accent-light);
  transform: scale(1.05);
}

/* 颜文字项：较小字号，自适应宽度 */
.mo-owo__item--text {
  font-size: 0.8125rem;
  min-width: auto;
  padding: 4px 8px;
}

.mo-owo__item img {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

/* 评论中渲染的表情图片 */
.mo-owo-img {
  display: inline-block;
  width: 1.3em;
  height: 1.3em;
  vertical-align: middle;
  margin: 0 2px;
}

@media (max-width: 768px) {
  .mo-owo__item img {
    width: 20px;
    height: 20px;
  }
  .mo-owo-img {
    width: 1em;
    height: 1em;
  }
}

/* --- Comment Highlight (new comment animation) --- */
.mo-comment--highlight {
  animation: moCommentHighlight 2s ease;
}
@keyframes moCommentHighlight {
  0% { background: var(--mo-accent-light); }
  100% { background: transparent; }
}

/* --- Comment Form Loading --- */
.mo-comment-form__btn--loading {
  opacity: 0.7;
  pointer-events: none;
  position: relative;
}
.mo-comment-form__btn--loading::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: mo-spin 0.6s linear infinite;
  margin-right: 6px;
  vertical-align: middle;
}

/* --- Comment Pagination --- */
.mo-comments__pagination {
  margin: 20px 0;
  text-align: center;
}
.mo-comments__page-nav {
  display: inline-flex;
  gap: 6px;
  align-items: center;
}
.mo-comments__page-nav a,
.mo-comments__page-nav span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  font-size: 0.8125rem;
  border-radius: var(--mo-radius-sm);
  border: 0.5px solid var(--mo-border);
  color: var(--mo-text-secondary);
  text-decoration: none;
  transition: all var(--mo-transition);
}
.mo-comments__page-nav a:hover {
  border-color: var(--mo-accent);
  color: var(--mo-accent);
}
.mo-comments__page-nav .mo-comments__page--current {
  background: var(--mo-accent);
  border-color: var(--mo-accent);
  color: #fff;
  font-weight: 600;
}

/* --- Comment Form Reply State --- */
.mo-comment-form__header .mo-comment-form__cancel a {
  font-size: 0.8125rem;
  color: var(--mo-accent);
  text-decoration: none;
}
.mo-comment-form__header .mo-comment-form__cancel a:hover {
  opacity: 0.8;
}

/* --- Comment Empty State --- */
.mo-comments__empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--mo-text-tertiary);
  font-size: 0.875rem;
}
.mo-comments__empty svg {
  display: block;
  margin: 0 auto 12px;
  opacity: 0.4;
}

/* --- Shortcode Styles --- */
.mo-shortcode--note,
.mo-shortcode--warning,
.mo-shortcode--tip,
.mo-shortcode--danger {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  border-radius: var(--mo-radius-sm);
  margin: 1.25em 0;
  font-size: 0.9375rem;
  line-height: 1.6;
  border: 0.5px solid;
}

.mo-shortcode--note {
  background: var(--mo-note-bg);
  border-color: var(--mo-note-border);
  color: var(--mo-note-text);
}

.mo-shortcode--warning {
  background: var(--mo-warning-bg);
  border-color: var(--mo-warning-border);
  color: var(--mo-warning-text);
}

.mo-shortcode--tip {
  background: var(--mo-tip-bg);
  border-color: var(--mo-tip-border);
  color: var(--mo-tip-text);
}

.mo-shortcode--danger {
  background: var(--mo-danger-bg);
  border-color: var(--mo-danger-border);
  color: var(--mo-danger-text);
}

.mo-shortcode__icon {
  flex-shrink: 0;
  margin-top: 1px;
}

.mo-shortcode__content {
  flex: 1;
}

.mo-shortcode__content p:last-child { margin-bottom: 0; }

/* Collapse */
.mo-shortcode--collapse {
  margin: 1.25em 0;
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius-sm);
  overflow: hidden;
}

.mo-shortcode__summary {
  padding: 12px 16px;
  font-weight: 600;
  font-size: 0.9375rem;
  background: var(--mo-bg-tertiary);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mo-shortcode__summary::after {
  content: "+";
  font-size: 1.125rem;
  font-weight: 400;
  color: var(--mo-text-tertiary);
  transition: transform var(--mo-transition);
}

.mo-shortcode--collapse[open] .mo-shortcode__summary::after {
  content: "−";
}

.mo-shortcode--collapse .mo-shortcode__content {
  padding: 14px 16px;
}

/* Button */
.mo-shortcode--button {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  background: var(--mo-accent);
  border-radius: 100px;
  transition: all var(--mo-transition);
  margin: 0.5em 0;
}

