/* ===== 联系入口页 · 专属样式（.page-contact） ===== */
.page-contact {
  position: relative;
  overflow-x: hidden;
  padding: 0 0 4.5rem;
}

/* ----- 顶部标题区 ----- */
.page-contact .contact-hero {
  position: relative;
  margin-bottom: 2rem;
  padding-top: 1.5rem;
  border-bottom: 1px solid var(--gray-line);
}

.page-contact .contact-hero-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.25rem 0 1.75rem;
}

.page-contact .contact-hero-content {
  max-width: 46rem;
}

.page-contact .contact-hero h1 {
  margin: 0.6rem 0 0.85rem;
  font-family: var(--font-headings);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

.page-contact .contact-hero .page-desc {
  margin: 0;
  font-size: 1rem;
  line-height: 1.75;
  color: #4a5a6a;
}

.page-contact .contact-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  background: var(--orange);
  color: var(--white);
  font-size: 0.875rem;
  font-weight: 700;
  white-space: nowrap;
  box-shadow: 0 4px 14px rgba(230, 126, 34, 0.3);
}

.page-contact .contact-hero-badge::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--white);
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.5);
}

.page-contact .contact-hero-rule {
  position: absolute;
  height: 4px;
  bottom: -2px;
  left: 0;
  width: 100%;
  background: linear-gradient(90deg, var(--navy) 0 22%, var(--gray-line) 22% 23%, transparent 23% 45%, var(--orange) 45% 68%, transparent 68%);
}

.page-contact .contact-hero .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.page-contact .contact-hero .breadcrumb a {
  color: var(--navy);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.page-contact .contact-hero .breadcrumb a:hover {
  border-bottom-color: var(--orange);
}

.page-contact .hero-form-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.1rem;
  padding: 0.4rem 0;
  color: var(--navy);
  font-family: var(--font-headings);
  font-weight: 600;
  font-size: 0.9rem;
  text-decoration: none;
  border-bottom: 1px solid var(--gray-line);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .hero-form-link:hover {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

/* ----- 左右不对称主体布局 ----- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  margin-bottom: 4rem;
}

/* ----- 左侧：通联信息面板 ----- */
.page-contact .contact-info {
  position: relative;
  padding: 1.5rem 1.25rem;
  background: linear-gradient(180deg, var(--light-blue) 0%, var(--bg-paper) 42%);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-card);
}

.page-contact .contact-info::before {
  content: "";
  position: absolute;
  inset: 12px;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(to right, rgba(10, 35, 66, 0.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(10, 35, 66, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  border-radius: 8px;
}

.page-contact .contact-info > * {
  position: relative;
  z-index: 1;
}

.page-contact .contact-info .section-heading {
  margin-bottom: 0.75rem;
}

.page-contact .contact-info .section-heading-title,
.page-contact .contact-help .section-heading-title {
  font-family: var(--font-headings);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-info-desc {
  margin: 0 0 1.25rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: #4a5a6a;
}

/* ----- 图片与图注 ----- */
.page-contact .contact-figure {
  margin: 0 0 1.1rem;
}

.page-contact .contact-figure-img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid rgba(10, 35, 66, 0.2);
}

.page-contact .contact-figure figcaption {
  margin-top: 0.5rem;
}

.page-contact .contact-figure-map {
  margin: 1.4rem 0 0.25rem;
}

/* ----- 联系渠道列表 ----- */
.page-contact .contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  margin: 1.35rem 0 0;
}

.page-contact .contact-channel {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 0.9rem;
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.page-contact .contact-channel:hover {
  border-color: var(--orange);
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.page-contact .contact-channel-marker {
  width: 30px;
  height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.85rem;
}

.page-contact .contact-channel-text {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.page-contact .contact-channel-label {
  margin-bottom: 0.25rem;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: #6b7178;
  text-transform: uppercase;
}

.page-contact .contact-channel-text a {
  color: var(--navy);
  font-weight: 600;
  font-size: 0.925rem;
  word-break: break-all;
  text-decoration-line: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}

.page-contact .contact-channel-text a:hover {
  color: var(--orange);
}

/* ----- 地址区块 ----- */
.page-contact .contact-address {
  margin-top: 1rem;
  padding: 1rem 0.9rem 1.25rem;
  background: var(--bg-paper);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
}

.page-contact .contact-address-head {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.page-contact .contact-address-text p {
  margin: 0;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .contact-address-text .contact-channel-label {
  margin-bottom: 0.25rem;
}

.page-contact .contact-address-note {
  margin: 0.75rem 0 0;
  padding: 0.7rem 0.9rem;
  border-left: 3px solid var(--teal);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(26, 188, 156, 0.08);
  font-size: 0.875rem;
  line-height: 1.6;
  color: #47525d;
}

