html, body {
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    cursor: default;
  }

/* 年龄（不显示） */
  #age-container {
    position: absolute;
    right: 0;
    width: 33.33%;
    height: 100%;
    transform: translateY(-30%); 
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 10px;
    color: #333;
    visibility: hidden;
  }
  /*  活球计数（不显示） */
  #alive-count{
    position: absolute;
    
    visibility: hidden;
  }
  /*  球球计数（不显示） */
  #click-count{
    position: absolute;
    transform: translateY(100%);
    visibility: hidden;
  }

/* 主游戏交互界面 */
#game-container-outer {
  position: absolute;
  width: 520px;
  height: 520px;
  border: 5px solid black;
  border-radius: 50%;
  /* border:1px solid blue; */
}

  #game-container {
    position: relative;
    width: 500px;
    height: 500px;
    border: 5px solid black;
    border-radius: 50%;
    /* border:1px solid blue; */
    user-select: none; /*  用户不可选元素*/
  }

  #border-path-container {
    position: absolute;
    z-index: 0;
    transform: scaleX(-1) rotate(270deg);
    width: 600px;
    height:600px;
    display: flex;              /* 使用Flexbox来居中子元素 */
    justify-content: center;    /* 水平居中子元素 */
    align-items: center;        /* 垂直居中子元素 */
    /* border: 1px solid blue; */
}
  
#border-path {
    fill: none;
    stroke: black;
    stroke-width: 10;
    transition: stroke-dashoffset 0.5s ease-out;
    visibility: hidden;
    /* border:10px solid red; */
}

/* 球球动画 */
  .ball {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: red;
    border-radius: 50%;
    font-size: 4px; 
    line-height: 20px; /* 垂直居中，与球的高度相同 */
    color: white; 
    text-align: center; 
    user-select: none; /*  用户不可选文字*/
    font-family: 'Baloo';
    animation: bounceAnimation 0.2s ease-in ;
    transform-origin: center center;
  }
 /* 初球出现动画 */
  @keyframes bounceAnimation {
    0% {
        transform: scale(0.2); 
        opacity: 1;
      }
      100% {
        transform: scale(1); 
        opacity: 1;
      }
}

/* 球消失动画 */
@keyframes disappearAnimation {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 名字框 */
#nameList-container {
  position: absolute;
  right: 0;
  width: 30%;
  height: 100%;
  transform: translateY(-30%);
  display: flex;
  justify-content: center;
  align-items: center;
  color: #333;
  /* border:1px solid red; */
}
/*人名及对应关系*/
#nameList{
  width: 350px;/*宽*/
  max-height: 150px; /*高 */
  overflow-y: auto; /* 当内容超出容器时显示滚动条 */
  font-size: 16px;
   /* border-bottom:2px solid black;  */
}
/*人名和故事分割线*/
#divideLine {
  display: flex;
  flex-direction: column;
  align-items: center; 
}
.label-top, .label-bottom {
  font-family: 'Baloo';
  font-size: 15px; 
  margin: 0; 
}
.divider-line {
  width:  350px;  
  border: none;
  border-top: 2px solid black; 
  margin: 0;   
}

/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 橡皮交互界面 */
#eraser-container {
  position: absolute;
  left: 0;
  bottom: 0; /* Position it at the bottom of its parent */
  width: 33.33%;
  height: 100%; /* Take up half the height of its parent */
  display: flex;
  justify-content: center;
  align-items: center;
    /* border:1px solid green; */
  }

  #eraser-image {
    width: 80px;
  }

/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 文字动画 */
#story-container {
  position: absolute;
  right: 0;
  /* width: 33.33%; */
  width: 30%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #333;
  /* border:1px solid red; */
}
/*叙事框*/
#story {
  width: 350px;/*宽*/
  max-height: 400px; /*高 */
  overflow-y: auto; /* 当内容超出容器时显示滚动条 */
  font-size: 16px;
  /* border:1px solid black; */
}
.story-entry {
  opacity: 0;
  margin-top: 10px;
  margin-bottom: 10px;
  transform: translateX(20%);
  animation: slideFromLeft 1s forwards;
  /* font-family:'GT-America-md'; */
  font-family: 'Baloo';
  will-change: transform, opacity;  /* 这会提示浏览器提前做优化，让动画更加流畅 */
  /* border:1px solid red; */
  }

/* 文字插入动画 */
@keyframes slideFromLeft {
0% {
    transform: translateX(20%);
    opacity: 0;
}
100% {
    transform: translateX(0);
    opacity: 1;
}
}

