.page-contact {
  --contact-radius: 18px;
  --contact-slim: clamp(1.5rem, 3.5vw, 2.75rem);
  background: linear-gradient(180deg, var(--color-bg) 0%, var(--color-bg-deep) 130%);
  overflow-x: hidden;
}
.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(1.75rem, 5vw, 4.25rem)) 0 clamp(2.25rem, 6vw, 5.25rem);
  border-bottom: 1px solid var(--color-line);
}
.page-contact .contact-hero__figure {
  position: absolute;
  inset: 0;
  margin: 0;
  pointer-events: none;
}
.page-contact .contact-hero__figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.8) contrast(1.08);
}
.page-contact .contact-hero .container {
  position: relative;
  z-index: 1;
}
.page-contact .contact-hero h1 {
  font-family: var(--font-serif);
  font-weight: 800;
  font-size: clamp(2rem, 5.4vw, 3.9rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 1.1rem 0;
  max-width: 20ch;
}
.page-contact .contact-hero__lead {
  font-size: clamp(0.94rem, 1.6vw, 1.12rem);
  line-height: 1.8;
  color: var(--color-muted);
  max-width: 60rem;
  margin: 0;
}
.page-contact .contact-desk {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 3.2vw, 2.5rem);
  min-width: 0;
}
.page-contact .contact-channel {
  position: relative;
  background:
    radial-gradient(circle at 0% 0%, rgba(255, 107, 0, 0.2), transparent 44%),
    linear-gradient(rgba(42, 59, 76, 0.35) 1px, transparent 1px),
    linear-gradient(90deg, rgba(42, 59, 76, 0.35) 1px, transparent 1px),
    linear-gradient(150deg, var(--color-bg-alt), var(--color-bg));
  background-size: auto, 38px 38px, 38px 38px, auto;
  border: 1px solid var(--color-line);
  border-radius: var(--contact-radius);
  padding: var(--contact-slim);
  box-shadow: 0 2px 10px var(--color-shadow);
  transition: border-color 0.25s ease-out, box-shadow 0.25s ease-out;
  overflow: hidden;
}
.page-contact .contact-channel:hover {
  border-color: rgba(255, 107, 0, 0.68);
  box-shadow: 0 0 0 1px rgba(255, 107, 0, 0.4), 0 0 32px rgba(255, 107, 0, 0.2);
}
.page-contact .contact-channel__header {
  margin-bottom: 1.75rem;
}
.page-contact .contact-channel__record {
  display: grid;
  gap: 0.3rem;
  padding: 1.05rem 0;
  border-bottom: 1px solid var(--color-line);
  min-width: 0;
}
.page-contact .contact-channel__key {
  font-family: var(--font-sans);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.page-contact .contact-channel__value {
  font-family: var(--font-sans);
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--color-text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 107, 0, 0.5);
  padding-bottom: 2px;
  word-break: break-word;
  transition: color 0.2s ease-out, border-color 0.2s ease-out;
}
.page-contact .contact-channel__value--mono {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 1.8vw, 1.24rem);
  font-weight: 600;
}
.page-contact .contact-channel__value:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}
.page-contact .contact-channel__note {
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--color-muted);
}
.page-contact .contact-channel__action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.25rem;
  margin-top: 1.75rem;
}
.page-contact .contact-channel__meta {
  font-family: var(--font-mono);
  font-size: 0.84rem;
  color: var(--color-data);
  line-height: 1.5;
}
.page-contact .contact-channel__icp {
  margin-top: 1.75rem;
  padding-top: 1rem;
  border-top: 1px solid var(--color-line);
  font-size: 0.8rem;
  color: var(--color-muted);
}
.page-contact .contact-guide {
  background: rgba(16, 43, 74, 0.5);
  border: 1px solid var(--color-line);
  border-radius: var(--contact-radius);
  padding: var(--contact-slim);
}
.page-contact .contact-guide__header {
  margin-bottom: 1.5rem;
}
.page-contact .contact-guide__list {
  display: grid;
  gap: 0.9rem;
}
.page-contact .contact-guide__item {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: 12px;
  overflow: hidden;
  transition: border-color 0.2s ease-out, background-color 0.2s ease-out;
}
.page-contact .contact-guide__item:hover {
  border-color: rgba(0, 212, 170, 0.55);
}
.page-contact .contact-guide__item[open] {
  background: rgba(16, 43, 74, 0.8);
  border-color: rgba(0, 212, 170, 0.6);
}
.page-contact .contact-guide__summary {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem 1.15rem;
  cursor: pointer;
  list-style: none;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-text);
}
.page-contact .contact-guide__summary::-webkit-details-marker {
  display: none;
}
.page-contact .contact-guide__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
  color: var(--color-accent);
  transition: transform 0.2s ease-out;
}
.page-contact .contact-guide__item[open] .contact-guide__summary::after {
  transform: rotate(45deg);
}
