/* html {
  box-sizing: border-box;
}
*, *:before, *:after {
  box-sizing: inherit;
}

@mixin center() {
  display: flex;
  justify-content: center;
  align-items: center;
} */

 /*移除 body 的全局样式 */
 /* body {
  margin: 0;

} */

/* 将居中样式应用到 .container 或新的父容器 */
/* .image-comparison-wrapper {
  position: relative;
  width: 10%;
  max-width: 1200px;
  height: 800px;
  margin: auto;
  display: block;
  overflow: hidden;
} */

/* 新增图片样式，保证图片铺满容器且不变形 */
.comparison-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  user-select: none;
}

/* 背景和前景容器不再用 background-image */
.background-img,
.foreground-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%; /* 前景宽度由JS控制 */
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.foreground-img {
  width: 100%; /* 固定宽度 */
  height: 100%;
  z-index: 2;
  position: absolute;
  top: 0;
  left: 0;
  overflow: hidden;
}

/* slider只显示一条线，放在图片中间 */
.slider {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background: transparent;
  margin: 0;
  z-index: 3;
  pointer-events: auto;
  /* 隐藏原生滑块，只显示自定义按钮 */
}

.slider::-webkit-slider-thumb {
  opacity: 0;
}
.slider::-moz-range-thumb {
  opacity: 0;
}
.slider::-ms-thumb {
  opacity: 0;
}
.slider::-webkit-slider-runnable-track {
  opacity: 0;
}
.slider::-moz-range-track {
  opacity: 0;
}
.slider::-ms-fill-lower,
.slider::-ms-fill-upper {
  opacity: 0;
}

/* image-comparison主容器尺寸 */
.image-comparison-wrapper {
  position: relative;
  width: 120%;
  max-width: 1280px;
  height: 640px;
  margin: auto;
  display: block;
  overflow: hidden;
}

/* 分割线按钮尺寸 */
.slider-button {
  position: absolute;
  top: 50%;
  left: calc(50% - 25px); /* JS控制left，按钮宽度一半 */
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: rgba(255,255,255,0.3); /* 半透明白色 */
  /* 移除边框 */
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  z-index: 4;
  transform: translateY(-50%);
  pointer-events: none;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.slider-button::before,
.slider-button::after {
  content: '';
  position: absolute;
  top: 50%;
  width: 15px;
  height: 15px;
  border: solid #313131;
  border-width: 0 3px 3px 0;
  display: inline-block;
  padding: 3px;
  background: transparent;
}

.slider-button::before {
  left: 10px; /* 按钮左侧 */
  transform: translateY(-50%) rotate(135deg);
}

.slider-button::after {
  right: 10px; /* 按钮右侧 */
  transform: translateY(-50%) rotate(-45deg);
}

.slider-line {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom, rgba(255,255,255,0.7), rgba(255,255,255,0.8));
  z-index: 3; /* 比按钮低，按钮z-index:4 */
  border-radius: 4px;
  box-shadow: 0 4px 24px 4px rgba(0,0,0,0.25), 0 0 8px 2px rgba(0,0,0,0.10); /* 增强阴影效果 */
  pointer-events: none;
}

/* 按钮组样式 */
.cmp-button-group {
  display: flex;
  justify-content: center;
  margin-bottom: 16px;
}

/* 美化按钮样式 */
.cmp-button {
  padding: 12px 64px; /* 增加按钮的高度和宽度 */
  margin: 0 12px; /* 增加按钮之间的间距 */
  background-color: #eceef1; /* 按钮背景色 */
  color: #0a0a0a; /* 按钮文字颜色 */
  border: none; /* 移除边框 */
  border-radius: 8px; /* 增加圆角 */
  cursor: pointer;
  font-size: 16px; /* 增大字体 */
  font-weight: bold; /* 加粗文字 */
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15); /* 添加阴影 */
  transition: background-color 0.3s, box-shadow 0.3s; /* 添加过渡效果 */
}

/* 鼠标悬停时的效果 */
.cmp-button:hover {
  background-color: #48494b; /* 悬停时的背景色 */
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2); /* 增强阴影效果 */
}

/* 选中状态的按钮样式 */
.cmp-btn-checked {
  background-color: #797979; /* 选中状态的背景色 */
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3); /* 增强阴影效果 */
}