/* 文字颜色动画（非抉择故事） */
@keyframes textColorChange {
from {
    color: inherit;  
}
to {
    /* 这里不指定颜色在 JavaScript 中动态设置颜色 */
}
}

.animated-text-color {
animation: textColorChange 0.8s ease-out forwards;
}

  /* 定义垂直滚动条的宽度 */
::-webkit-scrollbar {
  width: 6px; 
}

/* 定义滚动条的轨道（背景） */
::-webkit-scrollbar-track {
  background: white;
  border-radius: 10px; 
}

/* 定义滚动条的滑块 */
::-webkit-scrollbar-thumb {
  background: silver;
  border-radius: 10px; 
  /* border:1px solid black; */
}

/* 定义水平滚动条的高度 */
::-webkit-scrollbar {
  height: 0px;
}

/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 抉择故事 */
.event {
  opacity: 0;
  margin-top: 10px;
  margin-bottom: 10px;
  transform: translateX(20%);
  animation: slideFromLeft 1s forwards;
  will-change: transform, opacity; 
  /* border: 1px solid blue; */
  text-align: left; 
  font-family: 'Baloo';
  
}
.event p {
  margin: 0;
  padding: 0;
}
/* 按钮样式 */
.button-style {
  font-size: 15px;
  width: 150px; 
  height: 30px; 
  margin-top: 10px;
  margin-bottom: 20px;
  background-color: white;
  color: black; 
  border: 3px solid black; 
  cursor: pointer;
  border-radius: 20px; 
  display: inline-block;
  transition: all 0.2s ease-out; 
  z-index: 1001;
}

.button-style:hover {
  background-color: black; 
  color: white;
}

/*计时器样式 */
.gif-style {
  width: 400px;
  /* border: 1px solid blue; */
}
/*提示文字样式*/
.choice-text {
  padding: 0;
  margin: 0;
  color: black;
  font-size: 18px;
  font-weight: bold;
  margin-bottom: 0px;
}
/* ———————————————————————————————————————————————————————————————————————————————————— */
/* gif消失动画 */
@keyframes fadeOut {
  to {
      opacity: 0;
  }
}
.fade-out {
  animation: fadeOut 1s forwards;
}

@keyframes fadeOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}

.fade-in {
  opacity: 0;
  animation: fadeIn 1s forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}


/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 提示窗口 */
#alert-text {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  padding: 20px;
  background-color: white;
  /* border: 1px solid black; */
  border-radius: 10px;
  opacity: 0.8;
  transition: opacity 0.5s ease-in-out; /* 添加 transition 属性 */
  font-family: 'ABC-Whyte-Mid';
  z-index: 1000;
}

/* ———————————————————————————————————————————————————————————————————————————————————— */
/* 添加结束动画和按钮 */
.fade-rectangle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: white;
  z-index: 1000;
  opacity: 0;
}

#end-container {
  width: 100vw;
  height: 100vh;
  display: none;
  /* border: 1px solid black; */
}

.end-image {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  /* height: 100%; */
  width: 100%;
  z-index: 10001;
   /* border: 1px solid black; */
}

.end-story-container {
  position: absolute;
  right: 0;
  width: 50%;
  height: 100%;
  z-index: 10001;
  display: flex;
  flex-direction: column; 
  justify-content: center;
  align-items: center;
  /* border:1px solid red; */
}

.end-story {
  width: 350px;
  max-height: 400px; 
  overflow-y: auto;
  font-size: 20px;
  z-index: 1001;
  transform: translateY(0%); 
  /* border:1px solid black; */
}


.button-container {
  position: relative; 
  top: 5%;           
  width: 350px;
  display: flex;
  z-index: 10001;
  justify-content: space-between;
  transform: translateY(-20%); 
  /* border:1px solid black; */
}
/* 结束按钮样式 */
.button-style-end {
  font-size: 20px;
  width: 160px; 
  height: 40px; 
  margin-top: 10px;
  margin-bottom: 20px;
  background-color:  black;
  color:  white; 
  border: 4px solid black; 
  cursor: pointer;
  border-radius: 20px; 
  display: inline-block;
  transition: all 0.2s ease-out; 
  z-index: 1001;
}

.button-style-end:hover {
  background-color: white; 
  color: black;
}
/* 最终游戏开启 -------------------------------------------------*/
#gif1, #gif2, #gif3, #gif4, #gif5 {
  position: absolute;
  display: none;
  width: 100vw;
  height: 100vh;
  z-index: -9;
}