/* 外层容器 - 用于二维码定位 */
        .share-wrapper {
            position: relative;
            display: inline-block;
        }
        /* 分享主容器 - Flex实现水平对齐 */
        .share-container {
            display: flex;
            align-items: center; /* 垂直居中 */
            gap: 15px; /* 元素间距 */
            padding: 0px 30px;
        }
        /* 分享标题 */
        .share-title {
            font-size: 14px;
            color: #999;
            font-weight: 500;
            white-space: nowrap;
        }
        /* 分享按钮基础样式 */
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.25s ease;
            border: none;
            font-size: 22px;
            outline: none;
            position: relative; /* 用于悬浮提示定位 */
        }
        /* 各平台按钮样式 */
        .wechat-btn {
            background: linear-gradient(135deg, #09d368, #07c160);
            box-shadow: 0 2px 8px rgba(7, 193, 96, 0.3);
        }
        .weibo-btn {
            background: linear-gradient(135deg, #f02038, #e6162d);
            box-shadow: 0 2px 8px rgba(230, 22, 45, 0.3);
        }
        .qzone-btn {
            background: linear-gradient(135deg, #ffd800, #ffce00);
            box-shadow: 0 2px 8px rgba(255, 206, 0, 0.3);
        }
        /* 按钮悬浮效果 */
        .share-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
        }
        /* 按钮悬浮提示词 */
        .btn-tooltip {
            position: absolute;
            bottom: -30px;
            left: 50%;
            transform: translateX(-50%);
            background: rgba(0, 0, 0, 0.75);
            color: #fff;
            font-size: 12px;
            padding: 4px 8px;
            border-radius: 4px;
            white-space: nowrap;
            display: none;
            z-index: 999;
            pointer-events: none; /* 避免提示词遮挡点击 */
        }
        /* 显示悬浮提示 */
        .share-btn:hover .btn-tooltip {
            display: block;
            animation: tooltipFade 0.2s ease;
        }
        @keyframes tooltipFade {
            from { opacity: 0; bottom: -25px; }
            to { opacity: 1; bottom: -30px; }
        }
        /* 微信二维码弹窗 - 固定150×150px */
        .wechat-qrcode {
            position: absolute;
            top: calc(100% + 15px);
            left: 50%;
            transform: translateX(-50%);
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 6px 25px rgba(0, 0, 0, 0.1);
            display: none;
            z-index: 9999;
            text-align: center;
        }
        /* 二维码描述 */
        .qrcode-desc {
            font-size: 14px;
            color: #666;
            margin-bottom: 10px;
        }
        /* 二维码容器 - 强制150×150px */
        #qrcode-box {
            width: 150px !important;
            height: 150px !important;
        }
        /* 二维码显示状态 */
        .wechat-qrcode.show {
            display: block;
            animation: fadeIn 0.3s ease;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateX(-50%) translateY(10px); }
            to { opacity: 1; transform: translateX(-50%) translateY(0); }
        }