/* ========== 私人定制页 — 导航扩展下拉（Nav Dropdown Helpers） ========== */
.pull-down.grid-3 {
  display: none;
  grid-template-columns: repeat(3, 1fr);
  gap: 0 8px;
  min-width: 480px;
}
.drop-down:hover > .pull-down.grid-3,
.drop-down.open > .pull-down.grid-3 {
  display: grid;
}
.pull-down .nav-group-title {
  display: block;
  padding: 8px 14px 4px;
  font-size: 13px;
  font-weight: 700;
  color: #888;
  pointer-events: none;
}

/* ========== Hero 英雄区 ========== */
.contact-box {
  position: relative;
  background: url('https://data.tibetcn.com/image/Contact-Us-bg2.jpg') center center / cover no-repeat;
  padding: 60px 20px 50px;
  text-align: center;
  color: #fff;
}
.contact-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  pointer-events: none;
}
.contact-box .container {
  position: relative;
  z-index: 1;
  max-width: 960px;
  margin: 0 auto;
}
.contact-box h1 {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: 20px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}
.contact-box .hero-intro {
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 12px;
  text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}
.contact-box .hero-intro:last-of-type {
  margin-bottom: 28px;
}

/* ========== 数据统计胶囊（Stats Pill） ========== */
.numbox-wrap {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
}
.numbox {
  display: inline-block;
  background: #fff;
  color: #212121;
  border-radius: 50px;
  padding: 12px 30px;
  font-size: 16px;
  text-shadow: none;
  max-width: 100%;
  line-height: 1.55;
}
.numbox b {
  padding: 0 4px;
  font-size: 24px;
  font-weight: 700;
  color: #f78600;
}

/* ========== 表单卡片（Form Card） ========== */
.custom-form-section {
  padding: 40px 20px 60px;
  background: #f5f5f5;
}
.custom-form-card {
  max-width: 960px;
  margin: 0 auto;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  padding: 36px 40px 40px;
}
.form-section-title {
  font-size: 20px;
  font-weight: 700;
  color: #333;
  margin: 0 0 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid #f78600;
}
.form-section-title:not(:first-child) {
  margin-top: 32px;
}
.mudidi-title {
  font-size: 16px;
  font-weight: 600;
  color: #444;
  margin: 18px 0 14px;
}

/* ========== 目的地网格（Destination Grid） ========== */
.dest-grid {
  display: grid;
  gap: 14px;
  margin-bottom: 8px;
}
.dest-grid.china {
  grid-template-columns: repeat(5, 1fr);
}
.dest-grid.countries {
  grid-template-columns: repeat(4, 1fr);
}
.dest-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  border: 2px solid transparent;
  transition: border-color 0.2s, box-shadow 0.2s, transform 0.2s;
}
.dest-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.12);
}
.dest-card.checked {
  border-color: #f78600;
  box-shadow: 0 0 0 2px rgba(247, 134, 0, 0.25);
}
.dest-card img {
  display: block;
  width: 100%;
  height: 100px;
  object-fit: cover;
}
.dest-card .dest-label {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 10px;
  background: #fafafa;
  font-size: 13px;
  color: #333;
}
.dest-card .dest-label input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  accent-color: #f78600;
  cursor: pointer;
}
.dest-card.checked .dest-label {
  background: #fff8f0;
  color: #f78600;
  font-weight: 600;
}

/* ========== 其他目的地（Other Destinations） ========== */
.other-dest-row {
  margin-top: 16px;
}
.other-dest-row label {
  display: block;
  font-size: 14px;
  color: #555;
  margin-bottom: 8px;
}

/* ========== 表单字段（Form Fields） ========== */
.custom-form-card label.field-label {
  display: block;
  font-size: 14px;
  color: #333;
  margin-bottom: 6px;
}
.custom-form-card label.field-label .req {
  color: #f78600;
  margin-left: 2px;
}
.form-row {
  margin-bottom: 18px;
}
.custom-form-card input[type="text"],
.custom-form-card input[type="email"],
.custom-form-card select,
.custom-form-card textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  color: #333;
  background: #fff;
  transition: border-color 0.2s;
  box-sizing: border-box;
}
.custom-form-card input:focus,
.custom-form-card select:focus,
.custom-form-card textarea:focus {
  outline: none;
  border-color: #f78600;
}
.custom-form-card textarea {
  min-height: 120px;
  resize: vertical;
}
.formerror {
  display: none;
  color: #f78600;
  font-size: 13px;
  margin-top: 6px;
}
.formerror.visible {
  display: block;
}

/* ========== 提交按钮（Submit Button） ========== */
.submit-wrap {
  text-align: center;
  margin-top: 28px;
}
#submitBtn {
  display: inline-block;
  min-width: 200px;
  padding: 14px 40px;
  background: #f78600;
  color: #fff;
  border: none;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
}
#submitBtn:hover {
  background: linear-gradient(135deg, #f78600 0%, #e06a00 100%);
  transform: translateY(-1px);
}
#submitBtn:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
#submitLoading {
  display: none;
  margin-left: 12px;
  font-size: 14px;
  color: #888;
}
#submitLoading.visible {
  display: inline;
}

/* ========== 响应式（Responsive） ========== */
@media (max-width: 999px) {
  .contact-box h1 {
    font-size: 28px;
  }
  .dest-grid.china {
    grid-template-columns: repeat(3, 1fr);
  }
  .dest-grid.countries {
    grid-template-columns: repeat(2, 1fr);
  }
  .custom-form-card {
    padding: 28px 24px 32px;
  }
  .pull-down.grid-3 {
    min-width: 280px;
    grid-template-columns: 1fr;
  }
}

@media (max-width: 799px) {
  .contact-box {
    padding: 40px 16px 36px;
  }
  .contact-box h1 {
    font-size: 24px;
  }
  .contact-box .hero-intro {
    font-size: 14px;
  }
  .numbox-wrap {
    flex-direction: column;
    align-items: center;
  }
  .numbox {
    width: 100%;
    max-width: 320px;
    justify-content: center;
  }
  .dest-grid.china,
  .dest-grid.countries {
    grid-template-columns: repeat(2, 1fr);
  }
  .dest-card img {
    height: 80px;
  }
  .custom-form-card {
    padding: 20px 16px 28px;
    border-radius: 8px;
  }
  .form-section-title {
    font-size: 18px;
  }
}