.page-contact {
  --contact-gutter: max(var(--space-4), calc((100vw - 1200px) / 2));
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
  overflow-x: hidden;
}

/* 首屏：联系入口 / 主通道 */
.contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6) 0;
  padding: var(--space-6) var(--contact-gutter) var(--space-7);
  background: linear-gradient(135deg, #0B1E3A 0%, #0D2138 60%, #081728 100%);
  position: relative;
}

.contact-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  position: relative;
  padding-left: var(--space-4);
}

.contact-breadcrumb::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35em;
  width: 2px;
  height: 1em;
  background: var(--color-orange);
}

.contact-breadcrumb__link {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.contact-breadcrumb__link:hover {
  color: var(--color-cyan);
}

.contact-breadcrumb__sep {
  color: var(--color-orange);
}

.contact-breadcrumb__current {
  color: var(--color-text);
}

.contact-hero__kicker {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  border: 1px solid rgba(0, 229, 255, 0.25);
  padding: var(--space-1) var(--space-2);
  margin-bottom: var(--space-4);
}

.contact-hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(1.9rem, 6vw, 3.2rem);
  font-style: italic;
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-5);
  max-width: 35rem;
}

.contact-hero h1 span {
  display: block;
  color: var(--color-orange);
}

.contact-hero__lead {
  max-width: 32rem;
  margin-bottom: var(--space-5);
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-line);
  color: var(--color-text-secondary);
  font-size: 0.938rem;
}

.contact-channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.contact-channel {
  display: block;
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-5);
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-cyan);
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.contact-channel:hover,
.contact-channel:focus-within {
  background: var(--color-panel-hover);
  transform: translateX(3px);
}

.contact-channel--phone {
  border-left-color: var(--color-orange);
}

.contact-channel__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-1);
}

.contact-channel__value {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3vw, 1.28rem);
  font-weight: 700;
  color: var(--color-text);
  text-decoration: none;
  letter-spacing: 0.01em;
  line-height: 1.5;
  overflow-wrap: anywhere;
  transition: color var(--transition-fast);
}

.contact-channel__value:hover {
  color: var(--color-cyan);
}

.contact-channel--phone .contact-channel__value:hover {
  color: var(--color-orange);
}

.contact-channel__meta {
  display: block;
  font-size: 0.813rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
  padding-left: var(--space-3);
  position: relative;
}

.contact-channel__meta::before {
  content: "›";
  position: absolute;
  left: 0;
  top: -1px;
  color: var(--color-orange);
}

.contact-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  margin-top: var(--space-5);
}

.contact-stats__cell {
  padding: var(--space-3) var(--space-1);
  text-align: center;
  border-right: 1px solid var(--color-line);
  min-width: 0;
}

.contact-stats__cell:last-child {
  border-right: none;
}

.contact-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--color-orange);
  line-height: 1.1;
  white-space: nowrap;
}

.contact-stats__label {
  display: block;
  font-size: 0.72rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-1);
}

/* 首屏右侧视觉 */
.contact-hero__visual {
  position: relative;
  min-height: 16rem;
}

.contact-visual__frame {
  position: absolute;
  inset: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  background: var(--color-panel);
}

.contact-visual__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.65) contrast(1.2);
}

.contact-visual__grid {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(0, 229, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, 0.1) 1px, transparent 1px);
  background-size: 34px 34px;
  pointer-events: none;
}

.contact-visual__scanline {
  position: absolute;
  left: 0;
  right: 0;
  top: 42%;
  height: 2px;
  background: linear-gradient(to right, transparent, var(--color-cyan), transparent);
  opacity: 0.5;
  pointer-events: none;
}

.contact-pulse {
  position: absolute;
  top: 46%;
  left: 32%;
  width: 9rem;
  height: 9rem;
  pointer-events: none;
}

.contact-pulse__core {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 12px;
  height: 12px;
  background: var(--color-orange);
  box-shadow: 0 0 18px var(--color-orange);
  transform: translate(-50%, -50%);
}

.contact-pulse__ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border-radius: 50%;
  border: 1px solid var(--color-cyan);
  transform: translate(-50%, -50%);
  animation: contact-ping 2.4s ease-out infinite;
}

.contact-pulse__ring--1 {
  width: 2rem;
  height: 2rem;
}

.contact-pulse__ring--2 {
  width: 4.5rem;
  height: 4.5rem;
  animation-delay: 0.6s;
}

.contact-pulse__ring--3 {
  width: 7rem;
  height: 7rem;
  animation-delay: 1.2s;
}

@keyframes contact-ping {
  0% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(0.45);
  }
  35% {
    opacity: 0.8;
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.6);
  }
}

.contact-visual__caption {
  position: absolute;
  left: var(--space-4);
  bottom: var(--space-4);
  font-size: 0.75rem;
  color: var(--color-text);
  background: rgba(11, 30, 58, 0.72);
  border: 1px solid rgba(0, 229, 255, 0.2);
  padding: var(--space-1) var(--space-2);
}

