.announcement-content img{max-width:100%;height:auto;object-fit:contain;margin:10px 0}.back-to-top.s-0_d0cV09KJKa{position:fixed;bottom:10px;right:10px;z-index:1050;width:40px;height:40px;border:none;border-radius:50%;background-color:#7168b7;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #00000040;transition:background-color .2s ease,transform .2s ease}.back-to-top.s-0_d0cV09KJKa:hover{background-color:#6020d0;transform:translateY(-2px)}.back-to-top.s-0_d0cV09KJKa:active{transform:translateY(0)}