/* ===== 升级面板 ===== */
        #levelup-panel {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            display: none; pointer-events: all; z-index: 20;
            flex-direction: column; align-items: center; gap: 14px;
            background: var(--cream); border: 4px solid var(--orange-deep);
            border-radius: 22px; padding: 22px 20px;
            box-shadow: 0 10px 0 rgba(0,0,0,0.22), 0 0 50px rgba(255,140,60,0.45);
            min-width: 320px; max-width: 95vw;
        }
        #levelup-panel h2 {
            color: var(--orange-deep); font-size: 1.5em; text-align: center;
            letter-spacing: 0.05em; margin: 0; text-shadow: 0 2px 0 rgba(255,255,255,0.55);
        }
        #levelup-panel .cards { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
        #levelup-panel .card {
            background: linear-gradient(160deg, var(--cream-2), #ffe0b0);
            border: 3px solid var(--orange); border-radius: 16px; padding: 14px 10px;
            cursor: pointer; width: 122px; text-align: center; transition: all 0.18s;
            color: var(--brown); position: relative; overflow: hidden;
            box-shadow: 0 5px 0 rgba(180,90,20,0.35);
        }
        #levelup-panel .card:hover { border-color: var(--orange-deep); transform: translateY(-4px); box-shadow: 0 9px 0 rgba(180,90,20,0.35); }
        #levelup-panel .card:active { transform: translateY(1px) scale(0.97); box-shadow: 0 2px 0 rgba(180,90,20,0.35); }
        #levelup-panel .card .icon { font-size: 2.1em; display: block; margin-bottom: 4px; }
        #levelup-panel .card .name { display: block; font-weight: bold; font-size: 0.92em; margin-bottom: 4px; color: var(--brown); }
        #levelup-panel .card .desc { display: block; font-size: 0.72em; color: var(--brown-soft); line-height: 1.3; }
        #levelup-panel .card .level-tag {
            display: inline-block; background: var(--orange); color: #fff;
            font-size: 0.66em; font-weight: bold; padding: 2px 9px; border-radius: 10px; margin-top: 7px;
            box-shadow: 0 2px 0 rgba(0,0,0,0.15);
        }
        #levelup-panel .skip-btn {
            background: var(--cream-2); border: 2px dashed var(--brown-soft); color: var(--brown-soft);
            padding: 8px 26px; border-radius: 20px; font-size: 0.9em; cursor: pointer;
            transition: all 0.15s; margin-top: 4px;
        }
        #levelup-panel .skip-btn:hover { border-color: var(--orange-deep); color: var(--orange-deep); }
        #levelup-panel .lv-btns { display: flex; justify-content: center; align-items: center; gap: 10px; margin-top: 4px; }
        #levelup-panel .lv-btns .skip-btn { margin-top: 0; }
        #levelup-panel .skip-xp { border-style: solid; border-color: var(--orange); color: var(--orange-deep); background: #ffe3b0; font-weight: bold; }
        @media (max-width: 600px) {
            #levelup-panel .card { width: 84px; padding: 8px 4px; }
            #levelup-panel .card .icon { font-size: 1.4em; }
            #levelup-panel .card .name { font-size: 0.72em; }
            #levelup-panel .card .desc { font-size: 0.62em; }
            #levelup-panel h2 { font-size: 1.2em; }
            #levelup-panel { padding: 14px 8px; gap: 8px; min-width: 0; }
        }

        /* ===== Boss掉落面板 ===== */
        #bossdrop-panel {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            display: none; pointer-events: all; z-index: 20;
            flex-direction: column; align-items: center; gap: 14px;
            background: var(--cream); border: 4px solid var(--amber);
            border-radius: 22px; padding: 22px 18px;
            box-shadow: 0 10px 0 rgba(0,0,0,0.22), 0 0 50px rgba(255,209,102,0.5);
            min-width: 320px; max-width: 95vw;
        }
        #bossdrop-panel h2 { color: #c07a1a; font-size: 1.4em; text-align: center; letter-spacing: 0.04em; text-shadow: 0 2px 0 rgba(255,255,255,0.55); margin: 0; }
        #bossdrop-panel .cards { display: flex; gap: 12px; flex-wrap: wrap; justify-content: center; }
        #bossdrop-panel .card {
            background: linear-gradient(160deg, var(--cream-2), #ffe0b0);
            border: 3px solid var(--amber); border-radius: 16px; padding: 12px 10px;
            cursor: pointer; width: 122px; text-align: center; transition: all 0.18s;
