/* ============================================================
     调色板：与主站协调
     - 主站：奶白底 / 海军蓝 ink+accent / 暖金 highlight / 衬线字
     - 牌桌：深海军蓝绒（呼应 --color-accent #1e3a5f），暖金细边
     - 卡片：奶白纸面（同 --color-bg），暖金边框，红 #8b2e2e / 黑 #1a1a2e
     - 强调色：暖金 #c9a96e（同 --color-highlight），不再用饱和金黄
     ============================================================ */
  .ddz-wrap {
    max-width: 820px;
    margin: 0 auto;
    padding: 1rem;
    --gs-wrap-half: 410px;
    --ddz-card-w: 52px;
    --ddz-card-h: 74px;
    --ddz-card-overlap: 30px;
    --ddz-card-mini-w: 38px;
    --ddz-card-mini-h: 54px;
    --ddz-card-mini-overlap: 22px;
    --ddz-card-bottom-w: 36px;
    --ddz-card-bottom-h: 52px;
    /* 牌面 */
    --ddz-card-bg: #fafaf9;
    --ddz-card-bg-2: #f5f4f0;
    --ddz-card-border: rgba(201,169,110,0.55);
    --ddz-card-border-strong: rgba(201,169,110,0.85);
    --ddz-suit-red: #8b2e2e;
    --ddz-suit-black: #1a1a2e;
    /* 牌桌（浅色奶油羊皮纸 — 按 UX 反馈切到亮色浅色系） */
    --ddz-felt-1: #f5f1e6;         /* 高光端 */
    --ddz-felt-2: #ebe5d3;         /* 中段 */
    --ddz-felt-3: #ddd5be;         /* 阴影端（轻微更深的米色） */
    --ddz-frame: #c9a96e;          /* 暖金细边（保留） */
    --ddz-frame-2: rgba(201,169,110,0.55);
    /* 文字 / 强调 — text-on-felt 变深色（深海军蓝），保证亮底高对比 */
    --ddz-text-on-felt: #1f2a3d;
    --ddz-text-on-felt-mute: rgba(31,42,61,0.62);
    --ddz-accent: #c9a96e;
    --ddz-accent-strong: #a87a2a;
    --ddz-joker-red: #8b2e2e;
    --ddz-joker-grey: #4a4a4a;
  }
  :root[data-theme="dark"] .ddz-wrap {
    --ddz-card-bg: #ece8de;
    --ddz-card-bg-2: #ddd6c5;
    --ddz-suit-red: #8b2e2e;
    --ddz-suit-black: #1a1a2e;
    /* 暗黑模式下牙床稍微调深一档，但仍走浅色系，不再回到深海军蓝 */
    --ddz-felt-1: #ebe4ce;
    --ddz-felt-2: #ddd4b7;
    --ddz-felt-3: #cbbfa0;
    --ddz-joker-grey: #3a3a3a;
  }

  .ddz-wrap header { text-align: center; margin-bottom: 1rem; }
  .ddz-wrap header h1 { font-size: 2rem; color: var(--color-ink); margin-bottom: 0.3rem; }
  .ddz-wrap header .sub { color: var(--color-light); font-style: normal; font-size: 0.92rem; }

  /* ======== Setup 面板 ======== */
  /* Setup 现在是叠在牌桌上的浮层（参考合成大西瓜：进页面就看到游戏画幅，
     这层只是"初始化的"游戏画面 + 一个开始游戏面板悬浮其上）。
     IDLE 阶段：浮层显；SETTLEMENT 阶段："再来一局/换难度"那个 game-over 浮层显，
     而 ddz-setup 隐 —— 通过 .ddz-table 上的 hidden / 类来控制。 */
  .ddz-setup {
    text-align: center;
    position: absolute;
    inset: 0;
    z-index: 8;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 1.2rem;
    background: radial-gradient(ellipse at center, rgba(13,24,43,0.78) 0%, rgba(13,24,43,0.55) 100%);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-radius: 14px;
  }
  .ddz-setup[hidden] { display: none !important; }
  .ddz-setup .ddz-setup-inner {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 14px;
    padding: 1rem 1.2rem;
    max-width: 460px;
    width: 100%;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 8px 28px rgba(13,24,43,0.4);
  }

  /* 一屏内分阶段：「① 模式 → ② 参数 → ③ 开始」清晰可见 */
  .ddz-setup-step { margin-bottom: 1.2rem; }
  .ddz-setup-step:last-child { margin-bottom: 0; }
  .ddz-setup-step-label {
    font-size: 0.74rem;
    color: var(--color-muted);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 0.55rem;
    font-family: var(--font-display);
  }

  .ddz-mode-row {
    display: inline-flex; gap: 0.5rem; margin-bottom: 0;
    padding: 0.3rem;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: 999px;
  }
  .ddz-playmode-btn {
    padding: 0.4rem 1rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-muted);
    font-family: inherit;
    font-size: 0.88rem;
    cursor: pointer;
    border-radius: 999px;
    transition: all 0.18s;
  }
  @media (hover: hover) {
    .ddz-playmode-btn:hover { color: var(--color-ink); }
  }
  .ddz-playmode-btn.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    font-weight: 600;
  }

  /* 联机入口 */
  .ddz-online-tabs {
    display: inline-flex; gap: 0.4rem;
    margin-bottom: 0.5rem;
    padding: 0.22rem;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: 8px;
  }
  .ddz-online-tab {
    padding: 0.32rem 0.85rem;
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-muted);
    font-family: inherit; font-size: 0.85rem;
    cursor: pointer; border-radius: 6px;
    transition: all 0.18s;
  }
  @media (hover: hover) {
    .ddz-online-tab:hover { color: var(--color-ink); }
  }
  .ddz-online-tab.active {
    background: var(--color-accent);
    color: #fff;
    font-weight: 600;
  }
  .ddz-online-form {
    display: flex; flex-direction: column; align-items: center;
    gap: 0.35rem;
    max-width: 320px; margin: 0 auto;
  }
  .ddz-online-input {
    width: 100%;
    padding: 0.42rem 0.8rem;
    font-size: 0.88rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: inherit;
    text-align: center;
    letter-spacing: 0.04em;
  }
  .ddz-online-input:focus { border-color: var(--color-accent); outline: none; }
  .ddz-online-hint {
    min-height: 1em;
    font-size: 0.78rem;
    color: var(--color-muted);
  }
  .ddz-online-hint.error { color: var(--ddz-suit-red); }
  /* 创建房间的参数表 —— 紧凑款，避免浮层撑出屏幕 */
  .ddz-online-config {
    display: flex; flex-direction: column; gap: 0.28rem;
    margin: 0.4rem 0;
    padding: 0.5rem 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-bg-warm);
    font-size: 0.8rem;
    width: 100%;
    max-width: 320px;
  }
  .ddz-online-config .cfg-row {
    display: flex; justify-content: space-between; align-items: center;
    gap: 0.4rem;
  }
  .ddz-online-config .cfg-row label {
    color: var(--color-muted);
    font-size: 0.76rem;
    flex: 0 0 auto;
  }
  .ddz-online-config .cfg-row select {
    flex: 1 1 auto;
    max-width: 60%;
    padding: 0.18rem 0.45rem;
    font-size: 0.76rem;
    border: 1px solid var(--color-border);
    border-radius: 4px;
    background: var(--color-bg);
    color: var(--color-ink);
    font-family: inherit;
  }
  .ddz-online-config .cfg-row select:focus { border-color: var(--color-accent); outline: none; }

  .ddz-config-summary {
    margin: 0.5rem 0 0.8rem;
    padding: 0.55rem 0.85rem;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.8rem;
    color: var(--color-muted);
    line-height: 1.6;
    text-align: left;
  }
  .ddz-config-summary strong { color: var(--color-ink); font-weight: 600; }
  .ddz-config-summary .sep { margin: 0 0.4rem; color: var(--color-light); }

  .ddz-online-resume {
    margin-top: 1.2rem;
    padding: 0.55rem 0.9rem;
    background: var(--color-bg-warm);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    font-size: 0.84rem;
    color: var(--color-muted);
    display: flex; gap: 0.5rem; align-items: center; justify-content: center;
    flex-wrap: wrap;
  }
  .ddz-btn-mini {
    padding: 0.28rem 0.7rem;
    font-size: 0.8rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-ink);
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
  }
  @media (hover: hover) {
    .ddz-btn-mini:hover { border-color: var(--color-accent); color: var(--color-accent); }
  }
  .ddz-btn-mini.ghost { background: transparent; color: var(--color-muted); }

  /* 大厅 */
  .ddz-lobby {
    max-width: 520px; margin: 1.2rem auto; text-align: center;
  }
  .ddz-room-banner {
    background: linear-gradient(160deg, var(--ddz-felt-1), var(--ddz-felt-2));
    color: var(--ddz-text-on-felt);
    border: 1px solid var(--ddz-frame-2);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    box-shadow: 0 3px 12px rgba(20,37,63,0.18);
  }
  .ddz-room-banner .label {
    font-size: 0.78rem;
    color: var(--ddz-text-on-felt-mute);
    letter-spacing: 0.1em;
    margin-bottom: 0.2rem;
    font-family: var(--font-display);
  }
  .ddz-room-banner .code {
    font-size: 2.6rem;
    letter-spacing: 0.5rem;
    font-weight: 700;
    color: var(--ddz-accent-strong);
    font-family: var(--font-body);
    margin-bottom: 0.4rem;
  }
  .ddz-room-banner .actions {
    display: flex; gap: 0.4rem; justify-content: center; flex-wrap: wrap;
  }
  .ddz-room-banner .actions .ddz-btn-mini {
    background: rgba(255,255,255,0.12);
    border-color: var(--ddz-frame-2);
    color: var(--ddz-text-on-felt);
  }
  @media (hover: hover) {
    .ddz-room-banner .actions .ddz-btn-mini:hover {
    background: rgba(255,255,255,0.2);
    color: var(--ddz-accent-strong);
  }
  }
  /* 空间化 lobby：贴合牌桌真实座位的三角布局(方案A) */
  .ddz-lobby-table {
    position: relative; aspect-ratio: 16 / 11; max-width: 420px; margin: 0.9rem auto;
    background:
      radial-gradient(ellipse at 50% 35%, rgba(255,253,245,0.4) 0%, transparent 60%),
      linear-gradient(160deg, var(--ddz-felt-1) 0%, var(--ddz-felt-2) 65%, var(--ddz-felt-3) 100%);
    border: 1px solid var(--ddz-frame-2); border-radius: 14px;
    box-shadow: inset 0 0 30px rgba(141,110,55,0.08);
  }
  .ddz-lobby-count {
    position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    font-family: var(--font-display); font-size: 0.72rem; font-weight: 700;
    color: #a87a2a; background: rgba(255,253,245,0.7);
    border: 1px solid var(--ddz-frame-2); border-radius: 999px; padding: 0.05rem 0.6rem; letter-spacing: 0.05em;
  }
  .ddz-lseat { position: absolute; width: 118px; text-align: center; }
  .ddz-lseat[data-pos="bottom"] { bottom: 10px; left: 50%; transform: translateX(-50%); }
  .ddz-lseat[data-pos="tr"] { top: 34px; right: 4px; }
  .ddz-lseat[data-pos="tl"] { top: 34px; left: 4px; }
  .ddz-lseat .av {
    width: 46px; height: 46px; border-radius: 50%; margin: 0 auto;
    display: flex; align-items: center; justify-content: center; font-size: 1.5rem;
    background: linear-gradient(180deg, #fafaf9, #eee9dd);
    border: 2px solid var(--ddz-frame); box-shadow: 0 2px 5px rgba(0,0,0,0.15);
  }
  .ddz-lseat.host .av { border-color: #f5d142; box-shadow: 0 0 12px rgba(245,209,66,0.55); }
  .ddz-lseat.me .av { border-color: var(--color-accent); }
  .ddz-lseat.empty .av { border: 2px dashed #b3ab98; background: rgba(255,255,255,0.35); color: #b3ab98; font-size: 1.6rem; }
  .ddz-lseat .nm {
    font-family: var(--font-display); font-weight: 700; font-size: 0.82rem; margin-top: 0.15rem;
    color: var(--color-accent); white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  }
  .ddz-lseat.empty .nm { color: #a49c88; }
  .ddz-lseat .badge {
    display: inline-block; font-size: 0.56rem; font-weight: 700;
    padding: 0.02rem 0.4rem; border-radius: 999px; margin-top: 0.08rem;
  }
  .ddz-lseat .badge.host { background: linear-gradient(135deg, #f5d142, #c9a96e); color: #3a2a05; }
  .ddz-lseat .badge.me { background: var(--color-accent); color: #fff; }
  .ddz-lseat .badge.offline { background: rgba(139,46,46,0.14); color: var(--ddz-suit-red); }
  .ddz-lseat .seatbtns { display: flex; gap: 0.25rem; justify-content: center; margin-top: 0.25rem; flex-wrap: wrap; }
  .ddz-lseat .sb {
    font-size: 0.62rem; font-weight: 700; padding: 0.14rem 0.45rem; border-radius: 999px;
    border: 1px solid var(--ddz-frame); background: #fafaf9; color: var(--color-accent);
    cursor: pointer; white-space: nowrap; font-family: inherit;
  }
  .ddz-lseat .sb.ai { background: rgba(245,209,66,0.22); color: #a87a2a; }
  .ddz-lseat .sb.warn { color: var(--ddz-suit-red); border-color: rgba(139,46,46,0.4); }
  .ddz-lseat .sb:active { transform: translateY(1px); }
  .ddz-lobby-actions {
    display: flex; gap: 0.5rem; justify-content: center;
    margin: 0.8rem 0;
  }
  .ddz-mode-tabs { display: inline-flex; gap: 0.25rem; margin-bottom: 0.7rem; flex-wrap: wrap; justify-content: center; }
  .ddz-mode-tab {
    padding: 0.36rem 0.68rem;
    font-size: 0.85rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 8px;
    cursor: pointer;
    color: var(--color-muted);
    transition: all 0.18s ease;
    font-family: inherit;
  }
  .ddz-mode-tab.active {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
  }
  @media (hover: hover) {
    .ddz-mode-tab:not(.active):hover { border-color: var(--color-accent); color: var(--color-ink); }
  }
  .ddz-btn {
    padding: 0.45rem 0.9rem;
    font-size: 0.9rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    border-radius: 8px;
    cursor: pointer;
    color: var(--color-ink);
    transition: all 0.18s;
    font-family: inherit;
  }
  @media (hover: hover) {
    .ddz-btn:hover:not(:disabled) { border-color: var(--color-accent); color: var(--color-accent); }
  }
  .ddz-btn:disabled { opacity: 0.4; cursor: not-allowed; }
  .ddz-btn.primary {
    background: var(--color-accent); color: #fff; border-color: var(--color-accent);
    font-weight: 600;
    padding: 0.55rem 1.4rem;
  }
  @media (hover: hover) {
    .ddz-btn.primary:hover:not(:disabled) { filter: brightness(1.08); color: #fff; }
  }

