/* =========================================
   1. Bubble Menu 原始样式 (保持不变)
   ========================================= */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  min-height: 100vh;
  background: #f5f5f5;
  color: #111;
}

.bubble-menu {
  left: 0;
  right: 0;
  top: 2em;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 2em;
  pointer-events: none;
  z-index: 99;
}

.bubble-menu.fixed {
  position: fixed;
}

.bubble-menu.absolute {
  position: absolute;
}

.bubble-menu .bubble {
  --bubble-size: 48px;
  width: var(--bubble-size);
  height: var(--bubble-size);
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  pointer-events: auto;
}

.bubble-menu .logo-bubble,
.bubble-menu .toggle-bubble {
  will-change: transform;
}

.bubble-menu .logo-bubble {
  width: auto;
  min-height: var(--bubble-size);
  height: var(--bubble-size);
  padding: 0 16px;
  border-radius: calc(var(--bubble-size) / 2);
  gap: 8px;
  cursor: pointer; /* 新增：让Logo看起来可点击 */
}

.bubble-menu .toggle-bubble {
  width: var(--bubble-size);
  height: var(--bubble-size);
}

.bubble-menu .logo-content {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.1rem;
  color: #111;
}

.bubble-menu .menu-btn {
  border: none;
  background: #fff;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.bubble-menu .menu-line {
  width: 26px;
  height: 2px;
  background: #111;
  border-radius: 2px;
  display: block;
  margin: 0 auto;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
}

.bubble-menu .menu-line + .menu-line {
  margin-top: 6px;
}

.bubble-menu .menu-btn.open .menu-line:first-child {
  transform: translateY(4px) rotate(45deg);
}

.bubble-menu .menu-btn.open .menu-line:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

@media (min-width: 768px) {
  .bubble-menu .bubble {
    --bubble-size: 56px;
  }

  .bubble-menu .logo-bubble {
    padding: 0 16px;
  }
}

.bubble-menu-items {
  position: absolute;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 98;
  /* 为了在菜单打开时遮盖住页面内容，增加一点背景 */
  background: rgba(245, 245, 245, 0.95);
  backdrop-filter: blur(5px);
}

.bubble-menu-items.fixed {
  position: fixed;
}

.bubble-menu-items.absolute {
  position: absolute;
}

.bubble-menu-items .pill-list {
  list-style: none;
  margin: 0;
  padding: 0 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  row-gap: 4px;
  width: 100%;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  pointer-events: auto;
  justify-content: stretch;
}

.bubble-menu-items .pill-list .pill-col {
  display: flex;
  justify-content: center;
  align-items: stretch;
  flex: 0 0 calc(100% / 3);
  box-sizing: border-box;
}

.bubble-menu-items .pill-list .pill-col:nth-child(4):nth-last-child(2) {
  margin-left: calc(100% / 6);
}

.bubble-menu-items .pill-list .pill-col:nth-child(4):last-child {
  margin-left: calc(100% / 3);
}

.bubble-menu-items .pill-link {
  --pill-bg: #ffffff;
  --pill-color: #111;
  --pill-border: rgba(0, 0, 0, 0.12);
  --item-rot: 0deg;
  --pill-min-h: 160px;
  --hover-bg: #f3f4f6;
  --hover-color: #111;
  width: 100%;
  min-height: var(--pill-min-h);
  padding: clamp(1.5rem, 3vw, 8rem) 0;
  font-size: clamp(1.5rem, 4vw, 4rem);
  font-weight: 400;
  line-height: 0;
  border-radius: 999px;
  background: var(--pill-bg);
  color: var(--pill-color);
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  transition: background 0.3s ease, color 0.3s ease;
  will-change: transform;
  box-sizing: border-box;
  white-space: nowrap;
  overflow: hidden;
  height: 10px; /* 注意：原样式这里是10px，可能需要你在JS里修复文字显示，或者这里改为 auto */
  /* 修正建议：为了不让文字被切掉，这里强制改为 auto，如果不希望改动 CSS，请忽略此行 */
  height: auto !important; 
  pointer-events: auto; 
}

@media (min-width: 900px) {
  .bubble-menu-items .pill-link {
    transform: rotate(var(--item-rot));
  }

  .bubble-menu-items .pill-link:hover {
    transform: rotate(var(--item-rot)) scale(1.06);
    background: var(--hover-bg);
    color: var(--hover-color);
  }

  .bubble-menu-items .pill-link:active {
    transform: rotate(var(--item-rot)) scale(0.94);
  }
}

.bubble-menu-items .pill-link .pill-label {
  display: inline-block;
  will-change: transform, opacity;
  height: 1.2em;
  line-height: 1.2;
}

@media (max-width: 899px) {
  .bubble-menu-items {
    padding-top: 0px;
    align-items: flex-start;
    padding-top: 120px;
  }

  .bubble-menu-items .pill-list {
    row-gap: 16px;
  }

  .bubble-menu-items .pill-list .pill-col {
    flex: 0 0 100%;
    margin-left: 0 !important;
    overflow: visible;
  }

  .bubble-menu-items .pill-link {
    font-size: clamp(1.2rem, 3vw, 4rem);
    padding: clamp(1rem, 2vw, 2rem) 0;
    min-height: 80px;
  }

  .bubble-menu-items .pill-link:hover {
    transform: scale(1.06);
    background: var(--hover-bg);
    color: var(--hover-color);
  }

  .bubble-menu-items .pill-link:active {
    transform: scale(0.94);
  }
}

/* =========================================
   2. 页面通用布局 (不影响 Menu)
   ========================================= */
main {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 140px 2rem 4rem; /* 顶部留出空间给 Fixed Menu */
  opacity: 0; /* 初始隐藏，由 JS 淡入 */
  transform: translateY(20px);
}

h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

p {
  font-size: 1.2rem;
  line-height: 1.6;
  color: #444;
  margin-bottom: 1.5rem;
}

/* =========================================
   3. 修改后的：Active (当前页面) 状态样式
   ========================================= */

/* 默认状态：字体加粗，文字颜色变为该按钮的主题色 */
.bubble-menu-items .pill-link.active .pill-label {
  font-weight: 800; /* 极粗 */
  color: var(--hover-bg); /* 使用该按钮的主题色作为文字颜色 */
  transition: color 0.3s ease;
}

/* 悬停状态：取消特殊对待，使其表现与其他页面完全一致 */
/* 当鼠标移入 active 按钮时，背景变色，文字变白 */
.bubble-menu-items .pill-link.active:hover .pill-label {
  color: var(--hover-color) !important; /* 强制变为白色 */
}

/* 确保 active 按钮在 hover 时依然有缩放和旋转效果 */
@media (min-width: 900px) {
  .bubble-menu-items .pill-link.active:hover {
    transform: rotate(var(--item-rot)) scale(1.06);
    background: var(--hover-bg);
  }
}

/* 移动端 hover 表现一致 */
@media (max-width: 899px) {
  .bubble-menu-items .pill-link.active:hover {
    background: var(--hover-bg);
    transform: scale(1.06);
  }
}