.page-contact {
  --contact-shadow: 0 16px 36px rgba(8, 59, 32, .12);
  --contact-ink-soft: rgba(36, 26, 18, .76);
  --contact-cream-soft: rgba(251, 246, 236, .78);
  display: block;
  background: var(--cream);
  color: var(--ink);
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  padding: 18px 0 6px;
  font-size: .82rem;
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--navy);
  letter-spacing: .04em;
}

.page-contact .breadcrumb__list li + li::before {
  content: "／";
  margin-right: 8px;
  color: var(--line);
}

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

.page-contact .breadcrumb__list a:hover {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-bottom: 0;
  background:
    radial-gradient(120% 90% at 90% 0%, rgba(255, 107, 26, .16), transparent 62%),
    var(--cream);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: 26px;
  padding: 10px 0 30px;
}

.page-contact .eyebrow {
  margin: 0;
  font: 700 12px/1.4 var(--font-mono);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact h1 {
  margin: 12px 0 16px;
  font-size: clamp(2.1rem, 8.5vw, 4.2rem);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.02em;
}

.page-contact .lede {
  margin: 0;
  max-width: 34em;
  font-size: 1.02rem;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.page-contact .contact-hero__figure {
  margin: 0;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 14 / 9;
  box-shadow: var(--contact-shadow);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 橙色横带 ---------- */
.page-contact .contact-band {
  background: var(--orange);
  color: var(--ink);
  border-top: 3px solid var(--green-deep);
}

.page-contact .contact-band__track {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 32px;
  margin: 0;
  padding: 12px 20px;
  list-style: none;
  font: 700 12.5px/1.5 var(--font-mono);
  letter-spacing: .06em;
}

.page-contact .contact-band__track li {
  position: relative;
}

.page-contact .contact-band__track li + li::before {
  content: "";
  position: absolute;
  left: -18px;
  top: 50%;
  width: 7px;
  height: 7px;
  margin-top: -3.5px;
  border-radius: 50%;
  background: var(--green-deep);
}

/* ---------- 通用区块头 ---------- */
.page-contact .section-head h2 {
  margin: 10px 0 12px;
  font-size: clamp(1.55rem, 4.6vw, 2.45rem);
  line-height: 1.16;
  font-weight: 800;
  letter-spacing: -.01em;
}

.page-contact .section-head p {
  margin: 0;
  max-width: 44em;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

/* ---------- 联系渠道 ---------- */
.page-contact .contact-channels {
  padding: clamp(44px, 7vw, 84px) 0;
}

.page-contact .channel-grid {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .channel-card {
  position: relative;
  padding: 26px 20px 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--contact-shadow);
  transition: transform .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--green);
}

.page-contact .channel-card:hover {
  transform: translateY(-3px);
  border-color: var(--orange);
}

.page-contact .channel-card--mail {
  background: var(--green-deep);
  border-color: var(--green-deep);
  color: var(--cream);
  padding-bottom: 34px;
}

.page-contact .channel-card--mail::before {
  background: var(--orange);
}

.page-contact .channel-card--phone::before {
  background: var(--navy);
}

.page-contact .channel-card--addr {
  background: var(--cream);
  border-color: var(--line);
  padding-bottom: 20px;
}

.page-contact .channel-card__title {
  margin: 12px 0 0;
  font-size: 1.15rem;
  font-weight: 800;
}

.page-contact .channel-card__value {
  margin: 12px 0 12px;
  font: 700 1rem/1.55 var(--font-mono);
  font-variant-numeric: tabular-nums;
  word-break: break-word;
}

.page-contact .channel-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
}

.page-contact .channel-card__value a:hover {
  color: var(--orange);
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: .94rem;
  line-height: 1.8;
  color: var(--contact-ink-soft);
}

.page-contact .channel-card--mail .channel-card__desc {
  color: var(--contact-cream-soft);
}

