.page-contact {
  overflow-x: hidden;
  background: var(--bg-deep);
  color: var(--text-primary);
}

/* ===== Hero 首屏 ===== */
.page-contact__hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-height) + 40px) 0 56px;
  border-bottom: 1px solid var(--line-subtle);
}

.page-contact__breadcrumb {
  margin-bottom: 48px;
  position: relative;
  z-index: 2;
}

.page-contact__hero-grid {
  position: relative;
  z-index: 2;
  max-width: 680px;
}

.page-contact__hero-copy h1 {
  font-family: var(--font-display);
  font-size: var(--fs-hero);
  line-height: 1.05;
  margin: 16px 0 12px;
  letter-spacing: -0.02em;
  transform: skewX(var(--skew));
  transform-origin: left bottom;
}

.page-contact__hero-sub {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  color: var(--accent-primary);
  font-weight: 500;
  margin-bottom: 28px;
}

.page-contact__hero-note {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 20px;
}

.page-contact__hero-note a {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--accent-electric);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact__hero-note a:hover {
  color: var(--accent-electric);
  border-color: var(--accent-primary);
}

.page-contact__hero-tip {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  line-height: 1.8;
  color: var(--text-secondary);
  border-left: 2px solid var(--line-subtle);
  padding-left: 16px;
  max-width: 520px;
}

.page-contact__hero-tip a {
  color: var(--accent-electric);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: rgba(0, 229, 255, 0.5);
}

.page-contact__hero-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 28px;
  padding: 12px 24px;
  background: var(--accent-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transform: skewX(var(--skew));
  transition: background 0.2s ease, transform 0.2s ease;
}

.page-contact__hero-btn:hover {
  background: #e85a2a;
  transform: skewX(var(--skew)) translateY(-1px);
}

.page-contact__hero-visual {
  display: none;
}

.page-contact__hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.22;
}

/* ===== 通用区块头 ===== */
.page-contact__head-row {
  margin-bottom: 40px;
}

.page-contact__block-heading {
  font-family: var(--font-display);
  font-size: var(--fs-h2);
  margin-top: 12px;
  letter-spacing: -0.01em;
}

/* ===== 联系渠道 ===== */
.page-contact__channels-grid {
  display: grid;
  gap: 20px;
}

.page-contact__channel-card {
  position: relative;
  padding: 32px 28px;
  border: 1px solid transparent;
  transition: transform 0.2s ease;
}

.page-contact__channel-card:hover {
  transform: translateY(-2px);
}

.page-contact__channel-code {
  position: absolute;
  top: 20px;
  right: 24px;
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  color: var(--accent-electric);
  letter-spacing: 0.1em;
}

.page-contact__channel-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  margin-bottom: 4px;
}

.page-contact__channel-label {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.page-contact__channel-mail {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2vw, 24px);
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--accent-primary);
  padding-bottom: 2px;
  word-break: break-all;
  transition: border-color 0.2s ease;
}

.page-contact__channel-mail:hover {
  border-color: var(--accent-electric);
}

.page-contact__channel-action {
  display: inline-block;
  margin-top: 20px;
  padding: 8px 16px;
  background: var(--accent-primary);
  color: #ffffff;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  border-radius: var(--radius-sm);
  text-decoration: none;
  transform: skewX(var(--skew));
  transition: background 0.2s ease;
}

.page-contact__channel-action:hover {
  background: #e85a2a;
}

.page-contact__phone-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  margin-bottom: 4px;
}

.page-contact__address {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.7;
  color: var(--text-primary);
  font-weight: 500;
  margin-bottom: 4px;
}

/* ===== 地图与反馈 ===== */
.page-contact__map-section {
  position: relative;
}

.page-contact__map-layout {
  display: grid;
  gap: 24px;
}

.page-contact__map-panel {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line-subtle);
}

.page-contact__map-wrap {
  position: relative;
  background: var(--bg-panel);
}

.page-contact__map-img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__map-grid {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, transparent, transparent 39px, rgba(0, 229, 255, 0.12) 39px, rgba(0, 229, 255, 0.12) 40px),
    repeating-linear-gradient(90deg, transparent, transparent 39px, rgba(0, 229, 255, 0.12) 39px, rgba(0, 229, 255, 0.12) 40px);
  mix-blend-mode: screen;
  pointer-events: none;
  z-index: 1;
}

.page-contact__map-pin {
  position: absolute;
  top: 55%;
  left: 48%;
  width: 18px;
  height: 18px;
  z-index: 2;
}