.mo-shortcode--button:hover {
  opacity: 0.85;
  transform: scale(0.98);
}

/* Tag */
.mo-shortcode--tag {
  display: inline-block;
  padding: 2px 10px;
  font-size: 0.8125rem;
  background: var(--mo-bg-tertiary);
  color: var(--mo-text-secondary);
  border-radius: 4px;
  margin: 2px 4px;
}

/* Code Group */
.mo-shortcode--code-group {
  margin: 1.5em 0;
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius);
  overflow: hidden;
}

.mo-code-group__tabs {
  display: flex;
  background: var(--mo-bg-tertiary);
  border-bottom: 0.5px solid var(--mo-border);
  overflow-x: auto;
}

.mo-code-group__tab {
  padding: 8px 16px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--mo-text-tertiary);
  background: none;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  transition: all var(--mo-transition);
}

.mo-code-group__tab--active {
  color: var(--mo-accent);
  border-bottom-color: var(--mo-accent);
}

.mo-code-group__panel {
  display: none;
  padding: 16px;
  font-size: 0.875rem;
  overflow-x: auto;
}

.mo-code-group__panel--active {
  display: block;
}

/* Gallery */
.mo-shortcode--gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin: 1.5em 0;
}

.mo-gallery__item {
  aspect-ratio: 1;
  border-radius: var(--mo-radius-sm);
  overflow: hidden;
}

.mo-gallery__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Music & Video */
.mo-shortcode--music,
.mo-shortcode--video {
  margin: 1.5em 0;
  border-radius: var(--mo-radius);
  overflow: hidden;
}

.mo-shortcode--music audio,
.mo-shortcode--video video {
  width: 100%;
}

/* Domain Link */
.mo-shortcode--domain {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px 6px 8px;
  font-size: 0.8125rem;
  font-weight: 500;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  color: var(--mo-text);
  background: var(--mo-card);
  border: 1px solid var(--mo-border);
  border-radius: var(--mo-radius-sm);
  margin: 2px 4px;
  transition: all var(--mo-transition);
  text-decoration: none;
  vertical-align: middle;
  letter-spacing: -0.01em;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

.mo-shortcode--domain:hover {
  border-color: var(--mo-accent);
  color: var(--mo-accent);
  box-shadow: 0 2px 8px rgba(0, 122, 255, 0.12);
  transform: translateY(-1px);
}

.mo-shortcode--domain svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  padding: 3px;
  border-radius: 5px;
  background: var(--mo-accent-light);
  color: var(--mo-accent);
  opacity: 1;
  transition: background var(--mo-transition), color var(--mo-transition);
}

.mo-shortcode--domain:hover svg {
  background: var(--mo-accent);
  color: #fff;
}

/* Friend Links - iOS Settings List Style */
.mo-shortcode--friendlink {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin: 1.5em 0;
  background: var(--mo-card);
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius-md);
  overflow: hidden;
}

.mo-flink__item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: transparent;
  text-decoration: none;
  transition: background var(--mo-transition);
  position: relative;
}

.mo-flink__item:not(:last-child)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 62px;
  right: 16px;
  height: 0.5px;
  background: var(--mo-border);
}

.mo-flink__item:hover {
  background: var(--mo-hover);
}

.mo-flink__avatar {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.0625rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(135deg, var(--mo-accent) 0%, color-mix(in srgb, var(--mo-accent) 70%, #000) 100%);
  flex-shrink: 0;
}

.mo-flink__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.mo-flink__name {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--mo-text);
  line-height: 1.3;
}

.mo-flink__desc {
  font-size: 0.8125rem;
  color: var(--mo-text-tertiary);
  line-height: 1.35;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mo-flink__arrow {
  flex-shrink: 0;
  color: var(--mo-text-tertiary);
  opacity: 0.4;
}

.mo-flink__item:hover .mo-flink__arrow {
  opacity: 0.8;
}

/* --- Search --- */
.mo-search {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  z-index: 200;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 100px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mo-search--active {
  opacity: 1;
  visibility: visible;
}

.mo-search__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.3);
}

html.dark .mo-search__overlay {
  background: rgba(0, 0, 0, 0.6);
}

.mo-search__panel {
  position: relative;
  width: 90%;
  max-width: 480px;
  background: var(--mo-card);
  border-radius: var(--mo-radius-lg);
  box-shadow: var(--mo-shadow-lg);
  padding: 16px;
  animation: mo-slideUp 0.25s ease;
}

