.whatsapp-float{
position:fixed;
bottom:24px;
right:24px;
background:#25D366;
color:#fff;
padding:12px 16px;
border-radius:50px;
display:flex;
align-items:center;
gap:8px;
font-size:14px;
font-weight:600;
text-decoration:none;
box-shadow:0 10px 25px rgba(0,0,0,0.25);
z-index:9999;
animation:whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover{
transform:scale(1.05);
}

@keyframes whatsapp-pulse{
0%{box-shadow:0 0 0 0 rgba(37,211,102,0.6);}
70%{box-shadow:0 0 0 12px rgba(37,211,102,0);}
100%{box-shadow:0 0 0 0 rgba(37,211,102,0);}
}

/* 对应 .pro-intro */
.pro-intro {
  display: flex;
  border-bottom: 1px solid #f9fafb; /* gray-50 */
  padding-bottom: 0.75rem;          /* pb-3 (12px) */
}

/* 对应 .pro-intro-label */
.pro-intro-label {
  width: 6rem;                      /* w-24 (96px) */
  flex-shrink: 0;
  font-weight: 700;                 /* font-bold */
}

/* 对应 lg:w-32 (大屏幕适配) */
@media (min-width: 1024px) {
  .pro-intro-label {
    width: 8rem;                    /* w-32 (128px) */
  }
}