.page-contact {
  --page-gap: clamp(24px, 5vw, 56px);
  background: var(--bg-default);
}

.page-contact .breadcrumb {
  padding-block: 22px 0;
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

.page-contact .breadcrumb-item a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color 0.2s ease;
}

.page-contact .breadcrumb-item a:hover,
.page-contact .breadcrumb-item a:focus-visible {
  color: var(--accent-green);
  outline: none;
}

.page-contact .breadcrumb-sep {
  color: var(--border-strong);
  margin-inline: 8px;
}

.page-contact .breadcrumb-current {
  color: var(--text-data);
  font-weight: 500;
}

/* ---------- 首屏：通信卡 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-block: var(--space-section);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-bridge);
  opacity: 0.9;
}

.page-contact .contact-hero-header {
  max-width: 860px;
}

.page-contact .contact-hero-header .block-label {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-data);
  border: 1px solid var(--border-line);
  background: rgba(0, 179, 255, 0.06);
  padding: 7px 12px;
}

.page-contact .contact-hero-header h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.08;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin: 18px 0 10px;
}

.page-contact .contact-hero-lead {
  font-size: clamp(15px, 1.8vw, 18px);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 34em;
  margin: 0;
}

.page-contact .contact-hero-header .gradient-rule {
  margin-top: 24px;
}

.page-contact .contact-hero-layout {
  display: grid;
  gap: var(--page-gap);
  margin-top: clamp(30px, 5vw, 56px);
}

.page-contact .contact-visual {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(135deg,
              rgba(0, 179, 255, 0.10) 0%,
              transparent 42%,
              rgba(182, 255, 0, 0.08) 100%);
}

.page-contact .contact-visual-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-visual-meta {
  position: absolute;
  left: 16px;
  bottom: 12px;
  margin: 0;
  padding: 5px 10px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--bg-default);
  background: var(--accent-green);
  font-weight: 700;
  z-index: 1;
}

.page-contact .contact-hero-side {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-hard);
  padding: clamp(22px, 3.4vw, 40px);
}

.page-contact .side-flag {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--bg-default);
  background: var(--accent-green);
  padding: 4px 9px;
}

.page-contact .contact-hero-side-title {
  font-family: var(--font-head);
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 24px 0 20px;
}

.page-contact .contact-route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .contact-route-list li {
  border-top: 1px solid var(--border-line);
  padding-top: 18px;
}

.page-contact .route-code {
  display: block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--accent-green);
  margin-bottom: 7px;
}

.page-contact .route-value {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(17px, 2vw, 22px);
  font-weight: 700;
  color: var(--text-data);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  word-break: break-all;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .route-value:hover,
.page-contact .route-value:focus-visible {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
  outline: none;
}

.page-contact .route-note {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-secondary);
}

.page-contact .contact-hero-note {
  margin: 22px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border-line);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ---------- 联系索引 ---------- */
.page-contact .contact-directory {
  padding-block: var(--space-section);
  background: var(--bg-panel);
  border-top: 1px solid var(--border-line);
  border-bottom: 1px solid var(--border-line);
}

.page-contact .contact-directory-grid {
  display: grid;
  gap: 0;
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--border-strong);
}

.page-contact .contact-entry {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-line);
}

.page-contact .contact-entry-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-contact .entry-index {
  display: inline-block;
  font-family: var(--font-data);
  font-size: 12px;
  font-weight: 700;
  color: var(--bg-default);
  background: var(--accent-green);
  padding: 3px 8px;
}

.page-contact .entry-cmd {
  font-family: var(--font-data);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--text-data);
}

.page-contact .contact-entry h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 8px;
}

.page-contact .entry-value {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(15px, 1.6vw, 18px);
  font-weight: 700;
  color: var(--text-data);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: 12px;
  word-break: break-all;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .entry-value:hover,
.page-contact .entry-value:focus-visible {
  color: var(--accent-green);
  border-bottom-color: var(--accent-green);
  outline: none;
}

.page-contact .entry-address {
  color: var(--text-data);
  border-bottom: 0;
  cursor: default;
}

.page-contact .entry-desc {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0 0 14px;
}

.page-contact .entry-boundary {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-orange);
  padding-left: 12px;
}

/* ---------- 来信前准备 ---------- */
.page-contact .contact-prep {
  padding-block: var(--space-section);
}

.page-contact .contact-prep-layout {
  display: grid;
  gap: var(--page-gap);
  margin-top: clamp(30px, 4vw, 48px);
}

