/* G1 页面微样式（文本对齐与间距的兜底，动画沿用现有类） */
#page-g1 .g1-line-1 { margin-bottom: 8px; }
#page-g1 .g1-number { letter-spacing: 1px; }
#page-g1 .g1-text-left { max-width: 1200px; }
#page-g1 .g1-text-right { max-width: 1200px; }
/* G1 数字阴影效果 */
#page-g1 .g1-number {
  text-shadow: 0 6px 18px rgba(106, 76, 147, 0.35), 0 2px 6px rgba(0,0,0,0.15);
}
/* G1 分隔紫线（已移除使用） */
@media (max-width: 768px) {
  #page-g1 .g1-text-right { max-width: 100%; }
}


#world-map-container {
  position: relative;
  margin-top: 3em;
  margin-bottom: 3em;
  padding-top: 75px;
}

.map-title {
  text-align: center;
  margin-top: 3em;
  margin-bottom: 1em;
  font-size: 1.8em;
  color: #000000;
  font-weight: 700;
  line-height: 1.4;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2em;
}

/* 大屏幕标题优化 */
@media (min-width: 1200px) {
  .map-title {
    max-width: 1800px;
  }
}

@media (min-width: 1600px) {
  .map-title {
    max-width: 2000px;
  }
}

#world-map, #world-map-inline {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: block;
  margin: auto;
  height: auto;
}

#world-map-inline svg {
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* 中等屏幕地图优化（电脑屏幕一半宽度） */
@media (min-width: 769px) and (max-width: 1199px) {
  #world-map-container {
    padding: 0 1em !important;
  }
  #world-map, #world-map-inline {
    max-width: 100%;
    min-width: 0;
    width: 100%;
    height: auto;
  }
  .map-title {
    max-width: 100%;
    font-size: 1.6em;
    padding: 0 0.5em;
  }
}

/* 大屏幕地图优化 */
@media (min-width: 1200px) {
  #world-map, #world-map-inline {
    max-width: 90%;
    min-width: 0;
    width: 90%;
  }
  .map-title {
    max-width: 90%;
  }
}

@media (min-width: 1600px) {
  #world-map, #world-map-inline {
    max-width: 85%;
    min-width: 0;
    width: 85%;
  }
  .map-title {
    max-width: 85%;
  }
}

/* 平板和中等屏幕优化 */
@media (min-width: 481px) and (max-width: 1024px) {
  #world-map-container {
    padding: 0 0.5em !important;
  }
  #world-map, #world-map-inline {
    max-width: 100%;
    min-width: 0;
    width: 100%;
    height: auto;
  }
  .map-title {
    max-width: 100%;
    font-size: 1.5em;
    padding: 0 0.25em;
  }
}

@media (max-width: 768px) {
  .map-title {
    font-size: 1.6em !important;
    padding: 0 1em !important;
    margin-bottom: 3em !important;
    max-width: 90% !important;
  }
  #world-map, #world-map-inline {
    max-width: 95% !important;
  }
}

@media (max-width: 480px) {
  .map-title {
    font-size: 1.1em !important;
    padding: 0 0.5em !important;
    margin-bottom: 2em !important;
    max-width: 95% !important;
  }
  #world-map, #world-map-inline {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
}

/* home页面使用米色背景，其他页面使用白色背景 */
.home-page {
  background-color: #f7f3f0 !important;
}

.home-page html, 
.home-page body {
  background-color: #f7f3f0 !important;
}

/* 其他页面使用白色背景 */
html, body {
  background-color: #ffffff !important;
}

/* home页面的特定区域使用米色背景 */
.home-page #world-map-container,
.home-page #number-animation-section,
.home-page #page-c,
.home-page #page-e,
.home-page #page-f,
.home-page #page-g {
  background-color: #f7f3f0 !important;
}

/* 其他页面的特定区域使用白色背景 */
#world-map-container,
#number-animation-section,
#page-c,
#page-e {
  background-color: #ffffff !important;
}

/* A页面黑色主题样式 */
#page-a .image-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.2) !important;
}

/* B页面紫色主题样式 */
#page-b .image-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(106, 76, 147, 0.4) !important;
  border-color: #8B5A96 !important;
}

/* 响应式优化 */
@media (max-width: 1200px) {
  #page-b .page-b-content { gap: 40px !important; }
  #page-b .image-container { max-width: 300px !important; min-height: 280px !important; }
}

@media (max-width: 768px) {
  #page-b .page-b-content { flex-direction: column !important; gap: 2em !important; }
  #page-b .page-b-text h3 { font-size: 2em !important; }
  #page-b .image-container { max-width: 100% !important; min-height: 250px !important; }
}

