/*调整全局字体大小*/
body,
html {
  font-size: 14px;
}

/*左导航悬浮sidebar-menu-inner宽度调整为90px*/
.sidebar-popup.sidebar-menu-inner > div > ul > li.sidebar-item > ul {
  position: absolute;
  top: 0px;
  left: 10px;
  width: 90px;
  z-index: 99;
}
.sidebar-popup.sidebar-menu-inner ul {
  width: 90px;
}
.sidebar-popup.sidebar-menu-inner ul li {
  width: 90px;
}

/*隐藏左导航scrollbar*/
.sidebar-menu.flex-fill::-webkit-scrollbar {
  display: none;
}

/*搜索框搜索图标颜色*/
#search button i {
  color: #6c757d;
  font-size: 18px;
}

/*顶部导航栏字体+图标颜色 - 页面顶部时完全透明*/
.big-header-banner .page-header {
  color: #ffffff;
  background: rgba(255, 255, 255, 0);
  box-shadow: none;
  transition: all 0.3s ease;
}
.big-header-banner:not(.header-bg) .page-header .navbar-nav > li > a,
.big-header-banner:not(.header-bg) .navbar-menu a:not(.dropdown-item) {
  color: #ffffff;
}
.big-header-banner:not(.header-bg) .page-header .navbar-nav > li > a:hover,
.big-header-banner:not(.header-bg) .navbar-menu a:not(.dropdown-item):hover {
  color: #3a86ff;
}
.big-header-banner:not(.header-bg) .header-mini-btn path {
  stroke: #ffffff;
}
.big-header-banner:not(.header-bg) .header-mini-btn label:hover path {
  stroke: #ffffff;
}

/*滚动后顶栏样式 - 增加透明度和模糊效果*/
.big-header-banner.header-bg .page-header {
  background: rgba(255, 255, 255, 0.1) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

/*白天模式顶部导航栏样式 - 页面顶部时透明*/
.io-grey-mode .big-header-banner .page-header {
  color: #333333;
  background: rgba(255, 255, 255, 0);
  box-shadow: none;
  transition: all 0.3s ease;
}
.io-grey-mode
  .big-header-banner:not(.header-bg)
  .page-header
  .navbar-nav
  > li
  > a,
.io-grey-mode
  .big-header-banner:not(.header-bg)
  .navbar-menu
  a:not(.dropdown-item) {
  color: #333333;
}
.io-grey-mode
  .big-header-banner:not(.header-bg)
  .page-header
  .navbar-nav
  > li
  > a:hover,
.io-grey-mode
  .big-header-banner:not(.header-bg)
  .navbar-menu
  a:not(.dropdown-item):hover {
  color: #007bff;
}
.io-grey-mode .big-header-banner:not(.header-bg) .header-mini-btn path {
  stroke: #333333;
}
.io-grey-mode
  .big-header-banner:not(.header-bg)
  .header-mini-btn
  label:hover
  path {
  stroke: #007bff;
}

/*白天模式滚动后顶栏样式 - 增加透明度和模糊效果*/
.io-grey-mode .big-header-banner.header-bg .page-header {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
}

/*确保在亮色背景下顶栏有足够的对比度*/
.io-grey-mode .big-header-banner .page-header .navbar-nav > li > a,
.io-grey-mode .big-header-banner .navbar-menu a:not(.dropdown-item),
.io-grey-mode .big-header-banner .page-header .navbar-nav > li > a i,
.io-grey-mode .big-header-banner .navbar-menu a:not(.dropdown-item) i {
  color: #333333 !important;
  text-shadow: none;
}

/*亮色背景下的一言文字颜色*/
.io-grey-mode .big-header-banner #hitokoto a {
  color: #333333 !important;
}

/*亮色背景下的天气组件文字颜色*/
.io-grey-mode .big-header-banner .weather {
  color: #333333 !important;
}

