/* ============================================
   Contact Us 页面专属样式
   ============================================ */

/* --- Hero Banner --- */



/* --- 渐变内容区（三列信息） --- */
.contact-section {
  background: linear-gradient(180deg, var(--grad-start) 0%, var(--grad-end) 100%);
  border-radius: 40px 40px 0 0;
  margin-top: -40px;
  position: relative;
  z-index: 2;
  padding: 64px 0;
}

.contact-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

/* --- 面包屑 --- */

/* ============================================
   三列联系信息（无背景，渐变之上）
   ============================================ */
.contact-info-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.contact-info-item { 
  padding: 0 32px;
  position: relative;
}

/* 左上角白色小方块装饰 */
.contact-info-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 14px;
  height: 14px;
  background: var(--white);
  border-radius: 3px;
}

.contact-info-item h3 {
  font-size: 24px;
  font-weight: 700;
  color: var(--base);
  margin-bottom: 12px;
}

.contact-info-item p {
  font-size: 14px;
  color: var(--gray-dark);
  line-height: 1.8;
  margin: 0;
}

.contact-info-item p a {
  color: var(--gray-dark);
  transition: color .2s;
}

.contact-info-item p a:hover {
  color: var(--base);
}

/* ============================================
   表单区域（白色背景）
   ============================================ */
.form-section {
  background: var(--gray-bg);
  padding: 64px 0;
}

.contact-form-card {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 32px;
}

.form-horizontal {
  background: var(--gray-bg);
  border-radius: 14px;
  padding: 48px;
}

.form-horizontal .form-row {
  display: flex;
  align-items: center;
  gap: 20px;
  margin-bottom: 24px;
}

.form-horizontal .form-row label {
  width: 200px;
  flex-shrink: 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--base);
  text-align: left;
}

.form-horizontal .form-row input,
.form-horizontal .form-row textarea {
  flex: 1;
  padding: 12px 16px;
  font-size: 14px;
  font-family: inherit;
  border: 1px solid var(--gray-border);
  border-radius: 8px;
  transition: border-color .2s, box-shadow .2s;
  background: #fff;
}

.form-horizontal .form-row input:focus,
.form-horizontal .form-row textarea:focus {
  outline: none;
  border-color: var(--lime);
  box-shadow: 0 0 0 3px rgba(185, 224, 53, .15);
}

.form-horizontal .form-row textarea {
  resize: vertical;
  min-height: 150px;
}

/* 提示文字 */
.form-notice {
  text-align: center;
  font-size: 13px;
  color: var(--gray-text);
  margin: 24px 0 20px;
  line-height: 1.6;
}

/* 提交按钮 — 全宽、小圆角 */
.btn-submit {
  display: block;
  width: 100%;
  padding: 14px;
  background: var(--lime);
  color: var(--base);
  border: none;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: all .2s;
  font-family: inherit;
  text-align: center;
}

.btn-submit:hover {
  background: #c8f020;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(185, 224, 53, .4);
}