body {
      margin: 0;
      font-family: 
      "Noto Sans JP",
      "Noto Sans SC",
      "Noto Sans TC",
      "Noto Sans KR",
      "Noto Sans",
      "Arial",
      sans-serif;
      background: #0b0b15;
      color: #fff;
    }

    /* ====== 顶栏 ====== */
    header {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 40px;
      background: rgba(0,0,0,0.85);
      position: sticky;
      top: 0;
      z-index: 999;
    }
    header h1 {
      font-size: 1.5rem;
      letter-spacing: 2px;
      margin: 0;
    }
    nav ul {
      list-style: none;
      display: flex;
      gap: 25px;
      margin: 0;
      padding: 0;
    }
    nav ul li a {
      color: #fff;
      text-decoration: none;
      font-size: 0.95rem;
      transition: color 0.3s;
    }
    nav ul li a:hover {
      color: #c5a4ff;
    }

    /* ====== section 公共 ====== */
    section {
      padding: 60px 8%;
    }
    section h2 {
      font-size: 1.8rem;
      margin-bottom: 30px;
      border-bottom: 2px solid rgba(255,255,255,0.2);
      display: inline-block;
      padding-bottom: 5px;
    }

/* ====== Profile Container ====== */
.profile-container {
  display: flex;
  align-items: flex-start;   /* 让侧边栏和正文顶部对齐 */
  gap: 20px;                 /* 正文与侧边栏间距 */
  position: relative;        /* 确保内部元素相对定位参考 */
}

/* 正文部分 */
.profile-content {
  flex: 1 1 0;
  order: 1;
}

/* ====== 知识框 Sidebar ====== */
.profile-sidebar {
  flex: 0 0 auto;
  min-width: 240px;
  max-width: 300px;
  width: fit-content;
  padding: 25px;
  background-color: #fff;
  color: #333;
  border-radius: 12px;
  text-align: center;
  font-size: 0.9rem;
  box-shadow: 0 8px 20px rgba(0,0,0,0.15);
  z-index: 10;
  order: 2;

/* 允许容器根据内容自适应高度 */
max-height: none; /* 或直接删除 max-height */
overflow: visible; /* 默认值，可省略 */

  /* 保持顶部对齐，但随正文整体滚动 */
  align-self: flex-start;

  animation: floatSidebar 6s ease-in-out infinite; /* 漂浮动画 */
  transition: width 0.3s ease;  /* 宽度变化过渡 */
}

/* 头像 */
.profile-pic {
  width: 100%;
  border-radius: 12px;
  margin-bottom: 15px;
  object-fit: cover;
}

/* 图片注释 */
.profile-caption p:first-child { 
  font-size: 1rem; 
  color: #181818; 
  margin: 0; 
}
.profile-caption p:last-child { 
  font-size: 0.75rem; 
  color: #777; 
  margin: 2px 0 10px 0; 
}

/* 信息表格 */
.profile-info {
  width: 100%;
  border-collapse: collapse;
}

/* 表格行：标题和内容横向显示 */
.profile-info tr {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  word-break: break-word;
}

/* 表格标题 */
.profile-info th {
  text-align: left;
  font-weight: bold;
  color: #000;
  margin-right: 10px;
  white-space: nowrap;
}

/* 表格内容 */
.profile-info td {
  text-align: right;
  color: #1e1d1d;
  word-wrap: break-word;
}

/* 分隔线 */
.profile-info tr + tr {
  border-top: 1px solid rgba(0,0,0,0.1);
}

/* 响应式：窄屏隐藏 */
@media(max-width: 900px){
  .profile-sidebar { display: none; }
}

/* ====== 漂浮动画 ====== */
@keyframes floatSidebar {
  0%   { transform: translateY(0px); }
  25%  { transform: translateY(-3px); }
  50%  { transform: translateY(0px); }
  75%  { transform: translateY(3px); }
  100% { transform: translateY(0px); }
}

/* ====== 专辑唱片目录 ====== */
.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 60px; 
}

.album-card {
  width: 400px; 
  flex: 0 0 auto;
  text-align: center;
  color: white;
}

