.page-contact {
  --contact-gold-glow: rgba(212, 175, 55, 0.22);
  --contact-red-glow: rgba(230, 57, 70, 0.18);
  --contact-panel-radius: 24px;
  background: var(--c-deep);
  color: var(--c-ice);
  overflow-x: hidden;
}

.page-contact .container {
  width: min(1200px, 100% - 2rem);
  margin-inline: auto;
}

.page-contact .btn-gold,
.page-contact .btn-outline,
.page-contact .btn-ghost {
  border-radius: 999px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  padding: 0.8rem 1.5rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.page-contact .btn-gold {
  background: linear-gradient(135deg, var(--c-gold), var(--c-amber));
  color: var(--c-deep);
  border: 1px solid rgba(255, 255, 255, 0.15);
  box-shadow: 0 8px 24px rgba(212, 175, 55, 0.28);
}

.page-contact .btn-outline {
  border: 1px solid var(--c-border);
  color: var(--c-ice);
  background: rgba(10, 20, 40, 0.4);
}

.page-contact .btn-ghost {
  border: 1px solid rgba(234, 243, 255, 0.35);
  color: var(--c-ice);
  background: transparent;
}

.page-contact .btn-gold:hover {
  box-shadow: 0 12px 32px rgba(212, 175, 55, 0.4);
  transform: translateY(-2px);
}

.page-contact .btn-outline:hover,
.page-contact .btn-ghost:hover {
  border-color: var(--c-gold);
  color: var(--c-gold);
  background: rgba(212, 175, 55, 0.06);
}

.page-contact .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  font-size: 0.85rem;
  color: var(--c-mist);
  letter-spacing: 0.04em;
}

.page-contact .breadcrumb a {
  color: var(--c-mist);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.page-contact .contact-hero {
  position: relative;
  padding: 3.5rem 0 5.5rem;
  background:
    radial-gradient(1100px 480px at 85% -40px, rgba(27, 58, 107, 0.85), transparent 60%),
    radial-gradient(900px 400px at -15% 110%, rgba(212, 175, 55, 0.18), transparent 55%),
    var(--c-deep);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(42, 75, 124, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 75, 124, 0.12) 1px, transparent 1px);
  background-size: 44px 44px;
  pointer-events: none;
}

.page-contact .hero-inner {
  position: relative;
  display: grid;
  gap: 2.5rem;
}

.page-contact .hero-kicker {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.22em;
  color: var(--c-gold);
  margin: 0 0 1.2rem;
  text-transform: uppercase;
}

.page-contact .kicker-line {
  width: 56px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-gold), transparent);
  border-radius: 2px;
}

.page-contact .kicker-note {
  color: var(--c-mist);
  font-family: var(--font-body);
}

.page-contact .hero-main h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.2rem, 6vw, 4.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 1.5rem;
  color: var(--c-ice);
}

.page-contact .hero-main h1::after {
  content: "/05";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-gold);
  letter-spacing: 0.2em;
  margin-top: 1rem;
}

.page-contact .hero-lead {
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.8;
  color: var(--c-mist);
  max-width: 640px;
  margin: 0 0 2rem;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.page-contact .hero-panel {
  position: relative;
  background: linear-gradient(145deg, rgba(27, 58, 107, 0.85), rgba(10, 20, 40, 0.9));
  border: 1px solid var(--c-border);
  border-radius: var(--contact-panel-radius);
  padding: 1.75rem 1.75rem 1.5rem;
  backdrop-filter: blur(8px);
  overflow: hidden;
}

.page-contact .hero-panel::after {
  content: "";
  position: absolute;
  right: -40px;
  top: -40px;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--contact-gold-glow), transparent 65%);
  pointer-events: none;
}

.page-contact .panel-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  margin: 0 0 1.2rem;
  text-transform: uppercase;
}

.page-contact .panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .panel-list li {
  position: relative;
  display: flex;
  gap: 0.8rem;
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-ice);
  padding-left: 0.5rem;
  border-bottom: 1px dashed rgba(42, 75, 124, 0.5);
  padding-bottom: 0.9rem;
}

.page-contact .panel-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.page-contact .panel-tick {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-amber);
  box-shadow: 0 0 0 4px rgba(242, 183, 5, 0.15);
  margin-top: 0.55rem;
}

.page-contact .contact-console {
  padding: 4rem 0 5rem;
  background: var(--c-deep);
}

.page-contact .console-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
}

.page-contact .section-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.18em;
  color: var(--c-gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.6rem;
}

.page-contact .stack-head h2,
.page-contact .aside-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 3.5vw, 2.4rem);
  line-height: 1.2;
  margin: 0 0 0.6rem;
  color: var(--c-ice);
}

.page-contact .stack-head p,
.page-contact .aside-head p {
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--c-mist);
  margin: 0;
}

.page-contact .channel-stack {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-top: 2rem;
}