.contact-visual__tag {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  display: grid;
  gap: var(--space-1);
  text-align: right;
}

.contact-visual__tag-row {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.08em;
  color: var(--color-text);
  background: rgba(11, 30, 58, 0.7);
  border: 1px solid var(--color-line);
  padding: 2px var(--space-2);
}

.contact-visual__tag-row--dim {
  color: var(--color-cyan);
  border-color: rgba(0, 229, 255, 0.2);
}

/* 赛事咨询 / 商务合作 */
.contact-services {
  padding: var(--space-7) var(--contact-gutter);
  background: var(--color-bg);
  border-top: 1px solid var(--color-line);
}

.contact-section-head {
  margin-bottom: var(--space-6);
  max-width: 40rem;
}

.contact-section-head__index,
.contact-location__index,
.contact-response__index {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  border-left: 3px solid var(--color-orange);
  padding-left: var(--space-2);
  margin-bottom: var(--space-3);
}

.contact-section-head h2,
.contact-location h2,
.contact-response h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 3vw, 2.1rem);
  font-style: italic;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.2;
  margin: 0 0 var(--space-2);
}

.contact-section-head p,
.contact-location__lead,
.contact-response__lead {
  color: var(--color-text-secondary);
  font-size: 0.938rem;
  margin: 0;
}

.contact-services__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.contact-service-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  border-top: 3px solid var(--color-orange);
  padding: var(--space-5) var(--space-5) var(--space-6);
  min-height: 14rem;
  transition: transform var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
}

.contact-service-card:hover {
  transform: translateY(-4px);
  border-top-color: var(--color-cyan);
  background: var(--color-panel-hover);
}

.contact-service-card__num {
  position: absolute;
  top: var(--space-3);
  right: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-secondary);
  letter-spacing: 0.05em;
}

.contact-service-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-style: italic;
  font-weight: 700;
  margin: 0 0 var(--space-3);
}

.contact-service-card p {
  color: var(--color-text-secondary);
  font-size: 0.875rem;
  flex: 1;
  margin: 0;
}

.contact-service-card__mail {
  display: inline-block;
  align-self: flex-start;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.813rem;
  font-weight: 700;
  color: var(--color-cyan);
  text-decoration: none;
  border: 1px solid var(--color-line);
  padding: var(--space-1) var(--space-3);
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.contact-service-card__mail:hover {
  background: var(--color-cyan);
  color: var(--color-bg);
  border-color: var(--color-cyan);
}

/* 通讯信息 / 地址说明 */
.contact-location {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-7) var(--contact-gutter);
  border-top: 1px solid var(--color-line);
  background: #0E223A;
}

.contact-location__address {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(1.05rem, 3vw, 1.35rem);
  font-style: normal;
  font-weight: 700;
  color: var(--color-text);
  line-height: 1.6;
  border-left: 3px solid var(--color-orange);
  padding-left: var(--space-4);
  margin: var(--space-5) 0 var(--space-3);
  letter-spacing: 0.02em;
}

.contact-location__note {
  font-size: 0.813rem;
  color: var(--color-text-secondary);
  border: 1px dashed var(--color-line);
  padding: var(--space-3) var(--space-4);
  margin: 0 0 var(--space-4);
}

.contact-location__details {
  border: 1px solid var(--color-line);
  background: var(--color-panel);
}

.contact-location__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text);
  transition: background var(--transition-fast);
}

.contact-location__summary::-webkit-details-marker {
  display: none;
}

.contact-location__summary:hover {
  background: var(--color-panel-hover);
}

.contact-location__summary-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--color-cyan);
  transition: transform var(--transition-fast);
}

.contact-location__details[open] .contact-location__summary-icon {
  transform: rotate(45deg);
  color: var(--color-orange);
}

.contact-location__usage {
  border-top: 1px solid var(--color-line);
  padding: var(--space-4) var(--space-4) var(--space-4) var(--space-6);
}

.contact-location__usage ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

.contact-location__usage li {
  position: relative;
  padding-left: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.contact-location__usage li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: var(--color-orange);
}

.contact-location__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.contact-location__map {
  position: relative;
  aspect-ratio: 4 / 3;
  background: var(--color-panel);
  border: 1px solid var(--color-line);
  overflow: hidden;
}

.contact-location__road {
  position: absolute;
  background: rgba(0, 229, 255, 0.14);
}

.contact-location__road--h1 {
  top: 30%;
  left: 0;
  width: 100%;
  height: 2px;
}

.contact-location__road--h2 {
  top: 64%;
  left: 0;
  width: 68%;
  height: 1px;
}

.contact-location__road--v1 {
  left: 36%;
  top: 0;
  width: 2px;
  height: 100%;
}

.contact-location__road--v2 {
  left: 74%;
  top: 0;
  width: 1px;
  height: 74%;
}

.contact-location__block {
  position: absolute;
  background: rgba(18, 42, 74, 0.7);
  border: 1px solid rgba(42, 74, 106, 0.55);
}

