/* 联系我们页专用样式 */

.contact-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: start;
}

/* ---- 联系卡片 ---- */
.contact-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-card {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 24px 24px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
  transition: 0.3s ease;
}

.contact-card:hover {
  box-shadow: 0 6px 24px rgba(0,0,0,0.1);
  transform: translateY(-3px);
}

.contact-card-main {
  background: linear-gradient(135deg, #0f172a 0%, #1a3a6b 100%);
  border-color: transparent;
  padding: 32px 24px;
}

.contact-card-icon { font-size: 2rem; margin-bottom: 12px; }

.contact-card-label {
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: #94a3b8;
  margin-bottom: 8px;
}

.contact-card-main .contact-card-label { color: rgba(249,115,22,0.8); }

.contact-card-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 4px;
}

.contact-card-main .contact-card-value { color: #fff; }

.contact-card-note {
  font-size: 0.82rem;
  color: #94a3b8;
}

.contact-card-main .contact-card-note { color: rgba(255,255,255,0.5); }

/* ---- 表单 ---- */
.contact-form-wrap {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 40px;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.contact-form-header {
  margin-bottom: 32px;
}

.contact-form-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 8px;
}

.contact-form-header p {
  font-size: 0.9rem;
  color: #64748b;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 700;
  color: #374151;
  margin-bottom: 8px;
}

.required { color: #f97316; }

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid #e2e8f0;
  border-radius: 8px;
  font-size: 0.95rem;
  font-family: inherit;
  color: #1e293b;
  background: #fafafa;
  transition: 0.25s ease;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #2563eb;
  background: #fff;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #94a3b8;
  font-size: 0.9rem;
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-group select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}

.btn-submit {
  width: 100%;
  padding: 16px;
  font-size: 1.05rem;
  border-radius: 10px;
  margin-top: 8px;
  letter-spacing: 0.5px;
}

.btn-submit:hover { transform: translateY(-2px); }

.form-note {
  margin-top: 14px;
  text-align: center;
  color: #94a3b8;
  font-size: 0.82rem;
}

/* ---- 表单状态 ---- */
.contact-form { transition: opacity 0.3s ease; }
.contact-form.hidden { display: none; }

.form-success {
  text-align: center;
  padding: 48px 24px;
  display: none;
}

.form-success.show { display: block; }

.success-icon {
  font-size: 4rem;
  margin-bottom: 20px;
  animation: successPop 0.5s ease-out;
}

@keyframes successPop {
  0%   { transform: scale(0.5); opacity: 0; }
  70%  { transform: scale(1.1); }
  100% { transform: scale(1); opacity: 1; }
}

.form-success h3 {
  font-size: 1.4rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 12px;
}

.form-success p {
  font-size: 0.95rem;
  color: #64748b;
  line-height: 1.7;
}

/* ---- 提示区块 ---- */
.tips-section { background: #f8fafc; padding: 64px 0; }

.tips-box {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  padding: 40px 48px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.tips-box h2 {
  font-size: 1.3rem;
  font-weight: 800;
  color: #0f172a;
  margin-bottom: 24px;
}

.tips-grid {
  display: grid;
  grid-template-columns: auto 1fr 1fr;
  gap: 12px 24px;
  margin-bottom: 20px;
  align-items: center;
}

.tip-item {
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
}

.tip-item:first-child { grid-column: 1 / -1; }

.tips-note {
  font-size: 0.88rem;
  color: #94a3b8;
  border-top: 1px solid #f1f5f9;
  padding-top: 16px;
  margin-top: 4px;
}

/* ---- 响应式 ---- */
@media (max-width: 960px) {
  .contact-grid { grid-template-columns: 1fr; }
  .contact-cards { display: grid; grid-template-columns: 1fr 1fr; }
  .contact-card-main { grid-column: 1 / -1; }
}

@media (max-width: 600px) {
  .contact-cards { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 24px 20px; }
  .tips-box { padding: 28px 20px; }
  .tips-grid { grid-template-columns: 1fr; }
}