.page-contact .guide-index {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.5;
  color: var(--color-data);
}
.page-contact .contact-guide__body {
  padding: 0 1.2rem 1.15rem;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.78;
}
.page-contact .contact-feedback {
  border-top: 1px solid var(--color-line);
  background: linear-gradient(92deg, rgba(0, 212, 170, 0.06), transparent 48%), var(--color-bg-deep);
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.page-contact .feedback-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  align-items: center;
  min-width: 0;
}
.page-contact .feedback-content {
  min-width: 0;
}
.page-contact .feedback-steps {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.page-contact .feedback-steps li {
  border-left: 2px solid var(--color-accent);
  padding: 0.08rem 0 0.08rem 1rem;
  line-height: 1.7;
  font-size: 0.95rem;
  color: var(--color-muted);
}
.page-contact .feedback-steps strong {
  color: var(--color-text);
  font-weight: 650;
}
.page-contact .feedback-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.8rem;
  margin-top: 2rem;
}
.page-contact .feedback-stats__item {
  min-width: 130px;
}
.page-contact .feedback-stats__num {
  display: block;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-accent);
}
.page-contact .feedback-stats__num small {
  font-family: var(--font-sans);
  font-size: 0.6em;
  color: var(--color-muted);
  font-weight: 500;
  margin-left: 0.12em;
}
.page-contact .feedback-stats__label {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.82rem;
  line-height: 1.5;
  color: var(--color-muted);
}
.page-contact .feedback-media {
  margin: 0;
}
.page-contact .feedback-media img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  border: 1px solid var(--color-line);
  box-shadow: 0 2px 10px var(--color-shadow);
}
.page-contact .contact-partnership {
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.page-contact .partnership-head {
  margin-bottom: 2rem;
}
.page-contact .partnership-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.2rem;
  min-width: 0;
}
.page-contact .partnership-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 1.4rem;
  transition: transform 0.2s ease-out, border-color 0.2s ease-out, background-color 0.2s ease-out;
}
.page-contact .partnership-card:hover {
  border-color: rgba(255, 107, 0, 0.6);
  background: rgba(16, 43, 74, 0.7);
  transform: translateY(-2px);
}
.page-contact .partnership-card__index {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-data);
}
.page-contact .partnership-card h3 {
  margin: 0.7rem 0 0.4rem;
  font-family: var(--font-serif);
  font-size: 1.12rem;
  color: var(--color-text);
}
.page-contact .partnership-card p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--color-muted);
}
.page-contact .contact-quicknav {
  border-top: 1px solid var(--color-line);
  background: rgba(16, 43, 74, 0.35);
  padding: clamp(2.5rem, 6vw, 5rem) 0;
}
.page-contact .quicknav-head {
  margin-bottom: 2rem;
}
.page-contact .quicknav-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem;
  min-width: 0;
}
.page-contact .quicknav-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  background: transparent;
  border: 1px solid var(--color-line);
  border-radius: 14px;
  padding: 1.2rem 1.3rem;
  color: var(--color-text);
  text-decoration: none;
  transition: border-color 0.2s ease-out, transform 0.2s ease-out, background-color 0.2s ease-out;
}
.page-contact .quicknav-card strong {
  font-family: var(--font-serif);
  font-size: 1.08rem;
}
.page-contact .quicknav-card span {
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--color-muted);
}
.page-contact .quicknav-card:hover {
  border-color: rgba(255, 107, 0, 0.65);
  background: var(--color-bg-alt);
  transform: translateY(-2px);
}
.page-contact .quicknav-card.is-current {
  border-color: rgba(255, 107, 0, 0.65);
  background: var(--color-bg-alt);
}
.page-contact .contact-desk h2,
.page-contact .contact-feedback h2,
.page-contact .contact-partnership h2,
.page-contact .contact-quicknav h2 {
  font-family: var(--font-serif);
  font-weight: 750;
  font-size: clamp(1.55rem, 3vw, 2.2rem);
  line-height: 1.2;
  margin: 0.35rem 0 0.9rem;
}
@media (min-width: 760px) {
  .page-contact .quicknav-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}
@media (min-width: 961px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: 5fr 7fr;
    align-items: start;
  }
  .page-contact .feedback-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .page-contact .partnership-grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .page-contact .contact-hero h1 {
    max-width: 18ch;
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}