.page-contact .channel-card__list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  font-size: .9rem;
  line-height: 1.7;
}

.page-contact .channel-card__list li {
  position: relative;
  padding-left: 17px;
  color: var(--contact-ink-soft);
}

.page-contact .channel-card--mail .channel-card__list li {
  color: rgba(251, 246, 236, .86);
}

.page-contact .channel-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  background: var(--orange);
}

.page-contact .tag {
  display: inline-block;
  font: 700 11.5px/1 var(--font-mono);
  letter-spacing: .1em;
  padding: 6px 9px;
  border-radius: 4px;
  background: var(--orange-soft);
  color: var(--ink);
}

.page-contact .tag--green {
  background: var(--yellow);
  color: var(--ink);
}

.page-contact .tag--navy {
  background: var(--navy);
  color: var(--cream);
}

/* ---------- 反馈分类 ---------- */
.page-contact .contact-topics {
  padding: clamp(40px, 6vw, 74px) 0 clamp(44px, 7vw, 84px);
  background: var(--paper);
  border-top: 1px solid var(--line);
}

.page-contact .topic-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .topic-card {
  background: var(--cream);
  border: 1px solid var(--line);
  border-left: 5px solid var(--green);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .topic-card[open] {
  border-left-color: var(--orange);
  box-shadow: var(--contact-shadow);
}

.page-contact .topic-card summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-weight: 700;
}

.page-contact .topic-card summary::-webkit-details-marker {
  display: none;
}

.page-contact .topic-card summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.25rem;
  line-height: 1;
  color: var(--orange);
}

.page-contact .topic-card[open] summary::after {
  content: "–";
}

.page-contact .topic-card__num {
  font: 700 12px/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  color: var(--cream);
  background: var(--navy);
  padding: 6px 7px;
  border-radius: 4px;
}

.page-contact .topic-card__name {
  font-size: 1.02rem;
}

.page-contact .topic-card__hint {
  font: 700 11px/1 var(--font-mono);
  letter-spacing: .08em;
  color: var(--green);
  background: rgba(14, 122, 60, .1);
  padding: 6px 8px;
  border-radius: 4px;
}

.page-contact .topic-card__body {
  padding: 0 18px 18px;
  border-top: 1px dashed var(--line);
}

.page-contact .topic-card__body p {
  margin: 14px 0 12px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--contact-ink-soft);
}

.page-contact .topic-card__body ul {
  display: grid;
  gap: 7px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: .93rem;
  line-height: 1.7;
}

.page-contact .topic-card__body li {
  position: relative;
  padding-left: 20px;
}

.page-contact .topic-card__body li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--green);
  font-size: .85rem;
}

/* ---------- 纠错流程 ---------- */
.page-contact .contact-flow {
  padding: clamp(44px, 7vw, 84px) 0;
  background: var(--green-deep);
  color: var(--cream);
}

.page-contact .contact-flow .eyebrow {
  color: var(--yellow);
}

.page-contact .contact-flow .section-head h2 {
  color: var(--cream);
}

.page-contact .contact-flow .section-head p {
  color: var(--contact-cream-soft);
}

.page-contact .flow-board {
  position: relative;
  margin-top: 30px;
  padding: 26px 20px 28px;
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(251, 246, 236, .18);
}

.page-contact .flow-board__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .2;
  pointer-events: none;
}

.page-contact .flow-steps {
  position: relative;
  display: grid;
  gap: 24px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding-left: 20px;
  border-left: 2px dashed rgba(255, 201, 60, .45);
  transition: border-color .18s var(--ease);
}

.page-contact .flow-step:first-child {
  border-left-color: var(--orange);
}

.page-contact .flow-step:hover {
  border-left-color: var(--orange);
}

.page-contact .flow-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  height: 30px;
  padding: 0 8px;
  border-radius: 6px;
  background: var(--yellow);
  color: var(--ink);
  font: 700 13px/1 var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: .06em;
  transition: background-color .18s var(--ease);
}