/* ----- 响应承诺提示条 ----- */
.page-contact .contact-response {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  margin-top: 1.5rem;
  padding: 1.1rem;
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: 0 8px 24px rgba(230, 126, 34, 0.12);
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .contact-response:hover {
  border-color: #c2601a;
  box-shadow: 0 10px 30px rgba(230, 126, 34, 0.2);
}

.page-contact .contact-response-strip {
  width: 6px;
  min-height: 40px;
  flex-shrink: 0;
  border-radius: 99px;
  background: var(--orange);
}

.page-contact .contact-response strong {
  display: block;
  margin-bottom: 0.25rem;
  font-family: var(--font-headings);
  font-size: 1rem;
  color: var(--ink);
}

.page-contact .contact-response p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #47525d;
}

/* ----- 右侧：联系表单卡片 ----- */
.page-contact .contact-form {
  position: relative;
}

.page-contact .contact-form-card {
  position: relative;
  overflow: hidden;
  padding: 1.5rem 1.25rem 1.75rem;
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: calc(var(--radius) + 4px);
  box-shadow: var(--shadow-hover);
}

.page-contact .contact-form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 5px;
  background: linear-gradient(90deg, var(--navy) 0 58%, var(--orange) 58% 84%, var(--teal) 84%);
}

.page-contact .contact-form-head {
  margin-bottom: 1.25rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--gray-line);
}

.page-contact .contact-form-head .coordinate-label {
  color: var(--orange);
}

.page-contact .contact-form-head h2 {
  margin: 0.4rem 0 0.35rem;
  font-family: var(--font-headings);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-form-lead {
  margin: 0;
  font-size: 0.925rem;
  line-height: 1.65;
  color: #4a5a6a;
}

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

/* ----- 表单元素 ----- */
.page-contact .form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-contact .form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
}

.page-contact .form-group input,
.page-contact .form-group select,
.page-contact .form-group textarea {
  width: 100%;
  box-sizing: border-box;
  padding: 0.85rem 0.9rem;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--ink);
  background: var(--bg-paper);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact .form-group input::placeholder,
.page-contact .form-group textarea::placeholder {
  color: #9aa0a8;
}

.page-contact .form-group input:focus,
.page-contact .form-group select:focus,
.page-contact .form-group textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--orange);
  box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.18);
}

.page-contact .form-group select {
  appearance: none;
  -webkit-appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--navy) 50%),
    linear-gradient(135deg, var(--navy) 50%, transparent 50%);
  background-position:
    calc(100% - 1.45rem) 50%,
    calc(100% - 1.1rem) 50%;
  background-repeat: no-repeat;
  background-size: 0.4em 0.4em;
}

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

.page-contact .form-hint {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: #7d858e;
}

.page-contact .form-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  margin-top: 0.5rem;
}

.page-contact .form-actions .btn {
  justify-content: center;
}

/* ----- 表单下方说明 ----- */
.page-contact .contact-form-note {
  margin: 1rem 0 0;
  padding: 1rem 1.25rem;
  background: var(--light-blue);
  border-left: 3px solid var(--navy);
  border-radius: var(--radius);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #39485c;
}

/* ----- 底部更多帮助 ----- */
.page-contact .contact-help {
  margin-top: 3rem;
}

.page-contact .contact-help .section-heading {
  margin-bottom: 1.5rem;
}

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

.page-contact .contact-help-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: 1.5rem 1.2rem 1.8rem;
  text-decoration: none;
  background: var(--white);
  border: 1px solid var(--gray-line);
  border-radius: var(--radius);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-help-card::after {
  content: "· · ·";
  position: absolute;
  right: 14px;
  bottom: 10px;
  font-size: 0.8rem;
  letter-spacing: 4px;
  color: var(--gray-line);
}

.page-contact .contact-help-card:hover {
  border-color: var(--navy);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.page-contact .contact-help-index {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-headings);
  font-weight: 700;
  font-size: 0.85rem;
}

.page-contact .contact-help-title {
  font-family: var(--font-headings);
  font-size: 1.13rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-help-text {
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.6;
  color: #4a5a6a;
}

.page-contact .contact-help-link {
  display: inline-block;
  margin-top: auto;
  font-family: var(--font-headings);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--orange);
  border-bottom: 1px solid transparent;
  transition: border-bottom-color 0.2s ease;
}

.page-contact .contact-help-card:hover .contact-help-link {
  border-bottom-color: var(--orange);
}

/* ----- 响应式 ----- */
@media (min-width: 720px) {
  .page-contact .contact-help-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .form-actions {
    flex-direction: row;
  }

  .page-contact .form-actions .btn {
    flex: 1;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: 2.5rem;
  }

  .page-contact .contact-form {
    position: sticky;
    top: 1rem;
  }

  .page-contact .contact-hero h1 {
    font-size: 2.5rem;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-help-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}