/* 非关键CSS - 异步加载 */

/* 基础布局 */
.container {
  max-width: 100%;
  padding: 0;
}

/* Navigation */
.mobile-nav-menu {
  overscroll-behavior: contain;
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width-mobile);
  height: 100%;
  background: linear-gradient(
    to bottom,
    var(--color-accent),
    var(--color-secondary)
  );
  box-shadow: var(--shadow-xl);
  z-index: var(--z-nav);
  transform: translateX(-100%);
  transition: transform var(--transition-slow);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.mobile-nav-menu .scroller {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: hidden;
  padding-bottom: 6.25rem;
}

.mobile-nav-menu.active {
  transform: translateX(0);
}

.mobile-nav-menu .nav-title {
  text-align: center;
  font-size: var(--font-size-4xl);
  margin: var(--space-8) 0 var(--space-4);
  font-weight: bold;
}

.mobile-nav-menu .nav-search {
  display: flex;
  justify-content: center;
  margin: var(--space-4) 0;
}

/* 包裹 input 和按钮 */
.mobile-nav-menu .search-wrapper {
  position: relative;
}

/* 输入框样式 */
.mobile-nav-menu .search-wrapper input {
  width: 100%;
  padding: var(--space-2) var(--space-10) var(--space-2) var(--space-2);
  border: none;
  border-radius: var(--radius-2xl);
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text);
  font-size: var(--font-size-base);
}

.mobile-nav-menu .search-wrapper input::placeholder {
  color: var(--color-text-secondary);
}

.search-wrapper input:focus {
  outline: 0.125rem solid rgba(255, 255, 255, 0.3);
  outline-offset: 0.125rem;
}

/* 搜索按钮（图标）样式 */
.mobile-nav-menu .search-wrapper button {
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--color-text);
  font-size: 1rem;
  cursor: pointer;
  padding: 0 var(--space-2);
}

.mobile-nav-menu .search-wrapper button:hover {
  color: rgba(255, 255, 255, 0.8);
}

.mobile-nav-menu .nav-content {
  margin-top: 1rem;
}

.mobile-nav-menu .nav-content .menu {
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}

.mobile-nav-menu .nav-content li {
  list-style: none;
  padding: 0;
}

.mobile-nav-menu .nav-content li a {
  padding: 0.5rem 1.75rem;
  position: relative;
  display: block;
  font-size: var(--font-size-2xl);
  text-align: center;
  font-weight: 300;
  -webkit-transition: color 0.2s linear;
  -moz-transition: color 0.2s linear;
  -ms-transition: color 0.2s linear;
  -o-transition: color 0.2s linear;
  transition: color 0.2s linear;
}

.mobile-nav-menu .side-toolbar {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  background-color: #131313;
  padding-top: 1rem;
  padding-bottom: env(safe-area-inset-bottom);
}

.mobile-nav-menu .side-toolbar .side-toolbar-list {
  text-align: center;
}

.mobile-nav-menu .side-toolbar .side-toolbar-list li {
  display: inline-block;
  margin: 0 0.25rem;
  line-height: 3.625rem;
}

.mobile-nav-menu .side-toolbar .side-toolbar-list li a {
  display: inline-block;
  align-items: center;
  padding: var(--space-4);
  border-radius: 100%;
  background: #2c2a2a;
  color: #ccc;
}

.mobile-nav-menu .side-toolbar .side-toolbar-list li a .icon {
  width: 1.5rem;
}

.page-navigator {
  display: flex;
  align-items: center;
  justify-content: space-around;
  padding: 0;
  margin: 2.875rem 1rem 1.25rem 1rem;
  height: 2.625rem;
}

.page-navigator > .prev {
  border: 1px solid var(--color-border-primary) !important;
  border-radius: var(--radius-xl);
  display: inline-block;
}

.page-navigator .page-size {
  display: inline-block;
  color: var(--color-text-secondary);
}

.page-navigator .page-input-li.jump-to-page-li {
  display: flex;
  align-items: center;
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
  list-style: none;
}