.page-contact .channel-card {
  display: flex;
  gap: 1.1rem;
  background: linear-gradient(145deg, rgba(27, 58, 107, 0.65), rgba(10, 20, 40, 0.8));
  border: 1px solid var(--c-border);
  border-radius: 18px;
  padding: 1.4rem 1.5rem;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-contact .channel-card:hover {
  border-color: rgba(212, 175, 55, 0.65);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.28), var(--contact-gold-glow);
  transform: translateY(-3px);
}

.page-contact .channel-icon {
  flex: 0 0 auto;
  width: 52px;
  height: 52px;
  border-radius: 16px;
  background: rgba(212, 175, 55, 0.1);
  border: 1px solid rgba(212, 175, 55, 0.25);
  display: grid;
  place-items: center;
  color: var(--c-gold);
}

.page-contact .channel-icon svg {
  width: 24px;
  height: 24px;
  display: block;
}

.page-contact .channel-body {
  min-width: 0;
}

.page-contact .channel-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-mist);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.page-contact .channel-value {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-ice);
  text-decoration: none;
  word-break: break-all;
  line-height: 1.4;
  transition: color 0.2s ease;
}

.page-contact .channel-value:hover {
  color: var(--c-gold);
}

.page-contact .channel-highlight {
  display: block;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--c-ice);
  line-height: 1.4;
}

.page-contact .channel-note {
  font-size: 0.82rem;
  line-height: 1.55;
  color: var(--c-mist);
  margin: 0.25rem 0 0;
}

.page-contact .collab-card {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.2rem;
  background: linear-gradient(135deg, rgba(212, 175, 55, 0.14), rgba(27, 58, 107, 0.5));
  border: 1px dashed rgba(212, 175, 55, 0.4);
  border-radius: 18px;
  padding: 1.3rem 1.5rem;
  overflow: hidden;
}

.page-contact .collab-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(180deg, var(--c-gold), var(--c-amber), transparent);
}

.page-contact .collab-text {
  min-width: 0;
}

.page-contact .collab-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--c-gold);
  text-transform: uppercase;
  margin-bottom: 0.25rem;
}

.page-contact .collab-mail {
  display: block;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--c-ice);
  text-decoration: none;
  word-break: break-all;
}

.page-contact .collab-mail:hover {
  color: var(--c-gold);
}

.page-contact .collab-note {
  font-size: 0.82rem;
  color: var(--c-mist);
  margin: 0.2rem 0 0;
}

.page-contact .console-main {
  display: grid;
  gap: 3.5rem;
  align-content: start;
}

.page-contact .location-stack,
.page-contact .response-stack,
.page-contact .message-stack {
  position: relative;
  background: linear-gradient(160deg, rgba(27, 58, 107, 0.36), rgba(10, 20, 40, 0.5));
  border: 1px solid var(--c-border);
  border-radius: var(--contact-panel-radius);
  padding: 1.75rem 1.5rem;
}

.page-contact .location-stack::before,
.page-contact .response-stack::before,
.page-contact .message-stack::before {
  content: "KAIYUN // CN";
  position: absolute;
  right: 1.4rem;
  top: 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  color: rgba(138, 155, 181, 0.5);
}

.page-contact .map-frame {
  position: relative;
  aspect-ratio: 4 / 3;
  width: 100%;
  border-radius: 16px;
  overflow: hidden;
  margin-top: 1.6rem;
  border: 1px solid var(--c-border);
  outline: none;
}

.page-contact .map-frame:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 4px;
}

.page-contact .map-image,
.page-contact .map-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-contact .map-overlay {
  pointer-events: none;
}

.page-contact .map-overlay .pin-group {
  cursor: pointer;
  pointer-events: auto;
}

.page-contact .map-overlay .pin-tip {
  opacity: 0;
  transition: opacity 0.35s ease, transform 0.35s ease;
  transform: translateY(6px);
}

.page-contact .map-frame:hover .map-overlay .pin-tip,
.page-contact .map-frame:focus .map-overlay .pin-tip,
.page-contact .map-frame:focus-within .map-overlay .pin-tip {
  opacity: 1;
  transform: translateY(0);
}

.page-contact .map-badge {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(10, 20, 40, 0.84);
  border: 1px solid rgba(212, 175, 55, 0.4);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--c-ice);
}

.page-contact .badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--c-green);
  box-shadow: 0 0 0 4px rgba(39, 174, 96, 0.2);
}

.page-contact .location-note {
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--c-mist);
  margin: 1.2rem 0 0;
  padding-left: 1rem;
  border-left: 3px solid rgba(212, 175, 55, 0.5);
}

.page-contact .response-frame {
  position: relative;
  margin-top: 1.6rem;
  border-radius: 16px;
  overflow: hidden;
  background: var(--c-electric);
}

.page-contact .response-image {
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  display: block;
}

.page-contact .response-list {
  list-style: none;
  margin: 0;
  padding: 1.2rem 1.4rem 1.4rem;
  display: grid;
  gap: 0.65rem;
}

