/* ==================================================================
 * v9 增量样式（在 v8 之后加载，仅做定向覆盖，不改动 v1~v8 既有规则）
 * -------------------------------------------------------------------
 * v9-1  抽奖区带：左标签 / 中主标题 / 右按钮 三段严格布局 + 整体加高
 * v9-2  奖品一览：卡片容器左右边缘与上下版块像素级对齐（0px 偏差）
 * v9-3  顶栏音乐按钮 + 音乐设置面板（静音 / 背景音乐 / 开奖音乐）
 * ================================================================== */

/* ==================================================================
 * 1. 抽奖区带：三段式（grid 三列，中间列独占剩余空间并真正居中）
 * ================================================================== */
#stageSec .stage-main {
  display: grid !important;
  grid-template-columns: auto minmax(0, 1fr) auto !important;
  align-items: center !important;
  justify-content: initial !important;
  column-gap: clamp(18px, 2.2vw, 56px) !important;
  row-gap: 0 !important;
  width: 100% !important;
  text-align: left !important;
}

/* 左：仅「抽奖区 B · 抽奖进行中」标签，靠左 */
#stageSec .stage-left {
  display: flex !important;
  align-items: center !important;
  justify-content: flex-start !important;
  min-width: 0;
  flex: none;
}

/* 中：主标题独占「左标签与右按钮之间的剩余区域」，在该区域内水平+垂直居中 */
#stageSec .stage-center {
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 0;
  text-align: center !important;
  width: 100%;
}

#stageSec .stage-title {
  margin: 0 !important;
  padding: 0 !important;
  white-space: nowrap;
  text-align: center;
  line-height: 1.14;
}

/* 右：仅「开始抽奖」按钮，靠右，不抢标题主位 */
#stageSec .btn-lucky {
  justify-self: end !important;
  align-self: center !important;
  flex: none;
  margin: 0 !important;
}

/* 1.1 PC 大屏：整体加高（≈1.6~1.9 倍），主标题字号显著放大 */
@media (min-width: 1024px) {
  #stageSec .stage {
    display: flex !important;
    align-items: center !important;
    min-height: 15.4vh;
    padding: 1.6vh 2.6vh !important;
  }
  #stageSec .stage-main { min-height: 12.2vh; }

  #stageSec .stage-zone {
    font-size: 1.5vh;
    padding: .42em 1.3em;
    letter-spacing: .16em;
  }
  #stageSec .stage-zone .sz-dim { font-size: 1.42vh; }

  /* 主标题：全带最大字号（min 取 vh/vw 较小者，避免窄屏横向溢出） */
  #stageSec .stage-title {
    font-size: min(6.4vh, 3.25vw);
    font-weight: 900;
    letter-spacing: .055em;
  }

  #stageSec .btn-lucky {
    height: 7.2vh;
    min-width: max(17vh, 190px);
    padding: 0 3.6vh;
    font-size: 2.5vh;
    letter-spacing: .24em;
    border-radius: 1.4vh;
  }
}

/* 1.2 平板（768–1023）：仍是三段一行，字号用 vw 令牌 */
@media (min-width: 768px) and (max-width: 1023px) {
  #stageSec .stage { padding: 16px 18px !important; }
  #stageSec .stage-main { column-gap: 14px !important; }
  #stageSec .stage-title { font-size: clamp(20px, 2.5vw, 30px); font-weight: 900; }
  #stageSec .stage-zone { font-size: 12px; padding: .36em 1em; }
  #stageSec .btn-lucky {
    width: auto !important;
    min-width: 132px;
    max-width: none;
    height: 48px;
    padding: 0 18px;
    font-size: 16px;
    letter-spacing: .1em;
  }
}