.album-cover {
  position: relative;
  width: 100%;
  height: 400px; 
  border-radius: 12%; /* 圆角 */
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.album-cover:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6); 
}

.album-title {
  margin-top: 16px; 
  font-size: 1.8rem; 
  font-weight: bold;
  color: #fff;
}

#albums a h2 {
  color: #fff !important;
  text-decoration: none !important;
  cursor: pointer;
}

/* ====== 专辑漂浮动画 ====== */
@keyframes float-album {
  0% { transform: translate(0px, 0px); }
  20% { transform: translate(2px, -2px); }
  40% { transform: translate(-1px, 1px); }
  60% { transform: translate(1px, -1px); }
  80% { transform: translate(-2px, 2px); }
  100% { transform: translate(0px, 0px); }
}

/* 每张专辑随机漂浮 */
.album-card {
  animation: float-album 6s ease-in-out infinite;
  /* 随机延迟，避免同步 */
}
.album-card:nth-child(1) { animation-delay: 0s; }
.album-card:nth-child(2) { animation-delay: 1.5s; }
.album-card:nth-child(3) { animation-delay: 0.8s; }
.album-card:nth-child(4) { animation-delay: 2.3s; }
.album-card:nth-child(5) { animation-delay: 1.1s; }

    /* ====== MV区域 ====== */
    .video-grid {
      display: flex;
      gap: 20px;
      overflow-x: auto;/* 横向滚动 */
      scroll-snap-type: x mandatory;
      padding: 10px 0;
      -ms-overflow-style: none;
      scrollbar-width: none;
    }
   .video-grid::-webkit-scrollbar {
      display: none;
    }
   .video-grid iframe {
      flex: 0 0 70%;
      max-width: 800px;/* 限制最大宽度 */
      aspect-ratio: 16/9;
      border-radius: 12px;
      border: none;
      scroll-snap-align: center;
      box-shadow: 0 4px 12px rgba(0,0,0,0.2); /* 轻微阴影 */
      transition: transform 0.3s ease, box-shadow 0.3s ease;
   }
    .video-grid iframe:hover {
      transform: scale(1.03);
      box-shadow: 0 6px 20px rgba(0,0,0,0.3); /* 悬停时放大+阴影 */
    }
    .mv-logo img {
      transition: transform 0.3s ease; /* 平滑过渡 */
    }

    .mv-logo:hover img {
      transform: scale(1.15); /* 放大比例，可调 */
    }


    /* ====== 曲目予告区域 ====== */
    .video-preview {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .video-preview iframe {
      width: 100%;
      aspect-ratio: 16/9;
      border-radius: 12px;
      border: none;
      transition: transform 0.3s ease, box-shadow 0.3s ease; /* 平滑过渡 */
    }

    .video-preview iframe:hover {
      transform: scale(1.015); /* 小幅度平衡放大 */
      box-shadow: 0 4px 15px rgba(0,0,0,0.25); /* 阴影更柔和 */
    }

  /* 外层容器：自然撑开 */
  .news-container {
    display: flex;
    flex-direction: column;
    gap: 40px;
  }

  /* ===== 顶部最新资讯 ===== */
  .news-latest {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .news-latest::-webkit-scrollbar { display: none; }

  .news-latest h3 {
    text-align: left;
    margin-bottom: 15px;
    color: #fff;
  }

  .news-cards {
    display: flex;
    gap: 20px;
  }

  .news-card {
    min-width: 250px;
    flex: 0 0 250px;
    background: rgba(95, 46, 123, 0.9);
    color: #fff;
    border-radius: 15px;
    padding: 20px;
    text-align: center;
    font-size: 0.95rem;
    transition: transform 0.3s ease;
  }

  /* 悬停文本框+文字一起放大 */
  .news-card:hover {
    transform: scale(1.05);
  }

  /* ===== 下部时间轴 ===== */
  .news-timeline {
    overflow-x: auto;
    scrollbar-width: none;
  }
  .news-timeline::-webkit-scrollbar { display: none; }

  .news-timeline h3 {
    text-align: left;
    margin-bottom: 20px;
    color: #fff;
  }

  .timeline {
    display: flex;
    align-items: center;
    position: relative;
    padding: 0 20px 50px;
    gap: 40px;
  }

