.page-contact {
  background-color: var(--obsidian);
  color: var(--text);
  overflow-x: clip;
}

.page-contact :focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 3px;
  border-radius: 4px;
}

/* 首屏 */
.page-contact .contact-hero {
  position: relative;
  padding-top: var(--space-6);
  padding-bottom: var(--space-5);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.16), transparent 68%);
  pointer-events: none;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-gold-strong), transparent);
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.3rem, 8vw, 4.4rem);
  line-height: 1.08;
  letter-spacing: 0.02em;
  margin: var(--space-3) 0 var(--space-4);
}

.page-contact .contact-hero__lead {
  max-width: 62ch;
}

.page-contact .contact-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3) var(--space-4);
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

/* 咨询渠道 */
.page-contact .contact-channels {
  padding: var(--space-6) 0;
}

.page-contact .inquiry-card {
  margin-top: var(--space-5);
  border: 1px solid var(--line-gold);
  border-radius: var(--radius-lg);
  background-image: linear-gradient(155deg, rgba(28, 29, 32, 0.98), rgba(10, 10, 11, 0.99));
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: border-color 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-contact .inquiry-card:hover {
  border-color: var(--line-gold-strong);
  box-shadow: var(--shadow-lift);
}

.page-contact .inquiry-card__visual {
  height: 100%;
}

.page-contact .inquiry-card__visual img {
  display: block;
  width: 100%;
  height: 180px;
  object-fit: cover;
  opacity: 0.6;
}

.page-contact .inquiry-card__body {
  padding: var(--space-4) var(--space-3) var(--space-5);
}

.page-contact .channel {
  padding: var(--space-2) 0;
}

.page-contact .channel__label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--gold);
  text-transform: uppercase;
}

.page-contact .channel__value {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.45rem);
  line-height: 1.4;
  word-break: break-word;
}

.page-contact .channel__value a {
  color: var(--ivory);
  text-decoration: none;
  border-bottom: 1px solid var(--line-gold-strong);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .channel__value a:hover {
  color: var(--champagne);
  border-color: var(--champagne);
}

.page-contact .channel__note {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 需求类型 */
.page-contact .contact-need {
  padding: var(--space-6) 0;
}

.page-contact .need-builder {
  position: relative;
  margin-top: var(--space-5);
  padding: var(--space-4) var(--space-3) var(--space-5);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  background: rgba(28, 29, 32, 0.55);
}

.page-contact .need-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .need-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-contact .need-chip {
  cursor: pointer;
  user-select: none;
  transition: background-color 200ms var(--ease), border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-contact #need-tools:checked ~ .need-tags .need-chip[for="need-tools"],
.page-contact #need-rights:checked ~ .need-tags .need-chip[for="need-rights"],
.page-contact #need-version:checked ~ .need-tags .need-chip[for="need-version"],
.page-contact #need-partner:checked ~ .need-tags .need-chip[for="need-partner"] {
  background: rgba(201, 162, 39, 0.18);
  border-color: var(--line-gold-strong);
  color: var(--champagne);
}

.page-contact #need-tools:focus-visible ~ .need-tags .need-chip[for="need-tools"],
.page-contact #need-rights:focus-visible ~ .need-tags .need-chip[for="need-rights"],
.page-contact #need-version:focus-visible ~ .need-tags .need-chip[for="need-version"],
.page-contact #need-partner:focus-visible ~ .need-tags .need-chip[for="need-partner"] {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

.page-contact .draft {
  display: none;
  margin-top: var(--space-4);
  padding-left: var(--space-3);
  border-left: 2px solid var(--line-gold-strong);
}

.page-contact #need-tools:checked ~ .draft--tools,
.page-contact #need-rights:checked ~ .draft--rights,
.page-contact #need-version:checked ~ .draft--version,
.page-contact #need-partner:checked ~ .draft--partner {
  display: block;
}

.page-contact .draft__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--amber);
}