.mo-search__form {
  display: flex;
  gap: 10px;
}

.mo-search__input {
  flex: 1;
  padding: 10px 14px;
  font-size: 1rem;
  background: var(--mo-bg-tertiary);
  border: 0.5px solid var(--mo-border);
  border-radius: var(--mo-radius-sm);
  color: var(--mo-text);
  outline: none;
  font-family: inherit;
}

.mo-search__input:focus {
  border-color: var(--mo-accent);
}

.mo-search__btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mo-accent);
  color: #FFFFFF;
  border-radius: var(--mo-radius-sm);
  flex-shrink: 0;
}

/* --- Archive Page --- */
.mo-archive {
  margin-top: 8px;
}

.mo-archive__year {
  margin-bottom: 28px;
}

.mo-archive__year-title {
  font-size: 1.375rem;
  font-weight: 800;
  color: var(--mo-text);
  letter-spacing: -0.02em;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 0.5px solid var(--mo-border);
}

.mo-archive__item {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 10px 0;
  color: inherit;
  text-decoration: none;
  border-bottom: 0.5px solid var(--mo-border);
  transition: all var(--mo-transition);
}

.mo-archive__item:last-child {
  border-bottom: none;
}

.mo-archive__item:hover {
  padding-left: 8px;
  color: var(--mo-accent);
}

.mo-archive__date {
  flex-shrink: 0;
  font-size: 0.8125rem;
  color: var(--mo-text-tertiary);
  font-variant-numeric: tabular-nums;
  min-width: 72px;
}

.mo-archive__title {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--mo-text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mo-archive__item:hover .mo-archive__title {
  color: var(--mo-accent);
}

.mo-page__header {
  margin-bottom: 24px;
}

.mo-page__header .mo-article__title {
  font-size: 1.5rem;
}

/* --- 404 --- */
.mo-404 {
  text-align: center;
  padding: 60px 0;
}

.mo-404__code {
  display: block;
  font-size: 6rem;
  font-weight: 800;
  color: var(--mo-text-tertiary);
  letter-spacing: -0.04em;
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.3;
}

.mo-404__title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.mo-404__desc {
  color: var(--mo-text-secondary);
  margin-bottom: 24px;
}

.mo-404__btn {
  display: inline-flex;
  padding: 10px 24px;
  background: var(--mo-accent);
  color: #FFFFFF;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9375rem;
}

/* --- Back to Top --- */
.mo-backtop {
  position: fixed;
  right: 20px;
  bottom: calc(var(--mo-nav-h) + env(safe-area-inset-bottom, 0) + 48px);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--mo-card);
  border: 0.5px solid var(--mo-border);
  border-radius: 50%;
  box-shadow: var(--mo-shadow);
  color: var(--mo-text-secondary);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--mo-transition);
  z-index: 50;
}

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

.mo-backtop:hover {
  color: var(--mo-accent);
  border-color: var(--mo-accent);
}

/* --- Empty State --- */
.mo-empty {
  text-align: center;
  padding: 60px 0;
  color: var(--mo-text-tertiary);
}

/* --- Lazy Load Image Placeholder --- */
.mo-lazy {
  opacity: 0;
  transition: opacity 0.4s ease;
}

.mo-lazy--loaded {
  opacity: 1;
}

/* --- Responsive --- */
@media (max-width: 640px) {
  :root {
    --mo-content-pad: 16px;
  }

  .mo-hero__title {
    font-size: 1.625rem;
  }

  .mo-article__title {
    font-size: 1.5rem;
  }

  .mo-card__thumb {
    width: 96px;
  }

  .mo-comment-form__fields {
    flex-direction: column;
  }

  .mo-owo {
    width: calc(100vw - 32px);
    right: -8px;
  }

  .mo-nav__item {
    padding: 7px 12px;
    font-size: 0.75rem;
  }

  .mo-hero__greeting {
    font-size: 0.8125rem;
  }

  .mo-flink__avatar {
    width: 36px;
    height: 36px;
    font-size: 0.9375rem;
  }

  .mo-flink__item:not(:last-child)::after {
    left: 56px;
  }
}

@media (min-width: 768px) {
  :root {
    --mo-max-w: 740px;
    --mo-content-pad: 24px;
  }

  .mo-card__thumb {
    width: 150px;
  }
}

/* --- Selection --- */
::selection {
  background: var(--mo-accent);
  color: #FFFFFF;
}

