/* ========================================
   CSS Variables
   ======================================== */

:root {
  --ink: #2c2c2c;
  --ink-light: #6b6b6b;
  --paper: #faf8f5;
  --paper-dark: #f0ece6;
  --vermilion: #c45c48;
  --warm-gray: #d4cfc7;
  --charcoal: #3d3d3d;
  --font-serif: 'Noto Serif SC', 'Songti SC', 'STSong', serif;
  --font-sans: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'Geist Mono', 'SF Mono', 'Fira Code', monospace;
}

/* ========================================
   Reset & Base
   ======================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-weight: 400;
  line-height: 1.8;
  color: var(--ink);
  background: var(--paper);
}

/* Paper Texture Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9998;
  opacity: 0.4;
  background-image: url("data:image/svg+xml,%3Csvg width='100' height='100' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='paper'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.5' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paper)' opacity='0.08'/%3E%3C/svg%3E");
}

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

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

/* ========================================
   Layout
   ======================================== */

.narrow-container {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
}

.reading-container {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 2rem;
}

.page-padded {
  padding-top: 8rem;
  padding-bottom: 6rem;
}

/* ========================================
   Navigation
   ======================================== */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease, box-shadow 0.3s ease;
}

.navbar.scrolled {
  background: rgba(250, 248, 245, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.04);
}

.nav-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.05em;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  font-size: 0.9375rem;
  color: var(--ink);
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--vermilion);
  transition: width 0.3s ease;
}

.nav-link:hover {
  color: var(--vermilion);
}

.nav-link:hover::after {
  width: 100%;
}

.nav-link.active {
  color: var(--vermilion);
}

.nav-link.active::after {
  width: 100%;
}

.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
}

.search-toggle:hover {
  color: var(--vermilion);
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.25rem;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: all 0.3s ease;
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(4.5px, 4.5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(4.5px, -4.5px);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(250, 248, 245, 0.98);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.mobile-menu.active {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-link {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  color: var(--ink);
  transition: color 0.3s ease;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.3s ease, transform 0.3s ease, color 0.3s ease;
}

.mobile-menu.active .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}

.mobile-menu.active .mobile-nav-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.active .mobile-nav-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu.active .mobile-nav-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.active .mobile-nav-link:nth-child(4) { transition-delay: 0.2s; }

.mobile-nav-link:hover {
  color: var(--vermilion);
}

/* ========================================
   Search Box
   ======================================== */

.search-box {
  position: fixed;
  top: 60px;
  left: 0;
  width: 100%;
  background: var(--paper);
  border-bottom: 1px solid var(--warm-gray);
  z-index: 998;
  display: none;
  padding: 1rem 0;
}

.search-box.active {
  display: block;
}

.search-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.search-inner svg {
  color: var(--ink-light);
  flex-shrink: 0;
}

#searchInput {
  flex: 1;
  border: none;
  border-bottom: 1px solid transparent;
  background: transparent;
  font-family: var(--font-sans);
  font-size: 1.125rem;
  color: var(--ink);
  padding: 0.5rem 0;
  outline: none;
  transition: border-color 0.3s ease;
}

#searchInput:focus {
  border-bottom-color: var(--vermilion);
}

#searchInput::placeholder {
  color: var(--warm-gray);
}

.search-close {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--ink-light);
  padding: 0.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.3s ease;
  flex-shrink: 0;
}

.search-close:hover {
  color: var(--vermilion);
}

/* ========================================
   Hero
   ======================================== */

.hero {
  height: 420px;
  max-height: 420px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.hero-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(44, 44, 44, 0.45);
  z-index: 1;
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  padding: 0 2rem;
}

.hero-greeting {
  font-size: 0.875rem;
  color: rgba(250, 248, 245, 0.75);
  letter-spacing: 0.15em;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: 0.2em;
  line-height: 1.2;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.hero-subtitle {
  font-size: 1rem;
  color: rgba(250, 248, 245, 0.8);
  margin-top: 0.25rem;
  min-height: 1.8em;
  letter-spacing: 0.1em;
}

/* ========================================
   Section Title Bar
   ======================================== */