            color: var(--brown); position: relative; overflow: hidden;
            box-shadow: 0 5px 0 rgba(160,105,30,0.35);
        }
        #bossdrop-panel .card:hover { border-color: #e09a1a; transform: translateY(-4px); box-shadow: 0 9px 0 rgba(160,105,30,0.35); }
        #bossdrop-panel .card:active { transform: translateY(1px) scale(0.97); box-shadow: 0 2px 0 rgba(160,105,30,0.35); }
        #bossdrop-panel .card .icon { font-size: 2em; display: block; margin-bottom: 4px; }
        #bossdrop-panel .card .name { display: block; font-weight: bold; font-size: 0.9em; margin-bottom: 4px; color: #c07a1a; }
        #bossdrop-panel .card .desc { display: block; font-size: 0.7em; color: var(--brown-soft); line-height: 1.3; }

        /* ===== 结算界面 ===== */
        #gameover-overlay {
            position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
            display: none; pointer-events: all; z-index: 20;
            flex-direction: column; align-items: center; gap: 14px;
            background: var(--cream); border: 4px solid var(--coral);
            border-radius: 22px; padding: 26px 26px; text-align: center; color: var(--brown);
            box-shadow: 0 10px 0 rgba(0,0,0,0.22), 0 0 50px rgba(255,107,107,0.45);
        }
        #gameover-overlay h2 { color: var(--coral); font-size: 1.9em; margin: 0; text-shadow: 0 2px 0 rgba(255,255,255,0.55); }
        #gameover-overlay .stat { color: var(--brown-soft); font-size: 0.95em; margin: 3px 0; }
        #gameover-overlay .stat strong { color: var(--orange-deep); }
        #gameover-overlay #go-newrecord { color: var(--amber); font-weight: bold; text-shadow: 0 2px 0 rgba(0,0,0,0.15); font-size: 1.1em; }
        #gameover-overlay button {
            padding: 13px 34px; font-size: 1.05em; border: 3px solid var(--brown);
            border-radius: 26px; cursor: pointer; background: linear-gradient(180deg, var(--amber), var(--orange));
            color: #fff; font-weight: bold; letter-spacing: 0.04em; transition: all 0.15s;
            box-shadow: 0 5px 0 #a86a10;
        }
        #gameover-overlay button:hover { transform: translateY(-2px); box-shadow: 0 7px 0 #a86a10; }
        #gameover-overlay button:active { transform: translateY(3px); box-shadow: 0 1px 0 #a86a10; }
        #gameover-overlay .go-btns { display: flex; gap: 10px; }
        #gameover-overlay #menu-btn { background: transparent; color: var(--brown-soft); box-shadow: none; border-color: var(--line); }
        #gameover-overlay #menu-btn:hover { color: var(--brown); border-color: var(--orange-deep); background: var(--cream-2); }

        /* ===== 主菜单 ===== */
        #menu-overlay {
            position: absolute; inset: 0; z-index: 40;
            display: none; align-items: center; justify-content: center;
            background: rgba(43,26,18,0.72);
            backdrop-filter: blur(3px); -webkit-backdrop-filter: blur(3px);
        }
        .menu-box {
            background: var(--cream); border: 5px solid var(--orange-deep);
            border-radius: 26px; padding: 26px 30px; text-align: center;
            box-shadow: 0 12px 0 rgba(0,0,0,0.25), 0 0 60px rgba(255,140,60,0.5);
            width: min(480px, 92vw); max-height: 92vh; overflow-y: auto;
        }
        .menu-logo { font-size: 34px; font-weight: bold; color: var(--orange-deep); letter-spacing: 0.06em; text-shadow: 0 2px 0 rgba(255,255,255,0.6); }
        .menu-sub { font-size: 13px; color: var(--brown-soft); margin-bottom: 14px; }
        .menu-sec { margin-bottom: 12px; }
        .menu-label { font-size: 13px; font-weight: bold; color: var(--brown); margin-bottom: 6px; }
        .menu-row { display: flex; gap: 8px; flex-wrap: wrap; justify-content: center; }
        .menu-row button {
            background: var(--cream-2); border: 2px solid var(--line); color: var(--brown);
            border-radius: 12px; padding: 7px 14px; font-size: 13px; font-weight: bold;
            cursor: pointer; transition: all 0.15s; box-shadow: 0 3px 0 rgba(0,0,0,0.15);
        }
        .menu-row button:hover { border-color: var(--orange); transform: translateY(-1px); }
        .menu-row button.active { background: var(--orange); border-color: var(--orange-deep); color: #fff; box-shadow: 0 3px 0 rgba(160,80,10,0.5); }
        .menu-row button .w-ico { display: block; font-size: 20px; line-height: 1; margin-bottom: 3px; }