.contact-location__block--b1 {
  top: 6%;
  left: 8%;
  width: 18%;
  height: 14%;
}

.contact-location__block--b2 {
  top: 8%;
  left: 48%;
  width: 22%;
  height: 12%;
}

.contact-location__block--b3 {
  top: 76%;
  left: 12%;
  width: 20%;
  height: 14%;
}

.contact-location__block--b4 {
  top: 80%;
  left: 62%;
  width: 26%;
  height: 12%;
}

.contact-location__pin {
  position: absolute;
  top: 52%;
  left: 60%;
  width: 2rem;
  height: 2rem;
  transform: translate(-50%, -50%);
  display: grid;
  place-items: center;
}

.contact-location__pin-core {
  position: relative;
  width: 10px;
  height: 10px;
  background: var(--color-orange);
  box-shadow: 0 0 16px rgba(255, 107, 0, 0.65);
  z-index: 1;
}

.contact-location__pin-ring {
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-orange);
  border-radius: 50%;
  animation: contact-ping 1.8s ease-out infinite;
}

.contact-location__abstract-label {
  position: absolute;
  left: var(--space-3);
  bottom: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  border: 1px solid var(--color-line);
  background: rgba(11, 30, 58, 0.6);
  padding: 2px var(--space-2);
}

.contact-location__ref {
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.12em;
  color: var(--color-cyan);
  text-align: right;
}

/* 回复时效与服务边界 */
.contact-response {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  padding: var(--space-7) var(--contact-gutter);
  border-top: 1px solid var(--color-line);
  background: var(--color-bg);
}

.contact-response__lead strong {
  color: var(--color-orange);
}

.contact-response__channel {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-cyan);
  background: var(--color-panel);
  padding: var(--space-4);
  margin-top: var(--space-4);
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.contact-response__channel:hover {
  background: var(--color-panel-hover);
  border-left-color: var(--color-orange);
}

.contact-response__channel-arrow {
  font-family: var(--font-mono);
  color: var(--color-orange);
  font-size: 1.1rem;
  line-height: 1.4;
  flex: 0 0 auto;
}

.contact-response__channel-body {
  min-width: 0;
}

.contact-response__channel h3 {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 2px;
}

.contact-response__channel-mail {
  font-family: var(--font-mono);
  font-size: 0.938rem;
  font-weight: 700;
  color: var(--color-cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color var(--transition-fast);
}

.contact-response__channel-mail:hover {
  color: var(--color-orange);
  text-decoration: underline;
}

.contact-response__channel-body p {
  font-size: 0.813rem;
  color: var(--color-text-secondary);
  margin: var(--space-2) 0 0;
}

.contact-response__aside {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-response__clock {
  position: relative;
  border: 1px solid var(--color-line);
  overflow: hidden;
  background: var(--color-panel);
}

.contact-response__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.8) contrast(1.1) brightness(0.9);
}

.contact-response__timer {
  position: absolute;
  right: var(--space-4);
  bottom: var(--space-4);
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(11, 30, 58, 0.85);
  border: 1px solid rgba(255, 107, 0, 0.6);
}

.contact-response__timer-num {
  font-family: var(--font-mono);
  font-size: 2.4rem;
  font-weight: 800;
  line-height: 1;
  color: var(--color-orange);
}

.contact-response__timer-unit {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-text);
}

.contact-response__scanline {
  position: absolute;
  left: 0;
  right: 0;
  top: 18%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--color-cyan), transparent);
  opacity: 0.45;
  pointer-events: none;
}

.contact-response__routes {
  border: 1px solid var(--color-line);
  background: var(--color-panel);
  padding: var(--space-4) var(--space-5);
}

.contact-response__routes-title {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.688rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-3);
}

.contact-response__routes ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-2);
}

.contact-response__routes li {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  padding-left: var(--space-4);
  position: relative;
}

.contact-response__routes li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--color-orange);
}

.contact-response__routes a {
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
  transition: color var(--transition-fast), border-color var(--transition-fast);
}

.contact-response__routes a:hover {
  color: var(--color-cyan);
  border-bottom-color: var(--color-cyan);
}

/* 底部信任声明 */
.contact-trust {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--contact-gutter);
  background: var(--color-panel);
  border-top: 1px solid var(--color-line);
  color: var(--color-text-secondary);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
}

.page-contact .contact-trust .pulse-dot {
  flex: 0 0 auto;
}

@media (min-width: 900px) {
  .contact-hero {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: var(--space-8);
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    align-items: center;
  }

  .contact-hero__visual {
    min-height: 34rem;
  }

  .contact-services {
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
  }

  .contact-services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
  }

  .contact-location {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: var(--space-7);
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    align-items: start;
  }

  .contact-response {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    gap: var(--space-7);
    padding-top: var(--space-8);
    padding-bottom: var(--space-8);
    align-items: start;
  }

  .contact-channels {
    gap: var(--space-4);
  }

  .contact-trust {
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-pulse__ring,
  .contact-location__pin-ring {
    animation: none;
  }
}