.page-navigator .jump-to-label {
  color: var(--color-text);
  white-space: nowrap;
  margin-right: var(--space-3);
  font-size: var(--font-size-base);
}

.page-navigator .page-jumper-input {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-text-secondary);
  background-color: transparent;
  border-radius: var(--radius-base);
  font-size: var(--font-size-2xl);
  color: var(--color-text);
  text-align: center;
}

.page-navigator > .next {
  border: 1px solid var(--color-border-primary) !important;
  border-radius: var(--radius-xl);
  display: inline-block;
}

/* Main Content */
main {
  min-height: 60%;
}

.content-list {
  display: flex;
  flex-direction: column;
}

.article {
  display: flex;
  align-items: center;
  border-radius: var(--radius-base);
  padding: var(--space-2) 0;
  transition: all var(--transition-base);
  cursor: pointer;
  border-width: 0px;
  border-style: initial;
  border-color: initial;
  border-image: initial;
  border-radius: 0px;
  background: 0px center;
  width: 100%;
}

.article .post-card {
  position: relative;
  border-radius: 0.4;
  overflow: hidden;
  transition: 0.3s;
  width: 100%;
  overflow: hidden;
}

.article .post-card-mask {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #fff;
  text-align: center;
  background: rgba(0, 0, 0, 0.2);
  z-index: 1;
  box-sizing: border-box;
  height: 100%;
}

.article .post-card-mask .post-card-container {
  padding: 20px 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
}

.article img {
  width: 100%;
  display: block;
  object-fit: cover;
  border-radius: 0.2rem;
}

.article h2 {
  font-size: var(--font-size-xl);
  margin-bottom: var(--space-2);
  line-height: var(--line-height-tight);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  font-weight: 400 !important;
}

.content-detail .container {
  padding: var(--space-3) var(--space-3) 0 var(--space-3);
}

.content-detail .container h1 {
  font-weight: 300;
  text-align: center;
  margin-bottom: 1rem;
}

.content-detail .container .post-meta {
  color: #aaa;
  padding: 0;
  list-style: none;
  margin-bottom: 1.25rem;
  text-align: center;
  font-size: 0.875rem;
}

.content-detail .container .post-meta li {
  display: inline-block;
  margin-bottom: 0.9375rem;
  padding: 0;
  white-space: nowrap;
}

.content-detail .post-content {
  color: #bcbcbc;
  word-wrap: break-word;
  line-height: 1.8;
  letter-spacing: 0.013rem;
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
}

.content-detail .post-content p {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

.content-detail .post-content p img {
  border: 0;
  max-width: 100%;
  display: block;
  margin: 1.25rem auto;
}

.content-detail .tags {
  clear: both;
  display: flex;
  flex-basis: auto;
  margin-top: 0.9375rem;
  padding: 0.625rem var(--space-3) 0 var(--space-3);
  min-height: 2rem;
  line-height: 1.4375;
  font-size: var(--font-size-base);
  color: #777;
}

.content-detail .tags .keywords {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  margin-right: auto;
}

.content-detail .tags .keywords > a {
  margin-right: 0.5rem;
  margin-top: 0.5rem;
  padding: 0.5rem 1rem;
  border-radius: 1rem;
  font-size: var(--font-size-sm);
  background: #343232;
  color: #bcbcbc;
  font-weight: 400;
}

.content-detail .tags .modify-time {
  color: #bcbcbc;
  margin-top: 1rem;
  display: flex;
  flex-direction: row;
  white-space: nowrap;
}

/* Footer */
.bottom-nav {
  width: 100%;
  display: flex;
  justify-content: space-around;
  flex-direction: column;
  padding: 0 var(--space-2) var(--space-1);
  transition: transform var(--transition-slow);
}

.bottom-nav div {
  text-align: center;
  font-size: var(--font-size-xs);
}

.footer-menu-bar {
  margin-top: 2rem;
  display: flex;
  flex-wrap: nowrap;
  justify-content: space-between;
  padding: 2rem 0 1rem;
  border-top: 1px solid #ffffff1a;
}