        .menu-row button .w-ico svg { width: 22px; height: 22px; }
        .menu-best { color: var(--brown-soft); font-size: 13px; margin: 4px 0 12px; }
        .menu-start {
            display: block; width: 100%; padding: 14px 0; font-size: 20px; font-weight: bold;
            border: 3px solid var(--brown); border-radius: 18px; cursor: pointer;
            background: linear-gradient(180deg, var(--amber), var(--orange)); color: #fff;
            letter-spacing: 0.08em; box-shadow: 0 6px 0 #a86a10; transition: all 0.15s;
        }
        .menu-start:hover { transform: translateY(-2px); box-shadow: 0 8px 0 #a86a10; }
        .menu-start:active { transform: translateY(3px); box-shadow: 0 1px 0 #a86a10; }
        .menu-hint { margin-top: 12px; font-size: 12px; color: var(--brown-soft); }
        .menu-meta-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; width: 100%; margin: 8px 0; }
        .menu-shards { color: var(--orange-deep); font-weight: bold; font-size: 14px; }
        .menu-meta-btn {
            padding: 6px 14px; border-radius: 12px; border: 2px solid var(--orange);
            background: var(--cream-2); color: var(--brown); font-size: 13px; font-weight: bold;
            cursor: pointer; transition: all 0.15s; box-shadow: 0 3px 0 rgba(0,0,0,0.15);
        }
        .menu-meta-btn:hover { border-color: var(--orange-deep); transform: translateY(-1px); }

        /* ===== 灵魂宝库（与全局奶油橙风格统一） ===== */
        #meta-panel {
            position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
            display: none; pointer-events: all; z-index: 100;
        }
        #meta-panel .meta-box {
            background: var(--cream); border: 4px solid var(--orange-deep);
            border-radius: 22px; padding: 20px 22px;
            box-shadow: 0 10px 0 rgba(0,0,0,0.22), 0 0 50px rgba(255,140,60,0.45);
            width: min(440px, 92vw); max-width: 92vw; max-height: 86vh; overflow-y: auto;
            text-align: center;
        }
        #meta-panel h2 {
            color: var(--orange-deep); font-size: 1.5em; margin: 0 0 6px;
            letter-spacing: 0.05em; text-shadow: 0 2px 0 rgba(255,255,255,0.55);
            display: flex; align-items: center; justify-content: center; gap: 8px;
        }
        .meta-shards {
            display: inline-block; background: var(--cream-2); color: var(--orange-deep);
            font-weight: bold; font-size: 13px; padding: 4px 14px; border-radius: 14px;
            border: 2px solid var(--orange); margin-bottom: 12px;
        }
        .meta-list { display: flex; flex-direction: column; gap: 10px; width: 100%; }
        .meta-item {
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
            padding: 12px 14px; border-radius: 16px; text-align: left;
            background: linear-gradient(160deg, var(--cream-2), #ffe0b0);
            border: 3px solid var(--orange); box-shadow: 0 4px 0 rgba(180,90,20,0.3);
            transition: all 0.15s;
        }
        .meta-item:hover { border-color: var(--orange-deep); }
        .meta-item .mi-info { flex: 1; min-width: 0; }
        .meta-item .mi-name { font-weight: bold; color: var(--brown); font-size: 14px; display: flex; align-items: center; gap: 6px; }
        .meta-item .mi-name .title-ico { margin-right: 0; }
        .meta-item .mi-desc { color: var(--brown-soft); font-size: 12px; margin-top: 3px; line-height: 1.4; }
        .meta-item .mi-lv { display: inline-block; background: var(--orange); color: #fff; font-size: 11px; font-weight: bold; padding: 2px 10px; border-radius: 10px; margin-top: 6px; box-shadow: 0 2px 0 rgba(0,0,0,0.15); }
        .meta-item button {
            flex: 0 0 auto; padding: 8px 18px; border-radius: 14px; font-size: 13px; font-weight: bold;
            border: 3px solid var(--brown); color: #fff; cursor: pointer; transition: all 0.15s;
            background: linear-gradient(180deg, var(--amber), var(--orange)); box-shadow: 0 4px 0 #a86a10;
        }
        .meta-item button:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 0 #a86a10; }
        .meta-item button:active:not(:disabled) { transform: translateY(2px); box-shadow: 0 1px 0 #a86a10; }
        .meta-item button:disabled { opacity: 0.45; cursor: not-allowed; }
        .meta-btns { margin-top: 14px; display: flex; justify-content: center; gap: 10px; }