.section-title-bar {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  border-left: 3px solid var(--vermilion);
  padding-left: 1rem;
  margin-bottom: 2.5rem;
  line-height: 1.4;
}

/* ========================================
   Home Articles
   ======================================== */

.home-articles {
  padding: 8rem 0;
  background: var(--paper);
}

.home-article-item {
  display: grid;
  grid-template-columns: 80px 1fr auto;
  gap: 1.5rem;
  align-items: start;
  padding: 1.75rem 0;
  border-bottom: 1px solid var(--warm-gray);
  cursor: pointer;
  position: relative;
  transition: padding-left 0.3s ease;
}

.home-article-item:first-child {
  border-top: 1px solid var(--warm-gray);
}

.home-article-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 1.75rem;
  bottom: 1.75rem;
  width: 3px;
  background: var(--vermilion);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.home-article-item:hover::before {
  opacity: 1;
}

.home-article-item:hover {
  padding-left: 0.75rem;
}

.home-article-item:hover .hai-title {
  color: var(--vermilion);
}

.hai-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-light);
  line-height: 1.6;
  padding-top: 0.25rem;
}

.hai-body {
  min-width: 0;
}

.hai-title {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0.375rem;
  transition: color 0.3s ease;
}

.hai-excerpt {
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.hai-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--ink-light);
  border: 1px solid var(--warm-gray);
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
  white-space: nowrap;
  margin-top: 0.25rem;
}

.view-all {
  margin-top: 2rem;
  text-align: center;
}

.view-all-link {
  font-size: 0.9375rem;
  color: var(--ink-light);
  transition: color 0.3s ease;
}

.view-all-link:hover {
  color: var(--vermilion);
}

.view-all-link .arrow {
  transition: transform 0.3s ease;
  display: inline-block;
}

.view-all-link:hover .arrow {
  transform: translateX(4px);
}

/* ========================================
   Tag Cloud
   ======================================== */

.tag-cloud-section {
  padding: 0 0 8rem;
  background: var(--paper);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.tag-item {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid var(--warm-gray);
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  color: var(--ink);
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.25s ease;
  background: transparent;
}

.tag-item:hover {
  background: var(--vermilion);
  color: var(--paper);
  border-color: var(--vermilion);
}

.tag-count {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  opacity: 0.6;
}

/* ========================================
   Footer
   ======================================== */

.footer {
  background: var(--paper-dark);
  padding: 4rem 0;
  border-top: 1px solid var(--warm-gray);
}

.footer-inner {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 2rem;
  text-align: center;
}

.footer-name {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: 0.1em;
}

.footer-desc {
  font-size: 0.875rem;
  color: var(--ink-light);
  margin-bottom: 1.5rem;
}

.footer-social {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.footer-social a {
  font-size: 0.875rem;
  color: var(--ink-light);
  transition: color 0.3s ease;
}

.footer-social a:hover {
  color: var(--vermilion);
}

.footer-copyright {
  font-size: 0.75rem;
  color: var(--warm-gray);
  font-family: var(--font-mono);
}

/* ========================================
   Page Titles
   ======================================== */

.page-title {
  font-family: var(--font-serif);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 0.5rem;
  letter-spacing: 0.05em;
}

.page-subtitle {
  font-size: 0.875rem;
  color: var(--ink-light);
  margin-bottom: 2rem;
  font-family: var(--font-mono);
}

/* ========================================
   Articles Page
   ======================================== */

.articles-filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.filter-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-light);
  border: 1px solid var(--warm-gray);
  padding: 0.375rem 0.75rem;
  border-radius: 2px;
  cursor: pointer;
  background: transparent;
  transition: all 0.25s ease;
}

.filter-tag:hover {
  border-color: var(--vermilion);
  color: var(--vermilion);
}

.filter-tag.active {
  background: var(--vermilion);
  color: var(--paper);
  border-color: var(--vermilion);
}

.articles-list .article-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--warm-gray);
  cursor: pointer;
  position: relative;
  transition: padding-left 0.3s ease;
}

.articles-list .article-row:first-child {
  border-top: 1px solid var(--warm-gray);
}

