.section-head.center{
  text-align:center;
  display:flex;
  justify-content:center;
}

.section-head.center > div{
  max-width:700px;
}
.submit-btn{
  width:100%;
  display:flex;
  justify-content:center;
  align-items:center;
  margin-top:12px;
  min-height:52px;
  border:none;
  border-radius:999px;
  font-size:15px;
  font-weight:800;
  color:#08233a;
  background:linear-gradient(135deg,#9ff3ff,#bdf6ef);
  box-shadow:0 10px 26px rgba(140,235,255,.20);
}


.footer-card {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 20px;

  /* 🔥 關鍵在這 */
  width: 100%;
  max-width: 1200px;
  margin: 30px auto;

  border-radius: 20px;

  background: rgba(255,255,255,0.05);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.1);

  color: #fff;
}

.footer-left h3 {
  margin: 0 0 6px;
  font-size: 18px;
}

.footer-left p {
  font-size: 13px;
  opacity: 0.7;
  margin-bottom: 12px;
}

.social-icons {
  display: flex;
  gap: 10px;
}

.social-icons a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;

  background: rgba(255,255,255,0.08);
  color: #fff;
  font-size: 15px;

  transition: 0.3s;
}

.social-icons a:hover {
  background: #4fd1c5;
  color: #000;
}

.cta-btn {
  padding: 12px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #4fd1c5, #2c7be5);
  color: #fff;
  text-decoration: none;
  font-weight: bold;
  white-space: nowrap;

  box-shadow: 0 10px 25px rgba(0,0,0,0.25);
}



.addon-title {
  padding: 12px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  cursor: pointer;
  color: #fff;
}

.addon-title:hover {
  background: rgba(255,255,255,0.15);
}

.line-btn {
  position: fixed;
  right: 16px;
  bottom: 100px;

  padding: 18px 26px;
  font-size: 18px;

  color: #fff;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);

  border-radius: 30px;

  border: 1px solid rgba(255,255,255,0.2); /* 🔥 外框回來 */
  box-shadow: 0 8px 20px rgba(0,0,0,0.4); /* 🔥 立體感 */

  display: flex;
  align-items: center;
  justify-content: center;

  z-index: 9999;
}
/* 避免文字亂掉 */
.line-btn span {
  white-space: nowrap;
}
.line-btn {
  animation: float 2s ease-in-out infinite;
}

@keyframes float {
  0% { transform: translateY(0); }
  50% { transform: translateY(-6px); }
  100% { transform: translateY(0); }
}

.line-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-align: center;
}

.line-text small {
  font-size: 11px;
  opacity: 0.7;
}

.line-text strong {
  font-size: 14px;
}o

body {
  min-width: 1200px;
}