  /* ======== 牌桌：浅奶油羊皮纸 + 暖金细边 ======== */
  .ddz-table {
    background:
      radial-gradient(ellipse at 50% 35%, rgba(255,253,245,0.45) 0%, transparent 60%),
      radial-gradient(ellipse at 50% 100%, rgba(141,110,55,0.16) 0%, transparent 70%),
      linear-gradient(160deg, var(--ddz-felt-1) 0%, var(--ddz-felt-2) 65%, var(--ddz-felt-3) 100%);
    border: 1px solid var(--ddz-frame-2);
    border-radius: 14px;
    padding: 1.4rem 1.1rem 1.2rem;
    margin: 1rem auto 0;
    max-width: 760px;
    color: var(--ddz-text-on-felt);
    user-select: none;
    -webkit-user-select: none;
    touch-action: manipulation;
    box-shadow:
      inset 0 0 0 1px rgba(255,255,255,0.45),
      inset 0 0 80px rgba(141,110,55,0.10),
      0 4px 18px rgba(141,110,55,0.18);
    position: relative;
    overflow: hidden;
    font-family: var(--font-display);
  }
  .ddz-table::before {
    /* 极淡的纹理纹路 — 用暖棕代替原本的白线，适配浅底 */
    content: '';
    position: absolute; inset: 0;
    pointer-events: none;
    background:
      repeating-linear-gradient(45deg, rgba(141,110,55,0.015) 0 2px, transparent 2px 5px),
      repeating-linear-gradient(-45deg, rgba(141,110,55,0.025) 0 2px, transparent 2px 5px);
  }
  .ddz-table::after {
    /* 内层暖金细线，让边框更精致 */
    content: '';
    position: absolute; inset: 4px;
    border: 1px solid var(--ddz-frame-2);
    border-radius: 10px;
    pointer-events: none;
  }

  /* ======== 头像 / 座位 ======== */
  /* tops = 两行：第一行三个头像（上家·底牌·下家），第二行两个对家出牌区。
     出牌区在各自头像正下方 → 谁出的牌靠位置一眼分辨（腾讯欢乐斗地主同款）。 */
  .ddz-tops {
    display: flex; flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 1;
  }
  .ddz-tops-avatars {
    display: flex; justify-content: space-between; align-items: flex-start;
    gap: 1rem;
    /* 左右各往内缩一大截——两个 AI 头像不再贴桌沿，跟"我"在左下的位置一起
       把视觉重心收拢到中央底牌区；同时给结算时飘金币 / 扣分 chip 留位 */
    padding-inline: 7rem;
  }
  /* 第二行：上家出牌靠左半（贴左头像下方）、下家出牌靠右半（贴右头像下方），
     各占约一半宽 → 比原来塞在 ~78px 窄座位宽得多，长牌型也能一行铺完不被剪。
     固定高度，空着也占位，出/收牌都不抖。 */
  .ddz-tops-plays {
    display: flex; justify-content: space-between; align-items: center;
    gap: 0.6rem;
    min-height: 62px;
  }
  .ddz-tops-plays .ddz-played {
    flex: 1 1 0;
    width: 0; min-width: 0;          /* flex:1 1 0 + width:0 → 精确各占一半 */
    margin-top: 0;
    min-height: 60px; max-height: 60px;
    overflow: visible;              /* JS 已按本区宽反算叠放，不溢出；露边角更稳 */
  }
  .ddz-seat-ai {
    display: flex; flex-direction: column; align-items: center;
    min-width: 72px;
    flex: 0 0 auto;
  }
  .ddz-center { flex: 1 1 auto; text-align: center; min-height: auto; padding: 0 0.4rem; }

  .ddz-avatar {
    width: 56px; height: 56px;
    border-radius: 50%;
    background: linear-gradient(160deg, rgba(255,253,245,0.85) 0%, rgba(235,229,211,0.5) 100%);
    border: 1px solid var(--ddz-frame-2);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.7rem;
    position: relative;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 1px 4px rgba(141,110,55,0.18);
    transition: all 0.25s;
  }
  .ddz-self .ddz-avatar {
    background: linear-gradient(160deg, rgba(201,169,110,0.20) 0%, rgba(201,169,110,0.05) 100%);
    border-color: var(--ddz-accent);
  }
  .ddz-avatar.is-landlord {
    background: linear-gradient(160deg, rgba(139,46,46,0.30) 0%, rgba(139,46,46,0.10) 100%);
    border-color: var(--ddz-accent);
  }
  .ddz-avatar.is-landlord::after {
    content: "";
    position: absolute;
    top: -13px; left: 50%;
    transform: translateX(-50%);
    width: 20px; height: 14px;
    background: var(--ddz-accent);
    clip-path: polygon(0 18%, 25% 55%, 50% 0, 75% 55%, 100% 18%, 86% 100%, 14% 100%);
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.5));
  }
  .ddz-avatar.is-current {
    border-color: var(--ddz-accent-strong);
    box-shadow:
      0 0 0 2px var(--ddz-accent),
      0 0 14px rgba(201,169,110,0.5),
      inset 0 1px 0 rgba(255,255,255,0.1);
    animation: ddz-pulse 2.2s ease-in-out infinite;
  }
  @keyframes ddz-pulse {
    0%, 100% { box-shadow: 0 0 0 2px var(--ddz-accent), 0 0 8px rgba(201,169,110,0.35), inset 0 1px 0 rgba(255,255,255,0.1); }
    50%      { box-shadow: 0 0 0 2px var(--ddz-accent), 0 0 18px rgba(201,169,110,0.65), inset 0 1px 0 rgba(255,255,255,0.1); }
  }
  .ddz-name {
    font-size: 0.85rem; margin-top: 0.5rem;
    color: var(--ddz-text-on-felt);
    font-family: var(--font-display);
    letter-spacing: 0.02em;
  }
  .ddz-handcount {
    display: inline-block;
    margin-top: 0.3rem;
    padding: 0.1rem 0.6rem;
    background: rgba(141,110,55,0.10);
    border: 1px solid var(--ddz-frame-2);
    border-radius: 999px;
    font-size: 0.78rem; font-weight: 600;
    color: var(--ddz-text-on-felt);
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
  }
  .ddz-handcount::before {
    content: '🂠';
    margin-right: 4px;
    opacity: 0.7;
    font-size: 0.9em;
  }

  /* ======== 牌（四象限版型，从掼蛋迁移）：奶白纸面 + 暖金细边 ======== */
  .ddz-card {
    display: inline-block;
    background: linear-gradient(160deg, var(--ddz-card-bg) 0%, var(--ddz-card-bg-2) 100%);
    border: 1px solid var(--ddz-card-border);
    border-radius: 5px;
    box-shadow: 0 1px 3px rgba(20,37,63,0.18), inset 0 0 0 1px rgba(255,255,255,0.55);
    position: relative;
    flex-shrink: 0;
    overflow: hidden;          /* 裁掉右下超大花色溢出右/下缘的部分 */
    -webkit-tap-highlight-color: transparent;
    touch-action: none;        /* 防止浏览器把触摸 swipe 当成滚动，让我们的 drag 选牌生效 */
  }
  .ddz-card.suit-red { color: var(--ddz-suit-red); }
  .ddz-card.suit-black { color: var(--ddz-suit-black); }

  /* 三种尺寸：外框尺寸 + 四象限缩放基准 --ddz-q-base（所有象限按它等比缩放，跟随卡宽/响应式收缩）*/
  .ddz-card.size-full   { width: var(--ddz-card-w);        height: var(--ddz-card-h);        --ddz-q-base: var(--ddz-card-w); }
  .ddz-card.size-mini   { width: var(--ddz-card-mini-w);   height: var(--ddz-card-mini-h);   --ddz-q-base: var(--ddz-card-mini-w); }
  .ddz-card.size-bottom { width: var(--ddz-card-bottom-w); height: var(--ddz-card-bottom-h); --ddz-q-base: var(--ddz-card-bottom-w); }

  /* ===== 四象限：一横一纵在 0.38W 处切四格 ===== */
  .ddz-card .q { position: absolute; display: flex; line-height: 1; }
  /* ① 左上正方形：点数，居中，统一字号（"10"不缩、字母不放大）*/
  .ddz-card .q-tl {
    left: 0; top: 0; width: calc(var(--ddz-q-base, 52px) * 0.38); height: calc(var(--ddz-q-base, 52px) * 0.38);
    align-items: center; justify-content: center;
    font-family: 'Cormorant Garamond', Georgia, "Songti SC", serif; font-weight: 700;
    font-variant-numeric: tabular-nums lining-nums; font-feature-settings: "tnum" 1, "lnum" 1;
    font-size: calc(var(--ddz-q-base, 52px) * 0.28);
  }
  /* J 偏长，单独缩一点点 */
  .ddz-card.rank-j .q-tl { font-size: calc(var(--ddz-q-base, 52px) * 0.25); }
  /* ② 右上：花色正中（完整单张可见）*/
  .ddz-card .q-tr {
    left: calc(var(--ddz-q-base, 52px) * 0.38); top: 0; right: 0; height: calc(var(--ddz-q-base, 52px) * 0.38);
    align-items: center; justify-content: center;
    font-size: calc(var(--ddz-q-base, 52px) * var(--ddz-tr, 0.35));
    transform: translateY(calc(var(--ddz-q-base, 52px) * var(--ddz-try, 0)));
  }
  /* ③ 左下：花色（横排叠牌时左条可见）*/
  .ddz-card .q-bl {
    left: 0; top: calc(var(--ddz-q-base, 52px) * 0.38); width: calc(var(--ddz-q-base, 52px) * 0.38); bottom: 0;
    align-items: center; justify-content: center;
    font-size: calc(var(--ddz-q-base, 52px) * var(--ddz-bl, 0.35));
    transform: translateY(calc(var(--ddz-q-base, 52px) * var(--ddz-bly, 0)));
  }
  /* ④ 右下：超大花色，贴底、右与下出血被牌缘裁切（逐花色定大小与位置 via --ddz-big/br/bb/op）*/
  .ddz-card .bigsuit {
    position: absolute;
    display: flex; align-items: center; justify-content: center; line-height: 1;
    right: calc(var(--ddz-q-base, 52px) * var(--ddz-br, -0.3));
    bottom: calc(var(--ddz-q-base, 52px) * var(--ddz-bb, -0.1));
    width: 1em; height: 1em;
    font-size: calc(var(--ddz-q-base, 52px) * var(--ddz-big, 1.1));
    opacity: var(--ddz-op, 0.9);
  }
  /* ♠♣ 是文字符号：钉死系统符号字体，首帧即正确字形，不随 Web 字体(Cormorant/Noto)加载而闪烁(FOUT)。
     ♥♦ 是内联 SVG，font-family 对其无效；大小王 .is-joker 有更高优先级的自有字体，不受波及。 */
  .ddz-card .q-tr, .ddz-card .q-bl, .ddz-card .bigsuit { font-family: "Apple Symbols", "Segoe UI Symbol", "Noto Sans Symbols2", monospace; }
  .ddz-card .suit-svg { width: 1em; height: 1em; display: block; fill: currentColor; overflow: visible; }

  /* 默认（完整单张：中央底牌 / 结算翻牌）：只露 左上+右上+右下，藏左下 */
  .ddz-card .q-bl { display: none; }
  /* 横排叠牌区（手牌 / 已出牌）：恢复左下花色、隐藏右上花色（叠放时左条露 点数+左下花色），并用横排专属大花色参数 */
  .ddz-hand .ddz-card .q-bl, .ddz-played .ddz-card .q-bl { display: flex; }
  .ddz-hand .ddz-card .q-tr, .ddz-played .ddz-card .q-tr { display: none; }
  .ddz-hand .ddz-card .bigsuit, .ddz-played .ddz-card .bigsuit {
    right: calc(var(--ddz-q-base, 52px) * var(--ddz-brH, var(--ddz-br, -0.3)));
    bottom: calc(var(--ddz-q-base, 52px) * var(--ddz-bbH, var(--ddz-bb, -0.1)));
    font-size: calc(var(--ddz-q-base, 52px) * var(--ddz-bigH, var(--ddz-big, 1.1)));
    opacity: var(--ddz-opH, var(--ddz-op, 0.9));
  }
  /* 底牌已被地主打出 — 灰化 + 透明，提示"这张已经走了" */
  .ddz-card.size-bottom.is-played {
    opacity: 0.32;
    filter: grayscale(0.9);
    transition: opacity 0.4s ease, filter 0.4s ease;
  }
  /* 底牌揭晓翻牌动画：背面横向缩到 0（像名片翻边）→ 替换成正面再扩回 1 */
  @keyframes ddz-flip-shrink {
    from { transform: scaleX(1); }
    to   { transform: scaleX(0.02); }
  }
  @keyframes ddz-flip-expand {
    from { transform: scaleX(0.02); }
    to   { transform: scaleX(1); }
  }
  .ddz-card-back.flipping-out {
    animation: ddz-flip-shrink 0.22s ease-in forwards;
  }
  .ddz-card.size-bottom.flipping-in {
    animation: ddz-flip-expand 0.22s ease-out forwards;
    transform-origin: center;
  }