.page-contact__map-pin-ring {
  position: absolute;
  top: 0;
  left: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--accent-primary);
  border-radius: 50%;
  animation: page-contact-pin-pulse 2.2s ease-out infinite;
}

.page-contact__map-pin-dot {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 14px;
  height: 14px;
  background: var(--accent-primary);
  border: 2px solid #ffffff;
  border-radius: 50%;
  box-shadow: 0 0 14px rgba(255, 107, 53, 0.7);
}

@keyframes page-contact-pin-pulse {
  0% {
    transform: scale(1);
    opacity: 0.85;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

.page-contact__map-label {
  position: absolute;
  left: 20px;
  bottom: 20px;
  z-index: 3;
  background: rgba(10, 14, 23, 0.85);
  border-left: 3px solid var(--accent-primary);
  padding: 8px 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--text-primary);
  border-radius: var(--radius-sm);
}

/* ===== 表单面板 ===== */
.page-contact__form-panel {
  padding: 32px;
}

.page-contact__form-title {
  font-family: var(--font-display);
  font-size: var(--fs-h3);
  margin-bottom: 8px;
}

.page-contact__form-intro {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 24px;
}

.page-contact__form {
  display: grid;
  gap: 16px;
}

.page-contact__field {
  display: grid;
  gap: 6px;
}

.page-contact__field label {
  font-family: var(--font-mono);
  font-size: var(--fs-index);
  color: var(--text-secondary);
  letter-spacing: 0.08em;
}

.page-contact__field input,
.page-contact__field select,
.page-contact__field textarea {
  width: 100%;
  background: var(--bg-deep);
  border: 1px solid var(--line-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 14px;
  box-sizing: border-box;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.page-contact__field textarea {
  resize: vertical;
  min-height: 96px;
}

.page-contact__field input:focus,
.page-contact__field select:focus,
.page-contact__field textarea:focus {
  outline: none;
  border-color: var(--accent-electric);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.1);
}

.page-contact__field input::placeholder,
.page-contact__field textarea::placeholder {
  color: rgba(148, 163, 184, 0.5);
}

.page-contact__submit-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  text-align: center;
}

.page-contact__form-note {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  line-height: 1.7;
  color: var(--text-secondary);
}

.page-contact__form-note a {
  color: var(--accent-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
  transition: border-color 0.2s ease;
}

.page-contact__form-note a:hover {
  border-color: var(--accent-primary);
}

/* ===== 备案信息 ===== */
.page-contact__icp-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 20px;
  padding: 28px 0;
  border-top: 1px solid var(--line-subtle);
}

.page-contact__icp-text {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--text-primary);
}

.page-contact__icp-dot {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--data-success);
}

.page-contact__icp-note {
  font-family: var(--font-body);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
}

.page-contact__icp-actions {
  display: flex;
  gap: 16px;
  margin-left: auto;
}

.page-contact__icp-actions a {
  font-family: var(--font-mono);
  font-size: var(--fs-caption);
  color: var(--text-secondary);
  text-decoration: none;
  border-bottom: 1px solid var(--line-subtle);
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.page-contact__icp-actions a:hover {
  color: var(--text-primary);
  border-color: var(--accent-primary);
}

/* ===== 响应式布局 ===== */
@media (min-width: 768px) {
  .page-contact__hero {
    padding-top: calc(var(--header-height) + 56px);
    padding-bottom: 72px;
  }

  .page-contact__channels-grid {
    grid-template-columns: 1.1fr 0.9fr;
    grid-template-areas:
      "email phone"
      "email address";
    gap: 24px;
  }

  .page-contact__channel-card--email {
    grid-area: email;
  }

  .page-contact__channel-card--phone {
    grid-area: phone;
  }

  .page-contact__channel-card--address {
    grid-area: address;
  }

  .page-contact__channel-card--email {
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 280px;
  }

  .page-contact__form-panel {
    padding: 40px;
  }
}

@media (min-width: 1024px) {
  .page-contact__hero {
    min-height: 560px;
    padding-top: calc(var(--header-height) + 72px);
    padding-bottom: 88px;
  }

  .page-contact__hero-grid {
    max-width: 720px;
  }

  .page-contact__hero-visual {
    display: block;
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 58%;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
  }

  .page-contact__map-layout {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

  .page-contact__map-panel {
    position: sticky;
    top: calc(var(--header-height) + 24px);
  }

  .page-contact__block-heading {
    font-size: var(--fs-h1);
  }
}