.page-contact {
  --contact-card-line: rgba(246, 241, 231, 0.18);
  --contact-soft: rgba(246, 241, 231, 0.78);
  background: var(--night);
  color: var(--chalk);
}

.page-contact .section__headtext {
  min-width: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 6vw, 68px) 0 clamp(30px, 6vw, 76px);
  border-bottom: var(--frame) solid var(--ink);
  background:
    radial-gradient(120% 95% at 92% -12%, rgba(255, 77, 46, 0.3), transparent 58%),
    radial-gradient(85% 70% at -5% 108%, rgba(46, 196, 182, 0.18), transparent 62%),
    var(--night);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .breadcrumbs {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(246, 241, 231, 0.6);
}

.page-contact .breadcrumbs a {
  color: var(--chalk);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--ember);
}

.page-contact .contact-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 10vw, 82px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--chalk);
  text-shadow: 5px 5px 0 rgba(255, 77, 46, 0.28);
  transform: skewX(-3deg);
  transform-origin: left bottom;
}

.page-contact .contact-hero__lede {
  max-width: 40ch;
  margin-top: 16px;
  color: var(--contact-soft);
  line-height: 1.8;
}

.page-contact .contact-lines {
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 30px);
}

.page-contact .contact-line {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 8px 12px;
  padding: 14px 16px;
  border: 2px solid var(--ink);
  border-left: 6px solid var(--signal);
  background: rgba(14, 42, 71, 0.74);
  box-shadow: 5px 5px 0 rgba(26, 18, 14, 0.7);
}

.page-contact .contact-line__key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .contact-line__val {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(16px, 4.6vw, 25px);
  letter-spacing: -0.01em;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  color: var(--chalk);
}

.page-contact .contact-hero__status {
  min-height: 1.4em;
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--grass);
}

.page-contact .contact-hero__cta {
  margin-top: 6px;
}

.page-contact .contact-hero__aside {
  display: grid;
  gap: 14px;
  align-content: start;
  min-width: 0;
}

.page-contact .contact-hero__figure {
  margin: 0;
  position: relative;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-contact .hero-strip {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--contact-card-line);
  border: 2px solid var(--ink);
}

.page-contact .hero-strip li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 12px;
  padding: 10px 14px;
  background: var(--night);
}

.page-contact .hero-strip__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .hero-strip__v {
  font-size: 14px;
  color: var(--chalk);
}

/* ---------- 咨询类型 ---------- */
.page-contact .ask-section {
  background: var(--night);
}

.page-contact .ask-intro {
  max-width: 56ch;
  margin: 14px 0 0;
  color: var(--contact-soft);
  line-height: 1.8;
}

.page-contact .ask-grid {
  display: grid;
  gap: 18px;
  margin-top: clamp(20px, 3vw, 34px);
}

.page-contact .ask-card {
  border: var(--frame) solid var(--ink);
  background: var(--plateau);
  box-shadow: var(--hard);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .ask-card[open] {
  border-color: var(--signal);
}

.page-contact .ask-card__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 6px 14px;
  padding: 16px;
  cursor: pointer;
  list-style: none;
}

.page-contact .ask-card__sum::-webkit-details-marker {
  display: none;
}

.page-contact .ask-card__sum:focus-visible {
  outline: 3px solid var(--lake);
  outline-offset: -3px;
}

.page-contact .ask-card__idx {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 22px;
  color: var(--night);
  background: var(--signal);
  border: 2px solid var(--ink);
}

.page-contact .ask-card__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 4.4vw, 23px);
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--chalk);
}

.page-contact .ask-card .chip {
  justify-self: start;
  white-space: nowrap;
}

.page-contact .ask-card__body {
  padding: 14px 16px 18px;
  border-top: 1px dashed var(--contact-card-line);
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--contact-soft);
}

.page-contact .ask-card__body p {
  margin: 0 0 10px;
}

.page-contact .ask-card__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ask-card__do {
  color: var(--cream);
  border-left: 3px solid var(--lake);
  padding-left: 10px;
}

/* ---------- 联系方式 ---------- */
.page-contact .channels-section {
  background:
    repeating-linear-gradient(90deg, rgba(26, 18, 14, 0.08) 0 2px, transparent 2px 26px),
    var(--signal);
  color: var(--night);
  border-top: var(--frame) solid var(--ink);
  border-bottom: var(--frame) solid var(--ink);
}

.page-contact .channels-section .eyebrow,
.page-contact .channels-section .h2,
.page-contact .channels-section .section__num {
  color: var(--night);
  text-shadow: none;
}

.page-contact .channel-board {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .channel {
  padding: 18px;
  background: var(--night);
  color: var(--chalk);
  border: var(--frame) solid var(--ink);
  box-shadow: var(--hard);
  min-width: 0;
}

.page-contact .channel--main {
  background: var(--ink);
}

.page-contact .channel__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(18px, 5vw, 27px);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-contact .channel__value--sm {
  font-size: clamp(16px, 4.2vw, 20px);
  font-family: var(--font-body);
  font-weight: 700;
  line-height: 1.5;
}