  /* ======== 大小王：四象限版型（★ / JOKER / 皇冠），与常规牌同一套分割线 ======== */
  .ddz-card.joker-big   { color: var(--ddz-joker-red); }
  .ddz-card.joker-small { color: var(--ddz-joker-grey); }
  .ddz-card.is-joker .q-tl { font-family: "Apple Symbols", "Segoe UI Symbol", 'Cormorant Garamond', serif; font-size: calc(var(--ddz-q-base, 52px) * 0.37); }  /* 左上 ★ */
  /* 右上：竖排/单张时星星右边的 JOKER（横排叠牌被隐）*/
  .ddz-card.is-joker .q-tr { font-family: 'Cormorant Garamond', Georgia, serif; font-weight: 700; letter-spacing: 0; font-size: calc(var(--ddz-q-base, 52px) * 0.18); }
  /* 左下：横排叠牌时星星下方竖排 JOKER（默认/单张被隐，仅横排叠牌区露）；靠上、贴稳左下不越界 */
  .ddz-card.is-joker .q-bl { flex-direction: column; align-items: center; justify-content: flex-start; padding-top: 0; font-family: var(--font-body); font-weight: 800; letter-spacing: 1px; line-height: 1.01; font-size: calc(var(--ddz-q-base, 52px) * 0.185); }
  /* 右下：皇冠（竖排/单张版面：大皇冠）*/
  .ddz-card.is-joker .bigsuit {
    display: flex; align-items: center; justify-content: center;
    right: calc(var(--ddz-q-base, 52px) * 0.02); bottom: calc(var(--ddz-q-base, 52px) * 0.115);
    font-family: "Apple Symbols", "Segoe UI Symbol", monospace; font-size: calc(var(--ddz-q-base, 52px) * 0.91);
  }
  /* 横排叠牌版面：皇冠居中于右下象限矩形（不挤角落），略小于单张版，避开左条竖排 JOKER */
  .ddz-hand .ddz-card.is-joker .bigsuit, .ddz-played .ddz-card.is-joker .bigsuit {
    left: calc(var(--ddz-q-base, 52px) * 0.38); top: calc(var(--ddz-q-base, 52px) * 0.38);
    right: 0; bottom: 0; width: auto; height: auto;
    font-size: calc(var(--ddz-q-base, 52px) * 0.79);
    transform: translate(calc(var(--ddz-q-base, 52px) * -0.06), calc(var(--ddz-q-base, 52px) * -0.01));
  }

  /* 卡背：暖海军蓝 + 暖金交叉纹（与桌面同系） */
  .ddz-card-back {
    display: inline-block;
    width: var(--ddz-card-bottom-w);
    height: var(--ddz-card-bottom-h);
    border-radius: 5px;
    border: 1px solid var(--ddz-frame);
    background:
      radial-gradient(circle at 50% 50%, rgba(201,169,110,0.40) 0%, transparent 50%),
      repeating-linear-gradient(45deg, rgba(201,169,110,0.16) 0 4px, transparent 4px 8px),
      linear-gradient(160deg, #2a4768 0%, #15253f 100%);
    box-shadow: 0 1px 3px rgba(0,0,0,0.30), inset 0 0 0 1px rgba(0,0,0,0.20);
    position: relative;
  }
  .ddz-card-back::after {
    content: '♦';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    color: rgba(201,169,110,0.88);
    font-size: 18px;
    text-shadow: 0 1px 2px rgba(0,0,0,0.35);
  }

  /* 已出牌区域 — 固定高度 + nowrap，多张牌不换行不撑高（防画幅跳） */
  .ddz-played {
    margin-top: 0.5rem;
    min-height: 60px;
    max-height: 60px;
    display: flex; flex-wrap: nowrap;
    justify-content: safe center; align-items: center;
    gap: 0;
    border-radius: 8px;
    transition: background 0.3s, box-shadow 0.3s;
    overflow: hidden;
  }
  .ddz-played .ddz-card.size-mini {
    margin-left: calc(-1 * var(--ddz-card-mini-overlap));
    animation: ddz-card-appear 0.18s ease-out;
  }
  .ddz-played .ddz-card.size-mini:first-child { margin-left: 0; }
  /* 出牌：简单的 opacity 淡入；不旋转不缩放不平移，避免"炫影" */
  @keyframes ddz-card-appear {
    from { opacity: 0; }
    to   { opacity: 1; }
  }

  /* 发牌动画 — 17 张牌从大到小依次出现，让玩家有时间反应"明牌 ×N"按钮
     每张 0.5s 滑入 + 220ms stagger → 总时长 ~4s（16 × 220 + 500） */
  .ddz-hand.dealing .ddz-card.size-full {
    animation: ddz-card-deal 0.5s cubic-bezier(0.25, 0.5, 0.3, 1.0) backwards;
  }
  @keyframes ddz-card-deal {
    from { opacity: 0; transform: translateY(-46px) rotate(-6deg) scale(0.85); }
    to   { opacity: 1; transform: none; }
  }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(1)  { animation-delay: 0ms;    }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(2)  { animation-delay: 220ms;  }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(3)  { animation-delay: 440ms;  }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(4)  { animation-delay: 660ms;  }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(5)  { animation-delay: 880ms;  }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(6)  { animation-delay: 1100ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(7)  { animation-delay: 1320ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(8)  { animation-delay: 1540ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(9)  { animation-delay: 1760ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(10) { animation-delay: 1980ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(11) { animation-delay: 2200ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(12) { animation-delay: 2420ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(13) { animation-delay: 2640ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(14) { animation-delay: 2860ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(15) { animation-delay: 3080ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(16) { animation-delay: 3300ms; }
  .ddz-hand.dealing .ddz-card.size-full:nth-child(17) { animation-delay: 3520ms; }

  /* 底牌"插空"动画：3 张底牌沿着 --dx/--dy 从底牌堆位置飞回到自己排序后的目标位
     用 backwards 让 stagger delay 期间也保持起始变换；缓动跟发牌动画一致。
     不抬 z-index——保留手牌左→右的自然叠放：底牌 DOM 位于左右邻居之间，
     右邻居天然盖住底牌的右上角，效果是"插进两张牌中间"而不是"飘在上面"。 */
  .ddz-card.ddz-card-incoming {
    animation: ddz-card-insert 0.55s cubic-bezier(0.25, 0.5, 0.3, 1.0) backwards;
  }
  @keyframes ddz-card-insert {
    from {
      transform: translate(var(--dx, 0), var(--dy, 0)) rotate(6deg) scale(0.78);
      opacity: 0.55;
    }
    60% {
      opacity: 1;
    }
    to {
      transform: none;
      opacity: 1;
    }
  }

  /* 发牌阶段「明牌 ×N」按钮：现已作为 .ddz-btn.declare 风格放进
     .ddz-actions 行内，跟"明牌 ×2 / 不出 / 提示 / 出牌"占同一位置。
     共用 .ddz-btn.declare 的样式，只是文字会随发牌进度从 ×5 → ×2 递减。 */

  /* ======== 特殊牌型 FX ======== */
  /* 顺子 / 连对：暖金底光闪一下——直接走 .ddz-played 已有的
     transition: background/box-shadow 0.3s，加 class 时底光出现、
     1.1s 后 JS 撤 class 时平滑淡出。不再用 opacity 动画，避免卡牌
     跟着底光一起淡入淡出（之前看上去像牌"变灰"） */
  .ddz-played.fx-straight, .ddz-played.fx-pair-straight {
    background: linear-gradient(90deg, transparent 0%, rgba(201,169,110,0.22) 50%, transparent 100%);
    box-shadow: inset 0 0 18px rgba(201,169,110,0.18);
  }
  /* 飞机：背景金光保留；卡片本身不再左右晃动（避免炫影感） */
  /* 炸弹：抖屏 + 红色闪光 */
  .ddz-played.fx-bomb {
    background: radial-gradient(ellipse at center, rgba(200,40,40,0.30) 0%, transparent 70%);
    animation: ddz-shake 0.5s, ddz-bomb-flash 0.7s ease-out;
  }
  @keyframes ddz-shake {
    0%, 100% { transform: translateX(0); }
    18% { transform: translateX(-6px); }
    32% { transform: translateX(6px); }
    50% { transform: translateX(-4px); }
    66% { transform: translateX(4px); }
    82% { transform: translateX(-2px); }
  }
  @keyframes ddz-bomb-flash {
    0%   { box-shadow: inset 0 0 0 rgba(200,40,40,0); }
    50%  { box-shadow: inset 0 0 38px rgba(200,40,40,0.55); }
    100% { box-shadow: inset 0 0 0 rgba(200,40,40,0); }
  }
  /* 炸弹：背景红闪 + 抖屏保留；卡片本身不脉冲（不要炫影） */
  /* ======== 注意力锁定：非当前 actor 的座位 / 手牌 dim ======== */
  .ddz-self, .ddz-seat-ai, .ddz-hand {
    transition: opacity 0.28s ease, filter 0.28s ease;
  }
  .ddz-self.is-dim, .ddz-seat-ai.is-dim {
    opacity: 0.48;
    filter: grayscale(0.45) saturate(0.7);
  }
  .ddz-hand.is-dim { opacity: 0.72; }

  /* ======== Hover 预览：鼠标划过手牌（未选中），暂时抬起 ======== */
  .ddz-hand .ddz-card.size-full.hover-preview:not(.selected) {
    transform: translateY(-10px);
    box-shadow: 0 5px 10px rgba(20,37,63,0.22);
  }

  /* 关键牌高亮（2 / 炸弹）已按 UX 反馈移除 —— 所有牌底色统一 */

  /* ======== B1 智能分组：组内紧凑，组间留白 ======== */
  .ddz-hand .ddz-card.size-full.group-start {
    /* 替代默认负 margin（覆盖 nth-child(1) 之外的）— 给组首加视觉间隔 */
    margin-left: 8px;
  }

  /* 已移除：A4 出牌飞行（炫影）+ B2 微反馈涟漪（spawnMicroRing） */

  /* Bug 7: 公布底牌飞行 — 3 张底牌从中央桌面飞向地主手牌区 */
  .ddz-bottom-fly {
    position: fixed;
    z-index: 100;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: transform 0.55s cubic-bezier(0.4, 0.0, 0.2, 1), opacity 0.3s ease-out;
    will-change: transform, opacity;
  }

  /* ======== 音效开关按钮（Setup 屏右上小 chip） ======== */
  .ddz-sfx-toggle {
    position: absolute; top: 0.6rem; right: 0.6rem;
    padding: 0.28rem 0.65rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-muted);
    border-radius: 999px;
    font-size: 0.78rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.18s;
  }
  @media (hover: hover) {
    .ddz-sfx-toggle:hover { border-color: var(--color-accent); color: var(--color-accent); }
  }
  .ddz-sfx-toggle.on { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }
  .ddz-wrap header { position: relative; }   /* 让音效 chip absolute 定位锚点 */

  /* 王炸全屏震撼：地震 + 金光闪屏 + 局部爆发 */
  .ddz-wrap.mega-quake { animation: ddz-mega-quake 1.1s cubic-bezier(0.36, 0.07, 0.19, 0.97); }
  @keyframes ddz-mega-quake {
    0%   { transform: translate(0, 0); }
    4%   { transform: translate(-14px, 6px) rotate(-0.4deg); }
    9%   { transform: translate(13px, -10px) rotate(0.5deg); }
    14%  { transform: translate(-11px, 9px) rotate(-0.3deg); }
    19%  { transform: translate(10px, -7px) rotate(0.3deg); }
    25%  { transform: translate(-9px, 8px) rotate(-0.2deg); }
    32%  { transform: translate(8px, -6px); }
    40%  { transform: translate(-7px, 5px); }
    48%  { transform: translate(6px, -4px); }
    56%  { transform: translate(-5px, 4px); }
    64%  { transform: translate(4px, -3px); }
    72%  { transform: translate(-3px, 2px); }
    80%  { transform: translate(2px, -2px); }
    88%  { transform: translate(-1px, 1px); }
    96%  { transform: translate(1px, 0); }
    100% { transform: translate(0, 0); }
  }
  .ddz-fullscreen-flash {
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: 9999;
    background:
      radial-gradient(ellipse at center, rgba(255,250,220,0.95) 0%, rgba(245,209,66,0.65) 22%, rgba(245,178,80,0.30) 48%, transparent 78%),
      radial-gradient(circle at 30% 70%, rgba(255,200,80,0.55) 0%, transparent 35%),
      radial-gradient(circle at 70% 30%, rgba(255,225,140,0.55) 0%, transparent 35%);
    opacity: 0;
    will-change: opacity, transform;
    animation: ddz-fullscreen-flash-anim 1.3s cubic-bezier(0.18, 0.7, 0.28, 1) forwards;
  }
  @keyframes ddz-fullscreen-flash-anim {
    0%   { opacity: 0; transform: scale(0.55); }
    8%   { opacity: 1; transform: scale(1.2); }
    20%  { opacity: 0.95; transform: scale(1.05); }
    50%  { opacity: 0.45; transform: scale(1.02); }
    100% { opacity: 0; transform: scale(1.02); }
  }
  /* 全屏粒子爆射（金色 ✦ 撒满）*/
  .ddz-fullscreen-stars {
    position: fixed; inset: 0;
    pointer-events: none;
    z-index: 9998;
    color: #fff5c4;
    font-size: 0;
    opacity: 0;
    animation: ddz-fullscreen-stars-anim 1.4s ease-out forwards;
  }
  .ddz-fullscreen-stars span {
    position: absolute;
    font-size: 26px;
    text-shadow:
      0 0 10px rgba(255,235,150,1),
      0 0 22px rgba(245,209,66,0.85),
      0 0 36px rgba(245,178,80,0.55);
    transform: scale(0);
    animation: ddz-star-pop 1.4s cubic-bezier(0.18, 0.9, 0.32, 1.2) forwards;
  }
  @keyframes ddz-fullscreen-stars-anim {
    0%, 100% { opacity: 0; }
    8% { opacity: 1; }
    70% { opacity: 1; }
  }
  @keyframes ddz-star-pop {
    0%   { transform: scale(0) rotate(0deg); opacity: 0; }
    18%  { transform: scale(1.4) rotate(45deg); opacity: 1; }
    55%  { transform: scale(1.1) rotate(120deg); opacity: 1; }
    100% { transform: scale(0.6) rotate(220deg) translate(0, 50px); opacity: 0; }
  }

