.page-contact {
  --contact-red: #E63946;
  --contact-red-soft: #FF6B6B;
  --contact-deep: #0D0D0D;
  --contact-ink: #1D1D1D;
  --contact-silver: #C0C0C0;
  --contact-green: #39FF14;
  --contact-paper: #F5F1E8;
  --contact-paper-highlight: #FFF9ED;
  --contact-dark-surface: #2A2A2A;
  --contact-border: #3A3A3A;
  --contact-font-headline: "Noto Sans SC Black", "DIN Condensed", "Arial Narrow", sans-serif;
  --contact-font-body: "Noto Sans SC", "Microsoft YaHei", sans-serif;
  --contact-font-data: "JetBrains Mono", "Roboto Mono", "SFMono-Regular", monospace;
  --contact-font-editorial: "Noto Serif SC", "Source Han Serif SC", serif;

  background: var(--contact-deep);
  color: var(--contact-paper);
  counter-reset: contact-section;
  overflow-x: hidden;
}

.page-contact a {
  color: inherit;
  transition: color 0.2s ease;
}

.page-contact .breadcrumb {
  margin-bottom: 2.5rem;
  font-family: var(--contact-font-data);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--contact-silver);
}

.page-contact .breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--contact-red);
  font-weight: 700;
}

.page-contact .breadcrumb a:hover {
  color: var(--contact-red);
}

.contact-hero {
  position: relative;
  padding: 2.5rem 1.25rem 3.5rem;
  background:
    linear-gradient(135deg, rgba(230, 57, 70, 0.12) 0%, rgba(13, 13, 13, 0) 48%),
    var(--contact-deep);
  border-bottom: 1px solid var(--contact-border);
}

.contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(192, 192, 192, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 192, 192, 0.06) 1px, transparent 1px);
  background-size: 24px 24px;
  pointer-events: none;
}

.contact-hero-inner {
  position: relative;
  max-width: 1280px;
  margin: 0 auto;
}

.contact-hero-grid {
  display: grid;
  gap: 2.5rem;
}

.contact-hero-main {
  max-width: 760px;
}

.contact-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.25rem;
  font-family: var(--contact-font-data);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--contact-green);
}

.contact-kicker::before {
  content: "";
  width: 32px;
  height: 2px;
  background: var(--contact-green);
  opacity: 0.7;
}

.contact-hero-main h1 {
  margin: 0 0 1.5rem;
  font-family: var(--contact-font-headline);
  font-size: clamp(2.1rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.01em;
  text-transform: none;
  color: var(--contact-paper);
}

.contact-lead {
  margin: 0;
  font-family: var(--contact-font-body);
  font-size: 1rem;
  line-height: 1.8;
  color: rgba(245, 241, 232, 0.82);
  max-width: 640px;
}

.contact-hero-aside {
  display: none;
}

.pitlane-lane {
  position: absolute;
  left: -10%;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(230, 57, 70, 0.45), transparent);
  opacity: 0.35;
}

.pitlane-lane-1 { top: 22%; transform: rotate(2deg); }
.pitlane-lane-2 { top: 48%; transform: rotate(-1.5deg); }
.pitlane-lane-3 { bottom: 28%; transform: rotate(1.2deg); }
.pitlane-lane-4 { bottom: 12%; transform: rotate(-0.6deg); }

.pitlane-checker {
  position: absolute;
  top: 0;
  right: 4%;
  width: 96px;
  height: 96px;
  background:
    repeating-conic-gradient(var(--contact-paper) 0% 25%, var(--contact-deep) 0% 50%) 0 0 / 16px 16px;
  border: 1px solid rgba(230, 57, 70, 0.6);
  opacity: 0.18;
  clip-path: polygon(0 0, 100% 0, 78% 100%, 0 86%);
}

.contact-section-grid {
  display: grid;
  gap: 1px;
  background: var(--contact-border);
  border-bottom: 1px solid var(--contact-border);
}

.contact-panel {
  background: var(--contact-deep);
  padding: 2.5rem 1.25rem;
  position: relative;
}

.contact-panel-primary {
  background:
    linear-gradient(135deg, rgba(230, 57, 70, 0.16) 0%, rgba(13, 13, 13, 0) 46%),
    var(--contact-deep);
}

.contact-panel-secondary {
  background:
    linear-gradient(45deg, rgba(192, 192, 192, 0.08) 0%, rgba(13, 13, 13, 0) 52%),
    var(--contact-deep);
}