  /* 横向主线 */
  .timeline::before {
    content: "";
    position: absolute;
    top: 30px;
    left: 0;
    right: 0;
    height: 2px;
    background: rgba(255,255,255,0.7);
    z-index: 1;
  }

  /* 时间节点 */
  .timeline-event {
    position: relative;
    text-align: center;
    min-width: 200px;
    z-index: 2;
  }

  /* 圆点：固定大小，不随文字缩放 */
  .timeline-event::before {
    content: "";
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 14px;
    height: 14px;
    background: #fff;
    border-radius: 50%;
    z-index: 3;
  }

  /* 时间节点的文字内容 */
  .event-content {
    transition: transform 0.3s ease;
  }
  .event-content:hover {
    transform: scale(1.05);
  }

  .timeline-event span {
    display: block;
    margin-top: 40px;
    font-size: 0.85rem;
    font-weight: bold;
    color: #fff;
  }

  .timeline-event p {
    margin: 8px 0 0;
    color: #ddd;
    font-size: 0.95rem;
    line-height: 1.5;
  }

/* ====== Live 2027 样式 ====== */
#live {
  margin-top: 60px;   /* 上方空间，避免覆盖 */
  margin-bottom: 120px; /* 下方扩展空间 */
}

#live p {
  font-size: 1rem;
  color: #eee;
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Live 卡片容器 */
.live-container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  justify-content: flex-start;
}

/* 单个卡片 */
.live-item {
  flex: 1 1 570px;   /* 放大 1.5 倍，和 Gallery 卡片一致 */
  max-width: 600px;
  aspect-ratio: 16 / 9;   /* 保持16:9比例 */
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 10px 20px rgba(0,0,0,0.25);
  transition: transform 0.4s ease;
}

/* 图片 */
.live-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.live-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* 悬停轻微放大 */
.live-item:hover img {
  transform: scale(1.08);
}

/* 卡片下方说明文字 */
.live-caption {
  margin-top: 10px;
  font-size: 1rem;
  text-align: left;
  color: #eee;
  line-height: 1.5;
  max-width: 580px;  /* 和卡片宽度保持一致 */
}

/* ====== ギャラリー样式 ====== */
.gallery-container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px; /* 卡片间距 */
  margin-top: 30px;
  margin-bottom: 120px;
  justify-content: flex-start;
}

#gallery {
  padding-bottom: 60px;
}

/* ========== Gallery Cards ========== */
.gallery-item {
  flex: 1 1 570px;
  max-width: 600px;
  aspect-ratio: 16 / 9;
  position: relative;
  overflow: hidden;
  border-radius: 14px;
  box-shadow: 0 15px 25px rgba(0,0,0,0.3);
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.4s ease;
  cursor: pointer;
  background-color: #111;
}

/* 卡片悬浮效果 */
.gallery-item:hover {
  transform: translateY(-8px) scale(1.03);
  box-shadow: 0 25px 40px rgba(0,0,0,0.35);
}

/* 图片容器 */
.gallery-image {
  width: 100%;
  height: 100%;
  position: relative;
  overflow: hidden;
  border-radius: 14px;
}

/* 图片本身 */
.gallery-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

/* 悬停轻微放大图片 */
.gallery-item:hover img {
  transform: scale(1.08);
}

/* 遮罩层（hover标题） */
.gallery-hover {
  position: absolute;
  bottom: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.55);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 15px;
  transition: bottom 0.4s ease, opacity 0.4s ease;
  
  /* 字体相关 */
  font-family: "Noto Sans JP", "Noto Sans SC", "Noto Sans TC", "Arial", "Helvetica", "sans-serif";
  font-weight: 900;
  font-size: 1.5rem;
  line-height: 1.3;
  opacity: 0;
}

/* 悬停显示 */
.gallery-item:hover .gallery-hover {
  bottom: 0;
  opacity: 1;
}

/* hover时遮罩出现 */
.gallery-item:hover .gallery-hover {
  bottom: 0;
  opacity: 1;
}

/* 图片下方常驻说明 */
.gallery-caption {
  margin-top: 12px;
  font-size: 1rem;
  text-align: left;  
  color: #eee;
  line-height: 1.5;
  max-width: 580px;  
  transition: color 0.3s ease;
}