  /* 王炸：金光大爆发 — 比炸弹更夸张更长 */
  .ddz-played.fx-rocket {
    position: relative;
    background: radial-gradient(ellipse at center, rgba(255,235,180,0.65) 0%, rgba(245,215,140,0.40) 35%, rgba(201,169,110,0.18) 65%, transparent 90%);
    animation: ddz-shake-strong 1s, ddz-rocket-flash 2.2s ease-out;
  }
  /* 金色粒子层 */
  .ddz-played.fx-rocket::before {
    content: '';
    position: absolute; inset: 0;
    pointer-events: none;
    color: #fff5c4;
    background:
      radial-gradient(circle, currentColor 0 2px, transparent 2.5px) 20% 50% / 24px 24px no-repeat,
      radial-gradient(circle, currentColor 0 3px, transparent 3.5px) 50% 28% / 30px 30px no-repeat,
      radial-gradient(circle, currentColor 0 2px, transparent 2.5px) 80% 55% / 24px 24px no-repeat;
    filter: drop-shadow(0 0 7px rgba(255,235,150,0.95));
    animation: ddz-rocket-stars 1.6s ease-out forwards;
    opacity: 0;
  }
  @keyframes ddz-rocket-stars {
    0%   { opacity: 0; transform: scale(0.4); }
    25%  { opacity: 1; transform: scale(1.2); }
    60%  { opacity: 1; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.4); }
  }
  @keyframes ddz-rocket-flash {
    0%   { box-shadow: inset 0 0 0 rgba(255,235,150,0); }
    12%  { box-shadow: inset 0 0 60px 8px rgba(255,235,150,1); }
    35%  { box-shadow: inset 0 0 100px 12px rgba(245,209,66,0.85); }
    100% { box-shadow: inset 0 0 0 rgba(255,235,150,0); }
  }
  @keyframes ddz-shake-strong {
    0%, 100% { transform: translateX(0); }
    10% { transform: translateX(-9px); }
    22% { transform: translateX(9px); }
    34% { transform: translateX(-7px); }
    46% { transform: translateX(7px); }
    58% { transform: translateX(-5px); }
    70% { transform: translateX(5px); }
    82% { transform: translateX(-3px); }
    91% { transform: translateX(3px); }
  }
  /* 王炸：全屏震撼 + 背景大金光保留；卡片本身不脉冲不浮动（不要炫影） */
  .ddz-played.fx-rocket .ddz-card.size-mini { z-index: 2; }
  .ddz-played .pass-tag, .ddz-played .think-tag, .ddz-played .bid-tag {
    padding: 0.22rem 0.7rem;
    border-radius: 999px;
    font-size: 0.78rem;
    letter-spacing: 0.04em;
  }
  /* "不出" / "不叫" / "不抢" / "叫地主" / "抢地主"：仿掼蛋"不要"的大字浮窗
     —— 大字红 / 金、阴影投影、弹出动画；不再用 pill chip 容器 */
  .ddz-played .pass-tag {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    color: #8b2e2e;
    letter-spacing: 0.12em;
    text-shadow: 0 1px 0 #fff5d4, 0 2px 8px rgba(139,46,46,0.32);
    padding: 0.15rem 0.6rem;
    background: none;
    border: none;
    box-shadow: none;
    white-space: nowrap;
    animation: ddz-bigtag-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  @keyframes ddz-bigtag-pop {
    0%   { opacity: 0; transform: scale(0.4) rotate(-8deg); }
    60%  { opacity: 1; transform: scale(1.15) rotate(2deg); }
    100% { opacity: 1; transform: scale(1) rotate(0deg); }
  }
  .ddz-played .think-tag {
    background: rgba(201,169,110,0.18);
    border: 1px solid var(--ddz-frame-2);
    color: var(--ddz-text-on-felt);
  }
  /* 叫/抢/不叫/不抢 — 仿掼蛋大字浮窗：金 = 叫/抢、暖灰 = 不叫/不抢；
     大字 + 阴影 + 弹出动画，不再用 pill chip */
  .ddz-played .bid-tag.rob,
  .ddz-played .bid-tag.pass {
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    padding: 0.15rem 0.6rem;
    background: none;
    border: none;
    box-shadow: none;
    white-space: nowrap;
    animation: ddz-bigtag-pop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
  .ddz-played .bid-tag.rob {
    color: #a87a2a;
    text-shadow: 0 1px 0 #fff5d4, 0 2px 8px rgba(201,169,110,0.45);
  }
  .ddz-played .bid-tag.pass {
    color: var(--ddz-text-on-felt-mute);
    text-shadow: 0 1px 0 rgba(255,253,245,0.7);
  }
  .ddz-played .think-tag::after {
    content: '…';
    display: inline-block;
    animation: ddz-dots 1.2s steps(4, end) infinite;
    width: 1.2em;
    text-align: left;
    margin-left: 2px;
  }
  @keyframes ddz-dots {
    0%   { content: ''; }
    25%  { content: '·'; }
    50%  { content: '··'; }
    75%  { content: '···'; }
    100% { content: ''; }
  }

  /* 出牌牌型文字提示（腾讯欢乐斗地主同款）：浮在该家出牌区顶部一行小字，
     "顺子/连对/飞机…"，炸弹 / 王炸 更醒目。absolute → 不改出牌区高度。 */
  .ddz-ptype {
    position: absolute;
    top: 1px; left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    padding: 0.04rem 0.5rem;
    font-size: 0.66rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--ddz-text-on-felt-mute);
    background: rgba(255,253,245,0.78);
    border: 1px solid var(--ddz-frame-2);
    border-radius: 999px;
    white-space: nowrap;
    font-family: var(--font-display);
    pointer-events: none;
    animation: ddz-ptype-in 0.2s ease-out;
  }
  @keyframes ddz-ptype-in {
    from { opacity: 0; transform: translateX(-50%) translateY(3px); }
    to   { opacity: 1; transform: translateX(-50%) translateY(0); }
  }
  .ddz-ptype.is-bomb {
    color: #fff;
    background: linear-gradient(135deg, #c14b46, #8b2e2e);
    border-color: #8b2e2e;
    font-size: 0.72rem;
  }
  .ddz-ptype.is-rocket {
    color: #5a3d00;
    background: linear-gradient(135deg, #ffe08a, #f5d142);
    border-color: #c9a96e;
    font-size: 0.76rem;
    box-shadow: 0 0 8px rgba(245,209,66,0.6);
  }

  /* ======== 中央台面 ======== */
  .ddz-bottom-pile {
    display: inline-flex; gap: 0.4rem;
    margin-bottom: 0.7rem;
    perspective: 600px;
  }

  /* 右下角 chip 组：明牌按钮 + 积分提示，水平并排 */
  /* 角标 chip 组：竖排堆叠在牌桌右侧中间，避开 17/20 张手牌区域，
     z-index 高于卡牌——即使地主 20 张牌横向铺满也不会被覆盖。 */
  .ddz-corner-chips {
    position: absolute;
    right: 0.6rem;
    bottom: 8.5rem;        /* 高出手牌区域，避免地主 20 张牌横向铺时压住 chip */
    z-index: 6;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    align-items: stretch;
    pointer-events: auto;
  }
  @media (max-width: 600px) {
    .ddz-corner-chips { right: 0.4rem; bottom: 7rem; }
  }
  /* 积分提示 chip：农民=倍数本身、地主=倍数×2 */
  .ddz-score-hint {
    padding: 0.18rem 0.7rem;
    border-radius: 999px;
    background: rgba(201,169,110,0.18);
    color: var(--ddz-accent-strong);
    font-size: 0.82rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
    border: 1px solid var(--ddz-frame-2);
    letter-spacing: 0.04em;
    font-family: var(--font-body);
    pointer-events: none;
    /* 父级 corner-chips 是 align-items:stretch，chip 会被拉宽到跟"托管/理牌"
       一样；text-align:center 让"N 分"在宽度内居中，不再贴左 */
    text-align: center;
  }
  .ddz-score-hint:empty { display: none; }

  /* 托管按钮：右下角小 chip；开启时变绿+加 ✓；点一下关掉 */
  .ddz-autopilot-toggle {
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    background: var(--ddz-card-bg);
    color: var(--ddz-text-on-felt);
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid var(--ddz-frame-2);
    letter-spacing: 0.04em;
    font-family: var(--font-display);
    cursor: pointer;
    transition: all 0.18s;
  }
  @media (hover: hover) {
    .ddz-autopilot-toggle:hover { border-color: var(--ddz-accent); }
  }
  .ddz-autopilot-toggle.active {
    background: linear-gradient(135deg, #5a8a5a 0%, #3e6a3e 100%);
    color: #fff;
    border-color: #3e6a3e;
    box-shadow: 0 0 12px rgba(90,138,90,0.4), inset 0 1px 0 rgba(255,255,255,0.25);
  }
  /* 发牌阶段（state.phase === DEALING / IDLE）禁用托管 + 理牌按钮 */
  .ddz-autopilot-toggle[disabled] {
    opacity: 0.42;
    cursor: not-allowed;
    background: var(--ddz-card-bg);
    color: var(--ddz-text-on-felt-mute);
    border-color: rgba(141,110,55,0.30);
    box-shadow: none;
    pointer-events: none;
  }
  .ddz-autopilot-toggle[hidden] { display: none; }
  /* 明牌按钮在 actions 行内（替"不出"位置 — 地主第一轮不可能不出） */
  .ddz-btn.declare {
    background: rgba(245,209,66,0.30);
    color: #a87a2a;
    border-color: var(--ddz-frame);
  }
  @media (hover: hover) {
    .ddz-btn.declare:hover:not(:disabled) {
    background: rgba(245,209,66,0.45);
    color: #a87a2a;
    border-color: var(--ddz-frame);
  }
  }
  .ddz-btn[hidden] { display: none !important; }

  /* ======== 我的座位 + 手牌 ======== */
  /* 我的头像绝对定位在牌桌真正的左下角——AI 在左上 / 右上，我在左下，
     形成稳定三角；中央彻底让给底牌 / 出牌 / 抢地主面板。
     头像 + 名字 + 手牌数 改成竖排，宽度紧凑——避免被手牌覆盖。 */
  .ddz-self {
    display: flex; flex-direction: column; align-items: center;
    gap: 0.25rem;
    position: absolute;
    left: 7rem;
    bottom: 1.2rem;
    z-index: 2;
  }
  .ddz-self .ddz-name { font-size: 0.78rem; }
  .ddz-self-info {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0.2rem;
  }
  .ddz-hand {
    display: flex;
    flex-wrap: nowrap;
    justify-content: safe center;
    padding: 0.4rem 0;
    min-height: calc(var(--ddz-card-h) + 32px);
    align-items: flex-end;
    overflow-x: auto;
    overflow-y: visible;
    scrollbar-width: none;
    position: relative;
    z-index: 1;
    transition: filter 0.18s ease, opacity 0.18s ease;
  }
  /* 没有牌可以压过上家时 — 只隐"提示"和"出牌"按钮，只剩"不出" */
  .ddz-actions.no-play #ddzHintBtn,
  .ddz-actions.no-play #ddzPlayBtn { display: none; }
  /* 同时给整副手牌蒙一层灰 —— 一眼看出"这局压不住，只能点不出" */
  .ddz-hand.no-play {
    filter: grayscale(0.7) brightness(0.93);
    opacity: 0.58;
  }
  .ddz-hand.no-play .ddz-card.size-full { cursor: not-allowed; }
  .ddz-hand::-webkit-scrollbar { display: none; }
  .ddz-hand .ddz-card.size-full {
    cursor: pointer;
    margin-left: calc(-1 * var(--ddz-card-overlap));
    transition: transform 0.15s, box-shadow 0.15s, filter 0.15s;
  }
  .ddz-hand .ddz-card.size-full:first-child { margin-left: 0; }
  @media (hover: hover) {
    .ddz-hand .ddz-card.size-full:hover { filter: brightness(1.05); }
  }
  .ddz-hand .ddz-card.size-full.selected {
    transform: translateY(-20px);
    box-shadow: 0 8px 14px rgba(20,37,63,0.35), inset 0 0 0 2px var(--ddz-accent);
  }