/* 统计数据和饼图容器 */
.stats-charts-container {
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
  max-width: 1800px;
  margin: 0 auto;
  gap: 80px;
  padding: 0 4em;
  position: relative;
}

/* 右侧统计数据 */
.stats-section {
  flex: 0 0 350px;
  max-width: 350px;
  min-width: 350px;
  display: flex;
  flex-direction: column;
  gap: 24px;
  padding-top: 40px;
  position: fixed;
  top: -37px;
  right: 6em;
  height: fit-content;
  z-index: 100;
}

.stat-item { text-align: left; padding: 20px; background: rgba(255, 255, 255, 0.8); border-radius: 12px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1); transition: transform 0.3s ease; position: relative; overflow: hidden; }
.stat-item:hover { transform: translateY(-5px); }

.stat-item-1, .stat-item-2, .stat-item-3, .stat-item-4 { opacity: 0; transform: translateX(100px); transition: all 0.8s ease; }
.stat-item-1.animate { opacity: 1; transform: translateX(0); transition-delay: 0.1s; }
.stat-item-2.animate { opacity: 1; transform: translateX(0); transition-delay: 0.3s; }
.stat-item-3.animate { opacity: 1; transform: translateX(0); transition-delay: 0.5s; }
.stat-item-4.animate { opacity: 1; transform: translateX(0); transition-delay: 0.7s; }

.stat-number { font-size: 2.5em; font-weight: 900; color: #000000; margin-bottom: 8px; font-family: 'Arial', sans-serif; }
.stat-label { font-size: 1.1em; color: #333333; line-height: 1.4; font-weight: 400; }

/* === 变更说明（用户需求） ===
   需求：统计页面的右侧卡片中的最后一个卡片背景颜色变为 #6A4C93，字体变为白色
   文件：themes/basic/static/css/home.css
   位置：紧随 .stat-number / .stat-label 之后
   具体改动：
   1) 为 .stat-item 增加 position: relative 与 overflow: hidden（已在上文定义）
   2) 为 .stats-section .stat-item.stat-item-4 设置紫色背景与白色文字
   3) 使用 ::before 覆盖层确保不会被其他背景规则覆盖；将子元素置于上层
*/

/* 右侧统计卡片：最后一个卡片（stat-item-4）高亮为主题色 */
.stats-section .stat-item.stat-item-4 { background: #6A4C93 !important; color: #ffffff !important; }
.stats-section .stat-item.stat-item-4::before { content: ""; position: absolute; inset: 0; background: #6A4C93; z-index: 0; }
.stats-section .stat-item.stat-item-4 > * { position: relative; z-index: 1; }
.stats-section .stat-item.stat-item-4 .stat-number,
.stats-section .stat-item.stat-item-4 .stat-label { color: #ffffff !important; }


/* 左侧饼图 */
.charts-section {
  flex: 0 0 600px;
  min-width: 600px;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  min-height: 200px;
  margin-right: 450px;
  margin-top: -30px;
}

.chart-box { width: 100%; height: 600px; background: transparent; border-radius: 12px; position: relative; overflow: visible; }

/* 覆盖intro.css中的overflow:hidden设置 */
#number-animation-section { overflow: visible !important; }
.stats-charts-container { overflow: visible !important; }

/* C页面图表容器样式 */
.chart-container {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.chart-container canvas {
  max-width: 100%;
  height: auto;
}

/* 响应式设计 */
@media (max-width: 1200px) {
  .stats-charts-container { flex-direction: column; gap: 40px; }
  .stats-section { max-width: 100%; order: 2; position: static; }
  .charts-section { order: 1; margin-right: 0; }
}

@media (max-width: 768px) {
  .stats-charts-container { padding: 0 1em; gap: 30px; }
  .charts-section { max-width: 280px !important; }
  .stat-number { font-size: 2em; }
  .stat-label { font-size: 1em; }
  .chart-box { height: 250px; }
}

@media (max-width: 480px) {
  .stats-charts-container { 
    padding: 0 1em; 
    flex-direction: column !important; 
    gap: 40px !important; 
    align-items: center !important;
  }
  .charts-section { 
    order: 1 !important; 
    max-width: 200px !important; 
    margin-right: 0 !important; 
  }
  .stats-section { 
    order: 2 !important; 
    max-width: 100% !important; 
    display: flex !important; 
    flex-direction: column !important; 
    gap: 24px !important; 
  }
  .stat-number { font-size: 2em; }
  .stat-label { font-size: 1em; }
  .chart-box { height: 250px; }
}

