body.body-bg {
  /* 附圖色系漸層背景 */
  background: linear-gradient(120deg, #E0F2F7 0%, #004080 100%);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

body.body-bg::before {
  /* 色系圓形粒子動畫 */
  content: "";
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at 20% 30%, #00408055 0%, transparent 40%),
              radial-gradient(circle at 80% 60%, #E0F2F744 0%, transparent 50%);
  animation: cellmove 16s linear infinite alternate;
  opacity: 0.45;
}

@keyframes cellmove {
  0% { background-position: 20% 30%, 80% 60%; }
  100% { background-position: 25% 35%, 75% 65%; }
}

.reg-zone {
  background: rgba(224,242,247,0.85);
  border-radius: 24px;
  padding: 2.5rem 2rem;
  margin-top: 2.5rem;
  position: relative;
  z-index: 1;
  border: 1px solid #004080;
}

.reg-hd a {
  color: #004080;
  font-weight: bold;
  letter-spacing: 1px;
  text-shadow: 0 2px 8px #E0F2F7, 0 1px 0 #fff;
  font-size: 2rem;
  border-bottom: 2px solid #E0F2F7;
  padding-bottom: 2px;
  transition: color 0.2s;
}

.reg-hd a:hover,
.reg-hd a:focus {
  color: #E0F2F7;
  text-decoration: underline;
}

.ws-holdloc {
  color: #004080;
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 1rem;
  text-shadow: 0 1px 8px #E0F2F744;
}

.heavy-line {
  border-top: 2px solid #004080;
  margin: 1.5rem 0;
}

.form-group label {
  color: #004080;
  font-weight: 500;
  letter-spacing: 0.5px;
}

input.form-control, select.form-control, textarea.form-control {
  border: 1px solid #004080;
  border-radius: 8px;
  background: #E0F2F7;
  transition: box-shadow 0.2s;
}

input.form-control:focus, select.form-control:focus, textarea.form-control:focus {
  box-shadow: 0 0 0 2px #00408033;
  border-color: #004080;
}

.custom-control-input:checked ~ .custom-control-label {
  color: #fff;
  background: #004080;
  border-radius: 6px;
  padding: 2px 8px;
}

.btn-primary, .btn-warning, .btn-secondary {
  border-radius: 8px;
  font-weight: 600;
  letter-spacing: 1px;
  transition: background 0.2s;
}

.btn-primary {
  background: #004080;
  border: none;
  color: #fff;
}

.btn-warning {
  background: #E0F2F7;
  border: none;
  color: #004080;
}

.btn-secondary {
  background: #004080;
  border: none;
  color: #fff;
}

.logo {
  font-family: 'Orbitron', 'Segoe UI', Arial, sans-serif;
  font-size: 2.2rem;
  letter-spacing: 2px;
  color: #004080;
  text-shadow: 0 2px 12px #E0F2F7;
}

.tools .btn-link {
  color: #004080;
  font-size: 1.5rem;
}

.camera1 {
  background: #E0F2F7;
  border-radius: 12px;
  padding: 1.5rem 1rem;
}

.prev-form, .reg-form {
  background: #fff;
  border-radius: 12px;
  padding: 1.5rem 1rem;
}

.fill-input {
  padding: 0.5rem 1rem;
  color: #004080;
  font-weight: 500;
  background: #E0F2F7;
}

.fee {
  color: #004080;
  font-size: 1.3rem;
  font-weight: bold;
}

footer#footer {
  background: #004080;
  color: #fff;
  padding: 1.2rem 0;
  border-top: 2px solid #E0F2F7;
  margin-top: 2rem;
  font-size: 1rem;
  letter-spacing: 1px;
}

@media (max-width: 768px) {
  .reg-zone, .camera1, .prev-form, .reg-form {
    padding: 1rem 0.5rem;
    margin-top: 1rem;
  }
  .logo {
    font-size: 1.3rem;
  }
}
  }
}
  }
  .logo {
    font-size: 1.3rem;
  }
}