  .ddz-actions {
    display: flex; gap: 0.7rem; flex-wrap: wrap; justify-content: center;
    align-items: center;
    margin-top: 0.4rem;
    min-height: 2.5rem;     /* 占位高度：hidden 时也占这么多，避免手牌随之上下跳 */
    position: relative; z-index: 1;
  }
  /* 自己回合的时钟独占一行、居中固定；hidden 时也占位，按钮可见性变化不挤动布局 */
  .ddz-self-clock-row {
    display: flex; justify-content: center; align-items: center;
    min-height: 2.2rem;
    margin-top: 0.35rem;
    position: relative; z-index: 1;
  }
  .ddz-actions .ddz-btn {
    padding: 0.5rem 1.2rem;
    font-size: 0.92rem;
    background: var(--ddz-card-bg);
    border: 1px solid var(--ddz-frame);
    color: var(--ddz-suit-black);
    border-radius: 999px;
    box-shadow: 0 1px 3px rgba(20,37,63,0.18);
    font-weight: 600;
    font-family: var(--font-display);
    letter-spacing: 0.03em;
    transition: transform 0.12s, box-shadow 0.12s, background 0.12s, color 0.12s;
  }
  @media (hover: hover) {
    .ddz-actions .ddz-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 3px 8px rgba(20,37,63,0.25);
    color: var(--color-accent);
  }
  }
  .ddz-actions .ddz-btn:active:not(:disabled) {
    transform: translateY(0);
  }
  .ddz-actions .ddz-btn.primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
    box-shadow: 0 2px 5px rgba(20,37,63,0.32);
  }
  @media (hover: hover) {
    .ddz-actions .ddz-btn.primary:hover:not(:disabled) {
    background: var(--color-accent-light);
    color: #fff;
    border-color: var(--color-accent-light);
  }
  }
  .ddz-actions .ddz-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
  }
  .ddz-status-msg {
    position: absolute;
    left: 50%;
    top: 4.25rem;
    transform: translateX(-50%);
    max-width: min(92vw, 32rem);
    padding: 0.38rem 0.72rem;
    border-radius: 999px;
    background: rgba(20, 37, 63, 0.9);
    color: #fff;
    font-size: 0.82rem;
    line-height: 1.25;
    text-align: center;
    box-shadow: 0 3px 10px rgba(20, 37, 63, 0.24);
    pointer-events: none;
    white-space: normal;
    z-index: 50;
  }
  /* 明牌 badge：明牌的玩家头像左侧挂红色「明牌」 */
  .ddz-declared-badge {
    position: absolute;
    bottom: -6px; left: -10px;
    background: linear-gradient(135deg, #c14b46, #8b2e2e);
    color: #fff;
    border-radius: 999px;
    padding: 0.05rem 0.42rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    border: 1.5px solid #fff5d4;
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
    z-index: 5;
    font-family: var(--font-body);
    line-height: 1.2;
    pointer-events: none;
  }

  /* 加倍 badge：选了加倍的玩家头像旁挂个金色 ×2 */
  .ddz-doubled-badge {
    position: absolute;
    bottom: -6px; right: -10px;
    background: linear-gradient(135deg, #d8b87a, #8b6f43);
    color: #2a1a05;
    border-radius: 999px;
    padding: 0.05rem 0.42rem;
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    border: 1.5px solid #fff5d4;
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
    z-index: 5;
    font-family: var(--font-body);
    line-height: 1.2;
    pointer-events: none;
  }

  /* ======== 轮次倒计时（统一时钟样式）========
     自己的回合：挂在动作行 #ddzSelfClock（出牌阶段）或抢地主面板角标（抢地主/加倍阶段）
     AI 的回合：注入到 AI 的出牌区 .ddz-played > .ddz-played-clock 里，
                AI 一旦出牌，出牌区被牌覆盖、时钟自动消失。
     不再挂在头像上——避免视觉拥挤。 */
  .ddz-self-clock,
  .ddz-played .ddz-played-clock {
    display: inline-flex;
    align-items: center;
    gap: 0.32rem;
    padding: 0.28rem 0.7rem;
    border-radius: 999px;
    background: var(--ddz-card-bg);
    border: 1.5px solid var(--ddz-accent);
    color: var(--ddz-suit-black);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.86rem;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    box-shadow: 0 1px 4px rgba(20,37,63,0.18);
    pointer-events: none;
  }
  .ddz-self-clock svg,
  .ddz-played .ddz-played-clock svg {
    color: var(--ddz-accent);
    flex-shrink: 0;
  }
  /* 数字位预留 2 位字宽——25s → 9s 切换时图标/"s"不再左右抖 */
  .ddz-self-clock-num,
  .ddz-played .ddz-played-clock-num {
    display: inline-block;
    min-width: 1.6ch;
    text-align: right;
  }
  .ddz-self-clock[hidden] { display: none; }
  .ddz-self-clock.urgent,
  .ddz-played .ddz-played-clock.urgent {
    background: var(--ddz-suit-red);
    color: #fff;
    border-color: #fff5d4;
    box-shadow: 0 0 12px rgba(200,40,40,0.6), 0 0 0 2px rgba(255,255,255,0.55);
    animation: ddz-clock-urgent 0.5s ease-in-out infinite alternate;
  }
  .ddz-self-clock.urgent svg,
  .ddz-played .ddz-played-clock.urgent svg { color: #fff; }
  @keyframes ddz-clock-urgent {
    from { transform: scale(1); }
    to   { transform: scale(1.18); }
  }

  /* ======== 兜底：[hidden] 必须真的隐藏 ========
     Browser default `[hidden] { display: none }` 与 `.ddz-lobby { display: flex }` 等
     特异性同为 (0,1,0)，源序后者赢 → 即便 hidden 也会显示。强制 !important 修正。 */
  .ddz-table[hidden],
  .ddz-lobby[hidden],
  .ddz-online-config[hidden],
  .ddz-online-resume[hidden],
  .ddz-bottom-pile[hidden] {
    display: none !important;
  }

  /* ======== 抢 / 加倍 决策面板 + 出牌按钮 ========
     bid-panel 是 absolute 浮层 —— hidden 时 display: none 直接拿掉就行，
     不会影响 flow 高度。
     play-actions（出牌按钮）走 visibility: hidden，保留手牌上方占位避免抖动。 */
  .ddz-bid-panel[hidden] {
    display: none !important;
  }
  .ddz-actions[hidden] {
    display: flex !important;
    visibility: hidden;
    opacity: 0;
    pointer-events: none;
  }
  /* 决策位 —— 与 ddzPlayed0（已出牌展示）共用同一个固定高度槽位。
     bidding/加倍 时 bid-panel 显示在槽位内，正常出牌时 ddzPlayed0 在原位。
     两者互相切换不改变 table 总高度。 */
  .ddz-decision-slot {
    position: relative;
    margin: 0.5rem auto 0;
    max-width: 460px;
    min-height: 100px;
    /* 加倍阶段内容比 100px 更高（问题行 + 按钮 + 状态行），允许 slot 自然增高，避免组件溢出框外 */
  }
  .ddz-decision-slot .ddz-played {
    margin: 0;
    min-height: 100px;
    max-height: 100px;
    /* ddzPlayed0 仍保持 100px 固定高度 —— 平时不抖动 */
  }
  /* bid 面板：现在直接挂在 .ddz-table 上，绝对定位到动作行级别
     （= 不出/提示/出牌 同一高度），消除"叫地主按钮忽上忽下"的画幅跳。
     默认无背景无边框 —— 叫地主/抢地主 阶段就是几颗按钮浮在桌面上（跟"出牌"按钮一样的观感）。
     加倍阶段的 3 列 cell 内部各自带边框/背景，所以面板本身也不需要框。 */
  .ddz-bid-panel {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: calc(var(--ddz-card-h, 74px) + 3.4rem);
    width: max-content;
    max-width: calc(100% - 4rem);
    z-index: 5;
    padding: 0.55rem 0.9rem 0.6rem;
    text-align: center;
    transition: opacity 0.18s ease;
    background: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    animation: ddz-fadein 0.18s ease-out;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.4rem;
  }
  @keyframes ddz-fadein {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: translateY(0); }
  }
  .ddz-bid-title {
    font-size: 0.88rem;
    margin: 0;
    color: var(--ddz-text-on-felt);
    font-family: var(--font-display);
    letter-spacing: 0.04em;
    display: flex; align-items: center; justify-content: center; gap: 0.5rem;
  }
  /* 加倍阶段不渲染标题文本 → 自动腾出空间，整个面板压进 decision-slot 100px */
  .ddz-bid-title:empty { display: none; }
  /* 叫地主/抢地主阶段倒计时（自己回合）——挂在 bid-panel 顶部居中（不再
     当角标，避免跟下面的按钮上下叠重合）；跟 self-clock / played-clock 同款样式 */
  .ddz-bid-countdown {
    display: inline-flex; align-items: center; gap: 0.3rem;
    margin: 0 auto 0.5rem;
    padding: 0.28rem 0.62rem;
    border-radius: 999px;
    background: var(--ddz-card-bg);
    border: 1.5px solid var(--ddz-accent);
    color: var(--ddz-suit-black);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.84rem;
    font-variant-numeric: tabular-nums;
    line-height: 1.1;
    box-shadow: 0 1px 4px rgba(20,37,63,0.18);
    pointer-events: none;
  }
  .ddz-bid-countdown svg { color: var(--ddz-accent); flex-shrink: 0; }
  .ddz-bid-countdown .num {
    display: inline-block; min-width: 1.6ch; text-align: right;
  }
  .ddz-bid-countdown.urgent {
    background: var(--ddz-suit-red); color: #fff; border-color: #fff5d4;
    box-shadow: 0 0 12px rgba(200,40,40,0.6), 0 0 0 2px rgba(255,255,255,0.55);
    animation: ddz-clock-urgent 0.5s ease-in-out infinite alternate;
  }
  .ddz-bid-countdown.urgent svg { color: #fff; }
  .ddz-bid-countdown[hidden] { display: none !important; }
  .ddz-bid-title .countdown-badge {
    display: inline-block;
    padding: 0.05rem 0.45rem;
    border-radius: 999px;
    background: rgba(141,110,55,0.16);
    border: 1px solid var(--ddz-frame-2);
    color: var(--ddz-accent-strong);
    font-size: 0.78rem;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0.04em;
  }
  /* 叫/抢按钮组：跟 .ddz-actions 行内的"出牌"按钮同观感（无外框，自身就是 chip） */
  .ddz-bid-buttons {
    display: flex; gap: 0.7rem; justify-content: center; flex-wrap: wrap;
  }
  .ddz-bid-buttons button {
    padding: 0.5rem 1.2rem;
    border-radius: 999px;
    border: 1px solid var(--ddz-frame);
    background: var(--ddz-card-bg);
    color: var(--ddz-suit-black);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.92rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    box-shadow: 0 1px 3px rgba(20,37,63,0.18);
    transition: transform 0.12s, background 0.12s, color 0.12s;
  }
  .ddz-bid-buttons button.primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
  }
  @media (hover: hover) {
    .ddz-bid-buttons button:hover:not(:disabled) { transform: translateY(-1px); }
  }
  @media (hover: hover) {
    .ddz-bid-buttons button.primary:hover:not(:disabled) { background: var(--color-accent-light); border-color: var(--color-accent-light); }
  }
  .ddz-bid-buttons button:active:not(:disabled) { transform: translateY(0); }
  .ddz-bid-buttons button:disabled { opacity: 0.4; cursor: not-allowed; }

  /* 加倍阶段：3 列等宽
     ┌────────────┬────────────┬────────────┐
     │ 上家        │ 我          │ 下家        │
     │ 加倍/不加倍/│ [加倍 ×4]   │ 加倍/不加倍/│
     │ 思考中…     │ [不加倍]    │ 思考中…     │
     └────────────┴────────────┴────────────┘ */
  /* 加倍阶段：面板写死宽度，避免"加倍/不加倍"按钮变成短文字后整块收窄、左右抖动 */
  .ddz-bid-panel.in-double {
    width: min(372px, calc(100% - 1rem));
  }
  .ddz-double-grid {
    display: grid;
    grid-template-columns: 1fr 1.15fr 1fr;
    gap: 0.45rem;
    width: 100%;
    align-items: stretch;
  }
  .ddz-double-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.18rem;
    padding: 0.42rem 0.4rem;
    border-radius: 10px;
    background: linear-gradient(180deg, rgba(255,253,245,0.95) 0%, rgba(245,239,224,0.92) 100%);
    border: 1px solid var(--ddz-frame-2);
    font-family: var(--font-display);
    letter-spacing: 0.03em;
    min-height: 80px;
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.55);
    transition: all 0.18s;
  }
  .ddz-double-cell .who {
    color: var(--ddz-text-on-felt-mute);
    font-size: 0.74rem;
    letter-spacing: 0.06em;
  }
  .ddz-double-cell .status {
    color: var(--ddz-text-on-felt);
    font-size: 0.94rem;
    font-weight: 700;
    white-space: nowrap;
  }
  .ddz-double-cell.decided-yes {
    border-color: var(--ddz-accent);
    background: linear-gradient(180deg, rgba(216,184,122,0.36) 0%, rgba(196,146,63,0.18) 100%);
  }
  .ddz-double-cell.decided-yes .status { color: var(--ddz-accent-strong); }
  .ddz-double-cell.decided-no {
    border-color: rgba(141,110,55,0.20);
    background: rgba(141,110,55,0.04);
  }
  .ddz-double-cell.decided-no .status { color: var(--ddz-text-on-felt-mute); }
  .ddz-double-cell.pending { border-style: dashed; }
  .ddz-double-cell.pending .status::after {
    content: '…';
    display: inline-block;
    animation: ddz-dots 1.2s steps(4, end) infinite;
    width: 1em; text-align: left; margin-left: 2px;
  }
  /* 加倍阶段倒计时改挂在面板正上方（#ddzDoubleCountdown），不再塞进"我"那格右上角 */
  .ddz-double-cell { position: relative; }
  /* 我（中间）这一列在未决时是两个堆叠按钮 */
  .ddz-double-cell.me-pending {
    background: linear-gradient(180deg, rgba(255,253,245,0.98) 0%, rgba(245,239,224,0.95) 100%);
    border-style: solid;
    border-color: var(--ddz-accent);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.6), 0 2px 8px rgba(141,110,55,0.16);
  }
  .ddz-double-cell .me-btns {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    width: 100%;
    align-items: center;
  }
  .ddz-double-cell .me-btns button {
    width: 100%;
    max-width: 130px;
    padding: 0.36rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--ddz-frame);
    background: var(--ddz-card-bg);
    color: var(--ddz-suit-black);
    cursor: pointer;
    font-family: var(--font-display);
    font-size: 0.88rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    box-shadow: 0 1px 3px rgba(20,37,63,0.18);
    transition: transform 0.12s, background 0.12s;
  }
  .ddz-double-cell .me-btns button.primary {
    background: var(--color-accent);
    color: #fff;
    border-color: var(--color-accent);
  }
  @media (hover: hover) {
    .ddz-double-cell .me-btns button:hover:not(:disabled) { transform: translateY(-1px); }
  }