.footer-menu-bar .icon-item {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.footer-menu-bar .icon-item .icon {
  width: 2.2rem;
}

.footer-menu-bar .icon-item .icon-item-label {
  margin-top: var(--space-1);
}

.footer-section {
  padding: 2rem 0;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--color-text-secondary);
}

.footer-section p {
  text-align: left;
}

.footer-section .footer-title {
  color: var(--color-text);
  margin-left: var(--space-2);
  font-weight: 600;
}

.footer-section .footer-content {
  padding: 1rem 0;
  color: var(--color-text-secondary);
  margin-left: var(--space-2);
}

.footer-section .permanent-domain {
  color: var(--color-text-secondary);
  margin-left: var(--space-2);
}

.footer-section .permanent-domain a {
  color: var(--color-secondary);
}

.footer-section .category-list {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  color: var(--color-secondary);
}

.footer-section .category-list .category-item {
  padding: var(--space-1) var(--space-2);
  list-style: none;
}

.footer-section .footer-content-label {
  text-align: left;
  margin-top: var(--space-1);
  margin-left: var(--space-2);
}

.footer-section .often-action {
  display: flex;
  flex-wrap: wrap;
  list-style: none;
  color: var(--color-secondary);
}

.footer-section .often-action .often-action-item {
  padding: var(--space-1) var(--space-2);
  list-style: none;
}

.footer-section .copy-right {
  color: var(--color-text-secondary);
}

.bottom-nav .copy-right a {
  color: var(--color-secondary);
}

.bottom-nav .sitemap-wrap a {
  color: var(--color-secondary);
}

/* ================================
   响应式布局调整
   ================================ */

/* 移动端样式 - 768px及以下 */
@media (max-width: 768px) {
  body.menu-open {
    overflow: hidden !important;
    touch-action: none;
  }

  body.menu-open .site-wrapper {
    transform: translateX(var(--nav-width-mobile)) !important;
    overflow: hidden;
  }

  body.menu-open .bottom-nav {
    transform: translateX(var(--nav-width-mobile)) !important;
  }

  .content-detail .post-content p {
    font-size: var(--font-size-lg) !important;
  }

  .content-detail .post-content p span {
    font-size: var(--font-size-lg) !important;
  }

  .page-navigator {
    margin-top: 2rem;
  }

  .page-navigator .page-input-li.jump-to-page-li {
    align-items: center;
    font-size: var(--font-size-xl);
  }

  .page-navigator .page-jumper-input {
    width: 100%;
    box-sizing: border-box;
    text-align: center;
    font-size: var(--font-size-x);
  }

  .page-navigator > .prev {
    padding: var(--space-1) var(--space-3);
  }

  .page-navigator > .next {
    padding: var(--space-1) var(--space-3);
  }

  .footer-section .footer-title {
    font-size: var(--font-size-base);
  }

  .footer-section .permanent-domain {
    font-size: var(--font-size-base);
  }

  .footer-section .footer-content {
    font-size: var(--font-size-base);
  }

  .footer-section .category-list {
    font-size: var(--font-size-base);
  }

  .footer-section .footer-content-label {
    font-size: var(--font-size-base);
  }

  .footer-section .often-action .often-action-item {
    font-size: var(--font-size-base);
  }

  .article {
    flex-direction: column;
    align-items: flex-start;
    padding: var(--space-3);
    width: 100%;
  }

  .article img {
    width: 100%;
    margin-right: 0;
  }

  .article .info {
    width: 100%;
  }
}

/* 中等屏幕宽度样式 - 675px及以上 */
@media (min-width: 675px) {
  main,
  footer,
  .footer-section,
  .footer-menu-bar,
  .bottom-nav {
    max-width: 675px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }
}

/* 桌面端样式 - 769px及以上 */
@media (min-width: 769px) {
  main,
  footer,
  .footer-section,
  .footer-menu-bar,
  .bottom-nav {
    max-width: 675px;
    margin-left: auto;
    margin-right: auto;
    width: 100%;
  }

