/* ===== 联系我们页面专属样式 ===== */
.page-contact {
  --contact-card-radius: 12px;
  --contact-spacing: 2rem;
  --contact-inset: 1.5rem;
  --contact-max-width: 1200px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-hero {
  max-width: var(--contact-max-width);
  margin: 0 auto;
  padding: 1rem var(--contact-inset) 0;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-secondary, #4A5568);
  letter-spacing: 0.02em;
}

.page-contact .breadcrumb a {
  color: var(--color-accent, #FF6B35);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--color-accent-light, #FF9A66);
  outline: none;
  text-decoration: underline;
}

.page-contact .breadcrumb-sep {
  color: var(--color-neutral-dark, #2D3748);
  font-weight: 300;
  margin: 0 0.125rem;
}

.page-contact .breadcrumb [aria-current="page"] {
  color: var(--color-text-secondary, #4A5568);
  font-weight: 400;
}

/* ---------- 主网格 ---------- */
.page-contact .contact-grid {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: var(--contact-max-width);
  margin: 0 auto;
  padding: 1.5rem var(--contact-inset) 2rem;
}

/* ===== 左侧：联系方式 ===== */
.page-contact .contact-info-area {
  position: relative;
  overflow: hidden;
  background-color: var(--color-primary, #0B1D3A);
  color: var(--color-white, #FFFFFF);
  padding: 2rem var(--contact-inset) 3rem;
  border-radius: var(--contact-card-radius);
  z-index: 1;
  min-height: 380px;
}

.page-contact .contact-page-title {
  font-size: 1.75rem;
  font-weight: var(--heading-weight, 700);
  line-height: 1.2;
  margin: 0 0 0.25rem;
  color: var(--color-white, #FFFFFF);
  letter-spacing: -0.01em;
}

.page-contact .contact-section-title {
  font-size: 1rem;
  font-weight: 500;
  margin: 0 0 1.5rem;
  color: var(--color-accent-light, #FF9A66);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  position: relative;
  display: inline-block;
}

.page-contact .contact-section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent, #FF6B35);
  border-radius: 2px;
}

/* 联系列表 */
.page-contact .contact-details {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin: 0 0 1.75rem;
  padding: 0;
}

.page-contact .contact-item {
  display: flex;
  align-items: flex-start;
  gap: 0.875rem;
}

.page-contact .contact-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--color-accent-light, #FF9A66);
  min-width: 4.5rem;
  margin: 0;
}

.page-contact .contact-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* 纯CSS图标 — 邮箱 */
.page-contact .contact-icon--mail::before {
  content: '';
  display: block;
  width: 18px;
  height: 14px;
  border: 2px solid var(--color-accent-light, #FF9A66);
  border-radius: 2px;
  position: relative;
}

.page-contact .contact-icon--mail::after {
  content: '';
  display: block;
  width: 10px;
  height: 2px;
  background: var(--color-accent-light, #FF9A66);
  position: absolute;
  transform: rotate(40deg);
  margin-top: -3px;
  margin-left: -3px;
}

/* 纯CSS图标 — 电话 */
.page-contact .contact-icon--phone::before {
  content: '';
  display: block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--color-accent-light, #FF9A66);
  border-radius: 50%;
  position: relative;
}

.page-contact .contact-icon--phone::after {
  content: '';
  display: block;
  width: 6px;
  height: 6px;
  background: var(--color-accent-light, #FF9A66);
  border-radius: 50%;
  position: absolute;
  margin-top: -3px;
  margin-left: -3px;
}

/* 纯CSS图标 — 定位 */
.page-contact .contact-icon--pin::before {
  content: '';
  display: block;
  width: 14px;
  height: 18px;
  border: 2px solid var(--color-accent-light, #FF9A66);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  position: relative;
}

.page-contact .contact-value {
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--color-white, #FFFFFF);
  margin: 0;
  word-break: break-word;
}

.page-contact .contact-link {
  color: var(--color-white, #FFFFFF);
  text-decoration: none;
  transition: color var(--transition-base, 0.25s ease);
}

.page-contact .contact-link:hover,
.page-contact .contact-link:focus-visible {
  color: var(--color-accent-light, #FF9A66);
  outline: none;
  text-decoration: underline;
}

/* 客服说明 */
.page-contact .contact-note {
  font-size: 0.875rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
  padding: 1rem 1.25rem;
  background-color: rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--color-accent, #FF6B35);
  border-radius: 0 6px 6px 0;
  position: relative;
  z-index: 2;
}

