.page-contact {
  --cut-size: 24px;
  --cut-small: 18px;
  --dash-orange: 2px dashed rgba(255, 138, 0, 0.72);
  background: var(--color-white);
  color: var(--color-dark-gray);
  overflow-x: clip;
}

/* ========== HERO ========== */
.page-contact .contact-hero {
  position: relative;
  background:
    linear-gradient(120deg, rgba(255, 77, 0, 0.28) 0%, transparent 38%),
    radial-gradient(circle at 84% 12%, rgba(74, 111, 165, 0.42) 0%, transparent 46%),
    var(--color-dark);
  color: var(--color-white);
  padding: clamp(2rem, 6vw, 4rem) clamp(1.25rem, 5vw, 4rem) clamp(3rem, 8vw, 6.5rem);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 44px), 0 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(176, 181, 189, 0.09) 1px, transparent 1px),
    linear-gradient(90deg, rgba(176, 181, 189, 0.09) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--content-max);
  margin: 0 auto;
  display: grid;
  gap: 2rem;
}

.page-contact .breadcrumb-wrap .breadcrumb {
  margin: 0 0 2.5rem;
}

.page-contact .breadcrumb-wrap .breadcrumb-item a {
  color: var(--color-silver);
}

.page-contact .breadcrumb-wrap .breadcrumb-item[aria-current="page"] {
  color: var(--color-primary-bright);
}

.page-contact .contact-hero-copy {
  max-width: 68ch;
}

.page-contact .contact-hero-kicker {
  font-family: var(--font-number);
  font-size: 0.78rem;
  letter-spacing: 0.24em;
  color: var(--color-primary-bright);
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 6vw, 3.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 1rem;
}

.page-contact .contact-hero-lead {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.88);
  margin: 0;
  overflow-wrap: anywhere;
}

.page-contact .contact-hero-lead a {
  color: var(--color-white);
  font-family: var(--font-number);
  font-size: 1em;
  border-bottom: 2px solid var(--color-primary);
  text-decoration: none;
}

.page-contact .contact-coordinate {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  justify-self: start;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.55rem 0.9rem;
  border-left: 4px solid var(--color-primary);
}

.page-contact .contact-coord-label {
  font-family: var(--font-number);
  font-size: 0.82rem;
  color: var(--color-white);
  white-space: nowrap;
}

.page-contact .contact-coord-axis {
  width: 46px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
}

.page-contact .contact-coord-status {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-silver);
}

/* ========== SECTION HEAD ========== */
.page-contact .contact-section-head {
  margin-bottom: 2rem;
}

.page-contact .contact-section-head h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 3.4vw, 2.4rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0.3rem 0 0.8rem;
}

.page-contact .contact-index {
  font-family: var(--font-number);
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--color-primary);
  text-transform: uppercase;
  margin: 0 0 0.4rem;
}

.page-contact .contact-index::before {
  content: "▸ ";
  color: var(--color-primary-bright);
}

.page-contact .contact-section-note {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--color-dark-gray);
  max-width: 72ch;
  margin: 0;
}

.page-contact .contact-section-head-dark h2 {
  color: var(--color-white);
}

.page-contact .contact-section-head-dark .contact-section-note {
  color: rgba(255, 255, 255, 0.78);
}

.page-contact .contact-index-light {
  color: var(--color-primary-bright);
}

.page-contact .contact-index-light::before {
  color: var(--color-primary);
}

/* ========== 01 联络方式 ========== */
.page-contact .contact-channels {
  background: var(--color-white);
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.page-contact .contact-signal-frame {
  position: relative;
  margin: 2.5rem 0 1rem;
}

.page-contact .contact-signal-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-signal-frame figcaption {
  margin-top: 0.5rem;
  font-family: var(--font-number);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--color-light-blue);
  text-transform: uppercase;
}

.page-contact .contact-channel-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.page-contact .contact-channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  background: var(--color-dark);
  color: var(--color-white);
  padding: 1.75rem 1.4rem 1.9rem;
  text-decoration: none;
  transition: transform var(--transition-speed) ease, background var(--transition-speed) ease;
}

.page-contact .contact-channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary) 0 62%, var(--color-primary-bright) 62% 100%);
}

.page-contact .contact-channel-card::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--cut-small);
  height: var(--cut-small);
  background: var(--color-off-white);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-contact .contact-channel-card:hover {
  transform: translateY(-4px);
}

