img.footer-animal {
                position: absolute;
                top: -90px; /* 用户指定 */
                left: 50%;
                transform: translateX(-50%);
                height: 130px;
                width: auto;
                max-width: 1200px; /* PC 最大宽度上限 */
                z-index: 999; /* 最上层显示 */
                filter: drop-shadow(0 6px 14px rgba(0,0,0,0.25));
            }
            /* 真手机/触屏(粗指针):小尺寸自适应,超小屏下移一点消除间隔 */
            @media (max-width: 768px) and (pointer: coarse) {
                img.footer-animal {
                    top: -28px;
                    height: auto;
                    width: min(92vw, 420px);
                    max-width: none;
                }
            }