*{margin:0;padding:0;box-sizing:border-box}
body{
  background:#f5f2ed;
  color:#1e1e1e;
  font-family:"华文楷体","STKaiti","KaiTi","楷体",serif;
  overflow:hidden;
  height:100vh
}

/* 背景视频层 - 无遮罩、无滤镜，原样呈现 */
#bg-video-layer{
  position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:1;overflow:hidden;
  background:#1a1a1a;
}
.bg-player{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:100vw;height:56.25vw;min-height:100vh;min-width:177.78vh;
  border:none;transition:opacity 0.5s ease;opacity:1;
  filter:none;
}
#bg-player1{z-index:2;opacity:1}
#bg-player2{z-index:1;opacity:0}

/* 遮罩层 - 完全移除 */
#bg-dim{
  display:none;
}

#video-label{
  position:absolute;bottom:18px;right:20px;z-index:3;
  font-size:11px;color:rgba(255,255,255,0.3);letter-spacing:1px;pointer-events:none;
  font-family:"华文楷体","STKaiti","KaiTi","楷体",serif
}

/* ===== 顶部工具栏：flex 布局 ===== */
.top-toolbar{
  position:fixed;top:12px;left:50%;transform:translateX(-50%);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:center;
  gap:8px 12px;
  background:rgba(255,255,255,0.7);
  backdrop-filter:blur(12px);
  padding:8px 18px;
  border-radius:40px;
  border:1px solid rgba(255,255,255,0.3);
  box-shadow:0 4px 20px rgba(0,0,0,0.08);
  z-index:30;
  max-width:95%;
  pointer-events:auto;
}

.top-btn{
  background:rgba(255,255,255,0.4);
  border:1px solid rgba(0,0,0,0.06);
  color:#1e1e1e;
  padding:5px 14px;
  border-radius:20px;
  font-size:12px;
  font-family:inherit;
  cursor:pointer;
  transition:all 0.3s;
  white-space:nowrap;
  line-height:1.4;
}
.top-btn:hover{
  background:rgba(0,168,107,0.15);
  border-color:#00A86B;
}
.top-btn.active{
  background:rgba(0,168,107,0.2);
  border-color:#00A86B;
}

.volume-control{
  display:flex;align-items:center;gap:4px;
  background:rgba(255,255,255,0.3);
  border-radius:20px;
  padding:2px 10px 2px 6px;
}
.volume-icon{font-size:14px;opacity:0.6;}
.volume-slider{
  width:60px;height:4px;background:#ccc;border-radius:2px;outline:none;
  -webkit-appearance:none;appearance:none;
}
.volume-slider::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;
  width:12px;height:12px;border-radius:50%;background:#00A86B;cursor:pointer;
}

/* 下拉菜单容器 */
.mood-wrapper, .music-select-wrapper{
  position:relative;
  display:inline-block;
}

/* 氛围菜单 - 默认隐藏，点击切换显示 */
.mood-menu{
  display:none;
  position:absolute;
  top:calc(100% + 8px);
  left:50%;
  transform:translateX(-50%);
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(8px);
  border:1px solid rgba(0,0,0,0.08);
  border-radius:16px;
  padding:8px 10px;
  min-width:140px;
  box-shadow:0 8px 30px rgba(0,0,0,0.12);
  z-index:40;
}
.mood-menu.show{
  display:flex !important;
  flex-wrap:wrap;
  justify-content:center;
  gap:4px 8px;
}
.mood-menu div{
  padding:4px 12px;
  cursor:pointer;
  color:#333;
  font-size:12px;
  border-radius:12px;
  transition:all 0.2s;
  font-family:inherit;
  background:rgba(0,0,0,0.02);
  border:1px solid transparent;
}
.mood-menu div:hover{
  background:rgba(0,168,107,0.12);
  border-color:#00A86B;
}
.mood-menu div.active{
  background:rgba(0,168,107,0.2);
  color:#00A86B;
  border-color:#00A86B;
}

.music-menu{
  display:none;
  position:absolute;
  top:calc(100% + 8px);
  left:50%;
  transform:translateX(-50%);
  background:rgba(255,255,255,0.95);
  backdrop-filter:blur(8px);
  border:1px solid rgba(0,0,0,0.08);
  border-radius:16px;
  padding:8px 10px;
  min-width:140px;
  box-shadow:0 8px 30px rgba(0,0,0,0.12);
  z-index:40;
}
.music-menu div{
  padding:4px 14px;
  cursor:pointer;
  color:#333;
  font-size:12px;
  border-radius:12px;
  transition:all 0.2s;
  font-family:inherit;
}
.music-menu div:hover{
  background:rgba(0,168,107,0.1);
}

