.page-contact {
  --pc-gap: clamp(20px, 2.6vw, 36px);
  --pc-hair: rgba(124, 147, 180, 0.28);
  --pc-muted: #4B5566;
  background: var(--navy);
  color: var(--white);
  font-family: var(--font-sans);
  padding-top: clamp(92px, 12vw, 132px);
  overflow-x: clip;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-soft);
  padding-bottom: clamp(18px, 3vw, 32px);
}

.page-contact .breadcrumb a {
  position: relative;
  color: var(--steel-soft);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

.page-contact .breadcrumb a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0;
  height: 1px;
  background: var(--orange);
  transition: width 0.22s var(--ease);
}

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

.page-contact .breadcrumb a:hover::after {
  width: 100%;
}

.page-contact .breadcrumb [aria-current] {
  color: var(--orange);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  border-bottom: 1px solid var(--pc-hair);
  background-color: var(--navy);
  background-image:
    repeating-linear-gradient(90deg, rgba(42, 74, 115, 0.22) 0 1px, transparent 1px 104px),
    radial-gradient(120% 90% at 88% 0%, rgba(18, 184, 160, 0.12) 0%, transparent 62%);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.4vw, 58px);
  padding: clamp(16px, 2.4vw, 28px) 0 clamp(48px, 7vw, 92px);
}

.page-contact .pc-hero__title {
  margin: 18px 0 0;
  font-size: clamp(2rem, 1.1rem + 4.4vw, 4.5rem);
  line-height: 1.02;
  font-weight: 800;
  letter-spacing: -0.01em;
  max-width: 14ch;
}

.page-contact .pc-hero__title-em {
  display: block;
  color: var(--orange);
}

.page-contact .pc-hero__lead {
  margin: 22px 0 0;
  max-width: 34em;
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.125rem);
  line-height: 1.78;
  color: rgba(246, 243, 238, 0.82);
}

.page-contact .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: clamp(22px, 4vw, 52px);
  margin-top: clamp(28px, 3.4vw, 40px);
  padding-top: 22px;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-meta__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--steel-soft);
}

.page-contact .pc-meta__v {
  display: block;
  margin-top: 7px;
  font-size: clamp(1.05rem, 0.98rem + 0.6vw, 1.45rem);
  font-weight: 600;
  color: var(--white);
}

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

.page-contact .pc-hero__figure::before {
  content: "";
  position: absolute;
  inset: 0;
  border-left: 2px solid var(--orange);
  border-bottom: 2px solid var(--orange);
  transform: translate(-11px, 11px);
  pointer-events: none;
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border: 1px solid var(--pc-hair);
}

.page-contact .pc-hero__caption {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--steel-soft);
}

.page-contact .pc-hero__caption::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--electric);
}

/* ---------- 分区通用 ---------- */
.page-contact .pc-section {
  padding: clamp(52px, 7vw, 104px) 0;
}

.page-contact .pc-light {
  background: var(--sand);
  color: var(--graphite);
}

.page-contact .pc-dark {
  background: var(--navy);
  color: var(--white);
}

.page-contact .pc-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-bottom: clamp(30px, 4vw, 54px);
}

.page-contact .pc-head h2 {
  margin: 12px 0 0;
  font-size: clamp(1.5rem, 1.08rem + 2vw, 2.6rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .pc-light .pc-head h2 {
  color: var(--navy);
}

.page-contact .pc-head__note {
  margin: 0;
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .pc-dark .pc-head__note {
  color: rgba(246, 243, 238, 0.75);
}

/* ---------- 通道 + 表单 ---------- */
.page-contact .pc-channels {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pc-gap);
}

.page-contact .pc-channels__aside {
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .pc-channel-card {
  position: relative;
  background: var(--white);
  border: 1px solid var(--mist);
  padding: 30px 20px 20px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .pc-channel-card:hover,
.page-contact .pc-channel-card:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
}