.articles-list .article-row::before {
  content: '';
  position: absolute;
  left: 0;
  top: 2rem;
  bottom: 2rem;
  width: 3px;
  background: var(--vermilion);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.articles-list .article-row:hover::before {
  opacity: 1;
}

.articles-list .article-row:hover {
  padding-left: 0.75rem;
}

.articles-list .article-row:hover .ar-title {
  color: var(--vermilion);
}

.ar-thumb-wrapper {
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 16 / 10;
}

.ar-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.article-row:hover .ar-thumb {
  transform: scale(1.04);
}

.ar-body {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.ar-meta {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 0.5rem;
}

.ar-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-light);
}

.ar-category {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--vermilion);
  border: 1px solid rgba(196, 92, 72, 0.3);
  padding: 0.125rem 0.5rem;
  border-radius: 2px;
}

.ar-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0.5rem;
  transition: color 0.3s ease;
}

.ar-excerpt {
  font-size: 0.875rem;
  color: var(--ink-light);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.no-results {
  text-align: center;
  padding: 4rem 0;
  color: var(--ink-light);
  font-size: 0.9375rem;
}

/* ========================================
   Article Detail
   ======================================== */

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.875rem;
  color: var(--ink-light);
  background: none;
  border: none;
  cursor: pointer;
  margin-bottom: 2rem;
  padding: 0.25rem 0;
  transition: color 0.3s ease;
  font-family: var(--font-sans);
}

.btn-back:hover {
  color: var(--vermilion);
}

.article-header {
  margin-bottom: 2.5rem;
}

.article-detail-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--vermilion);
  margin-bottom: 0.75rem;
  display: inline-block;
  border: 1px solid rgba(196, 92, 72, 0.3);
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
}

.article-detail-title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.4;
  margin-bottom: 0.75rem;
  letter-spacing: 0.02em;
}

.article-detail-meta {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-light);
}

.article-detail-image {
  width: 100%;
  border-radius: 2px;
  margin-bottom: 2.5rem;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.article-body {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink);
}

.article-body p {
  margin-bottom: 1.75rem;
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--ink);
  margin: 2.5rem 0 1rem;
  letter-spacing: 0.02em;
}

.article-body blockquote {
  border-left: 3px solid var(--vermilion);
  padding-left: 1.5rem;
  margin: 2rem 0;
  color: var(--ink-light);
  font-style: italic;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  background: var(--paper-dark);
  padding: 0.125rem 0.375rem;
  border-radius: 2px;
}

.article-body pre {
  background: var(--paper-dark);
  padding: 1.25rem;
  border-radius: 2px;
  overflow-x: auto;
  margin: 1.5rem 0;
}

.article-body pre code {
  background: none;
  padding: 0;
}

.article-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--warm-gray);
}

.detail-tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ink-light);
  border: 1px solid var(--warm-gray);
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
}

.article-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--warm-gray);
}

.article-nav-prev,
.article-nav-next {
  cursor: pointer;
  transition: opacity 0.3s ease;
}

.article-nav-prev:hover,
.article-nav-next:hover {
  opacity: 0.7;
}

.article-nav-next {
  text-align: right;
}

.an-label {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  color: var(--warm-gray);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.375rem;
}

.an-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
  line-height: 1.4;
}

/* ========================================
   Archive Page
   ======================================== */

.archive-content {
  position: relative;
  z-index: 1;
}

.archive-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

.archive-year {
  margin-bottom: 3rem;
}

.archive-year-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--warm-gray);
}

.archive-item {
  display: flex;
  align-items: baseline;
  gap: 1.25rem;
  padding: 0.75rem 0;
  cursor: pointer;
  transition: padding-left 0.3s ease;
}

.archive-item:hover {
  padding-left: 0.5rem;
}

.archive-item:hover .archive-item-title {
  color: var(--vermilion);
}

.archive-item-date {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--ink-light);
  white-space: nowrap;
  min-width: 3.5rem;
}

.archive-item-title {
  font-family: var(--font-serif);
  font-size: 1rem;
  color: var(--ink);
  transition: color 0.3s ease;
  line-height: 1.5;
}