.page-contact .contact-note-link {
  color: var(--color-accent-light, #FF9A66);
  text-decoration: underline;
  font-weight: 500;
  transition: color var(--transition-base, 0.25s ease);
}

.page-contact .contact-note-link:hover,
.page-contact .contact-note-link:focus-visible {
  color: var(--color-accent, #FF6B35);
  outline: none;
}

/* 左侧装饰图 */
.page-contact .contact-decor-img {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 65%;
  max-width: 420px;
  height: auto;
  opacity: 0.08;
  pointer-events: none;
  z-index: 0;
  object-fit: contain;
  transform: translateY(8%);
}

/* ===== 右侧：表单区域 ===== */
.page-contact .contact-form-area {
  background-color: var(--color-white, #FFFFFF);
  padding: 2rem var(--contact-inset) 2.5rem;
  border-radius: var(--contact-card-radius);
  margin-top: 1.25rem;
  box-shadow: 0 4px 20px rgba(11, 29, 58, 0.06);
  border: 1px solid var(--color-neutral-light, #E2E8F0);
  position: relative;
  z-index: 1;
}

/* 纸飞机图标 */
.page-contact .form-icon {
  display: block;
  width: 56px;
  height: 56px;
  object-fit: contain;
  margin-bottom: 0.75rem;
  opacity: 0.85;
}

.page-contact .form-section-title {
  font-size: 1.5rem;
  font-weight: var(--heading-weight, 700);
  color: var(--color-primary, #0B1D3A);
  margin: 0 0 1.5rem;
  letter-spacing: -0.01em;
  position: relative;
  display: inline-block;
}

.page-contact .form-section-title::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--color-accent, #FF6B35);
  border-radius: 2px;
}

/* 表单 */
.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.page-contact .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.375rem;
}

.page-contact .form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-primary, #0B1D3A);
  letter-spacing: 0.01em;
}

.page-contact .form-input {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 0.9375rem;
  font-family: var(--font-family, Inter, sans-serif);
  color: var(--color-text-primary, #0B1D3A);
  background-color: var(--color-background, #F0F4F8);
  border: 1.5px solid var(--color-neutral-light, #E2E8F0);
  border-radius: 8px;
  transition: border-color var(--transition-base, 0.25s ease),
              box-shadow var(--transition-base, 0.25s ease);
  box-sizing: border-box;
}

.page-contact .form-input::placeholder {
  color: var(--color-text-secondary, #4A5568);
  opacity: 0.6;
}

.page-contact .form-input:hover {
  border-color: var(--color-accent-light, #FF9A66);
}

.page-contact .form-input:focus {
  outline: none;
  border-color: var(--color-accent, #FF6B35);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.15);
}

.page-contact .form-input:user-invalid {
  border-color: var(--color-error, #F56565);
  box-shadow: 0 0 0 3px rgba(245, 101, 101, 0.12);
}

.page-contact .form-textarea {
  resize: vertical;
  min-height: 100px;
  line-height: 1.6;
}

.page-contact .form-feedback {
  font-size: 0.8125rem;
  color: var(--color-error, #F56565);
  min-height: 0;
  transition: min-height var(--transition-base, 0.25s ease);
}

/* 提交按钮 */
.page-contact .btn-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family, Inter, sans-serif);
  color: var(--color-white, #FFFFFF);
  background-color: var(--color-accent, #FF6B35);
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color var(--transition-base, 0.25s ease),
              transform var(--transition-base, 0.25s ease),
              box-shadow var(--transition-base, 0.25s ease);
  align-self: flex-start;
  letter-spacing: 0.02em;
}

.page-contact .btn-submit:hover {
  background-color: var(--color-accent-light, #FF9A66);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
}

.page-contact .btn-submit:focus-visible {
  outline: 2px solid var(--color-primary, #0B1D3A);
  outline-offset: 2px;
  background-color: var(--color-accent-light, #FF9A66);
}

.page-contact .btn-submit:active {
  transform: translateY(0);
  box-shadow: none;
}

/* ===== 底部信任区 ===== */
.page-contact .contact-extra {
  max-width: var(--contact-max-width);
  margin: 0 auto;
  padding: 1.5rem var(--contact-inset) 3rem;
  text-align: center;
}

.page-contact .contact-trust {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--color-text-secondary, #4A5568);
  max-width: 560px;
  margin: 0 auto 1rem;
}

.page-contact .contact-quick-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
}