.page-contact .prep-intro {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-primary);
  margin: 0 0 20px;
  padding: 14px 16px;
  border-left: 4px solid var(--accent-blue);
  background: rgba(0, 179, 255, 0.05);
}

.page-contact .checklist {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .checklist li {
  position: relative;
  padding: 14px 14px 14px 44px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  border-bottom: 1px dashed var(--border-line);
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 18px;
  width: 16px;
  height: 16px;
  border: 2px solid var(--accent-green);
  background: rgba(182, 255, 0, 0.08);
}

.page-contact .prep-tip {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin: 0;
  padding: 14px 16px;
  background: rgba(255, 77, 46, 0.05);
  border-left: 3px solid var(--accent-orange);
}

.page-contact .prep-tip a {
  color: var(--accent-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 179, 255, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .prep-tip a:hover,
.page-contact .prep-tip a:focus-visible {
  color: var(--accent-green);
  border-color: var(--accent-green);
  outline: none;
}

.page-contact .contact-prep-figure {
  position: relative;
  border: 1px solid var(--border-strong);
  background: var(--bg-panel);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.page-contact .contact-prep-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg,
              rgba(0, 179, 255, 0.07) 0%,
              rgba(182, 255, 0, 0.05) 100%);
}

.page-contact .contact-prep-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 10 / 7;
  object-fit: cover;
}

.page-contact .contact-prep-caption {
  position: absolute;
  right: 12px;
  bottom: 10px;
  margin: 0;
  font-family: var(--font-data);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--bg-default);
  background: var(--accent-green);
  padding: 4px 9px;
  font-weight: 700;
  z-index: 1;
}

/* ---------- 服务响应 ---------- */
.page-contact .contact-response {
  padding-block: var(--space-section);
  background: var(--bg-panel);
  border-top: 1px solid var(--border-line);
}

.page-contact .contact-response-grid {
  display: grid;
  gap: 0;
  margin-top: clamp(30px, 4vw, 48px);
  border-top: 1px solid var(--border-strong);
}

.page-contact .response-block {
  padding: 28px 0;
  border-bottom: 1px solid var(--border-line);
}

.page-contact .response-expected {
  display: inline-block;
  font-family: var(--font-data);
  font-size: clamp(20px, 2.6vw, 32px);
  font-weight: 700;
  color: var(--accent-green);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.page-contact .response-block h3 {
  font-family: var(--font-head);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 10px;
}

.page-contact .response-block p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  margin: 0;
}

.page-contact .response-note {
  margin-top: 26px;
  padding: 14px 16px;
  border-left: 3px solid var(--accent-orange);
  background: rgba(255, 77, 46, 0.05);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-contact .response-note p {
  margin: 0;
}

.page-contact .contact-faq-card {
  margin-top: 24px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  border: 1px solid var(--border-strong);
  background: var(--bg-default);
  padding: 20px 22px;
  box-shadow: var(--shadow-hard);
}

.page-contact .faq-card-index {
  font-family: var(--font-data);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent-green);
  line-height: 1;
  background: rgba(182, 255, 0, 0.08);
  padding: 8px 12px;
}

.page-contact .faq-card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-primary);
  margin: 0;
}

.page-contact .faq-card-text a {
  color: var(--accent-blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 179, 255, 0.4);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact .faq-card-text a:hover,
.page-contact .faq-card-text a:focus-visible {
  color: var(--accent-green);
  border-color: var(--accent-green);
  outline: none;
}

/* ---------- 桌面端布局 ---------- */
@media (min-width: 1024px) {
  .page-contact .contact-hero-layout {
    grid-template-columns: 7fr 5fr;
    align-items: stretch;
  }

  .page-contact .contact-hero-side {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-contact .contact-directory-grid {
    grid-template-columns: repeat(3, 1fr);
    border-top: 1px solid var(--border-strong);
  }

  .page-contact .contact-entry {
    padding: 36px 34px;
    border-bottom: 0;
    border-right: 1px solid var(--border-line);
  }

  .page-contact .contact-entry:first-child {
    padding-left: 0;
  }

  .page-contact .contact-entry:last-child {
    padding-right: 0;
    border-right: 0;
  }

  .page-contact .contact-prep-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-contact .contact-response-grid {
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border-strong);
  }

  .page-contact .response-block {
    padding: 34px 32px;
    border-bottom: 0;
    border-right: 1px solid var(--border-line);
  }

  .page-contact .response-block:first-child {
    padding-left: 0;
  }

  .page-contact .response-block:last-child {
    border-right: 0;
    padding-right: 0;
  }
}