.page-contact {
  --contact-glass-bg: rgba(255,255,255,0.06);
  --contact-glass-border: rgba(255,255,255,0.1);
  --contact-card-min-height: 220px;
  --contact-form-max-width: 640px;
  --contact-icon-color: var(--color-gold, #FFD700);
  --contact-highlight-border: var(--color-gold, #FFD700);
  position: relative;
  background: var(--color-bg-deep, #0D0D1A);
  min-height: 100vh;
  padding: calc(var(--header-height, 68px) + 1.5rem) 1.5rem 4rem;
  color: var(--color-white, #FFFFFF);
  overflow-x: hidden;
}

/* 背景纹理图片 */
.page-contact .img-bg-wrapper {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.page-contact .bg-texture {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  filter: blur(4px);
}

.page-contact .contact-illustration {
  position: absolute;
  right: 2rem;
  top: 30%;
  width: 200px;
  height: 200px;
  z-index: 0;
  opacity: 0.3;
  pointer-events: none;
}

.page-contact .illustration-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  max-width: 100%;
}

/* 面包屑 */
.page-contact .breadcrumb {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  color: var(--color-secondary-text, #A0A0B0);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb a {
  color: var(--color-secondary-text, #A0A0B0);
  text-decoration: none;
  transition: color 0.2s;
}

.page-contact .breadcrumb a:hover {
  color: var(--color-accent, #D32F2F);
}

.page-contact .breadcrumb .separator {
  margin: 0 0.5rem;
}

/* Hero 区域 */
.page-contact .contact-hero {
  position: relative;
  z-index: 1;
  margin-bottom: 2.5rem;
  max-width: var(--max-width, 1360px);
  margin-left: auto;
  margin-right: auto;
}

.page-contact .contact-hero-content {
  border-left: 4px solid var(--color-accent, #D32F2F);
  padding-left: 1.5rem;
}

.page-contact .section-title {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-weight: 700;
  font-size: 2.2rem;
  line-height: 1.2;
  margin: 0 0 0.5rem;
  color: var(--color-white, #FFFFFF);
}

.page-contact .section-subtitle {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 1rem;
  color: var(--color-secondary-text, #A0A0B0);
  margin: 0;
  line-height: 1.6;
}

/* 联系方式卡片网格 */
.page-contact .contact-info-section {
  position: relative;
  z-index: 1;
  max-width: var(--max-width, 1360px);
  margin: 0 auto 3rem;
}

.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-contact .contact-card {
  background: var(--contact-glass-bg);
  border: 1px solid var(--contact-glass-border);
  border-radius: var(--border-radius, 6px);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 2rem 1.5rem;
  min-height: var(--contact-card-min-height);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
}

.page-contact .card-email {
  border-color: rgba(255,215,0,0.3);
}

.page-contact .card-email .contact-label {
  color: var(--contact-highlight-border);
}

.page-contact .contact-icon-email,
.page-contact .contact-icon-phone,
.page-contact .contact-icon-address {
  margin-bottom: 1rem;
  color: var(--contact-icon-color);
}

.page-contact .contact-label {
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-weight: 600;
  font-size: 1.1rem;
  margin: 0 0 0.5rem;
  color: var(--color-white, #FFFFFF);
}

.page-contact .contact-value {
  font-family: var(--font-data, 'Fira Code', 'Menlo', monospace);
  font-size: 1rem;
  color: var(--color-white, #FFFFFF);
  word-break: break-all;
  margin: 0 0 0.3rem;
  line-height: 1.5;
}

.page-contact .contact-tel {
  color: inherit;
  text-decoration: none;
}

.page-contact .contact-tel:hover {
  color: var(--color-accent, #D32F2F);
  text-decoration: underline;
}

.page-contact .contact-note {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  color: var(--color-secondary-text, #A0A0B0);
  margin: 0 0 1rem;
}

.page-contact .btn-copy {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.85rem;
  background: transparent;
  border: 1px solid var(--contact-highlight-border);
  color: var(--contact-highlight-border);
  border-radius: var(--border-radius, 6px);
  cursor: pointer;
  transition: background 0.2s, color 0.2s;
}

.page-contact .btn-copy:hover {
  background: var(--color-gold, #FFD700);
  color: var(--color-primary, #0B1D3A);
}

.page-contact .btn-copy:active {
  transform: scale(0.97);
}

/* 表单区 */
.page-contact .contact-form-section {
  position: relative;
  z-index: 1;
  max-width: var(--contact-form-max-width);
  margin: 0 auto 3rem;
}