/* 1.3 手机（≤767）：三段改纵向堆叠居中，杜绝挤压与横向溢出
   注：v3 起移动端默认隐藏舞台区（顶部单按钮为唯一入口）。v9 起三段式
   抽奖区带在手机端也保留展示（标签 / 主标题 / 按钮纵向堆叠），因此这里
   显式恢复 display，保持与 PC 相同的功能与文案一致。 */
@media (max-width: 767px) {
  #stageSec { display: block !important; }
  #stageSec .stage { padding: 12px 14px !important; min-height: 0; }
  #stageSec .stage-main {
    grid-template-columns: minmax(0, 1fr) !important;
    row-gap: 10px !important;
    justify-items: center !important;
    text-align: center !important;
  }
  #stageSec .stage-left { justify-content: center !important; }
  #stageSec .stage-center { width: 100% !important; }
  #stageSec .stage-title {
    font-size: clamp(16px, 5.2vw, 22px);
    white-space: normal;
    letter-spacing: .02em;
  }
  #stageSec .btn-lucky {
    justify-self: center !important;
    width: auto;
    min-width: 108px;
    max-width: none;
    height: 44px;
    padding: 0 16px;
    font-size: 15px;
    letter-spacing: .08em;
  }
}

/* ==================================================================
 * 2. 奖品一览：左右边缘与上下版块像素级对齐
 * -------------------------------------------------------------------
 * 原因：v5 给 .prize-stage 加了左右 padding（0 var(--s-4)），使卡片区比
 *       .sec-stage / .sec-feed 窄出 2×padding；同时视口 mask 淡入会让
 *       首末卡边缘看起来「内缩」。v9 同时去掉两者，容器直接与版块同宽。
 * ================================================================== */
#secPrizes .prize-stage {
  padding-left: 0 !important;
  padding-right: 0 !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}
#secPrizes .prize-viewport {
  -webkit-mask-image: none !important;
  mask-image: none !important;
  border-radius: 0 !important;
  width: 100% !important;
}
/* 跑马灯左右切换按钮改为叠在卡片边缘之上，不再靠 padding 让位 */
#secPrizes .pv-nav {
  z-index: 6;
  background: rgba(18, 2, 5, .74);
  border-color: rgba(227, 185, 95, .5);
}
#secPrizes .pv-prev { left: 4px !important; }
#secPrizes .pv-next { right: 4px !important; }

/* 静止铺满模式：卡片严格铺满整行宽度（gap 均分，无额外缩进）
   说明：用 flex:1 1 0 让 5 张卡等分「容器宽 - gap 总额」，避免 width:
   calc() 因 1/5 非整除取整后右边缘差 0.1px 的问题，左右边缘与容器完全重合 */
#secPrizes .prize-stage.is-static .prize-track {
  justify-content: flex-start;
  width: 100%;
}
#secPrizes .prize-stage.is-static .pc-card {
  flex: 1 1 0;
  width: auto;
  max-width: none;
  min-width: 0;
}

/* ==================================================================
 * 3. 顶栏音乐按钮 + 音乐设置面板
 * ================================================================== */
.music-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
  flex: none;
}

.music-btn {
  position: relative;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.music-btn .mu-ico {
  width: 56%;
  height: 56%;
  display: block;
}
.music-btn .mu-ico-off { display: none; }
.music-btn.is-muted .mu-ico-on { display: none; }
.music-btn.is-muted .mu-ico-off { display: block; }
.music-btn.is-muted { color: rgba(255, 226, 190, .62); }
.music-btn.is-muted::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: inherit;
  border: 1px solid rgba(255, 120, 120, .45);
  pointer-events: none;
}
.music-btn[aria-expanded="true"] {
  color: #2C0705;
  background: linear-gradient(160deg, var(--gold-200), var(--gold-500));
  border-color: rgba(255, 236, 190, .9);
}