/*搜索栏字体+背景*/
.header-big #search-text {
  color: #6c757d;
}
.io-black-mode .header-big #search-text {
  color: #fff;
}

/*搜索activate图标颜色*/
.header-big .search-type input:checked + label:before {
  content: "";
  border-width: 8px 8px 0px 8px;
  border-style: solid;
  border-color: #ffffff transparent transparent;
  position: absolute;
  left: 50%;
  top: 0;
  margin-left: -8px;
}

/*主页搜索搜索框(头+底部)字体颜色*/
.header-big:not(.no-bg) .s-type-list {
  color: #20c997;
}
.header-big:not(.no-bg) .text-muted,
.header-big:not(.no-bg) .search-type .menu-item a,
.header-big:not(.no-bg) .big-title .h1 {
  color: #ffffff !important;
}

/*主页header-banner底部宽度*/
.post-top {
  padding-bottom: 50px;
}

/*左导航二级导航标题左侧距离*/
.sidebar-menu-inner ul li ul li a {
  margin-left: 30px;
}

/*头部导航二级导航iconfont图标*/
.navbar-collapse ul li.menu-item-has-children:after {
  content: "\e612";
}

/*搜索部分背景样式*/
.header-big.css-color {
  background-size: unset;
  background-position: unset;
  animation: unset;
}

/*视频背景容器*/
#search-bg {
  position: relative;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  min-height: 420px;
}
.bg-video-wrapper {
  position: absolute;
  inset: 0;
  z-index: 0;
}
#search-bg .title-container,
#search-bg .s-search {
  position: relative;
  z-index: 1;
}
.bg-video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.6s ease;
}
/* 深浅色模式下仅显示对应视频 */
.io-grey-mode .bg-video-day {
  opacity: 1;
}
.io-grey-mode .bg-video-night {
  opacity: 0;
}
.io-black-mode .bg-video-day {
  opacity: 0;
}
.io-black-mode .bg-video-night {
  opacity: 1;
}

@media (prefers-color-scheme: dark) {
  body:not(.io-grey-mode) .bg-video-day {
    opacity: 0;
  }
  body:not(.io-grey-mode) .bg-video-night {
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .bg-video {
    transition: none;
  }
}

/* 首页头图区高度 - 响应式调整 */
@media (max-width: 768px) {
  #search-bg {
    min-height: 360px;
  }
}

/* 桌面端高度提升 */
@media (min-width: 992px) {
  #search-bg {
    min-height: 520px;
  }
}

/*搜索热词样式调整*/
.search-hot-text {
  position: absolute;
  z-index: 100;
  width: 100%;
  border-radius: 0 0 10px 10px;
  background: #fff;
  box-shadow: 0px 4px 5px 0px #cccccc94;
  overflow: hidden;
}
.search-hot-text ul {
  margin: 0;
  padding: 5px 0;
}
.search-hot-text ul li {
  line-height: 30px;
  font-size: 14px;
  padding: 0px 25px;
  color: #777;
  cursor: pointer;
}
.io-black-mode .search-hot-text ul li {
  color: #fff;
}
.search-hot-text ul li.current {
  background: #f1f1f1;
  color: #3a86ff;
}
.search-hot-text ul li:hover {
  background: #f1f1f1;
  color: #3a86ff;
  cursor: pointer;
}
.search-hot-text ul li span {
  display: inline-block;
  width: 20px;
  height: 20px;
  font-size: 12px;
  line-height: 20px;
  text-align: center;
  background: #e5e5e5;
  margin-right: 10px;
  border-radius: 10px;
  color: #999;
}

footer.main-footer .footer-text {
  text-align: center;
}
footer.main-footer .footer-text a {
  color: #007bff;
}
footer.main-footer .footer-text a:hover {
  color: #3a86ff;
}

/*About页面*/
.panel .panel-body a {
  color: #007bff;
}
.panel .panel-body a:hover {
  color: #979898;
}

