.page-contact {
  background: var(--bg-deep);
  color: var(--text-body);
  font-family: var(--font-body);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 1.25rem var(--space-4) 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.page-contact .breadcrumb a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--accent);
  border-color: var(--accent);
  outline: none;
}
.page-contact .breadcrumb [aria-current="page"] {
  color: var(--text-heading);
}
.page-contact .breadcrumb-sep {
  color: var(--accent-blue);
  margin: 0 0.25rem;
}

/* ---------- 首屏封面 ---------- */
.page-contact .contact-hero {
  position: relative;
  min-height: 440px;
  display: flex;
  align-items: flex-end;
  margin-bottom: var(--space-6);
  isolation: isolate;
}
.page-contact .hero-media {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}
.page-contact .hero-media img {
  width: 100%;
  max-width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-contact .hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10,14,23,0.35) 0%, rgba(10,14,23,0.82) 60%, var(--bg-deep) 100%);
}
.page-contact .hero-grid-strips {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,107,0,0.14) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,107,0,0.10) 1px, transparent 1px);
  background-size: 48px 48px;
  mix-blend-mode: screen;
}
.page-contact .hero-content {
  width: 100%;
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--space-6) var(--space-4) var(--space-5);
}
.page-contact .hero-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
.page-contact .hero-kicker::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--accent);
  display: inline-block;
}
.page-contact .hero-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.1rem, 7vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--text-heading);
  max-width: 12em;
}
.page-contact .hero-lead {
  margin: 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text-body);
}
.page-contact .hero-status {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-4);
}
.page-contact .status-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 6px 10px;
  border: 1px solid var(--border-color);
  background: rgba(10,14,23,0.6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--text-body);
}
.page-contact .status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 3px rgba(255,107,0,0.18);
}

/* ---------- 联系信息 ---------- */
.page-contact .contact-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-6);
}
.page-contact .section-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-4);
  border-bottom: 3px solid var(--border-color);
}
.page-contact .section-no {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1;
  color: var(--accent);
  border: 2px solid currentColor;
  padding: 6px 8px;
  white-space: nowrap;
}
.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--text-heading);
}
.page-contact .section-lead {
  flex-basis: 100%;
  margin: 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}
.page-contact .info-listing {
  border: 2px solid var(--border-color);
  border-top: 6px solid var(--accent);
  background: var(--bg-panel);
  box-shadow: 10px 10px 0 var(--shadow);
}
.page-contact .info-item {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-color);
}
.page-contact .info-item:last-child {
  border-bottom: none;
}
.page-contact .info-icon {
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  border: 2px solid var(--accent);
  background: rgba(255,107,0,0.10);
  color: var(--accent);
}
.page-contact .info-icon svg {
  width: 100%;
  height: 100%;
  display: block;
}
.page-contact .info-body {
  flex: 1 1 240px;
  min-width: 0;
}
.page-contact .info-label {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent-blue);
}
.page-contact .info-value {
  display: block;
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 2.6vw, 1.6rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-heading);
  text-decoration: none;
  word-break: break-all;
}
.page-contact a.info-value:hover,
.page-contact a.info-value:focus-visible {
  color: var(--accent-light);
  outline: none;
  box-shadow: 0 2px 0 var(--accent);
}
.page-contact .info-note {
  margin: var(--space-2) 0 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}
.page-contact .copy-btn {
  margin-top: var(--space-3);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  background: transparent;
  border: 1.5px solid var(--accent);
  color: var(--accent);
  cursor: pointer;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--accent);
  color: #FFFFFF;
  outline: none;
}