.page-contact .response-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--c-ice);
  background: rgba(10, 20, 40, 0.4);
  border-radius: 12px;
  padding: 0.8rem 1rem;
}

.page-contact .list-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--c-gold);
  background: rgba(212, 175, 55, 0.1);
  border-radius: 6px;
  padding: 0.2rem 0.45rem;
}

.page-contact .response-list li strong {
  font-weight: 700;
  color: var(--c-ice);
}

.page-contact .response-list .arrow {
  margin-left: auto;
  color: var(--c-amber);
  font-family: var(--font-mono);
}

.page-contact .demo-form {
  position: relative;
  margin-top: 1.6rem;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(27, 58, 107, 0.28), rgba(10, 20, 40, 0.5));
  border: 1px solid var(--c-border);
  padding: 1.4rem 1.5rem 1.6rem;
}

.page-contact .form-field {
  position: relative;
  margin-bottom: 0.8rem;
}

.page-contact .form-field::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--c-gold), var(--c-amber), transparent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.4s ease;
  border-radius: 2px;
}

.page-contact .form-field:focus-within::before {
  transform: scaleX(1);
}

.page-contact .form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.page-contact .form-field input,
.page-contact .form-field textarea {
  display: block;
  width: 100%;
  border: none;
  border-bottom: 1px solid var(--c-border);
  background: transparent;
  padding: 0.7rem 0;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--c-ice);
  line-height: 1.6;
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
  border-radius: 0;
  outline: none;
  resize: none;
}

.page-contact .form-field input::placeholder,
.page-contact .form-field textarea::placeholder {
  color: rgba(138, 155, 181, 0.55);
}

.page-contact .form-field input:focus,
.page-contact .form-field textarea:focus {
  border-bottom-color: transparent;
  box-shadow: 0 8px 20px -12px var(--contact-gold-glow);
}

.page-contact .form-field-area {
  margin-bottom: 0.4rem;
}

.page-contact .form-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1.4rem;
}

.page-contact .form-hint {
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--c-mist);
}

.page-contact .contact-trust {
  position: relative;
  padding: 3rem 0;
  background: linear-gradient(120deg, rgba(212, 175, 55, 0.09), rgba(27, 58, 107, 0.4) 55%, rgba(10, 20, 40, 0.8));
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.page-contact .trust-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: flex-start;
}

.page-contact .trust-symbol {
  font-family: var(--font-mono);
  color: var(--c-gold);
  letter-spacing: 0.4em;
  margin: 0;
  font-size: 0.8rem;
}

.page-contact .trust-text {
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--c-ice);
  max-width: 780px;
  margin: 0;
}

.page-contact .help-grid {
  padding: 4.5rem 0;
  background:
    radial-gradient(800px 380px at 50% 0%, rgba(27, 58, 107, 0.5), transparent 70%),
    var(--c-deep);
}

.page-contact .help-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.1rem;
}

.page-contact .help-cell {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1.5rem 1.4rem;
  border-radius: 18px;
  background: rgba(27, 58, 107, 0.42);
  border: 1px solid var(--c-border);
  text-decoration: none;
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-contact .help-cell:hover {
  border-color: rgba(212, 175, 55, 0.5);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2), var(--contact-gold-glow);
  transform: translateY(-3px);
}

.page-contact .help-index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--c-gold);
}

.page-contact .help-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-ice);
}

.page-contact .help-desc {
  font-size: 0.85rem;
  color: var(--c-mist);
  line-height: 1.6;
}

@media (min-width: 640px) {
  .page-contact .channel-stack {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .help-inner {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .form-actions {
    flex-direction: row;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: 5rem 0 7rem;
  }

  .page-contact .hero-inner {
    grid-template-columns: 7fr 5fr;
    align-items: center;
    gap: 3rem;
  }

  .page-contact .contact-console {
    padding: 5rem 0 6rem;
  }

  .page-contact .console-inner {
    grid-template-columns: 5fr 7fr;
    gap: 3.5rem;
  }

  .page-contact .console-aside {
    position: sticky;
    top: 2rem;
    align-self: start;
  }

  .page-contact .channel-stack {
    grid-template-columns: 1fr;
  }

  .page-contact .help-inner {
    grid-template-columns: repeat(4, 1fr);
  }

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

  .page-contact .response-image {
    max-height: none;
  }
}

@media (min-width: 1180px) {
  .page-contact .location-stack,
  .page-contact .response-stack,
  .page-contact .message-stack {
    padding: 2.2rem 2.2rem 2.4rem;
  }

  .page-contact .location-stack::before,
  .page-contact .response-stack::before,
  .page-contact .message-stack::before {
    right: 2rem;
  }

  .page-contact .response-list {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .response-list li {
    padding: 1rem 1.1rem;
  }

  .page-contact .demo-form {
    padding: 2rem 2.2rem 2.2rem;
  }
}