  /* ======== 浮层 ======== */
  .ddz-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(13,24,43,0.78) 0%, rgba(13,24,43,0.55) 100%);
    display: none;
    flex-direction: column;
    align-items: center; justify-content: center;
    gap: 0.9rem;
    color: var(--ddz-text-on-felt);
    text-align: center;
    padding: 1rem;
    z-index: 10;
    border-radius: 14px;
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
  }
  .ddz-overlay.show { display: flex; animation: ddz-fadein 0.3s; }
  .ddz-overlay h2 {
    font-size: 1.9rem; margin: 0;
    font-family: var(--font-display);
    color: var(--ddz-accent-strong);
    letter-spacing: 0.04em;
  }
  .ddz-overlay .ddz-result-detail {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--ddz-frame-2);
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    font-size: 0.95rem;
    line-height: 1.8;
    font-family: var(--font-display);
    letter-spacing: 0.02em;
  }
  .ddz-overlay .ddz-result-detail strong {
    color: var(--ddz-accent-strong);
    font-size: 1.1em;
  }
  /* 春天 / 反春天 庆祝 badge */
  .ddz-spring-badge {
    display: inline-block;
    margin-bottom: 0.6rem;
    padding: 0.45rem 1.2rem;
    background: linear-gradient(135deg, #d8b87a 0%, #c4923f 100%);
    color: #2a1a05;
    border: 1px solid #f5d142;
    border-radius: 999px;
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    box-shadow: 0 0 20px rgba(245,209,66,0.55), inset 0 1px 1px rgba(255,255,255,0.5);
    animation: ddz-spring-bounce 0.7s cubic-bezier(0.18, 0.9, 0.32, 1.3),
               ddz-spring-glow 2.4s ease-in-out infinite alternate;
  }
  @keyframes ddz-spring-bounce {
    0%   { opacity: 0; transform: scale(0.4) rotate(-8deg); }
    55%  { opacity: 1; transform: scale(1.18) rotate(2deg); }
    80%  { transform: scale(0.95) rotate(-1deg); }
    100% { transform: scale(1) rotate(0); }
  }
  @keyframes ddz-spring-glow {
    from { box-shadow: 0 0 12px rgba(245,209,66,0.4), inset 0 1px 1px rgba(255,255,255,0.5); }
    to   { box-shadow: 0 0 28px rgba(245,209,66,0.9), inset 0 1px 1px rgba(255,255,255,0.5); }
  }
  /* 春天背景颗粒（多个 ::after 假装），就用一个伪元素轻量化 */
  .ddz-overlay.has-spring::before {
    content: '';
    position: absolute; inset: 0;
    pointer-events: none;
    background:
      radial-gradient(2px 2px at 20% 30%, rgba(245,209,66,0.7), transparent 40%),
      radial-gradient(2px 2px at 70% 25%, rgba(245,209,66,0.6), transparent 40%),
      radial-gradient(2px 2px at 35% 70%, rgba(245,209,66,0.7), transparent 40%),
      radial-gradient(2px 2px at 85% 60%, rgba(245,209,66,0.6), transparent 40%),
      radial-gradient(2px 2px at 50% 85%, rgba(245,209,66,0.7), transparent 40%),
      radial-gradient(2px 2px at 12% 80%, rgba(245,209,66,0.5), transparent 40%);
    opacity: 0;
    animation: ddz-spring-particles 3.2s ease-in-out infinite;
  }
  @keyframes ddz-spring-particles {
    0%, 100% { opacity: 0; transform: translateY(0); }
    50%      { opacity: 1; transform: translateY(-4px); }
  }

  /* ============================================================
     结算 reveal（参考欢乐斗地主 image 13）：
     1) 把没出完的对家手牌翻面铺到他们的"已出牌"槽（settle-reveal）；
     2) 每家头像上方飘金币 +N / -N；
     3) 桌面中央闪一个大字"地主胜利 / 失败"；
     4) ~1.7s 后再弹「再来一局」浮层。
     ============================================================ */
  .ddz-played.settle-reveal {
    min-height: 76px;
    max-height: 76px;
    overflow: visible;
    flex-wrap: nowrap;
  }
  .ddz-played.settle-reveal .ddz-card.size-mini {
    animation: ddz-reveal-flip 0.45s cubic-bezier(0.18, 0.9, 0.32, 1.2) backwards;
  }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(2)  { animation-delay: 50ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(3)  { animation-delay: 100ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(4)  { animation-delay: 150ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(5)  { animation-delay: 200ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(6)  { animation-delay: 250ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(7)  { animation-delay: 280ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(8)  { animation-delay: 310ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(9)  { animation-delay: 340ms; }
  .ddz-played.settle-reveal .ddz-card.size-mini:nth-child(n+10) { animation-delay: 370ms; }
  @keyframes ddz-reveal-flip {
    from { opacity: 0; transform: translateY(-10px) rotateY(180deg); }
    to   { opacity: 1; transform: none; }
  }

  /* 大字"地主胜利 / 失败" */
  .ddz-settle-banner {
    position: absolute;
    top: 42%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9;
    pointer-events: none;
    font-family: var(--font-display);
    font-size: 2.6rem;
    font-weight: 800;
    letter-spacing: 0.2em;
    text-align: center;
    line-height: 1.1;
    text-shadow: 0 4px 16px rgba(0,0,0,0.45);
    animation: ddz-settle-pop 0.7s cubic-bezier(0.18, 0.9, 0.32, 1.3),
               ddz-settle-fade 0.4s ease-in 1.6s forwards;
  }
  .ddz-settle-banner.win {
    color: #f5d142;
    text-shadow: 0 0 22px rgba(245,209,66,0.75), 0 4px 16px rgba(0,0,0,0.45);
  }
  .ddz-settle-banner.lose {
    color: #c8e2ff;
    text-shadow: 0 0 22px rgba(120,180,255,0.65), 0 4px 16px rgba(0,0,0,0.45);
  }
  @keyframes ddz-settle-pop {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.4); }
    55%  { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
    100% { opacity: 1; transform: translate(-50%, -50%) scale(1); }
  }
  @keyframes ddz-settle-fade {
    to { opacity: 0; transform: translate(-50%, -54%) scale(0.95); }
  }
  @media (max-width: 600px) {
    .ddz-settle-banner { font-size: 1.9rem; letter-spacing: 0.16em; }
  }
  /* 炸弹 / 王炸 中央大字（深红 / 琥珀金 填色 · 米色桌面上够"烫"） */
  .ddz-fx-banner {
    position: absolute; top: 40%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 9; pointer-events: none;
    font-family: var(--font-display);
    font-weight: 900; font-size: 2.4rem;
    letter-spacing: 0.16em; white-space: nowrap;
    animation: ddz-fx-banner 1.1s ease-out forwards;
  }
  .ddz-fx-banner.bomb {
    background: linear-gradient(135deg, #e0554d, #8b2e2e);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 0 6px rgba(230,120,60,0.55)) drop-shadow(0 2px 3px rgba(255,255,255,0.6)) drop-shadow(0 3px 8px rgba(139,46,46,0.4));
  }
  .ddz-fx-banner.rocket {
    font-size: 2.7rem;
    background: linear-gradient(135deg, #f5d142, #b9791f);
    -webkit-background-clip: text; background-clip: text; color: transparent;
    filter: drop-shadow(0 0 8px rgba(245,200,80,0.7)) drop-shadow(0 2px 3px rgba(255,255,255,0.7)) drop-shadow(0 3px 8px rgba(150,100,20,0.4));
  }
  @keyframes ddz-fx-banner {
    0%   { opacity: 0; transform: translate(-50%, -50%) scale(0.5) rotate(-6deg); }
    22%  { opacity: 1; transform: translate(-50%, -50%) scale(1.15) rotate(0deg); }
    55%  { opacity: 1; transform: translate(-50%, -50%) scale(1.0); }
    100% { opacity: 0; transform: translate(-50%, -50%) scale(1.05); }
  }
  @media (max-width: 600px) {
    .ddz-fx-banner { font-size: 1.9rem; }
    .ddz-fx-banner.rocket { font-size: 2.1rem; }
  }
  @media (prefers-reduced-motion: reduce) { .ddz-fx-banner { animation-duration: 1ms; } }
  /* 结算面板：赢家在上·两行；地主宽卡占 2 列、两农民各 1 列；只显示净得分 */
  .ddz-overlay .ddz-settle-grid {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0.5rem; width: 100%; max-width: 300px; margin: 0 auto;
  }
  .ddz-settle-card {
    display: flex; flex-direction: column; align-items: center; gap: 0.08rem;
    background: linear-gradient(180deg, #fafaf9, #f2f0ea);
    border: 1px solid var(--ddz-frame); border-radius: 9px;
    padding: 0.5rem 0.4rem; box-shadow: 0 2px 6px rgba(0,0,0,0.28);
  }
  .ddz-settle-card.wide {
    grid-column: 1 / -1; flex-direction: row; justify-content: center; gap: 0.5rem;
  }
  .ddz-settle-card.winner {
    border: 1.5px solid #f5d142; box-shadow: 0 0 16px rgba(245,209,66,0.5);
  }
  .ddz-settle-av { font-size: 1.4rem; line-height: 1.1; }
  .ddz-settle-role {
    font-family: var(--font-display); font-weight: 700; font-size: 0.86rem;
    color: var(--color-accent); letter-spacing: 0.03em;
  }
  .ddz-settle-role.ll { color: var(--ddz-accent-strong, #a87a2a); }
  .ddz-settle-amt {
    font-family: var(--font-display); font-weight: 800; font-size: 1.2rem;
    font-variant-numeric: tabular-nums;
  }
  .ddz-settle-amt.plus { color: #3fa34a; }
  .ddz-settle-amt.minus { color: var(--ddz-suit-red); }

  /* 金币 +N / -N 飘字（挂在每家座位/头像容器上） */
  .ddz-coin-delta {
    position: absolute;
    /* 挂在 avatar 右侧（不在头像上方），垂直与 avatar 中线齐；动画往上飘 + 同时淡出
       —— 不再挡住头像，也不会因为顶部 padding 不够就被切掉 */
    top: calc(50% - 0.65em);
    left: calc(100% + 8px);
    z-index: 7;
    padding: 0.2rem 0.7rem;
    border-radius: 999px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0.03em;
    white-space: nowrap;
    pointer-events: none;
    animation: ddz-coin-fly 1.8s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
  }
  .ddz-coin-delta.gain {
    background: linear-gradient(135deg, #ffe08a, #f5b042);
    color: #3a230a;
    border: 1.5px solid #fff5d4;
    box-shadow: 0 4px 14px rgba(245,176,66,0.55);
  }
  .ddz-coin-delta.lose {
    background: linear-gradient(135deg, #d8a4a1, #8b2e2e);
    color: #fff5e6;
    border: 1.5px solid rgba(255,245,212,0.85);
    box-shadow: 0 4px 14px rgba(139,46,46,0.5);
  }
  .ddz-coin-delta::before {
    content: '';
    display: inline-block;
    width: 0.72em; height: 0.72em;
    border: 2px solid currentColor;
    border-radius: 50%;
    margin-right: 0.18em;
    vertical-align: -0.06em;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.35));
  }
  @keyframes ddz-coin-fly {
    0%   { opacity: 0; transform: translateY(2px) scale(0.6); }
    18%  { opacity: 1; transform: translateY(-2px) scale(1.18); }
    55%  { opacity: 1; transform: translateY(-18px) scale(1); }
    100% { opacity: 0; transform: translateY(-32px) scale(0.95); }
  }