/* ---------- 支持说明 ---------- */
.page-contact .support-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-6);
}
.page-contact .support-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}
.page-contact .support-text {
  flex: 1 1 50%;
}
.page-contact .support-paragraph {
  margin: var(--space-4) 0;
  padding-left: var(--space-4);
  border-left: 4px solid var(--accent);
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-body);
}
.page-contact .support-paragraph a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid var(--accent);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}
.page-contact .support-paragraph a:hover,
.page-contact .support-paragraph a:focus-visible {
  color: var(--accent-light);
  border-color: var(--accent-light);
  outline: none;
}
.page-contact .support-rules {
  list-style: none;
  margin: 0;
  padding: 0;
  border: 1px solid var(--border-color);
  background: var(--bg-panel);
}
.page-contact .support-rules li {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.88rem;
  line-height: 1.6;
}
.page-contact .support-rules li:last-child {
  border-bottom: none;
}
.page-contact .support-rules li span {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent-blue);
}
.page-contact .support-figure {
  border: 2px solid var(--border-color);
  padding: var(--space-2);
  background: var(--bg-panel);
  box-shadow: 8px 8px 0 var(--shadow);
  transform: rotate(1.2deg);
  transition: transform var(--transition-fast);
}
.page-contact .support-figure:hover {
  transform: rotate(0deg);
}
.page-contact .support-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ---------- 常见问题速览 ---------- */
.page-contact .faq-section {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-6);
}
.page-contact .faq-list {
  border: 2px solid var(--border-color);
  background: var(--bg-panel);
  box-shadow: 10px 10px 0 var(--shadow);
}
.page-contact .faq-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--space-1) var(--space-4);
  align-items: center;
  padding: var(--space-4);
  border-bottom: 1px solid var(--border-color);
  text-decoration: none;
  color: var(--text-body);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.page-contact .faq-item:last-child {
  border-bottom: none;
}
.page-contact .faq-item:hover,
.page-contact .faq-item:focus-visible {
  background: var(--bg-deep);
  outline: none;
}
.page-contact .faq-index {
  grid-row: 1 / 3;
  padding: 4px 6px;
  border: 1px solid var(--accent);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--accent);
  text-align: center;
}
.page-contact .faq-q {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-family: var(--font-heading);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--text-heading);
}
.page-contact .faq-a {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--text-muted);
}
.page-contact .faq-arrow {
  display: none;
}

/* ---------- 快速跳转 ---------- */
.page-contact .quick-exit {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: 0 var(--space-4) var(--space-6);
}
.page-contact .quick-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.page-contact .quick-link {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--bg-panel);
  border: 2px solid var(--border-color);
  text-decoration: none;
  color: var(--text-heading);
  transition: border-color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
}
.page-contact .quick-link:hover,
.page-contact .quick-link:focus-visible {
  border-color: var(--accent);
  background: var(--bg-deep);
  transform: translateX(4px);
  outline: none;
}
.page-contact .quick-arrow {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--accent);
}
.page-contact .quick-label {
  font-family: var(--font-heading);
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.page-contact .quick-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  text-align: right;
}

/* ---------- 桌面端增强 ---------- */
@media (min-width: 768px) {
  .page-contact .contact-hero {
    min-height: 640px;
    margin-bottom: var(--space-7);
  }
  .page-contact .hero-content {
    padding-bottom: var(--space-7);
  }
  .page-contact .hero-title {
    font-size: clamp(3rem, 6vw, 4.2rem);
  }
  .page-contact .contact-section,
  .page-contact .support-section,
  .page-contact .faq-section,
  .page-contact .quick-exit {
    padding-left: var(--space-5);
    padding-right: var(--space-5);
  }
  .page-contact .info-item {
    padding: var(--space-6) var(--space-5);
  }
  .page-contact .info-icon {
    width: 64px;
    height: 64px;
  }
  .page-contact .copy-btn {
    margin-top: var(--space-3);
  }
  .page-contact .support-grid {
    flex-direction: row;
    align-items: center;
  }
  .page-contact .support-text {
    padding-right: var(--space-5);
  }
  .page-contact .support-figure {
    flex: 1 1 45%;
  }
  .page-contact .support-figure img {
    min-height: 360px;
    aspect-ratio: auto;
  }
  .page-contact .faq-item {
    grid-template-columns: auto 1fr auto auto;
    padding: var(--space-4) var(--space-5);
  }
  .page-contact .faq-q {
    grid-column: 2;
    grid-row: 1 / 3;
    font-size: 1.05rem;
  }
  .page-contact .faq-a {
    grid-column: 3;
    grid-row: 1 / 3;
    text-align: right;
  }
  .page-contact .faq-arrow {
    display: inline-block;
    grid-column: 4;
    grid-row: 1 / 3;
    font-family: var(--font-mono);
    color: var(--accent);
    font-size: 1.1rem;
    padding-left: var(--space-2);
  }
  .page-contact .quick-links {
    flex-direction: row;
  }
  .page-contact .quick-link {
    flex: 1;
  }
  .page-contact .quick-link:hover,
  .page-contact .quick-link:focus-visible {
    transform: translateY(-4px);
  }
}