.page-contact .contact-form-section .section-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}

.page-contact .form-panel {
  background: var(--color-card-bg, #1E1E3A);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius, 6px);
  padding: 2rem 1.5rem;
}

.page-contact .form-group {
  margin-bottom: 1.5rem;
  position: relative;
}

.page-contact .form-label {
  display: block;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.9rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  color: var(--color-white, #FFFFFF);
}

.page-contact .form-input {
  width: 100%;
  box-sizing: border-box;
  padding: 0.7rem 1rem;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--color-white, #FFFFFF);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--border-radius, 6px);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.page-contact .form-input::placeholder {
  color: var(--color-secondary-text, #A0A0B0);
}

.page-contact .form-input:focus {
  border-color: var(--color-gold, #FFD700);
  box-shadow: 0 0 0 2px rgba(255,215,0,0.2);
}

.page-contact .form-input.error {
  border-color: var(--color-accent, #D32F2F);
}

.page-contact .form-select {
  min-height: 2.8rem;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A0A0B0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.page-contact .form-textarea {
  resize: vertical;
  min-height: 120px;
}

.page-contact .form-error {
  display: none;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-accent, #D32F2F);
  margin-top: 0.3rem;
}

.page-contact .form-input.error ~ .form-error {
  display: block;
}

.page-contact .form-char-count {
  display: block;
  text-align: right;
  font-family: var(--font-data, 'Fira Code', 'Menlo', monospace);
  font-size: 0.8rem;
  color: var(--color-secondary-text, #A0A0B0);
  margin-top: 0.25rem;
}

.page-contact .btn-primary {
  display: inline-block;
  width: 100%;
  padding: 0.85rem 1.5rem;
  font-family: var(--font-heading, 'Inter', 'PingFang SC', sans-serif);
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-white, #FFFFFF);
  background: var(--color-accent, #D32F2F);
  border: none;
  border-radius: var(--border-radius, 6px);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  text-align: center;
}

.page-contact .btn-primary:hover {
  background: #b71c1c;
}

.page-contact .btn-primary:active {
  transform: scale(0.98);
}

.page-contact .form-disclaimer {
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.8rem;
  color: var(--color-secondary-text, #A0A0B0);
  text-align: center;
  margin-top: 1rem;
}

/* 额外帮助区 */
.page-contact .contact-extra {
  position: relative;
  z-index: 1;
  max-width: var(--contact-form-max-width);
  margin: 0 auto;
}

.page-contact .extra-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--border-radius, 6px);
  padding: 1.5rem;
  font-family: var(--font-body, 'Noto Sans SC', sans-serif);
  font-size: 0.95rem;
  color: var(--color-secondary-text, #A0A0B0);
  line-height: 1.6;
}

.page-contact .extra-icon {
  flex-shrink: 0;
  color: var(--color-gold, #FFD700);
}

.page-contact .extra-card a {
  color: var(--color-gold, #FFD700);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .extra-card a:hover {
  color: var(--color-accent, #D32F2F);
}

/* 手机端适配 */
@media (max-width: 768px) {
  .page-contact {
    padding: calc(var(--header-height, 68px) + 1rem) 1rem 3rem;
  }

  .page-contact .contact-hero-content {
    padding-left: 1rem;
  }

  .page-contact .section-title {
    font-size: 1.6rem;
  }

  .page-contact .section-subtitle {
    font-size: 0.9rem;
  }

  .page-contact .contact-grid {
    gap: 1rem;
  }

  .page-contact .contact-card {
    padding: 1.5rem 1rem;
    min-height: auto;
  }

  .page-contact .contact-value {
    font-size: 0.9rem;
  }

  .page-contact .contact-illustration {
    display: none;
  }

  .page-contact .form-panel {
    padding: 1.5rem 1rem;
  }

  .page-contact .btn-primary {
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
  }

  .page-contact .extra-card {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* 桌面端大屏 */
@media (min-width: 1024px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .section-title {
    font-size: 2.8rem;
  }

  .page-contact .contact-card {
    padding: 2.5rem 2rem;
  }

  .page-contact .contact-icon-email,
  .page-contact .contact-icon-phone,
  .page-contact .contact-icon-address {
    margin-bottom: 1.5rem;
  }

  .page-contact .contact-label {
    font-size: 1.2rem;
  }

  .page-contact .contact-value {
    font-size: 1.1rem;
  }
}

/* 中型屏 */
@media (min-width: 768px) and (max-width: 1023px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .contact-card:last-child {
    grid-column: span 2;
  }
}