/* C页面响应式设计 */
@media (max-width: 768px) {
  .page-c-container { padding: 0 2em !important; }
  .page-c-content { flex-direction: column !important; gap: 40px !important; }
  .chart-container { width: 600px !important; height: 485px !important; }
  .c2-image-container { width: 160px !important; height: 130px !important; margin-top: -0.3em !important; margin-left: 1.5em !important; }
  .c-text-content { font-size: 1.2em !important; padding: 2em !important; }
  h3 { font-size: 1.6em !important; }
}

@media (max-width: 480px) {
  .page-c-container { padding: 0 1em !important; }
  .chart-container { width: 250px !important; height: 250px !important; }
  .c2-image-container { width: 90px !important; height: 70px !important; margin-top: -0.2em !important; margin-left: 1em !important; }
  .c-text-content { font-size: 0.9em !important; padding: 1em !important; }
  h3 { font-size: 1.1em !important; }
}

/* D页面响应式设计 */
@media (max-width: 768px) {
  .page-d-container { padding: 0 2em !important; }
  .page-d-outer-border { padding: 1.5em !important; border-width: 2px !important; }
  .d-text-content { font-size: 1.2em !important; padding: 2em !important; }
  h3 { font-size: 1.6em !important; }
}

@media (max-width: 480px) {
  .page-d-container { padding: 0 1em !important; }
  .page-d-outer-border { padding: 1em !important; border-width: 2px !important; }
  .d-text-content { font-size: 1.1em !important; padding: 1.5em !important; }
  h3 { font-size: 1.4em !important; }
}

/* E页面样式 */
.visible { opacity: 1 !important; }

/* E页面图表容器基础样式 */
.chart-container-e {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 600px;
  height: 500px;
  min-height: 300px;
}

.chart-container-e canvas {
  max-width: 100%;
  height: auto;
}

/* E页面响应式设计 */
@media (max-width: 768px) {
  .page-e-container { padding: 0 1em !important; }
  .charts-wrapper { 
    flex-direction: column !important; 
    gap: 40px !important; 
    align-items: center !important;
  }
  .chart-container-e { 
    width: 600px !important; 
    height: 500px !important;
    max-width: 100% !important;
  }
  h2 { font-size: 1.6em !important; margin-bottom: 2em !important; }
  h3 { font-size: 1.3em !important; }
}

@media (max-width: 480px) {
  .page-e-container { padding: 0 1em !important; }
  .charts-wrapper { 
    gap: 30px !important; 
    align-items: center !important;
  }
  .chart-container-e { 
    width: 400px !important; 
    height: 450px !important;
    max-width: 100% !important;
  }
  h2 { font-size: 1.2em !important; margin-bottom: 1.2em !important; }
  h3 { font-size: 1em !important; }
  
  /* E页面图表标签在480px下横排显示在图表下面 */
  .chart-container-e canvas {
    margin-bottom: 20px !important;
  }
  
  /* F页面标题在480px下字体变大 */
  .page-f-text h3 { font-size: 1.8em !important; }
}

/* G页面滚动条与悬浮效果 */
#g-card-track::-webkit-scrollbar { height: 8px; }
#g-card-track::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 4px; }
#g-card-track.dragging { cursor: grabbing; cursor: -webkit-grabbing; }
#page-g .g-card:hover > div { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(106, 76, 147, 0.40); transition: all .25s ease; }

/* G页面 卡片基础布局样式（从内联迁移） */
#page-g .card-track {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding-top: 8px;
  padding-bottom: 18px;
}

#page-g .g-card {
  flex: 0 0 320px;
  scroll-snap-align: start;
  text-decoration: none;
  color: inherit;
}

#page-g .g-card-inner {
  border-radius: 16px;
  position: relative;
  padding: 24px;
  box-shadow: 0 10px 24px rgba(106, 76, 147, 0.25);
  height: 420px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

#page-g .g-card-img {
  width: 100%;
  height: 230px;
  object-fit: cover;
  border-radius: 12px;
}

/* 通用页面容器（替代常见 inline max-width 与 padding） */
.container-1400 {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 3em;
}

.container-1800 {
  max-width: 1800px;
  margin: 0 auto;
  padding: 0 4em;
}

#world-map-container {
  position: relative;
  margin-top: 2em;
  margin-bottom: 3em;
  padding-top: 40px;
}

.map-title {
  text-align: center;
  margin-top: 2em;
  margin-bottom: 1em;
  font-size: 1.8em;
  color: #000000;
  font-weight: 700;
  line-height: 1.4;
  max-width: 1600px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 2em;
}