.contact-panel-index {
  font-family: var(--contact-font-data);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--contact-red);
  letter-spacing: 0.12em;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-panel-index::after {
  content: "";
  flex: 1;
  max-width: 64px;
  height: 1px;
  background: var(--contact-red);
  opacity: 0.5;
}

.contact-panel-body {
  max-width: 720px;
}

.contact-panel h2 {
  margin: 0 0 0.75rem;
  font-family: var(--contact-font-headline);
  font-size: clamp(1.7rem, 3.2vw, 2.6rem);
  font-weight: 900;
  line-height: 1.1;
  color: var(--contact-paper);
}

.contact-panel-desc {
  margin: 0 0 2rem;
  font-family: var(--contact-font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.72);
  max-width: 560px;
}

.contact-data-row {
  border-top: 1px solid rgba(192, 192, 192, 0.22);
  padding: 1.6rem 0;
  display: grid;
  gap: 0.6rem;
  max-width: 640px;
}

.contact-data-label {
  font-family: var(--contact-font-data);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--contact-silver);
}

.contact-data-value {
  font-family: var(--contact-font-data);
  font-size: clamp(1.25rem, 3vw, 2rem);
  font-weight: 700;
  color: var(--contact-paper);
  text-decoration: none;
  border-bottom: 3px solid var(--contact-red);
  padding-bottom: 0.15rem;
  width: fit-content;
  max-width: 100%;
  word-break: break-all;
  line-height: 1.35;
}

.contact-data-value:hover {
  color: var(--contact-red-soft);
  border-bottom-color: var(--contact-red-soft);
}

.contact-data-text {
  font-family: var(--contact-font-body);
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--contact-paper);
}

.contact-copy-hint {
  font-family: var(--contact-font-data);
  font-size: 0.78rem;
  color: var(--contact-silver);
  letter-spacing: 0.06em;
}

.contact-phone-flex {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
}

.contact-phone-icon {
  color: var(--contact-red);
  animation: contact-phone-erotation 8s linear infinite;
}

@keyframes contact-phone-erotation {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.contact-panel-note {
  margin: 1.2rem 0 0;
  font-family: var(--contact-font-body);
  font-size: 0.85rem;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.62);
  max-width: 560px;
  border-left: 3px solid var(--contact-red);
  padding-left: 1rem;
}

.contact-map-section {
  padding: 3rem 1.25rem;
  background:
    linear-gradient(rgba(192, 192, 192, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(192, 192, 192, 0.04) 1px, transparent 1px),
    var(--contact-ink);
  background-size: 32px 32px;
  display: grid;
  gap: 2rem;
}

.contact-map-copy {
  position: relative;
}

.contact-address {
  margin: 1rem 0;
  font-family: var(--contact-font-data);
  font-size: clamp(1.1rem, 2.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--contact-paper);
  letter-spacing: 0.02em;
  padding: 0.6rem 0 0.6rem 1rem;
  border-left: 4px solid var(--contact-green);
}

.contact-address-note {
  margin: 1rem 0 0;
  font-family: var(--contact-font-body);
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.7);
  max-width: 540px;
}

.contact-map-media {
  margin: 0;
  position: relative;
  border: 1px solid rgba(192, 192, 192, 0.25);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 24px), calc(100% - 24px) 100%, 0 100%);
}

.contact-map-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 3 / 2;
  filter: saturate(0.85) contrast(1.05);
}

.contact-map-caption {
  position: absolute;
  left: 0;
  bottom: 24px;
  background: rgba(13, 13, 13, 0.88);
  color: var(--contact-paper);
  font-family: var(--contact-font-data);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.45rem 1rem;
  border-left: 3px solid var(--contact-red);
}

.contact-routing {
  padding: 3rem 1.25rem;
  background: var(--contact-deep);
  border-top: 1px solid var(--contact-border);
}

.contact-routing-header {
  margin-bottom: 2.5rem;
}

.contact-routing h2 {
  margin: 0 0 0.75rem;
  font-family: var(--contact-font-headline);
  font-size: clamp(1.8rem, 3.4vw, 2.8rem);
  font-weight: 900;
  line-height: 1.08;
  color: var(--contact-paper);
}

.contact-routing-desc {
  margin: 0;
  font-family: var(--contact-font-body);
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(245, 241, 232, 0.72);
  max-width: 600px;
}