.page-contact .channel__note {
  margin: 10px 0 14px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--contact-soft);
}

.page-contact .channel__icp {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--lake);
}

/* ---------- 邮件 ---------- */
.page-contact .mail-section {
  background: var(--cream);
  color: var(--ink);
}

.page-contact .mail-section .h2,
.page-contact .mail-section .eyebrow,
.page-contact .mail-section .section__num {
  color: var(--ink);
  text-shadow: none;
}

.page-contact .mail-grid {
  display: grid;
  gap: clamp(22px, 4vw, 40px);
  margin-top: clamp(18px, 3vw, 30px);
}

.page-contact .mail-copy {
  min-width: 0;
}

.page-contact .mail-copy > p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: #2c211a;
}

.page-contact .mail-subject {
  margin: 20px 0 22px;
  padding: 16px;
  background: var(--night);
  color: var(--chalk);
  border: var(--frame) solid var(--ink);
  box-shadow: 6px 6px 0 rgba(26, 18, 14, 0.35);
}

.page-contact .mail-subject__key {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
}

.page-contact .mail-subject__val {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 17px);
  line-height: 1.6;
  word-break: break-word;
  color: var(--chalk);
}

.page-contact .mail-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .mail-steps li {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.5);
  border-left: 4px solid var(--ink);
  font-size: 15px;
  line-height: 1.72;
  color: #2c211a;
}

.page-contact .mail-steps__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 13px;
  color: var(--chalk);
  background: var(--signal);
}

.page-contact .mail-figure {
  margin: 0;
  align-self: start;
}

.page-contact .mail-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 合作 ---------- */
.page-contact .coop-section {
  background: var(--night);
}

.page-contact .coop-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .coop-item {
  padding: 18px;
  background: var(--plateau);
  border: var(--frame) solid var(--ink);
  border-top: 6px solid var(--ember);
  box-shadow: var(--hard);
  min-width: 0;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-item:hover {
  border-color: var(--signal);
  transform: translateY(-3px);
}

.page-contact .coop-item__tag {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .coop-item__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(19px, 4.4vw, 24px);
  line-height: 1.28;
  color: var(--chalk);
}

.page-contact .coop-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-soft);
}

.page-contact .coop-item__title + p {
  margin-top: 0;
}

.page-contact .coop-foot {
  margin: 22px 0 0;
  padding: 14px 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--cream);
  background: rgba(46, 196, 182, 0.12);
  border-left: 6px solid var(--lake);
}

/* ---------- 服务节奏 ---------- */
.page-contact .resp-section {
  background: var(--plateau);
}

.page-contact .resp-grid {
  display: grid;
  gap: 16px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .resp-card {
  display: grid;
  gap: 10px;
  padding: 18px;
  background: var(--night);
  border: var(--frame) solid var(--ink);
  box-shadow: 6px 6px 0 rgba(26, 18, 14, 0.55);
  min-width: 0;
}

.page-contact .resp-card .stat__value {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 6vw, 34px);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--signal);
  word-break: break-word;
}

.page-contact .resp-card .stat__label {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--contact-soft);
}

.page-contact .resp-note {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--contact-soft);
}

/* ---------- 去对应栏目 ---------- */
.page-contact .routes-section {
  position: relative;
  overflow: hidden;
  background: var(--night);
}

.page-contact .route-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 14px;
  margin-top: clamp(20px, 3vw, 32px);
}

.page-contact .route-card {
  display: grid;
  gap: 8px;
  padding: 18px;
  text-decoration: none;
  background: rgba(14, 42, 71, 0.72);
  border: 2px solid var(--ink);
  border-left: 6px solid var(--signal);
  box-shadow: 5px 5px 0 rgba(26, 18, 14, 0.6);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .route-card:hover,
.page-contact .route-card:focus-visible {
  border-color: var(--ember);
  border-left-color: var(--lake);
  background: rgba(14, 42, 71, 0.95);
  transform: translateY(-3px);
}

.page-contact .route-card:focus-visible {
  outline: 3px solid var(--lake);
  outline-offset: 3px;
}

.page-contact .route-card__k {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .route-card__t {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--chalk);
}

.page-contact .route-card__go {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--signal);
}

.page-contact .coord {
  position: relative;
  z-index: 0;
  display: block;
  width: min(320px, 100%);
  height: auto;
  margin: 26px 0 0;
  opacity: 0.7;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-contact .contact-lines {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-line {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .page-contact .ask-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ask-card:nth-child(even) {
    margin-top: 28px;
  }

  .page-contact .channel-board {
    grid-template-columns: 1.15fr 1fr 1fr;
    align-items: start;
  }

  .page-contact .channel--main {
    transform: translateY(-10px);
  }

  .page-contact .mail-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .resp-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coord {
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ask-card,
  .page-contact .coop-item,
  .page-contact .route-card {
    transition: none;
  }

  .page-contact .coop-item:hover,
  .page-contact .route-card:hover,
  .page-contact .route-card:focus-visible {
    transform: none;
  }
}