  /* 倍数闪光（炸弹 / 王炸 / 春天 — 任何 multiplier 翻倍触发） */
  .ddz-score-hint.boom {
    animation: ddz-mult-boom 0.7s cubic-bezier(0.2, 0.9, 0.3, 1.3);
  }
  @keyframes ddz-mult-boom {
    0%   { transform: scale(1); }
    40%  { transform: scale(1.4); background: rgba(245,209,66,0.55); box-shadow: 0 0 22px rgba(245,209,66,0.7); }
    100% { transform: scale(1); }
  }
  /* 浮在出牌区的 "倍数 ×2" toast */
  .ddz-mult-toast {
    position: absolute;
    z-index: 8;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: linear-gradient(135deg, #ffe08a, #f5b042);
    color: #3a230a;
    border: 1.5px solid #fff5d4;
    font-family: var(--font-body);
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    box-shadow: 0 4px 12px rgba(245,176,66,0.6);
    pointer-events: none;
    transform: translateX(-50%);
    animation: ddz-mult-toast-fly 1.4s cubic-bezier(0.2, 0.7, 0.3, 1) forwards;
  }
  @keyframes ddz-mult-toast-fly {
    0%   { opacity: 0; transform: translate(-50%, 6px) scale(0.6); }
    20%  { opacity: 1; transform: translate(-50%, -10px) scale(1.18); }
    70%  { opacity: 1; transform: translate(-50%, -32px) scale(1); }
    100% { opacity: 0; transform: translate(-50%, -48px) scale(0.95); }
  }

  /* 春天 全屏樱花飘落（参考欢乐斗地主 image 12） */
  .ddz-sakura-overlay {
    position: fixed; inset: 0;
    z-index: 9997;
    pointer-events: none;
    overflow: hidden;
  }
  .ddz-sakura-overlay .petal {
    position: absolute;
    top: -30px;
    font-size: 22px;
    text-shadow: 0 0 6px rgba(255,182,193,0.55);
    animation: ddz-sakura-fall var(--dur, 4.5s) linear forwards;
    opacity: 0.92;
    will-change: transform, opacity;
  }
  @keyframes ddz-sakura-fall {
    0%   { transform: translate3d(0, 0, 0) rotate(0deg); opacity: 0; }
    8%   { opacity: 0.95; }
    92%  { opacity: 0.92; }
    100% { transform: translate3d(var(--drift, 60px), 110vh, 0) rotate(540deg); opacity: 0; }
  }

  .ddz-help {
    margin-top: 1rem;
    font-size: 0.82rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.7;
  }
  .ddz-offline-status {
    margin: 0.15rem auto 0.55rem;
    max-width: 34rem;
    font-size: 0.78rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.5;
  }

  details.about summary {
    cursor: pointer; padding: 0.4rem 0;
    color: var(--color-muted); font-weight: 500;
    list-style: none;
  }
  details.about summary::before { content: '+ '; transition: 0.2s; }
  details[open].about summary::before { content: '− '; }
  details.about p { margin: 0.6rem 0; }

  /* ======== 移动端 ======== */
  @media (max-width: 600px) {
    .ddz-wrap {
      --ddz-card-w: 40px;
      --ddz-card-h: 58px;
      --ddz-card-overlap: 24px;
      --ddz-card-mini-w: 30px;
      --ddz-card-mini-h: 44px;
      --ddz-card-mini-overlap: 18px;
      --ddz-card-bottom-w: 28px;
      --ddz-card-bottom-h: 40px;
    }
    .ddz-table { padding: 1rem 0.6rem 0.8rem; }
    .ddz-avatar { width: 46px; height: 46px; font-size: 1.4rem; }
    .ddz-avatar.is-landlord::after { font-size: 1rem; top: -10px; }
    .ddz-seat-ai { min-width: 78px; }
    /* 四象限版型字号按 --ddz-q-base(卡宽) 自动缩放，无需逐尺寸覆盖；仅卡背符号仍需收一点 */
    .ddz-card-back::after { font-size: 14px; }
    .ddz-overlay h2 { font-size: 1.5rem; }
    .ddz-double-q { font-size: 0.9rem; }
    .ddz-double-q .mult-preview { font-size: 0.8rem; }
    .ddz-double-others { gap: 0.3rem; font-size: 0.74rem; }
    .ddz-double-others .who { padding: 0.05rem 0.4rem; }
  }

  /* 手机竖屏：进一步收紧卡牌尺寸，让地主 20 张牌也能挤在一行 */
  @media (max-width: 600px) and (orientation: portrait) {
    .ddz-wrap {
      --ddz-card-w: 36px;
      --ddz-card-h: 52px;
      --ddz-card-overlap: 22px;        /* visible 14px/card → 20 cards = 302px，绝大多数手机一行能放下 */
      --ddz-card-mini-w: 26px;
      --ddz-card-mini-h: 38px;
      --ddz-card-mini-overlap: 14px;   /* visible 12px/card → 长牌型仍可读 */
    }
    .ddz-hand {
      flex-wrap: nowrap;               /* 强制单行 — 不再换行 */
      overflow-x: auto;                /* 真的太长（极个别 320px 屏）可横滑 */
      justify-content: safe center;    /* 放不下时左对齐而非把左边的牌挤到看不见 */
    }
    .ddz-hand .ddz-card.size-full.group-start { margin-left: 4px; }
    /* 四象限版型字号按 --ddz-q-base(卡宽) 自动缩放：上面已把 --ddz-card-w 收小，无需逐尺寸覆盖 */
  }

  /* 手机横屏（用户自愿旋转时）—— 不强制、不弹提示，转过来就更宽敞：
     宽度富余、竖向局促 → 收紧竖向间距，上家/下家两排并成左右两列，
     底牌 + 出牌 + 手牌都能在一屏内不滚动。max-height 限定只命中手机横屏。
     第二个分支 = 竖握手机被 CSS 旋转成横屏画幅时（见文末旋转规则）：视口仍是竖的，
     但内容高度 = 屏宽 ≈ 390，跟真横屏一样局促，所以复用同一套收紧。 */
  @media (orientation: landscape) and (max-height: 560px) {
    .ddz-wrap {
      --ddz-card-w: 44px;
      --ddz-card-h: 62px;
      --ddz-card-overlap: 26px;
      --ddz-card-mini-w: 30px;
      --ddz-card-mini-h: 43px;
      --ddz-card-mini-overlap: 16px;
    }
    .ddz-table { padding: 0.45rem 0.9rem 0.45rem; }
    .ddz-tops { margin-bottom: 0.1rem; gap: 0.15rem; }
    .ddz-avatar { width: 38px; height: 38px; font-size: 1.15rem; }
    .ddz-name { font-size: 0.66rem; }
    .ddz-handcount { font-size: 0.66rem; }
    .ddz-center { min-height: 0; }
    .ddz-bottom-pile { margin-bottom: 0.1rem; }
    /* 横屏宽度足够：对家出牌行收矮，左右半区更宽，长牌型更舒展 */
    .ddz-tops-plays { min-height: 44px; gap: 1rem; }
    .ddz-tops-plays .ddz-played { min-height: 42px; max-height: 42px; }
    .ddz-decision-slot { min-height: 52px; margin-top: 0.1rem; }
    .ddz-decision-slot .ddz-played { min-height: 52px; max-height: 52px; }
    /* 时钟行：收紧到刚好容下时钟，省 ~14px（轮到我时也不顶飞手牌） */
    .ddz-self-clock-row { min-height: 1.5rem; }
    .ddz-hand { padding: 0.15rem 0; min-height: calc(var(--ddz-card-h) + 14px); }
    .ddz-actions { margin-top: 0.2rem; min-height: 1.7rem; }
    /* 横屏：手牌铺满，把"我"收成头像+张数钉到左下角，并给手牌左侧让位，别压住头几张牌 */
    .ddz-self {
      left: 0.4rem; bottom: 0.4rem; margin-top: 0;
      flex-direction: row; align-items: flex-end; gap: 0.3rem;
    }
    .ddz-self .ddz-name { display: none; }
    .ddz-hand { padding: 0.15rem 80px; }
    .ddz-corner-chips { bottom: 6rem; }
    /* 标题省掉腾纵向（退出全屏 / 静音 chip 是绝对定位，仍在角上） */
    .ddz-wrap header h1 { display: none; }
    .ddz-wrap header { margin-bottom: 0; min-height: 0; }
    /* setup 浮层也收紧，别让"③ 开始"被切到屏外 */
    .ddz-setup { padding: 0.5rem; }
    .ddz-setup .ddz-setup-inner { padding: 0.7rem 1rem; max-height: 96%; }
    .ddz-setup-step { margin-bottom: 0.7rem; }
    .ddz-setup-step-label { margin-bottom: 0.4rem; }
  }

  /* 游戏内「🏆 榜单」chip（左上方，对称音效 chip）——替代退出全屏 */
  .ddz-board-btn {
    position: absolute; top: 0.6rem; left: 0.6rem;
    padding: 0.28rem 0.65rem;
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    color: var(--color-muted);
    border-radius: 999px;
    font-size: 0.78rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.18s;
  }
  @media (hover: hover) {
    .ddz-board-btn:hover { border-color: var(--color-accent); color: var(--color-accent); }
  }

  /* 游戏内「榜单/玩法/评论」浮层 */
  .ddz-board-modal {
    position: fixed; inset: 0; z-index: 10001;
    display: flex; align-items: center; justify-content: center;
    width: 100vw; height: 100dvh; max-width: none; max-height: none;
    margin: 0; padding: 0; border: 0; background: transparent;
  }
  .ddz-board-modal[hidden] { display: none; }
  .ddz-board-backdrop {
    position: absolute; inset: 0;
    background: rgba(13,24,43,0.55);
    -webkit-backdrop-filter: blur(2px); backdrop-filter: blur(2px);
  }
  .ddz-board-panel {
    position: relative; z-index: 1;
    background: var(--color-bg); border: 1px solid var(--color-border);
    border-radius: 14px; padding: 1.5rem 1.2rem 1.2rem;
    width: min(600px, 92vw); max-height: 88vh; overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    box-shadow: 0 12px 40px rgba(13,24,43,0.4);
  }
  .ddz-board-close {
    position: absolute; top: 0.5rem; right: 0.6rem;
    width: 2rem; height: 2rem; border-radius: 50%;
    border: 1px solid var(--color-border); background: var(--color-bg);
    font-size: 1.3rem; line-height: 1; cursor: pointer; color: var(--color-muted);
    display: flex; align-items: center; justify-content: center;
  }
  @media (hover: hover) { .ddz-board-close:hover { border-color: var(--color-accent); color: var(--color-accent); } }
  .ddz-board-panel details.about { margin: 0 0 1rem !important; max-width: none !important; }
  .ddz-board-panel #ddz-wlb-mount,
  .ddz-board-panel #ddz-nick-mount { margin: 0 0 0.8rem !important; }

  /* ======== 游戏画幅全屏模式 (跨平台) ========
     点 "⛶ 全屏" → body 加 .ddz-game-fullscreen 类
     - .ddz-wrap 用 position: fixed 铺满 viewport（z-index 9999 盖住站点 nav/footer）
     - 隐排行榜 / 评论 / 帮助 / 结算按钮 → 全部腾出空间给牌桌
     - .ddz-table 去掉 760px max-width 上限，桌面也能跟随更宽
     - 不用浏览器 fullscreen API，桌面手机都稳定 */
  body.ddz-game-fullscreen { overflow: hidden; }
  body.ddz-game-fullscreen .ddz-wrap {
    position: fixed;
    inset: 0;
    z-index: 9999;
    margin: 0;
    padding: 0.6rem 0.6rem 0.4rem;
    background: var(--color-bg);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    /* 让 header + 牌桌在竖向上居中铺开，剩余空白均分到上下；
       safe center 兜底——视口不够高时回退到 flex-start，避免内容被切掉头部 */
    display: flex;
    flex-direction: column;
    justify-content: safe center;
    max-width: none;
  }
  body.ddz-game-fullscreen .ddz-wrap header { margin-bottom: 0.4rem; }
  body.ddz-game-fullscreen .ddz-wrap header h1 { font-size: 1.2rem; }
  body.ddz-game-fullscreen .ddz-wrap header .sub { display: none; }
  /* width:100% 是关键——flex 列布局下 align-items:stretch 不会替我们撑宽
     一个没显式 width 的子元素；不给的话 .ddz-table 就缩到内容（setup 浮层）
     的天然宽度，看着像被压成手机条 */
  body.ddz-game-fullscreen .ddz-table { width: 100%; max-width: 900px; margin: 0 auto; }
  body.ddz-game-fullscreen .ddz-help { display: none !important; }
  /* 通用续局浮层挂在 body 下；必须高于斗地主自身的 fixed 全屏 stacking context。 */
  body.ddz-game-fullscreen .gs-resume-overlay { z-index: 10010; }
  /* 玩法 / 战绩榜 / 评论 已移进游戏内「🏆 榜单」浮层（ddz-board-modal），
     由浮层 [hidden] 控制显隐——永久全屏、不再跳出游戏外。 */

  /* ======== 手机竖屏：直接提示"请横屏"，不再硬塞竖屏牌桌 ========
     仅触屏(pointer:coarse)竖屏生效，桌面/平板横排不受影响。 */
  .ddz-rotate-hint { display: none; }
  @media (orientation: portrait) and (pointer: coarse) {
    .ddz-rotate-hint {
      display: flex; position: fixed; inset: 0; z-index: 100000;
      flex-direction: column; align-items: center; justify-content: center;
      gap: 1.1rem; padding: 2rem; text-align: center;
      background: linear-gradient(160deg, var(--ddz-felt-1) 0%, var(--ddz-felt-3) 100%);
      color: var(--ddz-text-on-felt);
    }
    .ddz-rotate-phone {
      width: 48px; height: 80px; border: 3px solid var(--ddz-accent-strong);
      border-radius: 11px; position: relative;
      animation: ddz-rotate-tilt 1.9s ease-in-out infinite;
    }
    .ddz-rotate-phone::after {
      content: ''; position: absolute; left: 50%; bottom: 6px; width: 16px; height: 3px;
      background: var(--ddz-accent-strong); border-radius: 2px; transform: translateX(-50%);
    }
    @keyframes ddz-rotate-tilt {
      0%, 28% { transform: rotate(0deg); }
      68%, 100% { transform: rotate(-90deg); }
    }
    .ddz-rotate-title { font-size: 1.3rem; font-weight: 700; }
    .ddz-rotate-sub { font-size: 0.9rem; color: var(--ddz-text-on-felt-mute, var(--color-muted)); max-width: 17rem; line-height: 1.65; }
  }