  .mobile-nav-menu {
    display: none;
  }

  .main-content {
    padding-top: var(--header-height);
  }

  .main-content .inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    width: 100%;
    height: auto;
    text-align: center;
    color: #fff;
    background-color: transparent !important;
  }

  .main-content .inner .blog-title {
    font-weight: 400;
    font-size: 1.75rem;
    padding-top: var(--space-3);
    margin: 0 auto;
  }

  .page-navigator > .prev {
    padding: var(--space-2) var(--space-6);
  }

  .page-navigator > .next {
    padding: var(--space-2) var(--space-6);
  }

  .page-navigator .page-size {
    font-size: var(--font-size-lg);
  }

  .footer-section .footer-title {
    font-size: var(--font-size-xl);
  }

  .footer-section .permanent-domain {
    font-size: var(--font-size-xl);
  }

  .footer-section .footer-content {
    font-size: var(--font-size-xl);
  }

  .footer-section .category-list {
    font-size: var(--font-size-xl);
  }

  .footer-section .footer-content-label {
    font-size: var(--font-size-xl);
  }

  .footer-section .often-action .often-action-item {
    font-size: var(--font-size-xl);
  }

  .site-wrapper {
    display: block;
  }

  .content-list {
    display: flex;
    flex-direction: column;
    padding: 0;
  }

  .article {
    flex-direction: column;
    height: 100%;
    padding: var(--space-4);
    width: 100%;
  }

  .article img {
    width: 100%;
    margin-right: 0;
  }

  .article .info {
    flex: none;
    width: 100%;
  }
}

/* 特殊 - 376px到769px */
@media (min-width: 376px) and (max-width: 769px) {
  .footer-section .footer-title {
    font-size: var(--font-size-xl);
  }

  .footer-section .footer-content {
    font-size: var(--font-size-xl);
  }

  .footer-section .permanent-domain {
    font-size: var(--font-size-xl);
  }

  .footer-section .category-list {
    font-size: var(--font-size-xl);
  }

  .footer-section .footer-content-label {
    font-size: var(--font-size-xl);
  }

  .footer-section .often-action .often-action-item {
    font-size: var(--font-size-xl);
  }
}

/* 平板端 - 769px到1024px */
@media (min-width: 769px) and (max-width: 1024px) {
  .content-list {
    display: flex;
    flex-direction: column;
    padding: 0;
  }

  .article h2 {
    font-size: var(--font-size-xl);
    font-weight: 400 !important;
  }
}

/* 大桌面端 - 1025px及以上 */
@media (min-width: 1025px) {
  main#mainContent {
    width: 875px !important;
    max-width: 875px !important;
    margin: 0 auto !important;
    padding: 0 !important;
  }

  footer {
    width: 875px !important;
    max-width: 875px !important;
    margin: 0 auto !important;
  }

  .footer-section {
    width: 875px !important;
    max-width: 875px !important;
    margin: 0 auto !important;
  }

  .footer-menu-bar {
    width: 875px !important;
    max-width: 875px !important;
    margin: 0 auto !important;
  }

  .bottom-nav {
    width: 875px !important;
    max-width: 875px !important;
    margin: 0 auto !important;
  }

  .container {
    width: 100%;
    margin: 0 auto;
  }

  .article h2 {
    font-size: var(--font-size-2xl);
    font-weight: 400 !important;
  }
}

/* 懒加载类 */
.lazy-load {
  opacity: 0;
  transition: opacity var(--transition-base);
}

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

/* 加载状态 */
.skeleton {
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.1) 25%,
    rgba(255, 255, 255, 0.2) 50%,
    rgba(255, 255, 255, 0.1) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
}

@keyframes loading {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

/* 高对比度模式支持 */
@media (prefers-contrast: high) {
  :root {
    --color-text: #ffffff;
    --color-text-secondary: #ffffff;
    --color-border: rgba(255, 255, 255, 0.3);
  }
}

/* 减少动画模式支持 */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .site-wrapper,
  nav,
  .overlay,
  main,
  .bottom-nav {
    transition: none;
  }
}