/* 大屏幕标题优化 */
@media (min-width: 1200px) {
  .map-title {
    max-width: 1800px;
  }
}

@media (min-width: 1600px) {
  .map-title {
    max-width: 2000px;
  }
}

#world-map, #world-map-inline {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  display: block;
  margin: auto;
  height: auto;
}

#world-map-inline svg {
  width: 100%;
  height: auto;
  max-width: 100%;
}

/* 中等屏幕地图优化（电脑屏幕一半宽度） */
@media (min-width: 769px) and (max-width: 1199px) {
  #world-map-container {
    padding: 0 1em !important;
  }
  #world-map, #world-map-inline {
    max-width: 100%;
    min-width: 0;
    width: 100%;
    height: auto;
  }
  .map-title {
    max-width: 100%;
    font-size: 1.6em;
    padding: 0 0.5em;
  }
}

/* 大屏幕地图优化 */
@media (min-width: 1200px) {
  #world-map, #world-map-inline {
    max-width: 90%;
    min-width: 0;
    width: 90%;
  }
  .map-title {
    max-width: 90%;
  }
}

@media (min-width: 1600px) {
  #world-map, #world-map-inline {
    max-width: 85%;
    min-width: 0;
    width: 85%;
  }
  .map-title {
    max-width: 85%;
  }
}

@media (max-width: 768px) {
  .map-title {
    font-size: 1.6em !important;
    padding: 0 1em !important;
    margin-bottom: 3em !important;
    max-width: 90% !important;
  }
  #world-map, #world-map-inline { max-width: 95% !important; }
}

@media (max-width: 480px) {
  .map-title {
    font-size: 1.3em !important;
    padding: 0 0.5em !important;
    margin-bottom: 2.5em !important;
    max-width: 95% !important;
  }
  #world-map, #world-map-inline { max-width: 98% !important; }
}


#page-a .image-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 25px rgba(255, 255, 255, 0.2) !important;
}

#page-b .image-container:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(106, 76, 147, 0.4) !important;
  border-color: #8B5A96 !important;
}

@media (max-width: 1200px) {
  #page-b .page-b-content { gap: 40px !important; }
  #page-b .image-container { max-width: 300px !important; min-height: 280px !important; }
}

@media (max-width: 768px) {
  #page-b .page-b-content { flex-direction: column !important; gap: 2em !important; }
  #page-b .page-b-text h3 { font-size: 2em !important; }
  #page-b .image-container { max-width: 100% !important; min-height: 250px !important; }
}



/* C 页面响应式 */
@media (max-width: 768px) {
  .page-c-container { padding: 0 2em !important; }
  .page-c-content { flex-direction: column !important; gap: 40px !important; }
  .chart-container { width: 600px !important; height: 485px !important; }
  .c2-image-container { width: 160px !important; height: 130px !important; margin-top: -0.3em !important; margin-left: 1.5em !important; }
  .c-text-content { font-size: 1.2em !important; padding: 2em !important; }
  h3 { font-size: 1.6em !important; }
}

@media (max-width: 480px) {
  .page-c-container { padding: 0 1em !important; }
  .chart-container { width: 250px !important; height: 250px !important; }
  .c2-image-container { width: 90px !important; height: 70px !important; margin-top: -0.2em !important; margin-left: 1em !important; }
  .c-text-content { font-size: 0.9em !important; padding: 1em !important; }
  h3 { font-size: 1.1em !important; }
}

/* D 页面响应式 */
@media (max-width: 768px) {
  .page-d-container { padding: 0 2em !important; }
  .page-d-outer-border { padding: 1.5em !important; border-width: 2px !important; }
  .d-text-content { font-size: 1.2em !important; padding: 2em !important; }
  h3 { font-size: 1.6em !important; }
}

@media (max-width: 480px) {
  .page-d-container { padding: 0 1em !important; }
  .page-d-outer-border { padding: 1em !important; border-width: 2px !important; }
  .d-text-content { font-size: 1.1em !important; padding: 1.5em !important; }
  h3 { font-size: 1.4em !important; }
}

.visible { opacity: 1 !important; }

/* E 页面响应式 */
@media (max-width: 768px) {
  .page-e-container { padding: 0 1em !important; }
  .charts-wrapper { 
    flex-direction: column !important; 
    gap: 40px !important; 
    align-items: center !important;
  }
  .chart-container-e { 
    width: 600px !important; 
    height: 500px !important;
    max-width: 100% !important;
  }
  h2 { font-size: 1.6em !important; margin-bottom: 2em !important; }
  h3 { font-size: 1.3em !important; }
}