/* 鼠标悬停时文字略微高亮 */
.gallery-item:hover + .gallery-caption {
  color: #fff;
}

/* ========== 漂浮动画 ========== */
@keyframes float {
  0%   { transform: translateY(0px); }
  50%  { transform: translateY(-5px); }
  100% { transform: translateY(0px); }
}

/* 给所有卡片加漂浮感 */
.gallery-item {
  animation: float 4s ease-in-out infinite;
}

/* 悬停时停止漂浮，放大悬浮效果 */
.gallery-item:hover {
  animation-play-state: paused;
  transform: translateY(-8px) scale(1.03);
}


/* ====== 唱片残影 样式 ====== */
#Music-Library {
  position: relative; /* 必须相对定位 */
  font-family: "Hiragino Kaku Gothic Pro", "メイリオ", sans-serif;
  z-index: 0; /* 内容在上面 */
}

/* 背景层 */
#Music-Library::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url('Background/Kotou-E.jpg') no-repeat center center;
  background-size: cover;
  filter: blur(32px); /* 模糊效果 */
  z-index: -1; /* 背景在内容下面 */
}

/* 容器 */
.music-library-container {
  display: flex;
  flex-direction: column;
  gap: 1.2em;
  max-width: 900px;
  margin: 0 auto;
}

/* 音乐条样式 */
.music-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.8em 1em;
  background-color: #fff;
  border-radius: 10px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
  transition: background 0.3s ease, transform 0.3s ease; /* 增加 transform 过渡 */
  margin-left: 0; 
}

.music-item:hover {
  background-color: #f0f0f0;
  transform: scale(1.03); /* 鼠标悬停放大 3% */
}

.music-info {
  display: flex;
  flex-direction: column;
}

.music-title {
  font-weight: bold;
  font-size: 1.1em;
  color: #222;
}

.music-artist {
  font-size: 0.9em;
  color: #666;
}

.music-controls {
  display: flex;
  align-items: center;
  gap: 0.6em;
}

.play-btn {
  font-size: 1.2em;
  border: none;
  background: none;
  cursor: pointer;
  color: #444;
}

.play-btn:hover {
  color: #000;
}

.progress-container {
  width: 200px;
  height: 6px;
  background-color: #ddd;
  border-radius: 3px;
  overflow: hidden;
  cursor: pointer;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background-color: #ff6b6b;
  transition: width 0.2s linear;
}

/* ====== 記事样式 ====== */
#articles {
  margin-top: 120px;  /* ✅ 在最上方加空间，避免被覆盖 */
}

.articles-container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px; /* 和gallery保持一致 */
  margin-top: 30px;
  justify-content: flex-start; /* 靠左 */
}

/* 单个文章卡片 */
.article-item {
  flex: 1 1 280px;   /* 正方形，最小宽度 */
  max-width: 300px;
  aspect-ratio: 1 / 1;   /* ✅ 保持1:1正方形 */
  position: relative;
  overflow: hidden;
  border-radius: 5%;   /* ✅ 圆角5% */
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
  transition: transform 0.4s ease;
}

/* 图片 */
.article-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* 悬停轻微放大 */
.article-item:hover img {
  transform: scale(1.08);
}

/* 下方标题 */
.article-caption {
  margin-top: 10px;
  font-size: 1rem;
  text-align: left;
  color: #eee;
  line-height: 1.5;
  max-width: 300px; /* 和卡片保持一致 */
}

/* ====== グッズ样式 ====== */
#goods {
  margin-bottom: 120px;  /* ✅ 向下扩展空间 */
}

.goods-container {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;  /* 和 gallery / articles 保持一致 */
  margin-top: 30px;
  justify-content: flex-start;  /* 靠左对齐 */
}

/* 单个商品卡片 */
.goods-item {
  flex: 1 1 280px;
  max-width: 300px;
  aspect-ratio: 1 / 1;    /* 保持正方形 */
  position: relative;
  overflow: hidden;
  border-radius: 5%;
  box-shadow: 0 8px 18px rgba(0,0,0,0.25);
  transition: transform 0.4s ease;
}