/*关于页面黑色主题样式*/
.io-black-mode .page-body {
  background: #1a1a1a !important;
}
.io-black-mode .main-content {
  background: #1a1a1a;
}
.io-black-mode .container {
  background: #1a1a1a;
  color: #ffffff;
}
.io-black-mode .content {
  color: #ffffff;
}
.io-black-mode .content a {
  color: #3a86ff;
}
.io-black-mode .content a:hover {
  color: #ffffff;
}
.io-black-mode .content h1,
.io-black-mode .content h2,
.io-black-mode .content h3,
.io-black-mode .content h4 {
  color: #ffffff;
}
.io-black-mode .content p {
  color: #ffffff;
}
.io-black-mode .content ul li {
  color: #ffffff;
}
.io-black-mode .content strong {
  color: #ffffff;
}
.io-black-mode main {
  background: #1a1a1a;
}

/*关于页面白天主题样式*/
.io-grey-mode .page-body {
  background: #f8f9fa !important;
}
.io-grey-mode .main-content {
  background: #f8f9fa;
}
.io-grey-mode .container {
  background: #f8f9fa;
  color: #333333;
}
.io-grey-mode .content {
  color: #333333;
}
.io-grey-mode .content a {
  color: #007bff;
}
.io-grey-mode .content a:hover {
  color: #0056b3;
}
.io-grey-mode .content h1,
.io-grey-mode .content h2,
.io-grey-mode .content h3,
.io-grey-mode .content h4 {
  color: #333333;
}
.io-grey-mode .content p {
  color: #333333;
}
.io-grey-mode .content ul li {
  color: #333333;
}
.io-grey-mode .content strong {
  color: #333333;
}
.io-grey-mode main {
  background: #f8f9fa;
}

/*关于页面美化样式*/
.about-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}

.intro-section {
  background: linear-gradient(
    135deg,
    rgba(58, 134, 255, 0.1) 0%,
    rgba(0, 123, 255, 0.1) 100%
  );
  border-radius: 15px;
  padding: 25px;
  margin: 20px 0;
  border: 1px solid rgba(58, 134, 255, 0.2);
}

.io-grey-mode .intro-section {
  background: linear-gradient(
    135deg,
    rgba(0, 123, 255, 0.1) 0%,
    rgba(58, 134, 255, 0.1) 100%
  );
  border: 1px solid rgba(0, 123, 255, 0.2);
}

.intro-text {
  font-size: 16px;
  line-height: 1.8;
  margin: 0;
  color: #ffffff;
}

.io-grey-mode .intro-text {
  color: #333333;
}

.tech-stack {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.tech-item {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 12px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.io-grey-mode .tech-item {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.tech-item:hover {
  transform: translateY(-5px);
  background: rgba(58, 134, 255, 0.1);
  border-color: rgba(58, 134, 255, 0.3);
}

.io-grey-mode .tech-item:hover {
  background: rgba(0, 123, 255, 0.1);
  border-color: rgba(0, 123, 255, 0.3);
}

.tech-item h4 {
  color: #3a86ff;
  margin: 0 0 10px 0;
  font-size: 16px;
}

.io-grey-mode .tech-item h4 {
  color: #007bff;
}

.tech-item p {
  margin: 0;
  color: #ffffff;
  font-size: 14px;
}

.io-grey-mode .tech-item p {
  color: #333333;
}

.source-section {
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  padding: 25px;
  margin: 20px 0;
}

.io-grey-mode .source-section {
  background: rgba(0, 0, 0, 0.03);
}

.source-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 15px;
}

.source-link {
  display: inline-flex;
  align-items: center;
  background: rgba(58, 134, 255, 0.1);
  color: #3a86ff;
  text-decoration: none;
  padding: 12px 20px;
  border-radius: 25px;
  border: 1px solid rgba(58, 134, 255, 0.3);
  transition: all 0.3s ease;
  font-size: 14px;
}