.page-contact .contact-channel-card:hover::before {
  background: linear-gradient(90deg, var(--color-primary-bright) 0 62%, var(--color-primary) 62% 100%);
}

.page-contact .contact-channel-index {
  font-family: var(--font-number);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--color-primary-bright);
  text-transform: uppercase;
}

.page-contact .contact-channel-icon {
  color: var(--color-primary);
  margin-top: 0.2rem;
}

.page-contact .contact-channel-label {
  font-size: 0.85rem;
  color: var(--color-silver);
  margin-top: 0.5rem;
}

.page-contact .contact-channel-value {
  font-family: var(--font-number);
  font-size: clamp(0.9rem, 1.8vw, 1.05rem);
  line-height: 1.5;
  color: var(--color-white);
  word-break: break-all;
  overflow-wrap: anywhere;
}

.page-contact .contact-channel-hint {
  font-size: 0.78rem;
  color: var(--color-light-blue);
}

/* 地址弹层 */
.page-contact .contact-address-pop {
  position: absolute;
  left: 1rem;
  right: 1rem;
  bottom: calc(100% + 6px);
  background: var(--color-off-white);
  color: var(--color-dark-gray);
  padding: 1rem 1rem 1.1rem;
  border-left: 4px solid var(--color-primary);
  box-shadow: 0 12px 24px rgba(10, 27, 61, 0.22);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity var(--transition-speed) ease, transform var(--transition-speed) ease, visibility var(--transition-speed) ease;
  z-index: 6;
}

.page-contact .contact-pop-title {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.1rem;
  color: var(--color-dark);
}

.page-contact .contact-pop-meta {
  display: block;
  font-size: 0.8rem;
  color: var(--color-light-blue);
  margin-top: 0.2rem;
}

.page-contact .contact-pop-grid {
  display: grid;
  grid-template-columns: repeat(6, 10px);
  gap: 5px;
  margin-top: 0.75rem;
}

.page-contact .contact-pop-grid span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-silver);
}

.page-contact .contact-pop-grid .contact-pop-marker {
  background: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(255, 77, 0, 0.2);
}

.page-contact .contact-channel-address:hover .contact-address-pop,
.page-contact .contact-channel-address:focus-within .contact-address-pop {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ========== 02 服务时间 ========== */
.page-contact .contact-service {
  position: relative;
  background: var(--color-dark);
  color: var(--color-white);
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.page-contact .contact-service::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44%;
  height: 6px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-bright));
}

.page-contact .contact-service-layout {
  display: grid;
  gap: 2.5rem;
}

.page-contact .contact-response-list {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  background: rgba(255, 255, 255, 0.04);
}

.page-contact .contact-response-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid rgba(176, 181, 189, 0.18);
}

.page-contact .contact-response-item:last-child {
  border-bottom: 0;
}

.page-contact .contact-response-dot {
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  transform: rotate(45deg);
}

.page-contact .contact-response-label {
  font-size: 0.95rem;
  color: rgba(255, 255, 255, 0.82);
}

.page-contact .contact-response-time {
  font-family: var(--font-number);
  font-size: 0.98rem;
  color: var(--color-primary-bright);
  white-space: nowrap;
}

.page-contact .contact-map-frame {
  position: relative;
}

.page-contact .contact-map-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .contact-map-marker {
  position: absolute;
  top: 1rem;
  right: 1rem;
  font-family: var(--font-number);
  font-size: 0.78rem;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 0.25rem 0.5rem;
}

.page-contact .contact-map-caption {
  font-size: 0.82rem;
  color: var(--color-silver);
  margin: 0.5rem 0 1.4rem;
}

.page-contact .contact-reach-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.page-contact .contact-reach-stats li {
  background: rgba(255, 255, 255, 0.06);
  padding: 0.85rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.page-contact .contact-stat-num {
  font-family: var(--font-number);
  font-size: 1.5rem;
  line-height: 1;
  color: var(--color-primary);
}

.page-contact .contact-stat-desc {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.72);
}

/* ========== 03 合作洽谈 ========== */
.page-contact .contact-cooperation {
  background: var(--color-white);
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.page-contact .contact-coop-grid {
  display: grid;
  gap: 1.25rem;
  margin-top: 2rem;
}