  /* ============================================================
     Gate 6 · 方案 A：暖纸三角围桌
     ============================================================ */
  .ddz-visually-hidden {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    padding: 0 !important;
    margin: -1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
    border: 0 !important;
  }

  body.ddz-game-fullscreen .ddz-wrap {
    padding: 0 1.2rem 1.2rem;
    overflow-x: hidden;
    justify-content: flex-start;
  }
  .ddz-wrap {
    --ddz-text-on-felt-mute: #5d594f;
    --ddz-focus: #0b61a4;
  }
  .ddz-wrap header {
    position: relative;
    flex: 0 0 64px;
    width: 100%;
    min-height: 64px;
    margin: 0 !important;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .ddz-wrap header h1 {
    margin: 0;
    font-size: 1.25rem !important;
    letter-spacing: 0.08em;
  }
  .ddz-exit-btn,
  .ddz-board-btn,
  .ddz-sfx-toggle {
    top: 50%;
    transform: translateY(-50%);
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.55rem 0.85rem;
    border-radius: 999px;
    font-size: 0.82rem;
    line-height: 1;
  }
  .ddz-exit-btn {
    position: absolute;
    left: 0;
    color: var(--color-muted);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    text-decoration: none;
  }
  .ddz-board-btn { left: 4.5rem; }
  .ddz-sfx-toggle { right: 0; }

  body.ddz-game-fullscreen .ddz-table {
    flex: 1 1 auto;
    width: 100%;
    max-width: 1400px;
    min-height: min(690px, calc(100dvh - 84px));
    margin: 0 auto;
    border-radius: 30px;
    padding: 1.25rem clamp(0.75rem, 2.8vw, 2.5rem) 1rem;
  }
  .ddz-table::before {
    opacity: 0.75;
    background:
      radial-gradient(circle at 20% 30%, rgba(255,255,255,0.28) 0 1px, transparent 1.7px),
      radial-gradient(circle at 72% 62%, rgba(141,110,55,0.12) 0 1px, transparent 1.7px);
    background-size: 43px 43px, 57px 57px;
  }
  .ddz-table::after {
    inset: 2rem clamp(2.5rem, 7vw, 7rem) 4.6rem;
    border-color: rgba(168,122,42,0.28);
    border-radius: 50%;
  }
  .ddz-tops {
    min-height: 236px;
    margin: 0;
    gap: 0;
  }
  .ddz-tops-avatars {
    padding: 2.2rem clamp(1rem, 7vw, 7rem) 0;
    align-items: flex-start;
  }
  .ddz-seat-ai,
  .ddz-self {
    padding: 0.35rem 0.5rem;
    border-radius: 14px;
  }
  .ddz-tops-plays {
    min-height: 90px;
    padding: 0 clamp(5rem, 15vw, 13rem);
  }
  .ddz-tops-plays .ddz-played {
    min-height: 82px;
    max-height: 82px;
  }
  .ddz-decision-slot { min-height: 82px; }
  .ddz-decision-slot .ddz-played { min-height: 78px; max-height: 78px; }
  .ddz-self { left: clamp(0.75rem, 5vw, 4.5rem); bottom: 1.1rem; }
  .ddz-hand {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0.35rem;
    width: 100%;
    padding-inline: clamp(4rem, 10vw, 9rem);
  }
  .ddz-actions {
    position: absolute;
    left: 50%;
    bottom: calc(var(--ddz-card-h) + 1.05rem);
    transform: translateX(-50%);
    width: max-content;
    max-width: calc(100% - 1rem);
    margin: 0;
  }
  .ddz-self-clock-row {
    position: absolute;
    left: 50%;
    bottom: calc(var(--ddz-card-h) + 4.15rem);
    transform: translateX(-50%);
    width: max-content;
    margin: 0;
  }
  .ddz-actions .ddz-btn,
  .ddz-bid-buttons .ddz-btn,
  .ddz-lobby-actions .ddz-btn {
    min-height: 44px;
    min-width: 84px;
  }
  .ddz-corner-chips { right: 1.2rem; top: 50%; bottom: auto; transform: translateY(-50%); }
  .ddz-autopilot-toggle { min-height: 32px; }

  .ddz-card[role="option"]:focus-visible {
    outline: 3px solid var(--ddz-focus);
    outline-offset: 3px;
    z-index: 20;
    transform: translateY(-12px);
  }
  .ddz-card[role="option"][aria-selected="true"] {
    box-shadow: 0 8px 16px rgba(20,37,63,0.38), inset 0 0 0 3px var(--ddz-accent-strong);
  }
  .ddz-wrap :where(a, button, input, select, summary, [tabindex]):focus-visible {
    outline: 3px solid var(--ddz-focus);
    outline-offset: 3px;
  }
  .ddz-board-panel,
  .ddz-setup-inner,
  .ddz-overlay { color: var(--color-ink); }

  .ddz-mode-tab,
  .ddz-playmode-btn,
  .ddz-online-tab,
  .ddz-btn-mini,
  .ddz-lseat .sb,
  .ddz-board-close {
    min-height: 32px;
    min-width: 32px;
  }
  .ddz-online-input,
  .ddz-online-config select { min-height: 44px; }
  .ddz-bid-buttons button,
  .ddz-actions .ddz-btn,
  .ddz-setup .ddz-btn,
  .ddz-lobby-actions .ddz-btn { min-height: 44px; }
  .ddz-lseat .seatbtns { gap: 0.4rem; }
  .ddz-lseat .sb { padding: 0.45rem 0.65rem; }

  :root[data-theme="dark"] .ddz-wrap {
    --ddz-felt-1: #343027;
    --ddz-felt-2: #29261f;
    --ddz-felt-3: #1e1c18;
    --ddz-frame-2: rgba(218,184,116,0.62);
    --ddz-text-on-felt: #fff8e8;
    --ddz-text-on-felt-mute: #ddd3bf;
    --ddz-focus: #79bfff;
  }
  :root[data-theme="dark"] .ddz-table {
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.06), inset 0 0 100px rgba(0,0,0,0.28), 0 10px 32px rgba(0,0,0,0.32);
  }
  :root[data-theme="dark"] .ddz-table::after { border-color: rgba(229,195,126,0.35); }
  :root[data-theme="dark"] .ddz-handcount,
  :root[data-theme="dark"] .ddz-chip,
  :root[data-theme="dark"] .ddz-autopilot-toggle {
    background: rgba(255,248,232,0.10);
    color: #fff8e8;
    border-color: rgba(229,195,126,0.48);
  }
  :root[data-theme="dark"] .ddz-avatar {
    background: linear-gradient(160deg, #4b4538, #2f2c25);
    color: #fff8e8;
  }

  /* 200% zoom、平板和低高度桌面：保留完整操作，不裁掉动作区。 */
  @media (max-width: 900px), (max-height: 700px) {
    body.ddz-game-fullscreen .ddz-wrap { padding: 0 0.5rem 0.5rem; }
    .ddz-wrap header { flex-basis: 54px; min-height: 54px; }
    body.ddz-game-fullscreen .ddz-table {
      min-height: calc(100dvh - 60px);
      border-radius: 20px;
      padding: 0.5rem 0.6rem;
    }
    .ddz-table::after { inset: 1rem 2.5rem 3.5rem; }
    .ddz-tops { min-height: 150px; }
    .ddz-tops-avatars { padding: 0.6rem 1rem 0; }
    .ddz-tops-plays { min-height: 54px; padding: 0 12%; }
    .ddz-tops-plays .ddz-played { min-height: 52px; max-height: 52px; }
    .ddz-decision-slot { min-height: 58px; }
    .ddz-decision-slot .ddz-played { min-height: 56px; max-height: 56px; }
    .ddz-self-clock-row { min-height: 1.65rem; margin-top: 0; }
    .ddz-actions { min-height: 44px; margin-top: 0; }
    .ddz-hand { min-height: calc(var(--ddz-card-h) + 16px); padding: 0.15rem 4.5rem; }
    .ddz-self { left: 0.35rem; bottom: 0.35rem; }
    .ddz-corner-chips { right: 0.35rem; top: 50%; bottom: auto; }
  }

  /* 竖屏是真正可玩的紧凑三角桌；不再显示方向阻断层。 */
  .ddz-rotate-hint { display: none !important; }
  @media (orientation: portrait) and (max-width: 600px) {
    body.ddz-game-fullscreen .ddz-wrap {
      padding: 0 0.25rem 0.25rem;
      overflow-y: auto;
      overflow-x: hidden;
    }
    .ddz-wrap header {
      flex-basis: 52px;
      min-height: 52px;
      padding-inline: 0.1rem;
    }
    .ddz-wrap header h1 { display: none; }
    .ddz-exit-btn,
    .ddz-board-btn,
    .ddz-sfx-toggle {
      position: static;
      transform: none;
      min-height: 44px;
      padding: 0.5rem 0.68rem;
      margin: 0 0.15rem;
    }
    .ddz-wrap header { justify-content: space-between; }
    body.ddz-game-fullscreen .ddz-table {
      min-height: max(510px, calc(100dvh - 55px));
      border-radius: 18px;
      padding: 0.35rem 0.3rem 0.25rem;
      overflow: hidden;
    }
    .ddz-table::after { inset: 0.7rem 1rem 4.2rem; border-radius: 42%; }
    .ddz-tops { min-height: 138px; }
    .ddz-tops-avatars { padding: 0.35rem 0.15rem 0; }
    .ddz-seat-ai { min-width: 76px; padding: 0.2rem; }
    .ddz-avatar { width: 42px; height: 42px; font-size: 1.2rem; }
    .ddz-name { margin-top: 0.2rem; font-size: 0.68rem; }
    .ddz-handcount { margin-top: 0.15rem; padding: 0.08rem 0.42rem; font-size: 0.68rem; }
    .ddz-tops-plays { min-height: 45px; padding: 0 2.7rem; }
    .ddz-tops-plays .ddz-played { min-height: 44px; max-height: 44px; }
    .ddz-decision-slot { min-height: 52px; margin-top: 0; }
    .ddz-decision-slot .ddz-played { min-height: 50px; max-height: 50px; }
    .ddz-self-clock-row { min-height: 1.6rem; margin-top: 0; }
    .ddz-actions {
      min-height: 46px;
      margin: 0;
      gap: 0.35rem;
      flex-wrap: nowrap;
    }
    .ddz-actions .ddz-btn,
    .ddz-bid-buttons .ddz-btn { min-width: 72px; min-height: 44px; padding: 0.45rem 0.7rem; }
    .ddz-hand {
      padding: 0.15rem 3.2rem 0.15rem 3.4rem;
      min-height: calc(var(--ddz-card-h) + 13px);
      overflow: visible;
    }
    .ddz-self {
      left: 0.2rem;
      bottom: 0.25rem;
      padding: 0.15rem;
      gap: 0.1rem;
    }
    .ddz-self .ddz-avatar { width: 40px; height: 40px; }
    .ddz-self .ddz-name { display: none; }
    .ddz-self-info { align-items: center; }
    .ddz-corner-chips { right: 0.2rem; top: 49%; bottom: auto; gap: 0.25rem; }
    .ddz-autopilot-toggle { min-height: 28px; padding: 0.25rem 0.42rem; font-size: 0.67rem; }
    .ddz-score-hint { font-size: 0.7rem; }
    .ddz-bid-panel { max-width: calc(100% - 0.7rem); }
    .ddz-setup { padding: 0.35rem; align-items: stretch; }
    .ddz-setup .ddz-setup-inner {
      max-height: calc(100dvh - 60px);
      padding: 0.75rem;
      border-radius: 12px;
    }
    .ddz-setup-step { margin-bottom: 0.7rem; }
    .ddz-mode-row { display: flex; }
    .ddz-playmode-btn { flex: 1 1 0; min-height: 44px; padding-inline: 0.45rem; }
    .ddz-mode-tab, .ddz-online-tab { min-height: 44px; }
    .ddz-lobby { padding-inline: 0.25rem; }
    .ddz-lobby-table { min-height: 290px; }
    .ddz-lseat { width: 102px; }
    .ddz-lseat .sb { min-height: 44px; }
    .ddz-lobby-actions { flex-wrap: wrap; }
    .ddz-board-panel { width: calc(100vw - 1rem); max-height: calc(100dvh - 1rem); }
  }

  @media (pointer: coarse) {
    .ddz-mode-tab,
    .ddz-playmode-btn,
    .ddz-online-tab,
    .ddz-btn-mini,
    .ddz-lseat .sb,
    .ddz-board-close,
    .ddz-autopilot-toggle { min-height: 44px; min-width: 44px; }
  }

  @media (prefers-reduced-motion: reduce) {
    .ddz-wrap *,
    .ddz-wrap *::before,
    .ddz-wrap *::after {
      animation-duration: 0.001ms !important;
      animation-iteration-count: 1 !important;
      transition-duration: 0.001ms !important;
      scroll-behavior: auto !important;
    }
  }