.io-grey-mode .source-link {
  background: rgba(0, 123, 255, 0.1);
  color: #007bff;
  border: 1px solid rgba(0, 123, 255, 0.3);
}

.source-link:hover {
  background: rgba(58, 134, 255, 0.2);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(58, 134, 255, 0.3);
}

.io-grey-mode .source-link:hover {
  background: rgba(0, 123, 255, 0.2);
  color: #ffffff;
  box-shadow: 0 5px 15px rgba(0, 123, 255, 0.3);
}

.source-icon {
  margin-right: 8px;
  font-size: 16px;
}

.about-me {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin: 20px 0;
}

.welcome-card,
.contact-card {
  background: rgba(255, 255, 255, 0.05);
  border-radius: 15px;
  padding: 25px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.3s ease;
}

.io-grey-mode .welcome-card,
.io-grey-mode .contact-card {
  background: rgba(0, 0, 0, 0.05);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.welcome-card:hover,
.contact-card:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-3px);
}

.io-grey-mode .welcome-card:hover,
.io-grey-mode .contact-card:hover {
  background: rgba(0, 0, 0, 0.08);
}

.welcome-card h4,
.contact-card h4 {
  color: #3a86ff;
  margin: 0 0 15px 0;
  font-size: 18px;
}

.io-grey-mode .welcome-card h4,
.io-grey-mode .contact-card h4 {
  color: #007bff;
}

.welcome-card p,
.contact-card p {
  margin: 0 0 15px 0;
  color: #ffffff;
  line-height: 1.6;
}

.io-grey-mode .welcome-card p,
.io-grey-mode .contact-card p {
  color: #333333;
}

.email-link {
  background: linear-gradient(135deg, #3a86ff, #007bff);
  border-radius: 25px;
  padding: 12px 20px;
  text-align: center;
  margin-top: 10px;
}

.email-link a {
  color: #ffffff !important;
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
}

.email-link a:hover {
  color: #ffffff !important;
}

.footer-note {
  text-align: center;
  margin-top: 40px;
  padding: 20px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.io-grey-mode .footer-note {
  background: rgba(0, 0, 0, 0.03);
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.footer-note p {
  margin: 0;
  color: #ffffff;
  font-style: italic;
  font-size: 16px;
}

.io-grey-mode .footer-note p {
  color: #333333;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .about-container {
    padding: 15px;
  }

  .tech-stack {
    grid-template-columns: 1fr;
  }

  .about-me {
    grid-template-columns: 1fr;
  }

  .source-links {
    flex-direction: column;
  }

  .source-link {
    justify-content: center;
  }
}

/*网格背景*/
.io-grey-mode .page-container .grid-bg {
  background-image: linear-gradient(rgba(50, 0, 0, 0.05) 1px, transparent 0),
    linear-gradient(90deg, rgba(50, 0, 0, 0.05) 1px, transparent 0);
  background-size: 15px 15px;
  background-color: #d8d8d8;
}

/*导航 Logo 图标裁剪边角*/
.url-card .url-img > img {
  border-radius: 20%;
}

/*页面标题美化样式*/
.page-title {
  background: linear-gradient(135deg, #3a86ff 0%, #007bff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  position: relative;
  animation: titleGlow 3s ease-in-out infinite alternate;
}

.page-title::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #3a86ff 0%, #007bff 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: blur(10px);
  opacity: 0.3;
  z-index: -1;
}

@keyframes titleGlow {
  0% {
    text-shadow: 0 0 20px rgba(58, 134, 255, 0.5);
  }
  100% {
    text-shadow: 0 0 30px rgba(0, 123, 255, 0.8);
  }
}

/*标题容器样式*/
.title-container {
  position: relative;
  padding: 20px 0;
  margin-bottom: 30px;
}

.title-container::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 3px;
  background: linear-gradient(90deg, transparent, #3a86ff, transparent);
  border-radius: 2px;
}