/* --- Scrollbar (Webkit) --- */
::-webkit-scrollbar {
  width: 4px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--mo-text-tertiary);
  border-radius: 100px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--mo-text-secondary);
}

/* --- Print Styles --- */
@media print {
  .mo-topbar, .mo-nav, .mo-backtop, .mo-loader, .mo-transition,
  .mo-article__share, .mo-related, .mo-comments { display: none !important; }
  .mo-main { padding: 0; max-width: 100%; }
}

/* --- Image Upload Page --- */
.mo-imgup__form { margin-bottom: 28px; }
.mo-imgup__dropzone {
  border: 2px dashed var(--mo-border);
  border-radius: var(--mo-radius-lg);
  padding: 0;
  text-align: center;
  cursor: pointer;
  transition: all var(--mo-transition);
  background: var(--mo-card);
  overflow: hidden;
}
.mo-imgup__dropzone-inner {
  padding: 40px 20px;
  transition: all var(--mo-transition);
}
.mo-imgup__dropzone:hover,
.mo-imgup__dropzone--active {
  border-color: var(--mo-accent);
  background: var(--mo-accent-light);
}
.mo-imgup__dropzone:hover .mo-imgup__dropzone-inner,
.mo-imgup__dropzone--active .mo-imgup__dropzone-inner {
  transform: scale(1.01);
}
.mo-imgup__dropzone svg { color: var(--mo-text-tertiary); margin-bottom: 12px; transition: color .2s; }
.mo-imgup__dropzone:hover svg,
.mo-imgup__dropzone--active svg { color: var(--mo-accent); }
.mo-imgup__dropzone-text { font-size: .9375rem; font-weight: 600; color: var(--mo-text); margin-bottom: 4px; }
.mo-imgup__dropzone-hint { font-size: .8125rem; color: var(--mo-text-tertiary); }
.mo-imgup__file-input { display: none; }
.mo-imgup__preview {
  display: flex; align-items: center; gap: 12px;
  margin-top: 12px; padding: 10px 14px;
  background: var(--mo-card); border: .5px solid var(--mo-border);
  border-radius: var(--mo-radius-sm); animation: moFadeIn .3s ease;
}
.mo-imgup__preview img { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
.mo-imgup__preview-info { flex: 1; min-width: 0; }
.mo-imgup__preview-name {
  display: block; font-size: .8125rem; font-weight: 500; color: var(--mo-text);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.mo-imgup__preview-size { font-size: .75rem; color: var(--mo-text-tertiary); }
.mo-imgup__preview-remove {
  width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; color: var(--mo-text-tertiary); background: none; cursor: pointer;
  transition: all .2s;
}
.mo-imgup__preview-remove:hover { background: var(--mo-danger-bg); color: var(--mo-danger-text); }
.mo-imgup__upload-bar {
  margin-top: 12px; padding: 10px 14px;
  background: var(--mo-accent-light); border-radius: var(--mo-radius-sm);
  animation: moFadeIn .3s ease;
}
.mo-imgup__upload-progress { display: flex; align-items: center; gap: 8px; font-size: .8125rem; color: var(--mo-accent); }
.mo-imgup__upload-dot {
  width: 6px; height: 6px; background: var(--mo-accent); border-radius: 50%;
  animation: moPulse 1.5s ease-in-out infinite;
}
.mo-imgup__submit {
  display: block; width: 100%; margin-top: 16px; padding: 12px;
  font-size: .9375rem; font-weight: 600; color: #fff;
  background: var(--mo-accent); border: none; border-radius: var(--mo-radius-sm);
  cursor: pointer; transition: opacity .2s, transform .15s;
}
.mo-imgup__submit:hover { opacity: .85; transform: translateY(-1px); }
.mo-imgup__submit:active { transform: translateY(0); }
.mo-imgup__submit--loading { opacity: .7; pointer-events: none; }
.mo-imgup__notice {
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px; border-radius: var(--mo-radius-sm);
  margin-bottom: 16px; font-size: .875rem; font-weight: 500;
}
.mo-imgup__notice--error {
  background: var(--mo-danger-bg); color: var(--mo-danger-text);
}
.mo-imgup__guest {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 32px 16px; color: var(--mo-text-tertiary);
  background: var(--mo-card); border-radius: var(--mo-radius);
  margin-bottom: 28px; font-size: .875rem;
}