.page-contact .quick-link {
  color: var(--color-accent, #FF6B35);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition-base, 0.25s ease);
}

.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  color: var(--color-accent-light, #FF9A66);
  text-decoration: underline;
  outline: none;
}

.page-contact .quick-link-sep {
  color: var(--color-neutral-dark, #2D3748);
  font-weight: 300;
}

/* ===== 桌面端 ≥768px ===== */
@media (min-width: 768px) {
  .page-contact {
    --contact-inset: 2rem;
  }

  .page-contact .contact-hero {
    padding-top: 1.5rem;
  }

  .page-contact .breadcrumb {
    font-size: 0.875rem;
  }

  .page-contact .contact-grid {
    flex-direction: row;
    gap: 1.5rem;
    padding-top: 2rem;
    padding-bottom: 2.5rem;
    align-items: stretch;
  }

  /* 左侧 */
  .page-contact .contact-info-area {
    flex: 1 1 48%;
    padding: 2.5rem 2.25rem 3.5rem;
    min-height: 480px;
    display: flex;
    flex-direction: column;
  }

  .page-contact .contact-page-title {
    font-size: 2.25rem;
  }

  .page-contact .contact-section-title {
    font-size: 1.0625rem;
  }

  .page-contact .contact-details {
    gap: 1.375rem;
    margin-bottom: 2rem;
  }

  .page-contact .contact-label {
    font-size: 0.9375rem;
    min-width: 5rem;
  }

  .page-contact .contact-value {
    font-size: 1rem;
  }

  .page-contact .contact-note {
    font-size: 0.9375rem;
    padding: 1.125rem 1.5rem;
    margin-top: auto;
  }

  .page-contact .contact-decor-img {
    width: 58%;
    max-width: 380px;
    opacity: 0.1;
  }

  /* 右侧 */
  .page-contact .contact-form-area {
    flex: 1 1 48%;
    margin-top: 0;
    padding: 2.5rem 2.25rem 3rem;
    display: flex;
    flex-direction: column;
  }

  .page-contact .form-icon {
    width: 64px;
    height: 64px;
    margin-bottom: 1rem;
  }

  .page-contact .form-section-title {
    font-size: 1.75rem;
  }

  .page-contact .contact-form {
    gap: 1.375rem;
    flex: 1;
  }

  .page-contact .form-input {
    padding: 0.8125rem 1.125rem;
    font-size: 0.9375rem;
  }

  .page-contact .btn-submit {
    padding: 0.9375rem 2.5rem;
    font-size: 1.0625rem;
    margin-top: 0.5rem;
  }

  /* 底部 */
  .page-contact .contact-extra {
    padding-bottom: 4rem;
  }
}

/* ===== 桌面端 ≥1024px ===== */
@media (min-width: 1024px) {
  .page-contact .contact-grid {
    gap: 2rem;
  }

  .page-contact .contact-info-area {
    padding: 3rem 2.75rem 4rem;
  }

  .page-contact .contact-page-title {
    font-size: 2.75rem;
  }

  .page-contact .contact-form-area {
    padding: 3rem 2.75rem 3.5rem;
  }

  .page-contact .form-section-title {
    font-size: 2rem;
  }

  .page-contact .contact-decor-img {
    width: 50%;
    max-width: 340px;
  }
}

/* ===== 桌面端 ≥1280px ===== */
@media (min-width: 1280px) {
  .page-contact .contact-info-area {
    padding: 3.5rem 3rem 4.5rem;
  }

  .page-contact .contact-form-area {
    padding: 3.5rem 3rem 4rem;
  }

  .page-contact .contact-decor-img {
    width: 44%;
    max-width: 300px;
  }
}

/* ===== 极窄屏安全 ===== */
@media (max-width: 374px) {
  .page-contact {
    --contact-inset: 1rem;
  }

  .page-contact .contact-page-title {
    font-size: 1.5rem;
  }

  .page-contact .contact-item {
    flex-wrap: wrap;
    gap: 0.375rem;
  }

  .page-contact .contact-label {
    min-width: auto;
    font-size: 0.8125rem;
  }

  .page-contact .contact-value {
    font-size: 0.875rem;
    width: 100%;
    padding-left: 1.75rem;
  }

  .page-contact .form-icon {
    width: 44px;
    height: 44px;
  }

  .page-contact .form-section-title {
    font-size: 1.25rem;
  }

  .page-contact .btn-submit {
    width: 100%;
    padding: 0.8125rem 1.5rem;
  }
}