       #world-time-widget {
            display: flex;
            justify-content: space-between;
            padding: 20px;
            border-radius: 8px;
        }

        .time-container {
            display: flex;
            justify-content: space-between;
            width: 100%;
        }

        .clock-wrapper {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center; /* 使文本居中对齐 */
        }

        .clock {
            position: relative;
            width: 120px;
            height: 120px;
            border: 3px solid #333;
            border-radius: 50%;
            margin: 10px 0; /* 调整为上下边距 */
            background: #fff;
        }

        /* 时钟中心点 - 黑色外圈 */
        .clock::after {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 10px;
            height: 10px;
            background: #333;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            z-index: 10;
            box-shadow: 0 0 3px rgba(0, 0, 0, 0.3);
        }

        /* 时钟中心点 - 红色内圆（代表秒针中心） */
        .clock::before {
            content: '';
            position: absolute;
            left: 50%;
            top: 50%;
            width: 5px;
            height: 5px;
            background: #cc0000;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            z-index: 11;
            box-shadow: 0 0 3px rgba(204, 0, 0, 0.6);
        }

        .hand {
            position: absolute;
            left: 50%;
            top: 50%;
            transform-origin: center bottom;
            transform: translate(-50%, -100%) rotate(90deg);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 2px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
        }

        .hour-hand {
            width: 5px;
            height: 32px;
            background: linear-gradient(to top, #1a1a1a, #333);
            border-radius: 3px 3px 0 0;
            z-index: 3;
        }

        .minute-hand {
            width: 3.5px;
            height: 42px;
            background: linear-gradient(to top, #2a2a2a, #444);
            border-radius: 2px 2px 0 0;
            z-index: 2;
        }

        .second-hand {
            width: 1.5px;
            height: 48px;
            background: linear-gradient(to top, #ff4444, #cc0000);
            border-radius: 1px 1px 0 0;
            z-index: 1;
            box-shadow: 0 0 2px rgba(255, 68, 68, 0.5);
        }

        .time-info-container {
            margin-top: 10px;
        }

        .time-digital {
            font-size: 16px;
            margin-top: 5px;
        }

        /* 城市选择沿用主题 .dropdown，只限制在侧栏列宽内，避免菜单溢出 */
        #world-time-widget .clock-wrapper {
            flex: 1 1 0;
            min-width: 0;
            max-width: 50%;
        }

        #world-time-widget .time-info-container {
            width: 100%;
            max-width: 100%;
        }

        #world-time-widget .time-zone-dropdown {
            position: relative;
            width: 100%;
            max-width: 100%;
        }

        #world-time-widget .time-zone-dropdown > .btn,
        #world-time-widget .time-zone-dropdown > .btn:hover,
        #world-time-widget .time-zone-dropdown > .btn:focus,
        #world-time-widget .time-zone-dropdown > .btn:active,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:hover,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:focus,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:active {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 100%;
            max-width: 100%;
            margin-top: 5px;
            white-space: nowrap;
            background: transparent;
            background-color: transparent;
            border-color: transparent;
            box-shadow: none;
            --this-bg: transparent;
            --this-hover-bg: transparent;
            --this-border: transparent;
            --this-shadow: none;
        }

        #world-time-widget .time-zone-dropdown .select-item {
            overflow: hidden;
            text-overflow: ellipsis;
        }

        #world-time-widget .time-zone-dropdown .dropdown-menu {
            left: 0;
            right: auto;
            width: 100%;
            min-width: 100%;
            max-width: 100%;
            max-height: 240px;
            overflow-x: hidden;
            overflow-y: auto;
        }

        /* 仅世界时钟：Bootstrap 给 .dropdown 加 .show 时箭头转 180 度，收起保持原角度 */
        #world-time-widget .time-zone-dropdown.show > .btn > i {
            transform: rotate(180deg);
        }

        /* 深色模式：文字跟主题色，白表盘改为弱背景；下拉菜单和箭头角度不动 */
        .io-black-mode #world-time-widget,
        .io-black-mode #world-time-widget .time-digital,
        .io-black-mode #world-time-widget .date-display,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:hover,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:focus,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn:active,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn .select-item,
        .io-black-mode #world-time-widget .time-zone-dropdown > .btn i {
            color: var(--main-color);
        }

        .io-black-mode #world-time-widget .clock {
            background: var(--muted-bg-color);
            border-color: var(--main-color);
        }

        .io-black-mode #world-time-widget .clock::after,
        .io-black-mode #world-time-widget .hour-hand,
        .io-black-mode #world-time-widget .minute-hand {
            background: var(--main-color);
        }

        /* 静止态（非悬停、非展开）文字和箭头与侧栏正文同色 */
        #world-time-widget .time-zone-dropdown:not(.show) > .btn:not(:hover):not(:focus):not(:active),
        #world-time-widget .time-zone-dropdown:not(.show) > .btn:not(:hover):not(:focus):not(:active) .select-item,
        #world-time-widget .time-zone-dropdown:not(.show) > .btn:not(:hover):not(:focus):not(:active) > i {
            color: var(--main-color);
            opacity: 1;
        }