.page-contact .pc-channel-card__tag {
  position: absolute;
  top: 0;
  left: -1px;
  transform: translateY(-50%);
  display: inline-block;
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--steel);
}

.page-contact .pc-channel-card__tag--mail {
  background: linear-gradient(135deg, var(--orange) 0%, var(--amber) 100%);
  color: var(--navy);
}

.page-contact .pc-channel-card__tag--tel {
  background: var(--teal);
  color: var(--navy);
}

.page-contact .pc-channel-card__tag--addr {
  background: var(--navy-2);
  color: var(--electric);
}

.page-contact .pc-channel-card__val {
  display: block;
  margin-top: 4px;
  font-size: clamp(0.9rem, 0.82rem + 0.4vw, 1.12rem);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--navy);
  overflow-wrap: anywhere;
  transition: color 0.2s var(--ease);
}

.page-contact .pc-channel-card:hover .pc-channel-card__val {
  color: var(--orange);
}

.page-contact .pc-channel-card__note {
  margin: 12px 0 0;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--pc-muted);
}

.page-contact .pc-channels__main {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-content: start;
}

.page-contact .pc-panel {
  background: var(--white);
  border: 1px solid var(--mist);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .pc-panel h3,
.page-contact .pc-flow__head h3 {
  margin: 0;
  font-size: clamp(1.15rem, 1.04rem + 0.55vw, 1.5rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--navy);
}

.page-contact .pc-panel__text {
  margin: 12px 0 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .pc-fields {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .pc-fields li {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px solid var(--mist);
}

.page-contact .pc-fields__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .pc-fields__d {
  font-size: 0.9rem;
  line-height: 1.62;
  color: var(--pc-muted);
}

.page-contact .pc-panel__foot {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--mist);
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--pc-muted);
}

/* ---------- 纠错流程 ---------- */
.page-contact .pc-flow {
  border: 1px solid var(--mist);
  background: var(--white);
  padding: clamp(22px, 3vw, 34px);
}

.page-contact .pc-flow__figure {
  margin: 22px 0 0;
}

.page-contact .pc-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid var(--mist);
}

.page-contact .pc-steps {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .pc-step {
  position: relative;
  background: var(--sand);
  border: 1px solid var(--mist);
  padding: 16px 16px 18px;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .pc-step:hover,
.page-contact .pc-step:focus-within {
  border-color: var(--orange);
  transform: translateY(-2px);
  z-index: 2;
}

.page-contact .pc-step__num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--orange);
}

.page-contact .pc-step__title {
  margin: 9px 0 0;
  font-size: 0.98rem;
  font-weight: 700;
  line-height: 1.42;
  color: var(--navy);
}

.page-contact .pc-step__text {
  margin: 8px 0 0;
  font-size: 0.85rem;
  line-height: 1.66;
  color: var(--pc-muted);
}

.page-contact .pc-step__more {
  max-height: 0;
  opacity: 0;
  margin-top: 0;
  overflow: hidden;
  font-size: 0.82rem;
  line-height: 1.62;
  color: var(--steel);
  transition: max-height 0.26s var(--ease), opacity 0.26s var(--ease), margin-top 0.26s var(--ease);
}

.page-contact .pc-step:hover .pc-step__more,
.page-contact .pc-step:focus-within .pc-step__more {
  max-height: 9em;
  opacity: 1;
  margin-top: 9px;
}

@media (hover: none) {
  .page-contact .pc-step__more {
    max-height: none;
    opacity: 1;
    margin-top: 9px;
  }
}

/* ---------- 合作 ---------- */
.page-contact .pc-coop {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 2vw, 22px);
}

.page-contact .pc-coop__item {
  background: var(--navy-2);
  border-top: 3px solid var(--orange);
  padding: clamp(22px, 3vw, 32px);
  transition: transform 0.22s var(--ease), background 0.22s var(--ease);
}