.page-contact .flow-step:hover .flow-step__num {
  background: var(--orange);
}

.page-contact .flow-step__title {
  margin: 14px 0 8px;
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--cream);
}

.page-contact .flow-step p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--contact-cream-soft);
}

/* ---------- 回复时段 ---------- */
.page-contact .contact-hours {
  padding: clamp(44px, 7vw, 84px) 0;
  background: var(--cream);
}

.page-contact .contact-hours__inner {
  display: grid;
  gap: 30px;
}

.page-contact .contact-hours__copy h2 {
  margin: 10px 0 14px;
  font-size: clamp(1.55rem, 4.6vw, 2.4rem);
  line-height: 1.16;
  font-weight: 800;
}

.page-contact .contact-hours__copy p {
  margin: 0 0 14px;
  max-width: 40em;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}

.page-contact .contact-hours__copy .btn {
  margin-top: 8px;
}

.page-contact .hours-list {
  display: grid;
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .hours-item {
  display: grid;
  gap: 4px;
  padding: 15px 18px;
  background: var(--paper);
}

.page-contact .hours-item dt {
  font: 700 11.5px/1.4 var(--font-mono);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
}

.page-contact .hours-item dd {
  margin: 0;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.6;
}

/* ---------- 合作洽谈 ---------- */
.page-contact .contact-partner {
  padding: clamp(44px, 7vw, 84px) 0;
  background: var(--paper);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform .18s var(--ease), box-shadow .18s var(--ease);
}

.page-contact .partner-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--contact-shadow);
}

.page-contact .partner-card h3 {
  margin: 0;
  font-size: 1.08rem;
  font-weight: 800;
}

.page-contact .partner-card p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--contact-ink-soft);
}

.page-contact .partner-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-top: 6px;
  font-size: .92rem;
  font-weight: 700;
  color: var(--green);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-soft);
  transition: border-color .18s var(--ease), color .18s var(--ease);
}

.page-contact .partner-card__link:hover {
  color: var(--ink);
  border-bottom-color: var(--orange);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-outro {
  padding: clamp(40px, 6vw, 74px) 0 clamp(48px, 7vw, 92px);
  background: var(--cream);
}

.page-contact .contact-outro__inner {
  display: grid;
  gap: 22px;
  padding-left: 20px;
  border-left: 6px solid var(--orange);
}

.page-contact .contact-outro__copy h2 {
  margin: 0 0 10px;
  font-size: clamp(1.4rem, 4.2vw, 2.05rem);
  line-height: 1.2;
  font-weight: 800;
}

.page-contact .contact-outro__copy p {
  margin: 0;
  max-width: 40em;
  line-height: 1.85;
  color: var(--contact-ink-soft);
}

.page-contact .contact-outro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 760px) {
  .page-contact .topic-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: 7fr 5fr;
    align-items: end;
    gap: 48px;
    padding: 16px 0 40px;
  }

  .page-contact .contact-hero__figure {
    aspect-ratio: 7 / 5;
  }

  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
    gap: 22px;
  }

  .page-contact .channel-card--mail {
    margin-top: -20px;
    padding-bottom: 40px;
  }

  .page-contact .channel-card--addr {
    margin-top: 18px;
    padding-bottom: 22px;
  }

  .page-contact .flow-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
  }

  .page-contact .flow-step {
    padding-left: 22px;
  }

  .page-contact .contact-hours__inner {
    grid-template-columns: 7fr 5fr;
    gap: 52px;
    align-items: start;
  }

  .page-contact .contact-outro__inner {
    grid-template-columns: 8fr 4fr;
    align-items: center;
    gap: 44px;
  }

  .page-contact .contact-outro__actions {
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .topic-card,
  .page-contact .flow-step,
  .page-contact .flow-step__num,
  .page-contact .partner-card,
  .page-contact .partner-card__link {
    transition: none;
  }

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