/* 图片 */
.goods-image {
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.goods-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

/* 悬停轻微放大 */
.goods-item:hover img {
  transform: scale(1.08);
}

/* 下方标题 */
.goods-caption {
  margin-top: 10px;
  font-size: 1rem;
  text-align: left;
  color: #eee;
  line-height: 1.5;
  max-width: 300px;  /* 和卡片宽度保持一致 */
}

/* ====== 置顶图 ====== */
.hero {
  width: 100%;
  height: 60vh; 
  background: url('Background/Background.png') center center / cover no-repeat;
  position: relative;
  box-shadow: 0 15px 15px rgba(0, 0, 0, 0.72);
}

/* 置顶图文字基础样式 + 阴影 */
.hero-text {
  position: absolute;
  left: 50px;
  bottom: 50px;
  color: #fff;
  z-index: 2;

  /* 平滑缩放过渡 */
  transition: transform 0.4s ease, filter 0.4s ease;
}

/* 标题 h1 样式 */
.hero-text h1 {
  font-size: 2.5rem;
  font-weight: bold;
  margin: 0 0 10px;
  text-shadow: 4px 4px 5px rgba(0,0,0,0.7); /* 更聚集阴影 */

  /* 独立漂浮动画 */
  animation: floatH1 5s ease-in-out infinite;
}

/* 副标题 p 样式 */
.hero-text p {
  font-size: 1.2rem;
  font-style: italic;
  text-shadow: 3px 3px 4px rgba(0,0,0,0.6); /* 副标题阴影稍微轻一点 */

  /* 独立漂浮动画，方向不同 */
  animation: floatP 4.2s ease-in-out infinite;
}

/* 认证徽章 */
.cert-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: bold;
  margin-bottom: 6px;
  margin-left: 10px;
  animation: floatBadge 6s ease-in-out infinite; /* 丝滑漂浮 */
  transition: transform 0.4s ease; /* 悬停平滑放大 */
}

/* 漂浮动画 */
@keyframes floatBadge {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(1px,-1px); }
  40%  { transform: translate(-1px,1px); }
  60%  { transform: translate(0.5px,-0.5px); }
  80%  { transform: translate(-0.5px,0.5px); }
  100% { transform: translate(0,0); }
}

/* 鼠标悬停整体放大（跟 hero-text 保持一致） */
.hero-text:hover .cert-badge {
  transform: scale(1.08);
}


/* 鼠标悬停平滑放大 */
.hero-text:hover h1,
.hero-text:hover p {
  transform: scale(1.08);
}

/* 标题漂浮动画 */
@keyframes floatH1 {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(2px,-1px); }
  40%  { transform: translate(-2px,2px); }
  60%  { transform: translate(1px,-2px); }
  80%  { transform: translate(-1px,1px); }
  100% { transform: translate(0,0); }
}

/* 副标题漂浮动画（方向微随机，不同于标题） */
@keyframes floatP {
  0%   { transform: translate(0,0); }
  20%  { transform: translate(-1px,2px); }
  40%  { transform: translate(2px,-1px); }
  60%  { transform: translate(-2px,1px); }
  80%  { transform: translate(1px,-2px); }
  100% { transform: translate(0,0); }
}

/* ====== footer & 平台 ====== */
footer {
  padding: 40px 10%; 
  background: #000;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  font-size: 0.8rem;
  gap: 20px;
  color: #fff;
}

.platforms {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px 30px;
  flex: 1;
}

.platforms a {
  text-decoration: none;
  color: #fff;
  text-align: center;
  font-size: 0.8rem;
  display: inline-block;
  transition: transform 0.3s ease; /* 平滑过渡 */
}

.platforms .logo {
  width: 24px;
  height: 24px;
  background: #fff;
  border-radius: 50%;
  margin: 0 auto 5px;
  transition: transform 0.3s ease; /* 平滑过渡 */
}

/* 鼠标悬停放大 */
.platforms a:hover,
.platforms a:hover .logo {
  transform: scale(1.2); /* 放大 20% */
}

.lang-switch {
  position: fixed;
  bottom: 20px;
  left: 20px;
  color: #fff;
  cursor: pointer;
  font-size: 0.9rem;
}