/* 面板 */
.music-panel {
  position: absolute;
  top: calc(100% + 12px);
  right: 0;
  z-index: 90;
  width: clamp(252px, 21vw, 320px);
  padding: 14px 16px 12px;
  border-radius: 14px;
  border: 1px solid rgba(227, 185, 95, .34);
  background:
    radial-gradient(ellipse at 100% 0%, rgba(227, 185, 95, .16) 0%, rgba(0, 0, 0, 0) 60%),
    linear-gradient(165deg, rgba(74, 10, 20, .98) 0%, rgba(34, 4, 9, .99) 100%);
  box-shadow: 0 22px 48px -18px rgba(0, 0, 0, .95), inset 0 1px 0 rgba(255, 232, 180, .14);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity .18s ease, transform .18s ease, visibility .18s;
  text-align: left;
}
.music-panel.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.mp-head {
  display: flex;
  flex-direction: column;
  gap: 3px;
  padding-bottom: 10px;
  margin-bottom: 8px;
  border-bottom: 1px solid rgba(227, 185, 95, .18);
}
.mp-head b {
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--gold-200);
  font-weight: 800;
}
.mp-sub {
  font-size: 11px;
  letter-spacing: .04em;
  color: rgba(255, 230, 196, .48);
}

.mp-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 2px;
  margin: 0;
  cursor: pointer;
  user-select: none;
}
.mp-row:hover .mp-k { color: #FFE9C8; }
.mp-k {
  display: flex;
  flex-direction: column;
  gap: 2px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .04em;
  color: rgba(255, 238, 214, .88);
}
.mp-k em {
  font-style: normal;
  font-size: 10.5px;
  font-weight: 500;
  letter-spacing: .02em;
  color: rgba(255, 230, 196, .46);
}

/* 开关 */
.mp-sw { position: relative; display: inline-flex; flex: none; }
.mp-sw input {
  position: absolute;
  inset: 0;
  opacity: 0;
  margin: 0;
  cursor: pointer;
  z-index: 2;
  width: 100%;
  height: 100%;
}
.mp-sw i {
  display: block;
  width: 38px;
  height: 21px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(227, 185, 95, .3);
  transition: background .18s, border-color .18s;
  position: relative;
}
.mp-sw i::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 15px;
  height: 15px;
  border-radius: 50%;
  background: rgba(255, 236, 208, .72);
  transition: transform .18s ease, background .18s;
}
.mp-sw input:checked + i {
  background: linear-gradient(160deg, var(--gold-300), var(--gold-500));
  border-color: rgba(255, 236, 190, .8);
}
.mp-sw input:checked + i::after {
  transform: translateX(17px);
  background: #3A0B06;
}
.mp-sw input:focus-visible + i { outline: 2px solid var(--gold-200); outline-offset: 2px; }
/* 静音开启时，另两个开关视觉置灰（仍可预置状态） */
.music-panel.is-muted .mp-row[for="swBgm"],
.music-panel.is-muted .mp-row[for="swReveal"] { opacity: .42; }

.mp-note {
  margin-top: 6px;
  padding-top: 9px;
  border-top: 1px dashed rgba(227, 185, 95, .18);
  font-size: 10.5px;
  line-height: 1.65;
  letter-spacing: .02em;
  color: rgba(255, 230, 196, .52);
}
.mp-note code {
  font-family: var(--font-num);
  color: var(--gold-200);
  background: rgba(0, 0, 0, .32);
  padding: 1px 5px;
  border-radius: 4px;
}

.mp-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
}
.mp-state {
  font-size: 11px;
  letter-spacing: .04em;
  color: rgba(255, 230, 196, .56);
}
.mp-test {
  height: 28px;
  padding: 0 12px;
  border-radius: 8px;
  font-size: 11.5px;
  letter-spacing: .06em;
  color: #2C0705;
  background: linear-gradient(160deg, var(--gold-200), var(--gold-500));
  border: 1px solid rgba(255, 236, 190, .7);
  cursor: pointer;
  transition: filter .16s, transform .12s;
}
.mp-test:hover { filter: brightness(1.08); }
.mp-test:active { transform: translateY(1px); }

/* 手机上把面板收窄，避免超出视口 */
@media (max-width: 480px) {
  .music-panel {
    width: min(78vw, 280px);
    right: -6px;
  }
}