/* Gallery section */
.mo-imgup__gallery {
  background: var(--mo-card);
  border-radius: var(--mo-radius-lg);
  padding: 20px;
}
.mo-imgup__gallery-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px;
}
.mo-imgup__gallery-title { font-size: .9375rem; font-weight: 700; }
.mo-imgup__gallery-count {
  font-size: .75rem; color: var(--mo-text-tertiary);
  background: var(--mo-bg-tertiary); padding: 3px 10px; border-radius: 100px;
}

/* Grid layout for image cards */
.mo-imgup__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 16px;
}

/* Image card */
.mo-imgup__card {
  background: var(--mo-bg);
  border: 1px solid var(--mo-border);
  border-radius: var(--mo-radius);
  overflow: hidden;
  transition: border-color .2s, box-shadow .2s;
}
.mo-imgup__card:hover {
  border-color: var(--mo-accent);
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}

.mo-imgup__card-thumb {
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--mo-bg-tertiary);
  position: relative;
}
.mo-imgup__card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease;
}
.mo-imgup__card:hover .mo-imgup__card-thumb img {
  transform: scale(1.05);
}

.mo-imgup__card-body {
  padding: 10px 12px 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.mo-imgup__card-name {
  font-size: .8125rem;
  color: var(--mo-text);
  font-family: 'SF Mono', 'Fira Code', 'Consolas', monospace;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mo-imgup__card-size {
  font-size: .75rem;
  color: var(--mo-text-tertiary);
}

.mo-imgup__card-actions {
  display: flex;
  gap: 6px;
  padding: 6px 12px 10px;
}
.mo-imgup__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--mo-radius-sm);
  border: 1px solid var(--mo-border);
  background: var(--mo-card);
  color: var(--mo-text-secondary);
  cursor: pointer;
  transition: all .2s;
  flex-shrink: 0;
}
.mo-imgup__action--copy:hover {
  border-color: var(--mo-accent);
  color: var(--mo-accent);
  background: var(--mo-accent-light);
}
.mo-imgup__action--md:hover {
  border-color: var(--mo-tip-text);
  color: var(--mo-tip-text);
  background: var(--mo-tip-bg);
}
.mo-imgup__action--delete:hover {
  border-color: var(--mo-danger-text);
  color: var(--mo-danger-text);
  background: var(--mo-danger-bg);
}
.mo-imgup__action--done {
  border-color: var(--mo-accent) !important;
  color: var(--mo-accent) !important;
  background: var(--mo-accent-light) !important;
}
.mo-imgup__delete-form {
  display: inline-flex;
}

.mo-imgup__empty {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  padding: 48px 0;
  color: var(--mo-text-tertiary);
  border: 1px dashed var(--mo-border);
  border-radius: var(--mo-radius);
}
.mo-imgup__empty svg { opacity: .4; }

@media (max-width: 480px) {
  .mo-imgup__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .mo-imgup__card-actions { padding: 4px 8px 8px; gap: 4px; }
  .mo-imgup__action { width: 28px; height: 28px; }
  .mo-imgup__card-body { padding: 8px 8px 4px; }
  .mo-imgup__dropzone-inner { padding: 28px 16px; }
}

/* Toast */
#moToastContainer {
  position: fixed; top: 80px; left: 50%; transform: translateX(-50%);
  z-index: 10000; display: flex; flex-direction: column; align-items: center; gap: 8px;
  pointer-events: none;
}
.mo-toast {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 20px; border-radius: 100px;
  font-size: .875rem; font-weight: 500;
  color: #fff; pointer-events: auto;
  box-shadow: 0 4px 24px rgba(0,0,0,0.12);
  opacity: 0; transform: translateY(-12px) scale(0.95);
  transition: all .3s cubic-bezier(0.34, 1.56, 0.64, 1);
  white-space: nowrap;
}
.mo-toast--show {
  opacity: 1; transform: translateY(0) scale(1);
}
.mo-toast--success { background: #34c759; }
.mo-toast--error { background: #ff3b30; }
.mo-toast--info { background: var(--mo-accent); }

/* ============================================
   底部自定义内容 & 主题信息
   ============================================ */

.mo-footer-custom {
  display: block;
  text-align: center;
  padding: 30px 20px 15px;
  font-size: 13px;
  color: var(--mo-text-secondary);
  clear: both;
}

.mo-credit {
  display: block;
  text-align: center;
  padding: 15px 20px 40px;
  font-size: 12px;
  color: var(--mo-text-tertiary);
  clear: both;
}
.mo-credit a {
  color: var(--mo-accent);
  text-decoration: none;
}
.mo-credit a:hover {
  opacity: 0.7;
}