/* 艺术家标语样式 */
.footer-slogan {
  width: 100%;
  text-align: left;
  font-size: 1.4rem;
  font-weight: bold;
  font-style: italic;
  margin-top: 20px;
  color: #fff;
  
  /* 漂浮动画 */
  position: relative;
  animation: float-slogan 3s ease-in-out infinite;
}

@keyframes float-slogan {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-4px); }
  100% { transform: translateY(0px); }
}

/* 联系信息和关于信息 */
.footer-columns {
  display: flex;
  flex-wrap: wrap;
  gap: 50px;
}

.footer-column h4 {
  font-weight: bold;
  margin-bottom: 8px;
}

.footer-column p, .footer-column a {
  font-size: 0.8rem;
  color: #fff;
  text-decoration: none;
  margin-bottom: 5px;
}

/* 鼠标圆点样式 */
#cursor-dot {
  position: fixed;
  top: 0;
  left: 0;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: rgba(178, 120, 203, 0.5); /* 默认半透明木槿紫 */
  pointer-events: none; /* 不阻止鼠标事件 */
  transform: translate(-50%, -50%);
  transition: width 0.15s ease, height 0.15s ease, background 0.25s ease, transform 0.25s ease;
  z-index: 2147483647; /* 绝对顶层，防止视频覆盖 */
}

/* 点击旋转变方形 */
#cursor-dot.active {
  border-radius: 0%;
  transform: translate(-50%, -50%) rotate(45deg) scale(1.5);
}

/* 唱片目录过渡动画 */
#album-transition-overlay {
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(0,0,0,0);
  pointer-events: none;
  z-index: 9998;
  transition: background 1.2s ease-in-out;
}

#album-transition-img {
  position: fixed;
  z-index: 9999;
  border-radius: 5%;
  transition: transform 1.5s ease-in-out, opacity 0.8s ease-in-out;
  will-change: transform, opacity;
  display: none;
}

/* 语言栏 */

.lang-switch {
  position: fixed;     
  bottom: 20px;       
  left: 20px;         
  z-index: 9999;      /* 高于视频/模糊，但不遮 header */
  display: flex;
  align-items: center;
  gap: 10px;
}

/* 标题基础样式 */
.lang-switch .toggle h3 {
  color:#ffffff;
  display: inline-block;
  margin: 0;
  animation: float 2s ease-in-out infinite alternate;
  cursor: pointer;
  transition: transform 0.2s ease;
  will-change: transform;
}

/* 标题悬停放大 */
.lang-switch .toggle h3:hover {
  transform: scale(1.2);
}

/* 语言选项列表 */
.lang-list {
  display: inline-flex;
  gap: 10px;
  pointer-events: none;
}

/* 每个语言项初始右偏隐藏 */
.lang-list a {
  display: inline-block;
  color: white;
  text-decoration: none;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.6);
  transform: translateX(6px);
  opacity: 0;
  transition: transform 0.9s cubic-bezier(0.68, -0.55, 0.265, 1.55), opacity 0.72s ease;
  will-change: transform;
  transform-origin: left center;
}

/* 每个语言项悬停放大 */
.lang-list a:hover {
  transform: scale(1.2);
}

/* 当前语言高亮 */
.lang-list a.active {
  color: #ff4d4d;
  cursor: default;
}

/* 激活状态，弹入到正常位置 */
.lang-switch.active .lang-list a {
  transform: translateX(0);
  opacity: 1;
}

/* 延迟依次弹入 */
.lang-switch.active .lang-list a:nth-child(1) { transition-delay: 0s; }
.lang-switch.active .lang-list a:nth-child(2) { transition-delay: 0.05s; }
.lang-switch.active .lang-list a:nth-child(3) { transition-delay: 0.1s; }
.lang-switch.active .lang-list a:nth-child(4) { transition-delay: 0.15s; }
.lang-switch.active .lang-list a:nth-child(5) { transition-delay: 0.2s; }
.lang-switch.active .lang-list a:nth-child(6) { transition-delay: 0.25s; }

/* 漂浮动画 */
@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-1px); }
  100% { transform: translateY(0); }
}