document.addEventListener("DOMContentLoaded", function () {

  const link = document.createElement("a");
  link.href = "https://wa.me/966594924448";
  link.target = "_blank";
  link.rel = "noopener noreferrer";
  link.innerText = "الشكاوى والاقتراحات";

  link.style.cssText = `
    display: block;
    width: fit-content;
    margin: 20px auto;
    background: #c51168;
    color: #ffffff;
    padding: 12px 24px;
    border: 1px solid #F1A704;
    border-radius: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 600;
    transition: .3s;
  `;

  link.addEventListener("mouseenter", function () {
    this.style.background = "#a10e55";
  });

  link.addEventListener("mouseleave", function () {
    this.style.background = "#c51168";
  });

  const newsletter = document.querySelector(
    ".footer-newsletter, .newsletter, .store-newsletter"
  );

  if (newsletter) {
    newsletter.parentNode.insertBefore(link, newsletter);
  } else {
    const footer = document.querySelector("footer");
    if (footer) {
      footer.prepend(link);
    }
  }

});
<style>
#alsudlan-wa-btn{
position:fixed;
bottom:20px;
right:20px;
width:70px;
height:70px;
background:#25D366;
border-radius:50%;
display:flex;
align-items:center;
justify-content:center;
font-size:38px;
text-decoration:none;
z-index:999999;
animation:pulse 1.8s infinite;
box-shadow:0 10px 25px rgba(37,211,102,.4);
}

#alsudlan-wa-msg{
position:fixed;
bottom:105px;
right:20px;
width:280px;
background:#fff;
padding:15px;
border-radius:15px;
box-shadow:0 10px 30px rgba(0,0,0,.2);
z-index:999998;
animation:popup 7s infinite;
}

#alsudlan-wa-msg h4{
margin:0 0 8px;
color:#7b1024;
font-size:18px;
}

#alsudlan-wa-msg a{
display:inline-block;
background:#7b1024;
color:#fff;
padding:10px 18px;
border-radius:10px;
text-decoration:none;
margin-top:10px;
}

@keyframes pulse{
0%{transform:scale(1)}
50%{transform:scale(1.1)}
100%{transform:scale(1)}
}

@keyframes popup{
0%,20%{opacity:0;transform:translateY(20px)}
30%,80%{opacity:1;transform:translateY(0)}
100%{opacity:0;transform:translateY(20px)}
}
</style>

<div id="alsudlan-wa-msg">
<h4>🚗 لم تجد قطعة الغيار التي تريدها؟</h4>
<div>تواصل معنا وسنساعدك في العثور عليها بأسرع وقت.</div>
<a href="https://wa.me/966541031424?text=السلام عليكم، أبحث عن قطعة غيار">
تواصل معنا
</a>
</div>

<a id="alsudlan-wa-btn"
href="https://wa.me/966541031424?text=السلام عليكم، أبحث عن قطعة غيار">
💬
</a>