        .meta-btns button {
            padding: 10px 30px; font-size: 15px; border: 3px solid var(--brown);
            border-radius: 22px; cursor: pointer; background: linear-gradient(180deg, var(--amber), var(--orange));
            color: #fff; font-weight: bold; transition: all 0.15s; box-shadow: 0 5px 0 #a86a10;
        }
        .meta-btns button:hover { transform: translateY(-2px); box-shadow: 0 7px 0 #a86a10; }
        .meta-btns button:active { transform: translateY(3px); box-shadow: 0 1px 0 #a86a10; }
        /* ===== 开源图标 (Lucide, ISC License) ===== */
        .title-ico { display: inline-flex; vertical-align: -3px; margin-right: 6px; }
        .title-ico svg { width: 20px; height: 20px; }
        .btn-ico { display: inline-flex; vertical-align: -3px; margin-right: 6px; }
        .btn-ico svg { width: 16px; height: 16px; }
        .hud-ico { display: inline-flex; vertical-align: -2px; margin-right: 5px; }
        .hud-ico svg { width: 14px; height: 14px; color: var(--amber); }
        #ui-buttons button { display: flex; align-items: center; justify-content: center; }
        #ui-buttons button svg { width: 18px; height: 18px; }

/* ===== 死神之指购买弹窗（与灵魂宝库风格统一） ===== */
#dm-buy-modal {
    position: fixed; top: 50%; left: 50%; transform: translate(-50%, -50%);
    display: none; pointer-events: all; z-index: 120;
}
.dm-modal-box {
    background: var(--cream); border: 4px solid var(--orange-deep);
    border-radius: 22px; padding: 20px 24px;
    box-shadow: 0 10px 0 rgba(0,0,0,0.22), 0 0 50px rgba(255,60,60,0.4);
    width: min(440px, 92vw); max-width: 92vw; max-height: 86vh; overflow-y: auto;
    text-align: center;
}
.dm-modal-title {
    color: #c0392b; font-size: 1.5em; margin: 0 0 8px; font-weight: bold;
    letter-spacing: 0.05em; text-shadow: 0 2px 0 rgba(255,255,255,0.55);
    display: flex; align-items: center; justify-content: center; gap: 8px;
}
.dm-modal-desc { color: var(--brown); font-size: 13px; line-height: 1.6; margin-bottom: 12px; }
.dm-modal-modes { display: flex; flex-direction: column; gap: 8px; margin-bottom: 10px; }
.dm-mode {
    border-radius: 14px; padding: 10px 14px; text-align: left;
    border: 3px solid var(--orange); box-shadow: 0 3px 0 rgba(180,90,20,0.25);
}
.dm-mode-manual { background: linear-gradient(160deg, var(--cream-2), #ffe0b0); }
.dm-mode-auto { background: linear-gradient(160deg, #f3e2f5, #e6c9ee); border-color: #b06aff; box-shadow: 0 3px 0 rgba(120,60,190,0.25); }
.dm-mode-name { font-weight: bold; color: var(--brown); font-size: 14px; margin-bottom: 3px; }
.dm-mode-auto .dm-mode-name { color: #5a2a7a; }
.dm-mode-desc { color: var(--brown-soft); font-size: 12px; line-height: 1.5; }
.dm-mode-note { color: #c0392b; font-size: 12px; line-height: 1.5; margin-top: 4px; font-weight: bold; }
.dm-mode-auto .dm-mode-note { color: #8a4bd8; }
.dm-modal-foot { color: var(--brown-soft); font-size: 12px; margin-bottom: 14px; line-height: 1.5; }
.dm-modal-warn {
    color: #c0392b; font-size: 12px; font-weight: bold; line-height: 1.6; margin-bottom: 14px;
    background: rgba(255,60,60,0.08); border: 2px solid rgba(214,48,49,0.4);
    border-radius: 10px; padding: 8px 10px;
}
.dm-modal-btns { display: flex; justify-content: center; gap: 10px; }
.dm-modal-btns button {
    padding: 10px 22px; font-size: 14px; border: 3px solid var(--brown);
    border-radius: 22px; cursor: pointer; font-weight: bold; transition: all 0.15s;
    box-shadow: 0 5px 0 rgba(0,0,0,0.25);
}
.dm-btn-cancel { background: linear-gradient(180deg, #e8e0d8, #c8bdb2); color: var(--brown); }
.dm-btn-confirm { background: linear-gradient(180deg, #ff8a5c, #d63031); color: #fff; }
.dm-modal-btns button:hover { transform: translateY(-2px); box-shadow: 0 7px 0 rgba(0,0,0,0.25); }
.dm-modal-btns button:active { transform: translateY(3px); box-shadow: 0 1px 0 rgba(0,0,0,0.25); }

/* ===== 暂停面板：返回主菜单按钮 ===== */
.pause-btn {
    margin-top: 14px; padding: 8px 22px; font-size: 14px; font-weight: bold;
    border: 3px solid var(--brown); border-radius: 16px; cursor: pointer;
    background: linear-gradient(180deg, var(--amber), var(--orange)); color: #fff;
    box-shadow: 0 4px 0 #a86a10; transition: all 0.15s;
}
.pause-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 #a86a10; }
.pause-btn:active { transform: translateY(2px); box-shadow: 0 1px 0 #a86a10; }