/* ===== 页面专属样式：.page-contact ===== */
.page-contact {
  position: relative;
  background-color: var(--color-bg);
  color: var(--color-text);
  min-height: 100vh;
  overflow-x: hidden;
}

/* 背景粒子图 */
.contact-bg-particles {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  opacity: 0.12;
}

/* 容器内所有内容位于粒子之上 */
.page-contact .container {
  position: relative;
  z-index: 1;
  padding: 2rem 1rem 4rem;
  max-width: 960px;
  margin-left: auto;
  margin-right: auto;
}

/* 面包屑 */
.page-contact .breadcrumb {
  margin-bottom: 2rem;
  font-size: 0.8rem;
}
.page-contact .breadcrumb ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.page-contact .breadcrumb ol li::before {
  content: "/";
  margin-right: 0.5rem;
  color: var(--color-ash);
}
.page-contact .breadcrumb ol li:first-child::before {
  content: none;
}
.page-contact .breadcrumb a {
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--color-gold);
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--color-ash);
  font-weight: 500;
}

/* 顶部 Hero 区域 */
.page-contact .contact-hero {
  text-align: center;
  margin-bottom: 3rem;
}
.page-contact .contact-hero-icon {
  display: block;
  margin: 0 auto 1rem;
  width: 100px;
  height: auto;
  max-width: 100%;
  filter: drop-shadow(0 4px 12px rgba(212,168,67,0.25));
}
.page-contact .contact-hero-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3rem);
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.page-contact .contact-hero-desc {
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-ash);
  margin: 0;
}

/* 两栏网格 */
.page-contact .contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 768px) {
  .page-contact .contact-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }
}

/* ===== 左侧：官方联络 ===== */
.page-contact .contact-info {
  background: transparent;
  padding: 0;
}
.page-contact .contact-info-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  color: var(--color-text);
}
.page-contact .contact-info-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.page-contact .contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}
.page-contact .contact-info-icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  color: var(--color-gold);
  margin-top: 0.15rem;
}
.page-contact .contact-info-text {
  flex: 1;
}
.page-contact .contact-info-label {
  display: block;
  font-family: var(--font-small);
  font-weight: 300;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-ash);
  margin-bottom: 0.2rem;
}
.page-contact .contact-info-value {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 1.05rem;
  color: var(--color-text);
  text-decoration: none;
  transition: color var(--transition);
}
.page-contact .contact-info-value[href]:hover,
.page-contact .contact-info-value[href]:focus-visible {
  color: var(--color-gold);
}
.page-contact .contact-info-note {
  font-family: var(--font-small);
  font-size: 0.8rem;
  color: var(--color-ash);
  margin: 0.2rem 0 0;
  line-height: 1.4;
}
.page-contact .contact-info-addr-note {
  color: var(--color-ash);
  font-style: italic;
}
.page-contact .contact-info-footer {
  margin-top: 2rem;
  font-size: 0.85rem;
  color: var(--color-text);
  line-height: 1.5;
}
.page-contact .contact-info-faq-link {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: opacity var(--transition);
}
.page-contact .contact-info-faq-link:hover,
.page-contact .contact-info-faq-link:focus-visible {
  opacity: 0.8;
}

/* ===== 右侧：表单 ===== */
.page-contact .contact-form-section {
  background: transparent;
}
.page-contact .contact-form-heading {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
  color: var(--color-text);
}
.page-contact .contact-form-intro {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-ash);
  margin: 0 0 1.5rem;
}
.page-contact .contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}
.page-contact .form-group {
  position: relative;
}
.page-contact .form-label {
  display: block;
  font-family: var(--font-small);
  font-weight: 500;
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  margin-bottom: 0.3rem;
  color: var(--color-text);
}
.page-contact .form-input,
.page-contact .form-textarea {
  display: block;
  width: 100%;
  padding: 0.7rem 0.8rem;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-text);
  background-color: transparent;
  border: none;
  border-bottom: 2px solid var(--color-ash);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
  box-sizing: border-box;
  border-radius: 0;
}
.page-contact .form-input::placeholder,
.page-contact .form-textarea::placeholder {
  color: var(--color-ash);
  opacity: 0.6;
}
.page-contact .form-input:focus,
.page-contact .form-textarea:focus {
  border-bottom-color: var(--color-gold);
  box-shadow: 0 1px 0 var(--color-gold);
}
/* 验证状态 */
.page-contact .form-input:user-valid,
.page-contact .form-textarea:user-valid {
  border-bottom-color: #28a745;
}
.page-contact .form-input:user-invalid,
.page-contact .form-textarea:user-invalid {
  border-bottom-color: #dc3545;
}
.page-contact .form-feedback {
  display: block;
  font-size: 0.75rem;
  min-height: 1.2em;
  margin-top: 0.2rem;
  color: var(--color-ash);
}
/* 提交按钮 */
.page-contact .contact-submit-btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid var(--color-gold);
  background-color: var(--color-gold);
  color: #fff;
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), transform 0.15s;
  border-radius: 0;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}
.page-contact .contact-submit-btn:hover,
.page-contact .contact-submit-btn:focus-visible {
  background-color: transparent;
  color: var(--color-gold);
  transform: translateY(-2px);
}
.page-contact .contact-submit-btn:active {
  transform: translateY(0);
}

/* ===== 移动端优化 ===== */
@media (max-width: 767px) {
  .page-contact .container {
    padding: 1.5rem 1rem 3rem;
  }
  .page-contact .contact-hero {
    margin-bottom: 2rem;
  }
  .page-contact .contact-hero-icon {
    width: 80px;
  }
  .page-contact .contact-info-heading,
  .page-contact .contact-form-heading {
    font-size: 1.3rem;
  }
  .page-contact .contact-form .form-input,
  .page-contact .contact-form .form-textarea {
    padding: 0.6rem 0.7rem;
  }
  .page-contact .contact-submit-btn {
    width: 100%;
    text-align: center;
  }
}