* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        /* 电脑端工具容器 */
        .share-tool-pc {
            position: fixed;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 999;
        }

        /* 移动端隐藏 */
        @media (max-width: 768px) {
            .share-tool-pc {
                display: none !important;
            }
        }

        .share-item {
            width: 40px;
            height: 40px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            transition: 0.3s;
        }

        .share-item img {
            width: 24px;
            height: 24px;
        }

        /* 微信二维码样式 */
        .wechat-qrcode-pc {
            position: absolute;
            right: 60px;
            top: 50%;
            transform: translateY(-50%);
            width: 200px;
            height: 200px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            opacity: 0;
            transition: 0.3s;
            pointer-events: none;
        }

        .share-item:hover .wechat-qrcode-pc {
            opacity: 1;
            pointer-events: auto;
        }

        /* 强制二维码尺寸 */
        .wechat-qrcode-pc img {
            width: 100% !important;
            height: 100% !important;
            object-fit: cover;
            border-radius: 6px;
        }