/* 内容层 */
.carousel-container{
  position:relative;width:100vw;height:100vh;overflow:hidden;z-index:10
}
.carousel-track{
  display:flex;height:100vh;
  transition:transform 0.6s cubic-bezier(0.25,0.46,0.45,0.94)
}
.player-wrapper{
  position:relative;min-width:100%;height:100vh;overflow:hidden
}

/* 字幕区域 - 半透明黑底保留，文字清晰 */
.overlay-text{
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 2000px;
  background: rgba(0,0,0,0.25);
  backdrop-filter: blur(6px);
  padding: 16px 28px 20px;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.08);
  transition: all 0.3s;
}
.overlay-text h2{
  font-size: 1.2em;
  margin-bottom: 4px;
  color: rgba(255,255,255,0.6);
  text-shadow: 0 1px 6px rgba(0,0,0,0.6);
  letter-spacing: 2px;
  font-weight: normal;
  font-family: "华文楷体","STKaiti","KaiTi","楷体",serif;
}
.scroll-text{
  min-height:2.6em;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.scroll-text p{
  font-size:clamp(1.4rem, 4.5vw, 2.8rem);
  line-height:1.6;
  color:#ffffff;
  text-shadow:0 2px 8px rgba(0,0,0,0.8);
  font-family:"华文楷体","STKaiti","KaiTi","楷体",serif;
  margin:0;
  letter-spacing:1px;
  word-break:break-all;
}
.scroll-text .spoken {
  color:#FFD700 !important;
  background:rgba(255,215,0,0.25);
  padding:0 2px;
  border-radius:4px;
  font-weight:bold;
  text-shadow:0 0 20px rgba(255,215,0,0.6);
  transition:all 0.1s ease;
  display:inline-block;
}

/* 导航按钮 - 图片路径已修改为 ../images/ */
.nav-buttons{
  position:absolute;top:50%;left:0;right:0;transform:translateY(-50%);
  display:flex;justify-content:space-between;z-index:10;pointer-events:none;padding:0 10px;
}
.prev-btn,.next-btn{
  pointer-events:auto;width:50px;height:50px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.3);
  background-color:rgba(0,0,0,0.3);
  background-size:70%;
  background-repeat:no-repeat;
  background-position:center;
  cursor:pointer;display:block;flex-shrink:0;transition:all 0.3s;
}
.prev-btn{background-image:url(../images/wmykx.png)}
.next-btn{background-image:url(../images/kxywm.png)}
.prev-btn:hover,.next-btn:hover{background-color:rgba(255,255,255,0.2);border-color:#FFD700;}

/* 底部圆点 */
.dots{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);display:flex;gap:8px;z-index:20}
.dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,0.3);cursor:pointer;transition:all 0.3s;border:1px solid rgba(255,255,255,0.1)}
.dot.active{background:#FFD700;transform:scale(1.3);border-color:#FFD700;}

/* 章节标签 */
.chapter-label{
  position:fixed;top:70px;right:20px;z-index:20;
  font-size:13px;color:rgba(255,255,255,0.6);letter-spacing:2px;
  background:rgba(0,0,0,0.3);padding:4px 14px;border-radius:20px;
  backdrop-filter:blur(4px);
  border:1px solid rgba(255,255,255,0.05);
}

/* 移动端适配 */
@media(max-width:768px){
  .top-toolbar{top:8px;padding:6px 12px;gap:4px 8px;border-radius:28px;}
  .top-btn{font-size:10px;padding:3px 10px;}
  .volume-slider{width:40px;}
  .overlay-text{width:90%;padding:12px 16px;bottom:20px;}
  .overlay-text h2{font-size:0.9em;}
  .scroll-text p{font-size:clamp(1.0rem, 4vw, 1.8rem);}
  .prev-btn,.next-btn{width:40px;height:40px}
  .chapter-label{font-size:10px;top:62px;right:10px;}
  .mood-menu{min-width:120px;padding:6px;}
  .mood-menu div{font-size:11px;padding:3px 10px;}
}

/* 氛围画布 */
#m-canvas{position:fixed;top:0;left:0;width:100vw;height:100vh;z-index:25;pointer-events:none;display:none;}