.page-contact .contact-coop-card {
  --cut2: 22px;
  position: relative;
  clip-path: polygon(0 0, calc(100% - var(--cut2)) 0, 100% var(--cut2), 100% 100%, 0 100%);
  background: var(--color-off-white);
  padding: 2rem 1.5rem 1.8rem;
}

.page-contact .contact-coop-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 5px;
  height: 100%;
  background: var(--color-primary);
}

.page-contact .contact-coop-no {
  font-family: var(--font-number);
  font-size: 0.78rem;
  color: var(--color-light-blue);
  letter-spacing: 0.14em;
}

.page-contact .contact-coop-card h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  letter-spacing: -0.01em;
  color: var(--color-dark);
  margin: 0.6rem 0 0.8rem;
}

.page-contact .contact-coop-card p {
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--color-dark-gray);
  margin: 0 0 1.2rem;
}

.page-contact .contact-coop-link {
  display: inline-block;
  font-family: var(--font-number);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.15rem;
  transition: color var(--transition-speed) ease, border-color var(--transition-speed) ease;
}

.page-contact .contact-coop-link:hover {
  color: var(--color-primary-bright);
  border-color: var(--color-primary-bright);
}

/* ========== 04 反馈与投诉 ========== */
.page-contact .contact-feedback {
  background: var(--color-off-white);
  padding-top: 4rem;
  padding-bottom: 4.5rem;
}

.page-contact .contact-feedback-panel {
  --cut3: 28px;
  display: grid;
  gap: 2rem;
  background: var(--color-dark);
  color: var(--color-white);
  padding: clamp(2rem, 6vw, 4rem);
  clip-path: polygon(0 0, calc(100% - var(--cut3)) 0, 100% var(--cut3), 100% 100%, 0 100%);
}

.page-contact .contact-feedback-copy h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3.4vw, 2.2rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0.3rem 0 0.8rem;
}

.page-contact .contact-feedback-copy p {
  font-size: 0.95rem;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.8);
  max-width: 60ch;
  margin: 0 0 1.4rem;
}

.page-contact .contact-feedback-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  justify-content: center;
}

.page-contact .contact-feedback-note {
  font-size: 0.82rem;
  color: var(--color-silver);
  max-width: 32ch;
}

/* ========== 服务信任带 ========== */
.page-contact .contact-trust {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 1.5rem 0;
}

.page-contact .contact-trust-row {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  align-items: flex-start;
}

.page-contact .contact-trust-copy {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
  max-width: 46ch;
}

.page-contact .contact-trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.page-contact .contact-trust-links a {
  color: var(--color-dark);
  font-size: 0.9rem;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid rgba(26, 26, 26, 0.4);
}

/* ========== 计算横幅 / 视觉节奏 ========== */
.page-contact .contact-service {
  background-image:
    linear-gradient(90deg, rgba(255, 77, 0, 0.05) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-contact .contact-feedback-panel {
  background-image:
    linear-gradient(120deg, rgba(255, 77, 0, 0.16) 0%, transparent 30%),
    radial-gradient(circle at 90% 20%, rgba(74, 111, 165, 0.35), transparent 38%),
    var(--color-dark);
}

/* ========== DESKTOP ========== */
@media (min-width: 56rem) {

  .page-contact .contact-hero-inner {
    grid-template-columns: 1fr auto;
    align-items: end;
    gap: 3rem;
  }

  .page-contact .contact-hero-copy {
    max-width: 72ch;
  }

  .page-contact .contact-coordinate {
    margin-bottom: 0.4rem;
    background: transparent;
    padding-right: 0;
  }

  .page-contact .contact-channel-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
  }

  .page-contact .contact-channel-grid::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 16%;
    right: 16%;
    border-top: var(--dash-orange);
    z-index: 0;
  }

  .page-contact .contact-channel-card {
    z-index: 1;
  }

  .page-contact .contact-service-layout {
    grid-template-columns: 7fr 5fr;
    align-items: start;
    gap: 3rem;
  }

  .page-contact .contact-coop-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.4rem;
  }

  .page-contact .contact-feedback-panel {
    grid-template-columns: 7fr 5fr;
  }

  .page-contact .contact-feedback-actions {
    align-items: flex-end;
  }

  .page-contact .contact-trust-row {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

/* ========== REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-channel-card,
  .page-contact .contact-address-pop {
    transition: none;
  }

  .page-contact .contact-channel-card:hover {
    transform: none;
  }
}