/* ========================================
   About Page
   ======================================== */

.about-card {
  text-align: center;
  padding-top: 1rem;
}

.about-avatar-wrapper {
  margin-bottom: 1.5rem;
}

.about-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto;
  border: 3px solid var(--warm-gray);
}

.signature-wrapper {
  display: flex;
  justify-content: center;
  margin-bottom: 2rem;
  height: 50px;
}

.signature-svg {
  width: 200px;
  height: 80px;
}

.signature-path {
  stroke-dasharray: 500;
  stroke-dashoffset: 500;
}

.signature-wrapper.animate .signature-path {
  animation: sigWrite 4s cubic-bezier(0.77, 0, 0.175, 1) forwards;
}

@keyframes sigWrite {
  to {
    stroke-dashoffset: 0;
  }
}

.about-text {
  max-width: 520px;
  margin: 0 auto 2.5rem;
  text-align: left;
}

.about-text p {
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--ink);
  margin-bottom: 1.25rem;
}

.about-contact {
  text-align: center;
}

.about-contact h3 {
  font-family: var(--font-serif);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 1rem;
}

.about-contact p {
  margin-bottom: 0.5rem;
}

.about-contact a {
  font-size: 0.9375rem;
  color: var(--ink-light);
  transition: color 0.3s ease;
}

.about-contact a:hover {
  color: var(--vermilion);
}

/* ========================================
   Fade-in Animation
   ======================================== */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
   Responsive
   ======================================== */

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .hero-title {
    font-size: 2.2rem;
    letter-spacing: 0.15em;
  }

  .hero {
    height: 320px;
    max-height: 320px;
  }

  .narrow-container,
  .reading-container,
  .nav-inner {
    padding: 0 1.25rem;
  }

  .home-article-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .hai-date {
    font-size: 0.6875rem;
  }

  .hai-tag {
    display: none;
  }

  .articles-list .article-row {
    grid-template-columns: 100px 1fr;
    gap: 1rem;
  }

  .ar-title {
    font-size: 1.05rem;
  }

  .ar-excerpt {
    display: none;
  }

  .article-detail-title {
    font-size: 1.5rem;
  }

  .article-nav {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .article-nav-next {
    text-align: left;
  }

  .home-articles,
  .tag-cloud-section {
    padding: 4rem 0;
  }

  .page-padded {
    padding-top: 6rem;
  }
}

.load-more-wrap {
  text-align: center;
  margin-top: 30px;
}

.load-more-btn {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 48px;
  background: transparent;
  border: 1px solid #1a1a1a;
  color: #1a1a1a;
  font-size: 13px;
  letter-spacing: 0.2em;
  cursor: pointer;
  transition: all 0.4s ease;
  position: relative;
  overflow: hidden;
}

.load-more-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 0;
  height: 100%;
  background: #1a1a1a;
  transition: width 0.4s ease;
  z-index: 0;
}

.load-more-btn:hover {
  color: #f5f3f0;
}

.load-more-btn:hover::before {
  width: 100%;
}

.load-more-btn .btn-text,
.load-more-btn .btn-loading {
  position: relative;
  z-index: 1;
}

.load-more-btn .btn-loading {
  display: none;
  gap: 6px;
}

.load-more-btn.loading .btn-text {
  display: none;
}

.load-more-btn.loading .btn-loading {
  display: flex;
}

.load-more-btn.loading {
  pointer-events: none;
}

/* 加载圆点动画 */
.loading-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #1a1a1a;
  animation: loadingBounce 0.6s ease-in-out infinite alternate;
}

.load-more-btn.loading .loading-dot {
  background: #f5f3f0;
}

.loading-dot:nth-child(2) {
  animation-delay: 0.15s;
}

.loading-dot:nth-child(3) {
  animation-delay: 0.3s;
}

@keyframes loadingBounce {
  from {
    transform: translateY(0);
    opacity: 0.4;
  }
  to {
    transform: translateY(-6px);
    opacity: 1;
  }
}

.load-more-end {
  font-size: 13px;
  color: #999;
  letter-spacing: 0.1em;
}