@media (max-width: 480px) {
  .page-e-container { padding: 0 1em !important; }
  .charts-wrapper { 
    gap: 30px !important; 
    align-items: center !important;
  }
  .chart-container-e { 
    width: 400px !important; 
    height: 450px !important;
    max-width: 100% !important;
  }
  h2 { font-size: 1.2em !important; margin-bottom: 1.2em !important; }
  h3 { font-size: 1em !important; }
  
  /* E页面图表标签在480px下横排显示在图表下面 */
  .chart-container-e canvas {
    margin-bottom: 20px !important;
  }
  
  /* F页面标题在480px下字体变大 */
  .page-f-text h3 { font-size: 1.8em !important; }
}

/* A页面480px响应式设计 */
@media (max-width: 480px) {
  /* A页面 - 480px下图片上下排列，保持长宽比，图片变小 */
  .page-a-content { 
    flex-direction: column !important; 
    gap: 20px !important; 
  }
  .page-a-text h3 { font-size: 1.6em !important; }
  .page-a-text p { font-size: 0.9em !important; }
  
  /* A页面图片区域 - 上下排列，图片变小但保持长宽比 */
  #page-a .page-a-images { 
    flex-direction: column !important; 
    gap: 10px !important; 
    align-items: center !important;
    display: flex !important;
  }
  #page-a .page-a-images .image-container { 
    max-width: 50% !important; 
    width: 50% !important;
    height: auto !important;
    aspect-ratio: 280/220 !important;
    flex: none !important;
  }
  #page-a .page-a-images .image-container img { 
    width: 100% !important; 
    height: 100% !important; 
    object-fit: cover !important;
  }
}

/* G 页面滚动条与悬浮效果 */
#g-card-track::-webkit-scrollbar { height: 8px; }
#g-card-track::-webkit-scrollbar-thumb { background: rgba(0,0,0,0.15); border-radius: 4px; }
#g-card-track.dragging { cursor: grabbing; cursor: -webkit-grabbing; }
#page-g .g-card:hover > div { transform: translateY(-4px); box-shadow: 0 14px 28px rgba(106, 76, 147, 0.40); transition: all .25s ease; }

/* ===== 新增动画效果 ===== */

/* 页面滚动淡入动画 */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease-out;
}

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

/* 从左滑入动画 */
.slide-in-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: all 0.8s ease-out;
}

.slide-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 从右滑入动画 */
.slide-in-right {
  opacity: 0;
  transform: translateX(50px);
  transition: all 0.8s ease-out;
}

.slide-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* 缩放进入动画 */
.scale-in {
  opacity: 0;
  transform: scale(0.8);
  transition: all 0.8s ease-out;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* 延迟动画类 */
.delay-1 { transition-delay: 0.6s; }
.delay-2 { transition-delay: 1.2s; }
.delay-2-5 { transition-delay: 1.5s; }
.delay-3 { transition-delay: 1.8s; }
.delay-4 { transition-delay: 2.4s; }
.delay-5 { transition-delay: 3.0s; }
.delay-6 { transition-delay: 3.6s; }
.delay-7 { transition-delay: 4.2s; }
.delay-8 { transition-delay: 4.8s; }

/* 增强的图片悬停效果 */
.image-container {
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  overflow: hidden;
}

.image-container:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.image-container img {
  transition: transform 0.4s ease;
}

.image-container:hover img {
  transform: scale(1.05);
}

/* 打字机动画 */
.typewriter {
  overflow: hidden;
  border-right: 2px solid #6A4C93;
  white-space: nowrap;
  animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: #6A4C93; }
}

/* 数字计数动画 */
.counter {
  font-variant-numeric: tabular-nums;
}

/* 卡片进入动画 */
.g-card {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease-out;
}

.g-card.visible {
  opacity: 1;
  transform: translateY(0);
}

/* 背景装饰动画 */
.floating-element {
  position: absolute;
  border-radius: 50%;
  background: linear-gradient(45deg, rgba(106, 76, 147, 0.1), rgba(155, 89, 182, 0.1));
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(180deg); }
}

/* 脉冲动画 */
.pulse {
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

/* 渐变文字效果 */
.gradient-text {
  background: linear-gradient(45deg, #6A4C93, #9B59B6, #E74C3C);
  background-size: 200% 200%;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 3s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* 波浪动画 */
.wave {
  animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
  0%, 100% { transform: rotate(0deg); }
  25% { transform: rotate(5deg); }
  75% { transform: rotate(-5deg); }
}