.contact-route-track {
  display: grid;
  gap: 1px;
  background: rgba(192, 192, 192, 0.18);
  border: 1px solid rgba(192, 192, 192, 0.18);
}

.contact-route-node {
  background: var(--contact-deep);
  padding: 1.5rem 1.25rem;
  position: relative;
  transition: background 0.25s ease;
}

.contact-route-node:hover {
  background: rgba(230, 57, 70, 0.08);
}

.route-node-code {
  display: inline-block;
  font-family: var(--contact-font-data);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--contact-green);
  border: 1px solid rgba(57, 255, 20, 0.4);
  padding: 0.25rem 0.6rem;
  margin-bottom: 0.9rem;
}

.contact-route-node h3 {
  margin: 0 0 0.5rem;
  font-family: var(--contact-font-body);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.45;
  color: var(--contact-paper);
}

.contact-route-node p {
  margin: 0 0 0.9rem;
  font-family: var(--contact-font-body);
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(245, 241, 232, 0.68);
}

.route-node-target {
  display: block;
  font-family: var(--contact-font-data);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--contact-red-soft);
  letter-spacing: 0.02em;
  word-break: break-all;
}

.contact-support-note {
  display: grid;
  gap: 1px;
  background: rgba(192, 192, 192, 0.18);
  border-top: 1px solid rgba(192, 192, 192, 0.18);
}

.contact-support-card {
  background: var(--contact-ink);
  padding: 2rem 1.25rem;
}

.support-card-label {
  margin: 0 0 0.6rem;
  font-family: var(--contact-font-data);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--contact-red);
}

.support-card-text {
  margin: 0;
  font-family: var(--contact-font-body);
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(245, 241, 232, 0.78);
  max-width: 620px;
}

@media (min-width: 640px) {
  .contact-hero {
    padding: 3.5rem 2rem 4.5rem;
  }

  .contact-panel {
    padding: 3.5rem 2rem;
  }

  .contact-panel-index {
    font-size: 0.95rem;
  }

  .contact-route-track {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-route-node {
    padding: 2rem 1.8rem;
  }

  .contact-support-note {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-support-card {
    padding: 2.5rem 2rem;
  }

  .contact-map-section {
    padding: 4rem 2rem;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    align-items: center;
    gap: 3rem;
  }
}

@media (min-width: 1024px) {
  .contact-hero {
    padding: 4rem 2.5rem 5.5rem;
  }

  .contact-hero-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 0.6fr);
    align-items: end;
    gap: 3rem;
  }

  .contact-hero-main h1 {
    max-width: 880px;
  }

  .contact-hero-aside {
    display: flex;
    justify-content: flex-end;
    align-items: center;
  }

  .finish-line {
    position: relative;
    width: 128px;
    height: 128px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background:
      repeating-conic-gradient(var(--contact-paper) 0% 25%, var(--contact-deep) 0% 50%) 0 0 / 20px 20px;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 12px calc(100% - 12px), 0 calc(100% - 12px));
    border: 2px solid var(--contact-red);
    transform: skewX(-6deg);
  }

  .finish-line::after {
    content: "";
    position: absolute;
    inset: 6px;
    background: transparent;
    border: 1px solid rgba(230, 57, 70, 0.85);
    pointer-events: none;
  }

  .finish-flag {
    font-family: var(--contact-font-headline);
    font-size: 2.4rem;
    font-weight: 900;
    color: var(--contact-red);
    line-height: 1;
    transform: skewX(6deg);
    position: relative;
    z-index: 1;
  }

  .finish-race {
    font-family: var(--contact-font-data);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.38em;
    color: var(--contact-deep);
    transform: skewX(6deg);
    position: relative;
    z-index: 1;
    background: var(--contact-paper);
    padding: 0.15rem 0.4rem;
    margin-top: 0.4rem;
  }

  .contact-section-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-panel {
    padding: 4rem 2.5rem;
  }

  .contact-routing {
    padding: 4.5rem 2.5rem;
  }

  .contact-route-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .contact-map-section {
    padding: 5rem 2.5rem;
  }
}

@media (min-width: 1200px) {
  .contact-hero-inner {
    padding: 0 2rem;
  }

  .contact-panel {
    padding: 4.5rem 3.5rem;
  }

  .contact-routing {
    padding: 5rem 3.5rem;
  }

  .contact-map-section {
    padding: 5.5rem 3.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .contact-phone-icon {
    animation: none;
  }

  .contact-route-node,
  .contact-panel,
  .contact-data-value {
    transition: none;
  }
}