.page-contact .pc-coop__item:hover {
  transform: translateY(-3px);
  background-image: linear-gradient(0deg, rgba(255, 106, 19, 0.07), rgba(255, 106, 19, 0.07));
}

.page-contact .pc-coop__k {
  display: block;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--electric);
}

.page-contact .pc-coop__title {
  margin: 12px 0 0;
  font-size: clamp(1.08rem, 1rem + 0.4vw, 1.3rem);
  font-weight: 800;
  line-height: 1.36;
  color: var(--white);
}

.page-contact .pc-coop__desc {
  margin: 12px 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(246, 243, 238, 0.74);
}

.page-contact .pc-coop__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .pc-coop__list li {
  position: relative;
  padding-left: 18px;
  font-size: 0.85rem;
  line-height: 1.62;
  color: rgba(246, 243, 238, 0.86);
}

.page-contact .pc-coop__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 1px;
  background: var(--orange);
}

.page-contact .pc-coop__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px 28px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-coop__cta p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: rgba(246, 243, 238, 0.75);
}

/* ---------- 地址 ---------- */
.page-contact .pc-loc {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 3.6vw, 50px);
  background: var(--white);
  border: 1px solid var(--mist);
  padding: clamp(24px, 3.4vw, 46px);
}

.page-contact .pc-loc__art {
  align-self: center;
}

.page-contact .pc-loc__sky {
  display: block;
  width: 100%;
  height: auto;
  color: var(--steel-soft);
}

.page-contact .pc-loc__sky-note {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--steel);
  text-align: right;
}

.page-contact .pc-loc__line {
  margin: 14px 0 0;
  font-size: clamp(1.05rem, 0.96rem + 0.7vw, 1.5rem);
  font-weight: 800;
  line-height: 1.5;
  color: var(--navy);
}

.page-contact .pc-loc__meta {
  margin: 24px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

.page-contact .pc-loc__meta dt {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
}

.page-contact .pc-loc__meta dd {
  margin: 6px 0 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--pc-muted);
}

/* ---------- 常见问题入口 ---------- */
.page-contact .pc-faq {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3.4vw, 46px);
  margin-top: clamp(40px, 5vw, 76px);
}

.page-contact .pc-faq__head h2 {
  margin: 12px 0 0;
  font-size: clamp(1.35rem, 1.06rem + 1.3vw, 2rem);
  line-height: 1.2;
  font-weight: 800;
  color: var(--navy);
}

.page-contact .pc-faq__text {
  margin: 14px 0 22px;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--pc-muted);
}

.page-contact .pc-faq__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--mist);
  align-self: start;
}

.page-contact .pc-faq__list li {
  border-bottom: 1px solid var(--mist);
}

.page-contact .pc-faq__list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 17px 2px;
  text-decoration: none;
  color: var(--graphite);
  font-size: clamp(0.95rem, 0.92rem + 0.2vw, 1.05rem);
  line-height: 1.6;
  transition: color 0.2s var(--ease);
}

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

.page-contact .pc-faq__arrow {
  flex: none;
  color: var(--steel-soft);
  transition: transform 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .pc-faq__list a:hover .pc-faq__arrow {
  transform: translateX(6px);
  color: var(--orange);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-fields {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(18px, 3vw, 38px);
  }

  .page-contact .pc-loc__meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px 24px;
  }
}

@media (min-width: 760px) {
  .page-contact .pc-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .pc-step + .pc-step {
    margin-left: -1px;
  }
}

@media (min-width: 820px) {
  .page-contact .pc-coop {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .pc-head {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: clamp(24px, 4vw, 56px);
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-contact .pc-faq {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
  }

  .page-contact .pc-loc {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(26px, 3.4vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel-card,
  .page-contact .pc-step,
  .page-contact .pc-coop__item,
  .page-contact .pc-faq__arrow {
    transition: none;
  }

  .page-contact .pc-channel-card:hover,
  .page-contact .pc-step:hover,
  .page-contact .pc-coop__item:hover {
    transform: none;
  }
}