.page-contact .draft__subject {
  margin: 0 0 var(--space-3);
  font-size: 16px;
  font-weight: 500;
  color: var(--ivory);
}

.page-contact .draft__body {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 60ch;
}

.page-contact .draft__body p {
  margin: 0;
}

/* 回复时段 */
.page-contact .contact-hours {
  padding: var(--space-6) 0;
}

.page-contact .hours-list {
  list-style: none;
  margin: var(--space-5) 0 0;
  padding: 0;
  display: grid;
}

.page-contact .hours-item {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .hours-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .hours-item__time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-contact .hours-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ivory);
}

.page-contact .hours-item__text {
  margin: 0;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

/* 地区与备案 */
.page-contact .contact-region {
  padding: var(--space-6) 0;
}

.page-contact .region-band {
  display: grid;
  gap: var(--space-5);
  padding: var(--space-5) var(--space-3);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background-image: linear-gradient(120deg, rgba(51, 54, 58, 0.55), rgba(28, 29, 32, 0.4));
}

.page-contact .region-facts {
  display: grid;
  gap: var(--space-3);
  margin: var(--space-4) 0 0;
}

.page-contact .region-fact {
  display: grid;
  gap: 4px;
  padding-top: var(--space-2);
  border-top: 1px solid var(--line-soft);
}

.page-contact .region-fact dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--text-faint);
}

.page-contact .region-fact dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--ivory);
}

.page-contact .region-band__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius);
  object-fit: cover;
  opacity: 0.72;
}

/* 合作与其他需求 */
.page-contact .contact-partner {
  padding: var(--space-6) 0;
}

.page-contact .partner-cards {
  margin-top: var(--space-5);
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-4);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .partner-card:hover {
  border-color: var(--line-gold-strong);
  transform: translateY(-3px);
}

.page-contact .partner-card__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--amber);
}

.page-contact .partner-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.15rem;
  color: var(--ivory);
}

.page-contact .partner-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-muted);
}

.page-contact .partner-card__subject {
  margin: auto 0 0;
  padding-top: var(--space-2);
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--champagne);
}

/* 站内入口 */
.page-contact .contact-next {
  padding: var(--space-6) 0 var(--space-5);
}

.page-contact .next-links {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line-soft);
}

.page-contact .next-links li {
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .next-links .link-more {
  display: inline-flex;
  align-items: baseline;
  font-size: 15.5px;
  line-height: 1.6;
}

@media (min-width: 640px) {
  .page-contact .inquiry-card__visual img {
    height: 240px;
  }

  .page-contact .next-links {
    grid-template-columns: 1fr 1fr;
    column-gap: var(--space-5);
  }
}

@media (min-width: 860px) {
  .page-contact .contact-hero {
    padding-top: var(--space-6);
    padding-bottom: var(--space-6);
  }

  .page-contact .inquiry-card {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 8fr);
    align-items: stretch;
  }

  .page-contact .inquiry-card__visual img {
    height: 100%;
    min-height: 360px;
  }

  .page-contact .inquiry-card__body {
    padding: var(--space-5);
  }

  .page-contact .need-builder {
    padding: var(--space-5);
  }

  .page-contact .hours-item {
    grid-template-columns: 190px minmax(0, 1fr);
    column-gap: var(--space-5);
  }

  .page-contact .hours-item__time {
    grid-column: 1;
    grid-row: 1 / span 2;
    padding-top: 4px;
  }

  .page-contact .hours-item__title {
    grid-column: 2;
  }

  .page-contact .hours-item__text {
    grid-column: 2;
  }

  .page-contact .region-band {
    grid-template-columns: minmax(0, 8fr) minmax(0, 5fr);
    align-items: center;
    padding: var(--space-6) var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .inquiry-card,
  .page-contact .partner-card,
  .page-contact .channel__value a,
  .page-contact .need-chip {
    transition: none;
  }

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